CN217444994U

CN217444994U - Insulating strain clamp for power transmission

Info

Publication number: CN217444994U
Application number: CN202221251746.6U
Authority: CN
Inventors: 杜淑便
Original assignee: Burjin Guoyuan Tianli Wind Power Generation Co ltd
Current assignee: Burjin Guoyuan Tianli Wind Power Generation Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-16
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to a transmission of electricity fastener technical field just discloses an insulating strain clamp for transmission of electricity, including two fastener casings, one side fixed mounting of fastener casing has the fixed plate, the middle part of fixed plate is provided with first screw rod, the equal threaded connection in both ends of first screw rod has first nut, the inside of fastener casing is provided with the actinobacillus plate, one side of actinobacillus plate is provided with the clamp ring. The utility model discloses a clamp ring, the second screw rod, cooperation setting between the second nut, can step up fixedly to the wire in the actinobacillus board, through the fixed section of thick bamboo of second, the second link, cooperation setting between the splint, can be through curved splint pressfitting on the wire, very big reinforcing the fixed effect of wire, the rethread is equipped with the fixed plate, first screw rod, cooperation setting between the first nut, can step up fixedly to the wire in the actinobacillus board once more, thereby multiple fixed effect has been reached.

Description

Insulating strain clamp for power transmission

Technical Field

The utility model relates to a transmission of electricity fastener technical field specifically is an insulating strain clamp is used in transmission of electricity.

Background

The strain clamp is a hardware fitting used for fixing a wire to bear the tension of the wire and hanging the wire on a strain insulator-string set or a tower, and can be roughly divided into two types according to different structures and installation conditions. The first type: the strain clamp bears the whole tension of the lead or the lightning conductor, the clamp gripping force is not less than 90 of the rated tension of the installed lead or the lightning conductor, but the strain clamp does not serve as an electric conductor. The wire clamp can be detached after the wire is installed and used additionally. The cable clamp comprises a bolt type strain clamp, a wedge type strain clamp and the like. 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.

Some insulating strain clamp for transmission of electricity on the existing market:

(1) in the process of using the strain clamp, a traditional insulating strain clamp for power transmission is generally provided with a pay-off groove, so that a lead is placed inside the insulating strain clamp for power transmission for fixation, but most of the pay-off grooves in the insulating strain clamp for power transmission have single structures, so that the lead is poor in fixation effect, and the limitation of the use of the insulating strain clamp for power transmission is further caused;

(2) in the process of using the strain clamp, when a wire penetrates into the insulating strain clamp for power transmission, friction is easily caused between the wire and the insulating strain clamp for power transmission, and when the abrasion is too large, the wire is easily damaged, so that the follow-up use of the wire can be influenced.

We have therefore proposed an insulated strain clamp for power transmission which addresses the problems set out above.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide an insulating strain clamp is used in transmission of electricity to solve some insulating strain clamp for transmission of electricity on the existing market that provide in the above-mentioned background art, have the problem that fixed effect is relatively poor and the wire easily weares and teares.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an insulating strain clamp for power transmission comprises two clamp shells, wherein a fixing plate is fixedly mounted on one side of each clamp shell, a first screw is arranged in the middle of the fixing plate, two ends of the first screw are in threaded connection with first nuts, a pay-off plate is arranged inside each clamp shell, one side of the pay-off plate is provided with a clamping ring, two sides of the clamping ring are provided with second screws, and the outer sides of two ends of each second screw are in threaded connection with second nuts;

the utility model discloses a pay off device, including pay off plate, fixed mounting is on one side of the inner wall of pay off plate, and the one end sliding connection of first solid fixed cylinder has first link, one side of first link is rotated and is connected with the pulley, one side fixed mounting that inner wall one side of pay off plate is close to first solid fixed cylinder has the solid fixed cylinder of second, the one end sliding connection of the solid fixed cylinder of second has the second link, one side fixed mounting of second link has splint, the equal fixed mounting of inner wall of first solid fixed cylinder and the solid fixed cylinder of second has the spring, the one end fixed mounting of spring has the slide.

Preferably, reinforcing ribs are fixedly mounted on the outer sides of the wire clamp shells, and insulating rubber is arranged on the outer sides of the reinforcing ribs.

Preferably, one side of the wire clamp shell is in threaded connection with a first fastening bolt, a hanging rod is arranged on the outer side of the first fastening bolt, and one side of the hanging rod is in threaded connection with a second fastening bolt.

Preferably, the slide plate in the first fixed cylinder is fixed to one side of the first connecting frame, and the slide plate in the second fixed cylinder is fixed to one side of the second connecting frame.

Furthermore, the fixed section of thick bamboo of second quantity has a plurality ofly, and is a plurality of the fixed section of thick bamboo of second is annular array and distributes, the shape of splint is the arc, the inboard of splint is provided with the rubber pad.

Furthermore, the number of the first screw rods is multiple, the first screw rods are arranged at equal intervals, and holes matched with the first screw rods are formed in one side of the fixing plate.

(III) advantageous effects

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

(1) the utility model discloses a wire drawing device, through pressing from both sides the ring, the second screw rod, cooperation setting between the second nut, can step up fixedly to the wire in the drawing drum, through the fixed section of thick bamboo of second, the second link, cooperation setting between the splint, can be through curved splint pressfitting on the wire, thereby carry out stable fixed with the wire, very big reinforcing the fixed effect of wire, the rethread is equipped with the fixed plate, first screw rod, cooperation setting between the first nut, can step up fixedly again to the wire in the drawing drum, thereby multiple fixed effect has been reached, the fixed effect to the wire has been improved.

(2) The cooperation setting between through first fixed section of thick bamboo, first link, the pulley is convenient for guide wire passes the fastener casing, can also prevent simultaneously that wire and inner wall from taking place the friction when penetrating the fastener casing to avoid the excessive friction of wire and impaired, thereby prevent to influence the follow-up use of wire.

Drawings

Fig. 1 is a schematic view of the entire structure of the insulated strain clamp for power transmission according to the present invention;

fig. 2 is a schematic view of a local overlooking structure of a pay-off plate of the insulated strain clamp for power transmission of the present invention;

fig. 3 is a schematic side view of the paying-off plate of the insulated strain clamp for power transmission of the present invention;

fig. 4 is a schematic view of a three-dimensional section structure of a second fixing cylinder of the insulating strain clamp for power transmission of the present invention.

In the figure: 1. a wire clamp housing; 2. reinforcing ribs; 3. a fixing plate; 4. a first screw; 5. a first nut; 6. a first fastening bolt; 7. a hanging rod; 8. a second fastening bolt; 9. a pay-off plate; 10. a clamping ring; 11. a second screw; 12. a second nut; 901. a first fixed cylinder; 902. a first connecting frame; 903. a pulley; 904. a second fixed cylinder; 905. a second link frame; 906. a splint; 907. a spring; 908. a slide board.

Detailed Description

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

Referring to fig. 1-4, the present invention provides an insulated strain clamp for power transmission; the clamp comprises two clamp shells 1, wherein a fixing plate 3 is fixedly arranged on one side of each clamp shell 1, a first screw rod 4 is arranged in the middle of the fixing plate 3, two ends of each first screw rod 4 are in threaded connection with a first nut 5, a pay-off plate 9 is arranged inside each clamp shell 1, one side of each pay-off plate 9 is provided with a clamping ring 10, two sides of each clamping ring 10 are provided with second screw rods 11, and the outer sides of two ends of each second screw rod 11 are in threaded connection with second nuts 12;

a first fixed cylinder 901 is fixedly installed on one side of the inner wall of the pay-off plate 9, one end of the first fixed cylinder 901 is connected with a first connecting frame 902 in a sliding manner, one side of the first connecting frame 902 is connected with a pulley 903 in a rotating manner, one side of the inner wall of the pay-off plate 9, which is close to one side of the first fixed cylinder 901, is fixedly installed with a second fixed cylinder 904, one end of the second fixed cylinder 904 is connected with a second connecting frame 905 in a sliding manner, one side of the second connecting frame 905 is fixedly installed with a clamping plate 906, the inner walls of the first fixed cylinder 901 and the second fixed cylinder 904 are both fixedly installed with a spring 907, and one end of the spring 907 is fixedly installed with a sliding plate 908;

as shown in fig. 2, a preferred embodiment of the present invention is: reinforcing ribs 2 are fixedly arranged on the outer sides of the wire clamp shells 1, and insulating rubber is arranged on the outer sides of the reinforcing ribs 2;

as shown in fig. 1, a preferred embodiment of the present invention is: a first fastening bolt 6 is connected to one side of the wire clamp shell 1 through threads, a hanging rod 7 is arranged on the outer side of the first fastening bolt 6, and a second fastening bolt 8 is connected to one side of the hanging rod 7 through threads;

as shown in fig. 2 and 4, as a preferred technical solution of the present invention: a sliding plate 908 in the first fixed cylinder 901 is fixed with one side of the first connecting frame 902, and a sliding plate 908 in the second fixed cylinder 904 is fixed with one side of the second connecting frame 905;

as shown in fig. 2 to 3, a preferred embodiment of the present invention is: the number of the second fixed cylinders 904 is multiple, the second fixed cylinders 904 are distributed in an annular array, the clamping plate 906 is arc-shaped, and the rubber pads are arranged on the inner side of the clamping plate 906, so that the wires are prevented from being damaged;

as shown in fig. 1, a preferred embodiment of the present invention is: the number of the first screw rods 4 is multiple, the first screw rods 4 are arranged at equal intervals, and holes matched with the first screw rods 4 are formed in one side of the fixing plate 3.

