CN210724133U - Anti-broken line structure of overhead line - Google Patents

Anti-broken line structure of overhead line Download PDF

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Publication number
CN210724133U
CN210724133U CN201922033356.6U CN201922033356U CN210724133U CN 210724133 U CN210724133 U CN 210724133U CN 201922033356 U CN201922033356 U CN 201922033356U CN 210724133 U CN210724133 U CN 210724133U
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CN
China
Prior art keywords
shell
push rod
locking device
overhead
clamping mechanism
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Application number
CN201922033356.6U
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Chinese (zh)
Inventor
黄日瑞
吴天杰
黄雄
林少佳
岑琼霞
陈锐忠
程范贤
王崇鲁
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Qionghai Power Supply Bureau of Hainan Power Grid Co Ltd
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Qionghai Power Supply Bureau of Hainan Power Grid Co Ltd
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Priority to CN201922033356.6U priority Critical patent/CN210724133U/en
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Publication of CN210724133U publication Critical patent/CN210724133U/en
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Abstract

The utility model provides an overhead line prevents broken wire structure, including a plurality of locking device on the overhead cable and be used for connecting two adjacent locking device's the mechanism of dragging, this locking device includes the shell, sets up at the inside clamping mechanism of this shell and set up and be used for promoting the tight locker of this clamping mechanism clamp in this shell, and this clamping mechanism includes two draw bars that can move in opposite directions and the tight piece of clamp fixed with each draw bar, the utility model discloses a dragging the mechanism and linking together two adjacent locking device, when the cracked condition of any point emergence of overhead cable, because two adjacent locking device link together each other, consequently the fracture extreme point of overhead cable can not fall to ground, prevent that the overhead cable from breaking and ground contact. The problem that the overhead cable is suddenly broken to generate excessive tension is prevented due to the existence of the volute spring, and the problem of secondary breakage is prevented through buffering of the volute spring.

