CN107121570A - The Withstand test device of high-tension switch cabinet point electric contact - Google Patents
The Withstand test device of high-tension switch cabinet point electric contact Download PDFInfo
- Publication number
- CN107121570A CN107121570A CN201710302536.2A CN201710302536A CN107121570A CN 107121570 A CN107121570 A CN 107121570A CN 201710302536 A CN201710302536 A CN 201710302536A CN 107121570 A CN107121570 A CN 107121570A
- Authority
- CN
- China
- Prior art keywords
- insulation sleeve
- swollen
- contact tube
- pawl
- test device
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a kind of Withstand test device.To solve carrying out technical problem existing when switch cubicle point electric contact carries out pressure test at present, the present invention provides a kind of Withstand test device of high-tension switch cabinet point electrical nodes, including insulation sleeve, described insulation sleeve includes canned paragraph and adjustment section, it is connected through a screw thread between the two, contact tube is provided with the inside of insulation sleeve, contact tube front end is provided with several swingable swollen pawls, some swollen pawls are held tightly by garter spring clip, and closing up and bulging for swollen pawl is can control by rotating adjustment section insulation sleeve.Beneficial effects of the present invention are：It is rational in infrastructure, easy to operate, it can be ensured that experiment cable and by the steady contact between test body, it is ensured that high pressure pressure test is smoothed out.
Description
Technical field
The present invention relates to a kind of Withstand test device, a kind of pressure test dress of high-tension switch cabinet point electric contact is specifically referred to
Put.
Background technology
Current high-pressure delivery circuit carries out the connection of point electric contact and cable in a point electricity, switch cubicle using switch cubicle such as
Shown in accompanying drawing 1, the panel 1 of switch cubicle is provided with cable connection cylinder 2, and cable connection cylinder 2 is in frustum structure, in cable connection cylinder
Surface is provided with the screw-threaded counterbore 3 extended to the inside of it.The end of cable 4 is provided with copper pressure nose 5, and copper pressure nose 5 is provided with fixation
Hole 6, in addition to a T-shaped insulation sleeve 7, T-shaped insulation sleeve 7 are three-port structure, and its transverse tube inner chamber is carried and the taper one of cable connection cylinder 2
The taper inner face of cause, cable 4 is located in the vertical tube of T-shaped insulation sleeve, and copper pressure nose 5 passes through transverse tube tube wall, the end of copper pressure nose 5
In the transverse tube of T-shaped insulation sleeve 7, after the transverse tube of T-shaped insulation sleeve 7 is enclosed on cable connection cylinder 2, consolidating on copper pressure nose 5
Determine hole 6 just right with screw-threaded counterbore 3, be fixed copper pressure nose 5 with cable connection cylinder 2 using bolt 8.So connection, can
Guarantee cable is stably connected with cable connection cylinder 2, while being isolated using T-shaped insulation sleeve, height can be prevented again and is pressed
Electricity, sparking.And when carrying out cable connection operation, it is necessary to first carry out pressure-resistant examination respectively to cable connection cylinder 2 and copper pressure nose 5
Test, copper pressure nose 5 when carrying out pressure test due to inside T-shaped insulation sleeve 7, being difficult to enter test cable with copper pressure nose
Row connection, while the connection of test cable and cable connection cylinder is there is also very big technical problem, such as it cannot be guaranteed that experiment cable
Electrion phenomenon occurs with copper press in nose or the reliable and stable contact of cable connection cylinder, process of the test, while also to resistance to
The result of pressure experiment is impacted.
The content of the invention
To solve carrying out technical problem existing when switch cubicle point electric contact carries out pressure test at present, the present invention is carried
For a kind of experimental rig being able to ensure that with copper pressure nose and the reliable and stable contact of cable connection cylinder.
To realize above-mentioned technical purpose, the technical solution adopted by the present invention is：The pressure-resistant examination of high-tension switch cabinet point electrical nodes
Experiment device, it is characterised in that：Including insulation sleeve, described insulation sleeve includes canned paragraph and adjustment section, the canned paragraph insulation sleeve
It is tubulose with adjustment section insulation sleeve, and is connected through a screw thread between the two, contact tube is provided with the inside of insulation sleeve, contact tube
The bottom of canned paragraph insulation sleeve is stretched out in end, and the inwall of the outer wall and canned paragraph insulation sleeve of contact tube is fixed as one；Close
Uniform some groups are hinged riser on the tube wall of contact tube front end, and described every group is hinged riser and includes left riser and right riser；Also wrap
Swollen pawl is included, space of the swollen pawl between the riser of left and right passes through, be connected between swollen pawl and left and right riser by jointed shaft, swollen pawl
Can freely up and down it be swung around jointed shaft, swollen pawl is extended forwardly into outside contact tube front end, and it is swollen outside contact tube front end
Pawl corpus unguis is bent to contact tube axis direction, provided with hoop groove on the corpus unguis of swollen pawl bending segment；The adjustment section insulation sleeve front end
Lumen wall is carried to the inclined-plane of contract, and swollen pawl end is located at adjustment section insulation sleeve front tube intracavitary and offseted with inclined-plane；One
The hoop groove that garter spring is passed sequentially through on each claw is held tightly to several claws formation clip.
Further, the conductive tube wall being hinged on rear side of riser is provided with axial notch corresponding with swollen pawl, described
The corpus unguis of swollen pawl extreme front is provided with the projecting block extended downwardly, and projecting block is injected inside notch.
Further, the front end of the swollen pawl bending segment is reversely bent into horizontal segment, and the end of horizontal segment is folded upward at sticking up
Rise.
Further, the angle between claw bending segment and contact tube axis is 15-45 °.
Further, in addition to disrance sleeve, the cannula cavity of the disrance sleeve front half section is tapered shrinks, separation sleeve
The cannula cavity of pipe second half section is cylindrical cavity, and the internal diameter of cylindrical cavity is consistent with the external diameter of adjustment section insulation sleeve.
Further, the contact tube stretches out the end of canned paragraph insulation sleeve bottom provided with binding post.
Beneficial effects of the present invention are：It is rational in infrastructure, easy to operate, it can be ensured that to test cable and by between test body
It is steadily contacted, it is ensured that high pressure pressure test is smoothed out.
Brief description of the drawings
Accompanying drawing 1 is cable connection cylinder and the structural representation of cable connection in point electric contact in switch cubicle.
The structure sectional view for the Withstand test device that accompanying drawing 2 provides for the present invention.
Accompanying drawing 3 is enlarged drawing at A in accompanying drawing 2.
Accompanying drawing 4 is left-hand view in accompanying drawing 2.
Accompanying drawing 5 is the structural representation of swollen pawl.
Accompanying drawing 6 is the structural representation that copper pressure nose pressure test is carried out using the Withstand test device.
Accompanying drawing 7 is the structural representation that cable connection cylinder pressure test is carried out using the Withstand test device.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is done to the Withstand test device of the present invention high-tension switch cabinet that provides point electric contact
It is described in detail.
Embodiment 1
As shown in Figure 2, the Withstand test device of high-tension switch cabinet point electrical nodes, including insulation sleeve 9, insulation sleeve includes canned paragraph
Insulation sleeve 91 and adjustment section insulation sleeve 92, canned paragraph insulation sleeve 91 are tubulose with adjustment section insulation sleeve 92, using polymer insulation
Material is made, and the end of adjustment section insulation sleeve 92 is threaded head, and the front end of canned paragraph insulation sleeve 91 carries internal thread, adjustment section
Fixation is connected through a screw thread between insulation sleeve 92 and canned paragraph insulation sleeve 91.
As shown in Figure 2, contact tube 10 is provided with the inside of insulation sleeve, canned paragraph insulation sleeve is stretched out in the end of contact tube 10
91 bottom, at the same the end of contact tube 10 be provided with binding post 11, binding post 11 inject contact tube inside and with contact tube 10
It is fixed as one, the inwall of the outer wall and canned paragraph insulation sleeve 91 of contact tube 10 is fixed as one, both can not occur relative turn
It is dynamic, it is only to contact but do not fix between the outer wall and the inwall of adjustment section insulation sleeve 92 of contact tube 10, is insulated when rotating adjustment section
When covering 92, the forward end of adjustment section insulation sleeve 92 can be controlled along before and after contact tube 10 by adjusting the connecting length of thread head
It is mobile.
As shown in Figure 4, close to the front end of contact tube 10 tube wall on uniform 6 groups be hinged riser, every group is hinged riser bag
Include left riser 11 and right riser 12.
As shown in accompanying drawing 3 and accompanying drawing 4, in addition to swollen pawl 13, space of the swollen pawl 13 between the riser of left and right is passed through, swollen pawl with
It is connected between the riser of left and right by jointed shaft 14, swollen pawl 13 can freely up and down be swung around jointed shaft 14.With reference to the institute of accompanying drawing 5
Show, swollen pawl is extended forwardly into outside contact tube front end, and be located at the swollen pawl corpus unguis outside contact tube front end to contact tube axis side
To bending segment 131 is bent to form, the angle formed between bending segment 131 and the axis of contact tube 10 is controlled between 15-45 °,
In the present embodiment, bending angle is 30 °.Provided with hoop groove 15 on the corpus unguis of swollen pawl bending segment 131.
As shown in Figure 3, adjustment section insulation sleeve front end lumen wall is carried to the inclined-plane 16 of contract, the swollen end of pawl 13 position
Offset in adjustment section insulation sleeve front tube intracavitary and with inclined-plane.As shown in accompanying drawing 3 and accompanying drawing 4, garter spring 17 is filled in ring, and it leads to successively
The hoop groove 15 crossed on each claw is held tightly to several claws formation clip.
As shown in accompanying drawing 2 and accompanying drawing 3, when the thread head of adjustment section insulation sleeve 92 is completely into the band of canned paragraph insulation sleeve 91
Behind female end pipe intracavitary portion, the front ends of 6 swollen pawls 13 is closed at the axis of contact tube 10 in the presence of the garter spring 17
Hold together, and when rotating adjustment section insulation sleeve 92 and its thread head is gradually screwed out, adjustment section insulation sleeve 92 is along contact tube 10 to reach
Dynamic, the inside pipe wall inclined-plane 16 in the front-end port of adjustment section insulation sleeve 92 applies pressure to the swollen end of pawl 13, and swollen pawl 13 is around jointed shaft
14 rotate clockwise, and the front end of each swollen pawl 13 outwards bulges；And when rotating backward adjustment section insulation sleeve 92, it is exhausted with adjustment section
Edge covers the rear shifting on the inside pipe wall inclined-plane 16 in 92 front-end ports, and the front end of each swollen pawl 13 is in the presence of garter spring 17 again to guide pipe
10 axial location is closed up.
Operation below by the pressure test process to copper pressure nose to the device is described further.
As shown in Figure 6, swollen pawl 13 and adjustment section insulation sleeve 92 are put in T-shaped insulation by swollen pawl 13 in the state of closing up
In the transverse tube of set 7, the front ends of 6 swollen pawls is put in inside the fixing hole 6 of copper pressure nose 5, rotate adjustment section insulation sleeve 92 make 6 it is swollen
The leading section of pawl 13 distending in fixing hole 6, the swollen front end of pawl 13 is steadily contacted with copper pressure nose 5 formation, now in contact tube 10
Joint test cable can enter horizontal high voltage pressure test on the binding post 11 of end.
Operation below by the pressure test process to cable connection cylinder to the device is described further.
Because the cable connection cylinder in switch cubicle arranges for multiple flat rafts, high pressure directly such as is applied to it and is easy to adjacent
Cable connection cylinder between form high voltage arc, or form high voltage arc between cable connection cylinder and cabinet wall, be that this is being carried out
During cable connection cylinder pressure test, as shown in Figure 7, increase in a disrance sleeve 18, the sleeve pipe of the front half section of disrance sleeve 18
Chamber is tapered to be shunk, and the cannula cavity of disrance sleeve second half section is cylindrical cavity, internal diameter and the adjustment section insulation sleeve 92 of cylindrical cavity
External diameter is consistent.As shown in Figure 6, during operation, disrance sleeve 18 is enclosed on cable connection cylinder 2 with tube chamber one end that taper is shunk
On, while swollen pawl 13 and adjustment section insulation sleeve 92 will be inserted by the other end of disrance sleeve 18, until the front end of 6 swollen pawls is stretched
Enter to inside the screw-threaded counterbore 3 of cable connection cylinder, now, the part of cable connection cylinder 2 and swollen pawl 13 and adjustment section insulation sleeve 92
Body is isolated sleeve pipe 18 and closed, and rotating adjustment section insulation sleeve 92 makes the swollen front end of pawl 13 bulge, the swollen front end of pawl 13 and screw-threaded counterbore 3
Hole wall be in close contact, joint test cable can enter horizontal high voltage pressure test on the binding post 11 of the end of contact tube 10.
Embodiment 2
As shown in Figure 3, axial notch 19 corresponding with swollen pawl 13 is provided with the conductive tube wall being hinged on rear side of riser, simultaneously
As shown in Figure 5, provided with the projecting block 20 extended downwardly, as shown in Figure 3, projecting block on the corpus unguis of the swollen extreme front of pawl 13
20 inject inside notch 19.Increase after above-mentioned technical characteristic, one, swollen pawl 13 are limited in behind the inside of notch 19 by prominent fast 20
Can prevent swollen pawl from integrally swinging, make swollen pawl 13 close up and bulge action it is more steady；Secondly, can solve the problem that contact tube
Limitation of the tube wall to swollen pawl rotation amplitude, enables the swollen front end of pawl 13 to obtain bulging for amplitude peak.
Embodiment 3
As shown in accompanying drawing 3 and accompanying drawing 5, the front end of swollen pawl bending segment 131 is reversely bent into horizontal segment 132, the end of horizontal segment to
Upper bending is tilted.Increase after above-mentioned technical characteristic, after swollen pawl 13 closes up, the horizontal segment 132 of swollen pawl front end can close up to form one
Close to columned cylinder, facilitate the screw-threaded counterbore on swollen pawl front end turnover cable connection cylinder or the fixing hole of copper pressure nose.And
The end of horizontal segment be folded upward at tilt and can make swollen pawl leading section hook it is copper pressure nose fixing hole, or swollen pawl leading section with
The hole inwall formation of screw-threaded counterbore is pressed into contact with.
Claims (6)
1. the Withstand test device of high-tension switch cabinet point electrical nodes, it is characterised in that：Including insulation sleeve, described insulation sleeve includes
Canned paragraph and adjustment section, the canned paragraph insulation sleeve are tubulose with adjustment section insulation sleeve, and are connected through a screw thread between the two,
The inside of insulation sleeve is provided with contact tube, and the bottom of canned paragraph insulation sleeve, the outer wall of contact tube and fixation are stretched out in the end of contact tube
The inwall of section insulation sleeve is fixed as one；Uniform some groups are hinged riser, described every group on the tube wall of close contact tube front end
Being hinged riser includes left riser and right riser；Also include swollen pawl, space of the swollen pawl between the riser of left and right is passed through, swollen pawl and left and right
It is connected between riser by jointed shaft, swollen pawl can freely up and down be swung around jointed shaft, and swollen pawl is extended forwardly into before contact tube
End is outside, and the swollen pawl corpus unguis outside contact tube front end is bent to contact tube axis direction, in the corpus unguis of swollen pawl bending segment
Provided with hoop groove；The adjustment section insulation sleeve front end lumen wall is carried to the inclined-plane of contract, and swollen pawl end is located at adjustment section
Insulation sleeve front tube intracavitary and offseted with inclined-plane；The hoop groove that one garter spring is passed sequentially through on each claw blocks to the formation of several claws
Hoop is held tightly.
2. the Withstand test device of high-tension switch cabinet according to claim 1 point electrical nodes, it is characterised in that：It is described to be hinged
Conductive tube wall on rear side of riser is provided with axial notch corresponding with swollen pawl, the corpus unguis of the swollen pawl extreme front be provided with to
The projecting block of lower extension, projecting block is injected inside notch.
3. the Withstand test device of high-tension switch cabinet according to claim 1 point electrical nodes, it is characterised in that：The swollen pawl
The front end of bending segment is reversely bent into horizontal segment, and the end of horizontal segment is folded upward at tilting.
4. the Withstand test device of high-tension switch cabinet according to claim 1 point electrical nodes, it is characterised in that：Claw is bent
Angle between section and contact tube axis is 15-45 °.
5. the Withstand test device of high-tension switch cabinet according to claim 1 point electrical nodes, it is characterised in that：Also include every
From sleeve pipe, the cannula cavity of the disrance sleeve front half section is tapered to shrink, and the cannula cavity of disrance sleeve second half section is cylinder
Chamber, the internal diameter of cylindrical cavity is consistent with the external diameter of adjustment section insulation sleeve.
6. the Withstand test device of high-tension switch cabinet according to claim 1 point electrical nodes, it is characterised in that：The conduction
The end that pipe stretches out canned paragraph insulation sleeve bottom is provided with binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302536.2A CN107121570A (en) | 2017-05-03 | 2017-05-03 | The Withstand test device of high-tension switch cabinet point electric contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302536.2A CN107121570A (en) | 2017-05-03 | 2017-05-03 | The Withstand test device of high-tension switch cabinet point electric contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107121570A true CN107121570A (en) | 2017-09-01 |
Family
ID=59728021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710302536.2A Pending CN107121570A (en) | 2017-05-03 | 2017-05-03 | The Withstand test device of high-tension switch cabinet point electric contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107121570A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766486A (en) * | 2020-07-31 | 2020-10-13 | 珠海天欧电气有限公司 | Aerify cabinet power frequency withstand voltage test lead device |
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| CN201485133U (en) * | 2009-05-27 | 2010-05-26 | 核工业西南物理研究院 | Mechanical expansion shaft |
| CN101852838A (en) * | 2010-06-18 | 2010-10-06 | 马方俊 | Voltage withstand detection device for external conical equipment casing of high-voltage switch cabinet |
| WO2012067077A1 (en) * | 2010-11-15 | 2012-05-24 | 日本発條株式会社 | Connection terminal |
| CN204666659U (en) * | 2015-03-20 | 2015-09-23 | 云南电网有限责任公司西双版纳供电局 | A kind of high-tension switch cabinet equipment test wiring new tool |
| CN105776003A (en) * | 2016-04-29 | 2016-07-20 | 无锡欧瑞京机电有限公司 | Automatic expanding device used for hoisting and transporting motor stators |
| CN205466010U (en) * | 2016-02-14 | 2016-08-17 | 张群双 | Trade well head disk seat specialized tool |
| CN105864238A (en) * | 2016-06-07 | 2016-08-17 | 长葛市宏锦成电动科技有限公司 | Novel connecting piece |
| CN205509176U (en) * | 2016-04-21 | 2016-08-24 | 宋建龙 | Power cable connector |
-
2017
- 2017-05-03 CN CN201710302536.2A patent/CN107121570A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201485133U (en) * | 2009-05-27 | 2010-05-26 | 核工业西南物理研究院 | Mechanical expansion shaft |
| CN101852838A (en) * | 2010-06-18 | 2010-10-06 | 马方俊 | Voltage withstand detection device for external conical equipment casing of high-voltage switch cabinet |
| WO2012067077A1 (en) * | 2010-11-15 | 2012-05-24 | 日本発條株式会社 | Connection terminal |
| CN204666659U (en) * | 2015-03-20 | 2015-09-23 | 云南电网有限责任公司西双版纳供电局 | A kind of high-tension switch cabinet equipment test wiring new tool |
| CN205466010U (en) * | 2016-02-14 | 2016-08-17 | 张群双 | Trade well head disk seat specialized tool |
| CN205509176U (en) * | 2016-04-21 | 2016-08-24 | 宋建龙 | Power cable connector |
| CN105776003A (en) * | 2016-04-29 | 2016-07-20 | 无锡欧瑞京机电有限公司 | Automatic expanding device used for hoisting and transporting motor stators |
| CN105864238A (en) * | 2016-06-07 | 2016-08-17 | 长葛市宏锦成电动科技有限公司 | Novel connecting piece |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766486A (en) * | 2020-07-31 | 2020-10-13 | 珠海天欧电气有限公司 | Aerify cabinet power frequency withstand voltage test lead device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170901 |