CN204966931U - Supplementary instrument of installing of earth connection - Google Patents
Supplementary instrument of installing of earth connection Download PDFInfo
- Publication number
- CN204966931U CN204966931U CN201520763700.6U CN201520763700U CN204966931U CN 204966931 U CN204966931 U CN 204966931U CN 201520763700 U CN201520763700 U CN 201520763700U CN 204966931 U CN204966931 U CN 204966931U
- Authority
- CN
- China
- Prior art keywords
- action bars
- earth connection
- threaded rod
- earthing clamp
- earth
- 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
Links
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model discloses a supplementary instrument of installing of earth connection, including earth clamp and action bars, the earth clamp lower extreme is provided with the threaded rod, and the action bars is hollow structure, and the internal thread with threaded rod matched with has been seted up to action bars upper end end, and the earth clamp passes through the cooperation of threaded rod AND operation pole internal screw thread and assembles on the action bars top, the threaded rod bottom is provided with the counterpoint pole of back taper, this supplementary instrument of installing of earth connection installs and removes 220kV and 110kV earth connection in -process fortune dimension personnel, utilizes the helicitic texture, has solved the problem that is difficult to break away from and be difficult to the counterpoint between earth connection action bars and the earth clamp.
Description
Technical field
The utility model relates to a kind of power industry for power transformation instrument, is specifically applied to the auxiliary instrument installing and removing a kind of earth connection of 220kV and 110kV earth connection work in enterprise's electric power overhauls such as generating, power transformation.
Background technology
Along with the continuous expansion of electrical network scale, the operation maintenance task of electrical network also increases year by year.When overhaul of the equipments, for ensureing the safety of staff, can start working after earth connection must being installed on interruption maintenance equipment.At present, operation maintenance personnel mounting or dismounting 220kV, 110kV earth connection need use earth connection attaching tool.Earth connection attaching tool is made up of ground wire operating lever and the earthing clamp being arranged on ground wire operating lever top.The form that existing ground wire operating lever and the syndeton between earthing clamp adopt steady pin to coordinate with inverted T shape slotted eye, after earth connection is installed by earthing clamp, ground wire operating lever cannot take off from earthing clamp by (after earth connection is installed) fast, even can affect the fastness of earth connection installing.In the process of removing earthing clamp, because earthing wire clip position is higher, very little again with the joint of action bars, operation maintenance personnel cannot rapidly and accurately by action bars and earthing clamp contraposition, and dismounting efficiency is low.In addition, current earth connection attaching tool does not possess prompt functions, if misoperation occurs operating personnel, is located at by grounding wire mounting on charging equipment, can causes live connection of ground wire accident, there is potential safety hazard.
Utility model content
The purpose of this utility model is the auxiliary instrument providing a kind of earth connection, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of auxiliary instrument of earth connection, comprise earthing clamp and action bars, described earthing clamp lower end is provided with threaded rod, action bars is hollow structure, termination, action bars upper end offers the internal thread matched with threaded rod, earthing clamp is assemblied in action bars top by threaded rod with coordinating of action bars internal thread, and described threaded rod bottom is provided with the contraposition bar of back taper.
As further program of the utility model: described action bars upper end is provided with alarm for nearing electrisity.
As the utility model further scheme: the more piece action bars monomer that described action bars is connected by threaded engagement forms, and the rotation direction of screw thread between action bars monomer is contrary with the thread rotary orientation of threaded rod.
As the utility model further scheme: the three joint action bars monomers that described action bars is connected by threaded engagement form.
Compared with prior art, the beneficial effects of the utility model are: 1, the auxiliary instrument of this earth connection is in operation maintenance personnel mounting or dismounting 220kV and 110kV earth connection process, utilize helicitic texture, solve the problem being difficult between ground wire operating lever and earthing clamp depart from; 2, the auxiliary instrument of this earth connection utilizes back taper contraposition bar, solves the problem being difficult to contraposition between ground wire operating lever and earthing clamp, greatly reduces the operating time, improve operating efficiency, alleviates the labour intensity of operation maintenance personnel.In installing earth connection process, carry out electrical verification simultaneously, the charged attaching ground wire by mistake of operation maintenance personnel can be prevented, avoid the person and power grid accident to occur.
