A Highly Reliable Combined Shock Absorber
A combined, shock absorber technology, applied in the direction of shock absorbers, springs/shock absorbers, shock absorbers, etc., can solve the problem of insufficient reliability and unsatisfactory reliability of the connection between metal limit gaskets and limit bushings. Use requirements, inability to meet installation torque requirements, etc., to achieve the effect of meeting installation and reliability requirements for large-scale dynamic load resistance, eliminating relative displacement, and structural optimization
Active Publication Date: 2018-10-19
AEROSPACE RES INST OF MATERIAL & PROCESSING TECH +1
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Problems solved by technology
[0004] When a damper for electronic equipment is subjected to dynamic loads such as large-scale vibration and impact, there is a problem of tearing of the damping pad, and the reliability cannot meet the requirements of use; under the condition of limited design space, the installation reliability is not enough to meet the installation requirements. Torque requirements; and insufficient connection reliability of metal spacers and spacer bushings
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[0029] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0030] Such as Figure 1a Shown is the front view of the structure of the high-reliability combined shock absorber, such as Figure 1b Shown is a top view of the structure of the high-reliability combined shock absorber. It can be seen from the figure that a high-reliability combined shock absorber includes a composite damping plate 1 and a rubber damper 2; multiple rubber dampers 2 are symmetrically fixed and installed on the composite damper The plate 1 is generally fixedly installed near the top corner of the composite damping plate 1 to achieve balanced shock absorption for the composite damping plate 1; the composite damping plate 1 is fixedly installed on the outer wall of the external device.
[0031] Such as figure 2 Shown is a schematic diagram of the structure of the composite damping plate. It can be seen from the figure that the co...
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The invention discloses a high-reliability combined type shock absorber and relates to the technical field of rubber vibration isolators. Vibration reduction is conducted through energy absorption and energy transfer, high-frequency vibration can be isolated, damp in a damp material is used for absorbing part of energy, and the rest of the energy is transferred to a low-frequency section. Damp pads are arranged at the two ends of a damp element of the shock absorber, and a damp pillar is arranged in the middle portion of the damp absorber. A damp pillar bonding aluminum sleeve is designed and is connected with a composite damp board through low-temperature riveting, relative displacement and shear between the damp pillar and an installing and connecting part are eliminated, and the reliability of a damper is greatly improved. Certain taper is designed for a metal limiting gasket of the shock absorber, load bearing of the root portion of an expansion section of a limiting lining is relieved, expansion connection is conducted through an expansion rod, and therefore it is ensured that the integral tight-connection degree is maintained for the shock absorber. The designed combined type shock absorber meets the requirement for resisting large-order dynamic loads and has high reliability, resonance magnification times and high-frequency vibration of equipment are well controlled, and the good buffering performance is also achieved.
Description
technical field [0001] The invention relates to the technical field of rubber vibration isolators, in particular to a highly reliable combined shock absorber. Background technique [0002] The damping and vibration reduction technology based on viscoelastic damping materials has been widely used in the vibration control and noise control of various rockets, missiles, satellites, military and civil aircraft, ships and vehicles, instruments and meters, navigation equipment and electronic systems. It has become one of the essential key technologies in aerospace engineering. [0003] Rubber shock absorbers are widely used because of their simple manufacturing process, convenient and effective use, and certain cushioning effects. Typical structural forms of rubber shock absorbers for electronic equipment include T-shaped shock absorber structures and metal-rubber composite shock absorber structures. [0004] When a damper for electronic equipment is subjected to dynamic loads s...
Claims
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IPC IPC(8): F16F7/108
CPCF16F7/108F16F2222/08
Inventor 王建月李诗成李晓颜王姝瑛许捷赵云峰
Owner AEROSPACE RES INST OF MATERIAL & PROCESSING TECH