Cement composite pile for improving bearing capacity of soft soil foundation

Abstract

The utility model discloses a cement composite pile for improving the bearing capacity of a soft soil foundation, and relates to the technical field of pile foundations, the cement composite pile comprises a hollow pile foundation, a pile cone is fixedly mounted on the outer wall of one side of the hollow pile foundation, a box body is arranged at the top of the hollow pile foundation, and a plurality of reinforcing cones are symmetrically arranged on the inner walls of the two sides of the hollow pile foundation; and a driving mechanism for pushing the reinforcing cone to move is arranged in the box body. Under the matching action of the reinforcing cones and the like, a motor is started, the output end of the motor drives a screw rod to rotate, the screw rod rotates to drive two driving plates to be away from each other, and the reinforcing cones on the two sides are pushed to be away from each other and inserted into underground soil; therefore, the bearing capacity of the hollow pile foundation on the soft soil foundation can be improved, pile foundations with larger diameters do not need to be adopted or the number of the pile foundations does not need to be increased, the bearing capacity of the soft soil foundation is improved, the cost is low, and the construction difficulty is low.

Description

Technical Field

[0001] The present application relates to the technical field of pile foundations, and in particular to a cement composite pile for improving the bearing capacity of a soft soil foundation. Background Art

[0002] At present, pile foundation is often used to enhance the bearing capacity of the foundation in soft soil treatment. However, the bearing capacity of traditional pile foundation in soft soil is limited and it is difficult to meet the growing engineering needs.

[0003] Existing solutions usually use piles with larger diameters or increase the number of piles to improve the bearing capacity of soft soil foundations. Although these methods can also improve the bearing capacity of soft soil foundations, they are costly and difficult to construct. Utility Model Content

[0004] The purpose of the utility model is to solve or at least alleviate the problems existing in the prior art that existing solutions usually adopt pile foundations with larger diameters or increase the number of pile foundations to improve the bearing capacity of soft soil foundations. Although these methods can also play a role in improving the bearing capacity of soft soil foundations, they are costly and difficult to construct.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cement composite pile for improving the bearing capacity of a soft soil foundation, comprising a hollow pile foundation, a pile cone is fixedly installed on one side outer wall of the hollow pile foundation, a box is provided on the top of the hollow pile foundation, a plurality of reinforcing cones are symmetrically provided on both sides of the inner wall of the hollow pile foundation, and a driving mechanism for pushing the reinforcing cone to move is provided in the box;

[0006] The driving mechanism includes a motor, the output end of the motor passes through an outer wall of one side of the box and is fixedly installed with a screw, the screw is a bidirectional screw, one end of the screw is rotatably installed on an inner wall of one side of the box, two driving plates are symmetrically screwed on the screw, the two driving plates are respectively located in the gaps between the ends of the multiple reinforcing cones on both sides close to each other, and a fixing mechanism is provided on the box.

[0007] By adopting the above technical solution, by starting the motor, the output end of the motor will drive the screw to rotate, and the rotation of the screw will drive the two drive plates to move away from each other, and push the multiple reinforcing cones on both sides to move away from each other and insert into the underground soil, thereby improving the bearing capacity of the hollow pile foundation on the soft soil foundation, and there is no need to use a larger diameter pile foundation or increase the number of pile foundations, so as to improve the bearing capacity of the soft soil foundation, with low cost and low construction difficulty.

[0008] Optionally, a support plate is fixedly mounted on one side outer wall of the box body, and the motor is fixedly mounted on the top outer wall of the support plate.

[0009] By adopting the above technical solution, a support plate is provided so that the motor can be installed thereon.

[0010] Optionally, the fixing mechanism includes two symmetrical fixing seats, which are symmetrically fixed on one outer wall of the box body, and threaded holes are provided on the tops of the two fixing seats and the hollow pile foundation, and fixing bolts are screwed into the two threaded holes.

[0011] By adopting the above technical solution, the box body is connected to the top of the hollow pile foundation by the action of fixing bolts.

[0012] Optionally, a box groove is formed on the bottom outer wall of the box body, and the two driving plates are slidably installed in the box groove.

[0013] By adopting the above technical solution, the driving plate can be limited by setting the box groove.

[0014] Optionally, a plurality of sliding holes are formed through the outer surfaces of both sides of the hollow pile foundation, and the plurality of reinforcing cones are slidably installed in the corresponding sliding holes respectively.

[0015] By adopting the above technical solution, the reinforcing cone can be limited by setting the sliding hole.

[0016] Optionally, both inner walls of the box body are slidably mounted with elongated grooves, two elongated blocks are symmetrically fixedly mounted in the two elongated grooves, and the two elongated blocks are respectively fixedly connected to corresponding driving plates.

[0017] By adopting the above technical solution, the long groove is provided so that the long block can be slidably installed therein, thereby playing a role of limiting.

[0018] Optionally, the two elongated blocks are both located in the middle of the elongated slot.

[0019] By adopting the above technical solution, the two elongated blocks are arranged in the middle of the elongated groove, thereby facilitating installation and use.

