Foundation pit waterproof enclosure structure

Abstract

The utility model provides a foundation pit waterproof enclosing structure which comprises a first enclosing plate, a second enclosing plate and a supporting mechanism, the first enclosing plate is vertically and fixedly installed on the periphery of the interior of a foundation pit, the second enclosing plate is fixedly arranged above the first enclosing plate, the supporting mechanism is obliquely arranged, the upper end of the supporting mechanism is fixedly connected with the second enclosing plate, and the lower end of the supporting mechanism is fixedly connected with a foundation pit bottom plate. The supporting mechanism comprises a supporting rod piece, the length and the inclination angle of the supporting rod piece are adjustable, and a water collecting groove is formed in the bottom of the foundation pit. The device is further provided with an inserting mechanism and a fixing assembly which are used for positioning and fixing the first surrounding plate and the second surrounding plate. The first coaming and the second coaming are supported and fixed through the supporting mechanism, the second coaming can be stacked according to the depth of a foundation pit, and the foundation pit supporting device is suitable for foundation pits with different depths and wide in application range. The device is reasonable in design, simple in structure, convenient to mount and dismount and high in practicability.

Description

Technical fields:

[0001] This utility model belongs to the field of building construction technology, specifically relating to a waterproof retaining structure for foundation pits. Background technology:

[0002] Waterproof retaining structures for foundation pits play a crucial role in construction engineering. They not only affect the quality and safety of the project but also directly impact the surrounding environment and buildings. The primary function of a waterproof retaining structure is to ensure the safe and smooth excavation of the foundation pit and the construction of the foundation structure. This includes preventing the collapse of the pit walls, controlling surface settlement, and protecting surrounding buildings and underground pipelines from damage. Waterproof retaining structures can effectively control the groundwater level, preventing groundwater from seeping into the pit and thus avoiding instability and construction difficulties caused by rising water levels. This is particularly important for deep foundation pits, as water level control in deep pits is more complex and challenging.

[0003] Existing technologies typically involve installing retaining panels within the foundation pit for protection. However, for deep foundation pits, this requires a large retaining panel area, making transportation, installation, and dismantling difficult, and also resulting in poor stability. Furthermore, due to varying pit depths, traditional retaining panel structures are unsuitable for pits of different depths, leading to high material and labor costs and impacting construction efficiency. Therefore, this invention provides a waterproof retaining structure for foundation pits to address these issues. Summary of the Invention:

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by providing a waterproof enclosure structure for foundation pits.

[0005] The present invention adopts the following technical solution:

[0006] This utility model provides a waterproof enclosure structure for a foundation pit, including a first enclosure panel, a second enclosure panel, and a support mechanism; the first enclosure panel is vertically and fixedly installed around the inside of the foundation pit and is fixedly connected to the side wall of the foundation pit; at least one set of the second enclosure panel is provided and fixedly installed above the first enclosure panel; the first enclosure panel and the second enclosure panel together form a waterproof enclosure structure; the support mechanism includes support rods, which are inclined and have their upper ends fixedly connected to the first enclosure panel / second enclosure panel and their lower ends fixedly connected to the bottom plate of the foundation pit.

[0007] Furthermore, the support rod includes a telescopic rod, a first slider, and a second slider. The first slider is movably mounted on the lower end of the telescopic rod via a first hinge seat, and the second slider is movably mounted on the upper end of the telescopic rod via a second hinge seat. The surfaces of the first and second enclosures are provided with sliding grooves, which are vertically distributed. The surface of the pit bottom plate is provided with sliding rails, which are horizontally distributed. The first slider is slidably connected to the sliding rails, and the second slider is slidably connected to the sliding grooves.

[0008] Furthermore, the telescopic rod includes a connecting rod, a first sleeve, and a second sleeve; the first sleeve and the second sleeve are respectively sleeved on both ends of the connecting rod, the end of the first sleeve is rotatably connected to the second hinge seat, and the end of the second sleeve is rotatably connected to the first hinge seat; the first sleeve and the second sleeve can move and be fixed relative to the connecting rod to realize the length adjustment of the telescopic rod.

[0009] Furthermore, the first slider is provided with a through hole, and a screw is movably installed in the through hole. A first fixing plate is provided on the pit bottom plate, and the first fixing plate is provided with a plurality of threaded holes, which are distributed on one or both sides of the slide rail. When the first slider moves to a designated position, the through hole of the first slider corresponds to the threaded hole at the corresponding position. The second slider is provided with a through hole, and a screw is movably installed in the through hole. A plurality of threaded holes are opened on the surface of the first and second surrounding plates, which are distributed on one or both sides of the slide rail. When the second slider moves to a designated position, the through hole of the second slider corresponds to the threaded hole at the corresponding position.

[0010] Furthermore, a water collection trough is also provided. The water collection trough is located at the bottom of the foundation pit and is in close contact with the first enclosure plate. When the liquid flows into the foundation pit along with the first enclosure plate and the second enclosure plate, the liquid is collected.

[0011] Furthermore, the lower surface of the second enclosure is provided with a plug rod, and the upper surface of the first enclosure is provided with a plug hole that matches the position and size of the plug rod. The plug rod is detachably installed in the plug hole.

[0012] Furthermore, a fixing component is also provided, which includes a rotating shaft, a fastener, and a locking block; the fastener includes a stud and a nut, the stud is welded to the outer wall of the first enclosure, and the nut is movably mounted on the stud; the rotating shaft is welded to the outer wall of the second enclosure, one end of the locking block is rotatably connected to the second enclosure via the rotating shaft, and the other end has a through groove not less than the diameter of the stud, with one side of the through groove open, so that when the locking block is rotated to a vertical position, the stud is located in the through groove.

[0013] Furthermore, the inner wall of the slot of the card block is provided with a texture that matches the external thread of the rotating shaft.

[0014] Furthermore, the inclination angle of the support rod is 45°.

[0015] The beneficial effects of this utility model are:

[0016] (1) This utility model uses diagonal bracing to support the vertical plates around the inside of the foundation pit, thereby providing stability to the overall foundation pit. In addition, a water collection trough is provided on the vertical plate to prevent liquid above the foundation pit from flowing directly into the inside of the foundation pit through the vertical plate.

[0017] (2) This utility model can stack vertical plates according to the depth of the foundation pit to provide a stable effect. It is applicable to foundation pits of different depths, has a wide range of applications, and is easy to install and disassemble.

[0018] (3) By setting up a support mechanism, this utility model can adjust the position inside the slide rail and slide groove, so that when the first and second enclosure plates are stacked, the angle of the connecting rod is changed to keep the angle of the connecting rod at 45°, thereby providing stable support for the stacked second enclosure plate. If it is necessary to continue stacking plates on the second enclosure plate, the 45° angle of the connecting rod can always be maintained by adjusting the position, so as to provide effective support. The connecting rod can be changed to different lengths according to the actual conditions of the foundation pit.

[0019] (4) This utility model has a reasonable design, simple structure, convenient installation and disassembly, and strong practicality. Attached image description:

[0020] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0021] Figure 2 This is a schematic diagram of the unfolded structure of the first and second enclosure panels according to an embodiment of the present utility model;

[0022] Figure 3 This is a cross-sectional structural diagram of an embodiment of the present utility model;

[0023] Figure 4 for Figure 3 Enlarged view of part A in the middle;

[0024] The labels in the attached diagram are:

[0025] 1. First enclosure plate; 2. Second enclosure plate; 3. Water collection tank; 4. Support mechanism; 401. Slide rail; 402. First slider; 403. Slide groove; 404. Second slider; 405. First sleeve; 406. Second sleeve; 407. Connecting rod; 408. Rotating shaft; 409. Fastener; 410. Locking block; 5. Insertion rod; 6. Insertion hole. Detailed implementation method:

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] Example 1

[0028] See Figures 1-4 This utility model provides a waterproof enclosure structure for a foundation pit, including a first enclosure plate 1, a second enclosure plate 2, and a support mechanism 4. The first enclosure plate 1 is vertically fixedly installed around the inside of the foundation pit and is fixedly connected to the side wall of the foundation pit, which can temporarily reinforce the inner wall of the foundation pit. At least one set of the second enclosure plate 2 is provided and fixedly installed above the first enclosure plate 1. Multiple sets of the second enclosure plate 2 can be stacked on the first enclosure plate 1 according to the depth of the foundation pit, thereby achieving a reinforcement effect. The first enclosure plate 1 and the second enclosure plate 2 together form a waterproof enclosure structure.

[0029] See Figure 1 A water collection trough 3 is provided at the bottom of the foundation pit, and the water collection trough 3 is welded to the outer wall of the first enclosure 1 and fits together with the first enclosure 1. When the liquid flows into the foundation pit along with the first enclosure and the second enclosure, the liquid is collected.

[0030] The support mechanism 4 includes support rods, which are inclined at an angle of 45°. The upper end of the support rod is fixedly connected to the first enclosure 1 / second enclosure 2, and the lower end is fixedly connected to the bottom plate of the foundation pit. The length of the support rods is adjustable, enabling stable support for the first enclosure 1 and the second enclosure 2 according to different depths of the foundation pit.

[0031] Example 2

[0032] The main structure of this embodiment is the same as that of embodiment 1, except that this embodiment specifies the specific structure of the support rod.

[0033] Reference Figures 1-3 In this embodiment, the supporting rod includes a telescopic rod, a first slider 402, and a second slider 404. The first slider 402 is movably mounted on the lower end of the telescopic rod via a first hinge seat, and the second slider 404 is movably mounted on the upper end of the telescopic rod via a second hinge seat. The surfaces of the first enclosure 1 and the second enclosure 2 are provided with vertically distributed sliding grooves 403. The surface of the pit bottom plate is bolted with horizontally distributed slide rails 401. The first slider 402 is slidably connected to the slide rails 401, and the second slider 404 is slidably connected to the sliding grooves 403. The first slider 402 can achieve stable horizontal movement via the slide rails 401, and the second slider 404 can achieve stable vertical movement via the sliding grooves 403.

[0034] In this embodiment, the telescopic rod includes a connecting rod 407, a first sleeve 405, and a second sleeve 406. The first sleeve 405 and the second sleeve 406 are respectively sleeved at both ends of the connecting rod 407. The end of the first sleeve 405 is rotatably connected to a second hinge seat, and the end of the second sleeve 406 is rotatably connected to a first hinge seat. The first sleeve 405 and the second sleeve 406 are threadedly connected to the connecting rod 407. When the first sleeve 405 and the second sleeve 406 are rotated, they can move and be fixed relative to the connecting rod 407, thus achieving length adjustment of the telescopic rod.

[0035] Example 3

[0036] The main structure of this embodiment is the same as that of embodiment 2, except that this embodiment defines the fixing method of the first slider 402 and the second slider 404.

[0037] Reference Figure 3 In this embodiment, the first slider 402 is provided with a through hole, and a bolt is movably disposed in the through hole. The foundation pit bottom plate is provided with a first fixing plate, and the first fixing plate is provided with a plurality of threaded holes, which are distributed on one or both sides of the slide rail 401. When the first slider 402 moves to a designated position, the through hole of the first slider 402 corresponds to the threaded hole at the corresponding position, and the first slider 402 and the slide rail 401 can be quickly fixed by bolts.

[0038] The second slider 404 is provided with a through hole, and a bolt is movably installed in the through hole. The first enclosure plate 1 and the second enclosure plate 2 are provided with a number of threaded holes, and the threaded holes are distributed on one or both sides of the slide groove 403. When the second slider 404 moves to the designated position, the through hole of the second slider 404 corresponds to the threaded hole at the corresponding position, and the second slider 404 and the slide groove 403 can be quickly fixed by bolts.

[0039] In application, the first enclosure 1 is placed vertically around the inner wall of the pit. By observing the depth of the pit, it is determined whether the second enclosure 2 needs to be stacked on the first enclosure 1. The first slider 402 inside the sliding rail 401 is moved to the designated position and then fixed with bolts. The second slider 404 inside the sliding groove 403 is moved to the designated position and then fixed with bolts. At this time, the first sleeve 405 and the second sleeve 406 are connected by a shaft, thereby changing the angle on the first slider 402 and the second slider 404, so that the connecting rod 407 maintains a 45° angle, thereby achieving a stable support effect.

[0040] Example 4

[0041] The main structure of this embodiment is the same as that of embodiment 3, except that:

[0042] See Figure 2 In this embodiment, the lower surface of the second enclosure 2 is provided with a connecting rod 5, and the upper surface of the first enclosure 1 is provided with a connecting hole 6 that matches the position and size of the connecting rod 5. The connecting rod 5 is detachably disposed in the connecting hole 6. By inserting the connecting rod 5 into the connecting hole 6, the positioning connection between the first enclosure 1 and the second enclosure 2 is achieved.

[0043] Example 5

[0044] The main structure of this embodiment is the same as that of embodiment 4, except that this embodiment also includes a fixing component for fixing the first enclosure 1 and the second enclosure 2.

[0045] Reference Figures 3-4 In this embodiment, the fixing assembly includes a rotating shaft 408, a fastener 409, and a locking block 410. The fastener 409 includes a stud and a nut. The stud is welded to the outer wall of the first enclosure 1, and the nut is movably mounted on the stud. The rotating shaft 408 is welded to the outer wall of the second enclosure 2. One end of the locking block 410 is rotatably connected to the second enclosure 2 via the rotating shaft 408, and the other end has a through groove with a diameter not less than that of the stud, with one side of the through groove open. When the locking block 410 is rotated to a vertical position, the stud engages in the through groove, and the first enclosure 1 and the second enclosure 2 can be fixed by tightening the nut. In addition, the inner wall of the through groove of the locking block 410 is provided with a texture that matches the external thread of the rotating shaft 408, which can achieve a stable connection between the rotating shaft 408 and the locking block 410.

[0046] When the second enclosure 2 needs to be stacked on the first enclosure 1, the plug rod 5 at the bottom of the second enclosure 2 is inserted into the plug hole 6 of the first enclosure 1. Then, by rotating the locking block 410 on the rotating shaft 408, the groove on the locking block 410 moves to the outer wall of the fastener 409. By tightening the fastener 409, the stability of the connection between the first enclosure 1 and the second enclosure 2 is improved.

[0047] Application process of this utility model:

[0048] First, place the first enclosure 1 vertically around the inner wall of the pit. By observing the depth of the pit, determine whether the second enclosure 2 needs to be stacked on top of the first enclosure 1.

[0049] Secondly, when it is necessary to stack the second enclosure 2 on the first enclosure 1, the plug rod 5 at the bottom of the second enclosure 2 is inserted into the plug hole 6 of the first enclosure 1. Then, by rotating the locking block 410 on the rotating shaft 408, the groove on the locking block 410 is moved to the outer wall of the fastener 409. By tightening the fastener 409, the first enclosure 1 and the second enclosure 2 are stably connected.

[0050] Finally, the first slider 402 inside the sliding rail 401 is moved to the designated position and then fixed with bolts. The second slider 404 inside the sliding groove 403 is moved to the designated position and then fixed with bolts. At this time, the first sleeve 405 and the second sleeve 406 are connected by a shaft, thereby changing the angle on the first slider 402 and the second slider 404, so that the connecting rod 407 maintains a 45° angle and provides a stable support effect. The water collection tank 3 can collect the liquid left on the surface of the first enclosure 1 and the second enclosure 2.

[0051] The above are merely preferred embodiments of this utility model. The scope of protection of this utility model is not limited to the above embodiments. All technical solutions within the scope of this utility model are within the scope of protection of this utility model. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should be considered within the scope of protection of this utility model.

Claims

1. A waterproof retaining structure for foundation pit, characterized in that, it comprises a first coaming (1), a second coaming (2) and a supporting mechanism (4); the first coaming (1) is vertically fixedly installed around the inside of the foundation pit and fixedly connected with the side wall of the foundation pit; the second coaming (2) is provided in at least one group and fixedly arranged above the first coaming (1); the first coaming (1) and the second coaming (2) jointly form a waterproof retaining structure; the supporting mechanism (4) comprises a supporting rod, which is arranged obliquely, with the upper end fixedly connected with the first coaming (1) / the second coaming (2) and the lower end fixedly connected with the bottom plate of the foundation pit.

2. The waterproof retaining structure for foundation pit according to claim 1, characterized in that, the supporting rod comprises a telescopic rod, a first sliding block (402) and a second sliding block (404), the first sliding block (402) is movably installed at the lower end of the telescopic rod through a first hinged seat, and the second sliding block (404) is movably installed at the upper end of the telescopic rod through a second hinged seat; the first coaming (1) and the second coaming (2) are provided with sliding grooves (403) on the surfaces, and the sliding grooves (403) are vertically distributed; the bottom plate of the foundation pit is provided with sliding rails (401) on the surface, and the sliding rails (401) are horizontally distributed; the first sliding block (402) is in sliding connection with the sliding rails (401), and the second sliding block (404) is in sliding connection with the sliding grooves (403).

3. The waterproof retaining structure for foundation pit according to claim 2, characterized in that, the telescopic rod comprises a connecting rod (407), a first sleeve (405) and a second sleeve (406); the first sleeve (405) and the second sleeve (406) are respectively sleeved on the two ends of the connecting rod (407), the end of the first sleeve (405) is in rotary connection with the second hinged seat, and the end of the second sleeve (406) is in rotary connection with the first hinged seat; the first sleeve (405) and the second sleeve (406) can move and be fixed relative to the connecting rod (407), so as to realize length adjustment of the telescopic rod.

4. The waterproof retaining structure for foundation pit according to claim 2, characterized in that, a through hole is arranged on the first sliding block (402), a screw rod is movably arranged in the through hole, a first fixing plate is arranged on the bottom plate of the foundation pit, a plurality of threaded holes are arranged on the first fixing plate and distributed on one side or both sides of the sliding rails (401), and the through hole of the first sliding block (402) corresponds to the threaded hole at the corresponding position when the first sliding block (402) moves to the specified position; a through hole is arranged on the second sliding block (404), a screw rod is movably arranged in the through hole, a plurality of threaded holes are arranged on the surfaces of the first coaming (1) and the second coaming (2) and distributed on one side or both sides of the sliding grooves (403), and the through hole of the second sliding block (404) corresponds to the threaded hole at the corresponding position when the second sliding block (404) moves to the specified position.

5. The waterproof retaining structure for foundation pit according to claim 1, characterized in that, a water collecting tank (3) is further arranged, which is arranged at the bottom of the foundation pit and in close contact with the first coaming (1).

6. The waterproof retaining structure for foundation pit according to claim 1, characterized in that, the lower surface of the second retaining plate (2) is provided with a plug-in rod (5), the upper surface of the first retaining plate (1) is provided with a plug-in hole (6) which is matched with the plug-in rod (5) in position and size, and the plug-in rod (5) is detachably arranged in the plug-in hole (6).

7. The waterproof retaining structure for foundation pit according to claim 1, characterized in that, a fixing assembly is further arranged, the fixing assembly comprising a rotating shaft (408), a fastener (409) and a clamping block (410); the fastener (409) comprises a stud and a nut, the stud is welded on the outer wall of the first retaining plate (1), and the nut is movably arranged on the stud; the rotating shaft (408) is welded on the outer wall of the second retaining plate (2), one end of the clamping block (410) is rotatably connected with the second retaining plate (2) through the rotating shaft (408), the other end of the clamping block (410) is provided with a through slot which is not less than the diameter of the stud, and one side of the through slot is open, and when the clamping block (410) is rotated to the vertical state, the stud is located in the through slot.

8. The waterproof retaining structure for foundation pit according to claim 7, characterized in that, the inner wall of the through slot of the clamping block (410) is provided with a pattern which is matched with the outer thread of the rotating shaft (408).

9. The waterproof retaining structure for foundation pit according to claim 1, characterized in that, the inclination angle of the support rod is 45°.

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