CN105067174A - Isolation switch contact pressure measuring device - Google Patents
Isolation switch contact pressure measuring device Download PDFInfo
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- CN105067174A CN105067174A CN201510456322.1A CN201510456322A CN105067174A CN 105067174 A CN105067174 A CN 105067174A CN 201510456322 A CN201510456322 A CN 201510456322A CN 105067174 A CN105067174 A CN 105067174A
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- contact
- isolation switch
- connecting rod
- hole
- static contact
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Abstract
The invention provides an isolation switch contact pressure measuring device which comprises a base. Two sides of the base are respectively equipped with a positioning assembly for fixing the moving contact of an isolation switch to be detected and a telescoping drive assembly for driving simulated static contact and moving contact to connect or disconnect. The action end of the telescoping drive assembly is connected to one end of a guide rod. The middle part of the base is equipped with a guide seat. The guide rod goes through the guide hole of the guide seat. The other end of the guide rod is equipped with a simulated static contact bracket. The simulated static contact is fixed by the simulated static contact bracket. The simulated static contact is equipped with a pressure sensor for detecting the pressure when the simulated static contact and moving contact are closed and connected. The invention provides isolation switch contact pressure measuring device with high accuracy and good practicality.
Description
Technical field
The present invention relates to disconnector field, especially a kind of isolation switch contact device for pressure measurement.
Background technology
Contact pressure is the important indicator of disconnector quality, affects the on/off switch speed of switch, spring and loop resistance, and the power requirement of operating mechanism.At present, do not have contact pressure (clamping force) detection method of specialty, by means of only the loop resistance determination clamping force requirement of measuring switch combined floodgate, but the factor affecting loop resistance is a lot, can not accurately judge.
Summary of the invention
In order to overcome the deficiency that accuracy is not high, practicality is poor of existing isolation switch contact pressure survey mode, the invention provides the isolation switch contact device for pressure measurement that a kind of accuracy is higher, practicality is good.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of isolation switch contact device for pressure measurement, described measurement mechanism comprises pedestal, described pedestal both sides are installed for the positioning component of the moving contact of fixing disconnector to be detected with for the telescopic drive assembly closed with dynamic simulated static contact and moving contact or disconnect respectively, the described motion end of telescopic drive assembly is connected with one end of guide pole, guide holder is installed at the middle part of described pedestal, described guide pole is through the pilot hole of described guide holder, the other end of described guide pole installs simulation contact supporting, described simulation contact supporting fixes described simulation static contact, described simulation static contact is installed the pressure transducer for detecting the pressure when simulation static contact and moving contact close grafting.
Further, the end of described simulation static contact is provided with through hole, and end is can two parts up and down of folding by described through hole, and the bottom of described through hole connects with the face of cylinder, installs the pressure transducer being used for pressure when perception end capacity compression closes in the described face of cylinder.
Further again, the extension line of the center line of described through hole is positioned at the described face of cylinder diametrically, described pressure transducer is foil gauge, and described foil gauge is attached to the inwall on the described face of cylinder, and described foil gauge being arranged symmetrically with away from centered by the other end of through hole by described face of cylinder diameter.Which is a preferred scheme.
Further, described simulation static contact comprises afterbody and contact block, and described contact block and described caudal anterior are provided with through hole, and the middle part of described afterbody is provided with the face of cylinder.This structure is preferred a kind of structure, also can adopt other structures.
Described telescopic drive assembly comprises handle, first connecting rod, hinge seat, second connecting rod and push rod, described handle is fixedly mounted on the upper end of first connecting rod, the lower end of described first connecting rod is hinged on hinge seat, described hinge seat is fixed on described pedestal, the middle part of described first connecting rod and one end of described second connecting rod hinged, the other end and the described push rod of described second connecting rod are hinged, and described push rod is fixedly connected with described guide pole.Also other telescopic drive modes can be adopted.
Described positioning component is two register pins of the moving contact for fixing disconnector to be detected.Also other locator meamss can be selected.
Beneficial effect of the present invention is mainly manifested in: accuracy is higher, practicality is good.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of isolation switch contact device for pressure measurement.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the test mode schematic diagram of isolation switch contact device for pressure measurement.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
With reference to Fig. 1 ~ Fig. 3, a kind of isolation switch contact device for pressure measurement, described measurement mechanism comprises pedestal 1, described pedestal 1 both sides are installed for the positioning component of the moving contact of fixing disconnector to be detected with for the telescopic drive assembly closed with dynamic simulated static contact and moving contact or disconnect respectively, the motion end of described telescopic drive assembly is connected with one end of guide pole 9, guide holder 10 is installed at the middle part of described pedestal 1, described guide pole 9 is through the pilot hole of described guide holder 10, the other end of described guide pole 9 installs simulation contact supporting 16, described simulation contact supporting 16 fixes described simulation static contact 15, described simulation static contact 15 is installed the pressure transducer for detecting the pressure when simulation static contact and moving contact close grafting.
Further, the end of described simulation static contact 15 is provided with through hole, and end is can two parts up and down of folding by described through hole, and the bottom of described through hole connects with the face of cylinder, installs the pressure transducer being used for pressure when perception end capacity compression closes in the described face of cylinder.
Further again, the extension line of the center line of described through hole is positioned at the described face of cylinder diametrically, described pressure transducer is foil gauge, and described foil gauge is attached to the inwall on the described face of cylinder, and described foil gauge being arranged symmetrically with away from centered by the other end of through hole by described face of cylinder diameter.Which is a preferred scheme.
Further, described simulation static contact 15 comprises afterbody and contact block, and described contact block and described caudal anterior are provided with through hole, and the middle part of described afterbody is provided with the face of cylinder.This structure is preferred a kind of structure, also can adopt other structures.
Described telescopic drive assembly comprises handle 6, first connecting rod 5, hinge seat 2, second connecting rod 7 and push rod 8, described handle 6 is fixedly mounted on the upper end of first connecting rod 5, the lower end of described first connecting rod 5 is hinged on hinge seat 2, described hinge seat 2 is fixed on described pedestal 1, the middle part of described first connecting rod 5 and one end of described second connecting rod 7 hinged, the other end and the described push rod 8 of described second connecting rod 7 are hinged, and described push rod 8 is fixedly connected with described guide pole 9.Also other telescopic drive modes can be adopted.
Described positioning component is two register pins of the moving contact for fixing disconnector to be detected, and the distance between the first register pin 12 and the second register pin 13, two register pins and the distance between two contact pivot pins of the moving contact of disconnector to be detected are mated.Also other locator meamss can be selected.
In the present embodiment, moving contact 14 overlaps 1406 by cutting blade 1401, contact pivot pin 1402, lead-in line row 1403, touch spring 1404, spring cup 1405 and pivot pin and forms.When disconnector closes a floodgate, moving contact 14 is to the motion of static contact direction, and static contact inserts in the cutting blade 1401 of moving contact 14, because static contact size is greater than two cutting blade spacing, cutting blade 1401 outwards opens, and touch spring 1404 is compressed, and produces clamping pressure.For measuring the clamping pressure of contact 14, devise simulation static contact 15, contact block is provided with through hole, is provided with foil gauge along the through hole face of cylinder, and surface of contact direction is provided with groove, through with through hole.
Moving contact 14 is entangled the first register pin 12 by Fig. 2 position and the second register pin 13 is placed on pedestal 1, driving handle 6, by the linkage rod slide block mechanism that first connecting rod 5, second connecting rod 7,8 push rod and pedestal 1 are formed, promote simulation contact supporting 16 to move, simulation static contact 15 is injected in moving contact 14.Simulation static contact 15 is by clamping force, and its groove opening size changes, and foil gauge is stretched, and foil gauge resistance is changed, and obtains clamping force value by instrument measurement.
Simulation contact working position original dimension be greater than actual static contact, its difference should equal stressed after variable quantity; The contact pressure of actual static contact can be measured so accurately.
Claims (6)
1. an isolation switch contact device for pressure measurement, it is characterized in that: described measurement mechanism comprises pedestal, described pedestal both sides are installed for the positioning component of the moving contact of fixing disconnector to be detected with for the telescopic drive assembly closed with dynamic simulated static contact and moving contact or disconnect respectively, the described motion end of telescopic drive assembly is connected with one end of guide pole, guide holder is installed at the middle part of described pedestal, described guide pole is through the pilot hole of described guide holder, the other end of described guide pole installs simulation contact supporting, described simulation contact supporting fixes described simulation static contact, described simulation static contact is installed the pressure transducer for detecting the pressure when simulation static contact and moving contact close grafting.
2. isolation switch contact device for pressure measurement as claimed in claim 1, it is characterized in that: the end of described simulation static contact is provided with through hole, end is can two parts up and down of folding by described through hole, the bottom of described through hole connects with the face of cylinder, installs the pressure transducer being used for pressure when perception end capacity compression closes in the described face of cylinder.
3. isolation switch contact device for pressure measurement as claimed in claim 2, it is characterized in that: the extension line of the center line of described through hole is positioned at the described face of cylinder diametrically, described pressure transducer is foil gauge, described foil gauge is attached to the inwall on the described face of cylinder, and described foil gauge being arranged symmetrically with away from centered by the other end of through hole by described face of cylinder diameter.
4. isolation switch contact device for pressure measurement as claimed in claim 2 or claim 3, it is characterized in that: described simulation static contact comprises afterbody and contact block, described contact block and described caudal anterior are provided with through hole, and the middle part of described afterbody is provided with the face of cylinder.
