CN204205093U - Electricity testing grounding ring - Google Patents

Electricity testing grounding ring Download PDF

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Publication number
CN204205093U
CN204205093U CN201420787330.5U CN201420787330U CN204205093U CN 204205093 U CN204205093 U CN 204205093U CN 201420787330 U CN201420787330 U CN 201420787330U CN 204205093 U CN204205093 U CN 204205093U
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CN
China
Prior art keywords
fastening bolt
shape
fixture block
electricity testing
grounding ring
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Active
Application number
CN201420787330.5U
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Chinese (zh)
Inventor
周林
方伟
刘伟
陈杰
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YONGGU GROUP CO Ltd
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YONGGU GROUP CO Ltd
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Priority to CN201420787330.5U priority Critical patent/CN204205093U/en
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Abstract

The utility model discloses a kind of electricity testing grounding ring, comprise clamp assemblies, ground loop and insulating shield; Described clamp assemblies comprises C shape body, fixture block and fastening bolt, described C shape body is fixedly connected with by described fastening bolt with described fixture block, is provided with the grasping part that two are respectively used to grip described ground loop and cable between described C shape body and described fixture block; Two holding tanks are formed inside described C shape body, described fixture block is provided with two clamping ramps in an acute angle, described holding tank is bonded described grasping part with corresponding described clamping ramps, and the hole described fixture block wearing described fastening bolt is mounting hole.Electricity testing grounding ring of the present utility model rational in infrastructure, be suitable for reliably installing on multiple different size cable, high-altitude installation exercise is convenient, thus reduces work high above the ground danger, has good result of use.

Description

Electricity testing grounding ring
Technical field
The utility model relates to a kind of electricity testing grounding ring, belongs to electric armour clamp field of structural design.
Background technology
Along with fast development and the townie Quality advance of urban economy, country widelys popularize suspended insulated guide wire.Suspended insulated guide wire than the insulating properties of common overhead bare conductor and antiseptic property good, the short circuit that the natural cause such as trees and strong wind can be avoided to cause and ground fault, effectively can solve again the line fault that trees and outside destroy cause, greatly improve the reliability of circuit; Again than underground cable low price, construct simple, easy to maintenance.The area such as thus extensive use in the power distribution network of town and country, particularly populated area, metal dust many contaminated industries district, thunder and lightning are more.
In current urban distribution network generally when overhauling circuit or equipment, in order to ensure that the security needs of maintainer identify circuit without hanging ground protection line after electricity, this just requires that electricity testing grounding ring must contact reliably with cable.The shortcomings such as existing electricity testing grounding ring can be divided into following three kinds: (1) carries out physics crimping with H shaped cable clamp or C shaped cable clamp, and feature is electrical contact excellent performance, but needs dedicated hydraulic to clamp, and is not suitable for work high above the ground, and dismounting is inconvenient.(2) install with conventional and ditch earthing clamp, feature is that electrical contact is functional, but shortcoming is only suitable for an a certain gauge wires, and during work high above the ground, bolt such as easily to deviate from the shortcoming.(3) install with thrusting earthing clamp, feature is that structure is simple, and insulation property are good, but exists and require high to product quality, workmen's operation and acceptance requirement high, the shortcomings such as single-piece price is high, and electrical contact performance is general.
Utility model content
To this, the purpose of this utility model is to provide a kind of rational in infrastructure, is suitable for the reliable electricity testing grounding ring installed on multiple different size cable.
The technical scheme realizing the utility model object is:
A kind of electricity testing grounding ring, comprises clamp assemblies, ground loop and is enclosed within the insulating shield of described clamp assemblies outside; Described clamp assemblies comprises C shape body, fixture block and fastening bolt, described C shape body is fixedly connected with by described fastening bolt with described fixture block, is provided with the grasping part that two are respectively used to grip described ground loop and cable between described C shape body and described fixture block; Two holding tanks are formed inside described C shape body, described fixture block is provided with two clamping ramps in an acute angle, described holding tank is bonded described grasping part with corresponding described clamping ramps, and the hole described fixture block wearing described fastening bolt is mounting hole.
In technique scheme, described fastening bolt is square neck bolt, the square opening that described in the Kong Weiyu described C shape body wearing described C shape body, the neck shaped of fastening bolt adapts.
In technique scheme, described fastening bolt is fixed by socket the anti-falling piece preventing described fastening bolt from coming off from described C shape body.
In technique scheme, in the described holding tank gripping described cable, form double wedge.
In technique scheme, the body that described ground loop comprises rectangular ring-type and the insulating barrier be coated on described body outer wall, the upper center exposed part of described body is clamped in described grasping part, and exposed part exposes in an atmosphere in the middle part of the lower end of described body and in the middle part of the right-hand member of described body or in the middle part of left end.
The utility model has positive effect:
(1) electricity testing grounding ring of the present utility model when mounted, tighten described fastening bolt, cable and ground loop is made to be clamped and fixed in two grasping parts respectively, described fixture block is arranged mounting hole to wear described fastening bolt and make described fixture block have certain scope of activities, so, the grasping part that described clamping ramps and corresponding holding tank are bonded can the cable of the multiple different size of reliable grip, and the impact of ground loop diameter can not be subject to, this product scope of application is extensive, electric property is superior, cost relative moderate, there is good result of use.
(2) in electricity testing grounding ring of the present utility model, described fastening bolt is square neck bolt, the square opening that described in the Kong Weiyu described C shape body wearing described C shape body, the neck shaped of fastening bolt adapts; By adopting this structure, when tightening with the nut that described fastening bolt is supporting, described fastening bolt with nut rotation, thus can not be conducive to high-altitude installation exercise.
(3), in electricity testing grounding ring of the present utility model, effectively can prevent described fastening bolt from coming off from C shape body by arranging anti-falling piece on described fastening bolt, thus be beneficial to high-altitude installation exercise.
(4) in electricity testing grounding ring of the present utility model, by arrange in described holding tank double wedge can make with the connection of described cable more firm.
Accompanying drawing explanation
Fig. 1 is the stereogram of electricity testing grounding ring of the present utility model;
Fig. 2 is the cutaway view of electricity testing grounding ring shown in Fig. 1;
Fig. 3 is structural representation when electricity testing grounding ring shown in Fig. 1 removes insulating shield.
Reference numeral shown in figure is: 1-clamp assemblies; 11-C shape body; 12-fixture block; 13-fastening bolt; 14-grasping part; 15-holding tank; 16-clamping ramps; 2-ground loop; 21-body; 22-insulating barrier; 3-anti-falling piece; 4-insulating shield; 5-cable.
Embodiment
Do to illustrate below in conjunction with the concrete structure of Figure of description to electricity testing grounding ring of the present utility model:
A kind of electricity testing grounding ring, as shown in Figure 1 to Figure 3, it insulating shield 4 comprising clamp assemblies 1, ground loop 2 and be enclosed within described clamp assemblies outside; Described clamp assemblies 1 comprises C shape body 11, fixture block 12 and fastening bolt 13, described C shape body 11 is fixedly connected with by described fastening bolt 13 with described fixture block 12, is provided with the grasping part 14 that two are respectively used to grip described ground loop 2 and cable 5 between described C shape body 11 and described fixture block 12; Two holding tanks 15 are formed inside described C shape body 11, described fixture block 12 is provided with two clamping ramps 16 in an acute angle, described holding tank 15 is bonded described grasping part 14 with corresponding described clamping ramps 16, and the hole described fixture block 12 wearing described fastening bolt 13 is mounting hole.This electricity testing grounding ring when mounted, tighten described fastening bolt 13, cable 5 and ground loop 2 is made to be clamped and fixed in two grasping parts 14 respectively, described fixture block 12 is arranged mounting hole (length direction of described mounting hole is perpendicular to the length direction of described grasping part 14) to wear described fastening bolt 13 and make described fixture block 12 have certain scope of activities, so, the grasping part 14 that described clamping ramps 16 and corresponding holding tank 15 are bonded can the cable of the multiple different size of reliable grip, and the impact of ground loop 2 diameter can not be subject to, this product scope of application is extensive, electric property is superior, cost relative moderate, there is good result of use..
In the present embodiment, described fastening bolt 13 is square neck bolt, the square opening that described in the Kong Weiyu described C shape body 11 wearing described C shape body 11, the neck shaped of fastening bolt 13 adapts; By adopting this structure, when tightening with the nut that described fastening bolt 13 is supporting, described fastening bolt 13 with nut rotation, can not be conducive to high-altitude installation exercise.
Further, come off from described C shape body 11 to prevent described fastening bolt 13, thus be beneficial to high-altitude installation exercise, described fastening bolt 13 in the present embodiment has been fixed by socket anti-falling piece 3, described anti-falling piece 3 can be the rubbery loop that interference is socketed on described fastening bolt 13, also can be connected to the jump ring on described fastening bolt 13.
In the present embodiment, forming double wedge in the described holding tank 15 gripping described cable 5, described cable 5 can be made more firm at corresponding grasping part 14 internal fixtion by adopting this structure.
In the present embodiment, the body 21 that described ground loop 2 comprises rectangular ring-type and the insulating barrier 22 be coated on described body 21 outer wall, the upper center exposed part of described body 21 is clamped in described grasping part 14, and exposed part exposes in an atmosphere in the middle part of the lower end of described body 21 and in the middle part of the right-hand member of described body 21 or in the middle part of left end.Pass through in the middle part of the lower end of body 21 and in the middle part of the right-hand member of described body 21 in the present embodiment or in the middle part of left end, exposed part is set, staff can be facilitated to select suitable exposed part to connect ground protection line according to field condition.In practical operation, the body 21 of described ground loop 2 can adopt aluminum body portion, and arranges layers of copper on the outer wall of aluminum body portion exposed part, constitutes copper-aluminium transition ground loop, this copper-aluminium transition ground loop has low production cost, the advantage that electric conductivity is excellent; Further, described layers of copper preferably selects copper pipe, and copper pipe and aluminum body portion are cast into one, can simplify manufacturing procedure like this, reduce production cost further.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present utility model the apparent change of extending out or variation still belong to protection range of the present utility model.

Claims (5)

1. an electricity testing grounding ring, comprises clamp assemblies (1), ground loop (2) and is enclosed within the insulating shield (4) of described clamp assemblies outside; Described clamp assemblies (1) comprises C shape body (11), fixture block (12) and fastening bolt (13), described C shape body (11) is fixedly connected with by described fastening bolt (13) with described fixture block (12), is provided with the grasping part (14) that two are respectively used to grip described ground loop (2) and cable (5) between described C shape body (11) and described fixture block (12); It is characterized in that: described C shape body (11) inner side forms two holding tanks (15), described fixture block (12) is provided with two clamping ramps (16) in an acute angle, described holding tank (15) is bonded described grasping part (14) with corresponding described clamping ramps (16), and the hole described fixture block (12) wearing described fastening bolt (13) is mounting hole.
2. electricity testing grounding ring according to claim 1, it is characterized in that: described fastening bolt (13) is square neck bolt, the square opening that described in the Kong Weiyu described C shape body (11) wearing described C shape body (11), the neck shaped of fastening bolt (13) adapts.
3. electricity testing grounding ring according to claim 2, is characterized in that: described fastening bolt (13) is fixed by socket the anti-falling piece (3) preventing described fastening bolt (13) from coming off from described C shape body (11).
4. electricity testing grounding ring according to claim 3, is characterized in that: form double wedge in the described holding tank (15) gripping described cable (5).
5. electricity testing grounding ring according to any one of claim 1 to 4, it is characterized in that: the body (21) that described ground loop (2) comprises rectangular ring-type and the insulating barrier (22) be coated on described body (21) outer wall, the upper center exposed part of described body (21) is clamped in described grasping part (14), and exposed part exposes in an atmosphere in the middle part of the lower end of described body (21) and in the middle part of the right-hand member of described body (21) or in the middle part of left end.
CN201420787330.5U 2014-12-12 2014-12-12 Electricity testing grounding ring Active CN204205093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420787330.5U CN204205093U (en) 2014-12-12 2014-12-12 Electricity testing grounding ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420787330.5U CN204205093U (en) 2014-12-12 2014-12-12 Electricity testing grounding ring

Publications (1)

Publication Number Publication Date
CN204205093U true CN204205093U (en) 2015-03-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420787330.5U Active CN204205093U (en) 2014-12-12 2014-12-12 Electricity testing grounding ring

Country Status (1)

Country Link
CN (1) CN204205093U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104767153A (en) * 2015-04-30 2015-07-08 自贡市三人实业有限公司 Intelligent insulation wire puncturing grounding clamp
CN106058510A (en) * 2016-05-19 2016-10-26 广东粤创电力科技有限公司 Electrical inspection grounding interface general device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104767153A (en) * 2015-04-30 2015-07-08 自贡市三人实业有限公司 Intelligent insulation wire puncturing grounding clamp
CN104767153B (en) * 2015-04-30 2017-03-22 自贡市三人实业有限公司 Intelligent insulation wire puncturing grounding clamp
CN106058510A (en) * 2016-05-19 2016-10-26 广东粤创电力科技有限公司 Electrical inspection grounding interface general device
CN106058510B (en) * 2016-05-19 2018-08-31 广东粤创电力科技有限公司 Electrical verification ground interface fexible unit

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