Tight mounting device for display equipment and application method thereof

The invention discloses a tight mounting device for display equipment (9) and an application method thereof, wherein the device comprises a fixed frame (7), a fixed column device (8) fixedly connected with the display equipment (9) and penetrating through a fixed through hole in the fixed frame (7), and an ejecting spring (91) arranged between the fixed frame (7) and the display equipment (9) by surrounding the fixed column device (8), wherein two angular plates (81) hinged with a fixed column (8) through hinge columns (811) are symmetrically arranged in an inner cavity (80) at the middle part of the fixed column (8).