JP3342346B2 - Reach type forklift battery cable holding structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery cable holding structure of a reach type forklift capable of improving versatility and the like.

[0002]

2. Description of the Related Art A reach-type forklift usually has a battery mounted in a battery storage space formed inside a vehicle body. The battery supplies power to the electric motor via a controller on the vehicle body side, and is connected to the controller via a battery cable. In addition, the battery is drawn out to the side of the vehicle body (hereinafter referred to as “battery side drawer”) or drawn out forward along the straddle leg (hereinafter, referred to as “battery”) in consideration of maintainability such as replenishment of battery fluid. Battery drawer).

In the case of battery front drawer, FIG.
As shown in (B), one end of the battery cable a is connected to the vehicle body b and the other end is connected to the battery c, and the battery cable a does not stretch horizontally even when the battery c is pulled out forward. Is set to a sufficient length. However, when the battery c is inserted into the vehicle body, the battery cable a hangs down due to the gap between the battery c and the side wall of the battery storage space e as shown in FIG. If it is small, there is a problem that the battery cable a is pinched during the transfer.

Further, in order to prevent the above-mentioned pinching or the like,
Although it is conceivable that the battery cable a is fixed to the side of the battery box that houses the battery c in a non-removable manner,
Such a method is dedicated to the front drawer of the battery, and has a problem in that it lacks versatility in structure, for example, it cannot be used for the horizontal drawer of the battery.

Further, a battery c and a battery storage space e are provided.
It is conceivable to provide a link mechanism or the like in the gap above the gap above the battery cable a so that the battery cable a runs along the gap. However, if the gap is small, such a method cannot be adopted.

The invention according to claims 1 to 6 of the present invention is:
The present invention has been devised in view of the above-described problems, and has as its object to provide a battery cable holding structure capable of increasing versatility. An object of the present invention is to provide a battery cable holding structure capable of easily attaching and detaching the attachment member and increasing the versatility of the battery box by using an attachment member that can be locked.

Another object of the present invention is to provide a battery cable holding structure which allows a battery cable to pass over a battery and guide the cable smoothly.

Further, in addition to the above-mentioned object, the invention according to claim 4 further comprises a battery cable protruding to the side of the vehicle body so that the vehicle body and the battery box or the vehicle body and objects around the vehicle body (eg, walls, luggage, etc.) It is an object of the present invention to provide a battery cable holding structure that can effectively prevent a cable from being pinched between the battery cables.

According to a sixth aspect of the present invention, in addition to the above object, the battery cable can be effectively prevented from being pinched between the vehicle body and the battery box by further protruding the battery cable upward. It is intended to provide a retaining structure.

[0010]

According to a first aspect of the present invention, a controller for a vehicle is connected to a battery via a battery cable, and the battery is formed inside the vehicle. A battery cable holding structure for a reach-type forklift that can be pulled out forward from a space along a straddle leg, wherein the battery cable has one end connected to the controller side and the other end having a first plug on a vehicle body side. A cable and a battery-side cable having one end connected to the battery and a second plug connected to the first plug at the other end, and the first plug of the vehicle body-side cable is ,
The battery is fixed to an outer surface of the battery box via a mounting member detachably attached to a battery box for storing the battery.

According to a second aspect of the present invention, the mounting member has a locking portion which can be locked to an upper end portion of a front wall of the battery box on the vehicle body front side, and is detachably mounted on the battery box. The battery cable holding structure for a reach type forklift according to claim 1, wherein the first plug is fixed to a front surface of the battery box.

According to a third aspect of the present invention, the vehicle-body-side cable is fixed to the mounting member with the connection port of the first plug facing upward, and the vehicle-body-side cable follows the first plug. A first folded portion that is folded up along the surface of the mounting member, and a second folded portion that is folded back so that the cable portion passes through the upper surface of the battery box following the first folded portion. The reach-type forklift according to claim 2, wherein the attachment member has a roller device for guiding the second folded portion of the cable portion while reaching the upper part of the battery storage space of the vehicle body and the front surface of the vehicle body. Battery cable holding structure.

According to a fourth aspect of the present invention, the mounting member includes a cover member that can prevent the first folded portion of the vehicle body side cable from protruding outside a side surface of the vehicle body. The battery cable holding structure for a reach-type forklift according to claim 3.

According to a fifth aspect of the present invention, the mounting member has a locking portion which can be locked to an upper end portion of a side wall of the battery box on the vehicle body side, and is detachably attached to the battery box. The battery cable holding structure for a reach type forklift according to claim 1, wherein the first plug is fixed to a side surface of the battery box.

According to a sixth aspect of the present invention, the attachment member has a cable holding portion for suppressing a cable portion of a battery-side cable having the second plug connected to the first plug from expanding upward. A battery cable holding structure for a reach-type forklift according to claim 1.

[0016]

An embodiment of the present invention will be described below with reference to the drawings. In the present embodiment, a reach type forklift 1 connects a controller (not shown) on the vehicle body side to a battery BA via a battery cable 2 and connects the battery BA to a battery storage space 3 formed inside the vehicle body. A so-called battery front draw-out structure for pulling forward along the straddle leg 4 is adopted.

In the present embodiment, the battery is formed by connecting a plurality of 2V lead storage battery cells in series, and these cells are housed in a box-shaped battery box 6 having an open upper surface. Are illustrated. For the battery front draw-out structure, for example, the battery box 6 is hooked on a mast (not shown) that can move back and forth along the straddle leg 4, and guides and rollers are arranged on the bottom surface of the battery box 6. Various things, such as a thing which raises drawability, can be adopted.

The battery cable 2 has a vehicle body side cable 2A having one end connected to the controller side and a first plug P1 at the other end, and a first end connected to the battery BA and the other end connected to the first battery P. Connected to the plug P1 of the second
And a connector with the battery-side cable 2B having the plug P2, and a pair of two cables on the + side and the-side. The length of the battery cable 2 is set to have an appropriate slack so that the cable is not stretched horizontally and the cable is not damaged when the battery is pulled out in front of the battery.

In the present embodiment, the controller of the forklift is housed in the front hood 5 above the battery housing space 3 and supplies power from the battery to an electric motor for traveling and cargo handling. Can be controlled. Further, the vehicle body side cable 2A, one end of which is connected to a controller in the front hood 5, is formed so as to be exposed to the outside of the vehicle body from a substantially rectangular notch 5A formed on the front surface of the front hood 5.

The first plug P1 of the vehicle body side cable 2A is fixed to the outer surface of the battery box 6 via a mounting member 7 which can be detachably mounted on the battery box 6 for storing the battery BA. It is characterized by that. Thus, the first plug P of the vehicle body side cable 2A is
1 can be detachably fixed to the outer surface of the battery box 6, so that the battery-side cable 2B or the second plug P2 is
Since the battery box does not need to be fixed to the battery box 6, the battery box is not exclusively used for drawing out the front of the battery, but can be used for a reach type forklift which draws out the battery horizontally.

Also, as a result of fixing the first plug P1 of the vehicle body side cable 2A to the battery box 6 via the mounting member 7, the battery side having the second plug P2 connected to the first plug P1 The cable 2B is connected to the battery box 6
It is not necessary to fix the second plug P2 to the battery box 6 with the connection port of the second plug P2 facing downward, for example. Since the connection port is preferably upward, it is often possible to further increase the versatility.

In this embodiment, the mounting member 7
Has a locking portion 7A which can be locked to an upper end portion of a front wall 6A on the vehicle body front side of the battery box 6, can be detachably attached to the battery box 6, and the first plug P1 is, for example, An example is shown in which the first plug P1 is fixed to the front surface of the battery box 6 by being fixed to the mounting member 7 with screws. In this specification, the “vehicle body front side” of the reach type forklift 1 is the road wheel L side.

As described above, by forming the locking portion 7A on the mounting member 7 which can be locked to the upper end of the member constituting the wall surface of the battery box 6, the mounting and dismounting thereof are facilitated, and the position change is performed. And adjustment can be performed freely. Also,
By fixing the first plug P1 of the vehicle body side cable to the front wall 6A of the battery box 6, the vehicle body side cable 2A extending from the vehicle body side controller as shown in FIG. It is possible to safely connect to and hold the battery-side cable 2B at the front of the battery box 6 while passing over the battery box 6.

Since the position of the second plug P2 of the battery-side cable 2B is fixed by connection with the first plug P1 of the vehicle-body-side cable 2A, it is necessary to fix the plug itself to the battery box 6. There is no. Therefore, the battery box 6 having the battery BA and the battery-side cable 2B is not limited to a so-called battery front drawer, but can be applied to a forklift for a horizontal battery drawer, so that versatility can be enhanced.

As shown in FIG. 2, in the present embodiment, the engaging portion 7A is formed by folding the upper end of the mounting member 7 into an inverted U-shaped cross section. Then, the locking portion 7A can be detachably fixed by being hooked on the upper end of the wall surface of the battery box 6.

Further, in the present embodiment, as shown in FIGS. 1 and 2, the vehicle body side cable 2A is fixed to the mounting member 7 with a screw with the connection port 9 of the first plug P1 facing upward. A cable portion C of the vehicle body side cable 2A following the first plug P1 is folded back upward along the surface of the mounting member 7, and the first folded portion 10 is followed by the first folded portion 10. A notch 5 in the front of the vehicle body above the battery storage space 3 through the second folded portion 11 in which the cable portion C is folded so as to pass through the upper surface of the battery box 6
A that reaches A is illustrated.

In this embodiment, the mounting member 7 is
A roller member 7B for guiding the second folded portion 11 of the cable portion C is provided. The vehicle body side cable 2A moves back and forth as indicated by arrows A and B in FIG. 2 with the front and rear movement of the battery box 6, but the provision of the roller member 7B makes the vehicle body side cable 2A smooth. The cable can be bent and guided, and the cable can be protected by preventing the cable portion C from being excessively bent.

In this embodiment, the mounting member 7
Illustrates a preferred embodiment in which disk-shaped guide means 7C, 7C having a larger diameter than the roller device 7B are attached to both ends in the axial direction of the roller device 7B. The guide means 7C, 7
C indicates that the vehicle body side cable 2A swings in the width direction of the vehicle body when the battery BA moves back and forth.
This is preferable because it can be suppressed to a small range between 7C and the guideability of the cable portion C can be further enhanced.

Further, in this embodiment, the mounting member 7
Is the first folded portion 10 of the vehicle body side cable 2A.
However, it illustrates a preferred embodiment in which a cover member 7D that can prevent the protrusion from protruding outside the side surface of the vehicle body is provided. The vehicle body side cable 2A relatively moves in the direction of arrow A in FIG. 2 with respect to the mounting member 7 by the backward movement of the battery BA, and also moves with respect to the mounting member 7 by the forward movement of the battery BA.
Relatively move in the direction of arrow B. Therefore, when the battery BA moves backward, the radius of curvature of the cable bending portion in the first folded portion 10 may increase, and the cable portion C may protrude significantly in the vehicle width direction.

In the present embodiment, the cover member 7D for suppressing the cable portion C from protruding largely in the width direction of the vehicle body is provided on the mounting member 7, thereby preventing the cable portion C from protruding. It is possible to effectively prevent the cable portion C from being pinched between the side surface of the battery storage space 3 and the side wall of the battery box 6 and twisted. In this embodiment, the cover member 7D is exemplified by a rectangular protruding piece protruding from one end of the mounting member 7 toward the front side of the vehicle body. The shape is not limited. The position of the projecting piece is located inside the side edge of the battery box.

Further, in the present embodiment, the mounting member 7 includes a cable holding portion 7E for suppressing the cable portion C of the battery-side cable 2B in which the second plug P2 is connected to the first plug P1 from rising upward. It is characterized by having. In the present embodiment, the cable holding portion 7E
Is fixed to the upper part of the mounting member, and the cable portion C
Is constituted by a clip-shaped member which is bent so that the U-shape is placed sideways so that it can be sandwiched.

As described above, by providing the cable suppressing portion 7E for suppressing the cable portion C of the battery side cable 2B having the first plug P1 connected to the second plug P2 from bulging upward, as in the present embodiment. When the battery cable 2 is disposed on the battery box 6, the battery-side cable 2B includes, for example, the battery BA and the battery storage space 3.
This helps to prevent pinching and squeezing between them. It should be noted that the cable restraining portion 7E is not limited to the illustrated form,
Various types can be adopted as long as the same function can be exhibited.

FIG. 3 shows another embodiment of the present invention. In this example, the mounting member 7 has a locking portion 7A that can be locked to the upper end of the side wall 6B on the vehicle body side of the battery box 6, and is detachably mounted to the battery box 6.
Further, the first plug P1 of the vehicle body side cable 2A is fixed to the mounting member 7. Thus, the first plug P1 is fixed to the side surface of the battery box 6 as an example. In this example, for example, it can be preferably implemented when there is a gap between the side wall 6B of the battery box 6 and the battery storage space 3.

The body side cable 2A is fixed to the mounting member 7 with the connection port of the first plug P1 facing upward,
The second embodiment is different from the first embodiment in that a cable portion C of a vehicle body side cable 2A following the first plug P1 is once suspended and folded up to reach the front hood 5 from the battery storage space 3. ing. When the battery BA is extended forward, the vehicle body side cable 2B is
It is formed with a slack length without stretching horizontally. Also in the present embodiment, the cable holding portion 7E
Can be adopted.

The locking portion 7A of the mounting member 7 is fastened to the front wall 6A and the side wall 6B of the battery box 6 without tools as shown in FIG. 4 in addition to those shown in FIGS. A locking means 13 consisting of a screw with a handle which can be attached may be provided, and as shown in FIG. 5, a clip-like member in which another member sandwiching the wall surface of the battery box 6 is welded to the back surface of the mounting member 7. Various things can be used.

[0036]

As described above, according to the first aspect of the present invention, the first plug of the vehicle body-side cable can be detachably fixed to the outer surface of the battery box. Since the battery box does not need to be fixed to the box, the battery box can be applied not only to the front drawer of the battery but also to a reach-type forklift with a horizontal drawer of the battery, so that versatility can be improved.

According to the second or fifth aspect of the present invention, the first plug can be detachably fixed by locking the mounting member to the upper end of the front wall or the side wall of the battery box. The positioning and position adjustment of the plug according to the forklift can be performed very easily while increasing versatility.

According to the third aspect of the present invention, the mounting member has a roller member for guiding the second folded portion of the cable portion, and as a result, the vehicle body moves back and forth as the battery box moves back and forth. The side cable can be guided while being smoothly bent by the roller device, and furthermore, excessive bending of the cable can be prevented and protection of the cable can be achieved.

Further, in the invention according to the fourth aspect, the mounting member is provided with a cover member for suppressing the cable portion from protruding largely in the width direction of the vehicle body. It is possible to effectively prevent the occurrence of twisting between the side surface and the side wall of the battery box, and to protect the cable.

[0040] In the invention according to claim 6, the attachment member has a cable restraining portion for restraining a cable portion of a battery-side cable in which the second plug is connected to the first plug from expanding upward. Thus, for example, when the battery is inserted into the battery storage space, it is useful to prevent the battery-side cable from being pinched and torn between the battery and the battery storage space.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is an enlarged perspective view of a mounting member.

FIG. 3 is a perspective view showing another embodiment of the present invention.

FIG. 4 is a cross-sectional view illustrating an example of a locking portion of a mounting member.

FIG. 5 is a cross-sectional view illustrating an example of a locking portion of a mounting member.

FIGS. 6A and 6B are side views illustrating the front drawer of the battery.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Reach type forklift 2 Battery cable 2A Vehicle side cable 2B Battery side cable 3 Battery storage space 4 Straddle leg 5 Front hood 6 Battery box 7 Mounting member 7A Locking part 7B Roller tool 7C Guide plate 7D Cover member 7E Cable holding part 9 Connection opening of the first plug P1 First plug P1 P2 Second plug P2

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-245199 (JP, A) JP-A-51-2120 (JP, A) JP-A-7-172790 (JP, A) 86814 (JP, U) Hikaru 1-72596 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B66F 9/075 B60K 1/04 B60R 16/04

Claims (6)

(57) [Claims] 1. A reach-type forklift for connecting a controller on a vehicle body side and a battery via a battery cable, and extracting the battery forward from a battery storage space formed inside the vehicle body along a straddle leg. A battery cable holding structure, wherein the battery cable has one end connected to the controller and the other end having a first plug, and a vehicle body side cable having one end connected to the battery and the other end connected to the battery. An attachment member comprising a connector with a battery-side cable having a second plug connected to the first plug, and wherein the first plug of the vehicle-body-side cable is detachably attached to a battery box that houses the battery. Wherein the battery cable is fixed to the outer surface of the battery box via a battery Elephants. 2. The battery box according to claim 1, wherein said mounting member has a locking portion which can be locked to an upper end portion of a front wall on a vehicle body front side of said battery box, and is detachably mounted to said battery box. The battery cable holding structure for a reach type forklift according to claim 1, wherein the plug is fixed to a front surface of the battery box. 3. The vehicle body-side cable is fixed to the mounting member with the connection port of the first plug facing upward, and a cable portion of the vehicle body-side cable following the first plug is connected to the mounting member. A first folded portion that is folded upward along the surface and a second folded portion in which the cable portion follows the first folded portion so as to pass through the upper surface of the battery box. The battery cable holding structure for a reach-type forklift according to claim 2, wherein the attachment member has a roller member that reaches an upper portion and a front surface of the vehicle body and guides the second folded portion of the cable portion. 4. The vehicle according to claim 3, wherein the attachment member includes a cover member that can prevent the first folded portion of the vehicle body side cable from protruding outside a side surface of the vehicle body. Battery cable retention structure for reach type forklift. 5. The battery according to claim 1, wherein the mounting member has a locking portion which can be locked to an upper end portion of a side wall of the battery box on the vehicle body side, and is detachably mounted on the battery box to thereby allow the first box to be detached. The battery cable holding structure for a reach-type forklift according to claim 1, wherein the plug is fixed to a side surface of the battery box. 6. The mounting member includes a second plug connected to the first plug.
The battery cable holding structure for a reach-type forklift according to any one of claims 1 to 5, further comprising a cable holding portion for preventing a cable portion of the battery-side cable to which the plug is connected from expanding upward.