A system for manufacturing a water permeable pipe pile and a method of using the same
By combining the feeding, pressurization, and pile-making systems, the problem of controlling the pile quality and length in the preparation of permeable pipe piles has been solved, realizing the rapid preparation and stable molding of permeable pipe piles and improving construction efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NANJING INST OF TECH
- Filing Date
- 2023-02-02
- Publication Date
- 2026-07-24
AI Technical Summary
The quality and length of existing permeable pipe piles are difficult to control during the manufacturing process, resulting in unstable pile quality.
A permeable pipe pile preparation system is adopted, which includes a feeding system, a pressurizing system, and a pile-making system. After the raw materials are mixed evenly, the pressurizing system is used to compact the raw materials and put them into the pile-making system. Combined with the propulsion and rotation device, a permeable pipe pile is formed. The reciprocating motion of the pile-making motor is used to extrude the raw materials into shape and send them into the pile-forming mold.
This technology enables the rapid fabrication of permeable pipe piles, facilitating the control of length and quality, and improving the stability and construction efficiency of the piles.
Smart Images

Figure CN116277461B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of foundation reinforcement in geotechnical engineering, specifically to a permeable pipe pile preparation system and its application method. Background Technology
[0002] Soft soil foundations, characterized by high water content, high compressibility, and low permeability, are common in coastal areas of my country. Compared to conventional pipe piles, permeable pipe piles, when used for soft soil foundation reinforcement, can effectively accelerate the dissipation of excess pore pressure, thus improving the bearing capacity of the pile foundation and the construction progress. However, there are currently certain problems in the fabrication of permeable pipe piles, typically the difficulty in controlling the pile quality and pile length. Therefore, technical methods for rapidly fabricating high-quality permeable pipe piles have become a focus of attention for those working on soft soil foundation reinforcement. Summary of the Invention
[0003] The purpose of this invention is to provide a permeable pipe pile preparation system and its usage method, which solves the problems of difficulty in controlling pile quality and pile length in the current preparation of permeable pipe piles.
[0004] To achieve the above objectives, the technical solution provided by the present invention is as follows:
[0005] A permeable pipe pile preparation system includes a feeding system, a pressurization system, and a pile making system;
[0006] The feeding system includes a feeding structure, a stirring structure, and a discharging structure. The feeding structure is located on top of the stirring structure and communicates with the interior of the stirring structure. One side of the stirring structure is connected to the discharging structure.
[0007] The pressurization system includes a pressurization system inlet, a pressurization device, and a pressurization system outlet; the pressurization system inlet is located on one side of the pressurization device and communicates with the inside of the pressurization device, and the pressurization system inlet is connected to the outlet structure of the feeding system; the pressurization system outlet is located at the bottom of the pressurization device and communicates with the inside of the pressurization device, and the pressurization system outlet is connected to the pile-making system.
[0008] The pile-making system includes a pile-making chamber and a pile-forming mold. The inside of the pile-making chamber is connected to the discharge port of the pressurization system. The pile-making chamber is equipped with a propulsion and rotation device. The pile-forming mold is detachably connected to the end of the pile-making chamber.
[0009] To optimize the above technical solution, the specific measures also include:
[0010] Furthermore, the feeding structure includes a solid feed inlet and a water inlet pipe, which are respectively installed on the stirring structure.
[0011] Furthermore, the stirring structure includes an outer stirring blade and an inner stirring blade, both of which are composed of folded fan blades. The outer stirring blade is located outside the inner stirring blade, and the outer stirring blade and the inner stirring blade form a double-blade fan-shaped stirring structure. The outer stirring blade and the inner stirring blade are respectively connected to a motor via gears, and the outer stirring blade and the inner stirring blade can be adjusted to the same speed or different speeds via the gears connected to the motor.
[0012] Furthermore, the discharge structure includes a movable door, a collection box, a collection funnel, and a discharge pipe. The movable door is located on the side of the collection box and can open or close the collection box. The collection funnel is located at the bottom of the collection box and communicates with the inside of the collection box. The collection funnel is connected to the feed inlet of the pressurization system through the discharge pipe. The movable door includes an upper door and a lower door, which can be opened or closed independently.
