CN218040697U

CN218040697U - Novel bolt type strain clamp

Info

Publication number: CN218040697U
Application number: CN202221832930.XU
Authority: CN
Inventors: 张继业
Original assignee: Hebei Zhengfang Electric Power Technology Co ltd
Current assignee: Hebei Zhengfang Electric Power Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-13
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a novel bolt type strain clamp, including strain clamp main part, U type bolt, pinhole bolt and take-up pulley, U type bolt fixed mounting is at the up end of strain clamp main part, pinhole bolt fixed mounting is at the side end face of strain clamp main part, the up end of strain clamp main part is provided with the metallic channel, the wearing layer has been plated to the up end of metallic channel, the take-up pulley is installed in the metallic channel, the side end face of strain clamp main part is provided with the spout, be provided with the slider in the spout, the slider rotates with the take-up pulley to be connected, the take-up pulley passes through slider and spout cooperation sliding connection with the strain clamp main part. The utility model discloses a set up elastic connection's take-up pulley in strain clamp main part and carry out the energy-absorbing buffering, reduced the electric wire when big wind day swings, the impact that the strain clamp main part received sets up the wearing layer through the up end at the metallic channel, has promoted the life of equipment.

Description

Novel bolt type strain clamp

Technical Field

The utility model relates to a strain clamp technical field specifically is a novel bolt type strain clamp.

Background

Strain clamps can be broadly classified into two types according to their structure and installation conditions. The first type: the strain clamp is required to bear the whole tensile force of the conducting wire or the lightning conductor, the clamp holding force is not less than 90 percent of the rated tensile force of the installed conducting wire or the lightning conductor, and the strain clamp is not used as an electric conductor. The wire clamp can be detached after the wire is installed and used additionally. The second type: the strain clamp can bear all the tensile force of the conducting wire or the lightning conductor and can also be used as a conductor. Therefore, once the wire clamp is installed, the wire clamp can not be disassembled any more, and the wire clamp is also called a dead wire clamp. Because of the electrical conductors, the installation of the wire clamps must be carefully performed in compliance with the regulations regarding installation procedures. The strain clamp is used for corner turning, connection and connection of terminals. The spiral aluminum clad steel wire has extremely strong strain strength and no concentrated stress, and plays a role in protecting and assisting vibration reduction of the optical cable. The whole set of optical cable strain fitting comprises: the tension-resistant preformed armor rods are connected with hardware fittings in a matched mode.

The existing strain clamp is poor in wear resistance, and the strain clamp is abraded due to friction between the lightning conductor and the strain clamp after long-time use, so that the structural strength of the strain clamp is influenced, potential safety hazards are caused, the existing strain clamp is poor in buffering performance, and the strain clamp is easy to break when the lightning conductor or the lightning conductor swings violently in windy weather.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel bolt type strain clamp to solve among the prior art relatively poor, the relatively poor problem of strain clamp shock-absorbing capacity of strain clamp wear resistance.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel bolt type strain clamp, includes strain clamp main part, U type bolt, pinhole bolt and take-up pulley, U type bolt fixed mounting is in the up end of strain clamp main part, pinhole bolt fixed mounting is in the side end face of strain clamp main part, the up end of strain clamp main part is provided with the metallic channel, the wearing layer has been plated to the up end of metallic channel, the take-up pulley is installed in the metallic channel.

Preferably, a sliding groove is formed in the side end face of the strain clamp main body, a sliding block is arranged in the sliding groove, the sliding block is rotatably connected with the tensioning wheel, and the tensioning wheel and the strain clamp main body are in matched sliding connection with the sliding groove through the sliding block, so that the tensioning wheel can slide along the sliding groove.

Preferably, a spring is arranged between the sliding block and the sliding groove, the sliding block is elastically connected with the sliding groove through the spring, and the impact on the strain clamp main body when the electric wire swings in a strong wind day is reduced through spring energy absorption and buffering.

Preferably, the lower terminal surface that the slider with and the up end of spout are provided with the anticreep post, the spring welding is on the anticreep principal post, and the anticreep post prevents that the spring from droing.

Preferably, the diameters of the two ends of the tension wheel are larger than the central diameter of the tension wheel, and the arc-shaped notch of the wire guide groove enables the wire to be close to the middle part in the tension clamp main body, so that friction between the wire and the side wall of the tension clamp is reduced.

Preferably, the wear-resistant layer is made of wear-resistant ceramics, and the service life of the equipment is prolonged through the wear-resistant layer.

Preferably, the edge of the wire guide groove is in a round angle structure, so that the edge of the wire guide groove is prevented from cutting the wire too sharply in the sliding process of the wire.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a take-up pulley that sets up elastic connection in strain clamp main part carries out the energy-absorbing buffering, has reduced the electric wire when big wind day swing, the impact that strain clamp main part received.

