NL2034778B1

NL2034778B1 - Tunnel grouting device

Info

Publication number: NL2034778B1
Application number: NL2034778A
Authority: NL
Inventors: Huang Zengcai; Liu Bo; Wang Feng; Li Qian; Cheng Danjiang; Yin Shengguang; Hua Junfeng
Original assignee: Northern Eng Co Ltd Of Road & Bridge; Road & Bridge Int Co Ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2024-01-09

Abstract

The disclosure belongs to the ﬁeld of tunnel construction equipment, in particular to a tunnel grouting device, which comprises a handle, a moving frame, a stirring mechanism for uniformly stirring and filling grouting raw materials, and a leveling mechanism for vibrating, compacting and leveling discharged grouting raw materials. The advantageous effects are as follows. After the eccentric vibrator and the vibrating head are arranged, the eccentric vibrator drives the vibrating head to vibrate the raw materials tightly after the grouting raw materials are ﬁlled into the pores, so that the grouting raw materials are pushed to the areas where the pores are not completely filled, the pores are ﬁlled and leveled, the air inside is vibrated, and then the vibrated road surface is smoothed by moving the tripod and bristles. According to the height requirements of actual construction, the ﬁrst motor and the threaded rod adjust the height of the moving tripod to ensure that the bristles have enough contact friction with the road surface and ensure the smoothness of the road surface.

Description

TUNNEL GROUTING DEVICE

FIELD OF THE DISCLOSURE

The disclosure relates to the field of tunnel construction equipment, in particular to a tunnel grouting device.

BACKGROUND OF THE RELATED ART

Grouting is one of the important working procedures in building construction. It is to inject some solidified slurry into cracks or pores of geotechnical foundation by appropriate methods, and improve the physical and mechanical properties of geotechnical foundation through replacement, filling and extrusion. In tunnel construction, grouting has the functions of seepage prevention, water plugging, consolidation, prevention of tunnel collapse and improvement of tunnel bearing capacity.

The disclosure of existing publication number: CN215057443U discloses a tunnel grouting device, which comprises a base, a grouting box arranged on the base and a feeding tank communicated with the grouting box through a switch; the top of the feed tank is detachably connected with a top cover; a stirring pipe is coaxially arranged in the feed tank; a stud is coaxially arranged in the stirring pipe; the bottom of the stud is fixedly connected with the inner wall of the feed tank through a supporting plate; and a slider is screwed on the stud. The side wall of the stirring tube is provided with a passage groove along the vertical direction, the side wall of the slider is detachably connected with a support rod, one end of the support rod passes through the passage groove, and the diameter of the support rod is slightly smaller than the groove width of the passage groove. One end of the support rod passing through the passage groove is connected with bristles, and the bristles abut against the inner wall of the feeding tank; wherein, the stirring tube is driven by a motor. The disclosure has the beneficial effects that the inner wall of the tunnel grouting device can be conveniently cleaned to ensure that the inner wall is clean without slurry residue.

There are some shortcomings in the use of the above patents. In the process of tunnel construction, water film may form between the tunnel floor and the raw materials during the filling process of grouting raw materials, which will affect the bonding between them,

and there may be pores and bubbles between the raw materials and the road surface of the tunnel, which will also affect the filling effect and smoothness of the tunnel pit.

SUMMARY OF THE DISCLOSURE

The disclosure aims to provide a tunnel grouting device.

The technical scheme adopt by that disclosure is as follows. The disclosure relates to a tunnel grouting device, which comprises a handle, a moving frame and a stirring mechanism for uniformly stirring and filling grouting raw materials, wherein the handle isarranged at the outer side of the moving frame, and the stirring mechanism is arranged above the moving frame, and also comprises a leveling mechanism for vibrating, compacting and leveling the discharged grouting raw materials;

The leveling mechanism comprises a first mounting frame, an eccentric vibrator, a vibrating head, a sliding frame, a moving block, a moving tripod, a threaded rod, a first motor and bristles. The first mounting frame is arranged above the moving frame, the eccentric vibrator is arranged above the first mounting frame, the output end of the eccentric vibrator passes through the moving frame and is provided with the vibrating head, and one side of the first mounting frame is provided with the sliding frame. The moving block is arranged inside the sliding frame, the moving tripod is arranged outside the moving block, and the threaded rod is arranged inside the sliding frame. A limit plate is arranged above the sliding frame, the first motor is arranged above the limit plate, and the bristles are arranged below the moving tripod.

Preferably, the stirring mechanism comprises a second mounting frame, a stirring barrel, a sealing cover, a feed pipe, a stirring shaft, a push rod, an annular scraper, a driving motor, a discharge pipe and an electromagnetic valve. The second mounting frame is arranged on the other side of the first mounting frame, the mixing barrel is arranged above the second mounting frame, and the sealing cover is arranged above the mixing barrel. The stirring shaft is arranged below the sealing cover, stirring blades are arranged outside the stirring shaft, the push rod is arranged below the sealing cover, the annular scraper is arranged at the output end of the push rod, and the driving motor is arranged above the sealing cover. The feed pipe is arranged at one side of the driving motor, the discharge pipe is arranged below the mixing barrel, and the electromagnetic valve is arranged outside the discharge pipe.

Preferably, the output end of the driving motor is connected with the stirring shaft through a coupling, a gap is maintained between the stirring barrel and the stirring blades of the stirring shaft, and the gap is greater than the thickness of the annular scraper, and the annular scraper is attached to the inner wall of the stirring barrel.

Preferably, the moving block is in sliding connection with the sliding frame, and the moving block is in threaded connection with the threaded rod.

Preferably, the first mounting frame is connected with the sliding frame by bolts, and both ends of the threaded rod are rotatably connected with the sliding frame.

Preferably, a damping spring is arranged between the output end of the eccentric vibrator

IO and the moving frame.

The disclosure has the following beneficial effects, After the eccentric vibrator and the vibrating head are arranged, the eccentric vibrator drives the vibrating head to vibrate the raw materials tightly after the grouting raw materials are filled into the pores, so that the grouting raw materials are pushed to the areas where the pores are not completely filled, the pores are filled and leveled, the air inside is vibrated, and then the vibrated road surface is smoothed by moving the tripod and bristles. According to the height requirements of actual construction, the first motor and the threaded rod adjust the height of the moving tripod to ensure that the bristles have enough contact friction with the road surface and ensure the smoothness of the road surface.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly explain the embodiments of the present disclosure or the technical scheme in the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained according to these drawings without paying creative labor.

Fig. 1 is a schematic structural diagram of a tunnel grouting device according to the present disclosure;

Fig. 21s a front view of a leveling mechanism of a tunnel grouting device according to the present disclosure;

Fig. 3 is a sectional view of a sliding frame of a tunnel grouting device according to the present disclosure;

Fig. 4 is a front view of a stirring mechanism of a tunnel grouting device according to the present disclosure;

Fig. 5 is a sectional view of a stirring mechanism of a tunnel grouting device according to the present disclosure;

Fig 61s an enlarged view in fig. 4A.

Reference numerals are explained as follows: 1. Leveling mechanism; 11. A first mounting frame; 12. Eccentric vibrator; 13.

Vibrating head; 14. Sliding frame; 15. Moving block; 16. Mobile tripod; 17. Threaded rod; 18. A first motor; 19. Bristles; 2. Stirring mechanism; 21. A second mounting frame; 22. Mixing barrel; 23. Sealing cover; 24. Feed pipe; 25. Mixing shaft; 26. Push rod; 27.

Annular scraper; 28. Drive motor; 29. Discharge pipe; 210. Solenoid valve; 3. Moving frame; 4. Handle.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

In the description of the present disclosure, it should be understood that the azimuth or positional relationship indicated by the term center, longitudinal, transverse, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside and outside. is based on the azimuth or positional relationship shown in the attached drawings. It is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as limiting the present disclosure. In addition, the terms "first", "second" and so on are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second" and so on may explicitly or implicitly include one or more of these features. In the description of the present disclosure, unless otherwise specified, "plural" means two or more.

In the description of the present disclosure, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be broadly understood, for example, they can be fixed connection, detachable connection or integrated connection; It can be a mechanical connection or an electrical connection;

Can be directly connected, can also be indirectly connected through an intermediate medium, and can be connected inside two elements. For those skilled in the art, the specific meanings of the above terms in the present disclosure can be understood through specific situations.

The present disclosure will be further illustrated by examples with the attached drawings. 5 Asshownin fig. 1-fig. 6, a tunnel grouting device comprises a handle 4, a moving frame 3, and a stirring mechanism 2 for uniformly stirring and filling grouting raw materials, wherein the handle 4 is arranged on the outer side of the moving frame 3, and the stirring mechanism 2 is arranged above the moving frame 3, and further comprises a leveling mechanism 1 for vibrating, compacting and leveling the discharged grouting raw

IO materials.

In this embodiment: The leveling mechanism 1 includes a first mounting frame 11, an eccentric vibrator 12, a vibrating head 13, a sliding frame 14, a moving block 15, a moving tripod 16, a threaded rod 17, a first motor 18 and bristles 19. The first mounting frame 11 is arranged above the moving frame 3, and an eccentric vibrator 12 is arranged above the first mounting frame 11. The output end of the eccentric vibrator 12 passes through the moving frame 3 and is provided with a vibrating head 13. One side of the first mounting frame 11 is provided with a sliding frame 14, and the inside of the sliding frame 14 is provided with a moving block 15, and the outside of the moving block 15 is provided with a moving tripod 16. A threaded rod 17 is arranged inside the sliding frame 14, alimit plate is arranged above the sliding frame 14, a first motor 18 is arranged above the limit plate, and bristles 19 are arranged below the moving tripod 16. The moving block 15 is connected with the sliding frame 14 in a sliding way, the moving block 15 is connected with the threaded rod 17 in a threaded way, and the first mounting frame 11 is connected with the sliding frame 14 in a bolt way. Both ends of the threaded rod 17 are rotatably connected with the sliding frame 14, and a damping spring is arranged between the output end of the eccentric vibrator 12 and the moving frame 3. The first mounting frame 11, the eccentric vibrator 12, the vibrating head 13 and the sliding frame 14 are arranged, and the eccentric vibrator 12 drives the vibrating head 13 to vibrate the raw materials tightly, so that the raw materials are fully contacted with the ground without air bubbles inside. Then the first motor 18 rotates with the threaded rod 17 to make the movable tripod 16 move up and down. According to the construction requirements, the height between the bristles 19 and the construction ground is adjusted to ensure that the bristles 19 have enough contact friction with the construction ground and ensure the smoothness of the road surface.

In this embodiment: The stirring mechanism 2 comprises a second mounting frame 21, a stirring barrel 22, a sealing cover 23, a feed pipe 24, a stirring shaft 25, a push rod 26, an annular scraper 27, a driving motor 28, a discharge pipe 29 and an electromagnetic valve 210. The second mounting frame 21 is arranged on the other side of the first mounting frame 11. A mixing barrel 22 is arranged above the second mounting frame 21. A sealing cover 23 is arranged above the mixing barrel 22. A mixing shaft 25 is arranged below the sealing cover 23. Mixing blades are arranged outside the mixing shaft 25. A push rod 26 is arranged below the sealing cover 23, and an annular scraper 27 is arranged at the output end of the push rod 26. A driving motor 28 is arranged above the sealing cover 23, a feed pipe 24 is arranged at one side of the driving motor 28, a discharge pipe 29 is arranged below the mixing barrel 22, and an electromagnetic valve 210 is arranged outside the discharge pipe 29. The output end of the driving motor 28 is connected with the stirring shaft 25 through a coupling, and a gap is maintained between the stirring barrel 22 and the stirring blades of the stirring shaft 25, which is greater than the thickness of the annular scraper 27. And the annular scraper 27 is attached to the inner wall of the mixing barrel 22. With the second mounting frame 21, the mixing barrel 22, the sealing cover 23, the feed pipe 24 and the mixing shaft 25, grouting raw materials are filled into the mixing barrel 22 through the feed pipe 24, and then the mixing shaft is driven by the driving motor 28. The stirring blade drives the grouting raw materials to stir, then the electromagnetic valve 210 is opened to discharge the raw materials into the pores on the ground through the discharge pipe 29, and then the push rod 26 pushes the annular scraper 27 downward to scrape off and clean the residual raw materials on 25 the inner wall of the mixing barrel 22.

