Anti-settling adjustable composite foundation

Abstract

The anti-settling adjustable composite foundation comprises multiple rows and multiple columns of precast piles inserted into a soil body, an adjustable bearing platform is arranged at the upper end of each precast pile, multiple channels are formed in the upper portions of the precast piles, upper openings of the channels are located in the upper ends of the precast piles, and lower openings of the channels are located in the side walls of the precast piles. And the adjustable bearing platform is provided with a through hole communicated with the channel. According to the anti-sedimentation adjustable composite foundation, the multiple rows and columns of precast piles are combined with the soil body to form the composite foundation, the stability of the foundation is improved, foundation sedimentation can be prevented, and when individual or multiple precast piles are settled, a drill rod penetrates through the through holes and the channels and drills the soil body, so that the soil body is prevented from being settled. Then the drill rod is taken out, concrete is poured into the drill hole and the channel, and the concrete is combined with the precast pile and the surrounding soil body after being solidified, so that the anti-settling capacity of the composite foundation is further improved, and the bearing capacity of the composite foundation is improved through the adjustable bearing platform; foundation settlement is prevented, and meanwhile, the adjustable bearing platform can be adjusted according to the foundation settlement.

Description

Technical Field

[0001] The invention relates to the technical field of foundations, and in particular to an anti-settlement adjustable composite foundation. Background Art

[0002] Composite foundations are generally divided into cement-soil mixing pile composite foundations, high-pressure jet grouting pile composite foundations, sand pile foundations, vibro-compaction pile composite foundations, soil and ash-soil compaction pile composite foundations, cement fly ash gravel pile composite foundations, and compacted cement-soil pile composite foundations. For example, the Chinese invention patent with application number CN202311800397.8 discloses a single-insertion rigid pile composite foundation and a construction method thereof. The bottom end of the rigid pile of the single-insertion rigid pile composite foundation is placed on the bedrock, a cushion layer is arranged at the top of the pile, and a bidirectional geogrid is arranged in the middle of the cushion layer. This composite foundation cannot prevent settlement well and cannot be adjusted. Summary of the invention

[0003] In view of the shortcomings of the background technology, the technical problem to be solved by the present invention is to provide an anti-settlement and adjustable composite foundation.

[0004] To this end, the present invention is implemented by adopting the following technical solutions:

[0005] An anti-settlement adjustable composite foundation, characterized in that it comprises multiple rows and columns of precast piles inserted in the soil, each of the precast piles having an adjustable cap at the upper end, multiple channels at the upper part of the precast piles, the upper openings of the channels being located at the upper ends of the precast piles, and the lower openings of the channels being located at the side walls of the precast piles, and the adjustable caps being provided with through holes communicating with the channels.

[0006] Furthermore, the adjustable support platform includes an upper support platform, a lower support platform and a plurality of adjustment structures, wherein the adjustment structure is located between the upper support platform and the lower support platform, and the adjustment structure includes a top block that can raise or lower the upper support platform.

[0007] Furthermore, several of the adjustment structures are distributed around the through hole, and the adjustment structure also includes a detachably connected base and an upper shell body, and a sleeve, a screw and a plane bearing are arranged in the upper shell body and the base from top to bottom in sequence, the sleeve opening faces downward, and the inner wall of the lower part of the sleeve is provided with a threaded portion screwed with the screw, a slide groove is provided on one side of the sleeve, and the sleeve can pass through the upper shell body, and the upper shell body is provided with a sliding block inserted into the slide groove and can slide in the slide groove, a first bevel gear is sleeved on the lower end of the screw, and the lower end of the first bevel gear is against the upper end surface of the plane bearing, the base is provided with a first groove, and the plane bearing is inserted into the first groove, a transverse driving rod is movably provided on one side of the upper shell body, and the transverse driving rod is provided with a second bevel gear meshing with the first bevel gear, and the top block is fixed to the upper end of the sleeve.

[0008] Furthermore, the side of the upper shell body is detachably provided with a cover shell covering the transverse drive rod, the transverse drive rod inside the cover shell is sleeved with a third bevel gear, and a vertical drive rod is movably passed through the upper end of the cover shell, the cross-section of the vertical drive rod is hexagonal, and the lower end of the vertical drive rod is sleeved with a fourth bevel gear meshing with the third bevel gear, and the upper support platform is provided with an adjustment hole for accommodating the vertical drive rod to be inserted and movable, and a plug is screwed on the upper end of the adjustment hole.

[0009] Furthermore, the upper end surface of the lower support platform is provided with a second groove for placing the base, the lower end surface of the upper support platform is provided with a third groove for placing the upper shell and the cover shell, and the upper end of the third groove is provided with a fourth groove for inserting the top block.

[0010] Further, the diameter of the fourth bevel gear is smaller than the diameter of the third bevel gear, the diameter of the third bevel gear is smaller than the diameter of the second bevel gear, and the diameter of the second bevel gear is smaller than the diameter of the first bevel gear.

[0011] Furthermore, a circular ring is provided at the lower part of the vertical driving rod, the cover shell is provided with a circular groove aligned with the circular ring, and graphite packings are respectively provided between the transverse driving rod and the upper shell, between the transverse driving rod and the cover shell, and between the circular ring and the circular groove.

[0012] Furthermore, the upper opening and the lower opening of the channel are both provided with hard shell seals.

[0013] Furthermore, a hexagonal countersunk hole is provided on the upper end of the plug.

[0014] After adopting the above technical scheme, a composite foundation is formed by combining multiple rows and columns of precast piles with the soil, which improves the stability of the foundation and can prevent foundation settlement. When individual or multiple precast piles settle, the drill rod is passed through the through hole and the channel and drills the soil. Then the drill rod is taken out and concrete is poured into the drill hole and the channel. After the concrete solidifies, it is combined with the precast piles and the surrounding soil, thereby further improving the anti-settlement ability of the composite foundation. In addition, the upper end of the precast pile has an adjustable cap, which improves the bearing capacity of the composite foundation. While preventing the foundation from settling, the adjustable cap can also be adjusted according to the foundation settlement, so that many caps can maintain the same horizontal position. After the composite foundation becomes stable, other structures can be built on the adjustable cap. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention has the following accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the top view of the structure of the present invention;

[0017] Figure 2 It is a structural schematic diagram of a single adjustable cap and a partially prefabricated pile in the present invention;

[0018] Figure 3It is a schematic diagram of the local structure of the drill rod drilling into the soil and concrete pouring into the borehole in the present invention;

[0019] Figure 4 It is a schematic diagram of the partial internal structure of the adjustable support platform in the present invention.

[0020] Figure numerals: 1. precast pile; 2. adjustable bearing platform; 3. channel; 4. through hole; 5. upper bearing platform; 6. lower bearing platform; 7. adjustment structure; 8. top block; 9. base; 10. upper shell; 11. sleeve; 12. screw; 13. plane bearing; 14. threaded portion; 15. slide groove; 16. slider; 17. first bevel gear; 18. first groove; 19. transverse drive rod; 20. second bevel gear; 21. cover shell; 22. third bevel gear; 23. vertical drive rod; 24. fourth bevel gear; 25. adjustment hole; 26. plug; 27. second groove; 28. third groove; 29. ​​fourth groove; 30. ring; 31. ring groove; 32. graphite packing; 33. hard shell seal; 34. hexagonal countersunk hole; 35. drill rod; 36. concrete. DETAILED DESCRIPTION

[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0022] Referring to the above-mentioned drawings, an anti-settlement adjustable composite foundation provided by the present invention includes multiple rows and columns of precast piles 1 inserted in the soil, each of the precast piles 1 is provided with an adjustable base 2 at the upper end, and multiple channels 3 are provided on the upper part of the precast pile 1, the upper opening of the channel 3 is located at the upper end of the precast pile 1, and the lower opening of the channel 3 is located at the side wall of the precast pile 1, the adjustable base 2 is provided with a through hole 4 communicating with the channel 3, and the upper opening and lower opening of the channel 3 are both provided with a hard shell seal 33.

[0023] In this embodiment, a composite foundation is formed by combining multiple rows and columns of precast piles 1 with the soil, thereby improving the stability of the foundation and preventing the foundation from settling. When individual or multiple precast piles 1 settle, the drill rod 35 passes through the through hole 4 and the channel 3 and drills the soil, then the drill rod 35 is taken out and concrete 36 is poured into the drill hole and the channel 3. After the concrete 36 solidifies, it is combined with the precast pile 1 and the surrounding soil, thereby further improving the anti-settling ability of the composite foundation. In addition, the upper end of the precast pile 1 The adjustable cap 2 improves the bearing capacity of the composite foundation and prevents the foundation from settling. The adjustable cap 2 can also be adjusted according to the foundation settlement so that many caps can maintain the same horizontal position. After the composite foundation tends to be stable, other structures can be built on the adjustable cap 2. The upper and lower openings of the channel 3 are both provided with hard shell seals 33, which can prevent soil and other debris from entering the precast pile 1 and the through hole 4. When the precast pile 1 is deposited, the hard shell seal 33 can be drilled through by the drill rod 35.

[0024] Reference Figure 1 , Figure 2 and Figure 4As shown, several adjustment structures 7 are distributed around the through hole 4, and the adjustable platform 2 includes an upper platform 5, a lower platform 6 and several adjustment structures 7, the adjustment structure 7 is located between the upper platform 5 and the lower platform 6, the adjustment structure 7 includes a top block 8 that can lift or lower the upper platform 5, and the adjustment structure 7 also includes a detachably connected base 9 and an upper shell 10, and the upper shell 10 and the base 9 are sequentially provided with a sleeve 11, a screw 12 and a plane bearing 13 from top to bottom, the sleeve 11 is opened downward, and the lower inner wall of the sleeve 11 is provided with a threaded portion 14 screwed to the screw 12, and a slide groove 15 is provided on one side of the sleeve 11. The sleeve 11 can pass through the upper shell 10, and the upper shell 10 is provided with a slider 16 inserted into the slide groove 15 and can slide in the slide groove 15. The lower end of the screw 12 is sleeved with a first bevel gear 17, and the lower end of the first bevel gear 17 is against the upper end surface of the plane bearing 13. The base 9 is provided with a first groove 18, and the plane bearing 13 is inserted in the first groove 18. A transverse drive rod 19 is movably penetrated on one side of the upper shell 10, and a second bevel gear 20 meshing with the first bevel gear 17 is provided on the transverse drive rod 19. The top block 8 is fixed to the upper end of the sleeve 11, and the side of the upper shell 10 is detachably provided with a cover for the transverse drive The cover 21 of the rod 19, the transverse driving rod 19 in the cover 21 is sleeved with a third bevel gear 22, and a vertical driving rod 23 is movably penetrated at the upper end of the cover 21, and the cross section of the vertical driving rod 23 is hexagonal, and the lower end of the vertical driving rod 23 is sleeved with a fourth bevel gear 24 meshing with the third bevel gear 22, the upper support 5 is provided with an adjustment hole 25 for accommodating the vertical driving rod 23 to be inserted and movable, and a plug 26 is screwed on the upper end of the adjustment hole 25, the upper end surface of the lower support 6 is provided with a second groove 27 for placing the base 9, and the lower end surface of the upper support 5 is provided with a third groove 28 for placing the upper shell 10 and the cover 21, and the third groove 28 is provided. A fourth groove 29 for inserting the top block 8 is provided at the upper end, the diameter of the fourth bevel gear 24 is smaller than the diameter of the third bevel gear 22, the diameter of the third bevel gear 22 is smaller than the diameter of the second bevel gear 20, the diameter of the second bevel gear 20 is smaller than the diameter of the first bevel gear 17, a circular ring 30 is provided at the lower part of the vertical drive rod 23, the cover shell 21 is provided with an annular groove 31 aligned with the circular ring 30, graphite packings 32 are respectively provided between the transverse drive rod 19 and the upper shell 10, between the transverse drive rod 19 and the cover shell 21, and between the circular ring 30 and the annular groove 31, and a hexagonal countersunk hole 34 is provided at the upper end of the plug 26.

[0025] In this embodiment, after the precast pile 1 and the adjustable cap 2 settle, the plug 26 is inserted and unscrewed by a hexagonal wrench, and then the hexagonal sleeve 11 is inserted into the adjustment hole 25, so that the hexagonal sleeve 11 is sleeved on the vertical drive rod 23, and the hexagonal sleeve 11, the vertical drive rod 23 and the fourth bevel gear 24 are driven by the electric drill to rotate forward, and the fourth bevel gear 24 drives the third bevel gear 22, the transverse drive rod 19 and the second bevel gear 20 to rotate forward, and the second bevel gear 20 drives the first bevel gear 17 and the screw 12 to rotate, so that the sleeve 11 and the top block 8 move upward, and the multiple adjustment structures 7 act at the same time, and the multiple top blocks 8 simultaneously lift the upper cap 5 upward to make it at the same horizontal position with other adjustable caps 2, and finally remove the electric drill and the hexagonal sleeve 11, and wait for the composite foundation to stabilize. After that, concrete 36 is directly poured into the adjustable platform 2 through the adjustment hole 25, so that the upper platform 5, the adjustment structure 7 and the lower platform 6 are connected as one, and other structures can be built on the adjustable platform 2; the base 9 cooperates with the second groove 27, and the top block 8 cooperates with the fourth groove 29, so that the structural stability of the adjustable structure 7 and the upper platform 5 and the lower platform 6 is better; the diameter of the fourth bevel gear 24 is smaller than the diameter of the third bevel gear 22, the diameter of the third bevel gear 22 is smaller than the diameter of the second bevel gear 20, and the diameter of the second bevel gear 20 is smaller than the diameter of the first bevel gear 17. This way of gradually reducing the diameter of the transmission wheel allows the sleeve 11 to rise slowly, avoiding damage to the adjustment structure due to too fast rising; the graphite packing 32 is suitable for rotation in a high-pressure environment, so that the structural stability of the adjustment structure 7 is better.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An anti-settlement adjustable composite foundation, characterized by: It comprises multiple rows and columns of precast piles inserted in the soil, each of the precast piles is provided with an adjustable cap at the upper end, multiple channels are provided on the upper part of the precast pile, the upper opening of the channel is located at the upper end of the precast pile, the lower opening of the channel is located at the side wall of the precast pile, and the adjustable cap is provided with a through hole communicating with the channel.

2. The anti-settlement adjustable composite foundation according to claim 1 is characterized by: The adjustable support platform comprises an upper support platform, a lower support platform and a plurality of adjustment structures, wherein the adjustment structure is located between the upper support platform and the lower support platform, and the adjustment structure comprises a top block which can lift or lower the upper support platform.

3. The anti-settlement adjustable composite foundation according to claim 2 is characterized by: Several of the adjustment structures are distributed around the through hole, and the adjustment structure also includes a detachably connected base and an upper shell body, wherein a sleeve, a screw and a plane bearing are arranged in the upper shell body and the base from top to bottom in sequence, the sleeve opening faces downward, and a threaded portion is provided on the inner wall of the lower part of the sleeve, and a slide groove is provided on one side of the sleeve, and the sleeve can pass through the upper shell body, and the upper shell body is provided with a slider inserted into the slide groove and can slide in the slide groove, a first bevel gear is sleeved on the lower end of the screw, and the lower end of the first bevel gear is against the upper end surface of the plane bearing, the base is provided with a first groove, and the plane bearing is inserted into the first groove, a transverse driving rod is movably provided on one side of the upper shell body, and a second bevel gear meshing with the first bevel gear is provided on the transverse driving rod, and the top block is fixed to the upper end of the sleeve.

4. The anti-settlement adjustable composite foundation according to claim 3 is characterized by: The side of the upper shell body is detachably provided with a cover shell covering the transverse drive rod, the transverse drive rod in the cover shell is sleeved with a third bevel gear, and a vertical drive rod is movably passed through the upper end of the cover shell, the cross-section of the vertical drive rod is hexagonal, and the lower end of the vertical drive rod is sleeved with a fourth bevel gear meshing with the third bevel gear, and the upper supporting platform is provided with an adjustment hole for accommodating the vertical drive rod to be inserted and movable, and a plug is screwed on the upper end of the adjustment hole.

5. The anti-settlement adjustable composite foundation according to claim 4 is characterized by: The upper end surface of the lower support platform is provided with a second groove for placing the base, the lower end surface of the upper support platform is provided with a third groove for placing the upper shell and the cover shell, and the upper end of the third groove is provided with a fourth groove for inserting the top block.

6. The anti-settlement adjustable composite foundation according to claim 4 or 5, characterized in that: The diameter of the fourth bevel gear is smaller than the diameter of the third bevel gear, the diameter of the third bevel gear is smaller than the diameter of the second bevel gear, and the diameter of the second bevel gear is smaller than the diameter of the first bevel gear.

7. The anti-settlement adjustable composite foundation according to claim 6 is characterized by: A circular ring is arranged at the lower part of the vertical driving rod, a circular groove aligned with the circular ring is arranged on the cover shell, and graphite packings are arranged between the transverse driving rod and the upper shell, between the transverse driving rod and the cover shell, and between the circular ring and the circular groove.

8. The anti-settlement adjustable composite foundation according to claim 6 is characterized by: The upper opening and the lower opening of the channel are both provided with hard shell seals.

9. The anti-settlement adjustable composite foundation according to claim 7 or 8, characterized in that: The upper end of the plug is provided with a hexagonal countersunk hole.

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