CN113419084A

CN113419084A - Test bed for wheel speed sensor

Info

Publication number: CN113419084A
Application number: CN202110765326.3A
Authority: CN
Inventors: 宋叶明; 文承; 沈敏娟; 宋叶华; 宋卓佳
Original assignee: Zhejiang Chuangbo Auto Parts Technology Co ltd
Current assignee: Zhejiang Chuangbo Auto Parts Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-09-21

Abstract

The invention discloses a test bed for a wheel speed sensor, which comprises a test bed, wherein a detection frame is arranged at the center of the top of the test bed, a placing groove is arranged on the detection frame, a sensor body is arranged in the placing groove, a first magnetic sensing head is arranged on the sensor body, a rotating wheel is arranged at the position, corresponding to the sensor body, of the top of the test bed, a second magnetic sensing head is arranged on the outer surface of the rotating wheel, an inner groove is arranged in the test bed, a driving gear and a driven gear which are meshed with each other are arranged in the inner groove, the central shaft of the driven gear is fixedly connected with the center of the bottom of the rotating wheel, and a groove is arranged at the bottom of the test bed. According to the invention, through the arrangement of the plurality of groups of placing grooves and the rotating wheel structure, the detection work can be simultaneously carried out on the plurality of sensors, the whole structure is simple to operate, the use is flexible and convenient, the detection test efficiency can be effectively improved, and the time is saved.

Description

Test bed for wheel speed sensor

Technical Field

The invention relates to the technical field of automobile part detection, in particular to a test bed for a wheel speed sensor.

Background

The wheel speed sensor is a sensor for measuring the rotational speed of the wheels of the vehicle. Wheel speed information is essential for modern vehicles, and is required for vehicle dynamic control systems (VDC), vehicle Electronic Stability Program (ESP), Antilock Brake Systems (ABS), control systems of automatic transmissions, and the like. Therefore, the wheel speed sensor is one of the most critical sensors in modern automobiles, and after the wheel speed sensor is produced, detection test work is usually required, so that a test bench for the wheel speed sensor has certain requirements;

the existing test bed for the wheel speed sensor is single in structure setting, single detection work can be only carried out on a single sensor, and when a plurality of sensors are required to be subjected to detection tests, the waiting time of required consumption is too long, the detection efficiency is low, and time and labor are wasted.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a test bed for a wheel speed sensor.

In order to achieve the purpose, the invention adopts the following technical scheme: a test bed for a wheel speed sensor comprises a test bed, wherein a test frame is arranged at the center of the top of the test bed, a placing groove is formed in the test frame, a sensor body is arranged in the placing groove, a first magnetic sensing head is arranged on the sensor body, a rotating wheel is arranged at the position, corresponding to the sensor body, of the top of the test bed, a second magnetic sensing head is arranged on the outer surface of the rotating wheel, an inner groove is formed in the test bed, a driving gear and a driven gear which are meshed with each other are arranged in the inner groove, the central shaft of the driven gear is fixedly connected with the center of the bottom of the rotating wheel, a groove is formed in the bottom of the test bed, a motor with an output end fixedly connected with the central shaft of the driving gear is arranged in the groove, a detector is arranged at the top of the test frame, a connecting wire is arranged on the detector, and a wiring head is arranged on the connecting wire, the sensor comprises a sensor body and is characterized in that a wire holder matched with a connector lug is arranged on the sensor body, a fixed column is fixedly connected to the top of the detection frame, a rotating frame is connected to the fixed column in a rotating mode, a screw rod is arranged on the rotating frame, and a clamping block is arranged at the bottom end of the screw rod.

Further, standing groove, runner, driven gear, connecting wire and fixed column structure all set up to a plurality ofly, and for the cooperation setting that corresponds each other.

Furthermore, the first magnetic induction head and the second magnetic induction head are positioned on the same horizontal line and are arranged in a mutually matched mode.

Furthermore, a protective cover is arranged at the position, corresponding to the rotating wheel, of the top of the test bed.

Further, a display is arranged on the top of the detector.

Furthermore, a thread groove in thread fit with the screw rod is formed in the rotating frame, and the clamping block is located above the sensor body.

The invention has the beneficial effects that:

this a test bench for fast sensor of wheel drives the runner through motor drive gear structure and rotates, and the magnetic head on through the runner cooperates with the magnetic head on the sensor, can carry out the fast detection achievement of wheel, and through multiunit standing groove and the runner structure that sets up, can detect the achievement to a plurality of sensors simultaneously, whole structure easy operation, it is nimble convenient to use, can effectively promote detection test efficiency, save time.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the gear structure of the present invention;

fig. 3 is a schematic structural view of a rotating frame according to the present invention.

Illustration of the drawings:

1. a test bed; 2. a detection frame; 3. a placement groove; 4. a sensor body; 5. a first magnetic head; 6. a rotating wheel; 7. a second magnetic head; 8. an inner tank; 9. a driving gear; 10. a driven gear; 11. a groove; 12. a motor; 13. a protective cover; 14. a detector; 15. a connecting wire; 16. a connector lug; 17. a wire holder; 18. a display; 19. fixing a column; 20. a rotating frame; 21. a thread groove; 22. a screw; 23. and a clamping block.

