JP2003118664A - Wire harness removing tool and wire harness removing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wire harness removing tool and a wire harness removing method causing no lateral deviation when removing a wire harness from a discarded vehicle and capable of improving workability. SOLUTION: The wire harness removing tool 11 is composed of a J-shaped hook body 12 having a bent part 17 for hooking the wire harness W, and a connecting part 14 having a connecting hole 13 provided in a rear end part of the hook body 12 and connected with a lifter. A protrusion 16 for biting into the wire harness W when removing the wire harness is provided on the bent part 17. When removing the wire harness, the protrusion bites into the wire harness W and the wire harness can be removed without lateral deviation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tool for removing a wire harness of a waste vehicle such as an automobile from a waste vehicle body for recycling.

[0002]

2. Description of the Related Art Amid growing awareness of environmental issues,
Interest in the effective use of resources is increasing. Such problems are no exception for discarded vehicles. In particular, the amount of wire harnesses used by electronically controlled vehicles in recent years is enormous, and the present situation cannot be ignored.

FIG. 1 shows an example of a tool for removing a wire harness from a waste vehicle body. In FIG. 1, reference numeral 1 denotes a tool (hereinafter, also referred to as a hook), which includes a J-shaped hook body 2 and a connecting portion 4 having a connecting hole 3. The hook body 2 has a bent portion for hooking the wire harness W. The connecting hole 3 of the connecting portion 4 is connected to a lifting device such as a crane.

When the wire harness W is to be removed from a discarded vehicle, the wire harness W is removed by hooking the hook 1 on the bent portion of the hook body 2 substantially at the center of the wire harness W and pulling it up by a lifting device such as a crane. ing.

However, with the above-mentioned removal method,
Depending on the method of fixing the wire harness W, the lifting load may be unbalanced, the wire harness W may be displaced, and a wire breakage may occur when the wire harness W is forcibly removed. In that case, it is necessary to re-apply the tool 1 to the wire harness W or to cut the wire harness W with a cutting tool in some cases, which causes a problem in workability. Further, in order to eliminate the deviation, it is necessary to select an optimum hooking point, which causes deterioration of work efficiency.

Further, when removing the wire harness W, an operator can take out the wire harness and hook the hook 1 (when there is a gap between the vehicle body and the wire harness W) and when it cannot be performed (vehicle body). There is no gap between the wire harness W and the wire harness W). The case shown in FIG. 2 is the latter case. In the figure, B is a vehicle body.
In such a case, as shown in FIG. 3, the tip of the hook 1 is hooked on the wire harness W and pulled up. However, in this way, the hook 1 bites into the wire harness W and winds the wire harness. However, in many cases, the wire harness is displaced during the pulling and cannot be efficiently collected.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art. When the wire harness is detached from a discarded vehicle, the wire harness is not displaced and workability is improved. It is an object of the present invention to provide a wire harness removing tool and a wire harness removing method that can be performed. Further, the present invention is a wire harness that enables efficient removal of a wire harness arranged so that an operator cannot manually hook it on a conventional wire harness removing tool. It is another object to provide a removal tool and a wire harness removal method.

[0008]

According to the present invention, the following technical means are provided in order to solve the above problems. (1) A J-shaped hook body having a bent portion for hooking a wire harness, and a connecting portion provided at a rear end portion of the hook body and having a connecting hole for connecting to a pulling device, A wire harness removing tool, characterized in that the bent portion is provided with a protrusion for engaging with the wire harness when the wire harness is removed. (2) The wire harness removing tool according to (1), wherein the attachment position of the protrusion is at the center of the bent portion of the J-shaped hook body. (3) The J-shaped hook of the tool for removing the wire harness is attached to the wire harness whose attachment position is behind the center of the bent portion of the J-shaped hook body and is to be removed. The wire harness removing tool as described in (1) above, wherein the protrusion is attached to a position where it bites into the wire harness when the tip end of the main body is pulled up. (4) A wire harness using the wire harness removing tool according to any one of (1) to (3), wherein tape winding portions are provided on both sides of a position where the wire harness removing tool is hooked during vehicle dismantling work. On the other hand, the wire harness removing method is characterized in that the wire harness is removed by hooking and pulling up the wire harness removing tool at the hooking position. (5) Using the wire harness removing tool according to any one of (1) to (3), the wire harness removing tool is hooked and pulled up at a required position with respect to the wire harness entirely wound with a tape. A method for removing a wire harness, characterized in that the wire harness is removed by.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to preferred examples. An example of the first embodiment according to the present invention is shown in FIG. In FIG. 4, reference numeral 11 denotes a wire harness removing tool of the present embodiment (hereinafter, also simply referred to as a hook), which is a J-shaped hook body 12 and a connecting hole (eye).
It comprises a connecting portion 14 having 13. The hook body 12 is a bent portion (hooking portion) for hooking the wire harness.
Have 15. In the hook 11, the bent portion 15
A protrusion 16 is provided to allow the wire harness to bite when the wire harness is removed. This protrusion 16
The shape and size of the wire harness are appropriately set so as to easily bite into the wire harness when the wire harness is removed and to effectively prevent the wire harness from slipping sideways. Typically, it is formed in a substantially triangular pyramid shape, but is not limited to this. When the hook 11 is used, the connecting hole 13 of the connecting portion 14 is connected to the lifting device. As the lifting device, various cranes, chain blocks, forklifts, and wires or chains for connection are combined. Things can be used.

