JP2006089185A - Workbench for working vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a workbench for a working vehicle allowing even one worker to efficiently perform high-lift work. <P>SOLUTION: The working vehicle is provided with a self-travelling body 1, a mast 8 stood in a front part of the travelling body 1, a workbench main body 9 supported by the mast 8 and fitted to a lift plate 9a to be lifted by a lift means 10, and an operating means 19 for operating the travelling body 1 for traveling and operating the lift means 10. The workbench main body 9 of this working vehicle is formed into a nearly L-shape formed of a horizontal part 9c and a vertical part, and the vertical part is rotatably supported by the lift plate 9a so that an upper and a lower surfaces of the horizontal part 9c can turn over. When lifting a construction materials to a fitting position and positioning to the fitting position, the upper and the lower surfaces of the horizontal part 9c is turned over, and since the horizontal part 9c is positioned higher than the vertical part, even one worker can easily and efficiently perform high-lift work such as placing the construction materials such as, especially, ceiling materials on the horizontal part 9c and positioning to the fitting position, and fitting of the ceiling materials to a ceiling surface. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a work table for a work vehicle mainly used for interior / exterior construction and ceiling construction of a building.

In construction work for building buildings such as buildings, work such as attaching wall materials to inner and outer walls and attaching ceiling materials to the ceiling is often performed.
These operations are high place work, and it is necessary to transport heavy construction materials to the work site and lift construction materials to the installation position. For example, a work vehicle as described in Patent Document 1 is used to lift the vehicle to the attachment position.

In the “conveyance device for construction work” described in Patent Document 1, a lifting frame is erected on a travelable carriage, and load receiving means for placing construction materials on the lifting frame is provided. ing.
Further, the traveling body frame of the traveling carriage is provided with traveling wheels that can be switched in the front-rear direction and the left-right direction by a switching mechanism, and on both sides of the traveling body frame, outriggers with wheels provided at the tip are folded. Alternatively, it is configured to be detachably attached.
Japanese Unexamined Patent Publication No. Sho 63-230396

  The construction work transport device described in Patent Document 1 is effective for transporting construction materials to a work site or lifting construction materials to a mounting position. After lifting the construction material up to the installation position, it is precisely positioned at the installation position and then installed using tools such as power tools and air tools, so heavy interior and exterior materials and ceiling materials are retained. In order to perform positioning and attachment work in a state, several people are required, which increases labor costs and causes problems such as danger.

  Also, when attaching construction materials to walls, ceilings, etc., operations such as drilling and screwing are performed, but since different types of tools are used for these operations, tools are changed each time the tools used change. For example, it is necessary for the worker to go up and down the scaffolding, or to have another worker hand over the tools, etc., and the work is complicated and the work takes time and the work efficiency is poor. is there.

  The present invention has been made to remedy such a problem, and an object of the present invention is to provide a work table for a work vehicle in which a single worker can safely and efficiently work at a high place.

  The work platform of the work vehicle of the present invention includes a self-propelled traveling body, a mast erected on the front of the traveling body, and a work supported by the mast and attached to a lifting plate that can be lifted and lowered by a lifting means. A work table for a work vehicle provided with a base body and an operating means that is provided on the side of the traveling body and that operates the traveling body and operates the lifting and lowering means. The work base body includes a horizontal portion and a vertical portion. The upper and lower surfaces of the horizontal portion can be reversed by forming a substantially L shape and rotatably supporting the vertical portion on the lifting plate.

  With the above configuration, when transporting construction materials such as interior / exterior materials and ceiling materials, construction materials and tools can be placed and transported on the upper surface of the horizontal part of the workbench main body, so transportation work is efficient. In addition to being able to perform well, when lifting the construction material to the mounting position or positioning it at the mounting position, the horizontal part is above the vertical part by rotating the worktable body and reversing the upper and lower surfaces of the horizontal part In particular, construction materials such as ceiling materials can be placed on the horizontal part and positioned at the mounting position, or can be attached to the ceiling surface easily and efficiently by one person, reducing labor costs and working at high places. Can be done safely.

  The work platform of the work vehicle according to the present invention is provided with a receiving tray for storing tools and a non-slip member on the lower surface of the horizontal portion.

