CN220772555U

CN220772555U - Rubber fatigue test stand

Info

Publication number: CN220772555U
Application number: CN202322178516.2U
Authority: CN
Inventors: 黄万江; 黄裴; 邓均; 邓贵强; 黄凌
Original assignee: Chongqing Xintingyi Environmental Protection Technology Co ltd
Current assignee: Chongqing Xintingyi Environmental Protection Technology Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-04-12
Anticipated expiration: 2033-08-14

Abstract

The utility model discloses a rubber fatigue test bed, which comprises a base, wherein a fixed seat is arranged at one side of the top end of the base, a rotating handle is arranged at one side of the fixed seat, a threaded rod is arranged at one side of the rotating handle, a pressing block is connected with the other end of the threaded rod, and a fixed sleeve is arranged at one side of the fixed seat far away from the rotating handle; the combination of the handle, the threaded rod and the pressing block can be used for effectively positioning the rubber when the rubber is required to be detected and processed, so that the rubber can be prevented from falling off in the follow-up detection process, the follow-up detection is affected, the threaded rod can be rotated along with the rotation of the handle, and the threaded rod and the fixing sleeve form threaded connection, so that the pressing block can transversely move along with the threaded rod when the threaded rod rotates, and then the pressing block is used for limiting the rubber.

Description

Rubber fatigue test stand

Technical Field

The utility model relates to the field of rubber fatigue test tables, in particular to a rubber fatigue test table.

Background

Rubber seals are widely used sealing members for mechanical equipment, vehicles, and household products, and play an important role in daily life and work of people. The rubber seals are used in a wide variety of environments, but most of the damage forms are friction, flexing and vibration; in the above process, the damping performance of the rubber sealing member has a damping effect, but the damping performance inevitably generates intramolecular friction heat generation, so that the rubber sealing member is aged, the service life of the rubber sealing member is influenced, and the sealing effect is finally influenced. Therefore, the flexor for the rubber seal fatigue test stand is an important tool for researching the service life of the shock absorption block;

according to the rubber sealing member fatigue test stand disclosed by the utility model with the authority of CN210774692U, the outer diameter of the test piece is regulated, so that the friction fatigue test can be carried out on the side wall and the inner wall of rubber sealing rings of different types, the practicability is good, the operation is simple, most of the existing rubber fatigue test stands only carry out simple positioning treatment on two ends of rubber when detecting the rubber, for example, one end of the rubber is positioned by combining a spring with a pressing plate, however, the positioning mode has poor positioning effect, the two ends of the rubber are easy to fall off in the follow-up detection process, and the follow-up normal detection of the rubber fatigue degree is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the rubber fatigue test stand which can solve the technical problems that the existing rubber fatigue test stand can carry out frictional fatigue test on the side wall and the inner wall of rubber sealing rings of different types by adjusting the outer diameter of a test piece, has good practicability and is simple to operate, and most of the existing rubber fatigue test stands only carry out simple positioning treatment on two ends of rubber when detecting the rubber, for example, one end of the rubber is positioned by combining a spring with a pressing plate, however, the positioning mode has poor positioning effect, and the two ends of the rubber are easy to fall off in the subsequent detection process, so that the subsequent normal detection of the rubber fatigue degree is influenced.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a rubber fatigue test stand, includes the base, the fixing base is installed on top one side of base, just one side of fixing base is equipped with the commentaries on classics handle, the threaded rod is installed to one side of commentaries on classics handle, just the other end of threaded rod is connected with the briquetting, the fixing base is kept away from one side of commentaries on classics handle is installed fixed cover, just the one end inboard of fixed cover runs through there is the horizontal pole, the surface cover of horizontal pole is equipped with the guide block, just one side of guide block is connected with first spring, the clamp plate is installed on the top of guide block, the middle section top of base distributes and draws a section of thick bamboo, just the one end inboard of drawing a section of thick bamboo is equipped with limit structure.

As a preferable technical scheme of the utility model, the limiting structure comprises a pull rod, a positioning inserting rod, a limiting sliding plate and a second spring, wherein the pull rod is fixedly arranged on the inner side of one end of the pull cylinder, the positioning inserting rod penetrates through the top of one end of the pull cylinder, the outer surface of the positioning inserting rod is sleeved with the limiting sliding plate, and the bottom of the limiting sliding plate is connected with the second spring.

As a preferable technical scheme of the utility model, the bottom of the pull cylinder is connected with a sliding block, and one side of the sliding block is connected with a third spring.

As a preferable technical scheme of the utility model, a side plate is arranged at the top end of the other side of the base, a motor is arranged on the front surface of the side plate, the output end of the motor is connected with a rotating wheel, the front end of one side of the rotating wheel is connected with a connecting rod, and the other end of the connecting rod is connected with a connecting lug.

As a preferable technical scheme of the utility model, the pressing plates are in sliding connection with the cross rod through the guide blocks, and the pressing plates are symmetrically distributed along the transverse center line of the fixing sleeve.

As a preferable technical scheme of the utility model, the connecting rod is rotationally connected with the pull cylinder through the connecting lug, and the other end of the connecting rod is rotationally connected with the rotating wheel.

Compared with the prior art, the utility model has the following beneficial effects:

1. the rubber can be effectively positioned when the detection treatment is needed by utilizing the combination of the rotating handle, the threaded rod and the pressing block, so that the situation that the rubber falls off in the subsequent detection process can be prevented, the normal operation of the subsequent detection is affected, the threaded rod can be rotated along with the rotation of the rotating handle, and the threaded rod and the fixed sleeve form threaded connection, so that the pressing block can transversely move along with the threaded rod when the threaded rod rotates, and then the pressing block is utilized to limit the rubber;

2. the combined use between location inserted bar, spacing slide and the second spring that utilizes the setting can carry out the location to the other end of rubber and handle, prevents that the other end of rubber from coming off in subsequent testing process, when the surface of pull rod is located to the rubber cover, loosens the pulling force of exerting the location inserted bar, then can drive spacing slide and carry out longitudinal movement under the reverse effort that second spring deformation produced to this realizes the longitudinal movement of location inserted bar, and then can combine the location inserted bar that bilateral symmetry set up to carry out the location to the position of rubber and handle, ensures its self stability.

Drawings

FIG. 1 is a schematic diagram of a rubber fatigue test stand according to the present utility model;

FIG. 2 is an enlarged schematic view of the rubber fatigue test stand of the present utility model at A in FIG. 1;

FIG. 3 is a schematic diagram of a section structure of a pull cylinder part of the rubber fatigue test stand;

FIG. 4 is a schematic drawing of a three-dimensional structure of a pull tube of the rubber fatigue test stand of the utility model;

wherein: 1. a base; 2. a fixing seat; 3. a rotating handle; 4. a threaded rod; 5. briquetting; 6. a fixed sleeve; 7. a cross bar; 8. a guide block; 9. a first spring; 10. a pressing plate; 11. pulling a barrel; 12. a pull rod; 13. positioning the inserted link; 14. a limit sliding plate; 15. a second spring; 16. a slide block; 17. a third spring; 18. a side plate; 19. a motor; 20. a rotating wheel; 21. a connecting rod; 22. and a connecting lug.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Examples

Referring to fig. 1 and 4, the utility model provides a rubber fatigue test stand, which comprises a base 1, a fixing seat 2 is installed at one side of the top end of the base 1, a rotating handle 3 is arranged at one side of the fixing seat 2, a threaded rod 4 is installed at one side of the rotating handle 3, a pressing block 5 is connected at the other end of the threaded rod 4, a fixing sleeve 6 is installed at one side of the fixing seat 2 far away from the rotating handle 3, a cross rod 7 penetrates through the inner side of one end of the fixing sleeve 6, a guide block 8 is sleeved on the outer surface of the cross rod 7, one side of the guide block 8 is connected with a first spring 9, a pressing plate 10 is installed at the top end of the guide block 8, a pull cylinder 11 is distributed at the top of the middle section of the base 1, a limit structure is arranged at the inner side of one end of the pull cylinder 11, a sliding block 16 is connected at the bottom of the pull cylinder 11, a third spring 17 is connected at one side of the sliding block 16, a side plate 18 is installed at the top end of the other side of the base 1, a motor 19 is installed at the front surface of the side plate 18, a rotating wheel 20 is connected with a connecting rod 21 at the front end of the rotating wheel 20, the connecting rod 21 is rotationally connected with the pull cylinder 11 through a connecting lug 22, the other end of the connecting rod 21 is rotationally connected with the pull cylinder 21, and the connecting lug 22 is rotationally connected with the connecting rod 21 at the other end of the rotating lug 21;

after the position of rubber is fixed, the rotating wheel 20 is rotated along with the rubber by utilizing the operation of the motor 19, the front surface of the rotating wheel is pulled to rotate under the rotation action of the rotating wheel 20 to be connected with the connecting rod 21, the pull cylinder 11 connected with the other end of the connecting rod is pulled through the connecting lug 22 under the action of the connecting rod 21, so that the transverse movement of the pull cylinder 11 is realized, the subsequent fatigue test treatment on the rubber is facilitated, the sliding block 16 arranged at the bottom of the pull cylinder 11 is driven to transversely move along with the rubber when the pull cylinder 11 transversely moves, the stability of the pull cylinder 11 in the transverse movement process is improved by combining the movement of the sliding block 16, the sliding block 16 extrudes the third spring 17 and deforms the third spring 17, and the transverse reciprocating movement of the pull cylinder 11 can be assisted by combining the reverse acting force generated by the deformation of the third spring 17;

as a further implementation manner of this embodiment, as shown in fig. 1, 2 and 3, a fixing seat 2 is installed on one side of the top end of a base 1, a rotating handle 3 is arranged on one side of the fixing seat 2, a threaded rod 4 is installed on one side of the rotating handle 3, a pressing block 5 is connected to the other end of the threaded rod 4, the threaded rod 4 is in threaded connection with a fixing sleeve 6, a fixing sleeve 6 is installed on one side of the fixing seat 2 far away from the rotating handle 3, a cross rod 7 penetrates through the inner side of one end of the fixing sleeve 6, a guide block 8 is sleeved on the outer surface of the cross rod 7, a first spring 9 is connected to one side of the guide block 8, a pressing plate 10 is installed on the top end of the guide block 8, the pressing plate 10 and the cross rod 7 form sliding connection through the guide block 8, the pressing plate 10 is symmetrically distributed along the transverse center line of the fixing sleeve 6, a pull cylinder 11 is distributed on the top of the middle section of the base 1, a limiting structure is arranged on the inner side of one end of the pull cylinder 11, the limiting structure comprises a pull rod 12, a positioning rod 13, a limiting slide plate 14 and a second spring 15, the positioning insert 13 is fixedly installed on the inner side of one end of the pull cylinder 11, one end of the pull rod 11 penetrates through the positioning insert 13, and the outer surface of the positioning insert 13 is provided with the first spring 14, and the limiting slide plate 14 is connected to the bottom of the second slide plate 14;

when one end of rubber is sleeved on one side of the pressing block 5, the rotating handle 3 is rotated, the rotating handle 3 is utilized to enable the threaded rod 4 to rotate along with the threaded rod 4, then the threaded rod 4 drives the pressing block 5 to move along with the threaded rod 5, the pressing block 5 is utilized to compress one end of the rubber, meanwhile, the transverse acting force applied to the pressing plate 10 is released, the guide block 8 extrudes a first spring 9 connected with one side along the cross rod 7 due to the fact that the pressing plate 10 transversely moves, the first spring 9 deforms along with the first spring, the pressing plate 10 can be transversely reset by combining the reverse acting force generated by the deformation of the first spring 9, the subsequent better compressing and limiting treatment is facilitated, meanwhile, the other end of the rubber is sleeved on the outer surface of the pull rod 12, then the pulling force applied to the positioning insert rod 13 is released, the limiting slide plate 14 is driven to longitudinally move due to the longitudinal movement of the positioning insert rod 13, meanwhile, the second spring 15 is longitudinally pulled by the limiting slide plate 14, and the deformation is enabled to be caused along with the deformation, the reverse acting force generated by the second spring 15, the positioning insert rod 13 on the other ends of the rubber can be subjected to the positioning insert limiting treatment in the process, and the two ends of the rubber in the process of stability in the subsequent detection process;

the specific working principle is as follows:

when one end of rubber is sleeved on one side of the pressing block 5, the rotating handle 3 is utilized to enable the threaded rod 4 to rotate along with the threaded rod, then the threaded rod 4 drives the pressing block 5 to move along with the threaded rod, one end of rubber is pressed and limited by the pressing block 5, meanwhile, the transverse acting force applied to the pressing plate 10 is released, the guide block 8 presses the first spring 9 connected with one side along the cross rod 7 when the pressing plate 10 moves transversely, the first spring 9 deforms along with the first spring, the pressing plate 10 can be reset transversely by combining the reverse acting force generated by the deformation of the first spring 9, the subsequent better pressing and limiting treatment is facilitated, meanwhile, the other end of rubber is sleeved on the outer surface of the pull rod 12, and then the pulling force applied to the positioning inserting rod 13 is released, and the limiting sliding plate 14 is driven to move longitudinally when the positioning inserting rod 13 moves longitudinally, simultaneously, the limiting slide plate 14 longitudinally pulls the second spring 15 and deforms the second spring along with the second spring, the positioning inserting rods 13 on two sides can be used for carrying out inserting limiting treatment on the other end of the rubber by combining the reverse acting force generated by the deformation of the second spring 15, the stability of the two ends of the rubber in the subsequent detection process is ensured, after the positions of the two ends of the rubber are fixed, the rotating wheel 20 is utilized to pull the connecting rod 21, the connecting rod 21 is utilized to pull the pull cylinder 11 through the connecting lug 22, the transverse movement of the pull cylinder 11 is realized, the sliding block 16 arranged at the bottom of the pull cylinder 11 is driven to carry out the transverse movement along with the transverse movement, the stability of the pull cylinder 11 in the transverse movement process is improved by combining the movement of the sliding block 16, the sliding block 16 extrudes the third spring 17 and deforms the third spring 17, the pulling cylinder 11 can be assisted to transversely reciprocate by combining the reverse acting force generated by the deformation of the third spring 17.

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 above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rubber fatigue test platform, includes base (1), its characterized in that: fixing base (2) are installed on top one side of base (1), just one side of fixing base (2) is equipped with changes handle (3), threaded rod (4) are installed to one side of changeing handle (3), just the other end of threaded rod (4) is connected with briquetting (5), fixing cover (6) are installed to one side of changeing handle (3) is kept away from to fixing base (2), just the one end inboard of fixing cover (6) is run through there is horizontal pole (7), the surface cover of horizontal pole (7) is equipped with guide block (8), just one side of guide block (8) is connected with first spring (9), clamp plate (10) are installed on the top of guide block (8), the middle section top of base (1) distributes and has a section of drawing (11), just the one end inboard of drawing (11) is equipped with limit structure.

2. The rubber fatigue test stand according to claim 1, wherein: the limiting structure comprises a pull rod (12), a positioning inserting rod (13), a limiting sliding plate (14) and a second spring (15), wherein the pull rod (12) is fixedly installed on the inner side of one end of the pull cylinder (11), the positioning inserting rod (13) penetrates through the top of one end of the pull cylinder (11), the limiting sliding plate (14) is sleeved on the outer surface of the positioning inserting rod (13), and the second spring (15) is connected to the bottom of the limiting sliding plate (14).

3. The rubber fatigue test stand according to claim 1, wherein: the bottom of the pull cylinder (11) is connected with a sliding block (16), and one side of the sliding block (16) is connected with a third spring (17).

4. The rubber fatigue test stand according to claim 1, wherein: the novel electric power steering device is characterized in that a side plate (18) is arranged at the top end of the other side of the base (1), a motor (19) is arranged on the front surface of the side plate (18), the output end of the motor (19) is connected with a rotating wheel (20), the front end of one side of the rotating wheel (20) is connected with a connecting rod (21), and the other end of the connecting rod (21) is connected with a connecting lug (22).

5. The rubber fatigue test stand according to claim 1, wherein: the pressing plates (10) are in sliding connection with the cross bars (7) through the guide blocks (8), and the pressing plates (10) are symmetrically distributed along the transverse center line of the fixed sleeve (6).

6. The rubber fatigue test stand according to claim 4, wherein: the connecting rod (21) is rotationally connected with the pull cylinder (11) through the connecting lug (22), and the other end of the connecting rod (21) is rotationally connected with the rotating wheel (20).