JPH0447531B2 - - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention provides a method for wiring cables to high places, for example, for carrying out cable wiring work in high places of buildings, and the wiring thereof. Regarding equipment.

(Prior Art) Generally, when various cables are wired in a high place of a building, for example, in a ceiling in a room, they are supported by a number of hanging rod members such as hanging bolts hanging from the ceiling.

The support is achieved, for example, by fixing a support fitting having a groove-shaped support part to the hanging rod member and inserting a cable into the support part. When supporting cables, since the cable wiring is supported at a high place, a stepladder is used as a foothold, and the work is carried out by moving the stepladder along the wiring direction and repeatedly climbing up and down.

(Problems to be Solved by the Invention) According to the above-mentioned conventional work method, it is necessary to move, set, and get on and off the stepladder, which is extremely troublesome, dangerous, and inefficient. It is true.

Therefore, the present invention was made in view of the existing points as described above, and allows work to be performed directly from the work floor without using a stepladder or the like.
An object of the present invention is to provide a method of wiring a cable to a high place and a wiring device therefor, which can extremely simply and easily support the wiring of a cable to a high place.

[Structure of the Invention] (Means for Solving the Problems) In order to solve the conventional problems, in the present invention, in order to enable direct work from the work floor, an expansion operation jig with a height that allows a worker to reach the cable wiring support position;
Prepare support metal fittings to support the cable. Next, the support fittings supporting the cable are expanded and attached to the tip of the expansion operation jig, brought to the wiring support position, and suspended at the wiring support position by operating the expansion operation jig. The support fittings shall be closed and held against the rod members.

That is, specifically, the method for supporting cable wiring to a high place according to the present invention includes a supporting metal fitting fixed to a hanging rod member to support the cable, and a supporting metal fitting fixed to a hanging rod member to support the cable, and a cable wiring supporting height position from the work floor surface. Prepare an expansion operation jig with a length of up to 100cm long, and detachably attach the support metal fitting with the cable inserted and supported to the grip part at the upper end of the expansion operation jig to support the wiring on the hanging rod member. By opening and closing the grip part by operating the operation part at the lower end of the expansion operation jig, the groove-shaped fixing piece opening to the hanging rod member of the support fitting can be opened and closed, and the fixing piece when opened is opened and closed. is fitted onto the suspension rod member, then closed, and after the fixing piece is gripped onto the suspension rod member, the grip portion is removed from the support fitting.

Further, the cable wiring support device for high places according to the present invention has a support fitting that is fixed to the hanging rod member and supports the cable, and a length that extends from the work floor to the cable wiring support height position. and an expansion operation jig that removably supports the support fitting, and the support fitting includes a substantially groove-shaped fixing piece that elastically grips and fixes the hanging rod member, and an opening edge on both sides of the fixing piece. It consists of a pair of left and right expansion operation pieces that are connected to each other and have operation holes for forcibly expanding the fixed pieces, and a substantially groove-shaped support piece through which the cable is inserted and supported. The jig includes a jig main body having a height ranging from the work floor to a cable support position, and an expansion operation piece provided at the upper end of the jig main body that engages with an expansion operation piece that forcibly expands the fixed piece. However, it is characterized in that it consists of a grip section that supports the support fitting itself, and an operation section that is provided at the lower end of the jig body and that remotely operates the expansion of the grip section.

(Function) The method for supporting cable wiring to high places and the supporting device thereof according to the present invention can be applied to a suspension rod member suspended from a structural support material such as a ceiling slab or a steel frame, etc., on a work floor surface. A worker performs cable wiring support work by remotely controlling the support fittings via the expansion operation jig.

That is, first, a support metal fitting is attached to the grip portion at the upper end of the expansion operation jig, and a cable to be wired and supported is inserted and supported through the support metal fitting.

The expansion operation jig that supports the cable via the support fitting is lifted to a hanging rod member position corresponding to the support height position of the cable, and the operating section at the lower end of the expansion operation jig is operated. The operation of this operating section opens and closes the grip section, thereby opening and closing the groove-shaped fixing piece opening to the hanging rod member in the support fitting by remote control.

Apply the fixed piece in the open state to the hanging rod member and fit it. After fitting, when the opening operation on the fixing piece is released and the fixing piece is closed, the fixing piece grips the hanging rod member, and then the grip portion is removed from the support fitting.

The supporting metal fittings left behind while gripping the hanging rod members support the cable, and by repeating this in sequence along the arrangement between the suspended hanging rod members, the cable can be held at a predetermined height. Support wiring.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

In order to enable direct work from the work floor, the present invention utilizes hanging bolts suspended from the ceiling slab steel frame or other structural support material to support and fix the cable 1 at the height of the wiring support position. A support metal fitting 10 fixed to a hanging rod member 2 such as the above, and this support metal fitting 1
0 to the support height position, and use an expansion operation jig 20 that is remotely operated to fix it.

The cable 1 is mainly planned to be a cable with a flat cross section as shown in the figure, which is generally called a VVF cable, but is not limited to this. For example, it is installed vertically at a height of about 3 to 4 meters.

As shown in FIG. 6, the support fitting 10 includes a substantially groove-shaped fixing piece 11 that elastically grips and fixes the hanging rod member 2, and a substantially groove-shaped fixing piece 11 that is connected to both sides of the opening edge of the fixing piece 11. , operation hole 1 for forcibly expanding the fixed piece 11
A pair of left and right expansion operation pieces 13 with holes 2 and a substantially groove-shaped support piece 14 through which the cable 1 is inserted and supported.
It is formed by integrally forming the. The fixing piece 11 is formed in a horizontal opening, and its inner shape substantially follows the outer shape of the hanging rod member 2, and has an inner diameter that is slightly smaller than the outer diameter of the hanging rod member 2. The support piece 14 is formed with an upward opening, has a space volume sufficient to store and hold the cable 1, and is provided with a curved presser foot 15 that prevents the stored cable 1 from being pulled out. A soft resin coating is applied to prevent damage to the coating.

Reference numeral 16 in the figure indicates a locking claw protruding from the edge of the fixed piece 11, which has a sharp end so as to bite into the circumferential surface of the hanging rod member 2. Achieves a secure locked state. For illustrations,
A U-shaped notch is provided on the edge of the fixed piece 11, and the notch opening edge is bent inward to form a locking pawl 16.

Further, as shown in FIG. 1, the expansion operation jig 20 includes a jig main body 21 having a height from the work floor to the supporting position of the cable 1, and
A grip part 22 is provided at the upper end of the jig main body 21 and engages with the expansion operation piece 13 for forcibly expanding the fixing piece 11 to support the support fitting 10 itself; and an operating section 31 for remotely controlling the expansion of the 22.

The jig main body 21 is formed into a rectangular tube shape with a length corresponding to a height that allows a worker to sufficiently reach the support height position of the cable 1 on the work floor surface.

As shown in FIGS. 2 and 3, the grip portion 22 includes a pair of pins that are opened and closed by operating the operating portion 31, and this pin engages with the operating hole 12 of the expansion operating piece 13. , preferably has a sharp tip to facilitate engagement and insertion into the operating hole 12. That is, a fixing pin 24 is attached as one pin to a substantially crank-shaped fixing rod 23 fixed to the upper end of the jig main body 21.
is fixed, and a swing pin 26 is fixed as the other pin to a substantially L-shaped swing rod 25 that is swingably supported by a fixed rod 23. The swinging rod 25 is connected to an operating portion 31 via a spring 34 for returning it to its original position and a traction rod 35 disposed within the jig body 21 in order to manipulate its swinging. The distance between the fixed pin 24 and the swing pin 26 is as follows when the operating section 31 is not operated.
Corresponding to the mutual spacing between the operating holes 12 of the expansion operating pieces 13, the swinging rod 25 is opened by operating the operating section 31.
When the swing pin 26 swings and expands away from the fixed pin 24, the expansion operation pieces 13 separate from each other and the fixed piece 11 opens wide.

On the other hand, as shown in FIGS. 4 and 5, the operating section 31 includes a fixed handle 32 fixed to the lower end of the jig main body 21, and is swingably supported by the fixed handle 32, and moves toward and away from the fixed handle 32. It consists of a swing handle 33. A traction rod 35 is pivotally attached to the swinging handle 33 so as to pull the swinging rod 25 against the repulsive force of a spring 34 as the handle approaches the fixed handle 32. In addition, towing rod 3
5 is attached to the grip part 2 by threaded parts at both the upper and lower ends.
2 swinging rod 25, swinging handle 33 of the operating section 31
They are screwed and connected to connecting rods 36 which are pivotally connected to each other so that the length can be freely adjusted. The spring 34 is
One end of the coil spring is fixed to the upper part of the pulling rod 35, and the other end is engaged with the upper edge of the jig main body 21. In addition, the traction rod 35
Alternatively, this may be replaced with a wire.

