CN103825112A - Low-voltage cable branch box grounding extending hanging piece and grounding method thereof - Google Patents
Low-voltage cable branch box grounding extending hanging piece and grounding method thereof Download PDFInfo
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- CN103825112A CN103825112A CN201410062964.9A CN201410062964A CN103825112A CN 103825112 A CN103825112 A CN 103825112A CN 201410062964 A CN201410062964 A CN 201410062964A CN 103825112 A CN103825112 A CN 103825112A
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- pitman
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- tapping box
- voltage tapping
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Abstract
The invention relates to a low-voltage cable branch box grounding extending hanging piece which comprises a connecting bar. A threaded hole is formed in the end face of the head of the connecting bar, the peripheral portion of the middle of the connecting bar is concaved towards the center of the connecting bar to form an inward concave portion, a low-voltage grounding hook hung on the inward concave portion is arranged on the inward concave portion, and a square convex portion is arranged on the end face of the tail of the connecting bar to be clamped by a wrench for rotating mounting. The invention further relates to an operating method of the low-voltage cable branch box grounding extending hanging piece. A copper bar is used as the material of the low-voltage cable branch box grounding extending hanging piece, a grounding mounting task can be completed fast, safely and conveniently, and the low-voltage cable branch box grounding extending hanging piece has the advantages of being small, exquisite, light and easy to carry and dismount, is low in manufacturing cost, long in service life and capable of being used continuously more than 5,000 times.
Description
Technical field
The present invention relates to a kind of the earthing of low voltage line device, be specifically related to a kind of low-voltage tapping box ground connection that is applicable to distribution transforming integrated box or low-voltage tapping box and extend suspension member and earthing method thereof.
Background technology
While carrying out overhaul of the equipments, breakdown repair on distribution line, for ensureing repair personnel's personal safety, need to hang earthing device to dead line.But because the effects limit such as narrow space, hypotelorism between the three-phase bus bar of current domestic distribution transforming integrated box or low-voltage tapping box, the earth connection of existing specification cannot be installed, must have a power failure to upper level power supply, remove inlet wire or outlet terminal, not only expand power failure range, cause power supply reliability to decline, and removing in terminal, because the uncertain factor increase of personal injury occurs not yet ground connection of wire.Therefore, need to design a kind of new type grounding device that can install fast at distribution transforming integrated box or low-voltage tapping box earth connection, to meet the demand at different condition, different model distribution transforming integrated box or low-voltage tapping box installing earthing device.
Summary of the invention
In view of this, the object of this invention is to provide a kind of quick detachable, easy to use, safe and reliable, and can be fast, safety, complete easily the installing task of distribution transforming integrated box or low-voltage tapping box earth connection, low-voltage tapping box ground connection prolongation suspension member and the earthing method thereof of increasing work efficiency.
The technical solution used in the present invention is: a kind of low-voltage tapping box ground connection extends suspension member, comprise pitman, the head end of described pitman is provided with screwed hole, the perimembranous at pitman middle part forms inner fovea part to pitman center indent, and described inner fovea part is provided with the low-voltage ground hook hanging on inner fovea part.
Further, the tail end face of described pitman is provided with square protuberance and clamps in order to spanner and rotate installation.
Further, the afterbody of described pitman is provided with the radially lug boss of outwardly convex and comes off to prevent described grounding hook.
Further, described pitman is copper rod.
Simultaneously, the present invention also provides a kind of low-voltage tapping box ground connection to extend the earthing method of suspension member, comprise that low-voltage tapping box ground connection as above extends suspension member, and carry out according to the following steps: (1), according to the specification of bolt on field integrated case or low-voltage tapping box busbar, chooses the pitman that screwed hole diameter matches with described bolt; (2) zero line, A phase, the B phase that pitman are arranged on respectively to integrated box or low-voltage tapping box busbar go up mutually with C, and with the square protuberance on spanner clamping pitman, by pulling clockwise rotational lock; (3) on the pitman of going up mutually at zero line, A phase, B phase and the C of integrated box or low-voltage tapping box busbar respectively, hang up low-voltage ground hook, earth connection installing work completes.
Compared with prior art, the present invention has following beneficial effect: this low-voltage tapping box ground connection extends suspension member take copper rod as material, can complete quick, safely, convenient ground connection installing personage, and there is small and exquisite, light, portable, easily detachable characteristic, this low-voltage tapping box ground connection extends suspension member low cost of manufacture, long service life, can be used more than 5000 times continuously, has the advantages such as practicality is good, efficiency is high, very easily promote, application prospect is extensive.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention organigram;
Fig. 2 is that the embodiment of the present invention is used view;
Number in the figure explanation: the square protuberance 5-of 1-pitman 2-screwed hole 3-inner fovea part 4-lug boss 6-grounding hook 7-busbar 8-bolt.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, below will, by specific embodiment and relevant drawings, the present invention be described in further detail.
As shown in Figure 1 and 2, a kind of low-voltage tapping box ground connection extends suspension member, comprise pitman 1, described pitman 1 is copper rod, the head end of described pitman 1 is provided with screwed hole 2, described screwed hole 2 can with integrated box or low-voltage tapping box busbar 7 on bolt 8 be connected, described screwed hole 2 diameter dimensions, by general international standard design, have respectively the regular size including 12mm, 14mm, 16mm, 18mm, 20mm, 22mm.The perimembranous at pitman 1 middle part forms inner fovea part 3 to pitman center indent, and described inner fovea part 3 is provided with the low-voltage ground hook 6 that can firmly hang on inner fovea part 3, with conducting short circuit current.
In the present embodiment, the tail end face of described pitman 1 is provided with square protuberance 4 and clamps in order to spanner and rotate, and this suspension member is installed on the bolt 8 of distribution transforming integrated box or low-voltage tapping box busbar 7.
In the present embodiment, the afterbody of described pitman 1 is provided with the radially lug boss 5 of phase outer lug and comes off to prevent described grounding hook 6.
This low-voltage tapping box ground connection extends the using method of suspension member: choose the low-voltage tapping box ground connection prolongation suspension member that screwed hole 2 matches with bolt 8 specifications of distribution transforming integrated box or low-voltage tapping box busbar 7, clamp square protuberance 4 with spanner, by pulling clockwise, low-voltage tapping box ground connection is extended to suspension member and be firmly locked on the bolt 8 of integrated box or low-voltage tapping box busbar 7.
As shown in Figure 1 and 2, a kind of low-voltage tapping box ground connection extends the earthing method of suspension member, comprise that low-voltage tapping box ground connection as above extends suspension member, and carry out according to the following steps: (1), according to the specification of bolt 8 on field integrated case or low-voltage tapping box busbar 7, chooses the pitman 1 that screwed hole diameter matches with described bolt; (2) pitman 1 is arranged on respectively on the bolt 8 of zero line, A phase, B phase and C phase of integrated box or low-voltage tapping box busbar 7, and with the square protuberance 4 on spanner clamping pitman, by pulling clockwise rotational lock; (3) on the pitman 1 of going up mutually at zero line, A phase, B phase and the C of integrated box or low-voltage tapping box busbar 7 respectively, hang up low-voltage ground hook 6, earth connection installing work completes.
Above-listed preferred embodiment; the object, technical solutions and advantages of the present invention are further described; institute is understood that; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a low-voltage tapping box ground connection extends suspension member, it is characterized in that: comprise pitman, the head end of described pitman is provided with screwed hole, and the perimembranous at pitman middle part forms inner fovea part to pitman center indent, and described inner fovea part is provided with the low-voltage ground hook hanging on inner fovea part.
2. low-voltage tapping box ground connection according to claim 1 extends suspension member, it is characterized in that: the tail end face of described pitman is provided with square protuberance and clamps in order to spanner and rotate installation.
3. low-voltage tapping box ground connection according to claim 2 extends suspension member, it is characterized in that: the afterbody of described pitman is provided with the radially lug boss of outwardly convex and comes off to prevent described grounding hook.
4. low-voltage tapping box ground connection according to claim 3 extends suspension member, it is characterized in that: described pitman is copper rod.
5. the earthing method of a low-voltage tapping box ground connection prolongation suspension member, it is characterized in that: comprise that low-voltage tapping box ground connection claimed in claim 3 extends suspension member, and carry out according to the following steps: (1), according to the specification of bolt on field integrated case or low-voltage tapping box busbar, chooses the pitman that screwed hole diameter matches with described bolt; (2) zero line, A phase, the B phase that pitman are arranged on respectively to integrated box or low-voltage tapping box busbar go up mutually with C, and with the square protuberance on spanner clamping pitman, by pulling clockwise rotational lock; (3) on the pitman of going up mutually at zero line, A phase, B phase and the C of integrated box or low-voltage tapping box busbar respectively, hang up low-voltage ground hook, earth connection installing work completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062964.9A CN103825112B (en) | 2014-02-25 | 2014-02-25 | A kind of low-voltage tapping box ground connection extends suspension member and earthing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062964.9A CN103825112B (en) | 2014-02-25 | 2014-02-25 | A kind of low-voltage tapping box ground connection extends suspension member and earthing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103825112A true CN103825112A (en) | 2014-05-28 |
| CN103825112B CN103825112B (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410062964.9A Active CN103825112B (en) | 2014-02-25 | 2014-02-25 | A kind of low-voltage tapping box ground connection extends suspension member and earthing method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286928Y (en) * | 1996-10-30 | 1998-07-29 | 孙华方 | Earth pile-head |
| DE202005004308U1 (en) * | 2005-03-17 | 2006-07-27 | Weidmüller Interface GmbH & Co. KG | Ground connection device for a metal profile |
| CN202423571U (en) * | 2011-12-12 | 2012-09-05 | 登封市电业(集团)有限公司 | Multifunctional grounding pipe |
| CN203071418U (en) * | 2013-01-24 | 2013-07-17 | 冀北电力有限公司承德供电公司 | Grounding device for electric switch cabinet and ground stud |
| CN203445250U (en) * | 2013-09-22 | 2014-02-19 | 国家电网公司 | Fixing apparatus for grounding stud |
| CN203707352U (en) * | 2014-02-25 | 2014-07-09 | 国家电网公司 | Low voltage branch box grounding prolongation suspension member |
-
2014
- 2014-02-25 CN CN201410062964.9A patent/CN103825112B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286928Y (en) * | 1996-10-30 | 1998-07-29 | 孙华方 | Earth pile-head |
| DE202005004308U1 (en) * | 2005-03-17 | 2006-07-27 | Weidmüller Interface GmbH & Co. KG | Ground connection device for a metal profile |
| CN202423571U (en) * | 2011-12-12 | 2012-09-05 | 登封市电业(集团)有限公司 | Multifunctional grounding pipe |
| CN203071418U (en) * | 2013-01-24 | 2013-07-17 | 冀北电力有限公司承德供电公司 | Grounding device for electric switch cabinet and ground stud |
| CN203445250U (en) * | 2013-09-22 | 2014-02-19 | 国家电网公司 | Fixing apparatus for grounding stud |
| CN203707352U (en) * | 2014-02-25 | 2014-07-09 | 国家电网公司 | Low voltage branch box grounding prolongation suspension member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103825112B (en) | 2015-10-14 |
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