Composite support structure, construction system, and method

A construction system for a composite support structure, comprising:

• a tunneling machine, configured to excavate a roadway;
• an anchor rod construction apparatus, comprising a temporary support, wherein the temporary support is connected to a first walking mechanism, the first walking mechanism is capable of driving the temporary support to support a top side of the roadway and move forward in a longitudinal direction of the roadway, the temporary support is provided with an arch beam, the arch beam is connected to a moving mechanism, the moving mechanism is connected to an anchor rod drill, and the moving mechanism is capable of driving the anchor rod drill to move along the arch beam, to perform an anchor rod construction on the roadway;
• the temporary support comprises a first support portion and a second support portion, the first walking mechanism comprises a first hydraulic cylinder and a second hydraulic cylinder that are respectively connected to the first support portion and the second support portion, the first hydraulic cylinder and the second hydraulic cylinder are arranged vertically to allow the first support portion and the second support portion to abut against the top side of the roadway, a third hydraulic cylinder is horizontally arranged between the first support portion and the second support portion, the third hydraulic cylinder is configured to drive the first support portion and the second support portion to move forward, and the first support portion and the second support portion are both connected to the arch beam;
• and
• the arch beam is provided with a first rack, the first rack meshes with a first gear, the first gear is connected to an output shaft of a first motor, the first motor is capable of driving the first gear to rotate, under a meshing action of the first rack and the first gear, the first motor is movable along the arch beam, and a motor housing of the first motor is connected to the anchor rod drill to drive the anchor rod drill to move;
• an arc plate construction apparatus, comprising a load bearing platform, wherein the load bearing platform is connected to a second walking mechanism, the second walking mechanism is capable of driving the load bearing platform to move forward in the longitudinal direction of the roadway, a front end of the load bearing platform is connected to a rotating member by a retractable member, the rotating member is connected to a fixing member by a retractable mounting arm, the fixing member is capable of being fixed to an arc plate, and the rotating member is capable of driving the mounting arm to rotate, to mount the arc plate;
• and
• a steel pipe construction apparatus, configured to construct a concrete fill steel tube support, wherein
• during construction of a support structure with the concrete fill steel tube support on an inner side of the arc plate ring, the tunneling machine, the anchor rod construction apparatus, the arc plate construction apparatus, and the steel pipe construction apparatus are arranged in the roadway in sequence, and perform construction synchronously;
• and
• during construction of a support structure with the concrete fill steel tube support on an outside of the arc plate ring, the tunneling machine, the anchor rod construction apparatus, the arc plate construction apparatus, and the steel pipe construction apparatus are arranged in the roadway in sequence, and perform construction synchronously,
• wherein the second walking mechanism comprises a bearing beam, the bearing beam is provided with a plurality of alternately arranged fixed grippers and movable grippers, the fixed grippers and the movable grippers are capable of being fixedly connected to the arc plate, each fixed gripper is connected to the bearing beam by a first lifting member, each movable gripper is fixedly connected to a sliding plate by a second lifting member, the sliding plate is slidably connected to the bearing beam, the sliding plate is rotatably connected to a second gear, the second gear meshes with a second rack fixed on the bearing beam, the sliding plate is fixedly connected to one end of a pushing member, and the other end of the pushing member is fixedly connected to the bearing beam.