供应吉林门式起重机长春Representation of gantry crane

Representation of gantry crane,Code number, rated quality, span, main factors characteristic of level 4 represents a model gantry crane.M : gantry type, m a symbol with a double beam gantry crane. Its symbol : MG, and ME, and MZ, MC, MP, and Ms, and two symbols for single girder gantry crane, its symbols are : MDG, and MDE, and MDZ, and MDN and the MDP, and MDS.



Selection 

1 gantry crane main girder of single and double beam gantry crane selection

Typically, capacity 50T span within 35m, no special requirements, use of Dan Zhuliang. If legs width is required, work faster, or lifting heavy pieces, frequently long equipment you choose double beam gantry crane.

2 Span and length of the cantilever span gantry crane is an important factor influencing the quality of crane's own. In the select, devices use conditions are met and comply with long - span under the premise of the series, you should try to reduce the span.

3  Distance determination principle of a frame along the direction of crane rail can meet the stability requirement b dimension of the cargo to be able to smoothly through the legs of plane steel frame c note the distance between b and span s proportional relationship, generally take distance B=14-16S.


4  Spacing size determination in working in the gantry crane, gantry crane channel external dimensions and yard goods and transport vehicles should have a certain amount of space between dimensions, to facilitate the loading and unloading operations. General transport vehicles within the span when loading and unloading, and legs has more than 0.7m spacing should be maintained. Lifting and transport vehicles are 0.5m when not in work above the spacing, cargo door legs, space 0.5m and above.


5 Gantry crane electrical equipment used in it should comply with the relevant provisions of the universal GBT14406-1993 of Portal crane.