Automobile anti-lock braking system detection platform

Abstract

The invention relates to the technical field of automobile anti-lock braking system detection, and discloses an automobile anti-lock braking system detection platform which comprises an equipment shell, protective covers are fixedly connected to the tops of the two ends of the equipment shell, and a plurality of connecting pedals are fixedly connected to the position over the equipment shell. A sand grain layer I drives an automobile tire right above the sand grain layer to rotate, the tire rotates to drive a sliding rotating shaft on a detection rotating shaft to rotate, the sliding rotating shaft rotates to drive a first gear to rotate, the first gear rotates to drive a sand blocking rotating shaft on a second gear to rotate, and at the moment, the sand blocking rotating shaft rotates anticlockwise; by means of the arrangement, the sand discharging grooves in the sand blocking rotating shaft can discharge sand grains thrown off due to friction between the first sand grain layer and the tire to the position under the sand discharging grooves along the sand discharging grooves, so that the sand grains falling off from the first sand grain layer are prevented from being thrown off between the tire and the detection rotating shaft, and the detection and measurement of the detection rotating shaft on the tire are affected by the sand grains.

Description

Technical Field

[0001] The invention relates to the technical field of automobile anti-lock braking system detection equipment, in particular to an automobile anti-lock braking system detection platform. Background Art

[0002] Automobiles need to be tested for braking performance regularly to ensure driving safety. The general reaction-type roller brake test bench usually tests vehicle speeds within 10km / h, while the vehicle anti-lock braking system (ABS) takes effect at a speed of at least 20km / h. Therefore, this type of test bench can only test conventional braking performance, but not ABS performance.

[0003] The existing automobile anti-lock braking system detection platform can basically achieve the purpose of detection. Most of the automobile anti-lock braking system detection platforms under the existing structure use a colloid to fix a layer of sand on the outermost layer of the driving rotating shaft to increase the friction of the driving rotating shaft on the tire, so that the driving rotating shaft can perform synchronous rotation detection on the tire. However, when the driving rotating shaft uses friction to drive the tire to rotate, the sand on the driving rotating shaft will fall along the driving rotating shaft to between the detection rotating shaft and the tire, thereby affecting the detection result of the detection platform. Summary of the invention

[0004] The purpose of the present invention is to provide a vehicle anti-lock braking system detection platform to solve the problems raised in the above background technology.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is a vehicle anti-lock braking system detection platform, comprising a device shell, both ends of the device shell are fixedly connected with protective covers, the upper part of the device shell is fixedly connected with a plurality of connecting pedals, both sides of the device shell are fixedly connected with side guard plates, the inner side of the side guard plates is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with an output shaft, and the end of the output shaft away from the driving motor is rotatably connected with the inner wall of the device shell, and further comprising: A detection shaft group mechanism, the detection shaft group mechanism includes a detection rotating shaft, a driving support component for driving the wheel to rotate, and a detection component for detecting wheel braking data; The driving support component includes a main rotating shaft fixedly connected to one end of the output shaft away from the driving motor, the side wall of the main rotating shaft is provided with a sand layer 1, and the internal rotation of the equipment shell is connected to a secondary rotating shaft, and the side wall of the secondary rotating shaft is designed with a sand layer 2.

[0006] Furthermore, the detection component includes a plurality of detection limit grooves opened inside the device shell, the detection limit grooves are slidably connected to the inside of the sliding block, the sliding block is rotatably connected to the sliding shaft, and the end of the sliding shaft away from the sliding block is fixedly connected to the detection rotating shaft.

[0007] Furthermore, the detection component also includes a sliding limit rod fixedly connected to the bottom of the sliding block, the sliding limit rod is slidably connected to the bottom of the device shell, one end of the sliding limit rod away from the sliding block is fixedly connected to the limit block, and a pressure spring is sleeved on the sliding limit rod.

[0008] Furthermore, a sand blocking mechanism is provided on the top of the equipment shell, which includes a plurality of telescopic rods rotatably connected to both ends of the output shaft, one end of the telescopic rod away from the output shaft is rotatably connected to the sliding shaft, and one end of the telescopic rod close to the output shaft is sleeved with a plurality of extrusion springs.

