Note (1) Each crane nominal weight must hang signs in conspicuous places. (2) work, was not allowed to transport people or hook on the bridge. (3) No operating permits and drink are not allowed to drive a crane. (4) The operation must concentrate, not allowed to talk, smoke or do has nothing to do. (5) To clean the car; allowed misplacing equipment, tools, flammable and explosive materials and hazardous materials. (6) the use of a crane is not allowed supercharged. (7) The following are not allowed lifting: Bundle is not strong; mechanical overload; signal is unknown; the oblique; buried or frozen in the ground thing; the thing was being suspended; there is no security measure flammable, explosive device and dangerous goods; overfilling of liquid items; wire rope does not meet the safety requirements; lifting mechanism is faulty. (8) Cranes running on the line when there is no obstacle, hook or sling hanging objects and the bottom surface must be more than 2m from the ground. If you cross the barrier, shall be more than 0.5m high barrier. (17) is hanging objects must not run over people or equipment. (18) When a unit of the welding crane frequency single beam cranes, single girder crane ground specifically set up to 10 tons, are not allowed to use the body to do the ground. (19) The hook is in the lower limit position, must retain more turns on the reel safety ropes. (20) does not allow the crane bumped, but does not allow the use of a crane to promote another crane to work. (21) lifting heavy objects, liquid metal, when explosive and dangerous single-girder crane must be slowly lifted from the reliability of the ground 100 ~ 200mm 5 tons single girder cranes, test the brakes. (22) Repair and inspection lights, the voltage must be below 36V. (23) Overhead Crane All electrical equipment enclosure should be grounded. As the trolley track is not in the main beam welding, welding ground measures should be taken. Available ground wire cross-sectional area larger than 75mm2 bare copper galvanized flat iron or 10mm2 or 30mm2 larger than the galvanized steel bar. Ground position or crane cab body should be more than two. Grounding resistance to any point on the power neutral between crane shall be less than 4Ω. (24) to have regular technical safety checks, do preflight preparatory work. Single-beam gantry crane | single girder cranes Qingdao | generous offer by the generous heavy Ltd Henan heavy machinery. 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!