Foundation pit supporting mechanism

Abstract

The utility model discloses a foundation pit supporting mechanism which comprises a foundation pit, a first supporting frame and a second supporting frame are arranged in the foundation pit, the first supporting frame and the second supporting frame are connected in a clamped mode, fixing columns are installed at the front ends and the rear ends of the sides, away from each other, of the tops of the first supporting frame and the second supporting frame, and extension columns are arranged in the multiple fixing columns. A filter is installed at the left end of the front side of the second supporting frame. A foundation pit is supported through the first supporting frame, the second supporting frame, a plurality of second supporting seats and a plurality of first supporting seats; when the distance between the first supporting frame and the second supporting frame is increased, a plurality of first connecting holes, a plurality of second connecting holes, connecting inserting rods and connecting inserting cylinders are used for increasing the distance between the first supporting frame and the second supporting frame to adjust the length, and the function of adjusting the length is added to adapt to supporting of the foundation pit; and the height lifting function is added on the basis of foundation pit supporting through the fixing columns and the extension columns.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a foundation pit supporting mechanism. Background Art

[0002] The retaining structure, groundwater control, and environmental protection measures required to ensure the safety and stability of the underground space formed by excavation from the ground during the construction of underground structures are called foundation pit engineering. Foundation pit support is to ensure the safety of underground structure construction and the surrounding environment of the foundation pit. The support, reinforcement and protection measures for the side walls of the foundation pit and the surrounding environment require the use of foundation pit support mechanisms. However, the existing foundation pit support mechanisms are all spliced ​​support operations, which are more complicated, and the overall function is relatively single, and the use effect is poor. Utility Model Content

[0003] The purpose of the utility model is to provide a foundation pit supporting mechanism to solve the problems raised in the above background technology, however, the existing foundation pit supporting mechanisms are all spliced, the support operation is complicated, the overall function is relatively simple, and the use effect is poor.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit support mechanism, including a foundation pit, wherein a support frame 1 and a support frame 2 are arranged in the foundation pit, the support frame 1 and the support frame 2 are snap-connected, the tops of the support frame 1 and the support frame 2 are both installed with fixed columns at the front and rear ends away from one side, and extension columns are arranged inside the plurality of fixed columns, a plurality of support seats 1 are installed on two of the fixed columns on one side, and a plurality of support seats 2 are installed on two of the fixed columns on the other side, and slide grooves are arranged on the front and rear ends of the inner sides of the support frame 2, and the front and rear sides of the support frame 1 are A slider is installed on the left end, and the two slide grooves are slidably connected to the corresponding sliders respectively. A plurality of connecting holes one are equidistantly distributed on the front and rear sides of the support frame two, and a plurality of connecting holes two are equidistantly distributed on the support frame one. The plurality of connecting holes one are respectively engaged with the corresponding connecting plug-in cylinders, and the plurality of connecting holes two are respectively engaged with the corresponding connecting plug-in rods. The plurality of connecting plug-in rods are respectively detachably connected to the corresponding connecting plug-in cylinders through threads. A filter is installed on the left end of the front side of the support frame two, and the plurality of connecting plug-in cylinders and the plurality of connecting plug-in rods are respectively threadedly connected to the corresponding fastening caps.

[0005] As a preferred technical solution of the utility model, multiple fixing holes 2 are evenly distributed on the fixing columns, multiple extending columns are provided with fixing holes 1 at their bottoms, and multiple fixing holes 2 and multiple fixing holes 1 are all engaged and connected with the fixing rods.

[0006] As a preferred technical solution of the utility model, the rear side of the filter is connected to the front end of the connecting pipe, the rear end of the connecting pipe is connected to the front side of the submersible pump, the top of the submersible pump is connected to the bottom of the discharge pipe, the top of the discharge pipe passes through multiple support seats 2 in sequence, and the bottom of the filter is connected to a lower pipe.

[0007] As a preferred technical solution of the utility model, the plurality of extension columns are respectively slidably connected at the middle of the corresponding fixed columns, and the left side of the support frame one is slidably connected at the inner side of the support frame two.

[0008] As a preferred technical solution of the utility model, a plurality of water absorption holes are evenly distributed on the support frame 1, and a pointed cone seat is provided at the bottom of the support frame 1 and the support frame 2.

[0009] As a preferred technical solution of the utility model, pit reinforcement soil is provided at the bottom of the foundation pit.

[0010] As a preferred technical solution of the utility model, a single row of bored piles and a double row of cement mixing piles are arranged on one side of the foundation pit.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The foundation pit is supported by a support frame 1 and a support frame 2 and a plurality of support seats 2 and a pair of support seats, and can be adjusted during the support process. Specifically, the support frame 1 is pulled out from the inner side of the support frame 2, and a slider is moved in the slide groove to play a role of connecting support. When the support frame 1 and the support frame 2 are pulled apart, there are a plurality of connection holes 1, a plurality of connection holes 2, a connection rod and a connection plug tube to adjust the length of the support frame 1 and the support frame 2. The distance inside the foundation pit is uncertain, so an adjustable mechanism is designed in the support, and the function of adjusting the length is added to the foundation pit support to adapt to the support of the foundation pit, which is convenient to support and has good use effect;

[0013] 2. Filter the water at the bottom of the foundation pit through a filter, then use a submersible pump to extract the water that has filtered out impurities, and pump it to the outside of the foundation pit through a drainage pipe. A filtering mechanism is added on the basis of the foundation pit support, which can filter the water inside the foundation pit while providing support.

[0014] 3. The extension column can extend the height inside the fixed column to increase the length of the fixed column, and by matching the fixing hole 1 with the fixing hole 2 of different height and then fixing them through the fixing rod, the fixed column and the extension column are fixed together, thereby increasing the function of lifting height on the basis of foundation pit support. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a top perspective view of the utility model;

[0016] Figure 2 It is a cutaway stereogram of the utility model;

[0017] Figure 3 This is a top view of the structure of the utility model;

[0018] Figure 4 This is a bottom-up structural split diagram of the utility model;

[0019] Figure 5 It is a main perspective view of the utility model.

[0020] In the figure: 1. foundation pit; 2. single-row bored piles; 3. double-row cement mixing piles; 4. support frame 1; 5. support frame 2; 6. water absorption hole; 7. support seat 1; 8. support seat 2; 9. fixed column; 10. extension column; 11. row pipe; 12. reinforced soil in the pit; 13. fixed hole 1; 14. fixed hole 2; 15. fixed plug rod; 16. slide groove; 17. slider; 18. connecting hole 1; 19. connecting hole 2; 20. connecting plug tube; 21. connecting plug rod; 22. fastening cap; 23. submersible pump; 24. connecting pipe; 25. filter; 26. down pipe; 27. pointed cone seat. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-5The utility model provides a foundation pit supporting mechanism, including a foundation pit 1, in which a supporting frame 1 4 and a supporting frame 2 5 are arranged, and the supporting frame 1 4 and the supporting frame 2 5 are snap-connected, and the tops of the supporting frame 1 4 and the supporting frame 2 5 are installed with fixed columns 9 at the front and rear ends away from one side, and the interiors of the multiple fixed columns 9 are provided with extension columns 10, and multiple support seats 1 7 are installed on two fixed columns 9 on one side, and multiple support seats 2 8 are installed on two fixed columns 9 on the other side. The front and rear ends of the inner sides of the supporting frame 2 5 are provided with slide grooves 16, and the left ends of the front and rear sides of the supporting frame 1 4 are installed with sliders 17, and the two slide grooves 16 are respectively slidably connected with the corresponding sliders 17, and the front and rear sides of the supporting frame 2 5 are equidistantly distributed with multiple connecting holes 18, and the supporting frame 1 4 is equidistantly distributed with multiple connecting holes 29, and the multiple connecting holes 18 are respectively snap-connected with the corresponding connecting plugs 20, and the multiple The connecting holes 19 are respectively engaged with the corresponding connecting rods 21, and the multiple connecting rods 21 are respectively detachably connected with the corresponding connecting plugs 20 through threads. A filter 25 is installed at the left end of the front side of the support frame 25, and the multiple connecting plugs 20 and the multiple connecting rods 21 are respectively threadedly connected with the corresponding fastening caps 22; the support frame 1 4 and the support frame 2 5 as well as the multiple support seats 2 8 and the multiple support seats 1 7 support the foundation pit 1, and can be adjusted and used during the support process, specifically by pulling the support frame 1 4 out from the inner side of the support frame 2 5, and the slider 17 moves in the slide groove 16 to play the role of connecting support, and when the support frame 1 4 and the support frame 2 5 are pulled apart, there are multiple connecting holes 18, multiple connecting holes 2 19, connecting rods 21 and connecting plugs 20 to fix the distance between the support frame 1 4 and the support frame 2 5. Figure 3 The distance inside the foundation pit 1 is uncertain, so an adjustable mechanism is designed in the support.

[0023] Fixing holes 14 are evenly distributed on the multiple fixing columns 9, and fixing holes 13 are set at the bottom of the multiple extension columns 10. The multiple fixing holes 14 and the multiple fixing holes 13 are all connected with the fixing plug rod 15 by snapping. By matching the fixing holes 13 with the fixing holes 14 at different heights and then snapping and fixing them with the fixing plug rod 15, the fixing column 9 and the extension column 10 are fixed together.

[0024] The rear side of the filter 25 is connected to the front end of the connecting pipe 24, the rear end of the connecting pipe 24 is connected to the front side of the submersible pump 23, the top of the submersible pump 23 is connected to the bottom of the drain pipe 11, the top of the drain pipe 11 passes through a plurality of support seats 8 in sequence, and the bottom of the filter 25 is connected to a down pipe 26. The water at the bottom of the foundation pit 1 is filtered through the filter 25, and then the water with filtered impurities is extracted by the submersible pump 23 and pumped to the outside of the foundation pit 1 through the drain pipe 11.

[0025] Multiple extension columns 10 are slidably connected in the middle of the corresponding fixed columns 9, and the left side of the support frame 1 4 is slidably connected to the inner side of the support frame 2 5. The extension column 10 can extend the height inside the fixed column 9 to increase the length of the fixed column 9.

[0026] There are multiple water absorption holes 6 evenly distributed on the support frame 1 4, and the bottoms of the support frames 1 4 and 2 5 are both provided with pointed cone seats 27. By adding multiple water absorption holes 6 and the water absorption holes 6 have sealing covers, pipes can be connected through the water absorption holes 6 to penetrate through the support frame 1 4 and absorb water from the bottom of the foundation pit 1.

[0027] The bottom of the foundation pit 1 is provided with pit reinforcement soil 12 to increase the support degree of the foundation pit 1. One side of the foundation pit 1 is provided with a single-row bored pile 2 and a double-row cement mixing pile 3. The single-row bored pile 2 is formed by underwater concrete, and the double-row cement mixing pile 3 is a cement soil mixing pile formed by using the power system of a bidirectional cement soil mixing pile machine to drive two sets of mixing blades respectively installed on the inner and outer concentric drill rods, and rotating forward and reversely to mix the cement soil.

