Grouting device for tunnel construction

Abstract

The utility model discloses a tunnel construction grouting device which comprises a frame, a main body is arranged on the frame, a grouting pipe is arranged on the left side of the frame, the grouting pipe is connected with the main body through a connecting pipe, a fixing ring is connected to the grouting pipe in a sleeved mode, an installation base is arranged on the frame, a sliding block is arranged on the fixing ring, and the sliding block is arranged on the installation base. The fixing ring is slidably connected with the mounting base through a sliding block, a sliding rod is arranged in the mounting base, a first spring is arranged on the sliding rod, a cam is arranged in the mounting base, shaking in the connecting pipe and the grouting pipe is achieved by arranging the fixing ring and the mounting base, and then shaking of grout injected into the connecting pipe and the grouting pipe is achieved; bubbles in the grout in the conveying process are removed, the content of the bubbles in the grout is reduced, and gas exhausted out of the connecting pipe and the grouting pipe in the grout conveying process is pushed through the exhaust holes.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel grouting, in particular to a tunnel construction grouting device. Background Art

[0002] A tunnel is an engineering building buried in the ground. It is a form of human utilization of underground space. The structure of a tunnel consists of two parts: the main building and ancillary equipment. The main building consists of a tunnel body and a tunnel portal. The ancillary equipment includes a car shelter, fire-fighting facilities, emergency communications and drainage facilities. Long tunnels also have special ventilation and lighting equipment. The main purpose of tunnel grouting is to strengthen the surrounding rock, ensure the stability of the tunnel chamber, and ensure controlled emissions.

[0003] In the prior art, it is impossible to remove the bubbles originally contained in the slurry during grouting through the grouting pipe, and the mixing of the slurry with the air in the grouting pipe will also cause the slurry to contain some bubbles. The bubbles in the slurry will be mixed into the gaps during grouting, seriously affecting the strength of the concrete after solidification. Utility Model Content

[0004] The utility model aims to provide a tunnel construction grouting device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tunnel construction grouting device, comprising a frame, a main body is provided on the frame, a grouting pipe is provided on the left side of the frame, the grouting pipe is connected to the main body through a connecting pipe, a fixing ring is sleeved on the grouting pipe, a mounting seat is provided on the frame, a slider is provided on the fixing ring, the fixing ring is slidably connected to the mounting seat through the slider, a sliding rod is provided in the mounting seat, a first spring is provided on the sliding rod, and a cam is provided in the mounting seat.

[0006] As a further preferred embodiment of the present technical solution, the slide rod is fixedly connected to the mounting seat, the slider is slidably sleeved on the slide rod, and both ends of the first spring are fixedly connected to the slide rod and the slider respectively.

[0007] As a further preferred embodiment of the present technical solution, a first motor is provided in the mounting seat, the cam is rotatably connected to the mounting seat via a rotating shaft, the cam is fitted with a slider, and the cam is connected to an output end of the first motor via a rotating shaft.

[0008] As a further preferred embodiment of the present technical solution, a mounting frame is provided on the grouting pipe, an exhaust hole is opened on the grouting pipe, a closed ring is provided on the mounting frame, the closed ring is slidably sleeved with the grouting pipe, the closed ring is slidably connected to the mounting frame, a threaded rod is provided in the mounting frame, a second motor is provided on the mounting frame, and a resist ring is provided on the closed ring, which fits the outer wall of the grouting pipe.

[0009] As a further preferred embodiment of the present technical solution, the upper end of the threaded rod is connected to the output end of the second motor, the two ends of the threaded rod respectively pass through the mounting frame and are rotatably connected to the mounting frame, and the threaded rod passes through the closed ring and is threadedly connected to the closed ring.

[0010] As a further preferred embodiment of the present technical solution, a plurality of groups of symmetrically distributed damping rods are provided between the resisting ring and the closed ring, two ends of the damping rods are respectively fixedly connected to the resisting ring and the closed ring, and a second spring is sleeved on the damping rods.

[0011] The utility model provides a tunnel construction grouting device, which has the following beneficial effects:

[0012] (1) The utility model realizes the shaking of the connecting pipe and the grouting pipe by setting a fixing ring and a mounting seat, and then shakes the slurry injected into the connecting pipe and the grouting pipe, removes the bubbles in the slurry during the transportation process, and reduces the content of bubbles in the slurry; while the slurry is being transported in the connecting pipe and the grouting pipe, the first motor is started to drive the first cam to rotate, and the first cam contacts the slider, and continuously pushes the slider during the rotation process. During the movement of the slider, the first spring distributed on the slide rod is compressed and stretched respectively, and the first spring is cooperated with to realize the shaking of the grouting pipe and the fixing ring in the mounting seat, and drive the connecting pipe to shake, so as to realize the shaking of the slurry transported in the connecting pipe and discharge the bubbles contained in the slurry.

[0013] (2) The utility model sets an exhaust hole to push the gas discharged from the connecting pipe and the grouting pipe during the slurry transportation process until the slurry fills the entire connecting pipe and the grouting pipe, and the gas in the grouting pipe is completely discharged, thereby further ensuring the quality of slurry filling and avoiding the strength reduction caused by bubbles after the concrete solidifies; during the slurry transportation process, bubbles are continuously discharged from the exhaust hole until a small amount of slurry flows out of the exhaust hole at the exhaust hole where the slurry flows, and the second motor is started to drive the threaded rod to rotate. Under the limiting action of the mounting frame, the closed ring drives the resisting ring to descend to cover the exhaust hole, and under the action of the damping rod and the second spring, the resisting ring is firmly fitted to the outer wall of the grouting pipe to avoid external air from entering the grouting pipe from the exhaust hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of a fixing ring of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the closed loop of the utility model;

[0017] Figure 4 For the utility model Figure 3 -A magnified view of the structure;

[0018] In the figure: 1. frame; 2. main body; 3. grouting pipe; 4. connecting pipe; 5. mounting seat; 6. fixing ring; 7. slider; 8. slide rod; 9. first spring; 10. cam; 11. first motor; 12. mounting frame; 13. exhaust hole; 14. closed ring; 15. threaded rod; 16. second motor; 17. resisting ring; 18. damping rod; 19. second spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1 , Figure 2 As shown, in this embodiment, a tunnel construction grouting device includes a frame 1, a main body 2 is provided on the frame 1, a grouting pipe 3 is provided on the left side of the frame 1, the grouting pipe 3 is connected to the main body 2 through a connecting pipe 4, a fixing ring 6 is sleeved on the grouting pipe 3, a mounting seat 5 is provided on the frame 1, a slider 7 is provided on the fixing ring 6, the fixing ring 6 is slidably connected to the mounting seat 5 through the slider 7, a sliding rod 8 is provided in the mounting seat 5, a first spring 9 is provided on the sliding rod 8, a cam 10 is provided in the mounting seat 5, the sliding rod 8 is fixedly connected to the mounting seat 5, the slider 7 is slidably sleeved with the sliding rod 8, the two ends of the first spring 9 are respectively fixedly connected to the sliding rod 8 and the slider 7, a first motor 11 is provided in the mounting seat 5, the cam 10 is rotatably connected to the mounting seat 5 through a rotating shaft, the cam 10 is fitted with the slider 7, and the cam 10 is connected to the output end of the first motor 11 through a rotating shaft.

[0021] By setting the fixing ring 6 and the mounting seat 5, the connecting pipe 4 and the grouting pipe 3 can be shaken, and then the bubbles in the slurry during the transportation process are removed by shaking the slurry injected into the connecting pipe 4 and the grouting pipe 3, thereby reducing the content of bubbles in the slurry; while the slurry is being transported in the connecting pipe 4 and the grouting pipe 3, the first motor 11 is started to drive the first cam 10 to rotate, and the first cam 10 is in contact with the slider 7, and the slider 7 is continuously pushed during the rotation process. During the movement of the slider 7, the first spring 9 distributed on the slide bar 8 is compressed and stretched respectively, and the first spring 9 is cooperated with the first spring 9 to achieve the shaking of the grouting pipe 3 and the fixing ring 6 in the mounting seat 5, and drive the connecting pipe 4 to shake, so as to achieve the shaking of the slurry transported in the connecting pipe 4 and discharge the bubbles contained in the slurry.

[0022] like Figure 3 and Figure 4As shown, a mounting frame 12 is provided on the grouting pipe 3, an exhaust hole 13 is opened on the grouting pipe 3, a closed ring 14 is provided on the mounting frame 12, the closed ring 14 is slidably sleeved with the grouting pipe 3, the closed ring 14 is slidably connected with the mounting frame 12, a threaded rod 15 is provided in the mounting frame 12, a second motor 16 is provided on the mounting frame 12, a retaining ring 17 is provided on the closed ring 14, the retaining ring 17 is fitted with the outer wall of the grouting pipe 3, the upper end of the threaded rod 15 is connected to the output end of the second motor 16, the two ends of the threaded rod 15 respectively penetrate the mounting frame 12 and are rotatably connected with the mounting frame 12, the threaded rod 15 penetrates the closed ring 14 and is threadedly connected with the closed ring 14, a plurality of groups of symmetrically distributed damping rods 18 are provided between the retaining ring 17 and the closed ring 14, the two ends of the damping rod 18 are respectively fixedly connected to the retaining ring 17 and the closed ring 14, and a second spring 19 is sleeved on the damping rod 18.

