CN107528277B

CN107528277B - Wire fixing device

Info

Publication number: CN107528277B
Application number: CN201710850515.4A
Authority: CN
Inventors: 李志恩; 陈景洪; 容荣彪
Original assignee: Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2017-09-20
Filing date: 2017-09-20
Publication date: 2023-01-24
Anticipated expiration: 2037-09-20
Also published as: CN107528277A

Abstract

The invention belongs to the technical field of electric power safety, and particularly relates to a lead fixing device which comprises a locking device and a fixing device, wherein the fixing device is provided with a double-lug wire biting buckle, the double-lug wire biting buckle is provided with a first protruding part, a second protruding part and a groove, the groove is arranged between the first protruding part and the second protruding part, the locking device is provided with a double-wire binding hoop and a locking part, the double-wire binding hoop is connected with the double-lug wire biting buckle, the double-wire binding hoop comprises a first hoop, a second hoop, a connecting part and an opening part, the locking part penetrates through a gap between the connecting part and the opening part to be connected with the double-wire binding hoop, the first hoop is connected with the first protruding part, and the second hoop is connected with the second protruding part. The invention has the advantages of safety, reliability, convenient and quick installation, low development cost and long service life, and can be suitable for insulators of different types.

Description

Lead fixing device

Technical Field

The invention belongs to the technical field of electric power safety, and particularly relates to a lead fixing device.

Background

The existing method for fixing the overhead conductor on the insulator mainly has two forms: one method is binding and fixing, and a conductor binding process is utilized, namely a bare conductor with the same metal section area as the conductor not less than 4mm & lt 2 & gt is used, the conductor is fixed on an insulator in a winding mode, and the bare conductor is wound to generate contact friction with an overhead conductor so as to achieve the fixing effect; the other type is a metal fixing wire clamp, and the fixing device for connecting the insulator and the wire by utilizing the tightness of the adjusting bolt is developed through a die-casting process. Along with the increase in electric power demand market, the transformation of low pressure overhead line network is more frequent, and traditional ligature way can't satisfy daily demand in the aspect of reliability, security, practicality on the one hand, and on the other hand metal fixation clamp is with high costs to be unfavorable for popularizing and applying on a large scale.

Disclosure of Invention

The present invention provides a lead fixing device for solving at least one of the above technical drawbacks. The insulator mounting structure is safe, reliable, convenient and quick to mount, low in development cost, long in service life and suitable for insulators of different models.

The technical scheme of the invention is as follows: the utility model provides a wire fixing device, includes locking device, fixing device, and fixing device is equipped with the ears and stings the line and detain, and the ears sting the line and detain and be equipped with first protruding portion, second protruding portion, recess, and the recess is located between first protruding portion, the second protruding portion, and locking device is equipped with the mariages and pricks hoop, retaining member, and the retaining member is pricked the hoop with the mariages and is connected, and the mariages is pricked the hoop and is stinged the line with the ears and detain and be connected.

The wire imbeds the recess that the ears were stinged the line and are buckled, and the double filament is pricked the hoop and is detained with the ears and be connected, and the insulator is emboliaed to the double filament is pricked the hoop, and retaining member is pricked the hoop with the double filament and is connected. The twin-wire binding hoop is connected with the first protruding part and the second protruding part of the double-lug wire biting buckle to enable the lead to tightly lean against the insulator, the radius of the twin-wire binding hoop can be changed by adjusting the locking piece, and the purpose of tightly fixing the lead and the insulator together is achieved.

Furthermore, the double-wire bundling hoop comprises a first hoop, a second hoop, a connecting portion and an opening portion, the locking piece penetrates through a crack between the connecting portion and the opening portion to be connected with the double-wire bundling hoop, the first hoop is connected with the first protruding portion, and the second hoop is connected with the second protruding portion. The locking piece penetrates through a crack between the connecting portion and the opening portion to be connected with the double-wire binding hoop, the radius of the double-wire binding hoop of the first hoop and the second hoop can be changed by adjusting the locking piece, and the purpose of tightly fixing the lead and the insulator together is achieved.

Further, the groove is of an arc-shaped structure. The groove is in an arc-shaped structure, so that the embedded double-lug wire biting buckle of the wire can be better adapted, and the wire and the insulator can be more tightly fixed when being fixed.

Furthermore, the groove is internally provided with threads. The friction force between the wire and the double-lug wire biting buckle is increased, so that the wire does not slide in the process of fixing the wire and the insulator.

Further, the retaining member is provided with a bolt, a clamping piece and a nut, the clamping piece is connected with the opening portion, and the bolt penetrates through the clamping piece to be connected with the nut. When the insulator is used, the connecting part is pressed into the opening part, the clamping piece is connected with the opening part and arranged between the opening part and the connecting part, the bolt sequentially penetrates through the opening part, the clamping piece, the nut and the connecting part, and the radius of the first hoop and the radius of the second hoop are changed by screwing in and screwing out the bolt, so that the lead and the insulator are tightly fixed together.

Further, the chucking piece is equipped with first calorie of hole, second card hole and screw hole, and the chucking piece is connected with the opening through first calorie of hole, second hole card, and the bolt passes through the screw hole and is connected with the chucking piece. Through first calorie of hole, the second card hole makes opening and chucking piece be connected, the bolt passes through screw hole and chucking piece swing joint, when carrying out wire and insulator fixed, make the connection of opening and chucking piece not take place to shift, the bolt passes through the screw hole to the tightening and the unscrewing of chucking piece, make nut oppression connecting portion, change first hoop, the radius of second hoop, fasten the insulator better, the prevention is because of the installation of retaining member is improper, the fixed process that leads to wire and insulator produces not hard up, and conveniently fasten and unbind wire and insulator.

Furthermore, the first hoop and the second hoop are steel rings of C-shaped structures, so that the double-wire binding hoop is better sleeved with the insulator, and the fastening performance is enhanced.

The invention has the beneficial effects that:

(1) The groove of the fixing device is of an arc-shaped structure and is internally provided with threads, so that the wire is better suitable for the embedded double-lug wire biting buckle of the wire, and when the wire and the insulator are fixed, the friction force is increased, and the wire and the insulator are more tightly fixed.

(2) The double-wire binding hoop and the locking piece of the locking device are suitable for insulators of various models, and the radius of the double-wire binding hoop can be adjusted through the locking piece, so that the purpose of fastening is achieved.

(3) The device adopts detachable combined elements, is convenient and quick to install, and has low development cost and long service life.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a schematic view of a locking device.

Fig. 3 is a schematic view of one embodiment of the locking device.

Fig. 4 is a schematic view of a fixture.

Fig. 5 is a perspective view of fig. 4.

Fig. 6 is a left side view of fig. 4.

Fig. 7 is a state diagram of the use of the present apparatus.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 6, a lead fixing device includes a locking device and a fixing device, the fixing device is provided with a two-lug wire-biting buckle 1, the two-lug wire-biting buckle 1 is provided with a first protrusion 11, a second protrusion 12 and a groove 13, the groove 13 is arranged between the first protrusion 11 and the second protrusion 12, the locking device is provided with a two-wire binding hoop 2 and a locking member 3, the two-wire binding hoop 2 is connected with the two-lug wire-biting buckle 1, the two-wire binding hoop 2 includes a first hoop 21, a second hoop 22, a connecting portion 23 and an opening portion 24, the locking member 3 passes through a gap between the connecting portion 23 and the opening portion 24 to be connected with the two-wire binding hoop 2, the first hoop 21 is connected with the first protrusion 11, and the second hoop 22 is connected with the second protrusion 12.

The wire imbeds recess 13 of ears stinging the line and detains 1, the twin-wire is pricked the hoop 2 and is connected with ears stinging the line and detain 1, the insulator is emboliaed to the twin-wire is pricked the hoop 2, retaining member 3 passes the crack between connecting portion 23 and the opening 24 and is tied with the twin-wire and detain 2, the twin-wire is pricked the first protruding portion 11 of hoop 2 and ears stinging the line and detain 1, second protruding portion 12 is connected and is closely leaned on the wire on the insulator, can change first hoop 21 through the regulation to retaining member 3, the radius size of second hoop 22, reach the purpose of closely fixing wire and insulator together.

Wherein, recess 13 is circular arc structure, is equipped with the screw thread in the recess 13. The groove 13 is designed into an arc-shaped structure so as to better adapt to the embedded double-lug wire-biting buckle 1 of the wire, and the wire and the insulator are more tightly fixed when being fixed; the groove 13 is internally provided with threads to increase the friction force between the lead and the double-lug wire-biting buckle 1, so that the lead does not slide in the process of being fixed with the insulator.

The first hoop 21 and the second hoop 22 are both steel rings with C-shaped structures, so that the double-wire binding hoop 2 is better sleeved with the insulator, and the fastening performance is enhanced.