[0013] Furthermore, the pressurizing device includes a pressurizing motor, a pressurizing piston, and a pressurizing chamber. The pressurizing piston is located inside the pressurizing chamber, and the top of the pressurizing piston is connected to the pressurizing motor. The pressurizing system outlet at the bottom of the pressurizing chamber is connected to the discharge pressure pipe.
[0014] Furthermore, the propulsion and rotation device includes a propulsion rod, a pile-making piston, a rotation shaft, and a pile-making motor; one end of the propulsion rod extends into the pile-making chamber and connects to the top of the pile-making piston, the bottom of the pile-making piston is connected to the rotation shaft, and the other end of the propulsion rod extends out of the pile-making chamber and connects to the pile-making motor installed on the top of the pile-making chamber; the pile-making motor can rotate to drive the propulsion rod to make the pile-making piston rotate forward, and the rotation shaft can advance forward with the rotation of the pile-making piston.
[0015] Furthermore, the pile-making chamber and the pile-forming mold are detachably connected via a pile-making connecting valve, which has a snap-fit for connecting the pile-making chamber.
[0016] As a preferred embodiment, a piling gate is provided inside the piling chamber between the outlet of the pressurization system and the location connecting the piling mold.
[0017] As a preferred option, the pile-making chamber is supported by a pile-making support frame at the bottom.
[0018] The present invention also protects the method of using the above-mentioned permeable pipe pile preparation system. Raw materials are fed into the system through the feeding system, stirred by the stirring structure, and then the mixed raw materials are output from the discharge structure. The mixed raw materials enter the pressurization system through the feed port of the pressurization system, are pressurized by the pressurization system, and then the pressurized raw materials are evenly fed into the pile making system through the discharge port of the pressurization system. The propulsion and rotation device in the pile making system pushes the raw materials entering the pile making chamber into the pile forming mold to form a permeable pipe pile.
[0019] Compared with the prior art, the beneficial effects of the present invention are:
[0020] The permeable pipe pile preparation system of this invention includes a feeding system, a pressurizing system, and a pile-making system. The feeding system is used to mix the raw materials evenly. The pressurizing system is used to increase the pressure of the mixed raw materials before they enter the pile-making system, which is used to form the permeable pipe piles. Evenly mixed raw materials are not easy to form, but the pressurizing system compacts the raw materials with a certain degree of fluidity and sends them into the pile-making system. Through the reciprocating motion of the pile-making motor, the raw materials can be extruded and formed, fed into the pile-forming mold, and then placed in a curing chamber for curing. The preparation system of this invention can quickly prepare permeable pipe piles, and the length and quality are easy to control. Attached Figure Description
[0021] Figure 1 : A schematic diagram of the structure of the permeable pipe pile preparation system of the present invention.
[0022] In the diagram: 1-Agitator motor, 2-Agitator support, 3-Outer agitator blade, 4-Agitator tank, 5-Inner agitator blade, 6-Solid feed inlet, 7-Water inlet pipe, 8-Moving door, 9-Collection box, 10-Collection funnel, 11-Discharge pipe, 12-Booster motor, 13-Booster piston, 14-Booster chamber, 15-Discharge pressure pipe, 16-Propeller rod, 17-Pile making motor, 18-Pile making piston, 19-Rotating shaft, 20-Pile making chamber, 21-Pile making support, 22-Pile making movable door, 23-Pile forming mold, 24-Feed valve, 25-Pile making connection valve. Detailed Implementation
[0023] The present invention will be further described in detail below through embodiments, but it should not be construed as limiting the scope of the subject matter of the present invention to the following embodiments. All technologies implemented based on the above content of the present invention fall within the scope of the present invention.
[0024] In the description of this invention, it should also be noted that the orientation or positional relationship is based on the relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.
[0025] This invention provides a system for preparing permeable pipe piles, such as... Figure 1 As shown, it includes a feeding system, a pressurization system, and a pile-making system;
[0026] The feeding system includes a feeding structure, a mixing structure, and a discharging structure. The feeding structure is located on top of the mixing structure and is connected to the interior of the mixing structure. One side of the mixing structure is connected to the discharging structure.
[0027] The pressurization system includes a pressurization system inlet, a pressurization device, and a pressurization system outlet. The pressurization system inlet is located on one side of the pressurization device and communicates with the inside of the pressurization device. The pressurization system inlet is connected to the discharge structure of the feeding system. The pressurization system outlet is located at the bottom of the pressurization device and communicates with the inside of the pressurization device. The pressurization system outlet is connected to the pile-making system.
[0028] The pile making system includes a pile making chamber 20 and a pile forming mold 23. The inside of the pile making chamber 20 is connected to the discharge port of the pressurization system. The pile making chamber 20 is equipped with a propulsion and rotation device. The pile forming mold 23 is detachably connected to the end of the pile making chamber 20.
[0029] The feeding structure includes a solid feed inlet 6 and a water inlet pipe 7, which are respectively installed on the mixing structure. The solid feed inlet 6 is used to feed aggregates and cementitious materials, and the water inlet pipe 7 is used to inject water.
[0030] The stirring structure includes an outer stirring blade 3 and an inner stirring blade 5. Both the outer stirring blade 3 and the inner stirring blade 5 are composed of folded fan blades. The outer stirring blade 3 is located outside the inner stirring blade 5, and the outer stirring blade 3 and the inner stirring blade 5 form a double-blade fan-shaped stirring structure. The outer stirring blade 3 and the inner stirring blade 5 are respectively connected to the motor through gears. The outer stirring blade 3 and the inner stirring blade 5 can be adjusted to the same speed or different speeds through the gears connected to the motor.
[0031] The mixing structure is a cylindrical mixing tank 4, which is supported by a mixing support 2 at the bottom. The mixing motor 1 of the feeding system drives the outer mixing blade 3 and the inner mixing blade 5 to rotate inside the mixing tank 4, so that the aggregate and water are evenly mixed.
[0032] The discharge structure includes a movable door 8, a collection box 9, a collection funnel 10, and a discharge pipe 11. The movable door 8 is located on the side of the collection box 9 and can open or close the collection box 9. The collection funnel 10 is located at the bottom of the collection box 9 and communicates with the inside of the collection box 9. The collection funnel 10 is connected to the feed inlet of the pressurization system through the discharge pipe 11. The movable door 8 includes an upper door and a lower door, which can be opened or closed independently. When the movable door 8 is closed, no material is discharged; opening the upper door is suitable for continuous discharge, and opening the lower door is suitable for intermittent discharge. The collection box 9 is an over-collection discharge device to prevent excessive material discharge at one time.
[0033] The pressurization device includes a pressurization motor 12, a pressurization piston 13, and a pressurization chamber 14. The pressurization piston 13 is located inside the pressurization chamber 14, and the top of the pressurization piston 13 is connected to the pressurization motor 12. The pressurization system outlet at the bottom of the pressurization chamber 14 is connected to a discharge pressure pipe 15. After the material from the mixing system enters the pressurization chamber 14, the pressurization motor 12 drives the pressurization piston 13 to move downwards, causing the uniformly mixed raw material to enter the pile-making system through the discharge pressure pipe 15. A valve is installed in the discharge pressure pipe 15, which is closed when replacing with a new permeable pipe pile and opened during pile making.
[0034] The propulsion and rotation device includes a propulsion rod 16, a pile-making piston 18, a rotation shaft 19, and a pile-making motor 17. One end of the propulsion rod 16 extends into the pile-making chamber 20 and connects to the top of the pile-making piston 18, while the bottom of the pile-making piston 18 is connected to the rotation shaft 19. The other end of the propulsion rod 16 extends out of the pile-making chamber 20 and connects to the pile-making motor 17 mounted on the top of the pile-making chamber 20. The rotation of the pile-making motor 17 in the pile-making system drives the propulsion rod 16, causing the pile-making piston 18 to rotate forward (to the right in the figure). The rotation shaft 19 also propels forward (to the right in the figure) as the pile-making piston 18 rotates.
[0035] The pile-forming chamber 20 and the pile-forming mold 23 are detachably connected via a pile-forming connecting valve 25, which has a latch for connecting the pile-forming chamber 20. During pile making, the pile-forming mold 23 is inserted into the pile-forming chamber 20, and the latch locks the two chambers together for stability. The pile-forming mold 23 has an outer shell and a cylindrical inner core. The outer diameter of the outer shell is slightly larger than the outer diameter of the pile-forming chamber 20, and the diameter of the cylindrical inner core is slightly smaller than the diameter of the rotating shaft 19 of the pile-forming chamber 20.
[0036] The pile-making chamber 20 is equipped with a pile-making movable door 22 between the outlet of the connecting pressurization system and the location of the connecting pile-forming mold 23.
[0037] In this embodiment, the pile-making chamber 20 of the pile-making system is a cylindrical sleeve, which can be circular or square. The pile-making chamber 20 is supported and fixed by two pile-making supports 21. The pile-making movable door 22 is opened during pile making and closed during material storage and pile replacement.
[0038] This invention also protects the method of using the above-mentioned permeable pipe pile preparation system. Raw materials are fed into the system through the feeding system, stirred by the stirring structure, and then the mixed raw materials are output from the discharge structure. The mixed raw materials enter the pressurization system through the feed port of the pressurization system, are pressurized by the pressurization system, and then enter the pile making system through the discharge port of the pressurization system. The propulsion and rotation device in the pile making system pushes the raw materials entering the pile making chamber 20 into the pile forming mold 23 to form a permeable pipe pile.
[0039] When using it, the specific steps are as follows:
[0040] a. Close the movable door 8, turn on the feeding system switch, and the stirring motor 1 drives the inner stirring blade 5 and the outer stirring blade 3 to start rotating. Aggregate, cementitious material and water are respectively added from the solid feed port 6 and the water inlet pipe 7.
[0041] b. After the aggregate, cementitious material and water are thoroughly mixed, if continuous discharge is required, aggregate, cementitious material and water should be continuously added, and the folding fan blades of the outer mixing blade 3 should be opened to raise it to the upper door of the movable door 8. At the same time, the upper door of the movable door 8 should be opened, and raw materials should be continuously added and the uniformly mixed raw materials should overflow from the upper door. If continuous discharge is not required, the solid feed port 6 and the water inlet pipe 7 can be closed, and the lower door of the movable door 8 can be opened at the same time. The uniformly mixed raw materials should flow out from the lower door and all the uniformly mixed raw materials should be discharged from the lower door.
[0042] c. The booster motor 12 drives the booster piston 13 to reciprocate, continuously increasing the pressure in the booster chamber 14, so that the raw materials can enter the pile-making chamber 20 evenly.
[0043] d. Before the raw materials in the pressurization chamber 14 enter the pile-making chamber 20, the pile-making movable door 22 must be closed, the pile-making motor 17 must be paused, and the pile-making piston 18 should be near the discharge pressure pipe 15. The continuous entry of raw materials pushes the pile-making piston 18 forward (to the right in the figure).
[0044] e. When the pile-making chamber 20 is reached at its foremost position (far right in the diagram), open the pile-making movable door 22, close the feed valve 24, and turn on the pile-making motor 17. The pile-making motor 17 rotates, driving the push rod 16, the pile-making piston 18, and the rotating shaft 19 to rotate and move in the direction of the pile-making movable door 22.
[0045] f. Insert the pile forming mold 23 into the pile forming chamber 20 and connect it with the buckle in the pile forming connecting valve 25. The raw material continuously pushed out enters the pile forming mold 23. When the designed length is reached, close the pile forming movable door 22 and open the buckle of the pile forming connecting valve 25.
[0046] g. Place the permeable pipe pile in the pile forming mold 23 into the curing chamber, and repeat the above steps to prepare the next pile.
[0047] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any simple modifications, equivalent substitutions, and improvements made by those skilled in the art to the above embodiments without departing from the scope of the technical solution of the present invention, based on the technical essence of the present invention, shall still fall within the protection scope of the technical solution of the present invention.
Claims
1. A system for preparing permeable pipe piles, characterized in that: Includes a feeding system, a pressurization system, and a pile-making system; The feeding system includes a feeding structure, a stirring structure, and a discharging structure. The feeding structure is located on top of the stirring structure and communicates with the interior of the stirring structure. One side of the stirring structure is connected to the discharging structure. The pressurization system includes a pressurization system inlet, a pressurization device, and a pressurization system outlet; the pressurization system inlet is located on one side of the pressurization device and communicates with the inside of the pressurization device, and the pressurization system inlet is connected to the outlet structure of the feeding system; the pressurization system outlet is located at the bottom of the pressurization device and communicates with the inside of the pressurization device, and the pressurization system outlet is connected to the pile-making system. The pile-making system includes a pile-making chamber and a pile-forming mold. The inside of the pile-making chamber is connected to the discharge port of the pressurization system. The pile-making chamber is equipped with a propulsion and rotation device. The pile-forming mold is detachably connected to the end of the pile-making chamber. The stirring structure includes an outer stirring blade and an inner stirring blade, both of which are composed of folded fan blades. The outer stirring blade is located outside the inner stirring blade, and the outer and inner stirring blades form a double-blade fan-shaped stirring structure. The outer and inner stirring blades are respectively connected to a motor via gears, and the outer and inner stirring blades can be adjusted to the same speed or different speeds via the gears connected to the motor. The discharge structure includes a movable door, a collection box, a collection funnel, and a discharge pipe. The movable door is located on the side of the collection box and can open or close the collection box. The collection funnel is located at the bottom of the collection box and communicates with the inside of the collection box. The collection funnel is connected to the feed inlet of the pressurization system through the discharge pipe. The movable door includes an upper door and a lower door, which can be opened or closed independently. The aforementioned propulsion and rotation device includes a propulsion rod, a pile-making piston, a rotating shaft, and a pile-making motor. One end of the propulsion rod extends into the pile-making chamber and connects to the top of the pile-making piston, while the bottom of the pile-making piston is connected to the rotating shaft. The other end of the propulsion rod extends out of the pile-making chamber and connects to the pile-making motor installed on the top of the pile-making chamber. The pile-making motor can rotate to drive the propulsion rod, causing the pile-making piston to rotate forward. The rotating shaft can advance forward as the pile-making piston rotates.
2. The permeable pipe pile preparation system according to claim 1, characterized in that: The feeding structure includes a solid feed inlet and a water inlet pipe, which are respectively installed on the stirring structure.
3. The permeable pipe pile preparation system according to claim 1, characterized in that: The pressurization device includes a pressurization motor, a pressurization piston, and a pressurization chamber. The pressurization piston is located inside the pressurization chamber, and the top of the pressurization piston is connected to the pressurization motor. The pressurization system outlet at the bottom of the pressurization chamber is connected to the discharge pressure pipe.
4. The permeable pipe pile preparation system according to claim 1, characterized in that: The pile-making chamber and the pile-forming mold are detachably connected via a pile-making connecting valve, which has a snap-fit for connecting the pile-making chamber.
5. The permeable pipe pile preparation system according to claim 1, characterized in that: The pile-making chamber has a movable door between the outlet of the pressurization system and the pile-forming mold.
6. The permeable pipe pile preparation system according to claim 1, characterized in that: The pile-making chamber is supported by a pile-making support frame at the bottom.
7. The method of using the permeable pipe pile preparation system according to any one of claims 1-6, characterized in that: Raw materials are fed into the feeding system, mixed by the mixing structure, and then discharged from the discharge structure. The mixed raw materials enter the pressurization system through the feed inlet, are pressurized by the pressurization system, and then evenly enter the pile making system through the discharge outlet of the pressurization system. The propulsion and rotation device in the pile making system pushes the raw materials entering the pile making chamber into the pile forming mold to form permeable pipe piles.