Portable drilling device for engineering geological exploration

The utility model discloses a portable drilling device for engineering geological exploration, which comprises an upper box body and an inner box, a first hydraulic pump is mounted at the upper end inthe upper box body, the inner box is connected and mounted below the first hydraulic pump, a transmission belt is arranged in the inner box, a gear is connected and mounted in the transmission belt,and the gear is connected and mounted in the inner box. A transmission shaft penetrates through the gear, a first motor is connected and installed at one end of the transmission shaft, a second motoris connected and installed on the lower surface of the transmission belt, the second motor penetrates through the lower surface of the inner box, and a drill bit is connected to the lower portion of the second motor. According to the portable drilling device for engineering geological exploration, the supporting plates can slide up and down to adjust the height of the whole device, the four supporting plates can be adjusted