Electric Double Girder Crab Trolley

A Crab Trolley is a necessary tool for DG EOT cranes. Crabs are a large and highly mobile species of fish, and a Crab Trolley for DG EOT Crane can help with theThe lifting crab of an EOT crane is an independent two motion machine and consists of the hoist machinery built onto a frame, which is mounted on runner wheels, and driven by a motor through suitable gearing. The crab is also known as a trolley.The trolley is the mechanism that moves the hoist along the bridge girder of a crane. The hoist is moved horizontally along the top or underside of the bridge girder to position it above a load (Figure 1, Motion 2). There are three types of trolleys: low headroom, normal headroom and double girder trolley.The part of the crane moving the width is called the trolley. The part of the crane moving up and down is called the hoist. These three parts, bridge, trolley, and hoist together are called a crane or overhead crane.