Safety supporting structure for building foundation pit

Abstract

The utility model relates to the technical field of foundation pit supporting, in particular to a building foundation pit safety supporting structure which comprises a first supporting plate, a first supporting plate and a second supporting plate, four sets of first limiting cylinders are symmetrically connected to the front face and the back face of the first supporting plate, and the other end of a second hinge is connected with the second supporting plate. Second limiting cylinders are symmetrically connected to the front face and the back face of the second supporting plate, and second positioning shafts are movably connected into the second limiting cylinders in a penetrating mode. According to the utility model, parts such as the first limiting cylinder and the second limiting cylinder are arranged, and after the second positioning shaft movably penetrates through the interiors of the first limiting cylinder and the second limiting cylinder respectively, the first supporting plate and the second supporting plate which are combined can be movably connected at a fixed point; the use angle of the safety supporting structure can be conveniently adjusted according to the radian of the inner wall of the foundation pit, the first supporting plate and the second supporting plate are attached to the radian of the inner wall of the foundation pit as much as possible, and the applicability and the supporting effect of safety supporting are improved.

Description

Technical Field

[0001] The present application relates to the technical field of foundation pit support, and in particular to a safety support structure for a building foundation pit. Background Art

[0002] The foundation pit is an earth pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. Before excavation, the excavation plan should be determined based on geological and hydrological data and the conditions of nearby buildings on site, and waterproofing and drainage work should be done well. The foundation pit support is a support, reinforcement and protection measure for the side walls of the foundation pit and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.

[0003] Through searching, Chinese patent announcement number CN214530692U discloses a safety support structure for a building foundation pit, including a support bottom plate and a support side plate, one end of the support side plate is hinged to the support bottom plate, a slide groove is provided on the support bottom plate, a connecting plate is slidably connected in the slide groove, an oblique support is hinged on the connecting plate, one end of the oblique support away from the connecting plate is hinged to the support side plate, and a driving member for driving the connecting plate to slide in the slide groove is provided on the support bottom plate. This application has the effect of adapting to supports at different angles.

[0004] With respect to the above-mentioned related technologies, the inventors found the following defects: the safety support structure of the building foundation pit has low applicability, and it is not convenient to adjust the use angle of the safety support structure according to the shape of the inner wall of the foundation pit. When the side wall of the foundation pit is curved, multiple supporting side plates are required to support the side wall of the foundation pit. The setting of multiple supporting side plates cannot achieve effective support for the curved side wall of the foundation pit, thereby reducing the supporting effect for the side walls of the foundation pit with different shapes. Utility Model Content

[0005] In order to solve the technical problem that the safety support structure of a building foundation pit has low applicability and it is inconvenient to adjust the use angle of the safety support structure according to the shape of the inner wall of the foundation pit, the present application provides a safety support structure for a building foundation pit.

[0006] A building foundation pit safety support structure provided in the present application adopts the following technical scheme: a building foundation pit safety support structure, comprising a No. 1 support plate, a No. 1 support plate and a No. 2 support plate, the top of the No. 1 support plate is connected to a No. 1 hinge, and the other end of the No. 1 hinge is connected to one side of the No. 1 support plate, the front and back sides of the No. 1 support plate are symmetrically connected with four groups of No. 1 limiting cylinders, the top of the No. 2 support plate is connected to a No. 2 hinge, the other end of the No. 2 hinge is connected to the No. 2 support plate, the front and back sides of the No. 2 support plate are symmetrically connected with a No. 2 limiting cylinder, the interior of the No. 2 limiting cylinder is movably penetrated and connected with a No. 2 positioning shaft, and the No. 2 positioning shaft movably penetrates the interior of the No. 1 limiting cylinder.

[0007] Optionally, the bottom end of the No. 1 support plate is connected with an insertion rod, and the insertion rods are symmetrically arranged in two groups.

[0008] Optionally, one side of the No. 1 support plate is provided with a positioning groove, and a plurality of groups of the positioning grooves are symmetrically provided.

[0009] Optionally, two groups of mounting plates are symmetrically connected to the top of the No. 1 support plate, and the mounting plates are located on one side of the No. 1 hinge. A threaded rod is movably connected inside the mounting plate, and one end of the threaded rod is movably connected to the other group of mounting plates at a fixed point, and one end of the threaded rod is connected to a turntable.

[0010] Optionally, a guide rod is connected inside the mounting plate, a connecting block is movably connected outside the guide rod, and the connecting block is threadedly connected to the threaded rod.

[0011] Optionally, a top end of the connection block is movably connected to a storage shell at a fixed point, a through hole No. 1 is penetrated through one side of the storage shell, and a positioning shaft No. 1 is movably connected inside the through hole No. 1.

[0012] Optionally, a telescopic rod is movably engaged inside the storage shell, and a plurality of groups of No. 2 through holes are formed through the inside of the telescopic rod.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. The utility model is provided with components such as a No. 1 limit cylinder and a No. 2 limit cylinder. The No. 1 limit cylinder is symmetrically connected and installed on the front and back sides of the No. 1 support plate through four groups. The No. 2 limit cylinder is symmetrically arranged on the front and back sides of the No. 2 support plate. After the No. 2 positioning shaft is movably passed through the interiors of the No. 1 limit cylinder and the No. 2 limit cylinder respectively, the combined No. 1 support plate and the No. 2 support plate can be movably connected at a fixed point, which is convenient for adjusting the use angle of the safety support structure according to the curvature of the inner wall of the foundation pit, so that the No. 1 support plate and the No. 2 support plate are as close to the curvature of the inner wall of the foundation pit as possible, thereby improving the applicability and supporting effect of the safety support.

[0015] 2. The utility model is provided with components such as positioning grooves and connecting blocks, and a No. 1 positioning shaft movably penetrates the interior of the No. 1 through hole and the No. 2 through hole, so as to position the telescopic rod after the use length is adjusted inside the storage shell, determine the overall use length of the telescopic rod and the storage shell, and adjust the use angles of the No. 1 support plate and the No. 2 support plate by connecting one end of the telescopic rod with the positioning groove and rotating the threaded rod, so that the safety support structure is suitable for support at different angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the present application;

[0017] Figure 2 This is a schematic diagram of the structure of the No. 1 support plate in the embodiment of the present application;

[0018] Figure 3 It is a structural schematic diagram of the No. 2 support plate in the embodiment of the present application;

[0019] Figure 4 It is a schematic diagram of the structure at A in the embodiment of the present application;

[0020] Figure 5 It is a schematic diagram of the structure of the storage shell in the embodiment of the present application.

[0021] Figure numerals: 1. Support plate No. 1; 2. Insert rod; 3. Hinge No. 1; 4. Support plate No. 1; 5. Limit cylinder No. 1; 6. Positioning groove; 7. Mounting plate; 8. Threaded rod; 9. Turntable; 10. Guide rod; 11. Storage shell; 12. Through hole No. 1; 13. Positioning shaft No. 1; 14. Telescopic rod; 15. Through hole No. 2; 16. Support plate No. 2; 17. Hinge No. 2; 18. Support plate No. 2; 19. Limit cylinder No. 2; 20. Positioning shaft No. 2; 21. Connecting block. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1 —5 further describes this application in detail.

[0023] The present application embodiment discloses a building foundation pit safety support structure. Figure 1-5 As shown, it includes support plate No. 1, supporting plate No. 4 and support plate No. 2 16. The top of support plate No. 1 is connected to hinge No. 3, and the other end of hinge No. 3 is connected to one side of supporting plate No. 4. Support plate No. 1 is one of the main supporting components of the building foundation pit safety support structure. Support plate No. 1 provides an installation support position for the top supporting component. Support plate No. 1 and supporting plate No. 4 are respectively connected through two ends of hinge No. 3, so as to facilitate the adjustment of the use angle between support plate No. 1 and supporting plate No. 4.

[0024] Four groups of No. 1 limiting cylinders 5 are symmetrically connected to the front and back sides of the No. 1 supporting plate 4. The No. 1 limiting cylinder 5 is installed on the front and back sides of the No. 1 supporting plate 4 through four symmetrical connections. The No. 1 limiting cylinder 5 is used to provide a movable through-connection position for the No. 2 positioning shaft 20.

[0025] See also Figure 1 , Figure 2 and Figure 3The top of the No. 2 support plate 16 is connected with a No. 2 hinge 17, which is one of the main supporting components of the building foundation pit safety support structure, and the No. 2 support plate 16 has the same outer dimensions as the No. 1 support plate 1. The setting of the No. 2 hinge 17 facilitates the adjustment of the use angle of the No. 2 support plate 16 and the No. 2 supporting plate 18. The other end of the No. 2 hinge 17 is connected with the No. 2 supporting plate 18, which supports the side wall of the foundation pit. The front and back sides of the No. 2 support plate 18 are symmetrically connected with a No. 2 limiting cylinder 19, and the interior of the No. 2 limiting cylinder 19 is movably connected with a No. 2 positioning shaft 20, and the No. 2 positioning shaft 20 movably passes through the interior of the No. 1 limiting cylinder 5.

[0026] The front and back sides of the No. 2 support plate 18 are symmetrically arranged through the No. 2 limit cylinder 19. When the two groups of No. 1 limit cylinders 5 symmetrically arranged with the No. 1 support plate 4 are connected inside, after the No. 1 limit cylinder 5 and the No. 2 limit cylinder 19 are moved through the No. 2 positioning shaft 20 respectively, the combined No. 1 support plate 4 and No. 2 support plate 18 can be connected at a fixed point, so as to adjust the use angle of the safety support structure according to the curvature of the inner wall of the foundation pit, so that the No. 1 support plate 4 and the No. 2 support plate 18 can fit the curvature of the inner wall of the foundation pit as much as possible, thereby improving the applicability of the safety support.

[0027] See also Figure 2 The bottom end of the No. 1 support plate 1 is connected with an insertion rod 2, and two groups of the insertion rods 2 are symmetrically arranged. The insertion rods 2 are symmetrically arranged at the bottom end of the No. 1 support plate 1, and the No. 1 insertion rod 2 can position the safety support structure at the use position inside the foundation pit.

[0028] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The inside of the mounting plate 7 is connected to a guide rod 10, and the outside of the guide rod 10 is movably connected to a connecting block 21, and the connecting block 21 is threadedly connected with the threaded rod 8. The guide rod 10 movably penetrates the inside of the connecting block 21, and the guide rod 10 can assist in limiting the linear movement of the connecting block 21. Then, the connecting block 21 is threadedly connected with the threaded rod 8, and the use position of the connecting block 21 can be adjusted by rotating the threaded rod 8.

[0029] See also Figure 2 A positioning groove 6 is provided on one side of the No. 1 support plate 4, and a plurality of positioning grooves 6 are symmetrically provided. The positioning grooves 6 are symmetrically provided on one side of the No. 1 support plate 4, and the positioning grooves 6 are used to connect and support with one end of the telescopic rod 14.

[0030] See also Figure 2 and Figure 4Two groups of mounting plates 7 are symmetrically connected to the top of the No. 1 support plate 1, and the mounting plate 7 is located on one side of the No. 1 hinge 3. The mounting plate 7 is used to provide mounting support for the threaded rod 8 and the guide rod 10. The internal movement of the mounting plate 7 is connected with the threaded rod 8, and one end of the threaded rod 8 is connected to the other group of mounting plates 7 at a fixed point. One end of the threaded rod 8 is connected to a turntable 9, which is movably connected to the top of the threaded rod 8 and is installed on one side of the mounting plate 7. By applying a rotational force to the turntable 9, the threaded rod 8 can be rotated at a fixed point inside the mounting plate 7.

[0031] See also Figure 2 and Figure 5 The storage shell 11 is internally engaged and movably connected with a telescopic rod 14, and the telescopic rod 14 is installed inside the storage shell 11 by engaging and movably connecting, so that the use position of the telescopic rod 14 inside the storage shell 11 can be adjusted according to the use requirements. A plurality of groups of No. 2 through holes 15 are formed inside the telescopic rod 14, and the No. 2 through holes 15 are connected with the No. 1 positioning shaft 13 by being engaged, so as to position the telescopic rod 14 after the use position is adjusted.

[0032] See also Figure 5 The top of the connecting block 21 is movably connected to a storage shell 11 at a fixed point. The storage shell 11 is in the shape of a rectangular shell. The storage shell 11 can store a certain length of the telescopic rod 14. A No. 1 through hole 12 is penetrated on one side of the storage shell 11. A No. 1 positioning shaft 13 is movably connected inside the No. 1 through hole 12 and the No. 2 through hole 15. The telescopic rod 14 after adjusting the length of use inside the storage shell 11 can be positioned.

[0033] The implementation principle of a building foundation pit safety support structure in the embodiment of the present application is as follows: first, the first support plate 1 and the second support plate 16 are positioned inside the foundation pit by the insertion rod 2, and the use position of the telescopic rod 14 inside the storage shell 11 is adjusted, and the first positioning shaft 13 is movable through the first through hole 12 and the second through hole 15, so that the telescopic rod 14 after the use length is adjusted inside the storage shell 11 can be positioned, and the overall use length of the telescopic rod 14 and the storage shell 11 is determined, so that one end of the telescopic rod 14 is connected with the positioning groove 6 by locking, and by applying a rotating force to the turntable 9, the threaded rod 8 can be rotated at a fixed point inside the mounting plate 7, and the use position of the connecting block 21 can be adjusted by rotating the threaded rod 8, so that the adjusted telescopic rod 14 and the storage shell 11 can support the first support plate 4 by locking, and the inner wall of the foundation pit is safely supported;

[0034] Finally, the No. 1 limiting cylinder 5 is symmetrically connected in four groups and installed on the front and back sides of the No. 1 supporting plate 4, and the No. 2 limiting cylinder 19 is symmetrically arranged on the front and back sides of the No. 2 supporting plate 18. After the No. 2 positioning shaft 20 is movable through the interior of the No. 1 limiting cylinder 5 and the No. 2 limiting cylinder 19 respectively, the combined No. 1 supporting plate 4 and the No. 2 supporting plate 18 can be connected at a fixed point, so as to adjust the use angle of the safety support structure according to the curvature of the inner wall of the foundation pit, so that the No. 1 supporting plate 4 and the No. 2 supporting plate 18 can fit the curvature of the inner wall of the foundation pit as much as possible, thereby improving the applicability and supporting effect of the safety support.

[0035] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A building foundation pit safety support structure, comprising a first support plate (1), a first support plate (4) and a second support plate (16), characterized in that: The top of the No. 1 support plate (1) is connected to a No. 1 hinge (3), and the other end of the No. 1 hinge (3) is connected to one side of the No. 1 support plate (4); the front and back sides of the No. 1 support plate (4) are symmetrically connected with four groups of No. 1 limiting cylinders (5); the top of the No. 2 support plate (16) is connected to a No. 2 hinge (17), and the other end of the No. 2 hinge (17) is connected to the No. 2 support plate (18); the front and back sides of the No. 2 support plate (18) are symmetrically connected with a No. 2 limiting cylinder (19); the interior of the No. 2 limiting cylinder (19) is movably penetrated and connected with a No. 2 positioning shaft (20), and the No. 2 positioning shaft (20) movably penetrates the interior of the No. 1 limiting cylinder (5).

2. A construction foundation pit safety support structure according to claim 1, characterized in that: The bottom end of the No. 1 support plate (1) is connected to an insertion rod (2), and the insertion rods (2) are symmetrically arranged in two groups.

3. A construction foundation pit safety support structure according to claim 1, characterized in that: One side of the No. 1 support plate (4) is provided with a positioning groove (6), and a plurality of groups of positioning grooves (6) are symmetrically provided.

4. A construction foundation pit safety support structure according to claim 1, characterized in that: Two groups of mounting plates (7) are symmetrically connected to the top of the No. 1 support plate (1), and the mounting plate (7) is located on one side of the No. 1 hinge (3). A threaded rod (8) is movably connected inside the mounting plate (7), and one end of the threaded rod (8) is movably connected to the other group of mounting plates (7) at a fixed point, and one end of the threaded rod (8) is connected to a turntable (9).

5. A construction foundation pit safety support structure according to claim 4, characterized in that: The interior of the mounting plate (7) is connected to a guide rod (10), the outer side of the guide rod (10) is movably connected to a connecting block (21), and the connecting block (21) is threadedly connected to the threaded rod (8).

6. A construction foundation pit safety support structure according to claim 5, characterized in that: The top end of the connection block (21) is movably connected to a storage shell (11) at a fixed point, a first through hole (12) is formed through one side of the storage shell (11), and a first positioning shaft (13) is movably connected inside the first through hole (12).

7. A construction foundation pit safety support structure according to claim 6, characterized in that: A telescopic rod (14) is movably engaged inside the storage shell (11), and a plurality of groups of No. 2 through holes (15) are formed through the interior of the telescopic rod (14).

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