KR0175739B1 - Shock-absorbing clamp for cable construction to clamp continuous strands on the pole - Google Patents

Abstract

The present invention relates to a buffer clamp for cable hypothesis, one side is provided with a fastening means for easy fixing to the fastening member installed on the main pole and the other side can continuously insert the stranded wire and can clamp the stranded wire at any position When the stranded wire is continuously installed on the circumference with a clamping means, the work is facilitated, and a cushioning means is provided inside to reduce the tension applied to the cable due to an external impact, thereby preventing damage to the cable. In addition, the degree of tightening can be arbitrarily adjusted.

Description

Shock-absorbing clamp for cable construction to clamp continuous strands on the pole

1 is a perspective view of a shock absorbing clamp for cable construction according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of the clamping part of the cable clamping clamp shown in FIG.

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a cross-sectional view taken along the line B-B in FIG.

5 is a bottom view of the clamping portion shown in FIG.

6 is an exploded perspective view partially disassembled the clamping portion of the buffer clamp for cable construction according to the second embodiment of the present invention.

Figure 7 is an exploded perspective view of a part of the clamping portion of the cushioning clamp for cable construction according to the third embodiment of the present invention.

8 is a use state in the case where the shock absorbing clamp of the present invention is installed on a pole.

* Explanation of symbols for main parts of the drawings

1: Case 1a: Jam Jaw

2: cushioning clamp 3: fixed fastener

3a: ring portion 3b: spiral portion

4,11 Nut 4a Female thread

5: slide tube 5a: stopper

5b: flat part 6: spring

7: clamping means 8, 15, 15a, 15b: binding hole

9a, 9b, 21a, 21b, 23a, 23b: clamping member

10, 22: bolt 12a, 12b, 12c, 12d: strand wire insertion hole

13: engaging jaw 14a, 14b, 14c, 14d: uneven locking jaw

16: washer 17: strand

18 cable 19 binding member

20: Jeonju

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buffer clamp for cable construction, and more particularly, to a cable clamp buffer for continuously fixing a stranded wire (messenger wire) supported by the communication cable upon installation of a communication cable.

Typically, when installing a communication cable between Jeonju and Jeonju phases, the stranded wire is connected between Jeonju and Jeonju phases, and the communication cable is suspended or connected to the stranded wire using a connection creep or the like.

When connecting existing strands between poles, wrap one side of the strands several times and fix it using a fixing bracket, etc., and stretch the strands while tensioning the strands while maintaining the proper degree of movement between poles in the poles of the other side with a bee, etc. Wind the end of the wire around the pole several times and then fix it with fixing brackets or by suspension.

Next, when the installation of the stranded wire is completed, install a communication cable on the stranded wire by connecting creep or lashing.

In the conventional method of installing a stranded wire between the pole and the pole pole as described above, and connecting the cable using the stranded wire, external impact such as vibration or tilting of one pole of the pole pole is applied to the stranded wire between the pole pole and the cable installed after the cable construction. When applied, there are problems such as deterioration due to extension of stranded wire and cable and frequent damage to the cable, requiring communication breakdown and extensive repair work.

In addition, when installing a communication cable on a stranded wire by connecting creep or lashing after installing the stranded wire, it is necessary to repeat the tensioning and fixing of the stranded wire to adjust the degree of difference between poles. There is this.

In addition, when the cable and the stranded wire are to be continuously installed over a long distance, the clamping should be carried out without cutting the stranded wire. In this case, the stranded wire can be easily installed because it is incompatible with the clamping means. There is no problem.

Therefore, in view of the above problems, the present invention has a clamping means capable of continuously inserting a stranded wire at one end and clamping at an arbitrary position so that the stranded wire is continuously installed on the pole, so as to facilitate the work. In addition, by providing a cushioning means therein to alleviate the tensile force applied to the cable due to external impact to prevent damage to the cable and to provide a shock-absorbing clamp for cable construction that can arbitrarily adjust the tightening degree during cable laying The purpose is.

According to the shock-absorbing clamp of the present invention for achieving the above object, in the shock-absorbing clamp for continuously binding the stranded wire bound with the cable on the pole to install a communication cable on the pole,

One side is provided with a loop portion to facilitate the binding member is installed at a predetermined position of the pole, the other side is a fixed binding hole formed with a spiral of a predetermined length;

A nut that is screwed to move a predetermined distance by rotation on the spiral portion of the binding port;

A case having a rear portion integrally coupled to one side of the nut and moving together by a rotational movement of the nut, wherein the spiral portion of the binding port is accommodated therein;

A predetermined length of the rear side is accommodated in the case, and a part of the front portion protrudes forward of the case and slides in the front and rear direction in the case;

A cushioning means mounted between an inner side of the case and an outer space of the slide tube so as to make an elastic movement of the front and rear direction of the slide tube;

Consists of two constituent members so as to be respectively bound to the left and right sides of the end of the slide tube projecting forward of the case, the binding is made with the slide tube in the upper portion and the lower portion extends out to the position below the end of the slide tube A clamping member having a semi-circular strand wire insertion hole formed thereon so as to form an insertion hole into which the strand is inserted and clamped on the joint surface;

Characterized in that it comprises a binding member for integrally binding the separated clamping member on both sides of the slide tube end.

Further, according to the shock absorbing clamp of the present invention for achieving the above object, in the shock absorbing clamp for continuously binding the stranded wire for installing the communication cable on the pole, on the pole

One side is provided with a loop portion to facilitate the binding member is installed at a predetermined position of the pole, the other side is a binding hole formed with a spiral portion of a predetermined length;

A nut that is screwed to move a predetermined distance by rotation on the spiral portion of the binding port;

A case having a rear portion integrally coupled to one side of the nut and moving together by a rotational movement of the nut, wherein the spiral portion of the binding port is accommodated therein;

A predetermined length of the rear is accommodated in the case, and a part of the front portion protrudes toward the front of the case, and a predetermined length of the end portion is formed of a flat portion having a predetermined thickness, and in a vertical position at a predetermined position on the flat portion. A slide tube having a penetrating binding groove formed therein;

A cushioning means mounted between an inner side of the case and an outer space of the slide tube so as to make an elastic movement of the front and rear direction of the slide tube;

It is bent in the shape of a flat plate (c) to be inserted from one side of the flat portion of the slide tube, and a semi-circular strand insertion hole is formed in a longitudinal direction on one side of the upper surface thereof, and the flat end portion of the slide tube A first clamping member formed by penetrating the up and down direction of a binding groove for binding;

A clamping bolt for attaching the first clamping member to the flat portion of the slide tube is attached to the lower portion, and a semi-circular strand wire insertion hole is formed in which a strand is inserted and clamped on one side of the bottom surface, thereby clamping the first clamping member and the first clamping member. A second clamping member for forming a substantially circular through groove into which the strand can be clamped at the time of joining,

The fastening bolt of the second clamping member is characterized in that it is composed of a fastening member for binding with the fastening bolt in a state inserted into the fastening grooves formed on the flat portion of the first clamping member and the slice tube, respectively.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

1 to 5 show a first embodiment of the shock absorbing clamp according to the present invention,

1 is a perspective view of the shock absorbing clamp,

2 is an exploded perspective view of the clamping part of the shock absorbing clamp shown in FIG.

3 is a cross-sectional view taken along the line A-A of FIG.

Referring to FIGS. 1 to 3, a case 1, which may be formed in a cylindrical shape such as a cylinder or a polygon, is located at the center of the shock absorbing clamp 2. At one end, a fixed fastener 3 is provided to fix the shock absorbing clamp 2 of the present invention to a pole, and a clamping means 7 for fastening a stranded wire is located on the opposite side of the fixed fastener 3. .

The fixed fastener 3 is provided with an annular ring portion 3a so that one end can be fixed to a fastening member (19 in FIG. 8) installed at a predetermined position on the main pole, and the other side has a diameter of a predetermined size. The spiral portion 3b is formed to have a predetermined length around the outer circumference of the circular rod to be screwed with the nut 4 fixedly coupled to the case 1.

