CN219865147U - Automatic drainage system for tunnel reverse slope - Google Patents

Abstract

The utility model discloses a tunnel reverse slope automatic drainage system, which comprises a plurality of water collecting wells arranged along a reverse slope, wherein a water pumping assembly is fixedly arranged in each water collecting well, and a filtering assembly is arranged at the top end of each water collecting well; a water level controller is arranged in the water collecting well and is electrically connected with a water pumping assembly; the outlet of the water pumping assembly extends into the adjacent water collecting well; the water level controller comprises a measuring pipe longitudinally fixedly connected to the side wall of the water collecting well, and a floating ball floats in the measuring pipe; one side of the measuring tube is fixedly connected with a guide rail, the top end and the bottom end of the inner cavity of the guide rail are respectively provided with a contact sensor electrically connected with the pumping assembly, the side wall of the floating ball is fixedly connected with a sliding block which is correspondingly arranged with the guide rail, the sliding block is slidably connected in the guide rail, and the sliding block is detachably connected with the two contact sensors respectively. The utility model realizes the full automatic start and stop of the water pumping assembly, greatly reduces the manpower consumption, simultaneously reduces the sediment precipitation of the water collecting well and reduces the maintenance difficulty of the water collecting well.

Description

Automatic drainage system for tunnel reverse slope

Technical Field

The utility model belongs to the technical field of construction drainage, and particularly relates to an automatic drainage system for a tunnel reverse slope.

Background

In the tunnel reverse slope construction process, groundwater and construction water are collected towards the face, so that surrounding rocks at the lower part of the face are in a water soaking state, the surrounding rocks are easy to soften and unstable, and the life safety of operators is seriously threatened. Therefore, in order to perform the tunnel construction better, it is necessary to provide a tunnel reverse slope drainage system, and the accumulated water is drained outside the tunnel by using the tunnel reverse slope drainage system.

The Chinese patent with the patent number of CN201820572094.3 discloses a tunnel reverse slope drainage system, which comprises a roadbed, wherein the upper surface of the roadbed is provided with a water diversion groove, the water diversion groove is in a V-shaped structure, the other end of the water diversion groove is provided with a water diversion canal, the water diversion canal is arranged on the upper surface of the roadbed, two ends of the roadbed are respectively provided with a water storage well, and the water storage wells are arranged on the water diversion canal. This tunnel counter slope drainage system makes the rainwater get into the canal through the water channel on the road bed in, in making the rainwater get into the storage well through the water inlet on the well lid, when the liquid level risees in the storage well, make the support round bar upwards move and drive the dwang rotatory, the dwang left end extrudees the balancing pole downwards, make balancing pole compression spring, and make the switch contact press switch on balancing pole right side, make the water pump switch on power take rainwater out and transport the rainwater to next storage well through the outlet pipe, transport in proper order until every storage well liquid level is less than the kicking block, automatic drainage's purpose has been realized.

However, in the above technical scheme, the automatic switch control of the water pump needs to reach a certain water level to start, the water level is reduced after the water pump starts, the spring drives the switch to be disconnected, water in the water storage well is accumulated, sediment precipitation causes blockage, the water storage well needs to be dug for cleaning at intervals, and the water storage well is inconvenient to use.

Therefore, it is needed to design an automatic drainage system for tunnel reverse slope to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an automatic drainage system for a tunnel reverse slope.

In order to achieve the above purpose, the utility model provides a tunnel reverse slope automatic drainage system, which comprises a plurality of water collecting wells arranged along a reverse slope, wherein a water pumping assembly is fixedly arranged in each water collecting well, and an outlet of each water pumping assembly extends into the other water collecting well along the reverse slope; a filter assembly is arranged at the top end of the water collecting well;

a water level controller is arranged in the water collecting well and is electrically connected with a water pumping assembly; the outlet of the water pumping assembly extends into the adjacent water collecting well;

the water level controller comprises a measuring pipe longitudinally fixedly connected to the side wall of the water collecting well, and a floating ball floats in the measuring pipe; one side rigid coupling of survey buret has the guide rail, inner chamber top and bottom of guide rail be provided with respectively with pump water subassembly electric connection's contact sensor, floater lateral wall rigid coupling have with the slider that the guide rail corresponds the setting, slider sliding connection is in the guide rail, the slider respectively with two contact sensor can dismantle the connection.

