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CN-224214199-U - Tunneling shield equipment for coal mine exploitation

CN224214199UCN 224214199 UCN224214199 UCN 224214199UCN-224214199-U

Abstract

The utility model discloses tunneling shield equipment for coal mine exploitation, which comprises a vehicle body, wherein a bearing block is fixedly connected to the top of the vehicle body, shield components are arranged on the side edges of the bearing block, a plurality of support components are arranged on two sides of a walking component, each support component comprises a support I and a support II, one ends of the support I and the support II are respectively and rotatably connected with a fixed seat, the other ends of the support I and the support II are respectively and rotatably connected with a movable frame, the bottom of the movable frame is rotatably connected with a rotary seat, the bottom of the rotary seat is fixedly connected with a supporting plate, and the side edges of the movable frames are provided with electric pushers.

Inventors

  • WANG YANCHUN
  • LI PENGCHANG
  • WANG XIAOBING

Assignees

  • 平顶山天安煤业股份有限公司五矿

Dates

Publication Date
20260508
Application Date
20250522

Claims (8)

  1. 1. The tunneling shield equipment for coal mine exploitation comprises a vehicle body (1) and is characterized in that walking components are arranged on two sides of the vehicle body (1), a bearing block (2) is fixedly connected to the top of the vehicle body (1), shield components are arranged on the side edges of the bearing block (2), and a plurality of supporting components are arranged on two sides of the walking components; The support assembly comprises a first support (10) and a second support (13), wherein one ends of the first support (10) and the second support (13) are respectively and rotatably connected with a fixed seat (11), the side walls of the fixed seats (11) are respectively and fixedly connected with the outer wall of the walking assembly, the other ends of the first support (10) and the second support (13) are respectively and rotatably connected with a movable frame (14), the bottom of the movable frame (14) is rotatably connected with a rotary seat (15), the bottom of the rotary seat (15) is fixedly connected with a supporting plate (16), the side edges of the movable frame (14) are provided with electric pushers (12), the bottom of each electric pusher (12) is rotatably connected with the outer wall of the walking assembly, and the output end of each electric pusher (12) is rotatably connected with the top of the movable frame (14).
  2. 2. The tunneling shield equipment for coal mine exploitation according to claim 1, wherein the walking assembly comprises crawler wheels (4), the crawler wheels (4) are located on the left side and the right side of the vehicle body (1), side guard plates (3) are arranged on the side edges of the crawler wheels (4), and the side walls of the side guard plates (3) are fixedly connected to the side walls of the vehicle body (1).
  3. 3. The tunneling shield equipment for coal mine exploitation according to claim 1, wherein the shield assembly comprises a fixed plate (8), a fixed frame (7) is fixedly connected to the bottom of the fixed plate (8), a fixed block (5) is arranged on the side edge of the fixed plate (8), the bottom of the fixed block (5) is fixedly connected to the top of the bearing block (2), and the side wall of the fixed plate (8) is rotatably connected to the side wall of the fixed block (5).
  4. 4. A tunneling shield device for coal mine exploitation according to claim 3 is characterized in that the bottom of the fixing plate (8) is provided with a hydraulic device (6) which is bilaterally symmetrical, the bottom of the hydraulic device (6) is rotatably connected inside the car body (1), and the output end of the hydraulic device (6) is rotatably connected at the bottom of the fixing frame (7).
  5. 5. The tunneling shield equipment for coal mine exploitation according to claim 4, wherein a plurality of buffer pads (17) are fixedly connected to the top of the fixing plate (8), the buffer pads (17) are distributed in a rectangular array, locking holes (18) which are symmetrical in front and back are formed in the outer walls of the two sides of the fixing plate (8), and the shield plate (9) is connected to the top of the fixing plate (8) in a sliding mode.
  6. 6. A tunneling shield device for coal mine exploitation according to claim 5, wherein the two sides of the inside of the shield plate (9) are provided with locking columns (20) which are symmetrical in front and back, the positions of the locking columns (20) are consistent with the positions of the locking holes (18), one ends of the locking columns (20) are fixedly connected with pull handles (19), and the pull handles (19) are positioned on the outer wall of the shield plate (9).
  7. 7. A tunneling shield apparatus for coal mine exploitation according to claim 6, wherein the outer walls of the locking posts (20) are fixedly connected with limiting blocks (21), and the outer walls of the limiting blocks (21) are slidably connected inside the shield plates (9).
  8. 8. A tunneling shield device for coal mine exploitation according to claim 7, wherein limiting springs (22) are sleeved on the outer walls of the locking columns (20), one ends of the limiting springs (22) are fixedly connected to the side walls of the limiting blocks (21), and the other ends of the limiting springs (22) are fixedly connected to the inside of the shield plates (9).

