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How to choose a Gantry Crane
2014-04-17 15:47
Gantry crane is a kind of deformation of bridge crane. In the port, it is mainly used for loading and unloading operation on outdoor freight yard, yard goods, and bulks. Its metal structure is like the door frame; and under the main bearing girder two supporting feet are installed, which can directly operate on the orbit on the ground. Both ends of the main girder can be equipped with overhanging cantilever girders. Gantry crane with high space utilization, wider range of operation, strong versatility, is widely used in port yard.
Given that gantry crane is an efficient tool in many industrial areas, how to buy gantry crane has become a problem of public concern.
Gantry crane can be divided into Single girder gantry crane and double Single gantry crane according to the form of the main girder.
Single girder gantry crane has simple structure, small body weight and can be conveniently installed. The main girder is most Partial rail box frame structure. Compared with the double girder gantry crane, Single girder gantry crane has less overall stiffness. So when lifting weight is less than 50 tons or span is less span 35 meters, this form can be used.
Double girder gantry crane has strong capacity, big span, good overall stability, more varieties, but its body weight is heavier, compared with single girder gantry crane with the same Lifting capacity; also cost is higher. Both gantry cranes can be used as Rail Gantry Cranes that the whole gantry crane can move along the rail on the both sides of the crane.
First, if you want to but gantry crane, you should know china gantry crane has to conform to relevant standards such as GB/T14406-1993 and GB5905-86
Secondly, span and jib-length should be determined early when you buy gantry crane. The span of a gantry crane is a vital factor that will affect the body weight of the crane. When we are choose the gantry crane, we should reduce the span as much as possible on the premise that operating conditions and span standards are satisfied.
Thirdly, determining wheel track should follow some principles. Requirements of the stability of the door frame along the direction of crane rail can be met; and the dimension of goods can go through the leg plane steel frame successfully. Also we should pay attention to make the wheel track B has a definite proportional relationship with span S.
Finally, spacing dimension of gantry crane also should be decided. At work, some space should be left among external sizes of gantry crane, goods, and channels for cargo and transport vehicles, in order to facilitate loading and unloading operation.
Given that gantry crane is an efficient tool in many industrial areas, how to buy gantry crane has become a problem of public concern.
Gantry crane can be divided into Single girder gantry crane and double Single gantry crane according to the form of the main girder.
Single girder gantry crane has simple structure, small body weight and can be conveniently installed. The main girder is most Partial rail box frame structure. Compared with the double girder gantry crane, Single girder gantry crane has less overall stiffness. So when lifting weight is less than 50 tons or span is less span 35 meters, this form can be used.
Double girder gantry crane has strong capacity, big span, good overall stability, more varieties, but its body weight is heavier, compared with single girder gantry crane with the same Lifting capacity; also cost is higher. Both gantry cranes can be used as Rail Gantry Cranes that the whole gantry crane can move along the rail on the both sides of the crane.
First, if you want to but gantry crane, you should know china gantry crane has to conform to relevant standards such as GB/T14406-1993 and GB5905-86
Secondly, span and jib-length should be determined early when you buy gantry crane. The span of a gantry crane is a vital factor that will affect the body weight of the crane. When we are choose the gantry crane, we should reduce the span as much as possible on the premise that operating conditions and span standards are satisfied.
Thirdly, determining wheel track should follow some principles. Requirements of the stability of the door frame along the direction of crane rail can be met; and the dimension of goods can go through the leg plane steel frame successfully. Also we should pay attention to make the wheel track B has a definite proportional relationship with span S.
Finally, spacing dimension of gantry crane also should be decided. At work, some space should be left among external sizes of gantry crane, goods, and channels for cargo and transport vehicles, in order to facilitate loading and unloading operation.
