CN202585803U - Grounding wire clamp of high-voltage lead end - Google Patents
Grounding wire clamp of high-voltage lead end Download PDFInfo
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- CN202585803U CN202585803U CN 201220066475 CN201220066475U CN202585803U CN 202585803 U CN202585803 U CN 202585803U CN 201220066475 CN201220066475 CN 201220066475 CN 201220066475 U CN201220066475 U CN 201220066475U CN 202585803 U CN202585803 U CN 202585803U
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- hook
- lead
- lock dog
- plates
- tongue piece
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Abstract
The utility model relates to a grounding wire clamp of a high-voltage lead end. The grounding wire clamp comprises a hook with a grounding lead end, wherein two rotatable tongues are respectively connected in the hook, and the two tongues are arranged oppositely to form a splay clamping mouth which is used for clamping a lead; the hook is equipped with a locking block, the locking block and the hook are in rotatable connection via a connection pin, wherein the locking block is composed of two locking plates, a connection rib and a limiting plate, the two locking plates are respectively positioned in a front side and a back side of the hook, the connection rib connects the two locking plates, and the limiting plates connects sides of the two locking plates; and the connection pin is sleeved on a torsion spring and an insulation stay rope, wherein two ends of the torsion spring abut against an inner side of the hook and the connection rib of the blocking rib respectively, and the insulation stay rope is used for pulling the locking block to rotate. The bottom side edges of the blocking plates are designed as oblique lines which are convenient for the lead entering the hook, and the upper side edges are equipped with arc bayonets which match with the lead, thereby limiting downward movements of the lead and completely fixing the lead; thus, even the lead waves in the gaze environments, the lead is prevented from dropping out from the wire clamp.
Description
Technical field
The utility model 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.
Background technology
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 the utility model provides a kind of hanging wire and operates the more convenient while can prevent that lead from coming off from wire clamp high-voltage conducting wires termination ground clamp.
The utility model is realized 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 is 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 an insulation stay cord that can spur the lock dog rotation on the said lock dog; 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.
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.
The beneficial effect of the utility model 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; Limit 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 the described high-voltage conducting wires termination of the utility model ground clamp.
Fig. 2 is the lock dog structural representation of the described high-voltage conducting wires termination of the utility model ground clamp.
Fig. 3 is a jam plate structural representation among Fig. 1.
Fig. 4 is the ledge arrangement sketch map of the described high-voltage conducting wires termination of the utility model ground clamp.
Fig. 5 is the user mode structural representation after the utility model is clamped lead.
Embodiment
Below through accompanying drawing and embodiment technical scheme of the present invention is described further.
As shown in Figure 1; The described high-voltage conducting wires termination of the utility model ground clamp; 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.
Action bars 1 is provided with cable-through hole 16 with hook 2 junctions, and insulation stay cord 9 one ends are fixed on the lock dog 7, and the other end passes cable-through hole 16 to the capstan winch that is installed in action bars 1 17 and is connected, and through capstan winch 17 folding and unfoldings insulation stay cord 9, uses more convenient.
The utility model at first will be adjusted 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 (1)
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 is 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 an insulation stay cord that can spur the lock dog rotation on the said lock dog; 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.
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.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220066475 CN202585803U (en) | 2012-02-28 | 2012-02-28 | Grounding wire clamp of high-voltage lead end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220066475 CN202585803U (en) | 2012-02-28 | 2012-02-28 | Grounding wire clamp of high-voltage lead end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585803U true CN202585803U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220066475 Expired - Lifetime CN202585803U (en) | 2012-02-28 | 2012-02-28 | Grounding wire clamp of high-voltage lead end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202585803U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655279A (en) * | 2012-02-28 | 2012-09-05 | 广西电网公司电力科学研究院 | High-voltage conductor end ground clamp |
| CN103346417A (en) * | 2013-06-28 | 2013-10-09 | 广西大学 | Portable controllable clamping-type extra-high voltage discharging rod |
| CN104241888A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Multifunctional earth clamp |
| CN104483589A (en) * | 2014-12-19 | 2015-04-01 | 华东交通大学 | Detecting device and method for four-tongue grounding wire |
| CN109462054A (en) * | 2018-12-03 | 2019-03-12 | 国家电网有限公司 | Hook earthing or grounding means |
| CN110444990A (en) * | 2019-08-30 | 2019-11-12 | 国家电网有限公司 | A kind of earth connection point attaching/detaching apparatus |
-
2012
- 2012-02-28 CN CN 201220066475 patent/CN202585803U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655279A (en) * | 2012-02-28 | 2012-09-05 | 广西电网公司电力科学研究院 | High-voltage conductor end ground clamp |
| CN104241888A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Multifunctional earth clamp |
| CN103346417A (en) * | 2013-06-28 | 2013-10-09 | 广西大学 | Portable controllable clamping-type extra-high voltage discharging rod |
| CN104483589A (en) * | 2014-12-19 | 2015-04-01 | 华东交通大学 | Detecting device and method for four-tongue grounding wire |
| CN104483589B (en) * | 2014-12-19 | 2017-06-06 | 华东交通大学 | A kind of four whip graft grounding wire detection devices and its detection method |
| 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 |
| CN110444990A (en) * | 2019-08-30 | 2019-11-12 | 国家电网有限公司 | A kind of earth connection point attaching/detaching apparatus |
| CN110444990B (en) * | 2019-08-30 | 2021-04-13 | 国家电网有限公司 | Ground wire connector dismounting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |