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Gantry crane

Long popular in Europe, gantry cranes have become a widely accepted alternative to Overhead Bridge Cranes. This type of crane is similar to the bridge crane except that it runs on a runway at the floor level. The bridge is supported by a pair of rigid steel legs which are carried by a pair of end trucks along the floor level runway.

Jib crane

A jib Crane is a type of crane where a horizontal member (jib or boom), supporting a moveable hoist, is fixed to a wall or to a floor-mounted pillar, which is a style of cranes in case of which a horizontal portion called the boom or the jib supports a moveable

Bridge Crane

of a factory and provides three axis of hook motion (X, Y, and Z). The hoist moves the load up and down, the trolley moves the load right and left, and the bridge of the crane moves the load forward and backward. Both single and double girder Overhead traveling bridge crane designs allow very precise hook positioning and gentle load placement. Double girder cranes typically provide better hook height, but single girder cranes offer other advantages depending on your application.

Cranes

Development depends on infrastructure and infrastructure on heavy machineries. Of all the heavy machines Cranes acquire an important position as they are involved in the building and maintenance of huge projects. Crane machines are the huge tower like machineries having ropes meant to lift or to lower any heavy devices. Hence they are also referred

FAQ About Overhead Bridge Crane

  • Cranes,overhead traveling crane,Construction cranes,Tower cranes,Mobile cranes,Articulating cranes

    • the crane to reach a large, rectangular area. A bridge crane may also be designed so that one end of the bridge is supported by a central pivot while the other end moves on a circular rail, allowing a large, round area to be reached. An Overhead traveling crane is a kind of bridge crane in which the rails are located high above the ground. Usually supported from the ceiling of a building, an overhead traveling crane has the advantage of causing no obstruction in the work area. Cranes

  • Overhead Crane and Bridge Crane

    • Bridge cranes or likewise called Overhead cranes are actually a kind of industrial material handling crane making use of a line andhook device which runs on a horizontal beam running along two widely separated rails. Numerous overhead cranes could be seeninside a long factory structure

  • Crane Classification

    • CMAA Crane Classification As to the types of cranes covered under CMAA Specification No. 70 (Top Running Bridge and Gantry Type Multiple Girder Electric Overhead Traveling Cranes), there are six (6) different classifications of cranes, each dependent on duty cycle. Within the CMAA Specification is a numerical method for determining exact crane class based on the expected load spectrum. Aside from this

  • Introduction of overhead crane operator

    • Enhanced public image of crane operators All candidates are required to pass both Written and Practical Examination(s) to be certified. As detailed in this handbook, candidates may take the Practical Examination on either of the following Overhead crane types: Cab-operated Pendant/remote control All overhead (bridge) and gantry cranes that meet the requirements of the ASME B30.2, B30.11, B30.16, and/or B30.17 standards and have powered functions for hoist, bridge, and trolley

  • Double Girder Gantry Crane

    • crane is similar to an overhead crane except that the bridge for carrying the trolley or trolleys is rigidly supported on two or more legs running on fixed rails or other runway. The EOT gantry crane functions similarly to an Overhead Bridge Crane, but has rails installed on the ground and gantry-style legs to support the crane

  • Rotary and Rectilinear Cranes

    • bridge, traveling viinni1v nn overhead rails. and without trolley motion. 11. Traveling cranes. - Consistsing of bridge moving longitudinally on overhead tracks, and a trolly moving transversely on the bridge. 12. Gantries. - Consisting of an Overhead Bridge, carried at each end by a trestle traveling on longitudinal tracks on the ground, and having a trolley moving transversely on the bridge. 13. Rotary bridge cranes. - Combining rotary and rectilinear movements and consisting of a bridge

  • Rule about marking rated capacity of crane

    • with its individual rated capacity. (2) Each crane designed and manufactured after January 1, 1971 shall have a service class rating as prescribed in “CMAA #70--Specifications for Top Running Bridge and Gantry Type Multiple Girder Electric Overhead Traveling Cranes,” 1970 edition, as shown in Appendix B. Additionally the service class rating shall be legibly marked on each crane. (3) Clearance from obstructions shall be a minimum of 3 inches overhead and 2 inches laterally between

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