JP3760485B2 - Industrial vehicle battery mounting device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a battery mounting device for an industrial vehicle such as a forklift, and more particularly to a battery mounting device for a large vehicle for storing a battery in a battery mounting space formed on a side surface of a vehicle body.
[0002]
[Prior art]
FIG. 6 shows a large forklift having a mounting space for the battery B on the side of the vehicle body. In a large forklift provided with a cabin 2 at the front upper part of the vehicle body 1, the passenger 2 gets on and off using the step 3 set on the side surface of the vehicle body and the upper surface of the tank 4 of fuel or hydraulic oil. Yes. In the case of a large forklift, as shown in FIG. 7, the overhanging portion 2a from the vehicle body side surface of the cabin 2 installed on the front upper portion of the vehicle body 1 and the upper edge of the vehicle body frame 5 are extended sideways. By projecting the overhanging portion 5a so as to cover the inside of the tank 4 (on the vehicle body frame 5 side) above the upper surface 4a at a predetermined interval, a space portion S having a required height is formed. One to two batteries B are stored in the storage. The space S is a battery mounting space. The step 4b is the outer upper surface of the tank 4 that does not reach the overhanging portion 2a of the cabin 2 and the overhanging portion 5a of the vehicle body frame 5.
[0003]
FIG. 8 shows a conventional battery mounting apparatus for storing and fixing the battery B in the space S. As shown in the figure, a battery cradle 31 is placed on a plurality of seats 32 formed on the inner upper surface 4 a of the tank 4, that is, the battery mounting surface, and fastened with bolts 33, and the battery B is placed on the battery cradle 31. The battery B is fixed to the battery cradle 31 by a battery fixture including a lock bolt 34, an angle member 35, and a nut 36.
[0004]
[Problems to be solved by the invention]
However, in the case of the conventional battery-mounted device described above, for example, in order to replenish the battery B with battery fluid, the space between the upper surface of the battery B and the overhanging portion 2a of the cabin 2 or the overhanging portion 5a of the vehicle body frame 5 is used. Since the space is small, it is difficult to remove and install the cap of the liquid inlet, and there is a problem that the workability of the service work is poor, such as requiring a dedicated nozzle such as a funnel. In addition, when replacing the battery B, the battery B, which is a heavy object, must be transferred to the battery cradle 31 in a limited narrow space with the battery B fixture removed. There is a problem that the work is very troublesome.
[0005]
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a battery mounting device for an industrial vehicle that can easily perform battery service work and replacement work. is there.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention takes the following measures. That is, the invention of claim 1
A battery mounting space is formed between the vehicle body side upper surface of the tank installed on the side surface of the vehicle body, and the overhanging portion of the cabin and / or the overhanging portion of the vehicle body frame extending above the tank,
A battery mounting device for an industrial vehicle having a substantially flat outer upper surface that does not reach the protruding portion of the tank,
Installed between a battery cradle on which a battery can be placed, an upper surface of the tank on the vehicle body side, and the battery cradle, and the battery cradle is placed in and out of the battery mounting space in a direction parallel to the vehicle width direction. A pedestal moving means for moving;
A fixture that can fix the battery cradle stored in the battery mounting space to the storage position ;
The cradle moving means is composed of a guide rail provided on the upper surface side of the tank, and a plurality of guide rollers provided on the battery cradle and rolling along the guide rail,
The arrangement interval of the guide rollers arranged in the direction of entering and exiting the battery cradle is set larger than the length of the guide rail,
On the lower surface of the battery cradle, a pedestal capable of riding on the guide rail is provided between the guide rollers.
It is a battery mounting apparatus of an industrial vehicle.
[0007]
According to the invention of claim 1 configured as described above, when performing service work such as battery replenishment or replacement work, the battery stored in the battery mounting space is released from the fixing by the fixture, and then the battery The work can be performed by pulling the cradle from the battery mounting space to the substantially flat surface side of a wide space.
