CN102655279A - High-voltage conductor end ground clamp - Google Patents
High-voltage conductor end ground clamp Download PDFInfo
- Publication number
- CN102655279A CN102655279A CN2012100462533A CN201210046253A CN102655279A CN 102655279 A CN102655279 A CN 102655279A CN 2012100462533 A CN2012100462533 A CN 2012100462533A CN 201210046253 A CN201210046253 A CN 201210046253A CN 102655279 A CN102655279 A CN 102655279A
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Abstract
The invention relates to a high-voltage conductor end ground clamp, comprising a hook with a ground conductor end, wherein the hook is internally and respectively connected with two rotatable tongue sheets, the two tongue sheets are oppositely arranged to form a splayed clamping opening for clamping a conductor, the hook is further provided with a locking block which is rotatably connected with the hook through a connection pin shaft; the locking block consists of two locking plates, a connection rib and a limiting plate; the two locking plates are respectively arranged at the front and the back of the hook, the connection rib is connected with the two locking plates, and the limiting plate is connected with the hook and then is adhered on the side surface of the hook; the connection pin shaft is internally sleeved with an inner side surface, a torsion spring and an insulating pull rope; the two ends of the inner side surface respectively prop against the hook, the torsion spring is arranged on the connection rib of the locking block, the insulating pull rope is fixed on the locking block and is used for pulling the locking block to rotate, the side edge of the lower part of each locking plate is provided with an inclined line conveniently guiding the conductor into the hook, the edge of the upper part of each locking plate is provided with an arc clamping opening matched with the conductor, the arc clamping opening is used for clamping double tongue sheets, and the conductor is clamped so as to prevent the conductor from moving downwards and to be fixed completely; and under a high wind environment, the conductor generates wave and can be prevented from withdrawing from a clamp.
Description
Technical field
The present invention relates to a kind of high-voltage conducting wires termination ground clamp, especially can apply to the conductor termination ground clamp of 500kV strain tower.
Technical background
The conductor termination ground clamp is with the earthy a kind of safety appliance of power failure equipments temporary short-circuit; Its effect is when high-tension apparatus is carried out interruption maintenance or carries out other work; The equipment that prevents is sent a telegram here suddenly and contiguous high voltage alive equipment produces the harm of induced voltage to human body, the residual charge of the power cutoff device of releasing simultaneously.At present, the folder of connecting wires that each grid company is used mainly contains double-spring type, single spring, plain end screw formula and larynx formula etc., wherein; Double-spring type is because the chucking power that produces during clamping lead balance relatively, and relatively is convenient to operation and is widely used, and its primary structure is made up of a hook, two tongue pieces, action bars, two tension springs; Action bars is connected with hook, the bend that hook has two clamping parts and connects clamping part, and two tongue piece positioned opposite and one of which end flexibly connect with hook two clamping parts respectively; The other end stretches in the groove that bend is provided with, and forms splay folder mouthful, and the earthing clamp of this structure is when being used for hanging wire; Lead begins to make two tongue pieces to rotate along different directions when getting into the corresponding position of Jia Kou and its size, until two tongue pieces since tension spring produce and elastic force linked up with can be fixed on the lead; Promptly accomplish the hanging wire process, still, hung up properly the place that folds that the back lead is positioned at two tongue pieces; Be the top of herringbone,, even under wind, also can produce conductor galloping owing to lead is in the outdoor environment of strong wind, heavy rain often; Hook is overturn, cause hook to come off, cause temporary short-circuit to lose efficacy from lead; The maintainer is produced serious personal injury, so there is great potential safety hazard.And because job site center line footpath size is different, when using two tongue, it is different that different line footpath leads is positioned at the position of tongue piece.The major diameter lead is positioned at the bottom of tongue piece, i.e. the bottom of Eight characters clevis mouth, and easy landing phenomenon appears in lead.
China's utility model patent notification number is that the specification of CN2458746Y discloses a kind of high-voltage earthing wire clamp, and it is made up of wire-clamping device and control device, and wire-clamping device comprises hook, hyoplastron, the tension spring of being with earth lead, and the medial surface of hook has along the groove of hook; One end of tongue piece and the bottom of hook flexibly connect, and the other end stretches in the groove, and tension spring is installed on the hook, and its two ends are being supported hook and hyoplastron respectively; The insulation stay cord that is connecting control device on the hyoplastron, pulling insulation stay cord can make hyoplastron rotate, and the earthing clamp of this spline structure is when being used for hanging wire; Earlier hook is placed on the lead, spur the stay cord that insulate through control device again tongue piece is rotated in hook, conducting oneself with dignity at hook perhaps applies under the downward active force operating means; Sweep in lead gets into hook unclamps the insulation stay cord again, and tongue piece rotates toward aforementioned rightabout under the elasticity tension effect of tension spring; When going to initial position, be about to wire clamp in hook, accomplished the hanging wire operation; Such structure is that lead is locked in the hook, but since its tongue piece with the hook not to the lead clamping, under wind; Lead can be at play in tongue piece and the space that surrounds of hook, and hook has been thrown off in fact with lead and contacted, and causes the temporary short-circuit inefficacy; There is great potential safety hazard too, when being used for hanging wire, needs the insulation stay cord of pulling control device simultaneously; Could lead be got in the hook, need operate lead and action bars simultaneously during operation, make the extremely inconvenience that operates.And might be when taking out stitches, because of lead falls between hyoplastron and the hook, during tension insulation stay cord, lead can block the motion of hyoplastron, and causing can't enough big opening, lets lead from link up with, deviate from.
Summary of the invention
The purpose of this invention is to provide a kind of hanging wire and operate the more convenient while can prevent that lead from coming off from wire clamp high-voltage conducting wires termination ground clamp.
The present invention realizes above-mentioned purpose through following technical scheme: a kind of high-voltage conducting wires termination ground clamp; Comprise hook that has an earth lead end and the action bars that links to each other with this hook; The bend that said hook has two clamping parts and connects said clamping part; Be connected with two rotating tongue pieces in said two clamping parts respectively and lay respectively at two tension springs between this tongue piece and clamping part, said pair of tongue piece positioned opposite is formed for clamping the splay folder mouth of lead, it is characterized in that; Also be provided with on the said hook through connecting the lock dog that bearing pin and its formation are rotatably connected; Lock dog is by forward and backward two jam plates that lay respectively at hook, and the dowel that connects two jam plates be connected after be attached to the hook side limiting plate constitute, be with two ends in the said connection bearing pin and supporting the medial surface of this hook and the torsionspring on the lock dog dowel respectively; Also be fixedly connected one on the said lock dog and can spur the insulation stay cord that lock dog rotates; Said lock dog lower side edge is set as the oblique line of being convenient in the lead entering hook, and top is provided with the arc bayonet socket that matches with lead, is used for that two tongue pieces are clamped the back lead and blocks.
Said action bars forms through connecting bolt with hook and is rotatably connected, and the wing nut that cooperates with bolt is established in said connecting bolt termination.
Also be provided with the capstan that is used for folding and unfolding insulation stay cord on the said action bars.
Beneficial effect of the present invention is:
Because on hook, connected rotating lock dog through connecting bearing pin, lock dog mainly is made up of the jam plate that is positioned at forward and backward of jam plate, the lower side edge of jam plate is set as the oblique line of being convenient in the lead entering hook; Make lead just can back down lock dog and get in two tongue pieces need not spurring the insulation stay cord, make the hanging wire operation become simple, top edge is provided with the arc bayonet socket that matches with lead simultaneously; The lead of being clamped by two tongue pieces is stuck again, limits it and move downward, it is fixed fully; Even at strong wind atmosphere; Even lead produces and to wave, and can prevent that also lead from deviating from from wire clamp, adds two tongues and bayonet fittings; Can adapt to different line footpaths, increase the fail safe of work.
Description of drawings
Fig. 1 is the structural representation of high-voltage conducting wires termination ground clamp of the present invention.
Fig. 2 is Figure 1A place structure for amplifying sketch map.
Fig. 3 is a jam plate structural representation among Fig. 1.
Fig. 4 is Figure 1B place structure for amplifying sketch map.
Fig. 5 is the user mode structural representation after the present invention clamps lead.
Embodiment
Below through accompanying drawing and embodiment technical scheme of the present invention is described further.
