Foundation pit supporting structure capable of stopping water

Abstract

The utility model discloses a foundation pit supporting structure capable of stopping water, which comprises a supporting steel plate, one side of the supporting steel plate is provided with a water stopping assembly for stopping water of a foundation pit, through the arrangement of the supporting steel plate, a fixing assembly and the water stopping assembly, the fixing assembly is convenient to assemble and install four groups of steel plates, and the water stopping assembly is convenient to assemble and install. A water stopping assembly, a first groove and an air bag in the first groove are arranged at the joint of the supporting steel plate, an effective water stopping barrier is formed, and after being inflated, the air bags can be tightly attached to the first groove and a second groove, so that underground water or rainwater is prevented from permeating into the foundation pit, the leakage risk is reduced, and the service life of the foundation pit is prolonged. Meanwhile, the extractable supporting steel plate structure is adopted, so that materials can be recycled and reused, the construction speed is high, a series of construction periods of the reinforced concrete pile are shortened, environment friendliness and rapidness are achieved, the air bag is opened through air pressure or water pressure, the water stopping effect is good, repeated use can be achieved, and the cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit equipment technical field, concretely is a foundation pit support structure of water stop. BACKGROUND

[0002] The foundation pit refers to the system engineering of the retaining structure, underground water control, environment protection and other measures needed to ensure the safety and stability of the underground space formed by the downward excavation of the ground during the underground structure construction, and the foundation pit engineering is a comprehensive engineering integrating geological engineering, geotechnical engineering, structural engineering and geotechnical testing technology. The main contents include engineering investigation, support structure design and construction, earthwork excavation and backfilling, underground water control, information construction and surrounding environment protection.

[0003] During the foundation pit construction, strict underground water control measures must be taken, but the existing water stop schemes mostly adopt grouting, high-pressure rotary jet pile or cement soil mixing pile, and the water stop effect is often affected by many factors such as geological conditions, and it is difficult to see absolute impermeability. Secondly, the materials used for water stop, such as grouting material and cement, cannot be recycled once injected into the underground, which not only causes waste of resources but also increases the engineering cost, which does not conform to the environmental protection concept of economic low carbon. Finally, these water stop materials remain in the underground for a long time, which may pollute the underground water environment and have adverse effects on the surrounding environment. Therefore, we need to propose a foundation pit support structure capable of stopping water. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a foundation pit support structure capable of stopping water, which can recycle materials by adopting a pull-out support steel plate structure, can open the air bag by air pressure or water pressure, has good water stop effect and can be used repeatedly, so as to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A foundation pit support structure capable of stopping water, comprising a support steel plate, a water stop assembly for stopping water of the foundation pit is arranged on one side of the support steel plate, a fixing assembly for butt joint installation of the support steel plate is arranged on both sides of the support steel plate, and a reinforcing assembly for reinforcing the connection of the support steel plate is arranged in the support steel plate.

[0007] The water stop assembly comprises a plurality of first grooves arranged on one side of the support steel plate, an air bag is arranged in each of the plurality of first grooves, a plurality of second grooves are arranged on one side of the support steel plate, an air inlet pipe is communicated with the top end of each of the plurality of air bags, a connecting pipe is communicated with the top end of each of the plurality of air inlet pipes, and a conveying pipe is communicated with the outer side of the connecting pipe.

[0008] Preferably, the first groove and the second groove are arranged in an arc shape, and the outer side of the plurality of air bags is matched with the inner side of the plurality of second grooves.

[0009] Preferably, the outer side of the conveying pipe is provided with a first control valve, and the outer side of the plurality of air inlet pipes is provided with a second control valve.

[0010] Preferably, the supporting steel plate is provided with four groups, and the four groups of supporting steel plates are arranged in an L shape.

[0011] Preferably, the fixing assembly comprises a mounting frame fixedly installed on both sides of the four groups of supporting steel plates, the inner side of the plurality of mounting frames is provided with a plurality of first mounting holes, the inner side of the plurality of first mounting holes is provided with a first screw rod, and the outer side of the plurality of first screw rods is threadedly connected with a first nut.

[0012] Preferably, the reinforcing assembly comprises a plurality of mounting plates fixedly installed in the four groups of supporting steel plates, the inner side of the plurality of mounting plates is provided with a second mounting hole, the inner side of the plurality of second mounting holes is provided with a second screw rod, and the outer side of the plurality of second screw rods is threadedly connected with a second nut.

[0013] Preferably, one side of the plurality of supporting steel plates is provided with two groups of clamping strips, the other side of the plurality of supporting steel plates is provided with a clamping groove, and the plurality of clamping strips are clamped in the plurality of clamping grooves.

[0014] Preferably, the top of the plurality of supporting steel plates is provided with two groups of fixing seats, and the top of the plurality of fixing seats is provided with a fixing ring.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The utility model discloses a supporting steel plate, fixing assembly and water stop assembly are set up, and the fixing assembly is convenient for the group connection installation of four groups of steel plates, and the connecting portion of the supporting steel plate is provided with a water stop assembly, the first groove and the air bag in it form an effective water stop barrier, when the air bag is inflated, they can be closely matched in the first groove and the second groove, thereby preventing groundwater or rainwater from seeping into the interior of the foundation pit, and the structure is not limited by geological conditions and can adapt to various complex terrains and soil characteristics, thereby significantly improving the water stop effect and reducing the risk of seepage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The structural schematic view of the utility model;

[0018] Figure 2 The sectional view schematic view of the filter box of the utility model;

[0019] Figure 3 The utility model discloses Figure 2 The structure enlarged view of A area in the middle;

[0020] Figure 4 The utility model discloses Figure 2 The structure enlarged view of B area in the middle.

[0021] In the drawing: 1, support steel sheet, 2, water stop component, 21, first recess, 22, air bag, 23, second recess, 24, air inlet pipe, 25, connecting pipe, 26, delivery pipe, 3, fixed component, 31, mounting bracket, 32, first mounting hole, 33, first screw rod, 34, first nut, 4, reinforcing component, 41, mounting plate, 42, second mounting hole, 43, second screw rod, 44, second nut, 5, first control valve, 6, second control valve, 7, clamping strip, 8, clamping groove, 9, fixed ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0024] A water-stopping foundation pit support structure, including support steel sheet 1, the one side of support steel sheet 1 is provided with the water stop component 2 that carries out water stop to foundation pit, and the both sides of support steel sheet 1 are provided with the fixed component 3 that carries out butt joint installation to support steel sheet 1, and the inside of support steel sheet 1 is provided with the reinforcing component 4 that strengthens support steel sheet 1 connection;

[0025] Water stop component 2 includes the multiple groups of first recess 21 that are opened in the one side of support steel sheet 1, and the inside of multiple groups of first recess 21 is provided with air bag 22, and the one side of support steel sheet 1 is opened with multiple groups of second recess 23, and the top of multiple groups of air bag 22 is all communicated with air inlet pipe 24, and the top of multiple groups of air inlet pipe 24 is communicated with connecting pipe 25, and the outside of connecting pipe 25 is communicated with delivery pipe 26.

[0026] The plurality of groups of first grooves 21 and the plurality of groups of second grooves 23 are arranged in an arc shape, and the outer sides of the plurality of groups of air bags 22 are respectively attached to the inner sides of the plurality of groups of second grooves 23. Through the arrangement of the first grooves 21 and the second grooves 23, the arc-shaped first grooves 21 and the second grooves 23 enable the air bags 22 to be more evenly attached between the support steel plates 1 and the side walls of the foundation pit when inflated, forming a tight water stop barrier. This design enhances the sealing of the water stop and reduces the possibility of water leakage.

[0027] The outer side of the delivery pipe 26 is provided with a first control valve 5, and the outer side of each of the plurality of groups of air inlet pipes 24 is provided with a second control valve 6. Through the arrangement of the first control valve 5 and the second control valve 6, flexible adjustment of air inflation and deflation of the air bags 22 can be achieved. This not only facilitates construction operation, but also makes the water stopping effect more controllable, and facilitates adjustment of pressure according to needs, thereby improving the adaptability and flexibility of the entire support structure.

[0028] The support steel plates 1 are arranged in four groups, and each of the four groups of support steel plates 1 is arranged in an L shape

[0029] Through the arrangement of the support steel plates 1, the four groups of support steel plates 1 are arranged identically, and the two groups can be mutually clamped. The L-shaped support steel plates 1 can better adapt to the corners and edges of the foundation pit, improve the coverage and stability of the support, and at the same time, the L-shaped design also enhances the connectivity between the four groups of support steel plates 1, making the entire support structure more secure.

[0030] The fixing assembly 3 includes four mounting frames 31 respectively fixedly installed on both sides of the four groups of support steel plates 1. The inner sides of the plurality of mounting frames 31 are respectively provided with a plurality of first mounting holes 32. The inner sides of the plurality of first mounting holes 32 are respectively provided with first screws 33. The outer sides of the plurality of first screws 33 are respectively threadedly connected with first nuts 34. Through the arrangement of the fixing assembly 3, the mounting frames 31 on both sides of the four groups of support steel plates 1 are respectively aligned with them. The plurality of first mounting holes 32 are respectively provided with the first screws 33, and then the first nuts 34 are used to tighten the first screws 33, so that the four groups of support steel plates 1 can be fixedly installed, thereby ensuring the stability and safety of the support steel plates 1 and preventing safety accidents caused by loosening or falling of the support steel plates 1.

[0031] The reinforcing assembly 4 includes a plurality of mounting plates 41 respectively fixedly installed in the four groups of support steel plates 1. The inner sides of the plurality of mounting plates 41 are respectively provided with second mounting holes 42. The inner sides of the plurality of second mounting holes 42 are respectively provided with second screws 43. The outer sides of the plurality of second screws 43 are respectively threadedly connected with second nuts 44. Through the arrangement of the reinforcing assembly 4, the mounting plates 41 in the support steel plates 1 are tightened by the second nuts 44 and the second screws 43, thereby further enhancing the connection strength and overall stability between the support steel plates 1, so that the support structure can withstand greater pressure and deformation, and improve its pressure resistance and durability.

[0032] The one side of the plurality of supporting steel plates 1 is provided with two groups of clamping strips 7, the other side of the plurality of supporting steel plates 1 is provided with clamping grooves 8, the plurality of clamping strips 7 are clamped in the plurality of clamping grooves 8 respectively, through the cooperation of the clamping strips 7 and the clamping grooves 8, the quick and convenient connection between the supporting steel plates 1 is realized, not only the installation process is simplified, but also the continuity and integrity of the supporting structure are improved, and the water stopping effect is enhanced.

[0033] The top of the plurality of supporting steel plates 1 is provided with two groups of fixing bases, the top of the plurality of fixing bases is provided with fixing rings 9, through the setting of the fixing bases and the fixing rings 9, the connecting points for the connection with other construction equipment are provided, and the subsequent pulling out of the supporting steel plates 1 from the foundation pit is facilitated.

[0034] Working principle: when the utility model is used, first, four supporting steel plates 1 are clamped with each other, so that two installation frames 31 are aligned with each other, the first installation hole 32 in the installation frame 31 is used for penetrating the first screw rod 33, then the first screw rod 33 is tightened through the first nut 34, the mounting plate 41 in the supporting steel plate 1 is tightened through the second nut 44, thereby the connection of the supporting steel plate 1 is completed, then the assembled supporting steel plate 1 is inserted into the foundation pit, then the gas is transported to the connecting pipe 25 through the conveying pipe 26, the connecting pipe 25 distributes the gas to each gas inlet pipe 24, the gas inlet pipe 24 is communicated with the gas bag 22, therefore the gas can enter the gas bag 22 and make it expand, since the gas bag 22 is arranged in the first recess 21 of the supporting steel plate 1, and the outer side of the gas bag 22 is attached to the inner side of the second recess 23, therefore when the gas bag 22 expands, it is tightly attached between the two, thereby forming a continuous water stopping barrier.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A water-stopping foundation pit support structure, characterized in that, The support steel plate (1) is provided with a water-stopping component (2) for stopping the water in the foundation pit on one side of the support steel plate (1), and a fixing component (3) for connecting and installing the support steel plate (1) is provided on both sides of the support steel plate (1). A reinforcing component (4) for strengthening the connection of the support steel plate (1) is provided inside the support steel plate (1). The water-stopping component (2) includes multiple sets of first grooves (21) opened on one side of the support steel plate (1), each set of first grooves (21) is provided with an airbag (22), each set of second grooves (23) is opened on one side of the support steel plate (1), each set of airbags (22) is connected to an air inlet pipe (24) at the top, each set of air inlet pipes (24) is connected to a connecting pipe (25) at the top, and the connecting pipe (25) is connected to a delivery pipe (26) on the outside.

2. The water-stopping foundation pit support structure according to claim 1, characterized in that: The multiple sets of first grooves (21) and multiple sets of second grooves (23) are all arc-shaped, and the outer side of the multiple sets of airbags (22) respectively fits into the interior of the multiple sets of second grooves (23).

3. The water-stopping foundation pit support structure according to claim 1, characterized in that: A first control valve (5) is provided on the outside of the delivery pipe (26), and a second control valve (6) is provided on the outside of the multiple sets of air inlet pipes (24).

4. The water-stopping foundation pit support structure according to claim 1, characterized in that: The support steel plate (1) is provided in four sets, and all four sets of the support steel plate (1) are L-shaped.

5. The water-stopping foundation pit support structure according to claim 1, characterized in that: The fixing component (3) includes mounting brackets (31) that are fixedly installed on both sides of the four sets of support steel plates (1). The interior of the multiple sets of mounting brackets (31) is provided with multiple sets of first mounting holes (32). The interior of the multiple sets of first mounting holes (32) is provided with a first screw (33). The outer side of the multiple sets of first screws (33) is threaded with a first nut (34).

6. The water-stopping foundation pit support structure according to claim 1, characterized in that: The reinforcing component (4) includes multiple sets of mounting plates (41) that are fixedly installed inside the four sets of support steel plates (1). The multiple sets of mounting plates (41) are provided with second mounting holes (42) inside each set of second mounting holes (42). The multiple sets of second mounting holes (42) are provided with second screws (43) inside each set of second screws (43). The outer side of each set of second screws (43) is threaded with a second nut (44).

7. The water-stopping foundation pit support structure according to claim 1, characterized in that: Two sets of snap-fit ​​strips (7) are provided on one side of each of the multiple sets of support steel plates (1), and snap-fit ​​grooves (8) are provided on the other side of the multiple sets of support steel plates (1). The multiple sets of snap-fit ​​strips (7) are snapped into the multiple sets of snap-fit ​​grooves (8) respectively.

8. The water-stopping foundation pit support structure according to claim 1, characterized in that: Each of the multiple sets of support steel plates (1) is provided with two sets of fixing seats on its top, and each of the multiple sets of fixing seats is provided with a fixing ring (9) on its top.

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