Foundation pit supporting structure for square pile foundation construction

Abstract

The utility model relates to the technical field of foundation pit supporting, discloses a foundation pit supporting structure for square pile infrastructure construction, and solves the problems that a supporting structure for a foundation pit for square pile infrastructure construction is inconvenient to adjust according to the depth of the foundation pit in the using process, certain limitation exists, and therefore better practicability is inconvenient to achieve. The device comprises a supporting bottom plate, an adjusting fixing assembly and an adjusting supporting assembly are installed at the top of the supporting bottom plate, one side of the adjusting supporting assembly extends to one side of the top of the supporting bottom plate, the adjusting supporting assembly comprises a positioning frame, the positioning frame is of a C-shaped structure, and the positioning frame is fixedly installed at the top of the supporting bottom plate; partition plates are symmetrically and fixedly installed in the positioning frame, and adjusting screw rods are rotationally installed in the partition plates. According to the supporting structure for the foundation pit for square pile foundation construction, in the using process, the supporting structure can be conveniently adjusted according to the depth of the foundation pit, limitation is reduced, and therefore better practicability can be conveniently achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit support, in particular to a foundation pit support structure used for square pile foundation construction. Background Art

[0002] The foundation pit is a soil pit excavated at the foundation design position according to the base elevation and foundation plane dimensions. In the process of square pile extrusion construction, the foundation pit also needs to be excavated. After the foundation pit excavation of the square pile foundation building is completed, the foundation pit support structure is needed to support the foundation pit. However, the foundation pit support structure of the square pile foundation construction is not convenient to adjust according to the depth of the foundation pit during use, and there are certain limitations, which makes it inconvenient to achieve better practicality. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a foundation pit support structure for square pile foundation construction, which effectively solves the problem that the foundation pit support structure for square pile foundation construction is not convenient to adjust according to the depth of the foundation pit during use, has certain limitations, and is not convenient to achieve better practicality.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit supporting structure for square pile foundation construction, comprising a supporting base plate, the top of the supporting base plate is equipped with an adjusting fixing assembly and an adjusting supporting assembly, and one side of the adjusting supporting assembly extends to one side of the top of the supporting base plate, the adjusting supporting assembly comprises a positioning frame, and the positioning frame is a C-shaped structure, the positioning frame is fixedly installed on the top of the supporting base plate, a partition is symmetrically fixedly installed inside the positioning frame, an adjusting screw is rotatably installed inside the partition, and one end of the adjusting screw is rotatably connected to the inner wall of the positioning frame, a threaded movable sleeve is threadedly installed on the outer side of the adjusting screw, a first connecting shaft is fixedly installed on the top of the threaded movable sleeve, a movable support bar is rotatably installed on the first connecting shaft, and a second connecting shaft is rotatably installed on the end of the movable support bar away from the first connecting shaft, a positioning support plate is fixedly installed on the top of the end of the supporting base plate away from the positioning frame, a movable support plate is arranged on the top of the positioning support plate, and two second connecting shafts are fixedly installed on one side of the movable support plate.

[0005] Preferably, three positioning slide bars are evenly and fixedly installed on the bottom of the movable support plate, three slide bar grooves are evenly opened inside the positioning support plate, and the positioning slide bars are slidably installed inside the slide bar grooves.

[0006] Preferably, a positioning slider is symmetrically fixedly mounted on the outer side of the bottom end of the positioning slide bar, a positioning slide groove is symmetrically opened on the inner wall of the slide bar groove, and the positioning slider is slidably mounted inside the positioning slide groove.

[0007] Preferably, a dual-axis motor is fixedly installed inside the positioning frame, and transmission rods are fixedly installed on the output shafts at both ends of the dual-axis motor, a first bevel gear is fixedly installed on the end of the transmission rod away from the dual-axis motor, a second bevel gear is meshingly connected to the outer side of the first bevel gear, and the second bevel gear is fixedly connected to one end of the adjusting screw.

[0008] Preferably, a first positioning sleeve is rotatably mounted on the outer side of the transmission rod, and the first positioning sleeve is fixedly mounted on the inner wall of the positioning frame.

[0009] Preferably, the adjustment and fixing assembly includes a shell, and the shell is fixedly installed on the top of the supporting base plate, a positioning shaft is rotatably installed in the inner middle part of the shell, a transmission gear is fixedly installed on the outer side of the positioning shaft, and three transmission gear rings are evenly meshed and connected on the outer side of the transmission gear, a threaded sleeve is fixedly installed through the inside of the transmission gear ring, and the bottom of the threaded sleeve is rotatably connected to the inner bottom end of the shell, the top of the threaded sleeve is movably installed through and extends to the top of the shell, a fixing bolt is installed on the internal thread of the threaded sleeve, and the bottom end of the fixing bolt is movably installed through and extends to the bottom of the supporting base plate, the top of the fixing bolt extends to directly above the threaded sleeve, and a circular limit block is fixedly installed on the top of the fixing bolt.

[0010] Preferably, a connecting strip is fixedly installed on the top of the circular limit block, a positioning sleeve is fixedly installed inside the end of the connecting strip away from the circular limit block, a positioning slide rod is installed inside the positioning slide sleeve, and the bottom of the positioning slide rod is fixedly connected to the top of the shell.

[0011] Preferably, a circular stopper is fixedly mounted on the top of the positioning slide rod, and the bottom of the circular stopper contacts the top of the positioning slide sleeve, and the diameter of the circular stopper is larger than the inner diameter of the positioning slide sleeve.

[0012] Preferably, a third bevel gear is fixedly installed above the transmission gear and on the outside of the positioning shaft, a fourth bevel gear is meshingly connected to the outside of the third bevel gear, a driving rod is fixedly installed on one side of the fourth bevel gear, a driving motor is fixedly installed on the outside of the shell, and one end of the driving rod away from the fourth bevel gear movably passes through the shell and is fixedly connected to the output shaft of the driving motor.

[0013] Preferably, a second positioning sleeve is rotatably mounted on the outer side of the driving rod, and the second positioning sleeve is fixedly mounted on the inner top end of the shell.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1) During operation, the support base plate and the adjustment support components can be used to adjust the foundation pit support structure of the square pile foundation according to the depth of the foundation pit, thereby reducing limitations and achieving better practicality;

[0016] 2) During operation, the adjusting and fixing components are arranged to facilitate better fixing of the supporting base plate during use, thereby ensuring that the supporting structure can achieve better stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] In the attached picture:

[0019] Figure 1 This is a structural schematic diagram of a foundation pit support structure used for square pile foundation construction according to the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the adjustable support assembly of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the positioning support plate of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the adjustment and fixing assembly of the utility model;

[0023] Figure 5 It is a schematic diagram of the internal structure of the shell of the utility model.

[0024] In the figure: 1, support base plate; 2, adjustment fixing assembly; 3, adjustment support assembly; 4, positioning frame; 5, partition; 6, adjustment screw; 7, threaded movable sleeve; 8, first connecting shaft; 9, movable support bar; 10, second connecting shaft; 11, positioning support plate; 12, movable support plate; 13, positioning slide bar; 14, slide bar groove; 15, positioning slider; 16, positioning slide groove; 17, dual-axis motor; 18, transmission rod; 19, first bevel gear; 20. Second bevel gear; 21. First positioning sleeve; 22. Housing; 23. Positioning shaft rod; 24. Transmission gear; 25. Transmission gear ring; 26. Threaded sleeve; 27. Fixing bolt; 28. Circular limit block; 29. ​​Connecting strip; 30. Positioning sleeve; 31. Positioning slide rod; 32. Circular stop block; 33. Third bevel gear; 34. Fourth bevel gear; 35. Drive rod; 36. Drive motor; 37. Second positioning sleeve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] Embodiment 1, by Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The utility model includes a supporting base plate 1, the top of the supporting base plate 1 is installed with an adjusting fixing component 2 and an adjusting support component 3, and one side of the adjusting support component 3 extends to the top side of the supporting base plate 1, the adjusting support component 3 includes a positioning frame 4, and the positioning frame 4 is a C-shaped structure, the positioning frame 4 is fixedly installed on the top of the supporting base plate 1, and a partition 5 is symmetrically fixedly installed inside the positioning frame 4, an adjusting screw 6 is rotatably installed inside the partition 5, and one end of the adjusting screw 6 is rotatably connected to the inner wall of the positioning frame 4, the outer side of the adjusting screw 6 is threadedly installed with a threaded movable sleeve 7, the top of the threaded movable sleeve 7 is fixedly installed with a first connecting shaft 8, and a movable support bar 9 is rotatably installed on the first connecting shaft 8. A second connecting shaft 10 is rotatably mounted on one end of 9 away from the first connecting shaft 8, a positioning support plate 11 is fixedly mounted on the top of one end of the supporting bottom plate 1 away from the positioning frame 4, a movable support plate 12 is arranged on the top of the positioning support plate 11, and two second connecting shafts 10 are fixedly mounted on one side of the movable support plate 12, three positioning slide bars 13 are evenly fixedly mounted on the bottom of the movable support plate 12, three slide bar grooves 14 are evenly opened inside the positioning support plate 11, and the positioning slide bars 13 are slidably mounted inside the slide bar grooves 14, positioning sliders 15 are symmetrically fixedly mounted on the outer side of the bottom end of the positioning slide bar 13, positioning slide bars 16 are symmetrically opened on the inner wall of the slide bar groove 14, and the positioning sliders 15 are slidably mounted inside the positioning slide bars 16;

[0027] A dual-axis motor 17 is also fixedly installed inside the positioning frame 4, and a transmission rod 18 is fixedly installed on the output shafts at both ends of the dual-axis motor 17, a first positioning sleeve 21 is rotatably installed on the outer side of the transmission rod 18, and the first positioning sleeve 21 is fixedly installed on the inner wall of the positioning frame 4, and a first bevel gear 19 is fixedly installed on one end of the transmission rod 18 away from the dual-axis motor 17, and a second bevel gear 20 is meshedly connected to the outer side of the first bevel gear 19, and the second bevel gear 20 is fixedly connected to one end of the adjusting screw 6;

[0028] The adjustment and fixing assembly 2 includes a shell 22, and the shell 22 is fixedly installed on the top of the supporting base plate 1. A positioning shaft 23 is rotatably installed in the middle of the inner part of the shell 22, and a transmission gear 24 is fixedly installed on the outer side of the positioning shaft 23. Three transmission gear rings 25 are evenly meshed and connected on the outer side of the transmission gear 24. A threaded sleeve 26 is fixedly installed through the inner part of the transmission gear ring 25, and the bottom of the threaded sleeve 26 is rotatably connected to the inner bottom end of the shell 22. The top end of the threaded sleeve 26 movably penetrates and extends to the top of the shell 22. A fixing bolt 27 is installed on the inner thread of the threaded sleeve 26, and the bottom end of the fixing bolt 27 movably penetrates and extends to the supporting base plate. 1, the top of the fixing bolt 27 extends to the top of the threaded sleeve 26, a circular stopper 28 is fixedly installed on the top of the fixing bolt 27, a connecting strip 29 is fixedly installed on the top of the circular stopper 28, a positioning sleeve 30 is fixedly installed inside the end of the connecting strip 29 away from the circular stopper 28, a positioning slide rod 31 is installed inside the positioning slide rod 30, and the bottom of the positioning slide rod 31 is fixedly connected to the top of the housing 22, a circular stopper 32 is fixedly installed on the top of the positioning slide rod 31, and the bottom of the circular stopper 32 contacts the top of the positioning slide sleeve 30, and the diameter of the circular stopper 32 is larger than the inner diameter of the positioning slide sleeve 30;

[0029] A third bevel gear 33 is fixedly installed above the transmission gear 24 and on the outside of the positioning shaft 23. The outside of the third bevel gear 33 is meshed with a fourth bevel gear 34. A driving rod 35 is fixedly installed on one side of the fourth bevel gear 34. A second positioning sleeve 37 is rotatably installed on the outside of the driving rod 35, and the second positioning sleeve 37 is fixedly installed on the inner top end of the shell 22. A driving motor 36 is fixedly installed on the outside of the shell 22, and one end of the driving rod 35 away from the fourth bevel gear 34 movably passes through the shell 22 and is fixedly connected to the output shaft of the driving motor 36.

[0030] During use, through the interaction between the support base plate 1 and the adjustable support assembly 3, the support structure for the foundation pit of the square pile foundation construction can be easily adjusted according to the depth of the foundation pit during use, reducing limitations, thereby achieving better practicality, and through the adjustable fixing assembly 2, the support base plate 1 can be better fixed during use, thereby ensuring that the support structure can achieve better stability.

[0031] Working principle: during operation, first place the supporting base plate 1 at the bottom of the foundation pit, and make one side of the positioning support plate 11 contact with the pit wall of the foundation pit, then start the dual-axis motor 17 to drive the transmission rod 18 to rotate, the transmission rod 18 drives the first bevel gear 19 to rotate, the first bevel gear 19 drives the second bevel gear 20 to rotate, the second bevel gear 20 drives the adjusting screw 6 to rotate, the adjusting screw 6 drives the threaded movable sleeve 7 to move, the threaded movable sleeve 7 drives the first connecting shaft 8 to move, the first connecting shaft 8 drives the movable support bar 9 to move, the movable support bar 9 pushes the movable support plate 12 to move upward through the second connecting shaft 10, the movable support plate 12 drives the positioning slide bar 13 to slide inside the slide bar groove 14, the positioning slide bar 13 drives the positioning slide block 15 to slide inside the positioning slide groove 16, which can ensure that the movable support plate 12 achieves better stability when moving, and waits for the movable support plate 12 to move to the required height. After that, the dual-axis motor 17 is stopped, and then the driving motor 36 is started to drive the driving rod 35 to rotate, the driving rod 35 drives the positioning shaft rod 23 to rotate, the positioning shaft rod 23 drives the transmission gear 24 to rotate, the transmission gear 24 drives the transmission gear ring 25 to rotate, the transmission gear ring 25 drives the threaded sleeve 26 to rotate, the threaded sleeve 26 drives the fixing bolt 27 to move downward, the fixing bolt 27 drives the connecting bar 29 to move downward through the circular limit block 28, and the connecting bar 29 drives the positioning sliding sleeve 30 to slide on the outside of the positioning sliding rod 31, which can ensure that the fixing bolt 27 achieves better stability when moving. At the same time, the fixing bolt 27 moves downward and is inserted into the ground at the bottom of the foundation pit. After the circular limit block 28 contacts the top of the threaded sleeve 26, the driving motor 36 is stopped to complete the fixing operation of the support base plate 1. At this time, the positioning support plate 11 and the movable support plate 12 are positioned on the pit wall of the foundation pit for support operation.

Claims

1. A foundation pit support structure for square pile foundation construction, comprising a supporting bottom plate (1), characterized in that: The top of the support base plate (1) is equipped with an adjustment fixing assembly (2) and an adjustment support assembly (3), and one side of the adjustment support assembly (3) extends to one side of the top of the support base plate (1). The adjustment support assembly (3) comprises a positioning frame (4), and the positioning frame (4) is a C-shaped structure. The positioning frame (4) is fixedly installed on the top of the support base plate (1). A partition (5) is symmetrically fixedly installed inside the positioning frame (4). An adjustment screw (6) is rotatably installed inside the partition (5), and one end of the adjustment screw (6) is rotatably connected to the inner wall of the positioning frame (4). A threaded movable sleeve (7) is installed on the outer thread of (6), a first connecting shaft (8) is fixedly installed on the top of the threaded movable sleeve (7), a movable support bar (9) is rotatably installed on the first connecting shaft (8), a second connecting shaft (10) is rotatably installed on the end of the movable support bar (9) away from the first connecting shaft (8), a positioning support plate (11) is fixedly installed on the top of the end of the support base plate (1) away from the positioning frame (4), a movable support plate (12) is arranged on the top of the positioning support plate (11), and two second connecting shafts (10) are fixedly installed on one side of the movable support plate (12).

2. A foundation pit support structure for square pile foundation construction according to claim 1, characterized in that: Three positioning slide bars (13) are evenly fixedly installed at the bottom of the movable support plate (12), three slide bar grooves (14) are evenly opened inside the positioning support plate (11), and the positioning slide bars (13) are slidably installed inside the slide bar grooves (14).

3. A foundation pit support structure for square pile foundation construction according to claim 2, characterized in that: A positioning slider (15) is symmetrically fixedly installed on the outer side of the bottom end of the positioning slide bar (13), and a positioning slide groove (16) is symmetrically opened on the inner wall of the slide bar groove (14), and the positioning slider (15) is slidably installed inside the positioning slide groove (16).

4. A foundation pit support structure for square pile foundation construction according to claim 1, characterized in that: A dual-axis motor (17) is also fixedly mounted inside the positioning frame (4), and transmission rods (18) are fixedly mounted on output shafts at both ends of the dual-axis motor (17), a first bevel gear (19) is fixedly mounted on one end of the transmission rod (18) away from the dual-axis motor (17), a second bevel gear (20) is meshingly connected to the outer side of the first bevel gear (19), and the second bevel gear (20) is fixedly connected to one end of the adjusting screw (6).

5. A foundation pit support structure for square pile foundation construction according to claim 4, characterized in that: A first positioning sleeve (21) is rotatably mounted on the outer side of the transmission rod (18), and the first positioning sleeve (21) is fixedly mounted on the inner wall of the positioning frame (4).

6. A foundation pit support structure for square pile foundation construction according to claim 1, characterized in that: The adjusting and fixing assembly (2) comprises a shell (22), and the shell (22) is fixedly installed on the top of the supporting base plate (1), a positioning shaft (23) is rotatably installed in the middle of the inner part of the shell (22), a transmission gear (24) is fixedly installed on the outer side of the positioning shaft (23), and three transmission gear rings (25) are evenly meshed and connected on the outer side of the transmission gear (24), a threaded sleeve (26) is fixedly installed inside the transmission gear ring (25), and the bottom of the threaded sleeve (26) is rotatably connected to the inner bottom end of the shell (22), the top of the threaded sleeve (26) is movably penetrated and extended to the top of the shell (22), a fixing bolt (27) is installed on the inner thread of the threaded sleeve (26), and the bottom of the fixing bolt (27) is movably penetrated and extended to the bottom of the supporting base plate (1), the top of the fixing bolt (27) extends to the top of the threaded sleeve (26), and a circular limit block (28) is fixedly installed on the top of the fixing bolt (27).

7. A foundation pit support structure for square pile foundation construction according to claim 6, characterized in that: A connecting strip (29) is fixedly installed on the top of the circular limit block (28); a positioning sleeve (30) is fixedly installed inside the end of the connecting strip (29) away from the circular limit block (28); a positioning slide rod (31) is installed inside the positioning slide rod (30) and is slidably installed therein; and the bottom of the positioning slide rod (31) is fixedly connected to the top of the housing (22).

8. A foundation pit support structure for square pile foundation construction according to claim 7, characterized in that: A circular stopper (32) is fixedly mounted on the top of the positioning slide rod (31), and the bottom of the circular stopper (32) contacts the top of the positioning slide sleeve (30), and the diameter of the circular stopper (32) is greater than the inner diameter of the positioning slide sleeve (30).

9. A foundation pit support structure for square pile foundation construction according to claim 6, characterized in that: A third bevel gear (33) is fixedly mounted above the transmission gear (24) and on the outside of the positioning shaft (23); a fourth bevel gear (34) is meshingly connected to the outside of the third bevel gear (33); a driving rod (35) is fixedly mounted on one side of the fourth bevel gear (34); a driving motor (36) is fixedly mounted on the outside of the housing (22); and an end of the driving rod (35) away from the fourth bevel gear (34) movably penetrates the housing (22) and is fixedly connected to the output shaft of the driving motor (36).

10. A foundation pit support structure for square pile foundation construction according to claim 9, characterized in that: A second positioning sleeve (37) is rotatably mounted on the outer side of the driving rod (35), and the second positioning sleeve (37) is fixedly mounted on the inner top end of the housing (22).

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