Foundation pit supporting structure

Abstract

The utility model discloses a foundation pit supporting structure which comprises an L-shaped supporting plate, T-shaped clamping plates are fixedly connected to the right side face of the L-shaped supporting plate and the upper surface of the L-shaped supporting plate, a set of U-shaped clamping plates are arranged outside each T-shaped clamping plate, and a U-shaped positioning frame is fixedly connected to the outer surface of each U-shaped clamping plate. According to the device, the T-shaped clamping plate, the U-shaped clamping plate, the U-shaped positioning frame, the supporting screw rod, the supporting screw cylinder, the pressure bearing, the limiting hole and the limiting screw rod are arranged, the connecting clamping groove is in sliding connection with the T-shaped positioning frame, and the connecting groove is in sliding connection with the T-shaped mounting frame, so that the extending protection plate, the extending bottom plate and the L-shaped supporting plate can be conveniently assembled; the T-shaped extension fixing plate is in sliding connection with the U-shaped extension fixing frame, the extension screw rod is in threaded connection with the extension screw barrel, and the limiting screw rod is matched with the limiting hole and the fixing ring, so that the extension protection plate and the extension bottom plate can be conveniently reinforced, and the situation that the supporting effect is poor is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a foundation pit supporting structure. Background Art

[0002] In order to ensure the smooth construction of the foundation pit and the safety of surrounding buildings, a support structure is usually set between the foundation pit and the side walls of the foundation pit. There are many forms of foundation pit support structures. The function of the foundation pit support structure is to prevent groundwater and soil outside the foundation pit from flowing into the foundation pit.

[0003] The existing patent announcement number CN216713046U is a foundation pit support structure. There are still certain defects in the above patent. Since different depths of foundation pits require support plates of different heights, it is impossible to increase the height and width of the support plates, which reduces its practicality. Therefore, we propose a foundation pit support structure to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a foundation pit supporting structure to solve the problems raised in the above background technology.

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

[0006] A foundation pit supporting structure comprises an L-shaped supporting plate, the right side surface of the L-shaped supporting plate and the upper surface of the L-shaped supporting plate are fixedly connected with a T-shaped clamping plate, a group of U-shaped clamping plates are arranged on the outside of each of the T-shaped clamping plates, the outer surface of each of the U-shaped clamping plates is fixedly connected with a U-shaped positioning frame, a group of supporting screws are arranged inside the L-shaped supporting plate, the outer surface of each of the supporting screws is threadedly connected with a supporting screw barrel, the outer surface of each of the supporting screw barrels is fixedly connected with a pressure bearing, the left side surface of each of the pressure bearings and the right end of the supporting screw are fixedly connected with a positioning ring, a connecting groove is opened on the upper surface of the L-shaped supporting plate, a T-shaped positioning frame is arranged above the L-shaped supporting plate, an extension guard plate is fixedly connected to the upper surface of the T-shaped positioning frame, a connecting groove is opened on the right side surface of the L-shaped supporting plate, An extension base plate is provided on the right side of the plate, and a T-shaped mounting frame is fixedly connected to the left side of the extension base plate, and a T-shaped extension fixing plate is fixedly connected to the upper surface of the extension base plate and the right side of the extension guard plate, and a U-shaped extension fixing frame is provided on the outside of each T-shaped extension fixing plate, and a U-shaped extension fixing frame is fixedly connected to the outer surface of each U-shaped extension fixing frame, and limiting holes are provided on the outer surface of each U-shaped supporting frame and the outer surface of the U-shaped positioning frame, and a group of extension screws are provided above the L-shaped support plate, and an extension screw barrel is threadedly connected to the outer surface of each extension screw, and a sealed bearing is fixedly connected to the outer surface of each extension screw barrel, and a fixing ring is fixedly connected to the left side of each sealing bearing and the right end of the extension screw, and a limiting screw is provided on the outside of each U-shaped supporting frame and the outside of the U-shaped positioning frame.

[0007] In a further embodiment, the left side surface of the extended guard plate, the outer surface of the L-shaped support plate and the bottom surface of the extended bottom plate are all fixedly connected with anti-skid pads, and the anti-skid pads are made of rubber.

[0008] In a further embodiment, a fixing nut is disposed outside each of the limiting screws, and each of the fixing nut is matched with the limiting screw.

[0009] In a further embodiment, a reinforcement block is fixedly connected to the inner side wall of the L-shaped support plate, and the bottom surface of the reinforcement block is fixedly connected to the inner bottom wall of the L-shaped support plate.

[0010] In a further embodiment, each of the U-shaped clamping plates is compatible with the T-shaped clamping plate, and each of the fixing ring, the positioning ring and the limiting hole is compatible with the limiting screw.

[0011] In a further embodiment, each of the T-shaped extension fixing plates is matched with the U-shaped extension fixing frame, the connecting slot is matched with the T-shaped positioning frame, and the connecting groove is matched with the T-shaped mounting frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. This device is provided with a T-shaped pallet, a U-shaped pallet, a U-shaped positioning frame, a support screw, a support screw barrel, a pressure bearing, a positioning ring, a limit hole and a limit screw. By using the sliding connection between the T-shaped pallet and the U-shaped pallet, the threaded connection between the support screw and the support screw barrel, and the matching of the limit screw, the positioning ring and the limit hole, it is convenient to support and reinforce the L-shaped support plate to avoid the L-shaped support plate from being damaged due to poor bearing capacity.

[0014] 2. By providing a connecting slot, a T-shaped positioning frame, an extension guard plate, a connecting groove, a T-shaped mounting frame and an extension base plate, and utilizing the connecting slot and the T-shaped positioning frame for sliding connection, and the connecting groove and the T-shaped mounting frame for sliding connection, the extension guard plate can be conveniently assembled with the extension base plate and the L-shaped support plate. In addition, in combination with the T-shaped extension fixing plate, the U-shaped extension fixing frame, the U-shaped load-bearing frame, the limiting hole, the extension screw, the extension barrel, the fixing ring and the limiting screw, the T-shaped extension fixing plate and the U-shaped extension fixing frame are slidingly connected, the extension screw and the extension barrel are threadedly connected, and the limiting screw is adapted to the limiting hole and the fixing ring, so that the extension guard plate and the extension base plate can be conveniently reinforced to avoid the occurrence of poor support effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the three-dimensional diagram of the L-shaped support plate in the foundation pit support structure.

[0016] Figure 2 It is a top view of the L-shaped support plate in the foundation pit support structure.

[0017] Figure 3 This is the bottom view of the L-shaped support plate in the foundation pit support structure.

[0018] Figure 4 Foundation pit support structure Figure 1 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0019] In the figure: 1. L-shaped support plate; 2. T-shaped pallet; 3. U-shaped pallet; 4. U-shaped positioning frame; 5. Support screw; 6. Support screw barrel; 7. Pressure bearing; 8. Sealing bearing; 9. Positioning ring; 10. Connecting slot; 11. T-shaped positioning frame; 12. Extension guard plate; 13. Connecting groove; 14. T-shaped mounting frame; 15. Extension base plate; 16. T-shaped extension fixing plate; 17. U-shaped extension fixing frame; 18. U-shaped bearing frame; 19. Limiting hole; 20. Extension screw; 21. Extension screw barrel; 22. Fixing ring; 23. Anti-slip pad; 24. Reinforcement block; 25. Limiting screw; 26. Fixing nut. DETAILED DESCRIPTION

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] 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.

[0023] See also Figure 1-4In the utility model, a foundation pit support structure includes an L-shaped support plate 1, the right side surface of the L-shaped support plate 1 and the upper surface of the L-shaped support plate 1 are fixedly connected with a T-shaped card plate 2, each T-shaped card plate 2 is provided with a group of U-shaped card plates 3 outside, and the outer surface of each U-shaped card plate 3 is fixedly connected with a U-shaped positioning frame 4, and the inside of the L-shaped support plate 1 is provided with a group of support screws 5, and the outer surface of each support screw 5 is threadedly connected with a support screw barrel 6, and the outer surface of each support screw barrel 6 is fixedly connected with a pressure bearing 7, and the left side of each pressure bearing 7 and the right end of the support screw 5 are fixedly connected with a positioning ring 9. By threading the support screw 5 with the support screw barrel 6, and matching the limit screw 25 with the limit hole 19 and the positioning ring 9, the L-shaped support plate 1 can be supported and reinforced. A connecting slot 10 is provided on the upper surface of the L-shaped support plate 1, and a T-shaped positioning frame 11 is provided above the L-shaped support plate 1. An extension guard plate 12 is fixedly connected to the upper surface of the T-shaped positioning frame 11. The T-shaped positioning frame 11 is slidably connected to the connecting slot 10, so that the extension guard plate 12 can be conveniently installed with the L-shaped support plate 1. A connecting groove 13 is provided on the right side of the L-shaped support plate 1, and an extension bottom plate 15 is provided on the right side of the L-shaped support plate 1. The left side of the extension bottom plate 15 is fixedly connected with a T-shaped mounting frame 14. The T-shaped mounting frame 14 is slidably connected with the connecting groove 13, so that the extension bottom plate 15 and the L-shaped support plate 1 can be conveniently installed. The upper surface of the extension bottom plate 15 and the right side of the extension guard plate 12 are fixedly connected with a T-shaped extension fixing plate 16. The outside of each T-shaped extension fixing plate 16 is provided with a U-shaped extension fixing frame 17. The outer surface of each U-shaped extension fixing frame 17 is fixedly connected with a U-shaped bearing frame 18. The outer surface of each U-shaped bearing frame 18 and the outer surface of the U-shaped positioning frame 4 are provided with a limiting hole 19. A group of extension screws 20 are provided at the top, and the outer surface of each extension screw 20 is threadedly connected to an extension screw barrel 21, and the outer surface of each extension screw barrel 21 is fixedly connected to a sealed bearing 8. The left side of each sealed bearing 8 and the right end of the extension screw 20 are fixedly connected to a fixing ring 22, and the outside of each U-shaped load-bearing frame 18 and the outside of the U-shaped positioning frame 4 are provided with a limiting screw 25. By matching the limiting screw 25 with the fixing ring 22 and the limiting hole 19 and threading the extension screw barrel 21 with the extension screw 20, the extension base plate 15 and the extension guard plate 12 can be conveniently supported to improve their bearing capacity.

[0024] The left side surface of the extended guard plate 12, the outer surface of the L-shaped support plate 1 and the bottom surface of the extended bottom plate 15 are all fixedly connected with anti-skid pads 23, and the anti-skid pads 23 are made of rubber. The anti-skid pads 23 can increase the anti-skid properties of the extended guard plate 12, the L-shaped support plate 1 and the extended bottom plate 15. A fixing nut 26 is provided on the outside of each limiting screw 25, and each fixing nut 26 is matched with the limiting screw 25. The fixing effect of the limiting screw 25 can be improved by using the fixing nut 26. The inner side wall of the L-shaped support plate 1 is fixedly connected with a reinforcement block 24, and the bottom surface of the reinforcement block 24 is fixedly connected to the inner bottom wall of the L-shaped support plate 1. The reinforcement block 24 can be used to increase the supporting effect of the L-shaped support plate 1.

[0025] Each U-shaped card plate 3 is compatible with the T-shaped card plate 2, and each fixing ring 22, positioning ring 9 and limiting hole 19 is compatible with the limiting screw 25. By using the U-shaped card plate 3 to be compatible with the T-shaped card plate 2, the U-shaped card plate 3 and the T-shaped card plate 2 can be conveniently installed. Each T-shaped extension fixing plate 16 is compatible with the U-shaped extension fixing frame 17, the connecting card slot 10 is compatible with the T-shaped positioning frame 11, and the connecting groove 13 is compatible with the T-shaped mounting frame 14. By using the connecting groove 13 to be compatible with the T-shaped mounting frame 14, the extension base plate 15 and the L-shaped support plate 1 can be conveniently installed.

[0026] The working principle of the utility model is:

[0027] First, place the L-shaped support plate 1 inside the foundation pit and contact it with the inner wall of the foundation pit, and use the limiting ground nails to limit the position. At the same time, clamp multiple sets of U-shaped card plates 3 to the outer surfaces of the two T-shaped card plates 2. Then, place multiple sets of positioning rings 9 inside the U-shaped positioning frame 4 respectively, and pass the limiting screw 25 through the limiting hole 19 and the positioning ring 9. At the same time, use the fixing nut 26 to limit the position. Then, rotate the support screw barrel 6 to cooperate with the support screw 5 to reinforce the L-shaped support plate 1. If the foundation pit is high, slide the T-shaped positioning frame 11 into the connection The card slot 10 is inserted into the T-shaped mounting frame 14, and the multiple sets of U-shaped extension fixing frames 17 are respectively inserted into the outside of the two T-shaped extension fixing plates 16, and multiple fixing rings 22 are placed in the U-shaped support frame 18. Next, the limiting screw 25 is passed through the limiting hole 19 and the fixing ring 22 is fixed in conjunction with the fixing nut 26, and the extension screw barrel 21 is rotated to cooperate with the extension screw 20 to support and reinforce the extension guard plate 12 and the extension bottom plate 15. The above is the entire usage process of this device.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] 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 foundation pit support structure, characterized in that: The invention comprises an L-shaped support plate (1), wherein the right side surface of the L-shaped support plate (1) and the upper surface of the L-shaped support plate (1) are fixedly connected to a T-shaped card plate (2), each T-shaped card plate (2) is provided with a group of U-shaped card plates (3) on the outside, each U-shaped card plate (3) is fixedly connected to a U-shaped positioning frame (4) on the outer surface, and a group of support screws (5) are provided inside the L-shaped support plate (1), the outer surface of each support screw (5) is threadedly connected to a support screw barrel (6), and the outer surface of each support screw barrel (6) is The L-shaped support plate (1) is fixedly connected to a pressure bearing (7), the left side of each pressure bearing (7) and the right end of the support screw (5) are fixedly connected to a positioning ring (9), the upper surface of the L-shaped support plate (1) is provided with a connecting groove (10), the upper part of the L-shaped support plate (1) is provided with a T-shaped positioning frame (11), the upper surface of the T-shaped positioning frame (11) is fixedly connected to an extension guard plate (12), the right side of the L-shaped support plate (1) is provided with a connecting groove (13), and the right side of the L-shaped support plate (1) is provided with an extension bottom plate (15), the left side of the extension base plate (15) is fixedly connected to a T-shaped mounting frame (14), the upper surface of the extension base plate (15) and the right side of the extension guard plate (12) are fixedly connected to a T-shaped extension fixing plate (16), the outside of each T-shaped extension fixing plate (16) is provided with a U-shaped extension fixing frame (17), the outer surface of each U-shaped extension fixing frame (17) is fixedly connected to a U-shaped bearing frame (18), and the outer surface of each U-shaped bearing frame (18) and the outer surface of the U-shaped positioning frame (4) are fixedly connected. A limiting hole (19) is provided, a group of extension screws (20) are provided above the L-shaped support plate (1), the outer surface of each extension screw (20) is threadedly connected to an extension screw barrel (21), the outer surface of each extension screw barrel (21) is fixedly connected to a sealing bearing (8), the left side surface of each sealing bearing (8) and the right end of the extension screw (20) are fixedly connected to a fixing ring (22), and the outside of each U-shaped support frame (18) and the outside of the U-shaped positioning frame (4) are provided with a limiting screw (25).

2. A foundation pit support structure according to claim 1, characterized in that: The left side surface of the extended guard plate (12), the outer surface of the L-shaped support plate (1) and the bottom surface of the extended bottom plate (15) are all fixedly connected with an anti-skid pad (23), and the anti-skid pad (23) is made of rubber.

3. A foundation pit support structure according to claim 1, characterized in that: A fixing nut (26) is disposed outside each of the limiting screw rods (25), and each of the fixing nut (26) is matched with the limiting screw rod (25).

4. A foundation pit support structure according to claim 1, characterized in that: The inner side wall of the L-shaped support plate (1) is fixedly connected with a reinforcement block (24), and the bottom surface of the reinforcement block (24) is fixedly connected to the inner bottom wall of the L-shaped support plate (1).

5. A foundation pit support structure according to claim 1, characterized in that: Each of the U-shaped clamping plates (3) is matched with the T-shaped clamping plate (2), and each of the fixing ring (22), the positioning ring (9) and the limiting hole (19) is matched with the limiting screw (25).

6. A foundation pit support structure according to claim 1, characterized in that: Each of the T-shaped extension fixing plates (16) is matched with the U-shaped extension fixing frame (17), the connection slot (10) is matched with the T-shaped positioning frame (11), and the connection groove (13) is matched with the T-shaped mounting frame (14).

Images