CN219996527U - Vertical elasticity testing machine for tire - Google Patents

Abstract

The utility model belongs to the technical field of test machines, in particular to a tire vertical elasticity test machine, which comprises a movable plate, wherein a guide post is arranged above the movable plate, a plurality of groups of limiting plates are arranged on the circumferential surface of the guide post, a supporting plate is arranged on the movable plate, a gear is meshed with teeth of a gear plate, a laser sensor transmitting device and a receiving device are arranged on the supporting frame, in order to ensure the qualification of a tire, the tire under the air pressure of a standard tire is required to be arranged on the limiting plates in a penetrating manner through a metal rim, the metal rim of the tire is supported and fixed through the supporting plate and the limiting plates, the gear plate drives the movable plate to move in parallel under the limitation of a sliding block through the rotation of the gear, the laser is tangent to the side edge of the tire, the adjustment of a pendulum drop point is realized, and the inaccuracy of the pendulum swing angle and the drop point caused by different wall thicknesses of the diameter of the tire is avoided.

Description

Vertical elasticity testing machine for tire

Technical Field

The utility model relates to the technical field of testing machines, in particular to a tire vertical elasticity testing machine.

Background

The tire is a ring-shaped elastic rubber product which is assembled on various vehicles or machines and rolls in a grounding way, is usually arranged on a metal rim, can support a vehicle body and buffer external impact, has higher elastic performance, is an important standard for checking whether a tire is good or bad, and is usually used for detecting the elasticity of the tire by a vertical elasticity tester;

the existing vertical elasticity testing machine comprises a fixing device, a pendulum bob and a high-speed camera, wherein after the tire is fixed by the fixing device, the pendulum bob impacts the tire, the high-speed camera is used for recording the maximum rebound angle of the pendulum bob and calculating the rebound value, so that the elasticity intensity of the tire is judged;

however, the existing vertical elasticity testing machine cannot ensure that the falling points of the pendulums are consistent, when the elasticity of tires with different diameters is tested, the swing angles and the falling points of the pendulums are inaccurate due to the fact that the diameters of the tires are different in wall thickness, the stressed forces and the rebound angles are different, and errors of data cannot be compared in parallel; therefore, a tire vertical elasticity testing machine is proposed to address the above-described problems.

Disclosure of Invention

In order to overcome the defects in the prior art and solve the problem that the consistent falling point of a pendulum bob cannot be ensured, the utility model provides a tire vertical elasticity testing machine.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a tire vertical elasticity testing machine, which comprises a support frame, wherein the support frame is of a U-shaped structure, sliding grooves are formed in two sides of a U-shaped groove of the support frame, a moving plate is arranged on the support frame in a matched mode, sliding blocks are fixed on two sides of the moving plate, and the sliding blocks are arranged in the sliding grooves of the support frame in a matched sliding mode;

the movable plate is characterized in that a first fixing plate is fixed above the movable plate, a guide post is fixed on the first fixing plate, a push plate is arranged on the guide post in a sliding mode, a plurality of groups of limiting plates are arranged on the circumferential surface of the guide post, a first hydraulic cylinder is fixed on the first fixing plate, a first piston rod is matched and installed on the first hydraulic cylinder, the first piston rod is fixed on the push plate at the action end, a first connecting seat is fixed on the push plate, a second connecting seat and a third connecting seat are fixed on the limiting plates, the first connecting seat and the second connecting seat are matched and connected with a first connecting rod through a rotating shaft, a fourth connecting seat is fixed on the guide post, the third connecting seat and the fourth connecting seat are matched and connected with a second connecting rod through the rotating shaft, and a shielding plate is fixed on one side of the fourth connecting seat;

the automatic pendulum bob is characterized in that a second fixing plate is fixed above the moving plate, a second hydraulic cylinder is fixed on the second fixing plate, a second piston rod is matched with and installed on the second hydraulic cylinder, a supporting plate is fixed on the second piston rod, a gear plate is fixed on the moving plate, a servo motor is fixed at the bottom of the supporting frame, an output end of the servo motor penetrates through a supporting frame fixedly connected with a gear through a rotating shaft, the gear is meshed with teeth of the gear plate, a first connecting piece is fixed on the supporting frame, a laser sensor transmitting device is fixed on the first connecting piece, a second connecting piece is fixed on the supporting frame, a laser sensor receiving device is fixed on the second connecting piece, the laser sensor transmitting device and the laser sensor receiving device are matched with each other, adjustment of a pendulum bob point is achieved, the fact that different wall thicknesses of tire diameters enable the pendulum bob to swing angle and the pendulum bob point to be inaccurate is avoided, and reliability of elastic results is guaranteed.

Preferably, be fixed with the spirit level on the support frame, the bottom of support frame is fixed with the threaded rod, through spirit level horizontal calibration, realizes the level setting to the support frame, has guaranteed the reliability of elasticity test.

Preferably, a thread cylinder is arranged below the threaded rod, a thread groove is formed in the thread cylinder, the threaded rod is slidably mounted on the thread groove in the thread cylinder, a rotating column is fixed on the thread cylinder, and effective horizontal adjustment is achieved through the threaded rod.

Preferably, the second connecting piece is provided with a swinging column through rotation of the rotating shaft, the rotating shaft is fixedly provided with a limiting column, and the limiting columns are positioned on two sides of the swinging column, so that effective limiting of the swinging column is realized, and inclination caused in the swinging process is avoided.

Preferably, the striking hammer is fixed on the swinging column, the supporting rod is slidably mounted on the second connecting piece, the supporting rod is in a T-shaped arrangement, the supporting rod and the swinging column are in matched installation, and the striking hammer is effectively and freely swung down by pulling out the supporting rod.

Preferably, the first connecting piece is fixedly provided with a high-speed camera, the support frame is fixedly provided with a hydraulic pump, the hydraulic pump is connected with the first hydraulic cylinder and the second hydraulic cylinder through pipelines, and the hydraulic pump is used for effectively controlling the first hydraulic cylinder and the second hydraulic cylinder.

The utility model has the advantages that:

1. according to the utility model, through the moving structural design of the moving plate, the function of adjusting the drop point of the pendulum bob is realized, in order to ensure the qualification of the tire, the elasticity of the tire is required to be detected, the tire under the air pressure of the standard tire is arranged on the limiting plate in a penetrating way through the metal rim, the tire is pushed by the forward movement of the supporting plate, the metal rim of the tire is moved outwards away from the guide post through the limiting plate, the tire is supported and fixed, the tire is fixed, the gear plate drives the moving plate to move in parallel under the limitation of the sliding block through the rotation of the gear, the movement of the tire is realized, the laser is tangential to the side edge of the tire, the adjustment of the drop point of the pendulum bob is realized, and the inaccuracy of the swing angle and the drop point of the pendulum bob caused by different wall thicknesses of the diameters of the tire is avoided.

2. According to the utility model, the function of leveling the support frame is realized through the structural design of leveling calibration of the level meter, the level setting of the operation table needs to be ensured in order to realize the rebound accuracy of the pendulum bob, the level meter arranged on the support frame is observed, the level meter is displayed as a level index through the movement of a threaded rod, the leveling setting of the support frame is realized, the leveling adjustment of the support frame is realized through the leveling calibration of the level meter, and the reliability of an elasticity test is ensured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a first perspective view of a first embodiment;

fig. 2 is a schematic diagram of a second perspective structure of the first embodiment;

FIG. 3 is a schematic diagram of two sides of a guide post according to the first embodiment;

fig. 4 is a schematic diagram of two side structures of a hydraulic cylinder No. two according to the first embodiment;

FIG. 5 is a schematic diagram showing a cross-sectional structure of two sides of a slider according to the first embodiment;

FIG. 6 is a schematic diagram of two sides of a swing post according to the first embodiment;

fig. 7 is a schematic view of a rubber pad according to a second embodiment.

In the figure: 1. a support frame; 2. a moving plate; 3. a slide block; 4. a first fixing plate; 5. a first hydraulic cylinder; 6. a first piston rod; 7. a guide post; 8. a push plate; 9. a limiting plate; 10. a first connecting seat; 11. a second connecting seat; 12. a first connecting rod; 13. a third connecting seat; 14. a fourth connecting seat; 15. a second connecting rod; 16. a shielding plate; 17. a second fixing plate; 18. a second hydraulic cylinder; 19. a second piston rod; 20. a support plate; 21. a gear plate; 22. a servo motor; 23. a gear; 24. a first connecting piece; 25. a laser sensor emitting device; 26. a second connecting piece; 27. a laser sensor receiving device; 28. a level gauge; 29. a threaded rod; 30. a thread cylinder; 31. a spin column; 32. a swing column; 33. a limit column; 34. striking a hammer; 35. a support rod; 36. a high-speed camera; 37. a hydraulic pump; 38. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-6, a tire vertical elasticity testing machine comprises a support frame 1, wherein the support frame 1 is of a U-shaped structure, sliding grooves are formed in two sides of a U-shaped groove of the support frame 1, a moving plate 2 is arranged on the support frame 1 in a matched mode, sliding blocks 3 are fixed on two sides of the moving plate 2, and the sliding blocks 3 are arranged in the sliding grooves of the support frame 1 in a matched sliding mode;

the movable plate is characterized in that a first fixing plate 4 is fixed above the movable plate 2, a guide post 7 is fixed on the first fixing plate 4, a push plate 8 is slidably arranged on the guide post 7, a plurality of groups of limiting plates 9 are arranged on the circumferential surface of the guide post 7, a first hydraulic cylinder 5 is fixed on the first fixing plate 4, a first piston rod 6 is mounted on the first hydraulic cylinder 5 in a matched manner, the first piston rod 6 is fixed on the push plate 8 at the action end, a first connecting seat 10 is fixed on the push plate 8, a second connecting seat 11 and a third connecting seat 13 are fixed on the limiting plates 9, the first connecting seat 10 and the second connecting seat 11 are connected with a first connecting rod 12 in a matched manner through a rotating shaft, a fourth connecting seat 14 is fixed on the guide post 7, the third connecting seat 13 and the fourth connecting seat 14 are connected with a second connecting rod 15 in a matched manner through the rotating shaft, and a shielding plate 16 is fixed on one side of the fourth connecting seat 14;

a second fixing plate 17 is fixed above the moving plate 2, a second hydraulic cylinder 18 is fixed on the second fixing plate 17, a second piston rod 19 is matched and installed on the second hydraulic cylinder 18, a supporting plate 20 is fixed on the second piston rod 19, a gear plate 21 is fixed on the moving plate 2, a servo motor 22 is fixed at the bottom of the supporting frame 1, an output end of the servo motor 22 penetrates through the supporting frame 1 through a rotating shaft to fixedly connect with a gear 23, the gear 23 is meshed with teeth of the gear plate 21, a first connecting piece 24 is fixed on the supporting frame 1, a laser sensor transmitting device 25 is fixed on the first connecting piece 24, a second connecting piece 26 is fixed on the supporting frame 1, a laser sensor receiving device 27 is fixed on the second connecting piece 26, the laser sensor transmitting device 25 and the laser sensor receiving device 27 are matched and arranged devices, a hydraulic pump 37 is fixed on the supporting frame 1, and the hydraulic pump 37 is connected with the first hydraulic cylinder 5 and the second hydraulic cylinder 18 through a pipeline;

