A prestressed hollow square pile reinforcement structure

Abstract

This invention discloses a prestressed hollow square pile reinforcement structure, relating to the field of prestressed hollow square pile technology. It includes a hollow square pile, a pile head protection component, and a ground-breaking component. The top of the hollow square pile is movably connected to the pile head protection component, and the bottom of the hollow square pile is fixedly connected to the ground-breaking component. The surface of the hollow square pile, located on the surface of the ground-breaking component, is fixedly connected to the ground. The surface of the pile head protection component is movably connected to the surface of the ground. The hollow square pile includes a pile body. This invention uses a pile driver to hammer the pile body into the ground. The hammering causes the vertical prestressed reinforcing ribs to bear the vertical load and the main load. After hammering, concrete is poured into the pile body. Due to the depth of the pile body, vibration is difficult. As the concrete enters, it falls onto the uppermost arc-shaped plate, and gravity simultaneously stretches the spring. Hooks one and two at both ends prevent the spring from falling off. At this time, the arc-shaped plate bears the falling concrete.

Description

Technical Field

[0001] This invention relates to the field of prestressed hollow square pile technology, and specifically to a prestressed hollow square pile reinforcement structure. Background Technology

[0002] Precast reinforced concrete square piles are an important pile foundation material in civil engineering foundation engineering, and also one of the most produced precast concrete products. Precast reinforced concrete square piles have the following characteristics: high concrete strength and large single pile bearing capacity; less affected by groundwater variations during construction; convenient manufacturing, allowing for both on-site prefabrication and factory production; ability to produce piles of various specifications and lengths according to different geological conditions; reliable pile quality, making construction quality easier to ensure than cast-in-place piles; fast construction speed and higher level of on-site cleanliness; and relatively small investment in production line construction. In recent years, with the development of the construction industry, this product has seen significant growth in many regions. However, the existing technology has the following problems:

[0003] The existing prestressed hollow square pile reinforcement structure does not adequately distribute prestressed steel bars or utilize their strength. Furthermore, the existing structure does not adequately protect the pile head, making it prone to damage during pile driving, thus affecting the pile's strength. Additionally, the existing structure does not allow for proper concrete slump during filling, leading to air bubbles forming voids and reducing the pile's overall strength. Summary of the Invention

[0004] This invention provides a prestressed hollow square pile reinforcement structure to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows:

[0006] A prestressed hollow square pile reinforcement structure includes a hollow square pile, a pile head protection component, and a ground-breaking component. The pile head protection component is movably connected to the top of the hollow square pile, and the ground-breaking component is fixedly connected to the bottom of the hollow square pile. The surface of the hollow square pile, located on the surface of the ground-breaking component, is fixedly connected to the ground surface. The surface of the pile head protection component is movably connected to the ground surface. The hollow square pile includes a pile body; the top of the pile body is movably connected to the inner side of the pile head protection component, and the bottom of the pile body is fixedly connected to the top of the ground-breaking component. The surface of the pile body is fixedly connected to the interior of the ground surface. A transverse prestressing reinforcing bar is fixedly installed inside the pile body, and a vertical prestressing reinforcing bar is fixedly connected to the inner side of the transverse prestressing reinforcing bar. The pile head protection component... The protective assembly includes a protective plate and a soil-breaking nail. The inner side of the protective plate is movably connected to the surface of the pile body, and the surface of the soil-breaking nail is movably connected to the surface of the ground. A high-strength bolt is threaded inside the protective plate, and the surface of the high-strength bolt is threaded inside the PHC concrete protective layer. A reinforcing wing plate is fixedly connected inside the protective plate, and a hammer rod is fixedly connected to the top of the protective plate. The soil-breaking assembly includes a soil-breaking plate, the surface of which is fixedly connected to the interior of the ground. A fixing plate is fixedly connected inside the soil-breaking plate, a control panel is fixedly connected to the top of the fixing plate, a drive motor is fixedly connected to the bottom of the fixing plate, and a rotating rod is movably connected to the surface of the soil-breaking plate. The output end of the drive motor is fixedly connected to one end of the rotating rod.

[0007] A further improvement of the technical solution of the present invention is that: a clamp is fixedly connected to the surface of the transverse prestressed reinforcing bar, and a PHC concrete protective layer is fixedly connected to the inside of the pile body.

[0008] A further improvement of the technical solution of the present invention is that: a fixing block is fixedly connected to both sides of the inner wall of the pile body, a pull hook is fixedly connected inside the fixing block, and a spring is fixedly connected to the bottom of the pull hook.

[0009] A further improvement of the technical solution of the present invention is that: a second hook is fixedly connected to one end of the spring, a fixing member is fixedly connected to the surface of the second hook, and an arc-shaped plate is fixedly connected to the bottom of the fixing member.

[0010] A further improvement of the technical solution of the present invention is that: a hinge block is fixedly connected to the top of the guard plate, and a connecting rod is movably connected to the surface of the hinge block.

[0011] A further improvement of the technical solution of the present invention is that: a hinge block two is fixedly connected to the other end of the connecting rod, and a positioning block is fixedly connected to the bottom of the hinge block two.

[0012] A further improvement of the technical solution of the present invention is that: the bottom of the positioning block is movably connected to the top of the ground, and the interior of the positioning block is movably connected to the surface of the soil-breaking nail.

[0013] A further improvement of the technical solution of the present invention is that: an exhaust hole is provided inside the rotating rod, and a retaining slope plate is fixedly connected to the surface of the rotating rod.

[0014] A further improvement of the technical solution of the present invention is that: a drill bit is fixedly connected to the bottom of the rotating rod, and the surface of the drill bit is movably connected to the interior of the ground.

[0015] Due to the adoption of the above technical solution, the technical progress achieved by this invention compared to the prior art is as follows:

[0016] 1. This invention provides a prestressed hollow square pile reinforcement structure, employing a hollow square pile, pile body, PHC concrete protective layer, transverse prestressed reinforcing bars, vertical prestressed reinforcing bars, arc-shaped plate, clamping plate, fixing block, hook one, spring, hook two, and fixing components working together. A pile driver hammers the pile body into the ground, causing the vertical prestressed reinforcing bars to bear the vertical load and main load. After hammering, concrete is poured into the pile body. Due to the depth of the pile, vibration is difficult. As the concrete enters, it falls onto the uppermost arc-shaped plate, and gravity simultaneously stretches the spring. Through the interaction of two... The first and second hooks at the ends prevent the spring from falling off. At this time, the arc plate will bear the falling concrete. The concrete slides from both sides of the arc plate to the surface of the lower arc plate and repeats the steps, so that the concrete can collapse to the maximum extent and accumulate from the bottom. This avoids the situation where the pile body is too deep to be vibrated and compacted, making the formed pile foundation more solid. During the concrete forming, the expansion of the PHC concrete protective layer is limited to prevent the concrete from expanding and misaligning. At the same time, the transverse prestressed reinforcement and the clamping plate resist the compressive force applied by the external ground while preventing expansion deformation.

[0017] 2. This invention provides a prestressed hollow square pile reinforcement structure, employing a pile head protection component, a protective plate, high-strength bolts, reinforcing wing plates, a hammer rod, hinge block one, a connecting rod, hinge block two, a positioning block, and a soil-breaking nail in cooperation with each other. By placing the positioning block on the ground, the pile pit is positioned so that the central axis of the pile pit is on the same vertical line as the central axis of the protective plate. At this time, the soil-breaking nail is hammered into the ground to prevent the pile core from deviating during the hammering process of the pile driver. Then, the protective plate is connected to the pile head by high-strength bolts. After the connection is completed, the pile driver transmits the impact force to the pile head by hammering the hammer rod, allowing the pile to enter the positioning point. During the descent, hinge block one and hinge block two rotate while the positioning block is limited by the connecting rod to prevent the pile core from deviating. During hammering, the internal reinforcing wing plate protects the protective plate from breaking and thus damaging the pile head, ensuring that the pile head is not damaged by the pile driver during the hammering process.

[0018] 3. This invention provides a prestressed hollow square pile reinforcement structure, which employs a soil-breaking component, soil-breaking plate, rotating rod, drive motor, fixing plate, drill bit, vent hole, retaining slope plate, and control panel in coordination. The soil-breaking plate penetrates the ground, and the operator remotely starts the drive motor via the control panel to rotate the drill bit at the bottom of the rotating rod, loosening the soil on both sides of the soil-breaking plate and allowing for deeper penetration with each subsequent hammer blow. Simultaneously, the vent hole on the rotating rod releases the gas released from the loosened soil, preventing increased internal pressure that could hinder pile driving. The retaining slope plate on the rotating rod prevents soil from entering and clogging the vent hole. This allows for greater depth with each hammer blow, resulting in faster pile driving and a shorter construction period. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention;

[0020] Figure 2 This is a cross-sectional view of the structure of the present invention;

[0021] Figure 3 This is a cross-sectional view of the hollow square pile of the present invention;

[0022] Figure 4 This is a schematic diagram of the hollow square pile of the present invention;

[0023] Figure 5 This is a cross-sectional view of the pile head protection component of the present invention;

[0024] Figure 6 This is a cross-sectional view of the soil-breaking component of the present invention.

[0025] In the diagram: 1. Hollow square pile; 11. Pile body; 12. PHC concrete protective layer; 13. Horizontal prestressed reinforcement; 14. Vertical prestressed reinforcement; 15. Curved plate; 16. Clamping plate; 17. Fixing block; 18. Hook one; 19. Spring; 110. Hook two; 111. Fixing component; 2. Pile head protection assembly; 21. Protective plate; 22. High-strength bolt; 23. Reinforcing wing plate; 24. Hammer rod; 25. Hinge block one; 26. Connecting rod; 27. Hinge block two; 28. Positioning block; 29. ​​Soil-breaking nail; 3. Soil-breaking assembly; 31. Soil-breaking plate; 32. Rotating rod; 33. Drive motor; 34. Fixing plate; 35. Drill bit; 36. Vent hole; 37. Retaining slope plate; 38. Control panel; 4. Ground. Detailed Implementation

[0026] The present invention will be further described in detail below with reference to embodiments:

[0027] Example 1

[0028] like Figure 1-6 As shown, this invention provides a prestressed hollow square pile reinforcement structure, including a hollow square pile 1, a pile head protection component 2, and a ground-breaking component 3. The top of the hollow square pile 1 is movably connected to the pile head protection component 2, and the bottom of the hollow square pile 1 is fixedly connected to the ground-breaking component 3. The surface of the hollow square pile 1 and located on the surface of the ground-breaking component 3 is fixedly connected to the ground 4. The surface of the pile head protection component 2 is movably connected to the surface of the ground 4. The hollow square pile 1 includes a pile body 11, the top of the pile body 11 is movably connected to the inner side of the pile head protection component 2, the bottom of the pile body 11 is fixedly connected to the top of the ground-breaking component 3, the surface of the pile body 11 is fixedly connected to the interior of the ground 4, a transverse prestressing reinforcing rib 13 is fixedly installed inside the pile body 11, and a vertical prestressing reinforcing rib 14 is fixedly connected to the inner side of the transverse prestressing reinforcing rib 13. The pile head protection component 2 includes... The system includes a protective plate 21 and a soil-breaking nail 29. The inner side of the protective plate 21 is movably connected to the surface of the pile body 11, and the surface of the soil-breaking nail 29 is movably connected to the surface of the ground 4. A high-strength bolt 22 is threadedly connected to the inside of the protective plate 21, and the surface of the high-strength bolt 22 is threadedly connected to the inside of the PHC concrete protective layer 12. A reinforcing wing plate 23 is fixedly connected to the inside of the protective plate 21, and a hammer rod 24 is fixedly connected to the top of the protective plate 21. The soil-breaking component 3 includes a soil-breaking plate 31, the surface of the soil-breaking plate 31 is fixedly connected to the inside of the ground 4, a fixing plate 34 is fixedly connected to the inside of the soil-breaking plate 31, a control panel 38 is fixedly connected to the top of the fixing plate 34, a drive motor 33 is fixedly connected to the bottom of the fixing plate 34, and a rotating rod 32 is movably connected to the surface of the soil-breaking plate 31. The output end of the drive motor 33 is fixedly connected to one end of the rotating rod 32.

[0029] In this embodiment, by connecting the pile head protection component 2 to the hollow square pile 1, and then using a pile driver to hammer the hollow square pile 1 into the ground 4, the pile head protection component 2 limits the positioning point of the pile core during hammering to prevent deviation during the hammering process. The soil breaking component 3 at the bottom makes the pile driving process faster. After hammering, due to the specifications of the pile foundation, a part of the pile head needs to be left outside for foundation construction. At this time, the pile head protection component 2 is removed, and then concrete is poured into the interior of the hollow square pile 1. The prestressed reinforcing bars of the hollow square pile 1 increase the structural strength while preventing the square pile from expanding and breaking.

[0030] Example 2

[0031] like Figure 1-6As shown, based on Embodiment 1, the present invention provides a technical solution: Preferably, a clamping plate 16 is fixedly connected to the surface of the transverse prestressed reinforcing bar 13, a PHC concrete protective layer 12 is fixedly connected to the inside of the pile body 11, fixing blocks 17 are fixedly connected to both sides of the inner wall of the pile body 11, a pull hook 18 is fixedly connected to the inside of the fixing block 17, a spring 19 is fixedly connected to the bottom of the pull hook 18, a pull hook 2 110 is fixedly connected to one end of the spring 19, a fixing member 111 is fixedly connected to the surface of the pull hook 2 110, and an arc plate 15 is fixedly connected to the bottom of the fixing member 111.

[0032] In this embodiment, the pile body 11 is hammered into the ground by a pile driver. The hammering causes the vertical prestressed reinforcing bars 14 to bear the vertical load and the main load. After hammering, concrete is poured into the pile body 11. Because the pile body 11 is relatively deep, it is not easy to vibrate. When the concrete enters, it falls onto the uppermost arc plate 15, and the gravity stretches the spring 19. The spring 19 is prevented from falling by the pull hooks 18 and 110 at both ends. At this time, the arc plate 15 bears the falling concrete. The concrete slides from the arc plate 15 and both sides to the surface of the lower arc plate 15 and repeats the steps, so that the concrete can collapse to the maximum extent and accumulate from the bottom. This avoids the situation where the pile body 11 is too deep to be vibrated and compacted, making the formed pile foundation more solid. During the concrete forming, the expansion of the PHC concrete protective layer is limited to prevent the concrete from expanding and misaligning. At the same time, the transverse prestressed reinforcing bars 13 and the clamping plates 16 resist the compressive force applied by the external ground 4 while preventing expansion deformation.

[0033] Example 3

[0034] like Figure 1-6 As shown, based on Embodiment 1, the present invention provides a technical solution: preferably, a hinge block 25 is fixedly connected to the top of the guard plate 21, a connecting rod 26 is movably connected to the surface of the hinge block 25, a hinge block 27 is fixedly connected to the other end of the connecting rod 26, a positioning block 28 is fixedly connected to the bottom of the hinge block 27, the bottom of the positioning block 28 is movably connected to the top of the ground 4, and the interior of the positioning block 28 is movably connected to the surface of the soil-breaking nail 29.

[0035] In this embodiment, the pile pit is positioned by placing the positioning block 28 on the ground 4, so that the central axis of the pile pit is on the same vertical line as the central axis of the protective plate 21. At this time, the soil-breaking nail 29 is hammered into the ground 4 to prevent the pile core from deviating during the hammering process of the pile driver. Then, the protective plate 21 is connected to the pile head by high-strength bolts 22. After the connection is completed, the pile driver transmits the impact force to the pile head by hammering the hammer rod 24, so that the pile can enter the positioning point. During the falling process, the hinge block 1 25 and hinge block 27 rotate while the connecting rod 26 limits the positioning block 28 to prevent the pile core from deviating. During the hammering, the internal reinforcing wing plate 23 protects the protective plate 21 from breaking and damaging the pile head, ensuring that the pile head is not damaged by the pile driver during the hammering process.

[0036] Example 4

[0037] like Figure 1-6 As shown, based on Embodiment 1, the present invention provides a technical solution: preferably, the inside of the rotating rod 32 is provided with an exhaust hole 36, the surface of the rotating rod 32 is fixedly connected with a retaining slope plate 37, the bottom of the rotating rod 32 is fixedly connected with a drill bit 35, and the surface of the drill bit 35 is movably connected to the inside of the ground 4.

[0038] In this embodiment, the soil is penetrated into the ground 4 through the end of the soil-breaking plate 31. At this time, the worker remotely starts the drive motor 33 through the control panel 38 to rotate the drill bit 35 at the bottom of the rotating rod 32, which rotates the soil on both sides of the soil-breaking plate 31, loosening the soil on both sides, so that the next hammer blow can penetrate deeper. While the rotating rod 32 is rotating, the vent hole 36 on the surface releases the gas from the soil loosened by the drill bit 35, preventing the internal pressure from increasing and becoming a resistance during pile driving. The soil-retaining inclined plate 37 on the surface of the rotating rod 32 prevents soil from entering the vent hole 36 and causing blockage. This allows each hammer blow to increase the depth of the previous hammer blow, thereby driving the pile faster and shortening the construction period.

[0039] The working principle of this prestressed hollow square pile reinforcement structure will be explained in detail below.

[0040] like Figure 1-6As shown, by connecting the pile head protection component 2 to the hollow square pile 1, and the high-strength bolt 22 connecting the protective plate 21 to the pile head, after the connection is completed, the hollow square pile 1 is hammered into the ground 4 by the pile driver, and then the pile head protection component 2 is hammered in to limit the positioning point of the pile core. The positioning block 28 is placed on the ground 4 to position the pile pit, so that the central axis of the pile pit is on the same vertical line as the central axis of the protective plate 21. At this time, the soil-breaking nail 29 is hammered into the ground 4 to prevent the pile core from deviating during the hammering process of the pile driver. During the hammering process, the pile driver transmits the impact force to the pile head by hammering the hammer rod 24, so that the pile can enter the positioning point. During the falling process, the hinge block 1 25 and hinge block 2 27 rotate simultaneously through the connecting The connecting rod 26 limits the positioning block 28 to prevent pile core displacement. During hammering, the internal reinforcing wing plate 23 protects the guard plate 21 from breakage, thus preventing damage to the pile head. This ensures the pile head is not damaged by the pile driver during hammering. Hammering also allows the vertical prestressed reinforcing rib 14 to bear the vertical load and main load. The bottom soil-breaking component 3 accelerates the pile driving process. The end of the soil-breaking plate 31 enters the ground 4. At this point, the operator remotely starts the drive motor 33 via the control panel 38, causing the drill bit 35 at the bottom of the rotating rod 32 to rotate and loosen the soil on both sides of the soil-breaking plate 31, allowing for deeper hammering in the next stroke. The rotating rod 32 rotates... Meanwhile, the vent holes 36 on the surface release the loose soil gas drilled by the drill bit 35, preventing the internal pressure from increasing and becoming a resistance during pile driving. The retaining slope plate 37 on the surface of the rotating rod 32 prevents soil from entering the vent holes 36 and causing blockage. This allows each hammer blow to reach a greater depth than the previous one, thus driving the pile faster and shortening the construction period. After hammering, concrete is poured into the pile body 11. Because the pile body 11 is relatively deep, it is not easy to vibrate. When the concrete enters, it falls onto the uppermost arc plate 15, and the gravity stretches the spring 19. The pull hooks 18 and 110 at both ends prevent the spring 19 from falling. At this time, the arc plate 15 bears the falling concrete. The concrete slides from both sides of the arc plate 15 to the surface of the lower arc plate 15 and the steps are repeated, so that the concrete can collapse to the maximum extent and accumulate from the bottom, thereby avoiding the situation that the pile body 11 is too deep to be vibrated and compacted, making the formed pile foundation more solid. During the concrete forming, the expansion PHC concrete protective layer 12 is limited to prevent the concrete from expanding and misaligning. At the same time, the transverse prestressed reinforcing bar 13 and the clamping plate 16 resist the squeezing force applied by the external ground 4 while preventing expansion deformation. Because the pile foundation specification requires that part of the pile head be left outside for foundation construction, the pile head protection component 2 is taken out and can be used for another hollow square pile 1.

