JP2952477B2 - Cable support mounting method and cable support - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable for directly attaching a cable support to the lower surface of a deck plate from the floor without using a stepladder or a scaffold when retrofitting the cable support to the lower surface of the deck plate. The present invention relates to a support mounting method and a cable support.

[0002]

2. Description of the Related Art In a wiring work, when a cable is supported on a lower surface of a deck plate, for example, a hole for attaching a cable support is drilled from the upper surface of the deck plate before concrete is cast, and an insert or a dedicated cable support is provided. I was attached.

[0003] In addition, in the case of retrofitting work for attaching a cable support after concrete is poured into a deck plate, a method of fixing the deck to the lower surface of the deck plate using an adhesive or a magnet has been adopted.

[0004] In any case, the cable wiring work is performed after the cable support is fixed to the lower surface of the deck plate.

[0005]

In the conventional wiring work, prior work before concrete casting has an advantage that an insert and a dedicated cable support can be securely attached, but in addition to assembling a stepladder and a scaffold, Since installation work was required twice at a high place where the workability was extremely poor, the construction period was long, and much expense and labor were required.

[0006] On the other hand, in the retrofitting work after the concrete is cast, even if the attaching work itself becomes easy, there is a problem in the adhesive strength by the adhesive or the magnet, and the attached cable support or the like may fall. Was. In addition, even in the retrofitting work after the concrete casting, the use of the stepladder and the assembling work of the scaffold, etc., as in the preceding work before the concrete casting, remained unchanged.

Further, the wiring work of the cable is performed after the cable support is fixed to the lower surface of the deck plate.
Therefore, use of these stepladders and installation work at high places
It is necessary for at least two operations of fixing the cable support and wiring the cable. As a result, the use of these stepladders and the mounting work at a high place, etc., have caused the construction period of the entire mounting work to be prolonged.

Accordingly, the present invention has been made in view of the above-mentioned problems, and when a cable support is retrofitted on the lower surface of a deck plate, use of a stepladder, assembling work of a scaffold, and mounting work at a high place. It is an object of the present invention to provide a cable support fixture mounting method and a cable support that can securely attach the cable support from above the floor.

[0009]

In order to achieve the above-mentioned object, a first means of the present invention has a length which reaches from the floor to the lower surface of the deck plate R, and the bit P1 of the electric rotary tool P is provided.
, A cable support 1, a tapping screw S for screwing the cable support 1, and a connection for rotating the tapping screw S. Chuck 10 for holding a series of holding bits 11
In this method, a connecting bit 11 is connected to the tip of the extension adapter 20, and the extension adapter 20 is rotated by rotating the bit P1 of the electric rotary tool P.
And the connection bit 11 are rotated in conjunction with each other, and the tapping screw S held in the support mounting chuck 10 is deck-played.
And fixing the cable support 1 directly to the lower surface of the deck plate R from above the floor.

[0010]

The second means is a cable support 1
And a tapping screw S for screwing the cable support 1
And a connecting bit 1 for rotating the self-tapping screw S.
1. A cable support 1 that holds a support mounting chuck 10 that holds a series of 1 and a holding body 3 that holds a cable Q, and a fixed body 1A that is screwed to the lower surface of the deck plate R with a tapping screw S. Consisting of a self-tapping screw S
And a screw insertion hole 2 through which is inserted in the center of the fixed body 1A.
On both sides of the fixed body 1A, a tapered holding groove portion 1B for holding the fixed body 1A to the support mounting chuck 10
Is recessed.

A third means is to provide a substantially ring-shaped connecting body 4 for fitting and holding the support mounting chuck 10 below the fixed body 1A.

[0013] The holding means 3 in the fourth means comprises a fixed body 1
A holding body 3 extending from both ends of A and holding the cable Q from below, and is provided at the base end of the holding body 3 so as to be swingable and openably and closably connected to the open upper part of the holding body 3;
There is provided a fall prevention body 5 for preventing the held cable Q from falling.

The holding means 3 of the fifth means is formed by nylon bands 6 provided on both sides of the fixed body 1A as means for solving the problem.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings.

The method of the present invention is a method using an extension adapter 20 and a chuck 10 for mounting a support (see FIG. 1).

That is, the extension adapter 20 has a long cylindrical shape having a length that reaches the lower surface of the upper deck plate R from a worker standing on the floor. The extension adapter 20 includes an extension cylinder 21 interlocked with a bit P1 of the electric rotary tool P, and a support cylinder 22 rotatably fitted to the extension cylinder 21. A connection port 21A for connection to which the bit P1 is fitted is provided at the base end of the extension cylinder 21, and a support attachment chuck 1 described later is provided at the tip of the extension cylinder 21.
A connection port 21B for fixing the connection bit 11 held at 0 is provided, and the connection bit 1 inserted into the connection port 21B is screwed and fixed to the extension cylinder 21 from the side. In the illustrated example, a wing nut 23 for fixing the connection bit 1 with a screw is used (see FIG. 1). To use the extension adapter 20,
This is for operating the electric rotary tool P in which the bit P1 is connected to the connection port 21A by supporting the extension adapter 20 with the support cylinder 22.

On the other hand, the support mounting chuck 10 holds a series of the cable support 1, a tapping screw S for screwing the cable support 1, and a connection bit 11 for rotating the tapping screw S. The connecting bit 11 is connected to the tip of the extension adapter 20 (see FIG. 1). The illustrated support attachment chuck 10 is provided with an inner cylindrical body 12.
And an outer cylinder 14, and an intermediate cylinder 13 interposed between the inner cylinder 12 and the outer cylinder 14 (see FIG. 3).
At this time, a pair of holding pieces 15 that protrude and hold the support 1 are provided at the distal end of the outer cylindrical body 14. The inner cylinder 12 is
It is slidably held inside the outer cylinder 14,
The connection bit 11 is rotatably connected to the inside of the inner cylinder 12. The intermediate cylinder 13 is disposed between the inner cylinder 12 and the outer cylinder 14.
Is pressed in the direction of the connecting bit 11 to lock and connect the connecting bit 11 and the locking sphere 16.

The head of the tapping screw S attached to the cable support 1, that is, the head of the tapping screw S attached to the cable support 1 held by the holding piece 15 of the outer cylinder 14 is attached to the tip of the connecting bit 11. The tapping screw S is set so that it can fit into the groove of the head S1 and be screwed in (see FIG. 3).

According to the support mounting chuck 10, as the self-tapping screw S is screwed in with the connecting bit 11, the inner cylindrical body 12 locked by the locking sphere 16 moves.
The intermediate cylinder 13 locked by the outer locking member 18 moves with the movement of the inner cylinder 12 (see FIG. 4A). Furthermore,
When the self-tapping screw S is completely screwed in, the moved intermediate cylindrical body 13 comes into contact with the holding piece 15 to expand the holding piece 15, and the holding piece 15 is removed from the fixed tapping screw S (see FIG. 4B). The detached holding piece 15 returns to the state before being expanded by its own elastic force.

The mounting method of the present invention uses such a chuck 10 for mounting a support and an extension adapter 20, and a connecting bit 1 is attached to the tip of the extension adapter 20.
Connect 1 The rotation of the bit P1 of the electric rotary tool P causes the extension adapter 20 and the connection bit 11 to rotate in conjunction with each other. Further, the self-tapping screw S held in the support attachment chuck 10 is screwed and fixed to the lower surface of the deck plate R. As described above, the mounting method of the present invention is a method in which an operator directly fixes the cable support 1 from the floor to the lower surface of the deck plate R without using a stepladder or the like (see FIG. 1).

At this time, the cable Q is supported by the cable support 1 held at the tip of the support mounting chuck 10.
In this state, the cable support 1 and the cable Q may be simultaneously mounted on the lower surface of the deck plate R. Cable Q is
When the cable support 1 is mounted on the support mounting chuck 10, the cable Q is fixed to the cable support 1 by operating the extension adapter 20 in addition to mounting the cable support 1 on the cable support 1. The support 1 can also be fixed (see FIG. 5).

Next, the cable support used in the method of the present invention comprises a holder 3 for holding the side surface of the cable Q and a fixed body 1A screwed to the lower surface of the deck plate R with a tapping screw S. Then, a screw insertion hole 2 through which the tapping screw S is inserted is formed in the center of the fixed body 1A, and the tapping screw S is inserted through the screw insertion hole 2 and attached to the support attachment chuck 10 (see FIG. 1).

Further, in order to ensure the attachment to the support fixture chuck 10, tapered clamping grooves 1B are recessed on both side surfaces of the fixed body 1A, and the support fixture is attached to the clamping grooves 1B. The holding piece 15 of the chuck 10 is clamped (see FIG. 2). The fixed body 1A of the cable support 1
A substantially ring-shaped connecting member 4 for fitting and holding the support mounting chuck 10 is provided below the supporting member. This link 4
By externally fitting the support mounting chuck 10 to the outer cylindrical body 14, the mounting state of the support mounting chuck 10 and the cable support 1 is stabilized.

The holding body 3 shown in FIG. 2 is formed by extending the holding body 3 at both ends of the fixed body 1A and holding the cable Q from below by the holding body 3. A fall prevention member 5 is provided at the base end of the holding member 3 so as to be swingable. The fall prevention body 5 is connected to the open upper part of the holding body 3 so as to be openable and closable to prevent the held cable Q from falling. The illustrated fall prevention body 5 is provided with the base end of the fall prevention body 5 swingably on the fixed body 1 </ b> A of the cable support 1, and the distal end of the fall prevention body 5 is detachably connected to the distal end of the holding body 3. I can do it. At this time, the locking hook 5 is
A is provided, an engagement recess 3A is provided at the tip of the holder 3, and a locking hook 5A is engaged and connected to the outside of the engagement recess 3A (see FIG. 6). Further, a fixed body 1A portion for drilling the screw insertion hole 2 of the cable support 1 is formed to protrude upward,
Even after the fixed body 1A of the cable support 1 is fixed to the lower surface of the deck plate R, the fall prevention body 5 can swing. This makes it easy to add the cable Q even after the cable support 1 is fixed to the deck plate R.

Further, as shown in FIG. 7, it is also possible to provide a bent portion 5B at an appropriate position in the longitudinal direction of the fall prevention member 5, and to engage the locking hook 5A inside the engaging recess 3A. At this time,
By providing the fall prevention body 5 at the upper end of the fixed body 1A, the fall prevention body 5 can be closed only by pressing the cable support 1 against the deck plate R. When the cable Q is added after the attachment, the tip of the fall prevention body 5 is released from the bent portion 5B. According to such a cable support 1, it is convenient when the cable Q cannot be mounted on the support mounting chuck 10 at the same time as the cable support 1.

The cable support 1 shown in FIG.
Is provided with a hinge 3F so as to be swingable.
In the illustrated example, the fall prevention member 5 is horizontally fixed to the upper end of the cable support 1, and the fall prevention member 5 is provided so as to abut the lower surface of the deck plate R. In addition, locking hook 5
A locking portion 3B that fits and locks inside A is provided.

The cable support 1 shown in FIG.
1 shows a type in which the tip of the cable support 1 is directly connected to the upper part of the cable support 1. In this type, the locking projection 3C provided at the tip of the holding body 3 is inserted and connected to the locking hole 1C provided on the upper side surface of the fixed body 1A without using the fall prevention body 5.

The cable support 1 shown in FIG. 10 has a holding member 3 formed in a nylon band shape. In this case, the nylon band-shaped holding member 3 integrally formed on the side surface of the cable support member 1 is forcibly inserted into the connecting ring 1D provided on the upper surface of the cable support member 1 and provided at the tip of the holding member 3. The raised and recessed locking step 3D is locked to the connecting ring 1D.

The cable support 1 shown in FIG. 11 uses a nylon band 6 connecting the holder 3 and the fixed body 1A. At this time, the holding body 3 has a horizontal rod shape,
Insertion hole 3E for inserting a commercially available nylon band 6 at the tip
Is provided. On the other hand, a through hole 1E penetrating the upper side surface of the fixed body 1A is provided, and the nylon band 6 is tightened through the through hole 3E and the through hole 1E.

[0031]

According to the present invention, the above-mentioned configuration achieves the original object. That is, according to the first aspect, when the cable support is retrofitted on the lower surface of the deck plate, the use of the stepladder, the assembling work of the scaffold, and even the mounting work at a high place are not required at all, and the cable support is securely mounted from the floor. You can now attach to. As a result, it was possible to eliminate the cause of extending the construction period of the entire installation work.

Further, according to the second and third aspects, the cable support of the present invention can be securely mounted on the support mounting chuck 10.

According to the fourth aspect, the holding of the cable Q is prevented, and the cable support 1 is attached to the lower surface of the deck plate R with the cable Q attached to the holding body 3.
Can be fixed.

According to the fifth aspect, a commercially available nylon band 6 can be used, so that the nylon band 6 can be replaced, and the mounting mode can be easily changed.

As described above, according to the present invention, when the cable support is retrofitted to the lower surface of the deck plate, the use of the stepladder, the assembling work of the scaffold, and even the mounting work at a high place are not required at all, and the cable can be installed from the floor. There are various industrially useful effects such as the support can be securely attached.

[Brief description of the drawings]

FIG. 1 is a front view showing a cable support fixture mounting method of the present invention.

FIG. 2 is a perspective view showing a cable support of the present invention.

FIG. 3 is a cross-sectional view showing a support attachment chuck used in the method of the present invention.

FIG. 4 is a cross-sectional view showing a use state of the support attachment chuck.

FIG. 5 is a side view showing the construction method of the present invention.

FIG. 6 is a front view showing a cable support fixed according to the present invention.

FIG. 7 is a front view showing another embodiment of the cable support.

FIG. 8 shows another embodiment of the cable support.
(A) is a perspective view, (B) is a front view showing an attached state.

FIG. 9 shows another embodiment of the cable support.
(A) is a perspective view, (B) is a front view showing an attached state.

FIG. 10 shows another embodiment of the cable support.
(A) is a perspective view, (B) is a front view showing an attached state.

FIG. 11 shows another embodiment of the cable support.
(A) is a perspective view, (B) is a front view showing an attached state.

[Explanation of symbols]

 P Electric rotating tool P1 Bit Q Cable R Deck plate S Tapping screw S1 Head 1 Cable support 1A Fixed body 1B Nipping groove 1C Lock hole 1D Connecting ring 1E Through hole 2 Screw insertion hole 3 Holder 3A Engagement recess 3B Stop 3C Locking projection 3D Locking step 3E Insertion hole 3F Hinge 4 Connected body 5 Fall prevention body 5A Locking hook 5B Bend 6 Nylon band 10 Support attachment chuck 11 Connecting bit 12 Inner cylinder 13 Intermediate cylinder Body 14 Outer cylinder 15 Holding piece 16 Locking sphere 20 Extension adapter 21 Extension cylinder 21A Connection port 21B Connection port 22 Support cylinder 23 Wing nut

Continuation of the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) H02G 3/00 F16L 1/00 F16L 3/00

Claims (5)

(57) [Claims] 1. An extension adapter having a length that reaches the lower surface of the deck plate from above the floor and detachably connected to the tip of a bit of an electric rotary tool, and using an extension adapter that rotates in conjunction with the rotation of the bit, supports a cable. Tool, a tapping screw for screwing the cable support, and a cable support tool mounting method using a support tool mounting chuck for holding a series of connection bits for rotating the tapping screw, at the tip of the extension adapter, Connect the connecting bits,
With the rotation of the bit of the electric rotating tool, the extension adapter and the connection bit are rotated in conjunction with each other, and the tapping screw held in the support mounting chuck is screwed into the bottom of the deck plate.
Fixed, cable support mounting method characterized by securing the cable directly support the floor deck plate underside. 2. A cable supporter held by a supporter mounting chuck for holding a series of a cable supporter, a tapping screw for screwing the cable supporter, and a connection bit for rotating the tapper screw, A fixed body screwed to the underside of the deck plate with tapping screws,
A holder provided on a side surface of the fixed body for holding a cable, a screw insertion hole for inserting a self-tapping screw is formed in the fixed body, and an outer surface of the fixed body located on both sides of the screw insertion hole is provided on the outer surface of the fixed body. Characterized in that a taper-shaped holding groove portion for holding the holding member in the holding member mounting chuck is formed in a concave shape. 3. The cable support according to claim 2, further comprising a connecting body which fits and holds the support mounting chuck under the fixed body. 4. The holding body is formed to extend from both left and right ends of the fixed body, and is provided to hold a cable from below, and to be swingably provided at a base end of the holding body, and the holding body is opened. The cable support according to claim 2 or 3, further comprising a drop prevention member provided at an upper portion thereof to prevent the cable held openably and closably from falling. 5. The cable support according to claim 2, wherein the holding body is formed of nylon bands provided on both sides of the fixed body.