5. the isolation switch contact device for pressure measurement as described in one of claims 1 to 3, it is characterized in that: described telescopic drive assembly comprises handle, first connecting rod, hinge seat, second connecting rod and push rod, described handle is fixedly mounted on the upper end of first connecting rod, the lower end of described first connecting rod is hinged on hinge seat, described hinge seat is fixed on described pedestal, the middle part of described first connecting rod and one end of described second connecting rod hinged, the other end and the described push rod of described second connecting rod are hinged, and described push rod is fixedly connected with described guide pole.
6. the isolation switch contact device for pressure measurement as described in one of claims 1 to 3, is characterized in that: described positioning component is two register pins of the moving contact for fixing disconnector to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456322.1A CN105067174B (en) | 2015-07-29 | 2015-07-29 | Isolation switch contact device for pressure measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456322.1A CN105067174B (en) | 2015-07-29 | 2015-07-29 | Isolation switch contact device for pressure measurement |
Publications (2)
| Publication Number | Publication Date |
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| CN105067174A true CN105067174A (en) | 2015-11-18 |
| CN105067174B CN105067174B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510456322.1A Active CN105067174B (en) | 2015-07-29 | 2015-07-29 | Isolation switch contact device for pressure measurement |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409573A (en) * | 2016-10-08 | 2017-02-15 | 国网新疆电力公司电力科学研究院 | Field installation detection method for dual-column horizontal opening-closing isolation switch based on force-measuring contact |
| CN106441688A (en) * | 2016-10-27 | 2017-02-22 | 湖南长高高压开关有限公司 | Adjustable isolating switch clamping force measuring device |
| CN107655602A (en) * | 2016-07-25 | 2018-02-02 | 成都太微电子科技有限公司 | A kind of gauge head for being used to measure chucking power |
| CN107728054A (en) * | 2017-11-13 | 2018-02-23 | 上海天灵开关厂有限公司 | A kind of detection means of double motion head vacuum arc-extinguishing chamber contact pressure and positional distance |
| CN107830962A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type and method |
| CN109596887A (en) * | 2018-12-10 | 2019-04-09 | 河南平高通用电气有限公司 | A kind of pole loop resistance test tool |
| CN113884291A (en) * | 2021-09-29 | 2022-01-04 | 广东电网有限责任公司 | Isolating switch mechanical life testing device |
| CN116893339A (en) * | 2023-08-10 | 2023-10-17 | 湘南学院 | High-voltage isolating switch fault diagnosis device |
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| CN201122116Y (en) * | 2007-11-21 | 2008-09-24 | 西安电力机械制造公司 | Measuring apparatus for contact pressure of isolating switch contact head |
| JP2010271294A (en) * | 2009-05-20 | 2010-12-02 | Ami Techno Ltd | Contact-pressure measuring method of air filling type |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655602A (en) * | 2016-07-25 | 2018-02-02 | 成都太微电子科技有限公司 | A kind of gauge head for being used to measure chucking power |
| CN107655602B (en) * | 2016-07-25 | 2023-12-12 | 成都太微电子科技有限公司 | Measuring head for measuring clamping force |
| CN106409573A (en) * | 2016-10-08 | 2017-02-15 | 国网新疆电力公司电力科学研究院 | Field installation detection method for dual-column horizontal opening-closing isolation switch based on force-measuring contact |
| CN106441688A (en) * | 2016-10-27 | 2017-02-22 | 湖南长高高压开关有限公司 | Adjustable isolating switch clamping force measuring device |
| CN107728054A (en) * | 2017-11-13 | 2018-02-23 | 上海天灵开关厂有限公司 | A kind of detection means of double motion head vacuum arc-extinguishing chamber contact pressure and positional distance |
| CN107728054B (en) * | 2017-11-13 | 2020-04-17 | 上海天灵开关厂有限公司 | Detection apparatus for double-moving-head vacuum arc-extinguishing chamber contact pressure and position distance |
| CN107830962A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type and method |
| CN107830962B (en) * | 2017-12-13 | 2023-12-26 | 湖南长高高压开关有限公司 | Method for monitoring temperature and clamping force of isolating switch |
| CN109596887A (en) * | 2018-12-10 | 2019-04-09 | 河南平高通用电气有限公司 | A kind of pole loop resistance test tool |
| CN113884291A (en) * | 2021-09-29 | 2022-01-04 | 广东电网有限责任公司 | Isolating switch mechanical life testing device |
| CN116893339A (en) * | 2023-08-10 | 2023-10-17 | 湘南学院 | High-voltage isolating switch fault diagnosis device |
| CN116893339B (en) * | 2023-08-10 | 2024-05-28 | 湘南学院 | High-voltage isolating switch fault diagnosis device |
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| CN105067174B (en) | 2018-10-12 |
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