Underground electromagnetic control damping elastic centralizing device and control method
A technology of electromagnetic control and damping spring, which is applied in the direction of drilling equipment, earthwork drilling, drill pipe, etc., can solve the problems that the continuous rigid expansion and contraction of the spring cannot meet the fatigue strength, stability, and service life limit, so as to ensure the righting effect, The effect of improving the service life and stability
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[0024] Below in conjunction with accompanying drawing, illustrate the specific embodiment that the present invention proposes, structure, feature and effect thereof, detailed description is as follows:
[0025] A downhole electromagnetically controlled shock-absorbing elastic centralizing device is mainly composed of a supporting connection mechanism 1, an electromagnetic control system 2 and a shock-absorbing elastic centralizing mechanism 3; the supporting connecting mechanism 1 is used to support the overall structure of the centralizing device, Matching instrument or device connection, electromagnetic control system 2 and shock-absorbing elastic centralizing mechanism 3 work together to adapt to the change of downhole pipe diameter, and can carry out continuous self-adaptive adjustment according to the vibration of the helical shock-absorbing spring 31 and the size of the elastic impact force , to avoid the centralizing device completely relying on the rigid expansion and c...
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