CN214894604U - Rubber film fatigue life test tool - Google Patents
Rubber film fatigue life test tool Download PDFInfo
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- CN214894604U CN214894604U CN202120032497.0U CN202120032497U CN214894604U CN 214894604 U CN214894604 U CN 214894604U CN 202120032497 U CN202120032497 U CN 202120032497U CN 214894604 U CN214894604 U CN 214894604U
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- spring
- shell
- rubber film
- spring plate
- oil inlet
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Abstract
The utility model discloses a rubber film fatigue life test tool, which comprises a left shell, a right shell and a displacement sensor, wherein the left shell and the right shell are connected through screws, and a rubber film is arranged between the left shell and the right shell; an oil inlet channel is formed in the right side of the right shell, an oil inlet nozzle is arranged at the right end of the oil inlet channel and connected with the pulse test bed, a first spring mounting cavity is formed in the center of the right shell, and the oil inlet channel is communicated with the first spring mounting cavity; a left spring plate and a right spring plate are arranged in the first spring mounting cavity, and a spring is arranged between the left spring plate and the right spring plate; the left shell is provided with a second spring installation cavity, a T-shaped spring plate is arranged in the second spring installation cavity, and a spring is arranged on the T-shaped spring plate and connected with the displacement sensor. The utility model discloses can simulate film in-service use operating mode, make the film produce two-way displacement, provide the detection means for the experimental examination of film fatigue life before dispatching from the factory, guarantee rubber film's reliability and stability effectively.
Description
Technical Field
The utility model belongs to rubber film manufacturing and designing field, concretely relates to rubber film fatigue life test frock.
Background
The rubber film for the oil drain valve of an airplane engine of a certain model moves up and down and plays a role in sealing in the starting and stopping processes of the engine by sensing the pressure difference between the inner side and the outer side of the oil drain valve.
A rubber film for an oil drain valve of an engine needs to simulate the actual use working condition before leaving a factory to carry out 3500 times of fatigue life test examination on the film, the rubber film needs to generate bidirectional displacement in the working process, and no ready-made tool exists at present, so that a tool which can be used for a fatigue life test of the rubber film needs to be developed urgently.
Disclosure of Invention
The utility model provides a rubber film fatigue life test frock solves the experimental examination problem of fatigue life before the rubber film dispatches from the factory, guarantees rubber film's reliability.
In order to achieve the above object, the present invention provides a technical solution:
a rubber film fatigue life test tool comprises a left shell, a right shell and a displacement sensor, wherein the left shell and the right shell are connected through screws, and a rubber film is arranged between the left shell and the right shell;
an oil inlet channel is formed in the right side of the right shell and used for pressurizing the rubber film, an oil inlet nozzle is arranged at the right end of the oil inlet channel and connected with the pulse test bed, a first spring installation cavity is formed in the center of the right shell, and the oil inlet channel is communicated with the first spring installation cavity; a left spring plate and a right spring plate are arranged in the first spring mounting cavity, a spring is arranged between the left spring plate and the right spring plate, the right spring plate plays a role of fixing the spring, and the left spring plate can generate displacement under the action of oil pressure and move into the left shell; the left shell is provided with a second spring installation cavity, the second spring installation cavity and the first spring installation cavity are equal in size and communicated, a T-shaped spring plate is arranged in the second spring installation cavity, the T-shaped spring plate is abutted to the left spring plate, a spring is arranged on the T-shaped spring plate, and the T-shaped spring plate penetrates through the spring to be connected with the displacement sensor.
Furthermore, a limiting table is arranged in the left shell.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model provides a rubber film fatigue life test frock can simulate film in-service use operating mode, makes the film produce two-way displacement, provides the detection means for the experimental examination of film fatigue life before dispatching from the factory for rubber film finished product test project before dispatching from the factory is more complete, can guarantee rubber film's reliability and stability effectively.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a main sectional view of the right housing of the present invention.
Fig. 3 is a main sectional view of the left housing of the present invention.
Fig. 4 is a main sectional view of the right spring plate of the present invention.
Fig. 5 is a main sectional view of the T-shaped spring plate of the present invention.