With the above configuration, by inverting the workbench main body during work, the construction material can be attached in a state where tools such as an electric tool and fixing tools such as screws and bolts for fixing the construction material are accommodated in the tray. As a result, it is not necessary to change the tools used for work or to go up and down the scaffold many times to get the fixing tool, so that the work efficiency is good and the worker fatigues early. There are few.
In addition, the anti-slip member prevents the construction material placed on the horizontal part from slipping down, so even heavy construction materials can be lifted safely, and the construction material is placed on the horizontal part and attached When positioning, the anti-slip member prevents the displacement of the construction material, so that the positioning operation and the mounting operation can be performed with high accuracy in a short time.

  The work platform of the work vehicle of the present invention is provided with a plurality of horizontal portions in the vertical portion, and a part of the horizontal portion is detachable from the vertical portion.

  With the above configuration, since different types of construction materials and tools can be separately placed on each horizontal part, it is convenient when transporting the construction materials separately by type or when sequentially installing different types of construction materials, Since many construction materials can be transported and lifted at once, the workability is very good and the number of horizontal sections can be increased or decreased according to the type and quantity of construction materials used for the work, so it is not used during work. The horizontal part does not interfere with the work.

  The work platform of the work vehicle of the present invention includes a self-propelled traveling body, a mast erected on the front of the traveling body, and a work supported by the mast and attached to a lifting plate that can be lifted and lowered by a lifting means. A base body, an outrigger installed so as to be able to be inserted and removed freely in the front-rear direction or both sides of the traveling body, and an operation means provided on the traveling body side, for operating the traveling body, operating the elevating means, and taking the outrigger in and out. A work table of a working vehicle provided with a work table body formed in an approximately L shape consisting of a horizontal portion and a vertical portion, and the vertical portion being rotatably supported on a lifting plate, whereby the upper and lower surfaces of the horizontal portion are Is reversible, and is provided with a receiving tray for storing a tool and a non-slip member on the lower surface of the horizontal portion.

With the above configuration, when transporting construction materials such as interior / exterior materials and ceiling materials, construction materials and tools can be placed and transported on the upper surface of the horizontal part of the workbench main body, so transportation work is efficient. In addition to being able to perform well, when lifting the construction material to the mounting position or positioning it at the mounting position, the horizontal part is above the vertical part by rotating the worktable body and reversing the upper and lower surfaces of the horizontal part In particular, construction materials such as ceiling materials can be placed on the horizontal part and positioned at the mounting position, or can be attached to the ceiling surface easily and efficiently by one person, reducing labor costs and working at high places. Can be done safely.
In addition, by inverting the workbench main body during work, it becomes possible to perform construction work installation work with tools such as electric tools and fixing tools such as screws and bolts for fixing construction materials housed in the tray. This eliminates the need to change the tools used for work and to go up and down the scaffold several times in order to get the fixing tool, so that the work efficiency is good and the operator is less likely to get tired early. In order to prevent the construction material with the anti-slip member placed on the horizontal part from slipping down, even heavy construction material can be lifted safely, and the construction material is placed on the horizontal part and the mounting position When positioning, the anti-slip member prevents the displacement of the construction material, so that the positioning operation and the mounting operation can be performed with high accuracy in a short time.

  According to the work platform of the work vehicle of the present invention, when transporting construction materials such as interior and exterior materials and ceiling materials, the work platform main body is used to lift the construction materials to the mounting position or to position the mounting materials at the mounting position. Rotate the horizontal part to invert the upper and lower surfaces of the horizontal part, so that the horizontal part becomes higher than the vertical part. A single person can easily and efficiently perform the work of attaching to the vehicle, and can work at a high place safely.

Embodiments of the present invention will be described in detail with reference to the drawings.
1 is a side view of the work vehicle, FIG. 2 is a hydraulic circuit diagram, FIG. 3 is a perspective view of the work table, FIG. 4 is a perspective view of the work table with the work table inverted, and FIGS. FIG.
Work vehicles that install construction materials such as interior and exterior materials and ceiling materials of buildings such as buildings must move to each floor of the building using elevators installed in the building or work elevators. Considering this, it is composed of a small traveling body 1 that can be mounted on these elevators and a work implement 2.
In order for the traveling body 1 to run on its own, a pair of front wheels 3 are provided on the front side of the bottom portion so as to be separated in the left-right direction, and a pair of rear wheels 4 made of casters are provided on the rear side so as to be separated in the left-right direction. Yes.
Since the front wheels 3 are driving wheels at the time of traveling, driving means 5 each made of an electric motor is connected via a reduction gear (not shown).
The left and right drive means 5 can be controlled in the forward and reverse rotation and the rotational speed independently by the control means 6 mounted on the traveling body 1, and by the travel operation means 7 connected to the control means 6. The traveling body 1 can be moved forward and backward, or the traveling body 1 can be steered left and right with a desired turning radius.

The working machine 2 mounted on the front portion of the traveling body 1 includes a mast 8 that expands and contracts in a plurality of stages in the vertical direction, and a workbench main body 9 that is supported by the mast 8 so as to be movable up and down and that can be moved up and down by the lifting means 10. Become.
The mast 8 includes an outer mast 8a whose lower end is pivotally attached to the traveling body 1 by a support shaft 11, and an inner mast 8b provided in the outer mast 8a so as to be slidable in the vertical direction. (Not shown), the upper end side is tiltable in the front-rear direction around the support shaft 11.
Between the inner mast 8 b of the mast 8, a lift cylinder 12 constituting the lifting means 10 is erected. The lift cylinder 12 is installed between the upper end of the inner mast 8 b at the tip of the piston rod 12 a protruding upward from the lift cylinder 12. The horizontal shaft 8c is fixed, and the inner mast 8b can be moved up and down by the lift cylinder 12, and the intermediate portion of the chain 10b is bypassed by the sprocket 10a that is rotatably supported on the tip end side of the piston rod 12a.
One end of the chain 10b is fixed to the lower end portion of the outer mast 8a, and the other end side is connected to an elevating plate 9a of the work table main body 9 supported by the inner mast 8b so as to be movable up and down.
The worktable body 9 has a pair of forks 9b spaced apart in the vehicle width direction as shown in FIGS.
These forks 9b are formed in an approximately L shape by a horizontal portion 9c and a vertical portion 9d, and a pair of mounting plates 9e are horizontally placed between the horizontal portions 9c so as to be separated in the front-rear direction. Fixing tools (not shown) such as screws and bolts for housing tools 35 such as electric tools and air tools and fixing construction materials 37 such as interior and exterior materials and ceiling materials are provided on the lower surface of the mounting plate 9e. 9f, for example, four places are formed as shown in FIG.

Also, a non-slip member 9g that prevents the construction material 37 from slipping down and shifting when the construction material 37 is placed on the lower surface of the horizontal portion 9c of the fork 9b to move up and down, or when the construction material 37 is positioned at the mounting position. Is attached.
The anti-slip member 9 is formed in a band shape by an elastic body such as rubber having a large friction coefficient, and is attached to a plurality of rows by means of adhesion or the like in the longitudinal direction of the horizontal portion 9c as shown in FIG. When the work table body 9 is inverted as shown in FIG. 4, the upper surface of the anti-slip member 9g is formed to be slightly higher than the upper surface of the mounting plate 9e.
Between the vertical parts 9d of the fork 9b, a plurality of, for example, three connecting rods 9h are horizontally spaced apart from each other in the vertical direction, and a shaft hole 9i is formed at the center of the connecting rod 9h located at the intermediate portion. A shaft rod (not shown) projecting substantially horizontally from the front surface of the elevating plate 9a is fitted into the shaft hole 9i, and the work table body 9 is rotatable around the shaft rod. It has become.
A plurality of fixing holes 9j are formed in the connecting rod 9h provided at the upper part and the lower part so as to be spaced apart in the vehicle width direction, and a fixing tool (not shown) such as a bolt inserted into these fixing holes 9j is provided. The worktable body 9 can be fixed at the normal position shown in FIG. 3 and the reverse position shown in FIG. 4 by being screwed into a screw hole (not shown) provided in the elevating plate 9a.
In addition, a plurality of screw holes are formed on the front surface of the lifting plate 9a on a circle centering on the support shaft, and a fixing tool is selectively screwed into these screw holes, so that the workbench main body 9 can be moved at an arbitrary angle. You may enable it to fix in the state inclined.

