Low-speed motor direct driving mechanism used for top part driving well drilling device
A low-speed motor and drive mechanism technology, which is applied in the direction of drilling drive devices, drilling equipment, electromechanical devices, etc. The effect of reducing the failure rate, reducing the number of accessory parts, and reducing the number of times of positioning
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[0022] The present invention will be further described below in conjunction with the accompanying drawings.
[0023] Such as figure 1 Shown is a low-speed motor direct drive mechanism for a top drive drilling device, including a hollow main shaft 1, a motor and a control mechanism.
[0024] The motor includes a motor upper cover 14, a motor housing 15, a rotary head inner sleeve 25 and a stator-rotor mechanism. 1 Outer side; the outer edge of the motor upper end cover 14 is sealed and fixed with the upper end outer edge of the motor housing 15, the inner edge of the motor upper end cover 14 is connected to the hollow main shaft 1 through the upper end bearing 16, and the connecting part between the motor upper end cover 14 and the hollow main shaft 1 Sealed by the upper end seal; the lower end of the rotary head inner sleeve 25 passes through the lower port of the motor housing 15 and extends out, the upper end of the rotary head inner sleeve 25 engages with the lower end of ...
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