JPH0948297A - Battery loading device of industrial vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery loading device of an industrial vehicle which can perform the service work and exchange work such as replenishment of battery liquid easily. SOLUTION: In an industrial vehicle in which a battery loading space S is formed by a top face on the car body side of a tank 4 provided on a side of a car body, arm overhanging section 2a of a cabin 2 which overhangs above the top face on the car body side of time tank 4, and an overhanging section 5a of a car body frame 5 and a top face on the outside which the overhanging sections 2a, 5a of the tank 4 do not reach is used as a step face 4b, a battery receive base 6 for loading battery B which is stored in the battery loading space S and fixed by a fixing tool is provided with a roller 8. In a condition in which fixing by the fixing tool is released, the battery B including the battery receive base 6 is pulled out on the step face 4b side of the tank 4 by using a rail 11 provided on a top face of the tank on the battery loading space S side as a guide member so that the service work and exchange work of the battery B can be performed in a wide space.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field 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]

2. Description of the Related Art FIG. 6 shows a large forklift having a space for mounting a battery B on the side surface of a vehicle body. Body 1
In a large-sized forklift having the cabin 2 at the front upper part thereof, getting on and off the cabin 2 is performed by using the step 3 set on the side surface of the vehicle body and the upper surface of the fuel or hydraulic oil tank 4. In the case of a large-sized forklift, as shown in FIG. 7, the cabin 2 installed on the upper front side of the vehicle body 1 is formed by extending the projecting portion 2a from the vehicle body side surface and the upper edge of the vehicle body frame 5 laterally. Overhang 5
a is the upper surface 4 inside the tank 4 (on the side of the vehicle body frame 5)
A space S having a required height is formed by overhanging a so as to cover the space a at a predetermined interval.
~ 2 batteries B are stored. The outer surface of the tank 2 which is not covered by the projecting portion 2a of the cabin 2 and the projecting portion 5a of the vehicle body frame 5 is the step surface 4
b.

FIG. 8 shows a conventional battery mounting apparatus for storing and fixing the battery B in the space S. As shown in the figure, the battery pedestal 3 is attached to the plurality of seats 32 formed on the inner upper surface 4a of the tank 4, that is, the battery mounting surface.
1 is mounted and fastened with bolts 33, and the battery receiving base 3
The battery B is mounted on the battery holder 1, and the battery B is fixed to the battery pedestal 31 by a battery fixing tool including a lock bolt 34, an angle member 35, and a nut 36.

[0004]

However, in the case of the above-described conventional battery-equipped device, for example, in order to replenish the battery liquid with the battery B, the upper surface of the battery B and the overhanging portion 2a of the cabin 2 or the vehicle body frame 5 are to be solved. Since the space between the cap and the overhanging portion 5a is narrow, it is difficult to attach and detach the cap of the liquid injection port, and a dedicated nozzle such as a funnel is required, resulting in poor workability of service work. There is. Further, when the battery B is replaced, the battery B, which is a considerable weight, must be replaced on the battery pedestal 31 in a limited narrow space with the fixture for the battery B removed. There is a problem that the work is very troublesome.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a battery mounting device for an industrial vehicle that can easily perform service work or replacement work of a battery. To do.

[0006]

In order to solve the above problems, the present invention takes the following means. That is, claim 1
In the invention of claim 1, a battery mounting space is formed between a vehicle body side upper surface of a tank installed on the side surface of the vehicle body, and a cabin protruding portion and / or a vehicle body frame protruding portion above the tank. A battery-mounted device for an industrial vehicle, the outer upper surface of which is not covered by the above-mentioned overhanging portion is a substantially flat surface,
It is installed between a battery pedestal on which a battery can be placed, the vehicle body side upper surface of the tank, and the battery pedestal, and the battery pedestal is moved in and out of the battery mounting space in a direction parallel to the vehicle width direction. It is characterized by comprising a cradle moving means for moving and a fixture capable of fixing the battery cradle stored in the battery mounting space at a storage position.

According to the invention of claim 1 configured as described above, when the service work such as the replenishment of the battery or the replacement work is performed, the fixing of the battery stored in the battery mounting space by the fixing tool is released. After that, the work can be performed by pulling out the whole battery receiving space from the battery mounting space to a substantially flat surface side of a large space.

According to a second aspect of the invention, in the battery-equipped device for an industrial vehicle according to the first aspect, the cradle moving means comprises:
It is characterized by comprising a rail member provided on the tank upper surface side and a plurality of guide rollers provided on the battery pedestal and rolling along the rail member. Therefore, according to the second aspect of the present invention, when the battery pedestal is put in or taken out of the battery mounting space, the rail member gives the directivity in the putting-out direction, and the putting in and out can be carried out smoothly.

According to a third aspect of the present invention, in the battery mounting device for an industrial vehicle according to the second aspect, the arrangement interval of the rollers arranged in the inserting / removing direction of the battery pedestal is set to be larger than the length of the rail member, A pedestal capable of riding on the rail member is provided between the rollers on the lower surface of the battery receiving stand.

Therefore, according to the third aspect of the present invention, when the battery cradle is pushed into the battery mounting space to store the battery, the pedestal of the battery pedestal rides on the rail member and the roller floats above the tank upper surface. . That is, when the battery is stored, the weight of the battery can be supported by the pedestal of the battery pedestal.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be specifically described below 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 outer surface side of the vehicle body frame 5 on the side surface of the vehicle body 1, and a step 3 is provided on the lower side surface of the tank 4. These tank 4 and step 3
Are normally provided between the front and rear fenders.

A cabin 2 is installed on the upper front side of the vehicle body 1, and the left and right side portions of the cabin 2 and the upper edge portions of the vehicle body frame 5 are inside the tank 4 (on the vehicle body frame 5 side).
The overhanging portions 2a, 5a are formed by laterally overhanging the upper surface so as to cover the overhanging portions 2a, 5a.
A battery mounting space S having a required height is formed between 5a and the upper surface of the tank 4 therebelow. Thus, tank 4
As for the upper surface of the vehicle, the inner upper surface corresponding to the overhang length of the overhanging portions 2a, 5a is the battery mounting surface 4a, and the outer upper surface not covered by the overhanging portions 2a, 5a is a flat step surface for getting on and off. It is 4b.

Next, a battery mounting device for mounting the battery B in the battery mounting space S will be described with reference to FIGS.
A description will be given based on FIG. The battery mounting device includes a battery cradle 6 for mounting the battery B, a cradle moving means for moving the battery cradle 6 in the vehicle width direction on the upper surface of the tank 4 to move it in and out of the battery mounting space S, and a battery. B
And a fixture 18 for fixing the battery cradle 6 together with the battery cradle 6 to the storage position.

As shown in FIG. 5, the battery cradle 6 is formed of a rectangular flat plate suitable for mounting the battery B thereon. The pedestal moving means for moving the battery pedestal 6 includes four guide rollers 8 provided on the battery pedestal 6, two side rollers 10, and a pair provided on the battery mounting surface 4 a of the tank 4. It is composed of a guide rail 11 and a side rail 12 (see FIG. 4).

The guide rollers 8 are rotatably attached to roller brackets 7 fixed to the four corners of the lower surface of the battery receiving base 6 about a horizontal axis, and the side rollers 10 are deep in the battery receiving receiving / inserting direction. It is attached to the left and right roller seats 9 formed on the side so as to be rotatable around the vertical axis. The guide rails 11 and the side rails 12 are fixed in parallel on the battery mounting surface 4a of the tank 4 one by one, and the upper surfaces of the guide rails 11 serve as rolling surfaces of the guide rollers 8 and the guide rollers 8 are provided at both ends. The slope is designed for easy riding.

On the other hand, the side rails 12 have side surfaces thereof as rolling surfaces of the side rollers 10 to regulate lateral runout of the battery cradle 6 (direction orthogonal to the moving direction), and the battery cradle 6 moves in and out. It has a length corresponding to the stroke. Further, the front end of the side rail 12 is brought into contact with the side roller 10 so that the battery holder 6
The stopper 12a is bent in a substantially L-shape to regulate the pull-out position when pulling out.