Preferably, two ends of the inner cavity of the measuring tube are fixedly connected with fixed frames respectively, a guide rod is fixedly connected between the two fixed frames, and the floating ball is sleeved on the guide rod in a sliding way; the floating ball is detachably connected with the fixed frame.

Preferably, a baffle is fixedly connected to the middle of the bottom end of the water collecting well, the baffle divides the water collecting well into a sedimentation area and a water storage area which are mutually communicated, and the measuring tube is fixedly connected to the side wall of the water storage area; the inlets of the water pumping assembly respectively extend into the bottom ends of the sedimentation area and the water storage area; the outlet of the water pumping assembly is arranged corresponding to the filtering assembly, and extends into the other precipitation area along the reverse slope.

Preferably, the water pumping assembly comprises a water pump and a sludge pump, the water pump is fixedly arranged at the bottom end of the water storage area, and the sludge pump is fixedly arranged at the bottom end of the sedimentation area; the outlets of the water pump and the sludge pump are respectively communicated with a water pumping pipe, and the water pumping pipe is obliquely upwards along the reverse slope and stretches into the filtering assembly of the adjacent water collecting well.

Preferably, a first one-way valve is arranged between the outlet of the water pump and the water pumping pipe, a second one-way valve is arranged between the outlet of the sludge pump and the water pumping pipe, and the first one-way valve and the second one-way valve are opened to the water pumping pipe in a one-way.

Preferably, the filtering assembly comprises a filtering frame embedded in the sedimentation area, and an outlet of the pumping pipe is positioned above the filtering frame; the filter frame is internally and rotatably connected with a cleaning shaft, a plurality of cleaning plates are fixedly connected to the cleaning shaft, and the outer edges of the cleaning plates are in sliding contact with the inner wall of the filter frame.

Preferably, a well cover is fixedly connected to the water collecting well, the well cover comprises a water permeable cover corresponding to the sedimentation zone and a water isolation cover corresponding to the water storage zone, and the water pumping pipe penetrates through the water isolation cover and then enters the sedimentation zone from the other water permeable cover; the top of the cleaning shaft penetrates through the water permeable cover and is rotationally connected with the water permeable cover.

Preferably, the water permeable cover is embedded with an isolation box, and the top end of the isolation box is open and provided with a sealing cover; the top end of the cleaning shaft penetrates through the bottom end of the isolation box and is rotationally connected with the isolation box; one end of the cleaning shaft extending into the isolation box is fixedly connected with a handle.

Compared with the prior art, the utility model has the following advantages and technical effects: when the water level of the water collecting well is raised, the floating ball in the measuring tube is raised along with the water level, and after the water level is raised to a designated area, the sliding block contacts with the upper contact sensor which controls the starting of the water pumping assembly to pump the water in the water collecting well to the next water collecting well; when the water level in the water collecting well is reduced to a designated area, the sliding block contacts the contact sensor below, so that the water pumping assembly stops working, and the water in the water collecting well is automatically discharged to prevent water from overflowing; meanwhile, the filter assembly in the water collecting well can filter accumulated water entering the water collecting well, large-area sundries and sediment are intercepted above the water collecting well, cleaning is convenient, the volume reduction caused by sediment accumulation in the water collecting well can be prevented, and the drainage effect is reduced.

The utility model realizes the full automatic start and stop of the water pumping assembly, greatly reduces the manpower consumption, simultaneously reduces the sediment precipitation of the water collecting well and reduces the maintenance difficulty of the water collecting well.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a tunnel reverse slope automatic drainage system;

FIG. 2 is a schematic diagram of a water level controller according to the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic view of a filter assembly according to the present utility model;

FIG. 5 is an enlarged view of a portion of B of FIG. 4 in accordance with the present utility model;

in the figure: 1. a water collection well; 2. a baffle; 3. a precipitation zone; 4. a water storage area; 5. a water level controller; 6. a measuring tube; 7. a floating ball; 8. a guide rail; 9. a contact sensor; 10. a slide block; 11. a fixed frame; 12. a guide rod; 13. a water pump; 14. a sludge pump; 15. a water pumping pipe; 16. a first one-way valve; 17. a second one-way valve; 18. a filter frame; 19. cleaning a shaft; 20. a cleaning plate; 21. a water permeable cover; 22. a water-stop cover; 23. an isolation box; 24. sealing cover; 25. a handle; 26. and an overflow port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-5, the present embodiment provides a tunnel reverse slope automatic drainage system, which includes a plurality of water collecting wells 1 arranged along a reverse slope, a water pumping assembly is fixedly installed in the water collecting well 1, and an outlet of the water pumping assembly extends into another water collecting well 1 along the reverse slope; the top end of the water collecting well 1 is provided with a filtering component;

a water level controller 5 is arranged in the water collecting well 1, and the water level controller 5 is electrically connected with a water pumping assembly; the outlet of the water pumping assembly extends into the adjacent water collecting well 1;

the water level controller 5 comprises a measuring pipe 6 longitudinally fixedly connected to the side wall of the water collecting well 1, and a floating ball 7 floats in the measuring pipe 6; one side of the measuring tube 6 is fixedly connected with a guide rail 8, the top end and the bottom end of an inner cavity of the guide rail 8 are respectively provided with a contact sensor 9 electrically connected with a water pumping assembly, the side wall of the floating ball 7 is fixedly connected with a sliding block 10 which is correspondingly arranged with the guide rail 8, the sliding block 10 is slidably connected in the guide rail 8, and the sliding block 10 is detachably connected with the two contact sensors 9 respectively.

When the water-saving device is used, water in a tunnel is firstly in the water collecting well 1, when the water level of the water collecting well 1 is raised, the floating ball 7 in the measuring tube 6 is raised along with the water level, after the water level is raised to a designated area, the sliding block 10 contacts the upper contact sensor 9, the upper contact sensor 9 controls the starting of a water pumping assembly, and the water pump 13 in the water collecting well 1 is sent to the next water collecting well 1; when the water level in the water collecting well 1 is reduced to a designated area, the sliding block 10 contacts the contact sensor 9 below, so that the water pumping assembly stops working, and the water in the water collecting well 1 is automatically discharged to prevent water from overflowing; meanwhile, the filter assembly in the water collecting well 1 can filter accumulated water entering the water collecting well 1, intercept sundries and sediment in a large area to the upper part, so that the water collecting well is convenient to clean, the volume of sediment accumulation in the water collecting well 1 can be prevented from being reduced, and the drainage effect is reduced.

In a further optimization scheme, two ends of the inner cavity of the measuring tube 6 are fixedly connected with fixed frames 11 respectively, a guide rod 12 is fixedly connected between the two fixed frames 11, and the floating ball 7 is sleeved on the guide rod 12 in a sliding way; the floating ball 7 is detachably connected with the fixed frame 11. The guide rod 12 is used for limiting the track of the floating ball 7 so as to enable the floating ball 7 to vertically lift; the fixed frame 11 is used for fixing the guide rod 12, and the fixed frame 11 can also play a certain filtering role to prevent the measuring tube 6 from being blocked.

According to a further optimization scheme, the middle part of the bottom end of the water collecting well 1 is fixedly connected with a baffle plate 2, the baffle plate 2 divides the water collecting well 1 into a sedimentation zone 3 and a water storage zone 4 which are mutually communicated, and a measuring tube 6 is fixedly connected to the side wall of the water storage zone 4; the inlets of the water pumping assembly respectively extend into the bottom ends of the sedimentation zone 3 and the water storage zone 4; the outlet of the water pumping component is upwards along the reverse slope and stretches into the other sedimentation zone 3, and the outlet of the water pumping component is correspondingly arranged with the filtering component. The baffle plate 2 is provided with an overflow port 26, when the water level of the sedimentation zone 3 rises, the excessive water overflows into the water storage zone 4, and the bottom end of the overflow port is not lower than the top end of the side face pipe; the water pumped from the water collection well 1 below is filtered by the filter assembly and then enters the sedimentation zone 3.

In a further optimized scheme, the water pumping assembly comprises a water pump 13 and a sludge pump 14, wherein the water pump 13 is fixedly arranged at the bottom end of the water storage area 4, and the sludge pump 14 is fixedly arranged at the bottom end of the sedimentation area 3; the outlets of the water pump 13 and the sludge pump 14 are respectively connected to a water pumping pipe 15, and the water pumping pipe 15 is inclined upwards along the counter slope and extends into the filter assembly of the adjacent water collecting well 1. The water quality of the water storage area 4 is good, the water pump 13 is used, the sludge in the sedimentation area 3 is more, and the sludge pump 14 is used for pumping water; in this embodiment, the water pump 13 may be a GW vertical centrifugal pump, the sludge pump 14 may be an LHWJ rotor type sludge pump, which are all commercial products, and will not be described here.

In a further optimized scheme, a first one-way valve 16 is arranged between the outlet of the water pump 13 and the water pumping pipe 15, a second one-way valve 17 is arranged between the outlet of the sludge pump 14 and the water pumping pipe 15, and the first one-way valve 16 and the second one-way valve 17 are opened in a one-way to the water pumping pipe 15. The first check valve 16 and the second check valve 17 prevent the pumped water from flowing backwards; the check valves of GB/T586-99 can be selected as the first check valve 16 and the second check valve 17, and are standard components, and are not described herein.

In a further optimized scheme, the filtering assembly comprises a filtering frame 18 embedded and arranged in the sedimentation zone 3, and the outlet of the water pumping pipe 15 is positioned above the filtering frame 18; the filter frame 18 is rotatably connected with a cleaning shaft 19, a plurality of cleaning plates 20 are fixedly connected to the cleaning shaft 19, and the outer edges of the cleaning plates 20 are in sliding contact with the inner wall of the filter frame 18. The filter frame 18 is used for filtering the accumulated water, and the cleaning shaft 19 is rotated at intervals, so that the deposited filter is scraped off by the cleaning plate 20, and blockage is prevented.

According to a further optimization scheme, a well cover is fixedly connected to the water collecting well, the well cover comprises a water permeable cover 21 which is arranged corresponding to the sedimentation zone 3 and a water isolation cover 22 which is arranged corresponding to the water storage zone 4, and the water pumping pipe 15 passes through the water isolation cover 22 and then enters the sedimentation zone 3 from the other water permeable cover 21; the top end of the cleaning shaft 19 passes through the water permeable cover 21 and is rotatably connected with the water permeable cover 21. The water-stop cover 22 is covered in the water storage area 4 and is watertight, so that accumulated water in the tunnel is prevented from directly entering the water storage area 4; the water permeable cover 21 has a structure similar to a conventional roadside floor drain grid, and can collect accumulated water in a tunnel into the sedimentation zone 3.

In a further optimization scheme, an isolation box 23 is embedded in the water permeable cover 21, and the top end of the isolation box 23 is open and provided with a sealing cover 24; the top end of the cleaning shaft 19 penetrates through the bottom end of the isolation box 23 and is rotationally connected with the isolation box 23; the end of the cleaning shaft 19 extending into the isolation box 23 is fixedly connected with a handle 25. In use, the seal cap 24 is opened and the cleaning shaft 19 is rotated by the handle 25 to clean the filter frame 18.

Further, when the external water is more accumulated, the filtering pressure of the filtering frame 18 is larger and is easy to block, at this time, the cleaning shaft 19 can be connected with a motor in a transmission manner, and uninterrupted stirring is performed, so that the filtering efficiency is improved.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (5)