Description

Tunneling shield equipment for coal mine exploitation Technical Field The invention relates to the technical field of tunneling shield equipment, in particular to tunneling shield equipment for coal mine exploitation. Background In the coal mining process, tunneling shield equipment is key equipment for guaranteeing operation safety and efficiency. The underground mining device is required to provide reliable roof support and equipment protection for mining operation in complex and changeable underground environments, prevent roof collapse and other accidents, ensure the safety of workers and equipment, and simultaneously create stable operation space for continuous pushing of coal mining. Currently, conventional rigid support structures and fixed protection plate designs are mostly adopted for tunneling shield equipment for coal mine exploitation. The rigid supporting structure is usually composed of fixed upright posts and top beams, and is fixed in a roadway through mechanical connection, the vertical supporting force of the upright posts is utilized to bear the pressure of a top plate, and the fixed protection plate is arranged on equipment in a welding or bolt fixing mode to protect an operation area. However, the existing tunneling shield equipment has obvious defects in practical application. Traditional rigid supporting structure is difficult to adapt to complicated changeable geological conditions, when meeting roof fluctuation or slope, can't nimble adjustment support angle and position, leads to equipment touchdown area limited, and supporting stability is not enough, can appear local atress uneven even whole unstability's condition, and the very big threat is colliery mining operation's safety and reliability, and simultaneously, fixed guard plate need carry out loaded down with trivial details welding cutting or bolt dismouting operation with the help of a large amount of instruments when dismantling and maintaining, and the process is complicated consuming time, seriously influences equipment maintenance efficiency, has increased maintenance cost and operation dwell time. Disclosure of utility model In order to make up for the defects, the utility model provides tunneling shield equipment for coal mine exploitation, and aims to solve the problem of insufficient equipment support stability in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The tunneling shield equipment for coal mine exploitation comprises a vehicle body, wherein walking components are arranged on two sides of the vehicle body, a bearing block is fixedly connected to the top of the vehicle body, shield components are arranged on the side edges of the bearing block, and a plurality of supporting components are arranged on two sides of the walking components; The support assembly comprises a first support and a second support, wherein the first support and the second support are respectively connected with a fixing seat in a rotating mode, the side walls of the fixing seats are respectively fixedly connected with the outer wall of the walking assembly, the first support and the second support are respectively connected with a movable frame in a rotating mode, the bottom of the movable frame is connected with a rotating seat in a rotating mode, the bottom of the rotating seat is fixedly connected with a supporting plate, the side edge of the movable frame is provided with an electric pusher, the bottom of the electric pusher is connected with the outer wall of the walking assembly in a rotating mode, and the output end of the electric pusher is connected inside the top of the movable frame in a rotating mode. As a further description of the above technical solution: The walking assembly comprises crawler wheels, the crawler wheels are located on the left side and the right side of the vehicle body, side guard plates are arranged on the side edges of the crawler wheels, and the side guard plate side walls are fixedly connected with the side walls of the vehicle body. As a further description of the above technical solution: The shield assembly comprises a fixing plate, the bottom of the fixing plate is fixedly connected with a fixing frame, fixing blocks are arranged on the side edges of the fixing plate, the bottom of the fixing blocks is fixedly connected to the top of the bearing block, and the side walls of the fixing plate are rotationally connected to the side walls of the fixing blocks. As a further description of the above technical solution: The bottom of the fixing plate is provided with a hydraulic device which is bilaterally symmetrical, the bottom of the hydraulic device is rotationally connected inside the vehicle body, and the output end of the hydraulic device is rotationally connected to the bottom of the fixing frame. As a further description of the above technical solution: The fixed plate top fixedly connected with a plurality of blotters, th