Foundation pit supporting structure for house building construction

Abstract

The utility model relates to the technical field of foundation pit supporting structures, and discloses a foundation pit supporting structure for house building construction, which comprises a bottom plate, a lifting plate is arranged above the bottom plate, and two symmetrical moving frames are arranged on the upper surface of the lifting plate. According to the foundation pit supporting structure for house building construction, the purpose that the two moving blocks get close to each other or get away from each other can be achieved, the effect of adjusting the height of the lifting plate can be achieved through cooperation of the two connecting rods, a user can conveniently use foundation pits with different depths, the purpose that the two moving frames get away from each other or get close to each other can be achieved, and the practicability is high. The effect of adjusting the distance between the two supporting plates is achieved, foundation pits with different widths can be conveniently used, a hydraulic push rod can pull an angle rod to horizontally move, then the other end of the angle rod slides along a sliding rod, the purpose of overturning the supporting plates can be achieved in cooperation with hinge joint of a movable frame and the supporting plates, and the practicability is high. And the effect that a user can conveniently use the foundation pit wall according to the foundation pit walls with different angle faces is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of foundation pit support structures, and specifically to a foundation pit support structure used in building construction. Background Art

[0002] Foundation pit refers to the space below the ground excavated for the construction of the foundation and basement of a building (including structures). Specifically, it is a pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. This excavation is for the construction of underground facilities or structures and is part of the construction project.

[0003] The existing patent (announcement number: CN216640600U) discloses a foundation pit support structure for building construction. The foundation pit support structure for building construction includes a base, a hollow column is fixedly installed on the top of the base, four side frames are arranged above the hollow column, an adjustment column is arranged inside the hollow column, the top of the adjustment column extends to the top of the hollow column and is fixedly connected to the four side frames, and the adjustment column is slidably connected to the top of the hollow column, a main support plate is arranged on one side of the four side frames, two movable grooves are provided on the side of the main support plate close to the four side frames, connecting blocks are hinged in the two movable grooves, auxiliary support plates are fixedly installed on one side of the two connecting blocks, and two positioning grooves are provided on the two connecting blocks. The foundation pit support structure for building construction provided by the utility model has the advantages of being easy to ship and transfer, simple to operate, and forming good interference support.

[0004] The above device has the advantages of being easy to transport and transfer, simple to operate, and able to form good resistance support. However, in actual use, the inner walls of some foundation pits have a certain angle, and the above device cannot effectively support some inclined foundation pit walls, and has poor flexibility. Utility Model Content

[0005] In response to the shortcomings of the prior art, the present application provides a foundation pit support structure for building construction, which has the advantages of high flexibility and solves the problem that the inner walls of some foundation pits have a certain angle, and the above-mentioned device cannot effectively support some inclined foundation pit walls and has poor flexibility.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a foundation pit support structure for building construction, comprising a bottom plate, a lifting plate is provided above the bottom plate, two symmetrical moving frames are provided on the upper surface of the lifting plate, and a supporting plate is hingedly connected to one end of each moving frame away from each other;

[0007] Pressure detectors are installed inside the two support plates, and grooves are opened on the sides of the two support plates that are close to each other. Slide rods are fixedly connected between the inner top walls and the inner bottom walls of the two grooves, and angle rods are sleeved on the outer surfaces of the two slide rods.

[0008] Through the above scheme, the two moving blocks can be moved closer to or farther away from each other by means of the first bidirectional threaded rod, and the height of the lifting plate can be adjusted by means of the two connecting rods, which is convenient for users to use foundation pits of different depths. The two moving frames can be moved away from or closer to each other by means of the second bidirectional threaded rod, which achieves the effect of adjusting the distance between the two support plates, and is convenient for use of foundation pits of different widths. The angle rod can be pulled horizontally by the hydraulic push rod, and then the other end can be made to slide along the slide rod. In combination with the hinge of the moving frame and the support plate, the flipping of the support plate can be achieved, which is convenient for users to use according to the foundation pit wall at different angles, and effectively improves the overall flexibility.

[0009] Furthermore, hydraulic push rods are installed inside the two moving frames, and the output ends of the two hydraulic push rods are hinged to the angle rods close thereto.

[0010] Through the above scheme, the output end of the hydraulic push rod is extended and retracted, and the angle rod is cooperated to achieve the purpose of flipping the support plate.

[0011] Furthermore, a plurality of fixing holes are provided on the upper surface of the bottom plate.

[0012] Through the above scheme, by setting the fixing holes, it is convenient for the user to fix the bottom plate to the bottom wall of the external foundation pit.

[0013] Furthermore, two first threaded plates are fixedly connected to the upper surface of the base plate, a first bidirectional threaded rod is rotatably connected between the two first threaded plates, a first worm gear is fixedly connected to the middle end of the outer surface of the first bidirectional threaded rod, two stabilizing blocks are fixedly connected to the upper surface of the base plate, a first worm gear is rotatably connected between the two stabilizing blocks, a first adjusting shaft is rotatably connected between the inner bottom wall of the base plate, the first adjusting shaft and the front end of the first worm gear are fixedly connected to bevel gears, and the two bevel gears are meshingly connected.

[0014] Through the above solution and the provision of the bevel gear, the purpose of transmitting power to the first bidirectional threaded rod can be achieved during the rotation of the first adjusting shaft.

[0015] Furthermore, both ends of the first bidirectional threaded rod are respectively threadedly connected with moving blocks, the bottoms of the two moving blocks are in contact with the bottom plate, the tops of the two moving blocks are hinged with connecting rods, and the tops of the two connecting rods are hinged with the lifting plate.

[0016] Through the above scheme, the purpose of lifting the lifting plate can be achieved by setting the connecting rod and the moving block.

[0017] Furthermore, two second threaded plates are fixedly connected to the upper surface of the lifting plate, a second bidirectional threaded rod is rotatably connected between the two second threaded plates, and both of the two moving frames are threadedly connected to the second bidirectional threaded rod.

[0018] Through the above solution and the provision of the second bidirectional threaded rod, the two movable racks can be moved away from or closer to each other.

[0019] Furthermore, a second worm gear is fixedly connected to the middle end of the second bidirectional threaded rod, an adjustment frame is fixedly connected to the middle end of the lifting plate, a second worm is rotatably connected between the front and rear inner walls of the adjustment frame, and the second worm is meshingly connected to the second worm gear.

[0020] Through the above scheme, by providing the second worm and the second worm wheel, the self-locking purpose of the movable frame can be achieved, thereby improving the stability during support.

[0021] Furthermore, the rear end of the second worm and the top end of the first adjusting shaft are all fixedly connected with a rocker.

[0022] Through the above solution, by setting the rocker, it is convenient for the user to rotate the second worm gear and the first worm gear, thereby achieving the purpose of adjusting the height of the lifting plate and the spacing between the moving frames.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] The foundation pit supporting structure used for building construction can realize the purpose of mutual approach or distance between two moving blocks by means of the first bidirectional threaded rod, and can achieve the effect of adjusting the height of the lifting plate in cooperation with the two connecting rods, so that users can use foundation pits of different depths; the second bidirectional threaded rod can realize the purpose of mutual distance or proximity between two moving frames, and achieve the effect of adjusting the distance between two supporting plates, so that it can be used for foundation pits of different widths; the hydraulic push rod can pull the angle rod to move horizontally, and then make the other end slide along the sliding rod, and the hinge connection between the moving frame and the supporting plate can realize the purpose of flipping the supporting plate, so that users can use it according to the foundation pit wall of different angles, and effectively improve the overall flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of the overall structure of this application Figure 1 ;

[0026] Figure 2For this application Figure 1 A schematic diagram of the structure enlargement in the middle;

[0027] Figure 3 A three-dimensional diagram of the overall structure of this application Figure 2 ;

[0028] Figure 4 This is a front view of the overall structure of this application.

[0029] In the figure:

[0030] 1. Base plate; 2. Lifting plate; 3. Moving frame; 4. Support plate; 5. Pressure detector; 6. Notch; 7. Sliding rod; 8. Angle rod; 9. Hydraulic push rod; 10. Fixing hole; 11. First threaded plate; 12. First bidirectional threaded rod; 13. First worm gear; 14. Stabilizing block; 15. First worm; 16. First adjusting shaft; 17. Bevel gear; 18. Moving block; 19. Connecting rod; 20. Second threaded plate; 21. Second bidirectional threaded rod; 22. Second worm gear; 23. Adjusting frame; 24. Second worm; 25. Rocker. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] See also Figure 1 , Figure 3 and Figure 4 In this embodiment, a foundation pit support structure for building construction includes a base plate 1, and a plurality of fixing holes 10 are opened on the upper surface of the base plate 1. Through the setting of the fixing holes 10, the user can conveniently fix the base plate 1 to the external foundation pit bottom wall. A lifting plate 2 is provided above the base plate 1, and two symmetrical moving frames 3 are provided on the upper surface of the lifting plate 2. A supporting plate 4 is hinged at one end of each moving frame 3 away from each other.

[0033] See also Figure 1 , Figure 3 and Figure 4Two first threaded plates 11 are fixedly connected to the upper surface of the bottom plate 1, a first bidirectional threaded rod 12 is rotatably connected between the two first threaded plates 11, a first worm gear 13 is fixedly connected to the middle end of the outer surface of the first bidirectional threaded rod 12, two stabilizing blocks 14 are fixedly connected to the upper surface of the bottom plate 1, a first worm 15 is rotatably connected between the two stabilizing blocks 14, a first adjusting shaft 16 is rotatably connected between the inner bottom wall of the bottom plate 1, a bevel gear 17 is fixedly connected to the front end of the first adjusting shaft 16 and the first worm 15, and the two The bevel gears 17 are meshed and connected with each other. Through the setting of the bevel gears 17, the purpose of transmitting power to the first bidirectional threaded rod 12 can be achieved during the rotation of the first adjusting shaft 16. The two ends of the first bidirectional threaded rod 12 are respectively threadedly connected with moving blocks 18, and the bottoms of the two moving blocks 18 are in contact with the bottom plate 1. The tops of the two moving blocks 18 are hinged with connecting rods 19, and the tops of the two connecting rods 19 are hinged to the lifting plate 2. Through the setting of the connecting rods 19 and the moving blocks 18, the lifting purpose of the lifting plate 2 can be achieved.

[0034] See also Figure 1 , Figure 3 and Figure 4 Two second threaded plates 20 are fixedly connected to the upper surface of the lifting plate 2, and a second bidirectional threaded rod 21 is rotatably connected between the two second threaded plates 20. The two moving frames 3 are both threadedly connected to the second bidirectional threaded rod 21. Through the setting of the second bidirectional threaded rod 21, the two moving frames 3 can be moved away from or close to each other. A second worm gear 22 is fixedly connected to the middle end of the second bidirectional threaded rod 21, and an adjusting frame 23 is fixedly connected to the middle end of the lifting plate 2. A second worm 24 is rotatably connected between the front and rear inner walls of the adjusting frame 23. The second worm 24 is meshed with the second worm wheel 22. Through the setting of the second worm 24 and the second worm wheel 22, the self-locking purpose of the moving frame 3 can be achieved, thereby improving the stability during support.

[0035] See also Figure 1 , Figure 2 and Figure 3 The second worm 24 and the rear end and the top end of the first adjusting shaft 16 are fixedly connected with a rocker 25. Through the setting of the rocker 25, the user can easily rotate the second worm 24 and the first worm 15 to achieve the purpose of adjusting the height of the lifting plate 2 and the spacing of the moving frame 3. Pressure detectors 5 are installed inside the two support plates 4. The sides of the two support plates 4 close to each other are provided with slots 6. Slide rods 7 are fixedly connected between the inner top walls and the inner bottom walls of the two slots 6. The outer surfaces of the two slide rods 7 are sleeved with angle rods 8. Hydraulic push rods 9 are installed inside the two moving frames 3. The output ends of the two hydraulic push rods 9 are hinged to the angle rod 8 close to them. The output ends of the hydraulic push rods 9 are extended and retracted, and the angle rod 8 is cooperated to achieve the purpose of flipping the support plate 4.

[0036] In the present embodiment, a foundation pit support structure for building construction can realize the purpose of mutual approach or distance between two moving blocks 18 by means of the first bidirectional threaded rod 12, and can achieve the effect of height adjustment of the lifting plate 2 in cooperation with the two connecting rods 19, so that users can use foundation pits of different depths. The second bidirectional threaded rod 21 can realize the purpose of mutual distance or proximity between the two moving frames 3, and achieve the effect of adjusting the distance between the two supporting plates 4, so that it can be convenient for users to use foundation pits of different widths. The hydraulic push rod 9 can pull the angle rod 8 to move horizontally, and then make the other end slide along the slide rod 7. In cooperation with the hinged connection between the moving frame 3 and the supporting plate 4, the purpose of flipping the supporting plate 4 can be achieved, so that users can use it according to the foundation pit walls of different angles, and the overall flexibility is effectively improved.

[0037] It should be noted that the purpose of fixing the bottom plate 1 can be achieved by cooperating with external fixing nails through the fixing holes 10 .

[0038] The working principle of the above embodiment is as follows: when in use, the bottom plate 1 is fixed to the foundation pit ground, and then the lower rocker 25 is shaken to drive the first adjusting shaft 16 to rotate, and the first worm 15 is driven to rotate through the meshing bevel gear 17, and the first worm 15 drives the worm wheel and the first bidirectional threaded rod 12 to rotate, and the first bidirectional threaded rod 12 drives the two moving blocks 18 to move closer to each other, and the lifting plate 2 is pushed up through the connecting rod 19 to adjust the overall height, so that the user can use it for foundation pits of different depths, and the angle rod 8 is pulled or pushed by starting the hydraulic push rod 9 to move. By moving, the supporting plate 4 can be turned over with one end of the moving frame 3 as the axis, so as to achieve the effect of adjusting the angle of the supporting plate 4, which is convenient for the purpose of fully contacting with the inner wall of the foundation pit at different angles and improving the supporting effect. By shaking the upper rocker 25, the second worm 24 can be driven to rotate, and then the second worm gear 22 and the second bidirectional threaded rod 21 can be driven to rotate, so that the two moving frames 3 can move away from and approach each other, and the effect of supporting foundation pits of different widths can be achieved. When the foundation pit is deformed, its pressure increases, and the pressure can be monitored by the pressure detector 5.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A foundation pit support structure for building construction, comprising a bottom plate (1), characterized in that: A lifting plate (2) is provided above the bottom plate (1); two symmetrical moving frames (3) are provided on the upper surface of the lifting plate (2); and a supporting plate (4) is hingedly connected at one end of each moving frame (3) that is away from each other. A pressure detector (5) is installed inside the two support plates (4), and a groove (6) is provided on a side of the two support plates (4) close to each other. A sliding rod (7) is fixedly connected between the inner top wall and the inner bottom wall of the two grooves (6), and an angle rod (8) is sleeved on the outer surface of the two sliding rods (7).

2. A foundation pit support structure for building construction according to claim 1, characterized in that: Hydraulic push rods (9) are installed inside the two moving frames (3), and the output ends of the two hydraulic push rods (9) are hinged to the angle rods (8) adjacent thereto.

3. The foundation pit support structure for building construction according to claim 1 is characterized in that: A plurality of fixing holes (10) are provided on the upper surface of the bottom plate (1).

4. The foundation pit support structure for building construction according to claim 1 is characterized in that: Two first threaded plates (11) are fixedly connected to the upper surface of the base plate (1), a first bidirectional threaded rod (12) is rotatably connected between the two first threaded plates (11), a first worm gear (13) is fixedly connected to the middle end of the outer surface of the first bidirectional threaded rod (12), two stabilizing blocks (14) are fixedly connected to the upper surface of the base plate (1), a first worm gear (15) is rotatably connected between the two stabilizing blocks (14), a first adjusting shaft (16) is rotatably connected between the inner bottom wall of the base plate (1), the first adjusting shaft (16) and the front ends of the first worm gear (15) are fixedly connected to bevel gears (17), and the two bevel gears (17) are meshingly connected.

5. A foundation pit support structure for building construction according to claim 4, characterized in that: The two ends of the first bidirectional threaded rod (12) are respectively threadedly connected to moving blocks (18), the bottoms of the two moving blocks (18) are in contact with the bottom plate (1), the tops of the two moving blocks (18) are hinged to connecting rods (19), and the tops of the two connecting rods (19) are hinged to the lifting plate (2).

6. A foundation pit support structure for building construction according to claim 1, characterized in that: Two second threaded plates (20) are fixedly connected to the upper surface of the lifting plate (2), a second bidirectional threaded rod (21) is rotatably connected between the two second threaded plates (20), and both of the two moving frames (3) are threadedly connected to the second bidirectional threaded rod (21).

7. A foundation pit support structure for building construction according to claim 6, characterized in that: A second worm gear (22) is fixedly connected to the middle end of the second bidirectional threaded rod (21), an adjustment frame (23) is fixedly connected to the middle end of the lifting plate (2), a second worm (24) is rotatably connected between the front and rear inner side walls of the adjustment frame (23), and the second worm (24) is meshingly connected to the second worm gear (22).

8. The foundation pit support structure for building construction according to claim 7, characterized in that: The rear end of the second worm (24) and the top end of the first adjustment shaft (16) are both fixedly connected with a rocker (25).

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