Gantry crane lifting safety check before each part

1 Check  overhead gantry crane lifting machinery, lifting machinery to ensure good performance.
(2) assembly and spare parts to prepare the ground before lifting, according to equipment weight and center of gravity location parameter validation methods and lifting equipment parts bundled manner, a reasonable choice hoisting apparatus.
3 aerial work platforms can be temporarily installed in the ground as much as possible on the ground installation.
4 channel construction work, whether formal or temporary access channel should always check and found that safety problems addressed immediately.
5 is a smaller object lifting sling hanging an object can only prohibit tandem lifting objects.
6 pieces of equipment should be checked before lifting, steel crane  cleaning work on the go with the equipment accessories, small pieces to lashing firm, while allowing to take place, to prevent high-altitude litter.
7 wire rope twisted or knotted use is strictly prohibited.
8 rope shall not be used in direct contact with the edges and corners should pads to shield.
9 rope is strictly prohibited and any contact with live parts.
10 correct selection of personnel lifting ropes, lifting objects tied securely.
11. Daughter rope angle generally not more than 90 °.
12 snaps shall transverse force.
13 may not make snap in the corner hanging pieces, as necessary, padded.
14 lifting objects should be pre-lashing rope safety slip.
15 After hoisting, measures should be temporarily fixed to wind, anti overturning confirm firmly before uncoupling.
16 two cranes with lifting objects, cycling load should be less than 80% of its rated load.
17 To test each component before hoisting  sino hoist   once, hanging from the height of 200mm or less, repeated ups and downs twice after confirmation formal lifting.
18 check carefully before using inverted chain down chain safety performance, it is not overloaded, consider using inverted chain when the force.