CN107037356B - A kind of double-column horizontal rotation type disconnecting switch experimental rig - Google Patents
A kind of double-column horizontal rotation type disconnecting switch experimental rig Download PDFInfo
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- CN107037356B CN107037356B CN201610882073.7A CN201610882073A CN107037356B CN 107037356 B CN107037356 B CN 107037356B CN 201610882073 A CN201610882073 A CN 201610882073A CN 107037356 B CN107037356 B CN 107037356B
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- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000004088 simulation Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000012360 testing method Methods 0.000 abstract description 15
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000011002 quantification Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000219000 Populus Species 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of double-column horizontal rotation type disconnecting switch experimental rigs.Existing outdoor disconnector product testing platform is transformed on the basis of existing product mostly, and realization has a single function, and does not have the continuous detection function for carrying out quantification.The present invention adopts the following technical scheme that: a kind of double-column horizontal rotation type disconnecting switch experimental rig, program-controlled simulation mechanism is loaded including transmission mechanism, power-driven mechanism and power, the simulation mechanism includes bearing block, the bearing being mounted on bearing block, kinematic link and the second driven floral disc above bearing block, the lower end of second driven floral disc is equipped with an electromagnetic brake after passing through bearing, force snesor is housed on the kinematic link, one end of kinematic link is connected on the second driven floral disc, and the other end is connected on active floral disc.The present invention can acquire sensing data, quantitative study disconnecting switch performance during the motion.
Description
Technical field
The present invention relates to the experimental rig of outdoor high-voltage isolating switch, especially a kind of double-column horizontal rotation type disconnecting switch
Experimental rig.
Background technique
With the high speed development of modern social economy situation, demand of the various industries to electric power energy is also growing day by day, electricity
The important function that Force system plays is also increasingly prominent, also reliable for operation to substation equipment while increasing electric system pressure
Property and service life, more stringent requirements are proposed.
Outdoor high-voltage isolating switch usage amount in substation is maximum, and structure is simple, due to longtime running ring outdoors
Border, especially coastal area close to seashore and heavily contaminated environment area, Active Service exist a large amount of corrosions, overheat of conducting circuit,
Phenomena such as Insulator detection, revolving platform bearing bite, connecting rod cracking, divide-shut brake not in place, these all seriously affect the steady of equipment
Fixed operation, brings huge security risk to electric system.The key solved these problems is to improve the design of outdoor disconnector
And manufacturing quality, design and manufacture quality to improve, design and exploitation correlation test platform be frequently with method.
Outdoor disconnector contact probe is developed by consulting pertinent literature and Patent data, Chinese DianKeYuan poplar Kun et al.
Refer to the mechanical life automatic testing equipment (patent No.: 201320743565.X) of silver coating, which is in original isolation
It is completed on the basis of switch product through appropriate reconstruction, realizes automatic open-close contact fingertip and record number.
Pinggao Electric Co., Ltd., Henan, domestic disconnecting switch producer is directed to the three of GW27 Series Switch-disconnector design
Be connected brief test device, is detailed in the patent No. 200920090788.4.The simple experimental device is electronic using easy CJ11
The deceleration device of mechanism drives the leading electric pole of GW27 series to do breaking-closing operating, observation and adjust conducting rod three-phase synchronous and
Dynamic and static contact situation reduces site installation test work.
Existing outdoor disconnector product testing platform is made a general survey of, be transformed on the basis of existing product mostly, it is real
Existing has a single function, and does not have the continuous detection function for carrying out quantification.
In addition, testing stand design when in view of the structure of conventional high-tension disconnecting switch A, B, C three-phase it is similar, if three-phase
It all does, test platform structure is huge, at high cost.
Summary of the invention
In order to carry out Quantitative study to high voltage isolator key components and parts failure conditions, the present invention provides a kind of twin columns
Horizontal rotation type isolation switch experimental rig, on the basis of B, C phase power load program-controlled simulation mechanism, servo motor is defeated
Install torque sensor on shaft additional, upper force snesor of going here and there on connecting rod is determined so as to acquire sensing data during the motion
Quantity research disconnecting switch performance.
