JP2013220908A - Battery installation structure of industrial vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange multiple batteries effectively close and parallel in a narrow storage space and enable battery liquid of the batteries on a depth side to be visually recognized.SOLUTION: A storage space 14 is formed on a right side face of a vehicle body. Battery installation tools 21 and 31 are disposed in parallel from a near side to a depth side of the storage space. A battery loading face 32a of the battery installation tool 31 on the depth side is formed higher than a battery loading face 22a of the battery installation tool 21 on the near side. A battery liquid surface WL2 of a battery B2 on the depth side is made high to enable viewing a battery step difference ΔH.

Description

  The present invention relates to a battery installation structure for an industrial vehicle.

For example, Patent Document 1 discloses a structure in which two batteries are arranged and attached in series on the left side of a driver's seat in an engine hood (bonnet) of a forklift.
However, even forklifts, counterweights are placed close to the driver's seat for small and medium-sized ones, and it is difficult to secure space especially in the front-rear direction, ensuring space for arranging two batteries in series. It may be difficult to do.

  As a countermeasure against this, it is conceivable to arrange two batteries in parallel as disclosed in Patent Document 2.

Japanese Patent Laid-Open No. 11-342809 JP-A-9-213292

  However, when the width of the battery installation space is limited, two batteries are arranged close to each other. In this case, there is a problem that it is difficult to visually recognize the battery liquid.

  An object of the present invention is to solve the above-mentioned problems and to provide a battery installation structure for an industrial vehicle in which a plurality of batteries can be efficiently arranged in a narrow housing space and the battery liquid can be easily viewed. .

The invention described in claim 1
A battery installation structure for an industrial vehicle equipped with a plurality of batteries,
A storage space is formed facing the outer surface of the vehicle body
Each battery installation part is arranged in parallel from the outer surface side to the back side of the storage space,
The mounting surface of the battery installation part is formed so as to increase sequentially from the outer surface side to the inner side, and the difference in height between adjacent batteries is determined so that the liquid level of the battery liquid on the inner side is the outer surface side. The height is visible.

The invention according to claim 2 is the configuration according to claim 1,
In each battery installation portion, a battery fixture for fixing the battery is detachably provided, and the adjacent battery fixtures are arranged so as to be displaced in the battery length direction.

The invention according to claim 3 is the configuration according to claim 1 or 2,
Industrial vehicles are forklifts,
Install the storage space on the side of the car body in front of the counterweight,
Provide a battery cover that covers the storage space,
The battery cover is provided with an inspection port through which the battery liquid level of the battery can be visually recognized.

  According to the first aspect of the present invention, the plurality of batteries are arranged side by side from the outer surface side to the back side, and the battery installation portion that becomes higher as the battery on the back side is provided. The battery level will not disappear. Therefore, a plurality of batteries can be accommodated by using a narrow space where the batteries cannot be installed in series as a battery accommodating space. In addition, it is possible to easily and accurately check the battery liquid that is performed at the time of start-up and maintenance.

  According to the second aspect of the present invention, by disposing the battery fixture so as to be displaced, it is possible to eliminate the interference with the adjacent battery fixture, and to reduce the interval between the adjacent batteries. The occupied space can be reduced and a plurality of batteries can be accommodated in a narrow accommodation space.

  According to the third aspect of the present invention, it is possible to provide the battery cover by arranging the accommodation space on the side of the vehicle body of the forklift, and to visually recognize the battery liquid level of the battery from the opening provided in the battery cover. Accordingly, it is possible to easily and accurately inspect the battery liquid level of the rear battery arranged close to each other.

It is a side view which shows the Example of the battery installation structure of the forklift which concerns on this invention, and shows the battery installation state in an accommodation space. It is a front view which shows the battery installation state in an accommodation space. It is a perspective view which shows the battery installation state in an accommodation space. It is a perspective view which shows the mounting state of a battery cover. It is a perspective view which shows a battery installation tool.

[Example]
Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIGS. 3 and 4, a counterweight 12 is provided at the rear portion of the vehicle body 11 to balance the load of the lift device, and the head guard is disposed on the upper surface of the vehicle body 11 facing the right side surface of the vehicle body 11. A battery accommodating space 14 is formed between the rear post 13 a and the counterweight 12. In this accommodation space 14, in order to hold the two batteries B1 and B2 in place, the front side (right side) and back side battery installation tools (battery installation parts) 21 and 31 shown in FIG. However, it is arrange | positioned in parallel at the near side (outer surface side) and back side (back side) of the accommodation space 14. FIG. Battery B1, B2 is a rectangular parallelepiped which consists of a main body and a cover body, a main body is translucent or transparent, and can visually recognize an internal battery liquid level from the outside. A pair of electrode terminals and a plurality of plugs are attached to the main body.

  As shown in FIG. 5, the near-side battery installation tool 21 includes a base area 22 that supports the battery B <b> 1 on a battery mounting surface 22 a having a height H <b> 1 by a buffer member 23 made of two elastic bodies in the base area 22, And a near-side fixture 24 for fixing the battery B1 placed in the base area 22. The near-side fixture 24 has a gate-shaped rod-shaped locking member 25 erected on the upper surface of the vehicle body 11 on the near side of the base area 22 and a locking hole 26 a erected on the back side of the base area 22. A locking plate 26 and a gate-shaped locking connector 27 surrounding the front and rear surfaces and the upper surface of the battery B1 are provided. The locking connector 27 includes a front surface of the battery B1, an L-shaped member 28 having a vertical portion 28v and a horizontal portion 28h along the upper surface, and a fastening rod 29 along the rear surface of the battery B1. In the L-shaped member 28, a hook portion 28a that can be locked to the locking member 25 is formed at the lower end portion of the vertical portion 28v, and a through hole 28b is formed at the rear end portion of the horizontal portion 28h. Furthermore, the fastening rod 29 is formed with a hook portion 29a that is locked to the locking hole 26a of the locking plate 26 at the lower end portion, and a screw shaft 29b that is fitted into the through hole 28b of the horizontal portion 28h at the upper end side. And tightened by the nut member 29c. Reference numeral 28 c denotes a throttle portion that is formed in the horizontal portion 28 h of the L-shaped member 28 and avoids interference with the plug of the battery B 1.

  The back battery installation tool 31 has substantially the same structure as the front battery installation tool 21, and includes a base member 32 (battery mounting surface 32 a), a buffer member 33, a back fixing tool 34, a plate-like locking member 35, an engagement member. Stop plate 36 (locking hole 36a), locking connector 37, L-shaped member 38 (vertical part 38v, horizontal part 38h, hook part 38a, through hole 38b, throttle part 38c) and fastening rod 39 (hook part 39a, A screw shaft 39b and a nut member 39c) are provided. The rear battery installation tool 31 and the front battery installation tool 21 have a base member 32 formed in a gate-shaped cross section and a height H2 of the battery placement surface 32a which is different from that of the locking member 35. It is also different in that the stop plate 36 is attached to the base member 32. Further, the front side fixing tool 24 and the back side fixing tool 34 are displaced in the front-rear direction (battery length direction) of the vehicle body 11 by an interval δ that can be mounted and separated at least more than the width of the fixing tools 24, 34. Are arranged. Thereby, the interference between the front side fixing tool 24 and the back side fixing tool 34 can be eliminated, and the front side battery B1 and the back side battery B2 can be arranged close to each other, thereby contributing to the reduction of the accommodation space 14.

  As shown in FIGS. 1 and 2, the near-side battery installation tool 21 and the back-side battery installation tool 31 are placed on the front side and the back side at positions where they overlap from the near side to the far side in a side view of the vehicle body 11. The surfaces 22a and 32a are arranged stepwise. That is, the height H2 of the battery placement surface 22a by the back side battery installation tool 31 is increased by the battery step ΔH by the height H1 of the battery placement surface 32a of the near side battery installation tool 21, and ΔH = H2−H1. Is set to Assuming that the batteries B1 and B2 are of the same type (height), the battery level WL2 of the rear battery B2 may be positioned higher than the upper surface of the front battery B1 due to the battery step ΔH. it can. Thereby, from the battery front side (the right side surface of the vehicle body 11), the battery liquid level WL2 of the back battery B2 can be visually recognized without being hidden by the battery B1 on the near side.

  In addition, the near side fixture 24 of the near side battery installation tool 21 and the far side fixture 34 of the far side battery installation tool 31 are arranged so as to be displaced in the battery length direction (vehicle body width direction). Therefore, the near side battery installation tool 21 and the back side battery installation tool 31 do not interfere with each other, and can be disposed close to the near side battery B1 and the back side battery B2. As a result, the space occupied by the batteries B1 and B2 can be reduced, and the accommodation space 14 can be installed in a narrow space.

