CN102412451B - Self-locking wire end earthing clamp - Google Patents

Self-locking wire end earthing clamp Download PDF

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Publication number
CN102412451B
CN102412451B CN 201110448938 CN201110448938A CN102412451B CN 102412451 B CN102412451 B CN 102412451B CN 201110448938 CN201110448938 CN 201110448938 CN 201110448938 A CN201110448938 A CN 201110448938A CN 102412451 B CN102412451 B CN 102412451B
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CN
China
Prior art keywords
adjusting mechanism
self
angle
chuck
folder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201110448938
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Chinese (zh)
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CN102412451A (en
Inventor
陈渊
许飞
王凯
郑广平
汪丽川
周柯
宾凯
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.)
Electric Power Research Institute of Guangxi Power Grid Co Ltd
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Electric Power Research Institute of Guangxi Power Grid Co Ltd
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Application filed by Electric Power Research Institute of Guangxi Power Grid Co Ltd filed Critical Electric Power Research Institute of Guangxi Power Grid Co Ltd
Priority to CN 201110448938 priority Critical patent/CN102412451B/en
Publication of CN102412451A publication Critical patent/CN102412451A/en
Application granted granted Critical
Publication of CN102412451B publication Critical patent/CN102412451B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The discloses a self-locking wire end earthing clamp which comprises a wire holder main body, a sub wire clamp and an angle adjusting mechanism, the earthing clamp provided by the invention utilizes a resetting self-lock principle to realize the purpose of clamping high-pressure wire, a clamp head is splayed and closed through only drawing back and relaxing a bracing wire, thereby thereby quickly completing the clamping of the high-pressure wire and loosen action, and operation is very simple; in addition, the earthing clamp is provided with the angle adjusting mechanism, the angle adjusting mechanism is utilized to regulate an angle between the wire clamp and an operation rod according to the requirements, thereby adapting to relative position variation of an operator and the tested high-pressure wire.

