JP2564926Y2 - Work trolley - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work cart provided on an assembly line of a vehicle such as a motorcycle, in which a vehicle to be assembled is installed.

[0002]

2. Description of the Related Art Conventionally, in an assembly line for assembling vehicles such as motorcycles and small vehicles, the vehicles to be assembled include:
It was installed on a dedicated work vehicle corresponding to the type of the vehicle, and workers performed various assembling operations on the vehicle installed on the dedicated work vehicle.

[0003]

The above-mentioned work cart is specially made according to the size, type, number of wheels, etc. of the vehicle to be assembled. That is, the work cart is used when assembling another vehicle. It is not possible to use a vehicle, so in a factory that assembles various types of vehicles on one line, it is necessary to prepare various types of work vehicles corresponding to each type of vehicle.
There was a problem that the work cart had to be changed. Further, it has been difficult to secure a storage place for various types of operation vehicles or to manage these various types of operation vehicles in a factory.

[0004] The present invention has been made in view of the above circumstances, and it is possible to reduce the equipment cost of an assembly line of a vehicle, and at the same time, to provide a work truck excellent in versatility that is easy to secure or manage a storage place. It is intended to provide.

[0005]

The work cart according to the first invention is a work cart on which the vehicle is installed when assembling the vehicle in each step. A substantially horizontal work plate provided with a plurality of positioning holes for positioning and fixing the jig supporting the vehicle, and a horizontal axis at one side of the front and rear portions of the gantry. is rotatably supported about, and a rotating operation industry plate wheel holder is provided for holding the wheels of a vehicle to be installed in the working plate on one side, the other side in the front and rear of the frame And an extension work plate that is provided so as to be able to protrude and retract in the front-rear direction of the gantry, and that forms an approximately horizontal extension surface connected to the work plate when protruding from the gantry.

According to a second aspect of the present invention, a work cart according to the first invention comprises a base and a gantry body provided on the base, and the gantry body is provided between the base and the gantry body. Is provided with an elevating mechanism for elevating and lowering.

[0007]

According to the work cart of the first invention, the size, type,
Various vehicles having different numbers of wheels or the like can be installed on the work board of the work vehicle. For example, in the case of a motorcycle, the rotating work plate is turned so that the surface on which the wheel holders are provided is directed upward, and the rear wheels of the motorcycle are held by the wheel holders. Is very easily installed on the work board. In addition, for example, when a tractor or the like is installed on a work cart, the turning work plate of the work cart is turned, and the wheel holder of the turning work plate is directed downward, so that the upper surface of the work cart is Into a flat state, and further, insert a positioning pin of a jig into a positioning hole of the work plate, and install the jig on the work carriage. The vehicle can be supported above. Further, by protruding the extension work plate to one side of the gantry, the installation area of the vehicle is expanded, and a large vehicle can be installed.

Further, according to the work cart of the second invention, the gantry main body is moved up and down with respect to the base by the elevating mechanism, so that the vehicle installed on the work board is arranged at a height at which work can be easily performed. It becomes possible.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a work cart according to the present invention; In FIG. 1, reference numeral 1 denotes a work cart. A plurality of casters 3, 3 are provided on a lower surface side of the gantry 2 constituting the work vehicle 1, and the gantry 2 can run by the casters 3, 3. In addition, a plurality of positioning holes 4, 4,
Are provided, and positioning pins 6a of jigs 6 corresponding to various vehicles are inserted into these positioning holes 4, 4,. It is arranged so as to be positioned on the upper surface side of the.

