A square and round pile combined foundation pit support structure

Abstract

The utility model discloses a square and round pile combined foundation pit support structure, which specifically relates to the technical field of support structures, including a support plate, support side plates are installed on both sides of the support plate, a support circular plate is installed on one side of the support side plate, and a detachable support mechanism is arranged between the support plate and the support circular plate; the detachable support mechanism includes a first support column and a second support column, the first support column and the second support column are both arranged between the support plate and the support circular plate, a first support rod is fixedly connected to the outer side of the first support column, and a connecting block is fixedly connected to one end of the first support rod. The utility model can individually disassemble and replace each support plate by arranging a detachable support mechanism and a moving mechanism, so as to prevent the support plate from being damaged during long-term use, thereby affecting the supporting effect of the overall support plate on the foundation pit, and facilitates the rapid disassembly and replacement of individual support plates, reduces the difficulty of maintenance and replacement, improves the efficiency of maintenance and replacement, and ensures the construction progress.

Description

Technical Field

[0001] The utility model relates to the technical field of supporting structures, and more specifically, to a square-round pile combined foundation pit supporting structure. Background Art

[0002] The square and round pile combination foundation pit is a common basic engineering structure, usually used for the support of deep foundation pits of buildings and the construction of underground structures. This structure is mainly composed of piles and support systems. The piles can be square or round, or a combination of square and round. The square and round pile combination foundation pit support structure is a support structure used in deep foundation pit excavation, especially suitable for situations under complex geological conditions and limited space in the surrounding environment.

[0003] After searching, a Chinese patent with announcement number CN218291976U discloses a square-circle combined ultra-deep permanent foundation pit support structure. During the construction process, large complex stresses will be generated at the construction joints of the connection between each layer of lining wall and the continuous wall, and between the upper and lower lining walls, resulting in cracks and a large amount of water leakage. This is very unfavorable for the safety and use function of the ultra-deep permanent underground structure, and seriously affects the safety, durability and use function of the underground structure. There are large bending shear stresses in the construction joints between the lining walls and the continuous walls of the square and circular ultra-deep permanent foundation pits, and large tensile stresses in the construction joints between the lining walls, which are very easy to crack and cause water leakage, thus solving the engineering technical problem. As a result, the foundation pit support structure can meet the functional requirements and structural durability requirements of the ultra-deep permanent foundation pit with a service life of 50 to 100 years without water leakage.

[0004] During the use of the square and round pile combined foundation pit support structure, when a part of the traditional support plate is damaged, it is difficult to quickly disassemble and replace the individual damaged support plate due to its overall fixed connection structure, which increases the difficulty and cost of maintenance, and may also affect the progress of the entire project due to the long maintenance time. Utility Model Content

[0005] In order to overcome the problems and defects in the prior art, the utility model provides a square and round pile combined foundation pit support structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a square and round pile combined foundation pit support structure, comprising a support plate, support side plates are installed on both sides of the support plate, a support circular plate is installed on one side of the support side plate, and a detachable support mechanism is arranged between the support plate and the support circular plate;

[0007] The detachable supporting mechanism comprises a first supporting column and a second supporting column, wherein the first supporting column and the second supporting column are both arranged between the supporting plate and the supporting circular plate, a first supporting rod is fixedly connected to the outer side of the first supporting column, a connecting block is fixedly connected to one end of the first supporting rod, a hollow clamping plate is fixedly connected to one side of the connecting block, a clamping groove is provided on one side surface of the supporting plate and the supporting side plate, a movable clamping plate is slidably connected to the inside of the hollow clamping plate, fixed clamping grooves are provided on both side surfaces of the inner wall of the clamping groove, a connecting slider is fixedly connected to the bottom of the movable clamping plate, a through sliding groove is provided on one side surface of the hollow clamping plate, and a movable mechanism is provided on one side of the hollow clamping plate.

[0008] Preferably, the moving mechanism comprises a fixed plate, the fixed plate is fixed to one side of the hollow clamping plate, one end of the connecting slider is fixedly connected to a moving block, and a threaded hole is opened on one side surface of the moving block.

[0009] Preferably, a threaded rod is threadedly connected to the inside of the threaded hole, two groups of threads are symmetrically arranged on the outer surface of the threaded rod, one end of the threaded rod passes through the fixed plate and extends to one side of the fixed plate, the threaded rod is fixedly connected to a knob, and the threaded rod is rotationally connected to the fixed plate.

[0010] Preferably, the hollow card plate is movably connected to the card slot, and the movable card plate is movably connected to the fixed card slot.

[0011] Preferably, the through sliding groove is slidably connected to the connecting sliding block, and the number of the supporting plates, supporting side plates and supporting circular plates is set to be multiple.

[0012] Preferably, a movable sleeve is provided on the outer side of the second support column, and a connecting threaded hole is provided on one side surface of the second support column and the movable sleeve, and a fixing bolt is threadedly connected inside the connecting threaded hole.

[0013] Preferably, the bottoms of the first support column and the second support column are both fixedly connected with fixing nails, and both sides of the fixing nails are fixedly connected with barbs.

[0014] Technical effects and advantages of the utility model:

[0015] 1. By setting a detachable support mechanism and a moving mechanism, the threaded rod is driven to rotate by rotating the knob, so that the moving block, the connecting slider and the moving card plate can work together to realize the rapid disassembly of the support plate and the support side plate, which is convenient for replacement. When the support plate or the support side plate is damaged or deformed after long-term use, it can be quickly disassembled and replaced with a new part to ensure the integrity and stability of the support structure. The support circular plate can be disassembled by rotating the fixing bolt and taking out the moving sleeve, which is convenient for replacement, preventing the support plate from being damaged during long-term use, which may affect the supporting effect of the overall support plate on the foundation pit, and facilitating the rapid disassembly and replacement of a single support plate, thereby reducing the difficulty of maintenance and replacement, improving the efficiency of maintenance and replacement, and ensuring the construction progress.

[0016] 2. By setting fixing nails at the bottom of the first support column and the second support column, and setting barbs on the outside of the fixing nails, the fixing nails can be inserted into the ground. The barbs can improve the support effect and fixing effect of the overall support structure and ensure the stability of the overall support structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the connection between the supporting plate and the supporting side plate of the utility model.

[0019] Figure 3 It is a schematic diagram of the internal structure of the supporting circular plate of the utility model.

[0020] Figure 4 It is a cross-sectional structural schematic diagram of the utility model.

[0021] Figure 5 For the utility model Figure 1 Enlarged structural diagram at A in the middle.

[0022] Figure 6 For the utility model Figure 4 Enlarged structural diagram at B in the middle.

[0023] The accompanying drawings are marked as follows: 1. Support plate; 2. Support side plate; 3. Support circular plate; 4. First support column; 5. Second support column; 6. First support rod; 7. Connecting block; 8. Hollow clamping plate; 9. Clamping slot; 10. Moving clamping plate; 11. Fixed clamping slot; 12. Through slide groove; 13. Connecting slider; 14. Fixed plate; 15. Moving block; 16. Threaded hole; 17. Threaded rod; 18. Knob; 19. Connecting threaded hole; 20. Moving sleeve; 21. Fixing bolt; 22. Second support rod; 23. Fixing nail; 24. Barb. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] As attached Figure 1-6 A square-circle pile combined foundation pit support structure shown in the figure comprises a support plate 1, support side plates 2 are installed on both sides of the support plate 1, a support circular plate 3 is installed on one side of the support side plate 2, and a detachable support mechanism is provided between the support plate 1 and the support circular plate 3;

[0026] The detachable supporting mechanism includes a first supporting column 4 and a second supporting column 5, and the first supporting column 4 and the second supporting column 5 are both arranged between the supporting plate 1 and the supporting circular plate 3. The first supporting column 4 is fixedly connected to the outside of the first supporting rod 6, and one end of the first supporting rod 6 is fixedly connected to a connecting block 7, and one side of the connecting block 7 is fixedly connected to a hollow clamping plate 8. A clamping groove 9 is provided on the surface of one side of the supporting plate 1 and the supporting side plate 2, and a movable clamping plate 10 is slidably connected inside the hollow clamping plate 8. Fixed clamping grooves 11 are provided on the surfaces of both sides of the inner wall of the clamping groove 9, and a connecting slider 13 is fixedly connected to the bottom of the movable clamping plate 10, a through sliding groove 12 is provided on the surface of one side of the hollow clamping plate 8, and a movable mechanism is provided on one side of the hollow clamping plate 8.

[0027] As attached Figure 1 , 2 As shown in , 4, 5, and 6, the moving mechanism includes a fixed plate 14, which is fixed on one side of the hollow card plate 8. One end of the connecting slider 13 is fixedly connected to a moving block 15. A threaded hole 16 is provided on one side of the moving block 15. A threaded rod 17 is threadedly connected to the inner surface of the threaded hole 16. Two groups of threads are symmetrically arranged on the outer surface of the threaded rod 17. One end of the threaded rod 17 passes through the fixed plate 14 and extends to one side of the fixed plate 14. The threaded rod 17 is fixedly connected to a knob 18. The threaded rod 17 is rotatably connected to the fixed plate 14, which facilitates the moving card plate 10 to be retracted into the hollow card plate 8, and facilitates the separation of the support plate 1 and the support side plate 2 from the hollow card plate 8.

[0028] As attached Figure 1 , 2 As shown in , 4, 5, and 6, the hollow clamping plate 8 is movably connected with the clamping slot 9, the movable clamping plate 10 is movably connected with the fixed clamping slot 11, the through-slide groove 12 is slidably connected with the connecting slider 13, and the number of the supporting plate 1, the supporting side plate 2, and the supporting circular plate 3 are all set to be multiple, which is convenient for disassembly of the supporting plate 1 and the supporting side plate 2.

[0029] As attached Figure 1 , 3As shown in Figure 4, a movable sleeve 20 is provided on the outer side of the second support column 5, and a connecting threaded hole 19 is opened on the surface of one side of the second support column 5 and the movable sleeve 20. The internal threaded connection of the connecting threaded hole 19 is connected with a fixing bolt 21, which is convenient for the individual disassembly of each supporting circular plate 3.

[0030] As attached Figure 2 , 3 As shown, the bottom of the first support column 4 and the second support column 5 are fixedly connected with fixing nails 23, and both sides of the fixing nails 23 are fixedly connected with barbs 24, which is convenient for improving the fixing effect of the first support column 4 and the second support column 5, thereby ensuring the supporting effect.

[0031] Working principle of the utility model: When the support plate 1 and the support side plate 2 are disassembled by a square-round pile combined foundation pit support structure provided by the utility model, the knob 18 is first rotated to make the knob 18 drive the threaded rod 17 to rotate. At the same time, due to the threaded connection between the threaded rod 17 and the threaded hole 16, the two moving blocks 15 move closer to each other, so that the moving block 15 drives the connecting slider 13 to move, so that the moving card plate 10 is moved out of the fixed card slot 11, so that the moving card plate 10 is retracted. Retract it into the hollow clamping plate 8, and then pull the hollow clamping plate 8 to move it out of the clamping slot 9, so that the supporting plate 1 and the supporting side plate 2 can be moved out, which is convenient for disassembly and replacement of the supporting plate 1 and the supporting side plate 2. When disassembling the supporting circular plate 3, rotate the fixing bolt 21 to screw the fixing bolt 21 out of the connecting threaded hole 19, and take the movable sleeve 20 out of the second support column 5, so as to complete the disassembly of the supporting circular plate 3, which is convenient for disassembly and replacement of the supporting circular plate 3.

[0032] Finally: The above embodiments are only illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A square and round pile combined foundation pit support structure, comprising a support plate (1), characterized in that: Support side plates (2) are installed on both sides of the support plate (1), a support circular plate (3) is installed on one side of the support side plate (2), and a detachable support mechanism is provided between the support plate (1) and the support circular plate (3); The detachable support mechanism comprises a first support column (4) and a second support column (5), the first support column (4) and the second support column (5) are both arranged between the support plate (1) and the support circular plate (3), the first support column (4) is fixedly connected to a first support rod (6) on the outside, one end of the first support rod (6) is fixedly connected to a connection block (7), one side of the connection block (7) is fixedly connected to a hollow clamping plate (8), one side surface of the support plate (1) and the support side plate (2) are both provided with a clamping groove (9), a movable clamping plate (10) is slidably connected inside the hollow clamping plate (8), both sides of the inner wall of the clamping groove (9) are provided with fixed clamping grooves (11), the bottom of the movable clamping plate (10) is fixedly connected to a connecting slider (13), one side surface of the hollow clamping plate (8) is provided with a through sliding groove (12), and one side of the hollow clamping plate (8) is provided with a moving mechanism.

2. The square and round pile combined foundation pit support structure according to claim 1 is characterized in that: The moving mechanism comprises a fixed plate (14), the fixed plate (14) being fixed to one side of the hollow clamping plate (8), one end of the connecting slider (13) being fixedly connected to a moving block (15), and a threaded hole (16) being provided on one side surface of the moving block (15).

3. The square and round pile combined foundation pit support structure according to claim 2 is characterized in that: The threaded hole (16) is internally threadedly connected to a threaded rod (17); the outer surface of the threaded rod (17) is symmetrically provided with two groups of threads; one end of the threaded rod (17) passes through the fixing plate (14) and extends to one side of the fixing plate (14); the threaded rod (17) is fixedly connected to a knob (18); and the threaded rod (17) is rotationally connected to the fixing plate (14).

4. The square and round pile combined foundation pit support structure according to claim 1 is characterized in that: The hollow clamping plate (8) is movably clamped to the clamping slot (9), and the movable clamping plate (10) is movably clamped to the fixed clamping slot (11).

5. The square-round pile combined foundation pit support structure according to claim 1 is characterized in that: The through sliding groove (12) is slidably connected to the connecting sliding block (13), and the number of the supporting plate (1), the supporting side plate (2) and the supporting circular plate (3) is set to be multiple.

6. The square and round pile combined foundation pit support structure according to claim 1 is characterized in that: The movable sleeve (20) is provided on the outer side of the second support column (5), and the second support column (5) and the movable sleeve (20) are both provided with connecting threaded holes (19) on one side surface, and the connecting threaded holes (19) are internally threadedly connected with fixing bolts (21).

7. The square and round pile combined foundation pit support structure according to claim 1 is characterized in that: The bottoms of the first support column (4) and the second support column (5) are both fixedly connected with fixing nails (23), and both sides of the fixing nails (23) are fixedly connected with barbs (24).

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