Ditch formwork fixing frame dismantling device

The utility model discloses a dismounting device for a ditch formwork fixing frame, and relates to the technical field of ditch construction. The device comprises a device bottom plate, two side plates are arranged on the upper surface of the device bottom plate, a rack plate is fixedly installed on the face, close to the side plates, of the device bottom plate, a dismounting mechanism is arranged between the two side plates, and an adjusting mechanism is arranged on one side of the rack plate. The dismounting mechanism comprises a jacking plate, and guide grooves are formed in the opposite sides of the two side plates. According to the device, the pressing handle is pressed downwards, the pressing handle enables the U-shaped clamping sleeve to vertically ascend through the pressing rod, the hinge seat and the connecting rod, the upper end of the formwork fixing frame is attached to the inner wall of the U-shaped clamping sleeve, the U-shaped clamping sleeve vertically ascends to enable the formwork fixing fr