CN217135119U - Strain clamp for power transmission - Google Patents

Abstract

The utility model relates to an electric power transmission technical field just discloses a strain clamp for transmission of electricity, including first fastener main part, the one end of first fastener main part is provided with the second fastener main part, the one end symmetric connection of second fastener main part has the connecting plate, the surface coating of first fastener main part and second fastener main part has the antioxidation coating, the inside wall coating of first fastener main part and second fastener main part has the insulating layer. This strain clamp for transmission of electricity uses, through the cooperation of first supplementary spacing ring, the supplementary spacing ring of second, connecting axle and spacing adjusting bolt, can assist U type go-between to press down and bind the use, can make the staff need not press a plurality of cables with the hand always, make the staff can be relaxed bind the use to the cable, first clamp main part takes place to rock in the use, the port of the one end of first clamp main part causes the injury easily to the cable.

Description

A kind of tension clamp for power transmission

technical field

The utility model relates to the technical field of electric power transmission, in particular to a tensile wire clamp for electric power transmission.

Background technique

Tension clamp refers to the hardware used to fix the wire to bear the tension of the wire and hang the wire to the tension string or tower. Tension clamps can be roughly divided into two categories according to their structure and installation conditions. The first category: The tension clamp should bear all the pulling force of the wire or the lightning protection wire. The clamping force of the wire clamp is not less than 90% of the rated tensile strength of the installed wire or lightning protection wire, but it is not used as a conductor. This type of clip can be removed after the wire is installed and used separately. Such clamps include bolt-type tension clamps and wedge-type tension clamps. The second category: In addition to bearing all the pulling force of the wire or the lightning conductor, the tension clamp also acts as a conductor. Therefore, once this type of wire clip is installed, it cannot be disassembled, also known as dead wire clip. Since it is a conductor, the installation of the wire clip must be carried out carefully in accordance with the relevant installation regulations. Tension clamps are used for corner, splice, and terminal connections. The spiral aluminum-clad steel wire has extremely strong tensile strength and no concentrated stress, which protects the optical cable and assists in vibration reduction. The tension clamp is used to fix the wire or the lightning protection wire to the non-linear tower tension insulator string, which acts as an anchor and is also used to fix the stay tower.

Some of the power delivery devices currently on the market:

(1) During the use of the tension clamp for power transmission, when the existing device fixes multiple cables to the inner side wall of the main body of the clamp, it is necessary to press the multiple cables to prevent the multiple cables from moving randomly , it is necessary for the staff to keep pressing the cable on the inner side wall of the main body of the cable clamp by hand, and wait until one of the U-shaped connecting rings is fixed before letting go, which is a waste of the staff's physical strength;

(2) During the use of the tension clamp for power transmission, it is inconvenient to better press and fix cables of different thicknesses.

Therefore, we propose a tension clamp for power transmission in order to solve the problems mentioned above.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art in the above-mentioned background technology, the purpose of this utility model is to provide a kind of tension clamp for power transmission, so as to solve the problem of some inconvenient tension clamps for power transmission on the current market proposed in the above-mentioned background art. The problem of fixing each cable is inconvenient to better fix cables of different thicknesses.

(2) Technical solutions

In order to achieve the above purpose, the present invention is realized through the following technical solutions:

A tensile wire clip for power transmission, comprising a first wire clip main body, one end of the first wire clip main body is provided with a second wire clip main body, one end of the second wire clip main body is symmetrically connected with a connecting plate, and the first wire clip main body is symmetrically connected with a connecting plate. The outer surfaces of the wire clip main body and the second wire clip main body are coated with an anti-oxidation layer, and the inner sidewalls of the first wire clip main body and the second wire clip main body are coated with an insulating layer;

The outer surface of the first wire clip body is provided with a plurality of U-shaped connecting rings, the inner side wall of each U-shaped connecting ring is provided with an auxiliary fixing block, and one side of the outer surface of the first wire clip body is provided with a third an auxiliary limit ring, the other side of the outer surface of the first wire clip body is provided with a second auxiliary limit ring;

The other end of the first wire clip body is provided with an insulating rubber connecting ring, and the outer surface of the insulating rubber connecting ring is sequentially connected with a plurality of return springs along the circumferential direction.

Preferably, the other end of the first wire clip body is symmetrically connected with a rotating connecting plate, the outer surfaces of the two rotating connecting plates are respectively attached to a side wall of the connecting plate, and the two rotating connecting plates are A connecting shaft is arranged between them, and two ends of the connecting shaft respectively penetrate through the rotating connecting plate and extend to the outer surface of the connecting plate.

