A hold angle screw rod drilling tool for big displacement directional well

The utility model discloses a hold angle screw rod drilling tool for big displacement directional well, the brill is personally experienced sth. Part of the body by the valve body, is prevented falling assembly, motor assembly, cardan shaft assembly and transmission shaft assembly and constitutes, the inlet sets up the upper end at the case, the inside of preventing falling the assembly is provided with to be prevented falling the nut and prevents falling the screw rod, the welded fastening of the bottom of preventing falling the screw rod and rotor upper end is connected, be provided with thestator on the wall body of motor assembly, the upper end fixed connection of universal joint and center pin is passed through to the bottom of rotor, the bottom of center pin and the upper end fixedconnection of output shaft, the terminal intermediate position of output shaft is provided with the round hole, the nut passes through screw thread meshing rotation with the outer end of output shaftand is connected, the end o