Deep foundation pit supporting device for bridge construction

Abstract

The utility model relates to a deep foundation pit supporting device for bridge construction, and belongs to the technical field of building safety, the deep foundation pit supporting device comprises a deep foundation pit side wall, a deep foundation pit bottom wall is arranged on the inner bottom wall of the deep foundation pit side wall, and supporting structures are arranged on the deep foundation pit side wall and the deep foundation pit bottom wall; the supporting structure comprises a supporting pile, a connecting pile, a reinforcing column, a limiting plate, a movable column, a bottom plate, a sliding plate, a sliding block, an air cylinder and a rigid spring, the supporting pile is arranged at the included angle of the side wall of the deep foundation pit, the connecting pile is fixedly connected to the side wall of the deep foundation pit, and the air cylinder is fixedly connected to the inner bottom wall of the connecting pile. According to the deep foundation pit supporting device for bridge construction, the supporting structures are arranged on the side wall and the bottom wall of the deep foundation pit to reinforce supporting of the deep foundation pit, and through cooperation of the movable columns and the connecting piles, the reinforcing columns can be conveniently and flexibly installed in the deep foundation pit for supporting; and the supporting seat and the inclined supporting column can be matched with the supporting structure to further enhance the supporting efficiency of the deep foundation pit.

Description

Technical Field

[0001] The present application relates to the field of building safety technology, and specifically to a deep foundation pit support device for bridge construction. Background Art

[0002] The deep foundation pit support device used in bridge construction is a technical measure to ensure the stability of the surrounding soil and prevent collapse during the deep excavation of the foundation pit, thereby ensuring construction safety. Deep foundation pit support technology is particularly important in bridge engineering, especially when the geological conditions are complex, the groundwater level is high, and the foundation pit is deep.

[0003] Most of the deep foundation pit support devices for bridge construction on the market require special attention to the support of the side walls of the foundation pit during the deep foundation pit construction process. However, the existing deep foundation pit support structures have poor structural stability and require a lot of time to set up criss-cross steel meshes, which is time-consuming and labor-intensive, and thus the deep foundation pit support devices need to be improved. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present application provides a deep foundation pit support device for bridge construction, which has the advantages of enhancing the installation and support efficiency of the deep foundation pit support device, and solves the problem that the deep foundation pit support device needs to be improved.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a deep foundation pit support device for bridge construction, comprising a deep foundation pit side wall, the inner bottom wall of the deep foundation pit side wall is provided with a deep foundation pit bottom wall, and support structures are provided on both the deep foundation pit side wall and the deep foundation pit bottom wall.

[0006] The supporting structure includes supporting piles, connecting piles, reinforcing columns, limiting plates, movable columns, bottom plates, sliding plates, sliding blocks, cylinders and rigid springs. The supporting piles are arranged at the angles of the side walls of the deep foundation pit. The connecting piles are fixedly connected to the side walls of the deep foundation pit. The inner bottom wall of the connecting piles is fixedly connected with a cylinder. The output end of the cylinder is directed upward. The sliding plate is fixedly connected to the output end of the cylinder. The sliding block is fixedly connected to one end of the sliding plate. The bottom plate is fixedly connected to the other end of the sliding plate. One end of the rigid spring is fixedly connected to the inner bottom wall of the connecting pile. The other end of the rigid spring is fixedly connected to one end of the bottom plate. The movable column is fixedly connected to the other end of the bottom plate. The limiting plate is fixedly connected to the upper end of the movable column. The reinforcing columns are all inserted into the connecting piles and the supporting piles.

[0007] By adopting the above technical scheme, it is possible to strengthen the support for the deep foundation pit by arranging the supporting structure on the side walls and bottom walls of the deep foundation pit, and the cooperation of the movable columns and the connecting piles can facilitate the flexible installation of the reinforcing columns in the deep foundation pit for support, and the support efficiency of the deep foundation pit can be further enhanced by cooperating with the supporting structure through the support seat and the inclined support column.

[0008] Furthermore, a sliding groove is provided inside the connecting pile, and the sliding block slides in the connecting pile through the sliding groove.

[0009] By adopting the above technical solution, the sliding block is used to drive the sliding plate to slide flexibly in the connecting pile.

[0010] Furthermore, a sliding hole is provided in the connecting pile, and the sliding plate slides in the connecting pile through the sliding hole.

[0011] By adopting the above technical solution, the reinforcing column is flexibly connected to the movable column by opening a sliding hole matched with the reinforcing column.

[0012] Furthermore, a movable hole is provided in the movable column, and a fixed hole is provided in the connecting pile, and the movable holes and the fixed holes are both provided in a plurality.

[0013] By adopting the above technical solution, the reinforcing column can be flexibly connected to the connecting pile by opening a fixing hole matched with the reinforcing column.

[0014] Furthermore, the supporting pile is provided with connection holes, the number of the connection holes is several, and the specifications of the movable holes, the fixed holes and the connection holes are matched.

[0015] By adopting the above technical solution, the reinforcing column is connected between the supporting pile and the connecting pile for support through the provision of the movable hole, the fixed hole and the connecting hole.

[0016] Furthermore, a support structure is provided in the support pile, and the support structure includes a center column, a connecting spring and a connecting seat. The center column is fixedly connected in the support pile, one end of the connecting spring is fixedly connected to the outside of the center column, and the connecting seat is fixedly connected to the other end of the connecting spring.

[0017] By adopting the above technical solution, the connection spring is a mechanical element that can resist deformation and restore its original shape within the elastic range. It is usually made of metal wire or other elastic materials. It is designed to store energy when subjected to external force and release energy after the external force is removed, so that the system returns to its original state.

[0018] Furthermore, the connecting spring and the connecting seat are both located on both sides of the outside of the central column and are distributed vertically.

[0019] By adopting the above technical solution, the reinforcing columns located in the supporting piles are limited and resisted by using a plurality of vertically distributed connecting seats.

[0020] Furthermore, a support seat is provided on the bottom wall of the deep foundation pit, an oblique support column is fixedly connected to the support seat, and the oblique support column is fixedly connected to the connecting pile.

[0021] By adopting the above technical solution, the compression resistance of the side wall of the deep foundation pit is enhanced by using the existing oblique support columns and support seats.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The deep foundation pit support device for bridge construction has the function of strengthening the support for the deep foundation pit by arranging the support structure on the side wall and the bottom wall of the deep foundation pit, and the cooperation of the movable columns and the connecting piles can facilitate the flexible installation of the reinforcement columns in the deep foundation pit for support, and the support efficiency of the deep foundation pit can be further enhanced by cooperating with the support structure through the support seat and the inclined support column. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a top view of the structure of this application;

[0025] Figure 2 This is a front cross-sectional view of the structure of this application;

[0026] Figure 3 A three-dimensional diagram of the supporting pile structure for this application;

[0027] Figure 4 This is a front and cross-sectional view of the connecting pile structure for this application;

[0028] Figure 5 This is a front view of the connecting pile structure for this application;

[0029] Figure 6 This is a top view of the cross-sectional view of the support pile structure of this application.

[0030] In the figure: 1. side wall of deep foundation pit; 2. bottom wall of deep foundation pit; 3. support seat; 4. oblique support column; 5. support structure; 501. support pile; 502. connecting pile; 503. connecting hole; 504. reinforcing column; 505. limit plate; 506. movable column; 507. movable hole; 508. fixed hole; 509. bottom plate; 5010. sliding plate; 5011. sliding block; 5012. sliding groove; 5013. cylinder; 5014. rigid spring; 5015. sliding hole; 5016. center column; 5017. connecting spring; 5018. connecting seat. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] See also Figure 1-5A deep foundation pit supporting device for bridge construction in this embodiment includes a deep foundation pit side wall 1, a deep foundation pit bottom wall 2 is arranged on the inner bottom wall of the deep foundation pit side wall 1, and supporting structures 5 are arranged on both the deep foundation pit side wall 1 and the deep foundation pit bottom wall 2.

[0033] The support structure 5 includes a support pile 501, a connecting pile 502, a reinforcing column 504, a limiting plate 505, a movable column 506, a bottom plate 509, a sliding plate 5010, a sliding block 5011, a cylinder 5013 and a rigid spring 5014. The support pile 501 is arranged at the angle of the deep foundation pit side wall 1, the connecting pile 502 is fixedly connected to the deep foundation pit side wall 1, the inner bottom wall of the connecting pile 502 is fixedly connected with a cylinder 5013, the output end of the cylinder 5013 is directed upward, and the sliding plate 5010 is fixedly connected to the cylinder 5013. At the output end of the cylinder 5013, the sliding block 5011 is fixedly connected to one end of the sliding plate 5010, the bottom plate 509 is fixedly connected to the other end of the sliding plate 5010, one end of the rigid spring 5014 is fixedly connected to the inner bottom wall of the connecting pile 502, the other end of the rigid spring 5014 is fixedly connected to one end of the bottom plate 509, the movable column 506 is fixedly connected to the other end of the bottom plate 509, the limit plate 505 is fixedly connected to the upper end of the movable column 506, and the reinforcement column 504 is inserted into the connecting pile 502 and the support pile 501.

[0034] Among them, except for the structure in 501, the other structures in the supporting structure 5 are distributed in a symmetrical structure based on the side wall 1 of the deep foundation pit.

[0035] It should be noted that the number of cylinders 5013 is two.

[0036] In this embodiment, a support seat 3 is provided on the bottom wall 2 of the deep foundation pit, and an oblique support column 4 is fixedly connected to the support seat 3 , and the oblique support column 4 is fixedly connected to the connection pile 502 .

[0037] In this embodiment, a sliding groove 5012 is provided inside the connecting pile 502 , and the sliding block 5011 slides inside the connecting pile 502 through the sliding groove 5012 .

[0038] In this embodiment, a sliding hole 5015 is opened in the connecting pile 502 , and the sliding plate 5010 slides in the connecting pile 502 through the sliding hole 5015 .

[0039] In this embodiment, a movable hole 507 is formed in the movable column 506 , and a fixed hole 508 is formed in the connecting pile 502 . The movable holes 507 and the fixed holes 508 are both multiple in number.

[0040] In this embodiment, the supporting pile 501 is provided with connection holes 503 , the number of the connection holes 503 is several, and the specifications of the movable holes 507 , the fixed holes 508 and the connection holes 503 are adapted to each other.

[0041] See also Figure 6 In this embodiment, a supporting structure is provided in the supporting pile 501, and the supporting structure includes a central column 5016, a connecting spring 5017 and a connecting seat 5018. The central column 5016 is fixedly connected in the supporting pile 501, one end of the connecting spring 5017 is fixedly connected to the outside of the central column 5016, and the connecting seat 5018 is fixedly connected to the other end of the connecting spring 5017.

[0042] In this embodiment, the connecting spring 5017 and the connecting seat 5018 are both located on both sides of the outside of the central column 5016 and are distributed vertically.

[0043] The working principle of the above embodiment is:

[0044] First, the support columns 501 are installed between the two side walls of the deep foundation pit, and the connecting piles 502 are installed in the middle of the side wall 1 of the deep foundation pit.

[0045] Secondly, the cylinder 5013 is operated to drive the sliding plate 5010 to move, and the sliding plate 5010 slides in the sliding groove 5012 through the sliding block 5011, and the sliding block 5011 slides in the connecting pile 502 through the sliding hole 5015. After the sliding plate 5010 is displaced, the bottom plate 509 is driven to move, and the movable column 506 is driven to move through the moving bottom plate 509. When the movable column 506 moves to a suitable position with the connecting pile 502, the fixed hole 508 coincides with the movable hole 507. The two reinforcing columns 504 are inserted into the overlapping fixed holes 508 and movable holes 507, and the other ends of the two reinforcing columns 504 are made to contact with the connecting seat 5018 in the supporting pile 502 to support the deep foundation pit, thereby facilitating installation and enhancing the support efficiency of the deep foundation pit.

[0046] Finally, by installing the support seat 3 on the bottom wall 2 of the deep foundation pit, and by installing the oblique support column 4 on the side of the connecting column 502, the support seat 3 and the oblique support column 4 cooperate with the supporting structure 5 to strengthen the support of the deep foundation pit.

Claims

1. A deep foundation pit support device for bridge construction, comprising a deep foundation pit side wall (1), characterized in that: The inner bottom wall of the deep foundation pit side wall (1) is provided with a deep foundation pit bottom wall (2), and the deep foundation pit side wall (1) and the deep foundation pit bottom wall (2) are both provided with supporting structures (5); The support structure (5) comprises a support pile (501), a connecting pile (502), a reinforcing column (504), a limiting plate (505), a movable column (506), a bottom plate (509), a sliding plate (5010), a sliding block (5011), a cylinder (5013) and a rigid spring (5014); the support pile (501) is arranged at an angle of a deep foundation pit side wall (1); the connecting pile (502) is fixedly connected to the deep foundation pit side wall (1); the inner bottom wall of the connecting pile (502) is fixedly connected to a cylinder (5013); the output end of the cylinder (5013) is directed upward; the sliding plate (5010) is fixedly connected to the bottom wall of the deep foundation pit; At the output end of the cylinder (5013), the sliding block (5011) is fixedly connected to one end of the sliding plate (5010), the bottom plate (509) is fixedly connected to the other end of the sliding plate (5010), one end of the rigid spring (5014) is fixedly connected to the inner bottom wall of the connecting pile (502), the other end of the rigid spring (5014) is fixedly connected to one end of the bottom plate (509), the movable column (506) is fixedly connected to the other end of the bottom plate (509), the limit plate (505) is fixedly connected to the upper end of the movable column (506), and the reinforcing column (504) is inserted into the connecting pile (502) and the supporting pile (501).

2. A deep foundation pit support device for bridge construction according to claim 1, characterized in that: A sliding groove (5012) is provided inside the connecting pile (502), and the sliding block (5011) slides inside the connecting pile (502) through the sliding groove (5012).

3. A deep foundation pit support device for bridge construction according to claim 1, characterized in that: A sliding hole (5015) is provided in the connecting pile (502), and the sliding plate (5010) slides in the connecting pile (502) through the sliding hole (5015).

4. A deep foundation pit supporting device for bridge construction according to claim 1, characterized in that: A movable hole (507) is provided in the movable column (506), and a fixed hole (508) is provided in the connecting pile (502). The movable holes (507) and the fixed holes (508) are both multiple in number.

5. A deep foundation pit support device for bridge construction according to claim 4, characterized in that: The support pile (501) is provided with connection holes (503), the number of the connection holes (503) is several, and the movable holes (507), the fixed holes (508) and the connection holes (503) are of compatible specifications.

6. A deep foundation pit supporting device for bridge construction according to claim 1, characterized in that: A support structure is provided in the support pile (501), the support structure comprising a central column (5016), a connecting spring (5017) and a connecting seat (5018), the central column (5016) being fixedly connected in the support pile (501), one end of the connecting spring (5017) being fixedly connected to the outside of the central column (5016), and the connecting seat (5018) being fixedly connected to the other end of the connecting spring (5017).

7. A deep foundation pit supporting device for bridge construction according to claim 6, characterized in that: The connecting spring (5017) and the connecting seat (5018) are both located on both sides of the outside of the central column (5016) and are distributed vertically.

8. The deep foundation pit supporting device for bridge construction according to claim 1, characterized in that: A support seat (3) is provided on the bottom wall (2) of the deep foundation pit, an oblique support column (4) is fixedly connected to the support seat (3), and the oblique support column (4) is fixedly connected to the connection pile (502).

Images