Guiding device for logging instrument

The utility model provides a guiding device for a logging instrument, which comprises a rotary sliding rod, a guiding head connected with a first end of the rotary sliding rod, an elastic piece abutted against a second end of the rotary sliding rod, and a rotary driving ring sleeved on the outer surface of the rotary sliding rod and fixedly arranged in the guiding device, a spiral groove is formed in the rotary sliding rod along the periphery of the rotary sliding rod, a matching part protruding inwards is arranged on the inner wall of the rotary driving ring, and the matching part is inserted into the spiral groove. The guiding device can avoid obstacles and effectively protect the logging instrument when encountering obstacles underground. 本实用新型提供了一种用于测井仪器的导向装置，包括旋转滑杆和与旋转滑杆的第一端连接的导向头、与旋转滑杆的第二端抵接的弹性件以及套置在旋转滑杆的外表面且固定设置于导向装置内的旋转驱动环，旋转滑杆沿其外周开设有螺旋槽，旋转驱动环的内壁设置有向内凸出的配合部，配合部插入螺旋槽内。本实用新型所述的导向装置在井下遇阻时，能够避开阻碍物，有效保护测井仪器。