Integral column for projection equipment

The invention provides an integral column for projection equipment. The integral column comprises a mounting frame and an integral column body; the mounting frame movably penetrates through a shell ofthe projection equipment through installation holes, and frame plates are fixedly arranged on the two sides of the mounting frame; through holes are formed in the frame plates, and threaded holes areformed in the positions, corresponding to the through holes, of the shell; the mounting frame is installed on the shell through bolts penetrating through the through holes and the threaded holes, thebolts are sleeved with compression springs, and the compression springs are located between the frame plates and the shell. Installation frames are arranged on the two sides of the bottom of the mounting frame, and bearing seats are arranged on the installation frames; and the integral column body is rotationally arranged between the two bearing seats in a penetrating mode. A first gear is pivoted in the mounting frame, a