A new type of air spring with self-adaptive adjustment of two-stage stiffness
An adaptive adjustment, air spring technology, applied in the direction of spring, spring/shock absorber, gas shock absorber, etc., can solve the problems of single stiffness and damping characteristics, unsatisfactory characteristic curve, limited application effect, etc., to solve the problem of stiffness and damping characteristics are single, the stiffness characteristics are adaptive and adjustable, and the stiffness characteristics are flexible and changeable.
Active Publication Date: 2018-09-25
SOUTHWEST JIAOTONG UNIV
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Problems solved by technology
However, the load-deflection curve of the traditional air spring presents an inverse "S" shape, which has a linear stiffness characteristic in the normal operating range, and has a stiff spring's nonlinear stiffness characteristic in the stretched or compressed edge region. On the other hand, Once an air spring is designed, its stiffness and damping characteristics are difficult to adjust
Due to the shortcomings of traditional air springs such as single stiffness and damping characteristics, unsatisfactory characteristic curves, and limited application effects, the application range of air springs is limited.
Method used
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Embodiment Construction
[0019] The present invention will be further described below in conjunction with the drawings and specific embodiments:
[0020] Such as figure 1 As shown, the present invention provides a new type of air spring with two-stage stiffness adaptive adjustment, including an additional air chamber 4 and its limiting block two 18, an air spring cover plate 5, a rubber airbag 11 and its limiting block one 7, Support base 8, intake valve 13, intake valve pressure regulating mechanism, exhaust valve 16, exhaust valve pressure regulating mechanism.
[0021] Among them, the support base 8, the rubber airbag 11, the air spring cover plate 5, and the additional air chamber 4 are arranged from bottom to top in order. The upper end of the rubber airbag 11 is connected with the air spring cover plate 5, and the lower end of the rubber airbag 11 is connected to the support base 8. The top edge of the connection. The lower end of the additional air chamber 4 is connected with the air spring cover 5...
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The invention discloses a novel air spring for two-grade rigidity self-adaptive adjustment. The novel air spring comprises a support base, a rubber airbag, an air spring cover plate and an additional air chamber, and further comprises a limiting block 1 and a limiting block 2 respectively arranged at the top of the support base and the inner surface of the top of the additional air chamber, an intake valve pressure adjusting mechanism and an exhaust valve pressure adjusting mechanism; an intake valve throttling hole and an exhaust valve throttling hole are formed in the air spring cover plate; and the intake valve pressure adjusting mechanism and the exhaust valve pressure adjusting mechanism are arranged below the intake valve throttling hole and above the exhaust valve throttling hole. The novel air spring is simple and small in structure, uses the intake valve and the pressure adjusting mechanism thereof, the intake and exhaust valve throttling holes and the additional air chamber for preferably solving the problems of single rigidity and damping characteristics, weak characteristic curves and limited application effects of a traditional air spring, and can achieve an ideal effect in various application places.
Description
Technical field [0001] The invention belongs to the technical field of air springs, and specifically relates to a novel air spring with two-stage stiffness adaptive adjustment. Background technique [0002] Air spring is a kind of non-metal spring that uses the compressible properties of air to achieve elasticity, and has functions such as buffering, shock absorption and actuation. When the air spring is elastically deformed, the air spring uses the sum of the supporting reaction force of the internal compressed gas and the reaction force generated by the change of the effective pressure bearing area of the airbag to provide the elastic force. [0003] The elastic medium of the air spring is a compressible gas, and its stiffness and damping characteristics can be designed according to application requirements. However, the load-deflection curve of a traditional air spring presents a reverse "S" shape, which has a linear stiffness characteristic in the normal working range, and h...
Claims
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IPC IPC(8): F16F9/04F16F9/34
CPCF16F9/049F16F9/34F16F2222/126
Inventor 刘伟群阮海斌刘丛志岳俊洲祝乔胡广地
Owner SOUTHWEST JIAOTONG UNIV