CN105277881B - A kind of multifunctional high pressure vacuum breaker mechanical features test device - Google Patents
A kind of multifunctional high pressure vacuum breaker mechanical features test device Download PDFInfo
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- CN105277881B CN105277881B CN201510821696.9A CN201510821696A CN105277881B CN 105277881 B CN105277881 B CN 105277881B CN 201510821696 A CN201510821696 A CN 201510821696A CN 105277881 B CN105277881 B CN 105277881B
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Abstract
A kind of multifunctional high pressure vacuum breaker mechanical features test device, including: the framework being made up of upper lower cross plate (7,5) and left and right pillar (6), sleeve (8) and simulation pull bar (4)；Sleeve passes and is fixed in the roll adjustment through hole of upper cross plate, signal input lever (13) passes, lower end is fixedly connected with force transducer (14) to have linear displacement transducer (12), aperture (32) to supply in the macropore (31) of sleeve, and signal input lever lower end is connected with the upper end of simulation pull bar；The simulation threaded upper ends adpting flange (9) of pull bar, lower end are connected with chopper connecting rod (2) runing rest (3) after being slidably disposed through upper cross plate pilot hole (24) stretching in framework；Velocity sensor (16) and acceleration transducer (15) are assemblied on big installing hole (22) and the little installing hole (21) of flange (9).The present invention can measure simultaneously obtain the displacement of moving contact of breaker, speed, acceleration and counter-force data, meets circuit breaker failure diagnosis requirement.
Description
Technical field
The present invention relates to a kind of multifunctional high pressure vacuum breaker mechanical features test device.
Background technology
Chopper is one of most important equipment of power system, and it plays two aspect effects in power system:
Control and protection.Therefore, chopper plays vital effect to the safe and stable operation of electrical network.
The mechanical property of chopper is one of important indicator weighing breaker reliability.Try in chopper pattern
Test, in delivery test and fault diagnosis, the measurement of breaker mechanic property has been to ensure that the performance of chopper refers to
One of mark and properly functioning important means.Existing breaker mechanic property test device major part can only be surveyed
The displacement of amount moving contact, measurement data is single, it is impossible to meet the demand of circuit breaker failure diagnosis.
Summary of the invention
The technical problem to be solved, it is simply that provide a kind of multifunctional high pressure vacuum circuit breaker machinery special
System safety testing device, can measure simultaneously obtain each of the displacement of moving contact of breaker, speed, acceleration and counter-force
Plant data, meet circuit breaker failure diagnosis requirement.
Solving above-mentioned technical problem, the technical solution adopted in the present invention is as follows:
A kind of multifunctional high pressure vacuum breaker mechanical features test device, including linear displacement transducer 12,
Force transducer 14, velocity sensor 16 and acceleration transducer 15, described linear displacement transducer 12 is joined
There is signal input lever 13；It is characterized in that also including:
One framework being made up of upper lower cross plate 7,5 and left and right pillar 6: upper cross plate 7 is long shaped plate, plate face
Centre has roll adjustment through hole 38, both sides have lower big little stair-stepping bolt mounting holes 39, side and also set
There is set screw hole 40；Lower cross plate 5 is plectane, and centre has pilot hole 24, around has installing hole 26
With positioning through hole 25；The upper end of left and right pillar 6 is provided with internal thread hole 36, lower end is provided with internal thread hole 37, under
Section outer surface is provided with convex shoulder 35；
One sleeve 8, for being provided with the ladder pipe of up big and down small endoporus 31 and 32, is provided with convex shoulder in the middle of its outer surface
29, lower end is provided with external screw thread 30, upper end wall is provided with corresponding two radially clamp screw pits 27；
One simulation pull bar 4, upper end is provided with external screw thread 18 and screwed hole 17, lower end is provided with screwed hole 19, middle
Outer surface is provided with convex shoulder；
One up big and down small ladder circular disk-shaped flanges 9, small end is provided with screwed hole 20, big end plate face is provided with little peace
Dress hole 21 and big installing hole 22；
Described sleeve 8 passes and available holding screw is fixed in the roll adjustment through hole in the middle of upper cross plate 7, set
Cylinder 8 macropore 31 in be provided with linear displacement transducer 12, aperture 32 for signal input lever 13 pass, under
End is threaded connection and is fixed with force transducer 14, and signal input lever 13 lower end connects with the upper end of simulation pull bar 4
Connect；
The threaded upper ends adpting flange 9 of described simulation pull bar 4, lower end are slidably disposed through upper cross plate in framework
5 pilot holes 24 times pass through pull bar hex nut 10 with the runing rest 3 on the connecting rod 2 of tested chopper after stretching
Connect；
Described velocity sensor 16 and acceleration transducer 15 are securely fitted in the big installing hole 22 of flange 9
With on little installing hole 21.
Work process:
When the multifunctional high pressure vacuum breaker mechanical features test device of the present invention works, simulation pull bar is with disconnected
Runing rest on the connecting rod of road device is fixed together, and the other end of simulation pull bar is threadeded with flange
Together, simulation pull bar under the guiding function of pilot hole, completes the expanding-contracting action of moving contact on lower cross plate.
So, when installing linear displacement transducer, simulation pull bar is solid with the signal input lever of linear displacement transducer
Even, drive the signal input lever synchronization action of linear displacement transducer, and then complete moving contact of breaker displacement
Test job；When installation rate sensor and acceleration transducer, fix, with simulation pull bar, the method being connected
Blue velocity sensor and the acceleration transducer synchronization action of driving, so complete moving contact of breaker speed and
The test job of acceleration；When installing force sensor, flange is impact force sensing under the drive of simulation pull bar
Device, and then measure the test job of moving contact of breaker counter-force.
Beneficial effect: this device combines linear displacement transducer, force transducer, velocity sensor and acceleration
The characteristic of degree sensor, devises the sleeve that can install fixing linear displacement transducer and force transducer
With the flange that can install fixed speed sensor and acceleration transducer, it is achieved that a device is not replaced and appointed
What part just can install the function of dissimilar sensor, and then solves existing breaker mechanic property device
The problem that measurement data is single.
Accompanying drawing explanation
Fig. 1 is the multifunctional high pressure vacuum breaker mechanical features test device example structure signal of the present invention
Figure；
Fig. 2 is the structural representation after linear displacement transducer is installed in test device shown in Fig. 1；
Fig. 3 is the structural representation after test device installing force sensor shown in Fig. 1；
Fig. 4 is test device installation rate sensor shown in Fig. 1 and the structural representation after acceleration transducer；
Fig. 5 is the structural representation simulating pull bar in Fig. 1；
Fig. 6 is the structural representation of flange in Fig. 1；
Fig. 7 is the top view of flange shown in Fig. 6；
Fig. 8 is the structural representation of lower cross plate in Fig. 1；
Fig. 9 is the structural representation of Fig. 1 middle sleeve；
Figure 10 is the A-A cross section view of sleeve shown in Fig. 9；
Figure 11 is the structural representation of Fig. 1 central post；
Figure 12 is the structural representation of upper cross plate in Fig. 1；
Figure 13 is the top view of upper cross plate shown in Figure 12.
In figure, component names and respective figure labelling are as follows:
Chopper frame-1, chopper connecting rod-2, chopper connecting rod runing rest-3, simulate pull bar-4, under
Transverse slat-5, column-6, upper cross plate-7, sleeve-8, flange-9, pull bar hex nut-10, column hexagonal spiral shell
Female-11, linear displacement transducer-12, signal input lever-13, force transducer-14, acceleration transducer-15,
Velocity sensor-16, simulate internal thread hole-17, pull bar upper end, simulate pull bar upper external screw thread 18, and simulation is drawn
External screw thread-19, bar lower end, flange internal thread through hole-20, little installing hole-21 of flange, big installing hole-22 of flange,
Big end-23 of flange, lower cross plate pilot hole-24, lower cross plate positioning through hole-25, lower cross plate installing hole-26, set
Cylinder set screw hole-27, sleeve shoulder-29, external screw thread-30, sleeve lower end, sleeve macropore-31, sleeve is little
Hole-32, column lower end outer surface-33, column shoulder-35, internal thread hole-36, column upper end, column lower end
Internal thread hole-37, upper cross plate roll adjustment through hole-38, upper cross plate bolt mounting holes-39, upper cross plate set screw hole
-40。
Detailed description of the invention
See Fig. 1-Figure 13, the multifunctional high pressure vacuum breaker mechanical features test device embodiment of the present invention,
Including linear displacement transducer 12, force transducer 14, velocity sensor 16 and acceleration transducer 15, directly
Linear movement pick-up 12 is furnished with signal input lever 13.
Also include a framework being made up of upper lower cross plate 7,5 and left and right pillar 6: upper cross plate 7 is long shaped plate,
Have roll adjustment through hole 38 in the middle of plate face, both sides have lower big little stair-stepping bolt mounting holes 39, the one of plate
Side is additionally provided with set screw hole 40；Lower cross plate 5 is plectane, and centre has pilot hole 24, around has peace
Dress hole 26 and positioning through hole 25；Column 6 upper end is provided with internal thread hole 36, lower end is provided with internal thread hole 37,
Hypomere outer surface is provided with convex shoulder 35；And a sleeve 8, for being provided with the ladder of up big and down small endoporus 31 and 32
Pipe, be provided with convex shoulder 29 in the middle of its outer surface, lower end is provided with external screw thread 30, upper end wall be provided with correspondence two
Radially clamp screw pit 27；One simulation pull bar 4, upper end is provided with external screw thread 18 and internal thread hole 17, lower end sets
Outside threaded holes 19, central exterior surface is had to be provided with convex shoulder；One up big and down small ladder circular disk-shaped flanges 23, small end sets
Internal thread hole 20, big end plate face is had to be provided with little installing hole 21 and big installing hole 22.
Sleeve 8 passes and available holding screw is fixed in the intermediate throughholes of upper cross plate 7, the macropore of sleeve 8
Be placed with linear displacement transducer 12 in 31, aperture 32 passes for signal input lever 13, lower end is connected by screw thread
Connect and be fixed with force transducer 14；Simulation the upper end mounting flange 9 of pull bar 4, lower end in framework slidably
Runing rest 3 after stretching for 24 times through upper cross plate 5 pilot hole and on the connecting rod 2 of chopper is by pull bar hexagonal
Nut 10 connects；Velocity sensor 16 and acceleration transducer 15 are securely fitted in the big installing hole of flange 9
22 and little installing hole 21 on.
Lower cross plate is fixing on-board the circuit breaker by bolt mounting holes in chopper frame, it is simple to determine that moving contact is stretched
The axis in contracting direction, and then measuring accuracy can be effectively improved；Pilot hole is set on lower cross plate, passes through pilot hole
Guiding to simulation pull bar, and then protection linear displacement transducer；Simulation pull bar is threadeded with flange, this
Sample can be with regulating flange and the distance of force transducer so that when simulating backward stick action, flange and force transducer
Effective collision, and then can effectively measure moving contact counter-force；Linear displacement transducer passes through sleeve and upper cross plate
It is assembled together, by coordinating and the tightening screw thread of upper cross plate side with the removable of the roll adjustment through hole of upper cross plate
Hole can regulate the position of linear displacement transducer, it is simple to realize the signal input lever of linear displacement transducer with
The fixing connection of simulation railing；Column is securely fitted in one by internal thread hole with chopper frame and upper cross plate
Rise so that the overall structure of device is simple and reliable.
Specific works process:
As it is shown in figure 1, when test device is installed on-board the circuit breaker, simulation pull bar 4 and the rotation of chopper
Turn support 3 and be securely fitted in together, under pilot hole 24 guide effect of lower cross plate 5, complete moving contact
Expanding-contracting action.
During as in figure 2 it is shown, install linear displacement transducer 12, sleeve 8 is by roll adjustment through hole 38 and tightening
Screw hole 40 is securely fitted on upper cross plate 7, and the signal of the linear displacement transducer 12 on sleeve 8 is defeated
Enter bar 13 to be fixed together with simulation pull bar, when simulation pull bar 4 is stretched under breaker driving mechanism drives
During contracting, simulation pull bar 4 synchronizes to drive signal input lever 13 expanding-contracting action, and then by linear displacement transducer 12
Output test signal.
As it is shown on figure 3, during installing force sensor 14, shoulder 29 is made to be close to horizontal stroke being moved to by sleeve 8
After plate 7 lower surface, with holding screw, sleeve 8 fastening is assemblied on upper cross plate 7, when simulation pull bar 4 exists
Breaker driving mechanism drives lower when stretching, and simulation pull bar 4 synchronizes to drive flange 9 impact force sensor 14,
And then exported test signal by force transducer 14, and owing to the shoulder 29 of sleeve 8 is close to upper cross plate 4, so
The impact force of simulation pull bar 4 is via force transducer 1 to sleeve 8, then is passed to upper horizontal stroke by the shoulder 29 of sleeve 8
On plate 7, and then can not be destroyed by effectively protection tester, improve test accuracy.
As shown in Figure 4, installation rate sensor 16 and acceleration transducer 15, flange 9 is arranged on simulation and draws
On bar, when simulating pull bar 4 and stretching under breaker driving mechanism drives, simulation pull bar 4 synchronizes to drive speed
Degree sensor 16 and acceleration transducer 15 action, and then by velocity sensor 16 and acceleration transducer 15
Output test signal.Due to test device need not renewal part just can install fixing linear displacement transducer,
Force transducer, velocity sensor and and velocity sensor, and then achieve a device and can measure polytype
Test volume.
Simulation pull bar 4 is by external screw thread 19 and hex nut 10 and the runing rest 3 on chopper connecting rod 2
Fixing connection, under the guide effect of the simulation pull bar 4 pilot hole 24 on lower cross plate 5, mimic-disconnecting switch moves
The expanding-contracting action of contact pull bar, lower cross plate 5 has the bolt that the installing hole in the frame 1 with chopper is corresponding
Installing hole 26, together with lower cross plate 5 is securely fitted in the frame 1 of chopper by bolt in use, under
Positioning through hole on transverse slat 5 25 for coordinating with column 6 upper surface 33 so that two column 6 and choppers
Frame 1 on the corresponding installing hole alignment offered, the shoulder 35 on column 6 limits column 6 and lower cross plate 5
Length of fit, column 6 be respectively arranged at two ends with internal thread hole 36 and internal thread hole 37, utilize at chopper
Frame 1 on the corresponding installing hole offered by bolt and internal thread hole 37, column 6 is securely fitted in open circuit
In the frame 1 of device.The bolt mounting holes 39 corresponding with the internal thread hole 36 of column 6 is offered on upper cross plate 7,
Together with upper cross plate 7 is securely fitted in column 10 by bolt in use, upper cross plate 7 is provided with to solid
Determining the roll adjustment through hole 38 of sleeve 8 location, upper cross plate 7 side is provided with the set screw hole for fastening sleeve 8
40.Sleeve 8 is internal is set to shoulder hole, is macropore 31 and aperture 32 respectively, and sleeve 8 herein is such as figure
Structure shown in 10, macropore 31 puts into linear displacement transducer 12, by the set screw hole on sleeve 8
Linear displacement transducer 12 is fastened by 27, and aperture 32 passes for signal input lever 13, and one end of sleeve 8 sets
There is external screw thread 30, the mode bed knife sensor 14 being threaded connection.Flange 9 is provided with internal thread through hole
20, flange 9 is linked together with simulation pull bar 4 by the external screw thread 18 on simulation pull bar 4.
Together with linear displacement transducer 12 is securely fitted in upper cross plate 7 by sleeve 8, described straight-line displacement
Sensor 12 is arranged in the macropore 31 of sleeve 8, is fastened by linear displacement transducer 12 by holding screw
In sleeve 8, after being fixed by linear displacement transducer 12, described sleeve 8 is provided with along upper cross plate 7
Roll adjustment through hole 38 be movably assemblied on upper cross plate 7, and sleeve 8 is fixed on by holding screw
On transverse slat 7.Linear displacement transducer 12 has the signal input lever 13 for being connected with simulation pull bar 4,
One end of simulation pull bar 4 is correspondingly provided with for signal input lever 13 connection for linear displacement transducer 12
Internal thread hole 17, inputs a signal into bar by the screw thread in signal input lever 13 and is fixedly connected on simulation pull bar 4
On, the test device of linear displacement transducer is now installed as shown in Figure 2.
Together with force transducer 14 is securely fitted in upper cross plate 7 by sleeve 8, described force transducer 14 leads to
The external screw thread 30 crossing sleeve 8 is fixed together with sleeve 8, and now the sleeve 8 roll adjustment along upper cross plate 7 leads to
Hole 38 is movably assemblied on upper cross plate 7, makes shoulder 29 be close to upper cross plate 7 being moved to by sleeve 8
After, with holding screw, sleeve 8 fastening is assemblied on upper cross plate 7, now the test dress of installing force sensor
Put as shown in Figure 3.
Velocity sensor 16 and acceleration transducer 15 are securely fitted on flange 9, with speed on flange 9
Sensor 16 is corresponding with the fixing hole of acceleration transducer 15 offers installing hole 22 and installing hole 21, passes through
Velocity sensor 16 and acceleration transducer 15 are fixedly mounted on flange 9 by bolt, now installation rate
The test device of sensor and acceleration transducer is as shown in Figure 4.
As it is shown in figure 1, when test device is installed on-board the circuit breaker, simulation pull bar 4 and the rotation of chopper
Turn support 3 and be securely fitted in together, under pilot hole 24 guide effect of lower cross plate 5, complete moving contact
Expanding-contracting action.During as in figure 2 it is shown, install linear displacement transducer 12, sleeve 8 is by roll adjustment through hole 38
It is securely fitted on upper cross plate 7 with set screw hole 40, and the linear displacement transducer 12 on sleeve 8
Signal input lever 13 is fixed together with simulation pull bar, when simulation pull bar 4 drives at breaker driving mechanism
When stretching under dynamic, simulation pull bar 4 synchronizes to drive signal input lever 13 expanding-contracting action, and then is passed by straight-line displacement
Sensor 12 output test signal.As it is shown on figure 3, during installing force sensor 14, sleeve 8 is being moved to
After making shoulder 29 be close to upper cross plate 7, with holding screw, sleeve 8 fastening is assemblied on upper cross plate 7, works as mould
When plan pull bar 4 is flexible under breaker driving mechanism drives, simulation pull bar 4 synchronizes drive flange 9 impact force
Sensor 14, and then exported test signal by force transducer 14, and owing to the shoulder 29 of sleeve 8 is close to
Transverse slat 4, so the impact force of simulation pull bar 4 is via force transducer 1 to sleeve 8, then the shoulder by sleeve 8
29 pass on upper cross plate 7, and then can not be destroyed by effectively protection tester, improve test accuracy.As
Shown in Fig. 4, installation rate sensor 16 and acceleration transducer 15, flange 9 is arranged on simulation pull bar,
When simulating pull bar 4 and stretching under breaker driving mechanism drives, simulation pull bar 4 synchronizes to drive velocity pick-up
Device 16 and acceleration transducer 15 action, and then exported by velocity sensor 16 and acceleration transducer 15
Test signal.Owing to test device need not renewal part, fixing linear displacement transducer, power just can be installed
Sensor, velocity sensor and and velocity sensor, and then achieve a device and can measure polytype
Test volume.
In above-described embodiment, realized the fixing assembling of sleeve and upper cross plate by roll adjustment through hole and clamp screw pit,
So according to the installation requirement of linear displacement transducer, adjust the position of sleeve, reduce assembly difficulty.
Claims (2)
1. a multifunctional high pressure vacuum breaker mechanical features test device, including linear displacement transducer (12), force transducer (14), velocity sensor (16) and acceleration transducer (15), described linear displacement transducer (12) is furnished with signal input lever (13)；It is characterized in that also including: a framework being made up of upper lower cross plate (7,5) and left and right pillar (6), a sleeve (8), simulation pull bar (4) and a up big and down small ladder circular disk-shaped flanges (9)；
Described sleeve (8) passes and is fixed in the roll adjustment through hole in the middle of upper cross plate (7) with holding screw, install linear displacement transducer (12) in the macropore (31) of sleeve (8), aperture (32) passes for signal input lever (13), lower end is threaded connection and is fixed with force transducer (14), and signal input lever (13) lower end is connected with the upper end of simulation pull bar (4)；The threaded upper ends adpting flange (9) of described simulation pull bar (4), lower end are connected by pull bar hex nut (10) with the runing rest (3) on the connecting rod (2) of tested chopper after being slidably disposed through upper cross plate (5) pilot hole (24) stretching in framework；Described velocity sensor (16) and acceleration transducer (15) are securely fitted on big installing hole (22) and the little installing hole (21) of flange (9).
Multifunctional high pressure vacuum breaker mechanical features the most according to claim 1 test device, it is characterized in that: described framework upper cross plate (7) is long shaped plate, have roll adjustment through hole (38) in the middle of plate face, both sides have lower big little stair-stepping bolt mounting holes (39), a side is additionally provided with set screw hole (40)；Lower cross plate (5) is plectane, and centre has pilot hole (24), around has installing hole (26) and positioning through hole (25)；The upper end of left and right pillar (6) is provided with internal thread hole (36), lower end is provided with internal thread hole (37), and the lower external face of left and right pillar (6) is provided with convex shoulder (35)；
Described sleeve (8) is the ladder pipe being provided with up big and down small endoporus (31) and (32), is provided with convex shoulder (29), lower end is provided with external screw thread (30), upper end wall is provided with two of correspondence radially clamp screw pits (27) in the middle of its outer surface；
Described simulation pull bar (4) upper end is provided with external screw thread (18) and screwed hole (17), lower end is provided with screwed hole (19), central exterior surface is provided with convex shoulder；
Described up big and down small ladder circular disk-shaped flanges (9), small end is provided with screwed hole (20), big end plate face is provided with small one and large one two installing holes (21 and 22).
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| CN201510821696.9A CN105277881B (en) | 2015-11-23 | 2015-11-23 | A kind of multifunctional high pressure vacuum breaker mechanical features test device |
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|---|---|---|---|
| CN201510821696.9A CN105277881B (en) | 2015-11-23 | 2015-11-23 | A kind of multifunctional high pressure vacuum breaker mechanical features test device |
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| CN105277881A CN105277881A (en) | 2016-01-27 |
| CN105277881B true CN105277881B (en) | 2016-09-14 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017901B (en) * | 2016-07-14 | 2018-08-24 | 深圳怡化电脑股份有限公司 | A kind of relay continuous detection apparatus in place |
| CN108983080B (en) * | 2018-04-24 | 2021-05-25 | 河南平高电气股份有限公司 | Circuit breaker simulated load test device for operating mechanism |
| CN109406120B (en) * | 2018-11-13 | 2020-08-11 | 许继集团有限公司 | Circuit breaker mechanical characteristic testing device |
| CN110165494A (en) * | 2019-05-30 | 2019-08-23 | 中国科学院上海应用物理研究所 | High pressure vacuum feed-in attachment device |
| CN116625667B (en) * | 2023-07-25 | 2023-11-14 | 川开电气有限公司 | Online monitoring method for mechanical characteristics of 10kV vacuum circuit breaker |
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| CN202383148U (en) * | 2011-11-29 | 2012-08-15 | 青岛特锐德电气股份有限公司 | High voltage circuit breaker speed detector |
| CN103226091A (en) * | 2013-04-12 | 2013-07-31 | 中国石油天然气集团公司 | High temperature high pressure acoustic emission electrochemistry simulation experiment apparatus capable of loading stress |
| CN104142230A (en) * | 2013-11-30 | 2014-11-12 | 国家电网公司 | Device for testing mechanical characteristics of circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07146214A (en) * | 1993-11-22 | 1995-06-06 | Takachiho Kogyo Kk | Apparatus for testing hydraulic breaker body |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202383148U (en) * | 2011-11-29 | 2012-08-15 | 青岛特锐德电气股份有限公司 | High voltage circuit breaker speed detector |
| CN103226091A (en) * | 2013-04-12 | 2013-07-31 | 中国石油天然气集团公司 | High temperature high pressure acoustic emission electrochemistry simulation experiment apparatus capable of loading stress |
| CN104142230A (en) * | 2013-11-30 | 2014-11-12 | 国家电网公司 | Device for testing mechanical characteristics of circuit breaker |
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