Cable trench punching robot

The invention discloses a cable trench punching robot. The cable trench punching robot comprises two punching devices which are symmetrically arranged, a transverse feeding device which is arranged between the two punching devices and is used for driving the two punching devices to move reversely, and a walking device which is arranged at the bottom of the transverse feeding device; each punching device comprises a vertical side stand column, a height-adjustable upper electric hammer arranged at the upper part of the side stand column and a height-adjustable lower electric hammer arranged at the lower part of the side stand column, a hammer head of the upper electric hammer and a hammer head of the lower electric hammer both vertically face the trench wall of the cable trench, and the side stand column is connected with a feeding device. When punching is conducted, batch punching can be conducted after one-time adjustment, the punching positions of all times are consistent, and therefore the punching precisio