1. The utility model provides an automatic drainage system in tunnel counter-slope which characterized in that: the water collection device comprises a plurality of water collection wells (1) which are arranged along a counter slope, wherein a water pumping assembly is fixedly arranged in each water collection well (1), and an outlet of each water pumping assembly extends into the other water collection well (1) along the counter slope; a filtering component is arranged at the top end of the water collecting well (1);

a water level controller (5) is arranged in the water collecting well (1), and the water level controller (5) is electrically connected with a water pumping assembly; the outlet of the water pumping assembly extends into the adjacent water collecting well (1);

the water level controller (5) comprises a measuring pipe (6) longitudinally fixedly connected to the side wall of the water collecting well (1), and a floating ball (7) floats in the measuring pipe (6); a guide rail (8) is fixedly connected to one side of the measuring pipe (6), contact sensors (9) electrically connected with the water pumping assembly are respectively arranged at the top end and the bottom end of an inner cavity of the guide rail (8), a sliding block (10) correspondingly arranged with the guide rail (8) is fixedly connected to the side wall of the floating ball (7), the sliding block (10) is slidably connected in the guide rail (8), and the sliding block (10) is detachably connected with the two contact sensors (9) respectively;

the middle part of the bottom end of the water collecting well (1) is fixedly connected with a baffle plate (2), the baffle plate (2) divides the water collecting well (1) into a sedimentation area (3) and a water storage area (4) which are communicated with each other, and the measuring tube (6) is fixedly connected to the side wall of the water storage area (4); the inlets of the water pumping assembly respectively extend into the bottom ends of the sedimentation zone (3) and the water storage zone (4); the outlet of the water pumping assembly extends upwards along the reverse slope and into the other sedimentation zone (3), and the outlet of the water pumping assembly is arranged corresponding to the filtering assembly;

the water pumping assembly comprises a water pump (13) and a sludge pump (14), the water pump (13) is fixedly arranged at the bottom end of the Chu Shuiou (4), and the sludge pump (14) is fixedly arranged at the bottom end of the sedimentation zone (3); the outlets of the water pump (13) and the sludge pump (14) are respectively communicated with a water pumping pipe (15), and the water pumping pipe (15) obliquely upwards extends into the filter assembly of the adjacent water collecting well (1) along the reverse slope;

the filtering component comprises a filtering frame (18) embedded in the sedimentation zone (3), and an outlet of the pumping pipe (15) is positioned above the filtering frame (18); the filter frame (18) is rotationally connected with a cleaning shaft (19), a plurality of cleaning plates (20) are fixedly connected to the cleaning shaft (19), and the outer edges of the cleaning plates (20) are in sliding contact with the inner wall of the filter frame (18).

2. The tunnel counter-slope automatic drainage system of claim 1, wherein: fixed frames (11) are fixedly connected to the two ends of the inner cavity of the measuring tube (6) respectively, a guide rod (12) is fixedly connected between the two fixed frames (11), and the floating ball (7) is sleeved on the guide rod (12) in a sliding manner; the floating ball (7) is detachably connected with the fixed frame (11).

3. The tunnel counter-slope automatic drainage system of claim 1, wherein: a first one-way valve (16) is arranged between the outlet of the water pump (13) and the water pumping pipe (15), a second one-way valve (17) is arranged between the outlet of the sludge pump (14) and the water pumping pipe (15), and the first one-way valve (16) and the second one-way valve (17) are opened in a one-way to the water pumping pipe (15).

4. The tunnel counter-slope automatic drainage system of claim 1, wherein: the water collecting well is fixedly connected with a well cover, the well cover comprises a water permeable cover (21) which is arranged corresponding to the sedimentation zone (3) and a water stop cover (22) which is arranged corresponding to the water storage zone (4), and the water pumping pipe (15) passes through the water stop cover (22) and then enters the sedimentation zone (3) from the other water permeable cover (21); the top end of the cleaning shaft (19) penetrates through the water permeable cover (21) and is rotatably connected with the water permeable cover (21).

5. The tunnel counter-slope automatic drainage system of claim 4, wherein: the water permeable cover (21) is internally embedded with an isolation box (23), and the top end of the isolation box (23) is open and provided with a sealing cover (24); the top end of the cleaning shaft (19) penetrates through the bottom end of the isolation box (23) and is rotationally connected with the isolation box (23); one end of the cleaning shaft (19) extending into the isolation box (23) is fixedly connected with a handle (25).