[0008]
The cradle moving means includes a guide rail provided on the upper surface side of the tank and a plurality of guide rollers provided on the battery cradle and rolling along the guide rail . Therefore, when the battery cradle is moved in and out of the battery mounting space, directivity is given to the direction of the loading and unloading by the guide rail and it can be smoothly moved in and out.
[0009]
Further, the arrangement interval of the guide rollers arranged in and out direction of the battery cradle, set larger than the length of the guide rail,
A pedestal that can be ridden on the guide rail between the guide rollers is provided on the lower surface of the battery cradle .
Therefore , in a state where the battery cradle is pushed into the battery mounting space and the battery is stored, the base of the battery cradle rides on the guide rail , and the guide roller floats from the upper surface of the tank. That is, when the battery is stored, the weight of the battery can be supported by the base of the battery cradle.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 4 shows a battery mounting space formed on the side surface of the vehicle body. A tank 4 for fuel or hydraulic oil is formed on the side surface of the vehicle body 1 on the outer surface side of the vehicle body frame 5, and a step 3 is provided on the lower side surface of the tank 4. The tank 4 and the step 3 are usually provided between the front and rear fenders.
[0011]
A cabin 2 is installed at the upper front side of the vehicle body 1 such that the left and right side surfaces of the cabin 2 and the upper edge of the vehicle body frame 5 are respectively covered on the upper surface of the inside of the tank 4 (the vehicle body frame 5 side) at a predetermined interval. The projecting portions 2a and 5a are formed by projecting in the direction, and a battery mounting space S having a required height is formed between the projecting portions 2a and 5a and the upper surface of the tank 4 below the projecting portions 2a and 5a. Thus, as for the upper surface of the tank 4, the inner upper surface corresponding to the projecting length of the projecting portions 2a and 5a is the battery mounting surface 4a, and the outer upper surface that the projecting portions 2a and 5a do not reach is flat. Step surface 4b.
[0012]
Next, a battery mounting apparatus for mounting the battery B in the battery mounting space S will be described with reference to FIGS. The battery mounting device includes a battery cradle 6 for mounting the battery B, and a cradle moving means for moving the battery cradle 6 in the vehicle width direction on the upper surface of the tank 4 to enter and exit the battery mounting space S; The battery B is composed of a fixture 18 for fixing the battery B together with the battery cradle 6 at the storage position.
[0013]
As shown in FIG. 5, the battery cradle 6 is formed of a rectangular flat plate suitable for mounting the battery B. The cradle moving means for moving the battery cradle 6 includes a pair of guide rollers 8 provided on the battery cradle 6, two side rollers 10, and a battery mounting surface 4 a of the tank 4. The guide rail 11 and the side rail 12 (see FIG. 4).
[0014]
The guide rollers 8 are attached to roller brackets 7 fixed to the four corners of the lower surface of the battery cradle 6 so as to be rotatable around a horizontal axis, and the side rollers 10 are formed on the back side of the battery cradle 6 in the direction of entry and exit. The left and right roller seats 9 are attached so as to be rotatable around the vertical axis. The guide rail 11 and the side rail 12 are fixed in parallel to the battery mounting surface 4a of the tank 4 in pairs, and the guide rail 11 has the upper surface as a rolling surface for the guide roller 8 and the guide rollers 8 at both ends. The slope is easy to climb .
[0015]
On the other hand, the side rail 12 uses the side surface as a rolling surface of the side roller 10 to regulate the lateral movement of the battery cradle 6 (in a direction perpendicular to the loading / unloading direction). It has a length to do. Further, a front end of the side rail 12 is provided with a stopper 12a bent into a substantially L-shape for restricting the drawing position when the battery cradle 6 is drawn by contacting the side roller 10.
[0016]
As shown in FIGS. 1 to 3, the arrangement interval of the guide rollers 8 in the entrance / exit direction is set to be larger than the length of the guide rail 11, and the lower surface between the guide rollers 8 in the entrance / exit direction of the battery cradle 6. Is provided with a pedestal 13 for supporting the weight of the battery (substituting for shoulder) by riding on the upper surface of the guide rail 11 when the battery cradle 6 is pushed into the battery mounting space S.
