Earth excavation foundation pit supporting structure

Abstract

The utility model discloses an earth excavation foundation pit supporting structure which comprises a bottom plate and a supporting plate, a splicing assembly is installed on the top of the supporting plate, the splicing assembly comprises a connecting plate and a top plate, a fixing assembly is installed on the top plate, the fixing assembly comprises a rotating plate and a rivet, climbing assemblies are installed on the rotating plate and the connecting plate, and the connecting plate and the rivet are connected through a bolt. According to the earth excavation foundation pit supporting structure, climbing can be conducted by means of the steps, walking can be conducted by means of the rotating plate, meanwhile, the insection is used for preventing personnel from slipping on the inclined plate, the personnel can conveniently go up and down a foundation pit, the working efficiency is improved, and the working efficiency is improved. The foundation pit supporting device is simple in structure and more convenient to use, the two-way screw pushes the thread sleeve towards the outer side of the two-way screw, then the bottom plate is driven to push towards the two sides of a foundation pit, different numbers of connecting plates are used according to the depth of the foundation pit, and the foundation pit supporting device can adapt to supporting work of foundation pits of different sizes and is suitable for supporting work of earthwork excavation foundation pits.

Description

Technical Field

[0001] The utility model relates to the technical field of earthwork excavation foundation pit supporting equipment, in particular to an earthwork excavation foundation pit supporting structure. Background Art

[0002] After the earth excavation work of the foundation pit is carried out, in order to ensure the safety of the foundation pit, avoid earth collapse, or backflow of surrounding soil, it is often necessary to use support equipment to fix and protect the foundation pit. The utility model patent with patent application number CN202020481988.9 discloses a foundation pit support with a drainage structure. The bottom plate in the support assembly protects the bottom of the inner wall of the foundation pit body, and the support plate protects both sides of the inner wall of the foundation pit body. When the construction project experiences the rainy season, it is avoided that after the earth excavation reaches the bottom of the trench, hanging water will form on the slope wall and flow into the foundation pit. By setting a drainage pipe and using a water pump to The water in the foundation pit body is pumped out, which makes it easier to drain the foundation pit and prevents the normal progress of the project from being affected, thereby improving the construction progress of the project. In addition, the support components are easy to disassemble and assemble, which reduces the labor intensity of the staff, saves the disassembly and assembly time, and brings great convenience to the users. According to the technical scheme disclosed by the invention, when using the existing earth excavation foundation pit support structure, on the one hand, after installation and fixation, it is often inconvenient for personnel to go up and down the foundation pit, and they need to carry a ladder, which is inconvenient to use. On the other hand, the height and width of the support structure cannot be flexibly adjusted according to needs, and thus cannot adapt to the support work of foundation pits of different sizes.

[0003] Therefore, how to design an earth excavation foundation pit support structure has become our current problem to be solved. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a supporting structure for an earthwork excavation pit to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable design and is relatively convenient to use, and is suitable for use in supporting work of an earthwork excavation pit.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a supporting structure for earth excavation pit, comprising a bottom plate and a support plate, a splicing assembly is installed on the top of the support plate, the splicing assembly comprises a connecting plate and a top plate, a fixing assembly is installed on the top plate, the fixing assembly comprises a rotating plate and a rivet, a climbing assembly is installed on the rotating plate and the connecting plate, the climbing assembly comprises a tooth pattern and a step, a telescopic assembly is installed on the bottom plate, the telescopic assembly comprises a screw sleeve and a bidirectional screw, a splicing assembly is installed on the connecting plate, the splicing assembly comprises an insert rod and an insert sleeve, a locking assembly is installed on the inner side of the insert rod, and the locking assembly comprises a bayonet and a spring.

[0006] Furthermore, the support plate is welded to the top of the bottom plate, the connecting plate is clamped to the top of the support plate, and the top plate is clamped to the top of the connecting plate.

[0007] Furthermore, a support sleeve is welded to the top of the top plate, one end of the rotating plate is installed on the inner side of the support sleeve through a rotating shaft, and the rivet is welded to the bottom of the other end of the rotating plate.

[0008] Furthermore, the steps are respectively welded on the support plate, the connecting plate and the top plate, the steps are evenly distributed on the support plate, the connecting plate and the top plate, the tooth pattern is opened on the top of the rotating plate, and the tooth pattern is evenly distributed on the rotating plate.

[0009] Furthermore, the screw sleeve is welded to the top of the base plate, both ends of the bidirectional screw are clamped on the inner side of the screw sleeve, the outer side of the bidirectional screw is provided with an external thread, the inner wall of the screw sleeve is provided with an internal thread, and the external thread matches the internal thread.

[0010] Furthermore, the insertion rod is welded to the bottom of the connecting plate and the top plate respectively, the insertion sleeve is welded to the top of the supporting plate and the connecting plate respectively, and the bottom end of the insertion rod is clamped on the inner side of the insertion sleeve.

[0011] Furthermore, a pin hole is provided on the inner side of the insertion rod, and a bayonet is provided on the inner side of the insertion sleeve, and the bayonet is communicated with the pin hole.

[0012] Furthermore, one end of the bayonet pin is connected to the inner wall of the pin hole through a spring, and the other end of the bayonet pin passes through the pin hole and extends to the inner side of the bayonet.

[0013] Beneficial effects: 1. When the earth excavation foundation pit support structure is in use, personnel can climb with the help of stairs and walk on the turning plate when entering the inside of the foundation pit or climbing out from the inside of the foundation pit. At the same time, the tooth pattern is used to prevent personnel from slipping on the inclined plate. There is no need for personnel to constantly carry stairs or walk long distances according to the position of the stairs, which saves manpower consumption, facilitates personnel to go up and down the foundation pit, and is more convenient to use.

[0014] 2. When the earthwork excavation foundation pit support structure is in use, the bottom plate is placed at the bottom of the foundation pit, and the bidirectional screw is rotated according to the width of the foundation pit. The bidirectional screw pushes the screw sleeve to the outside of the bidirectional screw through the thread, thereby driving the bottom plate to be pushed to both sides of the foundation pit until the support plate is clamped on the inner walls on both sides of the foundation pit, and then the connecting plates are clamped on the top of the support plate one by one, and the plug rod is inserted into the inner side of the plug sleeve. The bayonet pin is pushed from the inner side of the pin hole to the inner side of the bayonet by the spring, and the plug rod and the plug sleeve are locked with each other. The depth of the pit is determined by the number of connecting plates used. After the top plate is installed and fixed, the top of the top plate is higher than the top of the foundation pit. The rotating plate is then rotated to the ground through the support sleeve, and the rivets are inserted into the ground to fix the top plate. The bottom plate, support plate, connecting plate and top plate are effectively used to support the inner wall of the foundation pit. The system can adapt to the support operations of foundation pits of different sizes, avoid collapse of the foundation pit, and prevent the surrounding soil from flowing back to the inside of the foundation pit, thereby ensuring the safety of the foundation pit.

[0015] 3. The earthwork excavation foundation pit support structure is reasonably designed, efficient and convenient to use, and is suitable for use in earthwork excavation foundation pit support work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a foundation pit support structure for earthwork excavation of the utility model;

[0017] Figure 2 It is a cross-sectional view of a supporting structure for earthwork excavation foundation pit of the utility model;

[0018] Figure 3 It is a cross-sectional view of an inserted rod of a foundation pit support structure for earthwork excavation according to the utility model;

[0019] In the figure: 1, bottom plate; 2, support plate; 3, connecting plate; 4, top plate; 5, rotating plate; 6, support sleeve; 7, tooth pattern; 8, rivet; 9, step; 10, screw sleeve; 11, bidirectional screw; 12, plug rod; 13, plug sleeve; 14, pin hole; 15, bayonet pin; 16, spring; 17, bayonet. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 3The utility model provides a technical solution: a supporting structure for earthwork excavation foundation pit, comprising a bottom plate 1 and a support plate 2, a splicing assembly is installed on the top of the support plate 2, the splicing assembly comprises a connecting plate 3 and a top plate 4, a fixing assembly is installed on the top plate 4, the fixing assembly comprises a rotating plate 5 and a rivet 8, a climbing assembly is installed on the rotating plate 5 and the connecting plate 3, the climbing assembly comprises a tooth pattern 7 and a step 9, a telescopic assembly is installed on the bottom plate 1, the telescopic assembly comprises a screw sleeve 10 and a bidirectional screw 11, a splicing assembly is installed on the connecting plate 3, the splicing assembly comprises an insert rod 12 and a sleeve 13, a locking assembly is installed on the inner side of the insert rod 12, the locking assembly comprises a bayonet 15 and a spring 16, the support plate 2 is welded to the top of the bottom plate 1, the connecting plate 3 is stuck on the top of the support plate 2, and the top plate 4 is stuck on the top of the connecting plate 3, a supporting sleeve 6 is welded on the top of the top plate 4, one end of the rotating plate 5 is installed on the inner side of the supporting sleeve 6 through a rotating shaft, and the rivet 8 is welded to the bottom of the other end of the rotating plate 5, and the steps 9 are respectively welded on the supporting plate 2, the connecting plate 3 and the top plate 4, and the steps 9 are evenly distributed on the supporting plate 2, the connecting plate 3 and the top plate 4, and the tooth pattern 7 is opened on the top of the rotating plate 5, and the tooth pattern 7 is evenly distributed on the rotating plate 5. When in use, when entering the inside of the foundation pit or climbing up from the inside of the foundation pit, the personnel can climb with the help of the steps 9 and use the rotating plate 5 to walk, and the tooth pattern 8 is used to prevent the personnel from slipping on the inclined plate 5, and there is no need for the personnel to constantly carry the stairs or walk long distances according to the position of the stairs, which saves manpower consumption, facilitates the personnel to go up and down the foundation pit, and is more convenient to use.

[0022] In this embodiment, the screw sleeve 10 is welded on the top of the bottom plate 1, and both ends of the bidirectional screw 11 are stuck in the inner side of the screw sleeve 10. The outer side of the bidirectional screw 11 is provided with an external thread, and the inner wall of the screw sleeve 10 is provided with an internal thread, and the external thread matches the internal thread. The plug rod 12 is welded to the bottom of the connecting plate 3 and the top plate 4 respectively, and the plug sleeve 13 is welded to the top of the support plate 2 and the connecting plate 3 respectively. The bottom end of the plug rod 12 is stuck in the inner side of the plug sleeve 13, and a pin hole 14 is provided on the inner side of the plug rod 12. A bayonet 17 is provided on the inner side of the plug sleeve 13, and the bayonet 17 is connected with the pin hole 14. One end of the bayonet pin 15 is connected with the inner wall of the pin hole 14 through a spring 16, and the other end of the bayonet pin 15 passes through the pin hole 14 and extends to the inner side of the bayonet 17. When in use, the bottom plate 1 is placed at the bottom of the foundation pit, and the bidirectional screw 11 is rotated according to the width of the foundation pit. The bidirectional screw 11 passes through The screw sleeve 10 is pushed toward the outside of the bidirectional screw rod 11 through the thread, thereby driving the bottom plate 1 to be pushed toward the two sides of the foundation pit, until the support plate 2 is clamped on the inner walls on both sides of the foundation pit, and then the connecting plates 3 are clamped on the top of the support plate 2 one by one, and the plug rod 12 is inserted into the inner side of the plug sleeve 13. The bayonet pin 15 is pushed from the inner side of the pin hole 14 to the inner side of the bayonet 17 by the spring 16, and the plug rod 12 and the plug sleeve 13 are locked with each other. Different numbers of connecting plates 3 are used according to the depth of the foundation pit until the plug rod 12 and the plug sleeve 13 are locked. After the installation and fixation of the top plate 4 is completed, the top of the top plate 4 is made higher than the top of the foundation pit, and then the rotating plate 5 is rotated to the ground through the support sleeve 6, and the rivet 8 is inserted into the ground to fix the top plate 4. The bottom plate 1, the support plate 2, the connecting plate 3 and the top plate 4 are effectively used to support the inner wall of the foundation pit, and can adapt to the support operations of foundation pits of different sizes, avoid collapse of the foundation pit, and prevent the surrounding soil from flowing back to the inside of the foundation pit, thereby ensuring the safety of the foundation pit.

[0023] When the earthwork excavation foundation pit supporting structure is in use, the bottom plate 1 is placed at the bottom of the foundation pit, and the bidirectional screw 11 is rotated according to the width of the foundation pit. The bidirectional screw 11 pushes the screw sleeve 10 to the outside of the bidirectional screw 11 through the thread, thereby driving the bottom plate 1 to be pushed to the two sides of the foundation pit until the support plate 2 is clamped on the inner walls of the two sides of the foundation pit, and then the connecting plates 3 are clamped on the top of the support plate 2 one by one, and the plug rod 12 is inserted into the inner side of the plug sleeve 13. The bayonet 15 is pushed from the inner side of the pin hole 14 to the inner side of the bayonet 17 by the spring 16, and the plug rod 12 and the plug sleeve 13 are locked with each other. According to the depth of the foundation pit, different numbers of connecting plates 3 are used until the top plate 4 is installed and fixed, so that the top of the top plate 4 is higher than the top of the foundation pit, and then the rotating plate 5 is passed through The support sleeve 6 is rotated to the ground, and the rivet 8 is inserted into the ground to fix the top plate 4, and the bottom plate 1, support plate 2, connecting plate 3 and top plate 4 are effectively used to support the inner wall of the foundation pit, and can adapt to the support operations of foundation pits of different sizes, avoid collapse of the foundation pit, and prevent the surrounding soil from flowing back to the inside of the foundation pit, so as to ensure the safety of the foundation pit. When entering the inside of the foundation pit or climbing up from the inside of the foundation pit, people can climb with the help of the ladder 9 and use the turning plate 5 to walk. At the same time, the tooth pattern 8 is used to prevent people from slipping on the inclined plate 5. There is no need for people to constantly carry stairs or walk long distances according to the position of the stairs, which saves manpower consumption, facilitates people to go up and down the foundation pit, and is more convenient to use.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A supporting structure for an earthwork excavation pit, comprising a bottom plate (1) and a support plate (2), a splicing assembly being installed on the top of the support plate (2), the splicing assembly comprising a connecting plate (3) and a top plate (4), characterized in that: A fixing assembly is installed on the top plate (4), and the fixing assembly includes a rotating plate (5) and a rivet (8); a climbing assembly is installed on the rotating plate (5) and the connecting plate (3), and the climbing assembly includes a tooth pattern (7) and a step (9); a telescopic assembly is installed on the bottom plate (1), and the telescopic assembly includes a screw sleeve (10) and a bidirectional screw (11); a splicing assembly is installed on the connecting plate (3), and the splicing assembly includes an insert rod (12) and an insert sleeve (13); a locking assembly is installed on the inner side of the insert rod (12), and the locking assembly includes a bayonet (15) and a spring (16).

2. The earthwork excavation foundation pit support structure according to claim 1, characterized in that: The support plate (2) is welded to the top of the bottom plate (1), the connecting plate (3) is clamped on the top of the support plate (2), and the top plate (4) is clamped on the top of the connecting plate (3).

3. The earthwork excavation foundation pit support structure according to claim 2, characterized in that: A support sleeve (6) is welded to the top of the top plate (4), one end of the rotating plate (5) is mounted on the inner side of the support sleeve (6) via a rotating shaft, and the rivet (8) is welded to the bottom of the other end of the rotating plate (5).

4. The earthwork excavation foundation pit support structure according to claim 3, characterized in that: The steps (9) are respectively welded to the support plate (2), the connecting plate (3) and the top plate (4); the steps (9) are evenly distributed on the support plate (2), the connecting plate (3) and the top plate (4); the tooth patterns (7) are opened on the top of the rotating plate (5); and the tooth patterns (7) are evenly distributed on the rotating plate (5).

5. The earthwork excavation foundation pit support structure according to claim 1, characterized in that: The screw sleeve (10) is welded to the top of the bottom plate (1), and both ends of the bidirectional screw (11) are clamped on the inner side of the screw sleeve (10). The outer side of the bidirectional screw (11) is provided with an external thread, and the inner wall of the screw sleeve (10) is provided with an internal thread, and the external thread matches the internal thread.

6. The earthwork excavation foundation pit support structure according to claim 5, characterized in that: The insertion rod (12) is welded to the bottom of the connecting plate (3) and the top plate (4), respectively; the insertion sleeve (13) is welded to the top of the supporting plate (2) and the connecting plate (3), respectively; and the bottom end of the insertion rod (12) is clamped inside the insertion sleeve (13).

7. The earthwork excavation foundation pit support structure according to claim 6, characterized in that: A pin hole (14) is provided on the inner side of the insert rod (12), a bayonet (17) is provided on the inner side of the insert sleeve (13), and the bayonet (17) is communicated with the pin hole (14).

8. The earthwork excavation foundation pit support structure according to claim 7, characterized in that: One end of the bayonet pin (15) is connected to the inner wall of the pin hole (14) through a spring (16), and the other end of the bayonet pin (15) passes through the pin hole (14) and extends to the inner side of the bayonet port (17).

Images