A fully automatic, multi-parameter measurement device and its use method

Abstract

The present invention discloses a fully automatic, multi-parameter measuring device and a method of using the same, and relates to the technical field of measuring devices. The present invention comprises a mounting plate, a lifting mechanism, a frame, a tire driving mechanism, a translation mechanism and a baffle mechanism. A lifting mechanism is fixed to the top rear end of the mounting plate, a frame is fixed on the lifting mechanism, a tire driving mechanism is fixed to the front side of the frame, a translation mechanism is fixed to the rear side of the frame, and a baffle mechanism is fixed to the top front end of the mounting plate. The measuring device of the present invention can realize fully automatic control, and can measure different test samples. By replacing different laser sensors or photoelectric switches or test objects, various parameter tests of different test objects can be realized, which solves the problem of single test parameter function of existing measuring devices.

Description

Technical Field

[0001] The invention belongs to the technical field of measuring equipment, and in particular relates to a fully automatic, multi-parameter measuring equipment and a use method thereof. Background Art

[0002] Tire is a part of the car, it plays a very important role, cars have different sizes, so the tire size is also different, changing the tire size may affect the entire engine and transmission operation, choosing the right tire size is necessary.

[0003] At present, the measuring equipment used in most factories or laboratories can only measure a single parameter of the tire, and most of the measurement methods are manual testing, which greatly limits the diversification of the measuring equipment. Some measuring equipment can only measure the specifications of a single object to be measured (tire), and cannot achieve fully automatic measurement of multiple specifications, which limits the scope of the objects to be measured. Therefore, it is necessary to develop a fully automatic, multi-parameter measuring equipment with multiple test parameters, multiple objects to be measured, simple structure, fully automatic control, visualization, and easy use. Summary of the invention

[0004] The purpose of the present invention is to provide a fully automatic, multi-parameter measuring device and a method of using the same. The measuring device can realize fully automatic control and can measure different test samples. By replacing different laser sensors or photoelectric switches or test objects, various parameter tests of different test objects can be realized, thereby solving the problem of single test parameter function of existing measuring equipment.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a fully automatic, multi-parameter measuring device, comprising a mounting plate, a lifting mechanism, a frame, a tire driving mechanism, a translation mechanism and a baffle mechanism, wherein the lifting mechanism is fixed to the top rear end of the mounting plate, the frame is fixed on the lifting mechanism, the tire driving mechanism is fixed to the front side of the frame, the translation mechanism is fixed to the rear side of the frame, and the baffle mechanism is fixed to the top front end of the mounting plate;

[0007] The tire driving mechanism comprises a rubber coating roller, a roller bearing seat, a driven synchronous pulley, a driving motor, a driving synchronous pulley and a synchronous belt. The rubber coating roller is supported by two roller bearing seats, and the roller bearing seat is fixed to the side bracket by bolts. A driven synchronous pulley is fixedly sleeved at the end of the rotating shaft of the rubber coating roller. The driving motor is fixed to the top of the bottom U-shaped frame. A driving synchronous pulley is fixedly sleeved on the output shaft of the driving motor, and a synchronous belt is provided between the driving synchronous pulley and the driven synchronous pulley.

[0008] The baffle mechanism includes a movable baffle, a connecting bent rod, a first docking plate, a second docking plate, a cylinder, a cylinder mounting seat and a movable guide rod. The movable baffle is arranged below the mounting plate, the top of the movable baffle is fixedly connected to one end of the connecting bent rod, the other end of the connecting bent rod is fixed with the first docking plate, the first docking plate and the second docking plate are fixedly connected by bolts, the second docking plate is fixed on the piston rod of the cylinder, the cylinder is fixed at the top front end position of the mounting plate through the cylinder mounting seat, movable guide rods are penetrated on both sides of the cylinder, the movable guide rods are fixed on the second docking plate, and the movable guide rods play a guiding role, making the movement of the second docking plate smoother.

[0009] Furthermore, the lifting mechanism includes a lifting motor, a reduction gear box, a reduction gear box mounting seat, a lifting screw, a limit nut, a lifting nut seat and a lifting guide rod. The lifting motor is fixed on the mounting plate, the output shaft of the lifting motor is fixedly connected to one end of the reduction gear box, the reduction gear box is fixed to the mounting plate through the reduction gear box mounting seat, the other end of the reduction gear box is fixedly connected to the bottom end of the lifting screw, a limit nut is provided at the top of the lifting screw, a lifting nut seat is provided at the middle movable sleeve of the lifting screw, lifting guide rods are penetrated on both sides of the lifting nut seat, and the bottom end of the lifting guide rod is fixed to the top of the reduction gear box.

