CN223729417U

CN223729417U - A fracture-resistant pre-twisted tension clamp

Info

Publication number: CN223729417U
Application number: CN202423320996.2U
Authority: CN
Inventors: 胡先嘉; 胡伙新; 胡先进
Original assignee: Guangdong Chaonengli Power Technology Co ltd
Current assignee: Guangdong Chaonengli Power Technology Co ltd
Priority date: 2024-12-31
Filing date: 2024-12-31
Publication date: 2025-12-26
Anticipated expiration: 2034-12-31

Abstract

The utility model discloses an anti-fracture preformed armor rod strain clamp which comprises a heart-shaped ring, a U-shaped frame and a fixing bolt, wherein a preformed armor rod is arranged in the heart-shaped ring, a fastening ring is arranged on one side of the preformed armor rod, the U-shaped frame is connected with the surface of the heart-shaped ring, the top of the U-shaped frame is connected with a connecting column, an inner stranded wire of the preformed armor rod is firstly wound on the surface of a cable, an outer stranded wire is then wound on the surface of the cable, the outer stranded wire and the tail end of the inner stranded wire do not need to cross when the preformed armor rod is in a uniform gap, the tail end of the outer stranded wire and the tail end of the inner stranded wire are wound in place, the fastening ring fastens the tail end of the preformed armor rod on the surface of the cable, so that the connection between the outer side of the preformed armor rod and the cable is firmer, a threaded sleeve on the outer side is controlled by a threaded rod to move, the threaded sleeve and a clamping plate is controlled to be in a vertical state, and the clamping plate is clamped and fixed with the surface of the heart-shaped ring, and huge shaking of the U-shaped frame on the surface of the heart-shaped ring can be avoided when a heavy wind weather is encountered.

Description

Prevent cracked preformed armor rod strain clamp

Technical Field

The utility model relates to the technical field of strain clamps, in particular to an anti-fracture preformed armor rod type strain clamp.

Background

The preformed strain clamp is widely applied to the middle and terminal fixation of overhead line conductors and overhead optical cables, has the characteristics of high holding force, light weight, uniform stress distribution, good corrosion resistance, simple installation, strong universality and the like, and is widely applied to overhead optical cables such as conductors, overhead composite ground wires OPGWs, overhead composite phase wires OPPC, all-medium self-supporting overhead optical cables ADSS and the like.

In the prior art, under the influence of strong wind force, when the tension between a wire and a strain clamp is too large, the strain clamp and a cable are easily separated, or the cable is broken or the frame body and the positioning ring are greatly rocked, so that serious electric accidents occur. In view of the above, we propose a pre-twisted wire strain clamp that is fracture-resistant.

Disclosure of utility model

The utility model aims to provide a pre-twisted wire type strain clamp capable of preventing breakage, so as to solve the problems in the background art.

In order to achieve the aim, the utility model provides the technical scheme that the pre-twisted wire type strain clamp for preventing breakage comprises a heart-shaped ring, a U-shaped frame and a fixing bolt;

the inside of the heart-shaped ring is provided with a preformed armor rod, one side of the preformed armor rod is provided with a fastening ring, and the fastening ring is used for fixing the preformed armor rod;

The U-shaped frame is arranged on the surface of the heart-shaped ring, the top of the U-shaped frame is connected with a connecting column, the connecting column and the U-shaped frame are fixedly arranged, the top of the connecting column is provided with positioning rings, the positioning rings and the connecting column are fixedly arranged, and the number of the positioning rings is two;

The fixing bolts are arranged on the inner sides of the two groups of positioning rings, a reinforcing mechanism is arranged on the inner side of the U-shaped frame, and the threaded rod of the reinforcing mechanism drives the threaded sleeve and the clamping plate to move downwards so that the clamping plate integrally reinforces, positions and clamps the centering ring.

Preferably, the reinforcing mechanism comprises a rotating rod connected with the top of the threaded rod, the rotating rod and the threaded rod are fixedly arranged, the rotating rod is rotationally connected with the inside of the fixing bolt, the top of the rotating rod is connected with a rotary table, the rotary table and the rotating rod are fixedly arranged, the threaded sleeve is in threaded connection with the surface of the threaded rod, the clamping plate is connected with the bottom of the threaded sleeve, and the clamping plate and the threaded sleeve are fixedly arranged.

Preferably, the surface of the threaded sleeve is connected with a limiting rod, one side of the limiting rod is connected with a limiting ring, the limiting ring is slidably connected to the surface of the U-shaped frame, the limiting ring and the limiting rod are fixedly arranged, and the limiting ring and the limiting rod can limit the movement of the threaded sleeve by utilizing the arrangement of the U-shaped frame.

