Semi-automatic assembling device for cast valve

The invention provides a semi-automatic assembling device for a cast valve. The semi-automatic assembling device comprises a device main body, a deformation detection mechanism and an auxiliary resetting mechanism, wherein the device main body comprises a worktable, a pressure meter, a pressure head, an equipment tank, a control tank, an instrument tank, a hydraulic tube, a placement plate, a hydraulic pump, an oil tank and a chuck; the deformation detection mechanism comprises a rotating shaft, a sleeve I, a limiting disc, a movable rod I, a sliding block, a level ruler, a sliding chute and abalance weight lever; and the auxiliary resetting mechanism comprises a square box, a ball slot, a sphere body, a movable rod II, a ring, a sleeve II, a movable plate, a limiting plate, a limiting slot, a spring I, an impaction ball and a spring II. Compared with the prior art, the semi-automatic assembling device has the beneficial effects that the detection can be conveniently detected, and theauxiliary resetting of a