Bidirectional shear type magneto-rheological grease damper
A magneto-rheological grease and two-way shearing technology, applied in shock absorbers, shock absorbers, springs/shock absorbers, etc., can solve problems such as performance degradation, achieve easy maintenance, improve sealing, and avoid settlement problems Effect
Pending Publication Date: 2018-09-18
GUANGZHOU UNIVERSITY
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Problems solved by technology
[0004] The purpose of the present invention is to solve the problem of performance degradation caused by the magnetic particle settlement of the magnetorheological fluid damper in the above-mentioned prior art, and propose a bidirectional shear type magnetorheological grease damper, which can effectively resist settlement and improve stability sex
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[0028] In order to make the object, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0029] refer to Figure 1-Figure 3 , this embodiment provides a two-way shear type magneto-rheological grease damper, including an upper damping cover 101, a lower damping cover 102 and at least one shear plate assembly;
[0030] The shear plate assembly includes a shear plate 103, a first draw bar, a second draw bar, a first bar 104 and a second bar 105, and the first draw bar includes a first draw part 106 and a third bar 107 , the second traction rod includes a second traction part 108 and a fourth rod 109, the first traction part 106 is vertically fixedly connected with one end of the t...
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The invention provides a bidirectional shear type magneto-rheological grease damper which comprises an upper damping cover, a lower damping cover and at least one shear plate assembly, wherein the shear plate assembly comprises a shear plate, a first draw bar, a second draw bar, a first rod piece and a second rod piece; the shear plate is a cuboid structure; concave slideways are arranged on fourside faces of the shear plate; the shear plate is positioned in a confined space formed by the upper damping cover and the lower damping cover; traction holes are formed in four side faces of the upper damping cover and the lower damping cover; the first rod piece, the second rod piece, a third rod piece and a fourth rod piece can slide in the traction holes; and the confined space is filled withmagneto-rheological grease. With adoption of magneto-rheological grease, the sedimentation problem is effectively avoided and the damper can provide bidirectional damping force to meet the actual demand.
Description
technical field [0001] The invention relates to the technical field of dampers, in particular to a bidirectional shear type magneto-rheological grease damper. Background technique [0002] Due to its low energy consumption and good control effect, magnetorheological fluid dampers have become one of the research hotspots in structural vibration control in recent years. The magneto-rheological fluid damper is a device with controllable damping force, and the adjustment of its damping force is realized by changing the current of the exciting coil and then changing the magnetic field. The magnetorheological fluid is made by mixing the matrix, magnetic particles and other additives. Under the action of the magnetic field, the magnetic particles form a chain structure, thereby changing the flow characteristics of the magnetorheological fluid, thereby changing the magnitude of the damping force, and this change It is continuous and reversible, and has very broad application prospe...
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IPC IPC(8): F16F9/53F16F9/32
CPCF16F9/3207F16F9/535F16F2222/12
Inventor 龚微谭平郑鑫城陈洋洋龙耀球
Owner GUANGZHOU UNIVERSITY