With the grip section 22 and the operating section 31 as described above, the swinging operation of the swinging handle 33 in the operating section 31 is performed by the grip section 2 through the pulling rod 35.
The swinging rod 25 and swinging pin 26 in 2 are made to swing. Then, the swing pin 26 moves away from or approaches the fixed pin 24 of the fixed rod 23, and
4. The swing pins 26 are connected to the operation hole 1 of the support fitting 10
2, the expansion operation piece 13 is moved away from or approached, opening and closing the opening of the fixed piece 11. When the swing handle 33 is released from the closing operation, it returns to its original position due to the elastic force of the spring 34 and waits for the opening/closing operation again.

In addition, one of the pins in the grip portion 22 is made longer to form a guide 27 that facilitates positioning with respect to the hanging rod member 2. In the illustrated example, the fixing pin 24 is made longer. , the front part thereof is used as a guide 27. This guide 27 allows the guide 27 to be applied to the support position of the cable 1 on the hanging rod member 2 when a worker on the work floor operates the expansion operation stop 20 while lifting it. Therefore, even if the expansion operation jig 20 is used, positioning at a high place is facilitated.

In the figure, reference numeral 28 denotes an engagement notch formed in one of the pins in the grip portion 22, the swing pin 26 as in the illustrated example, and the cross section with the tip end deepened is approximately L-shaped. be. This engagement notch 2
8 ensures that the expansion operation piece 13 engages with the operation hole 12 when the fixing piece 11 of the support metal fitting 10 is expanded, and also prevents the support metal fitting 10 from falling off.

Further, 29 is a support recess for holding the cable 1 between the fixed rod 23 and the swinging rod 25 which are opened and closed by swinging (see Fig. 7). Formed in the shape of a notch on the side. This support recess 29 allows the cable 1 to be reliably held and lifted to a high location, thereby improving the efficiency of wiring support work for the cable 1.

Next, the operation of supporting the cable 1 at a predetermined height position of the hanging rod member 2 using the support fitting 10 and the expansion operation jig 20 configured as described above will be explained.

First, the fixed pin 24 and the swing pin 26 of the grip part 22 of the expansion operation jig 20 are attached to the support metal fitting 10.
By inserting and engaging the operation hole 12 of the expansion operation piece 13 in the expansion operation jig 20,
Support 0. On the other hand, the support piece 1 of the support fitting 10
4, the cable 1 to be supported is inserted and supported.

Next, lift the expansion operation jig 20 to the position of the hanging rod member 2 corresponding to the support height position of the cable 1,
By operating the operating section 31, the fixed pin 24 and the swing pin 26 in the grip section 22 are separated, thereby opening the fixed piece 11 widely.

After fitting and positioning the wide open fixing piece 11 onto the hanging rod member 2, the operation part 31 is operated again to narrow the gap between the fixing pin 24 and the swing pin 26, thereby returning them to their original state. Then, the fixing piece 11 to be closed will grip the hanging rod member 2, and when this is confirmed, the fixing pin 2 will be removed from the expansion operation piece 13.
4. Remove the swing pin 26.

By doing this, the fixing piece 11 is fixed at a predetermined position of the suspension rod member 2 while holding the suspension rod member 2 between them, and is attached to the suspension rod members 2 arranged along the wiring direction of the cable position. Wiring support for the cable 1 is performed by sequentially performing the steps.

[Effects of the Invention] The present invention is configured as described above, and the expansion operation jig 20 is lifted on the work surface, and the support attached to the upper end of the expansion operation jig 20 supports the cable 1. By opening and closing the metal fitting 10 by remote control, the cable 1 can be wired and supported with respect to the hanging rod member 2 at a predetermined height position.

Therefore, you can get on and off the stepladder without using a stepladder as in the past.
There is no need for transportation and movement, and work can be carried out efficiently and safely.

This includes a substantially groove-shaped fixing piece 11 that elastically grips and fixes the hanging rod member 2, and an operating hole 12 that is connected to both sides of the opening edge of this fixing piece 11 and forcibly expanding the fixing piece 11. A pair of drilled left and right expansion operation pieces 13
This is because the cable 1 can be supported by securely gripping the hanging rod member 2 by the support fitting 10 which is integrally formed with the substantially groove-shaped support piece 14 through which the cable 1 is inserted and supported. .

Further, a jig main body 21 having a height reaching from the work floor to the support position of the cable 1, and an expansion operation piece 13 provided at the upper end of this jig main body 21 for forcibly expanding the fixed piece 11 are provided. and support metal fitting 1
0 itself, and the jig body 2.
The above-mentioned support fitting 10 is lifted from the work floor by the expansion operation jig 20, which is provided at the lower end of the grip section 10 and includes an operation section 31 that remotely controls the expansion of the grip section 22. This is also because the fixing piece 11 of the support fitting 10 can be opened and closed.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view of the device of the present invention in use, FIG. 2 is a front sectional view of the grip portion of the expansion operation jig, and FIG. 3 is a side view of the device. 4 is a front sectional view of the operating section of the expansion operation jig, FIG. 5 is a side sectional view of the same, FIG. 6 is a perspective view showing the cable wiring support state, and FIG. 7 is a view of the grip section. FIG. 3 is a front view of main parts showing cable support. DESCRIPTION OF SYMBOLS 1...Cable, 2...Hanging rod member, 10...Supporting metal fittings, 11...Fixing piece, 12...Operation hole, 13
... Expansion operation piece, 14 ... Support piece, 15 ... Holder, 16 ... Locking claw, 20 ... Expansion operation jig, 2
1...Jig body, 22...Grip part, 23...
Fixed rod, 24... Fixed pin, 25... Swinging rod, 2
6... Swing pin, 27... Guide, 28... Engagement notch, 29... Support recess, 31... Operation section, 32
... Fixed handle, 33 ... Swinging handle, 34
... Spring, 35 ... Traction rod, 36 ...
Connecting rod.

Claims (1)

[Claims] 1. A support fitting fixed to a hanging rod member to support a cable, and an expansion operation jig having a length extending from the work floor to the cable wiring support height position are provided. Then, the support fitting with the cable inserted and supported is removably attached to the grip part at the upper end of the expansion operation jig, and brought to the wiring support position on the hanging rod member. By opening and closing the grip part by operation, the groove-shaped fixing piece opening on the hanging rod member of the support fitting is opened and closed, and the fixing piece when opened is fitted into the hanging rod member, and then closed, and the fixing piece is closed. A method for wiring a cable to a high place, characterized in that the grip portion is removed from the support fitting after gripping the hanging rod member. 2. A support fitting that is fixed to the hanging rod member and supports the cable, and an expansion operation jig that has a length from the work floor to the cable wiring support height position and that supports the support fitting in a removable manner. The supporting metal fittings are
A substantially groove-shaped fixing piece that elastically grips and fixes the hanging rod member, and a pair of left and right expansion holes that are connected to both sides of the opening edge of this fixing piece and have operating holes for forcibly expanding the fixing piece. The expansion operation jig is made up of an integrally formed opening operation piece and a substantially groove-shaped support piece through which the cable is inserted and supported. a grip section provided at the upper end of the jig body that engages with the expansion operation piece for forcibly expanding the fixed piece and supports the support fitting itself; A device for wiring cables to high places, comprising: an operation section for remotely controlling the expansion of the cable. 3. The supporting metal fitting has a locking claw with a sharp end that bites into the peripheral surface of the hanging rod member on one fixed edge thereof. Cable wiring device. 4 The grip part of the expansion operation jig has a fixed pin that engages one of the operating holes fixed to a fixed rod fixed to the upper end of the jig body, and a swinging rod that is supported by the fixed rod. Claim 2 or 3, wherein a swing pin that engages with the other operation hole is fixed, and an operating section for elastically operating the swing is connected to the swing rod. Cable routing equipment to high places. 5. The operation part of the expansion operation jig includes a fixed handle fixed to the lower end of the jig main body, and is supported by the fixed handle and linked to the swinging part of the grip part,
A cable wiring device to a high place according to claim 4, comprising a swinging handle that approaches and moves away from a fixed handle.