CN216959244U

CN216959244U - Locking wedge strain clamp that moves

Info

Publication number: CN216959244U
Application number: CN202121948695.8U
Authority: CN
Inventors: 龚亮; 商涛涛
Original assignee: Zhejiang Huiyong Power Equipment Co ltd
Current assignee: Zhejiang Huiyong Power Equipment Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-07-12
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses an anti-loosening wedge-shaped strain clamp which comprises a clamp body, a wedge-shaped wire clamping seat, a lifting ring, a first wire clamping body, a second wire clamping body and a locking bolt, wherein the wedge-shaped wire clamping seat is installed at the upper end of the clamp body; further comprising: the inserting port is arranged on the side of the second wire clamping body, and a positioning block is arranged in the inserting port; the clamping blocks are arranged on the inner sides of the arc grooves in the middle of the inner sides of the first wire clamping body and the second wire clamping body, and the outer ends of the clamping blocks are connected with the buffering mechanism. This locking wedge strain clamp that moves can improve the fixed effect to the wire at the in-process that uses, prevents that it from appearing not hard up phenomenon, can play certain cushioning effect simultaneously when fixing a position the wire.

Description

Locking wedge strain clamp that moves

Technical Field

The utility model relates to the technical field of wedge-shaped strain clamps, in particular to an anti-loosening wedge-shaped strain clamp.

Background

The wedge-shaped strain clamp mainly comprises a groove body, a wire clamping sheet and a rod, and is widely used in 10KV and below distribution lines to fix an overhead insulated wire or a bare wire on a strain insulator string of a corner or terminal tower so as to fix or tighten the overhead wire.

However, the existing wedge-shaped strain clamp has the following problems:

1. the existing wedge-shaped strain clamp has poor fixation on the whole wire in the use process, so that the wire is easy to loosen in a wire inserting groove of the wedge-shaped strain clamp after being used for a long time, and the practicability of the wedge-shaped strain clamp is greatly reduced;

2. the existing wedge-shaped tension-resistant wire clamp is inconvenient to play a certain buffering role after a lead is clamped, so that direct rigid clamping is caused, and clamp marks are easily left on the surface of the lead due to overlarge clamping force.

We have therefore proposed a wedge-shaped anti-loosening strain clamp to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a locking wedge-shaped strain clamp, which solves the problems that the existing wedge-shaped strain clamp in the market in the prior art has poor fixation on the whole wire in the use process, so that the wire is easy to loosen in a wire inserting groove of the wedge-shaped strain clamp after being used for a long time, the practicability of the wedge-shaped strain clamp is greatly reduced, and after the wire is clamped, the wedge-shaped strain clamp is inconvenient to play a certain buffering role, so that the direct rigid clamping is caused, and clamp marks are easy to be left on the surface of the wire due to overlarge clamping force.

In order to achieve the purpose, the utility model provides the following technical scheme: a locking wedge strain clamp comprises a clamp body, a wedge-shaped wire clamping seat, a hanging ring, a first wire clamping body, a second wire clamping body and a locking bolt, wherein the wedge-shaped wire clamping seat is installed at the upper end of the clamp body, the hanging ring is arranged on the right side of the upper end of the wedge-shaped wire clamping seat, the first wire clamping body is arranged on the left side of the wedge-shaped wire clamping seat, the second wire clamping body is installed at the upper end of the first wire clamping body, the second wire clamping body and the first wire clamping body are connected with each other through the locking bolt, and arc-shaped grooves for a lead to pass through are formed in the middle parts of the inner sides of the first wire clamping body and the second wire clamping body;

further comprising:

the inserting port is arranged on the side of the second wire clamping body, a positioning block is arranged in the inserting port, and the positioning block is fixedly arranged on the side of the lower end of the first wire clamping body;

the clamping blocks are arranged on the inner sides of the arc-shaped grooves in the middle of the inner sides of the first wire clamping body and the second wire clamping body, and the outer ends of the clamping blocks are connected with the buffering mechanism.

