Line hanging approach common problems 5t crane line, you know how much? Line hanging is now construction companies, an important development of machinery industry, can not be avoided in the course of the individual components subject to wear and deformation, it is important to find out the reasons, in order to take timely measures to remedy it! Mainly due to normal wear line hanging valves in the following areas: 1, wear: sports secondary hydraulic spool valve and other mechanical parts between, in the use of the continuous generation of friction, so that part size, shape and surface quality occur change and failure. 2. Fatigue: Hydraulic valve springs and related balance valve, valve seat, in the long-term high variable loads work, will produce fatigue and crack, causing the spring to shorten the length of the entire break, and peel off the valve seat sealing surface damage failure. 3, deformation: the hydraulic valve parts in the process of residual stress and residual use and Foreign load stress exceeds the yield strength of the component materials, parts deformation, and failure can not complete the required function. 4, corrosion: hydraulic oil mixed with water or acids is too high, the use of a longer time, will corrode the hydraulic valve in the related parts to fail and lose their accuracy. In addition, when the hydraulic valve manufacturing or repair, not paying attention to achieve technical requirements, such as dimensional accuracy, surface roughness, heat treatment specifications, there is no guarantee the required tolerances during assembly, the position deviation excessive and improper care part occurrence rust, dirt and other mixed people, are an important factor in causing the hydraulic valve failure hanging line during operation plays an important role, but you have not noticed line hanging rope bear in this process heavy burden? Line hanging in the course of their work, to be grabbed items need to rely on the rope grab and show their amorous in the air, but the rope in use may have been unexpected shocks, hanging beam line at this time, we have been close scrapped edge rope, as 1t line hanging badly worn parts, broken wire serious parts so easily in case of sudden and pulled off the force. Further line hanging, rope nip pressure or also make a big impact by working in the wire rope damage. Whole rope from the rope breaking, the simple overload breaking shares were dispersed broken, cup-shaped fracture more; if collision or bent, the cup-shaped fracture less, but most will cause the whole shares or whole rope breaking. To prevent line hanging rope overload, should take the following measures: 1) determine the choice of the safety factor, and strive to reduce the impact of load other than the static load on the rope. The bending load can be increased to reduce the diameter of the pulley and spool, dynamic load operation by increasing the level of the crane driver, crane performance improved to reduce the frictional resistance can be reduced by adjusting the shape and the supplementary pulley groove lubricants, etc. . 2) grid compliance with safety procedures, eliminate human overload phenomenon. 3) days of car equipped with a load indicator or overload limiter, or alarm, eliminate overload. Line hanging card | generous heavy (certified) | Yingtan line hanging by heavy machinery Co., Ltd., Henan Province, generous. Heavy Machinery Co., Ltd., Henan Province, generous (www.hnqizhongshebei.com) (www.hnqizhongshebei.com) is Zhengzhou, engineering, construction cranes leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. In heavy generous leadership with the staff warmly welcome all inquiries negotiations to create a better future for heavy generous.