[0009] Furthermore, the sand blocking mechanism also includes a first gear fixedly connected to one end of the sliding shaft close to the detection rotating shaft, the middle side wall of the telescopic rod is rotatably connected to the sand blocking shaft, both ends of the sand blocking shaft are fixedly connected to second gears, the second gear is meshed with the first gear, and a plurality of sand discharge grooves are provided on the sand blocking shaft.

[0010] Furthermore, a sand sweeping mechanism is provided on the sand retaining shaft, which includes a plurality of limit frames fixedly connected to the side walls at both ends of the sand retaining shaft, a plurality of compression rods are fixedly connected to the side walls at both ends of the sand retaining shaft, and an extrusion spring 2 is provided at one end of the compression rod away from the sand retaining shaft.

[0011] Furthermore, the sand sweeping mechanism also includes a moving block fixedly connected to one end of the compression rod away from the sand retaining shaft, the moving block is slidably connected inside the limiting frame, and the side wall of the moving block is rotatably connected to the sand sweeping column.

[0012] Furthermore, an auxiliary mechanism is provided at the bottom of the device shell, and the auxiliary mechanism includes a plurality of fixed rods fixedly connected to the bottom of the device shell, the side walls of the fixed rods are rotatably connected to an auxiliary rotating shaft, the end of the output rotating shaft away from the driving motor is transmission-connected to a transmission belt, and the end of the transmission belt away from the output rotating shaft is transmission-connected to the auxiliary rotating shaft.

[0013] Furthermore, the auxiliary mechanism also includes a plurality of thread grooves opened in the middle of the auxiliary rotating shaft, a fixed ring is fixedly connected to the middle of the auxiliary rotating shaft, and a movable ring is rotatably connected to the thread groove.

[0014] Furthermore, the auxiliary mechanism also includes a reset spring 1 which is sleeved between the auxiliary rotating shaft near the reset spring 1 and the moving ring, a plurality of reset springs 2 are sleeved on the auxiliary rotating shaft, the top of the moving ring is rotatably connected with a linkage rod, the end of the sliding limit rod close to the limit block is slidably connected with an extrusion block, the extrusion block is slidably connected inside the detection limit groove, and the end of the linkage rod away from the moving ring is rotatably connected to the extrusion block.

[0015] The present invention has the following beneficial effects: (1) The present invention provides a sand-blocking mechanism. When the automobile tire drives the sliding block on the sliding shaft at one end of the detection rotating shaft to slide downward along the detection limit groove, the sliding shaft drives one end of the telescopic rod to rotate around the output shaft. During the process of the sliding block sliding downward along the detection limit groove, the telescopic rod is compressed. At this time, the sand-blocking shaft at one end of the telescopic rod approaches the side wall of the sand layer. When the brake system is tested, the output end of the drive motor is started to rotate clockwise, the output end of the drive motor drives the output shaft to rotate, and the rotation of the output shaft drives the sand layer on the main rotating shaft to rotate. The sand layer 1 drives the automobile tire above it to rotate, and the rotation of the tire drives the sliding shaft on the detection rotating shaft to rotate. The rotation of the sliding shaft drives the first gear to rotate, and the rotation of the first gear drives the sand retaining shaft on the second gear to rotate. At this time, the direction of rotation of the sand retaining shaft is counterclockwise. This arrangement is conducive to the sand discharge groove on the sand retaining shaft to discharge the sand thrown off by the friction between the sand layer 1 and the tire along the sand discharge groove to the bottom of the sand discharge groove, thereby preventing the sand falling on the sand layer 1 from being thrown between the tire and the detection rotating shaft, so that the detection measurement of the tire by the detection rotating shaft is affected by the sand.

[0016] (2) When the automobile anti-lock braking system detection platform is used, the device is first installed inside the sunken detection pit, and the connecting pedal on the installed device is required to be kept at the same horizontal line with the ground. At this time, a group of automobiles to be detected are driven along the connecting pedal to the top of the device shell. At this time, the automobile tires first contact with the sand layer 1 on the main rotating shaft. When the automobile continues to drive toward one end of the secondary rotating shaft, the automobile tires are squeezed with the detection rotating shaft. Under the pressure of the gravity of the automobile, the detection rotating shaft drives the sliding block at one end of the sliding rotating shaft to slide downward along the detection limit groove. When the automobile tire is squeezed with the sand layer 1 and the sand layer 2 at the same time, the automobile stops moving. This arrangement allows the detection rotating shaft, the sand layer 1 on the main rotating shaft, and the sand layer 2 on the secondary rotating shaft to contact the automobile tire at the same time. At this time, the sliding block squeezes the pressure spring, thereby increasing the reaction force of the pressure spring on the detection rotating shaft on the sliding rotating shaft, which is conducive to making the detection rotating shaft and the automobile tire fit closely, thereby making the data measured by the detection rotating shaft more accurate.

[0017] (3) The present invention provides a sand sweeping mechanism. When the automobile tire drives the sliding block on the sliding shaft at one end of the detection rotating shaft to slide downward along the detection limit groove, the sliding shaft drives one end of the telescopic rod to rotate around the output shaft. During the process of the sliding block sliding downward along the detection limit groove, the telescopic rod is compressed. At this time, the sand retaining shaft at one end of the telescopic rod approaches the side wall of the sand layer 1. At this time, the sand sweeping column on the side wall of the sand retaining shaft scrapes against the side wall of the sand layer 1. This arrangement is conducive to the sand sweeping column to scrape off the loose sand on the sand layer 1. On the one hand, it is conducive to preventing the sand on the sand layer 1 from being thrown again between the detection rotating shaft and the tire. On the other hand, it is conducive to preventing the loose sand from contacting the tire, thereby causing relative sliding between the tire and the sand layer 1, thereby preventing the transmission efficiency of the sand layer 1 to the tire from being reduced.

[0018] (4) The present invention sets an auxiliary mechanism. When the output shaft rotates to drive the sand layer on the main shaft to rotate, the output shaft drives the auxiliary shaft at one end of the transmission belt to rotate. The rotation of the auxiliary shaft drives the fixed ring on the threaded groove to slide along the threaded groove toward one end of the extrusion block. At this time, the moving ring drives the extrusion block at one end of the linkage rod to press the pressure spring upward along the detection limit groove. This setting is conducive to increasing the pressure spring on the detection shaft at one end of the sliding shaft on the sliding block. The tire is pressed, so that the detection shaft and the tire are always in close contact, avoiding the detection shaft from shaking up and down along the detection limit groove due to the influence of the tire texture. This setting is conducive to reducing the detection error of the detection shaft on the tire; by setting a reset spring, a pair of moving rings are squeezed so that the reset spring 1 is connected to the threaded groove for rotation. By setting a reset spring 2, the threaded groove stone jade moving ring is connected for rotation.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall top view structure of the present invention; Figure 2 This is a schematic diagram of the overall top view of the present invention from another viewing angle; Figure 3 It is a schematic diagram of a partial cross-sectional structure of the device shell of the present invention; Figure 4 For the present invention Figure 3 A magnified view of middle; Figure 5 For the present invention Figure 3 Enlarged view of middle B; Figure 6 It is a schematic diagram of the local structure of the present invention; Figure 7 For the present invention Figure 6 Enlarged view of middle C; Figure 8 It is a schematic diagram of the partial structure of the auxiliary mechanism of the present invention; Fig. 9 For the present invention Figure 8 Enlarged view of D in the middle.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows: In the figure: 1. Equipment shell; 11. Protective cover; 12. Connecting pedal; 13. Side guard plate; 14. Driving motor; 15. Output shaft; 2. Detection shaft assembly mechanism; 201. Main rotating shaft; 202. Sand layer 1; 203. Secondary rotating shaft; 204. Sand layer 2; 205. Detection limit groove; 206. Sliding block; 207. Sliding shaft; 208. Detection rotating shaft; 209. Sliding limit rod; 210. Limit block; 211. Pressure spring; 3. Sand blocking mechanism; 301. Telescopic rod; 302. Extrusion spring 1; 303, first gear; 304, sand retaining shaft; 305, second gear; 306, sand discharge trough; 4, sand sweeping mechanism; 401, limit frame; 402, compression rod; 403, extrusion spring 2; 404, moving block; 405, sand sweeping column; 5, auxiliary mechanism; 501, fixed rod; 502, auxiliary rotating shaft; 503, transmission belt; 504, threaded groove; 505, fixed ring; 506, moving ring; 507, reset spring 1; 508, reset spring 2; 509, linkage rod; 510, extrusion block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example 1, please refer to Figure 1-Figure 7As shown, the present invention is a vehicle anti-lock braking system detection platform, comprising a device shell 1, both ends of the device shell 1 are fixedly connected with protective covers 11, the upper part of the device shell 1 is fixedly connected with a plurality of connecting pedals 12, both sides of the device shell 1 are fixedly connected with side guard plates 13, the inner side of the side guard plates 13 is fixedly connected with a driving motor 14, the output end of the driving motor 14 is fixedly connected with an output shaft 15, and the end of the output shaft 15 away from the driving motor 14 is rotatably connected to the inner wall of the device shell 1, and further comprising: A detection shaft group mechanism 2, the detection shaft group mechanism 2 includes a detection rotating shaft 208, a driving support component for driving the wheel to rotate, and a detection component for detecting wheel braking data; The driving support component includes a main rotating shaft 201 fixedly connected to the end of the output shaft 15 away from the driving motor 14, and the side wall of the main rotating shaft 201 is provided with a sand layer 1 202. The internal rotation of the equipment shell 1 is connected to a secondary rotating shaft 203, and the side wall of the secondary rotating shaft 203 is designed with a sand layer 204.

[0025] The detection component includes a plurality of detection limit grooves 205 opened inside the device shell 1, and the detection limit grooves 205 are slidably connected to the inside of the sliding block 206, and the sliding shaft 207 is rotatably connected to the sliding block 206. The end of the sliding shaft 207 away from the sliding block 206 is fixedly connected to the detection rotating shaft 208.

[0026] The detection component also includes a sliding limit rod 209 fixedly connected to the bottom of the sliding block 206, the sliding limit rod 209 is slidably connected to the bottom of the equipment shell 1, and the end of the sliding limit rod 209 away from the sliding block 206 is fixedly connected to the limit block 210, and a pressure spring 211 is sleeved on the sliding limit rod 209. The function of this mechanism is that when using the automobile anti-lock braking system detection platform, the device is first installed inside the sunken detection pit, and the connecting pedal 12 on the installed device is required to be kept at the same horizontal line with the ground. At this time, a group of cars to be detected are driven along the connecting pedal 12 to the top of the equipment shell 1. At this time, the car tires first contact with the sand layer 202 on the main rotating shaft 201. When the car continues to drive to one end close to the secondary rotating shaft 203, the car tires and the detection The rotating shafts 208 are squeezed, and the detection rotating shaft 208 is squeezed by the gravity of the car. The detection rotating shaft 208 drives the sliding block 206 at one end of the sliding shaft 207 to slide downward along the detection limit groove 205. When the car tire is squeezed by the sand layer 1 202 and the sand layer 204 at the same time, the car stops moving. This arrangement makes the detection rotating shaft 208, the sand layer 1 202 on the main rotating shaft 201, and the sand layer 2 204 on the secondary rotating shaft 203 contact the car tire at the same time. At this time, the sliding block 206 squeezes the pressure spring 211, thereby increasing the reaction force of the pressure spring 211 on the detection rotating shaft 208 on the sliding shaft 207, which is beneficial to make the detection rotating shaft 208 fit closely with the car tire, thereby making the data measured by the detection rotating shaft 208 more accurate.

[0027] A sand blocking mechanism 3 is provided on the top of the equipment shell 1, and the sand blocking mechanism 3 includes a plurality of telescopic rods 301 rotatably connected to both ends of the output rotating shaft 15, one end of the telescopic rod 301 away from the output rotating shaft 15 is rotatably connected to the sliding rotating shaft 207, and one end of the telescopic rod 301 close to the output rotating shaft 15 is sleeved with a plurality of extrusion springs 302.

