CN109781565A - A kind of novel measuring test stand for angular displacement sensor mechanical life wear test - Google Patents
A kind of novel measuring test stand for angular displacement sensor mechanical life wear test Download PDFInfo
- Publication number
- CN109781565A CN109781565A CN201910138137.6A CN201910138137A CN109781565A CN 109781565 A CN109781565 A CN 109781565A CN 201910138137 A CN201910138137 A CN 201910138137A CN 109781565 A CN109781565 A CN 109781565A
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- rocking bar
- displacement sensor
- angular displacement
- rod
- mechanical life
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 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
- 230000010355 oscillation Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The present invention relates to angular displacement sensor abrasion testing apparatus technical field, specially a kind of novel measuring test stand for angular displacement sensor mechanical life wear test, including transmission mechanism, mechanism for monitoring, clamping structure and control cabinet；The transmission mechanism includes synchronous motor, the crank disc with the driving axis connection of the synchronous motor, the adjustable connecting-rod that one end is connect with the crank disc, the rocker assembly connecting with the adjustable connecting-rod other end；The rocker assembly includes multiple rocking bars, the rocking bar balance staff connecting with described rocking bar one end, the rocking bar connector that the rocking bar other end is all connected, and the rocking bar connector is connect with the adjustable connecting-rod.The testboard of the application can carry out wear testing to the mechanical life of any a rotary angular displacement sensor, be tested by the weave mode of most closing to reality use state.
Description
Technical field
The present invention relates to angular displacement sensor abrasion testing apparatus technical fields, specially a kind of to be used for angular displacement sensor
The novel measuring test stand of mechanical life wear test.
Background technique
The method of diagonal displacement sensor mechanism service life wear testing is to pass through deceleration device or skin by a motor at present
Belt wheel drives the shaft of angular displacement sensor, continuous all transfer to test is carried out, even if the brush of sensor internal is carried out with 360 °
Continuous rotation.Such test mode mainly has following defect: 1) in actual use, mechanical corner is much smaller than product
360 °, electrical corner is even more to be less than its mechanical corner, and angle required for the signal output variation of electromechanical assembly only has mostly
Some lesser angular range.So, the test method of existing continuous turnover movement, cannot embody a certain angle well
The abrasion condition of its interior guide rail.2) inside angular displacement sensor, it is neutral gear between the front and back zero-bit area of resistance guide rail, normally makes
Used time brush be without herein, and 360 ° of all transfer to test then it is unavoidable will by herein, then, the row of brush here
Journey increases total time-consuming, and economy is not high, and the abrasion for increasing brush without reason again, influences the judgement of test result.3)
Current all transfer to test can not test multi-turn sensor, because it is enclosed, number is limited, and continuous rotation can reach stop position, most
After stop.4) current all transfer to test can not adjust test parameter, i.e., a certain using area according to the actual demand of user
The test of interior abrasion loss.
That is angular displacement sensor fatigue detecting traditional at present is to drive sensor shaft by motor, is carried out at the uniform velocity round
All exercise tests, such test method make the abrasion loss of sensor internal resistance track uniform, cannot simulate actual use
When a certain section of angle in abrasion, and time-consuming, can not set the parameter of different use occasions, can not obtain accurately fatigue wound
Evil is as a result, therefore existing way cannot embody the state of wear of angular displacement sensor actual use.Therefore, it needs to existing angle position
Displacement sensor abrasion testing apparatus improves.
Summary of the invention
In view of the problems of the existing technology the present invention, proposes a kind of real for the abrasion of angular displacement sensor mechanical life
The novel measuring test stand tested.
The technical solution adopted by the present invention to solve the technical problems is: one kind is ground for angular displacement sensor mechanical life
Damage the novel measuring test stand of experiment, including transmission mechanism, mechanism for monitoring, clamping structure and control cabinet；
The transmission mechanism includes synchronous motor, the crank disc with the driving axis connection of the synchronous motor, one end and the song
The adjustable connecting-rod of handle disk connection, the rocker assembly being connect with the adjustable connecting-rod other end；The rocker assembly includes multiple shakes
Bar, the rocking bar balance staff being connect with described rocking bar one end, the rocking bar connector that the rocking bar other end is all connected, the rocking bar
Connector is connect with the adjustable connecting-rod；
The clamping structure includes the big supporting plate of a pair connecting with base plate, connects the big supporting plate and the rocking bar balance staff
Shaft coupling piece, the big supporting plate, which is equipped with, allows the through-hole that passes through of rocking bar balance staff free end, and the rocking bar balance staff is free
End is connected with shaft coupling, and the clamping structure further includes the concentric limit plate connecting with the big supporting plate, with the concentric limit
The tightening knob mounting rack of position plate connection, the tightening knob connecting with the tightening knob mounting rack, the concentric limit plate are opened
There are the concentric holes being used cooperatively with the shaft coupling, the tightening knob is equipped with the concentric holes；
The mechanism for monitoring includes the rocking bar number of oscillations statistics component being used cooperatively with the rocking bar, and with the crank disc
The revolving speed statistics component being used cooperatively.
Preferably, the crank disc is equipped with the radiai adjustment slot connecting with the adjustable connecting-rod.
Preferably, the crank disc is equipped with control graduation mark in radiai adjustment trough rim side.
Preferably, the adjustable connecting-rod includes adjusting the body of rod, with the adjusting mouth grafting for adjusting body of rod axial direction one end
Connection-peg one, the connection-peg two with the adjusting mouth grafting for adjusting the body of rod axial direction other end, the connection-peg one passes through work
Section bolt is connect with the rocking bar connector, and the connection-peg two-way is crossed eyelet bolt and connect with the crank disc, the grafting
The first and described connection-peg two is connect by fastening screw with the adjusting body of rod.
Preferably, the connection-peg one and the connection-peg two are equipped with adjusting graduation mark.
Preferably, the rocking bar number of oscillations statistics component includes be symmetricly set on the big supporting plate two sides infrared
Transmitter and infrared remote receiver install the infrared counting device bracket of the infrared transmitter or the infrared remote receiver and right
Claim the infrared penetration hole being arranged on the big supporting plate.
Preferably, the base plate is equipped with the adjusting sliding rail mobile for the infrared counting device bracket.
Preferably, the revolving speed statistics component includes hall detector, setting the crank disc circumferential end faces and with
The magnet that the hall detector is used cooperatively, and the hall detector mounting rack of the installation hall detector.
Preferably, the control cabinet includes infrared counting device switch, infrared counting display, Hall magnetic strength tests the speed out
It closes, Hall magnetic strength tests the speed display screen, master switch and machine governor；The control cabinet further includes emergency stop switch and buzzer.
Preferably, the clamping structure further includes the fixation briquetting connecting with tightening knob.
The invention has the advantages that the testboard of the application can be to the machine of any a rotary angular displacement sensor
The tool service life carries out wear testing, is tested by the weave mode of most closing to reality use state；
For precision and service life higher carbon film class sensor, high revolving speed can choose, the operating parameters of high frequency time are tested；It is right
In similar line around class sensor, the service life is not high, and adjusts in actual use by manpower, then can choose the slow-speed of revolution, greatly
Torque, the operating parameters of low frequency time are tested；
And use angle that can be different according to user, selects different test angles to carry out simulation test, and surveying for a long time
During examination, counts and adjust without personnel, setting parameter can carry out automatically, and can read work as at any time during the test
Preceding revolving speed and number is surveyed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the transmission mechanism of testboard of the present invention；
Fig. 2 is the front view of testboard of the present invention；
Fig. 3 is the structural schematic diagram of control cabinet in Fig. 2；
Fig. 4 is the structural schematic diagram of Fig. 2 testing board part；
Fig. 5 is the top view of testboard of the present invention；
Fig. 6 is the structural schematic diagram of Fig. 5 testing board part；
Fig. 7 is the left view of testboard of the present invention；
Wherein, 11, synchronous motor, 12, crank disc, 13, adjustable connecting-rod, 14, rocking bar, 15, rocking bar balance staff, 16, radiai adjustment slot,
17, rocking bar connector；21, base plate, 22, big supporting plate, 23, shaft coupling piece, 24, shaft coupling, 25, concentric limit plate, 26, tight
Gu knob mounting rack, 27, tightening knob；31, infrared transmitter, 32, infrared remote receiver, 33, infrared counting device bracket, 34, tune
Save sliding rail；41, hall detector, 42, magnet, 43, hall detector mounting rack, 51, infrared counting device switch, 52, infrared meter
Number displays, 53, Hall magnetic strength speed measurement switch, 54, Hall magnetic strength test the speed display screen, 55, master switch, 56, emergency stop switch, 57,
Buzzer, 58, machine governor.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 7, a kind of novel measuring test stand for angular displacement sensor mechanical life wear test, including
Transmission mechanism, mechanism for monitoring, clamping structure and control cabinet.The application is special in view of the movement of angular displacement sensor in actual use
Point, i.e., different use occasions have different revolving speeds, different mechanical corners and electrical corner, different frequency of impacts etc., therefore need
The setting of adjustable parameter is wanted to simulate actual use state.
The transmission mechanism includes synchronous motor 11, the crank disc 12 with the driving axis connection of the synchronous motor 11, and one
Hold the adjustable connecting-rod 13 connecting with the crank disc 12, the rocker assembly connecting with 13 other end of adjustable connecting-rod.It is described to shake
Bar assembly includes multiple rocking bars 14, the rocking bar balance staff 15 connecting with described 14 one end of rocking bar, and 14 other end of rocking bar is whole
The rocking bar connector 17 of connection, the rocking bar connector 17 are connect with the adjustable connecting-rod 13.According to the reality of angular displacement sensor
Border application mode, it is most when in use, only work in resistance guide rail a certain section of internal brush, and in this section of resistance track arc
On slidably reciprocate, i.e., swung with certain central angle, therefore using the principle of crank and rocker mechanism as transmission scheme.
Synchronous motor 11 drives crank disc 12 to rotate, and crank disc 12 can drive adjustable connecting-rod 13 to move when rotation,
To make rocking bar 14 press certain radian swing centered on rocking bar balance staff 15.The application one shares 5 sets of rocking bars 14, they are by shaking
Joint element for bar 17 is connected, then, 5 sets of rocking bars 14 synchronize and make oscillating motion.Rocking bar 14 is during waving by rocking bar balance staff 15
Both ends pass through shaft coupling 24 respectively the shaft of 10 test products can be driven to carry out identical oscillating motion simultaneously.
The crank disc 12 is equipped with the radiai adjustment slot 16 that connect with the adjustable connecting-rod 13, and the crank disc 12 is described
16 avris of radiai adjustment slot is equipped with control graduation mark.Radiai adjustment slot 16 is evenly arranged with multiple bayonets at regular intervals, each
Bayonet corresponds to a graduation mark, the end of adjustable connecting-rod 13 can the bayonet according to needed for control scale line options be clamped, from
And realize the adjusting of swing angle range when rocking bar 14 is swung.
The adjustable connecting-rod 13 includes adjusting the body of rod, the connection-peg with the adjusting mouth grafting for adjusting body of rod axial direction one end
One, with it is described adjust the body of rod axial direction other end adjusting mouth grafting connection-peg two, the connection-peg one by eyelet bolt with
The rocking bar connector 17 connects, and the connection-peg two-way is crossed eyelet bolt and connect with the crank disc 12, the connection-peg one
It is connect by fastening screw with the adjusting body of rod with the connection-peg two.The connection-peg one and the connection-peg two are all provided with
There is adjusting graduation mark.
When needing to adjust 13 length of adjustable connecting-rod, first fastening screw can be unscrewed, it then will according to adjusting graduation mark
Connection-peg one or the insertion of connection-peg two stretch out and adjust mouth a bit, finally by fastening screw by connection-peg one or connection-peg two with
Adjust the fixed adjusting to realize 13 length of adjustable connecting-rod of the body of rod.Length by adjusting adjustable connecting-rod 13, which can be adjusted further, shakes
Swing angle range when bar 14 is swung.
The clamping structure includes the big supporting plate 22 of a pair connecting with base plate 21, connects the big supporting plate 22 and institute
The shaft coupling piece 23 of rocking bar balance staff 15 is stated, the big supporting plate 22 is logical equipped with allowing 15 free end of rocking bar balance staff to pass through
Hole, 15 free end of rocking bar balance staff are connected with shaft coupling 24, and the clamping structure further includes connecting with the big supporting plate 22
Concentric limit plate 25, the tightening knob mounting rack 26 being connect with the concentric limit plate 25, with the tightening knob mounting rack
The tightening knob 27 of 26 connections, the concentric limit plate 25 is provided with the concentric holes being used cooperatively with the shaft coupling 24, described tight
Gu knob 27 is equipped with the concentric holes.The clamping structure further includes the fixation briquetting connecting with tightening knob 27.
When angular displacement sensor is installed, the shaft of angular displacement sensor is first passed through into concentric holes and is connect with shaft coupling 24, even
The rotational angle range for needing to detect first is adjusted when connecing, and then passes through the fixation briquetting and concentric limit plate on tightening knob 27
25 compress the shell of angular displacement sensor.Rocking bar 14 only drives the shaft of angular displacement sensor to rotate when swinging.Clamping structure
Fastening clamping individually can be carried out to the product of 10 examination with computer to 1 or simultaneously.
The mechanism for monitoring includes the rocking bar number of oscillations statistics component being used cooperatively with the rocking bar 14, and with it is described
The revolving speed statistics component that crank disc 12 is used cooperatively.
The rocking bar number of oscillations statistics component includes the infrared transmitter for being symmetricly set on 22 two sides of big supporting plate
31 and infrared remote receiver 32, the infrared counting device bracket 33 of the infrared transmitter 31 or the infrared remote receiver 32 is installed, with
And it is symmetricly set on the infrared penetration hole on the big supporting plate 22.
When rocking bar 14 is not swung, rocking bar connector 17 can be by the infrared ray between infrared transmitter 31 and infrared remote receiver 32
Cutting, when rocking bar 14 is swung, infrared remote receiver 32 can receive the infrared ray of the sending of infrared transmitter 31, when rocking bar 14 is swung back
When can block infrared ray again again, to realize the statistics of 14 number of oscillations of rocking bar.The base plate 21 is equipped with for described red
The mobile adjusting sliding rail 34 of outer counter-support 33, adjusting sliding rail 3 can finely tune infrared counting device bracket 33 and make infrared emission
Device 31 can be aligned with infrared remote receiver 32.
The revolving speed statistics component includes hall detector 41, setting 12 circumferential end faces of crank disc and with it is described suddenly
The magnet 42 that your detector 41 is used cooperatively, and the hall detector mounting rack 43 of the installation hall detector 41.When suddenly
Your detector 41 can detecte corresponding signal when corresponding with 42 pairs of magnet, thus the revolving speed of statistics available crank disc 12.
The control cabinet includes infrared counting device switch 51, infrared counting display 52, Hall magnetic strength speed measurement switch 53, suddenly
Your magnetic strength tests the speed display screen 54, master switch 55 and machine governor 58, after needing the angular displacement sensor detected to install,
Master switch 55 can be opened to be detected, by the specific revolving speed of the adjustable synchronous motor 11 of machine governor 58, to adjust
The revolving speed of crank disc 12 is saved, can detecte the actual speed of crank disc 12 after opening Hall magnetic strength speed measurement switch 53 and is shown
It tests the speed on display screen 54 to Hall magnetic strength.Infrared transmitter 31 and infrared receiver can be passed through after opening infrared counting device switch 51
Device 32 counts the number of oscillations of rocking bar 14 and is shown by infrared counting display 52.Control cabinet can be default or right to each parameter
It is processed and displayed after each signal acquisition.
The control cabinet further includes emergency stop switch 56 and buzzer 57, and when testboard breaks down, buzzer 57 can be sent out
It alarms out, staff can keep testboard out of service by emergency stop switch 56, and degree of safety is high.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to design of the invention
It is defined with range.Without departing from the design concept of the invention, ordinary people in the field is to technical side of the invention
The all variations and modifications that case is made, should all drop into protection scope of the present invention, the claimed technology contents of the present invention,
Through being all described in the claims.
Claims (10)
1. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test, it is characterised in that: including driver
Structure, mechanism for monitoring, clamping structure and control cabinet；
The transmission mechanism includes synchronous motor (11), the crank disc (12) with the driving axis connection of the synchronous motor (11),
The adjustable connecting-rod (13) that one end is connect with the crank disc (12), the rocking bar group being connect with the adjustable connecting-rod (13) other end
Part；The rocker assembly includes multiple rocking bars (14), and the rocking bar balance staff (15) connecting with the rocking bar (14) one end shakes described
The rocking bar connector (17) that bar (14) other end all connects, the rocking bar connector (17) and the adjustable connecting-rod (13) are even
It connects；
The clamping structure includes the big supporting plate (22) of a pair connecting with base plate (21), connect the big supporting plate (22) and
The shaft coupling piece (23) of the rocking bar balance staff (15), the big supporting plate (22), which is equipped with, allows rocking bar balance staff (15) free end
The through-hole passed through, rocking bar balance staff (15) free end are connected with shaft coupling (24), the clamping structure further include with it is described big
The concentric limit plate (25) of supporting plate (22) connection, the tightening knob mounting rack (26) being connect with the concentric limit plate (25),
The tightening knob (27) connecting with the tightening knob mounting rack (26), the concentric limit plate (25) are provided with and the shaft coupling
(24) concentric holes being used cooperatively, the tightening knob (27) are equipped with the concentric holes；
The mechanism for monitoring includes the rocking bar number of oscillations statistics component being used cooperatively with the rocking bar (14), and with the song
The revolving speed statistics component that handle disk (12) is used cooperatively.
2. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test according to claim 1,
Be characterized in that: the crank disc (12) is equipped with the radiai adjustment slot (16) connecting with the adjustable connecting-rod (13).
3. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test according to claim 2,
Be characterized in that: the crank disc (12) is equipped with control graduation mark in radiai adjustment slot (16) avris.
4. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test according to claim 1,
Be characterized in that: the adjustable connecting-rod (13) includes adjusting the body of rod, with inserting for the adjusting mouth grafting for adjusting body of rod axial direction one end
Connector one, the connection-peg two with the adjusting mouth grafting for adjusting the body of rod axial direction other end, the connection-peg one pass through movable joint spiral shell
Bolt is connect with the rocking bar connector (17), and the connection-peg two-way is crossed eyelet bolt and connect with the crank disc (12), described
Connection-peg one and the connection-peg two are connect by fastening screw with the adjusting body of rod.
5. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test according to claim 4,
Be characterized in that: the connection-peg one and the connection-peg two are equipped with adjusting graduation mark.
6. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test according to claim 1,
Be characterized in that: the rocking bar number of oscillations statistics component includes being symmetricly set on the infrared emission of big supporting plate (22) two sides
Device (31) and infrared remote receiver (32), install the infrared counting device of the infrared transmitter (31) or the infrared remote receiver (32)
Bracket (33), and the infrared penetration hole being symmetricly set on the big supporting plate (22).
7. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test according to claim 6,
Be characterized in that: the base plate (21) is equipped with the adjusting sliding rail (34) mobile for the infrared counting device bracket (33).
8. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test according to claim 1,
Be characterized in that: the revolving speed statistics component includes hall detector (41), setting the crank disc (12) circumferential end faces and with
The magnet (42) that the hall detector (41) is used cooperatively, and the hall detector of the installation hall detector (41)
Mounting rack (43).
9. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test according to claim 1,
Be characterized in that: the control cabinet includes infrared counting device switch (51), infrared counting display (52), Hall magnetic strength speed measurement switch
(53), Hall magnetic strength tests the speed display screen (54), master switch (55) and machine governor (58)；The control cabinet further includes that emergency stop is opened
Close (56) and buzzer (57).
10. a kind of novel measuring test stand for angular displacement sensor mechanical life wear test according to claim 1,
Be characterized in that: the clamping structure further includes the fixation briquetting connecting with tightening knob (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138137.6A CN109781565B (en) | 2019-02-25 | Novel test bench for mechanical life abrasion experiment of angular displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138137.6A CN109781565B (en) | 2019-02-25 | Novel test bench for mechanical life abrasion experiment of angular displacement sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109781565A true CN109781565A (en) | 2019-05-21 |
| CN109781565B CN109781565B (en) | 2024-05-14 |
Family
ID=
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| CN107631745A (en) * | 2017-10-13 | 2018-01-26 | 领科汇智科技有限公司 | A kind of automobile angle sensor durability experiment frock |
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