The case 1 located at the center of the shock absorbing clamp 2 according to the present invention is an approximately long cylindrical tube with one end tapered, one side of which is capable of fastening the shock absorbing clamp 2 of the present invention to a pole. Fixing means such as (3) is provided, and the other side of the case (1) clamping means (7) to enable easy connection and disconnection while simultaneously clamping the stranded wire (17 in Figure 8) with a strong pressing force irremovable ) Is installed.

On one side of the case 1 is integrally fixed by the welding or the like with the side portion of the nut (4) fastened on the spiral portion (3b) of the fixing fastener 3, by the rotation of the nut (4) The case 1 is also rotated together integrally.

The nut 4 properly adjusts the tension of the completed strand on the pole by moving the case 1 on the helix portion 3b of the fixed fastener 3 in the longitudinal direction of the strand by the rotation of the nut 4. If you can use it critically.

Inside the case 1, a slide tube 5 having a stopper 5a is formed and inserted into the rear end circumferentially, and the slide tube 5 has a cylindrical or square hollow interior. It can be formed by various deformations in the form of a column, and also the material to be formed using a material having excellent corrosion resistance, for example, stainless steel.

As shown in FIG. 3, the slide tube 5 has a stopper 5a formed on the circumferential circumference of the end portion, and the stopping jaw 1a formed at the distal end of the stopper 5a and the case 1. The spring 6 is mounted between the spring and the spring 6 so as to cushion the front and rear motion in the case 1 of the slide tube 5 to be elastic.

Therefore, the spring 6 uses a compression spring that maintains a certain amount of tension so as to properly disperse the load due to the external shock applied to the shock absorbing clamp 2 and perform a shock absorbing action.

On the side of the slide tube 5 is clamping means 7 for connecting and binding the stranded wire as described above.

The clamping means 7 is mounted to the front portion of the slide tube 5, which will be described in more detail as follows.

The clamping means 7 provided at both ends of the front side of the slide tube 5, as shown in FIG. 2, is moved from both ends to the left and right sides of the slide tube 5 at the leading end thereof. It consists of the clamping members 9a and 9b divided into two, and the fastening member which binds the clamping members 9a and 9b to the slide tube 5. As shown in FIG.

In the lower predetermined positions of the clamping members 9a and 9b, the strand wire insertion holes 12a and 12b are formed, respectively, in which the stiffness is continuously inserted in the longitudinal direction and clamped. Is formed. In this case, in particular, in order to be able to firmly clamp the strands, a plurality of locking jaws 13 are formed on the inner surface thereof.

In addition, in order to prevent slippage in the longitudinal direction of the stranded wire even between the divided clamping members 9a and 9b, the locking jaws 14a and 14b curved unevenly on the binding surface of the lower ends of the clamping members 9a and 9b are provided. Form corresponding to each other. Therefore, when the two clamping members 9a and 9b are coupled, it is possible to maintain a more solid binding of the strand by preventing the slip by the external force given in the horizontal direction.

Meanwhile, the strand wire inserting holes 12a and 12b into which the strand wire is inserted and clamped are formed at the lower portion of the clamping members 9a and 9b, that is, the lower portion of the slide tube 5 attached to the upper portion, and thus the strand of the strand wire is continuously connected. Make it possible.

On the other hand, in order to fasten the clamping members 9a and 9b divided into the two members at the predetermined positions of the slide tube 5, the binding holes 8 penetrate laterally to the predetermined positions of the front surface of the slide tube 5. And forming other binding holes 15a and 15b corresponding to the binding holes 8 at upper predetermined positions of the clamping members 9a and 9b, respectively, and then using the binding holes 8, 15a and 15b. To a binding member such as a bolt 10 and a nut 11.

At this time, by using the washer 16 between the bolt 10 and the nut 11 to achieve a more stable binding.

4 is a cross-sectional view taken along the line B-B of FIG.

5 is a bottom view of the clamping portion shown in FIG.

4 and 5, the clamping members 9a and 9b divided into two members are fastened to both ends of the slide tube 5 by bolts 10 and nuts 11 as fastening members. In the fastened state, the locking jaw 17 inserted through the strand wire insertion holes 12a and 12b into the lower portion of the clamping members 9a and 9b is formed on the inner side of the strand wire insertion holes 12a and 12b. It binds more firmly by (13).

In addition, since the lower engaging portion of the clamping member 9a, 9b divided into two members is engaged with the uneven locking jaw 14a, 14b corresponding to each other, the bottom surface of the coupled state as shown in FIG. Will appear in a curved form.

6 is an exploded perspective view illustrating the main part of the clamping means of the cushioning clamp for cable construction according to the second embodiment of the present invention.

Referring to FIG. 6, in the buffer clamp according to Embodiment 2 of the present invention, in the buffer clamp 2 of Embodiment 1, the fixing means on the side fixed on the pole (20 in FIG. 8) is the same. This is a case where the configuration of the strand wire clapping portion installed on the front surface of the slide tube 5 is changed.

That is, the tip end portion recognition portion of the slide tube 5 is composed of a flat portion 5b having a flat portion having a predetermined thickness and having a flat upper and lower surface, and penetrating the predetermined portion of the flat portion 5b in a vertical direction. Form the hole 8.

The clamping means for fastening the strand using the binding hole 8 includes a first clamping member 21a inserted into one side of the flat portion 5b of the slide tube and a slide of the first clamping member 21a on the slide. A second clamping member 21b to which the fixing bolt 22 is attached to fasten the side flat portion 5b of the tube 5, and the fixing bolt 22 below the flat portion 5b of the slide tube. It consists of a nut 11 is fastened with.

The first clamping member 21a is formed in a substantially d-shaped (c) shape so as to be inserted from the side of the flat portion 5b of the slide tube, and a semi-circular strand wire is inserted in one side of the upper surface along the longitudinal direction. The ball 12c is formed.

The second clamping member 21b is inserted into the binding hole 15a formed in the first clamping member 21a and the binding hole 8 formed in the slide tube flat portion 5b, thereby providing a first clamping member 21a. The fixing bolt 22 for attaching to the slide tube 5 is attached to the lower surface, and at the same time, the strand wire insertion hole formed in the upper surface of the first clamping member 21a when the first clamping member 21a is attached. Corresponding to 12c), a substantially semicircular strand wire insertion hole 12d is formed symmetrically on the joining surface so as to form a substantially circular lecture insertion hole.

At this time, on the inner surface side of the strand wire insertion hole (12c, 12d) has a locking jaw 13 for stably binding the strand wire is formed at a predetermined interval.

7 is a view illustrating a cable clamp cushion according to a third embodiment of the present invention, which is a partially exploded perspective view in which the clamping portion of the buffer clamp is disassembled.

Referring to FIG. 7, the shock absorbing clamp according to the third embodiment of the present invention has almost the same configuration as that of the second embodiment of the present invention, but the first clamping member (B) is fastened on the slide tube flat portion 5b. 23a) and uneven locking jaws 14c and 14d for preventing the slide of the strand in the insertion direction on the strand insertion holes 12c and 12d into which the strand is inserted and clamped in the second clamping member 23b. Formed.

At this time, the concave-convex locking jaw 14c, 14d forms a concave locking jaw 14c in the first clamping member 21a, and a concave locking jaw 14d in the second clamping member 23b, or The reverse can be formed.

As described above, when continuously laying the cable between the pole and the pole pole using the buffer clamp for cable construction according to the present invention configured as described above, the strands on which the cable is supported are fixed and separated from the pole pole, or the tension is adjusted. In this case, the present invention may be effectively used, and the method and effect thereof may be described in detail as follows.

8 is a view showing an example in which the twisted wire and the cable is installed between the poles by using the buffer clamp for cable construction according to the present invention.

Referring to FIG. 8, first, a binding hole provided on one side of the shock absorbing clamp 2 of the present invention is provided at the binding member 19 installed at an upper predetermined position of the pole 20 for temporary laying the cable 18 ( 3) Hook the shock absorbing clamp (2).

Then, any intermediate portion (hereinafter referred to as midway) of the continuous strand 17 is pulled and inserted between the clamping holes 12a and 12b of the side clamping means 7 of the shock absorbing clamp 2. Is as follows.

That is, in the case of the first embodiment of the present invention shown in FIG. 1, the middle of the strand 17 is inserted through the strand wire insertion holes 12a and 12b formed in the lower portion of the clamping members 9a and 9b. The clamping operation is completed by inserting the coupling holes 8, 15a, and 15b into the bolts 10 for coupling the clamping members 9a and 9b, and then screwing them into the nuts 11.

