Improved water stop structure of underground diaphragm wall

Abstract

The utility model provides a water stop structure of an improved underground diaphragm wall, belongs to the field of building construction, and aims to solve the problems that an existing water stop structure of the underground diaphragm wall cannot effectively improve the sealing water stop function between the underground diaphragm walls and cannot enhance the connection strength between the underground diaphragm walls at the same time. Comprising an underground wall body, a sealing plate and a protection plate, a fixing plate is fixedly installed on the side end face of the underground wall body, a first limiting groove, a second limiting groove, a third limiting groove and a first threaded hole are formed in the fixing plate, and the first limiting groove communicates with the second limiting groove. Through cooperation of reinforcing rods and reinforcing blocks, the sealing plates and the fixing plates can be conveniently and stably clamped and spliced, meanwhile, splicing frames at the side ends of the two sealing plates are mutually spliced, and the two sealing plates can be conveniently and stably clamped, spliced and connected in a reinforced mode in combination with inserting rods; and more stable connection can be provided for connection between the two sealing plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building construction, and concretely relates to an improved water stop structure of underground continuous wall. BACKGROUND

[0002] The underground continuous wall has the characteristics of large structural rigidity, integrity, anti-permeability and durability, and can be used as a permanent retaining wall and load-bearing structure, and can adapt to various complex construction environments and hydrogeological conditions, if the underground water is relatively rich during the construction of the underground continuous wall, the wall of the underground continuous wall is prone to seepage after the excavation of earthwork, and the joints of each slot section of the underground continuous wall are prone to seepage, so it is necessary to use a water stop structure to seal and stop water at the connection of the underground continuous wall.

[0003] However, the existing water stop structure of the underground continuous wall has some problems in actual work, for example, a water stop structure of an underground continuous wall and a joint thereof disclosed in CN206916753U, which uses a rotary jet pile to stop water behind the wall, but the quality of the rotary jet pile is difficult to guarantee, and the rotary jet pile cannot be effectively overlapped with the continuous wall, and after the continuous wall deforms to a certain extent during the later foundation pit excavation, the continuous wall and the rotary jet pile will be pulled apart, thereby forming a new water seepage channel, and the practicability is poor, the existing water stop structure of the underground continuous wall cannot effectively improve the sealing and water stopping function between the underground continuous walls, and cannot strengthen the connection strength between the underground continuous walls, therefore, we improve it and propose an improved water stop structure of underground continuous wall. UTILITY MODEL CONTENT

[0004] The utility model aims at: in view of the problem that the water stop structure of the underground continuous wall cannot effectively improve the sealing and water stopping function between the underground continuous walls, and cannot strengthen the connection strength between the underground continuous walls.

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

[0006] The improved water stop structure of underground continuous wall is used to improve the above-mentioned problems.

[0007] The application is as follows:

[0008] The utility model provides an underground wall body, sealing plate and protection board, the side end surface of underground wall body is fixed with fixed plate, the first limit slot, second limit slot, third limit slot and first threaded hole are seted up in fixed plate, first limit slot and second limit slot are communicated, third limit slot and first threaded hole are communicated, one side of sealing plate is fixedly connected with first rubber pad and reinforcing rod, the other side of sealing plate is welded with splicing frame, reinforcing rod is welded with reinforcing block on, reinforcing rod limit slidingly connects in first limit slot, reinforcing block limit slidingly connects in second limit slot, splicing frame is slidably connected with plug rod, second threaded hole is seted up in sealing plate, second rubber pad is fixedly connected on protection board, limiting rod is welded on protection board, limiting rod limit slidingly connects in third limit slot, first storage groove and second storage groove are seted up on protection board.

[0009] As the preferred technical scheme of the application, the fixed plates are symmetrically distributed on the left and right sides of the underground wall body, the first limit slots are arranged at the middle parts of the fixed plates, the second limit slots are equidistantly distributed on the two sides of the first limit slots, the third limit slots are symmetrically distributed on the front and back sides of the fixed plates, the third limit slots have a T-shaped cross section, and the length and width of the fixed plates are equal to the width and thickness of the underground wall body, respectively.

[0010] As the preferred technical scheme of the application, the reinforcing rod is fixed at the middle part of one side of the sealing plate, the length and width of the sealing plate are equal to the length and width of the fixed plate, respectively, the reinforcing blocks correspond to the second limit slots one by one, the cross sections of the second limit slots and the reinforcing blocks are both right-angled trapezoids, the first rubber pad is attached to the fixed plate, and the splicing frame is attached to the plug rod.

[0011] As the preferred technical scheme of the application, the second threaded holes are symmetrically distributed on the front and back sides of the sealing plate, and the splicing frame and the plug rod are both made of waterproof material.

[0012] As the preferred technical scheme of the application, the protection board is threadedly connected with a first threaded rod and a second threaded rod, one end of the first threaded rod is arranged in the first storage groove, the other end of the first threaded rod is threadedly connected in the first threaded hole, the first threaded rod is threadedly connected with the limiting rod, one end of the second threaded rod is arranged in the second storage groove, and the other end of the second threaded rod is threadedly connected in the second threaded hole.

[0013] As the preferred technical scheme of the application, the inner diameter of the first storage groove is greater than the end diameter of the first threaded rod, the diameter of the second storage groove is greater than the end diameter of the second threaded rod, and the protection board is symmetrically distributed on the front and back sides of the sealing plate.

[0014] Compared with the prior art, the utility model has the beneficial effects of

[0015] In the scheme of the application,

[0016] 1. Through the cooperation of the reinforcing rod and the reinforcing block, the sealing plate and the fixed plate can be conveniently and stably clamped and spliced, and at the same time, through the mutual splicing of the two sealing plate side end splicing frames and the combination of the insertion rod, the two sealing plates can be conveniently and stably clamped and spliced and reinforced, which can provide more stable connection between the two sealing plates, and through the multiple inflection points of the adjacent splicing frame splicing positions, not only the gap between the two underground wall bodies can be more stably blocked, but also the sealing and water stopping effect can be further improved, and the continuity and firmness of the combination between the two adjacent underground wall bodies can be further improved, and the strength of the underground continuous wall is improved.

[0017] 2. Through the cooperation of the limiting rod and the third limiting slot, the protection plate can be conveniently and stably limited and clamped to the front and rear sides of the underground wall body connection position, and at the same time, under the common action of the first threaded rod and the second threaded rod, the fixed plate, the sealing plate and the protection plate on the underground wall body can be connected and fixed, which can ensure the convenience and accuracy of the water stopping structure splicing and installation work, avoid the misplacement or displacement of the water stopping structure in the splicing and installation process, and affect the stability of the subsequent work state of the water stopping structure, and at the same time, the two protection plates can further improve the sealing and water stopping effect of the underground wall body connection position and the firmness of the underground wall body connection position. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The overall three-dimensional structure schematic diagram of the improved underground continuous wall water stopping structure is provided in the application.

[0019] Figure 2 The sealing plate and splicing frame connection structure schematic diagram of the improved underground continuous wall water stopping structure is provided in the application.

[0020] Figure 3 The overall three-dimensional structure schematic diagram of the improved underground continuous wall water stopping structure is provided in the application. Figure 2 The enlarged structure schematic diagram of the underground continuous wall water stopping structure is provided in the application.

[0021] Figure 4 The overall three-dimensional structure schematic diagram of the improved underground continuous wall water stopping structure is provided in the application.

[0022] Figure 5 The sealing plate and splicing frame connection structure schematic diagram of the improved underground continuous wall water stopping structure is provided in the application.

[0023] As shown in the figure, 1 is the underground wall body, 2 is the fixed plate, 3 is the first limiting groove, 4 is the second limiting groove, 5 is the third limiting groove, 6 is the first threaded hole, 7 is the sealing plate, 8 is the first rubber pad, 9 is the reinforcing rod, 10 is the reinforcing block, 11 is the splicing frame, 12 is the inserting rod, 13 is the second threaded hole, 14 is the protective plate, 15 is the second rubber pad, 16 is the first storage groove, 17 is the first threaded rod, 18 is the limiting rod, 19 is the second storage groove, and 20 is the second threaded rod. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0025] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0027] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product is used, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", etc. are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0029] Embodiment 1

[0030] As Figures 1-5As shown, this embodiment proposes an improved water-stopping structure for a diaphragm wall, including a diaphragm wall body 1, a sealing plate 7, and a protective plate 14. A fixing plate 2 is installed and fixed on the side end face of the diaphragm wall body 1. The fixing plate 2 has a first limiting groove 3, a second limiting groove 4, a third limiting groove 5, and a first threaded hole 6. The first limiting groove 3 is connected to the second limiting groove 4, and the third limiting groove 5 is connected to the first threaded hole 6. A first rubber pad 8 and a reinforcing rod 9 are fixedly connected to one side of the sealing plate 7, and a... A reinforcing block 10 is welded and fixed to the splicing frame 11 and the reinforcing rod 9. The reinforcing rod 9 is slidably connected in the first limiting groove 3, and the reinforcing block 10 is slidably connected in the second limiting groove 4. An insert rod 12 is slidably connected in the splicing frame 11. A second threaded hole 13 is opened in the sealing plate 7. A second rubber pad 15 is fixedly connected to the protective plate 14. A limiting rod 18 is welded and fixed to the protective plate 14. The limiting rod 18 is slidably connected in the third limiting groove 5. A first storage groove 16 and a second storage groove 19 are opened on the protective plate 14.

[0031] Example 2:

[0032] The following section provides a further description of the scheme in Example 1, focusing on its specific working method. See the description below for details:

[0033] like Figures 1-4 As shown, in a preferred embodiment, based on the above method, the fixing plates 2 are symmetrically distributed on the left and right sides of the underground wall body 1, the first limiting groove 3 is opened in the middle part of the fixing plate 2, the second limiting groove 4 is equidistantly distributed on both sides of the first limiting groove 3, and the third limiting groove 5 is symmetrically distributed on the front and rear sides of the fixing plate 2. The cross-section of the third limiting groove 5 is "T" shaped. The length and width of the fixing plate 2 are equal to the width and thickness of the underground wall body 1, which can ensure the stability of the working state of the fixing plate 2 on the underground wall body 1, thereby ensuring the stability and convenience of the subsequent connection, sealing and reinforcement work between the underground wall body 1 and the water-stop structure.

[0034] like Figure 4 and Figure 5As shown, in a preferred embodiment, based on the above method, the reinforcing rod 9 is further fixed to the middle part of one side of the sealing plate 7. Two adjacent sealing plates 7 are centrally symmetrically distributed. The splicing frames 11 on the two adjacent sealing plates 7 are spliced ​​together. The length and width of the sealing plate 7 are equal to the length and width of the fixing plate 2, respectively. The reinforcing block 10 corresponds one-to-one with the second limiting groove 4. The cross-section of the second limiting groove 4 and the cross-section of the reinforcing block 10 are both right-angled trapezoids. The first rubber pad 8 is attached to the fixing plate 2. The splicing frame 11 is attached to the insert rod 12. The second threaded holes 13 are symmetrically distributed on the front and back of the sealing plate 7. Both sides, the splicing frame 11 and the insert rod 12 are made of waterproof material. With the cooperation of the reinforcing rod 9 and the reinforcing block 10, the sealing plate 7 and the fixing plate 2 can be easily and stably spliced ​​together. At the same time, by splicing the two sealing plates 7 side ends of the splicing frame 11 together, combined with the insert rod 12, the two sealing plates 7 can be easily and stably spliced ​​together and reinforced. This can provide a more stable connection between the two sealing plates 7. Furthermore, through the multiple inflection points at the splicing of adjacent splicing frames 11, the gap between the two underground wall bodies 1 can be sealed more stably, and the sealing and water-stopping effect can be further improved.

[0035] like Figure 2 and Figure 5 As shown, in a preferred embodiment, based on the above method, the protective plate 14 is further provided with a first threaded rod 17 and a second threaded rod 20 threadedly connected. One end of the first threaded rod 17 is disposed in the first receiving groove 16, and the other end of the first threaded rod 17 is threadedly connected in the first threaded hole 6. The first threaded rod 17 and the limiting rod 18 are threadedly connected. One end of the second threaded rod 20 is disposed in the second receiving groove 19, and the other end of the second threaded rod 20 is threadedly connected in the second threaded hole 13. The inner diameter of the first receiving groove 16 is larger than the end diameter of the first threaded rod 17, and the diameter of the second receiving groove 19 is larger than that of the first threaded rod 17. At the end diameter of the second threaded rod 20, the protective plate 14 is symmetrically distributed on the front and rear sides of the sealing plate 7. Through the limiting rod 18 and the third limiting groove 5, the protective plate 14 can be conveniently and stably limited and locked to the front and rear sides of the connection of the underground wall body 1. At the same time, under the combined action of the first threaded rod 17 and the second threaded rod 20, the fixing plate 2, the sealing plate 7 and the protective plate 14 on the underground wall body 1 can be connected and fixed to each other, ensuring the convenience and accuracy of the splicing and installation of the water-stop structure, and avoiding misalignment or displacement of the water-stop structure during the splicing and installation process, which would affect the stability of the subsequent working state of the water-stop structure.

[0036] Specifically, the water stop structure of the improved underground continuous wall in use: first, the staff can put one sealing plate 7, and turn the other sealing plate 7 by 180°, so that the two sealing plates 7 are centrally symmetric, at this time the staff can splice the splicing frames 11 on the two sealing plates 7, after the splicing frames 11 on the two sealing plates 7 are spliced, the insertion rod 12 can be inserted into the middle part of the two splicing frames 11, at this time, under the splicing of the two splicing frames 11 and the clamping and limiting action of the insertion rod 12, the two sealing plates 7 can be conveniently and stably clamped and spliced.

[0037] After the two sealing plates 7 are spliced, the reinforcing rod 9 on one sealing plate 7 can be inserted into the first limiting slot 3 on the side end fixed plate 2 of the underground wall body 1, at this time the reinforcing block 10 on the reinforcing rod 9 can be stably inserted into the second limiting slot 4 on the fixed plate 2; then through the same operation, the reinforcing rod 9 on the other sealing plate 7 can be inserted into the first limiting slot 3 on the side end fixed plate 2 of the other underground wall body 1, at this time, by splicing the two sealing plates 7, the two underground wall bodies 1 can be conveniently and stably clamped and connected; at this time, by splicing the two splicing frames 11, the two sealing plates 7 can be stably connected by the insertion rod 12, and by the clamping action of the reinforcing rod 9 and each reinforcing block 10, the connection strength can be further improved, at the same time, by the multiple inflection points at the splicing positions of the adjacent splicing frames 11, not only can the gap between the two underground wall bodies 1 be more stably sealed, but also the sealing effect can be further improved, and the continuity and firmness between the two adjacent underground wall bodies 1 can be further improved, the strength of the underground continuous wall is improved;

[0038] Then the staff can stably clamp the limiting rod 18 on the protective plate 14 into the third limiting slot 5 on the fixed plate 2, after clamping and stabilizing, the staff can rotate the first threaded rod 17 on the protective plate 14, under the threaded rotation of the first threaded rod 17, the first threaded rod 17 can be threaded into the first threaded hole 6 on the fixed plate 2; then through the same operation, the second threaded rod 20 is rotated, at this time, under the threaded rotation of the second threaded rod 20, the second threaded rod 20 can be threaded into the second threaded hole 13 on the sealing plate 7, thereby the clamping and splicing and threaded fixing of the protective plate 14 can be conveniently completed, by the clamping and splicing and threaded fixing of the protective plate 14, the fixed plate 2, the sealing plate 7 and the protective plate 14 on the underground wall body 1 can be connected and fixed, the convenience and accuracy of the water stop structure splicing and installation work are ensured, the misplacement or displacement of the water stop structure during splicing and installation is avoided, the stability of the subsequent working state of the water stop structure is affected, at the same time, by the two protective plates 14, the sealing effect of the connection part of the underground wall body 1 and the firmness of the connection part of the underground wall body 1 can be further improved.

[0039] The above examples are only used to illustrate the technical solutions described in the utility model and do not limit the utility model. Although the utility model has been described in detail with reference to the above-described various embodiments, the utility model is not limited to the above-described specific embodiments, and therefore any modification or equivalent replacement of the utility model; and all technical solutions and improvements without departing from the spirit and scope of the utility model are all included in the scope of the claims of the utility model.

Claims

1. An improved water stop structure of an underground continuous wall comprising an underground wall body (1), a sealing plate (7) and a protection plate (14), characterized in that, The side end face of the underground wall body (1) is fixedly provided with a fixed plate (2), the fixed plate (2) is provided with a first limiting groove (3), a second limiting groove (4), a third limiting groove (5) and a first threaded hole (6), the first limiting groove (3) is communicated with the second limiting groove (4), the third limiting groove (5) is communicated with the first threaded hole (6), one side of the sealing plate (7) is fixedly connected with a first rubber pad (8) and a reinforcing rod (9), the other side of the sealing plate (7) is welded and fixedly connected with a splicing frame (11), the reinforcing rod (9) is welded and fixedly connected with a reinforcing block (10), the reinforcing rod (9) is limitingly and slidably connected in the first limiting groove (3), the reinforcing block (10) is limitingly and slidably connected in the second limiting groove (4), the splicing frame (11) is slidably connected with a plug rod (12), the sealing plate (7) is provided with a second threaded hole (13), the protective plate (14) is fixedly connected with a second rubber pad (15), the protective plate (14) is welded and fixedly connected with a limiting rod (18), the limiting rod (18) is limitingly and slidably connected in the third limiting groove (5), the protective plate (14) is provided with a first storage groove (16) and a second storage groove (19).

2. The improved water stop structure for a diaphragm wall according to claim 1, wherein The fixed plate (2) is symmetrically distributed on the left and right sides of the underground wall body (1), the first limiting groove (3) is arranged at the middle part of the fixed plate (2), the second limiting grooves (4) are equidistantly distributed on the two sides of the first limiting groove (3), the third limiting grooves (5) are symmetrically distributed on the front and back sides of the fixed plate (2), the cross section of the third limiting groove (5) is in the shape of "T", the length and width of the fixed plate (2) are equal to the width and thickness of the underground wall body (1) respectively.

3. The improved water stop structure of a diaphragm wall according to claim 1, wherein The reinforcing rod (9) is fixedly arranged at the middle part of one side of the sealing plate (7), the length and width of the sealing plate (7) are equal to the length and width of the fixed plate (2) respectively, the reinforcing blocks (10) correspond to the second limiting grooves (4) one by one, the cross sections of the second limiting grooves (4) and the reinforcing blocks (10) are all in the shape of right trapezoid, the first rubber pad (8) is attached to the fixed plate (2), the splicing frame (11) is attached to the plug rod (12).

4. The improved water stop structure for diaphragm wall according to claim 1, wherein The second threaded holes (13) are symmetrically distributed on the front and back sides of the sealing plate (7), the splicing frame (11) and the plug rod (12) are both made of waterproof material.

5. The improved water stop structure for diaphragm wall according to claim 1, wherein The protective plate (14) is threadedly connected with a first threaded rod (17) and a second threaded rod (20), one end of the first threaded rod (17) is arranged in the first storage groove (16), the other end of the first threaded rod (17) is threadedly connected in the first threaded hole (6), the first threaded rod (17) is threadedly connected between the limiting rod (18), one end of the second threaded rod (20) is arranged in the second storage groove (19), the other end of the second threaded rod (20) is threadedly connected in the second threaded hole (13).

6. The improved water stop structure of a diaphragm wall according to claim 5, wherein The inner diameter of the first receiving groove (16) is greater than the end diameter of the first threaded rod (17), the diameter of the second receiving groove (19) is greater than the end diameter of the second threaded rod (20), and the protective plates (14) are symmetrically distributed on the front and back sides of the sealing plate (7).

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