Isolation type magnetic drive leak-proof apparatus for driving valve
A driving device and magnetic transmission technology, applied in valve devices, valve operation/release devices, valve details, etc., can solve problems such as leakage and loss of valve execution functions, reduce damage, improve work reliability, and prolong service life Effect
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[0024] see figure 1 As shown, the present invention is an isolated magnetic transmission valve driving device, which includes a control motor 1 , a magnetic transmission device 2 , a reduction device 3 , a valve stem 4 , and a liquid-tight sealing box 5 . in:
[0025] The magnetic transmission device 2 includes an input pole 21 and an output pole 22 . The input and output magnetic poles 21, 22 are composed of a magnetic steel support 23 and several magnetic steel 24 respectively. The magnetic steel support 23 is cylindrical, and the magnetic steel 24 is evenly embedded in the periphery of the magnetic steel support 23. Steel 24 is a high-performance magnetic steel, which has strong magnetism, is not easy to demagnetize, and is anti-corrosion. It can be samarium-cobalt magnetic steel, and its quantity is determined by the torque required to drive the valve. In this embodiment, the magnetic steel 24 Quantity is 4, see figure 2 As shown; the input pole 21 is fixed at the lowe...
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