Auxiliary device for one-time construction forming of basement ground and operation method of auxiliary device

The invention belongs to the technical field of ground construction, and discloses an auxiliary device for one-time construction forming of a basement ground, the auxiliary device comprises a base, a supporting box is fixedly mounted at the top end of the base, and a seat is arranged at the top end of the supporting box; the adjusting mechanism is arranged at the bottom end of the seat, the adjusting mechanism comprises a sliding rod, and the sliding rod is fixedly connected to the bottom end of the seat. The seat is moved to the position matched with the height of an operator, then the operator can sit at the top end of the seat, finally, the height of the seat is adjusted, and therefore the operator can find the most comfortable sitting posture according to the height and the body shape of the operator, the fatigue feeling caused by long-time operation can be relieved, and the working efficiency of the operator is improved. And through friction force and self-locking performance among the first worm wheel,