Description

Self-locking conductor termination ground clamp
Technical field
The present invention relates to the high-voltage conducting wires testing tool, especially a kind of self-locking conductor termination ground clamp.
Background technology
The conductor termination ground clamp is a kind of safety appliance for the transmission pressure temporary short-circuit ground connection that will have a power failure, and its effect is to the high voltage electricity transmission conductive wire interruption maintenance time, prevents that unexpected incoming call or contiguous high voltage alive equipment from producing induced voltage to the harm of human body.The wire clamp of each grid company use mainly contains double tongue type, flat, impacting type and spiral at present.Yet for the 500kV circuit, preceding 3 kinds of wire clamp structures are not too reasonable, and very easily coming off makes the working point lose protection.Although spirally can guarantee reliable ground, use that its labour intensity is big, efficient is low, operation is difficult, cause the workmen sometimes not according to the safety standard operation easily, there is certain security risk.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of rational in infrastructure, ground connection is reliable, simple to operate, self-locking conductor termination ground clamp that labour intensity is less.
Adopt following technical scheme for solving the problems of the technologies described above the present invention: self-locking conductor termination ground clamp, comprise the wire clamp main body, by-pass folder and angle-adjusting mechanism, wire clamp main body one end is the main line chuck, the other end is support, middle by the connection of folder body, main line chuck bottom is provided with earth connection point, the main line chuck is fixedlyed connected by rivet with the folder body, folder is as the tubular structure of both ends open, the folder body is installed with guide pipe near the main line chuck end, the folder body other end is installed with screwed pipe, and support is fixed on folder body sidepiece, and support is provided with first hinge connection and second hinge connection; The by-pass folder comprises fixed half chuck and moving half chuck, moving half chuck is fixedlyed connected by removable pin with distance rod one end, thrust spring is enclosed within on the distance rod, boss face contact on thrust spring one end and the distance rod is connected, the other end is connected with the contact of setscrew nut face, the endoporus of setscrew nut and the external diameter of distance rod are in axial sliding connection, and backguy construction bolt and the distance rod other end are by being threaded; Angle-adjusting mechanism comprises the adjusting mechanism main body, action bars is installed pipe and angle adjustment lever, two action bars installation pipes are fixedly connected along the length direction of adjusting mechanism main body, two hinge tie points are arranged on the adjusting mechanism main body, the first hinge tie point is rotatably connected with angle adjustment lever one end by rivet, angle adjustment lever is connected with first hinge connection by bolt, the second hinge tie point is rotatably connected with second hinge connection by rivet, near the action bars of wire clamp main body pipe end face top is installed and is fixedly connected with slideway, pulley bracket is movably arranged on the slideway, pulley is installed in the middle of the pulley bracket, and threaded rod and the wing nut of pulley bracket bottom are fixedly connected on slideway.
Angle adjustment lever is distributed with a plurality of angle location hole along bar.
Angle adjustment lever is provided with an angle location groove along bar.
The type that the colludes portion of main line chuck is provided with aperture, and fixed half chuck is pegged graft by inserted link in the aperture.
Self-locking conductor termination ground clamp of the present invention utilizes the spring reset self-lock mechanism to realize clamping the purpose of high-voltage conducting wires, only needing pull-up, loosening backguy is expansible, closed chuck, thereby finish fast high-voltage conducting wires clamping, unclamp action, operate very simple.In addition, the present invention also has angle-adjusting mechanism, utilizes it can regulate angle between wire clamp and the action bars as required.
Description of drawings
Fig. 1 is the stereogram of self-locking conductor termination ground clamp of the present invention.
Fig. 2 is the stereogram of the wire clamp agent structure of self-locking conductor termination ground clamp of the present invention.
Fig. 3 is the stereogram of the by-pass clamping structure of self-locking conductor termination ground clamp of the present invention.
Fig. 4 is the stereogram of the angle-adjusting mechanism of self-locking conductor termination ground clamp of the present invention.
Fig. 5 is the use state diagram one (fixed angle adjustment form) of self-locking conductor termination ground clamp of the present invention.
Fig. 6 is the use state diagram two (fixed angle adjustment form) of self-locking conductor termination ground clamp of the present invention.
Fig. 7 is the use state diagram three (angle adjustment form continuously) of self-locking conductor termination ground clamp of the present invention.
