Magnetic cutting damping device
A vibration damping device and magnetic force technology, applied in springs/shock absorbers, vibration suppression adjustment, non-rotational vibration suppression, etc., can solve the problems of high cost, high noise, and difficult maintenance of vibration damping devices, and achieve simple installation and cost. low effect
Pending Publication Date: 2021-01-08
NANJING FORESTRY UNIV
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Problems solved by technology
[0006] The purpose of the present invention is to provide a magnetic cutting vibration damping device, which is used to solve the problems of high cost, high noise, complicated production process, difficult maintenance and poor vibration damping effect of commonly used vibration damping devices.
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[0027] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative breakthroughs fall within the protection scope of the present invention.
[0028] Such as image 3 , 5 , 6, the rectangular sheet 8 is symmetrically welded on the bottom plate of the base 6, and the two ends of the rotating shaft 10 between the rectangular sheet 8 and the inner wall of the base 6. Such as Figure 6 , is the B-B section of the device, and the fan blade 5 is fixed at the middle position of the drive shaft 7 . Such as image 3 , 5 , two rings 11 are respectively fixed on the outer wall of the transmission shaft. Such as figure 1 It is a f...
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The invention discloses a magnetic cutting damping device which comprises a bearing table, a bearing table bottom gear, a gear ring, a permanent magnet, fan blades, a base, a transmission shaft, a rectangular sheet, a self-resetting spring, a rotating shaft and a circular ring. The damping purpose is achieved by cutting magnetic induction lines to generate damping force. An instrument is placed ona top plate of the bearing table, when the instrument jolts and vibrates, a transmission shaft is driven to rotate through a gear at the bottom of the bearing table, the fan blades fixed to the transmission shaft are in a closed loop of a magnetic field and cut the magnetic induction lines along with rotation of the transmission shaft, thus rotation of the fan blades is hindered, and damping of the instrument is achieved. The magnetic cutting damping device is easy to manufacture, long in service life and good in anti-vibration effect, all components are easy to disassemble, assemble and replace, the service life of the magnetic cutting damping device can be prolonged, the risk that the magnetic cutting damping device loses efficacy due to local damage is reduced, and the anti-vibration and vibration reduction requirements under various complex environments can be met.
Description
technical field [0001] The invention relates to the field of vibration reduction of instruments and equipment, in particular to a magnetic cutting vibration reduction device. Background technique [0002] At present, the more commonly used methods of vibration reduction for instruments and equipment are pneumatic vibration reduction, hydraulic vibration reduction, mechanical vibration reduction, and their combinations. However, the air pressure damping device and the hydraulic damping device have high maintenance costs, complex structures, and are not suitable for small instruments and equipment. In addition, changes in the surrounding environment can easily weaken its anti-vibration effect. The mechanical vibration damping device is easy to wear due to vibration during use, and its service life is often short, the noise is large, and its vibration damping ability is weak. [0003] Patent No. ZL 200520091909.9 discloses a new type of magnetic shock absorber, which uses a s...
Claims
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IPC IPC(8): F16F15/02
CPCF16F15/035
Inventor 苏毅许中原施镐
Owner NANJING FORESTRY UNIV