Preferably, the surface of the fixing bolt is in threaded connection with a nut, the nut is located on one side of one group of the positioning rings, and the nut is in threaded connection with the surface of the fixing bolt to fix the positioning rings.

Preferably, one side of the preformed armor rods is connected with a connecting end, the connecting end and the preformed armor rods are integrally formed, the other side surface of the preformed armor rods is connected with an outer stranded wire, the outer stranded wire and the preformed armor rods are integrally formed, the other side surface of the preformed armor rods is connected with an inner stranded wire at the bottom of the outer stranded wire, and the preformed armor rods and the inner stranded wire are integrally formed.

Preferably, a cable is arranged on the inner side of the preformed armor rods.

Compared with the prior art, the utility model has the beneficial effects that the preformed armor rods penetrate through the heart-shaped ring, the connecting ends on the preformed armor rods are connected with the heart-shaped ring, so that the preformed armor rods are parallel to the cable, the inner stranded wires of the preformed armor rods are firstly wound on the surface of the cable, then the outer stranded wires are wound on the surface of the cable, the preformed armor rods do not need to be crossed when being in preformed armor rods, the gaps are uniform, the tail ends of the outer stranded wires and the tail ends of the inner stranded wires are wound in place, and the tail ends of the preformed armor rods are fastened on the surface of the cable by using the fastening rings, so that the connection between the preformed armor rods and the cable is firmer, and the situation of breakage is avoided;

The rotating disc drives the rotating rod and the threaded rod to rotate, the threaded rod can control the threaded sleeve on the outer side to start moving, the threaded sleeve is connected to the outer side of the U-shaped frame in a sliding mode through the limiting ring on the outer side, so that the threaded sleeve and the clamping plate can be controlled to move in a vertical state all the time, the clamping plate can be clamped and fixed with the surface of the heart-shaped ring, further fixation is completed, and when the weather of strong wind is met, huge shaking of the U-shaped frame on the surface of the heart-shaped ring can be avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the utility model when the fixing bolt, the U-shaped frame and the heart-shaped ring are connected;

Fig. 3 is a schematic structural view of the preformed armor rods of the present utility model.

In the figure, 1, a heart-shaped ring; 2, preformed armor rods, 21, connecting ends, 22, inner stranded wires, 23, outer stranded wires, 3, cables, 4, fastening rings, 5, U-shaped frames, 6, limit rings, 7, fixing bolts, 8, turntables, 9, connecting columns, 10, locating rings, 11, rotating rods, 12, threaded rods, 13, threaded sleeves, 14, limit rods, 15, clamping plates, 16 and nuts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a technical scheme that an anti-fracture preformed armor clamp comprises a heart-shaped ring 1, wherein preformed armor rods 2 are arranged in the heart-shaped ring 1, and a fastening ring 4 is arranged on one side of each preformed armor rod 2;

The U-shaped frame 5 is arranged on the surface of the heart-shaped ring 1, the top of the U-shaped frame 5 is connected with a connecting column 9, the top of the connecting column 9 is provided with positioning rings 10, and the number of the positioning rings 10 is two;

The fixing bolts 7, the fixing bolts 7 are arranged at the inner sides of the two groups of positioning rings 10, a reinforcing mechanism is arranged at the inner side of the U-shaped frame 5, and the threaded rod 12 of the reinforcing mechanism drives the threaded sleeve 13 and the clamping plate 15 to move downwards so that the clamping plate 15 integrally reinforces, positions and clamps the heart-shaped ring 1.

The reinforcing mechanism comprises a rotating rod 11 connected with the top of a threaded rod 12, the rotating rod 11 and the threaded rod 12 are fixedly arranged, the rotating rod 11 is rotationally connected with the inside of a fixing bolt 7, the top of the rotating rod 11 is connected with a rotary disc 8, the rotary disc 8 and the rotating rod 11 are fixedly arranged, a threaded sleeve 13 is in threaded connection with the surface of the threaded rod 12, a clamping plate 15 is connected with the bottom of the threaded sleeve 13, and the clamping plate 15 and the threaded sleeve 13 are fixedly arranged.

The surface of the threaded sleeve 13 is connected with a limiting rod 14, one side of the limiting rod 14 is connected with a limiting ring 6, the limiting ring 6 is slidably connected to the surface of the U-shaped frame 5, the limiting ring 6 and the limiting rod 14 are fixedly arranged, and the movement of the threaded sleeve 13 can be limited by the limiting ring 6 and the limiting rod 14 by utilizing the arrangement of the U-shaped frame 5.

The surface of the fixing bolt 7 is in threaded connection with a nut 16, the nut 16 is positioned on one side of one group of the positioning rings 10, and the nut 16 is in threaded connection with the surface of the fixing bolt 7 to fix the positioning rings 10.

One side of preformed armor rods 2 is connected with link 21, sets up for integrated into one piece between link 21 and the preformed armor rods 2, the opposite side surface of preformed armor rods 2 is connected with outer stranded conductor 23, sets up for integrated into one piece between outer stranded conductor 23 and the preformed armor rods 2, the opposite side surface of preformed armor rods 2 is located the bottom of outer stranded conductor 23 and is connected with interior stranded conductor 22, preformed armor rods 2 and the setting of integrated into one piece between.

The inner side of the preformed armor rods 2 is provided with a cable 3.

Specifically, when in use, before the preformed armor rods 2 are installed, the preformed armor rods 2 pass through the heart-shaped ring 1, the connecting ends 21 on the preformed armor rods 2 are connected with the heart-shaped ring 1, so that the preformed armor rods 2 are parallel to the cables 3, the inner stranded wires 22 of the preformed armor rods 2 are wound on the surfaces of the cables 3, then the outer stranded wires 23 are wound on the surfaces of the cables 3, no intersection is needed when the preformed armor rods 2 are wound, the gaps are uniform, the tail ends of the outer stranded wires 23 and the tail ends of the inner stranded wires 22 are wound in place, and the tail ends of the preformed armor rods 2 are fastened on the surfaces of the cables 3 by using the fastening rings 4, so that the connection between the preformed armor rods and the cables 3 is more stable;

The rotating disc 8 drives the rotating rod 11 and the threaded rod 12 to rotate, the external threads on the outer side of the threaded rod 12 are matched with the internal threads on the inner side of the threaded sleeve 13, at the moment, the threaded rod 12 can control the threaded sleeve 13 on the outer side to start moving, the threaded sleeve 13 is slidably connected to the outer side of the U-shaped frame 5 through the outer limiting ring 6, so that the threaded sleeve 13 and the clamping plate 15 can be controlled to move in a vertical state all the time, the clamping plate 15 can be clamped and fixed with the surface of the heart-shaped ring 1, further fixation is completed, and huge shaking of the U-shaped frame 5 on the surface of the heart-shaped ring 1 can be avoided when the weather of strong wind is met.

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

Claims

1. The utility model provides a prevent preformed armor rod strain clamp of fracture which characterized in that includes:

The device comprises a heart-shaped ring (1), wherein a preformed armor rod (2) is arranged in the heart-shaped ring (1), and a fastening ring (4) is arranged on one side of the preformed armor rod (2);

The U-shaped frame (5), the U-shaped frame (5) is arranged on the surface of the heart-shaped ring (1), the top of the U-shaped frame (5) is connected with a connecting column (9), the top of the connecting column (9) is provided with positioning rings (10), and the number of the positioning rings (10) is two;

The fixing bolts (7), the fixing bolts (7) are arranged on the inner sides of the two groups of locating rings (10), a reinforcing mechanism is arranged on the inner side of the U-shaped frame (5), and a threaded rod (12) of the reinforcing mechanism drives the threaded sleeve (13) and the clamping plate (15) to move downwards so that the clamping plate (15) integrally reinforces, locates and clamps the heart-shaped ring (1).

2. The anti-fracture pre-twisted wire type strain clamp according to claim 1, wherein the reinforcing mechanism comprises a rotating rod (11) connected to the top of a threaded rod (12), the rotating rod (11) is rotatably connected to the inside of a fixing bolt (7), a turntable (8) is connected to the top of the rotating rod (11), a threaded sleeve (13) is in threaded connection with the surface of the threaded rod (12), and a clamping plate (15) is connected to the bottom of the threaded sleeve (13).

3. The anti-fracture preformed armor clamp according to claim 2, characterized in that the surface of the threaded sleeve (13) is connected with a limiting rod (14), one side of the limiting rod (14) is connected with a limiting ring (6), and the limiting ring (6) is slidingly connected to the surface of the U-shaped frame (5).

4. The anti-fracture preformed armor clamp according to claim 1, characterized in that the surface of the fixing bolt (7) is screwed with a nut (16), and the nut (16) is located at one side of one of the positioning rings (10).

5. The anti-fracture preformed armor clamp according to claim 1, wherein one side of the preformed armor rod (2) is connected with a connecting end (21), the other side surface of the preformed armor rod (2) is connected with an outer stranded wire (23), and the other side surface of the preformed armor rod (2) is positioned at the bottom of the outer stranded wire (23) and is connected with an inner stranded wire (22).

6. The breakage-proof pre-twisted wire strain clamp according to claim 1, characterized in that the inner side of the pre-twisted wire (2) is provided with a cable (3).