A Wedge Disc Adjustable Speed Magnetic Coupling
A magnetic coupling and wedge-shaped technology, which is applied in the direction of electrical components, electromechanical devices, electromechanical transmission devices, etc., can solve the problems of motor heating and failure, and achieve the effects of prolonging service life, small error transmission, and reducing wear
Inactive Publication Date: 2011-12-21
JIANGSU UNIV
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Problems solved by technology
[0005] In view of the above problems, the present invention provides a wedge-shaped disc speed-adjustable magnetic coupling device. The present invention realizes the connection between the permanent magnet and the copper block by changing the shape of the driving and driven discs and the design of the speed-regulating mechanism. The facing area and the size of the air gap change at the same time, thus providing a device with high power, stable torque transmission, and high transmission efficiency, and at the same time solving the problem of motor heating caused by load start, frequent start, and excessive load. failure
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Embodiment 2
[0038] Embodiment 2: On the basis of Embodiment 1, the mechanism that causes the square bearing base 18 to generate axial displacement can be replaced with one of the crank slider mechanism or the threaded screw mechanism; wherein Figure 5 A schematic diagram of the movement of the slider crank mechanism is given. The rotation angle of the crank 25 is precisely controlled by a stepping motor, so that the crank converts the rotating pair into a moving pair through two connecting rod members, so that the square bearing base 18 will also be affected by the sliding block. The horizontal force acting on it produces a horizontal displacement, which achieves the purpose of providing a power source.
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The invention relates to the technical field of mechanical transmission, in particular to a wedge-shaped disc-type adjustable-speed magnetic coupling. The shaft coupling of the present invention includes a driving disc device, a driven disc device and a speed regulating mechanism. Among them, both the driving and driven discs adopt wedge-shaped disc structure, the purpose of which is to simultaneously change the facing area and the size of the air gap between the permanent magnet and the conductor, quickly adjust the magnetic flux of the air gap magnetic field, and control the output speed and speed better and faster. The size of the torque. At the same time, the axial movement of the driving rack (21) is controlled by the speed regulating mechanism, so that the square bearing base (18) can also move accordingly, and then the lower rack (14) and the right side are pushed by the two-way thrust ball bearing (19). The wedge-shaped driven disk moves, and now the motion is passed to the upper rack (10) by the gear (12), so that the upper and lower racks drive the corresponding left and right wedge-shaped discs to move toward or away from each other. That is to say, the distance between the master and slave discs can be changed at any time during the operation of the coupling, thereby changing the torque and speed of the driven shaft, and achieving the purpose of stepless speed regulation.
Description
technical field [0001] The present invention relates to the field of transmission technology in mechanical engineering, in particular to a wedge-shaped disk adjustable-speed magnetic coupling, which can be widely used in power transmission systems in industries such as power generation, metallurgy, petrochemical, mining, and HVAC middle. Background technique [0002] Couplings are frequently used components in the power transmission process of mechanical systems to transmit torque and motion; with the continuous development of science and technology, the application fields of couplings continue to expand, and the technology is also constantly developing. Traditional couplings are Contact couplings can be divided into elastic couplings and rigid couplings according to whether they have elastic elements inside: rigid couplings require strict alignment of the centerlines of the two axes being connected, and only a small amount of displacement and deviation are allowed at most. ...
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IPC IPC(8): H02K51/00
Inventor 杨超君管春松蒋毅一
Owner JIANGSU UNIV