CN111962405A - Existing railway pier self-climbing operation platform without support or suspension - Google Patents
Existing railway pier self-climbing operation platform without support or suspension Download PDFInfo
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- CN111962405A CN111962405A CN202010647913.8A CN202010647913A CN111962405A CN 111962405 A CN111962405 A CN 111962405A CN 202010647913 A CN202010647913 A CN 202010647913A CN 111962405 A CN111962405 A CN 111962405A
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- sliding table
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/005—Devices for the automatic drive or the program control of the machines
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Abstract
The invention discloses a self-climbing operation platform of an existing railway pier without a support or suspension, which mainly comprises: the climbing device comprises an upper climbing frame, a lower climbing frame, a climbing oil cylinder, a working platform, a power device and a control device. The existing railway pier self-climbing operation platform can be provided with a pier chiseling device and a pier drilling device for pier chiseling and drilling, and can be used for carrying out pier maintenance work such as bar planting, cleaning, chiseling and drilling on piers by carrying workers and small equipment. The working principle of the existing railway pier self-climbing operation platform is as follows: the upper climbing frame and the lower climbing frame are two identical steel brackets shaped like a Chinese character 'kou'; each U-shaped steel bracket consists of four identical I-shaped telescopic brackets; the four linear telescopic steel brackets are connected end to end by cylindrical pins. Compared with the traditional construction mode of setting up a scaffold or a hanging basket, the lifting platform has the advantages of high lifting efficiency, strong bearing capacity and stable operation platform.
Description
Technical Field
The invention relates to the technical field of existing railway pier construction, in particular to an existing railway pier self-climbing operation platform without a support or suspension when the existing railway pier is constructed.
Background
With the development of domestic railway construction, the railway bridge constructed in the 70 s of the 20 th century has been used for about 50 years, and the concrete pier can not avoid surface weathering, concrete carbonization, superficial cracks and the like, so that the protection effect of concrete on steel bars is weakened. Therefore, the original bridge pier needs to be reinforced. According to the design specification of pier reinforcement design drawing construction of railway engineering, the existing piers are required to be planted with ribs and wrapped with C35 concrete. The method is characterized in that before the pier is reinforced, the surface of the existing pier in the reinforcing range is chiseled and cleaned, and scum is not required to be stored, so that the effective connection of new and old concrete is ensured.
Because the lower part of the railway bridge is replanted for years, the distance between a farmland and a bridge abutment is less than 2m, a construction lifting platform, a climbing operation vehicle and the like can not be unfolded for operation, and the existing method mainly uses a built scaffold to manually climb up for chiseling and drilling operation, so that the efficiency is low; the safety risk is high, and the laborer needs to set up and climb up the scaffold to carry out the operation, belongs to high altitude construction and major hazard source, and the accident is easily aroused to the safety risk is higher.
The invention uses the existing railway pier self-climbing operation platform without a support or suspension to replace the existing scaffold and hanging basket.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the existing railway pier self-climbing operation platform without a support or suspension. Need not to set up the scaffold frame or set up the hanging flower basket, make constructor can go up and down existing railway bridge pier and carry out the construction operation. Compared with the traditional construction mode of setting up a scaffold or a hanging basket, the lifting platform has the advantages of high lifting efficiency, strong bearing capacity and stable operation platform.
In order to achieve the purpose, the invention is realized by the following technical scheme: a self-climbing operation platform of an existing railway pier without a support or suspension comprises an operation platform, an upper climbing frame, a lifting oil cylinder, a lower climbing frame, a remote control box and a hydraulic pump station; the upper climbing frame and the lower climbing frame are both hoops which are driven by hydraulic pressure and are telescopic in a shape like a Chinese character 'kou', the upper climbing frame and the lower climbing frame are connected through lifting oil cylinders, the operation platform is arranged on the upper climbing frame, and the remote control box and the hydraulic pump station are arranged on the lower climbing frame. When the bridge pier self-climbing operation platform is used, the existing railway bridge pier hoop is alternately held tightly and loosened by the upper climbing frame and the lower climbing frame, the lifting oil cylinder extends out and retracts, and the bridge pier is lifted to the top of the bridge pier or is lowered from the climbing operation platform.
