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   SQB0703YR clamshell is designed specifically for lorry crane.The grapple is suitable for handling sand,cement,stone,coal,grain and other powder materials.It can be widely used for a variety of environmental conditions such as loading and unloading of material.

SQB0703YR clamshell is made up by the rotating motor,cylinder,connecting frame,bucket and other components.Hydraulic power source is provided by the crane with two sets of loops,one for the rotation,another for opening and closing,respectively,directly into the rotary motor in the corresponding oil port.The hydraulic oil directly drives the rotary motor to rotate gripper while the hydraulic cylinder telescopically drives the bucket body to complete its opening and closing.