JPH08295137A - Battery housing structure of battery forklift - Google Patents

Abstract

PURPOSE: To surely house a battery case and the like, to secure a sufficient leg space, and to improve the workability in the battery replacement time. CONSTITUTION: At the lower side of a battery hood 4, a housing recess 6 is formed by a board frame 2, where a battery case 8 is housed. Front cross plates 11 and 12 are provided at both the left end and the right end of the board frame 2. The right side front cross plate 11 is supported rotatable on the board frame 2 through a hinge 15, and a stopper 16 is formed at the upper part. A pair of hookes 18 provided at both the left end and the right end at the front side of the battery hood 4 are locked by a pair of catches 19 provided to the front cross plates 11 and 12. The front cross plates 11 and 12 give to no hazzard to a leg space. When the battery case or the like is replaced, only the right side front cross plate 11 is rotated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery forklift truck, and more particularly to a battery forklift truck battery housing structure provided with a housing recess for housing a battery case housing a battery.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, in a battery forklift, a battery case 51 accommodating a large number of battery cells is accommodated in an accommodating recess 52 formed in a lower portion of a driver's seat.

More specifically, the accommodating recess 52 is formed by a machine frame 53. Accommodation recess 52
At the rear part, a battery hood 54 is rotatably provided on the machine frame 53 so as to cover the upper side of the housed battery case 51. A sitting seat 55 is provided on the upper surface of the battery hood 54.
That is, the battery hood 54 and the seat 55 for sitting
The driver's seat is composed of and. Further, a pair of locking hooks 56 are provided at both left and right ends of the front end of the battery hood 54.

On the other hand, at the front part of the accommodation recess 52, one front cross plate 57 extending in the width direction of the accommodation recess 52 is fixed to the machine frame 53. The front cross plate 57 is for supporting the front end portion of the battery hood 54. A pair of catches 58 capable of locking the locking hooks 56 are provided on the upper front surface of the front cross plate 57. In this structure, after the battery case 51 accommodating the battery cells is accommodated in the accommodating recess 52, the upper part of the battery case 51 is covered by the battery hood 54. Then, the hook 56 for locking is locked and fixed by the catch 58. As a result, the battery cell and the battery case 51 are housed in the forklift.

In the above-mentioned prior art, a protrusion 59 is integrally formed at the central portion of the front cross plate 57, and a rod-shaped stopper pin 60 is fixed to the protrusion 59 so as to extend rearward. To be done. The stopper pin 60 allows the battery case 51 to
It is designed to prevent the above from falling out.

[0006]

However, the above-mentioned prior art has the following problems. That is, first, the stopper pin 60 is first provided on the protrusion 59 in the central portion of the front cross plate 57. Therefore, the driver seats the seat 5 by the amount corresponding to the provision of the protrusion 59 and the stopper pin 60 protruding upward.
The space (leg space) for placing the feet when seated at 5 was to be narrowed.

Secondly, when replacing the battery case 51 or the like, the battery case 51 is removed or set with the battery hood 54 open and the stopper pin 60 removed. However,
In the above technique, the stopper pin 60 is fixed to the protrusion 59 at the central portion of the front cross plate 57. Therefore, when replacing the battery case 51 or the like, it is necessary to remove and fix the stopper pin 60 one by one. As a result, the replacement work of the battery case 51 and the like may be extremely complicated.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to make sure that a battery case or the like is prevented from being displaced even when a relatively large battery case or the like needs to be stored. (EN) Provided is a battery storage structure for a battery forklift truck, which can be stored in the vehicle, can secure a sufficient leg space, and can improve the workability when replacing the battery.

[0009]

To achieve the above object, in the invention according to claim 1 of the present invention, an accommodating recess formed by a machine frame for accommodating a battery and a battery case, A battery hood rotatably provided with respect to the machine frame at a rear portion of the housing recess so as to cover an upper side of the battery case, and a seat for seating is provided on an upper surface of the battery hood, and the housing recess. In a battery storage structure of a battery forklift provided with a front cross plate for supporting a part of the battery hood provided on the machine frame at a front portion, the front cross plate is
It is composed of a right front cross plate and a left front cross plate located at both widthwise end portions of the accommodation recess, and at least an upper portion of the right front cross plate and the left front cross plate is located above the battery case. The gist of the invention is that a movement restricting means for restricting the movement is provided and the front cross plate provided with the movement restricting means is rotatable with respect to the machine frame.

According to a second aspect of the present invention, in the battery storage structure for a battery forklift according to the first aspect, a locking hook is provided at a front portion of the battery hood, and a right front cross plate and a right front cross plate are provided. The gist of the invention is to provide a catch capable of locking the locking hook on at least one of the left front cross plates.

Further, in the invention described in claim 3, in the battery storage structure of the battery forklift according to claim 1 or 2, a part of the rotatably provided front cross plate and the machine frame is provided. The gist of the invention is that at least one of them is provided with a rotation stopper that restricts rotation of the front cross plate toward the accommodation recess.

In addition, in the invention according to claim 4, in the battery storage structure of the battery forklift according to any one of claims 1 to 3, the movement restricting means includes the right front cross plate and the left front cross plate. The gist of the invention is that at least one of them is formed into a substantially L-shape.

[0013]

According to the invention described in claim 1, the battery and the battery case are housed in the housing recess formed by the machine frame. Further, the battery hood, which is provided in the rear portion of the accommodation recess so as to be rotatable with respect to the machine frame, can cover the upper side of the battery case. And
A driver sits on a seat for seating provided on the upper surface. Furthermore, a part of the battery hood can be supported at its upper end by the front cross plate provided on the machine frame in the front part of the accommodation recess.

In the present invention, since the movement restricting means is provided on the upper part of at least one of the right front cross plate and the left front cross plate, the upward movement of the battery case can be surely restricted. Further, since the protrusion and the stopper pin provided in the conventional technique can be omitted, the height of the battery hood can be set to be relatively low, and the leg space can be sufficiently secured.

In addition, the front cross plate is divided into two parts on the left and right sides, provided only at both ends in the width direction of the machine frame, and the installation of the front cross plate at the central portion is omitted. Can be made as low as the upper end of the battery case, and the leg space can be further expanded.

Moreover, since the front cross plate provided with the movement restricting means is rotatable with respect to the machine frame, it can be moved by simply rotating the front cross plate when replacing the battery case or the like. The upward movement restriction of the battery case and the like by the restriction means will be lifted.

According to the invention described in claim 2, in addition to the function of the invention described in claim 1, the locking hook provided on the front part of the battery hood has the right front cross plate and the left side. It can be locked by a catch provided on at least one of the front cross plates. Therefore, at least during operation of the forklift,
The battery hood can be securely fixed to the machine frame.

Further, according to the invention of claim 3,
In addition to the function of the invention described in claim 1 or 2, the accommodation recess of the front cross plate is provided by a rotation stopper provided on at least one of the rotatably provided front cross plate and part of the machine frame. Rotation to the side can be restricted. Therefore, it becomes possible to easily set the position of the front cross plate when the battery case or the like is replaced.

In addition, according to the invention of claim 4,
In addition to the action of the invention according to any one of claims 1 to 3,
The movement restricting means may be formed by bending at least one of the right front cross plate and the left front cross plate into a substantially L shape. Therefore, it becomes possible to configure the movement restricting means by a very simple operation.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment embodying the present invention will now be described with reference to FIGS.
It will be described with reference to FIG. As shown in FIG. 2, a plurality of columns 3 are erected on a machine frame 2 of a battery forklift (hereinafter referred to as “forklift”) 1, and a space surrounded by these columns 3 constitutes a driver's cab. .

At the center of the operator's cab, a battery hood 4 made of resin is provided at the rear part thereof so as to be rotatable (openable / closable) with respect to the machine frame 2 by a hinge (not shown). A seat 5 for seating is provided on the battery hood 4 on which a driver can sit.

Below the battery hood 4,
A housing recess 6 is formed by the machine base frame 2.
As shown in FIG. 1, a battery case 8 accommodating a large number of battery cells 7 is accommodated in the accommodating recess 6. Two front cross plates (a right front cross plate 11 and a left front cross plate 12) are provided at the left and right ends of the machine frame 2 at the front of the housing recess 6.

These front cross plates 11, 1
2, the left front cross plate 12 is welded to a fixed plate 14 fixed to the machine frame 2 with bolts 13. on the other hand,
The right front cross plate 11 is rotatably supported by the machine frame 2 via a hinge 15. Also,
A stopper 16 is integrally formed on the upper portion of the right front cross plate 11 as a movement restricting means extending rearward.

Further, as shown in FIGS. 2 and 3, a pair of locking hooks 1 are provided at the left and right ends of the front end of the battery hood 4.
8 are provided. On the other hand, on the upper front part of the front cross plates 11 and 12, the locking hook 18 is provided.
Is provided with a pair of catches 19 which can be locked.

Further, a rotary stopper 21 is fixed to the front surface of the lower portion of the right front cross plate 11 by welding so as to extend toward the machine frame 2 side.
When the right front cross plate 11 is rotated, the rotation stopper 21 comes into contact with the machine frame 2 to restrict the rotation of the front cross plate 11 toward the housing recess 6 side.

Next, the operation and effect of this embodiment configured as described above will be described. First, in order to operate the forklift 1, a large number of battery cells 7 are housed in a battery case 8 and the battery case 8
Are accommodated in the accommodation recess 6. Next, the battery hood 4
Is closed. That is, the battery hood 4 covers the upper part of the battery case 8. Then, the hook 18 for locking is locked and fixed by the catch 19. In this way, the battery cell 7 and the battery case 8 are mounted on the forklift 1. At this time, due to the presence of the front cross plates 11 and 12, the front end portion of the battery hood 4 is supported.

Further, in this embodiment, the stopper 16 is provided above the right front cross plate 11. Therefore, the upward movement of the battery case 8 can be reliably regulated. Further, as a result, the protrusion and the stopper pin provided in the related art can be omitted, so that the height of the battery hood 4 can be set relatively low. Therefore, the leg space can be expanded more than ever before.

In addition, the front cross plates 11, 1
2 is divided into two on the left and right sides, and these are provided only on both ends in the width direction of the machine base frame 2, and the installation in the central portion is omitted. Therefore, the height of the battery hood 4 can be made as low as the upper end of the battery case 8, and the leg space can be further expanded.

In addition, the right front cross plate 11 provided with the stopper 16 is rotatable with respect to the machine frame 2. For this reason, when replacing the battery case 8 or the like, as shown in FIG. 5, by merely rotating the right front cross plate 11, the upward movement restriction of the battery case 8 or the like by the stopper 16 is removed. Become. As a result, unlike the prior art in which the stopper pin had to be removed and fixed one by one when replacing the battery, the battery case 8 and the like can be replaced very easily, which in turn greatly improves the workability. Can be planned.

Further, according to this embodiment, the right front cross plate 11 is provided with the rotation stopper 21. Therefore, it is possible to prevent the right front cross plate 11 from rotating toward the housing recess 6 side.
Therefore, the position of the right front cross plate 11 can be easily set when the battery case 8 or the like is replaced, and thus workability at the time of replacement can be further improved.

Furthermore, in this embodiment, the hooks 18 for locking provided on the battery hood 4 are locked by the catches 19 provided on both front cross plates 11, 12. Therefore, at least when the forklift 1 is operating, the battery hood 4 can be reliably fixed to the machine frame 2.

The present invention is not limited to the above embodiment, but may be configured as follows, for example. (1) In the above-described embodiment, the stopper 16 is provided on the right front cross plate 11, but it may be provided on the left front cross plate 12 or both.

(2) Rotation stopper 2 in the above embodiment
1 may be omitted. (3) In the above-described embodiment, plates for covering the side portions of the battery case 8 may be provided on the machine frame 2 on both the left and right sides of the forklift 1.

(4) In the above embodiment, the stopper 16
Has a substantially L-shape with respect to the right front cross plate 11 in order to simplify the structure, but may have another shape as long as it has a movement restricting function. For example, screw holes may be provided in the front cross plates 11 and 12, and bolts protruding rearward may be tightened.

(5) A notch may be provided in the front part of the battery hood 4 in the above embodiment.

[0036]

As described in detail above, according to the battery storage structure of the battery forklift of the present invention, even when a relatively large battery case or the like needs to be stored,
The present invention has an excellent effect that the battery case and the like can be surely stored in a state where the shift is prevented, a sufficient leg space can be secured, and workability at the time of battery replacement can be improved.

In particular, according to the second aspect of the invention, in addition to the above effects, the battery hood can be securely fixed to the machine frame. Further, according to the invention described in claim 3, in addition to the above effect, the position of the front cross plate can be easily set when the battery case or the like is replaced, and the workability can be further improved. .

In addition, according to the invention of claim 4,
In addition to the above effects, the above effects can be exerted with a simple configuration, and thus the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of essential parts showing a battery storage structure in an embodiment.

FIG. 2 is a partial perspective view showing the outline of a forklift.

FIG. 3 is a partial cross-sectional view showing a battery storage structure of one embodiment.

FIG. 4 is a partial perspective view showing a left front cross plate and the like.

FIG. 5 is a perspective view of the left front cross plate and the like for explaining the operation when replacing the battery case and the like.

FIG. 6 is a perspective view of a main part showing a battery storage structure according to a conventional technique.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Forklift, 2 ... Machine frame, 4 ... Battery hood, 5 ... Seat, 6 ... Recess, 7 ... Battery cell, 8 ... Battery case, 11 ... Right front cross plate, 12 ... Left front cross plate, 16
... stoppers as movement restricting means, 18 ... locking hooks, 19 ... catches, 21 ... rotation stoppers.

Claims (4)

[Claims] 1. A housing recess formed by a machine frame for housing a battery and a battery case, and a rear part of the housing recess rotatably provided with respect to the machine frame so as to cover an upper side of the battery case. A battery hood provided with a seat for seating on its upper surface, and a front cross plate for supporting a part of the battery hood provided on the machine frame in front of the accommodation recess. In a battery storage structure of a battery forklift truck including, the front cross plate is configured by a right front cross plate and a left front cross plate located at both end portions in the width direction of the storage recess,
At least one upper part of the right front cross plate and the left front cross plate is provided with movement restricting means for restricting upward movement of the battery case, and further, a front cross plate provided with the movement restricting means is provided. A battery storage structure for a battery forklift that is rotatable with respect to the machine frame. 2. A hook for locking is provided on a front portion of the battery hood, and a catch capable of locking the hook for hooking is provided on at least one of the right front cross plate and the left front cross plate. The battery storage structure for a battery forklift according to claim 1. 3. A rotation stopper for restricting rotation of the front cross plate toward the housing recess side is provided on at least one of the rotatably provided front cross plate and a part of the machine frame. The battery storage structure of the battery forklift according to claim 1 or 2, which is provided. 4. The battery forklift according to any one of claims 1 to 3, wherein the movement restricting means is formed in a substantially L shape by bending at least one of the right front cross plate and the left front cross plate. Battery storage structure.