The locking member 3 is provided with a bolt 31, a clamping piece 32 and a nut 33, the clamping piece 32 is connected with the opening portion 24, and the bolt 31 penetrates through the clamping piece 32 and is connected with the nut 33. When the insulator is used, the connecting part 23 is pressed into the opening part 24, the clamping piece 32 is connected with the opening part 24 and arranged between the opening part 24 and the connecting part 23, the bolt 31 sequentially passes through the opening part 24, the clamping piece 32, the nut 33 and the connecting part 23, the radius of the first hoop 21 and the radius of the second hoop 22 are changed by screwing in and out the bolt 31, and the lead and the insulator are tightly fixed together.

Wherein, chucking piece 32 is equipped with first calorie of hole, second calorie of hole and screw hole, and chucking piece 32 is connected with opening 24 through first calorie of hole, second hole card, and bolt 31 passes through the screw hole and is connected with chucking piece 32. Through first calorie of hole, the second card hole makes opening 24 be connected with chucking piece 32, bolt 31 passes through screw hole and chucking piece 32 swing joint, when carrying out wire and insulator fixed, make opening 24 and chucking piece 32 be connected and do not take place to shift, bolt 31 is through the screw hole to the tightening and the unscrewing of chucking piece 32, make nut 33 oppress connecting portion 23, change first hoop 21, the radius of second hoop 22, fasten the insulator better, the prevention is because of retaining member 3's the installation is improper, lead to the fixed process production of wire and insulator not hard up, and conveniently fasten and unbind the unbinding to wire and insulator.

Example 2:

fig. 7 shows a second embodiment of the wire fixing device according to the present invention, which is similar to embodiment 1 except that a wire is inserted into a groove 13 of a binaural thread-biting buckle 1, a twin-wire binding clip 2 is connected to a first protrusion 11 and a second protrusion 12 of the binaural thread-biting buckle 1 to tightly abut the wire on an insulator, the twin-wire binding clip 2 is inserted into the insulator, a clamping piece 32 is connected to an opening 24 through a first clamping hole and a second clamping hole, a bolt 31 is connected to the clamping piece 32 through a threaded hole, and the bolt 31 sequentially passes through the opening 24, the clamping piece 32, a nut 33 and a connecting portion 23. When a lead is to be fixed on the insulator, the fastening piece 32 is screwed by the twisting bolt 31 through the threaded hole, so that the nut 33 presses the connecting part 23 to move forward in the direction opposite to the opening part 24, the radiuses of the first hoop 21 and the second hoop 22 are gradually reduced, the double-wire binding hoop 2 reaches the maximum opening state, and the purpose of tightly fixing the lead and the insulator together is achieved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The lead fixing device is characterized by comprising a locking device and a fixing device, wherein the fixing device is provided with a double-lug wire-biting buckle (1), the double-lug wire-biting buckle (1) is provided with a first protruding part (11), a second protruding part (12) and a groove (13), the groove (13) is arranged between the first protruding part (11) and the second protruding part (12), the locking device is provided with a double-wire binding hoop (2) and a locking part (3), the locking part (3) is connected with the double-wire binding hoop (2), and the double-wire binding hoop (2) is connected with the double-lug wire-biting buckle (1);

the double-wire binding hoop (2) comprises a first hoop (21), a second hoop (22), a connecting part (23) and an opening part (24), the locking part (3) penetrates through a crack between the connecting part (23) and the opening part (24) to be connected with the double-wire binding hoop (2), the first hoop (21) is connected with the first protruding part (11), and the second hoop (22) is connected with the second protruding part (12);

the locking piece (3) is provided with a bolt (31), a clamping piece (32) and a nut (33), the clamping piece (32) is connected with the opening part (24), and the bolt (31) penetrates through the clamping piece (32) to be connected with the nut (33);

the first hoop (21) and the second hoop (22) are steel rings with C-shaped structures.

2. A conductor fixing device according to claim 1, characterized in that the recess (13) is of circular arc configuration.

3. A lead attachment device as claimed in claim 2, wherein the recess (13) is provided with a screw thread.

4. The lead fixing device according to claim 1, wherein the clamping piece (32) is provided with a first clamping hole, a second clamping hole and a threaded hole, the clamping piece (32) is connected with the opening portion (24) through the first clamping hole and the second clamping hole, and the bolt (31) is connected with the clamping piece (32) through the threaded hole.