The utility model provides an foretell existing railway pier is from operation platform that climbs that need not support or hang, it comprises 4 "a" style of calligraphy expansion bracket end to go up to climb the frame and climb down, a "style of calligraphy expansion bracket includes a big square steel and two little square steels, big square steel internal fixation has telescopic cylinder, two little square steels insert the generous steel from generous steel both ends port respectively in, the piston rod at telescopic cylinder both ends is connected with two little square steels respectively," a "style of calligraphy expansion bracket can extend or shorten, the frame that climbs up and climb down that 4" a "style of calligraphy expansion bracket are constituteed can wholly enlarge or reduce, thereby hold tightly or relieve existing railway pier.
The existing railway pier self-climbing operation platform without the need of a support or suspension is characterized in that a triangular connecting block is further fixed at the end part of each small square steel, and the small square steel is convenient to be connected with other linear expansion frames end to end.
The utility model provides a foretell existing railway pier is from climbing operation platform that need not support or hang, be fixed with electronic bull chisel hair machine on the operation platform, electronic bull chisel hair machine is including chisel hair machine body and mobile device, mobile device is including the smooth frame of chisel hair head, the first slide rail of chisel hair, the lead screw, worm gear reduction gear and the first removal gear motor of chisel hair, the first removal gear motor output shaft of chisel hair worm reduction gear, hollow output shaft internal fixation screw-nut in the worm gear reduction gear, the screw-nut cover is on the lead screw, the lead screw is fixed in first slide rail top of chisel hair, the first smooth frame sliding sleeve of chisel hair is on the first slide rail of chisel hair, the top and the worm gear reduction gear bottom of the first slide frame of chisel hair are connected, the bottom connection chisel hair machine body of the first slide frame of chisel hair. Fixing the chiseling head slide rail on the operation platform, wherein the chiseling head on the chiseling machine body is right opposite to the existing railway pier surface, the ground is controlled by manual operation, and a chiseling head moving speed reducing motor drives a screw rod nut to rotate through a worm and gear reducer and is driven by a screw rod; the worm gear reducer moves along the lead screw, so that the roughening head sliding frame and the roughening machine body move to one side limit position. Then, the control box is manually operated, the chiseling machine body works, and the chiseling head impacts the concrete surface of the existing railway pier to scabble the concrete surface; after the roughening treatment at this position is completed, the roughening machine body is moved to the next position to perform roughening. The fixed bush hammer on the self-climbing operation platform does not need to be manually ascended and bush hammered, so that the risk of bush hammered operation is reduced.
Foretell existing railway pier that need not support or hang is from climbing operation platform, the chisel hair machine body is bull chisel hair machine, and bull chisel hair machine is equipped with the camshaft including chisel hair head, chisel hair headstock, chisel hair head drive gear motor in the chisel hair headstock, and it is rotatory that chisel hair head drive gear motor passes through sprocket chain drive camshaft, camshaft and the contact of chisel hair head tail, and the camshaft is rotatory, drives chisel hair head reciprocating motion to chisel hair to existing railway pier.
In the self-climbing operation platform for the existing railway pier without a support or a suspension, the multi-head chiseling machine is provided with 11 chiseling heads, and can be used for chiseling a pier concrete surface with the width of about 500mm at one time.
According to the existing railway pier self-climbing operation platform without a support or a suspension, a numerical control drilling machine can be further fixed on the operation platform, and the numerical control drilling machine comprises a drilling machine, a numerical control feeding device, a numerical control moving device, base square steel and a reflecting prism; the numerical control moving device comprises a moving sliding table driving stepping motor, a moving sliding table rack, a moving sliding table gear, a moving sliding table slider, a moving sliding table sliding rail and a numerical control moving platform, wherein the moving sliding table sliding rail and the moving sliding table rack are transversely fixed on base square steel; the numerical control feeding device comprises a feeding sliding table, a feeding sliding table electric pull rod, a feeding sliding table sliding block, a feeding sliding table guide rail and a numerical control feeding platform; the numerical control feeding platform is fixed above the numerical control moving platform, the feeding sliding table guide rail is longitudinally fixed on the numerical control feeding platform, the feeding sliding table sliding block is fixed on the feeding sliding table guide rail in a sliding mode, the feeding sliding table is fixed on the feeding sliding table sliding block, the feeding sliding table electric pull rod is fixed on the numerical control feeding platform, the free end of the pull rod of the feeding sliding table is connected with the feeding sliding table, and the drilling machine is fixed on the feeding sliding table; the reflecting prism is fixed at the two ends of the outer side surface of the square steel of the base and the end part of the non-working end of the drilling machine.
The using method comprises the following steps:
installing a numerical control drilling machine on the operation platform, and rightly aligning the inner side surface of the square steel of the base and the working end of the drilling machine to the drilling surface of the pier;
erecting a total station near the existing bridge pier;
measuring the center line and the elevation of the existing pier by using a total station, and calculating the coordinates of the position needing to be drilled;
lifting the numerical control drilling machine by using the self-climbing operation platform;
using a total station to aim at a reflecting prism arranged at the rear part of the numerical control drilling machine, measuring the coordinate value of the numerical control drilling machine, and moving a self-climbing operation platform to enable the elevation of the numerical control drilling machine to be the same as the planned drilling elevation;
the position of a drill bit of the drilling machine is aligned to the first drilling position of the current elevation by using a remote controller, and the drilling depth, the drilling distance and the like are set through the remote controller;
and starting the drilling machine by using a remote controller, and starting drilling when the drilling machine reaches a rated rotating speed until all drilling work is finished.
Drilling:
starting a drilling machine to enable a drill bit to reach a preset rotating speed;
the electric pull rod of the feeding sliding table pulls the feeding sliding table, and the feeding sliding table pushes the drilling machine to drill the existing bridge pier;
after hole site drilling operation is completed, the remote controller controls the movable sliding table to drive the stepping motor to rotate, and the movable sliding table is driven to transversely move through the gear for the movable sliding table and the rack for the movable sliding table;
drilling after moving to a preset position, and then sequentially completing all drilling operations of the elevation;
adjusting the height of the self-climbing operation platform to enable the numerical control drilling machine to reach a new drilling elevation;
measuring a reflecting prism through a total station instrument to determine the elevation and the position of a new drilled hole;
and repeating the steps to complete the drilling operation of the new elevation until the drilling operation of the existing pier side is completed.
The numerical control drilling machine on the self-climbing operation platform does not need manual work to climb to the height for drilling operation, and the risk of drilling operation is reduced.
The existing railway pier self-climbing operation platform without a support or a suspension is characterized in that a feeding sliding table limiter is further arranged on the numerical control feeding platform. When the feeding sliding table touches the feeding sliding table stopper, the operation of drilling holes is finished.
The existing railway pier self-climbing operation platform without a support or a suspension is characterized in that a movable sliding table limiting stopper is further arranged on a movable sliding table sliding rail.
The drilling machine comprises a drill bit, a drill bit clamp and a speed reducing motor, wherein the speed reducing motor is connected with the drill bit through the drill bit clamp.
The self-climbing operation platform of the existing railway pier without a support or suspension is fixed at the bottom of the existing railway pier and is connected with a power supply. The platform can climb or descend from, and the workman can carry out the construction operation on the platform, also can install all kinds of construction equipment on the platform, for example electronic bull chisel hair machine and numerical control drilling machine, has reduced artifical chisel hair and drilling danger coefficient.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
FIG. 2 is a schematic structural diagram of the main part of the present invention (without a work platform, a remote control box and a hydraulic pump station).
Fig. 3 is a schematic view of an ascending frame and a descending frame according to the present invention.
Fig. 4 is a structural diagram of a linear telescopic bracket which is a main component of the upper climbing frame and the lower climbing frame.
Fig. 5 is a schematic view of the present invention on an existing railroad pier.
Fig. 6 is a schematic structural view of the multi-head bush hammer.
Fig. 7 is a top view of fig. 6.
Fig. 8 is a side view of fig. 6.
Fig. 9 is an isometric view of the present multi-headed burr machine.
Fig. 10 is a schematic view of a main body of a numerically controlled drilling machine.
FIG. 11 is a diagram of the position of the prism of the main body of the numerical control drilling machine.