Preferably, the shape of the socket is matched with that of the positioning block, and the positioning block is in an isosceles trapezoid structure.

By adopting the technical scheme, the shapes of the inserting port and the positioning block are matched, so that the stability of the positioning block and the inserting port in connection can be improved.

Preferably, buffer gear comprises gag lever post, sleeve pipe, gasbag, extrusion piece, movable rod, links up the post and built-in spring, gag lever post fixed mounting is in the outer end of clamp splice, and the tip of gag lever post is installed in sheathed tube inside to sheathed tube inside is provided with the gasbag, the avris fixedly connected with extrusion piece of gag lever post, and the movable rod is installed in the outside of extrusion piece, the movable rod runs through to be installed in the inside of linking up the post, and links up through built-in spring interconnect between the inside of post and the movable rod.

Through adopting above-mentioned technical scheme, thereby utilize the elastic deformation of gasbag can play certain cushioning effect after the gag lever post removes, avoid direct rigid contact to leave the clamp mark on the surface of wire.

Preferably, the diameter of the end part of the limiting rod is equal to the inner diameter of the sleeve, and the limiting rod is in sliding connection with the sleeve.

Through adopting above-mentioned technical scheme, the gag lever post tip laminates with the sleeve pipe each other to can improve the gag lever post and at the inside stability of removing of sleeve pipe, prevent that it from appearing rocking.

Preferably, extrusion blocks are installed on the left side and the right side of the limiting rod and the inner end of the movable rod, and the extrusion blocks are of a semicircular structure.

Through adopting above-mentioned technical scheme, can extrude the promotion to the movable rod under the effect of extrusion piece through the removal of gag lever post.

Preferably, the outer wall of the movable rod and the inner wall of the connecting column are mutually attached, and the movable rod and the connecting column form an elastic telescopic structure through an internal spring.

Through adopting above-mentioned technical scheme, thereby utilize the movable rod can play certain cushioning effect under built-in spring's effect in the inside removal of linking post.

Compared with the prior art, the utility model has the beneficial effects that: the anti-loosening wedge-shaped strain clamp can improve the fixing effect on a lead in the using process, prevent the lead from loosening and play a certain buffering role in positioning the lead;

1. the wire clamping device is provided with a positioning block, the first wire clamping body and the second wire clamping body can be preliminarily installed by the aid of the positioning block on the first wire clamping body penetrating through a plug-in port on the second wire clamping body, meanwhile, the first wire clamping body and the second wire clamping body are butted by means of a locking bolt, and positioning of a wire can be completed by the aid of an arc-shaped groove formed in the middle of the inner sides of the first wire clamping body and the second wire clamping body;

2. be provided with the gasbag, can make the gag lever post remove in sheathed tube inside behind the clamp splice atress, removal through the gag lever post can extrude the gasbag, can play certain cushioning effect through the elastic deformation of self after the gasbag pressurized this moment, the in-process that the gag lever post removed simultaneously can utilize the stripper block to promote the movable rod, the removal that utilizes the movable rod this moment can play further centre gripping cushioning effect under built-in spring's effect, avoid causing the damage because of the centre gripping dynamics is too big to the wire surface.

Drawings

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

FIG. 2 is a schematic side sectional view of a first wire clamping body and a second wire clamping body according to the present invention;

FIG. 3 is a schematic cross-sectional view of a stop rod and bushing according to the present invention;

FIG. 4 is a schematic cross-sectional view of the movable rod and innerspring of the present invention.

In the figure: 1. a wire clamp body; 2. a wedge-shaped wire clamping seat; 3. a hoisting ring; 4. a first clip body; 5. a second clip body; 6. a locking bolt; 7. an interface; 8. positioning blocks; 9. a clamping block; 10. a buffer mechanism; 101. a limiting rod; 102. a sleeve; 103. an air bag; 104. extruding the block; 105. a movable rod; 106. connecting the column; 107. a built-in spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

Referring to fig. 1-4, the present invention provides a technical solution: a locking wedge strain clamp that moves, including the clamp body 1, wedge wire holder 2, rings 3, the first wire holder 4, the second wire holder 5 and locking bolt 6, the upper end of the clamp body 1 is fitted with the wedge wire holder 2, the upper right side of the wedge wire holder 2 is provided with rings 3, and the left side of the wedge wire holder 2 is provided with the first wire holder 4, the upper end of the first wire holder 4 is fitted with the second wire holder 5, and connect each other through locking bolt 6 between the first wire holder 4 and the second wire holder 5, the inboard middle part of the first wire holder 4 and the second wire holder 5 has an arc groove for the wire to pass through;

further comprising:

the inserting port 7 is arranged at the side of the second wire clamping body 5, a positioning block 8 is arranged in the inserting port 7, and the positioning block 8 is fixedly arranged at the side of the lower end of the first wire clamping body 4;

the clamping block 9 is arranged on the inner side of the arc-shaped groove in the middle of the inner sides of the first wire clamping body 4 and the second wire clamping body 5, and the outer end of the clamping block 9 is connected with the buffer mechanism 10.

The shape of the interface 7 is matched with the shape of the positioning block 8, and the positioning block 8 is in an isosceles trapezoid structure.

As shown in fig. 1 and 2, a wire is placed in a groove in the middle of the inner side of the first wire clamping body 4, and the positioning block 8 at the lower end of the second wire clamping body 5 is inserted into the insertion port 7 on the first wire clamping body 4, so that splicing between the first wire clamping body and the second wire clamping body can be conveniently completed, at this time, the locking bolt 6 is inserted into the side of the first wire clamping body 4 and the side of the second wire clamping body 5 in a penetrating manner, and thus mutual fixation between the first wire clamping body 4 and the second wire clamping body 5 is completed through the locking bolt 6, and at this time, the wire can be fixed.

Buffer gear 10 comprises gag lever post 101, sleeve pipe 102, gasbag 103, extrusion piece 104, movable rod 105, link up post 106 and built-in spring 107, gag lever post 101 fixed mounting is in the outer end of clamp splice 9, and the tip of gag lever post 101 is installed in the inside of sleeve pipe 102, and the inside of sleeve pipe 102 is provided with gasbag 103, the avris fixed connection of gag lever post 101 has extrusion piece 104, and extrusion piece 104 installs movable rod 105 in the outside, movable rod 105 runs through and installs in the inside of linking up post 106, and link up the inside of post 106 and pass through built-in spring 107 interconnect between the movable rod 105.

The end diameter of the limiting rod 101 is equal to the inner diameter of the sleeve 102, and the limiting rod 101 is in sliding connection with the sleeve 102.

The left side and the right side of the limiting rod 101 and the inner end of the movable rod 105 are both provided with an extrusion block 104, and the extrusion block 104 is in a semicircular structure.

The outer wall of the movable rod 105 and the inner wall of the connecting column 106 are mutually attached, and an elastic telescopic structure is formed between the movable rod 105 and the connecting column 106 through an internal spring 107.

As shown in fig. 1-4, when the first wire clamping body 4 and the second wire clamping body 5 fix the wire, the clamping block 9 is stressed to move the limiting rod 101 inside the sleeve 102, and the limiting rod 101 can move to play a certain buffering role under the action of the airbag 103, and meanwhile, the limiting rod 101 can drive the extrusion block 104 to move synchronously in the moving process, the movable rod 105 can be extruded and pushed by the movement of the extrusion block 104 on the left and right sides of the limiting rod 101, and the movable rod 105 can move on the connecting column 106 to play a further buffering role under the action of the built-in spring 107, so that clamp marks on the surface of the wire due to the excessive clamping force are avoided.

The working principle is as follows: when the anti-loosening wedge-shaped strain clamp is used, firstly, according to the butt joint shown in figures 1-4, between the positioning block 8 and the insertion port 7, thereby completing the preliminary butt joint between the first wire clamping body 4 and the second wire clamping body 5, and simultaneously fixing the first wire clamping body 4 and the second wire clamping body 5 by using the locking bolt 6, thereby completing the fixation of the lead, simultaneously playing a role of buffering under the action of the air bag 103 by utilizing the movement of the limiting rod 101 in the sleeve 102, meanwhile, the movement of the limiting rod 101 can push the movable rod 105 to move on the engaging column 106 through the pressing block 104, further damping can be provided by the movement of the movable rod 105 under the influence of the innerspring 107, this prevents damage to the conductor due to excessive clamping forces, which is known to the person skilled in the art and not described in detail in this description.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. An anti-loosening wedge-shaped strain clamp comprises a clamp body (1), a wedge-shaped wire clamping seat (2), a hanging ring (3), a first wire clamping body (4), a second wire clamping body (5) and a locking bolt (6), wherein the wedge-shaped wire clamping seat (2) is installed at the upper end of the clamp body (1), the hanging ring (3) is arranged on the right side of the upper end of the wedge-shaped wire clamping seat (2), the first wire clamping body (4) is arranged on the left side of the wedge-shaped wire clamping seat (2), the second wire clamping body (5) is installed at the upper end of the first wire clamping body (4), the second wire clamping body (5) and the first wire clamping body (4) are connected with each other through the locking bolt (6), and arc-shaped grooves for a lead to pass through are formed in the middles of the inner sides of the first wire clamping body (4) and the second wire clamping body (5);

it is characterized by also comprising:

the inserting port (7) is arranged at the side of the second wire clamping body (5), a positioning block (8) is arranged in the inserting port (7), and the positioning block (8) is fixedly arranged at the side of the lower end of the first wire clamping body (4);

the clamping blocks (9) are arranged on the inner sides of the arc-shaped grooves in the middle of the inner sides of the first wire clamping body (4) and the second wire clamping body (5), and the outer ends of the clamping blocks (9) are connected with the buffer mechanisms (10) mutually.

2. The anti-loosening wedge-shaped strain clamp according to claim 1, wherein: the shape of the inserting port (7) is matched with that of the positioning block (8), and the positioning block (8) is of an isosceles trapezoid structure.

3. The anti-loosening wedge-shaped strain clamp according to claim 1, wherein: buffer gear (10) comprise gag lever post (101), sleeve pipe (102), gasbag (103), extrusion piece (104), movable rod (105), link up post (106) and built-in spring (107), gag lever post (101) fixed mounting is in the outer end of clamp splice (9), and the tip of gag lever post (101) installs in the inside of sleeve pipe (102) to the inside of sleeve pipe (102) is provided with gasbag (103), avris fixedly connected with extrusion piece (104) of gag lever post (101), and the outside of extrusion piece (104) installs movable rod (105), movable rod (105) run through and install in the inside of linking up post (106), and link up through built-in spring (107) interconnect between the inside of post (106) and movable rod (105).

4. The anti-loosening wedge-shaped strain clamp according to claim 3, wherein: the end diameter of the limiting rod (101) is equal to the inner diameter of the sleeve (102), and the limiting rod (101) is in sliding connection with the sleeve (102).

5. The anti-loosening wedge-shaped strain clamp according to claim 4, wherein: extrusion piece (104) are all installed to the avris about gag lever post (101) and the inner of movable rod (105), and extrusion piece (104) set up to semi-circular structure.

6. The anti-loosening wedge-shaped strain clamp according to claim 3 or 5, wherein: the outer wall of the movable rod (105) and the inner wall of the connecting column (106) are mutually attached, and an elastic telescopic structure is formed between the movable rod (105) and the connecting column (106) through an internal spring (107).