Square pile static pressure device and construction method

Abstract

The application relates to a square pile static pressure device and a construction method, and belongs to the technical field of revetment construction. The square pile static pressure device comprises a guide pile frame, a sliding seat, a lifting piece, a clamping assembly and a static pressure assembly. The guide pile frame is fixedly arranged. The sliding seat is slidingly arranged on the guide pile frame. The lifting piece is installed on the guide pile frame and used for driving the sliding seat to slide on the guide pile frame. The clamping assembly and the static pressure assembly are both installed on the sliding seat. The static pressure assembly is located above the clamping assembly. The clamping assembly is used for clamping the square pile. The static pressure assembly comprises a mounting seat, a pushing piece and a pushing plate. The mounting seat is hinged to the sliding seat. The pushing piece is installed on the mounting seat and connected with the pushing plate. When the mounting seat is turned over to the sliding seat, the pushing plate can abut against the upper end surface of the square pile. The application has the effect of improving the square pile pressing-in efficiency.

Description

Technical Field

[0001] This application relates to the field of bank protection construction, and in particular to a static pressure device for square piles and its construction method. Background Technology

[0002] Bank protection engineering refers to the measures taken to reinforce existing bank slopes in estuaries, rivers, lakes, and coastal areas. It is mainly used to prevent the bank slopes from being eroded by waves and water flow, as well as from collapsing when the bank slopes are subjected to soil pressure and groundwater seepage pressure.

[0003] Currently, during the construction of revetment projects, square piles are often driven into the bank slope to enable the revetment to withstand greater water flow impact. The current method of driving in square piles is to use static pressure equipment to clamp the square piles, and then use the downward pressure of the static pressure equipment to drive the square piles into the ground. After the front part of the square pile is driven into the ground, the clamp is released, the clamping position of the square pile is adjusted, and then the square pile is clamped and pressed down again to drive the square pile further into the ground. This process is repeated until the square pile is completely submerged in the ground.

[0004] However, this static pressure method means that once the square pile is completely submerged in the ground, it cannot be pressed down further, resulting in a limited stroke. This means that during construction, if it is necessary to press the square pile further into the ground, it may be necessary to use other equipment to press the square pile that is completely submerged in the ground in a second stage. Changing the equipment takes time, which leads to low efficiency in pressing the square pile. Summary of the Invention

[0005] To improve the efficiency of square pile driving, this application provides a square pile static pressure device.

[0006] The static pressure device for square piles provided in this application adopts the following technical solution: The system includes a guide pile frame, a sliding seat, a lifting component, a clamping assembly, and a static pressure assembly. The guide pile frame is fixedly installed, and the sliding seat is slidably installed on the guide pile frame. The lifting component is installed on the guide pile frame to drive the sliding seat to slide on the guide pile frame. The clamping assembly and the static pressure assembly are both installed on the sliding seat. The static pressure assembly is located above the clamping assembly and is used to clamp the square pile. The static pressure assembly includes a mounting base, a pushing component, and a pushing plate. The mounting base is hinged to the sliding seat, and the pushing component is installed on the mounting base and connected to the pushing plate. When the mounting base is flipped onto the sliding seat, the pushing plate can abut against the upper end face of the square pile.

[0007] By adopting the above technical solution, and by setting up a guide pile frame, a sliding seat, a lifting component, and clamping and static pressure components respectively installed on the sliding seat, the sliding seat can be raised and lowered on the guide pile frame under the action of the lifting component. In conjunction with the clamping component, the square pile is clamped, allowing it to be pressed into the ground. When the square pile is completely submerged in the ground, the mounting seat flips onto the sliding seat. At this time, when the pushing component on the mounting seat drives the pushing plate, the pushing plate can be pressed against the upper end face of the square pile. Under the action of the pushing plate, the square pile is further pressed into the ground. During the entire static pressure process, after the upper end face of the square pile is flush with the ground, it can be further pressed into the ground, increasing the stroke of pressing the square pile. Even after the upper end face of the square pile is completely submerged in the ground, it can still be further pushed into the ground. There is no need to change tools, saving the time required for tool replacement and achieving the effect of improving construction efficiency.

[0008] Optionally, the mounting base is provided with a first actuating part, and the guide pile frame is provided with an actuating block. The actuating block can abut against the first actuating part when the sliding seat rises. The actuating block is used to drive the mounting base to rotate around the hinge axis between the mounting base and the sliding seat.

[0009] By adopting the above technical solution, when the sliding seat rises under the action of the lifting component, the first actuating part will abut against the actuating block, thereby driving the mounting seat to rotate on the sliding seat in a direction closer to the guide pile frame. This allows the subsequent square piles to be lowered from above the sliding seat to the position of the sliding seat by hoisting and clamped by the clamping component, thus improving the efficiency of filling the square piles to the clamping component.

[0010] Optionally, a limiting block is provided on the side of the mounting base away from the guide pile frame, and a limiting groove is provided on the limiting block. An abutment block is provided on the guide pile frame. When the first actuating part on the mounting base abuts against the actuating block, the abutment block can enter the limiting groove.

[0011] By adopting the above technical solution, when the mounting seat rotates on the sliding seat toward the direction of the guide pile frame, the limiting block rotates to the bottom of the abutting block. As the sliding seat rises further on the guide pile frame, the limiting groove on the limiting block can engage with the abutting block from bottom to top. This prevents the mounting seat from easily rotating around the axis between itself and the sliding seat after the sliding seat rises to a high position when the square pile is being filled.

[0012] Optionally, the mounting base is also provided with a second actuating part, which is located between the limiting block and the first actuating part. The actuating block can abut against the second actuating part when the sliding base descends.

[0013] By adopting the above technical solution, the mounting base is provided with a second actuating part, and the sliding seat of the second actuating part can abut against the actuating block when it descends. This allows the mounting base to rotate from a position close to the guide pile frame towards the sliding seat when the sliding seat descends, and finally cover the square pile of the clamping component. This allows the pushing member and the pushing plate to be positioned above the square pile clamped by the clamping component, thereby realizing the subsequent second stage of pressing the square pile.

[0014] Optionally, a mounting block is provided on the guide pile frame, the mounting block is located below the actuating block, and a sensing element is provided on the mounting block. An electromagnet for attracting the sliding seat is provided on the side of the mounting base away from the guide pile frame. The electromagnet is electrically connected to the sensing element, and the sensing element is used to control whether the electromagnet is energized.

[0015] By adopting the above technical solution, when the sliding seat rises to a certain height, the sensing element can sense the sliding seat. The sensing element transmits the sensing of the sliding seat, causing the electromagnet on the mounting base to lose its attraction to the sliding seat. This allows the mounting base to rotate in the direction of the guide pile frame under the action of the toggle block and the first toggle part. When the sliding seat descends, the mounting base rotates in the direction of the sliding seat under the action of the toggle block and the second toggle part and finally covers the sliding seat. At this time, the sensing element loses its sensing of the sliding seat. This allows the electromagnet to attract the sliding seat on the mounting base, so that when the subsequent pusher drives the push plate, the mounting base will not easily rotate around the axis of the hinge shaft between it and the sliding seat.

[0016] Optionally, the clamping assembly includes a clamping member and two clamping plates. The clamping member is mounted on a sliding seat, and the two clamping plates are respectively mounted on both ends of the clamping member. Both clamping plates are used to clamp the square stake.

[0017] By adopting the above technical solution, both clamping plates are installed on the clamping member, which enables the two clamping plates to clamp the square pile located between the two clamping plates under the action of the clamping member, thereby pressing the square pile into the ground by following the sliding seat downward.

[0018] Optionally, both clamping plates have anti-slip textures on the side that abuts against the square pile.

[0019] By adopting the above technical solution, anti-slip textures are provided on the side of the two clamping plates that abut against the square pile, so that the square pile will not easily slide relative to the clamping plates when the two clamping plates clamp the square pile, which increases the friction between the clamping plates and the square pile.

[0020] Secondly, this application also provides a method for static pressure construction of square piles, which employs the aforementioned static pressure device for square piles and includes the following steps: S100: Place the square stake on the sliding seat and clamp it using the clamping assembly; S200: The lifting component drives the sliding seat to descend on the guide pile frame, so that the square pile is initially inserted into the ground.