[0041] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A prestressed hollow square pile reinforcement structure, comprising a hollow square pile (1), a pile head protection component (2), and a soil breaking component (3), characterized in that: The top of the hollow square pile (1) is movably connected to a pile head protection component (2), the bottom of the hollow square pile (1) is fixedly connected to a ground breaking component (3), the surface of the hollow square pile (1) and the surface of the ground breaking component (3) are fixedly connected to a ground surface (4), and the surface of the pile head protection component (2) is movably connected to the surface of the ground surface (4). The hollow square pile (1) includes a pile body (11), the top of the pile body (11) is movably connected to the inner side of the pile head protection component (2), the bottom of the pile body (11) is fixedly connected to the top of the soil breaking component (3), the surface of the pile body (11) is fixedly connected to the interior of the ground (4), a transverse prestressed reinforcing bar (13) is fixedly installed inside the pile body (11), and a vertical prestressed reinforcing bar (14) is fixedly connected to the inner side of the transverse prestressed reinforcing bar (13). The pile head protection assembly (2) includes a protective plate (21) and a soil-breaking nail (29). The inner side of the protective plate (21) is movably connected to the surface of the pile body (11), and the surface of the soil-breaking nail (29) is movably connected to the surface of the ground (4). A high-strength bolt (22) is threadedly connected to the inside of the protective plate (21), and the surface of the high-strength bolt (22) is threadedly connected to the inside of the PHC concrete protective layer (12). A reinforcing wing plate (23) is fixedly connected to the inside of the protective plate (21), and a hammer rod (24) is fixedly connected to the top of the protective plate (21). The soil-breaking component (3) includes a soil-breaking plate (31), the surface of which is fixedly connected to the interior of the ground (4), a fixing plate (34) is fixedly connected to the interior of the soil-breaking plate (31), a control panel (38) is fixedly connected to the top of the fixing plate (34), a drive motor (33) is fixedly connected to the bottom of the fixing plate (34), and a rotating rod (32) is movably connected to the surface of the soil-breaking plate (31). The output end of the drive motor (33) is fixedly connected to one end of the rotating rod (32).

2. The prestressed hollow square pile reinforcement structure according to claim 1, characterized in that: The surface of the transverse prestressed reinforcing bar (13) is fixedly connected with a clamp (16), and the interior of the pile body (11) is fixedly connected with a PHC concrete protective layer (12).

3. The prestressed hollow square pile reinforcement structure according to claim 1, characterized in that: The inner walls of the pile (11) are fixedly connected to two sides of a fixing block (17), and a pull hook (18) is fixedly connected inside the fixing block (17). A spring (19) is fixedly connected to the bottom of the pull hook (18).

4. The prestressed hollow square pile reinforcement structure according to claim 3, characterized in that: One end of the spring (19) is fixedly connected to a second hook (110), the surface of the second hook (110) is fixedly connected to a fixing member (111), and the bottom of the fixing member (111) is fixedly connected to an arc plate (15).

5. A prestressed hollow square pile reinforcement structure according to claim 1, characterized in that: The top of the guard plate (21) is fixedly connected to a hinge block (25), and a connecting rod (26) is movably connected to the surface of the hinge block (25).

6. The prestressed hollow square pile reinforcement structure according to claim 5, characterized in that: The other end of the connecting rod (26) is fixedly connected to a hinge block two (27), and the bottom of the hinge block two (27) is fixedly connected to a positioning block (28).

7. A prestressed hollow square pile reinforcement structure according to claim 6, characterized in that: The bottom of the positioning block (28) is movably connected to the top of the ground (4), and the interior of the positioning block (28) is movably connected to the surface of the soil-breaking nail (29).

8. A prestressed hollow square pile reinforcement structure according to claim 1, characterized in that: The rotating rod (32) has an exhaust hole (36) inside, and a retaining slope plate (37) is fixedly connected to the surface of the rotating rod (32).

9. A prestressed hollow square pile reinforcement structure according to claim 1, characterized in that: The bottom of the rotating rod (32) is fixedly connected to a drill bit (35), and the surface of the drill bit (35) is movably connected to the interior of the ground (4).

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