CN203617444U - Ground wire clamp - Google Patents

Ground wire clamp Download PDF

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Publication number
CN203617444U
CN203617444U CN201320879255.0U CN201320879255U CN203617444U CN 203617444 U CN203617444 U CN 203617444U CN 201320879255 U CN201320879255 U CN 201320879255U CN 203617444 U CN203617444 U CN 203617444U
Authority
CN
China
Prior art keywords
clamp
bar
ground wire
insulating bar
clamp body
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
Application number
CN201320879255.0U
Other languages
Chinese (zh)
Inventor
吴松麟
徐浩
陈智
唐刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Chongqing City Power Supply Co of State Grid Chongqing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Chongqing City Power Supply Co of State Grid Chongqing Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Chongqing City Power Supply Co of State Grid Chongqing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201320879255.0U priority Critical patent/CN203617444U/en
Application granted granted Critical
Publication of CN203617444U publication Critical patent/CN203617444U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a ground wire clamp. The ground wire clamp comprises a clamp body, an insulating rod and a ground wire. The lower end of the clamp body is equipped with a metal connection base used for connecting the insulating rod and the ground wire. The clamp body is U-shaped and hinged with double-tongue-type spring clamping pieces. The joint of each spring clamping piece and the clamp body is equipped with a flexible winding wire used for connecting the metal connection base. When the ground wire clamp is in use, a bus side contact is arranged between the two spring clamping pieces, the spring clamping pieces press the contact and the contact is clamped stably and firmly. The contact is reliably connected with the ground through the clamp body, the metal connection base and the ground wire. Because the spring clamping pieces and the clamp body are movably connected, gaps are formed, the flexible winding wires are additionally installed at the joints of the spring clamping pieces and the clamp body respectively, the conductivity can be raised, and the grounding reliability is guaranteed. The ground wire clamp is simple in structure, is easy to use, and has high popularization and application values.

