CN212572020U

CN212572020U - Bunched conductor strain clamp

Info

Publication number: CN212572020U
Application number: CN202021198322.9U
Authority: CN
Inventors: 沈雁冰
Original assignee: Yunnan Abe Xin Power Engineering Technology Co ltd
Current assignee: Yunnan Abe Xin Power Engineering Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-19
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a strain clamp of a bunched conducting wire in the technical field of power transmission lines, which comprises a bracket, one side of the bracket is fixedly connected with a connecting rod, the tail end of the connecting rod is fixedly connected with a pull ring, the bottom of the bracket is provided with an adjusting rod in a penetrating way, the top of the adjusting rod is provided with threads, the top of the adjusting rod penetrates through the bracket and is connected with an adjusting rod nut in a threaded way, the bottom of the adjusting rod is connected with a roller in a penetrating way, one side of the bottom of the bracket far away from the adjusting rod is fixedly connected with a tightening clamp groove, an occlusion inner wedge is arranged inside the tightening clamp groove, the strain clamp for the bunched conductor has a simple structure, realizes the firm fixation of the bunched conductor, avoids the extrusion deformation damage of a plurality of groups of U-shaped clamping pins arranged on the common strain clamp to the bunched conductor, meanwhile, a supporting structure is arranged on the lead wires led out downwards in an opposite mode, and the condition that the bundled lead wires are broken and damaged is avoided.

Description

Bunched conductor strain clamp

Technical Field

The utility model relates to a transmission line technical field specifically is a wire strain clamp tied in a bundle.

Background

The strain clamp is a hardware fitting used for fixing a lead to bear the tension of the lead and hanging the lead to a strain insulator-string group or a tower; the strain clamp can be roughly divided into two types according to the difference of the structure and the installation condition, the first type: the strain clamp is required to bear all tensile force of a lead or a lightning conductor, the clamp grip strength is not less than ninety percent of the rated tensile force of the installed lead or the lightning conductor, but the strain clamp is not used as an electric conductor, the type of the strain clamp can be detached for additional use after the lead is installed, and the type of the strain clamp comprises a bolt type strain clamp, a wedge type strain clamp and the like; the second type: the strain clamp can bear all tensile force of a lead or a lightning conductor and also can be used as a conductor, so that the strain clamp can not be disassembled once being installed, and the strain clamp is also called as a dead clamp; the strain clamp is used for fixing a lead wire or a lightning conductor on a strain insulator string of a nonlinear tower, plays an anchoring role and is also used for fixing a stay wire of a stay wire tower; the U-shaped clamping pins of multiple groups are adopted for fixing the wires, but the multiple groups of U-shaped clamping pins can cause the damage of extrusion deformation to the bunched wires, and the bunched wires led downwards by the common strain clamp are not fixed and supported, so that the bunched wires can be damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wire strain clamp tied in a bundle to the wire tied in a bundle who proposes in solving above-mentioned background art receives extrusion deformation, receives the problem of losing.

In order to achieve the above object, the utility model provides a following technical scheme: a strain clamp for bunched conductors comprises a support, wherein a connecting rod is fixedly connected to one side of the support, a pull ring is fixedly connected to the tail end of the connecting rod, an adjusting rod penetrates through the top of the support, threads are arranged on the top of the adjusting rod, an adjusting rod nut penetrates through the top of the adjusting rod and is connected with the threads of the support, a roller penetrates through the bottom of the adjusting rod, a tightening clamp groove is fixedly connected to one side of the bottom of the support, which is far away from the adjusting rod, an engagement inner wedge is arranged inside the tightening clamp groove, a tightening clamp cap is movably connected to one side, which is close to the adjusting rod, of the engagement inner wedge, the tightening clamp cap is movably connected with the inner wall of the tightening clamp groove, a protection groove is formed in one side, which is far away from the tightening clamp groove, a U-shaped wire clamp is arranged, the U-shaped wire clamp threaded rod penetrates through the support and is in threaded connection with a U-shaped wire clamp nut, the bottom of the inside of the U-shaped wire clamp is fixedly connected with a wire clamping seat, a wire clamping groove is formed in the top of the wire clamping seat, the top of the inner cavity of the protection groove is fixedly connected with a wire clamping base, and a wire clamping base groove is formed in the bottom of the wire clamping base.

Preferably, the wire clamping groove and the wire clamping base groove are both provided with anti-slip lines, the wire clamping groove and the wire clamping base groove are both arc-shaped, and the arc radius of the wire clamping groove is larger than that of the wire clamping base groove.

Preferably, the U-shaped wire clamp threaded rods are arranged in six groups, and the six groups of U-shaped wire clamp threaded rods are uniformly distributed at the top of the U-shaped wire clamp.

Preferably, the support is L-shaped, the adjusting rod is J-shaped, and a U-shaped groove is formed in the bottom of the support.