On the other hand, a support arm 14 protrudes rearward from the rear portion of the traveling body 1, and the traveling operation means 7 is provided at the tip of the support arm 14.
The traveling operation means 7 is electrically connected to the control means 6 provided on the traveling body 1, and the traveling body 1 moves forward and backward by operating the operation lever 7 a in the front-rear direction, and the operation lever 7 a By operating in the left-right direction, the traveling body 1 is turned in the left-right direction.
On the upper part of the traveling body 1, there are traveling body stopping means 15 for stopping the traveling body 1 at a position where it can be operated simultaneously with the traveling operation means 7, lifting / lowering operating means 16 for lifting and lowering the worktable body 9, and the traveling body 1. Outrigger operating means 17 for taking in and out outriggers 18 provided on both sides is provided. The operating means group 15, 16, 17 and the traveling operating means 7 constitute a first operating means 19, and each operating means. 15, 16, and 17 are also electrically connected to the control means 6, and by sending a command to the control means 6, the control means 6 can control the stop of the traveling body 1 and the operation of the work table 2 and the outrigger 18. It has become.

The traveling body 1 is equipped with a hydraulic circuit shown in FIG.
The hydraulic circuit is provided with a hydraulic pump 21 driven by an electric motor 20 whose rotation is controlled by the control means 6, and the pressure oil discharged from the hydraulic pump 21 is controlled to be switched by the control means 6. 22 and the outrigger control valve 23 are supplied to the lift cylinder 12 of the work machine 2 and the outrigger cylinder 24 of the outrigger 18.
The outrigger 18 has a substantially L-shaped rotating arm 18b whose bent portion is pivotally attached to the traveling body 1 by a pin 18a, and the outrigger cylinder 24 is located between the base end side of the rotating arm 18b and the traveling body 1. Is provided.
A wheel 18c is rotatably supported on the distal end side of the rotating arm 18b, and the wheel 18c is grounded by rotating the distal end side of the rotating arm 18b up and down around the pin 18a by the outrigger cylinder 24. The wheel 18c can be raised to the retracted position.

The outrigger 18 can be manually inserted / removed by an outrigger manual switch 25 provided in the first operation means 19, and the outrigger automatic overhang is operated by operating the outrigger automatic switch 26, so that the lift amount of the worktable body 9 and the worktable It can be automatically extended according to the load applied to the main body 9.
That is, the worktable body 9 is provided with lift detection means 28 for detecting the lift height of the worktable body 9 and load detection means 29 for detecting the load applied to the worktable body 9.
The lift amount and the load detected by these detection means 28 and 29 are converted into electric signals and sent to the control means 6. The control means 6 receives signals inputted from the lift detection means 28 and the load detection means 29. The outrigger 18 is automatically taken in and out based on the operation described below, and it is detected at the stroke end of the outrigger cylinder 24 that the outrigger 18 has reached the extended position and the retracted position. Limit switches 30 are provided, and the control means 6 switches the outrigger control valve 23 to the neutral position by signals from these limit switches 30.

On the other hand, a cable 34 provided with a plug 33 that can be connected to an outlet 32 of a commercial power source installed in a building is provided at the rear of the traveling body 1 so as to be rewound.
A cable 34 that can be connected to a commercial power source charges a power supply battery (not shown) mounted on the traveling body 1 or drives the traveling body 1 or the hydraulic pump 21 when the battery cannot be used. In addition to being used as a power source for the electric motor 20, wiring is also made to the second operating means 40 provided on the workbench main body 9 so that it can be used as a power supply for tools 35 such as electric tools used in the vicinity of the workbench main body 9. When the mast 8 expands and contracts, the mast 8 is wound up by a cord reel (not shown) installed on the lower end side of the mast 8.
Similarly to the first operation means 19, the second operation means 40 is an operation attached to the vertical portion 9 b of the worktable body 9 so that the travel operation of the traveling body 1, the raising / lowering operation of the worktable body 9, etc. can be performed. The plate 41 is provided with traveling operation means 42 and traveling body stopping means 43, raising / lowering operating means 44 of the worktable body 9, and outrigger operating means 45, and these operating means 42, 43, 44, 45 are connected to the control means 6. Electrically connected.
In FIG. 2, 36 is a relief valve that operates when an excessive pressure is generated.

Next, the operation of the work table of the work vehicle constructed as described above will be described.
Construction materials 37 such as interior / exterior materials and ceiling materials of a building are often started after being transported from a material storage place to a work site, but the construction materials 37 are also transported by a work vehicle.
That is, construction materials 37 used for work and tools 35 such as electric tools are placed on the placing plate 9d of the workbench main body 9 and transported to the work site by a work vehicle. Since the height of the mast 8 is set so that it can be loaded on an elevator or the like, the construction material 37 and the tools 35 can be easily transported using the elevator or the like.
After the construction material 37 and the tools 35 are transported to the work site, the construction material 37 and the tools 35 are once wholesaled from the work table main body 9, and then the fixture for fixing the work table main body 9 to the lifting plate 9a is removed. In this state, the worktable body 9 is rotated around the shaft rod and reversed as shown in FIG.
In this state, when the work table body 9 is fixed to the lifting plate 9a again by the fixing tool, the tools 35, the fixing tool, etc. are accommodated in the tray 9f on the upper surface of the mounting plate 9e, and further, the work is placed on the horizontal portion 9c of the fork 9b. The necessary construction material 37 is placed, and the traveling body 1 is moved to the attachment position of the construction material 37 as shown in FIG.
When the traveling body 1 is stopped at the work position, the traveling body stopping means 15 is operated to fix the traveling body 1 so that the traveling body 1 does not move unintentionally thereafter, and then the outrigger manual switch 25 is operated to manually operate the outrigger 18. Then, after the outrigger automatic switch 26 is turned on, the lifting operation means 16 is operated to raise the worktable body 9 to a height at which it is easy to work.

At this time, if the outrigger automatic switch 25 is on, the lift detecting means 28 and the load detecting means 29 detect the lift amount of the worktable body 9 and the load applied to the worktable body 9 and send them to the control means 6. The control means 6 compares the preset specified value with the values detected by the lift detecting means 28 and the load detecting means 29, and when the detected value exceeds the specified value, the outrigger control valve so as to project the outrigger 18. In order to switch 23, the outrigger 18 is extended by the outrigger cylinder 24 until the wheel 18c is installed.
When the construction material 37 and the tools 35 are lifted to a height at which they can easily work, the operator gets on the scaffold 48 as shown in FIG. 6 and performs the drilling work with the tools 35 and the installation work of the construction material 37. When using the electric tool, the electric tool is operated by a commercial power source by connecting the electric tool to an outlet (not shown) provided on the operation panel 42, and drilling work or installation work of the construction material 37 is performed. Is possible.

Further, in the case where positioning of the mounting position is performed in a state where the construction material 37 is placed on the anti-slip member 9g of the work table main body 9, the travel operation means of the second operation means 40 provided on the work table main body 9 is used. The construction material 37 can be positioned at the mounting position without being held by the operator by changing the position of the traveling body 1 by operating 42 or the lifting operation means 43 or changing the height of the worktable body 9, and sliding Since the construction material 37 is not displaced or slipped off by the stop member 9g, even a heavy construction material 37 can be safely installed by one operator, and it can be lowered several times from the scaffold 48 and run. Since there is no need to change the position of the body 1 or the height of the workbench main body 9, work efficiency is improved and operator fatigue can be reduced.
Further, since the traveling body 1 can be stabilized by the outriggers 18 that are manually or automatically projected, the worktable main body 9 does not swing unsteadily during work, so that work at heights can be performed safely. Become.

On the other hand, FIG. 7 thru | or FIG. 9 shows the modification of the work-table main body 9, and demonstrates this modification next.
In the modification of the work table body 9 shown in FIG. 7, the vertical portion 9d of the fork 9b is provided with a plurality of, for example, three horizontal portions 9c. According to this modification, different types of construction are provided in each horizontal portion 9c. Since the materials 35 and the tools 35 can be placed separately, it is convenient when the construction materials 37 are transported by different types or when the different types of construction materials 37 are sequentially attached. Workability is also very good because it can be transported and lifted.
8 and FIG. 9 is a modification of the work table body 9 in which a part of the horizontal part 9c of the work table body 9 having a plurality of horizontal parts 9c shown in FIG. A substantially T-shaped engaging portion 9k is formed at the base end portion of the horizontal portion 9c, and a substantially T-shaped engaging groove 9m into which the engaging portion 9k can be fitted from the lateral direction on the vertical portion 9d side of the fork 9b. It is the structure which formed.
A fixing hole 9n is formed in the upper part of the engaging groove 9m, and a screw hole 9p is formed on the engaging part 9k side at a position matching the fixing hole 9n when the engaging part 9k is fitted in the engaging groove 9m. The base end of the horizontal portion 9c can be fixed to the vertical portion 9d of the fork 9b by screwing a fixing tool 49 such as a bolt inserted through the fixing hole 9n into the screw hole 9p.
According to the worktable main body 9 according to this modified example, the number of steps of the horizontal portion 9c can be increased or decreased according to the type and quantity of the construction material 37 used for the work, so the horizontal portion 9c that is not used during the work interferes with the work. There is nothing.

In the above embodiment, a power source such as a battery is used for power, but an engine may be used. Between the control means 6 provided on the traveling body 1 and the second operation means 40 on the workbench main body 9. You may connect wirelessly.
The working table body 9 is moved up and down and the outrigger 18 is put in and out with pressure oil. However, the working table body 9 may be electrically operated, and air-driven tools 35 are provided by air piping to the work table body 9. Can also be used.
Further, a counterweight may be attached to the rear portion of the traveling body 1 in order to stabilize when a heavy object is loaded on the workbench main body 9.

1 is a side view of a work vehicle provided with a workbench according to an embodiment of the present invention. 1 is a hydraulic circuit diagram of a work vehicle provided with a work table according to an embodiment of the present invention. 1 is a perspective view showing a work table of a work vehicle according to an embodiment of the present invention. It is a perspective view which shows the state which reversed the work table of the work vehicle which becomes embodiment of this invention. It is operation | movement description of the work vehicle provided with the work bench | platform which becomes embodiment of this invention. It is operation | movement description of the work vehicle provided with the work bench | platform which becomes embodiment of this invention. It is a perspective view which shows the modification of the work bench | platform of the working vehicle which becomes embodiment of this invention. It is a perspective view which shows the modification of the work bench | platform of the working vehicle which becomes embodiment of this invention. It is a principal part expansion perspective view which shows the modification of the work bench | platform of the working vehicle which becomes embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling body 8 Mast 9 Work implement main body 9a Elevating plate 9c Horizontal part 9d Vertical part 9f Receptacle 9g Anti-slip member 18 Outrigger 19 Operation means 35 Tool etc. 37 Construction materials

Claims (4)

  A self-propelled traveling body, a mast erected on the front of the traveling body, a work table body supported by the mast and attached to a lifting plate that can be lifted and lowered by lifting means, and on the traveling body side A work platform of a work vehicle provided with a traveling operation of the traveling body and an operation means for operating the lifting means, wherein the work platform main body is substantially L-shaped consisting of a horizontal portion and a vertical portion. A work vehicle work platform characterized in that the upper and lower surfaces of the horizontal portion are made reversible by being formed and rotatably supporting the vertical portion on the lifting plate.   The worktable of the work vehicle according to claim 1, wherein a receiving tray for storing a tool or the like and a non-slip member are provided on a lower surface of the horizontal portion.   The work vehicle work platform according to claim 1 or 2, wherein a plurality of horizontal portions are provided in the vertical portion, and a part of the horizontal portion is detachable from the vertical portion. A self-propelled traveling body, a mast erected on the front of the traveling body, a work table body supported by the mast and attached to a lifting plate that can be lifted and lowered by lifting means; A work vehicle provided with an outrigger that is installed so as to be able to be inserted and removed freely in the front-rear direction or in both directions, and an operating means that is provided on the traveling body side and that performs traveling operation of the traveling body, operation of the elevating means, and insertion and removal of the outrigger. The work table main body is formed in a substantially L-shape consisting of a horizontal portion and a vertical portion, and the vertical portion is rotatably supported on the lifting plate, whereby the upper and lower surfaces of the horizontal portion are And a work tray for a work vehicle, characterized in that a receiving tray for receiving a tool and a non-slip member are provided on the lower surface of the horizontal portion.

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