CN202308368U - Portable automatic wire clamp of short circuit grounding wire - Google Patents
Portable automatic wire clamp of short circuit grounding wire Download PDFInfo
- Publication number
- CN202308368U CN202308368U CN2011204328873U CN201120432887U CN202308368U CN 202308368 U CN202308368 U CN 202308368U CN 2011204328873 U CN2011204328873 U CN 2011204328873U CN 201120432887 U CN201120432887 U CN 201120432887U CN 202308368 U CN202308368 U CN 202308368U
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- China
- Prior art keywords
- wire clamp
- wire
- moving
- folder
- circuit grounding
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Abstract
The utility model discloses a portable automatic wire clamp of a short circuit grounding wire. The portable automatic wire clamp of the short circuit grounding wire can be operated conveniently and has a wide application range. The portable automatic wire clamp of the short circuit grounding wire includes an operation rod, a static support, a connection shaft, a transmission rack connected to the front end of the connection shaft, a pawl capable of engaging with tips on the outer surface of connection shaft, a pawl spring arranged between the static support and the pawl, and a moving wire clamp connected to the static support. A side of the front part of the static support is provided with a static wire clamp. An inner cavity of the static support is also provided with an over-bright gear connecting with the transmission rack in an engaging manner. The moving wire clamp includes a V-shaped part corresponding to a fixed wire clamp and an installation part installed on the static support flexibly. The outer end face of the installation part is provided with a rack engaged with the over-bridge gear. The front end of the operation rod connects with the connection shaft through a limit cam. A bead is arranged on the inner cavity face of the rear part of the static support, thereby preventing the limit cam from rotating continuously when a high face of the limit cam rotates to the position of the bead. A return spring is connected between the fixed wire clamp and the static wire clamp.
Description
Technical field
The utility model relates to a kind of maintenance of power circuit and uses instrument, is specifically related to a kind of automatic wire clamp of portable type short-circuit grounding wire.
Background technology
Power circuit or equipment overhaul with maintenance process in, need artificially will belong to the conductor wire at position or equipment has a power failure and short circuit ground connection reliably, thereby protect the operating personnel's that on equipment, overhaul safety.Usually adopt one simply and efficiently method be that the earth connection wire clamp that is connected with earth connection is clamped on conductor wire or the equipment, force conductor wire to pass through earth connection and big ground short circuit.Existing earth connection wire clamp is and spiral two kinds of structures that screw thread tightened or unclamped to spiral earthing clamp need at operating room, makes inconvenient operation by spring mainly.Though the spring earthing clamp is easy to operate, existing structure does not have retaining mechanism and clamping force less than normal, and conductor wire is come off.In the patent No. is to disclose a kind of " automatic wire clamp of portable type short-circuit grounding wire " in 200620168820.2 to comprise the alignment folder; The moving-wire folder; Hook stick; Be movably located on the tooth bar that alignment presss from both sides the gears engaged that goes up and press from both sides with moving-wire; Be fixed on the connecting axle of hook stick front end; The screw that connects tooth bar and connecting axle; Be installed in the alignment folder and the ratchet that can mesh with the tip surface on the connecting axle; Be installed in the ratchet spring that is used to open ratchet on the alignment folder; Be installed in the rotary spacing pin and the rotary spacing spring that are used for control connection axle rotational angle on the connecting axle; Be installed in the drawing spacer pin and the drawing limit spring that are used to protect the profile of tooth between connecting axle and the ratchet on the alignment folder.The disclosed automatic wire clamp of this patent have articulate conveniently, locking lead difficult drop-off, advantage such as damage wires not when unclamping wire clamp.But the tooth bar in this automatic wire clamp directly with moving support on the arc gear wheel engagement; The moving-wire folder is rotated to the alignment folder through the drive of tooth bar; Thereby lead is clamped; Only adapt to outline for circular lead articulates, can not adapt to outline and be the busbar of other geometry or articulating of electric equipment, so the scope of application is restricted.In addition, this automatic wire clamp draws the position through rising of drawing spacer pin control operation rod again through the rotational angle of rotary spacing pin control operation rod.This mechanism is more complicated also, and rotary spacing pin and drawing spacer pin installation portion convenience.
Summary of the invention
The purpose of the utility model is in order to overcome the deficiency of prior art, a kind of automatic wire clamp of portable type short-circuit grounding wire to be provided, and it has simple in structure, applied widely, safe and reliable, articulates advantages such as convenience, long service life.
The technical scheme that realizes above-mentioned purpose is: a kind of automatic wire clamp of portable type short-circuit grounding wire; The quiet support that comprises hook stick, is connected, the connecting axle that is connected the hook stick front end with hook stick, place on the quiet support and through attachment screw be connected the connecting axle front end driving rack, be installed on the quiet support and can and the ratchet of the tip surface engagement that has of the outer surface of connecting axle, be located at ratchet spring between quiet support and the ratchet, be installed in ground connection fixture block on the quiet rack outer surface, be connected the earth connection on the ground connection fixture block and be connected the moving-wire folder on the quiet support; Front portion one side of said quiet support has the alignment folder; Wherein, the inner chamber of said quiet support also is provided with the carrier gear that is connected with a joggle with said driving rack; Said moving-wire folder comprises that one is installed in the installation portion on the said quiet support movably with the corresponding tiger portion and of said alignment folder, has the tooth bar that meshes with said carrier gear on the outer face of this installation portion; The front end of said hook stick is connected with said connecting axle through a limit cam; The rear portion inner cavity surface of said quiet support is provided with a fin, so that the high face of said limit cam stops when forwarding the fin position to limit cam to be rotated further; Connect a back-moving spring between said alignment folder and the said moving-wire folder.
The automatic wire clamp of above-mentioned portable type short-circuit grounding wire wherein, is with a back-moving spring on the said attachment screw.
The automatic wire clamp of above-mentioned portable type short-circuit grounding wire, it is stated, and said back-moving spring is a torsion spring.
The automatic wire clamp of above-mentioned portable type short-circuit grounding wire, wherein, the rear portion of said hook stick connects one handle.
The technical scheme of the automatic wire clamp of the portable type short-circuit grounding wire of the utility model; Through increasing a carrier gear; The rectilinear motion that makes driving rack makes the moving-wire folder also produce straight line through carrier gear and moves; The short circuit ground connection of appropriate cable lead not only, but also adapt to bus and the short circuit ground connection of other power equipment in the electric power system makes the range of application of automatic wire clamp of the utility model wider.In addition, the structure of the automatic wire clamp of the utility model is also simple than prior art constructions, makes that to articulate operation easier, difficult drop-off during the locking lead, and damage wires not when unclamping wire clamp makes security reliability stronger.
Description of drawings
Fig. 1 is the structural representation (open configuration) of automatic wire clamp of the portable type short-circuit grounding wire of the utility model;
Fig. 2 is the structural representation (locking state) of automatic wire clamp of the portable type short-circuit grounding wire of the utility model;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the end view of Fig. 1.
Embodiment
Below through concrete embodiment and combine accompanying drawing that the utility model is at length explained:
See also Fig. 1 to Fig. 4; The automatic wire clamp of a kind of portable type short-circuit grounding wire of the utility model comprises hook stick 1, quiet support 2, axle sleeve 3, driving rack 4, connecting axle 5, limit cam 6, attachment screw 7, back-moving spring 70, ratchet 8, ratchet spring 80, carrier gear 9, moving-wire folder 10, back-moving spring 11, ground connection fixture block 12 and earth connection 13.Wherein:
The handle 14 that rear portion suit one insulating material of hook stick 1 is made;
Connecting axle 5 is connected the front end of hook stick 1 through limit cam 6, offers a screwed hole on the front end face of this connecting axle 5; Have a tip surface 50 on the outer surface of this connecting axle 5;
The spiral shell head of attachment screw 7 is arranged in the cavity of driving rack 4, and the cavity rear end face that the afterbody of this attachment screw 7 passes driving rack 4 screws in the screwed hole of connecting axle 4;
Back-moving spring 70 is enclosed between the cavity rear end face of spiral shell head and driving rack 4 of attachment screw 7;
Ratchet spring 80 places in the gathering sill of quiet support 2 and withstands on the back side of the toothed surface of ratchet 8;
Moving-wire folder 10 comprises tiger portion and an installation portion corresponding with alignment folder 20, and moving-wire presss from both sides 10 tiger portion and alignment and presss from both sides 20 and be used for clamping wire; Have the tooth bar and the guide rail that mesh with carrier gear 9 on the outer face of installation portion, guide rail can be inlaid in the gathering sill 21 of quiet support 2 movably, and tooth bar and carrier gear 9 are connected with a joggle;
Back-moving spring 11 is a torsion spring, and it is fixed between alignment folder 20 and the moving-wire folder 10;
Ground connection fixture block 12 is positioned on the outer surface of quiet support 2, is used to connect earth connection 13.
When the automatic wire clamp with the portable type short-circuit grounding wire of the utility model articulates lead, bus or other electric equipment; Just earth connection 13 penetrates in the ground connection fixture block 12 and is screwed earlier, then the front end of hook stick 1 towards quiet support 2 is advanced, and makes driving rack 4 shift the end onto; Moving-wire folder 10 and alignment folder were opened in 20 minutes; Hold at handle 14 positions of hook stick 1 again alignment folder 20 is hung on the lead 30, pulling operation rod 1 and drive driving racks 4 through connecting axle 5 and move down together rotates the carrier gear 9 that is engaged on all the time on the driving rack 4 then; The tooth bar that drives again simultaneously on the moving-wire folder 10 that is engaged on all the time on the carrier gear 9 moves up; And then the tiger portion of moving-wire folder 10 is drawn close and clamping wire 30 to alignment folder 20, again with hook stick 1 to being rotated counterclockwise, connecting axle 5 and limit cam 6 are with hook stick 1 rotation; Stopped that hook stick 1 is rotated further run into the side of fin 22 of quiet support 2 when the high face of limit cam 6 after; Tooth bar on ratchet 8 and the connecting axle 5 50 engagements at this moment, and pinned moving of hook stick 1, accomplished articulating ground connection.In the time will unloading automatic wire clamp; Earlier hook stick 1 is clockwise rotated, stopped that hook stick 1 is rotated further after making the high face of limit cam 6 run into the another side of fin 22 of quiet support 2, ratchet 8 and the tooth bar 50 on the connecting axle 5 are thrown off and no longer engagement; At this moment; Effect through back-moving spring 11 moves downward moving-wire folder 10 and has left alignment folder 20, has unclamped lead 30, and the rotation through carrier gear 9 drives driving rack 4 and moves upward with hook stick 1 again; At last, directly take off automatic wire clamp.
The characteristics of the automatic wire clamp of the portable type short-circuit grounding wire of the utility model are: increased a carrier gear 9; The rectilinear motion that makes driving rack 4 makes moving-wire folder 10 also produce straight line through carrier gear 9 and moves; The short circuit ground connection of appropriate cable lead not only; But also the short circuit ground connection of the bus in the adaptation electric power system and other power equipment makes the range of application of automatic wire clamp of the utility model wider.In addition, the structure of the automatic wire clamp of the utility model is also simple than prior art constructions, makes that to articulate operation easier, difficult drop-off during the locking lead, and damage wires not when unclamping wire clamp makes security reliability stronger.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model; As long as in the connotation scope of the utility model, all will drop in claims scope of the utility model variation, the modification of the above embodiment.
Claims (4)
1. the automatic wire clamp of a portable type short-circuit grounding wire; Comprise hook stick; The quiet support that is connected with hook stick; Be connected the connecting axle of hook stick front end; Place the driving rack that is connected the connecting axle front end on the quiet support and through attachment screw; The ratchet of the tip surface engagement that is installed on the quiet support and can has with the outer surface of connecting axle; Be located at the ratchet spring between quiet support and the ratchet; Be installed in the ground connection fixture block on the quiet rack outer surface; Be connected the earth connection on the ground connection fixture block and be connected the moving-wire folder on the quiet support; Front portion one side of said quiet support has the alignment folder; It is characterized in that
The inner chamber of said quiet support also is provided with the carrier gear that is connected with a joggle with said driving rack;
Said moving-wire folder comprises that one is installed in the installation portion on the said quiet support movably with the corresponding tiger portion and of said alignment folder, has the tooth bar that meshes with said carrier gear on the outer face of this installation portion;
The front end of said hook stick is connected with said connecting axle through a limit cam;
The rear portion inner cavity surface of said quiet support is provided with a fin, so that the high face of said limit cam stops when forwarding the fin position to limit cam to be rotated further;
Connect a back-moving spring between said alignment folder and the said moving-wire folder.
2. the automatic wire clamp of portable type short-circuit grounding wire according to claim 1 is characterized in that, is with a back-moving spring on the said attachment screw.
3. the automatic wire clamp of portable type short-circuit grounding wire according to claim 1 is characterized in that, said back-moving spring is a torsion spring.
4. the automatic wire clamp of portable type short-circuit grounding wire according to claim 1 is characterized in that, the rear portion of said hook stick connects one handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204328873U CN202308368U (en) | 2011-11-04 | 2011-11-04 | Portable automatic wire clamp of short circuit grounding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204328873U CN202308368U (en) | 2011-11-04 | 2011-11-04 | Portable automatic wire clamp of short circuit grounding wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202308368U true CN202308368U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204328873U Expired - Fee Related CN202308368U (en) | 2011-11-04 | 2011-11-04 | Portable automatic wire clamp of short circuit grounding wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202308368U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509911A (en) * | 2011-11-04 | 2012-06-20 | 上海市电力公司 | Automatic wire clamp for portable short-circuit ground wire |
| CN104600536A (en) * | 2015-01-22 | 2015-05-06 | 国家电网公司 | Automatic clamping method of high voltage grounding wire |
| CN106299737A (en) * | 2015-05-13 | 2017-01-04 | 国网辽宁省电力有限公司丹东供电公司 | Iron tower of power transmission line single-phase earthing device |
| CN107561661A (en) * | 2017-10-16 | 2018-01-09 | 平步青 | A kind of safe and reliable and optical fiber distributing cartridge device with dedusting function |
| CN109599688A (en) * | 2018-11-19 | 2019-04-09 | 国网辽宁省电力有限公司葫芦岛供电公司 | Locking-type is grounded collet |
| CN110289504A (en) * | 2019-06-25 | 2019-09-27 | 国家电网有限公司 | Earthing clamp and its application method |
| CN111416295A (en) * | 2020-03-28 | 2020-07-14 | 国网湖北省电力有限公司宜昌供电公司 | Method for rapidly taking power for distribution network line |
-
2011
- 2011-11-04 CN CN2011204328873U patent/CN202308368U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509911A (en) * | 2011-11-04 | 2012-06-20 | 上海市电力公司 | Automatic wire clamp for portable short-circuit ground wire |
| CN104600536A (en) * | 2015-01-22 | 2015-05-06 | 国家电网公司 | Automatic clamping method of high voltage grounding wire |
| CN106299737A (en) * | 2015-05-13 | 2017-01-04 | 国网辽宁省电力有限公司丹东供电公司 | Iron tower of power transmission line single-phase earthing device |
| CN106299737B (en) * | 2015-05-13 | 2018-11-23 | 国网辽宁省电力有限公司丹东供电公司 | Iron tower of power transmission line single-phase earthing device |
| CN107561661A (en) * | 2017-10-16 | 2018-01-09 | 平步青 | A kind of safe and reliable and optical fiber distributing cartridge device with dedusting function |
| CN109599688A (en) * | 2018-11-19 | 2019-04-09 | 国网辽宁省电力有限公司葫芦岛供电公司 | Locking-type is grounded collet |
| CN109599688B (en) * | 2018-11-19 | 2020-08-28 | 国网辽宁省电力有限公司葫芦岛供电公司 | Clamping lock type ground wire clamping head |
| CN110289504A (en) * | 2019-06-25 | 2019-09-27 | 国家电网有限公司 | Earthing clamp and its application method |
| CN110289504B (en) * | 2019-06-25 | 2020-08-04 | 国家电网有限公司 | Grounding wire clamp and using method thereof |
| CN111416295A (en) * | 2020-03-28 | 2020-07-14 | 国网湖北省电力有限公司宜昌供电公司 | Method for rapidly taking power for distribution network line |
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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: 20120704 Termination date: 20191104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |