A steel pipe hoisting construction method for a steel pipe pile

Abstract

The present application relates to the field of steel pipe hoisting construction method for steel pipe pile, and particularly relates to a steel pipe hoisting construction method for steel pipe pile. The steel pipe hoisting construction method for steel pipe pile comprises the following steps: S1, a first main hoisting assembly is inserted into a through hole at one end of a steel pipe pile, the first main hoisting assembly is fixed to the steel pipe pile, and a second main hoisting assembly is fixed to the other end of the steel pipe pile; S2, the steel pipe pile is hoisted to a predetermined position, the first main hoisting assembly is lifted to lift one end of the steel pipe pile, and the steel pipe pile is moved from a horizontal direction to a vertical direction; and S3, the first main hoisting assembly is separated from the upper end of the steel pipe pile by using an auxiliary hoisting assembly. The steel pipe hoisting construction method for steel pipe pile of the present application can separate the first main hoisting assembly at the upper part of the steel pipe pile from the steel pipe pile, and the whole process only needs to set a through hole at one end of the steel pipe pile, and does not need to set a lifting lug on the outer side of the steel pipe pile, so that the lifting lug is prevented from interfering with the outer hoop equipment, and the influence of the hoisting process on the downward movement of the steel pipe pile is reduced.

Description

Technical Field

[0001] This invention relates to the field of steel pipe lifting construction methods for steel pipe piles, and particularly to a steel pipe lifting construction method for steel pipe piles. Background Technology

[0002] Currently, during the construction of high-pile wharves, steel pipe piles need to be installed. This involves connecting the two ends of a horizontally placed steel pipe to the wire ropes of a lifting device, then using a crane to lift the lifting device and make the steel pipe pile vertical. After that, it is lifted to the construction position and placed vertically on the piling equipment (piling machine or piling boat), where it is then driven downwards by the piling equipment.

[0003] During the above process, since the piling equipment is equipped with steel pipe piles, welding lugs should be avoided on the outside of the steel pipe piles as much as possible to prevent interference between the lugs and the equipment, which would affect the downward movement of the steel pipe piles.

[0004] Meanwhile, in the above process, how to separate the steel wire rope at the top of the steel pipe pile from the steel pipe pile after it has been placed vertically on the piling equipment has become a technical problem that needs to be solved in this field. Summary of the Invention

[0005] The purpose of this invention is to overcome the problem in the prior art that the wire rope at the top of the steel pipe cannot be separated from the steel pipe when no lifting lugs are installed on the outside of the steel pipe during the lifting process, and to provide a steel pipe lifting construction method for steel pipe piles.

[0006] In a first aspect, the present invention provides a method for lifting steel pipes for steel pipe piles, comprising:

[0007] The first main lifting assembly, the second main lifting assembly, and the auxiliary lifting assembly, wherein one end of the steel pipe is provided with a through hole arranged opposite to the other;

[0008] This construction method includes the following steps:

[0009] S1. Insert the end of the first main lifting assembly near the steel pipe into the through hole and fix it to the auxiliary lifting assembly inside the steel pipe, so that the first main lifting assembly is fixed to the steel pipe; fix the second main lifting assembly to the other end of the steel pipe;

[0010] S2. The steel pipe is lifted to a predetermined position by the first main lifting assembly and the second main lifting assembly, wherein the first main lifting assembly lifts, causing one end of the steel pipe to lift, and causing the steel pipe to move from the horizontal to the vertical.

[0011] S3. Use the auxiliary lifting assembly to detach the first main lifting assembly from the upper end of the steel pipe.

[0012] The steel pipe lifting construction method for steel pipe piles described in this application involves lifting the steel pipe to a predetermined position using a first main lifting assembly and a second main lifting assembly. Then, the auxiliary lifting assembly is used to detach the first main lifting assembly from the upper end of the steel pipe. This achieves the purpose of detaching the first main lifting assembly from the steel pipe without manual intervention. Moreover, the entire process only requires a through hole at one end of the steel pipe and does not require lifting lugs on the outside of the steel pipe, thereby avoiding interference between the lifting lugs and the external hoisting equipment and reducing the impact of the lifting process on the downward movement of the steel pipe.

[0013] Preferably, the through hole on one side of the steel pipe is a first through hole, and the through hole on the other side is a second through hole.

[0014] Preferably, the first main lifting assembly includes a first lifting rope, the lower part of which is connected to a first branch lifting rope and a second branch lifting rope respectively. The end of the first branch lifting rope away from the first lifting rope is provided with a first lifting ring and a second lifting ring, and the end of the second branch lifting rope away from the first lifting rope is provided with a third lifting ring. The first lifting ring and the second lifting ring can extend into a first through hole, and the third lifting ring can extend into a second through hole.

[0015] Preferably, the auxiliary lifting assembly includes a second lifting rope, the end of which is connected to a pin. The pin can pass through a first lifting ring, a second lifting ring, and a third lifting ring, and can lock the third lifting ring between the first and second lifting rings when the first and second lifting ropes are tensioned. When the second lifting rope applies tension to the pin, the pin can disengage from the first, second, and third lifting rings.

[0016] Preferably, step S1 includes the following steps:

[0017] S11. Insert the first and second lifting rings into the first through hole, and insert the third lifting ring into the second through hole;

[0018] S12. Place the third lifting ring between the first and second lifting rings;

[0019] S13. Pass the pin through the first lifting ring, the third lifting ring, and the second lifting ring in sequence;

[0020] S14. Tension the first and second branch ropes so that one side of the pin is pressed against the first and second lifting rings, and the other side of the pin is pressed against the third lifting ring.

[0021] With one side of the pin pressed against the first and second lifting rings, and the other side of the pin pressed against the third lifting ring, it can effectively ensure that the pin does not detach from the first, second, and third lifting rings during the lifting process, thereby ensuring construction safety during the lifting process.

[0022] Preferably, step S3 includes the following steps:

[0023] S31. The first and second branch suspension ropes are slack.

[0024] S32. Raise the auxiliary lifting assembly so that the second lifting rope drives the pin shaft to move upward and disengages the pin shaft from the first lifting ring, the second lifting ring and the third lifting ring until the pin shaft is lifted out of the steel pipe;

[0025] S33. Raise the first main lifting assembly and pull the first and second lifting rings out of the first through hole, and pull the third lifting ring out of the second through hole.

[0026] The whole process is simple, without complex mechanical or electrical control structures, making construction simple and convenient, and effectively reducing construction costs.

[0027] Preferably, the pin extends into the steel pipe from the end of the steel pipe.

[0028] Preferably, the pin has a first recess that mates with the first lifting ring.

[0029] Preferably, the pin has a second recess that mates with the second lifting ring.

[0030] Preferably, the pin has a third recess that mates with the third lifting ring.

[0031] Preferably, the pin includes a shaft body, one end of which is connected to the second lifting rope along the axial direction, and the other end of which is connected to a shaft end structure. The shaft end structure can pass through the first lifting ring, the second lifting ring, and the third lifting ring, and at least one side of the shaft end structure protrudes radially from the pin body.

[0032] During the lifting process, the first and second lifting ropes are tensioned, one side of the pin is pressed against the first and second lifting rings, and the other side of the pin is pressed against the third lifting ring. Under these conditions, at least one side of the shaft end structure protrudes radially from the shaft body along the pin, which can further ensure that the pin does not detach from the first, second, and third lifting rings during the lifting process, thereby ensuring construction safety during the lifting process.

[0033] Preferably, the shaft end structure is a frustum structure, and the small end of the shaft end structure is threadedly connected to the shaft body.

[0034] Preferably, the shaft end structure is capable of elastic deformation along the axial direction of the shaft.

[0035] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0036] The present application describes a method for lifting steel pipe piles. The steel pipe pile is lifted to a predetermined position using a first main lifting assembly and a second main lifting assembly. Then, an auxiliary lifting assembly is used to detach the first main lifting assembly from the upper end of the steel pipe pile, thereby achieving the separation of the first main lifting assembly from the steel pipe pile. Furthermore, the entire process only requires a through hole at one end of the steel pipe pile and does not require lifting lugs on the outside of the pile, thus avoiding interference between the lifting lugs and the outer hoisting equipment and reducing the impact of the lifting process on the downward movement of the steel pipe pile. Attached image description:

[0037] Figure 1 This is a schematic diagram of the first main lifting assembly and auxiliary lifting assembly in a steel pipe lifting construction method for steel pipe piles according to this application.

[0038] Figure 2 This is a right-side view of the first main lifting assembly and auxiliary lifting assembly working together in a steel pipe lifting construction method for steel pipe piles according to this application.

[0039] Figure 3 For the purposes of this application Figure 2 Enlarged schematic diagram of part A in the middle.

[0040] Figure 4 This is a schematic diagram of the pin structure of this application.

[0041] Markings in the figure

[0042] 1-First main lifting assembly; 11-First lifting rope; 12-First branch lifting rope; 13-Second branch lifting rope; 14-Third lifting ring; 15-First lifting ring; 16-Second lifting ring; 2-Auxiliary lifting assembly; 21-Second lifting rope; 22-Pin; 23-First inner recess; 24-Second inner recess; 25-Third inner recess; 26-Shaft body; 27-Shaft end structure; 3-Steel pipe; 30-Through hole; 31-First through hole; 32-Second through hole; 4-Second main lifting assembly; 41-Third branch lifting rope; 42-Fourth branch lifting rope. Detailed Implementation

[0043] The present invention will now be described in further detail with reference to specific embodiments. However, this should not be construed as limiting the scope of the present invention to the following embodiments; all technologies implemented based on the content of the present invention fall within the scope of the present invention.

[0044] Unless otherwise specified, the use of terms such as "upper," "lower," "left," "right," "center," "inner," and "outer" to indicate orientation or positional relationships in the description of specific embodiments of the present invention is based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationship in which the product / equipment / device is typically placed during use. These terms are merely for the purpose of facilitating the description of the present invention or simplifying the description in specific embodiments, enabling those skilled in the art to quickly understand the solution, and do not indicate or imply that a particular device / component / element must have a specific orientation, or be constructed and operated in a specific positional relationship. Therefore, they should not be construed as limitations on the present invention.

[0045] Furthermore, the use of terms such as "horizontal," "vertical," "suspended," and "parallel" does not imply that the corresponding device / component / element must be absolutely horizontal, vertical, suspended, or parallel, but rather that it can be slightly tilted or have a deviation. For example, "horizontal" merely means that its direction is more horizontal relative to "vertical," not that the structure must be completely horizontal, but that it can be slightly tilted. Alternatively, it can be simplified to mean that the corresponding device / component / element, when set in a "horizontal," "vertical," "suspended," or "parallel" direction, can have an error / deviation of ±10% relative to the corresponding direction, more preferably within ±8%, more preferably within ±6%, more preferably within ±5%, and more preferably within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its function in the present invention.

[0046] Furthermore, the use of terms such as "first," "second," and "third" in terminology is merely for distinguishing between identical or similar components and should not be interpreted as emphasizing or implying the relative importance of a particular component.

[0047] Furthermore, in the description of the embodiments of the present invention, "several", "more than", and "a number of" represent at least two. The number can be any number, such as 2, 3, 4, 5, 6, 7, 8, or 9, and can even exceed nine.

[0048] Furthermore, in the description of the technical solution of this invention, unless otherwise explicitly specified / limited / restricted, the terms "set up," "install," "connect," "link," "provided with," "laid out," and "arranged" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to common connection methods in the art, such as welding, riveting, bolting, and threaded connections. Such connections can be mechanical, electrical, or communication connections; they can be direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components.