[0028] In the utility model, the support frame 1 4 and the support frame 2 5 as well as the plurality of support seats 2 8 and the plurality of support seats 1 7 support the foundation pit 1, and can be adjusted and used during the support process, specifically by pulling the support frame 1 4 out from the inner side of the support frame 2 5, and having a slider 17 move in the slide groove 16 to play the role of connecting support, when the support frame 1 4 and the support frame 2 5 are pulled apart, there are a plurality of connection holes 18, a plurality of connection holes 2 19, a connection plug rod 21 and a connection plug tube 20 to fix the distance between the support frame 1 4 and the support frame 2 5. Figure 3 , the distance inside the foundation pit 1 is uncertain, so an adjustable mechanism is designed in the support, and the function of adjusting the length is added to the foundation pit support to adapt to the support of the foundation pit 1;

[0029] The water at the bottom of the foundation pit 1 is filtered through the filter 25, and then the water with filtered impurities is extracted through the submersible pump 23 and pumped to the outside of the foundation pit 1 through the drainage pipe 11. A filtering mechanism is added on the basis of the support of the foundation pit 1, so that the water inside the foundation pit 1 can be filtered while supporting it.

Claims

1. A foundation pit support mechanism, comprising a foundation pit (1), characterized in that: A support frame 1 (4) and a support frame 2 (5) are arranged in the foundation pit (1), and the support frame 1 (4) and the support frame 2 (5) are snap-connected, and the front and rear ends of the tops of the support frame 1 (4) and the support frame 2 (5) are both installed with fixed columns (9) on one side, and extension columns (10) are arranged inside the plurality of fixed columns (9), and a plurality of support seats 1 (7) are installed on two of the fixed columns (9) on one side, and a plurality of support seats 2 (8) are installed on two of the fixed columns (9) on the other side, and slide grooves (16) are arranged on the front and rear ends of the inner sides of the support frame 2 (5), and sliders (17) are installed on the left ends of the front and rear sides of the support frame 1 (4), and the two slide grooves (16) are respectively Slidingly connected to the corresponding slider (17), the front and rear sides of the support frame 2 (5) are equidistantly provided with a plurality of connection holes 1 (18), and the support frame 1 (4) is equidistantly provided with a plurality of connection holes 2 (19). The plurality of connection holes 1 (18) are respectively engaged with the corresponding connection plug-in sleeves (20), and the plurality of connection holes 2 (19) are respectively engaged with the corresponding connection plug-in rods (21). The plurality of connection plug-in rods (21) are respectively threadedly detachably connected to the corresponding connection plug-in sleeves (20). A filter (25) is installed at the left end of the front side of the support frame 2 (5), and the plurality of connection plug-in sleeves (20) and the plurality of connection plug-in rods (21) are respectively threadedly connected to the corresponding fastening caps (22).

2. The foundation pit supporting mechanism according to claim 1, characterized in that: The plurality of fixing columns (9) are evenly spaced with fixing holes two (14), the plurality of extension columns (10) are each provided with fixing holes one (13) at their bottoms, and the plurality of fixing holes two (14) and the plurality of fixing holes one (13) are both snap-fitted and connected to the fixing plug rod (15).

3. The foundation pit supporting mechanism according to claim 1, characterized in that: The rear side of the filter (25) is connected to the front end of the connecting pipe (24), the rear end of the connecting pipe (24) is connected to the front side of the submersible pump (23), the top of the submersible pump (23) is connected to the bottom of the drain pipe (11), the top of the drain pipe (11) passes through a plurality of support seats (8) in sequence, and the bottom of the filter (25) is connected to a lower pipe (26).

4. The foundation pit supporting mechanism according to claim 1, characterized in that: The plurality of extension columns (10) are respectively slidably connected to the middle of the corresponding fixed columns (9), and the left side of the support frame 1 (4) is slidably connected to the inner side of the support frame 2 (5).

5. The foundation pit supporting mechanism according to claim 1, characterized in that: The support frame 1 (4) is provided with a plurality of water absorption holes (6) which are evenly distributed, and the bottoms of the support frame 1 (4) and the support frame 2 (5) are both provided with pointed cone seats (27).

6. The foundation pit supporting mechanism according to claim 1, characterized in that: The bottom of the foundation pit (1) is provided with pit reinforcement soil (12).

7. The foundation pit supporting mechanism according to claim 1, characterized in that: A single row of bored piles (2) and a double row of cement mixing piles (3) are arranged on one side inside the foundation pit (1).

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