Temporary drainage device for initial support section of tunnel

The design of the spiral conveying shaft and multi-stage filter plates solves the problem of low mud treatment efficiency in tunnel construction, achieves efficient separation and cleaning of slurry and impurities, and facilitates the efficient operation of the tunnel construction drainage device.

CN223424080UActive Publication Date: 2025-10-10THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GRP
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423205922.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-10-10
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In existing tunnel construction, gravel and soil in the mud are discharged directly without being treated, which affects the use of drainage ditches, increases the burden of manpower for cleaning, and reduces treatment efficiency.

Method used

The spiral conveying shaft is used to drive the slurry to rotate, and the slurry is initially filtered through the first filter plate, and the impurities are discharged through the discharge port. The second filter plate performs secondary filtration, and the impurities remain in the filter plate, which is convenient to clean and improves the filtration quality.

Benefits of technology

It achieves rapid separation of slurry and impurities, improves filtration efficiency and quality, facilitates subsequent processing, and reduces the burden of manpower cleaning.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223424080U_ABST
    Figure CN223424080U_ABST
Patent Text Reader

Abstract

The utility model discloses a tunnel initial support section temporary drainage device which comprises a machine body, a first filter plate and a second filter plate, a rotating motor is installed on one side of the machine body, the output end of the rotating motor is fixedly connected with a spiral conveying shaft, the first filter plate is arranged in the machine body, and the second filter plate is arranged in the machine body. The bottom of the first filter plate is provided with a filter bin, the two sides of the interior of the filter bin are both provided with clamping plates, the clamping plates are internally connected with second filter plates in a sliding mode, and the bottoms of the second filter plates are provided with water storage bins. Unfiltered impurities are pushed to be discharged, the impurities are discharged through a discharging opening, liquid and the impurities are rapidly separated, and the efficiency of subsequent slurry treatment is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel drainage technical field, concretely is a kind of tunnel primary support section temporary drainage device. BACKGROUND

[0002] During tunnel construction, if groundwater is not discharged in time, it may cause water accumulation inside the tunnel, increase construction difficulty and safety hazards. Water accumulation can make the soil soft, increase the risk of landslides, and also affect the normal operation of construction machinery, and even cause construction personnel to drown. Drainage can keep the construction site dry, reduce construction obstacles caused by water accumulation, improve construction efficiency and quality. If groundwater pressure is too large, it may damage the tunnel structure and affect the stability and safety of the tunnel. Drainage can effectively reduce groundwater pressure and protect the tunnel structure from damage.

[0003] After searching, a kind of tunnel temporary drainage guarantee device of Chinese utility model patent CN219139132U, including the inner chamber of shell is welded with clamping rod, the inner chamber of shell and the top of clamping rod is clamped with filter plate, the front of shell is provided with water pump, and the water pumping end of water pump is communicated with first connecting hose;Mud and other impurities in silt water are filtered down by filter plate, and filtered water enters the inner chamber of shell along the hole of filter plate, and the water in the inner chamber of shell is filtered twice by filter screen assembly, and the residual mud and other impurities are filtered out, and the filtered water is pumped by water pump and is transported to the inner chamber of second connecting hose, then the worker holds handle, places hard tube in external water storage barrel, and then discharges filtered water to the inner chamber of external water storage barrel.

[0004] The existing device has the following problems when in use: when tunnel is built, a large amount of gravel and soil is carried in the mined slurry, and if the slurry is directly discharged without treatment, it will affect the subsequent use of drainage ditch. However, when the slurry is treated, gravel and soil accumulate on the filter plate, which not only affects the subsequent slurry treatment, but also requires additional manpower to clean up continuously, which undoubtedly reduces the work efficiency of slurry treatment. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of tunnel primary support section temporary drainage device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a temporary drainage device for the primary branch section of a tunnel, comprising a machine body, a first filter plate, and a second filter plate. A rotating motor is installed on one side of the machine body, and the output end of the rotating motor is fastened to a spiral conveying shaft. A first filter plate is arranged inside the machine body, and a filter bin is arranged at the bottom of the first filter plate. Cards are arranged on both sides of the interior of the filter bin, and a second filter plate is slidably connected in the card plate. A water storage bin is arranged at the bottom of the second filter plate.

[0007] By adopting the above technical solution, the rotating motor is started to drive the spiral conveying shaft to rotate, and the spiral conveying shaft drives the slurry to rotate, so that the slurry fully passes through the first filter plate, and the unfiltered impurities are pushed out, and the impurities in the slurry are preliminarily filtered. The filtered slurry falls into the interior of the filter bin and is filtered through the second filter plate, so that the water flows through the second filter plate into the interior of the water storage bin, and the impurities in the slurry remain in the interior of the second filter plate, thereby improving the quality of water treatment through the second filter plate.

[0008] Preferably, a liquid inlet is provided on the top of the body, and a guide plate is provided inside the liquid inlet.

[0009] By adopting the above technical solution, the tunnel slurry is injected into the interior of the machine body through the liquid inlet, and the guide plate is provided to make the slurry flow to the end of the spiral conveying shaft away from the discharge port, thereby increasing the time the slurry takes to pass through the first filter plate when moving, so that the slurry is filtered more thoroughly.

[0010] Preferably, a base is provided at the bottom of the body, and running wheels are provided at the bottom of the base.

[0011] By adopting the above technical solution, the running wheels at the bottom of the machine body are pushed to move accordingly, thereby improving the convenience of use.

[0012] Preferably, a discharge port is provided on one side of the machine body, and the first filter plate is configured to be arc-shaped.

[0013] By adopting the above technical solution, impurities are discharged through the discharge port, and the arc-shaped first filter plate is convenient for use with the screw conveying shaft, so that the impurities on the first filter plate are pushed when the screw conveying shaft rotates.

[0014] Preferably, a notch is provided on one side of the machine body, a second filter plate is provided in the notch, a handle is provided on one side of the second filter plate, and both sides of the notch are rotatably connected to limit blocks.

[0015] By adopting the above technical solution, the limiting block is rotated and the handle is pulled to separate the second filter plate from the machine body, which makes it easier to clean the second filter plate and improves the filtering effect.

[0016] Preferably, handles are provided on both sides of the body, and a drain outlet is provided on one side of the water storage tank.

[0017] By adopting the above technical solution, the handle is pulled to push the machine body to move, thereby facilitating reaching the working position, and the filtered liquid is discharged through the drain port.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. The spiral conveying shaft drives the slurry to rotate, so that the slurry fully passes through the first filter plate and pushes out the unfiltered impurities, discharges the impurities through the discharge port, quickly separates the liquid and impurities, and improves the efficiency of subsequent slurry treatment.

[0020] 2. Perform secondary filtration through the second filter plate to improve the quality of the filtered liquid and facilitate subsequent use. By turning the limit block and pulling the handle to detach the second filter plate from the body, it is easy to clean the second filter plate and improve the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model.

[0023] Figure 3 This is a schematic diagram of the structure of the second filter plate of the present utility model.

[0024] Figure 4 It is a schematic diagram of the side cross-sectional structure of the utility model.

[0025] In the figure: 1. Liquid inlet; 2. Machine body; 3. Rotating motor; 4. Screw conveyor shaft; 5. First filter plate; 6. Filter chamber; 7. Second filter plate; 8. Water storage chamber; 9. Base; 10. Travel wheel; 11. Discharge port; 12. Guide plate; 13. Handle; 14. Grip; 15. Drain outlet; 16. Card; 17. Limit block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] The utility model provides a technical solution: a temporary drainage device for the primary branch section of a tunnel, comprising a body 2, a first filter plate 5, and a second filter plate 7. Figure 1 、 Figure 2 A liquid inlet 1 is provided on the top of the body 2, and a guide plate 12 is provided inside the liquid inlet 1. The tunnel slurry is injected into the body 2 through the liquid inlet 1. The guide plate 12 is provided to make the slurry flow to the end of the spiral conveying shaft 4 away from the discharge port 11, thereby increasing the time for the slurry to pass through the first filter plate 5 when it moves, so that the slurry is filtered more thoroughly.

[0028] See also Figure 1 、 Figure 2 、 Figure 4 A rotating motor 3 is installed on one side of the body 2, and the output end of the rotating motor 3 is fastened to a spiral conveying shaft 4. A first filter plate 5 is provided inside the body 2, and a discharge port 11 is provided on one side of the body 2. The first filter plate 5 is set to an arc shape. The rotating motor 3 is started to drive the spiral conveying shaft 4 to rotate, and the spiral conveying shaft 4 drives the slurry to rotate, so that the slurry fully passes through the first filter plate 5, and the unfiltered impurities are pushed out, and the impurities are discharged through the discharge port 11, and the impurities in the slurry are preliminarily filtered.

[0029] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 , a filter bin 6 is provided at the bottom of the first filter plate 5, and a card plate 16 is provided on both sides of the interior of the filter bin 6. A second filter plate 7 is slidably connected to the card plate 16, and a water storage bin 8 is provided at the bottom of the second filter plate 7. The filtered slurry falls into the interior of the filter bin 6 and is filtered by the second filter plate 7, so that the water flows through the second filter plate 7 into the interior of the water storage bin 8 and is discharged through the drain port 15. A notch is provided on one side of the body 2, and a second filter plate 7 is provided in the notch. A handle 14 is provided on one side of the second filter plate 7. Both sides of the groove are rotatably connected to the limit block 17, and the impurities in the slurry remain inside the second filter plate 7. The limit block 17 is rotated and the handle 14 is pulled to separate the second filter plate 7 from the body 2, so that the second filter plate 7 can be cleaned and the filtering effect can be improved. A drain outlet 15 is provided on one side of the water storage tank 8, and handles 13 are provided on both sides of the body 2. A base 9 is provided at the bottom of the body 2, and a walking wheel 10 is provided at the bottom of the base 9. The handle 13 is pulled to push the body 2 to move, so as to facilitate reaching the working position and be more convenient to use.

[0030] Working principle: The tunnel slurry is put into the interior of the machine body 2 through the liquid inlet 1, and the slurry is made to flow to the end of the spiral conveying shaft 4 away from the discharge port 11 by providing a guide plate 12, thereby starting the rotating motor 3 to drive the spiral conveying shaft 4 to rotate, and the spiral conveying shaft 4 drives the slurry to rotate, so that the slurry fully passes through the first filter plate 5, and the unfiltered impurities are pushed out, and the impurities are discharged through the discharge port 11, and the impurities in the slurry are preliminarily filtered. The filtered slurry falls into the interior of the filter bin 6 and is filtered through the second filter plate 7, so that the water flows through the second filter plate 7 into the interior of the water storage bin 8 and is discharged through the drain port 15. The impurities in the slurry remain in the interior of the second filter plate 7, rotate the limit block 17, and pull the handle 14 to detach the second filter plate 7 from the machine body 2, so that the second filter plate 7 can be cleaned and the filtering effect can be improved. Pull the handle 13 to push the machine body 2 to move, so that it is easy to reach the working position.

[0031] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temporary drainage device for a primary branch section of a tunnel, comprising a body (2), a first filter plate (5), and a second filter plate (7), characterized in that: A rotating motor (3) is installed on one side of the machine body (2), and the output end of the rotating motor (3) is tightly connected to a screw conveying shaft (4). A first filter plate (5) is provided inside the machine body (2), and a filter bin (6) is provided at the bottom of the first filter plate (5). Both sides of the filter bin (6) are provided with a clamping plate (16), and a second filter plate (7) is slidably connected inside the clamping plate (16). A water storage bin (8) is provided at the bottom of the second filter plate (7).

2. A temporary drainage device for the primary branch section of a tunnel according to claim 1, characterized in that: A liquid inlet (1) is provided on the top of the machine body (2), and a guide plate (12) is provided inside the liquid inlet (1).

3. A temporary drainage device for the primary branch section of a tunnel according to claim 1, characterized in that: A base (9) is provided at the bottom of the machine body (2), and running wheels (10) are provided at the bottom of the base (9).

4. A temporary drainage device for the primary branch section of a tunnel according to claim 1, characterized in that: A discharge port (11) is provided on one side of the machine body (2), and the first filter plate (5) is configured to be arc-shaped.

5. The temporary drainage device for the primary branch section of a tunnel according to claim 1, characterized in that: A notch is provided on one side of the machine body (2), a second filter plate (7) is provided in the notch, a handle (14) is provided on one side of the second filter plate (7), and both sides of the notch are rotatably connected to limit blocks (17).

6. A temporary drainage device for the primary branch section of a tunnel according to claim 1, characterized in that: Both sides of the machine body (2) are provided with handles (13), and one side of the water storage tank (8) is provided with a drain outlet (15).

Citation Information

Patent Citations

  • Temporary drainage guarantee device for tunnel

    CN219139132U