CN203455445U - Switchgear bushing withstand voltage test device - Google Patents
Switchgear bushing withstand voltage test device Download PDFInfo
- Publication number
- CN203455445U CN203455445U CN201320571143.9U CN201320571143U CN203455445U CN 203455445 U CN203455445 U CN 203455445U CN 201320571143 U CN201320571143 U CN 201320571143U CN 203455445 U CN203455445 U CN 203455445U
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- silica gel
- gel sheath
- switch cubicle
- test device
- screw rod
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Abstract
The utility model provides a switchgear bushing withstand voltage test device connected with a switchgear bushing, and the test device comprises a silicon rubber sleeve, a screw and a pressing block, wherein a lower end of the silicon rubber sleeve is sleeved on the switchgear bushing, one end of the screw is inserted in the silicon rubber sleeve and connected with the switchgear bushing, the other end of the screw is extended from the silicon rubber sleeve and used for introducing a high voltage, and the pressing block is embedded into the screw and disposed on an upper end of the silicon rubber sleeve. The switchgear bushing withstand voltage test device is simple and reasonable in structure, safe and reliable, and convenient to use and install, and test cost and production cost are reduced compared with a traditional test cable. The switchgear bushing withstand voltage test device is wide in applicability, and is applicable to withstand voltage tests for 35kV or below switchgears, thereby facilitating widely popularizing the switchgear bushing withstand voltage test device.
Description
Technical field
The utility model relates to a kind of electric cable fitting, more particularly, relates to a kind of test unit of switch cubicle sleeve pipe.
Background technology
In 35kV and following switchgear, its sleeve pipe generally adopts outer bevel-type sleeve structure, and need to carry out resistance test to switch cubicle sleeve pipe.At present, the outer bevel-type sleeve pipe resistance test of switch cubicle is generally adopted to test cable.Wherein, test cable is one section of cable, one end assembling outer cone separable connector, other end assembling terminal.When switch cubicle is carried out to resistance test, outer cone separable connector need to be connected with switch cubicle sleeve pipe, from the terminal of opposite side, introduce high pressure and carry out withstand voltage test.
The problem that adopts said method mainly to exist is: although adopt the method for test cable to carry out effective resistance test to switch cubicle sleeve pipe, have the problem that testing cost is higher.Because test cable is comprised of cable, separable connector and terminal three parts, this structure causes testing cost greatly to improve; And test cable assembling is complicated, rigging position is underaction also, and the use of a lot of occasions can be restricted, and causes realizing the object of fast detecting, thereby improves the difficulty of cable construction.
Therefore, need a kind of flexible for installation, easy to use, with low cost, stable performance of exploitation and be applicable to 35kV and following switchgear carries out the test unit of resistance test, to meet the requirement of switch cubicle.
Utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, provide a kind of rational in infrastructure, safe and reliable, install and use switch cubicle Withstand test device of sleeve convenient and that cost is low; This test unit can carry out resistance test to 35kV and following switchgear, is conducive to extensively universal and popularization.
In order to achieve the above object, the utility model is achieved by following technical proposals: a kind of switch cubicle Withstand test device of sleeve, be connected with switch cubicle sleeve pipe, and it is characterized in that: comprise silica gel sheath, screw rod and briquetting; The lower end of described silica gel sheath and switch cubicle sleeve pipe socket-connect; Described screw rod one end is interted and is connected in silica gel sheath and with switch cubicle sleeve pipe, and it is outer for introducing high pressure that the other end stretches out silica gel sheath; Described briquetting is inserted in and is arranged on silica gel sheath upper end from the screw rod other end.
By such scheme, test unit is directly joined with the tipping of switch cubicle casing pipe sleeve, more can realize switch cubicle sleeve pipe is carried out to effective resistance test test from the other end end introducing high pressure of screw rod.This test unit is connected to form by silica gel sheath, screw rod and briquetting, and it is simple and reasonable, compares and has reduced experimentation cost and production cost with traditional test cable; This test unit installation, easy to use simultaneously, reliability is high, thereby increases work efficiency.
More particularly, the xsect of described silica gel sheath is " protruding " font, its lower end inner chamber flare; Described screw rod two ends are helicitic texture.The xsect of silica gel sheath facilitates on its sleeve pipe that is arranged on switch cubicle for " protruding " font.During breakdown test, the cast handle that staff can hold silica gel sheath top is socketed in silica gel sheath on the sleeve pipe of switch cubicle.Silica gel sheath lower end inner chamber flare can with the socket that matches of outer bevel-type sleeve pipe.Screw rod two ends are the assembling that helicitic texture facilitates itself and sleeve pipe and briquetting.
The socket-connect inner chamber of the lower end flare that refers to silica gel sheath of the lower end of described silica gel sheath and switch cubicle sleeve pipe coordinates with the outer bevel-type sleeve interference of switch cubicle.This structure is calculated design by analysis of electric field software, to meet the requirement of voltage tester.
Described screw rod one end is interted and is connected and refers in silica gel sheath and with switch cubicle sleeve pipe, and screw rod one end penetrates in silica gel sheath and with the conductor screw of switch cubicle sleeve pipe and is threaded from the upper end of silica gel sheath.One end of the utility model screw rod is connected the position of realizing screw rod through silica gel sheath and fixes with switch cubicle casing threads.
In order to realize better the utility model, the xsect of described briquetting is " T " font, along the center line of briquetting, offers the screw matching with screw rod other end screw thread, and the other end of screw rod stretches out from screw.Being designed with of briquetting is beneficial to it and is connected with screw rod with silica gel sheath.
Described briquetting is inserted in and is arranged on silica gel sheath upper end from the screw rod other end and refers to, briquetting screws in from the screw rod other end, and its vertical portion screws in silica gel sheath, and its horizontal component is pressed on silica gel sheath upper end.Briquetting can play the effect that is fixed silica gel sheath.
The external diameter of described briquetting horizontal component is identical with the external diameter of silica gel sheath upper end.This structural design can play the effect that increases insulation creep distance.
Describedly along edge, silica gel sheath lower end, be provided with shirt rim.Shirt rim be provided with two benefits: one is the screw that fixed switchgear sleeve pipe can be blocked in shirt rim, in case high pressure discharges to screw place; Another is the fastening force that shirt rim can increase silica gel sheath and outer bevel-type sleeve pipe, makes its more stable being socketed on outer bevel-type sleeve pipe.
Described silica gel sheath is formed by electrically insulating silicone rubber compacting; Described briquetting is nylon briquetting.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, switch cubicle Withstand test device of sleeve of the present utility model simple and reasonable, safe and reliable, install and use conveniently, compare and reduced experimentation cost and production cost with traditional test cable.
2, test unit applicability of the present utility model is wide, can carry out resistance test to 35kV and following switchgear, is conducive to its extensively universal and popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation of switch cubicle Withstand test device of sleeve of the present utility model;
Wherein, 1 is that silica gel sheath, 2 is that screw rod, 3 is that nylon briquetting, 4 is that sleeve pipe, 5 is that shirt rim, 6 is screw.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment
As shown in Figure 1, this test unit is connected with switch cubicle sleeve pipe the structural representation of switch cubicle Withstand test device of sleeve of the present utility model, comprises the silica gel sheath 1, screw rod 2 and the nylon briquetting 3 that by electrically insulating silicone rubber compacting, are formed.Wherein, the xsect of silica gel sheath 1 is " protruding " font, its lower end inner chamber flare and with outer bevel-type sleeve pipe 4 interference fit of switch cubicle.Screw rod 2 two ends are helicitic texture, and its one end penetrates and be threaded with the conductor screw of switch cubicle sleeve pipe 4 to realize the fixing of screw rod 2 from the upper end of silica gel sheath 1, and it is outer for introducing high pressure that its other end stretches out silica gel sheath 1.The xsect of nylon briquetting 3 is " T " font, along the center line of nylon briquetting 3, offers the screw matching with screw rod 2 other end screw threads, and the other end of screw rod 2 stretches out from screw.Nylon briquetting 3 screws in from screw rod 2 other ends, and its vertical portion screws in silica gel sheath 1, and its horizontal component is pressed on silica gel sheath 1 upper end and plays the effect that is fixed silica gel sheath 1.In order to increase the effect of insulation creep distance, the external diameter of nylon briquetting 3 horizontal components is identical with the external diameter of silica gel sheath 1 upper end.
The utility model is provided with shirt rim 5 along silica gel sheath 1 edge, lower end.Shirt rim 5 be provided with two benefits: one is the screw 6 that fixed switchgear sleeve pipe 4 can be blocked in shirt rim 5, in case high pressure is to screw 6 places electric discharge; Another is the fastening force that shirt rim 5 can increase silica gel sheath 1 and outer bevel-type sleeve pipe 4, makes its more stable being socketed on outer bevel-type sleeve pipe 4.
Test unit of the present utility model is simple and reasonable, safe and reliable and install and use conveniently, and this test unit is installed and used like this: during use, first one end of screw rod 2 is screwed into the position of carrying out screw rod 2 in the conductor screw of outer bevel-type sleeve pipe 4 and fixes; Secondly silica gel sheath 1 lower end is socketed on outer bevel-type sleeve pipe 4; Then nylon briquetting 3 is screwed in from screw rod 2 other ends, make its vertical portion screw in silica gel sheath 1 inside, its horizontal component is fixed silica gel sheath 1; Finally from screw rod 2, stretch out the other end introducing high pressure of silica gel sheath 1, can carry out resistance test test to switch cubicle sleeve pipe.The utility model test unit applicability is wide, can carry out resistance test to 35kV and following switchgear.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (9)
1. a switch cubicle Withstand test device of sleeve, is connected with switch cubicle sleeve pipe, it is characterized in that: comprise silica gel sheath, screw rod and briquetting; The lower end of described silica gel sheath and switch cubicle sleeve pipe socket-connect; Described screw rod one end is interted and is connected in silica gel sheath and with switch cubicle sleeve pipe, and it is outer for introducing high pressure that the other end stretches out silica gel sheath; Described briquetting is inserted in and is arranged on silica gel sheath upper end from the screw rod other end.
2. switch cubicle Withstand test device of sleeve according to claim 1, is characterized in that: the xsect of described silica gel sheath is " protruding " font, its lower end inner chamber flare; Described screw rod two ends are helicitic texture.
3. switch cubicle Withstand test device of sleeve according to claim 2, is characterized in that: the socket-connect inner chamber of the lower end flare that refers to silica gel sheath of the lower end of described silica gel sheath and switch cubicle sleeve pipe coordinates with the outer bevel-type sleeve interference of switch cubicle.
4. switch cubicle Withstand test device of sleeve according to claim 2, it is characterized in that: described screw rod one end is interted and is connected and refers in silica gel sheath and with switch cubicle sleeve pipe, screw rod one end penetrates in silica gel sheath and with the conductor screw of switch cubicle sleeve pipe and is threaded from the upper end of silica gel sheath.
5. switch cubicle Withstand test device of sleeve according to claim 2, is characterized in that: the xsect of described briquetting is " T " font, along the center line of briquetting, offers the screw matching with screw rod other end screw thread, and the other end of screw rod stretches out from screw.
6. switch cubicle Withstand test device of sleeve according to claim 5, it is characterized in that: described briquetting is inserted in and is arranged on silica gel sheath upper end from the screw rod other end and refers to, briquetting screws in from the screw rod other end, and its vertical portion screws in silica gel sheath, and its horizontal component is pressed on silica gel sheath upper end.
7. switch cubicle Withstand test device of sleeve according to claim 6, is characterized in that: the external diameter of described briquetting horizontal component is identical with the external diameter of silica gel sheath upper end.
8. according to the switch cubicle Withstand test device of sleeve described in any one in claim 1 to 7, it is characterized in that: edge, described silica gel sheath lower end is provided with shirt rim.
9. switch cubicle Withstand test device of sleeve according to claim 8, is characterized in that: described silica gel sheath is formed by electrically insulating silicone rubber compacting; Described briquetting is nylon briquetting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571143.9U CN203455445U (en) | 2013-09-13 | 2013-09-13 | Switchgear bushing withstand voltage test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571143.9U CN203455445U (en) | 2013-09-13 | 2013-09-13 | Switchgear bushing withstand voltage test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455445U true CN203455445U (en) | 2014-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320571143.9U Expired - Fee Related CN203455445U (en) | 2013-09-13 | 2013-09-13 | Switchgear bushing withstand voltage test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203455445U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866643A (en) * | 2016-05-11 | 2016-08-17 | 广西银河迪康电气有限公司 | Medium-voltage bushing pressure resistance detection tool |
| CN105954661A (en) * | 2016-07-25 | 2016-09-21 | 江苏靖江互感器股份有限公司 | Insulation test device of voltage transformer for high-voltage gas-insulated switchboard |
| CN107144774A (en) * | 2017-06-16 | 2017-09-08 | 广东长牛电气股份有限公司 | A kind of cable termination test device |
| CN110376494A (en) * | 2019-07-24 | 2019-10-25 | 大连北方互感器集团有限公司 | A kind of device for voltage transformer test |
-
2013
- 2013-09-13 CN CN201320571143.9U patent/CN203455445U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866643A (en) * | 2016-05-11 | 2016-08-17 | 广西银河迪康电气有限公司 | Medium-voltage bushing pressure resistance detection tool |
| CN105954661A (en) * | 2016-07-25 | 2016-09-21 | 江苏靖江互感器股份有限公司 | Insulation test device of voltage transformer for high-voltage gas-insulated switchboard |
| CN107144774A (en) * | 2017-06-16 | 2017-09-08 | 广东长牛电气股份有限公司 | A kind of cable termination test device |
| CN110376494A (en) * | 2019-07-24 | 2019-10-25 | 大连北方互感器集团有限公司 | A kind of device for voltage transformer test |
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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: 20140226 Termination date: 20190913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |