Foundation supporting construction structure of deep foundation pit

Abstract

The utility model relates to a deep foundation pit foundation supporting construction structure, and belongs to the technical field of deep foundation pits, the deep foundation pit foundation supporting construction structure comprises a pit body, a supporting plate is inserted into the inner side of the pit body, a baffle is fixed to the top of the pit body, the space between the right side of the pit body and the baffle is filled with filling soil, a locking plate is fixed to the top of the supporting plate, and an anchor plate is fixed to the bottom of the locking plate; a stabilizing assembly is arranged on the baffle, a protection assembly is arranged at the bottom of the supporting plate, a pressing plate is fixed to the top of the pit body, a cooling mechanism is arranged at the top of the pressing plate, and a locking assembly is arranged at the top of the pressing plate. According to the foundation supporting construction structure of the deep foundation pit, by arranging the cooling mechanism, the stability of the pit body is facilitated, so that the use effect of the structure is improved, by arranging the stabilizing assembly, the supporting plate is prevented from sinking, the stability of the structure is improved, by arranging the protection assembly, the baffle is prevented from shifting, and the stability effect of the structure is further improved; the whole structure is stable in use and good in use effect.

Description

Technical Field

[0001] This utility model relates to the field of deep foundation pit technology, specifically to a deep foundation pit foundation support construction structure. Background Technology

[0002] Foundation pits refer to earthwork excavation, support, and dewatering projects for foundation pits with an excavation depth exceeding 5 meters. The importance of construction safety technology for deep foundation pits is becoming increasingly prominent, especially the requirements for deep foundation pit support technology are becoming more stringent. Among these, slope stability of the foundation pit is a very important aspect of protection, thus requiring the use of support structures.

[0003] For example, Chinese patent (publication number: CN218437110U) discloses a construction structure for deep foundation pit support of super high-rise buildings, including a foundation pit body. The pit body is filled with backfill soil at the pit wall. The top of the foundation pit body is anchored with a horizontal plate, and the bottom of the foundation pit body is anchored with a vertical support plate for supporting the backfill soil. The side of the vertical support plate closest to the backfill soil is connected to a retaining plate through a support and filling mechanism. A liquid nitrogen freezing soil mechanism and an anchoring support mechanism symmetrically arranged before and after the liquid nitrogen freezing soil mechanism are also fixedly installed on the horizontal plate. An emergency triggering mechanism is provided between the upper end of the vertical support plate and the upper end of the pit wall. This utility model can perform timely self-triggered emergency treatment after the foundation pit is damaged by surface water erosion, providing stable emergency protection performance for the pit wall.

[0004] This patent achieves emergency protection for the pit wall through the liquid nitrogen freezing soil mechanism. However, during long-term use, the support structure will slowly sink, resulting in a reduction in the support effect. Therefore, a deep pit foundation support construction structure is proposed to solve the above-mentioned problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a deep foundation pit foundation support construction structure, which has the advantage of good performance and solves the problem of poor performance.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a deep foundation pit foundation support construction structure, comprising a pit body, a support plate inserted into the inner side of the pit body, a baffle fixed to the top of the pit body, backfill between the right side of the pit body and the baffle, a locking plate fixed to the top of the support plate, an anchor plate inserted into the top of the pit body fixed to the bottom of the locking plate, a stabilizing component between the right side of the baffle and the support plate, a protective component at the bottom of the support plate, a pressure plate fixed to the top of the pit body, a cooling mechanism inserted into the pit body at the top of the pressure plate, and a locking component at the top of the pressure plate;

[0007] The cooling mechanism includes a tube, a cooling box, and a conduit. The cooling box is fixed to the top of the pressure plate, the conduit is fixed to the front of the cooling box, the tube passes through the locking plate and is inserted into the pit, the conduit extends into the inner cavity of the tube, and a position detector is fixed to the top of the cooling box.

[0008] By adopting this technical solution, the stability of the structure can be improved through the setting of stabilizing and protective components, and emergency protection of the structure can be achieved through the setting of cooling mechanism, which is conducive to improving the performance of use.

[0009] Furthermore, the stabilizing component includes a fixed block, a sliding sleeve, a fixed column, a connecting rod, an actuating block, a top support block, and a top support spring. The fixed block is fixed to the left side of the support plate, the sliding sleeve is slidably connected to the outer side of the fixed block, the fixed column is fixed to the inner side of the sliding sleeve, the connecting rod is slidably connected to the inner side of the fixed column, the actuating block is fixed to the side of the connecting rod away from the fixed column, the top support block is fixed to the inner side of the fixed block, and the top support spring is fixed between the right side of the fixed column and the inner wall of the right side of the fixed block.

[0010] By adopting this technical solution, the support plate can counteract the offset force when the baffle shifts, which helps protect the baffle and improves the stability of the structure.

[0011] Furthermore, a sliding channel is provided on the inner side of the fixed column, and the connecting rod is slidably connected to the fixed column through the sliding channel.

[0012] By adopting this technical solution, the connecting rod can slide stably, which will improve the stability of use.

[0013] Furthermore, the protective assembly includes a housing, an extrusion plate, an extrusion block, two rotating columns, a drive plate, a driven plate, a limiting block, an extension plate, and a driven block. The housing is fixed to the bottom of the support plate. The two rotating columns are rotatably connected to the outer walls of the left and right sides of the housing, respectively. The two drive plates are fixed to the opposite side of the two rotating columns. The two driven plates are fixed to the opposite side of the two rotating columns. The extrusion plate is hinged to the bottom of the driven plate. The extrusion block is fixed to the bottom of the extrusion plate. The limiting block is slidably connected to the inner side of the housing. The extension plate is fixed to the bottom of the limiting block. The driven block is fixed to the top of the limiting block.

[0014] By adopting this technical solution, it is beneficial to protect the support plate. When the support plate sinks, the extension plate will unfold, thereby dispersing the stress points of the support plate, which helps to slow down the sinking of the support plate and is conducive to the stable use of the structure.

[0015] Furthermore, a moving channel is provided on the inner side of the outer shell, and the limiting block is slidably connected to the outer shell through the moving channel.

[0016] By adopting this technical solution, the sliding of the limit block is facilitated, which in turn contributes to the stable use of the overall structure.

[0017] Furthermore, the extrusion block has a frustum structure, and the opposite sides of the two driven blocks are adapted to the extrusion block.

[0018] By adopting this technical solution, it is beneficial to use the displacement of the extrusion block to squeeze and resist the driven block, thereby realizing the unfolding of the extension plate and facilitating the stable use of the component.

[0019] Furthermore, the locking assembly includes a connecting block, a connecting block, a hinge block, a top support plate, and a limiting post. The connecting block is fixed to the top of the pressure plate, the connecting block is fixed to the top of the connecting block, the hinge block is rotatably connected to the inner side of the connecting block, the top support plate is fixed to the top of the hinge block, the top support plate is abutted to the top of the connecting block, and the limiting post is fixed to the left side of the baffle.

[0020] By adopting this technical solution, the baffle can be protected, thus preventing it from shifting, ensuring the stable use of the structure, and improving its stability.

[0021] Furthermore, a hook block is fixed at the bottom of the hinge block, and an active channel for the limiting post to slide is opened on the right side of the connecting block, and the hook block is adapted to the limiting post.

[0022] By adopting this technical solution, it is easier to place the limiting post. The limiting post is limited by the hook block, thereby achieving protection of the baffle.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] This deep foundation pit support structure, through the installation of a cooling mechanism, facilitates emergency protection when the pit sinks rapidly, thus contributing to the stability of the pit and improving the structure's performance. The stabilizing components help prevent the support plate from sinking, enhancing structural stability, while the protective components help prevent baffle plate displacement, further improving the structure's stability. Overall, the structure demonstrates good stability and performance. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is a three-dimensional structural diagram of the stabilizing component of this utility model;

[0027] Figure 3 This is a schematic diagram of the protective component structure of this utility model;

[0028] Figure 4 This is a schematic diagram of the locking component of this utility model.

[0029] In the diagram: 1. Pit body; 2. Support plate; 3. Locking plate; 4. Anchor plate; 5. Stabilizing component; 501. Fixing block; 502. Sliding sleeve; 503. Fixing column; 504. Connecting rod; 505. Action block; 506. Top support block; 507. Top support spring; 6. Baffle; 7. Backfill; 8. Protective component; 801. Outer shell; 802. Rotating column; 803. Drive plate; 804. Driven plate; 805. Extrusion plate; 806. Extrusion block; 807. Limiting block; 808. Extension plate; 809. Driven block; 9. Insert cylinder; 10. Pressure plate; 11. Cooling box; 12. Conduit; 13. Locking component; 1301. Connecting block; 1302. Connecting block; 1303. Hinge block; 1304. Top support plate; 1305. Limiting column. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figure 1 The deep foundation pit foundation support construction structure in this embodiment includes a pit body 1, a support plate 2 inserted into the inner side of the pit body 1, a baffle 6 fixed to the top of the pit body 1, backfill soil 7 filling the space between the right side of the pit body 1 and the baffle 6, a locking plate 3 fixed to the top of the support plate 2, and an anchor plate 4 inserted into the top of the pit body 1 fixed to the bottom of the locking plate 3.

[0032] It is understandable that the anchor plate 4 helps to lock the overall structure to the pit body 1, which helps to improve the stability of the structure and the performance of the structure.

[0033] A stabilizing component 5 is provided between the right side of the baffle 6 and the support plate 2. A protective component 8 is provided at the bottom of the support plate 2. A pressure plate 10 is fixed at the top of the pit body 1. A cooling mechanism that is inserted into the pit body 1 is provided at the top of the pressure plate 10. A locking component 13 is provided at the top of the pressure plate 10.

[0034] The protective component 8 helps prevent the support plate 2 from sinking, thereby improving the stability of the structure and its usability. The cooling mechanism helps protect the pit 1 from rapid sinking, realizing the emergency function of the structure and improving its usability. The locking component 13 and the stabilizing component 5 help protect the baffle 6, preventing it from shifting and improving its usability.

[0035] The cooling mechanism includes a tube 9, a cooling box 11, and a conduit 12. The cooling box 11 is fixed to the top of the pressure plate 10, and the conduit 12 is fixed to the front of the cooling box 11. The tube 9 passes through the locking plate 3 and is inserted into the pit body 1. The conduit 12 extends into the inner cavity of the tube 9. A position detector is fixed to the top of the cooling box 11.

[0036] It should be noted that the location detector facilitates the monitoring of the position of the cooling box 11, which in turn facilitates the implementation of a rapid protection function when the cooling box 11 sinks rapidly, facilitates the freezing of the pit 1, facilitates the stable use of the structure, and improves the stability of the structure.

[0037] Please see Figure 2 To improve stability, the stabilizing component 5 in this embodiment includes a fixed block 501, a sliding sleeve 502, a fixed column 503, a connecting rod 504, an action block 505, a top support block 506, and a top support spring 507. The fixed block 501 is fixed to the left side of the support plate 2, the sliding sleeve 502 is slidably connected to the outer side of the fixed block 501, the fixed column 503 is fixed to the inner side of the sliding sleeve 502, the connecting rod 504 is slidably connected to the inner side of the fixed column 503, and a sliding channel is provided on the inner side of the fixed column 503.

[0038] It is also understandable that the sliding channel facilitates the stable sliding of the connecting rod 504, thereby contributing to the stable use of the overall component, the realization of the protective function, and the improvement of the structural stability.

[0039] The connecting rod 504 is slidably connected to the fixed column 503 through the sliding channel. The actuating block 505 is fixed to the side of the connecting rod 504 away from the fixed column 503. The top support block 506 is fixed to the inner side of the fixed block 501. The top support spring 507 is fixed between the right side of the fixed column 503 and the inner wall of the right side of the fixed block 501.

[0040] In this embodiment, the offset of the baffle 6 causes the connecting rod 504 to move vertically, thereby contacting the top support block 506 and causing the fixing block 501 to move to the left. This reduces the offset force on the baffle 6 to move to the right, which is beneficial to improving the stability and the performance of the structure.

[0041] Please see Figure 3 For stable use of the structure, the protective component 8 in this embodiment includes a housing 801, an extrusion plate 805, an extrusion block 806, two rotating columns 802, a drive plate 803, a driven plate 804, a limiting block 807, an extension plate 808, and a driven block 809. The housing 801 is fixed to the bottom of the support plate 2. The two rotating columns 802 are rotatably connected to the outer walls on the left and right sides of the housing 801, respectively. The two drive plates 803 are fixed to the opposite side of the two rotating columns 802. The two driven plates 804 are fixed to the opposite side of the two rotating columns 802. The extrusion plate 805 is hinged to the bottom of the driven plate 804.

[0042] It can be seen that the hinged design facilitates the deflection of the drive plate 803 to press down the extrusion plate 805, thereby pressing down the extrusion block 806, which in turn drives the two extension plates 808 to move to both sides and unfold. This helps to protect the bottom of the support plate 2 and improves the stability of use.

[0043] The extrusion block 806 is fixed to the bottom of the extrusion plate 805, the limiting block 807 is slidably connected to the inner side of the outer shell 801, the inner side of the outer shell 801 is provided with a moving channel, the limiting block 807 is slidably connected to the outer shell 801 through the moving channel, the extension plate 808 is fixed to the bottom of the limiting block 807, the driven block 809 is fixed to the top of the limiting block 807, the extrusion block 806 is a frustum structure, and the opposite sides of the two driven blocks 809 are adapted to the extrusion block 806.

[0044] In this embodiment, the setting of the moving channel facilitates the stable sliding of the extension plate 808, improves the overall stability of the component, and thus enhances the overall structural stability.

[0045] Please see Figure 4 In order to protect the backfill 7, the locking component 13 in this embodiment includes a connecting block 1301, a connecting block 1302, a hinge block 1303, a top support plate 1304, and a limiting post 1305. The connecting block 1301 is fixed to the top of the pressure plate 10, the connecting block 1302 is fixed to the top of the connecting block 1301, the hinge block 1303 is rotatably connected to the inner side of the connecting block 1302, and the top support plate 1304 is fixed to the top of the hinge block 1303.

[0046] The limiting effect of the top support plate 1304 helps to limit the hinge block 1303, which is conducive to the stable use of the component and the improvement of structural stability.

[0047] The top support plate 1304 is attached to the top of the connecting block 1302. The bottom of the hinge block 1303 is fixed with a hook block. The right side of the connecting block 1302 is provided with an active channel for the sliding of the limiting post 1305. The hook block is adapted to the limiting post 1305. The limiting post 1305 is fixed to the left side of the baffle 6.

[0048] In this embodiment, the setting of the active channel facilitates the stable sliding of the limiting post 1305, thereby improving the stability of the component. The limiting effect of the hook block on the limiting post 1305 helps to limit the baffle 6, which in turn improves the stability of the structure.

[0049] All electrical components mentioned in this article are electrically connected to the controller and power supply. The control method of this utility model is controlled by the controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.

[0050] The working principle of the above embodiments is as follows:

[0051] Anchor plate 4 and support plate 2 are inserted into pit 1. Then, insert cylinder 9 is inserted into locking plate 3 and extends into pit 1. Insert conduit 12 into insert cylinder 9 to bury conduit 12 into pit 1. The sinking of cooling box 11 is monitored by setting position detector. When rapid sinking occurs, liquid nitrogen is released through cooling box 11 to slow down the sinking speed, which is beneficial for emergency protection of the structure. When backfill 7 shifts to the right, it drives fixed column 503 to shift to the right. The vertical change of connecting rod 504 is realized by setting sliding channel, thereby abutting the action block 505 and the top support block 506. The contact mechanism allows the fixed block 501 to move to the left, thereby relieving the force on the rightward movement of the baffle 6, which is beneficial to the stable use of the structure. When the support plate 2 sinks, the drive plate 803 will lift upward, thereby causing the extrusion plate 805 to press downward through the hinge action. Through the contact action, the extension plate 808 will unfold to both sides along the moving channel, thereby dispersing the force points at the bottom of the support plate 2 and helping to slow down the descent of the support plate 2. At the same time, through the locking action of the limiting post 1305 and the hinge block 1303, the baffle 6 is limited to prevent the baffle 6 from shifting to the right, which helps to improve the stability of the structure. The overall structure is stable in use and has a good performance.

Claims

1. A deep foundation pit foundation support construction structure, comprising a pit body (1), characterized in that: A support plate (2) is inserted into the inner side of the pit (1), a baffle (6) is fixed to the top of the pit (1), backfill (7) is filled between the right side of the pit (1) and the baffle (6), a locking plate (3) is fixed to the top of the support plate (2), an anchor plate (4) is fixed to the bottom of the locking plate (3) and inserted into the top of the pit (1), a stabilizing component (5) is provided between the right side of the baffle (6) and the support plate (2), a protective component (8) is provided at the bottom of the support plate (2), a pressure plate (10) is fixed to the top of the pit (1), a cooling mechanism is provided to the top of the pressure plate (10) and inserted into the pit (1), and a locking component (13) is provided at the top of the pressure plate (10). The cooling mechanism includes a tube (9), a cooling box (11) and a conduit (12). The cooling box (11) is fixed to the top of the pressure plate (10), and the conduit (12) is fixed to the front of the cooling box (11). The tube (9) passes through the locking plate (3) and is inserted into the pit (1). The conduit (12) extends into the inner cavity of the tube (9). A position detector is fixed to the top of the cooling box (11).

2. The deep foundation pit foundation support construction structure according to claim 1, characterized in that: The stabilizing component (5) includes a fixed block (501), a sliding sleeve (502), a fixed column (503), a connecting rod (504), an action block (505), a top support block (506), and a top support spring (507). The fixed block (501) is fixed to the left side of the support plate (2). The sliding sleeve (502) is slidably connected to the outside of the fixed block (501). The fixed column (503) is fixed to the inside of the sliding sleeve (502). The connecting rod (504) is slidably connected to the inside of the fixed column (503). The action block (505) is fixed to the side of the connecting rod (504) away from the fixed column (503). The top support block (506) is fixed to the inside of the fixed block (501). The top support spring (507) is fixed between the right side of the fixed column (503) and the inner wall of the right side of the fixed block (501).

3. The deep foundation pit foundation support construction structure according to claim 2, characterized in that: The inner side of the fixed column (503) is provided with a sliding channel, and the connecting rod (504) is slidably connected to the fixed column (503) through the sliding channel.

4. The deep foundation pit foundation support construction structure according to claim 1, characterized in that: The protective assembly (8) includes a housing (801), an extrusion plate (805), an extrusion block (806), two rotating columns (802), a drive plate (803), a driven plate (804), a limiting block (807), an extension plate (808), and a driven block (809). The housing (801) is fixed to the bottom of the support plate (2). The two rotating columns (802) are rotatably connected to the outer walls of the left and right sides of the housing (801), respectively. The two drive plates (803) are connected to the two rotating columns (809). 802) The opposite side is fixed, the two driven plates (804) are fixed on the opposite side of the two rotating columns (802), the extrusion plate (805) is hinged to the bottom of the driven plate (804), the extrusion block (806) is fixed to the bottom of the extrusion plate (805), the limiting block (807) is slidably connected to the inner side of the outer shell (801), the extension plate (808) is fixed to the bottom of the limiting block (807), and the driven block (809) is fixed to the top of the limiting block (807).

5. The deep foundation pit foundation support construction structure according to claim 4, characterized in that: The inner side of the outer shell (801) is provided with a moving channel, and the limiting block (807) is slidably connected to the outer shell (801) through the moving channel.

6. The deep foundation pit foundation support construction structure according to claim 4, characterized in that: The extrusion block (806) has a frustum structure, and the two driven blocks (809) on opposite sides are adapted to the extrusion block (806).

7. The deep foundation pit foundation support construction structure according to claim 1, characterized in that: The locking assembly (13) includes a connecting block (1301), a connecting block (1302), a hinge block (1303), a top support plate (1304), and a limiting post (1305). The connecting block (1301) is fixed to the top of the pressure plate (10), the connecting block (1302) is fixed to the top of the connecting block (1301), the hinge block (1303) is rotatably connected to the inner side of the connecting block (1302), the top support plate (1304) is fixed to the top of the hinge block (1303), the top support plate (1304) is attached to the top of the connecting block (1302), and the limiting post (1305) is fixed to the left side of the baffle (6).

8. The deep foundation pit foundation support construction structure according to claim 7, characterized in that: The bottom of the hinge block (1303) is fixed with a hook block, and the right side of the connecting block (1302) is provided with an active channel for the sliding of the limiting post (1305). The hook block is adapted to the limiting post (1305).

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