Oil industry
Bearings for hooks, turntables, cranes
The main bearing types are: 1. Hook bearings are mainly thrust roller bearings. 2. The bearings for the turntable are mainly cross roller turntable bearings. 3. Cylindrical roller bearings are mainly used in the crane winch parts.
Liner hanger bearings
Liner hanger bearings are mainly used in the field of petroleum cementing. The bearing adopts full complement conical convex roller bearings, and uses finite element analysis to optimize the structure and main parameters of the bearing body, reduce stress concentration, improve bearing capacity. The bearing uses special sealing device to prevent mud from entering the bearing, and fills high temperature grease to ensure high temperature lubrication. The bearing can prevent the influence of uneven bearing load and overturning load, and it has higher axial load capacity and working ability in high temperature mud environment, lower rotating torque in harsh environment of high temperature and high load, and longer service life. It provides a guarantee for the reliability of the use of the rotary liner hanger.
Petroleum screw drilling tool bearings
Petroleum screw drilling tool bearings are mainly used for underground power drilling tools and maintenance. Bearing types mainly include multi row thrust ball bearings and multi row thrust roller bearings.
Composite material bearings
Composite material bearings are widely used in various fields of mechanical engineering, such as aircraft, automobiles, motorcycles, printing, textiles, etc. They mainly bear radial load. Using cold-rolled steel plate as the matrix, sintered porous bronze powder as the intermediate layer, and surface is compounded with composite modified polytetrachloroethylene self-lubricating material. The special manufacturing process and steel backed porous bronze modified PTFE multi-layer composite structure make this material have excellent comprehensive mechanical properties, wear reduction and wear resistance characteristics, and good thermal conductivity.
Embedded self-lubricating bearings
Embedded self-lubricating bearings are mainly used in bridges, rollers, furnace machinery, underwater equipment, petroleum machinery, metallurgical equipment, lifting and transportation machinery, etc. They mainly bear radial load. Based on metal alloys, solid lubricants are embedded on their working surfaces to release and generate a solid lubrication film on the sliding surface during the working process, separating the worn parts and achieving the purpose of reducing friction and wear. According to different applications, embedded bearings can use high-strength brass alloys, bronze alloys, cast iron, and bimetallic materials as the matrix. Self-lubricating embedded bearings combine the characteristics of metal and non-metal, and have advantages of high load-bearing capacity, small friction coefficient, good wear resistance, and long service life.
Mud pump bearings
Mud pump bearings are mainly used in various mud pumps and fracturing pumps for drilling and petroleum machinery. The main types of mud pumps are: QDP-3000, 2800A/3300 plunger pump, 5000/7000 plunger pump, Russian pump, etc.
Hydrodynamic bearings
Hydrodynamic bearings are mainly used in submersible pump devices and motor protectors. Hydrodynamic bearings are divided into hydrodynamic radial bearings and hydrodynamic thrust bearings. The bearings mainly bear axial loads and can also bear certain impact loads. The speed of the bearing varies with the current frequency.
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