Spherical hinge type back frame vibration isolator with adjustable damping
A vibration isolator and damping technology, which is applied in the direction of shock absorbers, shock absorbers, springs/shock absorbers, etc., can solve the problem that the horizontal stiffness cannot meet the requirements of vibration isolation and buffering at the same time, and the locking of the elastic damping vibration-absorbing parts and the central shaft And other issues
Active Publication Date: 2014-05-21
南京捷诺环境技术有限公司
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Problems solved by technology
During the vibration process of the existing back frame vibration isolator, the thermal expansion and contraction due to heat will cause the elastic damping vibration-absorbing component to lock up with the central axis; and its horizontal stiffness cannot meet the requirements of vibration isolation and buffering at the same time. Require
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[0013] The present invention will be further described below in conjunction with accompanying drawing.
[0014] The structure of the present invention is as figure 1 As shown, it includes a trough-shaped support 1, a central shaft 12 is connected with a screw 16 in the trough-shaped support 1, and the middle part of the central shaft 12 is covered with an elastic damping and vibration-isolating part with the central shaft 12 as the axis. It is characterized in that: the elastic The damping and vibration isolation components include a sliding sleeve 4 sleeved on the outer edge of the central shaft 12 and an adjusting sleeve 2 connected to the sliding sleeve 4 through threads, which form a damping adjustment assembly; both ends of the damping adjustment assembly have stepped surfaces, and between the two stepped surfaces Spherical sliding piece 5, sliding piece 6 and connecting sleeve 10 with slip rings 8 embedded in both ends are sequentially set in the middle from the step sur...
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The invention provides a spherical hinge type back frame vibration isolator with adjustable damping. The spherical hinge type back frame vibration isolator comprises a groove-shaped support and a center shaft, the middle of the center shaft is sleeved with an elastic damping vibration isolating component with the center shaft as an axis, the elastic damping vibration isolating component comprises a sliding sleeve and an adjusting sleeve, the outer edge of the center shaft is sleeved with the sliding sleeve, the adjusting sleeve is connected with the sliding sleeve through threads, and a damping adjusting assembly is composed of the sliding sleeve and the adjusting sleeve. The two ends of the damping adjusting assembly are provided with step faces, spherical sliding sheets, sliding sheets and connecting sleeves are sequentially arranged between the two step faces from the step faces inwards in a sleeved mode, sliding rings are embedded at the two ends of the connecting sleeves, and a spherical hinge damping assembly is composed of the spherical sliding sheets, the sliding sheets and the connecting sleeves. Connecting screws are installed in the connecting sleeves in the spherical hinge damping assembly, two conic springs are arranged between the connecting sleeves and the adjusting sleeve, and an elastic assembly is composed of the conic springs, the connecting sleeves, the adjusting sleeve, the sliding sleeve and the center shaft. According to the spherical hinge type back frame vibration isolator, the adaptive requirement of the back frame vibration isolator in a low-coupling vibration isolating system are met, the elastic damping vibration isolating component can freely slide up and down along the center shaft, the performance stability is high, and the horizontal rigidity and the damping are conveniently adjusted.
Description
technical field [0001] The invention relates to the field of vibration isolation devices for electronic equipment, in particular to a damping adjustable ball hinge type back frame vibration isolator. Background technique [0002] With the development of modern military equipment technology, the environment in which electronic equipment is located is becoming more and more severe. In order to make electronic equipment work normally, higher requirements are put forward for the vibration isolation system to protect electronic equipment. [0003] When the electronic equipment is working on the vehicle (vehicle, ship, aircraft), the vertical vibration shock excitation of the carrier is borne by the bottom vibration isolator in the vibration isolation system; when the electronic equipment is excited by horizontal vibration shock and centrifugal acceleration, etc., The back frame vibration isolator can play the role of vibration isolation and buffer for the equipment and improv...
Claims
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Inventor 季馨孙俊季凡渝
Owner 南京捷诺环境技术有限公司