Preferably, both ends of the connecting shaft are respectively sleeved with first nuts, both ends of the connecting shaft are respectively provided with first external threads adapted to the first nuts, and the outer surface of each connecting plate is The bolts are respectively arranged symmetrically, the outer surface of each of the connecting plates is respectively provided with first threaded holes that are adapted to the bolts, and one side wall of each of the rotating connecting plates is provided with multiple holes along the circumferential direction. a second threaded hole adapted to the bolt.

Preferably, one end of the first auxiliary limit ring and the second auxiliary limit ring are hinged through a pin shaft, and the bottom of the first wire clip body is provided with a snap-fit groove adapted to the second auxiliary limit ring , the top of the other end of the first auxiliary limit ring is provided with a limit adjustment bolt, the top of the other end of the first auxiliary limit ring is provided with a third threaded hole adapted to the limit adjustment bolt, the The top of the other end of the two auxiliary limit rings is provided with a fourth threaded hole corresponding to the position of the third threaded hole, and the fourth threaded hole is adapted to the limit adjustment bolt.

Preferably, both ends of each of the U-shaped connecting rings are respectively provided with second connecting plates, and two ends of each of the second connecting plates are respectively provided with through holes adapted to the two ends of the U-shaped connecting rings, Two ends of each of the connecting rings respectively pass through the through holes and extend to the bottom of the second connecting plate, the two ends of each of the U-shaped connecting rings are respectively sleeved with second nuts, and the two ends of each of the U-shaped connecting rings The ends are respectively provided with second external threads which are matched with the second nuts.

Preferably, the top of each auxiliary fixing block is provided with a snap-fit groove that is adapted to the inner side wall of the U-shaped connecting ring, and the bottom of each auxiliary fixing block is provided with an extension fixing block. The tops of the extension fixing blocks are all connected with threaded posts, and the bottom of each auxiliary fixing block is provided with a fifth threaded hole adapted to the threaded posts.

Preferably, a buffer layer is connected to one end of the plurality of return springs away from the insulating rubber connecting ring, and one end of the buffer layer is screwed to the other end of the first wire clip body.

(3) Beneficial effects

Compared with the prior art, the beneficial effects of the present utility model are: the tension clamp for power transmission:

(1) By using the first auxiliary limit ring, the second auxiliary limit ring, the connecting shaft and the limit adjustment bolt together, the U-shaped connecting ring can be used for pressing and binding, and the staff can keep pressing multiple wires without using their hands. The main body of the first wire clip shakes during use, and the port at one end of the main body of the first wire clip is easy to cause damage to the cable. One end of the main body uses a buffer layer, a return spring and an insulating rubber connecting ring, which can protect the cable on the port at one end of the main body of the first wire clip.

(2) By using auxiliary fixing blocks, threaded posts and extension fixing blocks on the inner wall of the U-shaped connecting ring, it is convenient to press and fix cables of different thicknesses better.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the utility model tension clamp for power transmission;

2 is a schematic structural diagram of the first auxiliary limit ring and the second auxiliary limit ring of the tension clamp for power transmission of the present invention;

3 is a schematic diagram of the dissection structure of the return spring of the tension clamp for power transmission of the present utility model;

4 is a schematic structural diagram of a rotating connecting plate of a tension clamp for power transmission of the present invention;

5 is a schematic front view of the auxiliary fixing block of the tension clamp for power transmission of the present invention;

FIG. 6 is a schematic diagram of the dissection structure of the insulating layer of the tension clamp for power transmission of the present invention.

In the figure: the first clamp body 1, the second clamp body 2, the connecting plate 3, the connecting shaft 4, the first nut 5, the bolt 6, the first auxiliary limit ring 7, the second connecting plate 8, the U-shaped connecting ring 9. The second nut 10, the auxiliary fixing block 11, the rotating connecting plate 12, the second threaded hole 13, the snap groove 14, the threaded column 15, the extension fixing block 16, the second auxiliary limiting ring 17, the connecting shaft 18, the limit Position adjusting bolt 19 , insulating layer 20 , anti-oxidation layer 21 , buffer layer 22 , return spring 23 , insulating rubber connecting ring 24 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to Figures 1-6, the present utility model provides a tension clamp for power transmission; it includes a first clamp body 1, one end of the first clamp body 1 is provided with a second clamp body 2, and the second clamp body One end of 2 is symmetrically connected with a connecting plate 3, the outer surfaces of the first wire clip main body 1 and the second wire clip main body 2 are coated with an anti-oxidation layer 21, and the inner side walls of the first wire clip main body 1 and the second wire clip main body 2 are coated There is an insulating layer 20;

The outer surface of the first wire clip body 1 is provided with a plurality of U-shaped connecting rings 9 , the inner side wall of each U-shaped connecting ring 9 is provided with an auxiliary fixing block 11 , and one side of the outer surface of the first wire clip body 1 is provided with an auxiliary fixing block 11 . The first auxiliary limit ring 7, the other side of the outer surface of the first wire clip body 1 is provided with a second auxiliary limit ring 17;

The other end of the first wire clip body 1 is provided with an insulating rubber connecting ring 24, and the outer surface of the insulating rubber connecting ring 24 is sequentially connected with a plurality of return springs 23 along the circumferential direction.

As a preferred technical solution of the present invention, the other end of the first wire clip main body 1 is symmetrically connected with a rotating connecting plate 12, and the outer surfaces of the two rotating connecting plates 12 are respectively attached to one side wall of the connecting plate 3, A connecting shaft 4 is arranged between the two rotating connecting plates 12, and the two ends of the connecting shaft 4 respectively penetrate the rotating connecting plate 12 and extend to the outer surface of the connecting plate 3. By using this device, the angle of the second wire clip body 2 can be adjusted. For adjustment and use, it is convenient to replace the angle between the second wire clip main body 2 and the first wire clip main body 1 in different use environments.

As a preferred technical solution of the present invention, both ends of the connecting shaft 4 are respectively sleeved with first nuts 5, and both ends of the connecting shaft 4 are respectively provided with first external threads adapted to the first nuts 5, and each Bolts 6 are symmetrically arranged on the outer surfaces of the connecting plates 3 respectively, first threaded holes adapted to the bolts 6 are respectively opened on the outer surface of each connecting plate 3, and one side wall of each rotating connecting plate 12 is along the In the circumferential direction, there are a plurality of second threaded holes 13 which are adapted to the bolts 6 .

As a preferred technical solution of the present invention, one end of the first auxiliary limit ring 7 and the second auxiliary limit ring 17 are hinged through a pin shaft, and the bottom of the first wire clamp main body 1 is provided with a second auxiliary limit ring. 17 a matching snap groove, the top of the other end of the first auxiliary limit ring 7 is provided with a limit adjustment bolt 19, and the top of the other end of the first auxiliary limit ring 7 is provided with a limit adjustment bolt 19. In the third threaded hole, the top of the other end of the second auxiliary limit ring 17 is provided with a fourth threaded hole corresponding to the position of the third threaded hole, and the fourth threaded hole is adapted to the limit adjustment bolt 19 .

As a preferred technical solution of the present utility model: the two ends of each U-shaped connecting ring 9 are respectively provided with second connecting plates 8, and the two ends of each second connecting plate 8 are respectively provided with two connecting rings 9 connected to the U-shaped connecting ring 9. The two ends of each connecting ring 9 respectively penetrate through the through holes and extend to the bottom of the second connecting plate 8, and the two ends of each U-shaped connecting ring 9 are respectively sleeved with a second nut 10. Two ends of each U-shaped connecting ring 9 are respectively provided with second external threads adapted to the second nuts 10 .

As a preferred technical solution of the present invention, the top of each auxiliary fixing block 11 is provided with a snap groove 14 which is adapted to the inner side wall of the U-shaped connecting ring 9, and the bottom of each auxiliary fixing block 11 is provided with Extending the fixing blocks 16, the top of each extending fixing block 16 is connected with a threaded column 15, and the bottom of each auxiliary fixing block 11 is provided with a fifth threaded hole that is adapted to the threaded column 15. By using this device, it is convenient to Replacing the extension fixing blocks 16 of different sizes facilitates better fixing of cables of different thicknesses.

As a preferred technical solution of the present invention, one end of the plurality of return springs 23 away from the insulating rubber connecting ring 24 is connected with a buffer layer 22, and one end of the buffer layer 22 is threadedly connected with the other end of the first clip body 1, When the device is used together, when the first wire clip main body 1 shakes, the cable at the port of the first wire clip main body 1 can be buffered and used for protection.