before the tire is produced and enters the market, in order to ensure the qualification of the tire, the elasticity of the tire needs to be detected, the failure of the tire caused by the insufficient elasticity is avoided, in order to realize the detection of the elasticity of the tire, the elasticity needs to be detected through a spring vertical elasticity testing machine, the tire under the air pressure of a standard tire is fixed through a fixing device, a pendulum is used for impacting the tire, a high-speed camera is used for recording the maximum rebound angle of the pendulum and calculating the rebound value, so that the elasticity of the tire is judged, when the tire is to be detected, the tire under the air pressure of the standard tire is worn on the outer edge of a limiting plate 9 through a metal rim, a hydraulic pump 37 is started, hydraulic oil is flushed into a No. two hydraulic cylinder 18, a No. two piston rod 19 is used for pushing a supporting plate 20 to move the tire forwards, the hydraulic oil is flushed into a No. one hydraulic cylinder 5 at the moment, when the push plate 8 moves towards the tire, the push plate 8 is pushed to slide on the guide post 7 by the first piston rod 6, the limiting plate 9 moves outwards away from the guide post 7 under the guide of the first connecting rod 12 and the second connecting rod 15, the metal rim of the tire is supported and fixed, the fixing of the tire is realized through the limiting effect of the shielding plate 16 on the second connecting rod 15, the laser sensor transmitting device 25 and the laser sensor receiving device 27 are started at the moment, the types of the laser sensor transmitting device 25 and the laser sensor receiving device 27 can be E3F-20P2, the laser emitted by the laser sensor transmitting device 25 and the laser sensor receiving device 27 is positioned at the falling point position of the pendulum bob, the servo motor 22 is started, the gear 23 is rotated, the gear 23 is meshed with the teeth of the gear plate 21, the gear plate 21 drives the moving plate 2 to move in parallel under the limitation of the sliding block 3, the tire is moved, when the tire moves in parallel, the laser is tangent to the side edge of the tire, the adjustment of the drop point of the pendulum is realized, the inaccuracy of the swing angle and the drop point of the pendulum due to different wall thicknesses of the tire diameter is avoided, the reliability of an elastic result is ensured, and the effective parallel comparison of data is facilitated.

The horizontal instrument 28 is fixed on the support frame 1, a threaded rod 29 is fixed at the bottom of the support frame 1, a threaded cylinder 30 is arranged below the threaded rod 29, a threaded groove is formed in the threaded cylinder 30, the threaded rod 29 is slidably mounted on the threaded groove in the threaded cylinder 30, a rotating column 31 is fixed on the threaded cylinder 30, a swinging column 32 is rotatably mounted on the second connecting piece 26 through a rotating shaft, a limiting column 33 is fixed on the rotating shaft, the limiting column 33 is positioned on two sides of the swinging column 32, a striking hammer 34 is fixed on the swinging column 32, a supporting rod 35 is slidably mounted on the second connecting piece 26, the supporting rod 35 is in a T-shaped arrangement, the supporting rod 35 and the swinging column 32 are in a matched mounting arrangement, a high-speed camera 36 is fixed on the first connecting piece 24, a hydraulic pump 37 is fixed on the support frame 1, and the hydraulic pump 37 is connected with the first hydraulic cylinder 5 and the second hydraulic cylinder 18 through pipelines;

during operation, when the elastic strength of the tire is detected through the vertical elasticity testing machine, the tire is required to be impacted through the pendulum bob, so that the rebound value is calculated on the maximum rebound angle of the pendulum bob, in order to achieve the rebound accuracy of the pendulum bob, the horizontal arrangement of the operation table is required to be ensured, the inclination of the pendulum bob in the movement process is avoided, the rebound data is prevented from being error, in order to achieve the horizontal arrangement of the operation table, the level gauge 28 arranged on the support frame 1 is required to be observed, the model of the level gauge 28 can be MNT-916303, the inclination of the level gauge 28 is judged, the threaded cylinder 30 is driven to rotate through the rotary column 31, the threaded rod 29 is enabled to move upwards or downwards, the level gauge 28 is enabled to be displayed as a horizontal index, the leveling arrangement of the support frame 1 is achieved, the swing column 32 is enabled to swing under the limit of the limit column 33, the tire at the drop point position is enabled to be shot through the high-speed camera 36, the elasticity value is calculated, the model of the high-speed camera 36 can be WP-2600/M, and the level reliability of the level test of the support frame 1 is guaranteed through the level gauge 28.

Example two

Referring to fig. 7, in a first comparative example, as another embodiment of the present utility model, rubber pads 38 are fixed on the limiting plate 9, and the rubber pads 38 are disposed at two ends of the outer side of the limiting plate 9; during operation, the metal rim of the tire is required to be supported and fixed through the limiting plate 9, in order to avoid sliding of the metal rim, the rubber pad 38 is fixed on the limiting plate 9, the metal rim of the tire is effectively fixed through improving friction force by the rubber pad 38, and slipping of the metal rim of the tire in the use process of the testing machine is avoided.

The working principle is that when the elastic intensity of the tire is detected through the vertical elastic testing machine, the tire is required to be impacted through the pendulum bob, so that the rebound value is calculated for the maximum rebound angle of the pendulum bob, in order to achieve the rebound accuracy of the pendulum bob, the horizontal arrangement of the operation table is required to be ensured, the inclination of the pendulum bob in the movement process is avoided, the rebound data is prevented from being caused, the error exists in the horizontal arrangement of the operation table, in order to achieve the horizontal arrangement of the operation table, the level gauge 28 arranged on the support frame 1 is required to be observed, the model of the level gauge 28 can be MNT-916303, the inclination of the level gauge 28 is judged, the threaded cylinder 30 is driven to rotate through the rotary column 31, the threaded rod 29 is enabled to move upwards or downwards, the level gauge 28 is enabled to be displayed as a horizontal index, the leveling arrangement of the support frame 1 is achieved, the swing column 32 is enabled to swing under the limit of the limit column 33, the tire at the drop point position is driven to swing, the tire is shot through the high-speed camera 36, the elasticity value is calculated, the model of the high-speed camera 36 can be WP-2600/M, and the reliability of the level test of the support frame 1 is guaranteed through the level gauge 28, and the reliability of the level test is achieved;

before the tire is produced and enters the market, in order to ensure the qualification of the tire, the elasticity of the tire needs to be detected, the failure of the tire caused by the insufficient elasticity is avoided, in order to realize the detection of the elasticity of the tire, the elasticity of the tire needs to be detected through a spring vertical elasticity testing machine, the tire under the air pressure of a standard tire is fixed through a fixing device, a pendulum is used for impacting the tire, a high-speed camera is used for recording the maximum rebound angle of the pendulum and calculating the rebound value, so as to judge the elasticity of the tire, when the tire is to be detected, the tire under the air pressure of the standard tire is worn on the outer edge of a limiting plate 9 through a metal rim, a hydraulic pump 37 is started, hydraulic oil is flushed into a No. two hydraulic cylinder 18, a No. two piston rod 19 is used for pushing a supporting plate 20 to move forwards to push the tire, at the moment, the hydraulic oil is flushed into a No. one hydraulic cylinder 5, when the push plate 8 moves towards the tire, the push plate 8 is pushed to slide on the guide post 7 by the first piston rod 6, the limiting plate 9 moves outwards away from the guide post 7 under the guide of the first connecting rod 12 and the second connecting rod 15, the metal rim of the tire is supported and fixed, the fixing of the tire is realized through the limiting effect of the shielding plate 16 on the second connecting rod 15, the laser sensor transmitting device 25 and the laser sensor receiving device 27 are started at the moment, the types of the laser sensor transmitting device 25 and the laser sensor receiving device 27 can be E3F-20P2, the laser emitted by the laser sensor transmitting device 25 and the laser sensor receiving device 27 is positioned at the falling point position of the pendulum bob, the servo motor 22 is started, the gear 23 is rotated, the gear 23 is meshed with the teeth of the gear plate 21, the gear plate 21 drives the moving plate 2 to move in parallel under the limitation of the sliding block 3, the tire is moved, when the tire moves in parallel, the laser is tangent to the side edge of the tire, the adjustment of the drop point of the pendulum is realized, the inaccuracy of the swing angle and the drop point of the pendulum due to different wall thicknesses of the tire diameter is avoided, the reliability of an elastic result is ensured, and the effective parallel comparison of data is facilitated.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The vertical elasticity testing machine for the tire comprises a support frame (1), wherein the support frame (1) is of a U-shaped structure, sliding grooves are formed in two sides of a U-shaped groove of the support frame (1), a moving plate (2) is arranged on the support frame (1) in a matched mode, sliding blocks (3) are fixed on two sides of the moving plate (2), and the sliding blocks (3) are slidably installed in the sliding grooves of the support frame (1) in a matched mode;

the movable plate is characterized in that a first fixing plate (4) is fixed above the movable plate (2), a guide post (7) is fixed on the first fixing plate (4), a push plate (8) is slidably arranged on the guide post (7), a plurality of groups of limiting plates (9) are arranged on the circumferential surface of the guide post (7), a first hydraulic cylinder (5) is fixed on the first fixing plate (4), a first piston rod (6) is matched and installed on the first hydraulic cylinder (5), the first piston rod (6) is fixed on the push plate (8) at the action end, a first connecting seat (10) is fixed on the push plate (8), a second connecting seat (11) and a third connecting seat (13) are fixed on the limiting plates (9), the first connecting seat (10) and the second connecting seat (11) are matched and connected with a first connecting rod (12) through a rotating shaft, a fourth connecting seat (14) is fixed on the guide post (7), and the third connecting seat (13) and the fourth connecting seat (14) are matched and connected with a fourth connecting seat (16) through a rotating shaft, and one side of the fourth connecting seat (14) is fixedly connected with a baffle plate (16).

The automatic laser sensor is characterized in that a second fixing plate (17) is fixed above the moving plate (2), a second hydraulic cylinder (18) is fixed on the second fixing plate (17), a second piston rod (19) is matched and installed on the second hydraulic cylinder (18), a supporting plate (20) is fixed on the second piston rod (19), a gear plate (21) is fixed on the moving plate (2), a servo motor (22) is fixed at the bottom of the supporting frame (1), the output end of the servo motor (22) penetrates through the supporting frame (1) through a rotating shaft to be fixedly connected with a gear (23), the gear (23) is meshed with teeth of the gear plate (21), a first connecting piece (24) is fixed on the supporting frame (1), a laser sensor transmitting device (25) is fixed on the first connecting piece (24), a laser sensor receiving device (27) is fixed on the second connecting piece (26), and the laser sensor transmitting device (25) and the sensor receiving device (27) are matched.

2. A tire vertical elasticity testing machine according to claim 1, wherein: the level gauge (28) is fixed on the support frame (1), and a threaded rod (29) is fixed at the bottom of the support frame (1).

3. A tire vertical elasticity testing machine according to claim 2, wherein: the screw thread cylinder (30) is arranged below the threaded rod (29), a thread groove is formed in the thread cylinder (30), the threaded rod (29) is slidably mounted on the thread groove in the thread cylinder (30), and a rotating column (31) is fixed on the thread cylinder (30).

4. A tire vertical elasticity testing machine according to claim 1, wherein: the second connecting piece (26) is rotatably provided with a swinging column (32) through a rotating shaft, a limiting column (33) is fixed on the rotating shaft, and the limiting column (33) is positioned on two sides of the swinging column (32).

5. A tire vertical elasticity testing machine according to claim 4, wherein: the novel swinging column is characterized in that a striking hammer (34) is fixed on the swinging column (32), a supporting rod (35) is slidably mounted on the second connecting piece (26), the supporting rod (35) is in a T-shaped arrangement, and the supporting rod (35) and the swinging column (32) are in matched installation.

6. The machine of claim 5, wherein: a high-speed camera (36) is fixed on the first connecting piece (24), a hydraulic pump (37) is fixed on the support frame (1), and the hydraulic pump (37) is connected with the first hydraulic cylinder (5) and the second hydraulic cylinder (18) through pipelines.