[0020] Optionally, a limiting groove is provided at one end of each of the reinforcing cones, a plurality of limiting blocks are slidably installed in each of the limiting grooves, and the plurality of limiting blocks are respectively fixedly installed on the outer walls on both sides of the driving plate.

[0021] By adopting the above technical solution, the driving plate can be limited when moving by setting the limiting groove and the limiting block in cooperation.

[0022] In summary, the beneficial effects of this application are as follows:

[0023] 1. The new type of the present application adopts the cooperation of the reinforcing cone, etc., by starting the motor, the output end of the motor will drive the screw to rotate, the rotation of the screw will drive the two drive plates to move away from each other, and push the multiple reinforcing cones on both sides to move away from each other and insert into the underground soil, thereby improving the bearing capacity of the hollow pile foundation on the soft soil foundation, and there is no need to use a larger diameter pile foundation or increase the number of pile foundations, so as to improve the bearing capacity of the soft soil foundation, with low cost and low construction difficulty.

[0024] 2. The new type of the present application adopts the cooperation of a fixed seat, etc., and sets a limit groove and a limit block to limit the movement of the driving plate, and by rotating the fixing bolt and removing the fixing bolt, the fixed connection between the box and the hollow pile foundation can be released, which is convenient for strengthening the installation of the next hollow pile foundation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the entire application;

[0026] Figure 2 It is a schematic diagram of the box of this application;

[0027] Figure 3 It is a schematic diagram of the screw of this application;

[0028] Figure 4 It is a schematic diagram of the limit block of this application.

[0029] Explanation of the accompanying drawings: In the figure: 1, hollow pile foundation; 2, pile cone; 3, box body; 4, support plate; 5, motor; 6, sliding hole; 7, reinforcement cone; 8, fixing seat; 9, threaded hole; 10, fixing bolt; 11, limit groove; 12, limit block; 13, driving plate; 14, screw; 15, box groove; 16, elongated groove; 17, elongated block. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-4 This application is described in further detail.

[0031] See also Figure 1-3 A cement composite pile for improving the bearing capacity of a soft soil foundation comprises a hollow pile foundation 1, a pile cone 2 is fixedly mounted on one side outer wall of the hollow pile foundation 1, a box body 3 is arranged on the top of the hollow pile foundation 1, and the box body 3 can be provided to assist in installation, a plurality of reinforcing cones 7 are symmetrically arranged on both sides of the inner wall of the hollow pile foundation 1, and the reinforcing cones 7 can be provided to improve the bearing capacity of the soft soil foundation, and a driving mechanism for pushing the reinforcing cones 7 to move is arranged in the box body 3; the reinforcing cones 7 can be driven to move by providing the driving mechanism.

[0032] Among them, the driving mechanism includes a motor 5, the output end of the motor 5 passes through the outer wall of one side of the box body 3 and is fixedly installed with a screw 14, the screw 14 is a bidirectional screw, one end of the screw 14 is rotatably installed on the inner wall of one side of the box body 3, and two driving plates 13 are symmetrically screwed on the screw 14. By setting the screw 14, the two driving plates 13 can be brought closer to each other or away from each other. The two driving plates 13 are respectively located in the gaps at one end of the multiple reinforcing cones 7 on both sides that are close to each other, and a fixing mechanism is provided on the box body 3.

[0033] When in use, by starting the motor 5, the output end of the motor 5 will drive the screw 14 to rotate, and the rotation of the screw 14 will drive the two drive plates 13 to move away from each other, and push the multiple reinforcing cones 7 on both sides to move away from each other and insert into the underground soil, thereby improving the bearing capacity of the hollow pile foundation 1 on the soft soil foundation, and there is no need to use a larger diameter pile foundation or increase the number of pile foundations, thereby improving the bearing capacity of the soft soil foundation, with low cost and low construction difficulty.

[0034] Reference Figure 1 and Figure 2 A support plate 4 is fixedly mounted on one side outer wall of the box body 3, and a motor 5 is fixedly mounted on the top outer wall of the support plate 4. By providing the support plate 4, the motor 5 can be mounted thereon.

[0035] Reference Figure 1 and Figure 2 The fixing mechanism includes two fixing seats 8 symmetrically arranged on both sides, and the two fixing seats 8 are symmetrically fixed on one side outer wall of the box body 3. The two fixing seats 8 and the top of the hollow pile foundation 1 are provided with threaded holes 9, and fixing bolts 10 are screwed into the two threaded holes 9. The box body 3 is connected to the top of the hollow pile foundation 1 by the fixing bolts 10.

[0036] Reference Figure 3 The outer wall at the bottom of the box body 3 is provided with a box groove 15, and the two drive plates 13 are slidably installed in the box groove 15. By providing the box groove 15, the drive plate 13 can be limited.

[0037] Reference Figure 1 A plurality of sliding holes 6 are provided on both sides of the outer surface of the hollow pile foundation 1, and a plurality of reinforcing cones 7 are respectively slidably installed in the corresponding sliding holes 6. By providing the sliding holes 6, the reinforcing cones 7 can be limited.