Description

Earthing wire clip
Technical field
The utility model relates to a kind of power construction equipment, particularly a kind of earthing wire clip.
Background technology
In work about electric power; often have the work of whole section of bus interruption maintenance, at this moment just need busbar grounding, and transformer station generally adopts handcart car formula switch; this class switch cubicle seals because of bus; do not leave the position of bus hanging earthing conductor, should be equipped with grounding trolley and carry out ground connection operation, but because switch cubicle kind is more; wherein some switch cubicle is due to year limit for length that puts into operation; grounding trolley is not equipped with, so in the time that busbar overhaul is worked, can only realize busbar grounding by hanging earthing conductor.The earthing clamp that O&M station is used is now clamp type structure, earthing clamp and insulating bar angle in 90 °, hand-held insulating bar tail end when use, depress operation spanner and open wire clamp, when hanging earthing conductor, must make insulating bar perpendicular to bus bar side contact, and the insulating bar length of a lot of original earth connections is long cannot be in cabinet vertical, and the contact that bus bar side is exposed only has very short one section, earth connection cannot be clamped the contact of bus bar side, so many times earthing clamp can only be placed on contact, can not meet grounding requirement, can not clamp reliably bus bar side contact, easily form virtual earth, in work, be easy to touch off, exist very large potential safety hazard, can not effectively protect staff's personal safety.
Therefore, be necessary to develop a kind of special busbar grounding wire clamp, it can be stablized and clamp securely bus bar side contact and form reliable ground connection, stop potential safety hazard, effectively protect staff's personal safety, and simple in structure, easy to use.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of earthing wire clip, and it can be stablized and clamps securely bus bar side contact and form reliable ground connection, stops potential safety hazard, effectively protects staff's personal safety, and simple in structure, easy to use.
Earthing wire clip of the present utility model, comprise clamp, insulating bar and earth lead, the lower end of described clamp is provided with the metal-connecting seat for being connected with described insulating bar and described earth lead, described clamp takes the shape of the letter U and is hinged with double tongue type spring clip, and described spring clip is provided with the soft arranging wire for being connected with described metal-connecting seat with the junction of described clamp.
Further, described insulating bar comprises outer bar and is socketed in the interior bar in described outer bar, the lower end of described interior bar has radial location hole, in described location hole, be provided with " protruding " font alignment pin and elastic component, described elastic component is located between described location hole bottom and described alignment pin afterbody, is evenly provided with at least two positioning jacks for passing for described alignment pin head on the bar wall of described outer bar.
Further, described insulating bar is made up of polyethylene duroplasts and the end of described insulating bar is provided with rubber sleeve.
Further, described metal clamp and described spring clip are made by aluminum alloy materials.
Further, the end of described earth lead is provided with the earth terminal for being connected with ground stud, and described earth terminal is a butterfly screw.
Further, the outer jacket of described earth lead is provided with luminescent coating.
The beneficial effects of the utility model: earthing wire clip of the present utility model, when use, bus bar side contact is placed between two spring clips, spring clip forms to push to be stablized securely to contact and clamps, and carries out reliable ground by clamp, metal-connecting seat and earth lead; Meanwhile, due to spring clip with clamp for being flexibly connected, there is gap, install respectively soft arranging wire additional in the junction of spring clip and clamp, can strengthen electric conductivity, guarantee the reliability of ground connection; The utility model is simple in structure, easy to use, has highly application value.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is B place enlarged drawing in Fig. 1.
Embodiment
Fig. 1 is structural representation of the present utility model, Fig. 2 is that the A of Fig. 1 is to view, Fig. 3 is B place enlarged drawing in Fig. 1, as shown in the figure: the earthing wire clip of the present embodiment, comprise clamp 1, insulating bar 2 and earth lead 3, the lower end of described clamp 1 is provided with the metal-connecting seat 4 for being connected with described insulating bar 2 and described earth lead 3, described clamp 1 takes the shape of the letter U and is hinged with double tongue type spring clip 11, and described spring clip 11 is provided with the soft arranging wire 5 for being connected with described metal-connecting seat 4 with the junction of described clamp 1; Clamp 1 is positive U-shaped, and for clamping power transformation circuit, the metal material casting strong by conductivity forms; Metal-connecting seat 4 can be one-body molded with clamp 1, can be also individual components; Two symmetrical spring clips 11 are hinged on clamp 1 upper end and are connected with spring, form squeezing action for being positioned at bus bar side contact wherein when using, and maximum extrusion pressure is greater than 10N; When use, bus bar side contact is placed between two spring clips 11, spring clip 11 forms to push to be stablized securely to contact and clamps, and carries out reliable ground by clamp 1, metal-connecting seat 4 and earth lead 3; Meanwhile, due to spring clip 11 with clamp 1 for being flexibly connected, there is gap, install respectively soft arranging wire 5 additional in spring clip 11 and the junction of clamp 1, can strengthen electric conductivity, guarantee the reliability of ground connection.
In the present embodiment, described insulating bar 2 comprises outer bar 21 and is socketed in the interior bar 22 in described outer bar 21, the lower end of described interior bar 22 has radial location hole 22a, in described location hole 22a, be provided with " protruding " font alignment pin 6 and elastic component 7, described elastic component 7 is located between described location hole 22a bottom and described alignment pin 6 afterbodys, is evenly provided with at least two positioning jack 21a for passing for described alignment pin 6 heads on the bar wall of described outer bar 21; The head of alignment pin 6 is that its thinner one end, afterbody are its thicker one end; The aperture of positioning jack 21a is greater than the head width of alignment pin 6 and is less than the tail width of alignment pin 6; Insulating bar 2 is designed to the socket join structure of outer bar 21 and interior bar 22, interior bar 22 outside in bar 21 cooperation of telescopic movable the positioning jack 21a by alignment pin 6 and diverse location complete location, thereby make the insulating bar 2 can be for different electric pressures, different switch cubicle adjusted size different length, both easy to use, also be convenient to storage, transportation, and meet different safety operation distances.
In the present embodiment, described insulating bar 2 is made up of polyethylene duroplasts and the end of described insulating bar 2 is provided with rubber sleeve 8; Polyethylene duroplasts hardness is less, yielding, and polyethylene duroplasts bar is hollow, and weight is lighter, transportation and use upper more convenient; Certainly, insulating bar 2 also can use timber, the color tube that can also adopt epoxy resin to be refined into, and its good insulation preformance, intensity are high, lightweight, in bright gay color, smooth in appearance; Rubber sleeve 8 can reinforced insulation bar 2 insulating properties, guarantee better staff's safety, and strengthen the comfortableness of operation.
In the present embodiment, described metal clamp 1 and described spring clip 11 are made by aluminum alloy materials; Aluminum alloy hardness is less, and quality is light, and corrosion resistance is superior, and is conducive to reduce manufacturing cost.
In the present embodiment, the end of described earth lead 3 is provided with the earth terminal 9 for being connected with ground stud, and described earth terminal 9 is a butterfly screw; Ground stud in transformer station is unified standard, uses a butterfly screw can guarantee engage good with ground stud of earth lead 3, meets grounding requirement; And a butterfly screw is standard component, is conducive to simplified manufacturing technique, reduces manufacturing cost.
In the present embodiment, the outer jacket of described earth lead 3 is provided with luminescent coating (not shown); Earth lead 3 comprises inner copper wire and the outer jacket that is wrapped in copper wire outside, and outer jacket is insulation sheath; Outer jacket is set up luminescent coating, and luminescent coating is preferably fluorescent material, can send fluorescence at night under environment, is convenient to position, quantity, state that staff identifies earth lead 3, thereby avoids the generation of faulty operation and contingency; In addition, insulating bar 2 also can be added on the naturally luminous Noctilucent material of energy at night, makes insulating bar 2 also become the parts of easy identification.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims (6)