[0021] S300: The clamping component releases the clamp on the opposing stake, and the lifting component drives the sliding seat to rise, so that the clamping component can clamp the opposing stake again at another position. S400: The lifting component descends again, and the square pile is further pressed into the ground under the clamping component; S500: After the square pile is completely submerged in the ground, the pusher is activated to make the pusher plate abut against the end face of the square pile, so that the pusher plate further pushes the square pile down.

[0022] In summary, this application includes at least the following beneficial technical effects: 1. By sliding the sliding seat on the guide pile frame and clamping the square pile with the clamping component, the square pile can be pressed into the ground. Subsequently, the square pile can be further pressed into the ground by the static pressure component. This allows the square pile to be pushed further into the ground even after the upper end of the square pile is completely submerged in the ground, without the need to change tools, saving the time required for tool replacement and achieving the effect of improving construction efficiency.

[0023] 2. By setting a first actuating part on the mounting base and a actuating block on the guide pile frame, when the sliding seat rises under the drive of the lifting component, the first actuating part will abut against the actuating block. Under the action of the actuating block, the mounting base will rotate around, allowing the mounting base to rotate on the sliding seat towards the guide pile frame. This enables the subsequent square piles to be lowered from above the sliding seat by hoisting to the position of the sliding seat where they are clamped by the clamping component, thereby improving the efficiency of square pile loading to the clamping component. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of a square pile static pressure device in Embodiment 1 (with the sliding seat at the highest position). Figure 2 This is a three-dimensional structural diagram of a static pressure device for square piles in Embodiment 1 (with the sliding seat at its lowest position). Figure 3 yes Figure 1 The main view; Figure 4 yes Figure 3 A schematic diagram of the cross-section after cutting along point AA; Figure 5 yes Figure 1 A schematic diagram of the three-dimensional structure from another perspective.

[0025] Explanation of reference numerals in the attached drawings: 1. Guide pile frame; 2. Sliding seat; 3. Lifting component; 4. Clamping assembly; 5. Static pressure assembly; 6. Mounting seat; 7. Pushing component; 8. Pushing plate; 9. First actuating part; 10. Actuating block; 11. Limiting block; 12. Limiting groove; 13. Abutting block; 14. Second actuating part; 15. Mounting block; 16. Sensing element; 17. Electromagnet; 18. Clamping component; 19. Clamping plate; 20. Anti-slip texture. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0027] Example 1 Embodiment 1 of this application discloses a static pressure device for square piles, referring to... Figure 1 and Figure 2 It includes a guide pile frame 1, a sliding seat 2, a lifting component 3, a clamping assembly 4, and a static pressure assembly 5. The guide pile frame 1 is vertically set on the ground, while there are two lifting components 3, which are located on both sides of the guide pile frame 1. The lifting component 3 is a hydraulic cylinder and is fixedly set on the guide pile frame 1. The movable ends of the lifting component 3 are vertically fixed on the sliding seat 2, which allows the sliding seat 2 to reciprocate along the length of the guide pile frame 1 under the push of the lifting component 3.

[0028] The clamping assembly 4 and the static pressure assembly 5 are respectively installed on the sliding seat 2. The clamping assembly 4 and the static pressure assembly 5 are distributed vertically. The static pressure assembly 5 is located above the first assembly. The sliding seat 2 has a concave cross-section. The groove on the sliding seat 2 is adapted to the cross-section of the square pile. The opening direction of the groove on the sliding seat 2 is away from the guide pile frame 1.

[0029] The clamping assembly 4 includes a clamping member 18 and two clamping plates 19. The clamping member 18 is a clamping hydraulic cylinder. The two clamping plates 19 are respectively installed at both ends of the clamping member 18. An installation groove for installing the clamping member 18 is provided at the lower end of the groove on the sliding seat 2. When the clamping member 18 is installed in the installation groove, the clamping member 18 makes room for the side wall of the square pile located in the groove. This prevents the square pile from interfering with the clamping member 18 when it moves on the sliding seat 2. The two clamping plates 19 can clamp the square pile on the sliding seat 2 under the drive of the clamping member 18, so that the square pile can rise and fall together with the sliding seat 2 after being clamped.

[0030] On the side of the clamping plate 19 that abuts against the side wall of the square pile, there is also an anti-slip texture 20. The extension direction of the anti-slip texture 20 is consistent with the length direction of the clamping plate 19. The anti-slip texture 20 increases the friction between the clamping plate 19 and the side wall of the square pile, so that when the square pile is clamped and pressed into the ground, the square pile will not easily slide relative to the clamping plate 19 during the pressing process.

[0031] Reference Figure 2 , Figure 3 and Figure 4 The static pressure assembly 5 includes a mounting base 6, a pusher 7, and a pusher plate 8. The mounting base 6 is located above the sliding base 2. The side of the mounting base 6 closest to the guide pile frame 1 is hinged to the sliding base 2, while the side of the mounting base 6 furthest from the guide pile frame 1 is detachably connected to the sliding base 2. The pusher 7 is a hydraulic cylinder, which is fixedly mounted on the upper surface of the mounting base 6. The movable end of the pusher 7 passes through the mounting base 6 and is vertically fixed to the pusher plate 8. This allows the pusher plate 8 to push the square pile after it has been pressed into place by the clamping assembly 4 under the action of the pusher 7, thereby achieving further pressing of the square pile.

[0032] Reference Figure 2 , Figure 4 and Figure 5 A first actuating part 9 is provided on the upper surface of the mounting base 6 near the guide pile frame 1, and an actuating block 10 is provided at the upper end of the guide pile frame 1. This allows the actuating block 10 to abut against the first actuating part 9 when the sliding seat 2 rises under the action of the lifting member 3, thereby driving the mounting base 6 that originally covered the upper surface of the sliding seat 2. Figure 2 The sliding seat 2 shown is in a horizontal position and rotates towards the guide pile frame 1. Figure 4 (As shown in the figure, the sliding seat 2 is in the vertical position). At this time, the lower surface of the mounting seat 6 is flush with the side of the groove on the sliding seat 2 near the guide pile frame 1. This allows the mounting seat 6 to expose the groove on the sliding seat 2, so that the square pile can be lowered from above the sliding seat 2 by hoisting, and thus the clamping assembly 4 can clamp the square pile on the sliding seat 2.

[0033] Furthermore, a receiving groove for accommodating the push plate 8 can be provided on the lower surface of the mounting base 6. This allows the side of the push plate 8 away from the push member 7 to remain flush with the lower surface of the mounting base 6 when the push member 7 is in its original, unextended position, thus preventing easy interference with the square pile being placed into the groove of the sliding base 2.

[0034] A limiting block 11 is provided on the side of the upper surface of the mounting base 6 away from the guide pile frame 1. The limiting block 11 is provided with a limiting groove 12. On the guide pile frame 1, there are two abutment blocks 13. The two abutment blocks 13 are provided and are independent of each other. The two abutment blocks 13 are respectively installed on the guide pile frame 1 and are at the same horizontal height. Both abutment blocks 13 are located above the actuating block 10. When the mounting base 6 rotates towards the guide pile frame 1 under the action of the actuating block 10 and the first actuating part 9, the limiting block 11 also rotates with the mounting base 6. Thus, after the mounting base 6 has rotated, the limiting block 11 is directly below the abutment block 13. When the sliding seat 2 continues to rise, the limiting groove 12 on the limiting block 11 engages with the abutment block 13. This prevents the mounting base 6 from easily rotating around the axis of the hinge shaft between it and the sliding seat 2 after the limiting block 11 and the abutment block 13 are engaged. Furthermore, the two independent abutment blocks 13 ensure that the pusher 7 on the mounting base 6 will not easily interfere with the abutment blocks 13 when the mounting base 6 rotates.

[0035] A second actuating part 14 is also provided on the upper surface of the mounting base 6. Two second actuating parts 14 are also provided, both mounted on the upper surface of the mounting base 6 and located between the limiting block 11 and the first actuating part 9. The two second actuating parts 14 are symmetrically distributed on the mounting base 6 about the axis of the pushing member 7. When the mounting base 6 rotates to a position close to the guide pile frame 1 (e.g....), Figure 5 As shown, the mounting base 6 is in the vertical position. If the sliding seat 2 descends under the action of the lifting member 3, the second actuating part 14 will abut against the actuating block 10 during the descent of the mounting base 6, thereby allowing the mounting base 6 to rotate around the axis of the hinge shaft from the position near the guide pile frame 1 towards the direction near the sliding seat 2, thus re-covering the upper end surface of the sliding seat 2 (as shown). Figure 2 As mentioned above, the mounting base 6 is in a horizontal position.

[0036] A mounting block 15 is also provided on the guide pile frame 1. The mounting block 15 is located below the actuating block 10. A sensing element 16 is provided on the mounting block 15. The sensing element 16 is a self-emitting and self-receiving photoelectric sensor. On the lower surface of the mounting base 6, away from the guide pile frame 1, an electromagnet 17 is fixedly installed for attracting the sliding seat 2. The sensing element 16 is electrically connected to the electromagnet 17. The sensing element 16 is used to sense the sliding seat 2. When the sliding seat 2 is at the upper end of the guide pile frame 1 under the action of the lifting component 3, the sensing element 16 senses... When the sliding seat 2 is reached and a sensing signal is always present, the electromagnet 17 is de-energized, which allows the mounting seat 6 to rotate around the axis of the hinge shaft between it and the sliding seat 2. When the sliding seat 2 is lowered by the lifting component 3, the sensing element 16 loses its sensing of the sliding seat 2, and the electromagnet 17 is energized. At this time, the mounting seat 6 covers the upper end of the sliding seat 2, which prevents the mounting seat 6 from easily rotating on the sliding seat 2 when the subsequent pushing component 7 drives the pushing plate 8 to press the square stake in.

[0037] In other embodiments, the detachable connection between the mounting base 6 and the fixed base can also be achieved by bolts. That is, after the clamping assembly 4 has completely pressed the square pile into the ground, before the static pressure assembly 5 is to be activated, the connection between the mounting base 6 and the sliding base 2 can be achieved by manually inserting bolts into the mounting base 6. This ensures that when the static pressure assembly 5 is activated, the mounting base 6 will not easily rotate on the sliding base 2 around the axis of the hinge axis with the sliding base 2.

[0038] The implementation principle of this application embodiment is as follows: The guide pile frame 1 is fixedly set at the position where the square pile needs to be pressed in. At this time, the original position of the lifting component 3 is at the highest position, the sliding seat 2 is located at the upper end of the guide pile frame 1, and the mounting seat 6 is rotated to a vertical state. The mounting seat 6 clears the slot on the sliding seat 2. Subsequently, the square pile is placed from above the sliding seat 2 by hoisting. When the lower end of the square pile abuts the ground, the clamping component 18 is activated, so that the two clamping plates 19 clamp the square pile, and then the clamping plate 19 is released. During hoisting, the lifting component 3 is activated, causing the sliding seat 2 to move closer to the ground, pressing the square pile into the ground. Subsequently, the clamping component 18 drives the clamping plate 19 to release the clamp on the square pile. The lifting component 3 then causes the sliding seat 2 to rise to the middle height (at this height, the sensing element 16 cannot sense the sliding seat 2, and the actuating block cannot abut against the first actuating part 9). After the clamping component 18 drives the clamping plate 19 to clamp the square pile again, the lifting component 3 descends again, causing the square pile to be pressed in again. This process is repeated until the square pile is submerged in the ground.

[0039] After the square pile is driven into the ground, the lifting component 3 drives the sliding seat 2 to the lowest position, and then the pushing component 7 pushes the pushing plate 8 to move towards the upper end of the square pile, and finally the square pile can be further pressed into the ground through the action of the pushing component 7.

[0040] After the static pressing of the square pile is completed, the lifting component 3 drives the sliding seat 2 to rise again to the highest position. During the rising process, the mounting seat 6 flips from the horizontal state to the vertical state on the sliding seat 2. Subsequently, the next square pile can be pressed in by changing the position of the guide pile frame 1.

[0041] Example 2 Embodiment 2 of this application provides a method for static pressure construction of square piles, which uses a static pressure device for square piles as described in Embodiment 1 above, and includes the following steps: S100: Place the square stake on the sliding seat 2 and clamp it by the clamping assembly 4; S200: The lifting component 3 drives the sliding seat 2 to descend on the guide pile frame 1, so that the square pile is initially inserted into the ground.

[0042] S300: The clamping component 4 releases the clamp on the opposing stake, and the lifting component 3 drives the sliding seat 2 to rise to the middle height, so that the clamping component 4 can clamp the opposing stake again at another position. S400: The lifting component 3 descends again, and the square pile is further pressed into the ground under the clamping component 4; S500: After the square pile is completely submerged in the ground, the lifting component 3 drives the sliding seat 2 to descend to the lowest point. By activating the pushing component 7, the pushing plate 8 comes into contact with the end face of the square pile, so that the pushing plate 8 further pushes the square pile down, thus completing the current pressing of the square pile.

[0043] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A static pressure device for square piles, characterized in that: The system includes a guide pile frame (1), a sliding seat (2), a lifting component (3), a clamping assembly (4), and a static pressure assembly (5). The guide pile frame (1) is fixedly installed, and the sliding seat (2) is slidably installed on the guide pile frame (1). The lifting component (3) is installed on the guide pile frame (1) to drive the sliding seat (2) to slide on the guide pile frame (1). The sliding seat (2) has a concave cross-section, and the groove is adapted to the cross-section of the square pile. The opening direction of the groove is away from the guide pile frame (1). The clamping assembly (4) and the static pressure assembly (5) are also included. The static pressure components (5) are all mounted on the sliding seat (2). The static pressure components (5) are located above the clamping components (4). The clamping components (4) are used to clamp the square pile. The static pressure components (5) include a mounting seat (6), a pusher (7), and a pusher plate (8). The mounting seat (6) is hinged to the sliding seat (2). The pusher (7) is mounted on the mounting seat (6) and connected to the pusher plate (8). When the mounting seat (6) is flipped onto the sliding seat (2), the pusher plate (8) can abut against the upper end face of the square pile.

2. The static pressure device for square piles according to claim 1, characterized in that: The mounting base (6) is provided with a first actuating part (9), and the guide pile frame (1) is provided with an actuating block (10). The actuating block (10) can abut against the first actuating part (9) when the sliding seat (2) rises. The actuating block (10) is used to drive the mounting base (6) to rotate around the hinge axis between it and the sliding seat (2).

3. The static pressure device for square piles according to claim 2, characterized in that: A limiting block (11) is provided on the side of the mounting base (6) away from the guide pile frame (1). A limiting groove (12) is provided on the limiting block (11). An abutment block (13) is provided on the guide pile frame (1). When the first actuating part (9) on the mounting base (6) abuts against the actuating block (10), the abutment block (13) can enter the limiting groove (12).

4. The static pressure device for square piles according to claim 3, characterized in that: The mounting base (6) is also provided with a second actuating part (14), which is located between the limiting block (11) and the first actuating part (9). The actuating block (10) can abut against the second actuating part (14) when the sliding base (2) descends.

5. The static pressure device for square piles according to claim 2, characterized in that: The actuating block (10) is provided with a mounting block (15), which is located below the actuating block (10). The mounting block (15) is provided with a sensing element (16). The mounting base (6) is provided with an electromagnet (17) for attracting the sliding seat (2) on the side away from the guide pile frame (1). The electromagnet (17) is electrically connected to the sensing element (16), and the sensing element (16) is used to control whether the electromagnet (17) is energized.

6. The static pressure device for square piles according to claim 1, characterized in that: The clamping assembly (4) includes a clamping member (18) and two clamping plates (19). The clamping member (18) is mounted on the sliding seat (2), and the two clamping plates (19) are respectively mounted on both ends of the clamping member (18). Both clamping plates (19) are used to clamp the square stake.

7. A static pressure device for square piles according to claim 6, characterized in that: Both clamping plates (19) have anti-slip textures (20) on the side that abuts against the square pile.

8. A method for static pressure construction of square piles, employing a static pressure device for square piles as described in any one of claims 1-7, characterized in that: The process includes the following steps: S100: Place the square pile on the sliding seat (2) and clamp it with the clamping assembly (4); S200: The lifting component (3) drives the sliding seat (2) to descend on the guide pile frame (1), so that the square pile is initially inserted into the ground; S300: The clamping assembly (4) releases the clamp on the square pile, and the lifting component (3) drives the sliding seat (2) to rise, so that the clamping assembly (4) clamps the square pile again at another position; S400: The lifting component (3) descends again, and the square pile is further pressed into the ground under the clamping of the clamping assembly (4); S500: When the square pile is completely submerged in the ground, flip the mounting base (6) so that the mounting base (6) rotates onto the sliding seat (2), and start the pusher (7) so that the pusher plate (8) abuts against the end face of the square pile, so that the pusher plate (8) further pushes the square pile down.

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