[0028] The sand blocking mechanism 3 also includes a first gear 303 fixedly connected to the sliding shaft 207 near one end of the detection rotating shaft 208, the middle side wall of the telescopic rod 301 is rotatably connected to the sand blocking shaft 304, both ends of the sand blocking shaft 304 are fixedly connected to the second gear 305, the second gear 305 is meshed with the first gear 303, and a plurality of sand discharge grooves 306 are provided on the sand blocking shaft 304. The function of this mechanism is to set the sand blocking mechanism 3. When the automobile tire drives the sliding block 206 on the sliding shaft 207 at one end of the detection rotating shaft 208 to slide downward along the detection limit groove 205, the sliding shaft 207 drives one end of the telescopic rod 301 to rotate around the output shaft 15. During the process of the sliding block 206 continuously sliding downward along the detection limit groove 205, the telescopic rod 301 is compressed. At this time, the sand blocking shaft 304 at one end of the telescopic rod 301 approaches the side wall of the sand layer 202. When the braking system is detected, the start The output end of the driving motor 14 rotates clockwise, and the output end of the driving motor 14 drives the output shaft 15 to rotate. The rotation of the output shaft 15 drives the sand layer 202 on the main rotating shaft 201 to rotate, and the sand layer 202 drives the automobile tire directly above to rotate. The rotation of the tire drives the sliding shaft 207 on the detection rotating shaft 208 to rotate, and the rotation of the sliding shaft 207 drives the first gear 303 to rotate, and the rotation of the first gear 303 drives the sand retaining shaft 304 on the second gear 305 to rotate. At this time, the direction of rotation of the sand retaining shaft 304 is counterclockwise. This arrangement is conducive to the sand discharge groove 306 on the sand retaining shaft 304 to discharge the sand particles thrown off by the friction between the sand layer 202 and the tire along the sand discharge groove 306 to the bottom of the sand discharge groove 306, thereby preventing the sand particles falling from the sand layer 202 from being thrown between the tire and the detection rotating shaft 208, so that the detection and measurement of the tire by the detection rotating shaft 208 is affected by the sand particles.

[0029] Embodiment 2 is different from Embodiment 1 in that: Figure 1-Figure 9 As shown, a sand sweeping mechanism 4 is provided on the sand retaining shaft 304, and the sand sweeping mechanism 4 includes a plurality of limit frames 401 fixedly connected to the side walls at both ends of the sand retaining shaft 304, and a plurality of compression rods 402 are fixedly connected to the side walls at both ends of the sand retaining shaft 304, and an end of the compression rod 402 away from the sand retaining shaft 304 is sleeved with an extrusion spring 2 403.

[0030] The sand sweeping mechanism 4 also includes a moving block 404 fixedly connected to one end of the compression rod 402 away from the sand retaining shaft 304, the moving block 404 is slidably connected to the inside of the limit frame 401, and the side wall of the moving block 404 is rotatably connected to a sand sweeping column 405. The function of this mechanism is to set the sand sweeping mechanism 4, when the automobile tire drives the sliding block 206 on the sliding shaft 207 at one end of the detection rotating shaft 208 to slide downward along the detection limit groove 205, the sliding shaft 207 drives one end of the telescopic rod 301 to rotate around the output shaft 15, and during the sliding block 206 continuously slides downward along the detection limit groove 205, the telescopic rod 301 is rotated around the output shaft 15. The retractable rod 301 is compressed, and the sand retaining shaft 304 at one end of the telescopic rod 301 approaches the side wall of the sand layer 202. At this time, the sand sweeping column 405 on the side wall of the sand retaining shaft 304 scrapes against the side wall of the sand layer 202. This arrangement is conducive to the sand sweeping column 405 scraping off the loose sand on the sand layer 202. On the one hand, it is conducive to preventing the sand on the sand layer 202 from being thrown again between the detection rotating shaft 208 and the tire, and on the other hand, it prevents the loose sand from contacting the tire, thereby causing relative sliding between the tire and the sand layer 202, and preventing the sand layer 202 from reducing the transmission efficiency of the tire to the tire.

[0031] An auxiliary mechanism 5 is provided at the bottom of the device shell 1, and the auxiliary mechanism 5 includes a plurality of fixed rods 501 fixedly connected to the bottom of the device shell 1, and the side walls of the fixed rods 501 are rotatably connected to an auxiliary rotating shaft 502, and one end of the output rotating shaft 15 away from the driving motor 14 is transmission-connected to a transmission belt 503, and one end of the transmission belt 503 away from the output rotating shaft 15 is transmission-connected to the auxiliary rotating shaft 502.

[0032] The auxiliary mechanism 5 further includes a plurality of thread grooves 504 formed in the middle of the auxiliary rotating shaft 502 . A fixed ring 505 is fixedly connected to the middle of the auxiliary rotating shaft 502 . A movable ring 506 is rotatably connected to the thread groove 504 .

[0033] The auxiliary mechanism 5 also includes a return spring 507 sleeved between the auxiliary rotating shaft 502 near the return spring 507 and the moving ring 506, a plurality of return springs 508 are sleeved on the auxiliary rotating shaft 502, the top of the moving ring 506 is rotatably connected with a linkage rod 509, the end of the sliding limit rod 209 close to the limit block 210 is slidably connected with an extrusion block 510, the extrusion block 510 is slidably connected inside the detection limit groove 205, and the end of the linkage rod 509 away from the moving ring 506 is rotatably connected to the extrusion block 510. The function of this mechanism is to set up the auxiliary mechanism 5, when the output shaft 15 rotates to drive the sand layer 202 on the main rotating shaft 201 to rotate, the output shaft 15 drives the auxiliary rotating shaft 502 at one end of the transmission belt 503 to rotate, and the auxiliary rotating shaft 502 rotates to drive the fixed ring 505 on the threaded groove 504 along The threaded groove 504 slides toward one end of the extrusion block 510. At this time, the moving ring 506 drives the extrusion block 510 at one end of the linkage rod 509 to squeeze the pressure spring 211 upward along the detection limit groove 205. This arrangement is conducive to increasing the extrusion force of the pressure spring 211 on the detection rotating shaft 208 at one end of the sliding shaft 207 on the sliding block 206 on the tire, so that the detection rotating shaft 208 and the tire are always in close contact, avoiding the detection rotating shaft 208 from shaking up and down along the detection limit groove 205 due to the influence of the tire texture. This arrangement is conducive to reducing the detection error of the detection rotating shaft 208 on the tire; by setting a reset spring 507 to squeeze the moving ring 506, the reset spring 507 is rotatably connected to the threaded groove 504, and by setting a reset spring 2 508, it is beneficial to the rotational connection of the threaded groove 504 and the moving ring 506.

[0034] A specific application of this embodiment is: When using the automobile anti-lock braking system detection platform, the device is first installed inside the sunken detection pit, and the connecting pedal 12 on the installed device is required to be kept at the same horizontal line with the ground. At this time, the group of cars to be detected are driven along the connecting pedal 12 to the top of the equipment shell 1. At this time, the car tires first contact the sand layer 202 on the main rotating shaft 201. When the car continues to drive toward one end of the secondary rotating shaft 203, the car tires are squeezed against the detection rotating shaft 208. Under the pressure of the gravity of the car, the detection rotating shaft 208 drives the sliding block 206 at one end of the sliding rotating shaft 207 to slide downward along the detection limit groove 205. When the automobile tire is pressed against the sand layer 1 202 and the sand layer 204 at the same time, the automobile stops moving. This arrangement makes the detection rotating shaft 208, the sand layer 1 202 on the main rotating shaft 201, and the sand layer 204 on the auxiliary rotating shaft 203 contact the automobile tire at the same time. At this time, the sliding block 206 squeezes the pressure spring 211, so that the reaction force of the pressure spring 211 on the detection rotating shaft 208 on the sliding shaft 207 is increased, which is conducive to making the detection rotating shaft 208 fit closely with the automobile tire, so that the data measured by the detection rotating shaft 208 is more accurate; by setting the sand particle blocking mechanism 3, when the automobile tire drives the sliding block 211 at one end of the detection rotating shaft 208 When the sliding block 206 on the moving shaft 207 slides downward along the detection limit groove 205, the sliding shaft 207 drives one end of the telescopic rod 301 to rotate around the output shaft 15. During the continuous sliding of the sliding block 206 downward along the detection limit groove 205, the telescopic rod 301 is compressed. At this time, the sand retaining shaft 304 at one end of the telescopic rod 301 approaches the side wall of the sand layer 202. When the brake system is tested, the output end of the drive motor 14 is started to rotate clockwise, and the output end of the drive motor 14 drives the output shaft 15 to rotate. The rotation of the output shaft 15 drives the sand layer 202 on the main rotating shaft 201 to rotate, and the sand layer 202 drives the car wheel directly above The tire rotates, and the rotation of the tire drives the sliding shaft 207 on the detection rotating shaft 208 to rotate. The rotation of the sliding shaft 207 drives the first gear 303 to rotate. The rotation of the first gear 303 drives the sand retaining shaft 304 on the second gear 305 to rotate. At this time, the direction of rotation of the sand retaining shaft 304 is counterclockwise. This arrangement is conducive to the sand discharge groove 306 on the sand retaining shaft 304 to discharge the sand particles thrown off by the friction between the sand layer 202 and the tire along the sand discharge groove 306 to the bottom of the sand discharge groove 306, thereby preventing the sand particles falling from the sand layer 202 from being thrown off to between the tire and the detection rotating shaft 208, so that the detection measurement of the tire by the detection rotating shaft 208 is affected by the sand particles; By setting the sand sweeping mechanism 4, when the automobile tire drives the sliding block 206 on the sliding shaft 207 at one end of the detection rotating shaft 208 to slide downward along the detection limit groove 205, the sliding shaft 207 drives one end of the telescopic rod 301 to rotate around the output shaft 15. During the process that the sliding block 206 continues to slide downward along the detection limit groove 205, the telescopic rod 301 is compressed. At this time, the sand retaining shaft 304 at one end of the telescopic rod 301 approaches the side wall of the sand layer 1 202. At this time, the sand sweeping column 4 on the side wall of the sand retaining shaft 304 05 scrapes against the side wall of the sand layer 202. This arrangement is conducive to the sand sweeping column 405 to scrape off the loose sand on the sand layer 202. On the one hand, it is conducive to preventing the sand on the sand layer 202 from being thrown again between the detection rotating shaft 208 and the tire. On the other hand, it is conducive to preventing the loose sand from contacting the tire, thereby causing relative sliding between the tire and the sand layer 202, thereby preventing the transmission efficiency of the sand layer 202 to the tire from being reduced. By setting the auxiliary mechanism 5, when the output shaft 15 rotates to drive the sand on the main rotating shaft 201 When the particle layer 202 rotates, the output shaft 15 drives the auxiliary rotating shaft 502 at one end of the transmission belt 503 to rotate. The rotation of the auxiliary rotating shaft 502 drives the fixed ring 505 on the thread groove 504 to slide along the thread groove 504 toward one end close to the extrusion block 510. At this time, the moving ring 506 drives the extrusion block 510 at one end of the linkage rod 509 to press the pressure spring 211 upward along the detection limit groove 205. This arrangement is conducive to increasing the pressure spring 211 on the detection rotating shaft at one end of the sliding shaft 207 on the sliding block 206. 208 exerts an extrusion pressure on the tire, thereby ensuring that the detection rotating shaft 208 is always in close contact with the tire, preventing the detection rotating shaft 208 from being affected by the tire texture and shaking up and down along the detection limit groove 205 to a large extent. This arrangement is beneficial to reducing the detection error of the detection rotating shaft 208 on the tire; by setting a reset spring 507 to squeeze the movable ring 506, the reset spring 507 is rotatably connected to the threaded groove 504, and by setting a reset spring 2 508, it is beneficial to the rotational connection of the threaded groove 504 and the movable ring 506.

[0035] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An automobile anti-lock braking system detection platform, comprising a device shell (1), wherein the tops of both ends of the device shell (1) are fixedly connected to protective covers (11), a plurality of connecting pedals (12) are fixedly connected directly above the device shell (1), both sides of the device shell (1) are fixedly connected to side guard plates (13), the inner side of the side guard plates (13) is fixedly connected to a driving motor (14), the output end of the driving motor (14) is fixedly connected to an output shaft (15), and the end of the output shaft (15) away from the driving motor (14) is rotatably connected to the inner wall of the device shell (1), characterized in that: Also includes: A detection shaft group mechanism (2), the detection shaft group mechanism (2) comprising a detection rotating shaft (208), a driving support component for driving the wheel to rotate, and a detection component for detecting wheel braking data; The driving support component comprises a main rotating shaft (201) fixedly connected to an end of the output rotating shaft (15) away from the driving motor (14), the side wall of the main rotating shaft (201) being provided with a first sand layer (202), and a secondary rotating shaft (203) being rotatably connected inside the device shell (1), the side wall of the secondary rotating shaft (203) being provided with a second sand layer (204).

