CN103441352B - Electricity cabinet earth connection - Google Patents
Electricity cabinet earth connection Download PDFInfo
- Publication number
- CN103441352B CN103441352B CN201310364542.2A CN201310364542A CN103441352B CN 103441352 B CN103441352 B CN 103441352B CN 201310364542 A CN201310364542 A CN 201310364542A CN 103441352 B CN103441352 B CN 103441352B
- Authority
- CN
- China
- Prior art keywords
- snap ring
- binding clip
- fusion tube
- electric cabinet
- arc section
- 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.)
- Active
Links
- 230000005611 electricity Effects 0.000 title description 5
- 230000004927 fusion Effects 0.000 claims abstract description 49
- 238000009413 insulation Methods 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 210000002421 cell wall Anatomy 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Abstract
The present invention relates to work about electric power security technology area, in particular to the electric cabinet earth connection of one, comprise ringent binding clip, insulation arm, described binding clip is fixed on the front end of insulation arm and forms plug-in with fusion tube upper end and coordinate, one end of annealed copper wire is fixed on described binding clip, the other end is fixed on ground connections, and described ground connections is fixedly connected with the earth electrode of electric cabinet.Operating personnel grip insulation arm and binding clip are directly stuck in fusion tube upper end, without the need to taking off fusion tube in whole process, concerning very safe operating personnel; In addition, binding clip directly engages with fusion tube upper end, very convenient compared to its installation of prior art.
Description
Technical field
The present invention relates to work about electric power security technology area, particularly the electric cabinet earth connection of one.
Background technology
In electric power system, earth connection is the important tool in order to ensure staff when unexpectedly there is voltage on the equipment had a power failure and circuit.When safety measure is arranged in engineering construction, the upper end of fusion tube is connected with bus, and lower end is connected with load side by copper bar.Existing ground wire hitching position is all use for the position that wire, cable equal diameter are thinner, can directly be articulated on the copper bar of fusion tube lower end.But when ground wire hitching is fusion tube lower end on copper bar, fusion tube fuses by bus bar side incoming call, and bus bar side is ground connection no longer, with regard to the personal safety of the operating personnel in entail dangers to working range.Therefore, must by ground wire hitching in fusing upper end.
Due to the structural limitations at existing ground wire hitching position, can not directly be articulated in fusion tube upper end, must first fusion tube be taken off, then by ground wire hitching on the fixture of fusion tube upper end.Do like this and there is following deficiency: 1, take off in the process of fusion tube the risk needing to bear incoming call suddenly; 2, comparatively loaded down with trivial details during mounting, inconvenient operation.
Summary of the invention
The object of the present invention is to provide a kind of electric cabinet earth connection, fully ensure that workmen is safe and easy to operate.
For realizing above object, the technical solution used in the present invention is: a kind of electric cabinet earth connection, comprise ringent binding clip, insulation arm, described binding clip is fixed on the front end of insulation arm and forms plug-in with fusion tube upper end and coordinate, one end of annealed copper wire is fixed on described binding clip, the other end is fixed on ground connections, and described ground connections is fixedly connected with the earth electrode of electric cabinet.
Compared with prior art, there is following technique effect in the present invention: operating personnel grip insulation arm and binding clip is directly stuck in fusion tube upper end, without the need to taking off fusion tube in whole process, concerning very safe operating personnel; In addition, binding clip directly engages with fusion tube upper end, very convenient compared to its installation of prior art.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is tong head schematic diagram;
Fig. 3 is Snap ring structure schematic diagram;
Fig. 4 is snap ring released state schematic diagram;
Fig. 5 is snap ring hinged place close-up schematic view, and top is end face A and step surface B is curved surface, and below is end face A and step surface B is inclined-plane, and left side is the normal condition of snap ring, and right side is the state that snap ring is in maximum opening degree;
Fig. 6 is ground connections structural representation.
Embodiment
Below in conjunction with Fig. 1 to Fig. 6, the present invention is described in further detail.
Consult Fig. 1, a kind of electric cabinet earth connection, comprise ringent binding clip 10, insulation arm 20, described binding clip 10 is fixed on one end of insulation arm 20 and forms plug-in with fusion tube upper end and coordinate, one end of annealed copper wire 30 is fixed on described binding clip 10, the other end is fixed on ground connections 40, and described ground connections 40 is fixedly connected with the earth electrode of electric cabinet.In use, after equipment electrical verification, first the earth electrode of ground connections 40 with electric cabinet is connected mutually, then insulating gloves is put on, hand-held insulation arm 20, ringent binding clip 10 is connected to the upper end of fusion tube, what the openings of sizes of this binding clip 10 was arranged matches with fusion tube upper end diameter, so that need not dismantle the connection that namely fusion tube completes earth connection.Here insulation arm adopts dielectric strength high, lightweight and robust 10kV dielectric resin material, more laborsaving during guarantee mounting.
Consult Fig. 2, as preferred version of the present invention, described binding clip 10 comprises snap ring 11, spring leaf 12, snap ring 11 is overall U-shaped, comprise two straight sections 111,112 and connect the arc section 113 of two straight sections 111,112, described straight section 111,112 and arc section 113 tangent, under normality and unused state, two straight sections 111,112 are parallel to each other as the best, and also namely arc section 113 is semi-annular shape.Spacing and the fusion tube upper end diameter of two straight sections 111,112 match, described here matching is for best slightly larger than a bit, spring leaf 12 is fixed on inside snap ring 11, here as shown in Figure 2, spring leaf 12 relies on the elastic deformation formation of itself to coordinate the plug-in of fusion tube upper end in inner side.Here snap ring 11 being divided into two straight sections, 111,112 and arc section 113 is for the ease of describing its structure, straight section 111,112 and arc section 113 can be that integral type is made, in addition, long without the need to what straight section 111,112 was arranged, with the radius length of arc section 113 almost.The body of snap ring 11 is rigidity, and flexure strip 12 is flexible, and both coordinate the engaging formed fusion tube upper end.
Consult Fig. 3, Fig. 4, if snap ring 11 is rigid unitary, then it does not possess adjustability, and snap ring 11 is not probably because foozle is mated with the upper end of fusion tube.Therefore, more preferably, the arc section 113 of described snap ring is divided into two sections, straight section 111,112 integral type that each arc section 113a, 113b are corresponding is with it made, two hinged aperture pitch of snap ring 11 that make of arc section 113a, 113b are adjustable, and described is provided with locating part restriction snap ring 11 maximum opening degree between two arc sections 113a, 113b.Snap ring 11 is too many without difference with the opening size under normality when maximum opening degree, has appropriate adjustment.
Locating part above can have multiple arrangement, here the comparatively simple scheme of one is provided as a reference: described snap ring 11 cross section is square, two arc section 113a, the 113b Width being in snap ring 11 that is hinged is step-like, the end face A of one of them arc section 113b and the step surface B of another one arc section 113a is curved surface or inclined plane shape, the Internal periphery that described end face A and step surface B intersects at snap ring 11 is sentenced and is limited snap ring 11 opening and reduce, as shown in two figure on the left of Fig. 5, the lateral edges that end face A is positioned at snap ring 11 outline place is resisted against on step surface B to limit the increase of snap ring 11 opening after jointed shaft rotates, as shown in two figure on the right side of Fig. 5.The step surface of arc section 113b and the end face of arc section 113a do not limit, and in the present embodiment, being arranged in these two faces take jointed shaft as the cambered surface in the center of circle, and these two faces can not form spacing cooperation, as shown in Figure 4.Like this, by simple structure of modification, namely end face A and step surface B curved surface or inclined-plane different, can realize spacing cooperation, this position limiting structure, without the need to using other parts, just does and improves slightly on arc section 113a, 113b.
Consult Fig. 5, the two states of above Fig. 5 two figure when corresponding end face A and step surface B is curved surface respectively, two figure of below two states when corresponding end face A and step surface B is inclined-plane respectively.Certainly also have that end face A is curved surface, step surface B is the situation on inclined-plane, repeat no more, as long as can ensure that having local to be resisted against on step surface B at the rear end face A that rotates to an angle forms spacing cooperation herein.In addition, the layout by adjusting end face A and step surface B can realize the adjustment of snap ring 11 maximum opening degree.
