Launching platform of unmanned aerial vehicle launching vehicle

The invention belongs to the technical field of unmanned aerial vehicle launching platforms, and particularly relates to a launching platform of an unmanned aerial vehicle launching vehicle, which comprises a launching frame, a rear support and two front support mechanisms are rotatably arranged at the bottom of the launching frame, a through hole and a groove are formed in the launching frame, an ejection mechanism is arranged in the groove, an ejection sliding block is slidably mounted in the through hole, and a launching mechanism is arranged in the ejection sliding block. The ejection sliding block is connected with the ejection mechanism, a cavity is formed in the ejection sliding block, an elastic plate is installed in the cavity in a sliding mode, a stress mechanism is connected to the elastic plate, an unmanned aerial vehicle fixing mechanism is arranged at the top of the ejection sliding block, the unmanned aerial vehicle fixing mechanism comprises a placing strip and two clamping plates, and the pla