Dolly combination formula endless chain electric block's locking device

The utility model discloses a dolly combination formula endless chain electric block's locking device belongs to endless chain electric block's locking positioning spare technical field. Including theblock rubber, the latch segment, check lock lever and grab handle, the block rubber has the necking down section in one side face axial extension that its main part is the disc, necking down sectionsurface has the wedging tooth and has seted up the blind hole at its lower extreme, the latch segment has the reaming mouth that interior perforation and interior perforation upper end formation stepand lower extreme axial extension have light shape, the block rubber is connected with the latch segment interlock, the check lock lever has the screw thread section and the lower extreme links firmlythe grab handle, the check lock lever is put into and be fixed in in the reaming mouth of latch segment and its top of check lock lever extends in the blind hole of block rubber. Because the block rubber is interlock connection