The synchronous balance system of the car lift includes a first hydraulic cylinder and a second hydraulic cylinder; the first hydraulic cylinder and the second hydraulic cylinder are both arranged on the upper end of the frame between the lifting platform and the frame; At least four sets of rotating rods are arranged between the hydraulic cylinder and the second hydraulic cylinder; one rotating rod on the boundary of the four sets of rotating rods is connected with the first hydraulic cylinder; the other rotating rod on the boundary of the four sets of rotating rods. The rotating rod is connected with the second hydraulic cylinder; the rod chamber of the first hydraulic cylinder is connected with the non-rod chamber of the second hydraulic cylinder through a pipeline; the rod chamber of the first hydraulic cylinder is connected with the second hydraulic cylinder. The non-rod chamber of the hydraulic cylinder is connected, and then the non-rod chamber of the first hydraulic cylinder and the rod chamber of the second hydraulic cylinder are connected to the oil circuit block, and the cooperation of the two can effectively ensure the lift. The balance of the car lift during the lifting process is stable and durable.
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