Working principle: First, the grouting raw materials are filled into the mixing barrel 22 through the feed pipe 24, then the mixing shaft 25 is driven by the driving motor 28, and the mixing blades drive the grouting raw materials to stir, and then the electromagnetic valve 210 is opened to discharge the raw materials into the pores on the ground through the discharge pipe 29. After that, the push rod 26 pushes the annular scraper 27 downward to scrape off and clean the residual raw materials on the inner wall of the mixing barrel 22, and then the eccentric vibrator 12 drives the vibrating head 13 to vibrate the raw materials tightly, so that they can fully contact the ground without air bubbles inside. Then the first motor 18 rotates with the threaded rod 17 to make the movable tripod 16 move up and down. According to the construction requirements, the height between the bristles 19 and the construction ground 1s adjusted to ensure that the bristles 19 have enough contact friction with the construction ground and ensure the smoothness of the road surface.

The basic principle, main features and advantages of the present disclosure have been shown and described above. It should be understood by those skilled in the art that the present disclosure is not limited by the above-mentioned embodiments, and what is described in the above-mentioned embodiments and descriptions only illustrates the principles of the present disclosure. Without departing from the spirit and scope of the present disclosure, there will be various changes and improvements in the present disclosure, which fall within the scope of the claimed disclosure.

Claims

Conclusions

1. The tunnel jointing device, including a handle, a mobile frame, a mixing mechanism for mixing and filling the spice raw materials, the handle is removed from the outside of the mobile frame, the mixing mechanism is thrown above the mobile frame, characterized in that : it also includes a flattening mechanism for compacting and leveling the discharged joint material, the flattening mechanism includes a first mounting frame, an eccentric vibrator, a vibrating head, a sliding frame, a moving block, a mobile tripod, a threaded rod, a first motor, bristles, a first mounting frame that is placed above the mobile frame, an eccentric vibrator above the first mounting frame, the eccentric vibrator's output end runs through the mobile frame and the vibrating head is discharged, the first mounting frame is provided with a sliding frame on one side, the sliding frame is internally provided with the moving block, the external provision of the moving block is provided with the mobile tripod, the sliding frame is internally provided with the threaded rod, the sliding frame is provided with a finite plate above it, and the upper part of the boundary plate is provided with the first motor and the lower part of the mobile tripod is equipped with the brush hairs.

2. The tunnel jointing device according to claim 1, characterized in that: the mixing mechanism includes a second mounting frame, mixing drum, sealing cover, feed pipe, mixing shaft, pusher, annular scraper, drive motor, discharge pipe, solenoid valve, the second mounting frame is placed on the other side of the first mounting frame removed, the second mounting frame is above the mixing drum, the drum mixing gear, and the upper part of the sealing cover is discharged with the mixing shaft, the outer part of the mixing shaft is equipped with stirring blades, the lower part of the sealing cover is equipped with the push rod, the output end of the pusher is provided with the annular scraper, the upper part of the sealing cover is provided with the driving motor, the feeding pipe is discharged on one side of the driving motor, the lower part of the mixing drum is provided with the discharge pipe, and the outside of the drain pipe is equipped with the solenoid valve.

3. The tunnel jointing device according to claim 2, characterized in that: the output end of the driving motor is connected to the mixing shaft through a coupling and there is a gap between the mixing drum and the stirring blade of the mixing shaft, the gap is larger than the thickness of the annular scraper and the annular scraper is mounted on the inner wall of the mixing drum.

4. The tunnel joining device according to claim 1, characterized in that: the moving block is connected to the sliding frame and the moving block is connected to the threaded rod.

5. The tunnel joint device according to claim 1, characterized in that: the first mounting frame is bolted to the sliding frame and the two ends of the threaded rod are rotated and connected to the sliding frame.

6. The tunnel joint device according to claim 1, characterized in that: a shock spring is provided between the output end of the eccentric vibrator and the moving frame.