CN105067174B - Isolation switch contact device for pressure measurement - Google Patents
Isolation switch contact device for pressure measurement Download PDFInfo
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- CN105067174B CN105067174B CN201510456322.1A CN201510456322A CN105067174B CN 105067174 B CN105067174 B CN 105067174B CN 201510456322 A CN201510456322 A CN 201510456322A CN 105067174 B CN105067174 B CN 105067174B
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- connecting rod
- pressure measurement
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Abstract
A kind of isolation switch contact device for pressure measurement, the measuring device includes pedestal, the pedestal both sides are installed by the positioning component of the moving contact for fixing disconnecting switch to be detected and the telescopic drive component for driving simulation static contact to be closed or disconnect with moving contact respectively, the motion end of the telescopic drive component and one end of guide rod connect, the middle part of the pedestal is installed by guide holder, the guide rod passes through the pilot hole of the guide holder, the other end installation simulation contact supporting of the guide rod, the simulation contact supporting fixes the simulation static contact, pressure sensor of the installation for detecting the pressure when simulating static contact and being closed grafting with moving contact on the simulation static contact.The present invention provides that a kind of accuracy is higher, the good isolation switch contact device for pressure measurement of practicability.
Description
Technical field
The present invention relates to disconnecting switch field, especially a kind of isolation switch contact device for pressure measurement.
Background technology
Contact pressure is the important indicator of disconnecting switch quality, influences on/off switch speed, spring and the loop resistance of switch,
And the power requirement of operating mechanism.Currently, unprofessional contact pressure (clamping force) detection method, only passes through and measures switch
The loop resistance of combined floodgate determines clamping force requirement, but there are many factor for influencing loop resistance, can not accurate judgement.
Invention content
In order to overcome the shortcomings of that the accuracy of existing isolation switch contact pressure measurement mode is not high, practicability is poor, this
Invention provides that a kind of accuracy is higher, the good isolation switch contact device for pressure measurement of practicability.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of isolation switch contact device for pressure measurement, the measuring device include pedestal, and the pedestal both sides are pacified respectively
Fill moving contact for fixing disconnecting switch to be detected positioning component and for drive simulation static contact be closed with moving contact or
The telescopic drive component of disconnection, the motion end of the telescopic drive component and one end of guide rod connect, the middle part of the pedestal
Guide holder is installed, the guide rod passes through the pilot hole of the guide holder, the other end installation simulation contact branch of the guide rod
Frame, the simulation contact supporting fix the simulation static contact, and installation is for detecting when simulation stationary contact on the simulation static contact
The pressure sensor of head and pressure when moving contact closure grafting.
Further, the end of the simulation static contact is equipped with through-hole, and end is openable and closable two up and down by the through-hole
Point, the bottom of the through-hole connects with cylindrical surface, pressure of the installation for perceiving pressure when end capacity compression is closed in the cylindrical surface
Force snesor.
Further, the extension line of the center line of the through-hole is located at the cylindrical surface diametrically, the pressure sensing
Device is foil gauge, and the foil gauge is attached to the inner wall on the cylindrical surface, and the foil gauge is with the separate of the cylindrical surface diameter
It is arranged symmetrically centered on the other end of through-hole.Which is a preferred scheme.
Further, the simulation static contact includes tail portion and contact block, and the contact block is equipped with the caudal anterior
The middle part of through-hole, the tail portion is equipped with cylindrical surface.The structure is a kind of preferred structure, can also use other structures.
The telescopic drive component includes handle, first connecting rod, hinge seat, second connecting rod and push rod, and the handle is fixed
Mounted on the upper end of first connecting rod, the lower end of the first connecting rod is hinged on hinge seat, and the hinge seat is fixed on the base
On seat, the middle part of the first connecting rod and one end of the second connecting rod are hinged, and the other end of the second connecting rod is pushed away with described
Bar is hinged, and the push rod is fixedly connected with the guide rod.Other telescopic drive modes can also be used.
The positioning component is two positioning pins of the moving contact for fixing disconnecting switch to be detected.It can also be selected
His positioning method.
Beneficial effects of the present invention are mainly manifested in：Accuracy is higher, practicability is good.
Description of the drawings
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.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1~Fig. 3, a kind of isolation switch contact device for pressure measurement, the measuring device includes pedestal 1, described
The positioning component of moving contact for fixing disconnecting switch to be detected is installed respectively and for driving simulation static contact in 1 both sides of pedestal
The telescopic drive component for being closed or disconnecting with moving contact, the motion end of the telescopic drive component are connect with one end of guide rod 9,
Guide holder 10 is installed at the middle part of the pedestal 1, and the guide rod 9 passes through the pilot hole of the guide holder 10, the guide rod 9
Other end installation simulation contact supporting 16, the simulation contact supporting 16 fix the simulation static contact 15, the simulation stationary contact
Pressure sensor of the installation for detecting the pressure when simulating static contact and being closed grafting with moving contact on first 15.
Further, the end of the simulation static contact 15 is equipped with through-hole, and end is two above and below openable and closable by the through-hole
The bottom of part, the through-hole connects with cylindrical surface, and installation is for perceiving pressure when end capacity compression is closed in the cylindrical surface
Pressure sensor.
Further, the extension line of the center line of the through-hole is located at the cylindrical surface diametrically, the pressure sensing
Device is foil gauge, and the foil gauge is attached to the inner wall on the cylindrical surface, and the foil gauge is with the separate of the cylindrical surface diameter
It is arranged symmetrically centered on the other end of through-hole.Which is a preferred scheme.
Further, the simulation static contact 15 includes tail portion and contact block, and the contact block is set with the caudal anterior
There are through-hole, the middle part of the tail portion to be equipped with cylindrical surface.The structure is a kind of preferred structure, can also use other structures.
The telescopic drive component includes handle 6, first connecting rod 5, hinge seat 2, second connecting rod 7 and push rod 8, the handle
6 are fixedly mounted on the upper end of first connecting rod 5, and the lower end of the first connecting rod 5 is hinged on hinge seat 2, and the hinge seat 2 is fixed
On the pedestal 1, one end of the middle part of the first connecting rod 5 and the second connecting rod 7 is hinged, the second connecting rod 7 it is another
One end is hinged with the push rod 8, and the push rod 8 is fixedly connected with the guide rod 9.Other telescopic drive sides can also be used
Formula.
The positioning component is two positioning pins of the moving contact for fixing disconnecting switch to be detected, the first positioning pin 12
With the second positioning pin 13, between the distance between two positioning pins and two contact pivot pins of the moving contact of disconnecting switch to be detected
Distance matching.Other positioning methods can also be selected.
In the present embodiment, moving contact 14 by cutting blade 1401, contact pivot pin 1402, lead-in line row 1403, touch spring 1404,
1406 composition of spring cup 1405 and pivot pin set.When disconnecting switch is closed a floodgate, moving contact 14 is moved to static contact direction, and static contact is inserted into
In the cutting blade 1401 of moving contact 14, since stationary contact area of bed is more than two cutting blade spacing, cutting blade 1401 is flared out, makes to touch
Head spring 1404 is compressed, and clamping pressure is generated.To measure the clamping pressure of contact 14, simulation static contact 15 is devised, is touched
Head block is equipped with through-hole, is equipped with foil gauge along through-hole cylindrical surface, contact surface direction is equipped with straight slot, is penetrated through with through-hole.
Moving contact 14 is entangled into the first positioning pin 12 by the positions Fig. 2 and the second positioning pin 13 is placed on pedestal 1, driving handle
6, the linkage rod slide block mechanism being made up of first connecting rod 5, second connecting rod 7,8 push rods and pedestal 1 pushes simulation contact supporting 16 to move
It is dynamic, simulation static contact 15 is injected in moving contact 14.Static contact 15 is simulated by clamping force, straight slot opening size changes,
So that foil gauge is stretched, strain sheet resistance is made to change, is obtained by instrument measurement and clamp force value.
The original dimension for simulating contact working position is more than practical static contact, and difference should be equal to the variable quantity after stress；
The contact pressure of practical static contact can be accurately measured in this way.
Claims (5)
1. a kind of isolation switch contact device for pressure measurement, it is characterised in that：The measuring device includes pedestal, the pedestal two
The positioning component of moving contact for fixing disconnecting switch to be detected is installed respectively and for driving simulation static contact to be touched with dynamic in side
The telescopic drive component that head is closed or disconnects, the motion end of the telescopic drive component and one end of guide rod connect, the base
Guide holder is installed at the middle part of seat, and the guide rod passes through the pilot hole of the guide holder, the other end of the guide rod to install mould
Quasi- contact supporting, the simulation contact supporting fix the simulation static contact, install on the simulation static contact and work as detecting
Simulate the pressure sensor of static contact and pressure when moving contact closure grafting；The telescopic drive component includes handle, first
Connecting rod, hinge seat, second connecting rod and push rod, the handle are fixedly mounted on the upper end of first connecting rod, under the first connecting rod
End is hinged on hinge seat, and the hinge seat is fixed on the pedestal, the middle part of the first connecting rod and the second connecting rod
One end it is hinged, the other end of the second connecting rod is hinged with the push rod, and the push rod is fixedly connected with the guide rod.
2. isolation switch contact device for pressure measurement as described in claim 1, it is characterised in that：The end of the simulation static contact
Portion is equipped with through-hole, and end is divided into openable and closable two parts, the bottom of the through-hole up and down and connected with cylindrical surface by the through-hole,
Pressure sensor of the installation for perceiving pressure when end capacity compression is closed in the cylindrical surface.
3. isolation switch contact device for pressure measurement as claimed in claim 2, it is characterised in that：The center line of the through-hole
Extension line is located at the cylindrical surface diametrically, and the pressure sensor is foil gauge, and the foil gauge is attached to the cylindrical surface
Inner wall, and the foil gauge is with one end of the separate through-hole of the cylindrical surface diameter where the extension line of the center line of the through-hole
Centered on be arranged symmetrically.
4. isolation switch contact device for pressure measurement as claimed in claim 2 or claim 3, it is characterised in that：The simulation static contact
Including tail portion and contact block, the contact block is equipped with through-hole with the caudal anterior, and the middle part of the tail portion is equipped with cylindrical surface.
5. the isolation switch contact device for pressure measurement as described in one of claims 1 to 3, it is characterised in that：The positioning group
Part is two positioning pins of the moving contact for fixing disconnecting switch 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 |
|---|---|
| CN105067174A CN105067174A (en) | 2015-11-18 |
| CN105067174B true CN105067174B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510456322.1A Active CN105067174B (en) | 2015-07-29 | 2015-07-29 | Isolation switch contact device for pressure measurement |
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| Country | Link |
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| CN (1) | CN105067174B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106409573B (en) * | 2016-10-08 | 2018-07-10 | 国网新疆电力公司电力科学研究院 | Double-column horizontal folding disconnecting switch in-site installation detection method based on dynamometry 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 |
| 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 |
| 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 |
| CN116893339B (en) * | 2023-08-10 | 2024-05-28 | 湘南学院 | High-voltage isolating switch fault diagnosis device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202305079U (en) * | 2011-10-17 | 2012-07-04 | 华尔斯（汕头）电气有限公司 | Contact pressure force measuring machine of high-voltage switch cabinet |
| CN103217245A (en) * | 2013-03-27 | 2013-07-24 | 国家电网公司 | Clamping force measurement device used for isolating switch |
| CN104062051A (en) * | 2014-06-25 | 2014-09-24 | 中国西电电气股份有限公司 | Fully automatic drive detection device for isolation switch assembly and detection method thereof |
| CN204903062U (en) * | 2015-07-29 | 2015-12-23 | 宁波耀华电气科技有限责任公司 | Isolating switch contact pressure measuring equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5601489B2 (en) * | 2009-05-20 | 2014-10-08 | 株式会社エイエムアイ・テクノ | Air-filled contact pressure measurement method |
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2015
- 2015-07-29 CN CN201510456322.1A patent/CN105067174B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202305079U (en) * | 2011-10-17 | 2012-07-04 | 华尔斯（汕头）电气有限公司 | Contact pressure force measuring machine of high-voltage switch cabinet |
| CN103217245A (en) * | 2013-03-27 | 2013-07-24 | 国家电网公司 | Clamping force measurement device used for isolating switch |
| CN104062051A (en) * | 2014-06-25 | 2014-09-24 | 中国西电电气股份有限公司 | Fully automatic drive detection device for isolation switch assembly and detection method thereof |
| CN204903062U (en) * | 2015-07-29 | 2015-12-23 | 宁波耀华电气科技有限责任公司 | Isolating switch contact pressure measuring equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105067174A (en) | 2015-11-18 |
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