1. an earthing wire clip, comprise clamp, insulating bar and earth lead, it is characterized in that: the lower end of described clamp is provided with the metal-connecting seat for being connected with described insulating bar and described earth lead, described clamp takes the shape of the letter U and is hinged with double tongue type spring clip, and described spring clip is provided with the soft arranging wire for being connected with described metal-connecting seat with the junction of described clamp.
2. earthing wire clip according to claim 1, it is characterized in that: described insulating bar comprises outer bar and is socketed in the interior bar in described outer bar, the lower end of described interior bar has radial location hole, in described location hole, be provided with " protruding " font alignment pin and elastic component, described elastic component is located between described location hole bottom and described alignment pin afterbody, is evenly provided with at least two positioning jacks for passing for described alignment pin head on the bar wall of described outer bar.
3. earthing wire clip according to claim 2, is characterized in that: described insulating bar is made up of polyethylene duroplasts and the end of described insulating bar is provided with rubber sleeve.
4. earthing wire clip according to claim 3, is characterized in that: described metal clamp and described spring clip are made by aluminum alloy materials.
5. earthing wire clip according to claim 4, is characterized in that: the end of described earth lead is provided with the earth terminal for being connected with ground stud, and described earth terminal is a butterfly screw.
6. earthing wire clip according to claim 5, is characterized in that: the outer jacket of described earth lead is provided with luminescent coating.
CN201320879255.0U 2013-12-27 2013-12-27 Ground wire clamp Expired - Fee Related CN203617444U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320879255.0U CN203617444U (en) 2013-12-27 2013-12-27 Ground wire clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320879255.0U CN203617444U (en) 2013-12-27 2013-12-27 Ground wire clamp

Publications (1)

Publication Number Publication Date
CN203617444U true CN203617444U (en) 2014-05-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320879255.0U Expired - Fee Related CN203617444U (en) 2013-12-27 2013-12-27 Ground wire clamp

Country Status (1)

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CN (1) CN203617444U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN107689496A (en) * 2017-08-11 2018-02-13 国网江苏省电力公司徐州供电公司 New type grounding device
CN108736179A (en) * 2018-05-29 2018-11-02 福州大学 A kind of grounding wire device and its application method
CN109921211A (en) * 2018-12-18 2019-06-21 国网浙江龙游县供电有限公司 A kind of telescopic intermediate potential insulation lapping bar

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN107689496A (en) * 2017-08-11 2018-02-13 国网江苏省电力公司徐州供电公司 New type grounding device
CN108736179A (en) * 2018-05-29 2018-11-02 福州大学 A kind of grounding wire device and its application method
CN109921211A (en) * 2018-12-18 2019-06-21 国网浙江龙游县供电有限公司 A kind of telescopic intermediate potential insulation lapping bar

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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: 20140528

Termination date: 20181227

CF01 Termination of patent right due to non-payment of annual fee