Waterproof curtain structure for inner wall of foundation pit

Abstract

The utility model discloses a foundation pit inner wall waterproof curtain structure, and relates to the technical field of foundation pit protection, the foundation pit inner wall waterproof curtain structure comprises a wall body, a supporting piece is arranged on the upper side of one end of the wall body, the supporting piece is connected with the wall body through bolts in a matched mode, a plurality of columns are arranged on the lower side of one end of the supporting piece, a plurality of L-shaped plates are arranged on the upper side of one end of the wall body, and the L-shaped plates are connected with the supporting piece through bolts. According to the waterproof curtain structure for the inner wall of the foundation pit, through the supporting pieces and the L-shaped plates, when the wall body expands with heat and contracts with cold and other motions, the bolts of the L-shaped plates and the supporting pieces move in the movable grooves, meanwhile, the clamping pieces move in the locking pieces, and therefore the waterproof curtain structure for the inner wall of the foundation pit is formed. According to the waterproof curtain, the influence of thermal expansion and cold contraction of a wall on the columns can be effectively reduced, so that the use stability of the waterproof curtain is improved, the splicing connection is convenient through the spliced column structures, the columns can be installed one by one during installation, and the sliding strips enable the sealing performance between the columns to be better and the waterproof capacity to be higher after installation.

Description

Technical Field

[0001] This application relates to the technical field of foundation pit protection, and in particular to a water-stop curtain structure for the inner wall of a foundation pit. Background Art

[0002] A water-stop curtain is a structure such as a diaphragm wall or continuous cast-in-place piles used to prevent groundwater seepage, prevent a large amount of groundwater outside the foundation pit from flowing into the foundation pit, keep the foundation pit dry for convenient construction, and the water-stop curtain also helps to maintain the stability of the soil around the foundation pit.

[0003] After checking the publication number: CN214783958U, a water-stop curtain structure for a foundation pit is disclosed. In this technology, it is disclosed that "including a cast-in-place wall arranged around the foundation pit, the cast-in-place wall includes multiple first cast-in-place piles and multiple second cast-in-place piles, the multiple first cast-in-place piles and the multiple second cast-in-place piles are arranged at intervals, and both sides of the first cast-in-place pile facing the second cast-in-place pile are respectively provided with engaging grooves, and the side wall of the second cast-in-place pile abuts against the side wall of the engaging groove; a fixing component for fixing the cast-in-place wall is arranged at the upper end position of the cast-in-place pile, the fixing component includes a fixing rod fixed in the side wall of the foundation pit and a limiting member fixed at the end of the fixing rod, and the limiting member is fixed to the upper end of the cast-in-place wall, etc. technical solutions, and has technical effects such as improving the water-stop performance of the curtain structure and reducing the impact on the stability of the foundation pit".

[0004] Regarding the above related technology, the inventor believes that the existing water-stop curtain structure for a foundation pit is not convenient for dealing with the volume change of the wall caused by thermal expansion and contraction. The wall will change a certain volume with the temperature change, which may cause a certain impact on the water-stop curtain placed on the inner wall of the foundation pit, and may seriously cause the water-stop curtain to be damaged and cracked. Moreover, the existing water-stop curtain structure for a foundation pit is not convenient for splicing and connection, so the construction takes more time and the installation efficiency is not high. Therefore, a water-stop curtain structure for the inner wall of a foundation pit is needed to solve the above problems. Summary of the Utility Model

[0005] The purpose of this application is to provide a water-stop curtain structure for the inner wall of a foundation pit to improve the problems of inconvenience in dealing with the volume change of the wall caused by thermal expansion and contraction and inconvenience in splicing and connection.

[0006] A water-stop curtain structure for the inner wall of a foundation pit provided by this application adopts the following technical solutions:

[0007] A waterproof curtain structure for the inner wall of a foundation pit, comprising a wall body. On the upper side of one end of the wall body, there is a support member, and the support member is connected to the wall body by bolt cooperation. On the lower side of one end of the support member, there are multiple columns. On the upper side of one end of the wall body, there are multiple L-shaped plates. The L-shaped plates are connected to the support member by bolt cooperation, and both ends of the L-shaped plates are connected to the wall body by bolt cooperation. A locking member is penetrated through one end of the L-shaped plate. On the upper inner wall of the support member, multiple clamping members are fixedly arranged, and the clamping members are used in cooperation with the corresponding locking members.

[0008] By adopting the above technical solution, when the wall body undergoes movements such as thermal expansion and contraction, the bolts of the L-shaped plates and the support member move in the activity grooves, and at the same time, the clamping members move in the locking members, which can effectively reduce the influence of the thermal expansion and contraction of the wall body on the columns.

[0009] Optionally, there are three L-shaped plates, and the three L-shaped plates are evenly distributed at equal intervals.

[0010] By adopting the above technical solution, the supporting force is evenly distributed and the structure is more reasonable.

[0011] Optionally, a reinforcing member is fixedly arranged at one end of the locking member, and multiple reinforcing grooves for using the locking member and the reinforcing member in cooperation are opened at one end of the wall body.

[0012] By adopting the above technical solution, the reinforcing member is located in the reinforcing groove in the poured wall body, so that the supporting strength and stability of the locking member on the surface can be improved.

[0013] Optionally, a through bolt groove for using bolts in cooperation is opened on the lower inner wall of the support member.

[0014] By adopting the above technical solution, it is convenient for bolt fixing.

[0015] Optionally, two activity grooves for using bolts in cooperation are opened on the lower inner wall of the L-shaped plate.

[0016] By adopting the above technical solution, the bolts can move in the activity grooves, so that the support member can move to a certain extent on the L-shaped plate.

[0017] Optionally, a sliding strip is fixedly arranged on one side of the outer surface of the column, a sliding groove for using the sliding strip in cooperation is opened on the other side of the outer surface of the column, multiple column grooves for using the column in cooperation are opened at one end of the wall body, and a bottom groove for using the column in cooperation is opened on the lower inner wall of the wall body.

[0018] By adopting the above technical solution, the columns can be spliced, the splicing is convenient, and the sliding strip makes the sealing between the columns better and the waterproof ability stronger.

[0019] Optionally, one end of the support member is fixedly provided with a connecting plate, the connecting plate and the column body are connected by bolts, and fixing grooves for using bolts are provided at the upper ends of the column body and the connecting plate.

[0020] By adopting the above technical solution, the column body is installed through the connecting plate, and the column body is fixed on the support member by inserting bolts into the corresponding fixing grooves, and the installation is convenient.

[0021] Optionally, a plurality of column grooves for using the column body are provided at one end of the wall body, and a bottom groove for using the column body is provided on the lower inner wall of the wall body.

[0022] By adopting the above technical solution, after the column body is installed, it is placed in the column groove and the bottom groove, which can provide good protection and support for the column body.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. In the present application, through the support member and the L-shaped plate, when the wall body undergoes thermal expansion and contraction and other movements, the bolts of the L-shaped plate and the support member move in the movable groove, and at the same time, the clamping member moves in the locking member, which can effectively reduce the influence of the thermal expansion and contraction of the wall body on the column body, thereby improving the stability of the use of the cut-off wall.

[0025] 2. In the present application, through the splicable column body structure, the splicing connection is convenient, and the installation can be carried out one by one during installation, and after installation, the sliding strip makes the sealing between the column bodies better and the waterproof ability stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of the overall structure of the present application.

[0027] Figure 2 is an exploded view of the cross-section of the support member and its connection structure of the present application.

[0028] Figure 3 is a schematic diagram of the structure of the clamping member and the locking member of the present application.

[0029] Figure 4 is an exploded view of the column body structure of the present application.

[0030] In the figure, 1, wall body; 2, support member; 21, L-shaped plate; 22, locking member; 23, reinforcing member; 24, reinforcing groove; 25, movable groove; 27, bolt groove; 28, clamping member; 3, column body; 31, sliding strip; 32, sliding groove; 33, column groove; 34, bottom groove; 4, connecting plate; 41, fixing groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] The following will further describe the present application in detail Figure 1 - attached Figure 4 , with reference to the attached drawings.

[0032] Example 1

[0033] A water-stop curtain structure for the inner wall of a foundation pit, referring to Figures 1-3 , includes a wall 1. On the upper side of one end of the wall 1, a support member 2 that can move slightly is installed. The support member 2 is connected to the wall 1 by bolt cooperation. At the lower side of one end of the support member 2, a plurality of columns 3 are installed by bolts. On the upper side of one end of the wall 1, a plurality of L-shaped plates 21 are installed by bolts. The L-shaped plates 21 are connected to the support member 2 by bolt cooperation. A through bolt groove 27 for using bolts is provided on the lower inner wall of the support member 2. Two movable grooves 25 for using bolts are provided on the lower inner wall of the L-shaped plate 21. There are three L-shaped plates 21, and the three L-shaped plates 21 are evenly distributed. Both ends of the L-shaped plate 21 are connected to the wall 1 by bolt cooperation. A locking member 22 is provided through one end of the L-shaped plate 21. A plurality of clamping members 28 are fixedly provided on the upper inner wall of the support member 2, and the clamping members 28 are used in cooperation with the corresponding locking members 22. The wall 1 is the side wall of the foundation pit, and a plurality of columns 3 form a water-stop curtain. The columns 3 are supported by the support member 2. The support member 2 is connected to the L-shaped plate 21 on the wall 1 by bolts in the bolt groove 27. When the wall 1 undergoes thermal expansion and contraction and other movements, the bolts of the L-shaped plate 21 and the support member 2 move in the movable groove 25, and at the same time, the clamping members 28 move in the locking members 22, which can effectively reduce the influence of the thermal expansion and contraction of the wall 1 on the columns 3.

[0034] Referring to Figures 1-3 , the upper end of the wall 1 is formed by pouring. One end of the locking member 22 is fixedly provided with a reinforcing member 23. After the wall 1 is poured, a reinforcing groove 24 for using the locking member 22 and the reinforcing member 23 is formed. The reinforcing member 23 is located in the reinforcing groove 24 of the poured wall 1, so as to improve the support strength and stability of the locking member 22 on the surface.

[0035] The implementation principle of the embodiment of the present application is as follows: The wall 1 is the side wall of the foundation pit, and a plurality of columns 3 form a water-stop curtain. The columns 3 are supported by the support member 2. The support member 2 is connected to the L-shaped plate 21 on the wall 1 by bolts in the bolt groove 27. When the wall 1 undergoes thermal expansion and contraction and other movements, the bolts of the L-shaped plate 21 and the support member 2 move in the movable groove 25, and at the same time, the clamping members 28 move in the locking members 22, which can effectively reduce the influence of the thermal expansion and contraction of the wall 1 on the columns 3, thereby improving the stability of the use of the water-stop curtain.

[0036] The upper end of the wall 1 is formed by pouring. The reinforcing member 23 is located in the reinforcing groove 24 of the poured wall 1, so as to improve the support strength and stability of the locking member 22 on the surface.

[0037] Example 2

[0038] The difference between this embodiment and Example 1 is that:

[0039] Reference Figure 4 As shown in Figure 4 , a slide bar 31 is welded on one side of the outer surface of the column body 3, and a chute 32 for cooperating with the slide bar 31 is provided on the other side of the outer surface of the column body 3. The size of the chute 32 is the same as the outer surface size of the slide bar 31. The column bodies 3 can be spliced. Specifically, the slide bar 31 on one column body 3 is slid into the chute 32 on another column body 3. The splicing is convenient. During installation, the column bodies 3 can be installed one by one. After installation, the slide bar 31 makes the sealing performance between the column bodies 3 better and the waterproof ability stronger.

[0040] Reference Figures 1-4 As shown in Figures 1-4 , a connecting plate 4 is welded at one end of the support member 2. The connecting plate 4 and the column body 3 are connected by bolts. Fixing grooves 41 for cooperating with the bolts are provided at the upper ends of both the column body 3 and the connecting plate 4. The column body 3 is installed through the connecting plate 4. The bolts are inserted into the corresponding fixing grooves 41 to fix the column body 3 on the support member 2.

[0041] Reference Figure 4 As shown in Figure 4 , a plurality of column grooves 33 for cooperating with the column body 3 are provided at one end of the wall body 1, and a bottom groove 34 for cooperating with the column body 3 is provided on the lower inner wall of the wall body 1. Both the column groove 33 and the bottom groove 34 are in contact with the corresponding column body 3. After the column body 3 is installed, it is placed in the column groove 33 and the bottom groove 34, which can provide good protection and support for the column body 3.

[0042] The embodiments of the specific implementation manners are all the preferred embodiments of the present application, and do not limit the protection scope of the present application accordingly. The same components are denoted by the same reference numerals. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A water-stop curtain structure for the inner wall of a foundation pit, comprising a wall body (1), characterized in that: On the upper side of one end of the wall (1), there is a support member (2). The support member (2) is connected to the wall (1) by bolt cooperation. On the lower side of one end of the support member (2), there are multiple columns (3). On the upper side of one end of the wall (1), there are multiple L-shaped plates (21). The L-shaped plates (21) are connected to the support member (2) by bolt cooperation. Both ends of the L-shaped plates (21) are connected to the wall (1) by bolt cooperation. A locking member (22) is provided through one end of the L-shaped plate (21). Multiple clamping members (28) are fixedly provided on the upper inner wall of the support member (2), and the clamping members (28) are used in cooperation with the corresponding locking members (22).

2. The water-stop curtain structure on the inner wall of the foundation pit according to claim 1, characterized in that: On one side of the outer surface of the column (3), a sliding strip (31) is fixedly provided. On the other side of the outer surface of the column (3), a sliding groove (32) for cooperating with the sliding strip (31) is provided.

3. A water-stop curtain structure for the inner wall of a foundation pit according to claim 1, characterized in that: There are three L-shaped plates (21), and the three L-shaped plates (21) are evenly spaced.

4. A water-stop curtain structure for the inner wall of a foundation pit according to claim 1, characterized in that: One end of the locking member (22) is fixedly provided with a reinforcing member (23). Multiple reinforcing grooves (24) for cooperating with the locking member (22) and the reinforcing member (23) are provided at one end of the wall (1).

5. A water-stop curtain structure for the inner wall of a foundation pit according to claim 1, characterized in that: A bolt groove (27) for cooperating with a bolt in a through manner is provided on the lower inner wall of the support member (2).

6. A waterproof curtain structure for the inner wall of a foundation pit according to claim 1, characterized in that: Two movable grooves (25) for cooperating with bolts are provided on the lower inner wall of the L-shaped plate (21).

7. A water-stop curtain structure for the inner wall of a foundation pit according to claim 1, characterized in that: One end of the support member (2) is fixedly provided with a connecting plate (4). The connecting plate (4) and the column (3) are connected by bolt cooperation. Fixing grooves (41) for cooperating with bolts are provided at the upper ends of the column (3) and the connecting plate (4).

8. A waterproof curtain structure for the inner wall of a foundation pit according to claim 1, characterized in that: Multiple column grooves (33) for cooperating with the column (3) are provided at one end of the wall (1), and a bottom groove (34) for cooperating with the column (3) is provided on the lower inner wall of the wall (1).

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