CN118405167B

CN118405167B - Train maintenance production line and maintenance method

Info

Publication number: CN118405167B
Application number: CN202410872362.3A
Authority: CN
Inventors: 张仕华; 林强波; 张磊; 周洋锋
Original assignee: Chengdu Crrc Track Equipment Co ltd
Current assignee: Chengdu Crrc Track Equipment Co ltd
Priority date: 2024-07-01
Filing date: 2024-07-01
Publication date: 2024-09-17
Anticipated expiration: 2044-07-01
Also published as: CN118405167A

Abstract

The invention provides a train overhaul production line and an overhaul method, belongs to the technical field of rail trains, and aims to solve the problem that a great deal of time is consumed in transferring train components among all working chambers because all working chambers are not subjected to targeted layout in the prior art; the device comprises a disassembly area and an assembly area, wherein one ends of the disassembly area and the assembly area are provided with a transfer platform, a transfer trolley is arranged on the transfer platform, and one end of the transfer trolley is provided with a cleaning chamber, a polishing chamber, a paint spraying chamber, a drying chamber and a wheel set coating chamber; the transfer platform is provided with a first rail, the transfer trolley is in sliding connection with the first rail, and the transfer trolley is provided with a second rail perpendicular to the first rail; according to the invention, the disassembly area and the assembly area are arranged on one side, the cleaning chamber, the polishing chamber, the paint spraying chamber, the drying chamber and the wheel set coating chamber are arranged on the other side according to the maintenance sequence, and meanwhile, the middle part is transported by arranging the transfer trolley, so that the whole layout is compact, and the space in the length direction of a workshop can be saved.

Description

Train maintenance production line and maintenance method

Technical Field

The invention belongs to the technical field of rail trains, and particularly relates to a train overhaul production line and an overhaul method.

Background

In recent years, with the rapid development of urban rail transit, the problem of urban traffic jam is greatly improved. In the whole life cycle of the subway, the subway needs to be regularly maintained and overhauled so as to ensure the normal operation of all parts and equipment of the vehicle and realize the clean operation of the vehicle.

After the train is disassembled, the main frame and the equipment parts of the train are required to be overhauled according to the processes of cleaning, polishing, painting and drying so as to overhaul the wheel set according to the processes of cleaning, paint removing, flaw detection, cleaning and painting;

At present, each overhaul working room is not subjected to targeted layout, and the transfer of train components between each working room often takes a lot of time.

Disclosure of Invention

In view of the above, the invention provides a train overhaul production line and an overhaul method, which are used for solving the problem that the conventional overhaul working chambers are not subjected to targeted layout, and a great deal of time is consumed in transferring train components among the working chambers.

The technical scheme adopted by the invention is as follows:

The train overhaul production line comprises a disassembly area and an assembly area which are arranged side by side, wherein one ends of the disassembly area and the assembly area are provided with a transfer platform, a transfer trolley is arranged on the transfer platform, and one end of the transfer trolley, which is far away from the disassembly area, is provided with a cleaning chamber, a polishing chamber, a paint spraying chamber, a drying chamber and a wheel set coating chamber side by side in sequence;

The transfer platform is provided with a first track, the first track is arranged along the length direction of the transfer platform, the transfer trolley is in sliding connection with the first track, and the transfer trolley is provided with a second track perpendicular to the first track.

In the technical scheme, two groups of the disassembly area and the assembly area can be used for simultaneously disassembling or assembling two trains, the disassembly area or the assembly area is provided with side rails parallel to the second rail for transferring the trains or train parts, and the transfer trolley is driven by a motor and can slide on the first rail so as to butt-joint the second rail on the transfer trolley with the rails at other positions; in the scheme, after the train is disassembled in the train disassembly area, a second track on the transfer trolley is in butt joint with the track of the disassembly area through movement of the transfer trolley, then the train or other parts are pulled onto the transfer trolley through a tractor, the transfer trolley moves on the first track so as to be in butt joint with a cleaning chamber, then the train or the parts thereof are pulled into the cleaning chamber through the tractor for cleaning, and after the cleaning is completed, the train or the parts thereof are sent to a polishing chamber through the trolley for polishing; then sequentially conveying the polished train main frame into a paint spraying room and a drying room through a trolley to spray paint and dry; the wheel set after paint removal and flaw detection is sent into a wheel set coating room through a trolley to be sprayed with paint and dried; and finally, conveying the dried train main frame and wheel sets to an assembling area on the opposite side for assembling through the trolley. In summary, the disassembly area and the assembly area are arranged on one side, the cleaning room, the polishing room, the paint spray room, the drying room and the wheel set coating room are arranged on the other side according to the maintenance sequence, meanwhile, the middle part is transported by arranging the transfer trolley, the whole layout is compact, the space in the length direction of the workshop can be saved, and secondly, the layout enables the train and train components to be cleaned, polished, coated, painted, dried and assembled in sequence.

Preferably, a first anti-slip pad is paved on the ground of the cleaning chamber, and the first anti-slip pad is grid-shaped; the ground of the cleaning chamber is provided with a water guide groove, the water guide groove is arranged along the length direction of the cleaning chamber, and the ground at two sides of the water guide groove is obliquely arranged towards the direction of the water guide groove; mounting tables are arranged on two sides of the bottom of the water guide groove, the mounting tables are arranged along the length direction of the water guide groove, and a third track matched with a train is arranged on the water guide groove; the water guide groove is internally provided with a grid-shaped second anti-slip pad, and two sides of the second anti-slip pad are respectively lapped at the tops of the two mounting tables.

In the technical scheme, the first anti-skid pad is in a grid shape, so that the ground grabbing capacity of the feet of a worker can be further improved, slipping is not easy to occur, the first anti-skid pad is formed by splicing a plurality of sub anti-skid pads, the production of factories is convenient, the transportation, the disassembly and the assembly are convenient, the water guide groove is used for guiding used water out of the cleaning chamber, and the water is more convenient to flow into the water guide groove through the gravity action by inclining the ground; the train enters the cleaning room through the third track; the second anti-slip pad is also used for preventing a worker from slipping when walking, and secondly, the second anti-slip pad also has a filtering effect, so that train equipment parts or larger slag can be prevented from falling into the water guide groove; an opening and closing door is arranged at one end of the cleaning room, the opening and closing door is a lifting type electric opening and closing door, and a face recognition system or a coded lock system is arranged at the outer side of the cleaning room, so that only designated staff can open the opening and closing door through the face recognition system or the coded lock system; an inclined ladder is arranged on the outer side of the cleaning chamber, and a worker can climb to the top of the cleaning chamber through the inclined ladder to repair some equipment parts; a high-pressure cleaning machine is arranged in the cleaning chamber, the high-pressure cleaning machine has a spraying function, and workers can spray and clean different positions of the train by moving the high-pressure cleaning machine; in this scheme, the material of first slipmat is made by anti-skidding material, and the staff of being convenient for walks on wet smooth ground, prevents that the staff from skidding and taking place to slip and fall the injury accident.

Preferably, a third grid-shaped anti-slip pad is arranged in the middle of the water guide groove, and two sides of the third anti-slip pad are respectively lapped on two sides of the top of the water guide groove.

In this technical scheme, it is to be noted that, when the train washs, need wash its both sides, so be convenient for the staff through the third slipmat that sets up shift the opposite side of train with high pressure cleaner, secondly, the third slipmat is divided into two parts around with the guiding gutter, and two parts can place a train respectively around promptly, and the staff of being convenient for washs two trains simultaneously. And a cat ladder is also arranged in the cleaning chamber. The ladder stand is positioned on one side of the water guide groove, and a worker climbs to the top of the train through the ladder stand so as to clean the top of the train;

Preferably, the cleaning chamber is internally provided with a dust removing device, the dust removing device comprises a transverse ventilating pipe and a vertical ventilating pipe, the transverse ventilating pipe is arranged on one side of the width direction of the cleaning chamber, one end of the transverse ventilating pipe is communicated with an air inlet of a fan arranged outside the cleaning chamber, the number of the vertical ventilating pipes is multiple, the tops of the vertical ventilating pipes are respectively communicated with the transverse ventilating pipe, and a first filter screen is arranged at the opening of the bottom of the vertical ventilating pipe. A plurality of illuminating lamps are arranged in the cleaning chamber.

In the technical scheme, when or after the train is cleaned, dust exists in the cleaning chamber, the dust in the cleaning chamber is removed through the arranged dust removing device, and the dust collecting range of the dust removing device can be fully covered with the cleaning chamber as far as possible through the arranged transverse ventilation pipe and the vertical ventilation pipe, so that the dust removing effect is better; the larger objects can be blocked through the arranged first filter screen. The illuminating lamp is used for illuminating the visual field, so that the cleaning work of workers is facilitated.

Preferably, a fourth track matched with the train is arranged in the polishing chamber, and the fourth track is arranged along the length direction of the polishing chamber; the pedal and the lifting device for lifting the pedal are respectively arranged on two sides of the fourth track, and the pedal is arranged along the length direction of the polishing chamber.

In the technical scheme, the lifting device can be any one of lifting structures such as cylinder lifting, screw lifting, gear rack lifting and the like, the length of the pedal is greater than or equal to that of a single train, and the pedal is made of steel and has stronger bearing capacity; in the scheme, after a train enters a polishing chamber, the position of the train is positioned between the left pedal and the right pedal, a worker can stand on the pedals to polish the train by using a polishing tool, and the worker polishes different positions of the train in the length direction by moving on the pedals, and drives the pedals to lift by the aid of the lifting device, so that the worker polishes different positions of the train in the height direction conveniently; namely, the utility model discloses only need adjust the height of footboard through elevating gear, just can polish the different positions of train, easy and simple to handle has shortened working length.

Preferably, the lifting device comprises a stand column and a screw rod, the stand column is positioned at one side of the fourth track, a through groove which is vertically arranged is penetrated through the stand column, a sliding seat is embedded in the through groove in a sliding manner, and one end of the sliding seat extends out of the through groove and is connected with the pedal; the two ends of the screw rod are rotationally connected with the two ends of the through groove, and the screw rod is in threaded connection with the sliding seat; the top of the upright post is provided with a motor for driving the screw rod to rotate; two openings of the through groove are provided with dustproof curtains, two ends of the dustproof curtains are fixedly connected with two ends of the through groove, the side wall of the dustproof curtains is connected with the sliding seat, and the dustproof curtains are telescopic.

In this technical scheme, it is to be noted that, the stand bottom passes through the bolt fastening subaerial, and the both ends of screw rod pass through the bearing and are rotated with the both ends of logical groove and are connected, in this scheme, because slide and screw rod threaded connection, consequently, when the screw rod rotates, can drive the axial lift of slide along the screw rod, and then reaches the purpose of lift footboard. An output shaft of the motor is fixedly connected with the top of the screw rod, and the slide seat is driven to ascend or descend by controlling the forward rotation or the reverse rotation of the motor; it is further to be noted that, because when the train polishes, can produce a large amount of iron fillings, the iron fillings can enter into logical inslot and pile up, are inconvenient for the staff to manage, based on this, this scheme is equipped with dustproof curtain in the both sides opening part that leads to the groove, and dustproof curtain can be along with the rising or decline of slide and flexible (its function realization only needs dustproof curtain's length far more than the length of leading to the groove can), and then it still can not interfere with the slide when reaching dirt-proof function.

Preferably, one side of stand is equipped with the cat ladder, the vertical setting of cat ladder, the both ends of footboard and one side that is close to elevating gear all are equipped with the rail, be equipped with a plurality of strengthening ribs that connect gradually each other of footboard, be equipped with the light in the room of polishing, the both ends of room of polishing are equipped with the lift gate respectively.

In this technical scheme, what needs to be explained is, the staff overhauls the motor at stand top through climbing cat ladder, can prevent that the staff from dropping from the footboard through the rail that sets up, can strengthen the rigidity of footboard through the strengthening rib that sets up, is convenient for the staff work of polishing through the light that sets up.

Preferably, the inside both sides of paint spray booth are equipped with the rail respectively, the rail sets up along the length direction of paint spray booth, sliding connection has rather than vertically erects the rail on the rail, it removes seat and elevating gear to erect to be equipped with on the rail, remove seat and erects rail sliding connection, elevating gear is used for going up and down to remove the seat, it is equipped with telescoping device to remove on the seat, telescoping device can follow the width direction of paint spray booth and stretch out and draw back, the tip of telescoping device is equipped with the plummer.

It should be noted that, erect the rail and pass through drive arrangement drive, in order to be in the rail is gone up and is removed, drive arrangement can be for walking structures such as rack and pinion structure, pulley slide rail structure, lead screw structure, it all drives through the motor, be equipped with a plurality of control button on the plummer, staff's accessible presses the start and closing of button with control telescoping device, elevating gear and drive arrangement, be convenient for staff nimble operation, in this scheme, plummer through setting up is used for bearing staff, be used for driving the staff on the plummer through the telescoping device of setting and be close to or keep away from the train, the elevating gear through setting up is used for driving the staff on the plummer and moves in the direction of height of workshop, in order to spray paint to the position of different altitude on the train, and because erect the rail and slide on the rail, therefore, it also can drive the staff and remove in the length direction of train, and then spray paint to the different position on the train, promptly through above-mentioned device, staff need not climb the cat ladder or walk just can spray paint to the different position on the train.

Preferably, the vertical rail is provided with a through groove in a penetrating manner, the through groove is arranged along the height direction of the vertical rail, and the movable seat is embedded in the through groove in a sliding manner; the lifting device comprises a screw rod, two ends of the screw rod are rotatably connected with two ends of the penetrating groove, the screw rod is in threaded connection with the movable seat, and the screw rod is driven by a motor.

In the technical scheme, the lifting device is specifically a screw rod type lifting structure, and the screw rod is driven to rotate through the motor, so that the movable seat in threaded connection with the screw rod is driven to ascend or descend.

Preferably, a heating chamber is arranged at the top of the paint spray booth, a fan is arranged at the top of the heating chamber, the air outlet end of the fan is communicated with the heating chamber, an opening communicated with the interior of the paint spray booth is arranged at the bottom of the heating chamber, and filter cotton is arranged at the opening; the paint spraying room is characterized in that a ventilation groove is formed in the bottom of the paint spraying room, a second filter screen is arranged at the top of the ventilation groove, and a ventilation pipe communicated with the outside of the paint spraying room is arranged on the ventilation groove. The outside of the paint spray booth is provided with an air purifier, and the ventilation pipe is communicated with the air purifier.

In this technical scheme, it is to be noted that, after the train paint spraying is accomplished, still need to shift it to the stoving room and carry out the stoving operation, if there is the train in the coating room now stoving between, then the train in the coating room then need wait in situ, waste time, based on this, this scheme sets up drying device in the paint spraying room, just can directly dry after the train paint spraying is accomplished, and the concrete principle is: the external air source is filtered by the fan and then blown into the heating chamber for heating, the heated air enters the paint spray booth for drying the train after being filtered by the filter cotton, the air purifier can purify the discharged polluted air and then discharge the purified polluted air into the atmosphere through the ventilation groove and the ventilation pipe.

Preferably, the telescopic device is a scissor lift, and the scissor lift is arranged along the width direction of the paint spray booth.

In this technical scheme, it is to be noted that, cut fork lift for prior art, it is hydraulic pressure type and cut fork lift, cut fork lift horizontal setting in this scheme can drive the staff and press close to the train.

Preferably, a seventh track is arranged in the middle of the paint spray booth.

In the technical scheme, the train can conveniently enter and exit the paint spray booth through the seventh track.

Preferably, a guard rail is arranged at the top of the bearing table, and the guard rail is arranged along the circumferential direction of the bearing table.

In this technical scheme, it should be noted that the guard rail is used for protecting staff.

Preferably, one end of the paint spray booth is provided with a lifting door.

In this technical scheme, it should be noted that the lifting door is an electric lifting door.

Preferably, two fifth rails are arranged in the wheel set coating room along the length direction of the wheel set coating room, and a wheel set temporary storage area, a wheel set paint spraying room, a wheel set drying room and a wheel set placing area are sequentially arranged in the wheel set coating room from inside to outside;

the wheel set paint spraying room is characterized in that openings are formed in two fifth tracks in the wheel set paint spraying room in a penetrating mode, and the openings are formed in the positions of the openings:

the wheel set positioning device is used for positioning the wheel set in the paint spraying room;

Wheel pair rotating means for rotating the wheel pair on the positioning means about its axis;

the wheel pair ejection device is used for enabling the driving wheel pair to leave the positioning device towards the drying room.

In the technical scheme, a paint spraying robot is arranged at the upper part of a paint spraying room, and paint is sprayed on a wheel set through the paint spraying robot; in this scheme, when needs are to paint to the wheel pair, transport the wheel pair from wheel pair temporary storage area to in the room of painting, and make two tread of wheel pair respectively be located two openings of fifth track, at this moment, carry out spacingly to the wheel pair through wheel pair positioner, the top surface of the wheel pair of robot of painting this moment, after the completion of painting, give the thrust that the wheel pair was towards the stoving room through wheel pair ejection device, make the wheel pair be carried to the stoving and carry out the stoving operation in the stoving room, after the stoving is accomplished, pull the wheel pair again to the opening part in the room of painting from the stoving room through draw gear, rotate around its axis through wheel pair rotary device drive wheel pair, until the bottom surface that the wheel pair did not paint is rotated to the below of painting robot painting mouth, afterwards, paint robot of painting again sprays paint, send to the stoving room again after the completion of painting, finally send the wheel pair to place the district and deposit.

Preferably, the ground in the paint spraying room is provided with a mounting groove, a bottom plate is arranged in the mounting groove, the bottom plate is perpendicular to the fifth track, the top of the bottom plate is provided with two mounting seats, and the two mounting seats are respectively positioned below the two openings; the wheel pair rotating device comprises a friction wheel arranged at the top of the mounting seat, the friction wheel is rotationally connected with the mounting seat and driven by a motor, and the friction wheel is positioned at the opening and is in friction fit with the wheel pair; the mounting seat is also provided with a sixth track, the length of the sixth track is equal to that of the opening, the sixth track is positioned at one side of the opening, and the friction wheel is rotationally connected with the sixth track; the bottom plate is provided with a moving device for driving the two mounting seats to approach or depart from each other.

In the technical scheme, two friction wheels are arranged at the top of the mounting seat, after the wheel pair is positioned at the opening, the wheel pair positioning device is used for positioning the friction wheels, the tread and the rim of the wheel pair are in contact with the friction wheels, when the wheel pair is required to rotate, the friction wheels are driven to rotate through a motor, and the wheel pair can be driven to rotate after the friction wheels rotate, and further, the application needs to emphasize that the opening is required to provide the mounting space of the wheel pair positioning device, the wheel pair rotating device and the wheel pair ejection device, so that the fifth track is disconnected due to the arrangement of the opening, the paint spraying room can only spray paint on the wheel pair, and other equipment or trains can not run on the fifth track, the paint spray booth is low in adaptability, based on the paint spray booth is provided with the sixth track, the sixth track is used for supplementing the opening on the fifth track, so that the fifth track and the sixth track are combined to form a complete track, the paint spray booth is suitable for transportation of any equipment, namely when a wheel set is required to be painted, the two mounting seats are driven to move through the moving device, so that the friction wheel is moved to the position of the opening, when other equipment is required to be painted, the mounting seats are driven to move again through the moving device, so that the sixth track is moved to the opening, and the sixth track and the fifth track are combined to form a complete track, so that the paint spray booth is suitable for transportation of other track equipment, and is high in applicability. The moving device can be any structure with moving functions, such as a hydraulic cylinder structure, a gear rack structure, a screw rod structure and the like.

Preferably, the wheel set positioning device comprises a positioning column and a positioning rod, wherein the positioning column is positioned at one side of the opening close to the drying room, and the positioning column is transversely arranged and the top of the positioning column is higher than the top of the fifth track; one end of the positioning rod is connected with the positioning column, and the other end of the positioning rod is connected with the mounting seat.

In the technical proposal, the positioning column is used for blocking the wheel pair from moving in the direction between the drying rooms, and the height difference between the positioning column and the fifth track is smaller, so the positioning column has the function of blocking the wheel pair, but when the wheel pair catapulting device pushes the wheel pair to move, the positioning column does not influence the movement of the wheel pair,

Preferably, the wheel set ejection device comprises a deflector rod and a rotating rod, the deflector rod is positioned on one side of the opening, which is far away from the drying room, the deflector rod is transversely arranged, one end of the rotating rod is connected with the deflector rod, a pin roll which is rotationally connected with the mounting seat is arranged on the side wall of the rotating rod, and the rotating rod is driven to rotate through the rotating device.

In this technical scheme, it is to be noted that, before the wheel pair is transported to the wheel pair paint spraying room from wheel pair temporary storage, the driving lever is located track top below, and the driving lever can not form the hindrance to the transportation of wheel pair promptly, and when needs are released the wheel pair from the opening part, then rotary device drive rotary rod is rotatory for the driving lever acts on the tread of wheel pair, and release the wheel pair, wherein rotary device can be the cylinder, and the one end and the mount pad of cylinder are articulated, and the output and the rotary rod bottom of cylinder are articulated.

Step 1: the train is disassembled in a train disassembly area, and the disassembled train mainly comprises a train main frame and wheel pairs;

Step 2: the train main frame is sequentially sent to a cleaning chamber and a polishing chamber through a transfer trolley to be cleaned and polished, and the wheel set is sent to the cleaning chamber to be cleaned and then subjected to paint removal and flaw detection;

Step 3: sequentially conveying the polished train main frame into a paint spraying room and a drying room through a transfer trolley to spray paint and dry;

The wheel set is sent into a wheel set coating room through a trolley to be sprayed with paint and dried;

step 4: the dried train main frame and wheel sets are sent to an assembling area on the opposite side for assembling through a transfer trolley;

In step 3, if the train main frame exists in the drying chamber and is subjected to drying operation, the train main frame positioned in the paint spraying chamber is subjected to drying in the paint spraying chamber after paint spraying is finished.

In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:

1. According to the invention, the disassembly area and the assembly area are arranged on one side, the cleaning chamber, the polishing chamber, the paint spray chamber, the drying chamber and the wheel set coating chamber are arranged on the other side according to the maintenance sequence, meanwhile, the middle part is transported by arranging the transfer trolley, the whole layout is compact, the space in the length direction of the workshop can be saved, and secondly, the layout enables a train and train components to be cleaned, polished, coated, painted, dried and assembled in sequence in a standardized manner;

2. according to the invention, the wheel set positioning device is arranged in the wheel set coating room, so that the wheel set can be positioned, the wheel set can be driven to rotate through the arranged wheel set rotating device, the paint spraying robot can paint the wheel set in an omnibearing manner, and the wheel set can be driven to move to the drying room through the arranged wheel set ejection device;

3. According to the invention, the sixth track is arranged and used for supplementing the opening on the fifth track, so that the fifth track and the sixth track are combined to form a complete track, the device is suitable for transportation of any equipment, namely when a wheel set is required to be painted, the two mounting seats are driven to move by the moving device, so that the friction wheel is moved to the position of the opening, and when other equipment is required to be painted, the mounting seats are driven to move again by the moving device, so that the sixth track is moved to the position of the opening, and the sixth track and the fifth track are combined to form a complete track, so that the device is suitable for transportation of other track equipment, and has strong applicability;

4. In the invention, the drying device is arranged in the paint spraying chamber, and the paint can be directly dried after the paint spraying of the train is finished without waiting in a queue.

Drawings

The invention will now be described by way of example and with reference to the accompanying drawings in which:

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic perspective view of a cleaning chamber of the present invention;

FIG. 3 is a schematic perspective view of a cleaning chamber of the present invention after cutting;

FIG. 4 is a schematic front perspective view of FIG. 3;

FIG. 5 is a schematic top perspective view of FIG. 3;

Fig. 6 is a schematic perspective view of a dust removing device of the present invention;

FIG. 7 is a schematic perspective view of a sub cleat according to the present invention;

FIG. 8 is a schematic perspective view of a sharpening chamber of the present invention;

FIG. 9 is a schematic perspective view of the pedal and lifting device of the present invention;

FIG. 10 is a rear perspective view of the schematic of FIG. 9;

FIG. 11 is a schematic perspective view of one of the posts without a dust curtain;

Fig. 12 is a schematic perspective view of a paint booth according to the present invention;

FIG. 13 is a schematic top view of a paint booth;

FIG. 14 is a schematic perspective view of a booth after cutting and without a second filter;

FIG. 15 is a schematic view of the cross rail of the present invention after cutting;

FIG. 16 is a schematic view of the structure of the wheel set paint booth of the present invention;

FIG. 17 is a schematic top view of the wheel set painting booth of the present invention after cutting;

FIG. 18 is a schematic view of the fifth track, wheel pair rotating device, wheel pair positioning device, wheel pair ejection device and wheel pair of the present invention;

FIG. 19 is a side elevational schematic view of the structure of FIG. 18;

FIG. 20 is a schematic perspective view of the wheelset of FIG. 19;

FIG. 21 is a schematic view of the structure of the fifth track;

Wherein: 1-dismantling zone, 2-assembling zone, 6-drying chamber, 7-wheel set coating chamber, 8-transfer trolley, 9-transfer platform, 10-second rail, 11-first rail, 1001-blower, 12-cleaning chamber, 13-ramp, 14-ascending platform, 15-high-pressure cleaner, 16-dust collector, 17-transverse ventilation pipe, 18-vertical ventilation pipe, 19-first filter screen, 20-first anti-slip pad, 21-water guiding tank, 22-mounting table, 23-third rail, 24-second anti-slip pad, 25-third anti-slip pad, 26-polishing chamber, 27-fourth rail, 28-pedal, 29-reinforcing rib, 30-rail, 38-column, 31-dustproof curtain, 32-climbing ladder, 40-slide, 42-screw, 43-through slot, 44-spray booth, 45-heating chamber, 46-seventh rail, 47-second filter screen, 141-ventilation slot, 142-ventilation tube, 48-filter cotton, 49-transverse rail, 50-vertical rail, 51-screw, 52-movable seat, 53-telescopic device, 54-bearing table, 55-through slot, 56-rail, 71-wheel set, 72-fifth rail, 73-spray booth, 74-drying booth, 75-spray painting robot, 76-mounting slot, 77-opening, 78-positioning bar, 79-positioning column, 80-rotary bar, 81-pin shaft, 82-deflector rod, 83-mounting seat, 84-floor, 86-friction wheel, 87-sixth track, 88-moving device, 99-sub non-slip pad.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Example 1.

As shown in fig. 1, the embodiment of the invention discloses a train overhaul production line, which comprises a disassembly area 1 and an assembly area 2 which are arranged side by side, wherein one ends of the disassembly area 1 and the assembly area 2 are provided with a transfer platform 9, the transfer platform 9 is provided with a transfer trolley 8, and one end of the transfer trolley 8 far away from the disassembly area 1 is provided with a cleaning chamber 12, a polishing chamber 26, a paint spray chamber 44, a drying chamber 6 and a wheel set coating chamber 7 side by side in sequence; the transfer platform 9 is provided with a first track 11, the first track 11 is arranged along the length direction of the transfer platform 9, the transfer trolley 8 is in sliding connection with the first track 11, and the transfer trolley 8 is provided with a second track 10 perpendicular to the first track 11. Two sets of the disassembly area 1 and the assembly area 2 can disassemble or assemble two trains at the same time, the disassembly area 1 or the assembly area 2 is provided with side rails parallel to the second rail 10 for transferring the trains or train parts, and the transfer trolley 8 can slide on the first rail 11 by driving the motor so as to butt joint the second rail 10 on the transfer trolley 8 with the rails at other positions; in the scheme, after the train is disassembled in the train disassembly area 1, a second track 10 on the transfer trolley 8 is in butt joint with the track of the disassembly area 1 through the movement of the transfer trolley 8, then the train or other parts are pulled onto the transfer trolley 8 through a tractor, the transfer trolley 8 moves on a first track 11 so as to be in butt joint with a cleaning chamber 12, then the train or the parts thereof are pulled into the cleaning chamber 12 through the tractor for cleaning, and after the cleaning is completed, the train or the parts thereof are sent to a polishing chamber 26 through the trolley for polishing; then the polished train main frame is sequentially sent into a paint spraying chamber 44 and a drying chamber 6 through a trolley for paint spraying and drying; the wheel set 71 after paint removal and flaw detection is sent into a wheel set coating room 7 through a trolley to be painted and dried; finally, the dried train main frame and wheel set 71 are sent to the opposite assembly area 2 for assembly through the trolley. In summary, the disassembly area 1 and the assembly area 2 are arranged on one side, the cleaning room 12, the polishing room 26, the paint spray room 44, the drying room 6 and the wheel set paint room 7 are arranged on the other side according to the maintenance sequence, meanwhile, the middle part is transported by arranging the transfer trolley 8, the whole layout is compact, the space in the length direction of a workshop can be saved, and secondly, the layout enables a train and train components to be cleaned, polished, painted, dried and assembled in sequence in a normalized mode.

Example 2.