In the figure: 1-a working platform; 2-climbing a lifting frame; 3-lifting oil cylinder; 4-climbing frame; 5-remote control box; 6-hydraulic pump station, 7-telescopic oil cylinder; 8-large square steel, 9-small square steel; 10-triangular connecting blocks; 11-chiseling a burr; 12-a burr head power box; 13-the burr head drives the reduction motor; 14-a burr sliding frame; 15-a burr slide rail; 16-a lead screw; 17-worm gear reducer; 18-the burr head moving gear motor; 19-a drill bit; 20-a drill bit clamp; 21-a reduction motor; 22-feed slide; 23-feeding a slipway electric pull rod; 24-feed slide; 25-feed slide guide; 26-feed ramp stops; 27-moving the slipway stopper; 28-moving the stepping motor for driving the sliding table; 29-moving the rack for the sliding table; 30-moving the gear for the sliding table; 31-moving the sliding table slide block; 32-moving the sliding table slide rail; 33-base square steel; 34-a numerical control feeding platform; 35-a reflecting prism; 36-a numerically controlled mobile platform; 37-existing pier.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an existing railway pier is from climbing operation platform that need not support or hang, includes operation platform 1, upward climbs and rises frame 2, lift cylinder 3, down climbs frame 4, remote control box 5 and hydraulic power unit 6.
Go up and climb frame 2 and lower frame 4 of climbing and be two "mouthful" style of calligraphy telescopic staple bolts that adopt hydraulic drive the same, the staple bolt comprises 4 "a" style of calligraphy expansion bracket end to end connection, "a" style of calligraphy expansion bracket includes a big square steel and two little square steels, big square steel internal fixation has telescopic cylinder 7, two little square steels insert the generous square steel from generous square steel both ends port respectively in, the piston rod at telescopic cylinder 7 both ends is connected with two little square steels respectively, "a" style of calligraphy expansion bracket can extend or shorten, 4 last frame 2 and the lower frame 4 of climbing that "a" style of calligraphy expansion bracket is constituteed can wholly enlarge or reduce, thereby hold tightly or relieve existing railway pier, the tip of every little square steel still is fixed with the triangular connecting block, be convenient for and other "a" style of calligraphy expansion bracket head and the tail adopt the cylindric lock to connect. Connecting lugs are further arranged at the end parts of two ends of the large square steel, and two ends of the lifting oil cylinder 3 are respectively connected with the large square steel connecting lugs of the upper climbing frame 2 and the large square steel connecting lugs of the lower climbing frame 4. The remote control box 5 and the hydraulic pump station 6 are both fixed on the lower climbing frame 4, and the upper climbing frame 2 is provided with the working platform 1 along the 4 linear telescopic frames. When the bridge pier lifting device is used, the existing bridge pier hoop is alternately held tightly and loosened by the upper climbing frame 2 and the lower climbing frame 4, the lifting oil cylinder 3 extends out and retracts, and the bridge pier is lifted to the top of the bridge pier or is lowered from the climbing operation platform. The remote control box 5 serves as a signal receiving end and receives a control signal sent by the ground remote controller, and the control signal controls the on-off of an electromagnetic valve on the hydraulic pipeline so as to realize climbing of the working platform.
Climbing step:
1. the self-climbing operation platform of the existing railway pier is sleeved at the bottom of the existing railway pier.
2. And a power supply is connected with the hydraulic pump station 6 and the remote control box 5.
3. The climbing frame 2 is controlled to retract through the remote control box 5, so that the climbing frame 2 holds the existing railway pier tightly.
4. The lower climbing frame 4 is controlled to retract through the remote control box 5, so that the lower climbing frame 4 tightly holds the existing railway pier.
5. The climbing frame 2 is controlled to extend out through the remote control box 5, so that the climbing frame 2 loosens the existing railway pier.
6. The remote control box 5 controls the lifting oil cylinder 3 to extend, and the upper climbing frame 2 and the operation platform 1 are lifted upwards.
7. The climbing frame 2 is controlled to retract through the remote control box 5, so that the climbing frame 2 holds the existing railway pier tightly.
8. The lower climbing frame 2 is controlled to extend out through the remote control box 5, so that the lower climbing frame loosens the existing railway pier.
9. The lifting oil cylinder 3 is controlled to contract through the remote control box 3, so that the lifting oil cylinder 3 lifts the lower climbing frame 4, the hydraulic pump station 6 and the remote control box 5.
10. And repeating the climbing step 5-9 to enable the existing railway pier to gradually move towards the top of the existing railway pier from the climbing operation platform.
A descending step:
1. the climbing frame 2 is controlled to retract through the remote control box 5, so that the climbing frame 2 holds the existing railway pier tightly.
2. The lower climbing frame 4 is controlled to extend out through the remote control box 5, so that the lower climbing frame loosens the existing railway pier.
3. The lifting oil cylinder 3 is controlled to extend through the remote control box 5, and the lower climbing frame 4, the hydraulic pump station 6 and the remote control box 5 extend downwards.
4. The lower climbing frame 4 is controlled to retract through the remote control box 5, so that the lower climbing frame 4 tightly holds the existing railway pier.
5. The climbing frame 2 is controlled to extend out through the remote control box 5, so that the climbing frame 2 loosens the existing railway pier.
6. The remote control box 5 controls the lifting oil cylinder 3 to contract, so that the upper climbing frame 2 and the operation platform 1 descend.
7. The climbing frame 2 is controlled to retract through the remote control box 5, so that the climbing frame 2 holds the existing railway pier tightly.
8. And (5) repeating the steps 2-6 to enable the existing railway pier to gradually descend from the climbing operation platform.
The self-climbing operation platform of the existing railway pier without a support or suspension is fixed at the bottom of the existing railway pier and is connected with a power supply. The platform can climb or descend, and the workman can carry out construction operation on the platform to can install all kinds of construction equipment on the platform, for example electronic bull chisel hair machine and numerical control drilling machine.
The electric multi-head bush hammer comprises a bush hammer body and a moving device. The moving device comprises a burr head sliding frame 14, a burr head sliding rail 15, a lead screw 16, a worm and gear reducer 17, a burr head moving speed reduction motor 18, an output shaft of the burr head moving speed reduction motor 18 is connected with the worm and gear reducer 17, a hollow output shaft is internally fixed with a lead screw nut in the worm and gear reducer 17, the lead screw nut is sleeved on the lead screw 16, two ends of the burr head sliding rail 15 are provided with lead screw fixing plates, the lead screw 16 is fixed above the burr head sliding rail 15 through the lead screw fixing plates, the burr head sliding frame 4 is slidably sleeved on the burr head sliding rail 15, the top of the burr head sliding frame 14 is connected with the bottom of the worm and gear reducer 17, and the bottom of the burr head sliding frame 14 is connected with a burr machine body.
The chisel hair machine body is bull chisel hair machine, connects a plurality of chisel hair head 11 by a chisel hair headstock 12, and every 11 diameters of chisel hair head are 50mm, are provided with 11 chisel hair heads altogether, divide into two rows, and wherein 6 chisel hair heads are located one row, and 5 chisel hair heads are located one row. The power box is internally provided with 2 cam shafts, the scabbling head drives the speed reduction motor 3 to be three asynchronous motors and a speed reducer of 7.5kw, the three asynchronous motors provide power for the scabbling head through the 2 cam shafts after being reduced by the speed reducer, the rotating speed of the three asynchronous motors is 1440 revolutions per minute, the reduction ratio is 6:1, and the output rotating speed of the speed reducer is 240 revolutions per minute. The speed reducer drives the camshaft to rotate through the chain wheel and the chain, the camshaft is in contact with the tail of the chiseling head, and the camshaft rotates to drive the chiseling head to reciprocate, so that the existing railway pier is chiseled.
The burr-drilling head moving speed-reducing motor 18 and the multi-head burr drilling machine are controlled by a ground control box.
The electric multi-head bush hammer simultaneously uses 11 bush hammer heads to carry out bush hammer treatment on the surface of an existing pier, the efficiency is high, the bush hammer width is 580mm each time, and the bush hammer depth is 2-3 mm. By means of the moving device, it is possible to move over a distance of up to 6 meters, and by moving while chiseling, it is possible to form a chiseling tape with a width of 580 mm. The efficiency of the electric pick is several times higher than that of manual use.