Detailed Description

FIG. 1 to FIG. 3 show, which relates to a test bed for a wheel speed sensor, comprising a test bed 1, a test frame 2 is arranged at the top center of the test bed 1, a placing groove 3 is arranged on the test frame 2, a sensor body 4 is arranged in the placing groove 3, a first magnetic head 5 is arranged on the sensor body 4, a rotating wheel 6 is arranged at the top of the test bed 1 corresponding to the sensor body 4, a second magnetic head 7 is arranged on the outer surface of the rotating wheel 6, an inner groove 8 is arranged in the test bed 1, a driving gear 9 and a driven gear 10 which are mutually engaged are arranged in the inner groove 8, the central axis of the driven gear 10 is fixedly connected with the bottom center of the rotating wheel 6, a groove 11 is arranged at the bottom of the test bed 1, a motor 12 with an output end fixedly connected with the central axis of the driving gear 9 is arranged in the groove 11, a detector 14 is arranged at the top of the test bed 2, and a connecting line 15 is arranged on the detector 14, be provided with connector lug 16 on the connecting wire 15, be provided with on the sensor body 4 with connector lug 16 matched with connection terminal 17, the top fixedly connected with fixed column 19 of testing jig 2 rotates on the fixed column 19 and is connected with rotating turret 20, is provided with screw rod 22 on the rotating turret 20, and screw rod 22's bottom is provided with chucking piece 23.

When the test bed for the wheel speed sensor is used, a sensor to be tested is placed in the placing groove 3, the first magnetic sensing head 5 corresponds to the position of the rotating wheel 6, the wire connecting head 16 on the connecting wire 15 is butted with the wire connecting seat 17, the circuit butting work can be completed, the rotating frame 20 is rotated, the clamping block 23 is moved to the position above the sensor, the screw rod 22 is rotated, the screw rod 22 drives the clamping block 23 to descend, the sensor can be positioned and clamped, the motor 12 is started, the motor 12 drives the driving gear 9 to rotate, the driving gear 9 drives the driven gear 10 to rotate, the driven gear 10 drives the rotating wheel 6 to rotate, the rotating wheel 6 drives the second magnetic sensing head 7 to rotate, the wheel speed detection work can be performed through the induction matching of the first magnetic sensing head 5 and the second magnetic sensing head 7, meanwhile, the detected signal can be fed back to the detector 14, the data can be displayed through the display 18, and the test work of the wheel speed sensor can, a plurality of sensors can be placed simultaneously to the structure, can test a plurality of sensors simultaneously.

In the further scheme, standing groove 3, runner 6, driven gear 10, connecting wire 15 and fixed column 19 structure all set up to a plurality ofly, and for the cooperation setting that corresponds each other, can carry out test operation to a plurality of sensors simultaneously through the setting of structure, and it is more convenient to use, can effectively promote detection efficiency.

In a further scheme, the first magnetic sensing head 5 and the second magnetic sensing head 7 are located on the same horizontal line and are arranged in a matched mode, the sensor can stably work through the arrangement of the structure, and the rotating speed of the rotating wheel 6 is detected.

In a further scheme, a protective cover 13 is arranged at the position, corresponding to the rotating wheel 6, of the top of the test bed 1, and the arrangement of the protective cover 13 can improve the operation safety of the test bed 1.

In a further scheme, the top of the detector 14 is provided with the display 18, the display 18 can be matched with the detector 14, the detection result can be visually displayed, and detection, comparison and observation are facilitated.

In a further scheme, be provided with on the rotating turret 20 with screw rod 22 looks screw thread fit's thread groove 21, chucking piece 23 position is located the top position of sensor body 4, through the setting of structure, can carry out fixed work to the sensor to the stability and the precision of structure operation when guaranteeing to detect.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A test bench for a wheel speed sensor, comprising a test bench (1), characterized in that: the testing table is characterized in that a testing frame (2) is arranged at the center of the top of the testing table (1), a placing groove (3) is arranged on the testing frame (2), a sensor body (4) is arranged in the placing groove (3), a first magnetic sensing head (5) is arranged on the sensor body (4), a rotating wheel (6) is arranged at the position, corresponding to the sensor body (4), of the top of the testing table (1), a second magnetic sensing head (7) is arranged on the outer surface of the rotating wheel (6), an inner groove (8) is arranged in the testing table (1), a driving gear (9) and a driven gear (10) which are meshed with each other are arranged in the inner groove (8), the central shaft of the driven gear (10) is fixedly connected with the center of the bottom of the rotating wheel (6), a groove (11) is arranged at the bottom of the testing table (1), and a motor (12) with the output end fixedly connected with the central shaft of the driving gear (9) is arranged in the groove (11), the top of test rack (2) is provided with detector (14), be provided with connecting wire (15) on detector (14), be provided with connector lug (16) on connecting wire (15), be provided with on sensor body (4) with connector lug (16) matched with wire holder (17), the top fixedly connected with fixed column (19) of test rack (2), it is connected with rotating turret (20) to rotate on fixed column (19), be provided with screw rod (22) on rotating turret (20), the bottom of screw rod (22) is provided with chucking piece (23).

2. The test stand for a wheel speed sensor of claim 1, wherein: standing groove (3), runner (6), driven gear (10), connecting wire (15) and fixed column (19) structure all sets up to a plurality ofly, and for mutual corresponding cooperation setting.

3. The test stand for a wheel speed sensor of claim 1, wherein: the first magnetic induction head (5) and the second magnetic induction head (7) are positioned on the same horizontal line and are arranged in a mutually matched mode.

4. The test stand for a wheel speed sensor of claim 1, wherein: and a protective cover (13) is arranged at the position, corresponding to the rotating wheel (6), of the top of the test bed (1).

5. The test stand for a wheel speed sensor of claim 1, wherein: a display (18) is arranged on the top of the detector (14).

6. The test stand for a wheel speed sensor of claim 1, wherein: the rotating frame (20) is provided with a thread groove (21) in thread fit with the screw rod (22), and the clamping block (23) is located above the sensor body (4).