Advanced support device for mining roadway

Abstract

The invention relates to a mining roadway advance support device, and relates to the technical field of coal mining, the mining roadway advance support device comprises a moving frame, a first support assembly, a second support assembly and a moving part, the moving frame is horizontally arranged, the first support assembly is located on the moving frame and used for preliminarily supporting a mining roadway, and the second support assembly is located on the moving part. The second supporting assembly is located on one side of the moving frame and used for conducting secondary supporting on the mining roadway, and the moving part is located on one side of the moving frame and used for driving the second supporting assembly to move. The method has the effect of improving the working efficiency of the forepoling of the mining roadway.

Description

Technical Field

[0001] The present application relates to the technical field of coal mining, and in particular to an advance support device for a mining tunnel. Background Art

[0002] The advance support device for mining tunnels refers to the equipment used to support the tunnels in advance during the mining process to prevent the tunnel surrounding rock from being deformed and damaged due to stress. The advance support device for mining tunnels is used to strengthen the bearing capacity of the surrounding rock, stabilize the tunnel surrounding rock, and ensure the safety of workers and smooth production.

[0003] At present, general advance support devices for mining tunnels usually drill holes in the mining tunnels to install anchor rods, which are used to increase the supporting area of ​​the surrounding rock mass, thereby supporting the mining tunnels.

[0004] During use, as the coal mining face continues to move forward, operators are required to frequently install fixed anchor rods, resulting in low work efficiency. Summary of the invention

[0005] In order to improve the working efficiency of advance support of mining tunnels, the present application provides an advance support device for mining tunnels.

[0006] The present application provides an advance support device for a mining tunnel, which adopts the following technical solution: A mining tunnel advance support device comprises a mobile frame, a first support assembly, a second support assembly and a moving part. The mobile frame is horizontally arranged. The first support assembly is located on the mobile frame and is used for preliminary support of the mining tunnel. The second support assembly is located on one side of the mobile frame and is used for secondary support of the mining tunnel. The moving part is located on one side of the mobile frame and is used to drive the second support assembly to move.

[0007] By adopting the above technical solution, when in use, the operator moves the mobile frame into the mining tunnel, and the first support assembly provides preliminary support for the mining tunnel. When the coal mining face moves forward, the mobile part drives the second support assembly to move, so that the second support assembly approaches the coal mining face, and the second support provides secondary support for the mining tunnel, so that the operator does not need to frequently install fixed support devices, thereby improving the work efficiency of advanced support of the mining tunnel.

[0008] Optionally, a controller is provided on the mobile frame, and the first support assembly includes a first hydraulic cylinder and a second hydraulic cylinder, the first hydraulic cylinder is vertically arranged on one side of the mobile frame and is electrically connected to the controller, and the second hydraulic cylinder is vertically arranged on a side of the mobile frame away from the first hydraulic cylinder and is electrically connected to the controller.

[0009] By adopting the above technical solution, after the mobile frame moves to the mining tunnel, the operator controls the operation of the first hydraulic cylinder and the second hydraulic cylinder through the controller. The first hydraulic cylinder and the second hydraulic cylinder support both sides of the mining tunnel, making the support device easy to operate.

[0010] Optionally, a first universal wheel is fixedly connected to the bottom of the movable frame, a screw rod is vertically arranged on the movable frame, and the screw rod is threadedly connected to the movable frame.

[0011] By adopting the above technical solution, when in use, the operator pushes the mobile frame into the mining tunnel, and fixes the mobile frame into the mining tunnel by rotating the screw, so that the support device is not easily displaced.

[0012] Optionally, the second support assembly includes a sliding plate, a third hydraulic cylinder and a fourth hydraulic cylinder, the sliding plate is horizontally arranged on one side of the moving frame, the third hydraulic cylinder is vertically arranged on one side of the moving frame and is electrically connected to the controller, the fourth hydraulic cylinder is vertically arranged on a side of the moving frame away from the third hydraulic cylinder and is electrically connected to the controller; the moving member is electrically connected to the controller. The moving member is used to drive the third hydraulic cylinder to move.

