CN216625231U

CN216625231U - Anti-loosening strain clamp

Info

Publication number: CN216625231U
Application number: CN202123203074.XU
Authority: CN
Inventors: 李明臻; 王军; 田晓萍; 李佑林
Original assignee: Anhui Shiyou Electric Power Fittings Co ltd
Current assignee: Anhui Shiyou Electric Power Fittings Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-27
Anticipated expiration: 2031-12-20

Abstract

The utility model belongs to the technical field of drainage devices of power systems, and particularly relates to a strain clamp capable of preventing looseness, which comprises a strain clamp body, a steel anchor, a drainage plate and a drainage clamp, wherein an installation block is connected above the drainage clamp, two rectangular bulges are arranged on one side, close to the drainage plate, of the installation block, and clamping grooves are formed in the adjacent side surfaces of the two rectangular bulges; an adjusting open slot is formed in the side face of the drainage plate, a limiting block is arranged in the adjusting open slot, and an adjusting screw rod is arranged in the limiting block; the lower end of the adjusting screw rod is connected with an adjusting knob, and the adjusting screw rod is in threaded connection with an upper L-shaped limiting rod and a lower L-shaped limiting rod. Compared with the prior art, the utility model has the following advantages: overall structure is simple, through setting up the protruding cooperation with the screens recess of rectangle, recycles L type gag lever post and L type gag lever post down on adjusting screw control, realizes comparing the fixed connection atress that has increased a plurality of directions of nut to the fixing of installation piece, can not play because of rocking of wire is not hard up, has played the effect that prevents not hard up.

Description

Anti-loosening strain clamp

Technical Field

The utility model belongs to the technical field of drainage devices of power systems, and particularly relates to a strain clamp capable of preventing loosening.

Background

The strain clamp can realize the drainage to overhead transmission line at the during operation, including strain clamp body, the steel anchor, drainage plate and drainage fastener, wherein the drainage fastener still need bear the tension that comes from the wire, it is fixed with the drainage plate that the nut passes through to the drainage fastener usually, nevertheless in power line long-term use, it is not hard up to take place coupling nut easily, lead to the increase of drainage fastener electric current, the life who influences strain clamp after the initiation heaies up, reduce the power supply reliability, consequently, the connected mode to drainage fastener and drainage plate further improves.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a strain clamp capable of preventing looseness, aiming at the problem that a drainage clamp in the existing strain clamp is easy to loosen due to nut connection.

The utility model is realized by the following technical scheme: a strain clamp capable of preventing loosening comprises a strain clamp body, a steel anchor, a drainage plate and a drainage clamp, wherein an installation block is connected above the drainage clamp, two rectangular bulges are arranged on one side, close to the drainage plate, of the installation block, and clamping grooves are formed in the adjacent side faces of the two rectangular bulges; an adjusting slot is formed in the side face, away from the steel anchor, of the drainage plate, a limiting block is arranged in the adjusting slot, an adjusting screw rod is arranged in the limiting block, and the adjusting screw rod can rotate around the axial direction relative to the limiting block; the adjusting screw lower extreme runs through drainage board bottom, and adjusting knob is connected to the adjusting screw lower extreme, and L type gag lever post is gone up through forward thread spiro union in the position that adjusting screw is located the stopper upside, and L type gag lever post is gone up through reverse thread spiro union in the position that adjusting screw is located the stopper downside, goes up the end of L type gag lever post and lower L type gag lever post and matches with the screens recess respectively.

Furthermore, one side of the mounting block close to the drainage plate is provided with a right-angle clamping table by the lower position, so that the mounting block can be conveniently clamped with the lower corner of the drainage plate.

Furthermore, the top end of the adjusting screw is fixed with the top surface of the clamping groove through a bearing, so that the adjusting screw can be guaranteed to rotate stably, and stable adjustment of the upper L-shaped limiting rod and the lower L-shaped limiting rod is achieved.

Further, this external is located to strain clamp cover on the drainage plate, through welded fastening, guarantees stability.

Further, it is equipped with the rectangle card platform to adjust grooved opening part upper end and lower extreme, and two rectangle archs of rectangle card platform joint, installation piece can correspond the installation with the drainage plate, prevent the dislocation.

Furthermore, drainage plate and drainage fastener are integrated into one piece structure.

Furthermore, the forward thread and the reverse thread are trapezoidal threads or zigzag threads, so that the L-shaped limiting rod and the lower L-shaped limiting rod can be conveniently driven.

Compared with the prior art, the utility model has the following advantages: overall structure is simple, through setting up the protruding cooperation with the screens recess of rectangle, recycles L type gag lever post and L type gag lever post down on adjusting screw control, realizes comparing the fixed connection atress that has increased a plurality of directions of nut to the fixing of installation piece, can not play because of rocking of wire is not hard up, has played the effect that prevents not hard up.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic view of the mounting structure of a drainage plate and a drainage clip.

FIG. 3 is a schematic structural view of the drainage clamp after being clamped with a drainage plate.