[0049] Example 1

[0050] like Figure 1-4 As shown, this embodiment provides a method for lifting steel pipes for steel pipe piles, including:

[0051] The first main lifting assembly 1, the second main lifting assembly 4, and the auxiliary lifting assembly 2, wherein one end of the steel pipe 3 is provided with a through hole 30 arranged oppositely;

[0052] This construction method includes the following steps:

[0053] S1. Insert one end of the first main lifting assembly 1 near the steel pipe 3 into the through hole 30, and fix it to the auxiliary lifting assembly 2 inside the steel pipe 3, so that the first main lifting assembly 1 is fixed to the steel pipe 3; fix the second main lifting assembly 4 to the other end of the steel pipe 3;

[0054] S2. The steel pipe 3 is lifted to a predetermined position by the first main lifting assembly 1 and the second main lifting assembly 4. The first main lifting assembly 1 is lifted, which drives one end of the steel pipe 3 to be lifted, and the steel pipe 3 is moved from the horizontal to the vertical. At this time, the auxiliary lifting assembly 2 is in a relaxed state.

[0055] S3. Use the auxiliary lifting assembly 2 to detach the first main lifting assembly 1 from the upper end of the steel pipe 3.

[0056] Specifically, preferably, the through hole 30 on one side of the steel pipe 3 is a first through hole 31, and the through hole 30 on the other side is a second through hole 32.

[0057] In a preferred embodiment, the first main lifting assembly 1 includes a first lifting rope 11, the lower part of which is connected to a first branch lifting rope 12 and a second branch lifting rope 13. The end of the first branch lifting rope 12 away from the first lifting rope 11 is provided with a first lifting ring 15 and a second lifting ring 16, and the end of the second branch lifting rope 13 away from the first lifting rope 11 is provided with a third lifting ring 14. The first lifting ring 15 and the second lifting ring 16 can extend into a first through hole 31, and the third lifting ring 14 can extend into a second through hole 32.

[0058] The auxiliary lifting assembly 2 includes a second lifting rope 21, with a pin 22 connected to the end of the second lifting rope 21. The pin 22 can pass through the first lifting ring 15, the second lifting ring 16, and the third lifting ring 14, and can lock the third lifting ring 14 between the first lifting ring 15 and the second lifting ring 16 when the first lifting rope 12 and the second lifting rope 13 are tensioned. When the second lifting rope 21 applies tension to the pin 22, the pin 22 can disengage from the first lifting ring 15, the second lifting ring 16, and the third lifting ring 14.

[0059] Based on the above scheme, step S1 includes the following steps:

[0060] S11. Insert the first lifting ring 15 and the second lifting ring 16 into the first through hole 31, and insert the third lifting ring 14 into the second through hole 32;

[0061] S12. The third lifting ring 14 is positioned between the first lifting ring 15 and the second lifting ring 16;

[0062] S13. Pass the pin 22 through the first lifting ring 15, the third lifting ring 14 and the second lifting ring 16 in sequence;

[0063] S14. Tension the first and second branch ropes 12 and 13 so that one side of the pin 22 is pressed against the first and second rings 15 and 16, and the other side of the pin 22 is pressed against the third ring 14.

[0064] With the pin 22 pressed against the first lifting ring 15 and the second lifting ring 16 on one side and against the third lifting ring 14 on the other side, it can effectively ensure that the pin 22 does not detach from the first lifting ring 15, the second lifting ring 16 and the third lifting ring 14 during the lifting process, thereby ensuring the construction safety of the lifting process.

[0065] Step S3 includes the following steps:

[0066] S31. The first branch suspension rope 12 and the second branch suspension rope 13 are in a slack state;

[0067] S32. Raise the auxiliary lifting assembly 2, so that the second lifting rope 21 drives the pin 22 to move upward, and the pin 22 disengages from the first lifting ring 15, the second lifting ring 16 and the third lifting ring 14, until the pin 22 is lifted out of the steel pipe 3;

[0068] S33. Raise the first main lifting assembly 1, and pull the first lifting ring 15 and the second lifting ring 16 out of the first through hole 31, and pull the third lifting ring 14 out of the second through hole 32.

[0069] The whole process is simple, without complex mechanical or electrical control structures, making construction simple and convenient, and effectively reducing construction costs.

[0070] In a preferred embodiment, the pin 22 extends into the steel pipe 3 from one end of the steel pipe 3.

[0071] In a preferred embodiment, the pin 22 is provided with a first recess 23 that cooperates with the first lifting ring 15.

[0072] In a preferred embodiment, the pin 22 is provided with a second recess 24 that mates with the second lifting ring 16.

[0073] In a preferred embodiment, the pin 22 is provided with a third recess 25 that cooperates with the third lifting ring 14.

[0074] In a preferred embodiment, the pin 22 includes a shaft body 26, one axial end of which is connected to the second lifting rope 21, and the other axial end of which is connected to a shaft end structure 27. The shaft end structure 27 can pass through a first lifting ring 15, a second lifting ring 16, and a third lifting ring 14. At least one side of the shaft end structure 27 protrudes radially from the shaft body 26 along the pin 22.

[0075] During the lifting process, the first lifting rope 12 and the second lifting rope 13 are tensioned. One side of the pin 22 is pressed against the first lifting ring 15 and the second lifting ring 16, and the other side of the pin 22 is pressed against the third lifting ring 14. Under these conditions, at least one side of the shaft end structure 27 protrudes radially from the shaft body 26 along the pin 22, which can further ensure that the pin 22 does not detach from the first lifting ring 15, the second lifting ring 16 and the third lifting ring 14 during the lifting process, thereby ensuring the construction safety of the lifting process.

[0076] In a preferred embodiment, the shaft end structure 27 is a frustum structure, and the small end of the shaft end structure 27 is threadedly connected to the shaft body 26.

[0077] In a preferred embodiment, the shaft end structure 27 is capable of elastic deformation along the axial direction of the shaft body 26.

[0078] In one preferred embodiment, the shaft end structure 27 is made of rubber or plastic.

[0079] In a preferred embodiment, the lower part of the second main lifting assembly 4 is connected to a third lifting rope 41 and a fourth lifting rope 42, both of which are wound around the outside of the steel pipe 3, with at least 3 turns.

[0080] In a further preferred manner, the third lifting rope 41 and the fourth lifting rope 42 are wound in opposite directions to reduce the amplitude of the swing of the steel pipe 3 during the lifting process.

[0081] The steel pipe lifting construction method for steel pipe piles described in this embodiment involves lifting the steel pipe 3 to a predetermined position using the first main lifting assembly 1 and the second main lifting assembly 4. Then, the auxiliary lifting assembly 2 is used to detach the first main lifting assembly 1 from the upper end of the steel pipe 3, thereby achieving the purpose of separating the first main lifting assembly 1 from the steel pipe 3. Moreover, the entire process only requires a through hole 30 at one end of the steel pipe 3, and there is no need to install lifting lugs on the outside of the steel pipe 3, thereby avoiding interference between the lifting lugs and the outer hoop equipment and reducing the impact of the lifting process on the downward movement of the steel pipe 3.

[0082] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A steel pipe hoisting construction method for a steel pipe pile, characterized by, The utility model relates to a steel pipe pile hoisting construction method, including: A first main hoisting assembly (1), a second main hoisting assembly (4) and an auxiliary hoisting assembly (2), one end of a steel pipe (3) is provided with a through hole (30) oppositely; The construction method comprises the following steps: S1. The first main hoisting assembly (1) is inserted into the through hole (30) near one end of the steel pipe (3), and is fixed with the auxiliary hoisting assembly (2) inside the steel pipe (3), so that the first main hoisting assembly (1) is fixed with the steel pipe (3); the second main hoisting assembly (4) is fixed with the other end of the steel pipe (3); S2. The steel pipe (3) is hoisted to a predetermined position by the first main hoisting assembly (1) and the second main hoisting assembly (4), wherein the first main hoisting assembly (1) is lifted, driving the steel pipe (3) to be lifted at one end, and making the steel pipe (3) move from horizontal to vertical; S3. The first main hoisting assembly (1) is separated from the upper end of the steel pipe (3) by using the auxiliary hoisting assembly (2); The through hole (30) on one side of the steel pipe (3) is a first through hole (31), and the through hole (30) on the other side is a second through hole (32); The first main hoisting assembly (1) comprises a first hoisting rope (11), and the lower part of the first hoisting rope (11) is respectively connected with a first sub-hoisting rope (12) and a second sub-hoisting rope (13); the end of the first sub-hoisting rope (12) away from the first hoisting rope (11) is provided with a first lifting ring (15) and a second lifting ring (16); the end of the second sub-hoisting rope (13) away from the first hoisting rope (11) is provided with a third lifting ring (14); the first lifting ring (15) and the second lifting ring (16) can be inserted into the first through hole (31); and the third lifting ring (14) can be inserted into the second through hole (32); The auxiliary hoisting assembly (2) comprises a second hoisting rope (21), and the end of the second hoisting rope (21) is connected with a pin shaft (22); the pin shaft (22) can pass through the first lifting ring (15), the second lifting ring (16) and the third lifting ring (14), and can lock the third lifting ring (14) between the first lifting ring (15) and the second lifting ring (16) when the first sub-hoisting rope (12) and the second sub-hoisting rope (13) are tensioned; and when the second hoisting rope (21) exerts a pulling force on the pin shaft (22), the pin shaft (22) can be separated from the first lifting ring (15), the second lifting ring (16) and the third lifting ring (14).

2. The steel pipe hoisting construction method for a steel pipe pile according to claim 1, characterized in that: The step S1 comprises the following steps: S11. The first lifting ring (15) and the second lifting ring (16) are inserted into the first through hole (31), and the third lifting ring (14) is inserted into the second through hole (32); S12. The third lifting ring (14) is arranged between the first lifting ring (15) and the second lifting ring (16); S13. The pin shaft (22) is sequentially inserted through the first lifting ring (15), the third lifting ring (14) and the second lifting ring (16). S14. Tension the first and second sub-suspension ropes (12) and (13) so that one side of the pin (22) is pressed against the first and second lifting rings (15) and the other side of the pin (22) is pressed against the third lifting ring (14); And / or, Step S3 includes the following steps: S31. The first branch rope (12) and the second branch rope (13) are in a slack state; S32. Raise the auxiliary lifting assembly (2) so that the second lifting rope (21) drives the pin (22) to move upward and disengage the pin (22) from the first lifting ring (15), the second lifting ring (16) and the third lifting ring (14) until the pin (22) is lifted out of the steel pipe (3). S33. Lift the first main lifting assembly (1) and pull the first lifting ring (15) and the second lifting ring (16) out of the first through hole (31), and pull the third lifting ring (14) out of the second through hole (32).

3. A steel pipe hoisting construction method for a steel pipe pile according to claim 2, characterized by: The pin (22) extends from the end of the steel pipe (3) into the steel pipe (3).

4. The method for lifting steel pipes for steel pipe piles according to claim 2, characterized in that: The pin (22) is provided with a first recess (23) that cooperates with the first lifting ring (15). And / or, The pin (22) is provided with a second recess (24) that cooperates with the second lifting ring (16). And / or, The pin (22) is provided with a third recess (25) that cooperates with the third lifting ring (14).

5. The steel pipe hoisting construction method for a steel pipe pile according to claim 2, characterized by The pin (22) includes a shaft body (26), one end of which is connected to the second lifting rope (21) along the axial direction, and the other end of which is connected to a shaft end structure (27) along the axial direction. The shaft end structure (27) can pass through the first lifting ring (15), the second lifting ring (16) and the third lifting ring (14). At least one side of the shaft end structure (27) protrudes radially from the shaft body (26) along the pin (22).

6. A steel pipe hoisting construction method for a steel pipe pile according to claim 5, characterized by The shaft end structure (27) is a frustum structure, and the small end of the shaft end structure (27) is threadedly connected to the shaft body (26).

7. A steel pipe hoisting construction method for a steel pipe pile according to claim 5, characterized by The diameter of the small end of the shaft end structure (27) is adapted to the diameter of the shaft body (26).

8. A steel pipe hoisting construction method for a steel pipe pile according to claim 5, characterized by The shaft end structure (27) is capable of elastic deformation along the axial direction of the shaft (26).

Images