CN201110861Y - Vehicle speed sensor test stand - Google Patents
Vehicle speed sensor test stand Download PDFInfo
- Publication number
- CN201110861Y CN201110861Y CNU2007201224147U CN200720122414U CN201110861Y CN 201110861 Y CN201110861 Y CN 201110861Y CN U2007201224147 U CNU2007201224147 U CN U2007201224147U CN 200720122414 U CN200720122414 U CN 200720122414U CN 201110861 Y CN201110861 Y CN 201110861Y
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- CN
- China
- Prior art keywords
- vehicle speed
- speed sensor
- motor
- fixture block
- type fixture
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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 - Lifetime
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Abstract
The utility model discloses a test bench for vehicle speed sensors, which comprises a base (6), a vehicle speed sensor (1), a motor (5), which is fixed under the base (6) and controlled by a control element of a driving motor, and a guide post (3) fixed on the base. The upper end of the guide post (3) is fixed with a clamping device (2), the upper end of the speed sensor (1) is fixed on the clamping device (2), and the lower end of the speed sensor (1) is connected with an elastic shaft coupling (4) which is coaxially connected with the motor (5). The elastic shaft coupling can be arranged to absorb radial and axial deviation of the motor and the vehicle speed sensor, and concentricity of the motor and the speed sensor can be automatically regulated, thereby avoiding abnormal abrasion to the sensor and guaranteeing truth and reliability of experimental data. In addition, the clamping device (2) can be adaptable to endurance test of vehicle speed sensors with different vehicle types, and sample work-pieces are sound in universality of installation.
Description
Technical field
The utility model relates to a kind of vehicle speed sensor testing table, is specifically related to a kind of vehicle speed sensor testing table that can regulate right alignment automatically.
Background technology
Vehicle speed sensor is installed in the automobile gearbox, by with the corresponding relation of transmission shaft rotating speed, transfer signals to meter panel of motor vehicle, to realize real-time reflection to the automobile actual speed.For guaranteeing vehicle speed sensor energy operate as normal under the real vehicle state, be necessary its intensity and endurance quality are carried out relevant detection.According to the national standard requirement, can in 500-2500 rev/min the range of speeds, carry out long duration test to vehicle speed sensor.
The testing table that uses adopts motor-driven to replace the rotation of truck drive shaft, but has vehicle speed sensor and motor out-of-alignment problem at present, causes the heel and toe wear to exemplar easily; And when testing table was done the test of several exemplars at the same time, system relied on the unified actuating speed of adjusting each motor of a speed adjusting resistance, because there is certain difference in the performance of each motor own, therefore can not truly reflect the original differences of each exemplar and motor; When the vehicle speed sensor of test different automobile types, need do frock again in addition, so the versatility that exemplar is installed is bad.
The utility model content
The utility model provides a kind of vehicle speed sensor testing table that can regulate right alignment automatically, and its versatility is good, can adjust the concentricity between motor and the vehicle speed sensor automatically, has avoided the heel and toe wear to sensor, has guaranteed the true and reliable of test figure.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of vehicle speed sensor testing table, comprise base, vehicle speed sensor, be fixed on the motor that the drive motor control element is controlled that pass through of base below, also comprise the guidepost that is fixed on the base, the upper end of guidepost is fixed with clamping device, described vehicle speed sensor upper end is fixed on the clamping device, its lower end is connected with spring coupling, and this spring coupling is connected with described motor coaxle, and described drive motor control element comprises single-chip microcomputer and speed adjusting resistance.
Described spring coupling is the metal coil spring shaft coupling.
Described vehicle speed sensor testing table also comprises sensing element that is fixed on the motor output shaft and the photoelectric sensor that is fixed on the described base, and described photoelectric sensor is arranged on the periphery of sensing element, and corresponding with sensing element.
