Hydraulic collapsible rotary stand for wireline coring underground drill rig

A hydraulic collapsible rotary stand for a wireline coring underground drill rig, comprising two main hydraulic supporting posts, at least one hydraulic post erection cylinder, a collapsible stand base, a horizontal rotating base, and a rotary lifting cylinder, wherein

• the horizontal rotating base is located under the collapsible stand base;
• the rotary lifting cylinder is located at a center of the horizontal rotating base;
• a cylinder body of the rotary lifting cylinder is fixedly connected to the collapsible stand base;
• the rotary lifting cylinder drives the collapsible stand base to move up or down;
• and the collapsible stand base is configured to rotate around the center of the horizontal rotating base;
• two post mounting rods are hinged at a front side of the collapsible stand base;
• each of the two post mounting rods is connected to one of the two main hydraulic supporting posts;
• a main post supporting cross-bar is provided between lower portions of the two main hydraulic supporting posts;
• two ends of the main post supporting cross-bar are respectively fixedly connected to the corresponding main hydraulic supporting posts;
• a first end of the hydraulic post erection cylinder is connected to the main post supporting cross-bar, and a second end of the hydraulic post erection cylinder is connected to a rear side of the collapsible stand base;
• and through the hydraulic post erection cylinder, the main hydraulic supporting posts are pushed to be erected or collapsed;
• and
• a hydraulic gyration supporting beam is provided between the two main hydraulic supporting posts;
• the hydraulic gyration supporting beam is connected to a lower sliding plate;
• and the lower sliding plate is provided with a drill rig.