In the case of the second and third embodiments of the present invention shown in FIGS. 6 and 7, the first clamping members 21a and 23a slide on one side of the flat portion 5b of the slide tube 5. And the first clamping members 21a and 23b and the second clamping members 21b and 23b because the second clamping members 21b and 23b are attached to the first clamping members 21a and 23a to clamp the strand. After pulling the middle of the strand wire 17 into the strand wire insertion holes 12c and 12d formed therebetween, the first clamping members 21a and 23a and the second clamping members 21b and 23b are connected to the nut 11. Use screws to complete the work.

When clamping the strand 17 in the strand insertion holes 12a, 12b, 12c, and 12d formed on the first and second clamping members 9a, 9b, 21a, and 21b, the friction force is maximized to prevent slippage. In order to be able to be a plurality of locking projections (13) or the twisted wires 17, the uneven locking jaw (14a, 14b, 14c, 14d) that can be clamped in a bent state is selectively formed and the strands (17) The clamping of can be made more firm.

When the midway of the stranded wire 17 is clamped using the buffer clamp 2, that is, when the construction of the stranded wire 17 is completed on the pole 20, it is necessary to appropriately adjust the tension of the stranded wire 17. When the case 1 is rotated in the forward or reverse direction by coupling a tool such as a wrench to the rear end nut 4 of the case 1, the tension of the strand 17 is appropriately adjusted in the left and right directions.

In addition, when it is necessary to separate the stranded wire 17 from the buffer clamp 2 due to communication failure or other reasons, it can be separated by a simple operation as follows.

In other words, if the bolts 10 and 22 that are fastening the two separated clamping members 9a, 9b, 21a, 21b, 23a, and 23b are screwed out, the respective clamping blocks 9a, 9b, 21a, 21b, 23a, 23b) and the stranded wire 17 clamped between the stranded wire insertion holes 12a, 12b, 12c, and 12d are simply separated.

In addition, the shock absorbing clamp 2 according to the present invention is provided with a slide tube 5 which is elastically slidable by a compression spring 6 embedded in the case 1, and clamping means (1) at the side of the slide tube 5 ( 7) is provided to clamp the intermediate portion, not the end of the strand 17, after all, the impact applied to the strand 17 is directed to the slide tube (5) through the clamping means (7), the slide tube (5) The front end is supported by the compression spring 6 supported by the inner stopper 1a of the case 1 and the rear end is supported by the rear stopper 5a of the slide tube 5. 1) It can be slid forward from the inside to cushion the external shock.

In addition, when the tensile force caused by the external shock is released, the slide 6 is restored by moving backward from the inside of the case 1 by the restoring force of the spring 6.

As described in detail above, the buffer clamp of the present invention is provided with a binding hole on one side to facilitate binding with the pole, and the other side is divided into two to easily detach the strand wire that is continuously installed between the pole and the pole pole phase. By means of clamping means consisting of a clamping member, it is possible to handle the work more quickly and efficiently when the communication cable and the strand are installed continuously and over long distances on the pole.

In addition, it is possible to easily adjust the tension even after installed on the entire circumference of the strand by rotating the nut bound to the rear end of the case of the present invention to move the case forward and backward.

In addition, the spring, which is a cushioning means, is installed between the case located at the outermost side of the clamp and the inner slide tube to prevent breakage or cutting of the strand due to external impact in advance, thereby minimizing accidents such as communication breakdown. Can be.

In the following claims, there will be disclosed a novel technique particularly intended to be protected among the technical problems to be solved in the present invention, but various modifications that can be easily changed by those skilled in the art. Even if it is to be included in the same category of the present invention as long as the basic configuration.

