Oil-sucking rod continuous full cladding production line and cladding method thereof

Abstract

The invention relates to the field of oil-sucking rods and provides an oil-sucking rod continuous full cladding production line and a cladding method thereof. The oil-sucking rod continuous full cladding production line comprises a wheel type conveying mechanism, an intermediate frequency heating device, a front traction device, a cladding module, an air cooling device, a water cooling device anda rear traction device in sequence, wherein positions between the intermediate frequency heating device and the front traction device as well as between the front traction device and the cladding module as well as between the air cooling device and the water cooling device as well as between the water cooling device and the rear traction device are all provided with positioning devices, distance sensors are arranged between the intermediate frequency heating device and the positioning devices, a terminal control device is fixed on the front traction device and controls the whole line, the cladding module comprises a cladding unit and a cladding material supplying unit, and a fixed platform II and the position between the water cooling device and the rear traction device are further provided with 4 sets of transmission devices. The oil-sucking rod continuous full cladding production line and the cladding method thereof have the beneficial effects that the oil-sucking rod continuous fullcladding production line and the cladding method thereof can adapt to cladding of the oil-sucking rods with different diameters, the cladding thickness can be adjusted, and the cladded oil-sucking rods have good corrosion resistance and abrasive resistance.

Description

technical field [0001] The invention relates to the field of sucker rods, in particular to a continuous full-coating production line for sucker rods and a coating method thereof. Background technique [0002] In the field of sucker rods, the mechanical properties of steel sucker rods are excellent, but the metal's wear resistance and corrosion resistance are low, and it cannot cope with the harsh environment of wells and mines. As a result, the service life of sucker rods is greatly shortened, which affects the safety of oil fields. normal production. In order to solve the corrosion and wear problems of the sucker rod, the surface of the sucker rod will be coated with wear-resistant and corrosion-resistant materials to increase the wear resistance and corrosion resistance of the sucker rod and prolong its service life. However, some sucker rods have special-shaped surfaces and different cross-sectional sizes, and the structure of the mold used for coating is complex, so it ...

AI Technical Summary

Problems solved by technology

However, some sucker rods have special-shaped surfaces and different cross-sectional sizes, and the structure of the mold used for coating is complex, so it is impossible to fully cover the sucker rod, which affects the coating efficiency and performance of the sucker rod

[0003] The applicant cooperated with a university in the early stage to develop a continuous full-coating equipment for sucker rods and its coating method. The application number is: 201610203743.8. Also independently applied for an invention patent and obtained authorization. The patent name is: A production equipment for continuously coating ultra-high molecular weight polyethylene on sucker rods. The patent number is: 201410246023.0. Unified problems, but there are still some problems that have not been resolved, including: 1. It can only cover one type of sucker rod diameter, the minimum diameter of the sucker rod is φ22mm, the total length is 8m, and the maximum diameter is φ41.3mm; 2. .The coating is not rigorous, which seriously affects the service life in the later period; 3. The coating layer coated with high molecular weight polyethylene coating material is still worn after a period of use, and the corrosion resistance is poor

4. During coating, the exhaust gas produced by heating high molecular weight polyethylene pollutes the environment; 5. During the coating process, after the sucker rod comes out of the coating module, due to incomplete cooling, and the transmission wheel set pumps oil during the transportation process The friction of the rod, so there will be scratches on the sucker rod

Images