Be socketed with the motor Coupling Shaft on the described motor output shaft, described sensing element is fixed on the motor Coupling Shaft; The lower end of described vehicle speed sensor is provided with the sensor conversion head, and an end of spring coupling connects with vehicle speed sensor by the sensor conversion head, and its other end connects with motor output shaft by the motor Coupling Shaft.
Described sensing element is a correlation light lotus root sensing chip, and photoelectric sensor adopts correlation light lotus root sensor.
Described clamping device comprises daughter V-type fixture block and parent V-type fixture block, and described parent V-type fixture block and daughter V-type fixture block are provided with the V-type opening that matches; The V-arrangement opening two ends of parent V-type fixture block are provided with guide groove, match with guide groove in the V-arrangement opening two ends of daughter V-type fixture block.
In the guide groove of parent V-type fixture block and the opening two ends of daughter V-type fixture block are respectively equipped with the through hole that passes for screw, and described daughter V-type fixture block is connected with parent V-type fixture block by screw.
Described base is provided with the U type groove that slides for described guidepost.
The utlity model has following beneficial effect:
A. between motor and vehicle speed sensor, be provided with the metal coil spring shaft coupling, one end of metal coil spring shaft coupling connects with vehicle speed sensor by the sensor conversion head, the other end connects with motor output shaft by the motor Coupling Shaft, the metal coil spring shaft coupling can rely on the pliability of himself to absorb the radial missing and the axial deviation of motor and vehicle speed sensor, automatically adjust the concentricity of the two, avoided heel and toe wear, guaranteed the true and reliable of test figure sensor.
B. adopt clamping device to come the clamping exemplar, it comprises daughter V-type fixture block and parent V-type fixture block, vehicle speed sensor is stuck between daughter V-type fixture block and the parent V-type fixture block, folding size between daughter V-type fixture block and the parent V-type fixture block can be regulated by the precession length of adjusting screw, therefore the V-type fixture block comes the clamping exemplar can be fit to the vehicle speed sensor of various outer diameter, and its versatility is good.
C. can a speed adjusting resistance all be set regulate its voltage at each motor, so can be implemented under same rotating speed or the difference rotating speed vehicle speed sensor is done endurancing, control is accurately simple, and reaction is very fast.
D. because parent V-type fixture block can rotate around guidepost, and have U type groove on the base, guidepost can the U groove direction on base move, and conveniently adjusts coaxial between exemplar and the motor.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Fig. 1 is the front view of total assembling structure of the present utility model;
Fig. 2 is a test unit structural representation of the present utility model;
Fig. 3 is for only comprising the structural representation of single clamping device;
Fig. 4 is the vertical view of Fig. 1;
Fig. 5 is an exemplar clamping synoptic diagram of the present utility model;
Fig. 6 is a base synoptic diagram of the present utility model;
Fig. 7 is a parent form V-type fixture block front view of the present utility model;
Fig. 8 is a vertical view shown in Figure 7;
Fig. 9 is the cut-open view of A-A direction among Fig. 8;
Figure 10 is a subtype V-type fixture block front view of the present utility model;
Figure 11 is a vertical view shown in Figure 10.
Among the figure: 1, vehicle speed sensor 2, V-type fixture block 3, guidepost
4, spring coupling 5, motor 6, base 7, speed adjusting resistance
8, switch board 9, speed of a motor vehicle indicator gauge 10, sensor signal pilot lamp
11, correlation light lotus root sensing chip 12, correlation light lotus root sensor 13, sensor conversion head
14, motor Coupling Shaft 15. screws 16, parent V-type fixture block
17, daughter V-type fixture block 18, U type groove 19, guide groove
20, through hole 21, screw 22, output shaft.