The arrangement interval of the guide rollers 8 in the in / out direction is
As shown in FIGS. 1 to 3, the length is set larger than the length of the guide rail 11, and the battery cradle 6 is provided on the lower surface between the guide rollers 8 in the moving direction of the battery cradle 6.
A pedestal 13 is provided to support the weight of the battery (in place of the shoulder) by riding on the upper surface of the guide rail 11 when is pushed into the battery mounting space S.

That is, at the storage position where the battery receiving base 6 is pushed into the battery mounting space S, the guide roller 8 is disengaged 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 plane contact. The guide roller 8 is configured to float above the upper surface of the tank 4.

The battery pedestal 6 has an upward vertical plate 6a on the back side in the direction of insertion / removal, and a handle 14 for operation of movement in / out on the front side. The vertical plate 6a functions not only for positioning the battery B placed on the battery pedestal 6, but also when the battery pedestal 6 is pushed into the battery mounting space S, the vertical wall on the back side of the battery mounting space S is pushed. The battery pedestal 6 is positioned at a predetermined mounting position by coming into contact with a stopper 15 having a proper elasticity such as rubber provided on the vertical surface of the body frame 5 that constitutes it.
The stopper 15 is attached to the boss 16 welded to the vertical surface of the vehicle body frame 5 with a bolt 17.

Further, as shown in FIGS. 4 and 5, the fixture 18 for fixing the battery B stored in the battery mounting space S together with the battery cradle 6 to the storage position is at the back side of the battery mounting space S. The left and right battery lock hooks 19 fixed to the lower corners, the left and right lock bolts 20 having one end locked to the lock bolts 20, and the battery bolts can be hooked on the front upper edge of the battery B while being inserted into the lock bolts 20. It is composed of a single angled contact plate 21 and left and right nuts 22 for tightening the contact plate 21 to the lock bolt 20.

Next, the function and effect of the battery-equipped device having the above structure will be described. 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 is fixed by the fixture 18 together with the battery B. During this storage, the pedestal 13 of the battery pedestal 6 rides on the upper surface of the guide rail 11 and is flattened to receive the battery weight over 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, the burden of the battery weight on the guide roller 8 is only temporarily added at the time of moving in and out. Therefore, it is possible to reduce wear of the guide roller 8 and improve durability.

On the other hand, when performing a service work such as replenishing the battery liquid with the battery B or a replacement work of the battery B, after removing the fixing tool 18, the battery B is replaced with the battery cradle 6 as shown in FIG. At the same time, it is pulled out from the battery storage space S onto the step surface 4b of the tank 4. At this time,
As shown by a phantom line in FIG. 3, the side roller 10 contacts the stopper 12a provided on the side rail 12 to stop the battery pedestal 6 in the pulled-out position.

As described above, in the present battery-equipped device, the battery B is placed together with the battery pedestal 6 in the step surface 4 of the tank 4.
It is possible to perform work such as replenishment of battery liquid and battery replacement in a wide space by pulling it out to the b side, so that the work can be performed quickly and efficiently, and the battery pedestal 6 is provided with the stopper 12a. Since the withdrawal position is regulated, there is no possibility that the battery pedestal 6 will accidentally fall from the upper surface of the tank 4 during work. 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 to the storage position by the fixing tool 18 as described above.

Further, in this embodiment, since the battery cradle 6 is moved in and out of the battery mounting space S through the cradle moving means including the rollers 8 and 10 and the rails 11 and 12, it is possible to It is possible to smoothly and lightly move in and out in a stable state.

The present invention is not limited to the above-described embodiments, but can be modified as appropriate without departing from the scope of the invention. (1) The cradle moving means for moving the battery cradle 6 in and out is provided with, for example, rails having grooved cross sections that are fitted to each other on the tank 4 side and the battery cradle 6 side, respectively. Slide system, the stationary roller is installed on the battery mounting surface 4a of the tank 4, and the battery pedestal 6 moves on the stationary roller, and the lower surface of the battery pedestal 6 has rollers or wheels. It is possible to change the structure so that the upper surface of the tank 4 can be moved freely by attaching.

