CN202905991U - Safe operation electric ground wire - Google Patents
Safe operation electric ground wire Download PDFInfo
- Publication number
- CN202905991U CN202905991U CN 201220535709 CN201220535709U CN202905991U CN 202905991 U CN202905991 U CN 202905991U CN 201220535709 CN201220535709 CN 201220535709 CN 201220535709 U CN201220535709 U CN 201220535709U CN 202905991 U CN202905991 U CN 202905991U
- Authority
- CN
- China
- Prior art keywords
- movable pressing
- pressing board
- pressing plate
- ratchet
- loop chain
- 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 - Lifetime
Links
Images
Abstract
A safe operation electric ground wire is used for realizing safety protection of operating personnel during the process of construction or maintenance of a power grid. The safe operation electric ground wire comprises a ground end clamping device, a wire end clamp, a loop chain clamping pin assembly and copper stranded wires; wherein the ground end clamping device consists of a fixed pressing plate, movable pressing plates, a locking unit and an adjusting bolt; the fixed pressing plate has a rectangular frame structure with an opened side, the movable pressing plates are arranged in the frame of the fixed pressing plate and comprise a movable pressing plate I, a movable pressing plate II, and a square tenon rivet penetrated therebetween, a cavity structure is provided between the movable pressing plate I and the movable pressing plate II, the locking unit is arranged in the cavity structure, the adjusting bolt and an upper frame of the fixed pressing plate are assembled in a screw-thread fit way, and a tail end of the adjusting bolt is connected with the square tenon rivet. The safe operation electric ground wire of the utility model effectively solves the problem that the ground wire is not operated according to requirements of regulations at a production working site of an electric power system, and eliminates potential safety hazards such as electric shock, falling from height and so on occurring on the operating personnel.
Description
Technical field
The utility model relates to a kind of electricity earthing cable, and 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, the operating sequence of removing earth connection is not limited measure, still exist unsafe factor.
The utility model content
The purpose of this utility model is the drawback for prior art, and a kind of simple in structure, practical, the comprehensive modular working personnel operation of energy safety operation electricity earthing cable sequentially is provided.
Problem described in the utility model realizes with following technical proposals:
A kind of safety operation 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 safety operation 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 safety operation 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 safety operation electricity earthing cable, described copper stranded conductor are connected between earth terminal jig and the conductor wire end clamp.
When the utility model 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 utility model 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 utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation under the utility model non operating state;
Fig. 2 is the structural representation under the utility model earth terminal jig non operating state;
Fig. 3 is A-A sectional structure chart among Fig. 2;
Fig. 4 is the structural representation of the utility model after the earth terminal jig is installed in the setting position;
Fig. 5 is the structural representation of the utility model earth terminal jig 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 utility model 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 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 utility model 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 utility model 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. safety operation 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 safety operation 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 safety operation 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 safety operation 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 |
|---|---|---|---|
| CN 201220535709 CN202905991U (en) | 2012-10-19 | 2012-10-19 | Safe operation electric ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220535709 CN202905991U (en) | 2012-10-19 | 2012-10-19 | Safe operation electric ground wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905991U true CN202905991U (en) | 2013-04-24 |
Family
ID=48126619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220535709 Expired - Lifetime CN202905991U (en) | 2012-10-19 | 2012-10-19 | Safe operation electric ground wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905991U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916315A (en) * | 2012-10-19 | 2013-02-06 | 沧州供电公司 | Incorrect-operation-prevented electric power grounding wire |
| CN107834231A (en) * | 2017-09-30 | 2018-03-23 | 国家电网公司 | Grounding wire device |
| CN111817034A (en) * | 2020-05-28 | 2020-10-23 | 国网浙江宁海县供电有限公司 | Temporary grounding device safe to use |
| CN111883954A (en) * | 2020-07-30 | 2020-11-03 | 国网北京市电力公司 | Error-locking prevention device for grounding wire of power transmission line |
-
2012
- 2012-10-19 CN CN 201220535709 patent/CN202905991U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916315A (en) * | 2012-10-19 | 2013-02-06 | 沧州供电公司 | Incorrect-operation-prevented electric power grounding wire |
| CN102916315B (en) * | 2012-10-19 | 2015-10-28 | 国家电网公司 | A kind of anti-misoperation electricity earthing cable |
| CN107834231A (en) * | 2017-09-30 | 2018-03-23 | 国家电网公司 | Grounding wire device |
| CN111817034A (en) * | 2020-05-28 | 2020-10-23 | 国网浙江宁海县供电有限公司 | Temporary grounding device safe to use |
| CN111883954A (en) * | 2020-07-30 | 2020-11-03 | 国网北京市电力公司 | Error-locking prevention device for grounding wire of power transmission line |
| CN111883954B (en) * | 2020-07-30 | 2021-10-22 | 国网北京市电力公司 | Error-locking prevention device for grounding wire of power transmission line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202905991U (en) | Safe operation electric ground wire | |
| CN201673736U (en) | Pin type insulator | |
| CN102904081A (en) | Grounding wire safety operation device in power construction | |
| CN201549607U (en) | Multi-angle earthing wire clip | |
| CN102610964B (en) | Safe type electric grounding wire | |
| CN102916315B (en) | A kind of anti-misoperation electricity earthing cable | |
| CN201515026U (en) | Vertical grounding wire clamp | |
| CN203300937U (en) | High-hitching ground wire operating lever | |
| CN102055079A (en) | Multi-purpose grounding terminal card for grounding wire | |
| CN102704828A (en) | Multifunctional hook ladder | |
| CN210404094U (en) | Anti-drop high-voltage power line grounding wire with alarm device | |
| CN102814012B (en) | A kind of transmission line pole tower ascent falling proof device | |
| CN204851874U (en) | Fix a position safe staple bolt | |
| CN102610343B (en) | Pluggable lightning arrester | |
| CN202550208U (en) | Safety power grounding wire | |
| CN205206727U (en) | Pedal climbing mechanism | |
| CN209183795U (en) | Multi-functional rapid-assembling/disassembling formula grounding wire connector combination tool | |
| CN202424088U (en) | Socket spanner special for charged installation of arrester in ground potential | |
| CN208478587U (en) | Ratchet-type work is connected wires with ground connection handle | |
| CN203644977U (en) | A novel ground wire apparatus | |
| CN202059099U (en) | Double-string tension insulator wire-tightening hook | |
| CN105396236A (en) | Anti-falling device for climbing | |
| CN201611742U (en) | Grounding terminal wiring card of all-purpose grounding wire | |
| CN203013967U (en) | Convertible-angle lead grounding device | |
| CN214672355U (en) | Prepackage type safe quick earthing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 STATE GRID HEBEI ELECTRIC POWER COMPANY Effective date: 20140728 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CANGZHOU POWER SUPPLY BRANCH COMPANY, STATE GRID HEBEI ELECTRIC POWER COMPANY Effective date: 20140728 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: CANGZHOU POWER SUPPLY BRANCH COMPANY, STATE GRID H Free format text: FORMER NAME: CANGZHOU POWER SUPPLY CO., LTD. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 061001 CANGZHOU, HEBEI PROVINCE TO: 100761 XICHENG, BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 061001 No. 21 West Yongji Road, Hebei, Cangzhou Patentee after: STATE GRID HEBEI ELECTRIC POWER COMPANY, CANGZHOU BRANCH Patentee after: State Grid Corporation of China Patentee after: STATE GRID HEBEI ELECTRIC POWER Co. Address before: 061001 No. 21 West Yongji Road, Hebei, Cangzhou Patentee before: Cangzhou Power Supply Co. Patentee before: State Grid Corporation of China Patentee before: Hebei Electric Power Corp. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140728 Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Patentee after: State Grid Corporation of China Patentee after: STATE GRID HEBEI ELECTRIC POWER COMPANY, CANGZHOU BRANCH Patentee after: STATE GRID HEBEI ELECTRIC POWER Co. Address before: 061001 No. 21 West Yongji Road, Hebei, Cangzhou Patentee before: STATE GRID HEBEI ELECTRIC POWER COMPANY, CANGZHOU BRANCH Patentee before: State Grid Corporation of China Patentee before: STATE GRID HEBEI ELECTRIC POWER Co. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20151028 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |