Wiring harness support of heavy truck

The utility model belongs to the technical field of engineering vehicles, and discloses a heavy truck wire harness support which comprises a support body (1), a support pressing plate (2), a locknut (4) and a bolt (5). The support body (1) is of a C-shaped plate-shaped structure with a rightward opening. The bottom of the support pressing plate (2) is hinged to the upper surface of a bottom plate of the support body (1), the top of the support pressing plate (2) is arranged to be an arc face, a through hole in the left-right direction is formed in the middle of the support pressing plate (2), and the threaded end of the bolt (5) sequentially penetrates through a side plate of the support body (1) and the through hole of the support pressing plate (2) to be fixedly connected with the lock nut (4). The fixing device is convenient to install, large in adjusting range, capable of being installed on beams with different thicknesses, movable in fixing position and high in universality. 本实用新型属于工程车辆技术领域，公开了一种重型卡车线束支架