Strength magnetic glue clutch
A technology of clutches and magnetic glue, applied in the field of clutches, can solve the problems of low manufacturing and use costs, achieve the effects of simple and compact structure, save maintenance costs, and facilitate assembly and disassembly
Inactive Publication Date: 2010-06-02
CHONGQING UNIV
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Problems solved by technology
[0007] In view of this, the object of the present invention is to provide a powerful magnetic rubber clutch, which has all the advantages of magnetic powder brakes, does not have the problems of existing magnetic powder brakes during use, and does not have precipitation and leakage problems, and has low manufacturing and use costs
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[0018] figure 1 It is a schematic diagram of a radial cross-sectional structure of the present invention, figure 2 for figure 1 A sectional view along the direction of A-A, as shown in the figure: the strong magnetic rubber clutch of this embodiment includes a casing 4 and a drive shaft 1 and a driven shaft 2 that are coaxially arranged and respectively rotatably matched with the casing 4. The driven shaft 2 The inner end forms an axial annular sinking groove, the inner end of the drive shaft 1 extends into the annular sinking groove and the outer circular surface and the inner circular surface of the annular sinking groove form a closed magnetic glue cavity 3, the magnetic glue cavity 3 Filled with magnetic glue; the outer surface of the drive shaft 1 corresponding to the magnetic glue chamber 3 forms a cam structure that gradually decreases along the transmission direction; it also includes an excitation coil 5, and the magnetic force lines of the excitation coil 5 pass th...
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The invention discloses a strength magnetic glue clutch, comprising a box body, and a driving shaft and a driven shaft which are coaxially arranged and are rotationally matched with the box body respectively, an axial ring-shaped sinking groove is formed at the end part of the inner side of the driven shaft, the end part of the inner side of the driving shaft is extended in the ring-shaped sinking groove and the outer circumference surface of the driving shaft and the inner circumference surface of the ring-shaped sinking groove form a closed magnetic glue cavity, and magnetic glue is filled in the magnetic glue cavity, a cam structure which is gradually descended along the transmission direction is formed on the outer circumference surface of the driving shaft, corresponding to the magnetic glue cavity, and the line of magnetic force of a magnet exciting coil penetrates through the magnetic glue cavity; the strength magnetic glue clutch has the advantages of a magnetic powder brake and has no problems of magnetic powder caking and corrosion, and sedimentation and leakage; when in meshing, the extrusion of the magnetic glue is realized for increasing the engagement force of the driving shaft and the driven shaft, and the purposes that rapid engagement is realized and the engagement strength is improved without increasing the coil power to increase the electromagnetic force; the structure is simple and compact, the volume is small, the quantity of the parts is less, the assembly and disassembly are convenient and the maintaining cost is saved.
Description
technical field [0001] The invention relates to a clutch, in particular to a powerful magnetic glue clutch. Background technique [0002] The main principle of the magnetic powder clutch is to place magnetic powder between the driving shaft and the driven shaft. When the power is off, the magnetic powder is in a loose state. When the power is on, the magnetic powder is combined, and the driving part and the driven part rotate at the same time. The torque can be adjusted by adjusting the current, allowing a large slip. In the prior art, the magnetic powder clutch has problems such as magnetic powder corrosion, serious powder wear, seizure phenomenon during startup, and agglomeration caused by mutual attraction between magnetic powders, which leads to unstable clutch output torque and unstable clutch performance. The service life of the clutch is shortened, and the precise control of the moving machinery is also affected. [0003] In order to solve the above problems in magn...
Claims
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IPC IPC(8): F16D35/00
Inventor 梁锡昌吕宏展肖山
Owner CHONGQING UNIV