JP2551093B2 - Battery transfer device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery transfer device that is attached to a battery vehicle to transfer a battery when the battery is attached or detached.

[Conventional technology]

In battery-powered vehicles including unmanned guided vehicles, it is necessary to remove the battery from the vehicle in order to replace and inspect the battery, and depending on the vehicle model, charge the battery and replenish the battery fluid. A battery carrier C as shown in FIG. 5 is used.

The battery carrier C described above is a transfer table in the form of a long plate.
A plurality of rollers 32 arranged in the longitudinal direction with respect to 31 are provided to form a battery transfer path 33, and casters are provided on the legs 34 of the transfer table 31.
It is configured by mounting 35. When the battery B is removed from the vehicle M, the carrier C is moved to the vehicle M side, and the battery mounting portion 36 of the vehicle M and the carrier C are moved.
Battery transfer path 33 of the mounting portion 36 and the transfer path
The battery B is moved on the rollers 32 and 37 provided on the 33.

[Problems to be Solved by the Invention]

The height of the carrier C may be slightly different due to wear of the casters 35, unevenness of the road surface, or the like.
Also in the vehicle M, there are subtle fluctuations in height for the same reason. Therefore, the height H of the upper end of the roller 37 of the vehicle M,
A difference x is generated between the carrier C and the height H'of the upper end of the roller 32, and when the transfer path 33 is connected to the mounting portion 36, a small step is formed at the connecting portion.

The battery B mounted on the battery vehicle is extremely heavy, and some of them reach 1 ton. Therefore, the above-mentioned step becomes a big obstacle, the transfer path 33 and the mounting portion 36 cannot be smoothly moved, and a difficult work requiring a large force to transfer the battery B is forced.

The present invention has been made to solve the above-mentioned problems, and an object of the invention is to transfer a battery to a battery vehicle so that the battery can always be transferred smoothly and easily. To provide a device.

[Means for solving problems]

In order to solve the above-mentioned problems, the present invention is a battery transfer device comprising a transfer base horizontally connected to a battery mounting portion of a battery vehicle for transferring the battery, wherein the transfer base is provided with a battery. One end of a mounting member mounted between the mounting portion and the transfer table is rotatably supported in the vertical direction,
A state in which a locking portion is provided on at least one of the other end of the body member and the battery car, and the body member is rotated in the vertical direction so that the body member is locked to the battery car by the locking portion. Then, the gist is that the mounting member absorbs the difference in height of the moving path of the battery.

[Action]

According to the present invention, by adopting the above-mentioned means, the body member provided on the transfer table is rotated, and when the other end of the body member and the battery wheel are locked by the locking portion, the battery is The height difference of the moving path of the battery between the mounting portion and the transfer table is reliably absorbed by the body member. As a result, when attaching / detaching the battery to / from the battery vehicle, the battery can always be smoothly and easily transferred, and the preparatory work for that is also performed by rotating the bodywork member and locking it as described above. It is simple because it is only locked by the parts, and it is also advantageous in terms of cost because the structure is simple.

〔Example〕

An embodiment of the battery transfer device according to the present invention will be described below with reference to FIGS.

In FIG. 1, the unmanned battery vehicle 1 travels by the electric power of the battery B held in the battery mounting portion 2 along a track set in advance by burying a guide wire in the floor F. As shown in FIG. 2, the battery mounting portion 2 is formed by arranging a plurality of rollers 4 between a pair of guide rails 3 extending in parallel with the width direction of the vehicle. Is placed. The battery B is held immovably by the battery stopper 5, and the stopper 5 is rotated to be retracted from above the mounting portion 2 as shown by the chain double-dashed line (FIG. 1). The battery B moves on the roller 4 by pulling the gripping tool 6 attached to the side surface by hand. A hook insertion hole 20a as a locking portion is formed between the front end portions of both guide rails 3.

As shown in FIGS. 2 and 3, a battery carrier C is arranged adjacent to the battery mounting portion 2 of the battery vehicle 1, and as a height difference absorbing means rotatably attached to the end portion of the battery vehicle 1 side. The arm-shaped body member 7 is a carrier C.
On the other hand, by being held by the fasteners 8 (see FIG. 3), they are held in the upright retracted position. Similar to the mounting portion 2 of the battery car 1, the carrier C is provided with a pair of guide rails 9 extending in parallel with a plurality of rollers 9a arranged at equal intervals in the longitudinal direction to form a transfer table 10. , Steps 11 are provided on both sides of this along the length direction. The transfer table 10 is provided with four bolt mounting portions 12 (only two are shown) on the lower surface thereof, and the height of the transfer table 10 is adjusted by adjusting the support bolts 13 screwed into the mounting portions 12. Is adjustable.

And, as shown in FIG. 2 in particular, a holding shaft 14 is mounted on both guide rails 9 of the carrier C at substantially central portions in the longitudinal direction thereof, and the holding shaft 14 is provided with a holding shaft 14 as shown in FIG. The rear ends of the pair of levers 15 extending forward are rotatably fitted on the outer ends of the levers. A support piece 14a is formed at the front end (right end) of both guide rails 9 and projects obliquely downward.

In addition, the bodywork member 7 includes a pair of parallel guide rails 16
A plurality of rollers 17 are arranged at equal intervals in the longitudinal direction of the guide rail 16, and a mounting portion 18 projecting forward is formed at the rear end portion of both guide rails 16. Further, a handle 19 is attached to each of the front portions of the guide rails 16, and a hook 20 serving as a locking portion formed by bending a metal plate into a hook shape on a plate material hung between the front ends of both guide rails 16. Is provided.

A rotating shaft 21 is hooked and fixed between both mounting portions 18 of the body member 7, and the mounting portion 18 is mounted on the supporting piece 14a of the carrier C by the rotating shaft 21 via the rotating shaft 21. As a result, the bodywork member 7 rotates with respect to the carrier C. Then, the rotating shaft 21 is provided with a pair of biasing levers.
One end 22a is fixed, and the other end of each biasing lever 22 is movably fitted to the lever 15 on the carrier C side.
Is rotatably connected to. One end of the lever 15 is supported by the rear end of the lever 15, and the push spring 23 wound around the lever 15 presses the urging bar 22. As shown in FIG.
Is in the bodywork position, the pivot shaft
By applying a counterclockwise rotating force to 21, it is possible to easily move the mounting member 7 from the mounting position to the retracted position shown in FIG. 3 by a manual operation.

The battery car 1, the carrier C and the body member 7
The distances between the guide rails 3, 9 and 16 are set to be equal, and when the battery vehicle 1 and the carrier C are connected through the body member 7 held at the body position, these guide rails 3, 9, and At 16, a battery transfer path of constant width is formed. The battery car 1 and the carrier C are arranged on the same plane, and the heights of the surfaces of the rollers 4, 9a, 17 in contact with the battery B when the battery B is transferred are set to be the same. The battery B can be smoothly moved on the road.

In order to replace the battery B due to exhaustion of the battery B or the like, the battery vehicle 1 is stopped at a predetermined position near the carrier C. After that, the fastener 8 of the carrier C is removed, and the handle 19 of the body member 7 in the retracted position is pulled downward. Then, the mounting member 7 moves to the mounting position while raising the other end of the biasing bar 22 along the lever 15 against the biasing force of the push spring 23 applied to the rotating shaft 21. Then, the hook 20 of the body member 7 is engaged with the hook insertion hole 20a of the battery vehicle 1, and the body member 7 is connected to the battery mounting portion 2.

In the above state, rotate the stopper 5 of the battery car 1,
After unlocking the battery B, the grip 6 of the battery B is pulled toward the carrier C. Then, the battery B moves on the roller 4 between the guide rails 3 of the mounting portion 2 and reaches on the body member 7. When the holding tool 6 of the battery B is still pulled, the battery B moves on the roller 9a between the guide rails 9 and on the roller 17 between the guide rails 16 of the carrier C, and then is replaced with a new battery. .

After that, the replaced battery is moved in the opposite direction to the above and placed on the mounting portion 2 of the battery vehicle 1,
It is locked by the stopper 5.

When the battery B is transferred as described above, the battery vehicle 1
If the overall height of the battery vehicle 1 is slightly different due to wheel wear, road surface irregularities, etc., there will be a difference in height between the mounting portion 2 of the battery vehicle 1 and the rollers 4, 17 of the carrier C. In this case, since the bodywork member 7 provided on the carrier C is vertically rotatable, the height difference between the rollers 4 and 7 can be absorbed, and the bodywork member 7 can be rotated. The height difference between the rollers 4 and 7 can be absorbed by a very simple preparatory work of moving the hook 20 into the hook engaging hole 20a of the battery vehicle 1 and thus the conventional example. As described above, not only the movement of the battery B is not hindered by the step, but also the preparatory work is extremely simple. Further, since the body member 7 is supported so as to be rotatable in the vertical direction with respect to the carrier C, and only the hooks 20 and the hook engaging holes 20a are formed, the locking portions are formed.
The structure is simple and cost effective.

In addition, this embodiment can also be implemented by the following modes.

It is applied to other industrial transport vehicles such as battery-powered forklifts instead of unmanned battery vehicles.

The hook 20 and the hook hole 20a are omitted, and another locking mechanism is adopted.

As the support mechanism of the carrier C, a leg body having casters is adopted instead of the support bolt 13.

〔The invention's effect〕

As described above in detail, according to the present invention, when the battery is attached to or detached from the battery vehicle, the battery can be always transferred smoothly and easily, and the preparation work therefor is also easy. Further, the structure is simple, so that it has an excellent effect that it is advantageous in terms of cost.

[Brief description of drawings]

FIG. 1 is a side view showing an unmanned battery vehicle, FIG. 2 is a plan view showing a battery carrier holding a mounting member in a retracted position, FIG. 3 is a front view thereof, and FIG. 4 is a rotation of the mounting member. FIG. 5 is a front view showing the battery carrier held in the position, and FIG. 5 is a front view showing a conventional example. Battery vehicle 1, battery mounting part 2, body member 7, transfer table
10, battery B, hook 20 as a locking portion, and hook insertion hole 20a.

Claims (1)

(57) [Claims] 1. A battery transfer device comprising a transfer stand horizontally connected to a battery mount part of a battery vehicle to transfer the battery, wherein the transfer stand is mounted between the battery mount part and the transfer stand. One end of the body member to be mounted is rotatably supported in the vertical direction, and a locking portion is provided on at least one of the other end of the body member and the battery car to rotate the body member in the vertical direction. The battery transfer device is configured to absorb the height difference of the moving path of the battery by the mounting member when the mounting member is locked to the battery vehicle by the locking portion.