2. The utility model discloses a set up the wearing layer at the up end of metallic channel, promoted the life of equipment.

Drawings

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

fig. 2 is a side view of the present invention;

fig. 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.

In the figure: 1 strain clamp main body, 11 wire grooves, 111 wear-resistant layers, 12 sliding grooves, 121 anti-dropping columns, 13 sliding blocks, 14 springs, 2U-shaped bolts, 3 pin hole bolts and 4 tensioning wheels.

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.

Example 1

Referring to fig. 1 to 3, a novel bolt type strain clamp shown in the figure includes a strain clamp body 1, a U-shaped bolt 2, a pin hole bolt 3 and a tension wheel 4,U type bolt 2 fixedly mounted on an upper end face of the strain clamp body 1, the pin hole bolt 3 is fixedly mounted on a side end face of the strain clamp body 1, a wire groove 11 is formed on the upper end face of the strain clamp body 1, a wear-resistant layer 111 is plated on the upper end face of the wire groove 11, and the tension wheel 4 is mounted in the wire groove 11.

The side end face of the strain clamp main body 1 is provided with a sliding groove 12, a sliding block 13 is arranged in the sliding groove 12, the sliding block 13 is rotatably connected with the tension wheel 4, and the tension wheel 4 and the strain clamp main body 1 are in matched sliding connection with the sliding groove 12 through the sliding block 13, so that the tension wheel 4 can slide along the sliding groove 12.

A spring 14 is arranged between the sliding block 13 and the sliding groove 12, the sliding block 13 is elastically connected with the sliding groove 12 through the spring 14, and energy absorption and buffering are achieved through the spring 14, so that impact on the strain clamp main body 1 when the electric wire swings in strong wind days is reduced.

The lower end surfaces of the sliding blocks 13 and the sliding grooves 12 and the upper end surfaces of the sliding grooves 12 are provided with anti-falling columns 121, the springs 14 are welded on the anti-falling main columns, and the anti-falling columns 121 prevent the springs 14 from falling off.

The diameter of the two ends of the tension wheel 4 is larger than the central diameter of the tension wheel 4, and the arc-shaped notch of the wire groove 11 enables the wire to be close to the middle part in the tension clamp main body 1, so that the friction between the wire and the side wall of the tension clamp is reduced.

Wear-resisting layer 111 adopts wear-resisting ceramic to make, has promoted the life of equipment through wear-resisting layer 111.

The edge of the wire groove 11 is in a round angle structure, so that the phenomenon that the edge of the wire groove 11 is too sharp to cut a wire in the sliding process of the wire is avoided.

This strain clamp is when using: the wire groove 11 of the strain clamp main body 1 is attached to the lower end face of a wire, the U-shaped bolt 2 is inserted into the upper end face of the strain clamp main body 1, the wire is fixed in the strain clamp main body, and then the strain clamp main body 1 is fixed with external fixing equipment through the pin hole bolt 3.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 novel bolt type strain clamp which characterized in that includes:

strain clamp main part (1), U type bolt (2), pinhole bolt (3) and take-up pulley (4), U type bolt (2) fixed mounting is at the up end of strain clamp main part (1), pinhole bolt (3) fixed mounting is at the side end face of strain clamp main part (1), the up end of strain clamp main part (1) is provided with wire casing (11), the up end of wire casing (11) has plated wearing layer (111), install in wire casing (11) take-up pulley (4).

2. The novel bolt-type strain clamp of claim 1, wherein: the side end face of the strain clamp main body (1) is provided with a sliding groove (12), a sliding block (13) is arranged in the sliding groove (12), the sliding block (13) is rotatably connected with a tension wheel (4), and the tension wheel (4) and the strain clamp main body (1) are in sliding connection with the sliding groove (12) in a matched mode through the sliding block (13).

3. The novel bolt-type strain clamp of claim 2, wherein: a spring (14) is arranged between the sliding block (13) and the sliding groove (12), and the sliding block (13) is elastically connected with the sliding groove (12) through the spring (14).

4. The novel bolt-type strain clamp of claim 3, wherein: the lower end face of the sliding block (13) and the upper end face of the sliding groove (12) are provided with anti-falling columns (121), and the springs (14) are welded on the anti-falling main columns.

5. The novel bolt-type strain clamp of claim 1, wherein: the diameter of the two ends of the tension wheel (4) is larger than the diameter of the center of the tension wheel (4), and the arc-shaped notch of the wire guide groove (11).

6. The novel bolt-type strain clamp of claim 1, wherein: the wear-resistant layer (111) is made of wear-resistant ceramics.

7. The novel bolt-type strain clamp of claim 1, wherein: the edge of the wire groove (11) is in a round angle structure.