Height-adjustable fair-faced concrete large formwork channel steel bracket device

The utility model provides a height-adjustable fair-faced concrete large formwork channel steel bracket device which comprises double channel steel, a screw rod and a batten wall body, the back of the double channel steel is welded through a small section of channel steel, and the screw rod limits displacement of a batten by tightening the screw rod through a nut. The double-channel steel and a poured concrete wall body are provided with battens to support an upper layer formwork to limit vertical displacement of the upper layer formwork, the screw rod 2 is connected with the poured wall body through a nut in a pulling mode, the formwork is fixedly erected in an offset mode, and meanwhile flexible cushion blocks need to be additionally arranged between the battens and the poured concrete wall body according to the requirement for finished product protection. The large fair-faced concrete formwork can be accurately positioned, extra displacement of the large fair-faced concrete formwork is avoided, the phenome