[0010] Furthermore, the frame includes a top plate, columns, a bottom U-shaped frame and a side bracket, the top plate is fixedly connected to the lifting nut seat by bolts, two symmetrically distributed columns are fixed to the bottom of the top plate, the bottom of the two columns is fixed with a bottom U-shaped frame, two symmetrically distributed opposing lasers are fixed on the inner side surface of the bottom U-shaped frame, a miniature camera is arranged above the opposing laser, and a side bracket is fixed to the front side surface of the bottom U-shaped frame by bolts.

[0011] Furthermore, the translation mechanism includes a translation nut seat, a translation screw, a translation bearing seat, a translation motor, a slide rail and a track. The translation nut seat is movably sleeved on the translation screw, and the translation screw is supported by two translation bearing seats. The translation bearing seat is fixed to the rear side of the bottom U-shaped frame by bolts. One end of the translation screw is fixedly connected to the output shaft of the translation motor, and the translation motor is fixed to the translation bearing seat by bolts. An upper reflective laser is provided at the bottom of the translation nut seat, and a slide rail is integrally formed at the top of the translation nut seat. The slide rail is slidably matched with the track, and the track is fixed between the two translation bearing seats.

[0012] Furthermore, the mounting plate is respectively provided with a first through hole and a second through hole, the first through hole and the second through hole are connected, the frame, the tire driving mechanism and the translation mechanism are arranged above the first through hole, the second through hole cooperates with the connecting bent rod, the connecting bent rod can move in the second through hole, and the pushing and pulling back of the movable baffle are realized by the connecting bent rod.

[0013] The present invention also provides a method for using a fully automatic, multi-parameter measurement device, comprising the following steps:

[0014] S1: The lifting mechanism drives the frame, the tire driving mechanism and the translation mechanism to descend, so that the frame, the tire driving mechanism and the translation mechanism pass through the first through hole and reach the tire body to be measured below the mounting plate;

[0015] S2: Start the tire driving mechanism. At this time, the rubber coating roller rotates under the drive of the driving motor. The tire body is positioned below the rubber coating roller. When the rubber coating roller contacts the tire body and applies a certain force, the tire body can be driven to rotate.

[0016] S3: At this time, a pair of opposing lasers on the inner side of the bottom U-shaped frame are turned on to measure the outer diameter of the tire body;

[0017] S4: At the same time, the translation nut seat on the translation mechanism drives the upper reflected laser to move horizontally along the track to scan the cross-sectional width of the tire body;

[0018] S5: During the measurement process, the whole measurement process can be monitored by a micro camera;

[0019] S6: After the measurement of parameters such as the outer diameter and section width of the tire body is completed, the frame, tire driving mechanism and translation mechanism are driven to rise and reset through the lifting mechanism. At this time, the movable baffle is driven to move by the cylinder, and the first through hole is closed by the movable baffle to prevent the tire from being worn or exploded and damaging the test device when the tire body is subjected to a high-speed durability performance test.

[0020] The present invention has the following beneficial effects:

[0021] 1. The present invention sets a lifting mechanism and a translation mechanism so that the incident laser and the upper reflected laser can be raised and lowered to achieve the measurement of the outer diameter and cross-sectional width of the tire body. By replacing different laser sensors or photoelectric switches or measured objects, various parameter tests of different measured objects can be achieved. Compared with traditional measuring equipment, it has the outstanding advantages of multiple measurement parameters, multiple measured objects, full automation, visualization, simple structure, safety protection, and easy use.

[0022] 2. The present invention sets a tire driving mechanism so that the measuring device can measure various parts of the tire body. The positioned tire body is driven by the rotating rubber-coated roller to rotate the tire body, thereby achieving comprehensive measurement of the tire body. The comprehensiveness of the measurement data is greatly improved, and the whole process is automated, with high measurement efficiency.