On the rear side of the work cart 1, there is provided, on one surface, a turning work plate 8 to which wheel holders 7 for holding wheels of the motorcycle are attached. The plate 8 is supported rotatably about the axis of a shaft 9 horizontally supported in the longitudinal direction of the work vehicle 1. That is, a state in which the wheel holder 7 for holding the wheels of the motorcycle is installed on the upper surface on the rear side of the work vehicle 1 by rotating the rotation work plate 8 and turning one surface upward. Becomes The other surface of the rotating work plate 8 is a smooth surface, and a plurality of positioning holes 4 are formed similarly to the work plate 5. The gantry 2 is provided with a lock mechanism (not shown) for horizontally supporting the rotating work plate 8. As shown in FIG. 2, a drawer 11 formed in a U-shape in plan view is provided on the front side of the work vehicle 1 so as to be slidable in the front-rear direction of the gantry 2. And
By pulling out the drawer 11 toward the front of the gantry 2, the drawer 11 is projected forward of the gantry 2,
By moving the drawer unit 11 to the rear side of the gantry 2, the drawer unit 11 is housed inside the gantry 2.

An extension work plate 12 is connected to the front end of the work plate 5 of the work carriage 1 by hinges 13, 13. Drawer 1 pulled out to the front side of gantry 2 by rotating to the front side of gantry 2
1. That is, the drawer portion 11 is pulled out forward, and further, the extended work plate 12 is rotated forward, and the extended work plate 12 is pulled out of the drawer portion 11.
By installing it on the upper side, the area of the upper surface side of the work vehicle 1 can be enlarged. A plurality of positioning holes 4, 4,... Are formed in the extended work plate 12 as well as the work plate 5, and when the extended work plate 12 is superimposed on the work plate 5, the extended work plate 12 Are formed so as to communicate with the positioning holes 4, 4... Formed in the work plate 5.

The inside of the gantry 2 is a storage section 14 for storing various jigs, tools, and the like. In addition, a brush 15 is provided at the lower end on the front side and the rear side of the gantry 2.
Are provided to prevent foreign substances from entering rolling points of the casters 3 when the work cart 1 is moved. A connecting pin 1 is provided on the front side of the gantry 2.
7 is provided, and by connecting the connecting pin 17 to a connecting point of a conveyor device or the like, the work vehicle 1
Are moved by a conveyor.

Next, an example of use of the work cart 1 having the above configuration will be described. (1) In the case of a small motorcycle First, when this work vehicle 1 is used as a work vehicle for assembling a small motorcycle, the rotating work plate 8 is rotated to hold the wheel as shown in FIG. The tool 7 is installed facing upward. The drawer 11 is stored in the gantry 2, and the extension work plate 12 is placed on the work plate 5. In this state, the small motorcycle is placed on the work vehicle 1 and placed with the rear wheel held by the wheel holder 7. Then, the work of each process is performed on the motorcycle installed on the work vehicle 1, and after the work is completed, the work vehicle 1 is moved to the work place of the next process by the conveyor device or the like, and the work of the next process is performed. .

(2) In the case of a large motorcycle As shown in FIG. 4, the drawer section 11 housed in the gantry 2 is pulled out and fixed to the front of the work cart 1, and the extended work plate 12 is hinged. And is mounted on the drawer 11 already pulled out. In this state, a large motorcycle is placed on the work vehicle 1 and placed with the rear wheel held by the wheel holder 7. Then, the work of each process is performed on the motorcycle installed on the work vehicle 1, and after the work is completed, the work vehicle 1 is moved to the work place of the next process by a conveyor device or the like, and the work of the next process is performed. .

(3) In the case of a vehicle such as a small tractor As shown in FIG. 5, the extension work plate 12 is rotated toward the work plate 5, and the drawer 11 is stored in the gantry 2.
The rotating work plate 8 is rotated so that the wheel holder 7 is positioned downward, and the other surface of the rotating work plate 8 is flush with the work plate 5. Then, the jigs 6, 6 stored in the storage section 14 are taken out, and the positioning pins 6 a of the jig 6 are inserted into the positioning holes 4, 4 formed in the work plate 5 or the rotary work plate 8.
6a is inserted, and the jig 6 is set in a predetermined place.

The jigs 6, 6 support the vehicle above the work cart 1, carry out the work of each process on the vehicle, and after the work is completed, move the work cart 1 to the work place of the next process. It is moved by an apparatus or the like to perform the work of the next step. In the case of a large tractor, the drawer portion 11 is pulled out forward and the extension work plate 1
3 is rotated and mounted on the drawn-out portion 11, so that the area of the upper surface side of the work vehicle 1 is enlarged.

