CN204205422U - Charged changing tension-resisting insulator wire backup protection equipment - Google Patents

Charged changing tension-resisting insulator wire backup protection equipment Download PDF

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Publication number
CN204205422U
CN204205422U CN201420695623.0U CN201420695623U CN204205422U CN 204205422 U CN204205422 U CN 204205422U CN 201420695623 U CN201420695623 U CN 201420695623U CN 204205422 U CN204205422 U CN 204205422U
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China
Prior art keywords
torque arm
action bars
limit
width
hinged
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Active
Application number
CN201420695623.0U
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Chinese (zh)
Inventor
阮肇华
林福
林桂
涂承谦
王矩峰
刘小明
陈昌庆
彭晖亮
邓罗清
张志忠
周统明
陈凑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Ningde Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Ningde Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Fujian Electric Power Co Ltd, Ningde Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201420695623.0U priority Critical patent/CN204205422U/en
Application granted granted Critical
Publication of CN204205422U publication Critical patent/CN204205422U/en
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Abstract

The utility model relates to a kind of charged changing tension-resisting insulator wire backup protection equipment, comprises aerofoil profile fixing-line device, insulation stay cord, the first action bars and the second action bars; The cable clamping interface installation base plate of aerofoil profile fixing-line device is provided with the first butt hook, downside arranged on left and right sides is hinged with the first torque arm respectively, in first torque arm of both sides, the hinged line clamped block of difference is to form cable clamping interface, first torque arm front end and the second torque arm are hinged, and two second torque arm front ends are hinged and simultaneously hinged U-shaped ring; Be connected with automatic blocking spring and limit for width device between two second torque arm, strut width with what fix spring; Insulation stay cord two ends connect shaft tower and U-shaped ring respectively, first action bars is connected with the first butt hook, second action bars is connected with limit for width device, and to open limit for width device after cable clamping interface snaps in wire, automatic blocking spring automatically shrinks and drives line clamped block to block wire.The arrangement increases the safety and reliability of live line working, structure is simple, is easy to install implement.

Description

Charged changing tension-resisting insulator wire backup protection equipment
Technical field
The utility model relates to transmission line construction technical field, particularly a kind of charged changing tension-resisting insulator wire backup protection equipment.
Background technology
At present; changing strain insulator string operation majority is do not adopt backup protection equipment at transmission line wire; or adopt when the fixing-line device operation wire backup protection equipment of simple type and implement; there is serious potential safety hazard in operation in above two kinds of situations, wire will be caused to break the accident that falls once replacing instrument comes off or damages.In the prior art, also disclose some and change strain insulator string backup protection equipment, but the most complex structure of those devices, not easily install, inefficiency, and protected effect is unsatisfactory, result of use is not good.
Summary of the invention
The purpose of this utility model is to provide a kind of charged changing tension-resisting insulator wire backup protection equipment, and this device not only increases the safety and reliability of live line working, and structure is simple, is easy to install implement.
For achieving the above object, the technical solution of the utility model is: a kind of charged changing tension-resisting insulator wire backup protection equipment, comprises aerofoil profile fixing-line device, insulation stay cord, the first action bars and the second action bars; Described aerofoil profile fixing-line device comprises cable clamping interface installation base plate, described cable clamping interface installation base plate upper side is provided with the first butt hook for connecting the first action bars, on downside, arranged on left and right sides is hinged with one first torque arm rear end respectively, first torque arm of arranged on left and right sides is hinged with a line clamped block respectively, cable clamping interface is formed with the line clamped block by arranged on left and right sides, first torque arm front end of arranged on left and right sides is hinged with one second torque arm rear end respectively, second torque arm front end of arranged on left and right sides is hinged, and this pin joint is hinged with the U-shaped ring for connecting insulation stay cord simultaneously; Automatic blocking spring and limit for width device is connected with between second torque arm of arranged on left and right sides, with when limit for width device closes, that fixes automatic blocking spring struts width, and when limit for width device is opened, automatic blocking spring automatically shrinks and drives line clamped block to block wire; Described insulation stay cord one end is connected to shaft tower, the other end is connected with described U-shaped ring, described first action bars is connected with described first butt hook, so that aerofoil profile fixing-line device is hung wire place, described second action bars is connected with described limit for width device, with after cable clamping interface snaps in wire, open limit for width device by the second action bars.
Further, described first butt hook is made up of the hook of two the question mark shapes be arranged side by side, described first action bars is made up of a straight-bar and the mountain font gib head being located at straight-bar front end, and described mountain font gib head is arranged between described two hooks and also hooks described two hooks to the left and right sides.
Further, the hook of described automatic blocking spring one end hang on spring handling and buckles, described spring handling are buckled and are arranged in the second torque arm of side, the connecting ring of the described automatic blocking spring other end is sheathed on spring fixed clip and buckles, and described spring fixed clip button is arranged in the second torque arm of opposite side.
Further, described limit for width device comprises a limit for width pull bar and a latch, described limit for width pull bar is hinged in the second torque arm of side, described latch is hinged in the second torque arm of opposite side, described limit for width pull bar is provided with bayonet socket, with when the bayonet socket on limit for width pull bar snaps in latch, that fixes automatic blocking spring struts width; Described second action bars is connected with described limit for width pull bar, with after cable clamping interface snaps in wire, opens limit for width pull bar by the second action bars.
Further, described limit for width pull bar is provided with the draw ring for connecting the second action bars, to open limit for width pull bar by the operation of the second action bars.
Further, described second action bars is made up of the gib head of a straight-bar with the question mark shape being located at straight-bar front end.
Further, the first torque arm of side is provided with the second butt hook.
The beneficial effects of the utility model there is provided a kind of charged changing tension-resisting insulator wire backup protection equipment; this device by arranging the self-locking gear be made up of automatic blocking spring and limit for width device on aerofoil profile fixing-line device; once come off or damage during operation; self-locking gear meeting automatic blocking; prevent wire dropping from breaking, thus improve the fail safe of operation.In addition, this apparatus structure is simple, is easy to construction, improves operating efficiency, have very strong practicality.
Accompanying drawing explanation
Fig. 1 is the vertical view of aerofoil profile fixing-line device in the utility model embodiment.
Fig. 2 is the upward view of aerofoil profile fixing-line device in the utility model embodiment.
Fig. 3 is the structural representation of the first action bars in the utility model embodiment.
Fig. 4 is the structural representation of the second action bars in the utility model embodiment.