Accompanying drawing explanation
Fig. 1 is the structural representation of the auxiliary instrument of earth connection.
Fig. 2 is the structural representation of earthing clamp in the auxiliary instrument of earth connection.
In figure: 1-earthing clamp, 2-action bars, 3-alarm for nearing electrisity, 4-threaded rod, 5-contraposition bar.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of auxiliary instrument of earth connection, comprises earthing clamp 1 and action bars 2, described earthing clamp 1 lower end is provided with threaded rod 4, action bars 2 is hollow structure, termination, action bars 2 upper end offers the internal thread matched with threaded rod 4, earthing clamp 1 is assemblied in action bars 2 top by threaded rod 4 with coordinating of action bars 2 internal thread, described threaded rod 4 bottom is provided with the contraposition bar 5 of back taper, and contraposition bar 5 can make more easily to realize contraposition between threaded rod 4 and action bars 2, described action bars 2 upper end is provided with alarm for nearing electrisity 3, and alarm for nearing electrisity 3 is meeting automatic alarm when near charged object, and the concrete structure of alarm for nearing electrisity 3 is prior art, does not repeat them here, the more piece action bars monomer that described action bars 2 is connected by threaded engagement forms, and the rotation direction of screw thread between action bars monomer is contrary with the thread rotary orientation of threaded rod 4, preferably, the three joint action bars monomers that described action bars 2 is connected by threaded engagement form, the more piece action bars monomer connected by threaded engagement due to action bars 2 forms, therefore after finishing using, action bars 2 can be disassembled as more piece action bars monomer, greatly strengthen the portability of action bars, in addition, the rotation direction of the screw thread between action bars monomer is contrary with the thread rotary orientation of threaded rod 4, when needing action bars 2 to take off after earthing clamp 1 installs, threadingly the direction that unscrews of bar 4 turns action bars 2, in the process, screw thread between action bars monomer can be more stubborn tighter, mutually depart between action bars monomer when avoiding removal operation bar 2 from earthing clamp 1.
Operation principle of the present utility model is: the auxiliary instrument of described earth connection, and before installing earth connection, first carry out self-inspection to alarm for nearing electrisity 3, press the button, alarm sends sound and light alarm signal, unclamps rear alarm signal and disappears.During installing earth connection, first three joint action bars monomers are tightened by helicitic texture, be assembled into action bars 2, then by the top of the threaded rod 4 update bar 2 of earthing clamp 1, oppositely turn the action bars monomer on action bars 2 top, by threaded engagement, earthing clamp 1 is fixed on action bars 2.Hold action bars 2 high, earthing clamp 1 is installed on wire.After earthing clamp 1 installs, forward turns action bars 2, because the rotation direction of the screw thread between three joint action bars monomers is contrary with the thread rotary orientation of threaded rod 4, so more stubborn tighter, and it is more stubborn more loose between a joint action bars monomer and earthing clamp 1 topmost, after action bars 2 and earthing clamp 1 depart from, action bars 2 is taken down.When removing earthing clamp 1, hold action bars 2 high, realize rapid-aligning between action bars 2 and earthing clamp 1 by back taper contraposition bar 5, then rotate backward action bars 2 half-turn, upwards push away gently and earthing clamp 1 can be removed from wire.
The auxiliary instrument of described earth connection, in operation maintenance personnel mounting or dismounting 220kV and 110kV earth connection process, utilizes helicitic texture, solves the problem being difficult between ground wire operating lever and earthing clamp depart from; The auxiliary instrument of described earth connection utilizes back taper contraposition bar, solves the problem being difficult to contraposition between ground wire operating lever and earthing clamp, greatly reduces the operating time, improve operating efficiency, alleviate the labour intensity of operation maintenance personnel.In installing earth connection process, carry out electrical verification simultaneously, the charged attaching ground wire by mistake of operation maintenance personnel can be prevented, avoid the person and power grid accident to occur.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (4)
1. the auxiliary instrument of an earth connection, comprise earthing clamp (1) and action bars (2), it is characterized in that, described earthing clamp (1) lower end is provided with threaded rod (4), action bars (2) is hollow structure, action bars (2) termination, upper end offers the internal thread matched with threaded rod (4), earthing clamp (1) is assemblied in action bars (2) top by threaded rod (4) with coordinating of action bars (2) internal thread, and described threaded rod (4) bottom is provided with the contraposition bar (5) of back taper.
2. the auxiliary instrument of earth connection according to claim 1, is characterized in that, described action bars (2) upper end is provided with alarm for nearing electrisity (3).
3. the auxiliary instrument of earth connection according to claim 1 and 2, it is characterized in that, the more piece action bars monomer that described action bars (2) is connected by threaded engagement forms, and the rotation direction of screw thread between action bars monomer is contrary with the thread rotary orientation of threaded rod (4).
4. the auxiliary instrument of earth connection according to claim 3, is characterized in that, the three joint action bars monomers that described action bars (2) is connected by threaded engagement form.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520763700.6U CN204966931U (en) | 2015-09-30 | 2015-09-30 | Supplementary instrument of installing of earth connection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520763700.6U CN204966931U (en) | 2015-09-30 | 2015-09-30 | Supplementary instrument of installing of earth connection |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204966931U true CN204966931U (en) | 2016-01-13 |
Family
ID=55061972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520763700.6U Expired - Fee Related CN204966931U (en) | 2015-09-30 | 2015-09-30 | Supplementary instrument of installing of earth connection |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204966931U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114006339A (en) * | 2021-10-29 | 2022-02-01 | 国网新疆电力有限公司阿勒泰供电公司 | Portable transmission cable fixing device |
-
2015
- 2015-09-30 CN CN201520763700.6U patent/CN204966931U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114006339A (en) * | 2021-10-29 | 2022-02-01 | 国网新疆电力有限公司阿勒泰供电公司 | Portable transmission cable fixing device |
CN114006339B (en) * | 2021-10-29 | 2023-09-15 | 国网新疆电力有限公司阿勒泰供电公司 | Portable power transmission cable fixing device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104201489B (en) | A kind of novel electric power circuit anti-fall grounding wire line clamping device | |
CN202513046U (en) | Portable insulation operating rod used for power cut and supply of device in ring main unit | |
CN204424811U (en) | Cable drawing head | |
CN204538261U (en) | A kind of power grounding pile | |
CN202839331U (en) | 10kV multifunctional insulated operating rod | |
CN203522038U (en) | Tool for adding split pin on power transmission line in electrified manner | |
CN204966931U (en) | Supplementary instrument of installing of earth connection | |
CN204304021U (en) | A kind of Novel high-level bus bridge Special grounding wire clip | |
CN202712719U (en) | Electricity testing and switching operation integration device | |
CN202572183U (en) | Large-current telescopic high-altitude cable connecting clamp | |
CN204597013U (en) | A kind of earth connection with warning light connects electricity folder | |
CN204788067U (en) | Fireworks electric igniter's mechanism that plugs into | |
CN203289003U (en) | Multifunctional insulating operating lever of transformer station | |
CN203596419U (en) | Multi-angle one-piece grounding rod | |
CN210380167U (en) | Push-pull mechanism for bus duct jack box | |
CN204793264U (en) | Short circuit grounding | |
CN203589245U (en) | High-altitude wiring clamp | |
CN203881840U (en) | 10kV and 35kV dual-voltage-grade electroscope | |
CN203895279U (en) | Line connector rod | |
CN102683915A (en) | Quick joint for high-tension cables | |
CN203645007U (en) | Grounding device dedicated to switch cabinet bus | |
CN205509174U (en) | Copper terminal that outdoor cable bypass operation was used | |
CN204144779U (en) | Insulation board | |
CN203398635U (en) | Bracing frame for replacing vibration damper | |
CN204760902U (en) | Wire anchor installation specialized tool |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160930 |
|
CF01 | Termination of patent right due to non-payment of annual fee |