FIG. 5 is a view showing a wire harness W to which the hook 11 according to the present invention is preferably applied. As shown in FIG. 5A, the wire harness W is provided with a hook 11 when the wire harness is removed at the time of dismantling a discarded vehicle.
The binding tape winding portions 18 are provided on both sides of the portion 17 for hooking.

Next, the operation of detaching the wire harness W shown in FIG. 5 using the hook 11 shown in FIG. 4 will be described with reference to FIG. First, when the wire harness is removed at the time of dismantling the discarded vehicle, the worker visually recognizes the hooking position of the hook 11 by the binding tape winding portion 18. Then, when the hook 11 is hooked on the hooking portion 17 of the wire harness W as shown in FIG.
The wire harness 7 has a hole 19 as shown in FIG. 5B, and is in a state of being hooked there. When the hook 11 is pulled up in this state, the hole 19 is narrowed, the positional displacement of the wire harness W is prevented, and the wire harness W is removed. Then, even if the positional deviation occurs, the tape winding portion 1 may be attached to the wire harness W.
Since 8 is formed, its portion 18 acts as a stopper and further displacement is prevented. Further, even if the wire breaks, the hook 11 is provided between the tape winding portions 18.
Since the hook remains, the hook 11 does not need to be hooked again, and the workability can be further improved.

FIG. 7 shows an example of the second embodiment according to the present invention.
Shown in. In FIG. 7, reference numeral 21 denotes a wire harness removing tool (hereinafter, also simply referred to as a hook) of the present embodiment,
It is composed of a J-shaped hook body 22 and a connecting portion 24 having a connecting hole (eye) 23. The hook body 22 has a bent portion (hooking portion) 25 for hooking the wire harness. The above is the same as that of the hook of FIG. Also in the present hook 21, the bent portion 25 is provided with a protrusion 26 for biting into the wire harness when the wire harness is removed, but the attachment position thereof is different from that of the hook of FIG.
That is, the mounting position of the protrusion 26 is on the rear side (from the connecting portion) of the bent portion 23 of the J-shaped hook body 22, and the tip end portion 28 of the hook 21 is placed on the lower side of the wire harness to be removed. This is the position where the protrusion 26 bites into the wire harness when the fitting is pulled up (for comparison, see FIG.
The hook protrusion 16 is shown in broken lines). The shape and size of the protrusion 26 are appropriately set so as to easily bite into the wire harness when the wire harness is removed and to effectively prevent the wire harness from slipping sideways. Typically, it is formed in a substantially triangular pyramid shape, but is not limited to this. When the hook 21 is used, the connecting hole 2 of the connecting portion 24 is used.
3 is connected to a lifting device similar to that illustrated above.

Next, the operation of removing the wire harness W arranged as shown in FIG. 2 by using the hook 21 shown in FIG. 7 will be described with reference to FIG. First, when the wire harness is to be removed when dismantling the discarded vehicle, the operator determines the hooking position of the hook 21, and the tip end portion 28 of the hook 21 is attached to the hooking portion 27 of the wire harness W as shown in FIG.
It is hooked on the lower side of the wire harness W as shown in (a). When the wire harness W is pulled up a little from this state, the protrusion 26 bites into the wire harness W as shown in FIG. 8B. When the wire harness W is further pulled up, the positional displacement of the wire harness W is prevented, and the wire harness W is removed. In this way, in addition to the effects of the first embodiment, the wire harness W can be removed with good workability even when there is no gap between the vehicle body and the wire harness W.

Although the present invention has been described based on the embodiments, the present invention is not limited to the above embodiments, and various modifications,
It can be changed. For example, in the configurations of FIGS. 4 and 7, the connecting hole of the connecting portion is circular, but may have any shape as long as it can be connected to the lifting device, for example, an elliptical shape,
It can be formed in an appropriate shape such as a rectangle. The cross-sectional shape of the J-shaped hook body is substantially circular in the examples of FIGS. 4 and 7, but may be elliptical, quadrangular or polygonal.
Further, in the example of the first embodiment described above, the hook is hooked on the portion other than the tape winding portion, but the same effect as above can be obtained by winding the tape on the whole and hooking the hook at an appropriate position.

[0015]

According to the present invention, since the above-mentioned structure is adopted, it is possible to prevent the positional deviation when the wire harness is detached from the discarded vehicle and to improve the workability. Also,
If the position of the protrusion provided on the bent portion of the J-shaped hook main body is provided on the rear side (from the connecting portion) with respect to the center, the position shifts even in a wiring form in which there is no gap between the wire harness and the vehicle body. The wire harness can be removed efficiently.

[Brief description of drawings]

FIG. 1 is a view showing a structure of a conventional wire harness removing tool.

FIG. 2 is an explanatory view of a wiring form in which there is no gap between a wire harness and a vehicle body.

FIG. 3 is an explanatory diagram showing a state of wire harness removal using a conventional wire harness removal tool in the case of FIG. 2;

FIG. 4 is a view showing a structure of a wire harness removing tool according to the first embodiment of the present invention.

5A is a diagram showing a wire harness preferably used in an example according to the first embodiment of the present invention, and FIG. 5B is a diagram showing holes formed in a wire harness hooking portion when hooking a hook. Is.

FIG. 6 is an explanatory diagram of a wire harness removing operation in an example according to the first embodiment of the present invention.

FIG. 7 is a view showing the structure of a wire harness removing tool according to the first embodiment of the present invention.

FIG. 8 is an explanatory diagram of a wire harness removing operation in an example according to the second embodiment of the present invention.

[Explanation of symbols]

11 Wire harness removal tool 12 J-shaped hook 13 Connection hole 14 Connection 15 Bend 16 protrusions 17 Hook 18 Tape winding section 19 holes W wire harness B body 21 Tool for removing wire harness 22 J-shaped hook 23 Connection hole 24 Connection 25 Bend 26 Protrusion 27 Hook 28 Tip

Continued front page    (72) Inventor Hiroyuki Hayashi             1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi             Auto Network Technical Laboratory Co., Ltd. (72) Inventor Takamitsu Miyakoi             1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi             Auto Network Technical Laboratory Co., Ltd. F-term (reference) 3D114 AA01 AA04 AA20 CA05

Claims (5)

[Claims] 1. A J-shaped hook body having a bent portion for hooking a wire harness, and a connecting portion provided at a rear end portion of the hook body and having a connecting hole for connecting to a pulling device. A tool for removing a wire harness, wherein the bent portion is provided with a protrusion for biting into the wire harness when the wire harness is removed. 2. The wire harness removing tool according to claim 1, wherein the attachment position of the protrusion is at the center of the bent portion of the J-shaped hook body. 3. The J-shape of the tool for removing the wire harness with respect to the wire harness to be removed, wherein the attachment position of the protrusion is behind the center of the bent portion of the J-shaped hook body. The wire harness removing tool according to claim 1, wherein the projection is attached to a position where the projection hooks into the wire harness when the tip end of the hook body is pulled up. 4. A wire harness using the wire harness removing tool according to claim 1, wherein tape winding parts are provided on both sides of a position where the wire harness removing tool is hooked during vehicle dismantling work. On the other hand, the wire harness removing method is characterized in that the wire harness is removed by hooking and pulling up the wire harness removing tool at the hooked position. 5. The wire harness removing tool according to claim 1, wherein the wire harness removing tool is hooked at a predetermined position with respect to a wire harness which is entirely tape-wound and pulled up. A method for removing a wire harness, comprising removing the wire harness.