Subway tunnel emergency drainage device convenient to maintain

Abstract

The utility model belongs to the technical field of tunnel maintenance, and particularly relates to a subway tunnel emergency drainage device convenient to maintain, which comprises a base, a wireless control box is mounted on the base and rotationally connected with one end of a waterproof electric push rod through a pin shaft, and the other end of the waterproof electric push rod is rotationally connected with a rotating plate through a pin shaft. One end of the mounting plate is rotationally connected with the base through a rotating shaft, a water pumping pipe is mounted on the mounting plate, a mounting pipe is mounted on the side surface of the water pumping pipe, a filter head and a hose are mounted at two ends of the water pumping pipe respectively, the hose is connected with a water inlet of a water pump, a filter screen is arranged at a port of the filter head, and a pressure gauge is mounted on the mounting pipe. The filtering head is quickly submerged into water for pumping water or lifted out of the water surface by controlling the stretching and retracting of the waterproof electric push rod, so that a filter screen mounted on the filtering head can be conveniently, safely and intuitively cleaned by personnel; operators can visually and accurately judge the blocking condition of the filter screen by observing the pressure value, monitored by the pressure gauge, in the water pumping pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel maintenance, and in particular relates to an emergency drainage device for a subway tunnel which is easy to maintain. Background Art

[0002] After the subway tunnel is excavated, it is located in an underground environment and its internal structure is relatively closed when in use. Therefore, for the problem of internal water accumulation, dedicated drainage equipment is needed to drain the tunnel and avoid the impact of excessive water accumulation on the traffic in the tunnel.

[0003] The existing tunnel emergency drainage device generally includes a portable water pump hose, a drainage hose and a water pump. During the drainage work, in order to protect the water pump and avoid blockage inside the pipeline, a filter assembly is also set at the water inlet to filter and remove large solid debris in the water body, thereby protecting the stable use of the water pump and pipeline. During the drainage process, the staff needs to manually remove the debris that is blocked and adsorbed on the filter net: because the water inlet and the filter net installed on the water inlet are hidden in the sewage, it is difficult for the staff to observe the blockage on the filter surface and cannot clean the filter surface in time and quickly; in addition, when the staff put their hands into the sewage to clean the debris on the surface of the filter net submerged in the sewage, they cannot observe whether the debris is dangerous, and the staff's hands are at risk of being scratched by foreign objects during the cleaning work; if you choose to directly take the filter assembly installed at the head of the pipe out of the water, you will encounter the following problems: 1. The staff cannot quickly determine the specific position of the pipe head, 2. The weight of the pipe is large when it sucks water, and the staff must lift the pipe and clean the filter at the same time, which is inconvenient to operate. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a subway tunnel emergency drainage device that is easy to maintain, so as to solve the problem that when using the existing emergency drainage device, the staff cannot intuitively judge whether the filter surface needs to be cleaned; in addition, when the staff cleans the filter surface submerged in sewage, there is a risk of scratching their hands by foreign objects.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: a subway tunnel emergency drainage device that is easy to maintain, including a base, a wireless control box is installed on the base and is rotatably connected to one end of a waterproof electric push rod through a pin shaft, the other end of the waterproof electric push rod is rotatably connected to a rotating plate through a pin shaft, the rotating plate is installed on a mounting plate, one end of the mounting plate is rotatably connected to the base through a rotating shaft, a water pump is installed on the mounting plate, a mounting pipe is installed on the side of the water pump, a filter head and a hose are respectively installed at both ends of the water pump, the hose is connected to the water inlet of a water pump, a filter screen is provided at the port of the filter head, and a pressure gauge is installed on the mounting pipe.

[0006] The beneficial effects of the utility model are as follows: by controlling the extension and retraction of the waterproof electric push rod, the filter head can be quickly immersed in water for pumping work or raised from the water surface, so that personnel can safely and intuitively clean the filter installed on the filter head; the operator can intuitively and accurately judge the blockage condition of the filter by observing the pressure value in the pumping pipe monitored by the pressure gauge.

[0007] In order to ensure the stability of the water pipe installation;

[0008] As a further improvement of the above technical solution: a plurality of pipe clamps are mounted on the outer side of the water pumping pipe, and the pipe clamps are fixed on the mounting plate.

[0009] The beneficial effect of this improvement is that the water pumping pipe can be stably mounted on the mounting plate with the support of the pipe clamp and move with the rotation of the mounting plate.

[0010] In order to effectively pump water;

[0011] As a further improvement of the above technical solution: the filter head is a round-to-square variable diameter structure, and the square end of the filter head is a flat square groove structure.

[0012] The beneficial effect of this improvement is that the port of the flat filter head can be effectively immersed in the water body to perform suction work.

[0013] To avoid the pressure gauge being submerged in water;

[0014] As a further improvement of the above technical solution: the installation pipe is installed on the side of one end of the water suction pipe where the filter head is installed.

[0015] The beneficial effect of this improvement is that when the filter head is moved out of the water surface under the drive of the waterproof electric push rod, the pressure gauge installed at the end of the suction pipe near the filter head always remains above the water surface to avoid contact with the water body.

[0016] In order to visually observe the pressure data displayed on the pressure gauge during pumping work;

[0017] As a further improvement of the above technical solution: the installation tube is a slender tube structure.

[0018] The beneficial effect of this improvement is that the installation pipe enables the measuring diaphragm of the pressure gauge to effectively measure the internal pressure of the pumping pipe, and at the same time provides installation support for the pressure gauge, so that the pressure gauge can work above the water surface.

[0019] In order to conveniently control the telescopic state of the waterproof electric push rod;

[0020] As a further improvement of the above technical solution: the wireless control box includes a wireless module, a single-chip microcomputer, and a relay, and the wireless control box is electrically connected to the waterproof electric push rod.

[0021] The beneficial effect of this improvement is that the operator can send a remote control signal to the wireless control box, so that the wireless control box controls the waterproof electric push rod to extend and retract.

[0022] In order to reduce the resistance encountered by the filter head when it moves in the water;

[0023] As a further improvement of the above technical solution: the surfaces of the rotating plate and the mounting plate are evenly provided with through-hole structures.

[0024] The beneficial effect of this improvement is that the through holes arranged on the surfaces of the rotating plate and the mounting plate can reduce the resistance of the rotating plate and the mounting plate to the water body when they rotate, thereby reducing the power consumption of the device.

[0025] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The structure diagram of the utility model when performing water pumping work Figure 1 ;

[0027] Figure 2 The structure diagram of the utility model when performing water pumping work Figure 2 ;

[0028] Figure 3 The structure diagram of the utility model when performing cleaning work Figure 1 ;

[0029] Figure 4 The structure diagram of the utility model when performing cleaning work Figure 2 ;

[0030] In the figure: 1. base; 2. rotating shaft; 3. rotating plate; 4. mounting plate; 5. suction pipe; 6. hose; 7. filter head; 8. filter screen; 9. mounting pipe; 10. pressure gauge; 11. operating lever; 12. waterproof electric push rod; 13. wireless control box. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0032] Embodiment 1:

[0033] like Figure 1 —4 shows: an emergency drainage device for a subway tunnel that is easy to maintain, comprising a base 1, a wireless control box 13 is installed on the base 1 and is rotatably connected to one end of a waterproof electric push rod 12 through a pin shaft, the other end of the waterproof electric push rod 12 is rotatably connected to a rotating plate 3 through a pin shaft, the rotating plate 3 is installed on a mounting plate 4, one end of the mounting plate 4 is rotatably connected to the base 1 through a rotating shaft 2, a water pumping pipe 5 is installed on the mounting plate 4, a mounting pipe 9 is installed on the side of the water pumping pipe 5, a filter head 7 and a hose 6 are installed at both ends of the water pumping pipe 5, respectively, and the hose 6 is connected to the water inlet of the water pump The port of the filter head 7 is provided with a filter screen 8, and a pressure gauge 10 is installed on the installation pipe 9. By controlling the extension and retraction of the waterproof electric push rod 12, the filter head 7 can be quickly immersed in the water for pumping or raised from the water surface, which is convenient for personnel to clean the filter screen 8 installed on the filter head 7 safely and intuitively; the operator can observe the pressure value in the water pumping pipe 5 monitored by the pressure gauge 10 to intuitively and accurately judge the blockage of the filter screen 8. A plurality of pipe clamps are installed on the outer side of the water pumping pipe 5, and the pipe clamps are fixed on the installation plate 4. The water pumping pipe 5 can be stably installed on the installation plate 4 under the support of the pipe clamps. The filter head 7 is a round-to-square variable diameter structure, and the square end of the filter head 7 is a flat square groove structure. The port of the flat filter head 7 can be effectively immersed in the water body for suction work. The mounting pipe 9 is installed on the side of the end of the water pumping pipe 5 where the filter head 7 is installed. When the filter head 7 is moved out of the water surface under the drive of the waterproof electric push rod 12, the pressure gauge 10 installed at the end of the water pumping pipe 5 near the filter head 7 always maintains a position above the water surface to avoid contact with the water body. The mounting pipe 9 is a slender tube structure. The mounting pipe 9 enables the measuring diaphragm of the pressure gauge 10 to effectively measure While measuring the internal pressure of the water pumping pipe 5, an installation support is provided for the pressure gauge 10 so that the pressure gauge 10 can work above the water surface. The wireless control box 13 includes a wireless module, a single-chip microcomputer, and a relay. The wireless control box 13 is electrically connected to the waterproof electric push rod 12. The operator can send a remote control signal to the wireless control box 13 to control the waterproof electric push rod 12 to extend and retract. The surfaces of the rotating plate 3 and the mounting plate 4 are evenly provided with through-hole structures. The through-holes arranged on the surfaces of the rotating plate 3 and the mounting plate 4 can reduce the resistance of the rotating plate 3 and the mounting plate 4 to the water body when they rotate, thereby reducing the power consumption of the device.

[0034] The working principle of the present technical solution is as follows: when the device is pumping water, the water pump draws the accumulated water through the hose 6, the water pumping pipe 5 and the filter head 7, and the solid impurities in the water body are isolated on the outside of the filter head 7 through the filter screen 8. At this time, the waterproof electric push rod 12 is at its maximum stroke. When there are many foreign objects blocking the filter screen 8, the suction work of the water pump gradually forms a negative pressure inside the water pumping pipe 5. The staff conducts intuitive observation through the pressure gauge 10. When the internal pressure of the water pumping pipe 5 is too low, a control instruction is sent to the wireless control box 13 to shrink the waterproof electric push rod 12 to the end of the stroke. When the waterproof electric push rod 12 shrinks, it drives the rotating plate 3 to rotate with the rotating shaft 2 as the support point, and then the mounting plate 4 installed on the rotating plate 3 drives the filter head 7 to move out above the water surface. At this time, the operator can quickly and safely clean the filter screen 8. After the cleaning is completed, the operator controls the waterproof electric push rod 12 to extend and reset.

[0035] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0036] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. An emergency drainage device for a subway tunnel that is easy to maintain, characterized in that: The invention comprises a base (1), wherein a wireless control box (13) is installed on the base (1) and is rotatably connected to one end of a waterproof electric push rod (12) via a pin shaft, wherein the other end of the waterproof electric push rod (12) is rotatably connected to a rotating plate (3) via a pin shaft, wherein the rotating plate (3) is installed on a mounting plate (4), wherein one end of the mounting plate (4) is rotatably connected to the base (1) via a rotating shaft (2), wherein a water pumping pipe (5) is installed on the mounting plate (4), wherein a mounting pipe (9) is installed on the side of the water pumping pipe (5), wherein a filter head (7) and a hose (6) are respectively installed at both ends of the water pumping pipe (5), wherein the hose (6) is connected to the water inlet of a water pump, wherein a filter screen (8) is provided at the port of the filter head (7), and wherein a pressure gauge (10) is installed on the mounting pipe (9).

2. The subway tunnel emergency drainage device that is easy to maintain according to claim 1 is characterized by: A plurality of pipe clamps are mounted on the outer side of the water pumping pipe (5), and the pipe clamps are fixed on the mounting plate (4).

3. The subway tunnel emergency drainage device that is easy to maintain according to claim 1 is characterized by: The filter head (7) is a circular-to-square diameter-changing structure, and the square end of the filter head (7) is a flat square groove structure.

4. The subway tunnel emergency drainage device that is easy to maintain according to claim 1 is characterized by: The installation pipe (9) is installed on the side of one end of the water suction pipe (5) on which the filter head (7) is installed.

5. The subway tunnel emergency drainage device that is easy to maintain according to claim 1 is characterized by: The installation tube (9) is a slender tube structure.

6. The subway tunnel emergency drainage device that is easy to maintain according to claim 1 is characterized by: The wireless control box (13) comprises a wireless module, a single chip microcomputer and a relay, and the wireless control box (13) is electrically connected to the waterproof electric push rod (12).

7. The subway tunnel emergency drainage device that is easy to maintain according to claim 1 is characterized by: The surfaces of the rotating plate (3) and the mounting plate (4) are evenly provided with through-hole structures.

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