FIG. 4 is a schematic view of the internal structure of a flow guide plate.

FIG. 5 is a schematic view of the construction of a flow guide plate.

The strain clamp comprises a strain clamp body 1, a steel anchor 2, a drainage plate 3, an adjusting groove 31, a limiting block 32, a rectangular clamping table 33, a drainage clamp 4, an installation block 41, a right-angle clamping table 411, a rectangular protrusion 42, a clamping groove 421, an adjusting knob 5, an adjusting screw 51, an adjusting screw 511, a reverse screw 511, a forward screw 512, a bearing 52, an L-shaped limiting rod 61 and an L-shaped limiting rod 62.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-5, the anti-loosening strain clamp comprises a strain clamp body 1, a steel anchor 2, a drainage plate 3 and a drainage clamp 4, wherein the upper end of the drainage plate 3 is sleeved outside the strain clamp body 1 and is fixed by welding to ensure stability; an installation block 41 is connected above the drainage wire clamp 4, two rectangular protrusions 42 are arranged on one side, close to the drainage plate 3, of the installation block 41, clamping grooves 421 are formed in the adjacent side faces of the two rectangular protrusions 42, and a right-angle clamping table 411 is arranged on the lower portion, close to the drainage plate 3, of one side, close to the drainage plate 3, of the installation block 41, so that the lower corner of the drainage plate 3 can be clamped conveniently;

an adjusting open groove 31 is formed in the side face, far away from the steel anchor 2, of the drainage plate 3, a limiting block 32 is arranged in the adjusting open groove 31, an adjusting screw 51 is arranged in the limiting block 32, the adjusting screw 51 can rotate around the axial direction relative to the limiting block 32, the top end of the adjusting screw 51 is fixed to the top face of the clamping groove 31 through a bearing 52, the adjusting screw 51 can be guaranteed to rotate stably, rectangular clamping platforms 33 are arranged at the upper end and the lower end of an opening of the adjusting open groove 31, the rectangular clamping platforms 33 are connected with two rectangular bulges 42, and the mounting block 41 can be mounted corresponding to the drainage plate 3 to prevent dislocation;

the lower extreme of adjusting screw 51 runs through the bottom of drainage plate 3, and adjusting knob 5 is connected to adjusting screw 51 lower extreme, and L type gag lever post 62 is gone up through forward screw 512 spiro union in the position that adjusting screw 51 is located the 3 upside of stopper, and L type gag lever post 61 is down through reverse screw 511 spiro union in the position that adjusting screw 51 is located the 3 downside of stopper, goes up L type gag lever post 62 and matches with screens recess 421 respectively with the end of lower L type gag lever post 61, forward screw 512 and reverse screw 511 are the trapezoidal thread.

When the installation, make L type gag lever post 62 and L type gag lever post 61 inarch stopper 32 down through rotating adjust knob 5, will install the protruding 42 horizontal insert of rectangle of piece 41 and adjust in the fluting 31 this moment, rotatory adjust knob 5 makes L type gag lever post 62 and L type gag lever post 61 chucking screens recess 421 down, can normal use after guaranteeing the chucking, convenient operation, stability is strong.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The anti-loosening strain clamp comprises a strain clamp body, a steel anchor, a drainage plate and a drainage clamp, and is characterized in that an installation block is connected above the drainage clamp, two rectangular bulges are arranged on one side, close to the drainage plate, of the installation block, and clamping grooves are formed in the adjacent side faces of the two rectangular bulges; an adjusting slot is formed in the side face, away from the steel anchor, of the drainage plate, a limiting block is arranged in the adjusting slot, an adjusting screw rod is arranged in the limiting block, and the adjusting screw rod can rotate around the axial direction relative to the limiting block; the adjusting screw lower extreme runs through drainage board bottom, and adjusting knob is connected to the adjusting screw lower extreme, and L type gag lever post is gone up through forward thread spiro union in the position that adjusting screw is located the stopper upside, and L type gag lever post is gone up through reverse thread spiro union in the position that adjusting screw is located the stopper downside, goes up the end of L type gag lever post and lower L type gag lever post and matches with the screens recess respectively.

2. The anti-loosening strain clamp of claim 1, wherein a right-angled clamping table is arranged at a position, close to the lower position of one side of the drainage plate, of the mounting block.

3. The anti-loosening strain clamp as claimed in claim 1, wherein the top end of the adjusting screw is fixed to the top surface of the retaining groove through a bearing.

4. The anti-loosening strain clamp as claimed in claim 1, wherein the upper end of the drainage plate is sleeved outside the strain clamp body and fixed by welding.

5. The anti-loosening strain clamp as claimed in claim 1, wherein rectangular clamping platforms are arranged at the upper end and the lower end of the opening of the adjusting slot, and the rectangular clamping platforms are clamped with the two rectangular bulges.

6. The anti-loosening strain clamp of claim 1, wherein the drainage plate and the drainage clamp are integrally formed.

7. The anti-loosening strain clamp of claim 1, wherein the forward and reverse threads are trapezoidal or saw-tooth threads.