Embodiment
With reference to figure 1-6, a kind of vehicle speed sensor testing table that can regulate right alignment automatically of the utility model comprises base 6, vehicle speed sensor 1, is fixed on the motor 5 that passes through the control of drive motor control element of base 6 belows, also comprise the guidepost 3 that is fixed on the base, the upper end of guidepost 3 is fixed with clamping device 2, described vehicle speed sensor 1 upper end is fixed on the clamping device 2, its lower end is connected with spring coupling 4, this spring coupling 4 and described 5 coaxial connections of motor; On motor 5 output shafts 22, be set with motor Coupling Shaft 14, sensing chip is fixed on the motor Coupling Shaft 14, be provided with in the periphery of sensing chip and be used for the photoelectric sensor of detecting motor 5 speed, photoelectric sensor is fixed on the base 6, and it is corresponding with sensing chip, sensing element adopts correlation light lotus root sensing chip 11, and photoelectric sensor adopts correlation light lotus root sensor 12.Be provided with sensor conversion head 13 in the lower end of vehicle speed sensor 1, an end of spring coupling 4 can be connected with vehicle speed sensor 1 by sensor conversion head 13, and its other end connects with motor 5 by motor Coupling Shaft 14; Employed spring coupling 4 is the metal coil spring shaft coupling, the metal coil spring shaft coupling is to be formed by cuts in metallic pipe, the centre of metal tube is cut into spiral fashion, its two ends are connected with vehicle speed sensor 1, motor 5 output shafts 22 by sensor conversion head 13, motor Coupling Shaft 14 respectively, as shown in Figures 2 and 3.
Figure 5 shows that exemplar clamping synoptic diagram, wherein clamping device 2 comprises daughter V-type fixture block 17 and parent V-type fixture block 16, shown in Fig. 7-11, respectively be provided with a V-type opening of working in coordination on daughter V-type fixture block 17 and the parent V-type fixture block 16, V-type opening two ends at parent V-type fixture block 16 are provided with guide groove 19, match with guide groove 19 in the two ends of the V-arrangement opening of daughter V-type fixture block 17.In the guide groove 19 of parent V-type the fixture block 16 and two ends of daughter V-type fixture block 17 openings respectively are provided with two through holes 20, screw 15 passes through hole 20 fixedlys connected daughter V-type fixture block 17 with parent V-type fixture block 16, vehicle speed sensor 1 is clipped between daughter V-type fixture block 17 and the parent V-type fixture block 16, control the size of clamping device 2 folding degree by the precession length of adjusting screw 15, the length of screw 15 precessions is little, the V-type opening can be big, otherwise aperture is just little, thereby the vehicle speed sensor of suitable various outer diameter, wherein, the degree of depth of guide groove 19 is exactly the distance that daughter can maximum be shifted out.Parent V-type fixture block 16 is sleeved on the end of guidepost 3, and be fixed on the guidepost 3 by the screw 21 on the parent V-type fixture block 16, clamping device 2 can be around guidepost 3 rotations, the position of conveniently adjusted vehicle speed sensor 1, as shown in Figure 6, have U type groove 18 on the base 6, guidepost 3 can move along U type groove 18 directions of base 6, thereby can be adjusted into vehicle speed sensor 1 and motor 5 coaxial very easily.
In addition, as can be seen from Figure 1, below base, be provided with switch board 8, in switch board 8, be provided with a cover drive motor control element and a sensor signal output element respectively at each clamping device, the drive motor control element comprises single-chip microcomputer and speed adjusting resistance, and the sensor signal output element comprises speed of a motor vehicle indicator gauge 9 and sensor signal pilot lamp 10.
As shown in Figure 4, base is provided with four clamping devices, and testing table can be tested 1-4 vehicle speed sensor 1 simultaneously.The rotating speed of each vehicle speed sensor is regulated by speed adjusting resistance separately, and rotating speed is 500-2500 rev/min.On switch board, be provided with and corresponding four speed of a motor vehicle indicator gauges that are used for showing motor 5 speed of each test unit respectively, and be provided with four corresponding with it sensor signal pilot lamp 10 that are used for reflecting the vehicle speed sensor quality.
During motor 5 runnings, its drive is fixed on the correlation light lotus root sensing chip 11 and the rotation of metal coil spring shaft coupling of motor 5 output shafts 22 ends, drive vehicle speed sensor 1 running by the metal coil spring shaft coupling then, the rotating speed of each motor 5 is regulated by speed adjusting resistance 7 separately respectively, after the rotating speed of motor 5 is responded to by correlation light lotus root sensing chip 11, correlation light lotus root sensor 12 collects the rate signal of motor 5, and this signal is transferred to speed of a motor vehicle indicator gauge 9, its speed can demonstrate in the speed of a motor vehicle indicator gauge 9 on switch board, on switch board, be provided with the sensor signal pilot lamp 10 that is used for reflecting the vehicle speed sensor quality in addition, when pilot lamp is bright, illustrate that corresponding with it vehicle speed sensor is intact.
Protection domain of the present utility model is not limited to above-mentioned embodiment, and the other technologies scheme of the simple transformation that those skilled in the art can expect all belongs to protection domain of the present utility model.
Claims (8)
1, a kind of vehicle speed sensor testing table, comprise base (6), vehicle speed sensor (1) and be fixed on the motor (5) that the drive motor control element is controlled that pass through of base (6) below, it is characterized in that: also comprise the guidepost (3) that is fixed on the base (6), the upper end of guidepost (3) is fixed with clamping device (2), described vehicle speed sensor (1) upper end is fixed on the clamping device (2), its lower end is connected with spring coupling (4), this spring coupling (4) and coaxial connection of described motor (5).
2, vehicle speed sensor testing table according to claim 1, it is characterized in that: also comprise sensing element that is fixed on motor (5) output shaft (22) and the photoelectric sensor that is fixed on the described base (1), described photoelectric sensor is arranged on the periphery of sensing element, and corresponding with sensing element.
3, vehicle speed sensor testing table according to claim 2 is characterized in that: be socketed with motor Coupling Shaft (14) on described motor (5) output shaft (22), described sensing element is fixed on the motor Coupling Shaft (14); The lower end of described vehicle speed sensor (1) is provided with sensor conversion head (13), and an end of spring coupling (4) connects with vehicle speed sensor by sensor conversion head (13), and its other end connects by the same motor of motor Coupling Shaft (14) (5) output shaft (22).
4, according to the described vehicle speed sensor testing table of claim 1,2 or 3, it is characterized in that: described spring coupling (4) is the metal coil spring shaft coupling.
5, according to claim 2 or 3 described vehicle speed sensor testing tables, it is characterized in that: described sensing element is a correlation light lotus root sensing chip (11), and photoelectric sensor adopts correlation light lotus root sensor (12).
6, vehicle speed sensor testing table according to claim 1, it is characterized in that: described clamping device (2) comprises daughter V-type fixture block (17) and parent V-type fixture block (16), and described parent V-type fixture block (16) and daughter V-type fixture block (17) are provided with the V-type opening that matches; The V-arrangement opening two ends of parent V-type fixture block (16) are provided with guide groove (19), match with guide groove (19) in the V-arrangement opening two ends of daughter V-type fixture block (17).
7, vehicle speed sensor testing table according to claim 6, it is characterized in that: in the guide groove (19) of parent V-type fixture block (16) and the opening two ends of daughter V-type fixture block (17) are respectively equipped with the through hole (20) that passes for screw (15), and described daughter V-type fixture block (17) is connected with parent V-type fixture block (16) by screw (15).
8, vehicle speed sensor testing table according to claim 7 is characterized in that: described base (6) is provided with the U type groove (18) that slides for described guidepost (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201224147U CN201110861Y (en) | 2007-08-24 | 2007-08-24 | Vehicle speed sensor test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201224147U CN201110861Y (en) | 2007-08-24 | 2007-08-24 | Vehicle speed sensor test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201110861Y true CN201110861Y (en) | 2008-09-03 |
Family
ID=39895396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201224147U Expired - Lifetime CN201110861Y (en) | 2007-08-24 | 2007-08-24 | Vehicle speed sensor test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201110861Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062465A (en) * | 2013-10-08 | 2014-09-24 | 中国计量科学研究院 | Accelerometer calibration system and calibration method within low g value range |
| CN104360105A (en) * | 2014-11-14 | 2015-02-18 | 宁波南车时代传感技术有限公司 | General testing system for railway vehicle velocity sensor |
| CN104407174A (en) * | 2014-12-02 | 2015-03-11 | 安徽江淮汽车股份有限公司 | Test bed for testing rotating speed sensor |
| CN105467157A (en) * | 2015-10-08 | 2016-04-06 | 国家电网公司 | Pedestal of wind direction accuracy detection device |
| CN106324287A (en) * | 2016-06-06 | 2017-01-11 | 浙江万安科技股份有限公司 | Vehicle wheel speed sensor detection device |
| CN107515313A (en) * | 2017-09-06 | 2017-12-26 | 长春中车轨道车辆有限公司 | City rail vehicle velocity sensor Detecting data and detection method |
| CN107525949A (en) * | 2017-08-22 | 2017-12-29 | 商丘师范学院 | 2 Linear-speed measuring instrument calibrating installations and calibration method |
| CN108445259A (en) * | 2018-04-11 | 2018-08-24 | 航天科技控股集团股份有限公司 | Device for car speed sensor endurance test |
| CN108508236A (en) * | 2018-04-11 | 2018-09-07 | 航天科技控股集团股份有限公司 | Automatic detection device for sensor endurance test |
| CN109917155A (en) * | 2017-12-13 | 2019-06-21 | 浙江科翔汽车部件科技有限公司 | A kind of portable ABS active wheel speed sensor on-line detector |
-
2007
- 2007-08-24 CN CNU2007201224147U patent/CN201110861Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062465A (en) * | 2013-10-08 | 2014-09-24 | 中国计量科学研究院 | Accelerometer calibration system and calibration method within low g value range |
| CN104360105A (en) * | 2014-11-14 | 2015-02-18 | 宁波南车时代传感技术有限公司 | General testing system for railway vehicle velocity sensor |
| CN104407174A (en) * | 2014-12-02 | 2015-03-11 | 安徽江淮汽车股份有限公司 | Test bed for testing rotating speed sensor |
| CN104407174B (en) * | 2014-12-02 | 2017-06-09 | 安徽江淮汽车集团股份有限公司 | A kind of speed probe is test bed |
| CN105467157B (en) * | 2015-10-08 | 2018-10-26 | 国家电网公司 | A kind of wind direction accuracy tester pedestal |
| CN105467157A (en) * | 2015-10-08 | 2016-04-06 | 国家电网公司 | Pedestal of wind direction accuracy detection device |
| CN106324287A (en) * | 2016-06-06 | 2017-01-11 | 浙江万安科技股份有限公司 | Vehicle wheel speed sensor detection device |
| CN106324287B (en) * | 2016-06-06 | 2022-11-15 | 浙江万安科技股份有限公司 | Vehicle wheel speed sensor detection device |
| CN107525949A (en) * | 2017-08-22 | 2017-12-29 | 商丘师范学院 | 2 Linear-speed measuring instrument calibrating installations and calibration method |
| CN107515313A (en) * | 2017-09-06 | 2017-12-26 | 长春中车轨道车辆有限公司 | City rail vehicle velocity sensor Detecting data and detection method |
| CN109917155A (en) * | 2017-12-13 | 2019-06-21 | 浙江科翔汽车部件科技有限公司 | A kind of portable ABS active wheel speed sensor on-line detector |
| CN108508236A (en) * | 2018-04-11 | 2018-09-07 | 航天科技控股集团股份有限公司 | Automatic detection device for sensor endurance test |
| CN108445259A (en) * | 2018-04-11 | 2018-08-24 | 航天科技控股集团股份有限公司 | Device for car speed sensor endurance test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080903 |
|
| CX01 | Expiry of patent term |