CN106383015B - A kind of vibration-testing mechanism for frame circuit breaker - Google Patents
A kind of vibration-testing mechanism for frame circuit breaker Download PDFInfo
- Publication number
- CN106383015B CN106383015B CN201610961297.7A CN201610961297A CN106383015B CN 106383015 B CN106383015 B CN 106383015B CN 201610961297 A CN201610961297 A CN 201610961297A CN 106383015 B CN106383015 B CN 106383015B
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- Prior art keywords
- frame
- lead screw
- circuit breaker
- vibration
- workbench
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000969 carrier Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 12
- 238000011156 evaluation Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000004224 protection Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 206010068052 Mosaicism Diseases 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
-
- 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
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of vibration-testing mechanisms for frame circuit breaker, it includes tetragonal body supporting frame, breaker mounting plate, mechanical arm, workbench and horizontal saddle, the fixing end of the mechanical arm is connected with pulling force sensor, the pulling force sensor is connected with fixed seat, and the fixed seat is fixedly connected with the workbench；It is provided with frame circuit breaker and frame cover on the breaker mounting plate, is laterally equipped with rotation axis in the top of the frame cover, steel column is rotatably connected in the rotation axis；The mechanical arm can do three-axis moving, and when the upper end of the free end of the mechanical arm and steel column is inconsistent, the lower end of steel column will be inserted into the arc-chutes of frame circuit breaker and be contacted with moving contact formation.The present invention realizes the reliability test for carrying out dynamic and static contact disconnection contact under varying load to frame circuit breaker, can provide scientific basis for functional reliability of the evaluation frame circuit breaker under varying load.
Description
Technical field
The present invention is to be related to a kind of vibration-testing mechanism for frame circuit breaker, belongs to test equipment technical field.
Background technology
Currently, in highway, railway, navigation transport, special geographically at some, strong vibration, impact and nature
Mechanical environment has become one of an important factor for influencing electrical equipment reliable and stable safe operation.However at present about electrically setting
Standby reliability test is still in the static test stage, and the movement segment such as vibration environment in order to finally solve electrical equipment adapts to
Sex chromosome mosaicism, we with raising, identification and confirm that electrical equipment to be measured to the adaptability of environment, is it is necessary to carry out vibration-testing
The operation and use of the equipment provide scientific basis.
Frame circuit breaker is allowed to from overcurrent, under-voltage, short circuit etc. is abnormal mainly for the protection of low voltage electrical equipment
In the case of harm, the infrequently operation that circuit is also can be used as under normal condition is used.It is disconnected that frame circuit breaker is also referred to as universal
Road device, generally all there are one the frame of steel, all parts are installed in frame this breaker；Its capacity is larger,
And the buckle releaser of multiple functions and more auxiliary contact can be installed, it is combined by different buckle releasers and may be constructed different protections
Characteristic has wide range of applications.But there is presently no about frame circuit breaker, dynamic and static contact disconnects the reliable of contact under varying load
Property measuring technology, become the problem of functional reliability of the evaluation frame circuit breaker under varying load.
Invention content
In view of the above-mentioned problems existing in the prior art, the object of the present invention is to provide a kind of vibrations for frame circuit breaker
Mechanism for testing carries out the reliability test of dynamic and static contact disconnection contact to meet frame circuit breaker under varying load, to evaluate frame
Functional reliability of the frame breaker under varying load provides scientific basis.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of vibration-testing mechanism for frame circuit breaker, including tetragonal body supporting frame, breaker mounting plate, machinery
Arm, workbench and horizontal saddle are respectively equipped with one on two longitudinal carriers positioned at tetragonal body supporting frame side
Longitudinal rail is correspondingly provided with the compatible sliding block being slidably connected respectively with longitudinal rail on the side of the horizontal saddle,
Two X-axis guide rails are arranged in the upper surface of described horizontal saddle, a horizontal sliding is slidably connected in two X-axis guide rails
Frame is arranged with two Y-axis guide rails in the both sides of the horizontal sliding rack, and the workbench is slidably connected at two Y-axis guide rails
On；The fixing end of the mechanical arm is connected with pulling force sensor, and the pulling force sensor is connected with fixed seat, the fixation
Seat is fixedly connected with the workbench；Frame circuit breaker and frame cover are provided on the breaker mounting plate, described
The top of frame cover is laterally equipped with rotation axis, and steel column is rotatably connected in the rotation axis；When the mechanical arm from
When by holding inconsistent with the upper end of steel column, the lower end of steel column will be inserted into the arc-chutes of frame circuit breaker and be connect with moving contact formation
It touches.
A kind of embodiment, the horizontal sliding rack do X-axis movement under the first driving mechanism, and the workbench is second
Y-axis movement is done under driving mechanism, the horizontal saddle does Z axis movement under third driving mechanism.
A kind of embodiment, first driving mechanism, the second driving mechanism and third driving mechanism are all made of ball wire
Bar transmission mechanism.
As further embodiment, first driving mechanism includes first motor, the first lead screw and the first ball wire
Stem nut pair, the first motor are fixed on the side of the horizontal saddle equipped with two sliding blocks and two sliding blocks on the side
Between, one end and the first motor of first lead screw are sequentially connected, and the other end is threaded through the lower bracket of horizontal sliding rack
On, first ballscrew nut fitting is set on the first lead screw and is fixedly connected with the lower bracket of horizontal sliding rack.
As further embodiment, second driving mechanism includes the second motor, the second lead screw and the second ball wire
Stem nut pair, second motor are fixed on one end of horizontal sliding rack, one end of second lead screw and second motor
It being sequentially connected, the other end is threaded through on the lower bracket of workbench, second ballscrew nut fitting is set on the second lead screw,
And it is fixedly connected with the lower bracket of workbench.
As further embodiment, the third driving mechanism includes third motor, third lead screw and third ball wire
Stem nut pair, the third motor are fixed on the lower section of horizontal saddle, and one end of the third lead screw is passed with the third motor
Dynamic connection, the other end are vertically threaded through on horizontal saddle, the third ballscrew nut fitting be set on third lead screw and with
The top surface of horizontal saddle is fixedly connected.
Preferably, the third motor is stepper motor, and the stepper motor is connected with retarder, described the
The output shaft of three lead screws and the retarder is sequentially connected.
Since heretofore described mechanical arm has the displacement freedom in three directions, reached by the displacement of mechanical arm specified
Point causes steel column lower end to be inserted into the arc-chutes of frame circuit breaker and the moving contact shape with frame circuit breaker to withstand the upper end of steel column
It pushes the moving contact of frame circuit breaker mutually to be disconnected with static contact to make steel column generate a kind of leverage at contact and contacts,
And the active force mutually disconnected with static contact in the moving contact of this varying load lower frame breaker can by with mechanical arm fixing end
The pulling force sensor being fixedly connected is tested, by the i.e. evaluable frame circuit breaker of the pulling force stability of test under varying load
Carry out the reliability test that dynamic and static contact disconnects contact.Therefore, the present invention is realized carries out frame circuit breaker under varying load
Dynamic and static contact disconnects the reliability test of contact, can provide section for functional reliability of the evaluation frame circuit breaker under varying load
Learn foundation.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of vibration-testing mechanism for frame circuit breaker provided by the invention；
The partial structural diagram that the mechanical arm realizes three-axis moving is embodied shown in Fig. 2；
The local attachment structure schematic diagram between workbench and the second driving mechanism is embodied shown in Fig. 3；
Working state schematic representation of the mechanical arm with steel column when inconsistent is embodied shown in Fig. 4.
Figure label is schematically as follows：1, tetragonal body supporting frame；11, longitudinal carrier；12, longitudinal rail；2, breaker is pacified
Loading board；21, frame circuit breaker；22, frame cover；23, rotation axis；24, steel column；3, mechanical arm；31, fixing end；32, freely
End；4, workbench；41, the second driving mechanism；411, the second motor；412, the second lead screw；413, the second ballscrew nut fitting；
42, the lower bracket of workbench；5, horizontal saddle；51, sliding block；52, X-axis guide rail；53, third driving mechanism；531, third motor；
532, third lead screw；533, third ballscrew nut fitting；534, retarder；6, horizontal sliding rack；61, Y-axis guide rail；62,
One driving mechanism；621, first motor；622, the first lead screw；623, the first ballscrew nut fitting；63, under horizontal sliding rack
Holder；7, pulling force sensor；8, fixed seat.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with attached drawing.
In conjunction with shown in Fig. 1 to Fig. 4：A kind of vibration-testing mechanism for frame circuit breaker provided by the invention, including four
Cube supporting frame 1, breaker mounting plate 2, mechanical arm 3, workbench 4 and horizontal saddle 5, positioned at the tetragonal body load-bearing frame
It is respectively equipped with a longitudinal rail 12 on two longitudinal carriers 11 of 1 side of frame, correspondence is set on the side of the horizontal saddle 5
There is the compatible sliding block 51 being slidably connected respectively with longitudinal rail 12, two X are arranged in the upper surface of described horizontal saddle 5
Axis rail 52 slidably connects a horizontal sliding rack 6 in two X-axis guide rails 52, symmetrical in the both sides of the horizontal sliding rack 6
Equipped with two Y-axis guide rails 61, the workbench 4 is slidably connected in two Y-axis guide rails 61；The fixing end 31 of the mechanical arm 3
It is connected with pulling force sensor 7, the pulling force sensor 7 is connected with fixed seat 8, and the fixed seat 8 is solid with the workbench 4
Fixed connection；Frame circuit breaker 21 and frame cover 22 are provided on the breaker mounting plate 2, in the frame cover 22
Top is laterally equipped with rotation axis 23, and steel column 24 is rotatably connected in the rotation axis 23；When the free end of the mechanical arm 3
32 it is inconsistent with the upper end of steel column 24 when, the lower end of steel column 24 will be inserted into the arc-chutes of frame circuit breaker 21 and be formed with moving contact
Contact.
The horizontal sliding rack 6 does X-axis movement under the first driving mechanism 62, and the workbench 4 is in the second driving mechanism
Y-axis movement is done under 41, the horizontal saddle 5 does Z axis movement under third driving mechanism 53.
First driving mechanism 62, the second driving mechanism 41 and third driving mechanism 53 are all made of ball leading screw driving machine
Structure, wherein：First driving mechanism 62 includes first motor 621, the first lead screw 622 and the first ballscrew nut fitting 623, described
First motor 621 is fixed between the side of the horizontal saddle 5 equipped with two sliding blocks 51 and two sliding blocks 51 on the side,
One end of first lead screw 622 is sequentially connected with the first motor 621, and the other end is threaded through the lower bracket of horizontal sliding rack
On 63, first ballscrew nut fitting 623 is set on the first lead screw 622 and consolidates with the lower bracket of horizontal sliding rack 63
Fixed connection；Second driving mechanism 41 includes the second motor 411, the second lead screw 412 and the second ballscrew nut fitting 413, described
Second motor 411 is fixed on one end of horizontal sliding rack 6, and one end of second lead screw 412 is driven with second motor 411
Connection, the other end are threaded through on the lower bracket 42 of workbench, and second ballscrew nut fitting 413 is set in the second lead screw
It is fixedly connected on 412 and with the lower bracket of workbench 42；Third driving mechanism 53 includes third motor 531, third lead screw 532
With third ballscrew nut fitting 533, the third motor 531 is fixed on the lower section of horizontal saddle 5, the third lead screw 532
One end and the third motor 531 be sequentially connected, the other end is vertically threaded through on horizontal saddle 5, the third ball screw
Pair of nut 533 is set on third lead screw 532 and is fixedly connected with the top surface of horizontal saddle 5.
Preferably, the third motor 531 is stepper motor, and the stepper motor is connected with retarder 534,
The third lead screw 532 and the output shaft of the retarder 534 are sequentially connected.
It is specified so as to be reached by the displacement of mechanical arm 3 since heretofore described mechanical arm 3 can realize three-shaft displacement
Point causes 24 lower end of steel column to be inserted into the arc-chutes of frame circuit breaker 9 and dynamic with frame circuit breaker to withstand the upper end of steel column 24
Contact forms contact, to make steel column 24 generate a kind of leverage, pushes the moving contact and static contact phase of frame circuit breaker
The active force for disconnecting contact, and mutually being disconnected with static contact in the moving contact of this varying load lower frame breaker can by with machinery
The pulling force sensor that arm fixing end is fixedly connected is tested, and is existed by the i.e. evaluable frame circuit breaker of the pulling force stability of test
The reliability test that dynamic and static contact disconnects contact is carried out under varying load.Therefore, the present invention can be achieved to frame circuit breaker in variable load
The reliability test that dynamic and static contact disconnects contact is carried out under lotus, can be reliable operation of the evaluation frame circuit breaker under varying load
Property provide scientific basis.
It is last it is necessarily pointed out that：The foregoing is merely the preferable specific implementation mode of the present invention, but the present invention
Protection domain be not limited thereto, any one skilled in the art in the technical scope disclosed by the present invention,
The change or replacement that can be readily occurred in, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of vibration-testing mechanism for frame circuit breaker, it is characterised in that：Pacify including tetragonal body supporting frame, breaker
Loading board, mechanical arm, workbench and horizontal saddle, on two longitudinal carriers positioned at tetragonal body supporting frame side respectively
Equipped with a longitudinal rail, it is correspondingly provided on the side of the horizontal saddle and is adapted with what longitudinal rail was slidably connected respectively
Sliding block, be arranged with two X-axis guide rails in the upper surface of described horizontal saddle, a water slidably connected in two X-axis guide rails
Smooth moving frame is arranged with two Y-axis guide rails in the both sides of the horizontal sliding rack, and the workbench is slidably connected at two Y
On axis rail；The fixing end of the mechanical arm is connected with pulling force sensor, and the pulling force sensor is connected with fixed seat, institute
Fixed seat is stated to be fixedly connected with the workbench；Frame circuit breaker and frame cover are provided on the breaker mounting plate,
It is laterally equipped with rotation axis in the top of the frame cover, steel column is rotatably connected in the rotation axis；When the machinery
When the free end of arm and the inconsistent upper end of steel column, the lower end of steel column will be inserted into the arc-chutes of frame circuit breaker and with moving contact shape
At contact.
2. vibration-testing mechanism according to claim 1, it is characterised in that：The horizontal sliding rack is in the first driving mechanism
Under do X-axis movement, the workbench does Y-axis movement under the second driving mechanism, and the horizontal saddle is under third driving mechanism
Do Z axis movement.
3. vibration-testing mechanism according to claim 2, it is characterised in that：First driving mechanism, the second driving machine
Structure and third driving mechanism are all made of ball lead screw drive mechanism.
4. vibration-testing mechanism according to claim 3, it is characterised in that：First driving mechanism includes the first electricity
Machine, the first lead screw and the first ballscrew nut fitting, the first motor be fixed on the horizontal saddle equipped with two sliding blocks side,
And between two sliding blocks on the side, one end and the first motor of first lead screw are sequentially connected, and the other end is worn
It is located on the lower bracket of horizontal sliding rack, first ballscrew nut fitting is set on the first lead screw and is slided with level
The lower bracket of frame is fixedly connected.
5. vibration-testing mechanism according to claim 3, it is characterised in that：Second driving mechanism includes the second electricity
Machine, the second lead screw and the second ballscrew nut fitting, second motor are fixed on one end of horizontal sliding rack, described second
One end of bar is connect with second motor drive, and the other end is threaded through on the lower bracket of workbench, second ball screw
Pair of nut is set on the second lead screw and is fixedly connected with the lower bracket of workbench.
6. vibration-testing mechanism according to claim 3, it is characterised in that：The third driving mechanism includes third electricity
Machine, third lead screw and third ballscrew nut fitting, the third motor are fixed on the lower section of horizontal saddle, the third lead screw
One end connect with the third motor drive, the other end is vertically threaded through on horizontal saddle, the third ball screw nut
Pair is set on third lead screw and is fixedly connected with the top surface of horizontal saddle.
7. vibration-testing mechanism according to claim 6, it is characterised in that：The third motor is stepper motor, described
Stepper motor is connected with retarder, and the output shaft of the third lead screw and the retarder is sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961297.7A CN106383015B (en) | 2016-11-04 | 2016-11-04 | A kind of vibration-testing mechanism for frame circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961297.7A CN106383015B (en) | 2016-11-04 | 2016-11-04 | A kind of vibration-testing mechanism for frame circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106383015A CN106383015A (en) | 2017-02-08 |
| CN106383015B true CN106383015B (en) | 2018-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610961297.7A Expired - Fee Related CN106383015B (en) | 2016-11-04 | 2016-11-04 | A kind of vibration-testing mechanism for frame circuit breaker |
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| Country | Link |
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| CN (1) | CN106383015B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328539B (en) * | 2017-06-15 | 2020-03-20 | 上海工程技术大学 | Force measuring system for vibration test |
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| CN106383015A (en) | 2017-02-08 |
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