The working principle of the embodiment is as follows: when the insulating strain clamp for power transmission is used, as shown in fig. 1-4, the whole device is composed of a clamp shell 1, a fixing plate 3, a pay-off plate 9, a first fixing cylinder 901, a pulley 903, a second fixing cylinder 904 and clamping plates 906, when the cable is threaded, a lead penetrates into the clamp shell 1, the lead enters the inside of the pay-off plate 9 at the moment, the lead is contacted with the pulley 903 after entering the pay-off plate 9, the pulley 903 guides the lead at the moment, the lead enters between the clamping plates 906 and is prevented from being contacted with the inner wall of the pay-off plate 9, the lead is prevented from being abraded, when the lead penetrates out of the pay-off plate 9, a second nut 12 is rotated, the second nut 12 is matched with a second screw rod 11 and a second nut 10 to close the two pay-off plates 9, the clamping rings 906 apply clamping force to the lead in the closing process of the pay-off plates 9, and after the pay-off plates 9 are closed, a spring 907 in the second fixing cylinder 904 is compressed to the maximum value, and then the first nut 5 is rotated, and at the moment, the wire clamp shell 1 is closed when the first nut 5 is engaged with the fixing plate 3 and the first screw rod 4, so that the second clamping of the wire is completed, and the stability of wire clamping is further improved.

Claims

1. An insulating strain clamp for power transmission comprises two clamp shells (1), and is characterized in that a fixing plate (3) is fixedly mounted on one side of each clamp shell (1), a first screw (4) is arranged in the middle of the fixing plate (3), two ends of each first screw (4) are in threaded connection with a first nut (5), a pay-off plate (9) is arranged inside each clamp shell (1), a clamping ring (10) is arranged on one side of each pay-off plate (9), two sides of each clamping ring (10) are provided with second screws (11), and the outer sides of two ends of each second screw (11) are in threaded connection with second nuts (12);

the fixed mounting of inner wall one side of actinobacillus board (9) has first fixed section of thick bamboo (901), the one end sliding connection of first fixed section of thick bamboo (901) has first connecting frame (902), one side of first connecting frame (902) rotates and is connected with pulley (903), one side of the inner wall one side of actinobacillus board (9) is close to one side fixed mounting of first fixed section of thick bamboo (901) has second fixed section of thick bamboo (904), the one end sliding connection of second fixed section of thick bamboo (904) has second connecting frame (905), one side fixed mounting of second connecting frame (905) has splint (906), the equal fixed mounting of inner wall of first fixed section of thick bamboo (901) and second fixed section of thick bamboo (904) has spring (907), the one end fixed mounting of spring (907) has slide (908).

2. The insulated strain clamp for power transmission according to claim 1, wherein reinforcing ribs (2) are fixedly mounted on the outer sides of the clamp housing (1), and insulating rubber is arranged on the outer sides of the reinforcing ribs (2).

3. The insulated strain clamp for power transmission according to claim 1, wherein a first fastening bolt (6) is screwed to one side of the clamp housing (1), a hanging rod (7) is arranged on the outer side of the first fastening bolt (6), and a second fastening bolt (8) is screwed to one side of the hanging rod (7).

4. The insulated strain clamp for power transmission as claimed in claim 1, wherein the sliding plate (908) of the first fixed cylinder (901) is fixed to one side of the first connecting frame (902), and the sliding plate (908) of the second fixed cylinder (904) is fixed to one side of the second connecting frame (905).

5. The insulated strain clamp for power transmission according to claim 1, wherein the number of the second fixed cylinders (904) is plural, the plural second fixed cylinders (904) are distributed in an annular array, the shape of the clamping plate (906) is an arc, and a rubber pad is arranged on the inner side of the clamping plate (906).

6. The insulated strain clamp for power transmission according to claim 1, wherein the number of the first screws (4) is plural, the plural first screws (4) are arranged at equal intervals, and a hole adapted to the first screw (4) is formed at one side of the fixing plate (3).