(2) While omitting the side rails 12 described in the embodiment, the guide roller 8 is a flanged roller, and the flange portion is brought into contact with the side surface of the guide rail 11 to restrict lateral runout. The configuration may be changed.
Further, the handle 14 for the battery loading / unloading operation may be provided on the side surface of the battery cradle 6 in the loading / unloading direction. (3) The fixture 18 is configured to fix the upper corner of the battery B, and the upper surface of the battery B is pressed and fixed toward the tank upper surface side, or the side surface of the battery B is pressed and fixed to the vehicle body frame 5 side. You may do it. (4) The fall-prevention stopper 12 that regulates the pull-out position of the battery cradle 6 may be provided on the battery mounting surface 4a.

The embodiment of the present invention has been described above.
It should be additionally noted that this embodiment includes the following technical matters in addition to the technical matters described in the claims. 1. 2. A structure comprising a positioning stopper for restricting a battery receiving base pushed into the battery storing space to a storage position, and the fixture presses and fixes the battery together with the battery receiving base toward the stopper. Battery-equipped device for industrial vehicles. According to this, the battery and the battery cradle can be securely and stably fixed to the predetermined storage position. In addition, a means for fixing the battery to the battery cradle is not required, the number of parts related to the fixing can be reduced, and the labor for attaching and detaching the battery can be saved.

2. 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 pull-out position when the battery receiving base is pulled out from a battery mounting space to a substantially flat surface of the tank. According to this, it is possible to prevent the battery pedestal from accidentally falling from the upper surface of the tank when the battery pedestal is pulled out, or during the service work or replacement work of the battery.

[0029]

As described above in detail, according to the inventions of claims 1 to 3, when the service work or the replacement work of the battery is performed, the battery is taken together with the battery cradle from the battery mounting space to the substantially flat surface side of the tank. Since the work can be easily performed in a wide space with it pulled out, the work can be performed quickly and efficiently.

According to the second aspect of the present invention, the work of moving the battery in and out of the battery mounting space is smoothly and lightly performed in the predetermined direction via the cradle moving means composed of the rail member and the guide roller. be able to. Furthermore, according to the invention of claim 3, in addition to being able to smoothly and lightly move the battery in and out of the battery mounting space, the battery can be supported in a stable state when the battery is stored in the battery mounting space. At the same time, the load on the rollers can be removed and wear can be reduced.

[Brief description of drawings]

FIG. 1 is a side view showing a battery storage state of a battery-equipped device.

FIG. 2 is a side view showing a battery withdrawn state of the battery-equipped device.

FIG. 3 is a plan view of the battery-mounted device.

FIG. 4 is a perspective view showing a battery mounting space formed on a side surface of the vehicle body and a rail for guiding a battery cradle.

FIG. 5 is an exploded perspective view showing a battery pedestal and a fixture thereof.

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 mounting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Vehicle body 2 ... Cabin 2a ... Overhang part 4 ... Tank 4a ... Battery mounting surface 4b ... Step surface 5 ... Vehicle body frame 5a ... Overhang part 6 ... Battery cradle 8 ... Guide roller 10 ... Side roller 11 ... Guide rail 12 ... Side rail 12a ... Stopper 13 ... Pedestal 15 ... Stopper 18 ... Fixing tool

Claims (3)

[Claims] 1. A battery mounting space is formed between a vehicle body-side upper surface of a tank installed on a side surface of a vehicle body and a cabin overhanging portion and / or a vehicle body frame overhanging portion that extends above the tank. A battery mounting device for an industrial vehicle, the outer upper surface of which is not covered by the overhanging portion of the tank is a substantially flat surface, wherein a battery pedestal capable of mounting a battery, a vehicle body upper surface of the tank, and the battery pedestal are provided. And a cradle moving means for moving the battery cradle in and out of the battery mounting space in a direction parallel to the vehicle width direction, and a battery cradle stored in the battery mounting space at a storage position. A battery-equipped device for an industrial vehicle, comprising: a fixture that can be fixed. 2. The cradle moving means includes a rail member provided on the tank upper surface side, and a plurality of guide rollers provided on the battery cradle and rolling along the rail member. The battery-equipped device for an industrial vehicle according to claim 1. 3. An arrangement interval of rollers arranged in a direction in and out of the battery pedestal is set to be larger than a length of the rail member, and it is possible to ride on the rail member between the rollers on the lower surface of the battery pedestal. The battery-equipped device for an industrial vehicle according to claim 2, further comprising a pedestal.