[0038] Reference Figure 3 The inner walls of both sides of the box body 3 are slidably installed with long grooves 16, and two long blocks 17 are symmetrically fixedly installed in the two long grooves 16. The two long blocks 17 are respectively fixedly connected to the corresponding driving plates 13. By providing the long grooves 16, the long blocks 17 can be slidably installed inside, which can play a role of limiting.

[0039] Reference Figure 3 , two elongated blocks 17 are all located in the middle of the elongated slot 16. By arranging two elongated blocks 17 to be all located in the middle of the elongated slot 16, it is convenient to install and use.

[0040] Reference Figure 2 and Figure 4 A plurality of reinforcing cones 7 are provided with a limiting groove 11 at one end, and a plurality of limiting blocks 12 are slidably installed in the plurality of limiting grooves 11, and the plurality of limiting blocks 12 are respectively fixedly installed on the outer walls of both sides of the driving plate 13. By setting the limiting grooves 11 and the limiting blocks 12 in cooperation, the driving plate 13 can be limited when moving.

[0041] The implementation principle of the present application is as follows: when in use, firstly, the hollow pile foundation 1 is placed in the corresponding pile hole by the existing technology, and then the box body 3 is connected to the top of the hollow pile foundation 1 by the action of the fixing bolt 10, and then the motor 5 can be started, and the output end of the motor 5 will drive the screw 14 to rotate, and the rotation of the screw 14 will drive the two driving plates 13 to move away from each other, and push the multiple reinforcing cones 7 on both sides to move away from each other and insert into the underground soil, so as to improve the bearing capacity of the hollow pile foundation 1 on the soft soil foundation, and then there is no need to use a larger diameter pile foundation or increase the number of pile foundations, so as to improve the bearing capacity of the soft soil foundation, the cost is low, and the construction difficulty is also low;

[0042] After the fixing is completed, the fixing bolts 10 are rotated and removed, and the fixed connection between the box body 3 and the hollow pile foundation 1 can be released, so that the next hollow pile foundation 1 can be reinforced and installed.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cement composite pile for improving the bearing capacity of a soft soil foundation, comprising a hollow pile foundation (1), a pile cone (2) being fixedly mounted on one side outer wall of the hollow pile foundation (1), characterized in that: A box body (3) is provided on the top of the hollow pile foundation (1), a plurality of reinforcing cones (7) are symmetrically provided on the inner walls on both sides of the hollow pile foundation (1), and a driving mechanism for pushing the reinforcing cones (7) to move is provided in the box body (3); The driving mechanism comprises a motor (5), the output end of the motor (5) passes through an outer wall of one side of the box body (3) and is fixedly mounted with a screw rod (14), the screw rod (14) being a bidirectional screw rod, one end of the screw rod (14) being rotatably mounted on an inner wall of one side of the box body (3), two driving plates (13) being symmetrically screwed on the screw rod (14), the two driving plates (13) being respectively located in gaps between two ends of a plurality of reinforcing cones (7) on both sides close to each other, and a fixing mechanism being provided on the box body (3).

2. A cement composite pile for improving the bearing capacity of soft soil foundation according to claim 1, characterized in that: A support plate (4) is fixedly mounted on one side outer wall of the box body (3), and the motor (5) is fixedly mounted on the top outer wall of the support plate (4).

3. The cement composite pile for improving the bearing capacity of soft soil foundation according to claim 1, characterized in that: The fixing mechanism comprises two fixing seats (8) symmetrically arranged on both sides, the two fixing seats (8) being symmetrically fixedly mounted on one side outer wall of the box body (3), the top ends of the two fixing seats (8) and the hollow pile foundation (1) being provided with threaded holes (9), and fixing bolts (10) being screwed into the two threaded holes (9).

4. The cement composite pile for improving the bearing capacity of soft soil foundation according to claim 1, characterized in that: The bottom outer wall of the box body (3) is provided with a box groove (15), and the two drive plates (13) are both slidably mounted in the box groove (15).

5. The cement composite pile for improving the bearing capacity of soft soil foundation according to claim 1, characterized in that: A plurality of sliding holes (6) are provided through the outer surfaces of both sides of the hollow pile foundation (1), and the plurality of reinforcing cones (7) are respectively slidably mounted in the corresponding sliding holes (6).

6. The cement composite pile for improving the bearing capacity of soft soil foundation according to claim 4, characterized in that: The inner walls on both sides of the box body (3) are slidably mounted with long grooves (16), and two long blocks (17) are symmetrically fixedly mounted in the two long grooves (16), and the two long blocks (17) are respectively fixedly connected to the corresponding drive plates (13).

7. The cement composite pile for improving the bearing capacity of soft soil foundation according to claim 6, characterized in that: The two elongated blocks (17) are both located in the middle of the elongated slot (16).

8. The cement composite pile for improving the bearing capacity of soft soil foundation according to claim 6, characterized in that: A plurality of reinforcing cones (7) are each provided with a limiting groove (11) at one end, a plurality of limiting blocks (12) are slidably mounted in the plurality of limiting grooves (11), and the plurality of limiting blocks (12) are respectively fixedly mounted on the outer walls on both sides of the driving plate (13).

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