Tunnel drainage structure

By designing a tunnel drainage structure including an inclined filter and a flushing unit, the problem of stopping the device cleaning up debris in the prior art is solved, and the effect of cleaning up debris without shutdown is achieved, and the working efficiency is improved.

CN222668233UActive Publication Date: 2025-03-25CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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Patent Information

Application Number
CN202421281573.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-03-25
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The existing tunnel drainage structure needs to stop the entire device when cleaning up filtered debris, resulting in wasted use time and reduced work efficiency.

Method used

A tunnel drainage structure including a filter box, a water inlet unit, a filter unit, a filter unit, a filter unit flushing unit and a collection unit is designed. Through the combination of an inclined filter net and a flushing unit, the filtering debris can be cleaned without shutdown.

Benefits of technology

The filtered debris can be cleaned without stopping the entire device, avoiding the waste of use time and improving work efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222668233U_ABST
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Abstract

A tunnel drainage structure comprises a filter box, a water inlet unit, a filter unit, a filter unit flushing unit and a collecting unit. The water inlet unit is arranged at the bottom of one end of the filter box, the filter unit is arranged in the filter box, and an outlet of the water inlet unit is located at the top of the filter unit; the filtering unit flushing unit is mounted on the filtering unit and is used for flushing impurities on the filtering unit; the collecting unit is installed on the outer side of the other end of the filter box and used for collecting sundries. Accumulated water in the water pit is conveyed to the inclined filter screen through the water inlet unit, impurities existing in the water are filtered through the inclined filter screen, the filtered water is collected in the filter box, impurity filtering is achieved, the filtered impurities can be cleaned without shutdown of the whole device, the situation that the working efficiency is affected due to shutdown is avoided, and the service life of the device is prolonged. And the practicability is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel drainage, and in particular relates to a tunnel drainage structure. Background Art

[0002] With the rapid development of my country's transportation industry, there are more and more highway and railway construction projects, and at the same time, tunnel construction is also gradually increasing. In tunnel engineering, drainage is an important issue in project construction, which directly affects the safety and stability of the entire project. Effective tunnel engineering drainage and reverse slope drainage are crucial. Reverse slope drainage is one of the important processes in the construction of long and large tunnels and is the key to safe tunnel construction.

[0003] The prior art discloses a karst tunnel drainage structure, which relates to the field of tunnel drainage, including a fixed pump station and a mobile pump station, both of which include a basic pump station, and the basic pump station includes a bottom plate, a filter box fixed to the bottom plate, and a first filter basket and a second filter basket arranged in the filter box.

[0004] However, the above-mentioned prior art still has some shortcomings in actual use. When cleaning the debris under the filter, the above-mentioned prior art needs to stop the entire device, and then remove the filter basket from the inside of the entire device to clean the debris under the filter. Since the entire device needs to be stopped, the use time of the entire device is wasted, thereby reducing the work efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a tunnel drainage structure to solve the above problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A tunnel drainage structure comprises a filter box, a water inlet unit, a filter unit, a filter unit flushing unit and a collection unit; the water inlet unit is arranged at the bottom of one end of the filter box, the filter unit is arranged inside the filter box, and the outlet of the water inlet unit is located at the top of the filter unit; the filter unit flushing unit is installed on the filter unit and is used to flush debris on the filter unit; the collection unit is installed on the outside of the other end of the filter box and is used to collect debris.

[0008] Furthermore, the water inlet unit includes a delivery pipe, a first water pump, a first water outlet pipe and a first water pumping pipe; one end of the first water pump is connected to the first water pumping pipe, and the other end is connected to the first water outlet pipe, and the first water outlet pipe is connected to the delivery pipe.

[0009] Furthermore, the delivery pipe is a U-shaped pipe, and the outlet of the delivery pipe is located above the filter unit.

[0010] Furthermore, the filter unit is an inclined filter screen, which is inclined and covers the top of the filter box.

[0011] Furthermore, the filter unit flushing unit includes a hollow plate, an inclined nozzle and a water supply unit; one end of the water supply unit is connected to the bottom of the filter box, and the other end is connected to the hollow plate. The hollow plate is installed on one side of the inclined filter net, and several inclined nozzles are installed on the hollow plate. The spray direction of the inclined nozzle is toward the inclined filter net.

[0012] Furthermore, the water supply unit includes a second water pump, a second water pumping pipe and a second water outlet pipe, one end of the second water pumping pipe is connected to the filter box, and the other end is connected to the second water pump, one end of the second water outlet pipe is connected to the second water pump, and the other end is connected to the hollow plate.