The present invention adopts the following technical scheme that: a kind of double-column horizontal rotation type disconnecting switch experimental rig, including transmission
Mechanism, power-driven mechanism and power load program-controlled simulation mechanism,
The transmission mechanism include can the link assembly of dynamometry, active column, driven column, active floral disc and first from
Dynamic floral disc, it is described can the link assembly of dynamometry driven by power-driven mechanism, two columns pass through two floral discs and can dynamometry
Linkage is realized in link assembly connection, and conducting rod touching is realized for installing conducting rod, by the rotation of two columns in the top of column
Head and fingertip opening and closing movement；
The simulation mechanism includes bearing block, the bearing being mounted on bearing block, kinematic link and is located on bearing block
Second driven floral disc of side, the lower end of the second driven floral disc are equipped with an electromagnetic brake, the kinematic link after passing through bearing
Upper that force snesor is housed, one end of kinematic link is connected on the second driven floral disc, and the other end is connected on active floral disc；
The power-driven mechanism includes torque sensor and AC servo motor.
The present invention tested by force snesor and torque sensor the output torque of power-driven mechanism, link assembly by
Power situation, the contact force process condition of contact fingertip, revolving platform damping torque situation etc., pass through the speed regulation function of AC servo motor
Can, the active force situation of the stress variation and contact fingertip of link assembly in the case of different rotating speeds can be tested, and using program
Automatic control technology, it is easy to realize mechanical wear test, revolving platform and the test of link assembly equivalent life of contact fingertip etc..
In order to study the stress condition of link assembly and power-driven mechanism, devises a power and load program-controlled simulation
Mechanism instead of the torque that the structure of B, C phase generates, and can also can further be ground by the size of stored program control system Torque-adjusting
Study carefully disconnecting switch kinematics and kinetics relation to the divide-shut brake of disconnecting switch whether fault condition in place.Power load can journey
The simulation mechanism of control can solve the problems, such as to take up space caused by high voltage isolator directly to be brought to test big, at high cost.
Further, the transmission mechanism, power-driven mechanism and simulation mechanism are mounted on a flexible foundation platform.
Further, it is provided with T-slot on the flexible foundation platform, in order to the installation, disassembly, tune of said mechanism
Section, and it is adapted to the disconnecting switch of different model.
Further, it is described can the link assembly of dynamometry include driving lever, crossbar and drive rod, the driving lever and
Force snesor is respectively arranged on crossbar, the drive rod is connect by vertical drive shaft with power-driven mechanism.
Further, one end of the other end of the drive rod and driving lever connects, the other end of driving lever and actively flower
The side of disk connects, and the other side of the active floral disc and one end of crossbar connect, the other end of crossbar and the first driven flower
Disk connection；The rotation of two floral disc opposite directions is realized by link assembly, to realize the rotation of two heel post opposite directions.
Further, the driving lever and crossbar are connected with active floral disc and the first driven floral disc respectively by connecting lever
It connects.
Further, the electromagnetic brake realizes the program-controlled of torque by industrial personal computer, control card and power amplifier
Load, makes the stress of connecting rod closer to actual conditions, while can export torque herein.
Further, the power-driven mechanism further includes yielding coupling and retarder, AC servo motor it is defeated
Shaft by yielding coupling, retarder and diaphragm coupling with can the link assembly of dynamometry connect, the torque sensor
It is installed between AC servo motor and retarder by yielding coupling.Can by control AC servo motor movement come
The speed of accurate control disconnecting switch folding.
Further, the bearing block is placed on a bearing block mounting rack, is set between bearing block mounting rack and bearing block
There is an adjustment block.Different adjustment blocks can be made for aperture, the distance etc. of the bearing block of different model, is being installed not in this way
With bearing block when, it is only necessary to replace adjustment block and manufacture different bearing block mounting racks without otherwise designed, have good logical
The property used.
Further, the bottom of two columns is mounted on bearing mounting base by bearing.
The present invention has the advantages that
1) experimental rig can with quantitative study transmission mechanism there are the problem of, the biography of driving lever, crossbar, simulation mechanism
Go here and there force sensor on dynamic connecting rod, when can thus collect mechanism kinematic in real time on connecting rod power variation.Pass through actively
Bar, crossbar power can calculate the moment of resistance at revolving platform, the power that contact probe abutment process generates, so as to detect
Whether revolving platform has bite out, and whether contact probe abutment is normal.
2) it is built from experimental rig, which simplifies three-phase structure, is braked by electromagnetic brake
Generated power is moved to simulate B, C phase, huge and bulky disconnecting switch B, C phase can be abandoned in this way, is tried saving
While experiment device cost and volume, simulation is achieved the effect that.
3) it in terms of dynamics, is adjusted the speed by servo motor, can be used for studying under different rotating speeds, the work of disconnecting switch
Make situation, such as the variation of connecting rod power, drive shaft torque, contact probe abutment reliability.
4) in terms of material analysis, which can be obtained by the data of reading force snesor, torque sensor
Torque in disconnecting switch connecting rod power and drive shaft out, thus adjusting apparatus make power and torque meet material allowable force and
Allowable torque.Further, since it simulates true divide-shut brake process, it can be used for carrying out contact fingertip silver coating mechanical wear
Test.
5) designs such as flexible foundation platform, adjustment block can easily install the disconnecting switch of different model, be into one
Pacing examination different model disconnecting switch provides convenience.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of transmission mechanism and simulation mechanism of the present invention.
In figure, 1- flexible foundation platform, 2- bearing mounting base, 3- active column, the driven floral disc of 4- first, 5- is driven to be stood
Column, 6- conducting rod, 7- contact fingertip, 8,12,13- force snesor, 9- crossbar, 10- driving lever, 11- active floral disc, 14- are passed
Dynamic connecting rod, the driven floral disc of 15- second, 16- adjustment block, 17- electromagnetic brake, 18- bearing mount, 19- AC servo motor,
20- torque sensor, 21- retarder, 22- diaphragm coupling, 23- drive rod, 24- vertical drive shaft.
Specific embodiment
Testing device for high voltage isolating switches as shown in Figure 1, by flexible foundation platform, transmission mechanism, power-driven machine
Structure and power load program-controlled simulation mechanism and constitute, and the transmission mechanism, power-driven mechanism and simulation mechanism are mounted on soft
On property basic platform 1, T-slot is provided on flexible foundation platform 1.
The transmission mechanism by can dynamometry link assembly, active column 3, driven column 5, active floral disc 11 and first
Driven floral disc 4 forms, it is described can the link assembly of dynamometry driven by power-driven mechanism.Two columns pass through two floral discs and can
Linkage is realized in the link assembly connection of dynamometry, and the top of column is equipped with contact fingertip 7 on conducting rod 6 for installing conducting rod 6.
It is described can the link assembly of dynamometry be made of driving lever 10, crossbar 9 and drive rod 23,10 He of driving lever
Force snesor 12,8 is respectively provided on crossbar 9, the drive rod 23 is connected by vertical drive shaft 24 and power-driven mechanism
It connects.
The other end of the drive rod 23 is connect with one end of driving lever 10, the other end and active floral disc 11 of driving lever 10
Side connection, the other side of the active floral disc 11 connect with one end of crossbar 9, the other end of crossbar 9 and first driven
Floral disc 4 connects；The rotation of two floral disc opposite directions is realized by link assembly, to realize turning for two heel post opposite directions
It is dynamic, conducting rod contact and fingertip opening and closing movement are realized by the rotation of two columns.
The driving lever 10 and crossbar 9 is connect with active floral disc 11 and the first driven floral disc 4 respectively by connecting lever.Two
The bottom of a column is mounted on bearing mounting base 2 by bearing.
The power loads program-controlled simulation mechanism by bearing block, the bearing being mounted on bearing block, 14 and of kinematic link
The second driven floral disc 15 above bearing block forms, and the lower end of the second driven floral disc 15 is equipped with electromagnetic braking after passing through bearing
Device 17 is equipped with force snesor 13 on the kinematic link 14, and one end of kinematic link 14 is connected on the second driven floral disc 15,
The other end is connected on active floral disc 11.The electromagnetic brake 17 is realized by industrial personal computer, control card and power amplifier
The program-controlled load of torque.The bearing block is placed on bearing block mounting rack 18, is set between bearing block mounting rack 18 and bearing block
There is adjustment block 16.
The power-driven mechanism is by torque sensor 20, AC servo motor 19, yielding coupling and retarder 21
Composition, the output shaft of AC servo motor by yielding coupling, retarder 21 and diaphragm coupling 22 with can dynamometry connecting rod
Component connection, the torque sensor 20 are installed between AC servo motor and retarder by yielding coupling.
When the invention works, there can be following tests mode:
1) transmission mechanism dynamic analysis.During the motion, connecting rod power, drive shaft torque is in different rotating speeds for transmission mechanism
Lower variation.For research transmission mechanism there are the problem of such as bite, judge whether connecting rod stress excessive, whether contact fingertip contacts can
By providing quantitative data.It is as follows that process is tested under the mode:
AC servo motor parameter is set, it makes conducting rod 6 open certain angle according to certain revolving speed when programming.It adjusts
The size of electric current makes electromagnetic brake 17 generate certain braking moment.After unlatching servo motor moves experimental rig, acquisition
Force snesor everywhere, the data of torque sensor.Further, by changing servo motor revolving speed, change electromagnetic brake 17 and produce
Raw different braking torque, acquires corresponding data, finally handles data, analysis and summary rule.
2) influence research of the installation parameter to switching.It can be by adjusting length of connecting rod, the parameters such as contact insertion depth
Come analyze in debugging process to operational torque, can close a floodgate affecting laws in place.
3) contact fingertip silver coating mechanical wear is tested.The model test process is as follows:
AC servo motor parameter is set, contact fingertip is made to be repeated isolation engagement, movement n times, speed n.Silver-plated side
Formula can use different schemes, such as common silver-plated, the hard silver of plating.After, detect silver coating thickness.Change speed, operation time
Number is analyzed again to be compared.
Claims (8)
1. a kind of double-column horizontal rotation type disconnecting switch experimental rig, including transmission mechanism, power-driven mechanism and power load can
Program-controlled simulation mechanism, which is characterized in that
The transmission mechanism include can the link assembly of dynamometry, active column (3), driven column (5), active floral disc (11) and
First driven floral disc (4), it is described can the link assembly of dynamometry driven by power-driven mechanism, two columns by two floral discs and
Can the link assembly connection of dynamometry realize linkage, for installing conducting rod (6), the rotation for passing through two columns is real for the top of column
Existing conducting rod contact and fingertip opening and closing movement；
The simulation mechanism includes bearing block, the bearing being mounted on bearing block, kinematic link (14) and is located on bearing block
Second driven floral disc (15) of side, the lower end of the second driven floral disc (15) are equipped with an electromagnetic brake (17) after passing through bearing, institute
Force snesor is housed, one end of kinematic link (14) is connected on the second driven floral disc (15), separately on the kinematic link (14) stated
One end is connected on active floral disc (11)；
The power-driven mechanism includes torque sensor (20) and AC servo motor (19)；
It is described can the link assembly of dynamometry include driving lever (10), crossbar (9) and drive rod (23), the driving lever (10)
Be respectively arranged with force snesor on crossbar (9), the drive rod (23) passes through vertical drive shaft (24) and power-driven mechanism
Connection；The other end of the drive rod (23) is connect with one end of driving lever (10), the other end of driving lever (10) and actively flower
The side of disk (11) connects, and the other side of the active floral disc (11) is connect with one end of crossbar (9), crossbar (9) it is another
End is connect with the first driven floral disc (4)；The rotation of two floral disc opposite directions is realized by link assembly, to realize that two is edge-on
The rotation of column opposite direction.
2. double-column horizontal rotation type disconnecting switch experimental rig according to claim 1, which is characterized in that
Transmission mechanism, power-driven mechanism and the simulation mechanism is mounted on a flexible foundation platform (1).
3. double-column horizontal rotation type disconnecting switch experimental rig according to claim 2, which is characterized in that the flexibility
T-slot is provided on basic platform.
4. double-column horizontal rotation type disconnecting switch experimental rig according to claim 1, which is characterized in that the active
Bar (10) and crossbar (9) are connect with active floral disc (11) and the first driven floral disc (4) respectively by connecting lever.
5. double-column horizontal rotation type disconnecting switch experimental rig according to claim 1 or 2, which is characterized in that described
Electromagnetic brake (17) realizes the program-controlled load of torque by industrial personal computer, control card and power amplifier.
6. double-column horizontal rotation type disconnecting switch experimental rig according to claim 1 or 2, which is characterized in that
The power-driven mechanism further includes yielding coupling and retarder (21), and the output shaft of AC servo motor passes through bullet
Property shaft coupling, retarder (21) and diaphragm coupling (22) with can the link assembly of dynamometry connect, the torque sensor
(20) it is installed between AC servo motor and retarder by yielding coupling.
7. double-column horizontal rotation type disconnecting switch experimental rig according to claim 1 or 2, which is characterized in that described
Bearing block is placed on a bearing block mounting rack (18), is equipped with an adjustment block (16) between bearing block mounting rack (18) and bearing block.
8. double-column horizontal rotation type disconnecting switch experimental rig according to claim 1 or 2, which is characterized in that two vertical
The bottom of column is mounted on bearing mounting base (2) by bearing.
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| CN201610882073.7A CN107037356B (en) | 2016-10-08 | 2016-10-08 | A kind of double-column horizontal rotation type disconnecting switch experimental rig |
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| CN201610882073.7A CN107037356B (en) | 2016-10-08 | 2016-10-08 | A kind of double-column horizontal rotation type disconnecting switch experimental rig |
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| CN107037356B true CN107037356B (en) | 2019-10-22 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051190B (en) * | 2017-11-30 | 2020-03-10 | 国网江苏省电力有限公司检修分公司 | Method for analyzing state of disconnecting switch control mechanism based on main shaft torque corner characteristics |
| CN108318234A (en) * | 2018-02-14 | 2018-07-24 | 武汉大学 | A kind of isolator operation torque and rotation angle detecting apparatus |
| CN109031113B (en) * | 2018-08-23 | 2024-02-20 | 国网安徽省电力有限公司电力科学研究院 | Mechanical load test device for isolating switch |
| CN111811797B (en) * | 2020-06-29 | 2022-09-06 | 江山海维科技有限公司 | Quick switching type high-voltage isolating switch detection device |
| CN113219331A (en) * | 2021-06-09 | 2021-08-06 | 谭杰 | Medium-high voltage ultra-fast switch and detection equipment thereof |
| CN113884291A (en) * | 2021-09-29 | 2022-01-04 | 广东电网有限责任公司 | Isolating switch mechanical life testing device |
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| CN201464615U (en) * | 2009-06-12 | 2010-05-12 | 河南平高电气股份有限公司 | Testing device for high voltage isolating switches |
| CN102830349A (en) * | 2012-08-24 | 2012-12-19 | 苏州电器科学研究院股份有限公司 | Mechanical performance test device for low-voltage switch equipment |
| CN203720265U (en) * | 2013-11-28 | 2014-07-16 | 江苏省如高高压电器有限公司 | Portable tool for testing loop resistance of disconnecting switch |
| CN105044394A (en) * | 2015-06-30 | 2015-11-11 | 河南平高电气股份有限公司 | Test mechanism fixing device and height adjusting mechanism thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8664959B2 (en) * | 2010-02-24 | 2014-03-04 | Eht International Inc. | Mobile system for measuring abnormality detection parameters of a switch in a high voltage electrical substation |
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2016
- 2016-10-08 CN CN201610882073.7A patent/CN107037356B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201464615U (en) * | 2009-06-12 | 2010-05-12 | 河南平高电气股份有限公司 | Testing device for high voltage isolating switches |
| CN102830349A (en) * | 2012-08-24 | 2012-12-19 | 苏州电器科学研究院股份有限公司 | Mechanical performance test device for low-voltage switch equipment |
| CN203720265U (en) * | 2013-11-28 | 2014-07-16 | 江苏省如高高压电器有限公司 | Portable tool for testing loop resistance of disconnecting switch |
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