In figure, 1-line clamped block, 2-automatic blocking spring, 3-limit for width pull bar, 4-U type ring, the handling of 5-spring are buckled, 6-first torque arm, 7-connecting bolt, 8-first butt hook, 9-spring fixed clip button, 10-latch, 11-cable clamping interface installation base plate, 12-second torque arm, 13-second butt hook, 14-draw ring, 15-links up with, 16-connecting ring, the hook of 17-question mark shape, 18-straight-bar, 19-mountain font gib head, 20-straight-bar, the gib head of 21-question mark shape.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Charged changing tension-resisting insulator wire backup protection equipment of the present utility model, comprises aerofoil profile fixing-line device, insulation stay cord, the first action bars and the second action bars; As shown in Figure 1, 2, aerofoil profile fixing-line device comprises cable clamping interface installation base plate 11, cable clamping interface installation base plate 11 upper side is provided with the first butt hook 8 for connecting the first action bars, on downside, arranged on left and right sides is hinged with one first torque arm 6 rear end respectively, first torque arm 6 of arranged on left and right sides is hinged with a line clamped block 1 respectively, forms cable clamping interface with the line clamped block 1 by arranged on left and right sides; First torque arm 6 front end of arranged on left and right sides is hinged with one second torque arm 12 rear end respectively, and the second torque arm 12 front end of arranged on left and right sides is hinged, and this pin joint is hinged with the U-shaped ring 4 for connecting high-strength insulating stay cord simultaneously; Automatic blocking spring 2 and limit for width device is connected with between second torque arm 12 of arranged on left and right sides, with when limit for width device closes, that fixes automatic blocking spring 2 struts width, and when limit for width device is opened, automatic blocking spring 2 automatically shrinks and drives line clamped block 1 to block wire.Insulation stay cord one end is connected to shaft tower, and the other end is connected with U-shaped ring 4, and the first action bars is connected with the first butt hook 8, so that aerofoil profile fixing-line device is hung wire place, second action bars is connected with limit for width device, with after cable clamping interface snaps in wire, opens limit for width device by the second action bars.
220kV, 110kV transmission line solid conductor wire diameter mostly is 300-400mm, the tension of wire is generally greater than 3 tons, in order to meet the requirement of existing charged changing tension-resisting insulator routine work, the cable clamping interface of aerofoil profile fixing-line device adopts the specification of 300 ~ 400mm wire diameter, high-strength insulating rope maximum load capacity is 6 tons, and action bars meets the insulation property of 220kV electric pressure and the requirement of insulation effective length.
As shown in Figure 1,3, first butt hook 8 is made up of the hook 17 of two the question mark shapes be arranged side by side, first action bars is made up of with the mountain font gib head 19 being located at straight-bar 18 front end a straight-bar 18, and mountain font gib head 19 is arranged between two hooks 17 and also hooks two hooks 17 to the left and right sides.
In the present embodiment, the hook 15 of automatic blocking spring 2 one end hang on spring handling and buckles on 5, spring handling are buckled 5 and are arranged in the second torque arm 12 of side, the connecting ring 16 of automatic blocking spring 2 other end is sheathed on spring fixed clip and buckles on 9, and spring fixed clip button 9 is arranged in the second torque arm 12 of opposite side.
Limit for width device comprises limit for width pull bar 3 and a latch 10, limit for width pull bar 3 is hinged in the second torque arm 12 of side, latch 10 is hinged in the second torque arm 12 of opposite side, limit for width pull bar 3 is provided with bayonet socket, with when the bayonet socket on limit for width pull bar 3 snaps in latch 10, that fixes automatic blocking spring 2 struts width.Limit for width pull bar 3 is provided with the draw ring 14 for connecting the second action bars.Second action bars is connected with the draw ring 14 of limit for width pull bar 3, with after cable clamping interface snaps in wire, opens limit for width pull bar 3 by the operation of the second action bars.As shown in Figure 4, the second action bars is made up of with the gib head 21 of the question mark shape being located at straight-bar 20 front end a straight-bar 20.
In the present embodiment, first torque arm 6 of side is also provided with the second butt hook 13 for connecting the 3rd action bars, fixing-line device is snapped in wire by the operation of the 3rd action bars is auxiliary, or after the end of job, by the 3rd action bars through the second butt hook drive the first torque arm and on line clamped block open wire.
When the utility model fixing-line device is installed, first the bayonet socket on limit for width pull bar 3 is snapped in latch 10, strut width with what fix automatic blocking spring 2.Then open spring fixed clip button 9, the hook 15 of such automatic blocking spring 2 one end just can buckle spring handling easily and buckle 5.Then closing spring fixes buckle 9, thus tension automatic blocking spring 2, make it keep certain tightening force.Reliably be connected with U-shaped ring 4 high-strength insulating stay cord one end, then operating personnel stands in cross arm of tower place, adopts the first action bars to hook the first butt hook 8 of fixing-line device, fixing-line device is hung wire place and snap in wire.After fixing-line device snaps in wire, adopt the second action bars to hook draw ring 14 on limit for width pull bar 3, open limit for width pull bar 3.Now, the second torque arm 12, under the contraction of automatic blocking spring 2, inwardly folds, thus drive the first torque arm 6 and on line clamped block 1 inwardly fold, clamping wire.Finally, the high-strength insulating stay cord other end and shaft tower be fastenedly connected and keep certain pulling force, so far completing the installation of charged changing tension-resisting insulator wire backup protection equipment.Even if high-strength insulating stay cord occurs lax, aerofoil profile fixing-line device also can block transmission line wire tightly under the effect of automatic blocking spring.
Be more than preferred embodiment of the present utility model, all changes done according to technical solutions of the utility model, when the function produced does not exceed the scope of technical solutions of the utility model, all belong to protection range of the present utility model.