Claims (14)

In the buffer clamp for continuously binding the cable and the stranded wire bound to the pole in order to install the communication cable on the pole, one side is provided with a hook portion to facilitate the binding member installed at a predetermined position of the pole, the other side A fixed fastener formed with a spiral of a predetermined length; A nut screwed to move a predetermined distance by rotation on the spiral portion of the binding hole; A case having a rear portion integrally coupled to one side of the nut and moving together by a rotational movement of the nut, wherein the spiral portion of the binding port is accommodated therein; A predetermined length of the rear side is accommodated in the case, and a part of the front portion protrudes forward of the case and slides in the front and rear direction in the case; A cushioning means mounted between an inner side of the case and an outer space of the slide tube so as to make an elastic movement of the front and rear direction of the slide tube; It consists of two constituent members to be respectively bound to the left and right sides of the end of the slide tube protruding toward the front of the case, the binding is made with the slide tube in the upper portion and the lower portion is extended to the position below the end of the slide tube A clamping member each having a semi-circular strand wire insertion hole formed so as to form an insertion hole into which the strand is inserted and clamped upon joining on the joint surface thereof; The buffer clamp for cable construction, characterized in that consisting of a binding member for integrally binding the separated clamping member on both sides of the slide tube end. The cushion clamp of claim 1, wherein the case is a cylindrical case having an empty interior. The buffer clamp for cable construction according to claim 1, wherein the slide tube is a slide tube having a hollow square shape. The cushioning clamp for cable construction according to claim 1, wherein the fastening member is a bolt and a nut. The cushioning clamp for cable hypothesis according to claim 1, wherein a plurality of catching jaws are formed on the inner surface of the strand wire insertion hole below the clamping member to smoothly bind the strand wire along its longitudinal direction. The cushioning clamp for cable hypothesis according to claim 1, wherein an uneven locking jaw for preventing sliding in the longitudinal direction is formed to correspond to each other on the lower joining surface of the clamping member. The cushion clamp of claim 1, wherein the buffer means is a compression spring. In the buffer clamp for continuously binding the stranded wire for installing the communication cable on the pole around the pole, one side is provided with a hook portion to facilitate the binding member installed at a predetermined position of the pole, the other side of the spiral portion A fixed fastener formed; A nut screwed to move a predetermined distance by rotation on the spiral portion of the binding hole; A case having a rear portion integrally coupled to one side of the nut and moving together by a rotational movement of the nut, wherein the spiral portion of the binding port is accommodated therein; A predetermined length of the rear is accommodated in the case, and a part of the front portion protrudes toward the front of the case, and a predetermined length of the end portion is formed of a flat portion having a predetermined thickness, and in a vertical position at a predetermined position on the flat portion. A slide tube having a penetrating binding groove formed therein; A cushioning means mounted between an inner side of the case and an outer space of the slide tube so as to make an elastic movement of the front and rear direction of the slide tube; It is bent in the shape of a flat plate (c) to be inserted at one side of the flat portion of the slide tube, and a semi-circular strand insertion hole is formed in a longitudinal direction at one side of the upper surface thereof, and the flat portion of the slide tube A first clamping member is formed by penetrating a fastening groove for fastening in a vertical direction, and a clamping bolt for fastening the first clamping member to a flat portion of the slide tube is attached to a lower portion thereof, and a strand is attached to one side of the bottom surface. The second clamping member is formed of an approximately semi-circular strand wire insertion hole inserted and clamped to form a substantially circular through groove through which the strand can be clamped when joined with the first clamping member, and the fixing bolt of the second clamping member A binding to the fixing bolt in a state where the first clamping member is inserted into a binding groove formed on each of the flat portions of the slice tube. Cabling buffer clamp being configured to ashes. 9. The cable clamp of claim 8, wherein the case is a cylindrical case having an empty interior. The buffer clamp for cable construction according to claim 8, wherein the part accommodated in the case of the slide tube is a tube of a square pillar shape having an empty inside. 9. The cable clamp of claim 8, wherein the binding member is a nut. The method of claim 8, wherein a plurality of engaging jaw for preventing the sliding in the longitudinal direction is formed on the inner surface of the strand wire insertion hole formed on the lower joining surface of the first clamping member and the second clamping member. Buffer clamp for cable laying. The cushion clamp of claim 8, wherein an uneven locking jaw is formed to correspond to each other on a joining surface of the strand insertion hole formed in the first clamping member and the second clamping member. 9. The cable clamp of claim 8, wherein the shock absorbing means is a compression or tension spring.