JPH06226656A - Working truck - Google Patents

Abstract

PURPOSE:To change the height position and angle position of a product easily and automatically after positioning the product. CONSTITUTION:This working truck is constituted in such a way as to be capable of fixing a heavy product 10 into the fixed height and angle positions. A placing table 15 for fixing the product 10 is freely elevated in relation to bases 11, 12 and also supported rotatably. This truck is also provided with an elevating device 16 for elevating the placing table 15, and a rotatory-driving device for rotating the placing table 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work trolley, and in particular, when a heavy product such as a switchboard or a control panel is placed on the work dolly, the height of the product can be placed at a position where it is easy to work such as assembling parts and wiring. Further, the present invention relates to a work carriage configured so that the angular position can be adjusted.

[0002]

2. Description of the Related Art FIGS. 5 and 6 show the structure of a conventional work carriage. FIG. 5 is a side view of the work cart, and FIG.
It is a B'figure. In these drawings, reference numeral 1 is a product such as a switchboard or a control panel. This product 1
It is mounted on the plate 2 which is supported so as to be rotatable. The plate 2 is supported by a column 4 standing on a base 3 via a shaft 5. In this case, in the work trolley, the bolt holes 7, 7, ..., into which the stopper bolts 6 can be inserted, are provided in the shaft 5 so that the product 1 which is a large heavy object can be assembled in a work posture in which it is easy to work. A plurality are radially provided at positions equidistant from. Therefore, the bolt hole 7 into which the stopper bolt 6 is inserted,
By changing the positions of 7, ..., The angle of the plate 2 with respect to the horizontal plane can be adjusted. In FIGS. 5 and 6, reference numeral 8 indicates a caster for facilitating the movement of the carriage.

[0003]

However, in the conventional work carriage, when the angular position of the product 1 is changed after fixing the product 1, the product 1 may be a heavy object, The product is temporarily lifted up from the plate 2 using a crane or a hoist, then the plate 2 is tilted, the positions of the bolt holes are aligned, and the stopper bolt 7 is inserted. Therefore, once the angle of the plate 2 is determined, it is not easy to change the positioning after that, and in reality, most of the plate positions are used in a fixed state.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art and to automatically change the height position and the angular position of the product after positioning the product. To provide a work trolley.

[0005]

In order to achieve the above object, the present invention provides a work platform in which a heavy product can be fixed at a fixed height position and fixed angular position. It is characterized in that it is equipped with a lifting device for vertically moving and rotatably supporting the base, and for raising and lowering the mounting table, and a rotation drive device for rotating the mounting table.

[0006]

According to the present invention, when the height position of the product is changed after the product is fixed to the mounting table, the elevating device is operated to move the product up and down together with the mounting table. Further, when changing the angular position of the product, the rotation torque of the rotary drive device is transmitted and the mounting table rotates by a predetermined angle for each product. Therefore, it is a heavy object as necessary when incorporating parts into the product and wiring work. The height and angle of the product can be easily adjusted to a position where it is easy to work, greatly improving workability.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a work carriage according to the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a partial cross-sectional side view showing the configuration of the work carriage according to the present embodiment, and FIG. 2 is a view taken along the line AA ′ of the work carriage. Reference numeral 10 is a heavy-weight component such as a switchboard or a control panel that is mounted on a work cart for assembly and wiring of components. Reference numeral 11 is a base stand 11
Then, the base 11 and the side plate 12 form a housing-shaped base. In this embodiment, the base 11 is fixed to the working position by the legs 13.

On the other hand, a frame type supporting member 14 is attached so as to surround the lower side of the product 10. Product 10
The required number of rollers 16 is mounted on the mounting table 15 for fixing and positioning the
Are attached, and the frame-type support member 14 is supported via rollers 16. Therefore, the product 10 is configured to be easily loaded and unloaded before and after the assembly work. Further, the mounting table 15 is rotatably supported via a shaft 17 and is further connected to an elevating device to be described later so that it can be moved up and down.

The lifting device has a cylinder 18 as a drive source, and the cylinder 18 is swingably connected to a bracket 11a integral with the base 11 via a pin 19. The piston rod 20 of the cylinder 18 is connected to a frame 21 that is integral with the mounting table 15. Also,
The guide rail 22 serves as a guide for lifting and lowering the side plate 12.
And a bearing block 24 integral with the mounting table 15 is slidably engaged with the guide rail 22.

On the other hand, a worm wheel 26 is attached to the shaft 17, and the worm wheel 2
Mounting table 15 with worm 27 that meshes with 6 as an element
The rotation drive device for rotating the is configured as follows.

That is, in FIG. 2, reference numeral 28 is a motor as a rotary drive source, and a sprocket 30 on the drive side is attached to the output shaft of the motor 28, while a sprocket 32 on the driven side of the rotary shaft 31 of the worm 27 is attached. Are connected. A chain 33 is stretched between the sprocket 30 on the driving side and the sprocket 32 on the driven side. Therefore, the rotation torque of the motor 28 is transmitted through the chain 33 and the worm 27, and the mounting table 15 is centered on the shaft 17. It is configured to rotate as.

The present embodiment is configured as described above, and its operation will be described below with reference to FIGS. 3 and 4. First, as shown in FIG. 3, when the product 10 is fixed to the mounting table 15, the mounting table 15 is set in a horizontal position. In this state, the product 10 is carried in while rolling on the rollers 16 and then fixed by using the positioning bolts 35. However, depending on the content of the parts assembly and wiring work on the product 10, the workability may be poor if the product 10 remains fixed in a horizontal position. At such times,
The case of lifting the product 10 to a high position will be described. When the cylinder 18 is activated, the piston rod 20 of the cylinder 18 extends and the cylinder 1
As shown in FIG. 4, the guide rail 22 with which the bearing block 23 engages is used as a guide by the force of 8 for the product 1
The mounting table 15 is pushed up by 0.

Next, with the product 10 pushed up, the motor 2
When 8 is driven, the rotation torque of the motor 28 is transmitted to the rotation shaft of the worm 27 via the chain 33, and the worm 27 rotates the worm wheel 26, so that the mounting table 15 having the shaft 17 as the rotation shaft is moved. Product 1
Rotate every 0.

Therefore, the worker can fix the product 10 at the position shown by the alternate long and short dash line in FIG. 4 and assemble the parts with good workability, and perform the wiring work.

By rotating the motor 28 in the normal or reverse direction, the angular position of the product 10 can be arbitrarily and repeatedly determined in either the clockwise or counterclockwise direction in the figure. Moreover, such a change in the height position and the angle position of the product 10 does not require the troublesome work of lifting the product with a crane or the like as in the past, and can be repeated as necessary during the work. You can

When the assembly work is completed, the mounting table 15 is moved to the position shown in FIG.
Return to the initial height position and horizontal position shown in
By removing the bolts 35 that fix the product 10, the product 10 can freely move on the mounting table 15 via the rollers 16, so that the assembled product 10 can be easily carried out. Therefore, by arranging a plurality of work carriages in combination, for example, a work method such as a sinking work method is possible, which contributes to labor saving in the manufacturing process.

[0017]

As is apparent from the above description, according to the present invention, the mounting table for fixing the product is vertically movable and rotatably supported with respect to the base, and the mounting table is vertically moved. Since it is equipped with a lifting device and a rotation drive device that rotates the mounting table,
Since the height position and the angle position of a heavy product can be easily adjusted to a position where it is easy to work during wiring work, workability is significantly improved.

[Brief description of drawings]

FIG. 1 is a side view showing a configuration of an embodiment of a work carriage according to the present invention.

FIG. 2 is a view taken along the line A-A ′ in FIG.

FIG. 3 is a diagram for explaining the operation of the work carriage according to the embodiment,
The front view which showed the state which fixed the product 10 to the mounting base of a trolley | bogie.

FIG. 4 is a view for explaining the action of the work carriage according to the embodiment,
The front view showing the operation of raising and lowering and reversing the mounting table of the cart.

FIG. 5 is a side view showing a configuration of a conventional work cart.

FIG. 6 is a view B-B ′ of a conventional work truck.

[Explanation of symbols]

 10 product 10 11 base stand 12 side plate 13 leg 14 frame type support member 15 mounting stand 16 cylinder 17 shaft 20 piston rod 21 frame 22 guide rail 23 bearing block 25 worm wheel 26 worm 28 motor 30 drive side sprocket 31 worm rotation shaft 32 Sprocket on driven side 33 Chain

Claims (1)

[Claims] 1. In a work trolley in which a heavy product can be fixed at a fixed height position and fixed angular position, a mounting table for fixing the product can be raised and lowered with respect to a base and rotatably supported. In addition, a work carriage comprising an elevating device for raising and lowering the mounting table and a rotation drive device for rotating the mounting table.