As shown in fig. 2 to 7, the present embodiment is substantially the same as the above embodiment, except that a first anti-slip pad 20 is laid on the floor of the cleaning chamber 12, and the first anti-slip pad 20 is in a grid shape; the floor of the cleaning chamber 12 is provided with a water guide groove 21, the water guide groove 21 is arranged along the length direction of the cleaning chamber 12, and the floor at two sides of the water guide groove 21 is obliquely arranged towards the direction of the water guide groove 21; mounting tables 22 are arranged on two sides of the bottom of the water guide groove 21, the mounting tables 22 are arranged along the length direction of the water guide groove 21, and a third rail 23 matched with a train is arranged on the water guide groove 21; the water guide groove 21 is internally provided with a grid-shaped second anti-slip pad 24, and two sides of the second anti-slip pad 24 are respectively lapped on the tops of the two mounting tables 22. It should be noted that, because the first anti-slip pad 20 is in a grid shape, the ground grabbing capability of the feet of the staff can be further increased, slipping is not easy to occur, and secondly, the first anti-slip pad 20 is formed by splicing a plurality of sub anti-slip pads 99, which is convenient for the factories to produce respectively, and is convenient for transportation, disassembly and assembly, the water guiding tank 21 is used for guiding the used water out of the cleaning chamber 12, and the water is more convenient for flowing to the water guiding tank 21 by the gravity action through the inclined arrangement of the ground; the train is driven into the cleaning room 12 through the third track; the second anti-slip pad 24 is also used for preventing the sliding of the staff during walking, and secondly, the second anti-slip pad 24 also has a filtering effect, so that train equipment parts or larger slag can be prevented from falling into the water guide groove 21; an opening and closing door is arranged at one end of the cleaning room 12, the opening and closing door is a lifting type electric opening and closing door, and a face recognition system or a coded lock system is arranged at the outer side of the cleaning room 12, so that only a designated worker can open the opening and closing door through the face recognition system or the coded lock system; an inclined ladder 13 is arranged on the outer side of the cleaning chamber 12, and a worker can climb to the top of the cleaning chamber 12 through the inclined ladder 13 to repair some equipment parts; a high-pressure cleaning machine 15 is arranged in the cleaning chamber 12, the high-pressure cleaning machine 15 has a spraying function, and workers can spray and clean different positions of a train by moving the high-pressure cleaning machine 15; in this scheme, the material of first slipmat 20 is made by anti-skidding material, and the staff of being convenient for walks on wet smooth ground, prevents that the staff from skidding and taking place to slip and fall the injury accident.

In this embodiment, as shown in fig. 3 to 4, a third non-slip mat 25 is disposed in the middle of the water guiding groove 21, and two sides of the third non-slip mat 25 are respectively overlapped with two sides of the top of the water guiding groove 21. It should be noted that, when the train is cleaned, the two sides of the train need to be cleaned, so that the third anti-slip pad 25 is convenient for a worker to transfer the high-pressure cleaner 15 to the other side of the train, and secondly, the third anti-slip pad 25 divides the water guiding groove 21 into a front part and a rear part, namely, the front part and the rear part can be respectively used for placing one train, so that the worker can conveniently clean the two trains simultaneously. A ladder 32 is also provided in the cleaning chamber 12. The crawling ladder 32 is positioned on one side of the water guide groove 21, and a worker climbs to the top of the train through the crawling ladder 32 so as to clean the top of the train;

As shown in fig. 2-6, in this embodiment, a dust removing device 16 is disposed in the cleaning chamber 12, the dust removing device 16 includes a transverse ventilation pipe 17 and a vertical ventilation pipe 18, the transverse ventilation pipe 17 is disposed on one side of the cleaning chamber 12 in the width direction, one end of the transverse ventilation pipe 17 is communicated with an air inlet of a fan disposed outside the cleaning chamber 12, the plurality of vertical ventilation pipes 18 are disposed, the top of the plurality of vertical ventilation pipes 18 are respectively communicated with the transverse ventilation pipe 17, and a first filter screen 19 is disposed at an opening 77 at the bottom of the vertical ventilation pipe 18. A plurality of illumination lamps are arranged in the cleaning chamber 12. During or after train cleaning, dust is generated in the cleaning chamber 12, the dust in the cleaning chamber 12 is removed through the dust removing device 16, and the dust removing device 16 can fully cover the cleaning chamber 12 as much as possible through the transverse ventilating pipe 17 and the vertical ventilating pipe 18, so that the dust removing effect is better; larger objects can be blocked by the first filter 19. The illuminating lamp is used for illuminating the visual field, so that the cleaning work of workers is facilitated.

Example 3.

As shown in fig. 8-11, this embodiment is substantially the same as the above embodiment, except that a fourth rail 27 matched with a train is provided in the polishing chamber 26, and the fourth rail 27 is disposed along the length direction of the polishing chamber 26; the fourth rail 27 is provided with a pedal 28 and a lifting device for lifting the pedal 28 on both sides thereof, and the pedal 28 is disposed along the length direction of the grinding chamber 26. It should be noted that the lifting device may be any lifting structure such as a cylinder lifting structure, a screw lifting structure, a gear rack lifting structure, etc., the length of the pedal 28 is greater than or equal to the length of a single train, and the pedal 28 is made of steel material and has a relatively strong bearing capacity; in the scheme, after a train enters the polishing chamber 26, the position of the train is positioned between the left pedal 28 and the right pedal 28, a worker can stand on the pedals 28 to polish the train by using polishing tools, and the worker polishes different positions in the length direction of the train by moving on the pedals 28, and drives the pedals 28 to lift by the aid of the lifting device, so that the worker polishes different positions in the height direction of the train; that is, the utility model discloses only need adjust the height of footboard 28 through elevating gear, just can polish the different positions of train, easy and simple to handle has shortened the working length.

As shown in fig. 9-11 and 21, in this embodiment, the lifting device includes a stand column 38 and a screw 42, where the stand column 38 is located at one side of the fourth rail 27, a vertically arranged through slot 43 is penetrated on the stand column 38, a sliding seat 40 is embedded in the through slot 43 in a sliding manner, and one end of the sliding seat 40 extends out of the through slot 43 and is connected with the pedal 28; two ends of the screw rod 42 are rotatably connected with two ends of the through groove 43, and the screw rod 42 is in threaded connection with the sliding seat 40; the top of the upright post 38 is provided with a motor for driving the screw rod 42 to rotate; the two openings 77 of the through groove 43 are provided with the dustproof curtain 31, two ends of the dustproof curtain 31 are fixedly connected with two ends of the through groove 43, the side wall of the dustproof curtain 31 is connected with the sliding seat 40, and the dustproof curtain 31 is telescopic. It should be noted that, the bottom of the upright post 38 is fixed on the ground by a bolt, and two ends of the screw rod 42 are rotatably connected with two ends of the through groove 43 by bearings, in this embodiment, because the slide seat 40 is in threaded connection with the screw rod 42, when the screw rod 42 rotates, the slide seat 40 is driven to lift along the axial direction of the screw rod 42, so as to achieve the purpose of lifting the pedal 28. An output shaft of the motor is fixedly connected with the top of the screw rod 42, and the slide seat 40 is driven to ascend or descend by controlling the forward rotation or the reverse rotation of the motor; it should be further noted that, because when the train polishes, can produce a large amount of iron fillings, the iron fillings can enter into and pile up in the logical groove 43, are inconvenient for the staff to manage, based on this, this scheme is equipped with dustproof curtain 31 in the both sides opening 77 department of logical groove 43, and dustproof curtain 31 can follow the rising or decline of slide 40 and flexible (its function realization only needs dustproof curtain 31's length be greater than the length of logical groove 43 far away can), and then it still can not take place to interfere with between the slide 40 when reaching dustproof function.