[0013] Furthermore, the collecting unit includes an installation frame, a square frame, a blocking filter and a sewage inlet groove; the installation frame is installed on the side of the filter box, and a sewage inlet groove is opened on the filter box at the end of the inclined filter, the sewage inlet groove is connected to the installation frame, a square frame is arranged in the installation frame, and the blocking filter is arranged in the square frame; the bottom of the installation frame is connected to the filter box.

[0014] Furthermore, a sewage inlet slot sealing unit is arranged on the top of the installation frame, and the sewage inlet slot sealing unit comprises a bidirectional motor, a movable screw, a threaded plate, a connecting rod, a push plate, a motor fixing plate, a push rod, a guide rod, a movable slide plate and a second rubber sealing plate; the bidirectional motor is fixed to the top of the installation frame through the motor fixing plate, and the output end of the bidirectional motor is connected to the movable screw, the threaded plate is sleeved on the movable screw, the threaded plate is connected to the connecting rod, the connecting rod is connected to the push plate, the push plate is connected to the push rod, the movable slide plate, the second rubber sealing plate and the guide rod in sequence, the guide rod faces the sewage inlet slot, and when the bidirectional motor is started, it drives the second rubber sealing plate to move toward the sewage inlet slot to close the sewage inlet slot.

[0015] Furthermore, the installation frame is provided with a sealing groove on the side wall of the square frame, a first rubber sealing plate is provided on the sealing groove, and a pull-out plate is provided on the first rubber sealing plate.

[0016] Furthermore, a drain outlet is provided at the bottom of the filter box, the drain outlet is connected to the third water pumping pipe, the third water pumping pipe is connected to the third water pump, and the third water pump is connected to the third water outlet pipe; the filter box is installed on the bottom plate, and universal wheels are provided at the bottom of the bottom plate.

[0017] Compared with the prior art, the utility model has the following technical effects:

[0018] The utility model transmits the accumulated water in the puddle to the inclined filter net through the water inlet unit, filters the debris in the water through the inclined filter net, and collects the filtered water in the filter box to realize the debris filtering. At the same time, a filter unit flushing unit is provided to flush the debris on the inclined filter net, and the flushed debris is collected in the collection unit, and the water filtered by the collection unit returns to the filter box. Under the above-mentioned coordinated action, the filtered debris can be cleaned without shutting down the whole device, thus avoiding the shutdown affecting the work efficiency and improving the practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model.

[0020] Figure 2 It is a cross-sectional view of the utility model.

[0021] Figure 3 This is a top view of the installation frame of the utility model.

[0022] Figure 4 This is a schematic diagram of the installation of the inclined sprinkler head of the utility model. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figures 1 to 4 The utility model solves the above-mentioned technical problems as follows: it comprises a filter box 6 and a base 5, a support plate is fixedly connected to one side of the filter box, a hollow plate is fixedly connected to the upper end of the support plate, a plurality of inclined nozzles 23 are fixedly connected to one side of the hollow plate 22, a second water pump 8 is provided at the front end of the filter box 6, a second water pump 8 is fixedly connected to the movable base at the bottom end, a second water pump 8 is fixedly connected to the second water pumping pipe 9 which is fixedly connected to the inside of the filter box at the water pumping end, a second water outlet pipe 7 which penetrates the filter box and the hollow plate and is fixedly connected to the penetrating part is fixedly connected to the water outlet end of the second water pump 8, an inclined filter screen 25 which is fixedly connected to the inside of the filter box is fixedly connected to one side of the support plate, a mounting frame 17 is fixedly connected to one side of the filter box, a sealing through groove 26 is provided on the surface of the mounting frame 17, and a sealing groove 26 is provided on the surface of the mounting frame 17. A first rubber sealing plate 29 is sleeved and connected inside the sealing groove 26, and one side of the first rubber sealing plate 29 is fixedly connected to a square frame 30 that is slidably connected to the inner surface of the mounting frame and the sealing groove, and a blocking filter screen 31 is fixedly connected inside the square frame 30. A sewage inlet groove 26 and a water inlet groove are provided on one side of the filter box, and a movable slide plate 32 that is slidably connected to the inside of the mounting frame is provided above the square frame, and one side of the movable slide plate 32 is fixedly connected to a second rubber sealing plate 33 that is sleeved and connected to the inside of the sewage inlet groove, and limiting grooves are provided on both the front and rear side surfaces inside the mounting frame, and a limiting slider fixedly connected to the movable slide plate is slidably connected inside the limiting groove, and the movable slide plate is connected to the mounting frame through a moving mechanism, and the other side of the first rubber sealing plate is fixedly connected to a pull-out plate 18.

[0027] A handle is fixedly connected to one side of the pull-out plate 18, the filter box is fixedly connected to the upper end surface of the movable base, and a transparent window is provided on the front end surface of the filter box.

[0028] The four corners of the lower end surface of the base 5 are fixedly connected with moving columns, and the lower end of the moving column is fixedly connected with a universal wheel with a braking function.

[0029] The other side of the filter box is provided with a first water pump 4 whose bottom end is fixedly connected to the upper end surface of the movable base, and a first water pumping pipe 3 is fixedly connected to the water pumping end of the first water pump 4.

[0030] A delivery pipe 1 fixedly connected to the surface of the filter box through a fixing rod is arranged above the first water pump, and a first water outlet pipe 2 fixedly connected to the delivery pipe is fixedly connected to the water outlet end of the first water pump 4.

[0031] A third water pump 19 is provided on the other side of the filter box, and the bottom end is fixedly connected to the upper end surface of the movable base. The pumping end of the third water pump 19 is fixedly connected to a third pumping pipe 20 fixedly connected to the inside of the filter box. The outlet end of the third water pump 19 is fixedly connected to a third outlet pipe 21.

[0032] A sewage inlet slot blocking unit is arranged on the top of the mounting frame 17, and the sewage inlet slot blocking unit comprises a bidirectional motor 14, a movable screw 10, a threaded plate 11, a connecting rod 12, a push plate 13, a motor fixing plate 15, a push rod 16, a guide rod 34, a movable slide plate 32 and a second rubber sealing plate 33; the bidirectional motor 14 is fixed to the top of the mounting frame 17 through the motor fixing plate 15, the output end of the bidirectional motor 14 is connected to the movable screw 10, the threaded plate 11 is sleeved on the movable screw 10, the threaded plate 11 is connected to the connecting rod 12, the connecting rod 12 is connected to the push plate 13, the push plate 13 is connected with the push rod 16, the movable slide plate 32, the second rubber sealing plate 33 and the guide rod 34 in sequence, the guide rod 34 faces the sewage inlet slot 26, and when the bidirectional motor 14 is started, it drives the second rubber sealing plate 33 to move toward the sewage inlet slot 26 to close the sewage inlet slot 26.

[0033] When in use, the accumulated water in the puddle is transported to the inclined filter screen 25 through the cooperation between the delivery pipe 1, the first water pump 4, the first water outlet pipe 2 and the first pumping pipe 3, and the debris in the water is filtered through the inclined filter screen 25. The filtered water is collected inside the filter box 6, and the collected water can be discharged later by starting the third water pump 19. When the entire device needs to clean the debris accumulated on the upper end of the inclined filter screen 25 during operation, the second water pump 8 is started to allow the water collected inside the filter box 6 to be transported into the hollow plate 22, and then sprayed out through the inclined nozzle 23, so as to flush the debris accumulated on the surface of the inclined filter screen 25, and the flushed debris can be dropped into the square frame 30 through the sewage inlet groove 26, and the debris is collected in the square frame 30 under the action of the blocking filter screen 31, and the water will return to the filter box 6 through the water inlet groove 27. When the debris on the upper end surface of the inclined filter screen 25 is almost cleaned, the moving The screw rod 10 rotates to make the threaded plate 11 slide, and then the movable slide plate 32 drives the second rubber sealing plate 33 to move toward the sewage inlet groove 26 under the action of the connecting rod 12, the push plate 13 and the push rod 16, so that the second rubber sealing plate 33 is sleeved into the sewage inlet groove 26, thereby closing the sewage inlet groove 26 to prevent debris from entering the installation frame 17 through the sewage inlet groove 26 when the filter frame is taken out, and then the first rubber sealing plate 29 is separated from the sealing groove 28 by directly pulling the pull-out plate 18, so that the square frame 30 is taken out of the installation frame 17, so that the debris under flushing can be cleaned, and after cleaning, the square frame 30 can be reinstalled in the installation frame 17 for use, and then the bidirectional motor 14 can be controlled to reverse to make the movable slide plate 32 drive the second rubber sealing plate 33 to separate from the sewage inlet groove 26. In the above manner, the debris on the upper end surface of the inclined filter screen 25 can be cleaned without stopping the entire device, thereby improving work efficiency.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A tunnel drainage structure, characterized in that: It comprises a filter box (6), a water inlet unit, a filter unit, a filter unit flushing unit and a collection unit; the water inlet unit is arranged at the bottom of one end of the filter box (6), the filter unit is arranged inside the filter box (6), and the outlet of the water inlet unit is located at the top of the filter unit; The filter unit flushing unit is installed on the filter unit and is used to flush the debris on the filter unit; The collecting unit is installed on the outside of the other end of the filter box (6) and is used to collect debris; The filter unit is an inclined filter screen (25), and the inclined filter screen (25) is inclined and covers the top of the filter box (6); The filter unit flushing unit comprises a hollow plate (22), an inclined nozzle (23) and a water supply unit; one end of the water supply unit is connected to the bottom of the filter box (6), and the other end is connected to the hollow plate (22); the hollow plate (22) is installed on one side of the inclined filter net (25); a plurality of inclined nozzles (23) are installed on the hollow plate (22); and the spraying direction of the inclined nozzles (23) is toward the inclined filter net (25).

