A torque detection device and detection method for a steering wheel angle sensor

Abstract

The present invention discloses a torque detection device and detection method of a steering wheel angle sensor, which relates to the technical field of torque detection equipment, including a detection box, a lifting mechanism is arranged in the detection box, a detection mechanism is arranged on a detection platform, the detection mechanism includes a dual-axis motor, a fixed clamping plate, a servo motor, a detection rod and a torque sensor, two symmetrically arranged fixed clamping plates are arranged on both sides of each dual-axis motor, the servo motor is fixedly installed in the middle of the bottom surface of the detection box, torque sensors are arranged above the four corners of the detection platform, and cooling components are arranged below the two detection platforms. The torque detection device and detection method of a steering wheel angle sensor disclosed by the present invention have the technical effects of clamping and fixing the detected steering wheel angle sensor to ensure the stability of the detection process, detecting multiple steering wheel angle sensors at the same time, and realizing continuous detection and high detection efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of torque detection equipment, and in particular to a torque detection device and a detection method for a steering wheel angle sensor. Background Art

[0002] The steering wheel angle sensor is an important component of the automobile steering system and also a component of the automobile electronic stability program (ESP). It is mainly used to provide steering wheel rotation angle signals and angular velocity signals. For example, the electric power steering system (EPS) obtains the steering wheel rotation angle and angular velocity through the steering wheel angle sensor to adjust the power steering effect according to the speed resistance. The stability of its accuracy and quality is directly related to driving safety. Therefore, in the production process of steering wheel angle sensors, it is necessary to test the torque performance of the product.

[0003] The existing detection method can only test the torque performance of a single steering wheel angle sensor at a time. When a large number of steering wheel angle sensors need to be tested, it takes a lot of time. After the test is completed, it is necessary to stop and wait for the next steering wheel angle sensor to be placed before continuing the test. The detection continuity is poor, resulting in low detection efficiency, and the stability of the detection process cannot be guaranteed, and the detection results are prone to errors. Summary of the invention

[0004] The present invention discloses a torque detection device and a detection method for a steering wheel angle sensor, aiming to solve the technical problems that the torque performance of only a single steering wheel angle sensor can be tested each time, the detection continuity of multiple steering wheel angle sensors is poor, resulting in low detection efficiency, and the stability during the detection process cannot be guaranteed, and the detection results are prone to errors.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A torque detection device for a steering wheel angle sensor comprises a detection box, wherein a lifting mechanism is arranged in the detection box, wherein the lifting mechanism comprises an electric telescopic rod, wherein the electric telescopic rod is fixedly mounted on one side of the middle portion of the inner wall of the bottom surface of the detection box, wherein two detection platforms are arranged on the lifting mechanism, wherein the detection platform is provided with a detection mechanism, wherein the detection mechanism comprises a dual-axis motor, a fixed clamping plate, a servo motor, a detection rotating rod and a torque sensor, wherein two dual-axis motors are arranged in the middle portions of both sides of the top surface of the detection platform, wherein two symmetrically arranged fixed clamping plates are arranged on both sides of each of the dual-axis motors, wherein the servo motor is fixedly mounted in the middle portion of the bottom surface of the detection box, wherein torque sensors are arranged above the four corners of the detection platform, and wherein cooling components are arranged below the two detection platforms.

[0007] By providing a detection box, a lifting mechanism, a detection platform, a detection mechanism and a cooling component, the steering wheel angle sensor is installed on the top of the detection rod, the dual-axis motor is adjusted to make the fixed splint clamp the angle sensor to ensure the stability of the detection process, the electric telescopic rod is stretched and adjusted to make the detection platform enter the detection box, and the servo motor is started to rotate multiple detection rods at the same time to achieve simultaneous detection of multiple steering wheel angle sensors. During the detection process, the cooling component is used to cool down the components on the detection platform, and multiple steering wheel angle sensors are installed on the surface of the detection rod on another detection platform, waiting for detection, thereby achieving continuous detection.

[0008] In a preferred scheme, the detection mechanism includes two brackets three, the two brackets three are fixedly connected to the middle of both sides of the top surface of the detection platform, the double-axis motor is fixedly installed inside the bracket three, and the two power output shafts of the double-axis motor are connected to the connecting rod one through a coupling transmission, the end of the connecting rod one away from the double-axis motor is fixedly connected to the screw rod one, the end of the screw rod one away from the connecting rod one is fixedly connected to the connecting rod two, and the end of the connecting rod two away from the screw rod one is fixedly connected to the screw rod two; the surfaces of the screw rod one and the screw rod two are both threadedly connected to a moving frame, the top outer wall of each moving frame is fixedly connected to a fixed splint, the ends of the connecting rod one and the screw rod two away from each other are both sleeved with a positioning seat two, the positioning seat two is fixedly connected to the top surface of the detection platform, a guide rod is fixedly connected between the two positioning seats two, and the moving frame is slidably arranged on the surface of the guide rod; the power output shaft of the servo motor is connected to the driving wheel one through a coupling transmission, the driving wheel The top surface of wheel one is fixedly connected with a connecting rod, and the top surface of the connecting rod is fixedly connected with a driving wheel two. Two driven wheels symmetrically arranged about the servo motor are arranged above the detection platform. The two driven wheels have different heights, and the driven wheels are rotatably arranged in the detection platform through a rotating rod. The surface of the driving wheel one and the lower driven wheel are meshed with the same belt one, and the surface of the driving wheel two and the upper driven wheel are meshed with the same belt two; the top surfaces of the two driven wheels are fixedly connected with a rotating rod two, and the top of the rotating rod two is fixedly connected with a gear two, and gears three are arranged on both sides of the two gears two, and the surfaces of the gears two and the two gears three on the same side are meshed with the same synchronous belt, and the interior of each gear three is fixedly connected with a detection rotating rod, and the bottom of the detection rotating rod is rotatably arranged inside the detection platform, and the top surface of the detection platform is fixedly connected with four brackets four, and the torque sensor is fixedly installed on the top surface of the bracket four, and the torque sensor is installed on the surface of the detection rotating rod.

[0009] By providing a detection mechanism, before detection, multiple steering wheel angle sensors are respectively installed on the top ends of multiple detection rotating rods, and the dual-axis motor is started to clamp and fix the steering wheel angle sensor with two fixed clamps, so as to improve the stability of the detection process and avoid errors in the detection results. The detection platform enters the detection box, and the servo motor is started to rotate the multiple detection rotating rods inside the steering wheel angle sensor, so as to realize torque detection of multiple steering wheel angle sensors with high detection efficiency. During detection, the steering wheel angle sensor is installed on the top end of the detection rotating rod on the detection platform on the other side, and wait for detection, so as to realize continuous detection.

[0010] In a preferred embodiment, the output end of the electric telescopic rod is fixedly connected with a rack, the rack is slidably arranged on the inner wall of the bottom surface of the detection box, and the top surface of the rack is fixedly connected with a sliding seat, the surface of the sliding seat is meshed with a gear 1, and both ends of the gear 1 are fixedly connected with a rotating rod 1, and the inner wall of the bottom surface of the detection box is fixedly connected with two positioning seats 1, and the rotating rod 1 is rotatably arranged inside the positioning seat 1; the ends of the two rotating rods 1 away from each other are fixedly connected with a rotating plate, and the outer wall of the rotating plate away from the rotating rod 1 is fixedly connected with a movable block, the inner wall of the bottom surface of the detection box is fixedly connected with a bracket 1 and a bracket 2, and the bracket 1 and the bracket 2 are arranged below the ends of two adjacent surfaces of the detection platform away from each other, and the top outer walls of the bracket 1 and the bracket 2 are fixedly connected with the fixed rod, and the detection platform The outer walls of the ends of two adjacent surfaces that are away from each other are fixedly connected to a fixing rod, a steering plate 1 is rotatably provided on the surface of the fixing rod on the bracket 1, a guide sleeve is fixedly connected to the outer wall of the steering plate 1 on one side close to the rotating rod 1, a movable block is slidably arranged inside the guide sleeve, a steering plate 2 is rotatably provided on the end of the steering plate 1 away from the bracket 1, an end of the steering plate 2 away from the steering plate 1 is rotatably arranged on the surface of one of the fixing rods on the side wall of the detection platform, the steering plate 1 and the steering plate 2 are arranged in a V shape, a steering plate 3 is rotatably provided on the surface of the fixing rod on the bracket 2, a steering plate 4 is rotatably provided on the end of the steering plate 3 away from the bracket 2, and a steering plate 4 is rotatably provided on the surface of another fixing rod on the side wall of the detection platform at an end of the steering plate 4 away from the steering plate 3, and the steering plate 3 and the steering plate 4 are arranged in a V shape.

[0011] By setting up a lifting mechanism, after installing the steering wheel angle sensor, stretch and adjust the electric telescopic rod to make the detection platform enter the detection box and start detection. The detection platform on the other side rises to the top of the detection box. The two detection platforms are used alternately to achieve continuous and uninterrupted detection.

[0012] In a preferred scheme, the cooling component includes a driving motor, which is fixedly mounted on the inner wall of the bottom surface of the detection box, and the power output shaft of the driving motor is connected to the driving rod through a coupling transmission, the top of the driving rod is fixedly connected to two symmetrically arranged movable frames, and a gear four is rotatably arranged on the top surface of one end of the movable frame away from the driving rod, a bracket five is fixedly connected to the inner wall of the bottom surface of the detection box, and a ring rack is fixedly connected to the outer wall of the top end of the bracket five, and the gear four is meshed with the ring rack; the bottom surface of the gear four is fixedly connected to a rotating disk, one end of the bottom surface of the rotating disk is fixedly connected to an eccentric rod, and a steering plate five is rotatably arranged on the surface of the eccentric rod, a guide seat is slidably arranged inside the movable frame, and the bottom surface of the guide seat is fixedly connected to a positioning rod, and the steering plate five is rotatably arranged on the surface of the positioning rod at one end away from the eccentric rod, and the top surface of the guide seat is fixedly connected to a fan frame, and a fan is fixedly installed inside the fan frame, and the output direction of the fan is toward the side of the detection platform.

[0013] By providing a cooling component, during the detection process, the drive motor is started to continuously change the position of the fan, so that the wind force generated by the fan acts evenly on the detection platform, achieving uniform heat dissipation and good heat dissipation effect.

[0014] A method for detecting torque of a steering wheel angle sensor, using a torque detection device of a steering wheel angle sensor as described above, comprises the following steps:

[0015] Step 1: Before testing, install multiple steering wheel angle sensors on the top of multiple detection rods on one side of the detection platform, adjust the dual-axis motor to move the fixed clamping plate toward one side of the steering wheel angle sensor and clamp it to ensure the stability of the detection process;

[0016] Step 2: Stretch and adjust the electric telescopic rod to make the detection platform with the steering wheel angle sensor installed move downward and enter the interior of the detection box, start the servo motor to make multiple detection rods rotate simultaneously, and realize simultaneous detection of multiple steering wheel angle sensors;

[0017] Step 3: When one detection platform enters the detection box, the other detection platform rises to the top of the detection box at the same time. During the detection process, multiple steering wheel angle sensors are installed on the surface of the detection rod on the other detection platform and wait for detection to achieve continuous detection.

[0018] From the above, it can be seen that the torque detection device of the steering wheel angle sensor provided by the present invention has the function of clamping and fixing the steering wheel angle sensor to be detected, thereby ensuring the stability of the detection process, and detecting multiple steering wheel angle sensors at the same time, thereby realizing continuous detection and achieving the technical effect of high detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1This is a schematic diagram of the overall structure of a torque detection device for a steering wheel angle sensor proposed by the present invention.

[0020] Figure 2 This is a schematic diagram of the internal structure of a detection box of a torque detection device for a steering wheel angle sensor proposed by the present invention.

[0021] Figure 3 This is a structural side view of an electric telescopic rod of a torque detection device of a steering wheel angle sensor proposed by the present invention.

[0022] Figure 4 This is a structural side view of a detection mechanism of a torque detection device of a steering wheel angle sensor proposed by the present invention.

[0023] Figure 5 This is a structural side view of a servo motor of a torque detection device of a steering wheel angle sensor proposed by the present invention.

[0024] Figure 6 This is a structural side view of a cooling mechanism of a torque detection device of a steering wheel angle sensor proposed by the present invention.

[0025] Figure 7 This is a bottom view of the structure of the rotating disk of a torque detection device of a steering wheel angle sensor proposed by the present invention.

[0026] In the figure: 1. detection box; 2. lifting mechanism; 201. electric telescopic rod; 202. rack; 203. slide seat; 204. gear one; 205. rotating rod one; 206. positioning seat one; 207. rotating plate; 208. movable block; 209. bracket one; 210. bracket two; 211. fixed rod; 212. steering plate one; 213. guide sleeve; 214. steering plate two; 215. steering plate three; 216. steering plate four; 3. detection platform; 4. detection mechanism; 401. bracket three; 402. double-axis motor; 403. connecting rod one; 404. screw rod one; 405. connecting rod two; 406. screw rod two; 407. moving frame; 408. positioning seat two; 409. guide rod; 410. Fixed splint; 411. Servo motor; 412. Driving wheel one; 413. Connecting rod; 414. Driving wheel two; 415. Driven wheel; 416. Belt one; 417. Belt two; 418. Rotating rod two; 419. Gear two; 420. Gear three; 421. Synchronous belt; 422. Detection rotating rod; 423. Bracket four; 424. Torque sensor; 5. Cooling assembly; 501. Driving motor; 502. Driving rod; 503. Movable frame; 504. Gear four; 505. Ring rack; 506. Bracket five; 507. Rotating disk; 508. Eccentric rod; 509. Steering plate five; 510. Guide seat; 511. Positioning rod; 512. Fan frame; 513. Fan. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] A torque detection device for a steering wheel angle sensor disclosed in the present invention is mainly used in scenarios where only a single steering wheel angle sensor can be tested for torque performance each time, and the detection continuity of multiple steering wheel angle sensors is poor, resulting in low detection efficiency, and the stability during the detection process cannot be guaranteed, resulting in errors in the detection results.

[0029] Reference Figure 1-Figure 7 A torque detection device for a steering wheel angle sensor comprises a detection box 1, wherein a lifting mechanism 2 is arranged in the detection box 1, wherein the lifting mechanism 2 comprises an electric telescopic rod 201, wherein the electric telescopic rod 201 is fixedly mounted on one side of the middle part of the inner wall of the bottom surface of the detection box 1, wherein two detection platforms 3 are arranged on the lifting mechanism 2, wherein a detection mechanism 4 is arranged on the detection platform 3, wherein the detection mechanism 4 comprises a dual-axis motor 402, a fixed clamping plate 410, a servo motor 411, a detection rotating rod 422 and a torque sensor 424, wherein two dual-axis motors 402 are arranged, wherein the two dual-axis motors 402 are arranged in the middle part of both sides of the top surface of the detection platform 3, wherein two symmetrically arranged fixed clamping plates 410 are arranged on both sides of each dual-axis motor 402, wherein the servo motor 411 is fixedly mounted on the middle part of the bottom surface of the detection box 1, wherein torque sensors 424 are arranged above the four corners of the detection platform 3, and wherein cooling components 5 are arranged below the two detection platforms 3.

[0030] Specifically, before the detection, multiple steering wheel angle sensors are respectively installed on the top of multiple detection rotating rods 422 on one side of the detection platform 3, the dual-axis motor 402 is adjusted to make the fixed clamping plate 410 move toward one side of the steering wheel angle sensor and clamp it to ensure the stability of the detection process, the electric telescopic rod 201 is stretched and adjusted to make the detection platform 3 with the steering wheel angle sensor installed move downward and enter the interior of the detection box 1, and the servo motor 411 is started to make the multiple detection rotating rods 422 rotate at the same time to realize the simultaneous detection of multiple steering wheel angle sensors. When the detection platform 3 on one side enters the detection box 1, the detection platform 3 on the other side rises to the top of the detection box 1 at the same time. During the detection process, the cooling component 5 is used to cool down the components on the detection platform 3 to improve the use quality and life of each component and avoid high temperature scalding the operator. Multiple steering wheel angle sensors are installed on the surface of the detection rotating rod 422 on another detection platform 3, waiting for detection, and realizing continuous detection.

[0031] Reference Figure 1 , Figure 2 , Figure 4and Figure 5 In a preferred embodiment, the detection mechanism 4 includes two brackets 3 401, the two brackets 3 401 are fixedly connected to the middle of both sides of the top surface of the detection platform 3, the dual-axis motor 402 is fixedly installed inside the bracket 3 401, and the two power output shafts of the dual-axis motor 402 are connected to the connecting rod 1 403 through a coupling transmission, the end of the connecting rod 1 403 away from the dual-axis motor 402 is fixedly connected to the screw rod 1 404, the end of the screw rod 1 404 away from the connecting rod 1 403 is fixedly connected to the connecting rod 2 405, and the end of the connecting rod 2 405 away from the screw rod 1 404 is fixedly connected There is a screw rod 406; the surfaces of the screw rod 1 404 and the screw rod 2 406 are threadedly connected with a movable frame 407, and the top outer wall of each movable frame 407 is fixedly connected with a fixed clamping plate 410, and the ends of the connecting rod 1 403 and the screw rod 2 406 that are away from each other are sleeved with a positioning seat 2 408, and the positioning seat 2 408 is fixedly connected to the top surface of the detection platform 3, and a guide rod 409 is fixedly connected between the two positioning seats 2 408, and the movable frame 407 is slidably set on the surface of the guide rod 409; the power output shaft of the servo motor 411 is connected to the driving wheel 1 412 through a coupling transmission, and the driving wheel 1 The top surface of the detection platform 3 is fixedly connected with a connecting rod 413, and the top surface of the connecting rod 413 is fixedly connected with a driving wheel 2 414. Two driven wheels 415 are symmetrically arranged about the servo motor 411, and the heights of the two driven wheels 415 are different. The driven wheels 415 are rotatably arranged in the detection platform 3 through a rotating rod. The surfaces of the driving wheel 1 412 and the lower driven wheel 415 are meshed with the same belt 1 416, and the surfaces of the driving wheel 2 414 and the upper driven wheel 415 are meshed with the same belt 2 417; the top surfaces of the two driven wheels 415 are fixedly connected with the rotating rod 2 414. 18. The top of the rotating rod 218 is fixedly connected with a gear 219, and gears 310 are arranged on both sides of the two gears 219. The surfaces of the gears 219 and the two gears 310 420 on the same side are meshed with the same synchronous belt 421. The interior of each gear 310 420 is fixedly connected with a detection rotating rod 422, and the bottom of the detection rotating rod 422 is rotatably arranged inside the detection platform 3. The top surface of the detection platform 3 is fixedly connected with four brackets 423, and the torque sensor 424 is fixedly installed on the top surface of the brackets 423, and the torque sensor 424 is installed on the surface of the detection rotating rod 422.

[0032] Specifically, before the detection, multiple steering wheel angle sensors are respectively installed on the top ends of multiple detection rotating rods 422, and the dual-axis motor 402 is started to rotate the connecting rod 1 403, driving the screw rod 1 404, the connecting rod 2 405 and the screw rod 2 406 to rotate synchronously, and the moving frame 407 slides along the surface of the screw rod 1 404 and the screw rod 2 406, so that the two fixed clamping plates 410 move toward one side of the steering wheel angle sensor and clamp it to fix it, so as to improve the stability of the detection process and avoid errors in the detection results. After installation, the detection platform 3 enters the detection In the measuring box 1, the servo motor 411 is started to make the driving wheel 1 412 and the driving wheel 2 414 rotate synchronously, driving the driven wheels 415 on both sides to rotate synchronously, and the gear 2 419 and the two gears 3 420 are rotated synchronously through the synchronous belt 421, driving multiple detection rods 422 to rotate inside the steering wheel angle sensor, thereby realizing torque detection of multiple steering wheel angle sensors with high detection efficiency. During detection, the steering wheel angle sensor is installed on the top of the detection rod 422 on the detection platform 3 on the other side, waiting for detection, thereby realizing continuous detection.

[0033] Reference Figure 2 , Figure 3 and Figure 4In a preferred embodiment, the output end of the electric telescopic rod 201 is fixedly connected to a rack 202, the rack 202 is slidably arranged on the bottom inner wall of the detection box 1, and the top surface of the rack 202 is fixedly connected to a slide 203, the surface of the slide 203 is meshed with a gear 204, both ends of the gear 204 are fixedly connected to a rotating rod 205, and the bottom inner wall of the detection box 1 is fixedly connected to two positioning seats 206, and the rotating rod 205 is rotatably arranged inside the positioning seat 206; the two The ends of the rotating rods 205 that are away from each other are fixedly connected to the rotating plates 207, and the outer wall of the rotating plates 207 that are away from the rotating rods 205 is fixedly connected to the movable block 208. The inner wall of the bottom surface of the detection box 1 is fixedly connected to the bracket 1 209 and the bracket 2 210. The bracket 1 209 and the bracket 2 210 are arranged below the ends of the two adjacent surfaces of the detection platform 3 that are away from each other. The outer walls of the top ends of the brackets 1 209 and the bracket 2 210 are fixedly connected to the fixed rods 211. The two adjacent surfaces of the detection platform 3 are fixedly connected to the inner wall of the bottom surface of the detection box 1. The outer walls of the ends of the two surfaces away from each other are fixedly connected with a fixed rod 211, and a steering plate 212 is rotatably provided on the surface of the fixed rod 211 on the bracket 209. A guide sleeve 213 is fixedly connected to the outer wall of the steering plate 212 on one side close to the rotating rod 205. The movable block 208 is slidably provided inside the guide sleeve 213. A steering plate 214 is rotatably provided at one end of the steering plate 212 away from the bracket 209. The end of the steering plate 214 away from the steering plate 212 is rotatably provided on the detection plane. On the surface of one of the fixed rods 211 on the side wall of the platform 3, the steering plate 1 212 and the steering plate 2 214 are arranged in a V shape, and the surface of the fixed rod 211 on the bracket 210 is rotatably provided with a steering plate 3 215, and the end of the steering plate 3 215 away from the bracket 210 is rotatably provided with a steering plate 4 216, and the end of the steering plate 4 216 away from the steering plate 3 215 is rotatably provided on the surface of another fixed rod 211 on the side wall of the detection platform 3, and the steering plate 3 215 and the steering plate 4 216 are arranged in a V shape.

[0034] Specifically, after the steering wheel angle sensor is installed, the electric telescopic rod 201 is stretched and adjusted to move the slide 203, and the slide 203 is meshed with the gear 1 204. The gear 1 204 drives the two rotating rods 1 205 to rotate at the same time, and then the two rotating plates 207 rotate at the same time, and the movable block 208 slides along the inside of the guide sleeve 213, so that the angle between the steering plate 1 212 and the steering plate 2 214 on one side gradually decreases, and at the same time, the angle between the steering plate 3 215 and the steering plate 4 216 gradually decreases, and the detection platform 3 enters the detection box 1 and starts to detect. At the same time, the angle between the steering plate 1 212 and the steering plate 2 214 on the other side gradually increases, and the angle between the steering plate 3 215 and the steering plate 4 216 on the other side also gradually increases, so that the detection platform 3 on the other side rises to the top of the detection box 1, and the two detection platforms 3 are used alternately to achieve continuous and uninterrupted detection.

[0035] It should be noted that when the electric telescopic rod 201 reaches the maximum and minimum stretching distances, the movable block 208 on one side rotates to the uppermost end, and the movable block 208 on the other side rotates to the lowermost end, so that the two detection platforms 3 are respectively at the highest point and the lowest point.

[0036] Reference Figure 2 , Figure 6 and Figure 7 In a preferred embodiment, the cooling assembly 5 includes a driving motor 501, which is fixedly mounted on the inner wall of the bottom surface of the detection box 1, and the power output shaft of the driving motor 501 is connected to the driving rod 502 through a coupling transmission, and the top of the driving rod 502 is fixedly connected to two symmetrically arranged movable frames 503, and the top surface of the movable frame 503 away from the driving rod 502 is rotatably provided with a gear four 504, the inner wall of the bottom surface of the detection box 1 is fixedly connected to a bracket five 506, and the outer wall of the top of the bracket five 506 is fixedly connected to an annular rack 505, and the gear four 504 is meshed with the annular rack 505. The bottom surface of the gear 4 504 is fixedly connected with a rotating disk 507, one end of the bottom surface of the rotating disk 507 is fixedly connected with an eccentric rod 508, and the surface of the eccentric rod 508 is rotatably provided with a steering plate 509, and the inside of the movable frame 503 is slidably provided with a guide seat 510, the bottom surface of the guide seat 510 is fixedly connected with a positioning rod 511, and one end of the steering plate 509 away from the eccentric rod 508 is rotatably provided on the surface of the positioning rod 511, and the top surface of the guide seat 510 is fixedly connected with a fan frame 512, and a fan 513 is fixedly installed inside the fan frame 512, and the output direction of the fan 513 is toward the side of the detection platform 3.

[0037] Specifically, during the detection process, the drive motor 501 is started to rotate the drive rod 502, driving the movable frame 503 to rotate around the drive rod 502, and the gear four 504 is engaged with the annular rack 505, so that the gear four 504 drives the rotating disk 507 to rotate, and then the eccentric rod 508 drives the steering plate five 509 to rotate, so that the guide seat 510 reciprocates along the inside of the movable frame 503, and the position of the fan 513 is constantly changed, so that the wind force generated by the fan 513 acts evenly on the detection platform 3, achieving uniform heat dissipation and good heat dissipation effect.

[0038] A method for detecting torque of a steering wheel angle sensor, using a torque detection device of a steering wheel angle sensor as described above, comprises the following steps:

[0039] Step 1: Before testing, multiple steering wheel angle sensors are respectively installed on the top of multiple detection rods 422 on one side of the detection platform 3, and the dual-axis motor 402 is adjusted to move the fixed clamping plate 410 toward one side of the steering wheel angle sensor and clamp it to ensure the stability of the detection process;

[0040] Step 2: stretch and adjust the electric telescopic rod 201 to make the detection platform 3 with the steering wheel angle sensor installed move downward and enter the interior of the detection box 1, start the servo motor 411 to make multiple detection rotating rods 422 rotate simultaneously, so as to realize simultaneous detection of multiple steering wheel angle sensors;

[0041] Step 3, when the detection platform 3 on one side enters the detection box 1, the detection platform 3 on the other side rises to the top of the detection box 1 at the same time. During the detection process, multiple steering wheel angle sensors are installed on the surface of the detection rod 422 on the other detection platform 3, waiting for detection to achieve continuous detection.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A torque detection device for a steering wheel angle sensor, comprising a detection box (1), characterized in that: The detection box (1) is provided with a lifting mechanism (2), the lifting mechanism (2) comprising an electric telescopic rod (201), the electric telescopic rod (201) being fixedly mounted on one side of the middle portion of the inner wall of the bottom surface of the detection box (1), the lifting mechanism (2) being provided with two detection platforms (3), the detection platform (3) being provided with a detection mechanism (4), the detection mechanism (4) comprising a dual-axis motor (402), a fixed clamping plate (410), a servo motor (411), a detection rotating rod (422) and a torque sensor The detection box (1) comprises a detection device (424), two dual-axis motors (402) are provided, the two dual-axis motors (402) are arranged at the middle of both sides of the top surface of the detection platform (3), two symmetrically arranged fixing clamps (410) are arranged on both sides of each dual-axis motor (402), the servo motor (411) is fixedly installed at the middle of the bottom surface of the detection box (1), torque sensors (424) are arranged above the four corners of the detection platform (3), and cooling components (5) are arranged below the two detection platforms (3); The detection mechanism (4) comprises two brackets three (401), the two brackets three (401) are fixedly connected to the middle of both sides of the top surface of the detection platform (3), the dual-axis motor (402) is fixedly installed inside the bracket three (401), and the two power output shafts of the dual-axis motor (402) are both connected to the connecting rod one (403) through a coupling transmission, the end of the connecting rod one (403) away from the dual-axis motor (402) is fixedly connected to the screw rod one (404), the end of the screw rod one (404) away from the connecting rod one (403) is fixedly connected to the connecting rod two (405), and the end of the connecting rod two (405) away from the screw rod one (404) is fixedly connected to the screw rod two (406); The surfaces of the screw rod 1 (404) and the screw rod 2 (406) are both threadedly connected with a movable frame (407), the top outer wall of each movable frame (407) is fixedly connected with a fixed clamping plate (410), the ends of the connecting rod 1 (403) and the screw rod 2 (406) away from each other are sleeved with a positioning seat 2 (408), the positioning seat 2 (408) is fixedly connected to the top surface of the detection platform (3), a guide rod (409) is fixedly connected between the two positioning seats 2 (408), and the movable frame (407) is slidably arranged on the surface of the guide rod (409); The power output shaft of the servo motor (411) is connected to a driving wheel 1 (412) through a coupling transmission, the top surface of the driving wheel 1 (412) is fixedly connected to a connecting rod (413), and the top surface of the connecting rod (413) is fixedly connected to a driving wheel 2 (414). Two driven wheels (415) are symmetrically arranged about the servo motor (411) and are arranged above the detection platform (3). The two driven wheels (415) have different heights, and the driven wheels (415) are rotatably arranged in the detection platform (3) through a rotating rod. The surfaces of the driving wheel 1 (412) and the lower driven wheel (415) are meshed with the same belt 1 (416), and the surfaces of the driving wheel 2 (414) and the upper driven wheel (415) are meshed with the same belt 2 (417); The top surfaces of the two driven wheels (415) are fixedly connected to a rotating rod 2 (418), the top of the rotating rod 2 (418) is fixedly connected to a gear 2 (419), both sides of the two gear 2s (419) are provided with a gear 3 (420), the surfaces of the gear 2 (419) and the two gear 3s (420) on the same side are meshed with a same synchronous belt (421), the interior of each gear 3 (420) is fixedly connected to a detection rotating rod (422), the bottom of the detection rotating rod (422) is rotatably arranged inside the detection platform (3), the top surface of the detection platform (3) is fixedly connected to four brackets 4 (423), the torque sensor (424) is fixedly mounted on the top surface of the bracket 4 (423), and the torque sensor (424) is mounted on the surface of the detection rotating rod (422).

2. The torque detection device of a steering wheel angle sensor according to claim 1, characterized in that: The output end of the electric telescopic rod (201) is fixedly connected to a rack (202), the rack (202) is slidably arranged on the bottom inner wall of the detection box (1), and the top surface of the rack (202) is fixedly connected to a slide seat (203), the surface of the slide seat (203) is meshed with a gear one (204), both ends of the gear one (204) are fixedly connected to a rotating rod one (205), the bottom inner wall of the detection box (1) is fixedly connected to two positioning seats one (206), and the rotating rod one (205) is rotatably arranged inside the positioning seat one (206).

3. The torque detection device of a steering wheel angle sensor according to claim 2, characterized in that: The ends of the two rotating rods (205) that are away from each other are fixedly connected to a rotating plate (207), and the outer wall of the rotating plate (207) that is away from the rotating rod (205) is fixedly connected to a movable block (208). The inner wall of the bottom surface of the detection box (1) is fixedly connected to a bracket (209) and a bracket (210). The bracket (209) and the bracket (210) are arranged below the ends of the two adjacent surfaces of the detection platform (3) that are away from each other. The top outer walls of the brackets (209) and the brackets (210) are fixedly connected to a fixed rod (211). The outer walls of the ends of the two adjacent surfaces of the detection platform (3) that are away from each other are fixedly connected to the fixed rod (211). A steering plate (212) is rotatably arranged on the surface of the fixed rod (211) on the bracket (209), and the outer wall of the steering plate (212) on the side close to the rotating rod (205) is fixedly connected to a guide sleeve (2 13), the movable block (208) is slidably arranged inside the guide sleeve (213), the end of the steering plate 1 (212) away from the bracket 1 (209) is rotatably arranged with the steering plate 2 (214), the end of the steering plate 2 (214) away from the steering plate 1 (212) is rotatably arranged on the surface of one of the fixed rods (211) on the side wall of the detection platform (3), the steering plate 1 (212) and the steering plate 2 (214) are arranged in a V shape, the surface of the fixed rod (211) on the bracket 2 (210) is rotatably arranged with the steering plate 3 (215), the end of the steering plate 3 (215) away from the bracket 2 (210) is rotatably arranged with the steering plate 4 (216), the end of the steering plate 4 (216) away from the steering plate 3 (215) is rotatably arranged on the surface of another fixed rod (211) on the side wall of the detection platform (3), and the steering plate 3 (215) and the steering plate 4 (216) are arranged in a V shape.

4. The torque detection device of a steering wheel angle sensor according to claim 3, characterized in that: The cooling assembly (5) comprises a driving motor (501), the driving motor (501) being fixedly mounted on the inner wall of the bottom surface of the detection box (1), and the power output shaft of the driving motor (501) being connected to a driving rod (502) through a coupling transmission, the top end of the driving rod (502) being fixedly connected to two symmetrically arranged movable frames (503), the top surface of one end of the movable frame (503) away from the driving rod (502) being rotatably provided with a gear four (504), the inner wall of the bottom surface of the detection box (1) being fixedly connected to a bracket five (506), the outer wall of the top end of the bracket five (506) being fixedly connected to an annular rack (505), and the gear four (504) being meshed with the annular rack (505).

5. The torque detection device of a steering wheel angle sensor according to claim 4, characterized in that: The bottom surface of the gear four (504) is fixedly connected to a rotating disk (507), one end of the bottom surface of the rotating disk (507) is fixedly connected to an eccentric rod (508), a steering plate five (509) is rotatably provided on the surface of the eccentric rod (508), a guide seat (510) is slidably provided inside the movable frame (503), a positioning rod (511) is fixedly connected to the bottom surface of the guide seat (510), one end of the steering plate five (509) away from the eccentric rod (508) is rotatably provided on the surface of the positioning rod (511), a fan frame (512) is fixedly connected to the top surface of the guide seat (510), a fan (513) is fixedly installed inside the fan frame (512), and the output direction of the fan (513) is toward one side of the detection platform (3).

6. A method for detecting torque of a steering wheel angle sensor, using a torque detection device for a steering wheel angle sensor as claimed in claim 5, characterized in that: The steps include: Step 1: Before testing, a plurality of steering wheel angle sensors are respectively mounted on the top ends of a plurality of detection rotating rods (422) on a detection platform (3) on one side, and a dual-axis motor (402) is adjusted to move a fixed clamping plate (410) toward one side of the steering wheel angle sensor and clamp and fix it, thereby ensuring the stability of the detection process; Step 2: stretching and adjusting the electric telescopic rod (201) so that the detection platform (3) on which the steering wheel angle sensor is installed moves downward and enters the interior of the detection box (1), and starting the servo motor (411) so that the multiple detection rotating rods (422) rotate simultaneously, thereby realizing simultaneous detection of multiple steering wheel angle sensors; Step 3: When the detection platform (3) on one side enters the detection box (1), the detection platform (3) on the other side simultaneously rises to the top of the detection box (1). During the detection process, multiple steering wheel angle sensors are installed on the surface of the detection rotating rod (422) on the other detection platform (3) and wait for detection, thereby realizing continuous detection.

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