Diameter-adjustable pile sinking guide cylinder device

The diameter-adjustable sinking guide tube apparatus addresses the challenges of costly and risky diameter adjustments in steel pipe pile construction by enabling precise adjustments without welding, enhancing safety and efficiency.

CN223103642UActive Publication Date: 2025-07-15CHINA THREE GORGES CORP FUJIAN ENERGY INVESTMENT CO LTD +2
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421834715.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-07-15
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The prior art has high cost and long restructuring cycles when adjusting the diameter of the pile guide barrel, and is difficult to make offshore restructuring, high safety risks, and difficult to guarantee welding quality and accuracy.

Method used

By adjusting the upper and lower guide limit units on the working platform, the pin shaft and the adjustment limit hole are used to push the limit plate into the limit slot to fix it, so as to adjust the diameter of the guide cylinder, avoid cutting and welding, and use the working platform to shorten the aerial working time.

Benefits of technology

Improve adjustment accuracy, reduce operation difficulty, shorten construction time, enhance operation safety, and reduce costs and risks.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223103642U_ABST
    Figure CN223103642U_ABST
Patent Text Reader

Abstract

The utility model discloses a pile sinking guide cylinder device with an adjustable diameter. The pile sinking guide cylinder device comprises a guide cylinder main body, a first guide limiting mechanism, a second guide limiting mechanism and working platforms, wherein the first guide limiting mechanism and the second guide limiting mechanism are arranged on the guide cylinder main body; the two guiding and limiting mechanisms are the same in structure and each comprise a plurality of guiding and limiting units arranged in the circumferential direction of the outer wall of the guiding cylinder. The guide limiting unit comprises a first retention plate, a second retention plate, a limiting plate arranged between the two retention plates, and a plurality of adjusting limiting holes which are formed in the limiting plate and are matched with the guide cylinders in different diameters; the two retention plates are respectively provided with retention holes which are consistent with the adjusting limiting holes in size, shape, position and quantity; according to the utility model, the working diameter of the guide cylinder is efficiently adjusted by adjusting the positions of the limiting plates of the upper and lower layers of guide limiting units on the working platform by a worker, and the problems of high cost, long time consumption and high construction risk during the diameter adjustment of the guide cylinder in the prior art can be solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe pile construction, and more specifically, relates to a pile sinking guide cylinder device with adjustable diameter. Background Technique

[0002] With the gradual development of offshore wind power towards the deep and far sea, the group pile jacket foundation has been widely used due to its advantages such as large structural stiffness and high stability. Due to different geology and wind turbine types, the diameters of pipe piles are also different, resulting in different types of guide frames for assisting the sinking of steel pipe piles. In order to adapt to different foundation types, it is necessary to manufacture guide frames for each type of steel pipe pile separately, which greatly increases the project cost. Therefore, how to make the guide frame applicable to the construction of pipe piles with different diameters is crucial for project cost control.

[0003] At present, the conventional methods for adjusting the diameter of the pile sinking guide cylinder of the guide frame are as follows: according to the diameter of the steel pipe pile, pile sinking guide frames suitable for different pile diameters are respectively configured; by replacing the guiding system, the construction of steel pipe piles with different pile diameters is realized; and first, a pile sinking guide frame is manufactured according to a steel pipe pile of one diameter. After the pile sinking of the pipe pile of this diameter is completed, the limiting device of the pile sinking guide frame is reformed according to another diameter of the steel pipe pile.

[0004] The above reforming methods increase the project cost during the construction process, and the reforming period is relatively long. The whole process requires the cooperation of resources such as ship machinery equipment. At the same time, the reforming difficulty is relatively large at sea, the safety risk is high, and the welding quality and accuracy cannot be guaranteed. Summary of the Invention

[0005] Aiming at the above defects or improvement requirements of the prior art, the utility model provides a pile sinking guide cylinder device with adjustable diameter. The working diameter of the guide cylinder is adjusted by the operator on the operation platform by adjusting the upper and lower layers of guiding and limiting units. During the adjustment process, a pin shaft is used to cooperate with adjusting limiting holes of different diameters to push the limiting plate into the limiting groove for connection and fixation; this method has high adjustment accuracy, does not require cutting and welding, reduces the operation difficulty, improves the effective operation time, and is equipped with an operation platform during the process, shortening the high-altitude operation time. The operation process is safe and reliable; it can be applicable to the construction of pipe piles with different diameters.

[0006] In order to achieve the above purpose, the utility model provides a pile sinking guide cylinder device with adjustable diameter, which includes a guide cylinder main body, a first guiding and limiting mechanism and a second guiding and limiting mechanism arranged on the guide cylinder main body for adjusting the working diameter of the guide cylinder main body, and operation platforms respectively arranged at the locations of the first guiding and limiting mechanism and the second guiding and limiting mechanism; wherein,

[0007] The first guiding and limiting mechanism and the second guiding and limiting mechanism have the same structure, and both include: a plurality of guiding and limiting units arranged at equal intervals along the circumference of the guiding cylinder body; each guiding and limiting unit includes a first retaining plate and a second retaining plate, a limiting plate disposed between the two retaining plates, and a number of adjusting and limiting holes disposed on the limiting plate and adapted to guiding cylinder bodies of different diameters;

[0008] The first retaining plate and the second retaining plate are provided with retaining holes that are identical to the adjusting and limiting holes in terms of size, shape, position, and quantity.

[0009] Further, the guiding cylinder body includes a columnar guiding cylinder and a guiding bell mouth disposed at the top of the guiding cylinder;

[0010] The first guiding and limiting mechanism is disposed at the bottom of the guiding cylinder, and the second guiding and limiting mechanism is disposed at the junction of the guiding cylinder and the guiding bell mouth.

[0011] Further, the first retaining plate and the second retaining plate are disposed on the guiding cylinder and are perpendicular to the outer wall of the guiding cylinder.

[0012] Further, the first retaining plate and the second retaining plate are arranged in parallel at intervals to form a limiting groove;

[0013] The limiting plate is disposed in the limiting groove.

[0014] Further, a perforation matching the limiting plate is provided in the area between the first retaining plate and the second retaining plate on the outer wall of the guiding cylinder;

[0015] The limiting plate extends into the guiding cylinder through the perforation.

[0016] Further, a pin shaft sequentially passes through the retaining holes on the first retaining plate at the same position, the adjusting and limiting holes on the limiting plate, and the retaining holes on the second retaining plate to fix the first retaining plate, the limiting plate, and the second retaining plate.

[0017] Further, the operating platform includes a platform perpendicularly connected to the outer surface of the guiding cylinder and a railing perpendicularly connected to the outer periphery of the platform vertically.

[0018] Generally speaking, compared with the prior art, the above technical solution conceived by the present utility model can achieve the following beneficial effects:

[0019] A pile sinking guide cylinder device with adjustable diameter of the utility model adjusts the working diameter of the guide cylinder by an operator adjusting the upper and lower layers of guide limiting units on the operation platform. During the adjustment process, a pin shaft is used to cooperate with adjusting limiting holes of different diameters to push the limiting plate into the limiting groove for connection and fixation; this method has high adjustment accuracy, does not require cutting and welding, reduces the operation difficulty, improves the effective operation time, and is equipped with an operation platform during the process, shortening the high-altitude operation time, and the operation process is safe and reliable; it can solve the problems in the prior art that the construction cost is high and the restructuring period is long when adjusting the diameter of the pile sinking guide frame guide cylinder, the whole process requires the cooperation of resources such as ship machinery equipment, and at the same time, the restructuring difficulty is large at sea, the safety risk is high, and the welding quality and accuracy cannot be guaranteed. Brief Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of a pile sinking guide cylinder device with adjustable diameter according to an embodiment of the utility model;

[0021] Figure 2 It is a schematic structural diagram of pushing the limiting plate of a pile sinking guide cylinder device with adjustable diameter according to an embodiment of the utility model into the limiting groove;

[0022] Figure 3 It is a schematic structural diagram of the limiting plate of a pile sinking guide cylinder device with adjustable diameter according to an embodiment of the utility model;

[0023] Figure 4 It is a schematic structural diagram of the working platform of a pile sinking guide cylinder device with adjustable diameter according to an embodiment of the utility model;

[0024] Figure 5 It is a schematic installation diagram of a pile sinking guide cylinder device with adjustable diameter according to an embodiment of the utility model on a pile sinking guide frame.

[0025] In all the drawings, the same reference numerals represent the same technical features, specifically: 1 - guide cylinder main body, 11 - guide cylinder, 12 - guide bell mouth, 2 - first guide limiting mechanism, 21 - limiting plate, 22 - adjusting limiting hole, 23 - limiting groove, 24 - pin shaft, 3 - second guide limiting mechanism, 4 - operation platform, 31 - platform, 32 - railing, 200 - guide limiting unit, 220 - retaining hole, 5 - pile sinking guide frame. Detailed Embodiment

[0026] In order to make the purpose, technical solutions and advantages of the utility model clearer, the following further details the utility model in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in the various embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, when an element is referred to as "fixed to", "arranged on" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element; the terms "installed", "connected", "connected to", "provided with" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0028] In addition, the terms "first", "second",... are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality" is two or more unless otherwise clearly and specifically defined.

[0029] As Figures 1 - 5 shown, the present utility model provides a pile driving guide cylinder device with adjustable diameter, which is installed on a pile driving guide frame 5 and includes a guide cylinder main body 1, a first guide limiting mechanism 2 and a second guide limiting mechanism 3 provided on the guide cylinder main body 1 for adjusting the working diameter of the guide cylinder main body 1, and a working platform 4 respectively arranged at the locations where the first guide limiting mechanism 2 and the second guide limiting mechanism 3 are located; the first guide limiting mechanism 2 and the second guide limiting mechanism 3 have the same structure and both include: a plurality of guide limiting units 200 arranged at equal intervals along the outer wall of the guide cylinder main body 1; the guide limiting unit 200 includes a first retaining plate and a second retaining plate perpendicular to the outer wall of the guide cylinder main body 1, a limiting plate 21 arranged between the first retaining plate and the second retaining plate, and a number of adjusting limiting holes 22 arranged on the limiting plate 21 and adapted to guide cylinder main bodies 1 with different diameters; the first retaining plate and the second retaining plate are provided with retaining holes 220 having the same size, shape, position and quantity as the adjusting limiting holes 22; the present utility model realizes the efficient adjustment of the working diameter of the guide cylinder by the staff adjusting the position of the limiting plates of the upper and lower layers of guide limiting units 200 on the working platform 4, and can solve the problems of high cost, long time consumption and high construction risk in the prior art when adjusting the diameter of the guide cylinder.

[0030] Furthermore, as Figures 1 - 5As shown in the figure, the guiding cylinder body 1 includes a columnar guiding cylinder 11 and a guiding bell mouth 12 provided at the top of the guiding cylinder 11; the guiding bell mouth 12 is used to assist in aligning the steel pipe pile so that it can pass through the guiding cylinder 11 smoothly; the first guiding and limiting mechanism 2 is provided at the bottom of the guiding cylinder 11, and the second guiding and limiting mechanism 3 is provided at the junction of the guiding cylinder 11 and the guiding bell mouth 12; when the first guiding and limiting mechanism 2 and the second guiding and limiting mechanism 3 are used together, the working diameter of the guiding cylinder body 1 can be adjusted.

[0031] Further, as Figures 1 - 5 shown in the figure, the first retaining plate and the second retaining plate are provided on the guiding cylinder 11 and are perpendicular to the outer wall of the guiding cylinder 11; the first retaining plate and the second retaining plate are arranged in parallel at intervals to form a limiting groove 23; the limiting plate 21 is arranged in the limiting groove 23; a perforation matching the limiting plate 21 is provided in the area between the first retaining plate and the second retaining plate on the outer wall of the guiding cylinder 11; the limiting plate 21 can extend into the guiding cylinder 11 through the perforation; insert the limiting plate 21 into the guiding cylinder 11 through the perforation, and sequentially pass the pin shaft 24 through the retaining holes 220 on any first retaining plate at the same position, the adjusting and limiting holes 22 on the limiting plate 21, and the retaining holes 220 on the second retaining plate for fixation; when it is necessary to adjust the limiting diameter of the guiding cylinder, pull out the pin shaft 24, move all the limiting plates 21 synchronously closer to or farther away from the central axis of the guiding cylinder 11, and insert and fix other retaining holes and adjusting and limiting holes at the same position, then the adjustment of the working diameter of the guiding cylinder 11 can be realized; specifically, in a specific embodiment of the present invention, as Figure 3 shown in the figure, the first adjusting and limiting holes 201, the second adjusting and limiting holes 202, and the third adjusting and limiting holes 203 are symmetrically arranged on both the upper and lower sides of the limiting plate 21 along its transverse central axis; when it is necessary to adjust the limiting diameter of the guiding cylinder 11, select the adjusting and limiting holes at symmetrical positions according to actual needs and insert the pin shaft for fixation.

[0032] Further, as Figures 1 - 5 shown in the figure, the operation platform 4 is divided into upper and lower layers and is arranged at the position where the guiding and limiting mechanism is located, and includes a platform 41 vertically connected to the outer surface of the guiding cylinder 1 and a railing 42 vertically connected to the outer periphery of the platform 41 in the vertical direction, which is used for the operators to adjust the limiting plates 21 on the first guiding and limiting mechanism 2 and the second guiding and limiting mechanism 3.

[0033] A pile sinking guiding cylinder device with adjustable diameter provided by the utility model comprises a guiding bell mouth 12 arranged at the top of the guiding cylinder 11, and a plurality of guiding and limiting units are uniformly arranged at intervals on the outer periphery of the bottom of the guiding cylinder 11 and on the outer periphery of the joint of the guiding cylinder 11 and the guiding bell mouth 12 respectively; the guiding and limiting unit comprises a first retaining plate and a second retaining plate which are vertically arranged on the outer wall of the guiding cylinder 11, a limiting plate 21 arranged between the first retaining plate and the second retaining plate, and a plurality of adjusting and limiting holes 22 arranged on the limiting plate 21 for adjusting the diameter of the guiding cylinder; retaining holes 220 which are the same in size, shape, position and number as the adjusting and limiting holes 22 are arranged on the first retaining plate and the second retaining plate; a through hole matching with the limiting plate 21 is arranged in the area between the first retaining plate and the second retaining plate on the outer wall of the guiding cylinder 1; the limiting plate 21 is inserted into the guiding cylinder 1 through the through hole, and a pin shaft 24 is sequentially inserted through the retaining hole 220 on the first retaining plate at the same position, the adjusting and limiting hole 22 on the limiting plate 21, and the retaining hole 220 on the second retaining plate for fixing; when the limiting diameter of the guiding cylinder needs to be adjusted, the pin shaft 24 is pulled out, all the limiting plates 21 are synchronously moved closer to or away from the central axis of the guiding cylinder 1, and other retaining holes and adjusting and limiting holes at the same position are replaced and inserted for fixing, so as to realize the adjustment of the working diameter of the guiding cylinder 11; the utility model adjusts the working diameter of the guiding cylinder by the operator adjusting the upper and lower layers of guiding and limiting units on the operation platform. During the adjustment process, the pin shaft is used to cooperate with the adjusting and limiting holes with different diameters to push the limiting plate into the limiting groove for connection and fixing; this method has high adjustment precision, does not need cutting and welding, reduces the operation difficulty, improves the effective operation time, and is equipped with an operation platform during the process, shortens the high-altitude operation time, and the operation process is safe and reliable; it can solve the problems in the prior art that when adjusting the diameter of the pile sinking guiding frame guiding cylinder, the construction cost is high, the reforming period is long, the whole process requires the cooperation of resources such as ship machinery equipment, at the same time, the reforming difficulty is large at sea, the safety risk is high, and the welding quality and precision cannot be guaranteed.

[0034] Those skilled in the art can easily understand that the above description is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A pile sinking guide cylinder device with adjustable diameter, characterized in that: It includes a guiding cylinder body (1), a first guiding and limiting mechanism (2) and a second guiding and limiting mechanism (3) provided on the guiding cylinder body (1) for adjusting the working diameter of the guiding cylinder body (1), and a working platform (4) respectively provided at the locations where the first guiding and limiting mechanism (2) and the second guiding and limiting mechanism (3) are located; wherein, The first guiding and limiting mechanism (2) and the second guiding and limiting mechanism (3) have the same structure, and both include: a plurality of guiding and limiting units (200) arranged at equal intervals along the circumferential direction of the guiding cylinder body (1); the guiding and limiting unit (200) includes a first retaining plate and a second retaining plate, a limiting plate (21) provided between the two retaining plates, and a number of adjusting and limiting holes (22) provided on the limiting plate (21) and adapted to guiding cylinder bodies (1) of different diameters; The first retaining plate and the second retaining plate are provided with retaining holes (220) that are the same in size, shape, position and number as the adjusting and limiting holes (22).

2. The pile sinking guide cylinder device with adjustable diameter according to claim 1, characterized in that: The guiding cylinder body (1) includes a columnar guiding cylinder (11) and a guiding bell mouth (12) provided at the top of the guiding cylinder (11); The first guiding and limiting mechanism (2) is provided at the bottom of the guiding cylinder (11), and the second guiding and limiting mechanism (3) is provided at the junction of the guiding cylinder (11) and the guiding bell mouth (12).

3. The pile sinking guiding cylinder device with adjustable diameter according to claim 2, wherein: The first retaining plate and the second retaining plate are provided on the guiding cylinder (11) and are perpendicular to the outer wall of the guiding cylinder (11).

4. A pile sinking guide cylinder device with adjustable diameter according to claim 3, characterized in that: The first retaining plate and the second retaining plate are arranged in parallel at intervals to form a limiting groove (23); The limiting plate (21) is provided in the limiting groove (23).

5. A pile sinking guide cylinder device with adjustable diameter according to any one of claims 1-4, characterized in that: A perforation matching the limiting plate (21) is provided in the area between the first retaining plate and the second retaining plate on the outer wall of the guiding cylinder (11); The limiting plate (21) extends into the guiding cylinder (11) through the perforation.

6. A pile sinking guide cylinder device with adjustable diameter according to any one of claims 1-4, characterized in that: A pin shaft (24) sequentially passes through the retaining holes (220) on the first retaining plate at the same position, the adjusting and limiting holes (22) on the limiting plate (21), and the retaining holes (220) on the second retaining plate to fix the first retaining plate, the limiting plate (21), and the second retaining plate.

7. A pile sinking guide cylinder device with adjustable diameter according to any one of claims 1-4, characterized in that: The working platform (4) includes a platform (41) vertically connected to the outer surface of the guiding cylinder (11) and a railing (42) vertically connected to the outer periphery of the platform (41) in the vertical direction.