CN217930842U

CN217930842U - Tire crack initiation resistance testing device

Info

Publication number: CN217930842U
Application number: CN202122878815.8U
Authority: CN
Inventors: 朱光苗; 李延珍; 贺炅皓; 李岩磊; 李月; 王晓东
Original assignee: Otsuka Material Science And Technology Shanghai Co ltd; Qingdao Chuangzhi Hengye New Material Co ltd; Qingdao Xinyada Electrical Equipment Co ltd; Qingdao University
Current assignee: Otsuka Material Science And Technology Shanghai Co ltd; Qingdao Chuangzhi Hengye New Material Co ltd; Qingdao Xinyada Electrical Equipment Co ltd; Qingdao University
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-11-29
Anticipated expiration: 2031-11-23

Abstract

The utility model belongs to tire fatigue resistance can test equipment field, concretely relates to tire crack initiation testing arrangement, including operation panel and monitor, one side of operation panel is fixed with mounting panel and lower mounting panel, it has last telescopic machanism and last guide pin bushing to go up to be fixed with on the mounting panel, sliding connection has last drive lever on going up the guide pin bushing, go up the one end of drive lever and pass through first force sensor and connect telescopic machanism, the other end of going up the drive lever is fixed with anchor clamps, be fixed with down telescopic machanism down on the lower mounting panel, lower telescopic machanism is fixed with down anchor clamps through lower drive lever, the top of operation panel is fixed with positive mounting panel, be fixed with horizontal telescopic machanism and horizontal guide pin bushing on the positive mounting panel, sliding connection has horizontal drive rod on the horizontal guide pin bushing, horizontal drive rod's one end is passed through second force sensor and is connected horizontal telescopic machanism, horizontal drive rod's the other end is fixed with the cutter holder, install the cutter on the cutter holder. The utility model discloses the cost is lower, test cycle is shorter, efficiency of software testing is higher.

Description

Tire crack initiation resistance testing device

Technical Field

The utility model relates to a resistant crackle initiation testing arrangement of tire belongs to tire fatigue resistance test equipment field.

Background

At present, a good evaluation method for tire fatigue resistance performance test is not available, the phenomenon that the tire fatigue resistance performance evaluation is excellent but the crack of the bottom of the tire groove is often generated, the repeatability of the evaluation result of the existing tire fatigue resistance performance is poor, the difference is large, and the general detection period is long. Other traditional methods for detecting the real tire by mounting the tire on a test vehicle have high test cost, long period and poor representativeness, so that the evaluation of the fatigue resistance of the tire is always a difficult point in the industry.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: provided is a tire crack initiation resistance test device capable of detecting the tire crack resistance performance.

Resistant crackle initiation testing arrangement of tire, including operation panel and monitor, one side of operation panel is fixed with mounting panel and lower mounting panel, it is fixed with telescopic machanism and last guide pin bushing on the mounting panel to go up, be fixed with the connecting block on going up telescopic machanism's the movable assembly, sliding connection has last drive rod on going up the guide pin bushing, go up and be connected with first force sensor between the one end of drive rod and the last connecting block, the other end of going up the drive rod is fixed with anchor clamps, be fixed with down telescopic machanism on the lower mounting panel, be fixed with down the connecting block on telescopic machanism's the movable assembly down, the lower connecting block is fixed with the lower anchor clamps corresponding with last anchor clamps through the lower drive rod, the top of operation panel is fixed with positive mounting panel, correspond on the positive mounting panel and be fixed with horizontal telescopic machanism and horizontal guide pin bushing, be fixed with the horizontal connecting block on horizontal telescopic machanism's the movable assembly, sliding connection has the horizontal drive rod on the horizontal drive rod, be connected with second force sensor between horizontal one end and the horizontal connecting block, the other end of horizontal drive rod is fixed with the cutter holder, install on the cutter holder with last anchor clamps, the corresponding cutter holder, first force sensor is all connected with the monitor electricity.

Foretell telescopic machanism, lower telescopic machanism all include electric telescopic handle with horizontal telescopic machanism, and electric telescopic handle's tailpiece of the piston rod portion is fixed with the connecting block, be fixed with on the connecting block with electric telescopic handle sliding connection's connecting plate, carry out the transmission through electric telescopic handle, simple structure, it is less to fill a percentage, the control of being convenient for.

The connecting plate and the electric telescopic rod are in sliding connection through the matching of the linear guide rail and the sliding block, and the sliding stability is good.

The monitor is arranged on the front side of the positive mounting plate, and is reasonable in structural layout and convenient to observe and operate.

The bottom of the upper clamp and the top of the lower clamp are respectively provided with the upper groove and the lower groove, so that the structure is simple, and a sample can be conveniently placed and taken out.

Compared with the prior art, the utility model beneficial effect who has is:

the crack resistance germination testing device for the tire has simple structure and lower cost; the test period is short, the test efficiency is high, and the test effect is obvious.

Drawings

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

FIG. 2 is an enlarged view taken at a in FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a schematic structural view of an upper telescoping mechanism, a lower telescoping mechanism and a horizontal telescoping mechanism in a preferred embodiment;

fig. 5 is a schematic structural view of an upper jig and a lower jig in the preferred embodiment.

In the figure: 1. an operation table; 2. a lower mounting plate; 3. a horizontal connecting block; 4. a horizontal telescoping mechanism; 5. a positive mounting plate; 6. a monitor; 7. a second force sensor; 8. a lower telescoping mechanism; 9. a horizontal transmission rod; 10. a first force sensor; 11. an upper connecting block; 12. an upper telescoping mechanism; 13. an upper mounting plate; 14. a horizontal guide sleeve; 15. a tool holder; 16. an upper guide sleeve; 17. a transmission rod is arranged; 18. an upper clamp; 19. a tire sample; 20. a lower clamp; 21. a cutter; 22. a lower transmission rod; 23. a lower connecting block; 24. connecting blocks; 25. an electric telescopic rod; 26. a slider; 27. a linear guide rail; 28. a connecting plate; 29. an upper groove; 30. a lower groove.

Detailed Description

Embodiments of the present invention are further described below with reference to the accompanying drawings:

as shown in fig. 1 to 5, the crack initiation resistance testing device for the tire, including operation panel 1 and monitor 6, one side of operation panel 1 is fixed with last mounting panel 13 and lower mounting panel 2, it is fixed with last telescopic machanism 12 and last guide pin bushing 16 on the mounting panel 13 to go up, be fixed with connecting block 11 on the movable assembly of last telescopic machanism 12, sliding connection has last drive rod 17 on going up guide pin bushing 16, it is connected with first force sensor 10 to go up between one end of drive rod 17 and the last connecting block 11, the other end of going up drive rod 17 is fixed with last anchor clamps 18, be fixed with down telescopic machanism 8 on the mounting panel 2 down, be fixed with lower connecting block 23 on the movable assembly of lower telescopic machanism 8, lower connecting block 23 is fixed with lower anchor clamps 20 corresponding with last anchor clamps 18 through lower drive rod 22, the top of operation panel 1 is fixed with positive mounting panel 5, it is fixed with horizontal telescopic machanism 4 and horizontal guide pin bushing 14 to correspond on the positive mounting panel 5, be fixed with horizontal connecting block 3 on the movable assembly of horizontal connecting block 4, sliding connection has horizontal transmission rod 9 on the horizontal tool guide pin bushing 14, the other end of horizontal tool holder 15 and the monitor 15, the other end is connected with the corresponding second force sensor 15 and the corresponding clamp holder 20, the horizontal tool holder 15, the monitor 6 is connected with the horizontal tool holder 18.