  As shown in FIGS. 1 and 4, a battery cover 41 covering the accommodation space 14 is provided. The battery cover 41 is formed such that the upper surface and the right side surface thereof are continuous with the upper surface and the right side surface of the counterweight 12, respectively. The cover body 42 has an opening (inspection port) 43 in the upper inclined surface above both the batteries B1 and B, and maintenance such as replacement of the batteries B1 and B2 and inspection of the wiring connection portion from the opening 43. It can be performed.

  An opening / closing lid 44 is supported in the opening 43 via a hinge at the back side, and has a lock mechanism that locks in the closed position at the closed position of the opening / closing lid 44. A release lever (not shown) for releasing the lock mechanism is provided on the concave handle 44a on the free end side. A horizontally long monitoring window (inspection port) 45 is formed below the opening 43 on the outer surface of the cover body 42. Therefore, regarding the inspection of the battery liquid, the battery liquid level WL2 of the back battery B2 can be accurately visually recognized from the opening 43, and the battery liquid level WL2 of the near battery B1 can be visually recognized from the monitoring window 45. it can.

  According to the first embodiment, the two batteries B1 and B2 are arranged side by side on the front side and the back side, and the battery installation portion 31 that holds the back side battery B2 at a high position is provided. The battery liquid level WL2 of the back battery B2 is not hidden behind B1. Therefore, even in a narrow space where the batteries cannot be installed in series, the batteries B1 and B2 can be arranged in parallel with each other as the accommodation space 14, and the two batteries B1 and B2 can be accommodated. In addition, it is possible to easily and accurately check the battery liquids of the two batteries B1 and B2 at the time of start-up and maintenance.

  Further, by disposing the near side fixing tool 24 of the near side battery installation tool 21 and the back side fixing tool 34 of the back side battery installation tool 31 by being displaced by δ in the battery length direction, the adjacent battery fixing tools 24 are arranged. , 34 can be eliminated, the distance between adjacent batteries B1 and B2 can be reduced, the space occupied by the batteries can be reduced, and a plurality of batteries can be accommodated in a narrow accommodation space.

  Further, a battery cover 41 having an opening 43 with an opening / closing lid 44 is provided in the accommodation space 14, and the opening / closing lid can be opened so that the battery liquid level WL <b> 2 of the back battery B <b> 2 can be visually recognized from the opening 43. From the monitoring window 45 formed in the main body 42, the battery liquid level WL1 of the front battery B1 can be visually recognized. Therefore, it is possible to easily and accurately check the battery liquid levels WL1 and WL2 of the two batteries B1 and B2 that are arranged close to each other.

  In the first embodiment, the two batteries B1 and B2 on the near side and the back side are accommodated, but even 3 to 5 batteries can be accommodated with the battery step ΔH.

B1 Front battery B2 Back battery ΔH Battery step δ Interval H1 Front battery mounting surface height H2 Back battery mounting surface height 11 Car body 12 Counterweight 13 Head guard 13a Rear post 14 Housing space 21 Front side Battery installation tool 22 Base area 22a Battery mounting surface 23 Buffer member 24 Front side fixing tool 25 Locking member 26 Locking plate 26a Locking hole 27 Locking connection tool 28 L-shaped member 29 Fastening rod 31 Front battery setting tool 32 Base member 32a Battery mounting surface 33 Buffer member 34 Back side fixing tool 35 Locking member 36 Locking plate 37 Locking connecting tool 39 Fastening rod 41 Battery cover 42 Cover body 43 Opening 44 Opening / closing lid 45 Monitoring window

Claims (3)

A battery installation structure for an industrial vehicle equipped with a plurality of batteries,
A storage space is formed facing the outer surface of the vehicle body,
Each battery installation part is arranged in parallel from the outer surface side to the back side of the storage space,
The mounting surface of the battery installation part is formed so as to increase sequentially from the outer surface side to the inner side, and the difference in the height of the batteries arranged adjacent to each other is The battery installation structure for industrial vehicles, characterized in that the height is visible from the outside. The industry according to claim 1, wherein a battery fixture for fixing the battery is detachably provided in each battery installation portion, and the adjacent battery fixtures are arranged so as to be displaced in the length direction of the battery. Vehicle battery installation structure. Industrial vehicles are forklifts,
A storage space is installed on the side of the car body in front of the counterweight,
Provide a battery cover that covers the storage space,
The battery installation structure for an industrial vehicle according to claim 1 or 2, wherein the battery cover is provided with an inspection port through which a battery liquid level of the battery can be visually recognized.

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