Supporting device for dismounting and mounting vehicle door

The utility model discloses a supporting device for dismounting and mounting a vehicle door, which comprises a base, a two fixed vertical rods, two vertical sleeves, bolts, a transverse connecting rod and a support frame, wherein the two fixed vertical rods are fixedly arranged on the base; the vertical sleeves are respectively arranged at the top of each fixed vertical rod; the bolts are respectively inserted into the two vertical sleeves; the transverse connecting rod is fixedly connected with the bolts; the support frame is hinged to the transverse connecting rod and used for mounting and clamping the vehicle door; the supporting frame comprises a main frame body, a support bracket and a support pad; a fine tuning part is arranged between the support pad and the support bracket; a jack and a groove are formed on the base; moving vertical rods are hinged at two sides of the bottom of the main frame body; and the free ends of the moving vertical rods can be inserted into the groove. The device doubles a moving trolley and a rework platform, can be used for flexibly adjusting the supporting height and the supporting position when the vehicle door is mounted and clamped, and is suitable for the vehicle doors in various models. In addition, the manual carrying and supporting for the vehicle door can be avoided so as to reduce the work intensity; and by using the device, the whole dismounting, mounting and reworking process can be operated conveniently, simply, efficiently and accurately.