[0023] 3. The present invention provides a mounting plate and a baffle mechanism so that the measuring device is equipped with a safety protection device to avoid harm to the human body during measurement. When the tire body is subjected to a high-speed durability performance test, the first through hole is closed by the baffle mechanism to avoid damage to the test device due to tire wear and explosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] 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.

[0025] Figure 1 The overall structure of the present invention is schematically shown in FIG. Figure 1 ;

[0026] Figure 2 The overall structure of the present invention is schematically shown in FIG. Figure 2 ;

[0027] Figure 3 It is a schematic diagram of the lifting mechanism structure of the present invention;

[0028] Figure 4 It is a schematic diagram of the frame structure of the present invention;

[0029] Figure 5 It is a schematic diagram of the tire driving mechanism structure of the present invention;

[0030] Figure 6 It is a schematic diagram of the structure of the translation mechanism of the present invention;

[0031] Figure 7 It is a schematic diagram of the baffle mechanism structure of the present invention;

[0032] Figure 8 It is a schematic diagram of the structure of the mounting plate of the present invention;

[0033] Fig. 9 It is a schematic diagram of the structure of the tire parameter measurement of the present invention.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1. Mounting plate; 2. Lifting mechanism; 3. Frame; 4. Tire driving mechanism; 5. Translation mechanism; 6. Baffle mechanism; 7. Tire body; 11. First through hole; 12. Second through hole; 21. Lifting motor; 22. Gearbox; 23. Gearbox mounting seat; 24. Lifting screw; 25. Limiting nut; 26. Lifting nut seat; 27. Lifting guide rod; 31. Top plate; 32. Column; 33. Bottom U-shaped frame; 34. Side bracket; 35. Opposing laser; 36. Micro camera ; 41. Glue-coated roller; 42. Roller bearing seat; 43. Driven synchronous pulley; 44. Driving motor; 45. Active synchronous pulley; 46. Synchronous belt; 51. Translation nut seat; 52. Upper reflective laser; 53. Translation screw rod; 54. Translation bearing seat; 55. Translation motor; 56. Slide rail; 57. Track; 61. Moving baffle; 62. Connecting bent rod; 63. First docking plate; 64. Second docking plate; 65. Cylinder; 66. Cylinder mounting seat; 67. Moving guide rod. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0037] See also Figure 1-1 As shown, the present invention is a fully automatic, multi-parameter measuring device, including a mounting plate 1, a lifting mechanism 2, a frame 3, a tire driving mechanism 4, a translation mechanism 5 and a baffle mechanism 6. The lifting mechanism 2 is fixed to the top rear end of the mounting plate 1, the frame 3 is fixed on the lifting mechanism 2, the tire driving mechanism 4 is fixed on the front side of the frame 3, the translation mechanism 5 is fixed on the rear side of the frame 3, and the baffle mechanism 6 is fixed to the top front end of the mounting plate 1.

[0038] Among them Figure 3 As shown, the lifting mechanism 2 includes a lifting motor 21, a reduction box 22, a reduction box mounting seat 23, a lifting screw 24, a limiting nut 25, a lifting nut seat 26 and a lifting guide rod 27. The lifting motor 21 is fixed on the mounting plate 1, and the output shaft of the lifting motor 21 is fixedly connected to one end of the reduction box 22. The reduction box 22 is fixed to the mounting plate 1 through the reduction box mounting seat 23. The other end of the reduction box 22 is fixedly connected to the bottom end of the lifting screw 24. The top of the lifting screw 24 is provided with a limiting nut 25, and the middle of the lifting screw 24 is provided with a limiting nut 25. The movable sleeve is provided with a lifting nut seat 26, and lifting guide rods 27 are arranged on both sides of the lifting nut seat 26. The bottom ends of the lifting guide rods 27 are fixed to the top of the reduction box 22. When the lifting mechanism 2 is used, the lifting motor 21 drives the reduction box 22 to rotate, and the reduction box 22 is used to reduce speed and realize power steering. The reduction box 22 drives the lifting screw rod 24 to rotate, and the lifting screw rod 24 drives the lifting nut seat 26 to rise and fall along the lifting guide rods 27. The lifting nut seat 26 then drives the frame 3, the tire driving mechanism 4 and the translation mechanism 5 to rise and fall.

[0039] Among them Figure 4 As shown, the frame 3 includes a top plate 31, columns 32, a bottom U-shaped frame 33 and a side bracket 34. The top plate 31 is fixedly connected to the lifting nut seat 26 by bolts. Two symmetrically distributed columns 32 are fixed to the bottom of the top plate 31, and the bottom of the two columns 32 is fixed with a bottom U-shaped frame 33. Two symmetrically distributed opposing lasers 35 are fixed on the inner side surface of the bottom U-shaped frame 33. A micro camera 36 is arranged above the opposing laser 35. The side bracket 34 is fixed to the front side surface of the bottom U-shaped frame 33 by bolts. The outer diameter of the tire body 7 is measured by the opposing laser 35, and the whole measurement process is monitored by the micro camera 36.

[0040] Among them Figure 5 As shown, the tire driving mechanism 4 includes a rubber coating roller 41, a roller bearing seat 42, a driven synchronous pulley 43, a driving motor 44, an active synchronous pulley 45 and a synchronous belt 46. The rubber coating roller 41 is supported by two roller bearing seats 42, and the roller bearing seat 42 is fixed to the side bracket 34 by bolts. The end of the rotating shaft of the rubber coating roller 41 is fixed with a driven synchronous pulley 43, and the driving motor 44 is fixed on the top of the bottom U-shaped frame 33. The output shaft of the driving motor 44 is fixed with an active synchronous pulley 45. Pulley 45, a synchronous belt 46 is arranged between the active synchronous pulley 45 and the driven synchronous pulley 43. When the tire driving mechanism 4 is used, the driving motor 44 drives the active synchronous pulley 45 to rotate, and the active synchronous pulley 45 transmits power to the driven synchronous pulley 43 through the synchronous belt 46. The driven synchronous pulley 43 drives the rubber coating roller 41 to rotate, and the driving of the positioned tire body 7 is realized through the rotating rubber coating roller 41, so that the tire body 7 rotates, thereby realizing a comprehensive measurement of the tire body 7.

[0041] Among them Figure 6As shown, the translation mechanism 5 includes a translation nut seat 51, a translation screw rod 53, a translation bearing seat 54, a translation motor 55, a slide rail 56 and a track 57. The translation nut seat 51 is movably sleeved on the translation screw rod 53. The translation screw rod 53 is supported by two translation bearing seats 54. The translation bearing seat 54 is fixed to the rear side of the bottom U-shaped frame 33 by bolts. One end of the translation screw rod 53 is fixedly connected to the output shaft of the translation motor 55. The translation motor 55 is fixed to the translation bearing seat 54 by bolts. The translation nut seat 51 is movably sleeved on the translation screw rod 53. The translation screw rod 53 is supported by two translation bearing seats 54. The translation bearing seat 54 is fixed to the rear side of the bottom U-shaped frame 33 by bolts. 1 is provided with an upper reflective laser 52 at the bottom, and a slide rail 56 is integrally formed on the top of the translation nut seat 51. The slide rail 56 is slidably matched with the track 57, and the track 57 is fixed between two translation bearing seats 54. When the translation mechanism 5 is used, the translation motor 55 drives the translation screw 53 to rotate, and the translation screw 53 drives the translation nut seat 51 to move along the track 57, and the translation nut seat 51 drives the upper reflective laser 52 to move, so that the movable upper reflective laser 52 can realize the scanning of the cross-sectional width of the tire body 7.

[0042] Among them Figure 7 As shown, the baffle mechanism 6 includes a movable baffle 61, a connecting bent rod 62, a first docking plate 63, a second docking plate 64, a cylinder 65, a cylinder mounting seat 66 and a movable guide rod 67. The movable baffle 61 is arranged below the mounting plate 1. The top of the movable baffle 61 is fixedly connected to one end of the connecting bent rod 62. The other end of the connecting bent rod 62 is fixed with the first docking plate 63. The first docking plate 63 and the second docking plate 64 are fixedly connected by bolts. The second docking plate 64 is fixed on the piston rod of the cylinder 65. The cylinder 65 is fixed at the top front end position of the mounting plate 1 through the cylinder mounting seat 66. Moving guide rods 67 are arranged on both sides of the cylinder 65, and the moving guide rods 67 are fixed on the second docking plate 64.

[0043] Among them Figure 8 As shown, the mounting plate 1 is respectively provided with a first through hole 11 and a second through hole 12, the first through hole 11 and the second through hole 12 are connected, the frame 3, the tire driving mechanism 4 and the translation mechanism 5 are arranged above the first through hole 11, and the second through hole 12 cooperates with the connecting bent rod 62.

[0044] Among them Figure 1-9 As shown, the present invention also provides a method for using a fully automatic, multi-parameter measuring device, taking the measurement of the cross-sectional width and outer diameter of a tire body 7 as an example, comprising the following steps:

[0045] S1: The lifting mechanism 2 drives the frame 3, the tire driving mechanism 4 and the translation mechanism 5 to descend, so that the frame 3, the tire driving mechanism 4 and the translation mechanism 5 pass through the first through hole 11 and reach the tire body 7 to be measured below the mounting plate 1;

[0046] S2: Start the tire driving mechanism 4. At this time, the rubber coating roller 41 rotates under the drive of the driving motor 44. The tire body 7 is positioned below the rubber coating roller 41. When the rubber coating roller 41 contacts the tire body 7 and applies a certain force, the tire body 7 can be driven to rotate;

[0047] S3: At this time, a pair of opposing lasers 35 on the inner side of the bottom U-shaped frame 33 are turned on to measure the outer diameter of the tire body 7;

[0048] S4: At the same time, the translation nut seat 51 on the translation mechanism 5 drives the upper reflected laser 52 to move horizontally along the track 57 to scan the cross-sectional width of the tire body 7;

[0049] S5: During the measurement process, the entire measurement process can be monitored by the micro camera 36;

[0050] S6: After the measurement of parameters such as the outer diameter and cross-sectional width of the tire body 7 is completed, the frame 3, the tire driving mechanism 4 and the translation mechanism 5 are driven to rise and reset by the lifting mechanism 2. At this time, the movable baffle 61 is driven to move by the cylinder 65, and the first through hole 11 is closed by the movable baffle 61 to prevent the tire body 7 from being worn or exploded and damaging the test device when the high-speed durability performance test is carried out.

[0051] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments, any equivalent replacement of some of the technical features therein, and any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A fully automatic, multi-parameter measuring device, comprising a mounting plate (1), a lifting mechanism (2), a frame (3), a tire driving mechanism (4), a translation mechanism (5) and a baffle mechanism (6), characterized in that: A lifting mechanism (2) is fixed to the rear end of the top of the mounting plate (1), a frame (3) is fixed to the lifting mechanism (2), a tire driving mechanism (4) is fixed to the front side of the frame (3), a translation mechanism (5) is fixed to the rear side of the frame (3), and a baffle mechanism (6) is fixed to the front end of the top of the mounting plate (1); The tire driving mechanism (4) comprises a rubber-coated roller (41), a roller bearing seat (42), a driven synchronous pulley (43), a driving motor (44), a driving synchronous pulley (45) and a synchronous belt (46); the rubber-coated roller (41) is supported by two roller bearing seats (42); the roller bearing seat (42) is fixed to a side bracket (34) by bolts; a driven synchronous pulley (43) is fixedly sleeved on the end of the rotating shaft of the rubber-coated roller (41); the driving motor (44) is fixedly sleeved on the top of the bottom U-shaped frame (33); a driving synchronous pulley (45) is fixedly sleeved on the output shaft of the driving motor (44); a synchronous belt (46) is arranged between the driving synchronous pulley (45) and the driven synchronous pulley (43); The baffle mechanism (6) comprises a movable baffle (61), a connecting bent rod (62), a first docking plate (63), a second docking plate (64), a cylinder (65), a cylinder mounting seat (66) and a movable guide rod (67). The movable baffle (61) is arranged below the mounting plate (1). The top of the movable baffle (61) is fixedly connected to one end of the connecting bent rod (62). The other end of the connecting bent rod (62) is fixed with the first docking plate (63). The first docking plate (63) and the second docking plate (64) are fixedly connected by bolts. The second docking plate (64) is fixed on the piston rod of the cylinder (65). The cylinder (65) is fixed at the top front end of the mounting plate (1) through the cylinder mounting seat (66). The two sides of the cylinder (65) are penetrated by movable guide rods (67), and the movable guide rods (67) are fixed on the second docking plate (64).