In figure: 1. earth connection point 2. moving half chuck 13. distance rod 14. pin 15. thrust spring 16. boss 17. setscrew nut 18. bracing wire construction bolt 19. guiding mechanism main body 20. action bars of main line chuck 3. support 4. folder body 5. aperture 7. guide pipe 8. screwed pipe 9. first fixed half chucks 12. of hinge connection 10. second hinge connection 11. are installed pipe 21. second chain connection point 22. first chain connection point 24. angle adjustment lever 26. angle orientation hole 27. bolt 28. slideway 29. pulley bracket 30. pulley 31. wing nut 32. bracing wire 33. high-voltage conducting wires 36. angle orientation grooves.
Embodiment
Extremely shown in Figure 7 as Fig. 1, self-locking conductor termination ground clamp of the present invention comprises the wire clamp main body, by-pass folder and angle-adjusting mechanism, wire clamp main body one end is main line chuck 2, the other end is support 3, middle by 4 connections of folder body, main line chuck 2 bottoms are provided with earth connection point 1, main line chuck 2 is fixedlyed connected by rivet with folder body 4, folder body 4 is the tubular structure of both ends open, folder body 4 is installed with guide pipe 7 near main line chuck 2 ends, folder body 4 other ends are installed with screwed pipe 8, and support 3 is fixed on folder body 4 sidepieces, and support 3 is provided with first hinge connection 9 and second hinge connection 10; The by-pass folder comprises fixed half chuck 11 and moving half chuck 12, fixed half chuck 11 is pegged graft by inserted link in the aperture 5 of the type that the colludes portion that becomes owner of wire clamp head 2, moving half chuck 12 is fixedlyed connected by removable pin 14 with distance rod 13 1 ends, thrust spring 15 is enclosed within on the distance rod 13, thrust spring 15 1 ends are connected with 16 contacts of boss on the distance rod 13,17 contacts of the other end and setscrew nut are connected, the external diameter of the endoporus of setscrew nut 17 and distance rod 13 is in axial sliding connection, and backguy construction bolt 18 and distance rod 13 other ends are by being threaded; Angle-adjusting mechanism comprises adjusting mechanism main body 19, action bars is installed pipe 20 and angle adjustment lever 24, two action bars installation pipes 20 are fixedly connected along the length direction of adjusting mechanism main body 19, two hinge tie points are arranged on the adjusting mechanism main body 19, the first hinge tie point 22 is rotatably connected with angle adjustment lever 24 1 ends by rivet, angle adjustment lever 24 is connected with first hinge connection 9 by bolt 27, the second hinge tie point 21 is rotatably connected with second hinge connection 10 by rivet, near the action bars of wire clamp main body pipe 20 end face tops are installed and are fixedly connected with slideway 28, pulley bracket 29 is movably arranged on the slideway 28, in the middle of the pulley bracket 29 pulley 30 is installed, threaded rod and the wing nut 31 of pulley bracket 29 bottoms are fixedly connected on slideway 28.
Angle-adjusting mechanism is by the angle of angle adjustment lever 24 adjustment action bars and wire clamp main body among the present invention, and angle adjustment lever 24 is divided into fixed angle adjustment and continuous two kinds of forms of angle adjustment, replaceable use as required.The former is distributed with a plurality of angle location hole 26 in angle adjustment lever 24 along bar, during use, choose suitable angle location hole 26 after, bolt 27 is passed angle location hole 26 is connected with first hinge connection 9, tighten and get final product; The latter is provided with an angle location groove 36 in angle adjustment lever 24 along bar, and during use, move angle location notch 36 is adjusted bolt 27 positions, tightens fixed angle and gets final product.
In addition, according to different detection tasks, the thrust spring 15 that fast changeable thrust is different.
When using self-locking conductor termination ground clamp of the present invention, action bars is inserted in action bars pipe 20 is installed, form a fixed connection with wire clamp, one end of backguy 32 is passed gap between pulley 30 tops and pulley bracket 29 tops, insert the middle aperture 5 of backguy construction bolt 18, and be fixed on the backguy construction bolt 18.Pulling backguy 32 can be opened the wire clamp opening, and high-voltage conducting wires 33 is hung fixed half chuck 11 and moved 12 of half chucks, loosens backguy 32 then and can realize that wire clamp is to the clamping of high-voltage conducting wires 33.When unclamping, only need pulling backguy 32, hang up high-voltage conducting wires 33 and get final product.
As required, can make the adjustment of a plurality of angles between action bars and wire clamp main body, concrete operations are:
1. fixed angle adjustment form is unclamped nut, takes out bolt 27, adjusts angle adjustment lever 24, makes the angle location hole 26 that needs aim at first hinge connection 9, inserting bolt 27, and fastening nut gets final product.
2. the angle adjustment form only need be unclamped nut continuously, and move angle adjusting lever 24 is to correct position, and fastening nut can be realized action bars and the intersubjective angle adjustment of wire clamp.
When adjusting action bars and the intersubjective angle of wire clamp, also need to adjust pulley bracket 29 in the position of slideway 28, to adapt to the needs that backguy 32 is changed by force direction, concrete operations are: unclamp wing nut 31, adjust suitable pulley bracket 29 in the position of slideway 28, tighten wing nut 31 and get final product.

Claims (4)

1. self-locking conductor termination ground clamp, comprise wire clamp main body, by-pass folder and angle-adjusting mechanism, it is characterized in that: described wire clamp main body one end is the main line chuck, the other end is support, middle by the connection of folder body, main line chuck bottom is provided with earth connection point, the main line chuck is fixedlyed connected by rivet with the folder body, folder is as the tubular structure of both ends open, the folder body is installed with guide pipe near the main line chuck end, the folder body other end is installed with screwed pipe, and support is fixed on folder body sidepiece, and support is provided with first hinge connection and second hinge connection; Described by-pass folder comprises fixed half chuck and moving half chuck, moving half chuck is fixedlyed connected by removable pin with distance rod one end, thrust spring is enclosed within on the distance rod, boss face contact on thrust spring one end and the distance rod is connected, the other end is connected with the contact of setscrew nut face, the endoporus of setscrew nut and the external diameter of distance rod are in axial sliding connection, and backguy construction bolt and the distance rod other end are by being threaded; Described angle-adjusting mechanism comprises the adjusting mechanism main body, action bars is installed pipe and angle adjustment lever, two action bars installation pipes are fixedly connected along the length direction of adjusting mechanism main body, two hinge tie points are arranged on the adjusting mechanism main body, the first hinge tie point is rotatably connected with angle adjustment lever one end by rivet, angle adjustment lever is connected with described first hinge connection by bolt, the second hinge tie point is rotatably connected with second hinge connection by rivet, near the action bars of wire clamp main body pipe end face top is installed and is fixedly connected with slideway, pulley bracket is movably arranged on the slideway, pulley is installed in the middle of the pulley bracket, and threaded rod and the wing nut of pulley bracket bottom are fixedly connected on slideway.
2. self-locking conductor termination ground clamp according to claim 1, it is characterized in that: described angle adjustment lever is distributed with a plurality of angle location hole along bar.
3. self-locking conductor termination ground clamp according to claim 1, it is characterized in that: described angle adjustment lever is provided with an angle location groove along bar.
4. according to the arbitrary described self-locking conductor termination ground clamp of claim 1 to 3, it is characterized in that: the type that the colludes portion of described main line chuck is provided with aperture, and described fixed half chuck is pegged graft by inserted link in the aperture.
CN 201110448938 2011-12-29 2011-12-29 Self-locking wire end earthing clamp Expired - Fee Related CN102412451B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110448938 CN102412451B (en) 2011-12-29 2011-12-29 Self-locking wire end earthing clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110448938 CN102412451B (en) 2011-12-29 2011-12-29 Self-locking wire end earthing clamp

Publications (2)

Publication Number Publication Date
CN102412451A CN102412451A (en) 2012-04-11
CN102412451B true CN102412451B (en) 2013-08-28

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102610937B (en) * 2012-04-13 2014-02-26 山东电力集团公司枣庄供电公司 Adjustable earthing wire clip
CN103346417A (en) * 2013-06-28 2013-10-09 广西大学 Portable controllable clamping-type extra-high voltage discharging rod
CN104852327B (en) * 2015-05-14 2017-02-22 国家电网公司 Earthing device for laying bare conductor
CN105514637B (en) * 2016-01-27 2018-01-30 国网浙江宁波市鄞州区供电公司 One kind ground wire assembly
CN106058512B (en) * 2016-08-02 2018-06-15 广西大学 A kind of high-voltage grounding wire clamp takes off bar self-locking device
CN107689495B (en) * 2017-07-11 2024-06-21 广西电网有限责任公司电力科学研究院 Portable angle continuously adjustable ground wire clamp
CN110289507A (en) * 2019-07-31 2019-09-27 云南宇航泵业有限公司 Earthing clamp
CN112834961B (en) * 2021-01-07 2022-11-15 国网湖北省电力有限公司超高压公司 Auxiliary propelling equipment for cable detection
CN113746036B (en) * 2021-08-26 2024-04-16 广西电网有限责任公司河池供电局 Self-adaptive main and auxiliary line clamping device and integrated fire receiving device
CN114447642B (en) * 2022-02-10 2023-07-25 国网河南省电力公司南阳供电公司 Multi-axis linkage labor-saving type ground wire clamp with self-locking mechanism

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506777C2 (en) * 1995-11-09 1998-02-09 Ragnar Staalskog Ab Arrangement for connecting to earthing terminal/clamp
CN201536231U (en) * 2009-09-22 2010-07-28 山东电力集团公司威海供电公司 Variable angle wire earth potentiometer
CN201749966U (en) * 2009-08-20 2011-02-16 李军霞 Contact rail earthing cable
CN202084666U (en) * 2011-05-20 2011-12-21 冯修伦 Rotatable grounding wire hanging device
CN202474270U (en) * 2011-12-29 2012-10-03 广西电网公司电力科学研究院 Self-locking wire end ground clamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506777C2 (en) * 1995-11-09 1998-02-09 Ragnar Staalskog Ab Arrangement for connecting to earthing terminal/clamp
CN201749966U (en) * 2009-08-20 2011-02-16 李军霞 Contact rail earthing cable
CN201536231U (en) * 2009-09-22 2010-07-28 山东电力集团公司威海供电公司 Variable angle wire earth potentiometer
CN202084666U (en) * 2011-05-20 2011-12-21 冯修伦 Rotatable grounding wire hanging device
CN202474270U (en) * 2011-12-29 2012-10-03 广西电网公司电力科学研究院 Self-locking wire end ground clamp

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Granted publication date: 20130828

Termination date: 20131229