Dull and stereotyped dump semi trailer carriage damping device

The utility model discloses a dull and stereotyped dump semi trailer carriage damping device, including mounting bracket, fixing clip, lug and spring shock absorber pole, the inside of mounting bracket is provided with the mounting groove, and mounting groove internally mounted has a hydraulic pump, the fixing clip sets up in the both sides of mounting bracket, and the inside of fixing clip inlaysand have retractable cavity, the door is installed at the rear in carriage, and the top both sides of door install the connecting axle, the lug sets up in retractable cavity's both sides, the top interconnect of spring shock absorber pole and hydraulic pump, and the layer board is installed to the top of spring shock absorber pole. This dull and stereotyped dump semi trailer carriage damping device can carry out even shock attenuation to the semitrailer railway carriage or compartment, makes the absorbing effect better, in addition through the hydraulic pump can with the shrink of spring shock absorber pole in the in