2. The vehicle anti-lock braking system testing platform according to claim 1, characterized in that: The detection component comprises a plurality of detection limit grooves (205) provided inside the device shell (1); a sliding block (206) is slidably connected inside the detection limit groove (205); a sliding shaft (207) is rotatably connected to the sliding block (206); and a detection rotating shaft (208) is fixedly connected to one end of the sliding shaft (207) away from the sliding block (206).

3. The vehicle anti-lock braking system testing platform according to claim 2, characterized in that: The detection component further comprises a sliding limit rod (209) fixedly connected to the bottom of the sliding block (206); the sliding limit rod (209) is slidably connected to the bottom of the device shell (1); one end of the sliding limit rod (209) away from the sliding block (206) is fixedly connected to the limit block (210); and a pressure spring (211) is sleeved on the sliding limit rod (209).

4. The vehicle anti-lock braking system testing platform according to claim 3 is characterized in that: A sand blocking mechanism (3) is provided on the top of the device shell (1), and the sand blocking mechanism (3) comprises a plurality of telescopic rods (301) rotatably connected to both ends of the output rotating shaft (15), one end of the telescopic rod (301) away from the output rotating shaft (15) is rotatably connected to the sliding rotating shaft (207), and one end of the telescopic rod (301) close to the output rotating shaft (15) is sleeved with a plurality of extrusion springs (302).

5. The vehicle anti-lock braking system testing platform according to claim 4, characterized in that: The sand blocking mechanism (3) further comprises a first gear (303) fixedly connected to one end of the sliding shaft (207) close to the detection rotating shaft (208); a middle side wall of the telescopic rod (301) is rotatably connected to a sand blocking shaft (304); both ends of the sand blocking shaft (304) are fixedly connected to second gears (305); the second gear (305) is meshed with the first gear (303); and a plurality of sand discharge grooves (306) are provided on the sand blocking shaft (304).

6. The vehicle anti-lock braking system testing platform according to claim 5, characterized in that: The sand retaining shaft (304) is provided with a sand sweeping mechanism (4), the sand sweeping mechanism (4) comprising a plurality of limit frames (401) fixedly connected to the side walls at both ends of the sand retaining shaft (304), a plurality of compression rods (402) fixedly connected to the side walls at both ends of the sand retaining shaft (304), and a second compression spring (403) is sleeved on one end of the compression rod (402) away from the sand retaining shaft (304).

7. The vehicle anti-lock braking system testing platform according to claim 6, characterized in that: The sand sweeping mechanism (4) further comprises a moving block (404) fixedly connected to an end of the compression rod (402) away from the sand retaining shaft (304), the moving block (404) being slidably connected inside the limiting frame (401), and a side wall of the moving block (404) being rotatably connected to a sand sweeping column (405).

8. The vehicle anti-lock braking system testing platform according to claim 7, characterized in that: An auxiliary mechanism (5) is provided at the bottom of the device shell (1), and the auxiliary mechanism (5) comprises a plurality of fixed rods (501) fixedly connected to the bottom of the device shell (1); the side walls of the fixed rods (501) are rotatably connected to auxiliary rotating shafts (502); one end of the output rotating shaft (15) away from the drive motor (14) is drivingly connected to a transmission belt (503); and one end of the transmission belt (503) away from the output rotating shaft (15) is drivingly connected to the auxiliary rotating shaft (502).

9. The vehicle anti-lock braking system testing platform according to claim 8, characterized in that: The auxiliary mechanism (5) further comprises a plurality of thread grooves (504) formed in the middle of the auxiliary rotating shaft (502); a fixed ring (505) is fixedly connected to the middle of the auxiliary rotating shaft (502); and a movable ring (506) is rotatably connected to the thread groove (504).

10. The vehicle anti-lock braking system testing platform according to claim 9, characterized in that: The auxiliary mechanism (5) further comprises a return spring 1 (507) sleeved between the auxiliary rotating shaft (502) and the movable ring (506), close to the return spring 1 (507); a plurality of return springs 2 (508) are sleeved on the auxiliary rotating shaft (502); a linkage rod (509) is rotatably connected to the top of the movable ring (506); an end of the sliding limit rod (209) close to the limit block (210) is slidably connected to an extrusion block (510); the extrusion block (510) is slidably connected inside the detection limit groove (205); and an end of the linkage rod (509) away from the movable ring (506) is rotatably connected to the extrusion block (510).

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