As shown in fig. 9-11, in this embodiment, a ladder stand 32 is disposed on one side of the upright 38, the ladder stand 32 is vertically disposed, two ends of the pedal 28 and one side close to the lifting device are both provided with rails 30, the pedal 28 is provided with a plurality of reinforcing ribs 29 that are sequentially connected with each other, an illumination lamp is disposed in the polishing chamber 26, and two ends of the polishing chamber 26 are respectively provided with lifting doors. It should be noted that, the staff overhauls the motor at stand 38 top through climbing cat ladder 32, can prevent through rail 30 that sets up that the staff from dropping from footboard 28, can strengthen the rigidity of footboard 28 through the strengthening rib 29 that sets up, is convenient for the staff to polish work through the light that sets up.

The principle of this embodiment is:

When the train needs to be polished, the lifting door is opened, the train enters the polishing chamber 26 through the track, the position of the train is located between the left pedal 28 and the right pedal 28, a worker can stand on the pedals 28 to polish the train by using polishing tools, and the worker polishes different positions in the length direction of the train by moving on the pedals 28;

When the polishing is required to be performed on different positions in the height direction of the train, the motor is started, and the motor drives the screw rod 42 to rotate, so that the slide seat 40 and the pedal 28 connected with the slide seat 40 are driven to ascend or descend, and the worker is conveyed to the designated height of the train for polishing.

Example 4.

As shown in fig. 12-15, in this embodiment, the two sides of the interior of the paint spray booth 44 are respectively provided with a transverse rail 49, the transverse rail 49 is disposed along the length direction of the paint spray booth 44, a vertical rail 50 perpendicular to the transverse rail 49 is slidably connected to the transverse rail 49, the vertical rail 50 is provided with a moving seat 52 and a lifting device, the moving seat 52 is slidably connected to the vertical rail 50, the lifting device is used for lifting the moving seat 52, the moving seat 52 is provided with a telescopic device 53, the telescopic device 53 can be telescopic along the width direction of the paint spray booth 44, and the end of the telescopic device 53 is provided with a bearing table 54. The vertical rail 50 is driven by a driving device to move on the transverse rail 49, the driving device can be a walking structure such as a gear rack structure, a pulley sliding rail structure, a screw rod structure and the like, and is driven by a motor, a plurality of control buttons are arranged on a bearing table 54, and a worker can press the buttons to control the starting and closing of a telescopic device 53, a lifting device and the driving device, so that the worker can flexibly operate, in the scheme, the bearing table 54 is used for bearing the worker, the worker on the bearing table 54 is driven to approach or depart from a train by the telescopic device 53, the lifting device is used for driving the staff on the bearing table 54 to move in the height direction of the workshop so as to paint the positions of different height directions on the train, and the vertical rail 50 can slide on the transverse rail 49, so that the lifting device can also drive the staff to move in the length direction of the train, and further paint the different positions of the train in the length direction, namely, through the device, the staff can paint the different positions on the train without climbing the cat ladder 32 or walking, and the operation is convenient.

As shown in fig. 15, in this embodiment, the vertical rail 50 is provided with a through groove 55, the through groove 55 is disposed along the height direction of the vertical rail 50, and the movable seat 52 is slidably embedded in the through groove 55; the lifting device comprises a screw rod 51, two ends of the screw rod 51 are rotatably connected with two ends of a through groove 55, the screw rod 51 is in threaded connection with a movable seat 52, and the screw rod 51 is driven by a motor. The lifting device is specifically a screw rod type lifting structure, and drives the screw rod 51 to rotate by a motor, so as to drive the movable seat 52 in threaded connection with the screw rod 51 to ascend or descend.

As shown in fig. 12-14, in this embodiment, a heating chamber 45 is disposed at the top of the paint spray booth 44, a fan 1001 is disposed at the top of the heating chamber 45, an air outlet end of the fan 1001 is communicated with the heating chamber 45, an opening 77 communicating with the interior of the paint spray booth 44 is disposed at the bottom of the heating chamber 45, and filter cotton 48 is disposed at the opening 77; the bottom of the paint spray booth 44 is provided with a ventilation groove 141, the top of the ventilation groove 141 is provided with a second filter screen 47, and the ventilation groove 141 is provided with a ventilation pipe 142 communicated with the outside of the paint spray booth 44. The outside of the spray booth 44 is provided with an air cleaner, and the ventilation pipe 142 communicates with the air cleaner. It should be noted that, after the paint spraying of the train is completed, the paint spraying device is required to be transferred to the drying room 74 for drying operation, if the train is drying at the moment in the drying room 74, then the train in the coating room needs to wait in situ, which wastes time. The external air source is filtered by the fan 1001 and then blown into the heating chamber 45 to be heated, the heated air enters the paint spray booth 44 to dry the train after being filtered by the filter cotton 48, and the air purifier can purify the discharged polluted air and then discharge the purified air into the atmosphere through the ventilation groove 141 and the ventilation pipe 142.

As shown in fig. 15, in the present embodiment, the telescopic device 53 is a scissor lift provided in the width direction of the paint spray booth 44. It should be noted that, the scissor fork type lifter is the prior art, and it is hydraulic scissor fork type lifter, and the scissor fork type lifter in this scheme transversely sets up, can drive the staff and press close to the train.

As shown in fig. 14, in the present embodiment, a seventh rail 46 is provided at the middle of the paint spray booth 44. The train is moved into and out of the paint booth 44 by the seventh track 46.

As shown in fig. 15, in the present embodiment, a guard rail 56 is provided on the top of the carrying table 54, and the guard rail 56 is disposed along the circumferential direction of the carrying table 54. The guard rail 56 is provided to protect the worker.

As shown in fig. 12, in this embodiment, a lifting door is provided at one end of the paint spray booth 44. The lifting door is an electric lifting door.

The working principle of the embodiment is as follows:

In this embodiment, after the train or train part enters the paint booth, the lift gate is closed and the worker holds the paint spray apparatus to stand on the carrying table 54, and then, for example, when the middle position of the train needs to be painted:

Firstly, the vertical rail 50 is driven to move on the cross bar through the driving device until the vertical rail 50 moves to the middle point position in the transverse direction of the train, then the motor is started to drive the screw rod 51 to rotate, the movable seat 52 in threaded connection with the screw rod 51 is lifted to the middle point position in the vertical direction of the train, then the bearing table 54 is driven by the scissor lift to be close to the train, and the work of spraying paint can be carried out by staff.

Example 5.

As shown in fig. 16-20, this embodiment is substantially the same as the above embodiment, except that two fifth rails 72 are provided in the wheel set coating room 7 along the length direction thereof, and the wheel set coating room 7 is sequentially provided with a wheel set 71 temporary storage area, a wheel set paint spraying room 73, a wheel set drying room 74 and a wheel set placement area from inside to outside; an opening 77 is formed in the two fifth rails in the wheel set paint spraying room 73 in a penetrating manner, and the opening 77 is provided with:

wheel set positioning means for positioning the wheel set 71 in the paint booth 73;

wheel pair rotating means for rotating the drive wheel pair 71 on the positioning means about its axis;

wheel set ejection means for driving the wheel sets away from the positioning means in the direction of the drying compartment 74.

A paint robot 75 is provided at the upper part of the paint booth 73, and paint is applied to the wheel set 71 by the paint robot 75; in this scheme, when the wheel set 71 needs to be painted, the wheel set 71 is transported from the temporary storage area of the wheel set 71 to the paint spraying room 73, and the two tread positions of the wheel set 71 are respectively located at the two openings 77 of the fifth rail 72, at this time, the wheel set 71 is limited by the wheel set positioning device, the top surface of the wheel set 71 is painted by the paint spraying robot 75, after the paint spraying is finished, the wheel set 71 is pushed towards the drying room 74 by the wheel set ejection device, the wheel set 71 is transported to the drying room 74 for drying operation, after the drying is finished, the wheel set 71 is pulled from the drying room 74 to the opening 77 in the paint spraying room 73 again by the traction device, the wheel set rotating device drives the wheel set 71 to rotate around the axis thereof until the bottom surface of the wheel set 71 which is not painted is rotated to the lower side of the paint spraying opening of the paint spraying robot 75, after the paint spraying robot 75 sprays the paint again, the wheel set is dried by the drying room 74 after the paint spraying is finished, and finally the wheel set is transported to the placing area for storage.

17-20, A mounting groove 76 is formed in the ground in the paint spray booth 73, a bottom plate 84 is formed in the mounting groove 76, the bottom plate 84 is perpendicular to the fifth rail 72, two mounting seats 83 are formed at the top of the bottom plate 84, and the two mounting seats 83 are respectively located below the two openings 77; the wheel pair rotating device comprises a friction wheel 86 arranged at the top of the mounting seat 83, the friction wheel 86 is rotationally connected with the mounting seat 83 and is driven by a motor, and the friction wheel 86 is positioned at the opening 77 and is in friction fit with the wheel pair 71; the mounting seat 83 is further provided with a sixth rail 87, the length of the sixth rail 87 is equal to that of the opening 77 and is positioned at one side of the opening 77, and the friction wheel 86 is rotatably connected with the sixth rail 87; the base plate 84 is provided with a moving device 88 for driving the two mounting seats 83 to approach or separate from each other. It should be noted that, the number of the friction wheels 86 at the top of the mounting seat 83 is two, when the wheel set 71 is located at the opening 77, the wheel set positioning device positions the wheel set, the tread and the rim of the wheel set 71 are in contact with the friction wheels 86, when the wheel set 71 needs to be rotated, the friction wheels 86 are driven to rotate by the motor, the wheel set 71 can be driven to rotate after the friction wheels 86 rotate, and further, it should be emphasized that, because the opening 77 is needed to provide the mounting space for the wheel set positioning device, the wheel set rotating device and the wheel set ejection device, the fifth rail 72 is disconnected due to the opening 77, so that the paint spraying room 73 can only spray paint on the wheel set 71, and other devices or trains cannot run on the fifth rail 72, the paint spray booth 44 has lower adaptability, based on the paint spray booth, the paint spray booth is provided with the sixth rail 87, the sixth rail 87 is used for supplementing the opening 77 on the fifth rail 72, so that the fifth rail 72 and the sixth rail 87 are combined to form a complete rail, the paint spray booth is suitable for transportation of any equipment, namely when the wheel set 71 needs to be painted, the two mounting seats 83 are driven to move through the moving device 88, the friction wheel 86 is enabled to move to the position of the opening 77, and when other equipment needs to be painted, the mounting seats 83 are driven to move again through the moving device 88, so that the sixth rail 87 moves to the position of the opening 77, and the sixth rail 87 and the fifth rail 72 are combined to form a complete rail, so that the paint spray booth is suitable for transportation of other rail equipment and has high applicability. The moving device 88 may be any structure having a moving function, such as a hydraulic cylinder structure, a rack-and-pinion structure, and a screw structure.

As shown in fig. 18-20, the wheel set positioning device comprises a positioning column 79 and a positioning rod 78, wherein the positioning column 79 is positioned at one side of the opening 77 near the drying room 74, and the positioning column 79 is transversely arranged and the top of the positioning column is higher than the top of the fifth rail 72; one end of the positioning rod 78 is connected to the positioning column 79, and the other end is connected to the mounting seat 83. It should be noted that, the positioning column 79 is used to block the wheel set 71 from moving toward the drying room 74, and the height difference between the positioning column 79 and the fifth rail 72 is small, so the positioning column 79 has the function of blocking the wheel set 71, but the positioning column 79 does not affect the movement of the wheel set 71 when the wheel set ejection device pushes the wheel set 71 to move.

As shown in fig. 18-20, the wheel set ejection device includes a deflector 82 and a rotating rod 80, the deflector 82 is located at a side of the opening 77 far away from the drying room 74, the deflector 82 is disposed transversely, one end of the rotating rod 80 is connected with the deflector 82, a pin 81 connected with a mounting seat 83 in a rotating manner is disposed on a side wall of the rotating rod 80, and the rotating rod 80 is driven to rotate by a rotating device. The rotating device can be an air cylinder, one end of the air cylinder is hinged with the mounting seat, and the output end of the air cylinder is hinged with the bottom of the rotating rod. It should be noted that, before the wheel set 71 is transported from the temporary storage area of the wheel set 71 to the wheel set paint booth 73, the shift lever 82 is located below the top of the track, that is, the shift lever 82 does not obstruct the transportation of the wheel set 71, and when the wheel set 71 needs to be pushed out from the opening 77, the rotating device drives the rotating rod 80 to rotate, so that the shift lever 82 acts on the tread of the wheel set 71 and pushes out the wheel set 71.

The working principle of the embodiment is as follows:

when the wheel set 71 needs to be painted, the wheel set 71 is transported from the temporary storage area of the wheel set 71 to the paint spraying room 73, the two treads of the wheel set 71 are respectively positioned at the two openings 77 of the fifth rail 72, at the moment, the wheel set 71 is blocked by the positioning rod 78, the wheel set 71 is prevented from moving, the treads of the wheel set 71 are contacted with the friction wheel 86, at the moment, the top surface of the wheel set 71 is painted by the paint spraying robot 75, after the paint spraying is finished, the rotating device drives the rotating rod 80 to rotate, the rotating rod 80 drives the deflector rod 82 to act on the treads of the wheel set 71, the wheel set 71 is pushed out, the wheel set 71 is moved to the drying room 74 to be dried, after the drying is finished, the wheel set 71 is pulled to the opening 77 in the paint spraying room 73 through the traction device, at the moment, the friction wheel 86 is driven to rotate through the motor, the paint spraying wheel set 71 rotates around the axis until the bottom surface of the wheel set 71 which is not rotated below the opening of the paint spraying robot 75, after the paint spraying robot 75 sprays paint again, the paint on the wheel set 71 is finished, and finally the wheel set 74 is transported to the drying room;

If paint spraying is required to be performed on other equipment except the wheel set 71, the moving device 88 drives the mounting seat 83 to move again, so that the sixth rail 87 moves to the opening 77, and the sixth rail 87 and the fifth rail 72 are combined to form a complete rail, so that the device is suitable for transportation of other rail equipment and has high applicability. The moving device 88 may be any structure having a moving function, such as a hydraulic cylinder structure, a rack-and-pinion structure, and a screw structure.

Example 6.

The embodiment provides a train overhaul method, which comprises the following steps:

Step 1: the train is disassembled in a train disassembly area 1, and the disassembled train mainly comprises a train main frame and wheel pairs 71;

Step 2: the train main frame is sequentially sent to a cleaning room 12 and a polishing room 26 for cleaning and polishing through a transfer trolley 8, and a wheel set 71 is sent to the cleaning room for cleaning and then paint removal and flaw detection are carried out;

step 3: the polished train main frame is sequentially sent into a paint spraying chamber 44 and a drying chamber 6 through a transfer trolley 8 for paint spraying and drying;

The wheel set 71 is sent into a wheel set coating room 7 by a trolley for painting and drying;

step 4: the dried train main frame and wheel set 71 are sent to the contralateral assembly area 2 for assembly through the transfer trolley 8;

in step3, if the train main frame exists in the drying chamber 6 and is being dried, the train main frame positioned in the paint spraying chamber 44 is dried in the paint spraying chamber 44 after paint spraying is completed.

The circuit and electronic components and modules are all the prior art, and can be completely realized by those skilled in the art, and needless to say, the protection of the invention does not relate to the improvement of software and methods.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The train overhaul production line is characterized by comprising a disassembly area (1) and an assembly area (2) which are arranged side by side, wherein one ends of the disassembly area (1) and the assembly area (2) are provided with a transfer platform (9), the transfer platform (9) is provided with a transfer trolley (8), and one end, far away from the disassembly area (1), of the transfer trolley (8) is provided with a cleaning chamber (12), a polishing chamber (26), a paint spray chamber (44), a drying chamber (6) and a wheel set coating chamber (7) side by side in sequence;

the transfer platform (9) is provided with a first track (11), the first track (11) is arranged along the length direction of the transfer platform (9), the transfer trolley (8) is in sliding connection with the first track (11), and the transfer trolley (8) is provided with a second track (10) perpendicular to the first track (11);

Two fifth rails (72) are arranged in the wheel set coating room (7) along the length direction of the wheel set coating room, and a wheel set (71) temporary storage area, a wheel set paint spraying room (73), a wheel set drying room (74) and a wheel set placement area are sequentially arranged in the wheel set coating room (7) from inside to outside;

an opening (77) is formed in two fifth rails (72) in the wheel set paint spraying room (73) in a penetrating mode, and the opening (77) is provided with:

The wheel set positioning device is used for positioning a wheel set (71) in the wheel set paint spraying room (73);

wheel pair rotating means for rotating the drive wheel pair (71) on the wheel pair positioning means about its axis;

the wheel set ejection device is used for enabling the driving wheel set (71) to leave the wheel set positioning device towards the direction of the drying room (74).

2. A train service line according to claim 1, characterized in that the spray booth (44) has spray painting and drying functions.

3. The train overhaul production line according to claim 1, characterized in that a first anti-skid pad (20) is paved on the ground of the cleaning chamber (12), and the first anti-skid pad (20) is grid-shaped; the floor of the cleaning chamber (12) is provided with a water guide groove (21), the water guide groove (21) is arranged along the length direction of the cleaning chamber (12), and the floors at two sides of the water guide groove (21) are obliquely arranged towards the direction of the water guide groove (21); mounting tables (22) are arranged on two sides of the bottom of the water guide groove (21), the mounting tables (22) are arranged along the length direction of the water guide groove (21), and a third track (23) matched with a train is arranged on the water guide groove (21); the water guide groove (21) is internally provided with a grid-shaped second anti-slip pad (24), and two sides of the second anti-slip pad (24) are respectively lapped at the tops of the two mounting tables (22).

4. A train overhaul production line according to claim 3, characterized in that the middle part of the water guiding groove (21) is provided with a third grid-shaped anti-slip pad (25), and two sides of the third anti-slip pad (25) are respectively lapped on two sides of the top of the water guiding groove (21).

5. A train overhaul production line according to claim 1, characterized in that a fourth rail (27) matched with a train is arranged in the polishing chamber (26), and the fourth rail (27) is arranged along the length direction of the polishing chamber (26);

Both sides of the fourth track (27) are respectively provided with a pedal (28) and a lifting device for lifting the pedal (28), and the pedal (28) is arranged along the length direction of the polishing chamber (26).

6. The train overhaul production line according to claim 5, wherein the lifting device comprises a stand column (38) and a screw rod (42), the stand column (38) is positioned at one side of the fourth rail (27), a vertically arranged through groove (43) is penetrated and arranged on the stand column (38), a sliding seat (40) is embedded in the through groove (43), and one end of the sliding seat (40) extends out of the through groove (43) and is connected with a bottom plate (84);

Two ends of the screw rod (42) are rotatably connected with two ends of the through groove (43), and the screw rod (42) is in threaded connection with the sliding seat (40);

A motor for driving the screw rod (42) to rotate is arranged at the top of the upright post (38);

Two openings (77) of the through groove (43) are provided with dustproof curtains (31), two ends of the dustproof curtains (31) are fixedly connected with two ends of the through groove (43), the side wall of the dustproof curtains (31) is connected with the sliding seat (40), and the dustproof curtains (31) are telescopic.

7. The train overhaul production line according to claim 1, wherein a mounting groove (76) is formed in the ground in the paint spraying room (73), a bottom plate (84) is arranged in the mounting groove (76), the bottom plate (84) is perpendicular to the fifth rail (72), two mounting seats (83) are arranged at the top of the bottom plate (84), and the two mounting seats (83) are respectively located below the two openings (77);

The wheel pair rotating device comprises a friction wheel (86) arranged at the top of the mounting seat (83), the friction wheel (86) is rotationally connected with the mounting seat (83) and is driven by a motor, and the friction wheel (86) is positioned at the opening (77) and is in friction fit with the wheel pair (71);

The mounting seat (83) is also provided with a sixth track (87), the length of the sixth track (87) is equal to that of the opening (77) and is positioned at one side of the opening (77), and the friction wheel (86) is rotationally connected with the sixth track (87);

the bottom plate (84) is provided with a moving device (88) for driving the two mounting seats (83) to approach or separate from each other.

8. A train overhaul production line according to claim 1, characterized in that the wheel set positioning device comprises a positioning column (79) and a positioning rod (78), wherein the positioning column (79) is positioned on one side of the opening (77) close to the drying room (74), and the positioning column (79) is transversely arranged and the top of the positioning column is higher than the top of the fifth rail (72);

one end of the positioning rod (78) is connected with the positioning column (79), and the other end of the positioning rod is connected with the mounting seat (83);

The wheel set ejection device comprises a deflector rod (82) and a rotating rod (80), wherein the deflector rod (82) is located on one side, far away from a drying room (74), of an opening (77), the deflector rod (82) is transversely arranged, one end of the rotating rod (80) is connected with the deflector rod (82), a pin shaft (81) which is rotationally connected with an installation seat (83) is arranged on the side wall of the rotating rod (80), and the rotating rod (80) is driven to rotate through a rotating device.

9. A train overhaul method, characterized in that a train overhaul production line according to any one of claims 1-8 is applied, comprising:

Step 1: the train is disassembled in a train disassembly area (1), and the disassembled train mainly comprises a train main frame and wheel pairs (71);

step 2: the train main frame is sequentially sent to a cleaning chamber (12) and a polishing chamber (26) through a transfer trolley (8) for cleaning and polishing, and a wheel set (71) is sent to the cleaning chamber for cleaning and then paint removal and flaw detection are carried out;

Step 3: the polished train main frame is sequentially sent into a paint spraying chamber (44) and a drying chamber (6) through a transfer trolley (8) for paint spraying and drying;

The wheel set (71) is sent into a wheel set coating room (7) through a trolley (8) for spraying paint and drying;

Step 4: the dried train main frame and wheel sets (71) are sent to an opposite side assembly area (2) for assembly through a transfer trolley (8);

In step 3, if the train main frame exists in the drying chamber (6) and is in drying operation, the train main frame positioned in the paint spraying chamber (44) is dried in the paint spraying chamber (44) after paint spraying is finished.