Grouting equipment for shield tunnel construction

Abstract

The utility model relates to the technical field of tunnel construction, in particular to grouting equipment for shield tunnel construction, which comprises a movable base, a grouting mechanism is arranged at the top of the movable base, a controller is fixedly connected to the top of the movable base and close to the grouting mechanism, a storage battery is mounted on the outer wall of the movable base, and the storage battery is connected with the controller. Rotating shafts are rotationally connected to the positions, on the front face, the back face and the two sides of the grouting mechanism, of the top of the movable base, and pressing plates are fixedly connected to the positions, on the upper portion of the grouting mechanism, of the tops of the rotating shafts. By means of the design that a drill bit and a limiting block in the grouting mechanism enable a grouting cover to be fixed in a tunnel through a pushing structure, when a grouting pipe is used, manual pressing is not needed, use is convenient, and the problems that when an existing grouting device conducts grouting, the grouting pipe needs manual pressing, and use is inconvenient are solved.

Description

A grouting device for shield tunnel construction Technical Field

[0001] This utility model relates to the field of tunnel construction technology, specifically to a grouting device for shield tunnel construction. Background Technology

[0002] Grouting equipment is a device used for grouting during shield tunnel construction. For example, application number 202220349439.5 provides a grouting equipment for subway shield tunnel construction. Existing grouting equipment has a relatively simple mixing structure, poor mixing effect, and poor grouting quality. It includes a grouting box, with a feed pipe fixed on one side of the outer wall of the grouting box. A first support plate is fixed at the bottom of the grouting box, and a mixing structure is provided on the first support plate. In this utility model, a first motor drives a first worm and a second worm to rotate through a first rotating shaft. The first worm and the second worm drive a first worm wheel and a second worm wheel that are meshed with them to rotate. The first worm wheel and the second worm wheel drive a first mixing shaft and a second mixing shaft to rotate, so that the first mixing rod and the second mixing rod on the two first mixing shafts and the second mixing shaft simultaneously mix, which fully mixes the grouting material inside the grouting box, improves the mixing efficiency and the quality of grouting.

[0003] However, the existing grouting equipment still has shortcomings. Specifically, the existing grouting device requires manual pressing of the grouting pipe during grouting, which is inconvenient to use.

[0004] Therefore, a grouting device for shield tunnel construction is needed to solve the problems mentioned in the background art. Summary of the Invention

[0005] The purpose of this invention is to provide a grouting device for shield tunnel construction to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A grouting device for shield tunnel construction includes a mobile base, a grouting mechanism on the top of the mobile base, a controller fixedly connected to the top of the mobile base near the grouting mechanism, a battery installed on the outer wall of the mobile base, a rotating shaft rotatably connected to the top of the mobile base and to the front, back and sides of the grouting mechanism, a pressure plate fixedly connected to the top of the rotating shaft and above the grouting mechanism, and a rotating motor fixedly connected to the bottom of the rotating shaft and inside the mobile base.

[0008] The grouting mechanism includes a delivery pump fixedly connected to the top of the movable base. A grouting pipe is fixedly connected to the outlet of the delivery pump. A fixed cover is fixedly connected to the outer wall of the grouting pipe at a position away from the delivery pump. A fixed sleeve is fixedly connected to the outer wall of the fixed cover. A fixed anchor rod is slidably connected inside the fixed sleeve. An outer piston is fixedly connected to the outer wall of the fixed anchor rod inside the fixed sleeve. A drill bit is rotatably connected to the outer wall of the fixed anchor rod on the side away from the outer piston. A limit block is slidably connected inside the fixed anchor rod. An inner piston is fixedly connected to the outer wall of the limit block inside the fixed anchor rod. A guide pipe is fixedly connected inside the fixed anchor rod. A solenoid valve is fixedly connected to the outer wall of the guide pipe inside the fixed anchor rod. A micro pump is fixedly connected inside the fixed sleeve near the outer piston. A delivery pipe is fixedly connected to the inlet of the micro pump. A storage cylinder is fixedly connected to the outer wall of the delivery pipe at the end away from the micro pump. An outer spring is fixedly connected to the outer wall of the outer piston. An inner spring is fixedly connected to the outer wall of the inner piston inside the fixed anchor rod. A sealing gasket is fixedly connected to the outer wall of the fixed cover. A servo motor is fixedly connected inside the fixed anchor rod at the corresponding position of the drill bit.

[0009] As a preferred embodiment of this utility model, the movable base and the pressure plate are both made of aluminum alloy, and the rotary motor, the battery and the controller are connected by electrical connection.

[0010] As a preferred embodiment of this utility model, the fixed sleeve, fixed anchor rod, outer piston, and micro pump are all provided in four sets, and the connection between the storage cylinder and the fixed cover, the servo motor and the drill bit, the outer spring and the fixed sleeve, and the inner spring and the fixed anchor rod are all fixed connections.

[0011] As a preferred embodiment of this utility model, the drill bit, the fixed anchor rod, and the limiting block are all made of stainless steel. The limiting block has a triangular structure design, and the connection between the outer piston and the fixed sleeve, and the connection between the inner piston and the fixed anchor rod are all sliding connections.

[0012] As a preferred embodiment of this utility model, the fixing cover, outer piston and inner piston are all made of ABS plastic, the fixing cover has a conical structure design, and the storage cylinder stores hydraulic oil.

[0013] As a preferred embodiment of this utility model, multiple sets of the limiting block, inner piston, and inner spring are provided, the sealing gasket is made of silicone, and the storage cylinder has a ring structure design.

[0014] As a preferred embodiment of this utility model, both the grouting pipe and the delivery pipe are made of polyethylene plastic hoses, and the connection between the micro pump, solenoid valve, servo motor and controller is all electrical connection.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] In this invention, by setting a grouting mechanism on a movable base, the grouting cover can be fixed inside the tunnel by using the drill bit and limiting block in the grouting mechanism through a pushing structure. This design eliminates the need for manual pressing of the grouting pipe during use, making it more convenient to use and solving the problem that existing grouting devices require manual pressing of the grouting pipe during grouting, which is inconvenient.

[0017] In this utility model, by setting a fixing mechanism on the movable base, the pressure plate and rotating shaft in the fixing mechanism are driven by a drive structure to make the pressure plate lock the grouting cover. This design allows the pressure plate to press down on the grouting cover during the movement of the grouting cover, preventing the grouting cover and grouting pipe from falling off. Attached Figure Description

[0018] Figure 1 is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 is a partial orthosectional view of the present invention;

[0020] Figure 3 is an enlarged view of point A in Figure 2 of this utility model;

[0021] Figure 4 is an enlarged view of section B in Figure 2 of this utility model.

[0022] In the diagram: 1. Movable base; 2. Grouting mechanism; 3. Controller; 4. Battery; 5. Rotating shaft; 6. Pressure plate; 7. Rotary motor; 201. Delivery pump; 202. Grouting pipe; 203. Fixing cover; 204. Fixing sleeve; 205. Fixing anchor; 206. Outer piston; 207. Drill bit; 208. Limiting block; 209. Inner piston; 210. Guide pipe; 211. Solenoid valve; 212. Micro pump; 213. Delivery pipe; 214. Storage cylinder; 215. Outer spring; 216. Inner spring; 217. Sealing gasket; 218. Servo motor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] As illustrated in Figures 1-4, this utility model provides a technical solution:

[0025] A grouting device for shield tunnel construction includes a mobile base 1, a grouting mechanism 2 on the top of the mobile base 1, a controller 3 fixedly connected to the top of the mobile base 1 near the grouting mechanism 2, a battery 4 installed on the outer wall of the mobile base 1, a rotating shaft 5 rotatably connected to the top of the mobile base 1 and to the front, back and sides of the grouting mechanism 2, a pressure plate 6 fixedly connected to the top of the rotating shaft 5 and above the grouting mechanism 2, and a rotating motor 7 fixedly connected to the bottom of the rotating shaft 5 and inside the mobile base 1.

[0026] The movable base 1 and the pressure plate 6 are both made of aluminum alloy, and the rotary motor 7, the battery 4 and the controller 3 are connected by electrical connection.

[0027] In this embodiment, referring to Figures 2-4, the grouting mechanism 2 includes a delivery pump 201 fixedly connected to the top of the movable base 1. A grouting pipe 202 is fixedly connected to the outlet of the delivery pump 201. A fixing cover 203 is fixedly connected to the outer wall of the grouting pipe 202 at a position away from the delivery pump 201. A fixing sleeve 204 is fixedly connected to the outer wall of the fixing cover 203. A fixing anchor rod 205 is slidably connected inside the fixing sleeve 204. An outer piston 206 is fixedly connected to the outer wall of the fixing anchor rod 205 inside the fixing sleeve 204. A drill bit 207 is rotatably connected to the outer wall of the fixing anchor rod 205 on the side away from the outer piston 206. A limiting block 208 is slidably connected inside the fixing anchor rod 205. An inner piston is fixedly connected to the outer wall of the limiting block 208 inside the fixing anchor rod 205. 209, a guide pipe 210 is fixedly connected inside the fixed anchor rod 205. A solenoid valve 211 is fixedly connected to the outer wall of the guide pipe 210 and inside the fixed anchor rod 205. A micro pump 212 is fixedly connected inside the fixed sleeve 204 and near the outer piston 206. A delivery pipe 213 is fixedly connected to the inlet of the micro pump 212. A storage cylinder 214 is fixedly connected to the outer wall of the delivery pipe 213 and at the end away from the micro pump 212. An outer spring 215 is fixedly connected to the outer wall of the outer piston 206. An inner spring 216 is fixedly connected to the outer wall of the inner piston 209 and inside the fixed anchor rod 205. A sealing gasket 217 is fixedly connected to the outer wall of the fixed cover 203. A servo motor 218 is fixedly connected inside the fixed anchor rod 205 and at the corresponding position of the drill bit 207.

[0028] The fixed sleeve 204, fixed anchor rod 205, outer piston 206, and micro pump 212 are each provided in four sets. The storage cylinder 214 is fixedly connected to the fixed cover 203, the servo motor 218 is fixedly connected to the drill bit 207, the outer spring 215 is fixedly connected to the fixed sleeve 204, and the inner spring 216 is fixedly connected to the fixed anchor rod 205. The drill bit 207, fixed anchor rod 205, and limiting block 208 are all made of stainless steel. The limiting block 208 has a triangular structure design. The outer piston 206 is connected to the fixed sleeve 204, and the inner piston 209 is fixedly connected to the fixed anchor rod 205. All connections are sliding connections. The fixed cover 203, outer piston 206, and inner piston 209 are all made of ABS plastic. The fixed cover 203 has a conical structure design. The storage cylinder 214 stores hydraulic oil. Multiple sets of limit blocks 208, inner piston 209, and inner springs 216 are provided. The sealing gasket 217 is made of silicone. The storage cylinder 214 has a ring structure design. The grouting pipe 202 and the delivery pipe 213 are both made of polyethylene plastic hoses. The micro pump 212, solenoid valve 211, servo motor 218, and controller 3 are all electrically connected. Next, controller 3 starts servo motor 218 and micro pump 212. Micro pump 212 sends hydraulic oil from storage cylinder 214 into fixed sleeve 204. The hydraulic oil entering fixed sleeve 204 pushes outer piston 206 and fixed anchor rod 205 outward. At the same time, servo motor 218 drives drill bit 207 to rotate. The outward moving fixed anchor rod 205 drives the rotating drill bit 207 to drill into the tunnel wall. When the fixed anchor rod 205 is completely drilled into the tunnel wall, controller 3 shuts off drill bit 207. Drill bit 207 stops rotating, and controller 3 turns on the power. The hydraulic oil in the solenoid valve 211 and the fixed sleeve 204 flows into the fixed anchor rod 205 through the guide pipe 210. The hydraulic oil entering the fixed anchor rod 205 will push the inner piston 209 and the limiting block 208 to move outward. The outwardly moving limiting block 208 will insert into the inner wall of the tunnel. The limiting block 208 inserted into the inner wall of the tunnel will lock the fixed anchor rod 205, thereby fixing the fixed cover 203 and the grouting pipe 202 to the inner wall of the tunnel. The controller 3 starts the delivery pump 201, and the delivery pump 201 injects the grout into the tunnel through the grouting pipe 202 to complete the grouting operation.

[0029] The working process of this utility model is as follows: When using the grouting equipment for shield tunnel construction designed in this scheme, push the movable base 1 to the location in the tunnel where grouting is required. The controller 3 starts the rotary motor 7, which drives the pressure plate 6 to rotate through the rotary shaft 5. The rotating pressure plate 6 will detach from the fixed cover 203. Pull the fixed cover 203 to remove it from the movable base 1. Then insert the grouting pipe 202 into the groove in the inner wall of the tunnel where grouting is required. The fixed cover 203 will then be tightly attached to the inner wall of the tunnel.

[0030] The controller 3 starts the servo motor 218 and the micro pump 212. The micro pump 212 sends the hydraulic oil in the storage cylinder 214 into the fixed sleeve 204. The hydraulic oil entering the fixed sleeve 204 will push the outer piston 206 and the fixed anchor rod 205 to move outward. At the same time, the servo motor 218 drives the drill bit 207 to rotate. The outward-moving fixed anchor rod 205 drives the rotating drill bit 207 to drill into the inner wall of the tunnel.

[0031] After the fixed anchor 205 is fully drilled into the inner wall of the tunnel, the controller 3 closes the drill bit 207, and the drill bit 207 stops rotating. The controller 3 opens the solenoid valve 211, and the hydraulic oil in the fixed sleeve 204 flows into the fixed anchor 205 through the guide pipe 210. The hydraulic oil entering the fixed anchor 205 will push the inner piston 209 and the limiting block 208 to move outward. The outwardly moving limiting block 208 will insert into the inner wall of the tunnel. The limiting block 208 inserted into the inner wall of the tunnel will lock the fixed anchor 205, thereby fixing the fixed cover 203 and the grouting pipe 202 to the inner wall of the tunnel.

[0032] Controller 3 starts the delivery pump 201, which injects the grout into the tunnel through the grouting pipe 202, thus completing the grouting operation.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grouting device for shield tunnel construction, comprising a movable base (1), characterized in that: The top of the mobile base (1) is provided with a grouting mechanism (2). A controller (3) is fixedly connected to the top of the mobile base (1) and near the grouting mechanism (2). A battery (4) is installed on the outer wall of the mobile base (1). A rotating shaft (5) is rotatably connected to the top of the mobile base (1) and to the front, back and sides of the grouting mechanism (2). A pressure plate (6) is fixedly connected to the top of the rotating shaft (5) and above the grouting mechanism (2). A rotary motor (7) is fixedly connected to the bottom of the rotating shaft (5) and inside the mobile base (1). The grouting mechanism (2) includes a delivery pump (201) fixedly connected to the top of the mobile base (1). A grouting pipe (202) is fixedly connected to the outlet of the delivery pump (201). A fixed cover (203) is fixedly connected to the outer wall of the grouting pipe (202) at a position away from the delivery pump (201). A fixed sleeve (204) is fixedly connected to the outer wall of the fixed cover (203). A fixed anchor rod (205) is slidably connected inside the fixed sleeve (204). An outer piston (206) is fixedly connected to the outer wall of the fixed anchor rod (205) and inside the fixed sleeve (204). A drill bit (207) is rotatably connected to the outer wall of the fixed anchor rod (205) on the side away from the outer piston (206). A limit block (208) is slidably connected inside the fixed anchor rod (205). An inner piston (209) is fixedly connected to the outer wall of the limit block (208) and inside the fixed anchor rod (205). A guide pipe (210) is fixedly connected inside the fixed anchor rod (205).

2. The grouting equipment for shield tunnel construction according to claim 1, characterized in that: A solenoid valve (211) is fixedly connected to the outer wall of the guide pipe (210) and inside the fixed anchor rod (205). A micro pump (212) is fixedly connected to the inside of the fixed sleeve (204) and near the position of the outer piston (206). A delivery pipe (213) is fixedly connected to the inlet of the micro pump (212). A storage cylinder (214) is fixedly connected to the outer wall of the delivery pipe (213) and at the end away from the micro pump (212). An outer spring (215) is fixedly connected to the outer wall of the outer piston (206). An inner spring (216) is fixedly connected to the outer wall of the inner piston (209) and inside the fixed anchor rod (205). A sealing gasket (217) is fixedly connected to the outer wall of the fixed cover (203). A servo motor (218) is fixedly connected to the inside of the fixed anchor rod (205) and at the corresponding position of the drill bit (207).

3. The grouting equipment for shield tunnel construction according to claim 2, characterized in that: The movable base (1) and pressure plate (6) are both made of aluminum alloy, and the rotary motor (7), battery (4) and controller (3) are connected by electrical connection.

4. The grouting equipment for shield tunnel construction according to claim 2, characterized in that: The fixed sleeve (204), fixed anchor rod (205), outer piston (206), and micro pump (212) are each provided in four sets. The storage cylinder (214) and the fixed cover (203), the servo motor (218) and the drill bit (207), the outer spring (215) and the fixed sleeve (204), and the inner spring (216) and the fixed anchor rod (205) are all fixedly connected.

5. A grouting device for shield tunnel construction according to claim 2, characterized in that: The drill bit (207), the fixed anchor rod (205), and the limiting block (208) are all made of stainless steel. The limiting block (208) has a triangular structure design. The outer piston (206) and the fixed sleeve (204), and the inner piston (209) and the fixed anchor rod (205) are all connected by sliding connection.

6. A grouting device for shield tunnel construction according to claim 2, characterized in that: The fixed cover (203), outer piston (206) and inner piston (209) are all made of ABS plastic. The fixed cover (203) has a conical structure design. The storage cylinder (214) stores hydraulic oil.

7. A grouting device for shield tunnel construction according to claim 2, characterized in that: The limiting block (208), inner piston (209) and inner spring (216) are provided in multiple sets, the sealing gasket (217) is made of silicone, and the storage cylinder (214) has a ring structure design.

8. A grouting device for shield tunnel construction according to claim 2, characterized in that: The grouting pipe (202) and the delivery pipe (213) are both made of polyethylene plastic hoses. The micro pump (212), solenoid valve (211), servo motor (218) and controller (3) are all connected by electrical connection.

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