When in chiseling, the ground is manually operated by a control box, and a chiseling head moving speed reducing motor 18 drives a screw rod nut to rotate clockwise by utilizing a worm and gear reducer 17; through the transmission of the screw rod, the worm gear reducer moves leftwards along the screw rod, so that the sliding frame of the chiseling head and the multi-head chiseling machine move leftwards to the limit position. The ground is manually operated by a control box, and the roughening head drives a speed reducing motor 13 to start; the chisel hair head power box 12 drives the chisel hair head 11 to reciprocate; the burrs 11 impact the concrete surface of the existing railway pier to roughen the concrete surface. The ground is controlled by manual operation, a roughening head moving speed reducing motor 18 drives a screw nut to rotate anticlockwise by using a worm and gear reducer 17; through the transmission of the screw rod, the worm gear reducer moves rightwards along the screw rod, so that the deburring head sliding frame and the multi-head deburring machine move rightwards, and the deburring treatment at the next position is carried out.
The numerical control drilling machine comprises a drilling machine, a numerical control feeding device, a numerical control moving device, base square steel 33 and a reflecting prism 35.
The numerical control moving device comprises a moving sliding table driving stepping motor 28, a moving sliding table rack 29, a moving sliding table gear 30, two moving sliding table sliders 31, two moving sliding table slide rails 32 and a numerical control moving platform 36, wherein the two moving sliding table slide rails 32 and the moving sliding table rack 29 are transversely fixed on base square steel 33, each moving sliding table slider 31 is fixed on one moving sliding table slide rail 32 in a sliding mode, the numerical control moving platform 36 is fixed on the moving sliding table slider 31, the moving sliding table driving stepping motor 28 is fixed on the numerical control moving platform 36, the moving sliding table driving stepping motor 28 is connected with the moving sliding table gear 30 on an output shaft, and the moving sliding table gear 30 is meshed with the moving sliding table rack 29.
The numerical control feeding device comprises a feeding sliding table 22, a feeding sliding table electric pull rod 23, two feeding sliding table sliding blocks 24, two feeding sliding table guide rails 25 and a numerical control feeding platform 34; the numerical control feeding platform 34 is fixed above the numerical control moving platform 36, the two feeding sliding table guide rails 25 are longitudinally fixed on the numerical control feeding platform 34, each feeding sliding table sliding block 24 is fixed on one feeding sliding table guide rail 25 in a sliding mode, the feeding sliding table 22 is fixed on the feeding sliding table sliding block 24, the feeding sliding table electric pull rod 23 is fixed on the numerical control feeding platform 34, and the free end of the pull rod is connected with the feeding sliding table 22.
The drilling machine comprises a drill bit 19, a drill bit holder 20 and a speed reducing motor 21, wherein the speed reducing motor 21 is connected with the drill bit 19 through the drill bit holder 20. The speed reducing motor 21 is fixed on the feeding sliding table 22; the reflecting prism is fixed at the two ends of the outer side surface of the base square steel 33 and the end part of the non-working end of the drilling machine.
The numerical control feeding platform 34 is also provided with a feeding sliding table limiter 26; the moving slide rail 32 is also provided with a moving slide stopper 27.
Both the drill and the mobile slide drive stepper motor 28 are controlled by a remote control on the ground.
The using method comprises the following steps:
a numerical control drilling machine is arranged on the working platform 1;
erecting a total station near the existing bridge pier 37;
measuring the center line and the elevation of the existing pier 37 by using a total station, and calculating the coordinates of the position needing to be drilled;
lifting the numerical control drilling machine from the climbing operation platform;
using a total station to aim at a reflecting prism 35 arranged at the rear part of the numerical control drilling machine, measuring the coordinate value of the numerical control drilling machine, and moving a self-climbing operation platform to enable the elevation of the numerical control drilling machine for the existing railway pier to be the same as the planned drilling elevation;
the position of the drill bit 19 is aligned to the first drilling position of the current elevation by using the remote controller for remote control, and the drilling depth, the drilling distance and the like are set through the remote controller;
and starting the speed reducing motor 21 by using a remote controller, and starting drilling when the speed reducing motor 21 reaches a rated rotating speed until all drilling work is finished.