The working principle of this embodiment: when using the power transmission tension clamp, first place the cable on the inner wall of the first clamp main body 1, and by rotating the limit adjustment bolt 19, the first auxiliary limit ring 7 and the first auxiliary limit ring 7 The two auxiliary limit rings 17 are used for clamping and fixing the cables without the need for staff to press the cables all the time. Then, the U-shaped connecting ring 9 is inserted into the second connecting plate 8 to lock the auxiliary fixing block 11 through the clamping groove 14 Connected to the inner side wall of the U-shaped connecting ring 9, replace the extension fixing blocks 16 with different thicknesses according to the different thickness of the cable for use, and fix them one by one through the second nuts 10. The plate 3 is rotated on the rotating connecting plate 12 , and after the rotation, the connecting plate 3 is fixed and used by the fixing bolts 6 .

Claims (7)

1. A strain clamp for power transmission comprises a first clamp main body (1), and is characterized in that a second clamp main body (2) is arranged at one end of the first clamp main body (1), a connecting plate (3) is symmetrically connected to one end of the second clamp main body (2), an anti-oxidation layer (21) is coated on the outer surfaces of the first clamp main body (1) and the second clamp main body (2), and an insulating layer (20) is coated on the inner side walls of the first clamp main body (1) and the second clamp main body (2);

the outer surface of the first line clamp main body (1) is provided with a plurality of U-shaped connecting rings (9), the inner side wall of each U-shaped connecting ring (9) is provided with an auxiliary fixing block (11), one side of the outer surface of the first line clamp main body (1) is provided with a first auxiliary limiting ring (7), and the other side of the outer surface of the first line clamp main body (1) is provided with a second auxiliary limiting ring (17);

the other end of the first wire clamp main body (1) is provided with an insulating rubber connecting ring (24), and the outer surface of the insulating rubber connecting ring (24) is sequentially connected with a plurality of return springs (23) along the circumferential direction.

2. The strain clamp for power transmission according to claim 1, wherein a rotary connection plate (12) is symmetrically connected to the other end of the first clamp body (1);

the outer surfaces of the two rotary connecting plates (12) are respectively attached to one side wall of the connecting plate (3);

a connecting shaft (4) is arranged between the two rotary connecting plates (12);

two ends of the connecting shaft (4) respectively penetrate through the rotary connecting plate (12) and extend to the outer surface of the connecting plate (3).

3. The strain clamp for power transmission according to claim 2, wherein a first nut (5) is respectively sleeved at two ends of the connecting shaft (4);

two ends of the connecting shaft (4) are respectively provided with a first external thread matched with the first nut (5);

the outer surface of each connecting plate (3) is symmetrically provided with bolts (6);

the outer surface of each connecting plate (3) is provided with a first threaded hole matched with the bolt (6);

one side wall of each rotating connecting plate (12) is provided with a plurality of second threaded holes (13) matched with the bolts (6) along the circumferential direction.

4. The strain clamp for power transmission according to claim 1, wherein one end of the first auxiliary limiting ring (7) and one end of the second auxiliary limiting ring (17) are hinged through a pin;

the bottom of the first wire clamp main body (1) is provided with a clamping groove matched with the second auxiliary limiting ring (17);

the top of the other end of the first auxiliary limiting ring (7) is provided with a limiting adjusting bolt (19);

the top of the other end of the first auxiliary limiting ring (7) is provided with a third threaded hole matched with the limiting adjusting bolt (19);

the top of the other end of the second auxiliary limiting ring (17) is provided with a fourth threaded hole corresponding to the third threaded hole in position;

the fourth threaded hole is matched with a limit adjusting bolt (19).

5. The strain clamp for power transmission according to claim 1, wherein a second connecting plate (8) is respectively arranged at two ends of each U-shaped connecting ring (9);

through holes matched with the two ends of the U-shaped connecting ring (9) are formed in the two ends of each second connecting plate (8) respectively;

two ends of each connecting ring (9) respectively penetrate through the through holes and extend to the bottom of the second connecting plate (8);

two ends of each U-shaped connecting ring (9) are respectively sleeved with a second nut (10);

and second external threads matched with the second nuts (10) are respectively arranged at two ends of each U-shaped connecting ring (9).

6. The tension clamp for power transmission according to claim 1, wherein a clamping groove (14) matched with the inner side wall of the U-shaped connecting ring (9) is formed in the top of each auxiliary fixing block (11);

the bottom of each auxiliary fixed block (11) is provided with an extending fixed block (16);

the top of each extending fixing block (16) is connected with a threaded column (15);

and a fifth threaded hole matched with the threaded column (15) is formed in the bottom of each auxiliary fixing block (11).

7. The strain clamp for power transmission according to claim 1, wherein a buffer layer (22) is connected to one end of the plurality of return springs (23) away from the insulating rubber connecting ring (24);

one end of the buffer layer (22) is in threaded connection with the other end of the first wire clamp main body (1).

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