CN102916315A - Incorrect-operation-prevented electric power grounding wire - Google Patents
Incorrect-operation-prevented electric power grounding wire Download PDFInfo
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- CN102916315A CN102916315A CN2012103984499A CN201210398449A CN102916315A CN 102916315 A CN102916315 A CN 102916315A CN 2012103984499 A CN2012103984499 A CN 2012103984499A CN 201210398449 A CN201210398449 A CN 201210398449A CN 102916315 A CN102916315 A CN 102916315A
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- press plate
- pressing board
- movable pressing
- ratchet
- loop chain
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Abstract
The invention relates to an incorrect-operation-prevented electric power grounding wire, which is used for realizing the safety protection of an operator in a power grid construction process or an overhauling process. The incorrect-operation-prevented electric power grounding wire comprises a ground terminal fixture, a guide line terminal clip, a loop chain bayonet lock assembly and copper stranded wires, wherein the ground terminal fixture consists of a fixed press plate, a movable press plate, locking units and an adjusting bolt, the fixed press plate is of a rectangular frame structure, one side of the rectangular frame structure is opened, the movable press plate is located in the frame of the fixed press plate and comprises a movable press plate I, a movable press plate II and a square tenon rivet between the movable press plate I and the movable press plate II and penetrating the movable press plate I and the movable press plate II, a cavity structure is arranged between the movable press plate I and the movable press plate II, the locking units are distributed in the cavity structure, the adjusting bolt and the upper side frame of the fixed press plate are assembled in a threaded matching manner, and the terminal of the adjusting bolt is connected with the square tenon rivet. According to the incorrect-operation-prevented electric power grounding wire, the problem that the grounding wire used in a production operation field of the conventional electric power system is not operated according to regulations and requirements is solved, and the potential safety hazards that an operator is subjected to electric shock, falls from a high place, and the like are eliminated.
Description
Technical field
The present invention relates to a kind of electricity earthing cable, especially a kind of earth connection with compulsory execution electric power earthing safety operation rules function belongs to the basic electrical component technical field.
Background technology
Earth connection is the specific purpose tool that ensures operating personnel's personal safety in electrical network construction or the maintenance process, according to the requirement of electric power safety working regulation, mount earth connection and should connect first earth terminal, after connect conductor wire end; To remove first conductor wire end when removing earth connection, remove again earth terminal.At present the use at earth connection exists more potential safety hazard, because of the staff not according to operational procedure hang, the dismounting ground wire operation causes the event of personal injury to happen occasionally.For addressing the above problem, having the safety-type earth connection of executing electric power earthing safety operation rules function arises at the historic moment, but existing safety-type earth connection just gives peremptory norm to mounting the ground connection line order, to removing the unqualified measure of operating sequence of earth connection, still exist unsafe factor.
Summary of the invention
The object of the invention is to the drawback for prior art, a kind of simple in structure, practical, the comprehensive modular working personnel operation of energy anti-misoperation electricity earthing cable sequentially is provided.
Problem of the present invention realizes with following technical proposals:
A kind of anti-misoperation electricity earthing cable, it comprises the earth terminal jig, the conductor wire end clamp, loop chain retaining pin module and copper stranded conductor, described earth terminal jig is by fixation clip, movable pressing board, locking unit and adjusting bolt consist of, described fixation clip is the open rectangular frame structure of a side, described movable pressing board is arranged in the framework of fixation clip, it comprises the movable pressing board I, movable pressing board II and the square tenon rivet that runs through between the two, be provided with cavity structure between described movable pressing board I and the movable pressing board II, described locking unit is arranged in this cavity structure, described adjusting bolt and fixation clip upper side frame assemble with thread fiting mode, and the end of adjusting bolt is connected with square tenon rivet.
Above-mentioned anti-misoperation electricity earthing cable, described locking unit comprises ratchet, the ratchet plectrum, Compress Spring and lock pin, described ratchet and square tenon rivet are equipped, described ratchet plectrum is fixed on above the movable pressing board II by jointed shaft, ratchet and ratchet plectrum form one-way driving mechanism, one end of ratchet plectrum is provided with loop chain retaining pin module mating surface, the other end is provided with the Compress Spring mating surface, described Compress Spring horizontal arrangement is between movable pressing board I and movable pressing board II, described lock pin is the ladder bearing pin, its smaller diameter end is vertically passed the movable pressing board II, and it and loop chain retaining pin module mate.
Above-mentioned anti-misoperation electricity earthing cable, described conductor wire end clamp is the Duckbill type wire clamp, and at its side fixed installation loop chain retaining pin module, described loop chain retaining pin module comprises loop chain and bayonet lock, described bayonet lock is connected with loop chain by the front end collar, is provided with the draw-in groove that mates with locking unit at the bayonet lock afterbody.
Above-mentioned anti-misoperation electricity earthing cable, described copper stranded conductor are connected between earth terminal jig and the conductor wire end clamp.
When the present invention was in non operating state, in the cavity structure between the bayonet lock of loop chain retaining pin module insertion movable pressing board I and the movable pressing board II, the draw-in groove of bayonet lock afterbody was made the conductor wire end clamp link to each other with the earth terminal jig by lock pin larger diameter end locking; When needs articulate earth connection, the operating personnel must be installed in the setting position with the earth terminal jig first, make the lock pin that passes the movable pressing board II by jack-up, the draw-in groove of lock pin larger diameter end and bayonet lock breaks away from, removed the lockup state of bayonet lock, the Compress Spring of horizontal arrangement between movable pressing board I and movable pressing board II promotes plectrum and rotates around jointed shaft, the bayonet lock that links to each other with the conductor wire end clamp is removed, this moment, ratchet plectrum under the effect of Compress Spring elastic force cooperated with ratchet, form one-way driving mechanism, the earth terminal jig can only be tightened, and then carry out the installation of conductor wire end clamp; When removing earth connection, at first by action bars the conductor wire end clamp is removed, then bayonet lock is inserted in the cavity structure between movable pressing board I and the movable pressing board II, promoting the ratchet plectrum by the bayonet lock tail end rotates around jointed shaft, the lock pin larger diameter end cooperates with the draw-in groove of bayonet lock, with the bayonet lock locking, ratchet plectrum and ratchet are thrown off, remove the blocking of adjusting bolt, then driving movable pressing board by adjusting bolt moves, the earth terminal jig is removed, and conductor wire end clamp and earth terminal jig are coupled together reliably, the carrying of the earth connection of being more convenient for.The present invention is applicable to construction and the maintenance of 220kV and following electric pressure equipment, it is with the structure of uniqueness, standard operating personnel's operating sequence, effectively solved the on-the-spot problem of using earth connection to require operation according to rules of existing electric power system production operation, eliminated that the operating personnel occurs to get an electric shock and height such as falls at the potential safety hazard.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation under the non operating state of the present invention;
Fig. 2 is the structural representation under the earth terminal jig non operating state of the present invention;
Fig. 3 is A-A sectional structure chart among Fig. 2;
Fig. 4 is the structural representation of the present invention after the earth terminal jig is installed in the setting position;
Fig. 5 is the structural representation of earth terminal jig of the present invention under in working order;
Fig. 6 is B-B cross-section structure among Fig. 5.
Each label is among the figure: 1, earth terminal jig, 1-1, action bars, 1-2, adjusting bolt, 1-3, fixation clip, 1-4, movable pressing board I, 1-5, movable pressing board II, 1-6, ratchet, 1-7, ratchet plectrum, 1-8, lock pin, 1-9, Compress Spring, 1-10, jointed shaft, 1-11, square tenon rivet, 2, conductor wire end clamp, 3, loop chain and retaining pin module, 4, copper stranded conductor, 5, ground wire.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, the present invention includes earth terminal jig 1, conductor wire end clamp 2, loop chain retaining pin module 3 and copper stranded conductor 4, described earth terminal jig 1 is by fixation clip 1-3, movable pressing board, locking unit and adjusting bolt 1-2 consist of, described fixation clip 1-3 is the open rectangular frame structure of a side, described movable pressing board is arranged in the framework of fixation clip, it comprises movable pressing board I 1-4, movable pressing board II 1-5 and the square tenon rivet 1-11 that runs through between the two, be provided with cavity structure between described movable pressing board I 1-4 and the movable pressing board II 1-5, described locking unit is arranged in this cavity structure, described adjusting bolt 1-2 and fixation clip upper side frame assemble with thread fiting mode, and the end of adjusting bolt 1-2 is connected with square tenon rivet 1-11; Described locking unit comprises ratchet 1-6, ratchet plectrum 1-7, Compress Spring 1-9 and lock pin 1-8, described ratchet 1-6 and square tenon rivet 1-11 are equipped, described ratchet plectrum 1-7 is fixed on above the movable pressing board II 1-5 by jointed shaft 1-10, ratchet 1-6 and ratchet plectrum 1-7 form one-way driving mechanism, the end of ratchet plectrum 1-7 is provided with loop chain retaining pin module mating surface, the other end is provided with the Compress Spring mating surface, described Compress Spring 1-9 horizontal arrangement is between movable pressing board I 1-4 and movable pressing board II 1-5, described lock pin 1-8 is the ladder bearing pin, its smaller diameter end is vertically passed movable pressing board II 1-5, and it and loop chain retaining pin module mate.
Referring to Fig. 1, Fig. 4, Fig. 5, Fig. 6, conductor wire end clamp 2 of the present invention is the Duckbill type wire clamp, at its side fixed installation loop chain retaining pin module 3, described loop chain retaining pin module 3 comprises loop chain and bayonet lock 3-1, described bayonet lock 3-1 is connected with loop chain by the front end collar, is provided with the draw-in groove that mates with locking unit at bayonet lock 3-1 afterbody.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, the present invention is applicable to construction and the maintenance of 220kV and following electric pressure equipment, when it is in non operating state, among the bayonet lock 3-1 insertion movable pressing board I 1-4 and the cavity structure between the movable pressing board II 1-5 of loop chain retaining pin module 3, the draw-in groove of bayonet lock 3-1 afterbody is made conductor wire end clamp 2 link to each other with earth terminal jig 1 by lock pin 1-8 larger diameter end locking; When needs articulate earth connection, the operating personnel must be first with earth terminal jig 1 with after ground wire 5 in the setting position reliably is connected, pass the lock pin 1-8 of movable pressing board II 1-5 by jack-up, the draw-in groove of lock pin larger diameter end and bayonet lock breaks away from, removed the lockup state of bayonet lock 3-1, the Compress Spring 1-9 of horizontal arrangement between movable pressing board I 1-4 and movable pressing board II 1-5 promotes ratchet plectrum 1-7 and rotates around jointed shaft 1-10, the bayonet lock 3-1 that links to each other with conductor wire end clamp 2 is removed, this moment, ratchet plectrum 1-7 under the effect of Compress Spring 1-9 elastic force cooperated with ratchet 1-6, form one-way driving mechanism, earth terminal jig 1 can only be tightened, can not loosen, and then carry out the installation of conductor wire end clamp 2; When removing earth connection, at first by action bars conductor wire end clamp 2 is removed, then bayonet lock 3-1 is inserted in the cavity structure between movable pressing board I 1-4 and the movable pressing board II 1-5, promoting ratchet plectrum 1-7 by bayonet lock 3-1 tail end rotates around jointed shaft 1-10, the lock pin larger diameter end cooperates with the draw-in groove of bayonet lock, with bayonet lock 3-1 locking, ratchet plectrum 1-7 and ratchet 1-6 are thrown off, remove the blocking of adjusting bolt 1-2, then by rotating operation bar 1-1 movable pressing board is moved, earth terminal jig 1 is removed, and conductor wire end clamp 2 and earth terminal jig 1 are coupled together reliably, the carrying of the earth connection of being more convenient for.
Claims (4)
1. anti-misoperation electricity earthing cable, it is characterized in that, it comprises earth terminal jig (1), conductor wire end clamp (2), loop chain retaining pin module (3) and copper stranded conductor (4), described earth terminal jig (1) is by fixation clip (1-3), movable pressing board, locking unit and adjusting bolt (1-2) consist of, described fixation clip (1-3) is the open rectangular frame structure of a side, described movable pressing board is arranged in the framework of fixation clip, it comprises movable pressing board I (1-4), movable pressing board II (1-5) and run through between the two square tenon rivet (1-11), be provided with cavity structure between described movable pressing board I (1-4) and the movable pressing board II (1-5), described locking unit is arranged in this cavity structure, described adjusting bolt (1-2) is assembled with thread fiting mode with the fixation clip upper side frame, and the end of adjusting bolt (1-2) is connected with square tenon rivet (1-11).
2. a kind of anti-misoperation electricity earthing cable according to claim 1, it is characterized in that, described locking unit comprises ratchet (1-6), ratchet plectrum (1-7), Compress Spring (1-9) and lock pin (1-8), described ratchet (1-6) is equipped with square tenon rivet (1-11), described ratchet plectrum (1-7) is fixed on above the movable pressing board II (1-5) by jointed shaft (1-10), ratchet (1-6) forms one-way driving mechanism with ratchet plectrum (1-7), one end of ratchet plectrum (1-7) is provided with loop chain retaining pin module mating surface, the other end is provided with the Compress Spring mating surface, described Compress Spring (1-9) horizontal arrangement is between movable pressing board I (1-4) and movable pressing board II (1-5), described lock pin (1-8) is the ladder bearing pin, its smaller diameter end is vertically passed movable pressing board II (1-5), and it and loop chain retaining pin module mate.
3. a kind of anti-misoperation electricity earthing cable according to claim 2, it is characterized in that, described conductor wire end clamp (2) is the Duckbill type wire clamp, at its side fixed installation loop chain retaining pin module (3), described loop chain retaining pin module (3) comprises loop chain and bayonet lock (3-1), described bayonet lock (3-1) is connected with loop chain by the front end collar, is provided with the draw-in groove that mates with locking unit at bayonet lock (3-1) afterbody.
4. a kind of anti-misoperation electricity earthing cable according to claim 3 is characterized in that, described copper stranded conductor (4) is connected between earth terminal jig (1) and the conductor wire end clamp (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210398449.9A CN102916315B (en) | 2012-10-19 | 2012-10-19 | A kind of anti-misoperation electricity earthing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210398449.9A CN102916315B (en) | 2012-10-19 | 2012-10-19 | A kind of anti-misoperation electricity earthing cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102916315A true CN102916315A (en) | 2013-02-06 |
| CN102916315B CN102916315B (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210398449.9A Expired - Fee Related CN102916315B (en) | 2012-10-19 | 2012-10-19 | A kind of anti-misoperation electricity earthing cable |
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| Country | Link |
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| CN (1) | CN102916315B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441348A (en) * | 2013-08-28 | 2013-12-11 | 国家电网公司 | Ground wire connector |
| CN104868319A (en) * | 2015-05-07 | 2015-08-26 | 杨瑞亮 | Safe grounding wire |
| CN109672032A (en) * | 2018-12-10 | 2019-04-23 | 国网辽宁省电力有限公司锦州供电公司 | Ground line with anti-incorrect manipulation deadlock function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040229499A1 (en) * | 2003-05-16 | 2004-11-18 | Associated Equipment Corporation | Portable power supply |
| CN201985380U (en) * | 2011-04-18 | 2011-09-21 | 衡水供电公司 | Safe earth wire |
| CN202352853U (en) * | 2011-11-21 | 2012-07-25 | 黄石供电公司变电运行中心 | Spiral high-voltage ground rod wire clamp |
| CN102610964A (en) * | 2012-03-29 | 2012-07-25 | 沧州供电公司 | Safe type electric grounding wire |
| CN202905991U (en) * | 2012-10-19 | 2013-04-24 | 沧州供电公司 | Safe operation electric ground wire |
-
2012
- 2012-10-19 CN CN201210398449.9A patent/CN102916315B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040229499A1 (en) * | 2003-05-16 | 2004-11-18 | Associated Equipment Corporation | Portable power supply |
| CN201985380U (en) * | 2011-04-18 | 2011-09-21 | 衡水供电公司 | Safe earth wire |
| CN202352853U (en) * | 2011-11-21 | 2012-07-25 | 黄石供电公司变电运行中心 | Spiral high-voltage ground rod wire clamp |
| CN102610964A (en) * | 2012-03-29 | 2012-07-25 | 沧州供电公司 | Safe type electric grounding wire |
| CN202905991U (en) * | 2012-10-19 | 2013-04-24 | 沧州供电公司 | Safe operation electric ground wire |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441348A (en) * | 2013-08-28 | 2013-12-11 | 国家电网公司 | Ground wire connector |
| CN103441348B (en) * | 2013-08-28 | 2015-07-01 | 国家电网公司 | Ground wire connector |
| CN104868319A (en) * | 2015-05-07 | 2015-08-26 | 杨瑞亮 | Safe grounding wire |
| CN104868319B (en) * | 2015-05-07 | 2016-12-14 | 重庆迎瑞升压铸有限公司 | A kind of protective earth |
| CN109672032A (en) * | 2018-12-10 | 2019-04-23 | 国网辽宁省电力有限公司锦州供电公司 | Ground line with anti-incorrect manipulation deadlock function |
| CN109672032B (en) * | 2018-12-10 | 2020-06-05 | 国网辽宁省电力有限公司锦州供电公司 | Grounding wire with anti-misoperation locking function |
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| Publication number | Publication date |
|---|---|
| CN102916315B (en) | 2015-10-28 |
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| ASS | Succession or assignment of patent right |
Owner name: CANGZHOU POWER SUPPLY BRANCH COMPANY, STATE GRID H Free format text: FORMER OWNER: STATE GRID CORPORATION OF CHINA HEBEI ELECTRIC POWER CORPORATION Effective date: 20140326 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CANGZHOU POWER SUPPLY CO., LTD. Effective date: 20140326 |
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Free format text: CORRECT: ADDRESS; FROM: 061001 CANGZHOU, HEBEI PROVINCE TO: 100031 XICHENG, BEIJING |
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Effective date of registration: 20140326 Address after: 100031 No. 86 West The Strip, Beijing Applicant after: State Grid Corporation of China Applicant after: STATE GRID HEBEI ELECTRIC POWER COMPANY, CANGZHOU BRANCH Applicant after: STATE GRID HEBEI ELECTRIC POWER Co. Address before: 061001 No. 21 West Yongji Road, Hebei, Cangzhou Applicant before: Cangzhou Power Supply Co. Applicant before: State Grid Corporation of China Applicant before: Hebei Electric Power Corp. |
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Granted publication date: 20151028 Termination date: 20211019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |