Foundation pit supporting structure for sand gravel geology

Abstract

The utility model provides a sand gravel geology foundation pit supporting structure, and relates to the field of foundation pit supporting. The drainage device comprises two supporting plates, supporting assemblies are arranged on the supporting plates, drainage assemblies are arranged on the supporting plates, each supporting assembly comprises a supporting cylinder, a supporting rod and a supporting plate, a containing groove is formed in each supporting plate, the supporting cylinders are installed in the containing grooves in a hinged mode, one ends of the supporting rods are in threaded connection with the interiors of the supporting cylinders, and the other ends of the supporting rods are hinged to the supporting plates; a linkage assembly is arranged between the drainage assembly and the supporting cylinder. The foundation pit has the effect that the foundation pit is not prone to collapse.

Description

Technical Field

[0001] The present application relates to the field of foundation pit support, and in particular to a gravel geological foundation pit support structure. 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; the support is the support, reinforcement and protection measures adopted for the side walls and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.

[0003] At present, in the relevant technology, a Chinese patent document with authorization announcement number CN206328765U discloses a deep foundation pit drainage structure, including an outer wall of a deep foundation pit, an inner wall concrete waterproof layer is arranged inside the outer wall of the deep foundation pit, and an inner supporting steel pipe of the deep foundation pit is arranged inside the outer wall of the deep foundation pit near the outside of the inner wall concrete waterproof layer, an internal water guide trough is arranged at the connection position of the deep foundation pit internal supporting steel pipe and the inner wall concrete waterproof layer, a foundation pit bottom concrete waterproof foundation is arranged below the inner part of the outer wall of the deep foundation pit, and an underground water storage chute is arranged below the outer wall of the deep foundation pit near the inside of the foundation pit bottom concrete waterproof foundation.

[0004] However, in the above technology, the accumulated water in the water storage tank is pumped out by a drainage pump to complete the drainage of the foundation pit. Generally, the bottom of the foundation pit is drained, and the side walls of the foundation pit are not drained. Once the groundwater level is higher than the bottom of the foundation pit, the side walls of the foundation pit are prone to withstand greater lateral pressure and easily cause the side walls of the foundation pit to collapse. Utility Model Content

[0005] In order to improve the problems existing in the above-mentioned technologies, the present application provides a gravel geological foundation pit support structure.

[0006] This application provides a gravel geological foundation pit support structure, which adopts the following technical solutions:

[0007] A gravel geological foundation pit support structure comprises: two support plates, support assemblies are arranged on the support plates, drainage assemblies are arranged on the support plates, the support assemblies comprise: a support tube, a support rod and a support plate, a storage groove is opened on the support plate, the support tube is hingedly installed in the storage groove, one end of the support rod is threadedly connected in the support tube, and the other end is hinged to the support plate, and a linkage assembly is arranged between the drainage assembly and the support tube.

[0008] By adopting the above technical solution, when the support tube is flipped out of the storage groove, the linkage assembly is operated and drives the drainage assembly to be inserted into the side wall of the foundation pit, so that the side wall of the foundation pit can be effectively drained to prevent the side wall of the foundation pit from collapsing.

[0009] Optionally, the drainage assembly includes: a drain pipe and a plug tip, a water inlet cavity is opened on the support plate, a drain hole and a clearance hole connected to the water inlet cavity are opened on the support plate, one end of the drain pipe is arranged in the water inlet cavity, and the other end is arranged in the clearance hole, and the plug tip is fixed to the drain pipe, and a plurality of water inlet holes are opened through the drain pipe.

[0010] By adopting the above technical solution, when the support tube is flipped out of the storage groove, the linkage assembly is operated and drives the drainage pipe to be inserted into the side wall of the foundation pit, so that the side wall of the foundation pit can be effectively drained to prevent the side wall of the foundation pit from collapsing.

[0011] Optionally, the linkage assembly includes: a driving part, a transmission part and a pushing part, the driving part is arranged between the support tube and the inner wall of the water inlet chamber, the transmission part is arranged between the driving part and the inner wall of the water inlet chamber, and the pushing part is arranged between the transmission part and the drain pipe.

[0012] By adopting the above technical solution, when the support tube is flipped out of the storage groove, the driving part drives the transmission part and the pushing part to operate in turn, and the pushing part pushes the drainage pipe to be inserted into the side wall of the foundation pit.

[0013] Optionally, the driving part includes: a rack, a driving gear and a driven gear, a connecting hole is provided between the storage groove and the water inlet chamber, the driving gear is rotatably installed in the water inlet chamber, the driven gear is connected to the transmission part, and the driving gear is meshed with the driving gear, one end of the rack is hinged to the support tube, and the other end is passed through the connecting hole and extends into the water inlet chamber, and the rack is meshed with the driving gear.

[0014] By adopting the above technical solution, when the support tube is flipped outside the storage groove, the rack moves outside the water inlet chamber to drive the driving gear to drive the driven gear to rotate. The rotation of the driven gear can drive the transmission part to operate; the operation of the transmission part can drive the pushing part to push the drainage pipe to insert into the side wall of the foundation pit.

[0015] Optionally, the transmission part includes: a transmission rod, a transmission gear and a rotating gear, the transmission rod is rotatably installed in the water inlet chamber, and the driven gear and the transmission gear are coaxially sleeved on the transmission rod, the rotating gear is connected to the pushing part, and the transmission gear is meshed with the transmission gear.

[0016] By adopting the above technical solution, when the driven gear rotates, the driven gear can drive the transmission rod, the transmission gear and the rotating gear to rotate in sequence, and the rotation of the rotating gear can drive the pushing part to push the drainage pipe to insert into the side wall of the foundation pit.

[0017] Optionally, the pushing part includes: a screw rod and a pushing block, the pushing block is fixed on the drain pipe, and a threaded hole is provided on the pushing block, one end of the screw rod is rotatably installed in the water inlet chamber, and the other end is threadedly connected to the threaded hole, and the rotating gear is coaxially sleeved on the screw rod.

[0018] By adopting the above technical solution, when the rotating gear rotates, the rotating gear can drive the screw to rotate, and the rotation of the screw will push the pushing block so that the drainage pipe can be inserted into the side wall of the foundation pit.

[0019] Optionally, the drainage component further includes: a retaining net and a mesh plate, and the retaining net and the mesh plate are both fixed in the water inlet hole.

[0020] By adopting the above technical solution, the retaining net can block the soil so that the soil is not easy to enter the drainage pipe; the mesh plate is used to support the retaining net.

[0021] Optionally, a connecting groove is formed on one of the supporting plates, a protrusion is provided on the other supporting plate, and the protrusion is disposed in the connecting groove, and a sealing gasket is fixedly disposed on the protrusion.

[0022] By adopting the above technical solution, during support, the support plate with the connecting groove is placed first, and then the support plate with the protrusion is lifted and lowered so that the protrusion is inserted into the connecting groove, thereby completing the connection of the two support plates to improve the integrity and better support the side wall of the foundation pit.

[0023] In summary, the present application includes at least one of the following beneficial effects:

[0024] 1. When the support tube is flipped out of the storage groove, the linkage assembly starts to operate and drives the drainage assembly to be inserted into the side wall of the foundation pit, so that the side wall of the foundation pit can be effectively drained to prevent the side wall of the foundation pit from collapsing.

[0025] 2. The retaining net can block the soil so that it is not easy for the soil to enter the drainage pipe; the mesh plate is used to support the retaining net.

[0026] 3. When supporting, first place the support plate with the connecting groove, and then lift and lower the support plate with the protrusion so that the protrusion is inserted into the connecting groove, thereby completing the connection of the two support plates to improve the integrity and better support the side wall of the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic structural diagram according to an embodiment of the present application;

[0028] Figure 2 yes Figure 1Schematic cross-sectional view of .

[0029] In the figure: 1. supporting plate; 11. connecting groove; 12. protrusion; 13. storage groove; 14. water inlet chamber; 15. drainage hole; 16. clearance hole; 17. connecting hole; 18. sealing gasket; 2. supporting assembly; 21. supporting tube; 22. supporting rod; 23. supporting plate; 3. drainage assembly; 31. drainage pipe; 311. water inlet hole; 32. plug tip; 33. retaining net; 34. mesh plate; 4. driving part; 41. rack; 42. driving gear; 43. driven gear; 5. transmission part; 51. transmission rod; 52. transmission gear; 53. rotating gear; 6. pushing part; 61. screw; 62. pushing block; 621. threaded hole. DETAILED DESCRIPTION

[0030] An embodiment of the present application provides a gravel geological foundation pit support structure.

[0031] See also Figure 1 A gravel geological foundation pit support structure includes: two support plates 1. In the embodiment of the present application, only two support plates 1 are used for demonstration. In actual application, the number of support plates 1 is determined according to the size of the foundation pit. A connecting groove 11 is provided on the side wall of one of the support plates 1 in the vertical direction, and a protrusion 12 is fixedly provided on the other support plate 1. When supporting, the support plate 1 provided with the connecting groove 11 is first placed, and then the support plate 1 provided with the protrusion 12 is lifted and lowered so that the protrusion 12 is inserted into the connecting groove 11, thereby completing the connection of the two support plates 1 to improve the integrity, thereby better supporting the side wall of the foundation pit.

[0032] See also Figure 1 Furthermore, a sealing gasket 18 is fixedly provided on the protrusion 12 , and the sealing gasket 18 can improve the sealing between the protrusion 12 and the inner wall of the connecting groove 11 , so that water seepage is not likely to occur between the two supporting plates 1 .

[0033] See also Figure 2 The support plate 1 is provided with a support assembly 2, which includes: a support tube 21, a support rod 22 and a support plate 23. The side wall of the support plate 23 is provided with a storage groove 13 in the vertical direction. The support tube 21 is hingedly installed in the storage groove 13. The embodiment of the present application shows a storage state. One end of the support rod 22 is threadedly connected to the support tube 21, and the other end is hinged to the support plate 23. After the support plate 1 is attached to the side wall of the foundation pit, the support tube 21 is rotated out of the storage groove 13, and then the support rod 22 is rotated to extend out of the support tube 21 until the support plate 23 is in contact with the bottom wall of the foundation pit, thereby completing the support of the support plate 1 to improve the stability of the foundation pit support.

[0034] See also Figure 2A drainage component 3 is provided on the support plate 1, and a linkage component is provided between the drainage component 3 and the support tube 21. When the support tube 21 is flipped outward from the receiving groove 13, the linkage component operates and drives the drainage component 3 to be inserted into the side wall of the foundation pit, thereby effectively draining the side wall of the foundation pit, so that the side wall of the foundation pit is not easy to collapse.

[0035] See also Figure 2 The drainage assembly 3 includes: a drainage pipe 31 and a plug tip 32. The support plate 1 is provided with a water inlet cavity 14. The side wall of the support plate 23 is provided with a drainage hole 15 and a clearance hole 16 connected to the water inlet cavity 14. In the embodiment of the present application, the drainage hole 15 is used to connect an external pipeline for pumping water. One end of the drainage pipe 31 is provided in the water inlet cavity 14, and the other end is provided in the clearance hole 16. In the embodiment of the present application, the drainage pipe 31 is square; the plug tip 32 is fixed on one end of the drainage pipe 31 located in the clearance hole 16, and the plug tip 32 can facilitate the drainage pipe 31 to be inserted into the side wall of the foundation pit. When the support tube 21 is turned outward from the receiving groove 13, the linkage assembly operates and drives the drainage pipe 31 to be inserted into the side wall of the foundation pit, so that the side wall of the foundation pit can be effectively drained, so that the side wall of the foundation pit is not easy to collapse.

[0036] See also Figure 2 Furthermore, the drainage component 3 also includes: a retaining net 33 and a mesh plate 34, both of which are fixed in the water inlet hole 311, the retaining net 33 abuts against the mesh plate 34, and the retaining net 33 is located on the side of the mesh plate 34 away from the inside of the drainage pipe 31, the retaining net 33 can block the soil so that the soil is not easy to enter the drainage pipe 31; the mesh plate 34 is used to support the retaining net 33.

[0037] See also Figure 2 The linkage assembly includes: a driving part 4, a transmission part 5 and a pushing part 6.

[0038] See also Figure 2 The driving part 4 includes: a rack 41, a driving gear 42 and a driven gear 43. A connecting hole 17 is provided between the receiving groove 13 and the water inlet chamber 14. The driving gear 42 is rotatably installed in the water inlet chamber 14. The driven gear 43 is connected to the transmission part 5, and the driving gear 42 meshes with the driven gear 43. In the embodiment of the present application, the diameter of the driving gear 42 is greater than the diameter of the driven gear 43. One end of the rack 41 is hinged to the support tube 21, and the other end is penetrated by the connecting hole 17 and extends into the water inlet chamber 14. The rack 41 meshes with the driving gear 42. When the support tube 21 is turned outward from the receiving groove 13, the rack 41 moves outward from the water inlet chamber 14 to drive the driving gear 42 to drive the driven gear 43 to rotate. The rotation of the driven gear 43 can drive the transmission part 5 to operate; the operation of the transmission part 5 can drive the pushing part 6 to push the drainage pipe 31 to insert into the side wall of the foundation pit.

[0039] See also Figure 2 The transmission part 5 includes: a transmission rod 51, a transmission gear 52 and a rotating gear 53. The transmission rod 51 is vertically rotatably installed in the water inlet chamber 14. The driven gear 43 and the transmission gear 52 are coaxially sleeved on the transmission rod 51; the rotating gear 53 is connected to the pushing part 6, and the rotating gear 53 is meshed with the transmission gear 52. When the driven gear 43 rotates, the driven gear 43 can drive the transmission rod 51, the transmission gear 52 and the rotating gear 53 to rotate in sequence. The rotation of the rotating gear 53 can drive the pushing part 6 to push the drainage pipe 31 to insert into the side wall of the foundation pit.

[0040] See also Figure 2 The push part 6 includes: a screw rod 61 and a push block 62. The push block 62 is fixed to one end of the drain pipe 31 away from the plug tip 32, and a threaded hole 621 is provided on the side of the push block 62 away from the drain pipe 31. One end of the screw rod 61 is rotatably installed in the water inlet cavity 14 and is arranged horizontally, and the other end is threadedly connected in the threaded hole 621; the rotating gear 53 is coaxially sleeved on the screw rod 61. When the rotating gear 53 rotates, the rotating gear 53 can drive the screw rod 61 to rotate, and the rotation of the screw rod 61 will push the push block 62, so that the drain pipe 31 can be inserted into the side wall of the foundation pit.

[0041] The working principle of a gravel geological foundation pit support structure of the present application when in use is as follows: when the support tube 21 is flipped outward from the storage groove 13, the rack 41 moves outward from the water inlet chamber 14 to drive the driving gear 42 to rotate. The rotation of the driving gear 42 can drive the rotation of the driven gear 43, the transmission rod 51, the transmission gear 52, the rotating gear 53 and the screw 61 in turn; the rotation of the screw 61 will push the pushing block 62 so that the drainage pipe 31 can be inserted into the side wall of the foundation pit.

[0042] 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 gravel geological foundation pit support structure, characterized in that: include: Two support plates (1), wherein a support assembly (2) is arranged on the support plate (1), and a drainage assembly (3) is arranged on the support plate (1), wherein the support assembly (2) comprises: a support tube (21), a support rod (22) and a support plate (23), wherein a storage groove (13) is provided on the support plate (1), wherein the support tube (21) is hingedly installed in the storage groove (13), wherein one end of the support rod (22) is threadedly connected to the support tube (21) and the other end is hingedly connected to the support plate (23), and a linkage assembly is arranged between the drainage assembly (3) and the support tube (21).

2. The gravel geological foundation pit support structure according to claim 1 is characterized in that: The drainage assembly (3) comprises: a drainage pipe (31) and an insert tip (32); a water inlet cavity (14) is provided on the support plate (1); a drainage hole (15) and a clearance hole (16) which are in communication with the water inlet cavity (14) are provided on the support plate (1); one end of the drainage pipe (31) is arranged in the water inlet cavity (14), and the other end is arranged in the clearance hole (16); the insert tip (32) is fixed to the drainage pipe (31); and a plurality of water inlet holes (311) are provided through the drainage pipe (31).

3. The gravel geological foundation pit support structure according to claim 2 is characterized in that: The linkage assembly comprises: a driving part (4), a transmission part (5) and a pushing part (6); the driving part (4) is arranged between the support tube (21) and the inner wall of the water inlet chamber (14); the transmission part (5) is arranged between the driving part (4) and the inner wall of the water inlet chamber (14); and the pushing part (6) is arranged between the transmission part (5) and the drain pipe (31).

4. The gravel geological foundation pit support structure according to claim 3 is characterized in that: The driving part (4) comprises: a rack (41), a driving gear (42) and a driven gear (43); a connecting hole (17) is provided between the storage groove (13) and the water inlet chamber (14); the driving gear (42) is rotatably mounted in the water inlet chamber (14); the driven gear (43) is connected to the transmission part (5); the driving gear (42) is meshed with the driving gear (42); one end of the rack (41) is hinged with the support tube (21); the other end is provided with the connecting hole and extends into the water inlet chamber (14); and the rack (41) is meshed with the driving gear (42).

5. The gravel geological foundation pit support structure according to claim 4 is characterized in that: The transmission part (5) comprises: a transmission rod (51), a transmission gear (52) and a rotating gear (53); the transmission rod (51) is rotatably mounted in the water inlet chamber (14); the driven gear (43) and the transmission gear (52) are both coaxially sleeved on the transmission rod (51); the rotating gear (53) is connected to the pushing part (6); and the transmission gear (52) is meshed with the transmission gear (52).

6. The gravel geological foundation pit support structure according to claim 5 is characterized in that: The pushing portion (6) comprises: a screw rod (61) and a pushing block (62); the pushing block (62) is fixed on the drain pipe (31), and a threaded hole (621) is provided on the pushing block (62); one end of the screw rod (61) is rotatably mounted in the water inlet chamber (14), and the other end is threadedly connected in the threaded hole (621); the rotating gear (53) is coaxially sleeved on the screw rod (61).

7. The gravel geological foundation pit support structure according to claim 2 is characterized in that: The drainage assembly (3) further comprises: a soil retaining net (33) and a mesh plate (34); the soil retaining net (33) and the mesh plate (34) are both fixed in the water inlet hole (311).

8. The gravel geological foundation pit support structure according to claim 1 is characterized in that: One of the supporting plates (1) is provided with a connection groove (11), and the other supporting plate (1) is provided with a protrusion (12), and the protrusion (12) is arranged in the connection groove (11), and a sealing gasket (18) is fixedly arranged on the protrusion (12).

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