[0013] By adopting the above technical solution, when the coal mining face moves forward, the operator controls the moving part to work through the controller, the moving part drives the third hydraulic cylinder to move forward, the controller controls the third hydraulic cylinder and the fourth hydraulic cylinder to work, the third hydraulic cylinder and the fourth hydraulic cylinder provide secondary support to both sides of the mining tunnel, so that the mining tunnel advance support device does not need to be frequently installed and disassembled, thereby improving the work efficiency of the mining tunnel advance support.

[0014] Optionally, the second support assembly also includes a support plate and a driving unit; the support plate is located on one side of the first hydraulic cylinder; the driving unit is located on one side of the first hydraulic cylinder and is used to drive the support plate to rotate; a motor is horizontally arranged on the movable end of the first hydraulic cylinder, the motor is electrically connected to the controller, and the motor is used to drive the driving unit to rotate; a first limit plate is horizontally arranged on the movable end of the second hydraulic cylinder, and the first limit plate is fixedly connected to the movable end of the second hydraulic cylinder; a second limit plate is horizontally arranged on the movable end of the fourth hydraulic cylinder, and the second limit plate is fixedly connected to the movable end of the fourth hydraulic cylinder.

[0015] By adopting the above technical solution, after the mobile frame moves to the mining tunnel, the operator controls the first hydraulic cylinder to work through the controller. After the first hydraulic cylinder supports one side of the mining tunnel, the controller controls the motor to work, the motor drives the driving part to rotate, and the driving part drives the support plate to rotate. After the support plate abuts against the top of the mining tunnel, the controller controls the second hydraulic cylinder to work, the second hydraulic cylinder supports one side of the mining tunnel, and the first limit plate abuts against the bottom of the support plate, so that the support plate is not easy to fall off, thereby making the advanced support of the mining tunnel more stable.

[0016] Optionally, the driving part includes a driving telescopic rod and a first multi-stage telescopic rod, the driving telescopic rod is horizontally arranged, and the movable end is inserted into the support plate, and the fixed end of the driving telescopic rod is fixedly connected to the output shaft of the motor; a first clamping slot is provided on the support plate, the first multi-stage telescopic rod is horizontally arranged, and the movable end is fixedly connected to the movable end of the third hydraulic cylinder, the fixed end of the first multi-stage telescopic rod is fixedly connected to a connecting block at one end away from the movable end, a second clamping slot is provided on the connecting block, and the movable end of the driving telescopic rod is fixedly connected with a first clamping block and a second clamping block, the first clamping block is located in the first clamping slot and is slidably connected to the support plate.

[0017] By adopting the above technical solution, when the motor rotates, the output shaft of the motor drives the telescopic rod to rotate, and the telescopic rod drives the support plate to rotate. When the first limit plate abuts against the bottom of the support plate, the movable end of the telescopic rod extends, and the movable end of the telescopic rod drives the first card block to slide out of the first card slot, and the second card block slides into the second card slot, so that when the motor rotates, the support plate at the top of the mining tunnel is not easy to rotate, thereby improving the stability of the support device.

[0018] Optionally, a driving assembly is provided on a side of the first hydraulic cylinder close to the third hydraulic cylinder, and the driving assembly includes a control telescopic rod and a second multi-stage telescopic rod; the control telescopic rod is horizontally arranged on one side of the first hydraulic cylinder, and the fixed end is fixedly connected to the fixed end of the first hydraulic cylinder, a first connecting rod is vertically arranged on the movable end of the control telescopic rod, the first connecting rod is fixedly connected to the movable end of the control telescopic rod, an end of the first connecting rod away from the control telescopic rod is fixedly connected to a first limiting ring, the first limiting ring is sleeved on the movable end of the driving telescopic rod, and is rotatably connected to the movable end of the driving telescopic rod; the second multi-stage telescopic rod is horizontally arranged on one side of the control telescopic rod, and the fixed end is fixedly connected to the movable end of the control telescopic rod, a second connecting rod is vertically arranged on the fixed end of the second multi-stage telescopic rod, the second connecting rod is fixedly connected to the fixed end of the second multi-stage telescopic rod, an end of the second connecting rod away from the second multi-stage telescopic rod is fixedly connected to a second limiting ring, the second limiting ring is sleeved on the fixed end of the first multi-stage telescopic rod, and is rotatably connected to the first multi-stage telescopic rod.

[0019] By adopting the above technical solution, when the movable part drives the third cylinder to move in a direction away from the first cylinder, the spring in the rodless cavity of the telescopic rod is driven to reset, the movable end of the telescopic rod is driven to extend, and the movable end of the telescopic rod drives the controlled telescopic rod to extend. After the controlled telescopic rod stops working, the second multi-stage telescopic rod extends, and the second multi-stage telescopic rod drives the first multi-stage telescopic rod to extend, so that the support plate at the top of the mining tunnel is not easy to rotate when the second support assembly moves.

[0020] Optionally, the driving assembly also includes a second multi-stage electric telescopic rod, which is horizontally arranged on one side of the third hydraulic cylinder, and the fixed end is fixedly connected to the fixed end of the third hydraulic cylinder; the second support assembly and the driving assembly are arranged in multiple groups along the direction away from the first hydraulic cylinder, and two adjacent second support assemblies are connected by the second multi-stage electric telescopic rod.

[0021] By adopting the above technical solution, when the coal mining face moves forward, the second multi-stage electric telescopic rod works, the second multi-stage electric telescopic rod drives the second support assembly to move forward, and the movable end of the driving telescopic rod drives the first card block to slide out of the first card slot, and the second card block slides to the second card slot. The motor rotates to drive the first multi-stage telescopic rod to rotate, and the first multi-stage telescopic rod drives the support plate in the next group of second support assemblies to rotate, so that when the coal mining face moves forward, there is no need to frequently disassemble and install the support device, and the support device can be adjusted according to the coal mining face, thereby improving the work efficiency of the advance support of the mining tunnel.

[0022] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting up multiple sets of second support components, it is not necessary to frequently disassemble and install the support device when the coal mining face moves forward; 2. By setting up a driving assembly, the support plates in the multiple support assemblies can be rotated according to the working state of the second multi-stage telescopic rod, so that the support plates are easy to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application; Figure 2 is a cross-sectional view of an embodiment of the present application; Figure 3 yes Figure 2 A partial enlarged view of point A in the middle.

[0024] Description of reference numerals: 1, mobile frame; 11, controller; 12, first universal wheel; 13, screw; 2, first support assembly; 21, first hydraulic cylinder; 211, motor; 22, second hydraulic cylinder; 221, first limit plate; 3, second support assembly; 31, sliding plate; 311, second universal wheel; 32, third hydraulic cylinder; 33, fourth hydraulic cylinder; 331, second limit plate; 34, support plate; 341, first slot; 35, drive unit; 351, Driving telescopic rod; 3511, first clamping block; 3512, second clamping block; 3513, spring; 352, first multi-stage telescopic rod; 3521, connecting block; 3522, second clamping slot; 4, moving part; 41, first multi-stage electric telescopic rod; 5, driving assembly; 51, controlling telescopic rod; 511, first connecting frame; 512, first limiting ring; 52, second multi-stage telescopic rod; 521, second connecting rod; 522, second connecting ring; 53, second multi-stage electric telescopic rod. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-3 This application is described in further detail.

[0026] The present application embodiment discloses an advance support device for a mining tunnel. Figure 1 , a mining tunnel advance support device comprises a mobile frame 1, a first support assembly 2, a second support assembly 3, a mobile member 4 and a driving assembly 5. The mobile frame 1 is horizontally arranged, and the first support assembly 2 is located on the mobile frame 1 and is used for preliminary support of the mining tunnel. The second support assembly 3 is located on one side of the mobile frame 1 and is used for secondary support of the mining tunnel. The mobile member 4 is located on one side of the mobile frame 1 and is used to drive the second support assembly 3 to move; the driving assembly 5 is located on one side of the mobile frame 1.

[0027] Reference Figure 1The mobile frame 1 is in the shape of a rectangular plate, a controller 11 is fixedly connected to the top of the mobile frame 1, two first universal wheels 12 are arranged at the bottom of the mobile frame 1, and the first universal wheels 12 are located at both sides of the mobile frame 1. A screw rod 13 is vertically arranged on the mobile frame 1, the screw rod 13 is threadedly connected to the mobile frame 1, and a plurality of screw rods 13 are arranged along the length direction of the mobile frame 1.

[0028] The first support assembly 2 includes a first hydraulic cylinder 21 and a second hydraulic cylinder 22. The first hydraulic cylinder 21 is vertically arranged on one side of the mobile frame 1 and is electrically connected to the controller 11. A motor 211 is horizontally arranged on the movable end of the first cylinder, and the motor 211 is electrically connected to the controller 11. The second hydraulic cylinder 22 is vertically arranged on one side of the mobile frame 1 away from the first hydraulic cylinder 21 and is electrically connected to the controller 11. A first limit plate 221 is fixedly connected to one side of the fixed end of the second hydraulic cylinder 22. The first limit plate 221 is in the shape of a rectangular plate and is arranged horizontally.

[0029] During use, the operator moves the mobile frame 1 into the mining tunnel, and the operator controls the first hydraulic cylinder 21 to work through the controller 11. After the first hydraulic cylinder 21 supports one side of the mining tunnel, the driving unit 35 drives the support plate 34 to rotate. After the support plate 34 abuts against the mining tunnel, the controller 11 controls the second hydraulic cylinder 22 to work, and the second hydraulic cylinder 22 supports one side of the mining tunnel, and the first limit plate 221 abuts against the bottom of the support plate 34.

[0030] Reference Figure 1 and Figure 2 , the second support group 3 is arranged in multiple groups along the length direction of the mining tunnel, and the second support group 3 includes a sliding plate 31, a third hydraulic cylinder 32, a fourth hydraulic cylinder 33, a support plate 34, and a driving unit 35. The sliding plate 31 is in the shape of a rectangular plate and is horizontally arranged on one side of the mobile frame 1. Two second universal wheels 311 are arranged at the bottom of the sliding plate 31, and the second universal wheels 311 are located on both sides of the sliding frame. The third hydraulic cylinder 32 is vertically arranged on one side of the sliding frame and is electrically connected to the controller 11. The fourth hydraulic cylinder 33 is vertically arranged on the side of the mobile frame 1 away from the third hydraulic cylinder 32, and is electrically connected to the controller 11. A second limit plate 331 is fixedly connected to one side of the fixed end of the fourth hydraulic cylinder 33, and the second limit plate 331 is in the shape of a rectangular plate and is arranged horizontally. The support plate 34 is in the shape of a rectangular plate and is located on one side of the first hydraulic cylinder 21. A first card slot 341 is opened on the support plate 34, and the first card slot 341 is in the shape of a rectangular slot.

[0031] When the coal mining face moves forward, the operator controls the moving part 4 to work through the controller 11, and the moving part 4 drives the third hydraulic cylinder 32 to move forward. The controller 11 controls the third hydraulic cylinder 32 to work. After the third hydraulic cylinder 32 supports one side of the mining roadway, the driving unit 35 drives the support plate 34 close to the third hydraulic cylinder 32 to rotate. After the support plate 34 close to the third hydraulic cylinder 32 abuts against the mining roadway, the controller 11 controls the second hydraulic cylinder 22 to work. The second hydraulic cylinder 22 supports one side of the mining roadway, and the second limit plate 331 abuts against the bottom of the support plate 34 close to the third hydraulic cylinder 32, thereby improving the working efficiency of the advanced support of the mining roadway.

[0032] Reference Figure 1 and Figure 3 The driving part 35 includes a driving telescopic rod 351 and a first multi-stage telescopic rod 352. The driving telescopic rod 351 is horizontally arranged, and the fixed end is fixedly connected to the output shaft of the motor 211. The movable end of the driving telescopic rod 351 is inserted on the supporting plate 34, and the movable end is fixedly connected with a first clamping block 3511 and a second clamping block 3512. The first clamping block 3511 is in a rectangular block shape and is horizontally arranged in the first clamping groove 341. The first clamping block 3511 is slidably connected with the supporting plate 34 along the length direction of the driving telescopic rod 351. The second clamping block 3512 is in a rectangular block shape and is horizontally arranged. The second clamping block 3512 is located on the side of the first clamping block 3511 away from the driving telescopic rod 351.

[0033] Reference Figure 2 and Figure 3 A spring 3513 is horizontally arranged in the fixed end of the driving telescopic rod 351, and the two ends of the spring 3513 are respectively fixedly connected to the fixed end of the driving telescopic rod 351 and the rod cavity of the driving telescopic rod 351. The first multi-stage telescopic rod 352 is arranged horizontally, and the movable end is fixedly connected to the movable end of the third hydraulic cylinder 32. The fixed end of the first multi-stage telescopic rod 352 is fixedly connected to a connecting block 3521 at one end away from the movable end. The connecting block 3521 is in a rectangular block shape and is arranged vertically. The connecting block 3521 is provided with a second slot 3522, and the second slot 3522 is in a rectangular slot shape.

[0034] After the first hydraulic cylinder 21 supports one side of the mining tunnel, the controller 11 controls the motor 211 to work, and the output shaft of the motor 211 drives the telescopic rod 351 to rotate, and the telescopic rod 351 drives the support plate 34 to rotate. When the operator controls the moving part 4 to work through the controller 11, the movable end of the telescopic rod 351 is extended, and the movable end of the telescopic rod 351 drives the first clamping block 3511 to slide out of the first clamping groove 341, and the second clamping block 3512 slides to the second clamping groove 3522. The rotation of the motor 211 drives the first multi-stage telescopic rod 352 to rotate, and the first multi-stage telescopic rod 352 drives the support plate 34 in the next group of the second support group 3 to rotate, thereby improving the working efficiency of the advanced support of the mining tunnel.

[0035] Reference Figure 1 The mobile frame 1 is a first multi-stage electric telescopic rod 41, which is horizontally arranged, and the fixed end is fixedly connected to the fixed end of the first hydraulic cylinder 21, the movable end of the first multi-stage electric telescopic rod 41 is fixedly connected to the fixed end of the third hydraulic cylinder 32, and the first multi-stage electric telescopic rod 41 is electrically connected to the controller 11.

[0036] Reference Figure 1 and Figure 2 The driving assembly 5 is provided with multiple groups along the length direction of the mining tunnel, and the driving assembly 5 includes a control telescopic rod 51, a second multi-stage telescopic rod 52 and a second multi-stage electric telescopic rod 53. The control telescopic rod 51 is horizontally arranged and located on the side of the first hydraulic cylinder 21 close to the third hydraulic cylinder 32, and the fixed end of the control telescopic rod 51 is fixedly connected to the fixed end of the first hydraulic cylinder 21.

[0037] Reference Figure 2 and Figure 3 A first connecting rod is vertically arranged on the movable end of the control telescopic rod 51. The first connecting rod is in the shape of a rectangular rod and is fixedly connected to the movable end of the control telescopic rod 51. A first limiting ring 512 is fixedly connected to one end of the first connecting rod away from the control telescopic rod 51. The first limiting ring 512 is in the shape of a circular ring and is sleeved on the movable end of the driving telescopic rod 351. The first limiting ring 512 is rotatably connected to the movable end of the driving telescopic rod 351.

[0038] The second multi-stage telescopic rod 52 is horizontally arranged on one side of the control telescopic rod 51, and the fixed end is fixedly connected to the movable end of the control telescopic rod 51. A second connecting rod 521 is vertically arranged on the fixed end of the second multi-stage telescopic rod 52. The second connecting rod 521 is in the shape of a rectangular rod and is fixedly connected to the fixed end of the second multi-stage telescopic rod 52. The second connecting rod 521 is fixedly connected to the second limiting ring at one end away from the second multi-stage telescopic rod 52. The second limiting ring is in the shape of a circular ring and is sleeved on the fixed end of the first multi-stage telescopic rod 352. The second limiting ring is rotatably connected to the first multi-stage telescopic rod 352. The second multi-stage electric telescopic rod 53 is horizontally arranged on the side of the third hydraulic cylinder 32 away from the first hydraulic cylinder 21, and the fixed end is fixedly connected to the fixed end of the third hydraulic cylinder 32. Two adjacent second support groups 3 are connected through the second multi-stage electric telescopic rod 53.

[0039] When the first limit plate 221 abuts against the bottom of the support plate 34, the operator controls the first multi-stage electric telescopic rod 41 to work through the controller 11, and the first multi-stage electric telescopic rod 41 drives the third cylinder to move in a direction away from the first cylinder, driving the spring 3513 in the rodless cavity of the telescopic rod 351 to reset, and the active end of the driving telescopic rod 351 drives the active end of the control telescopic rod 51 to extend. After the control telescopic rod 51 stops working, the second multi-stage telescopic rod 52 extends, and the second multi-stage telescopic rod 52 drives the first multi-stage telescopic rod 352 to extend. When the coal mining face continues to move forward, the second multi-stage electric telescopic rod 53 works, driving the next group of drive components 5 to work, so that the working efficiency of the advanced support of the mining tunnel is improved.

[0040] The implementation principle of the advance support device for a mining tunnel in the embodiment of the present application is as follows: When in use, the operator moves the mobile frame 1 into the mining tunnel, and the operator controls the first hydraulic cylinder 21 to work through the controller 11. After the first hydraulic cylinder 21 supports one side of the mining tunnel, the controller 11 controls the motor 211 to work, and the output shaft of the motor 211 drives the telescopic rod 351 to rotate, and the telescopic rod 351 drives the support plate 34 to rotate. After the support plate 34 abuts against the mining tunnel, the controller 11 controls the second hydraulic cylinder 22 to work, and the second hydraulic cylinder 22 supports one side of the mining tunnel, and the first limit plate 221 abuts against the bottom of the support plate 34. When the coal mining face moves forward, the operator controls the first multi-stage electric telescopic rod 41 to work through the controller 11, and the first multi-stage electric telescopic rod 41 drives the third hydraulic cylinder 32 to move forward, and the movable end of the telescopic rod 351 is extended, and the movable end of the telescopic rod 351 drives the first clamping block 3511 to slide out of the first clamping groove 341, and the second clamping block 3512 slides into the second clamping groove 3522.

[0041] When the first multi-stage electric telescopic rod 41 stops working, the controller 11 controls the third hydraulic cylinder 32 to work, the third hydraulic cylinder 32 supports one side of the mining roadway, the motor 211 rotates to drive the first multi-stage telescopic rod 352 to rotate, the first multi-stage telescopic rod 352 drives the support plate 34 in the next group of the second support group 3 to rotate, and after the support plate 34 abuts against the mining roadway, the controller 11 controls the second hydraulic cylinder 22 to work, the second hydraulic cylinder 22 supports one side of the mining roadway, and the second limit plate 331 abuts against the bottom of the support plate 34. When the coal mining face continues to move forward, the second multi-stage electric telescopic rod 53 works, driving the next group of drive components 5 to work, so that the working efficiency of the advanced support of the mining roadway is improved.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mining tunnel advance support device, characterized in that: The invention comprises a movable frame (1), a first support assembly (2), a second support assembly (3) and a movable member (4), wherein the movable frame (1) is arranged horizontally, the first support assembly (2) is located on the movable frame (1) and is used for providing primary support to a mining tunnel, the second support assembly (3) is located on one side of the movable frame (1) and is used for providing secondary support to the mining tunnel, and the movable member (4) is located on one side of the movable frame (1) and is used for driving the second support assembly (3) to move.

2. The mining tunnel advance support device according to claim 1, characterized in that: The mobile frame (1) is provided with a controller (11); the first support assembly (2) comprises a first hydraulic cylinder (21) and a second hydraulic cylinder (22); the first hydraulic cylinder (21) is vertically arranged on one side of the mobile frame (1) and is electrically connected to the controller (11); the second hydraulic cylinder (22) is vertically arranged on a side of the mobile frame (1) away from the first hydraulic cylinder (21) and is electrically connected to the controller (11).

3. The mining tunnel advance support device according to claim 1, characterized in that: A first universal wheel (12) is fixedly connected to the bottom of the mobile frame (1), a screw rod (13) is vertically arranged on the mobile frame (1), and the screw rod (13) is threadedly connected to the mobile frame (1).

4. The advance support device for mining tunnel according to claim 2 is characterized in that: The second support assembly (3) comprises a sliding plate (31), a third hydraulic cylinder (32) and a fourth hydraulic cylinder (33); the sliding plate (31) is horizontally arranged on one side of the moving frame (1); the third hydraulic cylinder (32) is vertically arranged on one side of the moving frame and is electrically connected to the controller (11); the fourth hydraulic cylinder (33) is vertically arranged on a side of the moving frame (1) away from the third hydraulic cylinder (32) and is electrically connected to the controller (11); the moving member (4) is electrically connected to the controller (11). The moving member (4) is used to drive the third hydraulic cylinder (32) to move.

5. The advance support device for mining tunnel according to claim 4, characterized in that: The second support assembly (3) further comprises a support plate (34) and a driving unit (35); the support plate (34) is located on one side of the first hydraulic cylinder (21); the driving unit (35) is located on one side of the first hydraulic cylinder (21) and is used to drive the support plate (34) to rotate; a motor (211) is horizontally arranged on the movable end of the first hydraulic cylinder (21), the motor (211) is electrically connected to the controller (11), and the motor (211) is used to drive the driving unit (35) to rotate; a first limit plate (221) is horizontally arranged on the movable end of the second hydraulic cylinder (22), and the first limit plate (221) is fixedly connected to the movable end of the second hydraulic cylinder (22); a second limit plate (331) is horizontally arranged on the movable end of the fourth hydraulic cylinder (33), and the second limit plate (331) is fixedly connected to the movable end of the fourth hydraulic cylinder (33).

6. The mining tunnel advance support device according to claim 5, characterized in that: The driving part (35) comprises a driving telescopic rod (351) and a first multi-stage telescopic rod (352); the driving telescopic rod (351) is arranged horizontally, and the movable end is inserted into the supporting plate (34); the fixed end of the driving telescopic rod (351) is fixedly connected to the output shaft of the motor (211); the supporting plate (34) is provided with a first clamping groove (341); the first multi-stage telescopic rod (352) is arranged horizontally, and the movable end is fixedly connected to the movable end of the third hydraulic cylinder (32); the fixed end of the first multi-stage telescopic rod (352) is fixedly connected to a connecting block (3521) at one end away from the movable end; the connecting block (3521) is provided with a second clamping groove (3522); the movable end of the driving telescopic rod (351) is fixedly connected to a first clamping block (3511) and a second clamping block (3512); the first clamping block (3511) is located in the first clamping groove (341) and is slidably connected to the supporting plate (34).

7. The advance support device for mining tunnel according to claim 6, characterized in that: A driving assembly (5) is arranged on a side of the first hydraulic cylinder (21) close to the third hydraulic cylinder (32), and the driving assembly (5) comprises a control telescopic rod (51) and a second multi-stage telescopic rod (52); the control telescopic rod (51) is arranged horizontally on one side of the first hydraulic cylinder (21), and a fixed end is fixedly connected to a fixed end of the first hydraulic cylinder (21); a first connecting rod is vertically arranged on the movable end of the control telescopic rod (51), and the first connecting rod is fixedly connected to the movable end of the control telescopic rod (51); a first limiting ring (512) is fixedly connected to an end of the first connecting rod away from the control telescopic rod (51), and the first limiting ring (512) is sleeved on the driving telescopic rod (3 The second multi-stage telescopic rod (52) is horizontally arranged on one side of the control telescopic rod (51), and the fixed end is fixedly connected to the movable end of the control telescopic rod (51); a second connecting rod (521) is vertically arranged on the fixed end of the second multi-stage telescopic rod (52), and the second connecting rod (521) is fixedly connected to the fixed end of the second multi-stage telescopic rod (52); a second limiting ring is fixedly connected to one end of the second connecting rod (521) away from the second multi-stage telescopic rod (52); the second limiting ring is sleeved on the fixed end of the first multi-stage telescopic rod (352), and is rotatably connected to the first multi-stage telescopic rod (352).

8. The mining tunnel advance support device according to claim 7, characterized in that: The driving assembly (5) further comprises a second multi-stage electric telescopic rod (53), the second multi-stage electric telescopic rod (53) being horizontally arranged on one side of the third hydraulic cylinder (32), and the fixed end being fixedly connected to the fixed end of the third hydraulic cylinder (32); the second support assembly (3) and the driving assembly (5) are arranged in a plurality of groups in a direction away from the first hydraulic cylinder (21), and two adjacent second support assembly (3) are connected via the second multi-stage electric telescopic rod (53).

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