In a preferred embodiment: the upper telescopic mechanism 12, the lower telescopic mechanism 8 and the horizontal telescopic mechanism 4 all comprise electric telescopic rods 25, connecting blocks 24 are fixed at the end parts of piston rods of the electric telescopic rods 25, connecting plates 28 in sliding connection with the electric telescopic rods 25 are fixed on the connecting blocks 24, transmission is carried out through the electric telescopic rods 25, and the electric telescopic mechanism is simple in structure, small in duty and convenient to control; the connecting plate 28 and the electric telescopic rod 25 are in sliding connection through the matching of the linear guide rail 27 and the sliding block 26, so that the sliding stability is good; the monitor 6 is arranged at the front side of the positive mounting plate 5, and has reasonable structural layout and convenient observation and operation; the bottom of the upper clamp 18 and the top of the lower clamp 20 are respectively provided with an upper groove 29 and a lower groove 30, so that the structure is simple, and the sample can be conveniently placed and taken out.

When the device is used, firstly, the tire sample 19 to be detected is fixed through the upper clamp 18 and the lower clamp 20 during stretching detection, the upper stretching mechanism 12 and the lower stretching mechanism 8 act during stretching detection, namely, the upper clamp 18 and the lower clamp 20 are driven by the upper transmission rod 17 and the lower transmission rod 22 to continuously stretch the tire sample 19, and the first force sensor 10 is used for detecting the stress magnitude under different parameters such as deformation, stretching times and stretching speed and transmitting the stress magnitude to the monitor 6 for recording and storing; during the cutting detection, horizontal telescopic machanism 4 action, can drive cutter 21 through horizontal transfer line 9 and cut tire sample 19, second force transducer 7 is used for detecting the cutting force size under the different cutting rate, and transmit to monitor 6 and take notes the saving, through detecting tire sample 19's tensile force and cutting force, thereby the required energy of crackle emergence appears in quantitative detection tire sample 19, and with this fatigue resistance ability of evaluating tire sample 19, the fatigue resistance evaluation for tire sample 19 provides reliable standard.

Claims

1. The utility model provides a resistant crack initiation testing arrangement of tire which characterized in that: comprises an operating platform (1) and a monitor (6), an upper mounting plate (13) and a lower mounting plate (2) are fixed on one side of the operating platform (1), an upper telescopic mechanism (12) and an upper guide sleeve (16) are fixed on the upper mounting plate (13), an upper connecting block (11) is fixed on a movable component of the upper telescopic mechanism (12), an upper transmission rod (17) is connected on the upper guide sleeve (16) in a sliding manner, a first force sensor (10) is connected between one end of the upper transmission rod (17) and the upper connecting block (11), an upper clamp (18) is fixed at the other end of the upper transmission rod (17), a lower telescopic mechanism (8) is fixed on the lower mounting plate (2), a lower connecting block (23) is fixed on a movable component of the lower telescopic mechanism (8), a lower clamp (20) corresponding to the upper clamp (18) is fixed on the lower connecting block (23) through the lower transmission rod (22), a positive mounting plate (5) is fixed on the top of the operating platform (1), a horizontal telescopic mechanism (4) and a horizontal guide sleeve (14) are correspondingly fixed on the upper connecting block (4), a horizontal transmission rod (9) is connected between the upper telescopic mechanism (3) and a horizontal transmission rod (9), a cutter holder (15) is fixed at the other end of the horizontal transmission rod (9), a cutter (21) corresponding to the upper clamp (18) and the lower clamp (20) is installed on the cutter holder (15), and the first force sensor (10) and the second force sensor (7) are electrically connected with the monitor (6).

2. The tire crack initiation resistance testing device of claim 1, characterized in that: last telescopic machanism (12), lower telescopic machanism (8) and horizontal telescopic machanism (4) all include electric telescopic handle (25), electric telescopic handle (25)'s piston rod end portion is fixed with connecting block (24), be fixed with on connecting block (24) with electric telescopic handle (25) sliding connection's connecting plate (28).

3. The device of claim 2, wherein: the connecting plate (28) is in sliding connection with the electric telescopic rod (25) through the matching of the linear guide rail (27) and the sliding block (26).

4. The tire crack initiation resistance testing device of any one of claims 1 to 3, wherein: the monitor (6) is arranged on the front side of the positive mounting plate (5).

5. The apparatus for testing crack initiation resistance of a tire according to any one of claims 1 to 3, wherein: the bottom of the upper clamp (18) and the top of the lower clamp (20) are respectively provided with an upper groove (29) and a lower groove (30).