2. A fully automatic, multi-parameter measurement device according to claim 1, characterized in that: The lifting mechanism (2) comprises a lifting motor (21), a reduction box (22), a reduction box mounting seat (23), a lifting screw (24), a limiting nut (25), a lifting nut seat (26) and a lifting guide rod (27). The lifting motor (21) is fixed on the mounting plate (1). The output shaft of the lifting motor (21) is fixedly connected to one end of the reduction box (22). The reduction box (22) is fixed to the mounting plate (1) through the reduction box mounting seat (23). The other end of the reduction box (22) is fixedly connected to the bottom end of the lifting screw (24). A limiting nut (25) is arranged at the top end of the lifting screw (24). A lifting nut seat (26) is arranged in the middle movable sleeve of the lifting screw (24). Lifting guide rods (27) are arranged on both sides of the lifting nut seat (26). The bottom end of the lifting guide rod (27) is fixed to the top of the reduction box (22).

3. A fully automatic, multi-parameter measurement device according to claim 2, characterized in that: The frame (3) comprises a top plate (31), columns (32), a bottom U-shaped frame (33) and a side bracket (34); the top plate (31) is fixedly connected to a lifting nut seat (26) by bolts; two symmetrically distributed columns (32) are fixed to the bottom of the top plate (31); the bottoms of the two columns (32) are fixed with a bottom U-shaped frame (33); two symmetrically distributed opposing lasers (35) are fixed on the inner side of the bottom U-shaped frame (33); a micro camera (36) is arranged above the opposing lasers (35); and a side bracket (34) is fixed to the front side of the bottom U-shaped frame (33) by bolts.

4. A fully automatic, multi-parameter measurement device according to claim 3, characterized in that: The translation mechanism (5) comprises a translation nut seat (51), a translation screw rod (53), a translation bearing seat (54), a translation motor (55), a slide rail (56) and a track (57); the translation nut seat (51) is movably sleeved on the translation screw rod (53); the translation screw rod (53) is supported by two translation bearing seats (54); the translation bearing seat (54) is fixed to the rear side of the bottom U-shaped frame (33) by bolts; One end of the lead screw (53) is fixedly connected to the output shaft of the translation motor (55), and the translation motor (55) is fixed to the translation bearing seat (54) by bolts. The bottom of the translation nut seat (51) is provided with an upper reflective laser (52), and the top of the translation nut seat (51) is integrally formed with a slide rail (56), and the slide rail (56) is slidably matched with the track (57), and the track (57) is fixed between the two translation bearing seats (54).

5. A fully automatic, multi-parameter measurement device according to claim 1, characterized in that: The mounting plate (1) is provided with a first through hole (11) and a second through hole (12), respectively; the first through hole (11) and the second through hole (12) are connected; the frame (3), the tire driving mechanism (4) and the translation mechanism (5) are arranged above the first through hole (11); and the second through hole (12) cooperates with the connecting bent rod (62).

6. A method for using a fully automatic, multi-parameter measurement device, characterized in that: The following steps are involved: S1: The lifting mechanism (2) drives the frame (3), the tire driving mechanism (4) and the translation mechanism (5) to descend, so that the frame (3), the tire driving mechanism (4) and the translation mechanism (5) pass through the first through hole (11) and reach the tire body (7) to be measured below the mounting plate (1); S2: starting the tire driving mechanism (4), at which time the rubber coating roller (41) is driven by the driving motor (44) to rotate, and the tire body (7) is positioned below the rubber coating roller (41). When the rubber coating roller (41) contacts the tire body (7) and applies a certain force, the tire body (7) can be driven to rotate; S3: At this time, a pair of opposing lasers (35) on the inner side of the bottom U-shaped frame (33) are turned on to measure the outer diameter of the tire body (7); S4: At the same time, the translation nut seat (51) on the translation mechanism (5) drives the upper reflection laser (52) to move horizontally along the track (57), thereby scanning the cross-sectional width of the tire body (7); S5: During the measurement process, the entire measurement process can be monitored by the micro camera (36); S6: After the measurement of parameters such as the outer diameter and cross-sectional width of the tire body (7) is completed, the lifting mechanism (2) drives the frame (3), the tire driving mechanism (4) and the translation mechanism (5) to rise and reset. At this time, the cylinder (65) drives the movable baffle (61) to move, and the first through hole (11) is closed by the movable baffle (61) to prevent the tire from being worn or exploded and damaging the test device when the tire body (7) is subjected to a high-speed durability performance test.

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