As described above, according to the work cart 1 of the above-described embodiment, even if there are many types of vehicles to be worked on, the type, size, number of wheels, etc. of each vehicle can be extremely easily adjusted. These various types of vehicles can be installed. That is, it is possible to eliminate the need for a dedicated work vehicle corresponding to the type of each vehicle, thereby greatly reducing equipment costs and easily securing or managing a storage place. Further, since the work cart 1 itself is movably supported by the casters 3, it is possible to extremely easily move to the work place in the next process after the work is completed.

As shown in FIG. 6 and FIG. 7, the gantry 2 constituting the work cart 1 is composed of a base 22 and this base 22.
Is divided into a gantry body 21 provided at the upper part of the vehicle, and lifting mechanisms 23, 23 composed of hydraulic cylinders and the like are provided therebetween, so that the type of work, the type of vehicle, the height of the worker, etc. In addition, the vehicle installed on the work plate 5 can be raised and lowered, and the efficiency of the assembling work can be further improved. Further, the vehicle that can be installed on the work vehicle 1 of the above embodiment is not limited to the embodiment, and it is needless to say that a small four-wheeled vehicle can be installed, for example.

[0019]

As described above, according to the work cart of the present invention, the following effects can be obtained. According to the first invention, even if there are many types of vehicles to be worked on, these various types of vehicles can be installed in a very easy manner according to the type, size, number of wheels, etc. of each vehicle. . That is, it is possible to eliminate the need for a dedicated work vehicle corresponding to the type of each vehicle, thereby greatly reducing equipment costs and easily securing or managing a storage place. According to the second invention,
By the lifting mechanism, the vehicle installed on the work board can be adjusted to a height at which work can be easily performed, and work efficiency can be greatly improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a work vehicle explaining a structure and a structure of the work vehicle according to an embodiment of the present invention;

FIG. 2 is a perspective view of a part of the work vehicle illustrating a structure and a structure of the work vehicle according to the embodiment of the present invention;

FIG. 3 is a schematic side view of the work vehicle on which the vehicle is installed, illustrating an example of use of the work vehicle according to the embodiment of the present invention.

FIG. 4 is a schematic side view of the work vehicle on which the vehicle is installed, illustrating an example of use of the work vehicle of the embodiment of the present invention.

FIG. 5 is a schematic side view of the work vehicle on which the vehicle is installed, illustrating an example of use of the work vehicle according to the embodiment of the present invention.

FIG. 6 is a side view of a work vehicle on which a vehicle is installed for explaining the structure and functions of the work vehicle according to another embodiment of the present invention.

FIG. 7 is a side view of a work vehicle on which a vehicle is installed for explaining the structure and functions of the work vehicle according to another embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 work cart 2 gantry 3 caster 4 positioning hole 5 work plate 6 jig 7 wheel holder 8 rotating work plate 11 drawer 12 expansion work plate 21 gantry body 22 base 23 lifting mechanism

Claims (2)

(57) [Scope of request for utility model registration] 1. A work vehicle on which a vehicle is installed when assembling the vehicle in each step, comprising: a movable mount; and a jig provided on an upper portion of the mount and supporting the vehicle. A substantially horizontal work plate formed with a plurality of positioning holes for positioning and fixing, and one side of the front and rear portions of the gantry is supported rotatably about a horizontal axis and has one surface wherein the work surface rotating operation industry wheel holder is provided for holding the wheels of a vehicle to be installed on the board at the front and rear portions of the other side in the frame, provided retractably in the front-rear direction of the frame to the When protruding from the gantry,
A work carriage comprising: an extended work plate that forms a substantially horizontal extended surface connected to the work plate. 2. The gantry comprises a base and a gantry main body provided on the base, and an elevating mechanism for raising and lowering the gantry main body is provided between the base and the gantry main body. The work cart according to claim 1, wherein: