CN112505358A - Speed sensor testing device - Google Patents
Speed sensor testing device Download PDFInfo
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- CN112505358A CN112505358A CN202011431070.4A CN202011431070A CN112505358A CN 112505358 A CN112505358 A CN 112505358A CN 202011431070 A CN202011431070 A CN 202011431070A CN 112505358 A CN112505358 A CN 112505358A
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- 238000012360 testing method Methods 0.000 title claims abstract description 108
- 238000013459 approach Methods 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
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Abstract
The invention discloses a speed sensor testing device which comprises a workbench, a testing assembly, a spacing adjusting assembly and a limiting assembly, wherein the workbench is provided with a plurality of positioning holes; the test assembly is arranged on the workbench and can rotate; the spacing adjusting assembly is arranged on the workbench and can drive the speed sensor to approach and depart from the testing assembly to realize the test of the speed sensor; the limiting assembly is arranged on the workbench and used for limiting the speed sensor. By applying the technical scheme of the invention, the effects are as follows: the spacing adjusting assembly is used for adjusting the clearance between the speed sensor and the testing assembly, so that the testing device can adapt to the testing of the speed sensors under different working conditions and different specifications, and the position of the speed sensor is limited by the limiting assembly, so that the speed sensor is prevented from moving during the testing, and the testing result and safety accidents are prevented from being influenced.
Description
Technical Field
The invention relates to the technical field of sensor testing, in particular to a speed sensor testing device.
Background
The speed sensor is used as a key device of rail locomotive vehicle equipment, the control of a vehicle control system and a traction system is influenced under many conditions, so the reliability of the speed sensor is particularly important, the functional parameters of the speed sensor are the most important parameters, and the requirements of customers and industrial standards put forward high requirements on the functional parameters, so the functional parameters of the speed sensor under different clearances and different rotating speeds need to be detected after the production of the speed sensor is finished.
Although a testing device capable of adjusting the gap between the speed sensor and the testing gear exists in the prior art, the testing device in the prior art usually adopts a motor to adjust the gap between the speed sensor and the testing gear, so that the overall structure weight of the device is increased, and the device is not convenient to carry; and the structure that does not carry on spacingly among the prior art to speedtransmitter leads to the clearance between speedtransmitter and the test gear to change, causes the influence to the test result, does not have limit structure simultaneously and leads to speedtransmitter to slide to the test gear easily and causes the incident.
In view of the above, there is a need for a speed sensor testing device that is simple in structure, can adjust the gap between the speed sensor and the testing gear, and can limit the speed sensor.
Disclosure of Invention
The invention aims to provide a speed sensor testing device which is simple in structure, can adjust the gap between a speed sensor and a testing gear and can limit the speed sensor, and the specific technical scheme is as follows:
a speed sensor testing device comprises a workbench, a testing assembly, a spacing adjusting assembly and a limiting assembly; the test assembly is arranged on the workbench and can rotate; the spacing adjusting assembly is arranged on the workbench and can drive the speed sensor to approach and depart from the testing assembly to test the speed sensor; the limiting assembly is arranged on the workbench and used for limiting the speed sensor.
Preferably, the testing component comprises a speed regulating motor and a testing gear; the speed regulating motor is arranged on the workbench; the testing gear is connected with the speed regulating motor and can rotate.
Preferably, the speed sensor is aligned with the test gear along the radial direction of the test gear.
Preferably, the distance adjusting assembly comprises a supporting piece, a ball screw and a sliding table for mounting the speed sensor; the supporting piece is arranged on the workbench; the ball screw is arranged on the support piece; the sliding table is arranged on the ball screw and rotates to drive the speed sensor to be close to and far away from the testing assembly through the ball screw.
Above technical scheme is preferred, the interval adjustment subassembly still includes the hand wheel of being connected with ball screw, the rotation of the ball screw of being convenient for.
Above technical scheme is preferred, the hand wheel is equipped with length scale along its circumference, is convenient for adjust speed sensor's horizontal displacement volume.
Preferably, the limiting assembly comprises a stop block; the stop block is movably arranged on the supporting piece or the workbench and can be matched with the supporting piece to limit the movement of the ball screw.
Preferably, in the above technical solution, the limiting assembly includes a first stopper and a second stopper; the first stop block is arranged on the supporting piece and/or the workbench, and a first accommodating groove is formed in the first stop block; the second stop block is connected with the first stop block through a threaded piece, and a second accommodating groove is formed in the second stop block; the first accommodating groove and the second accommodating groove are matched to form a channel for accommodating the ball screw, and the movement of the ball screw is limited by changing the specification of the channel through the screw.
Preferably, the limiting assembly further comprises a force applying rod; the stress application rod is connected with the threaded piece, so that the threaded piece can be rotated conveniently.
Above technical scheme is preferred, the material of first dog, second dog, support piece and slip table all adopts aluminium material.
The technical scheme of the invention has the following beneficial effects:
(1) the speed sensor testing device comprises a workbench, a testing assembly, a spacing adjusting assembly and a limiting assembly; the test assembly is arranged on the workbench and can rotate; the spacing adjusting assembly is arranged on the workbench and can drive the speed sensor to approach and depart from the testing assembly to test the speed sensor; the limiting assembly is arranged on the workbench and used for limiting the speed sensor. The spacing adjusting assembly is used for adjusting the clearance between the speed sensor and the testing assembly, so that the testing device can adapt to the testing of the speed sensors under different working conditions and different specifications, and the position of the speed sensor is limited by the limiting assembly, so that the speed sensor is prevented from moving during the testing, and the testing result and safety accidents are prevented from being influenced.
(2) The testing component comprises a speed regulating motor and a testing gear; the speed regulating motor is arranged on the workbench; the testing gear is connected with the speed regulating motor and can rotate, and the speed regulating motor can adjust the rotating speed of the testing gear, so that the testing gear can adapt to different working conditions conveniently.
(3) The speed sensor is aligned with the testing gear along the radial direction of the testing gear, so that the speed sensor can effectively acquire the parameters of the testing gear, and the testing accuracy is ensured.
(4) The spacing adjustment assembly comprises a supporting piece, a ball screw and a sliding table for mounting a speed sensor; the supporting piece is arranged on the workbench; the ball screw is arranged on the support piece; the slip table sets up on ball screw, rotates through ball screw and drives speedtransmitter and be close to and keep away from the test subassembly, and ball screw conveying precision is high, is convenient for control speedtransmitter's horizontal displacement volume to the test in the different clearances of adjustment test gear and speedtransmitter.
(5) The spacing adjusting assembly further comprises a hand wheel connected with the ball screw, the hand wheel is rotated to drive the ball screw to rotate, the adjustment of the gap between the testing gear and the speed sensor is achieved, the situation that a motor is arranged to drive the ball screw to rotate is avoided, the structure is simplified, and the spacing adjusting assembly is convenient to operate and convenient to carry.
(6) The length scales are arranged on the hand wheel along the circumferential direction of the hand wheel, and the rotation path of the hand wheel is recorded through the length scales on the hand wheel, so that the horizontal displacement of the speed sensor is accurately adjusted, and the accuracy of adjusting the gap between the speed sensor and the test gear is ensured.
(7) The limiting assembly comprises a stop block; the stop block is movably arranged on the support piece or the workbench and can be matched with the support piece to limit the movement of the ball screw, namely, the ball screw on the support piece is pressed by the movably arranged stop block, so that the stop block is prevented from rotating and moving, and the position of the speed sensor is limited. Preferably, the limiting assembly of the present invention may also adopt a first stopper and a second stopper, the first stopper and the second stopper cooperate to form a channel for accommodating the ball screw, and the specification of the channel is changed by rotating the screw member, so that the ball screw is locked in the channel, thereby ensuring that the ball screw does not rotate or move, and realizing the position limitation of the speed sensor.
(8) The limiting assembly further comprises a force application rod; the stress application rod is connected with the threaded piece, and the threaded piece is rotated quickly through the stress application rod, so that the gap between the first stop block and the second stop block can be adjusted conveniently, the specification of the channel is adjusted, and the ball screw is locked quickly.
(9) The first stop block, the second stop block, the supporting piece and the sliding table are all made of aluminum materials, so that the weight of the device is further reduced, and the device is convenient to transfer and carry.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural diagram of a speed sensor testing device according to the present embodiment;
FIG. 2 is a partial schematic view of FIG. 1;
FIG. 3 is a partial schematic view of another angle in FIG. 1; (sensor mounting plate not shown);
wherein, 1, a workbench; 2. testing the component; 2.1, a speed regulating motor; 2.2, testing the gear; 2.3, mounting seats; 2.4, a speed regulator; 3. a spacing adjustment assembly; 3.1, a support member; 3.2, a ball screw; 3.3, a sliding table; 3.3.1, a sliding table body; 3.3.2, mounting a sensor; 3.4, a hand wheel; 4. a limiting component; 4.1, a first stop block; 4.2, a second stop block; 4.3, a stress application rod; 5. a speed sensor; 6. and (3) a cable.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
a speed sensor testing device comprises a workbench 1, a testing component 2, a spacing adjusting component 3 and a limiting component 4, as shown in figures 1-3, the speed sensor testing device specifically comprises the following components:
as shown in fig. 1, the testing component 2 includes a speed regulating motor 2.1, a testing gear 2.2 (the testing gear specification is selected according to actual conditions) and a mounting seat 2.3; the speed regulating motor is installed on the workbench 1 through the installation seat 2.3, the testing gear is arranged at the power output end of the speed regulating motor, the speed regulating motor drives the testing gear to rotate, and the speed sensor can conveniently acquire parameters (such as speed parameters) of the testing gear. The speed sensor is preferably connected to an external device (not shown, such as an oscilloscope) through a cable 6, so as to complete the performance test of the speed sensor, and the external device is specifically referred to the prior art.
Preferably, the rotating speed of the speed regulating motor 2.1 is 0-4000 r/min, the speed regulating motor refers to the existing equipment, the speed regulator 2.4 is illustrated in figure 1, and the speed regulator is connected with the speed regulating motor, so that the speed regulation is convenient.
The spacing adjustment assembly 3 comprises a support piece 3.1, a ball screw 3.2, a sliding table 3.3 and a hand wheel 3.4, as shown in fig. 1-2, specifically as follows;
the support piece 3.1 is arranged on the workbench 1 (the support piece is preferably a support plate made of aluminum), and a through hole for the ball screw 3.2 to pass through is formed in the support piece; the ball screw 3.2 penetrates through the through hole to be arranged on the support, and preferably, the axial direction of the ball screw 3.2 and the radial direction of the testing gear 2.2 are located on the same straight line, so that the speed sensor 5 and the testing gear 2.2 are conveniently installed and aligned along the radial direction of the testing gear.
The sliding table 3.3 comprises a sliding table body 3.3.1 and a sensor mounting plate 3.3.2 arranged on the sliding table body 3.3.1 (preferably, a speed sensor is arranged on the sensor mounting plate, and the speed sensor is positioned in the radial direction of the test gear); slip table body 3.3.1 sets up on ball screw, rotates through ball screw 3.2 and drives slip table body 3.3.1 and sensor mounting panel 3.3.2 and radially be close to and keep away from the test gear along test gear 2.2 to adjust the clearance between speedtransmitter and the test gear, be equipped with the guide rail of the slip table motion direction of being convenient for on the preferred workstation of here.
The hand wheel 3.4 is connected to the end of the ball screw 3.2, and the hand wheel is rotated to drive the ball screw to rotate, so that the horizontal gap between the speed sensor 5 and the testing gear 2.2 is adjusted, and the gap adjusting range between the speed sensor and the testing gear is preferably 0.01-10 mm.
Preferably, the hand wheel 3.4 is provided with length scales along its circumferential direction, the accuracy of the length scales being 0.01mm (length scales on the hand wheel not shown).
The limiting component 4 has two schemes, as shown in fig. 3, which are as follows:
the first method comprises the following steps: the limiting assembly comprises a stop block; the stop block is movably arranged on the supporting piece or the workbench and can vertically displace, so that the ball screw on the supporting piece is compressed, the rotation and the movement of the ball screw are limited, and the position limitation of the speed sensor is realized. Be equipped with the steel ring (be equipped with the internal thread in the steel ring) on preferred support piece or the workstation here, be equipped with in the steel ring can with internal thread fit's bolt, the dog setting is on the bolt, realizes through rotating the bolt that the dog carries out vertical displacement to compress tightly the ball screw on the support piece, guarantee that it can not rotate and remove.
Second (as shown in fig. 3): the limiting assembly 4 comprises a first stop block 4.1 and a second stop block 4.2; the first stop block 4.1 is arranged on the support member 3.1 and/or the workbench 1 (preferably, the first stop block is fixed on the support member 3.1 through a bolt), and a first accommodating groove capable of accommodating the ball screw is arranged on the first stop block; the first end of second dog 4.2 is connected (preferred articulated) with first dog 4.1, the second end passes through the screw (like the bolt) and is connected with first dog, and be equipped with the second holding tank that corresponds with first holding tank on the second dog, first holding tank can form the passageway that is used for holding ball screw 3.2 with the cooperation of second holding tank, and can adjust the vertical clearance of first dog and second dog through rotating the screw, thereby adjust the size of passageway, be convenient for carry out the closure with the ball screw in the passageway, guarantee that it can not rotate and remove, realize spacing to speedtransmitter 5. Preferably, a force application rod 4.3 is connected to the screw.
Preferably, the channel concentrically corresponds to the through hole in the support member, so that the ball screw can smoothly rotate when not limited.
The technical scheme of the embodiment is specifically as follows:
1. the speed sensor 5 is arranged on the sensor mounting plate 3.3.2 and is connected with external equipment;
2. a hand wheel 3.4 is rotated to adjust the gap between the speed sensor 5 and the testing gear 2.2 (the size of the gap is selected according to the actual situation);
3. rotating a stress application rod 4.3 of the limiting assembly to lock the ball screw 3.2 in the channel of the limiting assembly;
4. starting the speed regulating motor 2.1 to drive the testing gear 2.2 to rotate, and acquiring parameters of the testing gear by the speed sensor 5 so as to verify the performance of the speed sensor;
5. adjusting different gaps between the speed sensor and the test gear, testing different rotating speeds of the test gear, closing the speed regulating motor after the testing is finished, taking down the speed sensor 5, and finishing the testing.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A speed sensor testing device is characterized by comprising a workbench (1), a testing assembly (2), a spacing adjusting assembly (3) and a limiting assembly (4); the testing component (2) is arranged on the workbench (1) and can rotate; the distance adjusting assembly (3) is arranged on the workbench (1) and can drive the speed sensor (5) to approach and leave the testing assembly (2) to test the speed sensor; the limiting assembly (4) is arranged on the workbench (1) and used for limiting the speed sensor (5).
2. The speed sensor testing device according to claim 1, characterized in that the testing assembly (2) comprises a speed regulating motor (2.1) and a testing gear (2.2); the speed regulating motor is arranged on the workbench; the testing gear is connected with the speed regulating motor and can rotate.
3. The speed sensor testing device according to claim 2, characterized in that the speed sensor (5) is aligned with the test gear wheel (2.2) in the radial direction of the test gear wheel (2.2).
4. The speed sensor testing device according to claim 1, characterized in that the spacing adjustment assembly (3) comprises a support (3.1), a ball screw (3.2) and a ramp (3.3) for mounting a speed sensor (5); the support (3.1) is arranged on the workbench (1); the ball screw (3.2) is mounted on a support (3.1); the sliding table (3.3) is arranged on the ball screw (3.2) and rotates to drive the speed sensor (5) to be close to and far away from the testing component (2) through the ball screw (3.2).
5. The speed sensor testing device according to claim 4, characterized in that the pitch adjustment assembly (3) further comprises a hand wheel (3.4) connected to the ball screw to facilitate the rotation of the ball screw.
6. The speed sensor testing device according to claim 5, characterized in that the hand wheel (3.4) is provided with length scales along its circumference for facilitating adjustment of the horizontal displacement of the speed sensor.
7. The speed sensor testing device of claim 6, wherein said spacing assembly comprises a stop; the stop block is movably arranged on the supporting piece or the workbench and can be matched with the supporting piece to limit the movement of the ball screw.
8. The speed sensor testing device according to claim 6, characterized in that the stop assembly comprises a first stop (4.1) and a second stop (4.2); the first stop block (4.1) is arranged on the support piece (3.1) and/or the workbench (1), and a first accommodating groove is formed in the first stop block (4.1); the second stop block (4.2) is connected with the first stop block through a threaded piece, and a second accommodating groove is formed in the second stop block; the first accommodating groove and the second accommodating groove are matched to form a channel for accommodating the ball screw, and the movement of the ball screw is limited by changing the specification of the channel through the screw.
9. The speed sensor testing device of claim 8, wherein the limit stop assembly further comprises a force lever (4.3); the stress application rod is connected with the threaded piece, so that the threaded piece can be rotated conveniently.
10. The apparatus of claim 9, wherein the first stop, the second stop, the support, and the slide are made of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011431070.4A CN112505358A (en) | 2020-12-07 | 2020-12-07 | Speed sensor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011431070.4A CN112505358A (en) | 2020-12-07 | 2020-12-07 | Speed sensor testing device |
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| Publication Number | Publication Date |
|---|---|
| CN112505358A true CN112505358A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011431070.4A Pending CN112505358A (en) | 2020-12-07 | 2020-12-07 | Speed sensor testing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013220392A1 (en) * | 2013-10-09 | 2015-04-09 | Messphysik Materials Testing Gmbh | Material testing machine with a spindle nut fixedly mounted spindle drive |
| CN105842482A (en) * | 2016-03-31 | 2016-08-10 | 中国航空动力机械研究所 | Sensor output test platform |
| CN109116052A (en) * | 2018-07-27 | 2019-01-01 | 宁波中车时代传感技术有限公司 | Velocity sensor gap adjust automatically and detection device |
| CN112014730A (en) * | 2020-07-30 | 2020-12-01 | 航天科工空间工程发展有限公司 | Testing device for motor load performance |
| CN213544603U (en) * | 2020-12-07 | 2021-06-25 | 湖南联诚轨道装备有限公司 | Speed sensor testing device |
-
2020
- 2020-12-07 CN CN202011431070.4A patent/CN112505358A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013220392A1 (en) * | 2013-10-09 | 2015-04-09 | Messphysik Materials Testing Gmbh | Material testing machine with a spindle nut fixedly mounted spindle drive |
| CN105842482A (en) * | 2016-03-31 | 2016-08-10 | 中国航空动力机械研究所 | Sensor output test platform |
| CN109116052A (en) * | 2018-07-27 | 2019-01-01 | 宁波中车时代传感技术有限公司 | Velocity sensor gap adjust automatically and detection device |
| CN112014730A (en) * | 2020-07-30 | 2020-12-01 | 航天科工空间工程发展有限公司 | Testing device for motor load performance |
| CN213544603U (en) * | 2020-12-07 | 2021-06-25 | 湖南联诚轨道装备有限公司 | Speed sensor testing device |
Non-Patent Citations (1)
| Title |
|---|
| 叶盛祥等主编: "光电干扰防护系统技术》", 31 December 2005, 国防工业出版社, pages: 272 * |
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