[0017]
That is, at the retracted position where the battery cradle 6 is pushed into the battery mounting space S, the guide roller 8 is removed from the guide rail 11 and at the same time, the pedestal 13 is placed on the upper surface of the guide rail 11 in a planar contact, and the guide The roller 8 is configured to float from the upper surface of the tank 4.
[0018]
The battery cradle 6 has an upward vertical plate 6a on the back side in the loading / unloading direction, and a handle 14 for loading / unloading operation on the near side. The vertical plate 6a functions not only for positioning the battery B placed on the battery cradle 6, but when the battery cradle 6 is pushed into the battery mounting space S, the vertical vertical wall of the battery mounting space S is The battery cradle 6 is positioned at a predetermined mounting position by coming into contact with a stopper 15 having an appropriate elasticity such as rubber provided on the vertical surface of the body frame 5 constituting the vehicle body frame 5. The stopper 15 is attached to a boss 16 welded to a vertical surface of the vehicle body frame 5 with a bolt 17.
[0019]
Moreover, the fixture 18 for fixing the battery B stored in the battery mounting space S for each battery cradle 6 storage position, as shown in FIGS. 1 and 5, the back side corner portion of the battery mounting space S Left and right battery lock hooks 19 that are fixed, left and right lock bolts 20 that are locked to one end thereof, and an angle that can be hooked to the upper edge of the front side of the battery B while being inserted into the lock bolt 20 A single abutting plate 21 and left and right nuts 22 for fastening the abutting plate 21 to the lock bolt 20.
[0020]
Next, the effect of the battery mounting apparatus comprised as mentioned above is demonstrated. FIG. 1 shows a state in which the battery B is stored in the battery mounting space S. In this stored state, the battery cradle 6 is positioned by the stopper 15 and fixed by the fixture 18 together with the battery B. At the time of storage, the pedestal 13 of the battery cradle 6 rides flat on the upper surface of the guide rail 11 and is flattened to receive the battery weight with a wide contact area, so that a stable fixed state can be obtained. Further, since the guide roller 8 floats from the upper surface of the tank 4, a burden of battery weight is only temporarily applied to the guide roller 8 when entering and exiting. Therefore, it is possible to reduce the wear of the guide roller 8 and improve the durability.
[0021]
On the other hand, when service work such as replenishment of battery fluid to battery B or replacement work of battery B is performed, battery 18 is mounted on battery B together with battery cradle 6 as shown in FIG. The space S is pulled out onto the step surface 4b of the tank 4. At this time, as shown in FIG. 3, the side roller 10 is battery cradle 6 abuts against the stopper 12a provided on the side rail 12 is restrained in the extended position.
[0022]
As described above, the battery mounting apparatus can draw out the battery B together with the battery cradle 6 to the step surface 4b side of the tank 4 and perform operations such as replenishment of battery liquid and battery replacement in a wide space. It is possible to perform the operation quickly and efficiently. Further, since the drawing position of the battery cradle 6 is regulated by the stopper 12a, the battery cradle 6 accidentally falls from the upper surface of the tank 4 during the operation. There is no fear. After the work is completed, the battery B is pushed into the battery mounting space S together with the battery cradle 6 and is fixed at the storage position by the fixture 18 as described above.
[0023]
In this embodiment, since the movement of the battery cradle 6 to and from the battery mounting space S is performed via the cradle moving means comprising the rollers 8 and 10 and the rails 11 and 12, the movement of the cradle 6 is performed. It can be carried out smoothly and lightly in a stable state.
[0024]
In addition, this invention is not limited to embodiment mentioned above, In the range which does not deviate from the summary, it can change suitably.
(1) While the side rail 12 described in the embodiment is omitted, the guide roller 8 is a roller with a hook, and the hook is applied to the side surface of the guide rail 11 to change the lateral deflection. May be. Further, the handle 14 for battery entry / exit may be provided on the side surface of the battery cradle 6 in the entry / exit direction.
(2) The fixture 18 is changed to a configuration for fixing the upper corner portion of the battery B, and the upper surface of the battery B is pressed and fixed toward the upper surface side of the tank 4 or the side surface of the battery B is pressed toward the body frame 5 side. It may be fixed.
