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只要有坚强的意志力，就自然而然地会有能耐、机灵和知识。只要持续地努力，不懈地奋斗，就没有征服不了的东西。
As long as there is a strong willpower, naturally there will be a capable, smart, and knowledge. As long as continue to work hard, unremitting struggle, no not things.
起重机配件可以这么说，是一个工程的核心，如果起重机配件坏了的话，那么整个工程将会进展很慢，所以说起重机配件的安全装置就显得很重要。起重机配件的安全装置可以全面的保护起重机的适用与运行。高度限位装置：吊钩起升到规定的高度后，碰触限位重锤，打开行程开关，同时切断吊钩起升、吊臂伸出、吊臂伏到等动作的操作而确保安全。吊臂变幅安全装置：当不测事故发生，吊臂变幅油缸回路中的高压软管或油管爆裂或切断时，液压回路中的平衡阀就起作用，锁闭来自油缸下腔的工作油，使吊臂不致下跌，从而确保作业的安全性。起重特性表：设置在操纵室内前侧下墙板上，该表列出了各种臂长和各种工作幅度下的额定起重量和起重高度，以便操作时查阅。液压系统中各溢流阀：可抑制回路中的异常高压，以防止液压油泵及马达的损坏，并防止处于过载状态。起重机在建设的过程中起到重要的作用，一旦起重机出事，那么后果将会不堪设想，最近的一些事故就说明了这一点。
Crane accessories, so to speak is the core of a project, if the crane parts is broken, the whole project will progress very slowly, so the safety of the crane accessories equipment is very important. Crane parts of the safety device can apply to operation of the comprehensive protection of cranes. Height limit device: hook lifting to the height of the rules, touched the limit weight, open a travel switch, at the same time to cut off the hook hoisting, lifting arm stretched out, hanging arm fell to the operation and to ensure safety. Boom luffing safety device: when the unexpected accidents, boom luffing cylinder circuits of high pressure hose or blowout or cut off, the balancing valve can play a role in hydraulic circuit, locking oil cylinder inferior vena work, the boom from falling and to ensure the operation safety. Lifting characteristics: set in the control room of the side panel under, the table lists the various arm length and various working under rated lifting height and lifting weight, in order to reference when operating. Overflow valve in the hydraulic system: inhibition of abnormal high pressure in the circuit, in order to prevent damage of hydraulic pump and motor, and keep in a state of overload. Cranes play an important role in the construction process, once the crane accident, the consequences will be unimaginable, some of the recent accidents, illustrates this point.
山东力王起重机械有限公司立足于专业生产，不断积极开拓创新，时刻走在社会的前列，为广大客户和消费者做最好的服务，生产最专业产品。
Shandong longteng hoisting machinery co., LTD., based on specialized production, innovation, and actively explore always walk in the forefront of the society, for the general customers and consumers to do the best service, the most professional products.
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