Drilling:
firstly, a speed reducing motor 21 is connected with a drill bit 19 through a drill bit clamp 20;
secondly, starting the speed reducing motor 21 to enable the drill bit 19 to reach a preset rotating speed;
thirdly, the electric pull rod 23 of the feeding sliding table pulls the feeding sliding table 22, and the feeding sliding table 22 pushes the speed reducing motor 21, the drill bit clamp 20 and the drill bit 19 to drill the existing bridge pier 37;
feeding the feeding sliding table 22 continuously, stopping feeding and returning to the original position after the feeding sliding table 22 touches the feeding sliding table stopper 26, and completing hole position drilling operation;
the remote controller controls the stepping motor 28 for driving the movable sliding table to rotate, and the movable sliding table is driven to transversely move after being transmitted by the gear 30 for the movable sliding table and the rack 29 for the movable sliding table and moves according to the preset drilling distance of the remote controller;
sixthly, after moving to the preset position, repeating the steps I to IV;
seventhly, completing all drilling operations of the elevation;
and adjusting the height of the self-climbing operation platform to enable the existing numerical control drilling machine for the railway pier to reach a new drilling elevation.
Ninthly, measuring the reflective prism 35 by the total station to determine the new drilling elevation and position, and setting new drilling parameters through a remote controller.
And repeating the step two to the step nine to complete the drilling operation of the new elevation until the drilling operation of the existing pier at the side is completed.
Claims (10)
1. The utility model provides a need not existing railway pier of support or suspension from climbing operation platform which characterized in that: comprises an operation platform (1), an upper climbing frame (2), a lifting oil cylinder (3), a lower climbing frame (4), a remote control box (5) and a hydraulic pump station (6); the upper climbing frame (2) and the lower climbing frame (4) are both hoops which are driven by hydraulic pressure and are in a shape like a Chinese character 'kou' and telescopic, the upper climbing frame (2) and the lower climbing frame (4) are connected through a lifting oil cylinder (3), the operation platform (1) is arranged on the upper climbing frame (2), and the remote control box (5) and the hydraulic pump station (6) are arranged on the lower climbing frame (4).
2. The self-climbing operation platform without a support or a suspension for the existing railway pier as claimed in claim 1, wherein: go up and climb frame (2) and climb down and form by 4 "one" style of calligraphy expansion bracket end to end connections, "one" style of calligraphy expansion bracket includes a big square steel and two little square steels, big square steel internal fixation has flexible hydro-cylinder (7), two little square steels insert the big square steel in from big square steel both ends port respectively, the piston rod at flexible hydro-cylinder (7) both ends is connected with two little square steels respectively, "one" style of calligraphy expansion bracket can extend or shorten, climb up and rise frame (2) and climb down that 4 "one" style of calligraphy expansion bracket is constituteed and can wholly enlarge or reduce, thereby hold tightly or relieve existing railway pier.
3. The self-climbing operation platform without a support or a suspension for the existing railway pier as claimed in claim 2, wherein: the end part of each small square steel is also fixed with a triangular connecting block (10) which is convenient to be connected with other linear expansion brackets end to end.
4. The self-climbing operation platform without a support or a suspension for the existing railway pier as claimed in claim 3, wherein: be fixed with electronic bull chisel hair machine on operation platform (1), electronic bull chisel hair machine is including chisel hair machine body and mobile device, mobile device is including chisel hair head sliding frame (14), chisel hair head slide rail (15), lead screw (16), worm gear reduction gear (17) and chisel hair head removal gear motor (18), chisel hair head removal gear motor (18) output shaft connection worm gear reduction gear (17), hollow output shaft internal fixation screw-nut in worm gear reduction gear (17), screw-nut overlaps on lead screw (16), lead screw (16) are fixed in chisel hair head slide rail (15) top, chisel hair head sliding frame (14) sliding sleeve is on chisel hair head slide rail (15), the top and worm gear reduction gear (17) bottom of chisel hair head sliding frame (14) are connected, the bottom of chisel hair head sliding frame (14) is connected the chisel hair machine body.
5. The self-climbing operation platform without a support or a suspension for the existing railway pier as claimed in claim 4, wherein: the chiseling machine body is a multi-head chiseling machine, the multi-head chiseling machine comprises a chiseling head (11), a chiseling head power box (12) and a chiseling head driving speed reducing motor (13), a cam shaft is arranged in the chiseling head power box (12), the chiseling head driving speed reducing motor (13) drives the cam shaft to rotate through a chain wheel and a chain, the cam shaft is in contact with the tail of the chiseling head (11), the cam shaft rotates to drive the chiseling head to reciprocate, and therefore chiseling is conducted on an existing railway pier.
6. The self-climbing operation platform without a support or a suspension for the existing railway pier as claimed in claim 4 or 5, wherein: the multi-head chiseling machine is provided with 11 chiseling heads, and can be used for chiseling bridge pier concrete surfaces with the width of about 500mm at one time.
7. The self-climbing operation platform without a support or a suspension for the existing railway pier as claimed in claim 3, wherein: a numerical control drilling machine can be further fixed on the operation platform (1), and comprises a drilling machine, a numerical control feeding device, a numerical control moving device, base square steel (33) and a reflecting prism; the numerical control moving device comprises a moving sliding table driving stepping motor (28), a moving sliding table rack (29), a moving sliding table gear (30), a moving sliding table sliding block (31), a moving sliding table sliding rail (32) and a numerical control moving platform (36), wherein the moving sliding table sliding rail (32) and the moving sliding table rack (29) are transversely fixed on base square steel (33), the moving sliding table sliding block (31) is fixed on the moving sliding table sliding rail (32) in a sliding manner, the numerical control moving platform (36) is fixed on the moving sliding table sliding block (31), the moving sliding table driving stepping motor (28) is fixed on the numerical control moving platform (36), an output shaft of the moving sliding table driving stepping motor (28) is connected with the moving sliding table gear (30), and the moving sliding table gear (30) is meshed with the moving sliding table rack (29); the numerical control feeding device comprises a feeding sliding table (22), a feeding sliding table electric pull rod (23), a feeding sliding table sliding block (24), a feeding sliding table guide rail (25) and a numerical control feeding platform (34); the numerical control feeding platform is fixed above the numerical control moving platform (36), the feeding sliding table guide rail (25) is longitudinally fixed on the numerical control feeding platform (34), the feeding sliding table sliding block (24) is fixed on the feeding sliding table guide rail (25) in a sliding mode, the feeding sliding table (22) is fixed on the feeding sliding table sliding block (24), the feeding sliding table electric pull rod (23) is fixed on the numerical control feeding platform (34), the free end of the pull rod is connected with the feeding sliding table (22), and the drilling machine is fixed on the feeding sliding table (22); the reflecting prisms are fixed at two ends of the outer side surface of the square steel (33) of the base and the end part of the non-working end of the drilling machine.
8. The self-climbing operation platform without a support or a suspension for the existing railway pier as claimed in claim 7, wherein: the numerical control feeding platform (34) is also provided with a feeding sliding table limiter (26).
9. The existing railway pier self-climbing operation platform without a support or a suspension as claimed in claim 8, wherein: a movable sliding table limiting stopper (27) is also arranged on the movable sliding table sliding rail (32).
10. The self-climbing operation platform without a support or a suspension for the existing railway pier as claimed in claims 7 to 9, wherein: the drilling machine comprises a drill bit (19), a drill bit clamp (20) and a speed reducing motor (21), wherein the speed reducing motor (21) is connected with the drill bit (19) through the drill bit clamp (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010647913.8A CN111962405A (en) | 2020-07-07 | 2020-07-07 | Existing railway pier self-climbing operation platform without support or suspension |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010647913.8A CN111962405A (en) | 2020-07-07 | 2020-07-07 | Existing railway pier self-climbing operation platform without support or suspension |
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| CN111962405A true CN111962405A (en) | 2020-11-20 |
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| CN202010647913.8A Pending CN111962405A (en) | 2020-07-07 | 2020-07-07 | Existing railway pier self-climbing operation platform without support or suspension |
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Application publication date: 20201120 |