Drainage device for reverse slope section of tunnel

Abstract

The utility model relates to the technical field of tunnel drainage, in particular to a tunnel reverse slope section drainage device which comprises a box body, a primary filtering structure and a secondary filtering structure connected with the primary filtering structure. The secondary filtering structure comprises a pump body, a connecting pipe, a filtering piece and a drainage pipe, the water pumping pipe extends out of the box body, one end of the connecting pipe is connected with the water collecting tank and the upper portion of the water collecting tank, the other end of the connecting pipe is connected with the filtering piece, the pump body is arranged on the connecting pipe, and one end of the drainage pipe is connected with the filtering piece; and the other end extends out of the box body. According to the utility model, underground water and silt are pumped into the water collecting tank through the water pumping pipe in the primary filtering structure, underground water in the water collecting tank is pumped into the filtering piece through the connecting pipe in the secondary filtering structure, the silt and the underground water are separated through the filtering piece, redundant silt is stored in the settling tank, and the underground water can be discharged from the water discharging pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel drainage technical field, especially a tunnel inverted slope section drainage device. BACKGROUND

[0002] Tunnel passes through stratum range is big, and the buried condition of underground water is complex, and the leakage condition of underground water in inverted slope section is greatly different, which makes the tunnel face the leakage risk, often causes the tunnel lining water seepage problem, seriously affects the tunnel operation, simultaneously can reduce the working quality and service life of tunnel, there is also the problem of gushing water and gushing mud. The drainage and waterproof engineering quality directly influences the smooth completion and safe operation of tunnel engineering, so needs to drain in advance when construction, the existing tunnel drainage device includes water pump and pipeline, when the worker finds the gushing point of tunnel, directly drills a hole and inserts the pipeline into the tunnel, and the underground water is pumped out through the water pump, in this method, because there is silt in the tunnel, the underground water is difficult to continue to use after being discharged, and the worker needs to clean the discharged silt secondly, which greatly affects the construction progress. SUMMARY

[0003] In view of the technical problems in the background art, the utility model aims at providing a tunnel inverted slope section drainage device, which can filter and store silt in the drainage device while draining the tunnel, thereby reducing the labor intensity of workers.

[0004] To achieve the above-mentioned purpose, the utility model provides the technical scheme as follows:

[0005] A tunnel inverted slope section drainage device, comprising a box body, a primary filtering structure arranged in the box body, and a secondary filtering structure connected with the primary filtering structure, the primary filtering structure comprising a water collecting tank and a water pumping pipe connected with the water collecting tank, the secondary filtering structure comprising a pump body, a connecting pipe, a filtering element, and a drainage pipe, the water pumping pipe extending out of the box body, one end of the connecting pipe being connected with the water collecting tank, the connecting pipe being connected at an upper position of the water collecting tank, the other end of the connecting pipe being connected with the filtering element, the pump body being arranged on the connecting pipe, one end of the drainage pipe being connected with the filtering element, and the other end of the drainage pipe extending out of the box body.

[0006] Preferably, the primary filtering structure further comprises a water pump, the water pump being arranged between the water pumping pipe and the water collecting tank, and the water pump and the water collecting tank being detachably connected.

[0007] Preferably, the filtering element comprises a support column and an overflow pipe, the support column being arranged in a conical shape, a discharge port being arranged at a lower end of the support column, the overflow pipe being arranged at an upper end of the support column, and the overflow pipe being connected with the drainage pipe.

[0008] As preferred, the secondary filtering structure further comprises a sediment tank, the filtering member is arranged above the sediment tank, and the discharge port is aligned with the sediment tank.

[0009] As preferred, a cleaning port I is arranged on one side of the sediment tank, an opening I is arranged on one side of the tank body, the opening I is aligned with the cleaning port I, and a baffle I is detachably arranged at the position of the opening I.

[0010] As preferred, a cleaning port II is arranged on one side of the sediment tank, an opening II is arranged on one side of the tank body, the opening II is aligned with the cleaning port II, and a baffle II is detachably arranged at the position of the opening II.

[0011] As preferred, the primary filtering structure further comprises a sensor and a processor, the sensor is arranged outside the tank body, the processor is arranged at the upper end of the sediment tank, and the sensor and the processor are connected.

[0012] The utility model has the advantages and beneficial effects as follows:

[0013] In the utility model, the water suction pipe in the primary filtering structure draws underground water and silt into the sediment tank, the silt sinks in the sediment tank due to the large mass of the silt, the secondary filtering structure draws the underground water in the sediment tank into the filtering member through the connecting pipe, the filtering member separates the silt and the underground water, the excess silt is stored in the sediment tank, and the underground water can be discharged from the drain pipe, the structure can realize the drainage work of multiple water outlets in the tunnel, the silt can be stored in the drainage device, the silt pollution in the tunnel is prevented, and the labor intensity of workers is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 The utility model provides a three-dimensional view of a tunnel reverse slope section drainage device.

[0015] Fig. 2 The utility model provides a position schematic view of an opening I and an opening II of a tunnel reverse slope section drainage device.

[0016] Fig. 3 The utility model provides a schematic view of the internal structure of a tunnel reverse slope section drainage device.

[0017] Fig. 4 The utility model provides a filtering member sectional view of a tunnel reverse slope section drainage device.

[0018] Reference numerals: 1-Box body, 101-Handle, 102-Wheel caster, 103-Opening I, 104-Opening II, 2-Water collection tank, 21-Clean port I, 22-Water pump, 23-Water pumping pipe, 3-Connecting pipe, 31-Pump body, 4-Filter element, 41-Support column, 42-Overflow pipe, 43-Discharge port, 5-Sedimentation tank, 51-Clean port II, 6-Baffle I, 61-Baffle II, 7-Sensor, 71-Processor. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] Example

[0022] like Figs. 1-4 As shown, a drainage device for a tunnel reverse slope section includes a housing 1, a primary filtration structure installed inside the housing 1, and a secondary filtration structure connected to the primary filtration structure. The primary filtration structure includes a sensor 7, a processor 71, a water collection tank 2, a water pump 22, and a water pumping pipe 23 connected to the water collection tank 2. The secondary filtration structure includes a sedimentation tank 5, a pump body 31, a connecting pipe 3, a filter element 4, and a drain pipe. The lower end of the housing 1 is provided with casters 102, and handles 101 are provided on both sides of the housing 1. Workers can hold the handles 101 to push the housing 1 to move inside the tunnel, which facilitates drainage operations at multiple water inflow points.

[0023] like Figs. 1-3 As shown, the water pump 22 is installed between the water pump pipe 23 and the water collection tank 2. The water pump 22 and the water collection tank 2 are connected by bolts. The water pump pipe 23 extends from the tank body 1 and is directly aligned with the water inflow point of the tunnel. The water pump 22 pumps the groundwater into the water collection tank 2 through the water pump pipe 23. Since there is some silt in the groundwater, the silt entering the water collection tank 2 first settles by its own weight and is stored in the water collection tank 2. A cleaning port I21 is provided on one side of the water collection tank 2, and an opening I103 is provided on one side of the tank body 1. The opening I103 is aligned with the cleaning port I21. A baffle I6 is installed at the position of the opening I103 by bolts. After removing the baffle I6, the silt deposited in the water collection tank 2 can be cleaned directly.

[0024] As Figs. 1-4 shown, one end of the connecting pipe 3 is connected with the water collecting tank 2, and the pump body 31 is arranged on the connecting pipe 3, which can pump out the underground water in the water collecting tank 2 through the connecting pipe 3. Since the silt is deposited at the lower position of the water collecting tank 2, the connecting pipe 3 is arranged at the upper position of the water collecting tank 2, so that the underground water can be pumped out through the connecting pipe 3 without bringing out a large amount of silt, thereby ensuring that the silt content in the underground water is small during the pumping process. The other end of the connecting pipe 3 is connected with the filter 4, and one end of the drain pipe is connected with the filter 4, and the other end extends out of the box body 1. The filter 4 adopts a cyclone separator, which includes a support column 41 and an overflow pipe 42. The support column 41 is arranged in a conical shape, and the connecting pipe 3 is connected at the tangential position of the support column 41. The lower end of the support column 41 is provided with a discharge port 43, and the overflow pipe 42 is arranged at the upper end of the support column 41. The overflow pipe 42 is connected with the drain pipe, and the underground water is directly discharged from the drain pipe after passing through the filter. The cyclone separator can separate the silt and the underground water by using the centrifugal sedimentation principle. When the mixture enters the support column 41 from the tangential inlet at a certain pressure and speed, a high-speed rotating flow field is formed inside. Under the action of centrifugal force, the solid particles in the mixture are thrown to the wall of the device due to their large density, and move downward along the wall, and finally are discharged from the discharge port 43. The underground water forms an internal cyclone and is discharged from the overflow pipe 42, thereby realizing the separation of silt and underground water. The filter 4 is arranged above the sediment tank 5, and the discharge port 43 is aligned with the sediment tank 5. The silt flows out of the discharge port 43 into the sediment tank 5. One side of the sediment tank 5 is provided with a cleaning port II 51, and one side of the box body 1 is provided with an opening II 104. The opening II 104 is aligned with the cleaning port II 51. The opening II 104 is detachably provided with a baffle II 61. The baffle II 61 can be removed to clean the silt in the sediment tank 5.

[0025] As Figs. 1-3 shown, the sensor 7 adopts an electromagnetic wave sensor. The electromagnetic wave sensor utilizes the principle of electromagnetic pulse to emit electromagnetic waves of a certain frequency. The electromagnetic waves propagate in the tunnel medium (such as soil, rock, etc.). Since different water content media have different influences on the propagation characteristics of electromagnetic waves, the propagation frequency changes. For example, the electromagnetic wave sensor with model CS655 can detect the water content in the tunnel through the sensor 7. The sensor 7 is arranged outside the box body 1, and the processor 71 is arranged at the upper end of the water collecting tank 2. The sensor 7 and the processor 71 are electrically connected. The sensor 7 feeds back the change value to the processor 71. The processor 71 is electrically connected with the pump body 31 and the water pump 22. The processor 71 controls the water intake of the pump body 31 and the water pump 22. This method not only can accurately pump out the underground water in the tunnel, but also can greatly save power consumption and increase the running time of the equipment.

[0026] The preferred embodiments of the utility model have been described, and are not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A tunnel anti-slope section drainage device, comprising a box, a primary filtering structure arranged in the box, and a secondary filtering structure connected with the primary filtering structure, characterized in that, The primary filtering structure comprises a water collecting tank and a water pumping pipe connected with the water collecting tank, the water pumping pipe extending out of the tank; The secondary filtering structure comprises a pump body, a connecting pipe, a filtering element and a drainage pipe, one end of the connecting pipe being connected with the water collecting tank, the connecting pipe being connected at an upper position of the water collecting tank, the other end of the connecting pipe being connected with the filtering element, the pump body being arranged on the connecting pipe, one end of the drainage pipe being connected with the filtering element, the other end of the drainage pipe extending out of the tank.

2. The tunnel inverted slope section drainage device according to claim 1, characterized in that, The primary filtering structure further comprises a water pumping pipe, the water pumping pipe being arranged between the water pumping pipe and the water collecting tank, the water pumping pipe and the water collecting tank being detachably connected.

3. The tunnel inverted slope section drainage device according to claim 1, characterized in that, The filtering element comprises a supporting column and an overflow pipe, the supporting column being arranged in a conical shape, a discharging port being arranged at a lower end of the supporting column, the overflow pipe being arranged at an upper end of the supporting column, the overflow pipe being connected with the drainage pipe.

4. The tunnel inverted slope section drainage device according to claim 3, characterized in that, The secondary filtering structure further comprises a sediment tank, the filtering element being arranged above the sediment tank, the discharging port being aligned with the sediment tank.

5. The tunnel inverted slope section drainage device according to claim 1, characterized in that, One side of the water collecting tank is provided with a cleaning port I, one side of the tank is provided with an opening I, the opening I being aligned with the cleaning port I, a baffle I being detachably arranged at the position of the opening I.

6. The tunnel inverted slope section drainage device according to claim 4, characterized in that, One side of the sediment tank is provided with a cleaning port II, one side of the tank is provided with an opening II, the opening II being aligned with the cleaning port II, a baffle II being detachably arranged at the position of the opening II.

7. The tunnel inverted slope section drainage device according to claim 1, characterized in that, The primary filtering structure further comprises a sensor and a processor, the sensor being arranged outside the tank, the processor being arranged at an upper end of the water collecting tank, the sensor being connected with the processor.

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