clamshell grab, the grasping device of a lift crane, a loader, or
an overhead traveling crane, consisting of an assembly of hinged
jaws for grasping of loads. The grab bucket is used for
transporting and for short-distance handling of loose and segmented
loads, timber, and the like. When used for loose materials, the
grab bucket operates by digging under and closing on the load. To
facilitate picking up material, the jaws of the grab bucket are
equipped with teeth. The most commonly used grab buckets for loose
materials have a volume of 0.8–1.2 cu m.
The grab bucket for lumber materials (such as logs. pulpwood, and
firewood) is similar in its design to the grab bucket for loose
materials except that the jaws are of special construction. Each
jaw is built with two claws that are bent underneath and linked
together by a beam. The use of the grab bucket permits complete
automation in the grabbing and loosening of various loads.
Grab bucket is the bucket that can open and close to grasp the
sediment and all kinds of bulk cargo. It is a kind of spreader that
mainly rely on the left and right two combined bucket or multiple
jaw opening crawl and unloading material.
Specialized in handling all kinds Powder and Granular bulk
materials. The grab adapts Single twisted axis bucket. The grab
overall structure is light and durable, offering high grabbing
ratio, strong closing force and high material filling rate. We can
also supply dust cover, cutting edge sealing parts according to the
environmental requirement, marine environmental and other special
working condition. Design for working with tower crane, ship crane,
and unloading ship crane. Widely used in Wharf, steel mills, power
plants, ships, etc.