An electromagnetic active vibration isolation device
An active vibration isolation and electromagnetic technology, applied in the direction of shock absorbers, magnetic springs, spring/shock absorber design features, etc., can solve the problems of large overall mass, no application, complex structure, etc., and achieve light weight, not easy to fail, highly reliable effect
Active Publication Date: 2022-05-03
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1
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However, LVIS has a complex structure and a large overall mass, so although the ground experiment effect is good, it still has not been applied to actual launch
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[0036] In order to make the object, technical solution and effect of the present invention clearer and clearer, the following examples are given to further describe the present invention in detail. It should be pointed out that the specific implementations described here are only used to explain the present invention, not to limit the present invention.
[0037] Such as figure 1 As shown, the present invention is an electromagnetic buffer vibration isolator that can realize the active vibration isolation function.
[0038] Such as figure 2 As shown, the outer cylinder assembly 1 includes an outer cylinder lower end cover 11 , an outer cylinder 12 , a high stiffness compression spring 13 , a high stiffness tension spring 14 , an outer cylinder upper end cover 15 and a guide rod 16 . The inner cylinder assembly 2 includes an inner cylinder upper end cover 21 , an inner cylinder 22 and an inner cylinder lower end cover 23 . The electromagnetic assembly 3 includes an excitatio...
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The invention discloses an electromagnetic active vibration isolation device, which belongs to the technical field of passive vibration isolation in the field of mechanical vibration. The electromagnetic buffer vibration isolator of the invention includes an outer cylinder component and an inner cylinder component nested and combined; There are electromagnetic components; the lower surface of the inner side of the outer cylinder component is provided with a balance position adjustment component. The present invention utilizes the force with a phase difference of 180° between the active output and the vibration source to perform vibration isolation. The vibration of the frequency is isolated; the vibration isolator of the present invention can carry out complete active control, which makes up for the deficiency that the existing vibration isolation and buffer field mainly relies on passive and semi-active control, and can actively output force instead of changing the vibration isolation system itself Vibration isolation by means of physical properties provides a new idea for vibration isolation methods.
Description
technical field [0001] The invention belongs to the technical field of passive vibration isolation in the field of mechanical vibration, and specifically refers to an electromagnetic buffer vibration isolator capable of realizing an active vibration isolation function. Background technique [0002] First of all, in space launch missions, vibration reduction for satellites and other loads is an important part, and the quality of vibration reduction determines the integrity of the load. [0003] Secondly, NASA's investigation into the causes of satellite launch failures shows that 41% of satellite launch failures can be attributed to excessive vibration and noise excitation during the launch process, and another 25% of satellite damage events cannot be ruled out. Caused by vibration loads during the launch phase. It can be seen that the vibration environment during the satellite launch phase is very harsh, and the vibration load is the main cause of satellite damage. Therefo...
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IPC IPC(8): F16F6/00
CPCF16F6/00F16F2222/06F16F2230/18F16F2234/02
Inventor 贾山高翔宇唐明章陈金宝黄伟胡汝洁刘畅
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS