Reinforcing structure for tunnel underneath passing through lakebed tunnel face

Abstract

The utility model belongs to the technical field of tunnel reinforcement, and particularly relates to a tunnel undercrossing lakebed tunnel face reinforcement structure which comprises a base, an air cylinder fixedly connected to the middle of the top face of the base, a mounting plate fixedly connected to the upper end of the air cylinder, a connecting shaft arranged on the upper side of the mounting plate, and a first arc-shaped plate installed on the connecting shaft. The top of the first arc-shaped plate is movably connected with a plurality of drilling machines, machine shafts of the drilling machines are fixedly connected with drill bits, the rear side of the first arc-shaped plate is provided with a second arc-shaped plate, and the rear side of the second arc-shaped plate is fixedly connected with a plurality of conveying pipes. Then the first arc-shaped plate is rotated to be horizontally arranged towards the front side, the second arc-shaped plate is rotated to be vertically arranged, the upper ends of the conveying pipes are inserted into the corresponding grouting pipes correspondingly, grout is injected into the grouting pipes, the grout can permeate into the soil body, gaps among particles are filled with the grout, the grout is solidified, and the purpose of improving the characters of the soil layer is achieved.

Description

Technical Field

[0001] This utility model belongs to the field of tunnel reinforcement technology, and in particular relates to a reinforcement structure for the tunnel face when it passes under a lake. Background Technology

[0002] In civil and mining engineering, the working face (or tunnel face) usually refers to the face where excavation of tunnels (such as in coal mining, mining, or tunneling) is carried out. However, when the concept of "working face" is applied to a lakebed environment, its meaning may change, but it usually still refers to the working face of excavation or construction on the lakebed.

[0003] Because the tunnel face of the mined tunnel is prone to water seepage due to the completely weathered or strongly weathered strata at the bottom of the lake, the leakage of water in the tunnel under the lake bottom, the development of groundwater, the falling of blocks at the tunnel face, and the risk of tunnel roof penetration and collapse are all possible.

[0004] This utility model designs a reinforcement structure for the tunnel face under a lake to solve the above problems. Utility Model Content

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A reinforcement structure for a tunnel face under a lake includes a base. A cylinder is fixedly connected to the center of the top surface of the base. An installation plate is fixedly connected to the upper end of the cylinder. Connecting blocks are fixedly connected to the left and right sides of the top surface of the installation plate. Each connecting block has a through hole in its center. A connecting shaft is provided on the upper side of the installation plate. The connecting shaft is connected to the two through holes through bearings. A first arc-shaped plate is installed on the connecting shaft. The two ends of the first arc-shaped plate are fixedly connected to the left and right end faces of the connecting shaft, respectively. Several drilling machines are movably connected to the top of the first arc-shaped plate. Drill bits are fixedly connected to the shafts of the drilling machines. Connecting rods are fixedly sleeved on both ends of the connecting shaft. A second arc-shaped plate is provided on the rear side of the first arc-shaped plate. The two ends of the second arc-shaped plate are fixedly attached to the two connecting rods, respectively. Several conveying pipes are fixedly connected to the rear side of the second arc-shaped plate.

[0007] As a preferred embodiment, a motor is fixedly connected to the mounting plate, a drive gear is fixedly connected to the motor shaft, and a driven gear that meshes with the drive gear is fixedly sleeved on the connecting shaft.

[0008] As a preferred embodiment, a flexible hose is fixedly connected to the end of the delivery pipe facing the mounting plate, a container is fixedly connected to the mounting plate, a pump is fixedly connected inside the container, a connecting pipe is fixedly connected to the output end of the pump, the upper end of the connecting pipe extends to the top of the container, and a multi-pipe connector is fixedly connected to the upper end of the connecting pipe. Each flexible hose is fixedly connected to a different interface of the multi-pipe connector.

[0009] As a preferred embodiment, a filling pipe is fixedly connected to the top of the container, and the lower end of the filling pipe extends into the interior of the container.

[0010] As a preferred embodiment, a first arc-shaped baffle is fixedly connected to the front side of the first arc-shaped plate, and a mudguard located in front of the mounting plate is installed at the front end of the second arc-shaped plate.

[0011] As a preferred embodiment, connecting sleeves are fixedly connected to the four corners of the top surface of the base, and a guide rod is movably fitted inside each connecting sleeve. The upper ends of the four guide rods are fixedly connected to the four corners of the bottom surface of the mounting plate.

[0012] As a preferred option, casters are fixedly connected to the four corners of the base, and ground nails are movably fitted to both the left and right ends of the base.

[0013] As a preferred embodiment, a connection box is fixedly connected to the front side of the top surface of the mounting plate, and a storage battery is fixedly connected inside the connection box. The storage battery is electrically connected to the cylinder, motor, drilling machine and pump.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] 1. This utility model involves drilling multiple circumferentially arranged grouting holes on the working face using a drill bit, inserting grouting pipes into the grouting holes, then rotating the first arc-shaped plate to lie flat facing forward, and rotating the second arc-shaped plate to stand upright. Then, a cylinder pushes the mounting plate upward, so that the upper end of the delivery pipe is inserted into the corresponding grouting pipe. Finally, grout is injected into the grouting pipe through the delivery pipe. The liquid fills into the soil, filling the gaps between particles with grout and solidifying it, thereby improving the soil properties. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the present invention.

[0017] Figure 2 This is a top view of the mounting plate of this utility model.

[0018] Figure 3 This is a side sectional view of the first arc-shaped plate of this utility model.

[0019] Figure 4 This is a cross-sectional schematic diagram of the connecting sleeve of this utility model.

[0020] Figure 5 This is a cross-sectional schematic diagram of the connecting box of this utility model.

[0021] The following are the labels in the diagram: 1. Base; 2. Cylinder; 3. Mounting plate; 4. Connecting block; 5. Connecting shaft; 6. First arc plate; 7. Drilling machine; 8. Drill bit; 9. Connecting rod; 10. Second arc plate; 11. Delivery pipe; 12. Motor; 13. Drive gear; 14. Driven gear; 15. Hoses; 16. Container; 17. Pump; 18. Connecting pipe; 19. Multi-pipe connector; 20. Filling pipe; 21. First arc baffle; 22. Second arc baffle; 23. Connecting sleeve; 24. Guide rod; 25. Caster wheel; 26. Ground stake; 27. Connecting box; 28. Battery. Detailed Implementation

[0022] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following embodiments or drawings are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0023] A type of reinforcement structure for the tunnel face under a lakebed, such as... Figures 1 to 5 As shown, the system includes a base 1, a cylinder 2 fixedly connected to the center of the top surface of the base 1, an mounting plate 3 fixedly connected to the upper end of the cylinder 2, connecting blocks 4 fixedly connected to the left and right sides of the top surface of the mounting plate 3, and through holes opened in the center of each connecting block 4. A connecting shaft 5 is provided on the upper side of the mounting plate 3, and the connecting shaft 5 is connected to the two through holes through bearings. A first arc plate 6 is installed on the connecting shaft 5, and the two ends of the first arc plate 6 are fixedly connected to the left and right end faces of the connecting shaft 5, respectively. Six drilling machines 7 are movably connected to the top of the first arc plate 6, and drill bits 8 are fixedly connected to the shaft of the drilling machine 7. Connecting rods 9 are fixedly sleeved on both the left and right ends of the connecting shaft 5. A second arc plate 10 is provided on the rear side of the first arc plate 6, and the two ends of the second arc plate 10 are fixedly fixed on the two connecting rods 9, respectively. Six conveying pipes 11 are fixedly connected to the rear side of the second arc plate 10.

[0024] To facilitate the rotation of the connecting shaft 5, a motor 12 is fixedly connected to the mounting plate 3. The shaft of the motor 12 is fixedly connected to a drive gear 13, and a driven gear 14 that meshes with the drive gear 13 is fixedly sleeved on the connecting shaft 5.

[0025] To facilitate the input of slurry into all delivery pipes 11, a hose 15 is fixedly connected to the end of each delivery pipe 11 facing the mounting plate 3. A container 16 is fixedly connected to the mounting plate 3. A pump 17 is fixedly connected inside the container 16. A connecting pipe 18 is fixedly connected to the output end of the pump 17. The upper end of the connecting pipe 18 extends above the container 16. A multi-pipe connector 19 is fixedly connected to the upper end of the connecting pipe 18. Each hose 15 is fixedly connected to a different interface of the multi-pipe connector 19.

[0026] To facilitate the addition of slurry into the container 16, a filling pipe 20 is fixedly connected to the top of the container 16, and the lower end of the filling pipe 20 extends into the interior of the container 16.

[0027] In order to prevent soil and slurry from falling onto the mounting plate 3 and the mechanism on top of it during drilling and injection, a first arc-shaped baffle 21 is fixedly connected to the front side of the first arc-shaped plate 6, and a mudguard 22 located in front of the mounting plate 3 is installed at the front end of the second arc-shaped plate 10.

[0028] To improve the stability of the mounting plate 3 when it moves up and down, connecting sleeves 23 are fixedly connected to the four corners of the top surface of the base 1. Each connecting sleeve 23 is movably fitted with a guide rod 24. The upper end of the four guide rods 24 is fixedly connected to the four corners of the bottom surface of the mounting plate 3.

[0029] To facilitate the movement of the device, casters 25 are fixedly connected to the four corners of the bottom surface of the base 1, and ground nails 26 are movably fitted to the left and right sides of the top surface of the base 1.

[0030] To facilitate power supply to the electrical components on the device, a connection box 27 is fixedly connected to the front side of the top surface of the mounting plate 3. A storage battery 28 is fixedly connected inside the connection box 27. The storage battery 28 is electrically connected to the cylinder 2, the motor 12, the drilling machine 7, and the pump 17.

[0031] Working Principle: When using this utility model, firstly, the device is pushed to the designated location using the universal wheels 25. Then, the ground nails 26 are inserted into the soil to fix the device in place. Next, the cylinder 2 is started, which drives the mounting plate 3 to move up and down, thereby adjusting the height of the device. After adjusting the height of the device, the drilling machine 7 is started, which drives the drill bit 8 to rotate, causing the device to drill multiple circumferentially arranged grouting holes on the working face in one go. Then, the drill bit 8 is pulled out from the grouting holes and a grouting pipe is inserted into the grouting holes. Next, the motor 12 is started, which drives the drive gear 13 to rotate. The drive gear 13 drives the driven gear 14 to rotate, and the driven gear 14 drives the connecting shaft 5 to rotate. The connecting shaft 5 drives... The first arc-shaped plate 6 rotates forward, causing it to lie flat facing forward. Simultaneously, the connecting shaft 5 drives the connecting rod 9 to rotate, which in turn drives the second arc-shaped plate 10 to rotate vertically. Then, the cylinder 2 pushes the mounting plate 3 upward, causing the upper ends of the delivery pipes 11 to be inserted into the corresponding grouting pipes. The pump 17 is then started, drawing grout from the container 16 and delivering it through the connecting pipe 18, multi-pipe joint 19, and hose 15 into the delivery pipes 11. Finally, the grout is injected into the grouting pipes through the delivery pipes 11. The liquid penetrates into the soil, filling the gaps between particles and solidifying them, thus improving the soil properties.

[0032] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A reinforcement structure for the tunnel face under a lakebed, characterized in that: Includes a base (1), a cylinder (2) is fixedly connected to the middle of the top surface of the base (1), a mounting plate (3) is fixedly connected to the upper end of the cylinder (2), connecting blocks (4) are fixedly connected to the left and right sides of the top surface of the mounting plate (3), and through holes are opened in the middle of the connecting blocks (4). A connecting shaft (5) is provided on the upper side of the mounting plate (3), and the connecting shaft (5) is connected to the two through holes through bearings. A first arc plate (6) is installed on the connecting shaft (5), and the two ends of the first arc plate (6) are... The first arc plate (6) is fixedly connected to the left and right ends of the connecting shaft (5). Several drilling machines (7) are movably connected to the top of the first arc plate (6). The drill bit (8) is fixedly connected to the shaft of the drilling machine (7). Connecting rods (9) are fixedly sleeved on both the left and right ends of the connecting shaft (5). The second arc plate (10) is located on the rear side of the first arc plate (6). The two ends of the second arc plate (10) are fixed on the two connecting rods (9) respectively. Several conveying pipes (11) are fixedly connected to the rear side of the second arc plate (10).

2. The tunnel face reinforcement structure under a lakebed as described in claim 1, characterized in that: A motor (12) is fixedly connected to the mounting plate (3), and a drive gear (13) is fixedly connected to the shaft of the motor (12). A driven gear (14) that meshes with the drive gear (13) is fixedly sleeved on the connecting shaft (5).

3. The tunnel face reinforcement structure for crossing a lakebed as described in claim 1, characterized in that: The delivery pipe (11) is fixedly connected to a hose (15) at one end facing the mounting plate (3). A container (16) is fixedly connected to the mounting plate (3). A pump (17) is fixedly connected inside the container (16). A connecting pipe (18) is fixedly connected to the output end of the pump (17). The upper end of the connecting pipe (18) extends to the top of the container (16). A multi-pipe connector (19) is fixedly connected to the upper end of the connecting pipe (18). Each hose (15) is fixedly connected to a different interface of the multi-pipe connector (19).

4. The tunnel face reinforcement structure for tunnels passing under lake bottoms as described in claim 3, characterized in that: The top of the container (16) is fixedly connected to a filling tube (20), and the lower end of the filling tube (20) extends into the interior of the container (16).

5. The tunnel face reinforcement structure under a lakebed as described in claim 1, characterized in that: The first arc plate (6) is fixedly connected to the front end of the first arc plate (6), and the second arc plate (10) is equipped with a mudguard 22 located in front of the mounting plate (3).

6. The tunnel face reinforcement structure under a lakebed as described in claim 1, characterized in that: Connecting sleeves (23) are fixedly connected to the four corners of the top surface of the base (1). Each connecting sleeve (23) is movably fitted with a guide rod (24). The upper end faces of the four guide rods (24) are fixedly connected to the four corners of the bottom surface of the mounting plate (3).

7. The tunnel face reinforcement structure for tunnels passing under lake bottoms as described in claim 1, characterized in that: The base (1) is fixedly connected to four corners of the bottom surface with casters (25), and the base (1) is movably fitted with ground nails (26) at both the left and right ends.

8. The tunnel face reinforcement structure under a lakebed as described in claim 1, characterized in that: A connecting box (27) is fixedly connected to the front side of the top surface of the mounting plate (3). A storage battery (28) is fixedly connected inside the connecting box (27). The storage battery (28) is electrically connected to the cylinder (2), the motor (12), the drilling machine (7), and the pump (17).

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