A, SWJK clamp, mainly applies to linking piece have special requirements. B, the overall requirements are consistent with WJK linking piece, installed with three sides around the welding, the weld height is 7 mm. C, Q345 material SWJK linking piece: torque to 150 n. m, ACTS on each wheel pressure maximum lateral force at 40 kn, bear with guide wheel under the action of horizontal force of 25 largest kn. D, if you have any special requirement or crane wheel and crane beam distance level unit of small please inform me in advance.