Consult Fig. 2 again, a kind of preferred version is provided: described spring leaf 12 is postponed the disposed inboard of snap ring 11 to the structure of the spring leaf 12 in the present embodiment, the spring leaf 12 being positioned at two straight sections 111,112 place to be fixed on snap ring 11 and its body convex formation first projection 121, two the first projections 121 are arranged in opposite directions, and the minimum range of two projections 121 is less than the diameter of fusion tube upper end.Like this, when binding clip 10 is fastened on fusion tube upper end, the diameter due to fusion tube upper end is greater than the minimum range of two the first projections 121, and when binding clip 10 engages fusion tube upper end, the stressed generation deformation of the first protruding 121 meeting, ensures that fusion tube upper end falls into snap ring 11; And after engaging, the elastic restoring force of the first projection 121 makes its initial condition, restriction binding clip 10 is separated with fusion tube upper end.
Equally, due to fusion tube upper end diameter and binding clip 10 diameter, slightly error or spring leaf 12 Long-Time Service can produce the impact of the factors such as deformation, in order to ensure that fusion tube can tightly be blocked in binding clip 10, here a kind of preferred scheme is provided: described insulation arm 20 one end is provided with thread segment 21, the screwed hole 114 that this thread segment 21 and snap ring 11 1 right-angle sides 111 are arranged forms threaded engagement, the thread segment 21 of insulation arm 20 extends to inside snap ring 11, and the spring leaf 12 being positioned at screwed hole 114 place is fixedly connected with the termination of thread segment 21.Like this, just by rotating insulation arm 20, the engaging tightness of regulating spring sheet 12 can be carried out.
We know, if the upper end loose contact of binding clip 10 and fusion tube, it is equal to unearthed or earthing effect is poor.Therefore, spring leaf 12 body inside the arc section 113 being positioned at snap ring 11 is furnished with one or more second projection 122, and first and second described projection 121,122 forms the snap action to fusion tube upper end.Such layout makes spring leaf 12 and fusion tube upper end reliable contacts, it should be noted that, the profile that the peak of the second projection 122 encloses is less than fusion tube upper end profile, namely when fusion tube upper end is fastened in binding clip 10, second projection 122 is in deformed state, its elastic restoring force impels spring leaf 12 tightly to embrace fusion tube upper end, contacts very reliable.
Generally all three-phase electricity in electricity cabinet, described binding clip 10, insulation arm 20 have three groups, and one end of corresponding layout three annealed copper wires 30, three annealed copper wires 30 is fixedly connected with a binding clip 10 respectively, be fixed on ground connections 40 after the other end twists into one, as shown in Figure 1.
Arranging of ground connections 40 is generally as follows: described ground connections 40 comprises draw-in groove 41, draw-in groove 41 comprises first and second cell wall 411,412 be parallel to each other, first cell wall 411 arranged outside has projection 42 for fixing described annealed copper wire 30, second cell wall 412 is provided with adjusting bolt 43, threaded engagement between adjusting bolt 43 and the second cell wall 412, adjusting bolt 43 one end extended to inside draw-in groove 41 is connected with pad 44, and pad 44 and the first cell wall 411 form being fixed to electric cabinet earth electrode.This is a kind of ground connection schemes that current electricity earthing cable generally adopts.
For the present embodiment in detail concrete operations flow process is described in detail below: after equipment electrical verification, first the earth electrode of power distribution cabinet is found, ground connections 40 is connected on earth electrode, rotation adjusting bolt 43 reduces the spacing between pad 44 and the first cell wall 411, and ground connections 40 is tightly fixed on earth electrode; Then put on insulating gloves, binding clip 10 is articulated in fusion tube upper end by hand-held insulation arm 20, and fusion tube upper end held tightly by the spring leaf 12 that rotating insulated arm 20 makes.During dismounting, put on insulating gloves, first reverse rotation insulation arm 20, make to produce between spring leaf 12 and fusion tube upper end and loosen, then hold insulation arm 20 binding clip 10 is separated with fusion tube upper end, reverse rotation adjusting bolt 43, ground connections 40 and electric cabinet earth electrode are separated.It should be noted that when being connected on fusion tube upper end by binding clip 10, according to electric power safety code, three-phase carries out from outside to inside successively, is operated in reverse order by binding clip 10, namely carry out successively from inside to outside when fusion tube upper end takes off again.
Claims (6)
1. an electric cabinet earth connection, it is characterized in that: comprise ringent binding clip (10), insulation arm (20), described binding clip (10) is fixed on one end of insulation arm (20) and forms plug-in with fusion tube upper end and coordinate, one end of annealed copper wire (30) is fixed on described binding clip (10), the other end is fixed on ground connections (40), and described ground connections (40) is fixedly connected with the earth electrode of electric cabinet;
Described binding clip (10) comprises snap ring (11), spring leaf (12), snap ring (11) is overall U-shaped, comprise two straight sections (111,112) and connect the arc section (113) of two straight sections (111,112), described straight section (111,112) is tangent with arc section (113), spacing and the fusion tube upper end diameter of two straight sections (111,112) match, spring leaf (12) is fixed on snap ring (11) inner side, and spring leaf (12) relies on the elastic deformation formation of itself to coordinate the plug-in of fusion tube upper end;
The arc section (113) of described snap ring is divided into two sections, straight section (111, the 112) integral type that each arc section (113a, 113b) is corresponding is with it made, two hinged aperture pitch of snap ring (11) that make of arc section (113a, 113b) are adjustable, are provided with locating part restriction snap ring (11) maximum opening degree between two described arc sections (113a, 113b);
Described snap ring (11) cross section is square, two arc section (113a, the Width being in snap ring (11) that 113b) is hinged is step-like, the end face (A) of one of them arc section (113b) and the step surface (B) of another one arc section (113a) are in curved surface or inclined plane shape, the Internal periphery that described end face (A) and step surface (B) intersect at snap ring (11) is sentenced and is limited snap ring (11) opening and reduce, the lateral edges that end face (A) is positioned at snap ring (11) outline place is resisted against on step surface (B) to limit the increase of snap ring (11) opening after jointed shaft rotates.
2. electric cabinet earth connection as claimed in claim 1, it is characterized in that: described spring leaf (12) is postponed the disposed inboard of snap ring (11), the spring leaf (12) being positioned at two straight sections (111,112) place is fixed on snap ring (11) and goes up and its body convex formation first projection (121), two the first projections (121) are arranged in opposite directions, and the minimum range of two the first projections (121) is less than the diameter of fusion tube upper end.
3. electric cabinet earth connection as claimed in claim 2, it is characterized in that: described insulation arm (20) one end is provided with thread segment (21), this thread segment (21) forms threaded engagement with the upper screwed hole (114) arranged of snap ring (11) right-angle sides (111), the thread segment (21) of insulation arm (20) extends to snap ring (11) inner side, and the spring leaf (12) being positioned at screwed hole (114) place is fixedly connected with the termination of thread segment (21).
4. electric cabinet earth connection as claimed in claim 3, it is characterized in that: spring leaf (12) body being positioned at arc section (113) inner side of snap ring (11) is furnished with more than one second projection (122), and described first and second projection (121,122) forms the snap action to fusion tube upper end.
5. the electric cabinet earth connection as described in claim 1 or 4, it is characterized in that: described binding clip (10), insulation arm (20) have three groups, corresponding layout three annealed copper wires (30), one end of three annealed copper wires (30) is fixedly connected with a binding clip (10) respectively, is being fixed on ground connections (40) after the other end twists into one.
