A High Torque Tandem Motor Equal Wall Thickness Screw Drilling Tool
A technology of screw drilling tools and equal wall thickness, which is used in earth-moving drilling, drilling equipment, driving devices for drilling in wellbore, etc., can solve the problems of high motor failure rate and low output torque, etc. Working life, the effect of reducing drilling costs
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0017] Such as figure 1 As shown, the present invention adopts the following technical solutions: a high-torque serial hollow motor equal-wall screw drilling tool, mainly composed of a bypass valve assembly 1, an anti-drop assembly 2, a motor assembly 3, and a cardan shaft assembly I4 , hollow rotor motor assembly 5, cardan shaft assembly II 6, transmission shaft assembly 7, the bypass valve housing, anti-drop joint housing, stator housing, cardan shaft housing, and transmission shaft housing are partially passed through Improve the double-shoulder NC56 buckle connection to enhance the connection strength of the shell. The series part is composed of 2 motor assemblies of different stages and 2 cardan shaft assemblies of the same size. The motor assembly 3 is a 3.5-stage stator and rotor Coordination, the hollow rotor motor assembly 5 is a two-...
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