JP3816631B2 - Cable laying clip - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cable laying clip, and more particularly to a cable laying clip suitable for laying a new cable along an elevator tail cord which is an existing cable.
[0002]
[Prior art]
Generally, in an elevator, a lower part of a car and a control panel of a machine room are connected by a tail cord, and the car side of the tail cord is configured to follow the getting on and off of the car. A coaxial cable for transmission of a captured image, which is a new cable, may be laid along the tail cord, which is an existing cable. A conventional laying operation method will be described with reference to FIG.
[0003]
First, as a first step, in step S 1, a position for fixing the coaxial cable 2 to the tail cord 1 is determined, and the coaxial cable 2 is surrounded by the bind line 3. Next, as a step S2, the bind wire 3 is twisted several times on the tail cord 1 side of the coaxial cable 2 to be fastened and fixed to the coaxial cable 2. Thereafter, the bind wire 3 is wound around the tail cord 1 and twisted several times in step S3 and fixed. Next, an excessive end portion of the bind line is cut with pliers (not shown), and an end portion process for bending the end portion of the bind line 3 along the outer periphery of the tail cord 1 is performed in step S4. Such a fixing operation is performed at predetermined intervals along the longitudinal direction of the tail cord 1 to fix the coaxial cable 2 to the tail cord 1.
[0004]
[Problems to be solved by the invention]
However, in the conventional laying operation, the tail cord 1 and the coaxial cable 2 having different cross-sectional areas are connected with the bind line 3 at a predetermined interval along the longitudinal direction of the tail cord 1, so that the tail cord 1 having a different minimum bending radius is used. And the coaxial cable 2 are connected at a predetermined interval, and the tail cord 1 is adversely affected. That is, the tail cord 1 moves while maintaining a constant bending radius as the elevator car moves up and down, but the connected coaxial cables 2 having different bending radii affect this. For this reason, the tail cord 1 and the coaxial cable 2 which are connected to each other are greatly shaken, and there is a possibility that the tail cord 1 and the coaxial cable 2 come into contact with the protrusions in the hoistway.
[0005]
An object of the present invention is to provide a cable laying clip in which a new cable can be laid along an existing cable while suppressing swinging associated with movement.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a cable laying clip in which a new cable laid along an existing cable is supported by a clip, and a cylindrical insertion portion is respectively attached to the clip attached to the existing cable at a predetermined interval. And the clip is movably inserted into the insertion portion, and the clip has a hole in a support portion having a curved surface that comes into contact with the existing cable, and a portion located on the insertion portion side of the support portion. A connecting portion that is inserted through the hole and supports the supporting portion on the existing cable, and the connecting portion and the supporting portion have a pair of configurations that are opposed to each other. The new cable is fixed to the insertion portion from the opposing portion of the connecting portion and the support portion in a state in which the pair of components are opened in directions away from each other. Insert the characterized in that is positioned in the insertion portion.
[0007]
The cable laying clip according to the present invention is provided with a cylindrical insertion portion in the clip attached to the existing cable at a predetermined interval as described above, and the new cable is movably inserted and supported in the insertion portion. Even if the bending radii are different, the movement of the new cable inserted into the insertion section will not adversely affect the bending section of the existing cable, and other cables will be newly installed along the existing cable while suppressing the swinging caused by the movement. Can do.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a longitudinal sectional view of an elevator hoistway employing a cable laying clip according to an embodiment of the present invention.
In the hoistway 4, a counterweight 5 and a car 6, which are moving bodies, are connected in a vine manner via a rope 7 having an intermediate portion wound around a hoist. A control panel 9 in which an elevator control circuit is incorporated is installed in the machine room 8 above the hoistway 4. A terminal (not shown) of the control board 9 and an illustration in a terminal box 10 fixed to an intermediate part of the hoistway 4 are shown. The terminals that are not connected are connected by a cable 11. A terminal (not shown) in the lower part of the car 6 and a terminal (not shown) in the terminal box 10 are connected by a tail cord 1. A television camera 12 is mounted in the car 6, and the television camera 12 is connected to a video deck 13 provided in the machine room 8 by a coaxial cable 2 for transmitting captured images. Here, as the video deck 13, a time-lapse video deck or the like that performs frame shooting at predetermined time intervals is used.
[0009]
Next, laying work when laying the coaxial cable 2 will be described.
The coaxial cable 2 is temporarily laid from the upper part of the car 6 to the lower part of the car 6 and then held by a plurality of clips 15 along the tail cord 1 disposed at the lower part of the car 6. In the terminal box 10, the coaxial cable 2 is fixed with a binding band or a binding wire, and then a coaxial cable is used by using a binding band for a cable holder (not shown) for holding the cable 11 or a bracket (not shown) installed in the hoistway 4. 2 is laid to the machine room 8 while being held along the cable 11 at a plurality of locations. Thereafter, both ends of the coaxial cable 2 are connected to the TV camera 12 and the video deck 13, respectively.
[0010]
