Aviation plug wire harness fixing mechanism and aviation plug fixing assembly

The utility model discloses an aviation plug wire harness fixing mechanism, an aviation plug fixing assembly and an aviation plug wire harness fixing mechanism. The aviation plug wire harness fixing mechanism comprises a main support, a first supporting support and a closed support. Wherein a plurality of wire harness slots are formed in the main bracket, the plurality of wire harness slots extendalong the width direction of the main bracket, each wire harness slot is provided with an open end and a closed end, and a first support bracket fixing part is arranged on the baffle plate between every two adjacent wire harness slots; the first supporting bracket comprises a first supporting section and a first connecting section, an included angle is formed between the first supporting sectionand the first connecting section, and the first supporting section is arranged to be used for supporting the aviation plug wire harness; the closed support is arranged to be detachably connected withthe main support so as to c