Designed for large-section double-tunnel excavation technology with a width of 5~7 meters and a height of 4~6 meters;
Product features:
① Designed for large-section double-tunnel excavation technology with a width of 5~7 meters and a height of 4~6 meters;
② The unit is equipped with four drill arm devices, which are arranged in the front two and rear two modes according to their functions, and can carry out all-round roof, side wall anchor and anchor cable construction operations;
③ Through the overall up and down lifting and left and right translation of the front drill arm device and the multi-angle rotation of the two drilling propulsion mechanisms, all-round roof, side wall anchor and anchor cable hole construction operations can be carried out, and head-on blastholes and detection holes can be constructed at the same time;
④ Through the left and right rotation, up and down lifting and forward and backward telescopic adjustment of the rear drill arm device and the multi-angle rotation of the two drilling propulsion mechanisms, the delayed side wall anchor holes and top anchor cable holes are mainly supplemented;
⑤ An independently liftable working platform is provided to meet the construction requirements of different tunnel heights and facilitate the operation of operators.