Preferably, the tightening clamp groove and the tightening clamp cap are both horseshoe-shaped, the tightening clamp cap is made of rubber, and the radius of the tightening clamp cap is smaller than that of the tightening clamp groove.

Compared with the prior art, the beneficial effects of the utility model are that: according to the bunched conductor strain clamp, the bunched conductor is fixed by combining the wire clamping groove with the wire clamping base groove fixed in the protective groove and matching the effect of combining the U-shaped wire clamp threaded rod with the U-shaped wire clamp thread, so that the effect of firmly fixing the bunched conductor is realized; the wire clamping groove and the wire clamping base groove are long, deformation and damage caused by extrusion of a plurality of groups of U-shaped clamping pins arranged on a common strain clamp on the bunched wire can be avoided, and meanwhile, the anti-skid lines arranged in the wire clamping groove and the wire clamping base groove increase the friction force between the anti-skid lines and the bunched wire, so that the tightening effect on the bunched wire is facilitated; the position of the roller is adjusted by combining the arranged tightening clamp groove and the occlusion inner wedge and matching with the use of the adjusting rod, so that the cluster wires led out downwards are supported and fixed, and the condition that the cluster wires are broken and damaged is avoided; this wire strain clamp tied in a bundle, simple structure has realized firmly fixedly to the wire tied in a bundle, and the extrusion deformation that has avoided the multiunit U-shaped bayonet lock that general strain clamp set up to cause the wire tied in a bundle damages, has set up the structure of support to the wire of drawing forth downwards simultaneously, has avoided the condition that the wire tied in a bundle breaks and decreases to appear.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a right side view of the U-shaped wire clamp structure of the present invention;

FIG. 3 is a right side view of the adjusting lever structure of the present invention;

FIG. 4 is a left side view of the overall structure of the present invention;

FIG. 5 is a left side view of the tightening clamp groove structure of the present invention;

fig. 6 is a front view of the overall structure of the present invention.

In the figure: 1. a support; 2. a pull ring; 3. a connecting rod; 4. adjusting a rod; 6. adjusting rod nuts; 7. a drum; 8. tightening the clamp groove; 9. engaging the inner wedge; 10. tightening the clamping cap; 11. a protective groove; 12. a U-shaped wire clamp; 13. a wire clamping base; 14. a U-shaped wire clamp threaded rod; 15. a wire clamping seat; 16. u-shaped wire clamp screw caps; 17. a wire clamping groove; 18. a wire clamping base groove; 19. a U-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present invention provides a technical solution: a strain clamp for bunched conductors comprises a support 1, wherein one side of the support 1 is fixedly connected with a connecting rod 3, the tail end of the connecting rod 3 is fixedly connected with a pull ring 2, the top of the support 1 is provided with an adjusting rod 4 in a penetrating manner, the adjusting rod 4 can be arranged to fix a roller 7, the top of the adjusting rod 4 is provided with threads, the top of the adjusting rod 4 penetrates through the support 1 and is connected with an adjusting rod nut 6 in a threaded manner, the adjusting rod nut 6 can be rotated to drive the adjusting rod 4 to move so as to adjust the position of the roller 7, the bottom of the adjusting rod 4 is connected with the roller 7 in a penetrating manner, the roller 7 can be arranged to support the bunched conductors led downwards, one side of the bottom of the support 1, which is far away from the adjusting rod 4, is provided with a tightening clamp groove 8, an occlusion inner wedge 9 is arranged inside, one side swing joint that is close to regulation pole 4 of interlock inner wedge 9 has tightening clamp cap 10, tightening clamp cap 10 and the inner wall swing joint who tightens up double-layered

groove

8, 1 bottom of support is kept away from one side that tightens up double-layered groove 8 and has been seted up protection groove 11, the inside U-shaped fastener 12 that is provided with of protection groove 11, U-shaped fastener 12 top fixedly connected with U-shaped fastener threaded rod 14, U-shaped fastener threaded rod 14 runs through 1 threaded connection of support has U-shaped fastener nut 16, the inside bottom fixedly connected with wire holder 15 of U-shaped fastener 12, wire holder 17 has been seted up at wire holder 15's top, the inner chamber top fixedly connected with card line base 13 of protection groove 11, card line base 18 has been seted up to the bottom of card line base 13.

Referring to fig. 2, the wire clamping groove 17 and the wire clamping base groove 18 are both provided with anti-slip lines, the wire clamping groove 17 and the wire clamping base groove 18 are both arc-shaped, the arc radius of the wire clamping groove 17 is larger than that of the wire clamping base groove 18, the wire clamping groove 17 and the wire clamping base groove 18 are long, the situation that multiple groups of U-shaped clamping pins arranged on a common strain clamp deform and damage bundled wires due to extrusion can be avoided, meanwhile, the anti-slip lines arranged inside the wire clamping groove 17 and the wire clamping base groove 18 increase the friction force between the bundled wires and the bundling wires, and the fastening effect on the bundled wires is facilitated.

