Foundation pit recharge well recharge system

Abstract

The utility model belongs to the technical field of foundation pit water level control, and aims to solve the problems that the monitoring is not timely, the recharge is not in place or the recharge is over due to the recharge measures of manual monitoring and manual recharge. According to the recharge system of the foundation pit recharge well, the bottom of a water level control valve is installed at the original water level elevation of the recharge well, a first hole channel is formed in the bottom end of the water level control valve, and floating gaskets are arranged in a first inner cavity of the water level control valve and located above a water inlet travel switch and below a water return travel switch; a second hole channel is formed in the bottom end of the water level control valve, and a second inner cavity of the water level control valve is communicated with the second hole channel; the recharge pipeline penetrates through the cover body and is communicated with the second inner cavity, and the first inner cavity is isolated from the second inner cavity; the recharge pipeline is connected with a water pump in the water tank. The device is simple in structure, water level floating in the recharge well can be effectively controlled, and the requirement for timely and effective control over the underground water level on the periphery of a foundation pit is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit water level control, and in particular relates to a foundation pit recharging well recharging system. Background Art

[0002] When foundation pit dewatering is carried out in areas with high groundwater levels, there will be a large height difference between the water level inside the foundation pit and the water level outside the foundation pit, causing groundwater outside the foundation pit to seep into the foundation pit along the bottom of the foundation pit wall, and the water level outside the foundation pit will drop. When the water level outside the foundation pit drops to a certain level, it may cause uneven settlement of the foundations of buildings around the foundation pit, cracking of buildings and other adverse consequences.

[0003] In order to prevent the water level outside the foundation pit from dropping seriously, the water level of the foundation pit recharging well should be monitored during the foundation pit excavation. When the water level of the recharging well drops, the recharging well should be recharged in time to ensure that the water level outside the foundation pit remains unchanged or changes little. The measures of manual monitoring and manual recharging are generally adopted. However, the recharging measures of manual monitoring and manual recharging have problems such as untimely monitoring, inadequate recharging or over-charging. Utility Model Content

[0004] In order to solve at least one of the above technical problems existing in the prior art, the utility model provides a foundation pit recharging well recharging system.

[0005] The utility model is implemented by the following technical scheme: a foundation pit recharge well recharge system, comprising a water level control valve, a recharge pipe, a water pump and a water tank; the bottom of the water level control valve is installed at the original measured water level elevation of the recharge well, the bottom end of the water level control valve is provided with a first channel, a floating gasket, a water inlet stroke switch and a water return stroke switch are provided in the first inner cavity of the water level control valve, the floating gasket is located above the water inlet stroke switch and below the water return stroke switch, the first inner cavity is communicated with the first channel, the bottom end of the water level control valve is provided with a second channel, the second inner cavity of the water level control valve is communicated with the second channel, the upper end of the water level control valve is provided with a cover body, the recharge pipe passes through the cover body and is communicated with the second inner cavity, the first inner cavity and the second inner cavity are isolated from each other; the recharge pipe is connected to the water pump in the water tank.

[0006] Preferably, a guide rod perpendicular to the first inner cavity is provided at the bottom thereof, and the floating pad is movably sleeved on the guide rod.

[0007] Preferably, the first channel is in the shape of a raindrop, and a plurality of first channels are arranged in a circular array; the second channel is in the shape of a strip; the first inner cavity is in the shape of a cylinder and is sealed at the upper end.

[0008] Preferably, the water level control valve is a cylindrical structure, and the water level control valve is fixed to the cover body by threads.

[0009] Preferably, the positions of the water inlet stroke switch and the water return stroke switch correspond to the water inlet level and the water pumping level in the recharging well, respectively.

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

[0011] The device has a simple structure and can effectively control the water level fluctuation in the recharging well, meeting the requirements for timely and effective control of the groundwater level outside the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0014] Figure 2 It is a structural schematic diagram of the water level control valve of this embodiment.

[0015] In the figure: 1-water level control valve; 1.1-first channel; 1.2-second channel; 2-reinjection pipe; 3-water pump; 4-water tank; 5-floating gasket; 6-water inlet stroke switch; 7-water return stroke switch; 8-cover body; 9-guide rod. DETAILED DESCRIPTION

[0016] Combined with the drawings in the embodiments of the utility model, the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented, so they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0018] The utility model provides an embodiment:

[0019] like Figure 1 , Figure 2 As shown, a foundation pit recharging well recharging system includes a water level control valve 1, a recharging pipeline 2, a water pump 3 and a water tank 4;

[0020] The bottom of the water level control valve 1 is installed at the original measured water level elevation of the recharging well. The bottom end of the water level control valve 1 is provided with a first channel 1.1. The first inner cavity of the water level control valve 1 is provided with a floating gasket 5, a water inlet stroke switch 6 and a water return stroke switch 7. The floating gasket 5 is located above the water inlet stroke switch 6 and below the water return stroke switch 7. The first inner cavity is connected to the first channel 1.1. The bottom end of the water level control valve 1 is provided with a second channel 1.2. The second inner cavity of the water level control valve 1 is connected to the second channel 1.2. The upper end of the water level control valve 1 is provided with a cover body 8. The recharging pipe 2 passes through the cover body 8 and is connected to the second inner cavity. The first inner cavity is isolated from the second inner cavity; the recharging pipe 2 is connected to the water pump 3 in the water tank 4, and the water inlet stroke switch 6 and the water return stroke switch 7 are connected to the water pump 3 via a controller.

[0021] In this embodiment, a guide rod 9 perpendicular to the first inner cavity is provided at the bottom thereof, and the floating gasket 5 is movably sleeved on the guide rod 9 to ensure that the floating gasket will not be stuck in the first inner cavity.

[0022] The water level control valve 1 is a cylindrical structure, and the water level control valve 1 is threadedly connected and fixed to the cover body 8, which is convenient for the installation of the recharge pipe 2; the shape of the first channel 1.1 is raindrop-shaped, and multiple first channels 1.1 are arranged in a circular array; the shape of the second channel 1.2 is strip-shaped; the shape of the first inner cavity is cylindrical and the upper end is sealed.

[0023] The positions of the water inlet stroke switch 6 and the water return stroke switch 7 correspond to the water inlet level and the water pumping level in the recharging well respectively.

[0024] Working principle: When the water level in the recharging well drops to the position of the water inlet stroke switch, the floating gasket 5 drives the water inlet stroke switch 6 to operate, and the controller receives the action signal of the water inlet stroke switch 6 to control the water pump to deliver water; after the water level in the recharging well rises, the floating gasket 5 disengages from the water inlet stroke switch 6, and the water inlet stroke switch 6 returns to its position, and the controller controls the water pump to stop delivering water;

[0025] When the water level in the recharge well rises to the position of the return water stroke switch 7, the floating gasket 5 drives the return water stroke switch 7 to operate, and the controller receives the action signal of the return water stroke switch 7 to control the water pump to pump water; after the water level in the recharge well drops, the floating gasket 5 disengages from the return water stroke switch 7, and the return water stroke switch 7 returns to its position, and the controller controls the water pump to stop pumping water.

[0026] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. A foundation pit recharging well recharging system, characterized by: It comprises a water level control valve (1), a recharging pipe (2), a water pump (3) and a water tank (4); The bottom of the water level control valve (1) is installed at the original measured water level elevation of the recharging well. The bottom end of the water level control valve (1) is provided with a first hole (1.1). A floating gasket (5), a water inlet stroke switch (6) and a water return stroke switch (7) are provided in the first inner cavity of the water level control valve (1). The floating gasket (5) is located above the water inlet stroke switch (6) and below the water return stroke switch (7). The first inner cavity is connected to the first hole (1.1). A second hole (1.2) is provided at the bottom end, the second inner cavity of the water level control valve (1) is connected to the second hole (1.2), a cover body (8) is provided at the upper end of the water level control valve (1), the recharging pipe (2) passes through the cover body (8) and is connected to the second inner cavity, and the first inner cavity and the second inner cavity are isolated from each other; the recharging pipe (2) is connected to the water pump (3) in the water tank (4), and the upper part of the water inlet stroke switch (6) and the water return stroke switch (7) are connected to the water pump (3) via a controller.

2. A foundation pit recharging well recharging system according to claim 1, characterized in that: A guide rod (9) perpendicular to the first inner cavity is arranged at the bottom thereof, and a floating pad (5) is movably sleeved on the guide rod (9).

3. A foundation pit recharging well recharging system according to claim 1, characterized in that: The first hole (1.1) is in the shape of a raindrop, and a plurality of first holes (1.1) are arranged in a circular array; the second hole (1.2) is in the shape of a strip; and the first inner cavity is in the shape of a cylinder and is sealed at the upper end.

4. A foundation pit recharging well recharging system according to claim 1, characterized in that: The water level control valve (1) is a cylindrical structure, and the water level control valve (1) is threadedly connected and fixed to the cover body (8).

5. The foundation pit recharging well recharging system according to claim 1, characterized in that: The positions of the water inlet stroke switch (6) and the water return stroke switch (7) correspond to the water inlet level and the water pumping level in the recharging well respectively.

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