Claims (7)

1. a charged changing tension-resisting insulator wire backup protection equipment, is characterized in that, comprises aerofoil profile fixing-line device, insulation stay cord, the first action bars and the second action bars; Described aerofoil profile fixing-line device comprises cable clamping interface installation base plate, described cable clamping interface installation base plate upper side is provided with the first butt hook for connecting the first action bars, on downside, arranged on left and right sides is hinged with one first torque arm rear end respectively, first torque arm of arranged on left and right sides is hinged with a line clamped block respectively, cable clamping interface is formed with the line clamped block by arranged on left and right sides, first torque arm front end of arranged on left and right sides is hinged with one second torque arm rear end respectively, second torque arm front end of arranged on left and right sides is hinged, and this pin joint is hinged with the U-shaped ring for connecting insulation stay cord simultaneously; Automatic blocking spring and limit for width device is connected with between second torque arm of arranged on left and right sides, with when limit for width device closes, that fixes automatic blocking spring struts width, and when limit for width device is opened, automatic blocking spring automatically shrinks and drives line clamped block to block wire; Described insulation stay cord one end is connected to shaft tower, the other end is connected with described U-shaped ring, described first action bars is connected with described first butt hook, so that aerofoil profile fixing-line device is hung wire place, described second action bars is connected with described limit for width device, with after cable clamping interface snaps in wire, open limit for width device by the second action bars.
2. charged changing tension-resisting insulator wire backup protection equipment according to claim 1; it is characterized in that; described first butt hook is made up of the hook of two the question mark shapes be arranged side by side; described first action bars is made up of a straight-bar and the mountain font gib head being located at straight-bar front end, and described mountain font gib head is arranged between described two hooks and also hooks described two hooks to the left and right sides.
3. charged changing tension-resisting insulator wire backup protection equipment according to claim 1; it is characterized in that; the hook of described automatic blocking spring one end hang on spring handling and buckles; described spring handling are buckled and are arranged in the second torque arm of side; the connecting ring of the described automatic blocking spring other end is sheathed on spring fixed clip and buckles, and described spring fixed clip button is arranged in the second torque arm of opposite side.
4. charged changing tension-resisting insulator wire backup protection equipment according to claim 1, it is characterized in that, described limit for width device comprises a limit for width pull bar and a latch, described limit for width pull bar is hinged in the second torque arm of side, described latch is hinged in the second torque arm of opposite side, described limit for width pull bar is provided with bayonet socket, and with when the bayonet socket on limit for width pull bar snaps in latch, that fixes automatic blocking spring struts width; Described second action bars is connected with described limit for width pull bar, with after cable clamping interface snaps in wire, opens limit for width pull bar by the second action bars.
5. charged changing tension-resisting insulator wire backup protection equipment according to claim 4, is characterized in that, described limit for width pull bar is provided with the draw ring for connecting the second action bars, to open limit for width pull bar by the operation of the second action bars.
6. charged changing tension-resisting insulator wire backup protection equipment according to claim 5, is characterized in that, described second action bars is made up of the gib head of a straight-bar with the question mark shape being located at straight-bar front end.
7. charged changing tension-resisting insulator wire backup protection equipment according to claim 1, is characterized in that, the first torque arm of side is provided with the second butt hook.
CN201420695623.0U 2014-11-19 2014-11-19 Charged changing tension-resisting insulator wire backup protection equipment Active CN204205422U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420695623.0U CN204205422U (en) 2014-11-19 2014-11-19 Charged changing tension-resisting insulator wire backup protection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420695623.0U CN204205422U (en) 2014-11-19 2014-11-19 Charged changing tension-resisting insulator wire backup protection equipment

Publications (1)

Publication Number Publication Date
CN204205422U true CN204205422U (en) 2015-03-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104348111A (en) * 2014-11-19 2015-02-11 国家电网公司 Lead backup protection device for live replacement of tension insulator string, and mounting method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104348111A (en) * 2014-11-19 2015-02-11 国家电网公司 Lead backup protection device for live replacement of tension insulator string, and mounting method thereof

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