CN206903688U - A kind of tunnel automatic water pumping system - Google Patents

Abstract

The utility model discloses an automatic water pumping system for a tunnel, which belongs to the technical field of tunnel construction. The drainage pipe of the system communicates with the water collection well, and the travel switch is fixedly set directly above the water collection well. A guide cylinder is arranged vertically in the water collection well, and the bottom of the guide cylinder is fixedly arranged at the bottom of the water collection well. There are multiple permeable holes, the top of the guide cylinder is facing the travel switch, the inner diameter of the guide cylinder matches the outer diameter of the floating ball, the floating ball is set in the guide cylinder, and the float ball cooperates with the travel switch to control the stroke When the switch is turned on, the water pump is arranged in the water collection well, the water pump is electrically connected with the travel switch, one end of the drain pipe communicates with the water pump, and the other end of the drain pipe communicates with the outside of the tunnel. The utility model does not need special personnel to wait and monitor, and can automatically drain water to save manpower and ensure the normal construction and operation of the tunnel.

Description

A tunnel automatic pumping system

technical field

The utility model belongs to the technical field of tunnel construction, in particular to an automatic pumping system for tunnels.

Background technique

The tunnel pumping system is an important link in the process of tunnel construction, normal use and safe operation, and is directly related to the success or failure of tunnel construction and the use of functions.

In the prior art, a plurality of water collection wells are usually arranged, and the water collection wells are arranged in the lower depressions of the tunnel, and drainage ditches are arranged on both sides of the tunnel, and the accumulated water flows into the water collection wells from the drainage ditches. water depth, periodically pump away accumulated water.

In the process of realizing the utility model, the applicant finds that there are at least the following deficiencies in the prior art:

In the prior art, since the accumulated water is regularly pumped away from the water collection well, someone needs to monitor in real time beside the water collection well to prevent the accumulated water from overflowing the water collection well, which causes a waste of manpower and is very expensive. The accumulated water may not be discharged in time due to personnel negligence, resulting in unnecessary losses.

Utility model content

Aiming at the above-mentioned problems in the prior art, the utility model provides an automatic pumping system for tunnels.

The utility model realizes above-mentioned purpose through following technical scheme:

An automatic water pumping system for tunnels, which is suitable for tunnel drainage. It is arranged directly above the water collection well, and a guide cylinder is vertically arranged in the water collection well, the bottom of the guide cylinder is fixedly arranged on the bottom of the water collection well, and the wall of the guide cylinder is provided with multiple a water-permeable hole, the top of the guide cylinder is facing the travel switch, the inner diameter of the guide cylinder matches the outer diameter of the float ball, and the float ball is movably arranged in the guide cylinder. The float ball cooperates with the travel switch to control the opening of the travel switch, the water pump is arranged in the water collection well, the water pump is electrically connected to the travel switch, and one end of the drain pipe is connected to the The water pumps are connected, and the other end of the drainage pipe is connected outside the tunnel.

Further, the top of the water collection well is open, the top of the side wall of the water collection well is fixedly overlapped with a fixed plate, and the travel switch is set on the side of the fixed plate facing the bottom of the water collection well, so as to realize Installation of travel switch.

Further, the fixed plate is provided with a dustproof cover towards the bottom of the water collection well, and the dust cover is opened towards one side of the bottom of the water collection well, and the travel switch is installed in the dustproof cover, In order to prevent the dust generated during tunnel construction from falling onto the travel switch, the control of the travel switch is sensitive.

Further, the top of the side wall of the water collection well is fixedly overlapped with a fixed rod, and the water pump is overlapped with the fixed rod by a rope, so as to facilitate disassembly and assembly of the water pump.

Furthermore, a plurality of parallel support rods are arranged between the fixed rod and the bottom of the water collection well to support the fixed rod and ensure a stable structure.

Preferably, the water collection well is a box-shaped structure with an open top.

The beneficial effects of the utility model are:

The tunnel automatic pumping system of the utility model, when in use, the accumulated water in the drainage ditch flows into the water collection well, at the same time, the floating ball is moved by buoyancy in the guide cylinder, and when the floating ball rises to the preset position, the travel switch Turn on, control the water pump to start, and then discharge the accumulated water in the sump well to the outside of the tunnel. When the float drops to the preset position, the travel switch is closed, and the water pump is controlled to stop working. Therefore, the tunnel automatic pumping system of the present utility model does not need special personnel to monitor and monitor, and can automatically drain water to save manpower and ensure the normal construction and operation of the tunnel.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is the structural representation of a kind of tunnel automatic pumping system of the utility model embodiment;

Fig. 2 is the structural representation of the guide cylinder in the utility model embodiment;

Fig. 3 is an overall schematic diagram of the water collection well in the embodiment of the utility model.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The embodiment of the utility model discloses an automatic pumping system for tunnels, which is suitable for tunnel drainage.

Fig. 1 is a structural schematic diagram of a tunnel automatic water pumping system according to an embodiment of the utility model. Referring to Fig. 1, a tunnel automatic pumping system according to an embodiment of the utility model includes a water collection well 1, a drainage pipe 2, a water pump 3, and a travel switch 4 and the floating ball 5, the drainage pipe 2 communicates with the water collection well 1, and the travel switch 4 is fixedly arranged directly above the water collection well 1, and the water collection well 1 is vertically provided with a guide tube 7. The schematic diagram of the structure of the guide cylinder, combined with Figure 2, the bottom of the guide cylinder 7 is fixed on the bottom of the water collection well 1, a plurality of permeable holes 8 are provided on the wall of the guide cylinder 7, and the top of the guide cylinder 7 is facing the travel switch 4. The inner diameter of the guide cylinder 7 matches the outer diameter of the floating ball 5. The floating ball 5 is set in the guide cylinder 7. The floating ball 5 cooperates with the travel switch 4 to control the opening of the travel switch 4. The water pump 3 is set in the In the water collection well 1, the water pump 3 is electrically connected with the travel switch 3, one end of the drain pipe 2 communicates with the water pump 3, and the other end of the drain pipe 2 communicates with the outside of the tunnel.

The tunnel automatic pumping system of the utility model, when in use, the accumulated water in the drainage ditch flows into the water collection well, at the same time, the floating ball is moved by buoyancy in the guide cylinder, and when the floating ball rises to the preset position, the travel switch Turn on, control the water pump to start, and then discharge the accumulated water in the sump well to the outside of the tunnel. When the float drops to the preset position, the travel switch is closed, and the water pump is controlled to stop working. Therefore, the tunnel automatic pumping system of the present utility model does not need special personnel to monitor and monitor, and can automatically drain water to save manpower and ensure the normal construction and operation of the tunnel.

Fig. 3 is the overall schematic diagram of the water collection well in the embodiment of the utility model, in conjunction with Fig. 3, in the utility model embodiment, the water collection well 1 can be the box-shaped structure that is the top opening, also can be other shapes, for example is the top opening columnar, etc., the embodiment of the utility model does not limit the structural style of the water collection well 1 here.

In the embodiment of the utility model, since the guide cylinder 7 with the water permeable hole 8 is provided on the side wall, the accumulated water can enter the guide cylinder 7 from the water permeable hole 8, and the floating ball 5 can only move in the guide cylinder 7, ensuring The reliability of the coordination between the float 5 and the travel switch 4.

Further, with reference to Fig. 1 and Fig. 3, in the embodiment of the present utility model, the top of the side wall of the water collection well 1 can be fixedly overlapped with a fixed plate 6, and the travel switch 4 is arranged on a side of the fixed plate 6 facing the bottom of the water collection well 1. side to realize the installation of travel switch.

In the embodiment of the utility model, the fixing plate 6 can be installed on the top of the side wall of the water collection well 1 by using screws, or can be fixed on the top of the side wall of the water collection well 1 by welding. The manner in which the plate 6 is mounted on top of the side wall of the sump 1 is not limited here.

1, in the embodiment of the present utility model, the fixed plate 6 can be provided with a dust cover 9 towards the bottom of the water collection well 1, and the dust cover 9 opens towards the bottom of the water collection well 1, and the travel switch 4 is installed on the dustproof In the cover 9, the dust that produces when stopping tunnel construction falls on the travel switch, makes the control of the travel switch sensitive.

In addition, in conjunction with Fig. 1 and Fig. 3, in the utility model embodiment, the top of the side wall of the sump well 1 can be fixedly lapped with the fixed rod 10, and the water pump 3 is lapped on the fixed rod 10 by a rope, so as to facilitate the water pump. disassembly.

In the embodiment of the present utility model, the fixing rod 10 and the fixing plate 6 can be arranged opposite to each other so as to make the arrangement reasonable.

In the embodiment of the utility model, the fixing rod 10 can be installed on the top of the side wall of the water collection well 1 by using screws, or can be fixed on the top of the side wall of the water collection well 1 by welding. The installation method of the rod 10 on the top of the side wall of the sump 1 is not limited here.

1, in the embodiment of the present invention, a plurality of parallel support rods 11 can be arranged between the fixed rod 10 and the bottom of the water collection well 1 to support the fixed rod 10 to strengthen the structure and ensure the stability of the structure.

When the water volume in the tunnel is too large, multiple water pumps 3 can be installed in the sump 1, and each water pump 3 is controlled by an independent travel switch, and the output pipes of multiple water pumps 3 can be connected to a drain pipe 2 with a flange Perform output drainage.

When the amount of water in the tunnel is low, unneeded water pumps can be turned off, and only one water pump can be used to pump water.

When the pumping line is too long, multiple collection wells can be continuously set up on a tunnel to satisfy the tunnel pumping.

The above-mentioned embodiments are preferred implementation modes of the present utility model, which are only used to facilitate the description of the present utility model, and are not intended to limit the present utility model in any form. Anyone with ordinary knowledge in the technical field, if they do not depart from this utility model Within the scope of the technical features mentioned in the utility model, the equivalent embodiments that make partial changes or modifications made by using the technical content disclosed in the utility model, and do not deviate from the technical features of the utility model, still belong to the technical features of the utility model In the range.

Claims (6)

1. A tunnel automatic water pumping system, which is suitable for tunnel drainage, is characterized in that the system includes a sump (1), a drainage pipe (2), a water pump (3), a travel switch (4) and a float (5) , the drainage pipe (2) communicates with the water collection well (1), the travel switch (4) is fixedly arranged directly above the water collection well (1), and the inside of the water collection well (1) is vertically A guide cylinder (7) is provided, the bottom of the guide cylinder (7) is fixedly arranged on the bottom of the water collection well (1), and a plurality of permeable holes (8) are arranged on the cylinder wall of the guide cylinder (7) , the top of the guide cylinder (7) is facing the travel switch (4), the inner diameter of the guide cylinder (7) matches the outer diameter of the floating ball (5), and the floating ball (5) ) is movably arranged in the guide cylinder (7), the float ball (5) cooperates with the travel switch (4) to control the opening of the travel switch (4), and the water pump (3) is set In the water collection well (1), the water pump (3) is electrically connected to the travel switch (3), one end of the drain pipe (2) communicates with the water pump (3), and the drain pipe ( 2) The other end is connected outside the tunnel. 2. a kind of tunnel automatic water pumping system according to claim 1, is characterized in that, the top opening of described sump well (1), the top of the sidewall of described sump well (1) is fixedly lapped with fixed plate ( 6), the travel switch (4) is arranged on the side of the fixing plate (6) facing the bottom of the water collection well (1). 3. A tunnel automatic water pumping system according to claim 1, characterized in that, said fixed plate (6) is provided with a dustproof cover (9) towards the bottom of said water collection well (1), and said dustproof The cover (9) opens toward the bottom of the water collection well (1), and the travel switch (4) is installed in the dustproof cover (9). 4. A kind of tunnel automatic pumping system according to any one of claims 1-3, characterized in that, the top of the side wall of the sump well (1) is fixedly overlapped with a fixed rod (10), and the water pump (3) lapped on the fixed rod (10) by a rope. 5. A tunnel automatic water pumping system according to claim 4, characterized in that a plurality of supporting rods (12) arranged in parallel are arranged between the fixed rod (10) and the bottom of the water collection well (1) ). 6. The tunnel automatic water pumping system according to any one of claims 1-3, characterized in that, the water collection well (1) is a box-shaped structure with an open top.