Karst tunnel anti-slope drainage device

Abstract

The application discloses a karst tunnel anti-slope drainage device, belongs to the technical field of karst tunnels, is installed in a water collecting groove which is arranged at the bottom of the karst tunnel at equal intervals, and comprises a filtering assembly, an automatic water pumping assembly and a flushing assembly. The filtering assembly comprises a lifting plate, a supporting ring, a filter plate, a water receiving cylinder, a spring and a bottom plate. The automatic water pumping assembly comprises a water outlet pipe, a water pump, a straight plate and a liquid level detection device. The flushing assembly comprises a driving member and a flushing assembly. The driving member intermittently drives the flushing assembly to rotate the input end of the water pump. The filter plate can be shaken up and down, so that shaking filtration is realized, sand and stones and other impurities are prevented from being accumulated and blocked in the filter holes of the filter plate, and the filtering effect is improved. The flushing assembly is arranged, the input end of the water pump can be flushed, the deposition of the sand in the input end of the water pump during the pumping and draining process is avoided, and the working efficiency of the water pump is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of karst tunnel, in particular to a karst tunnel reverse slope drainage device. BACKGROUND

[0002] In the process of karst tunnel reverse slope drainage, water needs to be automatically pumped out. There are the following problems in this process:

[0003] On the one hand, in the pumping process, some solid impurities such as sand are mixed in the water, which needs to be filtered to avoid affecting the next pumping work. However, the current filter screen is static, and the filter screen is easy to be blocked after a long time of filtering impurities, reducing the filtering effect. On the other hand, in the pumping process, the sediment is easy to deposit in the input end of the water pump, affecting the working efficiency of the water pump.

[0004] Based on this, the present application designs a karst tunnel reverse slope drainage device to solve the above problems. SUMMARY

[0005] In view of the above shortcomings of the prior art, the present application provides a karst tunnel reverse slope drainage device.

[0006] To achieve the above purpose, the present application realizes the following technical scheme:

[0007] A karst tunnel reverse slope drainage device is installed in a water collecting tank opened at equal intervals at the bottom of the karst tunnel, comprising a filter assembly, an automatic water pumping assembly and a flushing assembly installed in the water collecting tank.

[0008] The filter assembly comprises a lifting plate, a support ring, a filter plate, a water collecting cylinder, a spring and a bottom plate. The water collecting cylinder is movably installed on the support ring, one end of the support ring is fixedly installed on one side wall of the water collecting tank, the filter plate is movably connected inside the water collecting cylinder, four corners of the lower end of the filter plate are fixedly connected with the springs, and the other end of the spring is fixedly connected with the bottom plate.

[0009] The automatic water pumping assembly comprises a water outlet pipe, a water pump, a straight plate and a liquid level detection device. The lower end of the straight plate is fixedly connected with the inner bottom of the water collecting tank, the upper end of the straight plate is fixedly connected with the outer side wall of the water collecting cylinder, the side wall of the straight plate is provided with the liquid level detection device, the input end of the water pump is provided with the flushing assembly, and the output end of the water pump is fixedly connected with the water outlet pipe.

[0010] The flushing assembly comprises a driving member and a flushing assembly. The driving member intermittently drives the flushing assembly to rotate to flush the input end of the water pump.

[0011] Further, the upper end of the water collecting cylinder is fixedly connected with the lifting plate, and the lower end of the water collecting cylinder is fixedly connected with the bottom plate on both sides.

[0012] Further, the top of the water receiving cylinder extends outwardly and is above the support ring, and the outer length of the top of the water receiving cylinder is greater than the inner length of the support ring.

[0013] Further, the liquid level detection device comprises a first liquid level meter and a second liquid level meter, and the water pump, the first liquid level meter and the second liquid level meter are electrically connected with the controller.

[0014] Further, the first liquid level meter is located at the lower end of the straight plate and close to the inner bottom of the water collecting tank, and the second liquid level meter is located at the upper end of the straight plate and the upper end of the second liquid level meter is flush with the lower surface of the bottom plate.

[0015] Further, the first liquid level meter and the second liquid level meter are used for detecting the liquid level, when both the first liquid level meter and the second liquid level meter detect water, the controller controls the water pump to start working to drain water, and when both the first liquid level meter and the second liquid level meter detect no water, the controller controls the water pump to stop working.

[0016] Further, the flushing assembly comprises a mounting ring, a water inlet pipe, a connecting hose, a water spraying pipe, a torsional spring, a support bearing and a straight shaft, the upper end of the water inlet pipe is fixedly connected with the water outlet pipe and communicates with the water outlet pipe, the lower end of the water inlet pipe is fixedly connected with the upper end of the connecting hose and communicates with the connecting hose, the lower end of the connecting hose is fixedly connected with one end of the water spraying pipe and communicates with the water spraying pipe, one end of the water spraying pipe is fixedly connected with the mounting ring, the lower end of the mounting ring is fixedly connected with the straight shaft, the lower end of the straight shaft is rotatably connected on the inner bottom of the water collecting tank through the support bearing, the torsional spring is installed on the straight shaft, the inner end of the torsional spring is fixedly connected with the straight shaft, the outer end of the torsional spring is fixedly connected with the support bearing, and the other end of the water spraying pipe is connected with the driving piece.

[0017] Further, the driving piece comprises a push plate, the push plate is fixedly connected on the shaft of the water pump, and the water pump drives the push plate to rotate.

[0018] Advantages

[0019] After the water is discharged into the water receiving cylinder, the filter plate filters the water, and due to the gravity of the water and the cooperation with the filter plate and the spring, the filter plate can be shaken up and down, so that the shaking filtration is realized, the impurities such as sand are prevented from accumulating and blocking in the filter holes of the filter plate, and the filtering effect is improved.

[0020] The first liquid level meter and the second liquid level meter are used for detecting the liquid level, when both the first liquid level meter and the second liquid level meter detect water, the controller controls the water pump to start working to drain water, and when both the first liquid level meter and the second liquid level meter detect no water, the controller controls the water pump to stop working, so that the automatic water draining work can be realized.

[0021] The application can realize the flushing of the input end of the water pump by setting the flushing assembly, avoid the deposition of the silt in the input end of the water pump during the pumping and draining process, and improve the working efficiency of the water pump. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0023] Figure 1 It is a schematic view of the installation structure of the karst tunnel reverse slope drainage device of the present application;

[0024] Figure 2 It is a front view of the installation structure of the karst tunnel reverse slope drainage device of the present application;

[0025] Figure 3 It is a left view of the installation structure of the present application;

[0026] Figure 4 It is a perspective view of the installation structure of the karst tunnel reverse slope drainage device of the present application Figure 1 ;

[0027] Figure 5 It is a perspective view of the installation structure of the karst tunnel reverse slope drainage device of the present application Figure 2 ;

[0028] Figure 6 It is a sectional view along the B-B direction of the Figure 3 .

[0029] Figure 7 It is an enlarged view of A in the Figure 2 .

[0030] Figure 8 It is an enlarged view of C in the Figure 5 .

[0031] Figure 9 It is an enlarged view of D in the Figure 1 .

[0032] The numbers in the drawings respectively represent:

[0033] 1. Karst tunnel 2. Catch basin 3. Filter assembly 31. Lifting plate 32. Support ring 33. Filter plate 34. Water receiving cylinder 35. Spring 36. Bottom plate 4. Automatic water pumping assembly 41. Water outlet pipe 42. Water pump 43. Straight plate 44. First liquid level meter 45. Second liquid level meter 46. Controller 5. Flushing assembly 51. Push plate 52. Mounting ring 53. Water inlet pipe 54. Connection hose 55. Water spraying pipe 56. Torsional spring 57. Support bearing 58. Straight shaft. DETAILED DESCRIPTION

[0034] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0035] The present application will be further described below with reference to the embodiments.

[0036] Embodiment 1

[0037] Please refer to the drawings in the description Figures 1-9 A karst tunnel reverse slope drainage device is installed in a catch basin 2 which is opened at equal intervals on the bottom of a karst tunnel 1, and comprises a filter assembly 3, an automatic water pumping assembly 4 and a flushing assembly 5 which are installed in the catch basin 2.

[0038] The filter assembly 3 comprises a lifting plate 31, a support ring 32, a filter plate 33, a water receiving cylinder 34, a spring 35 and a bottom plate 36.

[0039] One end of the support ring 32 is fixedly installed on one side wall of the catch basin 2, the water receiving cylinder 34 is movably installed on the support ring 32, and the inner wall of the support ring 32 is in contact with the outer wall of the upper end of the water receiving cylinder 34, the top of the water receiving cylinder 34 extends outward and is located above the support ring 32, and the outer length of the top of the water receiving cylinder 34 is greater than the inner length of the support ring 32, so that the water receiving cylinder 34 is erected on the support ring 32, the upper end of the water receiving cylinder 34 is fixedly connected with the lifting plate 31, the lower end of the water receiving cylinder 34 is fixedly connected with the bottom plate 36 on both sides, the filter plate 33 is movably connected inside the water receiving cylinder 34, the outer side wall of the filter plate 33 is in contact with the inner wall of the water receiving cylinder 34, the four corners of the lower end of the filter plate 33 are fixedly connected with the springs 35, the other ends of the springs 35 are fixedly connected with the bottom plate 36, and the interval between the inner side walls of the two bottom plates 36 is smaller than the interval between the left and right inner side walls of the lower end of the water receiving cylinder 34.

