Sluice gate groove template mounting structure and mounting method thereof

The invention provides a sluice gate groove formwork installation structure and an installation method thereof, and belongs to the technical field of sluice gate groove construction, the sluice gate groove formwork installation structure comprises fixing assemblies, each fixing assembly comprises two fixing parts which are arranged in a staggered mode, and each fixing part comprises an inclined inserting rod, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the limiting block is slidably clamped to the top wall of the lower template in the adjacent templates, and an inclined insertion hole is formed in the side, facing the inclined insertion rod, of the top wall of the limiting block in a penetrating mode; the limiting pin is fixedly arranged on the side wall of the limiting groove, the end of the limiting pin is in a pointed cone shape, and a V-shaped notch is formed in the middle of the pointed cone shape of the limiting pin; the flaring pin is arranged in