2. A tunnel drainage structure according to claim 1, characterized in that: The water inlet unit comprises a delivery pipe (1), a first water pump (4), a first water outlet pipe (2) and a first water pumping pipe (3); one end of the first water pump (4) is connected to the first water pumping pipe (3), and the other end is connected to the first water outlet pipe (2); the first water outlet pipe (2) is connected to the delivery pipe (1).

3. A tunnel drainage structure according to claim 2, characterized in that: The delivery pipe (1) is a U-shaped pipe, and the outlet of the delivery pipe (1) is located above the filter unit.

4. A tunnel drainage structure according to claim 1, characterized in that: The water supply unit comprises a second water pump (8), a second water suction pipe (9) and a second water outlet pipe (7); one end of the second water suction pipe (9) is connected to the filter box (6) and the other end is connected to the second water pump (8); one end of the second water outlet pipe (7) is connected to the second water pump (8) and the other end is connected to the hollow plate (22).

5. A tunnel drainage structure according to claim 1, characterized in that: The collecting unit comprises a mounting frame (17), a square frame (30), a blocking filter (31) and a sewage inlet groove (26); the mounting frame (17) is mounted on the side of a filter box (6); a sewage inlet groove (26) is provided on the filter box (6) at the end of the inclined filter (25); the sewage inlet groove (26) is connected to the mounting frame (17); a square frame (30) is arranged in the mounting frame (17); and a blocking filter (31) is arranged in the square frame (30); and the bottom of the mounting frame (17) is connected to the filter box (6).

6. A tunnel drainage structure according to claim 1, characterized in that: A sewage inlet slot blocking unit is arranged on the top of the installation frame (17), and the sewage inlet slot blocking unit comprises a bidirectional motor (14), a movable screw rod (10), a threaded plate (11), a connecting rod (12), a push plate (13), a motor fixing plate (15), a push rod (16), a guide rod (34), a movable slide plate (32) and a second rubber sealing plate (33); the bidirectional motor (14) is fixed to the top of the installation frame (17) through the motor fixing plate (15), and the output end of the bidirectional motor (14) is connected to the movable screw rod (10). (10), the threaded plate (11) is sleeved on the movable screw rod (10), the threaded plate (11) is connected to the connecting rod (12), the connecting rod (12) is connected to the push plate (13), the push plate (13) is sequentially connected to the push rod (16), the movable slide plate (32), the second rubber sealing plate (33) and the guide rod (34), the guide rod (34) faces the sewage inlet groove (26), and when the bidirectional motor (14) is started, it drives the second rubber sealing plate (33) to move toward the sewage inlet groove (26) to close the sewage inlet groove (26).

7. A tunnel drainage structure according to claim 1, characterized in that: A sealing groove (28) is provided on the side wall of the installation frame (17) provided with a square frame (30), a first rubber sealing plate (29) is provided on the sealing groove (28), and a pull-out plate (18) is provided on the first rubber sealing plate (29).

8. A tunnel drainage structure according to claim 1, characterized in that: A drain port is provided at the bottom of the filter box (6), the drain port is connected to a third water pumping pipe (20), the third water pumping pipe (20) is connected to a third water pump (19), and the third water pump (19) is connected to a third water outlet pipe (21); the filter box (6) is mounted on a bottom plate (5), and a universal wheel is provided at the bottom of the bottom plate (5).