As shown in Figure 1; High-voltage conducting wires termination ground clamp of the present invention; Comprise action bars 1, have the lead earth terminal hook 2, left tongue piece 3, right tongue piece 4, left tension spring 5, right tension spring 6, lock dog 7, torsionspring 8, insulation stay cord 9, connect bearing pin 10; Hook is made up of left clamping part 21 and right clamping part 22 and the bend 23 that is connected left clamping part 21 and right clamping part 22, and bend 23 end faces are provided with the left groove 24 and right groove 25 that has two symmetric arrangement, and the lower end of right clamping part 22 is connected with action bars 1; Left side clamping part 21 parallels with right clamping part 22; Be provided with in the hook 2, an end of wherein left tongue piece 3 is connected with the left hinge of left clamping part 21 usefulness left side tongue piece 3 and right tongue piece 4 bifurcateds, and the other end stretches in the left groove 24; 22 ones of one end of right tongue piece 4 and right clampings are connected through right hinge; The other end extends in the right groove 25 of bend, and left tongue piece 3 is splayed with right tongue piece 4 and is arranged symmetrically in bend 23 both sides in opposite directions, on left clamping part 21 and right clamping part 22, a left side cuts with scissors that hinge is connected and right hinged place is provided with left connecting pin 11 and right connecting pin 12 respectively; A left side is with left tension spring 5 in the connecting pin 11, and the two ends of left tension spring 5 are being supported respectively on the medial surface of the medial surface of linking up with left clamping part 21 and left tongue piece 3.Be with right tension spring 6 in the right connecting pin 12, right tension spring 6 is supporting respectively on the medial surface of medial surface and right tongue piece 4 of right clamping part 22, on the right clamping part 22, be positioned at right pin-and-hole and have connecting hole 13 12 times.
Combine Fig. 2 and Fig. 3 to find out again, lock dog 7 mainly is made up of preceding jam plate 71 and rear lock plate 72, and preceding jam plate 71, rear lock plate 72 lay respectively at the front and back of hook; Two lock dogs interconnective dowel 73 is arranged and be connected before have and right clamping part 22 connecting holes 13 corresponding through holes 75 jam plate 71 and the through hole 75 of rear lock plate 72 and the connecting hole 13 of right clamping part 22 before connecting bearing pin 10 and passing on limiting plate 74, two lock dogs of jam plate 71 and rear lock plate 72 lateral edges; The preceding jam plate 71 and the rear lock plate 72 of lock dog 7 just is connected on the right clamping part 22 of hook 2, forms with hook 2 to be rotatably connected, and connects in the bearing pin 10 to be with torsionspring 8; The two ends of torsionspring 8 are against respectively on the dowel 73 of side and lock dog of hook 2 right clamping parts 22; Limiting plate 74 is attached to the side of hook 2, is limiting lock dog 7 along counterclockwise further rotating again, and an end of insulation position rope 9 is fixed on the lock dog 7; Pulling insulation stay cord 9 makes lock dog 7 is clockwise rotated; After unclamping insulation stay cord 9, because the elastic restoring force of torsionspring 8 rotates counterclockwise lock dog 7, simultaneously; Because the restriction of limiting plate 74 makes lock dog 7 be positioned at initial position.
Connect edge 76 under the side of lock dog 7 and be a skew lines line segment, be convenient to lead 14 and directly get in the hook 2, the starting point of skew lines line segment is connecting hole 13 places of right clamping part 22; Terminal point closes on the free end in 21 ones of left clampings, and hook 2 just forms enclosure space, and it is curved that the top of lock dog 7 connects edge 77; Be used to lock the position of lead 14 in hook 2 after being clamped with right tongue piece 4 by left tongue piece 3; Lead 14 can not break away from from the folder mouth of left tongue piece 3 and right tongue piece 4, simultaneously, and when also being convenient to pulling insulation stay cord 9 and making lock dog 7 unclamp lead 14; Do not produce scraping power; Protected lead 14 effectively, certainly lock dog 7 tops connect edge 77 and are not limited to arc, also can horizontal linear, skew lines or other modes.
Referring again to Fig. 4 can find out, the distolateral even edge of the connection of the right clamping part 22 of hook extends to form 26, two lugs 26 of two lugs downwards and all has the coaxial aperture 27 along the water direction; Action bars 1 is provided with the hole of matching with coaxial aperture 27, and connecting bolt 15 passes in three holes, wing nut 18 is screwed on the connecting bolt 15 that passes action bars 1 and one of them lug 26; Through screwing and unclamping wing nut 18; Can adjust action bars 1 and the angle of linking up with 2, when transferring to the position of being convenient to operate, the wing nut 18 of screwing; Just accomplished the positioning operation, the positioning process is very convenient.
The present invention at first will adjust the action bars 1 and the position of hook 2 through wing nut 18 when being used for hanging wire, will link up with 2 and place on the lead 14; Action bars 1 is applied downward active force, lead 14 just with lock dog 7 on the lower side skew lines line segment 76 that connects edge contact and begin to back down lock dog 7 simultaneously, lock dog 7 begins to clockwise rotate; Torsionspring 8 further is compressed, and lead 14 leans to one side to continue to move upward by hook 2, enters to left tongue piece 3 then and forms in the Eight characters clevis mouth with right tongue piece 4; Lead 14 makes left tongue piece 3 rotate along different directions with right tongue piece 4 when getting into the corresponding position of Jia Kou and its size, after the left tension spring 5 that arrives 4 of left tongue pieces 3 and right tongue pieces until lead 14 and right tension spring 6 generations make elastic force make the position that lead 14 fixes; Lead 14 just begins to unclamp to contact with lock dog 7, and lock dog 7 just rotates counterclockwise under torsionspring 8 effects, until being returned to initial position; At this moment; As shown in Figure 5, the arc bayonet socket that lock dog 7 tops connect edge 77 just is against the following edge that connects of lead 14, and lead 14 can not be moved downward; Its lead 14 positions are fixed fully; Even at strong wind atmosphere, even lead 14 produces and waves, and can prevent that also lead 14 from deviating from from wire clamp.When needs are dismantled, hand capstan 17, insulation stay cord 9 just spurs lock dog 7 and clockwise rotates; When going to the skew lines line segment that lower side connects edge 76 with the position that right clamping part 22 is leaned to one side parallel; Upwards mention action bars 1, lead 14 just can be deviate from from hook, accomplishes unloading process.
Claims (3)
1. high-voltage conducting wires termination ground clamp; Comprise hook that has an earth lead end and the action bars that links to each other with this hook; The bend that said hook has two clamping parts and connects said clamping part; Be connected with two rotating tongue pieces in said two clamping parts respectively and lay respectively at two tension springs between this tongue piece and clamping part, said pair of tongue piece positioned opposite is formed for clamping the splay folder mouth of lead, it is characterized in that; Also be provided with on the said hook through connecting the lock dog that bearing pin and its formation are rotatably connected; Lock dog is by forward and backward two jam plates that lay respectively at hook, and the dowel that connects two jam plates be connected after be attached to the hook side limiting plate constitute, be with two ends in the said connection bearing pin and supporting the medial surface of this hook and the torsionspring on the lock dog dowel respectively; Also be fixedly connected one on the said lock dog and can spur the insulation stay cord that lock dog rotates; Said lock dog lower side edge is set as the oblique line of being convenient in the lead entering hook, and top is provided with the arc bayonet socket that matches with lead, is used for that two tongue pieces are clamped the back lead and blocks.
2. high-voltage conducting wires termination ground clamp according to claim 1 is characterized in that said action bars and hook are rotatably connected through connecting bolt formation, and the wing nut that cooperates with bolt is established in said connecting bolt termination.
3. the described high-voltage conducting wires termination of root a tree name claim 1 ground clamp is characterized in that also being provided with on the said action bars capstan that is used for folding and unfolding insulation stay cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100462533A CN102655279A (en) | 2012-02-28 | 2012-02-28 | High-voltage conductor end ground clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100462533A CN102655279A (en) | 2012-02-28 | 2012-02-28 | High-voltage conductor end ground clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102655279A true CN102655279A (en) | 2012-09-05 |
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ID=46730851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100462533A Pending CN102655279A (en) | 2012-02-28 | 2012-02-28 | High-voltage conductor end ground clamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN102655279A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296500A (en) * | 2013-05-29 | 2013-09-11 | 国家电网公司 | Single-hook double-tongue tightening earthing clamp |
| CN103594828A (en) * | 2013-11-26 | 2014-02-19 | 国家电网公司 | Portable discharging rod |
| CN103618159A (en) * | 2013-10-31 | 2014-03-05 | 国家电网公司 | Power transmission grounding wire falling off-prevention wire clamp |
| CN103825119A (en) * | 2014-03-14 | 2014-05-28 | 国家电网公司 | Anti-drop ground wire clamp |
| CN103825118A (en) * | 2014-03-06 | 2014-05-28 | 国家电网公司 | Spiral ground wire conductor clamp |
| CN104124584A (en) * | 2014-06-30 | 2014-10-29 | 国家电网公司 | Hanging assisting mechanism of copper bar grounding wire |
| CN104409890A (en) * | 2014-12-11 | 2015-03-11 | 国家电网公司 | Throwing and hanging type grounding wire clamp |
| CN105846179A (en) * | 2016-06-16 | 2016-08-10 | 国网福建省电力有限公司 | Transformer substation aluminum bar grounding wire clamp |
| CN106654628A (en) * | 2015-11-04 | 2017-05-10 | 国网辽宁省电力有限公司本溪供电公司 | Temporary composite ground wire clamp for power delivery field |
| CN109066126A (en) * | 2018-09-03 | 2018-12-21 | 中国南方电网有限责任公司超高压输电公司南宁局 | Transmission line of electricity versatility conductor earthing device |
| CN109462054A (en) * | 2018-12-03 | 2019-03-12 | 国家电网有限公司 | Hook earthing or grounding means |
| CN112038796A (en) * | 2020-09-22 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司南宁局 | General type push-pull little formula earth connection of twisting about |
| CN114094367A (en) * | 2021-11-26 | 2022-02-25 | 贵州电网有限责任公司 | Plug-type ground connection link |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2458746Y (en) * | 2000-10-13 | 2001-11-07 | 王兵 | High-voltage grounding wire clamp |
| CN2579055Y (en) * | 2002-09-30 | 2003-10-08 | 嘉兴市宏光安全用电设备厂 | Operating lever of ground connection clip |
| CN201466229U (en) * | 2009-06-30 | 2010-05-12 | 河南省电力公司开封供电公司 | Anti-dropping earthing clip |
| CN202585803U (en) * | 2012-02-28 | 2012-12-05 | 广西电网公司电力科学研究院 | Grounding wire clamp of high-voltage lead end |
-
2012
- 2012-02-28 CN CN2012100462533A patent/CN102655279A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2458746Y (en) * | 2000-10-13 | 2001-11-07 | 王兵 | High-voltage grounding wire clamp |
| CN2579055Y (en) * | 2002-09-30 | 2003-10-08 | 嘉兴市宏光安全用电设备厂 | Operating lever of ground connection clip |
| CN201466229U (en) * | 2009-06-30 | 2010-05-12 | 河南省电力公司开封供电公司 | Anti-dropping earthing clip |
| CN202585803U (en) * | 2012-02-28 | 2012-12-05 | 广西电网公司电力科学研究院 | Grounding wire clamp of high-voltage lead end |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296500A (en) * | 2013-05-29 | 2013-09-11 | 国家电网公司 | Single-hook double-tongue tightening earthing clamp |
| CN103618159A (en) * | 2013-10-31 | 2014-03-05 | 国家电网公司 | Power transmission grounding wire falling off-prevention wire clamp |
| CN103618159B (en) * | 2013-10-31 | 2015-12-30 | 国家电网公司 | A kind of transmission of electricity earth connection slip-off preventing wire clamp |
| CN103594828B (en) * | 2013-11-26 | 2015-12-30 | 国家电网公司 | A kind of portable discharging rod |
| CN103594828A (en) * | 2013-11-26 | 2014-02-19 | 国家电网公司 | Portable discharging rod |
| CN103825118A (en) * | 2014-03-06 | 2014-05-28 | 国家电网公司 | Spiral ground wire conductor clamp |
| CN103825118B (en) * | 2014-03-06 | 2015-01-21 | 国家电网公司 | Spiral ground wire conductor clamp |
| CN104393429A (en) * | 2014-03-06 | 2015-03-04 | 国家电网公司 | Spiral type ground wire conductor clamp |
| CN104409882A (en) * | 2014-03-06 | 2015-03-11 | 国家电网公司 | Grounding conductor limiting device of screw type ground wire conductor clamp |
| CN104393429B (en) * | 2014-03-06 | 2016-03-09 | 国家电网公司 | A kind of spiral earth connection conductor folder |
| CN103825119A (en) * | 2014-03-14 | 2014-05-28 | 国家电网公司 | Anti-drop ground wire clamp |
| CN104124584A (en) * | 2014-06-30 | 2014-10-29 | 国家电网公司 | Hanging assisting mechanism of copper bar grounding wire |
| CN104409890A (en) * | 2014-12-11 | 2015-03-11 | 国家电网公司 | Throwing and hanging type grounding wire clamp |
| CN104409890B (en) * | 2014-12-11 | 2017-01-04 | 国家电网公司 | Throw hanging earthing clamp |
| CN106654628A (en) * | 2015-11-04 | 2017-05-10 | 国网辽宁省电力有限公司本溪供电公司 | Temporary composite ground wire clamp for power delivery field |
| CN105846179A (en) * | 2016-06-16 | 2016-08-10 | 国网福建省电力有限公司 | Transformer substation aluminum bar grounding wire clamp |
| CN109066126A (en) * | 2018-09-03 | 2018-12-21 | 中国南方电网有限责任公司超高压输电公司南宁局 | Transmission line of electricity versatility conductor earthing device |
| CN109462054A (en) * | 2018-12-03 | 2019-03-12 | 国家电网有限公司 | Hook earthing or grounding means |
| CN109462054B (en) * | 2018-12-03 | 2023-11-10 | 国家电网有限公司 | Hook-type grounding device |
| CN112038796A (en) * | 2020-09-22 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司南宁局 | General type push-pull little formula earth connection of twisting about |
| CN114094367A (en) * | 2021-11-26 | 2022-02-25 | 贵州电网有限责任公司 | Plug-type ground connection link |
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Application publication date: 20120905 |