Automatic support device for resisting rock burst in mines

An automatic support device for resisting rock burst in mines, comprising bases symmetrically distributed, sliding frames are slidably connected to the bases, hydraulic rods are fixedly connected to the bases, telescopic ends of the hydraulic rods are fixedly connected to the adjacent sliding frames, brackets are fixedly connected to the sliding frames, the brackets symmetrically distributed are provided with a main support plate, the main support plate is provided with first pushing rods evenly spaced and symmetrically distributed and third pushing rods evenly spaced and symmetrically distributed, the main support plate is fixedly connected to second pushing rods symmetrically distributed and fourth pushing rods symmetrically distributed, the first pushing rods with evenly spaced are communicated with a first oil pipe communicated with the adjacent second pushing rods, the third pushing rods with evenly spaced are communicated with a second oil pipe communicated with the adjacent fourth pushing rods, and telescopic ends of the first pushing rods symmetrically distributed and telescopic ends of the third pushing rods symmetrically distributed are both fixedly connected to upper retaining plates;

• the main support plate is provided with a pressure regulating assembly for adjusting the positions of the first pushing rods and the third pushing rods, the upper retaining plates with equidistant distribution are fixedly connected to a top plate, the second pushing rods and the fourth pushing rods are respectively slidably connected to piston plates, springs are fixedly connected between the second pushing rods and adjacent piston plates, and between the fourth pushing rods and adjacent piston plates;
• and the first pushing rods, the second pushing rods, the third pushing rods, and the fourth pushing rods all contain hydraulic fluid;
• the main support plate is provided with side support plates symmetrically distributed, and the side support plates are fixedly connected with fifth pushing rods symmetrically distributed, telescopic end of the fifth pushing rods symmetrically distributed are jointly fixedly connected to the side support plates, and the fifth pushing rods contain hydraulic fluid;
• the pressure regulating assembly comprises sixth pushing rods with equal spacing and symmetrical distribution, wherein the sixth pushing rods are fixedly connected to the main support plate, the first pushing rods are fixedly connected to telescopic ends of the adjacent sixth pushing rods, the third pushing rods are fixedly connected to the telescopic ends of the adjacent sixth pushing rods, the sixth pushing rods are provided with first chambers and second chambers, the first chambers with equidistant distribution are communicated with a third oil pipe, the third oil pipe is communicated with the adjacent fourth pushing rods, the second chambers with equidistant distribution are communicated with a fourth oil pipe, the fourth oil pipe is communicated with the adjacent second pushing rods, and both the first pushing rods and the third pushing rods are in a sliding fit with the main support plate.