Constant-temperature multi-angle spraying device of maintenance trolley

The utility model discloses a constant-temperature multi-angle spraying device for a maintenance trolley, which structurally comprises a maintenance trolley body, a trolley body spraying head, a water inlet, a water storage tank, a pressure water injection tank, a trolley bottom spraying regulator, a water outlet pipe, a reinforcing plate and a baffle supporting plate. The power connection blocks are fixedly arranged at the positions of the grooves in the surface of the insulation frame, when the installation midpoints of the correspondingly-arranged contact pipe fittings rotate, the midpoints can be kept unchanged, the power-on shaft is manufactured according to the principle that a coil of the power-on shaft rotates under stress in a magnetic field, and the directions of the two ends of the power-on shaft are controlled according to use requirements after power connection. The movable angle of the supporting frame is changed by changing the movable angle of the supporting frame, the angle of the supporting