[0040] Therefore, the water collecting cylinder 34 can be conveniently lifted by lifting the plate 31; the water in the previous water collecting tank 2 is introduced into the water collecting cylinder 34, the filter plate 33 filters the water, and the filter plate 33 can be shaken up and down due to the gravity of the water and the cooperation with the filter plate 33 and the spring 35, so that the shaking filtration is realized, the impurities such as sand are prevented from being accumulated and blocked in the filter holes of the filter plate 33, and the filtering effect is improved;

[0041] The automatic water pumping assembly 4 comprises a water outlet pipe 41, a water pump 42, a straight plate 43 and a liquid level detection device; the lower end of the straight plate 43 is fixedly connected with the inner bottom of the water collecting tank 2, the upper end of the straight plate 43 is fixedly connected with the outer side wall of the water collecting cylinder 34, the side wall of the straight plate 43 is provided with the liquid level detection device, the water pump 42 is installed on the inner bottom of the water collecting tank 2, the input end of the water pump 42 is provided with the flushing assembly 5, the output end of the water pump 42 is fixedly connected with the water outlet pipe 41, and the other end of the water outlet pipe 41 is placed in the filtering assembly 3 of the next water collecting tank 2, so that the water is introduced into the next water collecting tank 2 upwards until the water is discharged from the karst tunnel 1.

[0042] The liquid level detection device comprises a first liquid level meter 44 and a second liquid level meter 45, and the water pump 42, the first liquid level meter 44 and the second liquid level meter 45 are electrically connected with a controller 46; the side wall of the straight plate 43 is sequentially provided, from top to bottom, with the controller 46, the second liquid level meter 45 and the first liquid level meter 44;

[0043] The first liquid level meter 44 is located at the lower end of the straight plate 43 close to the inner bottom of the water collecting tank 2, and the second liquid level meter 45 is located at the upper end of the straight plate 43 and the upper end of the second liquid level meter 45 is flush with the lower surface of the bottom plate 36;

[0044] The first liquid level meter 44 and the second liquid level meter 45 are used for detecting the liquid level; when both the first liquid level meter 44 and the second liquid level meter 45 detect water, the controller 46 controls the water pump 42 to start working to discharge water; when both the first liquid level meter 44 and the second liquid level meter 45 detect no water, the controller 46 controls the water pump 42 to stop working, so that the automatic water discharge work can be realized.

[0045] The flushing assembly 5 comprises a driving member and a flushing assembly, and the driving member intermittently drives the flushing assembly to rotate to flush the input end of the water pump 42;

[0046] The driving member comprises a push plate 51 fixedly connected with the shaft of the water pump 42, and the water pump 42 drives the push plate 51 to rotate.

[0047] The flushing assembly comprises a mounting ring 52, a water inlet pipe 53, a connecting hose 54, a water spraying pipe 55, a torsion spring 56, a supporting bearing 57 and a straight shaft 58; the upper end of the water inlet pipe 53 is fixedly connected with the water outlet pipe 41 and communicates with the water outlet pipe 41, the lower end of the water inlet pipe 53 is fixedly connected with the upper end of the connecting hose 54 and communicates with the upper end of the connecting hose 54, the lower end of the connecting hose 54 is fixedly connected with one end of the water spraying pipe 55 and communicates with the one end of the water spraying pipe 55, the one end of the water spraying pipe 55 is fixedly connected with the mounting ring 52, the lower end of the mounting ring 52 is fixedly connected with the straight shaft 58, the lower end of the straight shaft 58 is rotatably connected with the inner bottom of the water collecting tank 2 through the supporting bearing 57, the torsion spring 56 is installed on the straight shaft 58, the inner end of the torsion spring 56 is fixedly connected with the straight shaft 58, the outer end of the torsion spring 56 is fixedly connected with the supporting bearing 57, and the other end of the water spraying pipe 55 is in contact with the push plate 51.

[0048] Water enters the connecting hose 54 through the water inlet pipe 53 and is sprayed out through the water spraying pipe 55, the shaft of the water pump 42 drives the push plate 51 to rotate, the push plate 51 intermittently contacts the driving water spraying pipe 55 to drive the driving water spraying pipe 55 to rotate, after the push plate 51 rotates to be not in contact with the water spraying pipe 55, the mounting ring 52 drives the water spraying pipe 55 to reset under the action of the torsion spring 56; the driving water spraying pipe 55 reciprocatingly swings along the central axis of the supporting bearing 57, and water of the swinging driving water spraying pipe 55 is splashed below the input end of the water pump 42, so that the input end of the water pump 42 is flushed, the deposition of silt in the input end of the water pump during the pumping and discharging process is avoided, and the working efficiency of the water pump is improved.

[0049] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A karst tunnel reverse slope drainage device, installed in a water collection tank (2) provided at equal intervals at the bottom of a karst tunnel (1), characterized in that: It includes a filter assembly (3), an automatic water pumping assembly (4) and a flushing assembly (5) installed in a water collection tank (2); The filter assembly (3) comprises a lifting plate (31), a support ring (32), a filter plate (33), a water receiving cylinder (34), a spring (35) and a bottom plate (36); the water receiving cylinder (34) is movably mounted on the support ring (32), one end of the support ring (32) is fixedly mounted on a side wall of the water collecting tank (2), the upper end of the water receiving cylinder (34) is fixedly connected to the lifting plate (31), both sides of the lower end of the water receiving cylinder (34) are respectively fixedly connected to the bottom plate (36), the inside of the water receiving cylinder (34) is movably connected to the filter plate (33), the four corners of the lower end of the filter plate (33) are respectively fixedly connected to the springs (35), and the other end of the spring (35) is fixedly connected to the bottom plate (36); The automatic water pumping assembly (4) comprises a water outlet pipe (41), a water pump (42), a straight plate (43) and a liquid level detection device; the liquid level detection device is installed on the side wall of the straight plate (43); the flushing assembly (5) is installed on the input end of the water pump (42); and the output end of the water pump (42) is fixedly connected to the water outlet pipe (41); The flushing assembly (5) comprises a driving member and a cleaning assembly, wherein the driving member intermittently drives the input end of the cleaning assembly flushing water pump (42); The cleaning assembly comprises a mounting ring (52), a water inlet pipe (53), a connecting hose (54), a water spray pipe (55), a torsion spring (56), a support bearing (57) and a straight shaft (58); the upper end of the water inlet pipe (53) is fixedly connected to and communicated with the water outlet pipe (41), the lower end of the water inlet pipe (53) is fixedly connected to and communicated with the upper end of the connecting hose (54), the lower end of the connecting hose (54) is fixedly connected to and communicated with one end of the water spray pipe (55), one end of the water spray pipe (55) is fixedly connected to the mounting ring (52), the lower end of the mounting ring (52) is fixedly connected to the straight shaft (58), the lower end of the straight shaft (58) is rotatably connected to the inner bottom of the water collecting tank (2) through the support bearing (57), the straight shaft (58) is mounted with a torsion spring (56), the torsion spring (56) The inner end of the torsion spring (56) is fixedly connected to the straight shaft (58), the outer end of the torsion spring (56) is fixedly connected to the support bearing (57), and the other end of the water spray pipe (55) is connected to the driving member.

2. A karst tunnel reverse slope drainage device according to claim 1, characterized in that: The lower end of the straight plate (43) is fixedly connected to the inner bottom of the water collecting trough (2), and the upper end of the straight plate (43) is fixedly connected to the outer side wall of the water receiving cylinder (34).

3. A karst tunnel reverse slope drainage device according to claim 2, characterized in that: The top of the water receiving cylinder (34) extends outward laterally and is located above the support ring (32), and the outer length of the top of the water receiving cylinder (34) is greater than the inner length of the support ring (32).

4. The reverse slope drainage device for a karst tunnel according to claim 1, characterized in that: The liquid level detection device comprises a first liquid level gauge (44) and a second liquid level gauge (45); the water pump (42), the first liquid level gauge (44), and the second liquid level gauge (45) are all electrically connected to the controller (46); and the side wall of the straight plate (43) is sequentially mounted with the controller (46), the second liquid level gauge (45), and the first liquid level gauge (44) from top to bottom.

5. The reverse slope drainage device for a karst tunnel according to claim 4, characterized in that: The first liquid level gauge (44) is located at the lower end of the straight plate (43) near the bottom of the water collecting tank (2), and the second liquid level gauge (45) is located at the upper end of the straight plate (43), and the upper end of the second liquid level gauge (45) is flush with the lower surface of the bottom plate (36).

6. The reverse slope drainage device for a karst tunnel according to claim 5, characterized in that: The first liquid level gauge (44) and the second liquid level gauge (45) are used to detect the liquid level. When the first liquid level gauge (44) and the second liquid level gauge (45) both detect that there is water, the controller (46) controls the water pump (42) to start working and drain water. When the first liquid level gauge (44) and the second liquid level gauge (45) both detect that there is no water, the controller (46) controls the water pump (42) to stop working.

7. The reverse slope drainage device for a karst tunnel according to claim 1, characterized in that: The driving member comprises a push plate (51), which is fixedly connected to the shaft of the water pump (42), and the water pump (42) drives the push plate (51) to rotate.

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