(3) The stopper 12a for preventing the fall that restricts the drawing position of the battery cradle 6 may be provided on the battery mounting surface 4a.
[0025]
Although the embodiment of the present invention has been described above, it should be noted that this embodiment includes the following technical matters in addition to the technical matters described in the claims. .
1. 2. The structure according to claim 1, further comprising: a positioning stopper for restricting the battery cradle pushed into the battery storage space to a storage position, wherein the fixture presses and fixes the battery together with the battery cradle toward the stopper. Industrial vehicle battery-mounted device.
According to this, the battery and the battery cradle can be reliably and stably fixed at the predetermined storage position. Further, there is no need for a means for fixing the battery to the battery cradle, so that the number of parts related to the fixing can be reduced and the labor of attaching / detaching can be saved.
[0026]
2. The battery mounting device for an industrial vehicle according to claim 1, further comprising a stopper that restricts the battery receiving base to a drawing position when the battery receiving base is pulled out from the battery mounting space to a substantially flat surface of the tank.
According to this, it is possible to prevent the battery cradle from accidentally falling from the upper surface of the tank when the battery cradle is pulled out or during battery service work or replacement work.
[0027]
【The invention's effect】
As described above in detail, according to the present invention, when a battery service work or replacement work is performed, the battery is easily pulled out together with the battery cradle from the battery mounting space to the substantially flat surface side of the tank in a wide space. Since it can be performed, the operation can be performed quickly and efficiently.
Furthermore, the battery entry / exit operation with respect to the battery mounting space can be performed smoothly and lightly in a predetermined direction via a pedestal moving means including a guide rail and a guide roller.
Further , in a state where the battery is stored in the battery mounting space, the battery can be supported in a stable state, and the wear of the guide roller can be removed to reduce wear.
[Brief description of the drawings]
FIG. 1 is a side view showing a battery storage state of a battery-mounted device.
FIG. 2 is a side view showing a battery drawer state of the battery mounting device.
FIG. 3 is a plan view of the battery mounting device.
FIG. 4 is a perspective view showing a battery mounting space formed on a side surface of a vehicle body and a rail for guiding a battery cradle.
FIG. 5 is an exploded perspective view showing a battery cradle and its fixture.
FIG. 6 is a schematic side view of a large forklift having a battery mounting space on the side surface of the vehicle body.
FIG. 7 is a side view showing a battery mounting space.
FIG. 8 is a side view showing a conventional battery-mounted device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Car body 2 ... Cabin 2a ... Overhang | projection part 4 ... Tank 4a ... Battery mounting surface 4b ... Step surface 5 ... Body frame 5a ... Overhang part 6 ... Battery receiving stand 8 ... Guide roller 10 ... Side roller 11 ... Guide rail 12 ... Side rail 12a ... Stopper 13 ... Base 15 ... Stopper 18 ... Fixing tool

Claims (1)

A battery mounting space is formed between the vehicle body side upper surface of the tank installed on the side surface of the vehicle body, and the overhanging portion of the cabin and / or the overhanging portion of the vehicle body frame extending above the tank,
A battery mounting device for an industrial vehicle having a substantially flat outer upper surface that does not reach the protruding portion of the tank,
Installed between a battery cradle on which a battery can be placed, an upper surface of the tank on the vehicle body side, and the battery cradle, and the battery cradle is placed in and out of the battery mounting space in a direction parallel to the vehicle width direction. A pedestal moving means for moving;
A fixture that can fix the battery cradle stored in the battery mounting space to the storage position ;
The cradle moving means is composed of a guide rail provided on the upper surface side of the tank, and a plurality of guide rollers provided on the battery cradle and rolling along the guide rail,
The arrangement interval of the guide rollers arranged in the direction of entering and exiting the battery cradle is set larger than the length of the guide rail,
A battery mounting device for an industrial vehicle , wherein a pedestal that can run on the guide rail is provided between the guide rollers on a lower surface of the battery cradle .

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