In the drawing, 1 is a left shell, 2 is a right shell, 3 is a displacement inductor, 4 is an oil inlet nozzle, 5 is a first spring installation cavity, 6 is a left spring plate, 7 is a right spring plate, 8 is a second spring installation cavity, 9 is a T-shaped spring plate, and 10 is a limiting table.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the rubber film fatigue life test tool comprises a left shell 1, a right shell 2 and a displacement sensor 3, wherein an oil inlet channel is formed in the top of the right shell 2 and used for pressurizing a rubber film, an oil inlet nozzle 4 is arranged at the right end of the oil inlet channel, the oil inlet nozzle 4 is connected with a pulse test bed, a first spring installation cavity 5 is formed in the right shell 2, the oil inlet channel is communicated with the first spring installation cavity 5, a spring is installed in the first spring installation cavity 5 through a left spring plate 6 and a right spring plate 7, the right spring plate 7 plays a role of fixing the spring, the left spring plate 6 generates displacement under the action of oil pressure and moves into the left shell 1; be equipped with second spring installation cavity 8 in the left side casing 1, the spring passes through T type spring board 9 to be installed in second spring installation cavity 8, and T type spring board 9 passes the spring and is connected with displacement inductor 3, and rubber film installs between left side casing 1 and right casing 2, and left side casing 1 and right casing 2 pass through the screw connection fixed.
The utility model discloses rubber film's fatigue life test step is as follows:
1) the rubber film fatigue life test tool is turned clockwise by 90 degrees and placed on the operating platform, and at the moment, the left shell is arranged on the upper portion, and the right shell is arranged on the lower portion.
2) And opening the left shell and the right shell, sequentially installing the right spring plate, the spring and the left spring plate in the right shell, and placing the rubber film on the left spring plate.
3) And pressing the T-shaped spring plate of the left shell on the rubber film, closing the left shell and the right shell, and fixing by using screws.
4) And connecting the oil nozzle of the right shell with an oil pipe of the pulse test bed, fixing the fatigue life test tool with a base of the pulse fatigue life test bed, pressurizing the rubber film, and performing a fatigue life test.
The above is the concrete embodiment of the present invention, but the structural features of the present invention are not limited thereto, the present invention can be used in similar products, and any person skilled in the art is in the field of the present invention, and the changes or modifications made are all covered in the patent scope of the present invention.
Claims (2)
1. The rubber film fatigue life test tool is characterized by comprising a left shell (1), a right shell (2) and a displacement sensor (3), wherein the left shell (1) is connected with the right shell (2) through a screw, and a rubber film is arranged between the left shell (1) and the right shell (2);
an oil inlet channel is formed in the right side of the right shell (2) and used for pressurizing the rubber film, an oil inlet nozzle (4) is arranged at the right end of the oil inlet channel, the oil inlet nozzle (4) is connected with a pulse test bed, a first spring installation cavity (5) is formed in the center of the right shell (2), and the oil inlet channel is communicated with the first spring installation cavity (5); a left spring plate (6) and a right spring plate (7) are arranged in the first spring mounting cavity (5), a spring is arranged between the left spring plate (6) and the right spring plate (7), the right spring plate (7) plays a role in fixing the spring, and the left spring plate can generate displacement under the action of oil pressure and move into the left shell (1); left side casing (1) is equipped with second spring mounting chamber (8), and big and the intercommunication such as second spring mounting chamber (8) and first spring mounting chamber (5) set up T type spring board (9) in second spring mounting chamber (8), and T type spring board (9) offset with left spring board (6), set up the spring on T type spring board (9), and T type spring board (9) pass the spring and are connected with displacement inductor (3).
2. The rubber film fatigue life test tool according to claim 1, wherein a limit table (10) is arranged in the left shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120032497.0U CN214894604U (en) | 2021-01-07 | 2021-01-07 | Rubber film fatigue life test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120032497.0U CN214894604U (en) | 2021-01-07 | 2021-01-07 | Rubber film fatigue life test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214894604U true CN214894604U (en) | 2021-11-26 |
Family
ID=78864092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120032497.0U Active CN214894604U (en) | 2021-01-07 | 2021-01-07 | Rubber film fatigue life test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214894604U (en) |
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2021
- 2021-01-07 CN CN202120032497.0U patent/CN214894604U/en active Active
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