[0023] By setting the exhaust hole 13, the gas discharged from the connecting pipe 4 and the grouting pipe 3 during the slurry transportation process is pushed until the slurry fills the entire connecting pipe 4 and the grouting pipe 3, and the gas in the grouting pipe 3 is completely discharged, thereby further ensuring the quality of slurry filling and avoiding the reduction in strength caused by bubbles after the concrete solidifies; during the slurry transportation process, bubbles are continuously discharged from the exhaust hole 13 until a small amount of slurry flows out from the exhaust port at the exhaust hole 13 where the slurry flows, and the second motor 16 is started to drive the threaded rod 15 to rotate, and under the limiting action of the mounting frame 12, the closed ring 14 drives the retaining ring 17 to descend to cover the exhaust hole 13, and under the action of the damping rod 18 and the second spring 19, the retaining ring 17 is firmly fitted to the outer wall of the grouting pipe 3 to avoid external air from entering the grouting pipe 3 from the exhaust hole 13.

[0024] The utility model provides a tunnel construction grouting device, and the specific working principle is as follows: while the slurry is transported in the connecting pipe 4 and the grouting pipe 3, the first motor 11 is started to drive the first cam 10 to rotate, the first cam 10 contacts the slider 7, and continuously pushes the slider 7 during the rotation process. During the movement of the slider 7, the first spring 9 distributed on the slide bar 8 is compressed and stretched respectively, and the first spring 9 is cooperated with to realize the shaking of the grouting pipe 3 and the fixing ring 6 in the mounting seat 5, and the connecting pipe 4 is driven to shake, so as to realize the grouting in the connecting pipe 4. The vibration of the slurry delivery discharges the bubbles contained in the slurry. During the slurry delivery process, the bubbles are continuously discharged from the exhaust hole 13 until a small amount of slurry flows out of the exhaust hole 13 where the slurry flows. The second motor 16 is started to drive the threaded rod 15 to rotate. Under the limiting action of the mounting frame 12, the closed ring 14 drives the retaining ring 17 to descend to cover the exhaust hole 13. Under the action of the damping rod 18 and the second spring 19, the retaining ring 17 is firmly fitted to the outer wall of the grouting pipe 3 to prevent external air from entering the grouting pipe 3 from the exhaust hole 13.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tunnel construction grouting device, comprising a frame (1), characterized in that: The frame (1) is provided with a main body (2), a grouting pipe (3) is provided on the left side of the frame (1), the grouting pipe (3) is connected to the main body (2) via a connecting pipe (4), a fixing ring (6) is sleeved on the grouting pipe (3), a mounting seat (5) is provided on the frame (1), a sliding block (7) is provided on the fixing ring (6), the fixing ring (6) is slidably connected to the mounting seat (5) via the sliding block (7), a sliding rod (8) is provided inside the mounting seat (5), a first spring (9) is provided on the sliding rod (8), and a cam (10) is provided inside the mounting seat (5).

2. A tunnel construction grouting device according to claim 1, characterized in that: The slide bar (8) is fixedly connected to the mounting seat (5), the slider (7) is slidably sleeved on the slide bar (8), and the two ends of the first spring (9) are respectively fixedly connected to the slide bar (8) and the slider (7).

3. A tunnel construction grouting device according to claim 1, characterized in that: A first motor (11) is arranged in the mounting seat (5), the cam (10) is rotatably connected to the mounting seat (5) via a rotating shaft, the cam (10) is fitted with a slider (7), and the cam (10) is connected to an output end of the first motor (11) via a rotating shaft.

4. A tunnel construction grouting device according to claim 1, characterized in that: The grouting pipe (3) is provided with a mounting frame (12), the grouting pipe (3) is provided with an exhaust hole (13), the mounting frame (12) is provided with a closed ring (14), the closed ring (14) is slidably sleeved with the grouting pipe (3), the closed ring (14) is slidably connected with the mounting frame (12), a threaded rod (15) is provided inside the mounting frame (12), the mounting frame (12) is provided with a second motor (16), the closed ring (14) is provided with a resist ring (17), and the resist ring (17) is in contact with the outer wall of the grouting pipe (3).

5. A tunnel construction grouting device according to claim 4, characterized in that: The upper end of the threaded rod (15) is connected to the output end of the second motor (16), the two ends of the threaded rod (15) respectively penetrate the mounting frame (12) and are rotatably connected to the mounting frame (12), and the threaded rod (15) penetrates the closed ring (14) and is threadedly connected to the closed ring (14).

6. A tunnel construction grouting device according to claim 4, characterized in that: A plurality of groups of symmetrically distributed damping rods (18) are provided between the resisting ring (17) and the closed ring (14); two ends of the damping rod (18) are respectively fixedly connected to the resisting ring (17) and the closed ring (14); and a second spring (19) is sleeved on the damping rod (18).

Images