FIG. 2 is an enlarged perspective view showing a support portion by the clip 15.
The clip 15 has an inner diameter larger than the diameter of the coaxial cable 2. For example, if the diameter of the coaxial cable 2 is 1 cm, the inner diameter is 1.5 cm. The pair of left and right support portions 15B formed with curved surfaces at the contact surface with the tail cord 1, and a pair of left and right connection portions 15C connecting the support portion 15B and the insertion portion 15A. A hole 15D for inserting the binding band 14 as a binding body is formed at a position near the support portion 15B. The pair of left and right connecting portions 15C is configured to open wider than the diameter dimension of the coaxial cable 2 when both support portions 15B are spread in directions away from each other.
[0011]
Next, the operation of supporting the coaxial cable 2 on the tail cord 1 using the clip 15 will be described in detail.
First, both the support portions 15B of the clip 15 are spread away from each other to sufficiently widen the space between the support portions 15B, and the coaxial cable 2 is inserted into the insertion portion 15A from between the support portions 15B. Thereafter, the binding band 14 is inserted into the hole 15D formed in the connecting portion 15C while the support portion 15B of the clip 15 is brought into contact with an appropriate fixing position of the tail cord 1, and the binding band 14 is tied to the tail cord 1. As a result, the coaxial cable 2 is fixed to the tail cord 1 via the clip 15. Fixing with the clip 15 at this time may be provided at intervals of about 1 meter in the longitudinal direction of the tail cord 1.
[0012]
According to the cable laying clip having such a structure, the tail cord 1 and the coaxial cable 2 having different bending radii also move up and down as the car 6 moves up and down, but the bent portion of the coaxial cable 2 moves. Even if a lateral force acts on the bent portion of the tail cord 1, the coaxial cable 2 moves in the longitudinal direction in the insertion portion 15A of the clip 15 due to the reaction of the force applied to the tail cord 1, and absorbs it. The tail cord 1 is not greatly shaken unlike the conventional case where the tail cord 1 and the coaxial cable 2 are fixed together. In addition, since the support portion 15B is formed as a curved portion that abuts the tail cord 1, and the hole 15D is formed in the insertion portion 15A of the support portion 15B, the tightening force by the binding band 14 through the hole 15D is the support portion 15B. Are distributed and added to the tail cord 1 without adversely affecting the core of the tail cord 1 as in the prior art.
[0013]
As the material of the clip 15 described above, hard rubber or plastic is suitable for ease of processing, and the inner surface of the insertion portion 15A that may come into contact with the coaxial cable 2 is better as it has less frictional resistance. May be attached to the inner surface or the end of the insertion portion 15A.
[0014]
In the present embodiment, the binding body has been described with the binding band 14. However, a wire, a binding wire, and a string may be used, and the shape of the hole 15D through which the binding body is inserted is a round hole shown in FIG. However, if it is a hole, the shape will not be ask | required and the same effect will be acquired even if it forms a notch in the connection part 15C. The tail cord 1 for supporting the clip 15 has been described as a tail cord having a round cross section, but the support portion 15B of the clip 15 is brought into contact with the short side of a flat tail cord having a substantially rectangular cross section. If it is, the same effect will be acquired.
[0015]
In the above-described embodiment, the cable laying clip in the case where the coaxial cable 2 is laid along the tail cord 1 laid in advance in the elevator has been described. However, the present invention is not limited to this, and a new cable is installed along the existing cable. It can be applied to a cable laying clip when laying.
[0016]
【The invention's effect】
As described above, the cable laying clip according to the present invention is provided with the cylindrical insertion portion in the clip attached to the existing cable at a predetermined interval, and the new cable is movably inserted into the insertion portion. Even if the difference is different, the movement of the new cable inserted into the insertion portion does not adversely affect the bent portion of the existing cable, and other cables can be laid along the existing cable while suppressing the swinging associated with the movement. .
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of an elevator to which a cable laying clip according to an embodiment of the present invention is applied.
FIG. 2 is an enlarged perspective view of a main part of the elevator shown in FIG.
FIG. 3 is a working section showing a conventional cable laying work procedure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Tail cord 2 Coaxial cable 6 Car 14 Binding band 15 Clip 15A Insertion part 15B Support part 15C Connection part 15D Hole

Claims (1)

In a cable laying clip in which a new cable laid along an existing cable is supported by a clip, a cylindrical insertion portion is provided in each of the clips attached to the existing cable at a predetermined interval, and the new cable is moved into the insertion portion. The clip is inserted through the hole, and the clip is inserted into the hole, a support part having a curved surface that comes into contact with the existing cable, a connecting part in which a hole is located on the insertion part side of the support part, and a hole. The support portion is supported by the existing cable, and the connecting portion and the support portion are fixed to the insertion portion with a pair of configurations arranged opposite to each other, comprises from the connecting portion and the facing portion of the support portion of the opened in a direction away respectively, are positioned in the insertion portion by inserting the new cable Cable routing clip, characterized in that.

Images