Description

Anti-broken line structure of overhead line
Technical Field
The utility model relates to an overhead line protection device more particularly indicates an overhead line prevents broken wire structure.
Background
The overhead line mainly refers to an overhead open line, is erected above the ground and is a power transmission line for transmitting electric energy by fixing a power transmission conductor on a tower erected on the ground through an insulator. However, the overhead line is easily affected by weather and environment (such as strong wind, lightning strike, dirt, ice and snow), so that the line breaking fault is caused, and once the line breaking fault occurs, the power utilization requirement is affected, so that potential safety hazards are also caused, the repair progress is also affected, and how to prevent the cable from being in contact with the ground after the line is broken and how to rapidly perform repair operation after the line is broken becomes one of the directions researched by the industry.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at prevents broken wire structure of overhead line, it links together two adjacent locking device through acting as go-between through unique structural design, and the overhead cable can not contact with ground at any one its fracture end of point fracture.
Another object of the present invention is to provide an overhead cable anti-breaking structure that can be quickly installed on an overhead cable and can be quickly detached from the overhead cable.
The utility model discloses the technical scheme of sampling does: the utility model provides an overhead line prevents broken wire structure, including a plurality of locking device on the overhead cable and be used for connecting two adjacent locking device's mechanism that drags, this locking device includes the shell, set up the inside clamping mechanism of this shell and set up and be used for promoting the tight locker of this clamping mechanism clamp in this shell, this clamping mechanism includes two pull rods that can move in opposite directions and the fixed clamp piece of every pull rod, this locker is including the push rod that is used for promoting this pull rod to remove and the positioning mechanism who is used for fixing a position the push rod in this shell, this push rod passes through the connecting rod and is connected with this pull rod transmission, this positioning mechanism sets up between this push rod and this shell.
The front end and the rear end of the shell are provided with a front fixing support and a rear fixing support, and the push rod is movably connected in the front fixing support in a penetrating mode.
The front fixing support and the rear fixing support are provided with guide rails for guiding the pull rod to move.
A spring is arranged between the tail end of the push rod and the rear fixing support.
The positioning mechanism comprises a lock bolt arranged in the push rod, a lock hole arranged in the shell and used for the lock bolt to extend into, and an unlocking button used for pushing the lock bolt to be separated from the lock hole, wherein the lock bolt is provided with a containing hole used for containing the lock bolt, a spring is arranged between the lock bolt and the bottom of the containing hole, and a spring is arranged between the unlocking button and the lock hole.
The clamping piece is provided with an anti-skid base plate.
Two ends of each pull rod, the front fixing support and the rear fixing support are provided with pulleys.
The pulling mechanism comprises a box body arranged on the outer surface of the shell, a volute spring arranged in the box body and an insulating wire connected with the volute spring.
The utility model has the advantages that: the utility model discloses a drag the mechanism and link together two adjacent locking device, when the cracked condition of any one point emergence of overhead cable, because two adjacent locking device link together each other, consequently the fracture extreme point of overhead cable can not fall to ground, prevent that the overhead cable from breaking and ground contact. The problem that the overhead cable is suddenly broken to generate excessive tension is prevented due to the existence of the volute spring, and the problem of secondary breakage is prevented through buffering of the volute spring. The utility model discloses an installation that its unique structural design can be quick is fixed on overhead cable, also can be quick when needing to overhaul simultaneously the utility model discloses demolish from overhead cable.
Drawings
Fig. 1 is the utility model discloses install the schematic diagram behind the overhead cable.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a schematic structural diagram of the lock of the present invention.
Fig. 4 is a schematic view of the clamping piece of the present invention provided with an anti-slip backing plate.
Fig. 5 is a schematic structural view of the pulling mechanism of the present invention.
Fig. 6 shows a second embodiment of the lock mechanism of the present invention.
Detailed Description
Referring to fig. 1 to 5, a preferred embodiment of the present invention is an overhead line anti-breaking structure, as shown in fig. 1, comprising a plurality of locking devices 10 locked on an overhead cable and a pulling mechanism 20 for connecting two adjacent locking devices 10, as shown in fig. 2, the locking device 10 comprises a housing 11, a clamping mechanism 12 disposed inside the housing 11 and a locking device 13 disposed inside the housing 11 for pushing the clamping mechanism 12 to clamp, the clamping mechanism 12 comprises two pull rods 121 movable toward each other and a clamping plate 122 fixed to each pull rod 121, the locking device 13 comprises a push rod 131 for pushing the pull rod 121 to move and a positioning mechanism 132 for positioning the push rod 131 inside the housing 11, the push rod 131 is in transmission connection with the pull rod 121 through a connecting rod a, the positioning mechanism 132 is disposed between the push rod 131 and the housing 11, drive these two pull rods 121 along the center pin round trip movement of this shell 11 through push rod 131, aerial cable B stretches into to the inboard of these two tight pieces of clamp, drives the center pin removal of these two tight pieces of clamp toward the shell through the pull rod, makes these two tight pieces of clamp press from both sides tight aerial cable B of clamp, realizes the effect of the tight aerial cable B of clamp through clamping mechanism.
As shown in fig. 2, a front fixing bracket 111 and a rear fixing bracket 112 are disposed at front and rear ends of the housing 11, the push rod 131 is movably inserted into the front fixing bracket 111, and a spring C is disposed between a distal end of the push rod 131 and the rear fixing bracket 112.
The front fixing bracket 111 and the rear fixing bracket 112 are provided with a guide rail 113 for guiding the movement of the draw bar 121.
As shown in fig. 3, the positioning mechanism 132 includes a latch 1321 disposed in the plunger 131, a locking hole 1322 disposed in the housing 11 into which the latch 1321 extends, and an unlocking button 1323 for pushing the latch 1321 out of the locking hole 1322, the latch 1321 is provided with a receiving hole D for receiving the latch 1321, a spring E is disposed between the latch 1321 and a bottom of the receiving hole D, and a spring F is disposed between the unlocking button 1323 and the locking hole 1322.
When promoting this push rod removal, promote the pull rod through the push rod and remove toward shell center pin direction, it removes to drive through the pull rod and press from both sides tight piece, thereby realize two tight piece of clamp and remove the state that forms closed locking in opposite directions, simultaneously in this, after two tight pieces of clamp form the locking state, stretch into to the keyhole through the set bar, fix a position the push rod in the shell with the state of guaranteeing that these two tight pieces of clamp are in the locking all the time through the set bar, when needs unblock, can push away the set bar from the lockhole and then realize the purpose of unblock through pressing the release button, and the in-process push rod at the unblock receives terminal spring's effect, the push rod can the purpose that the fast movement reaches the unblock.
It is worth mentioning that for better locking of the overhead cable, the clamping piece 122 is provided with an anti-slip shim plate H, as shown in fig. 4. In order to ensure the up-and-down movement performance of the pull rod, two ends of each pull rod 121, the front fixing bracket 111 and the rear fixing bracket 112 are provided with pulleys.
As shown in fig. 5, the pulling mechanism 20 includes a box 21 disposed on the outer surface of the housing 11, a volute spring 22 disposed in the box 21, and an insulating wire 23 connected to the volute spring 22, wherein a plurality of locking devices are fixed to the overhead cable at a predetermined safety distance, and two adjacent locking devices are connected together by the pulling mechanism. The problem that the overhead cable is suddenly broken to generate excessive tension is prevented due to the existence of the volute spring, and the problem of secondary breakage is prevented through buffering of the volute spring.
As shown in fig. 6, the clamping mechanism 12A of the second embodiment of the present invention includes three tie rods 121A movable along the central axis of the housing 11A and clamping pieces 122A disposed on each tie rod, and it should be noted that the arrangement of the locking device for pushing the clamping pieces to move or maintain the locking state is the same regardless of two clamping pieces and three clamping pieces, and only the number is different, and the structure of the clamping mechanism is sufficient for those skilled in the art to implement the above-mentioned three clamping pieces.
The utility model discloses what realize, the utility model discloses a act as go-between links together two adjacent locking device, and the overhead cable can not contact with ground at any one point its fracture end of fracture, moreover the utility model discloses an installation that its unique structural design can be quick is fixed on the overhead cable, also can be quick when needing to overhaul simultaneously the utility model discloses demolish from the overhead cable.
The embodiments and drawings of the present invention are only for illustrating the design concept of the present invention, and the protection scope of the present invention should not be limited to this embodiment.
From the above, it can be seen that the objects of the present invention are efficiently attained. The part of the embodiments that illustrate the objectives and the functional and structural objects of the invention, and include other equivalents.
Accordingly, the invention is intended to cover other equally effective embodiments, as the scope of the appended claims will refer to.

