People's Republic of China National Standard GB / T14406-93 common gantry crane 1 main contents and scope of the standard specifies the contents of general gantry crane classification, technical requirements, test methods and inspection rules. This standard applies to open-air operations of universal gantry cranes (hereinafter referred to as the crane) gantry crane, which means to extract the hook, grab or electric sucker (lifting magnet) 100 gantry crane, use one or both of two or three. Special gantry crane and the same may also refer to the use of similar parts. Practice a former double girder bridge crane Procedure 1. Work a. The brake, hooks, ropes and safety devices and other components required to check the card check 20t gantry crane, abnormal phenomenon, should be thoroughly excluded. b. The operator must confirm to go on unmanned rail station or when we can close the main power supply. When locking or sign the power circuit breaker is closed by the original person only after the main power is removed. 100 Crane | Jiaohe Gantry | heavy generous generous by heavy machinery Co., Ltd., Henan Province. Heavy Machinery Co., Ltd., Henan Province, generous (www.hnqizhongshebei.com) (www.hnqizhongshebei.com) strong, credible, in Zhengzhou, Henan engineering, construction crane industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving generous innovative ideas will lead into the brilliant heavy and you work for a better future!