6. electric cabinet earth connection as claimed in claim 5, it is characterized in that: described ground connections (40) comprises draw-in groove (41), draw-in groove (41) comprises be parallel to each other first, two cell walls (411, 412), first cell wall (411) arranged outside has projection (42) for fixing described annealed copper wire (30), second cell wall (412) is provided with adjusting bolt (43), threaded engagement between adjusting bolt (43) and the second cell wall (412), one end that adjusting bolt (43) extends to draw-in groove (41) inner side is connected with pad (44), pad (44) and the first cell wall (411) form being fixed to electric cabinet earth electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364542.2A CN103441352B (en) | 2013-08-20 | 2013-08-20 | Electricity cabinet earth connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364542.2A CN103441352B (en) | 2013-08-20 | 2013-08-20 | Electricity cabinet earth connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103441352A CN103441352A (en) | 2013-12-11 |
| CN103441352B true CN103441352B (en) | 2015-11-18 |
Family
ID=49695034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310364542.2A Active CN103441352B (en) | 2013-08-20 | 2013-08-20 | Electricity cabinet earth connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103441352B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928775B (en) * | 2014-03-31 | 2016-10-19 | 国家电网公司 | The substation secondary air switch little ground wire of enclosed type ground connection |
| CN104037516A (en) * | 2014-06-13 | 2014-09-10 | 国网四川省电力公司双流县供电分公司 | Grounding device for high-voltage wire |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201466258U (en) * | 2009-09-08 | 2010-05-12 | 石家庄霞光电力安全设备有限公司 | Special grounding wire for high/low-voltage cable branch box |
| US20110223814A1 (en) * | 2008-04-09 | 2011-09-15 | Panduit Corp. | Beam clamp |
| CN202034506U (en) * | 2011-03-21 | 2011-11-09 | 四川省电力公司攀枝花电业局 | Lead hanging hook of earth wire |
| CN202050065U (en) * | 2011-01-14 | 2011-11-23 | 吴波 | Portable telescoping ground wire insulating rod |
| CN202094325U (en) * | 2011-03-28 | 2011-12-28 | 孙洪伟 | Portable short-circuit grounding wire clip |
| CN203481414U (en) * | 2013-08-20 | 2014-03-12 | 国家电网公司 | Ground wire |
-
2013
- 2013-08-20 CN CN201310364542.2A patent/CN103441352B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110223814A1 (en) * | 2008-04-09 | 2011-09-15 | Panduit Corp. | Beam clamp |
| CN201466258U (en) * | 2009-09-08 | 2010-05-12 | 石家庄霞光电力安全设备有限公司 | Special grounding wire for high/low-voltage cable branch box |
| CN202050065U (en) * | 2011-01-14 | 2011-11-23 | 吴波 | Portable telescoping ground wire insulating rod |
| CN202034506U (en) * | 2011-03-21 | 2011-11-09 | 四川省电力公司攀枝花电业局 | Lead hanging hook of earth wire |
| CN202094325U (en) * | 2011-03-28 | 2011-12-28 | 孙洪伟 | Portable short-circuit grounding wire clip |
| CN203481414U (en) * | 2013-08-20 | 2014-03-12 | 国家电网公司 | Ground wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103441352A (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108258553A (en) | A kind of adapter and adapter assembly | |
| CN103441352B (en) | Electricity cabinet earth connection | |
| CN207884040U (en) | A kind of adapter and adapter assembly | |
| CN203481414U (en) | Ground wire | |
| CN201757760U (en) | Ammeter box | |
| CN204497390U (en) | Power connector | |
| CN110994432A (en) | Tee bend module | |
| CN106911021B (en) | A kind of installation method of power lug | |
| CN102544821B (en) | Portable bolt socket | |
| CN201549609U (en) | Wire clip for conductor end of earth wire for transformer substation | |
| CN208209049U (en) | A kind of Multifunctional grounding wire | |
| CN208423213U (en) | A kind of portable short-circuit grounding wire | |
| CN105071058A (en) | Rapid grounding device for field high-voltage equipment | |
| CN107046197B (en) | A kind of parallel groove clamp | |
| CN208173819U (en) | A kind of Portable short-circuit earthing or grounding means | |
| CN206712058U (en) | A kind of high pressure multimode earthing or grounding means | |
| CN204834898U (en) | Open -air high -tension apparatus uses quick earthing device | |
| CN111146487B (en) | Electric power connection structure capable of self-adapting to deformation of fuel cell stack | |
| CN101702496B (en) | Anti-induced electrical grounding wire device of circuit | |
| CN204538351U (en) | The anti-loosening buckle of three-phase power plug | |
| CN108429026A (en) | A kind of Multifunctional grounding wire | |
| CN106848642B (en) | A kind of power lug | |
| CN109273875A (en) | A kind of conductive chuck of cable termination ground protection line | |
| CN103762517A (en) | High-voltage ground wire installation method | |
| CN103594825A (en) | Double-C-shaped elastic wiring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231013 Address after: 241000, No.18, Zhongshan North Road, Wuhu City, Anhui Province Patentee after: WUHU POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Patentee before: HUANGSHAN POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER Co. |
|
| TR01 | Transfer of patent right |