Claims (9)

1. The utility model provides an overhead line prevents broken wire structure, includes that a plurality of locks locking device on the overhead cable and is used for connecting two adjacent locking device's the mechanism that drags, its characterized in that: the locking device comprises a shell, a clamping mechanism arranged in the shell and a locker arranged in the shell and used for pushing the clamping mechanism to clamp, wherein the clamping mechanism comprises two pull rods capable of moving in opposite directions and a clamping piece fixed with each pull rod, the locker comprises a push rod used for pushing the pull rods to move and a positioning mechanism used for positioning the push rod in the shell, the push rod is in transmission connection with the pull rods through connecting rods, and the positioning mechanism is arranged between the push rod and the shell.
2. The structure of claim 1, wherein the front and rear ends of the housing are provided with a front fixing bracket and a rear fixing bracket, and the push rod is movably inserted into the front fixing bracket.
3. The overhead line structure of claim 2, wherein the front fixing bracket and the rear fixing bracket are provided with guide rails for guiding the movement of the pulling rod.
4. The structure of claim 2, wherein a spring is disposed between the end of the push rod and the rear fixing bracket.
5. An overhead line wire breakage preventing structure as claimed in claim 1, wherein the positioning mechanism includes a lock bolt provided in the push rod, a lock hole provided in the housing for the lock bolt to extend into, and an unlock button for pushing the lock bolt out of the lock hole, the lock bolt is provided with a receiving hole for receiving the lock bolt, a spring is provided between the lock bolt and a bottom of the receiving hole, and a spring is provided between the unlock button and the lock hole.
6. An overhead line structure of claim 1, wherein the clamping piece is provided with an anti-slip pad.
7. The structure of claim 2, wherein the two ends of each pull rod and the front and rear fixing brackets are provided with pulleys.
8. An overhead line structure of claim 1, wherein the pulling mechanism comprises a box body disposed on the outer surface of the housing, a volute spring disposed in the box body, and an insulating wire connected to the volute spring.
9. The utility model provides an overhead line prevents broken wire structure, includes that a plurality of locks locking device on the overhead cable and is used for connecting two adjacent locking device's the mechanism that drags, its characterized in that: the locking device comprises a shell, a clamping mechanism arranged in the shell and a locker arranged in the shell and used for pushing the clamping mechanism to clamp, wherein the clamping mechanism comprises three pull rods capable of moving along a central shaft of the shell and clamping pieces arranged on each pull rod, the locker comprises a push rod used for pushing the pull rods to move and a positioning mechanism used for positioning the push rod in the shell, the push rod is in transmission connection with the pull rods through connecting rods, and the positioning mechanism is arranged between the push rod and the shell.
CN201922033356.6U 2019-11-22 2019-11-22 Anti-broken line structure of overhead line Active CN210724133U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922033356.6U CN210724133U (en) 2019-11-22 2019-11-22 Anti-broken line structure of overhead line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922033356.6U CN210724133U (en) 2019-11-22 2019-11-22 Anti-broken line structure of overhead line

Publications (1)

Publication Number Publication Date
CN210724133U true CN210724133U (en) 2020-06-09

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ID=70932722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922033356.6U Active CN210724133U (en) 2019-11-22 2019-11-22 Anti-broken line structure of overhead line

Country Status (1)

Country Link
CN (1) CN210724133U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112421555A (en) * 2020-11-12 2021-02-26 广东电网有限责任公司 Broken wire repairing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112421555A (en) * 2020-11-12 2021-02-26 广东电网有限责任公司 Broken wire repairing device

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