CJ type logging winch is used to measure the slope and depth of oil well. It adopts hydraulic and mechanical stepless variable speed in structure, which is easy to operate, stable operation, wide variable speed range, large lifting weight and deep measuring depth. Electrical components can adopt explosion-proof or non-explosion-proof devices according to user requirements, so it is safe and reliable. The drawworks are equipped with counter parts to display the measuring depth and effectively protect the measuring equipment of oil Wells. Compared with similar domestic products, the drawworks have greater advantages and are the ideal equipment for oilfield logging.

The rack-and-pinion transmission system has the characteristics of clamping in the opposite direction, and can carry out the clamping in the opposite direction, that is, only by the vortex rod to promote the rack, but not by the rack to promote the vortex rod fitness movement. This characteristic of hydraulic motor market promotes rotary bearing reducer can be widely used in lifting machinery, high work and other industrial equipment, in addition to improving the technical content of cloud server, but also improve the working efficiency and safety performance of cloud server.

Compared with the traditional piston hydraulic motor, the rotary bearing reducer has the advantages of simple installation, beneficial to maintenance and saving installation space in various fields. Simple cloud server design scheme of slewing bearing reducer compared with the traditional transmission gear shaft, gear and rack drive system can obtain relative very large transmission ratio, under some conditions, can save for the cloud server reducer prefabricated components, and reduce the product cost for the customer, in addition is also greatly reduced the rate of the cloud server problems cause.