Connecting piece for foundation pit supporting structure and foundation pit supporting structure

Abstract

The utility model discloses a connecting piece for a foundation pit supporting structure and the foundation pit supporting structure, and relates to the technical field of foundation pit supporting. The device comprises a connecting main beam, clamping frames are installed at the two ends of the connecting main beam, adjusting mechanisms are arranged between the clamping frames and the connecting main beam, adjusting assemblies comprise extension columns fixed to the side faces of the clamping frames, extension grooves are formed in the connecting main beam, and the extension columns are located in the extension grooves; and an adjusting assembly is arranged between the connecting main beam and the extension column. According to the supporting structure, the positions of the two clamping frames are adjusted through the adjusting structures, the clamping frames are connected with the supporting columns and fixed through the bolts, the connecting effect between the supporting structures on the opposite faces of the foundation pit can be improved through the supporting connecting pieces, the integrity of the supporting structures is improved, and then the supporting effect of the whole supporting structure can be improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of foundation pit support, in particular to a connecting piece for a foundation pit support structure and the foundation pit support structure. BACKGROUND

[0002] With the acceleration of urbanization, high-rise buildings and underground space development are increasing, the excavation depth of foundation pits is increasing, and foundation pit support is extremely important. When supporting the foundation pit, the inner wall and the bottom of the foundation pit need to be supported and protected by the foundation pit support structure.

[0003] The foundation pit support structure mentioned in the existing Chinese public patent (authorization announcement number: CN212452676U) includes a fixed pile, a support pile, a guard plate, a base plate and a support assembly. The fixed pile is arranged in the rock-soil layer at the bottom of the foundation pit. The support pile includes a pile body and a connecting seat arranged at the bottom of the pile body. The connecting seat is fixedly connected with the fixed pile. The guard plate is fixedly connected with the pile body. A plurality of drainage pieces are arranged on the guard plate. A drainage channel is arranged in the guard plate. A connecting column is arranged at the bottom of the guard plate. The base plate is fixed at the bottom of the foundation pit. The base plate is fixedly connected with the pile body. A connecting port for the connecting column is arranged on the base plate. A drainage cavity is arranged in the base plate. A connecting part and a connecting piece are respectively arranged on the opposite side walls of the base plate. The support assembly includes a plurality of parallel support inclined rods. Fixed plates are arranged at both ends of the support inclined rods. Fixed parts are arranged on the guard plate and the base plate. The above-mentioned foundation pit support system can strengthen the support of the rock-soil layer of the side wall of the foundation pit and timely drain water, thereby avoiding the collapse of the side wall of the foundation pit.

[0004] In the use process of the foundation pit support, the four walls of the foundation pit are usually supported, and the opposite faces of the foundation pit lack support. The overall performance of the entire foundation pit support is general. Due to the large pressure received by the inner wall of the foundation pit, the single-sided support structure of the inner wall of the foundation pit has a certain position deviation problem after being stressed, thereby affecting the supporting effect of the entire support structure. Practical new type content

[0005] The application aims to solve the problem that the single-sided support structure of the inner wall of the foundation pit has a certain position deviation problem after being stressed due to the large pressure received by the inner wall of the foundation pit, thereby affecting the supporting effect of the entire support structure. The application provides a connecting piece for a foundation pit support structure and the foundation pit support structure.

[0006] In order to achieve the above-mentioned purpose, the application specifically adopts the following technical scheme:

[0007] The utility model provides a connecting piece of foundation pit support structure, including connecting main beam, both ends of connecting main beam are equipped with the clamping frame, and the adjusting mechanism is arranged between clamping frame and connecting main beam, the adjusting mechanism includes the extension column of being fixed in the side surface of clamping frame, the extension groove is seted up in the inside of connecting main beam, the extension column is located in the inside of extension groove, and the adjusting assembly is arranged between connecting main beam and extension column.

[0008] Through the above technical scheme, when installing, the extension column is driven to move through the adjusting assembly, so that the position of the clamping frame is adjusted, and then the installation is carried out, thereby improving the use effect of the connecting piece.

[0009] Further, the adjusting assembly includes a fixed block fixed in the inside of the connecting main beam, an adjusting column rotatably connected to the fixed block, two threads with opposite directions provided on the adjusting column, and the adjusting column is threadedly connected with the extension column.

[0010] Through the above technical scheme, the movement of the two extension columns can be realized by rotating the adjusting column, thereby playing a role in adjusting the clamping frame.

[0011] Further, an adjusting rod is rotatably connected to the connecting main beam, the adjusting rod extends into the inside of the extension groove and is fixed with a bevel gear one, and the adjusting column is fixed with a bevel gear two engaged with the bevel gear one.

[0012] Through the above technical scheme, the rotation of the adjusting rod can drive the bevel gear one and the bevel gear two to rotate, thereby playing a role in driving the rotation of the adjusting column

[0013] Further, a driving rod is rotatably connected to the connecting main beam, a driving gear is fixed on the driving rod, a handle is fixed on the end of the driving rod, a driven gear engaged with the driving gear is provided on the adjusting rod, and the diameter of the driving gear is greater than the diameter of the driven gear.

[0014] Through the above technical scheme, by twisting the handle, the driving gear drives the driven gear, thereby driving the rotation of the driving gear, playing a role in driving the adjusting rod, and since the diameter of the driving gear is greater than the diameter of the driven gear, the driving of the adjusting column can be facilitated.

[0015] Further, an active slot is provided between the clamping frame and the extension column, a reinforcing spring is fixed in the inside of the active slot, a reinforcing block is fixed on the end of the reinforcing spring, and the reinforcing block is movably arranged between the active slot.

[0016] Through the above technical scheme, when installing the clamping frame, the reinforcing block cooperates with the reinforcing spring, thereby improving the installation effect of the connecting main beam.

[0017] Further, a reinforcing plate is fixed on the side surface of the reinforcing block, and the surface of the reinforcing plate is rough.

[0018] By adopting the technical scheme, the reinforcing plate can improve the installation effect of the clamping frame.

[0019] The foundation pit supporting structure is suitable for the connecting piece of the foundation pit supporting structure, and comprises a supporting column arranged in the clamping frame, wherein the supporting column is connected with the clamping frame through bolts, a supporting plate is arranged at the lower end of the supporting column, an inclined bracing column is arranged between two adjacent supporting plates, a sharp part is arranged at the bottom of the supporting plate, and a cross bracing pipe is arranged between two adjacent supporting columns.

[0020] By adopting the technical scheme, the supporting column and the supporting bottom plate can support the foundation pit.

[0021] Further, a connecting column is arranged at the upper end of the supporting bottom plate, a connecting groove is arranged at the position corresponding to the connecting column at the lower end of the supporting column, the column is arranged in the connecting groove, and the connecting column and the supporting column are fixed through bolts.

[0022] By adopting the technical scheme, the connecting column can fix the supporting column and position the supporting column.

[0023] In summary, the present application has at least one beneficial effect as follows:

[0024] 1. The position of the two clamping frames is adjusted through the adjusting structure, the clamping frames are connected with the supporting column, and the clamping frames are fixed through bolts, so that the connecting effect between the foundation pit opposite surfaces supporting structures is improved through the supporting connecting piece, the integrity of the supporting structure is improved, and the supporting effect of the entire supporting structure is improved.

[0025] 2. When the connecting main beam is installed, the position of the clamping frame needs to be adjusted, the handle is twisted to drive the driving rod to rotate, and the adjusting column is rotated through the cooperation of the driving gear, the driven gear, the bevel gear one, the bevel gear two and other structures, the extension column is stressed when the adjusting column rotates, and is limited by the extension groove, at this time, the two extension columns are close to or away from each other, the position of the clamping frame is adjusted, the clamping frame is tightly connected with the supporting column, and the supporting effect of the connecting main beam is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a perspective view of the connecting piece and the supporting structure in the present application;

[0027] Figure 2 is a partial sectional view of the connecting piece in the present application;

[0028] Figure 3 is an enlarged view of A in the present application; Figure 2

[0029] ​Figure 4 is the application Figure 2 enlarged schematic view at B;

[0030] Figure 5 is the application Figure 2 enlarged schematic view at C.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 1, connecting girder; 2, clamping frame; 3, extension groove; 4, extension column; 5, fixed block; 6, adjusting column; 7, adjusting rod; 8, bevel gear one; 9, bevel gear two; 10, drive rod; 11, driving gear; 12, driven gear; 13, handle; 14, movable slot; 15, reinforcing spring; 16, reinforcing block; 17, reinforcing plate; 18, support column; 19, support plate; 20, inclined strut column; 21, sharp part; 22, cross strut tube; 23, connecting column. DETAILED DESCRIPTION

[0033] The following will be combined with the Figures 1-5 The application is further described in detail.

[0034] The application embodiment discloses a connecting piece for foundation pit support structure and the foundation pit support structure.

[0035] Referring to Figure 1 and Figure 3 , the connecting piece for foundation pit support structure comprises a connecting girder 1, clamping frames 2 are installed at both ends of the connecting girder 1, an adjusting mechanism is arranged between the clamping frame 2 and the connecting girder 1, the adjusting mechanism comprises an extension column 4 fixed on the side of the clamping frame 2, an extension groove 3 is formed in the inside of the connecting girder 1, the extension column 4 is located in the inside of the extension groove 3, and an adjusting assembly is arranged between the connecting girder 1 and the extension column 4.

[0036] The adjusting assembly comprises a fixed block 5 fixed in the inside of the connecting girder 1, an adjusting column 6 is rotatably connected to the fixed block 5, two threads with opposite directions are arranged on the adjusting column 6, and the adjusting column 6 is threadedly connected with the extension column 4.

[0037] The adjusting column 6 is rotatably connected to the connecting girder 1, the adjusting column 6 extends into the inside of the extension groove 3 and is fixed with a bevel gear one 8, and the adjusting column 6 is fixed with a bevel gear two 9 engaged with the bevel gear one 8.

[0038] In addition, a drive rod 10 is rotatably connected to the connecting girder 1, a driving gear 11 is fixed on the drive rod 10, a handle 13 is fixed on the end of the drive rod 10, a driven gear 12 engaged with the driving gear 11 is arranged on the adjusting rod 7, and the diameter of the driving gear 11 is greater than the diameter of the driven gear 12.

[0039] When the connecting beam 1 needs to be installed on the supporting structure, the position of the clamping frame 2 needs to be adjusted first. When adjusting, the handle 13 is screwed to drive the driving rod 10 to rotate, the driving rod 10 drives the driving gear 11 to rotate, the driving gear 11 drives the driven gear 12 to rotate, the driven gear 12 drives the adjusting rod 7 to rotate, the adjusting rod 7 drives the bevel gear one 8 to rotate, thereby driving the bevel gear two 9 fixed on the adjusting column 6 to rotate, and the adjusting column 6 rotates, the extension column 4 is stressed and limited by the extension slot 3, at this time, the two extension columns 4 are close to or away from each other, and the position of the clamping frame 2 is adjusted.

[0040] With reference to Figure 2 and Figure 4 , the clamping frame 2 and the extension column 4 are provided with a movable slot 14, the movable slot 14 is internally fixed with a reinforcing spring 15, the reinforcing spring 15 is fixed with a reinforcing block 16, and the reinforcing block 16 is movably arranged between the movable slot 14.

[0041] The reinforcing block 16 is fixed with a reinforcing plate 17 on the side surface, and the surface of the reinforcing plate 17 is rough.

[0042] When the clamping frame 2 is installed, the reinforcing plate 17 is stressed, so that the reinforcing block 16 is stressed and the reinforcing spring 15 is extruded, thereby improving the connection effect between the clamping frame 2 and the supporting structure.

[0043] With reference to Figure 1 and Figure 2 , the foundation pit supporting structure comprises a supporting column 18 arranged in the clamping frame 2, characterized in that: the supporting column 18 and the clamping frame 2 are connected by bolts, the supporting column 18 is provided with a supporting plate at the lower end, the adjacent two supporting plates 19 are fixed with a diagonal bracing column 20, the supporting plate is fixed with a sharp part 21 at the bottom, and the adjacent two supporting columns are fixed with a cross bracing pipe 22.

[0044] The supporting bottom plate is fixed with a connecting column 23 at the upper end, the supporting column 18 is provided with a connecting slot at the position corresponding to the connecting column 23, the column is arranged in the connecting slot, and the connecting column 23 and the supporting column 18 are fixed by bolts.

[0045] When the supporting structure is used to support the foundation pit, the bottom plate is placed in the foundation pit, the sharp part 21 at the bottom is inserted into the bottom of the foundation pit, then the supporting column 18 is inserted on the connecting column 23 and fixed by bolts, then the supporting column 18 is nailed on the inner wall of the foundation pit, and then the connecting piece is connected with the supporting column 18.

[0046] Working principle: when the connecting piece and the supporting structure are used to support the foundation pit, the bottom plate is placed inside the foundation pit, and the sharp part 21 at the bottom is inserted into the bottom of the foundation pit, then the supporting column 18 is inserted on the connecting column 23 and fixed by bolts, then the supporting column 18 is nailed on the inner wall of the foundation pit, then the connecting main beam 1 needs to be installed on the corresponding two supporting columns 18, before installation, adjust the position of the clamping frame 2, when adjusting, turn the handle 13, so that the handle 13 drives the driving rod 10 to rotate, the driving rod 10 rotates and drives the driving gear 11 to rotate, the driving gear 11 rotates and drives the driven gear 12 to rotate, the driven gear 12 rotates and drives the adjusting rod 7 to rotate, the adjusting rod 7 rotates and drives the bevel gear one 8 to rotate, so as to drive the bevel gear two 9 fixed on the adjusting column 6 to rotate, and then make the adjusting column 6 rotate, when the adjusting column 6 rotates, the extension column 4 is stressed and limited by the extension slot 3, at this time, the two extension columns 4 are close to or away from each other, so that the distance between the two clamping frames 2 is equal to the distance between the corresponding two supporting columns 18, then the connecting cross beam is placed between the corresponding two supporting columns 18, so that the clamping frame 2 is connected with the supporting column 18, when the clamping frame 2 is connected with the supporting column 18, the supporting column 18 will abut against the reinforcing plate 17, so that the reinforcing plate 17 extrudes the reinforcing block 16 and the reinforcing spring 15, the reinforcing plate 17, the reinforcing block 16 and the reinforcing spring 15 can realize the pre-fixing and improve the fixing effect of the connecting main beam 1, then the supporting column 18 and the clamping frame 2 are fixed by bolts.

Claims

1. A connection of a foundation pit support structure, comprising a connection main beam (1), characterized in that: The connecting main beam (1) is provided with a clamping frame (2) at both ends, and an adjusting mechanism is arranged between the clamping frame (2) and the connecting main beam (1), the adjusting mechanism comprises an extension column (4) arranged on the side of the clamping frame (2), the connecting main beam (1) is provided with an extension groove (3) inside, the extension column (4) is located inside the extension groove (3), and an adjusting assembly is arranged between the connecting main beam (1) and the extension column (4).

2. A connection for a foundation pit support structure according to claim 1, characterised in that: The adjusting assembly comprises a fixed block (5) fixed in the connecting main beam (1), the fixed block (5) is rotatably connected with an adjusting column (6), the adjusting column (6) is provided with two threads with opposite directions, and the adjusting column (6) is in threaded connection with the extension column (4).

3. A connection for a foundation pit support structure according to claim 2, characterised in that: The connecting main beam (1) is rotatably connected with an adjusting rod (7), the adjusting rod (7) extends into the extension groove (3) and is fixed with a bevel gear one (8), and the adjusting column (6) is fixed with a bevel gear two (9) engaged with the bevel gear one (8).

4. A connection for a foundation pit support structure according to claim 3, characterised in that: The connecting main beam (1) is rotatably connected with a driving rod (10), the driving rod (10) is fixed with a driving gear (11), the end of the driving rod (10) is fixed with a handle (13), the adjusting rod (7) is provided with a driven gear (12) engaged with the driving gear (11), and the diameter of the driving gear (11) is greater than that of the driven gear (12).

5. The tieback of a foundation pit support structure according to claim 1, wherein: The clamping frame (2) and the extension column (4) are provided with a movable groove (14), the movable groove (14) is fixed with a reinforcing spring (15), the reinforcing spring (15) is fixed with a reinforcing block (16) at the end, and the reinforcing block (16) is movably arranged between the movable groove (14).

6. A connection for a foundation pit support structure according to claim 5, characterised in that: The reinforcing block (16) is fixed with a reinforcing plate (17) on the side, and the surface of the reinforcing plate (17) is rough.

7. A foundation pit support structure, suitable for a connection of a foundation pit support structure according to any one of the preceding claims 1 - 6, comprising a support column (18) arranged inside the clamping frame (2), characterized in that: The supporting column (18) and the clamping frame (2) are connected through bolts, the supporting column (18) is provided with a supporting plate (19) at the lower end, the supporting plate (19) is fixed with an inclined support column (20) between adjacent two supporting plates (19), the supporting plate (19) is provided with a sharp part (21) at the bottom, and the supporting plate (19) is provided with a horizontal support pipe (22) between adjacent two supporting columns.

8. A foundation pit retaining structure according to claim 7, wherein: The supporting plate (19) is fixed with a connecting column (23) at the upper end, the supporting column (18) is provided with a connecting groove at the position corresponding to the connecting column (23), the connecting column (23) is located in the connecting groove, and the connecting column (23) and the supporting column (18) are fixed through bolts.

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