Subway foundation pit dewatering monitoring equipment

Abstract

The utility model discloses subway foundation pit dewatering monitoring equipment which comprises a transverse pipe, a measuring pipe is arranged in the middle of the transverse pipe, a power source is arranged at the top of the measuring pipe, a sealing shell is arranged on the side face of the measuring pipe, through holes which are evenly distributed are formed in the side face, corresponding to an inner cavity of the sealing shell, of the measuring pipe, and elastic leather sheaths are arranged in the through holes. Electric shock pieces are arranged on the sides, located in the sealing shell, of the elastic leather sheaths, resistor pieces are arranged in the positions, corresponding to the electric shock pieces, of the sealing shell, a warning indicator is arranged on a shell of the power source, and the electric shock pieces are connected in series. The subway foundation pit precipitation monitoring equipment is simple in structure, can be installed along the track of the foundation pit, can monitor precipitation ponding conditions at different positions in the foundation pit in real time, can give corresponding warning in time according to the ponding depth in the foundation pit, can achieve low-delay warning, does not need manual inspection and reminding, can save manpower and is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of road engineering, in particular to a subway foundation pit dewatering monitoring device. Background Art

[0002] With the acceleration of my country's urbanization process, subways, as a fast and efficient public transportation, play a vital role in urban transportation. However, due to the complex geological conditions and crisscrossing underground pipelines during subway construction, the safe construction of subway foundation pits has brought many difficulties. In particular, if the subway foundation pit dewatering cannot be effectively controlled and adjusted in a timely manner, it is easy to cause abnormal groundwater levels, which in turn leads to major safety accidents such as subway foundation pit settlement and tunnel structure damage. Therefore, it is particularly important to detect and warn about subway foundation pit dewatering and water accumulation.

[0003] Traditional methods of monitoring foundation pit dewatering and water accumulation mainly rely on manual inspections and manual measurements to determine the conditions of foundation pit dewatering and water accumulation, and then warn construction personnel. However, the foundation pit line is long, the manual inspection cycle is long, and it consumes manpower. It is impossible to detect and judge the water accumulation situation in time, the delay is large, and it is impossible to issue warnings in time. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a subway foundation pit precipitation monitoring equipment. The equipment has a simple structure and can be installed along the foundation pit track. The precipitation and water accumulation conditions at different positions inside the foundation pit can be monitored in real time, and corresponding warnings can be issued in time according to the depth of water accumulation in the foundation pit. The equipment can achieve low-latency warnings and does not require manual inspections and reminders, thus saving manpower and being easy to use, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a subway foundation pit dewatering monitoring device, comprising a transverse tube, a measuring tube is provided in the middle of the transverse tube, a power supply is provided on the top of the measuring tube, a sealing shell is provided on the side of the measuring tube, and evenly distributed through holes are opened on the side corresponding to the inner cavity of the sealing shell, and an elastic leather cover is provided inside the through hole, a shock sheet is provided on one side of the elastic leather cover located inside the sealing shell, and a resistor is provided inside the sealing shell corresponding to the shock sheet, a warning device is provided on the casing of the power supply, a plurality of shock sheets are connected in series, and the plurality of shock sheets and resistor sheets connected in series are electrically connected to the power supply through wires respectively.

[0006] As a preferred technical solution of the utility model, a switch and an indicator light are provided on the power supply housing, and the indicator light is on when the switch is turned on.

[0007] As a preferred technical solution of the utility model, a positioning piece is movably installed on the transverse tube, and the positioning piece includes a ring movably mounted on the transverse tube, a hole is opened on the ear plate on the side of the ring, and a rod is movably inserted into the interior of the hole.

[0008] As a preferred technical solution of the utility model, a fastening bolt is threadedly connected inside the screw hole on the collar.

[0009] As a preferred technical solution of the utility model, an air hole is opened at the upper end of the side surface of the horizontal tube.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The subway foundation pit precipitation monitoring device of the utility model example is placed in a depression on the foundation pit ground, and the insertion rod is passed through the insertion hole and inserted into the foundation pit, and then the horizontal tube is rotated to keep the measuring tube in a vertical or inclined state, and the fastening bolts are rotated to position the horizontal tube, thereby fixing the measuring tube.

[0012] 2. In the subway foundation pit dewatering monitoring device of the utility model example, when the water submerges the elastic leather cover, the elastic leather cover is deformed under the action of water pressure and causes the electric shock sheet to contact the resistor sheet. At this time, the circuit of the alarm is turned on, and the alarm emits an alarm and a warning light, thereby alerting the surrounding construction personnel, indicating that the water accumulated inside the foundation pit has reached a certain amount.

[0013] 3. In the subway foundation pit precipitation monitoring equipment of the utility model example, as the water level in the foundation pit rises, the elastic leather cover on the upper side is deformed and the contact point between the electric shock sheet and the resistor sheet moves upward, the resistance in the circuit becomes smaller, the current becomes larger, and the sound and light of the alarm become stronger, thereby further improving the warning effect.

[0014] 4. The subway foundation pit precipitation monitoring equipment of the utility model example has a simple structure and can be installed along the foundation pit track. It can monitor the precipitation and water accumulation conditions at different locations inside the foundation pit in real time, and issue corresponding warnings in time according to the depth of water accumulation in the foundation pit. It can achieve low-latency warnings and does not require manual patrols and reminders, which can save manpower and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the front view of the utility model;

[0017] Figure 3 It is a simple circuit diagram of the utility model.

[0018] In the figure: 1 horizontal tube, 2 measuring tube, 3 sealing shell, 4 power supply, 41 switch, 42 indicator light, 5 elastic leather cover, 6 wire, 61 electric shock sheet, 7 resistor, 8 warning device, 9 ring, 91 socket, 92 plug rod, 93 fastening bolt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 The utility model provides a technical solution: a subway foundation pit dewatering monitoring device, comprising a transverse pipe 1, a measuring tube 2 is provided in the middle of the transverse pipe 1, a power supply 4 is provided on the top of the measuring tube 2, a sealing shell 3 is provided on the side of the measuring tube 2, and the side corresponding to the inner cavity of the measuring tube 2 and the sealing shell 3 is provided with evenly distributed through holes, and an elastic leather cover 5 is provided inside the through hole, and a side of the elastic leather cover 5 located inside the sealing shell 3 is provided with a shock sheet 61, and a resistor sheet 7 is provided inside the sealing shell 3 corresponding to the shock sheet 61, and a warning device 8 is provided on the outer shell of the power supply 4, a plurality of shock sheets 61 are connected in series, and the plurality of shock sheets 61 and the resistor sheet 7 connected in series are electrically connected to the power supply 4 through a wire 6, when water submerges the elastic leather cover 5, under the action of water pressure, the elastic leather cover 5 is deformed and the shock sheet 61 contacts the resistor sheet 7, at this time, the circuit of the warning device 8 is turned on, and the warning device 8 generates an alarm and a warning light, thereby warning the surrounding construction personnel, indicating that the water accumulated inside the foundation pit has reached a certain amount.

[0021] As the water level in the foundation pit rises, the elastic leather cover 5 on the upper side is deformed and the contact point between the electric shock sheet 61 and the resistor sheet 7 moves upward, the resistance in the circuit becomes smaller, the current becomes larger, and the sound and light of the alarm 8 become stronger, thereby further improving the warning effect.

[0022] Furthermore, a switch 41 and an indicator light 42 are provided on the housing of the power supply 4. When the switch 41 is turned on, the indicator light 42 lights up.

[0023] Furthermore, a positioning member is movably installed on the transverse tube 1, and the positioning member includes a ring 9 movably sleeved on the transverse tube 1, and a plug hole 91 is opened on the ear plate on the side of the ring 9, and an insertion rod 92 is movably inserted into the interior of the plug hole 91.

[0024] Furthermore, the screw hole on the collar 9 is internally threadedly connected with a fastening bolt 93, the equipment is placed in a depression on the ground of the foundation pit, and the insertion rod 92 is passed through the insertion hole 91 and inserted into the foundation pit, and then the cross tube 1 is rotated to keep the measuring tube 2 in a vertical or inclined state, and the fastening bolt 93 is rotated to position the cross tube 1, thereby fixing the measuring tube 2.

[0025] Furthermore, an air hole is opened at the upper end of the side surface of the horizontal tube 1. When water enters the measuring tube 2 and the liquid level in the measuring tube 2 gradually rises, the gas inside the measuring tube 2 is discharged through the air hole.

[0026] The indicator light 42 and the alarm 8 used in the present invention are commonly used electronic components in the prior art, and their working methods and circuit structures are well-known technologies and are not described here. The sound emitted by the alarm 8 gradually increases as the current in the circuit increases.

[0027] When using:

[0028] Place the device in a depression on the ground of the foundation pit, and insert the insertion rod 92 through the insertion hole 91 and into the foundation pit, then rotate the horizontal tube 1 to keep the measuring tube 2 in a vertical or inclined state, and rotate the fastening bolts 93 to position the horizontal tube 1, thereby fixing the measuring tube 2;

[0029] When water enters the foundation pit, as the water level rises, the water flows into the horizontal pipe 1 and then into the measuring pipe 2;

[0030] When the water submerges the elastic leather cover 5, the elastic leather cover 5 is deformed under the action of water pressure and the electric shock sheet 61 contacts the resistor sheet 7. At this time, the circuit of the alarm 8 is turned on, and the alarm 8 emits an alarm and a warning light, thereby warning the surrounding construction workers, indicating that the water accumulated inside the foundation pit has reached a certain amount;

[0031] As the water level in the foundation pit rises, the elastic leather cover 5 on the upper side is deformed and the contact point between the electric shock sheet 61 and the resistor sheet 7 moves upward, the resistance in the circuit becomes smaller, the current becomes larger, and the sound and light of the alarm 8 become stronger, thereby further improving the warning effect.

[0032] The utility model has a simple structure and can be installed along the trajectory of the foundation pit. It can monitor the precipitation and water accumulation conditions at different positions inside the foundation pit in real time, and promptly issue corresponding warnings according to the depth of water accumulation in the foundation pit. It can achieve low-latency warnings, and does not require manual inspections and reminders, which can save manpower and is easy to use.

[0033] The undisclosed parts in the present utility model are all prior art, and their specific structures, materials and working principles are not described in detail. Although the embodiments of the present utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the attached claims and their equivalents.

Claims

1. A subway foundation pit dewatering monitoring device, comprising a horizontal pipe (1), characterized in that: A measuring tube (2) is provided in the middle of the transverse tube (1), a power source (4) is provided at the top of the measuring tube (2), a sealing shell (3) is provided on the side of the measuring tube (2), and evenly distributed through holes are opened on the side of the measuring tube (2) corresponding to the inner cavity of the sealing shell (3), and an elastic leather cover (5) is provided inside the through hole, a shock sheet (61) is provided on one side of the elastic leather cover (5) located inside the sealing shell (3), and a resistor sheet (7) is provided inside the sealing shell (3) corresponding to the shock sheet (61), a warning device (8) is provided on the outer shell of the power source (4), a plurality of shock sheets (61) are connected in series, and the plurality of shock sheets (61) and the resistor sheet (7) connected in series are electrically connected to the power source (4) via wires (6).

2. The subway foundation pit dewatering monitoring device according to claim 1 is characterized by: The power source (4) is provided with a switch (41) and an indicator light (42) on its housing. When the switch (41) is turned on, the indicator light (42) lights up.

3. The subway foundation pit dewatering monitoring device according to claim 1 is characterized by: A positioning member is movably mounted on the transverse tube (1), the positioning member comprising a sleeve (9) movably sleeved on the transverse tube (1), a plug hole (91) is provided on an ear plate on the side of the sleeve (9), and an insertion rod (92) is movably inserted into the interior of the plug hole (91).

4. The subway foundation pit dewatering monitoring device according to claim 3 is characterized by: A fastening bolt (93) is threadedly connected inside the screw hole on the collar (9).

5. The subway foundation pit dewatering monitoring device according to claim 1 is characterized by: An air hole is provided at the upper end of the side surface of the transverse tube (1).

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