Referring to fig. 1 and 2, the U-shaped wire clamp threaded rods 14 are provided with six groups, the six groups of U-shaped wire clamp threaded rods 14 are uniformly distributed on the top of the U-shaped wire clamp, and the multiple groups of U-shaped wire clamp threaded rods 14 are arranged to enable the wire clamping grooves 17 and the wire clamping base grooves 18 to more firmly fix the bundled wires.

Referring to fig. 3 and 4, the bracket 1 is L-shaped, the adjusting rod 4 is J-shaped, and the bottom of the bracket 1 is provided with a U-shaped groove 19.

Referring to fig. 5, the tightening clamp groove 8 and the tightening clamp cap 10 are both horseshoe-shaped, the tightening clamp cap 10 is made of rubber, the rubber can reduce abrasion to the bundled wires when being led out downwards, and the radius of the tightening clamp cap 10 is smaller than that of the inner cavity of the tightening clamp groove 8.

The working principle is as follows: in practical application, the bunched wire is arranged in a wire clamping groove 17 at the top of a wire clamping seat 15, a U-shaped wire clamp 12 is moved upwards to drive a U-shaped wire clamp threaded rod 14 to penetrate through a support 1, a U-shaped wire clamp nut 16 is assembled, and the U-shaped wire clamp nut 16 is rotated to enable the wire clamping seat 15 and a wire clamping base 13 to be continuously close to each other, so that the bunched wire is extruded by the wire clamping groove 17 and a wire clamping base groove 18, and the bunched wire is firmly fixed between the wire clamping groove 17 and the wire clamping base groove 18; the cooperation interlock inner wedge 9 will gather a bundle the wire and fix in tightening up the clamp groove 8, will tighten up and press from both sides cap 10 joint on the wire of gathering a bundle to install into tightening up in the clamp groove 8, and will gather a bundle the wire setting on cylinder 7, rotate and adjust the pole screw thread, transfer the position of cylinder 7, thereby make the wire of gathering a bundle of drawing forth downwards play support and fixed effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wire strain clamp tied in a bundle, includes support (1), its characterized in that: the clamping device is characterized in that a connecting rod (3) is fixedly connected to one side of the support (1), a pull ring (2) is fixedly connected to the tail end of the connecting rod (3), an adjusting rod (4) penetrates through the top of the support (1), threads are arranged on the top of the adjusting rod (4), an adjusting rod nut (6) penetrates through the top of the adjusting rod (4) and is connected with the support (1), a roller (7) penetrates through the bottom of the adjusting rod (4), a tightening clamping groove (8) is fixedly connected to one side, far away from the adjusting rod (4), of the bottom of the support (1), an interlock inner wedge (9) is arranged inside the tightening clamping groove (8), a tightening clamping cap (10) is movably connected to one side, close to the adjusting rod (4), of the interlock inner wedge (9), the tightening clamping cap (10) is movably connected with the inner wall of the tightening clamping groove (8), a protection groove (11) is formed in one side, far away from the tightening, protection groove (11) inside is provided with U-shaped fastener (12), U-shaped fastener (12) top fixedly connected with U-shaped fastener threaded rod (14), U-shaped fastener threaded rod (14) run through support (1) threaded connection have U-shaped fastener nut (16), inside fixedly connected with wire clamping seat (15) of U-shaped fastener (12), wire clamping groove (17) have been seted up at the top of wire clamping seat (15), the inner chamber top fixedly connected with card line base (13) of protection groove (11), card line base groove (18) have been seted up to the bottom of card line base (13).

2. The bunched conductor strain clamp of claim 1, wherein: the anti-skidding lines are arranged inside the wire clamping groove (17) and the wire clamping base groove (18), the wire clamping groove (17) and the wire clamping base groove (18) are both arc-shaped, and the arc radius of the wire clamping groove (17) is larger than that of the wire clamping base groove (18).

3. The bunched conductor strain clamp of claim 1, wherein: six groups of U-shaped wire clamp threaded rods (14) are arranged, and the six groups of U-shaped wire clamp threaded rods (14) are uniformly distributed at the tops of the U-shaped wire clamps (12).

4. The bunched conductor strain clamp of claim 1, wherein: the support (1) is L-shaped, the adjusting rod (4) is J-shaped, and a U-shaped groove (19) is formed in the bottom of the support (1).

5. The bunched conductor strain clamp of claim 1, wherein: the tightening clamp groove (8) and the tightening clamp cap (10) are both in a horseshoe shape, the tightening clamp cap (10) is made of rubber, and the radius of the tightening clamp cap (10) is smaller than that of the tightening clamp groove (8).