Offshore wind power project pile feeder with adjustable knocking area

By introducing electric push rods and moving rings into the pile feeder of offshore wind power engineering, the knocking area can be adjusted, which solves the problems of pile driving accuracy and inefficiency caused by the fixed knocking area in the prior art, and improves the pile driving accuracy and efficiency.

CN222362482UActive Publication Date: 2025-01-17BAOSHENG YOFC MARINE ENG CO LTD
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Patent Information

Application Number
CN202420425443.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-06
Publication Date
2025-01-17
Estimated Expiration
2034-03-06

AI Technical Summary

Technical Problem

The existing offshore wind power project pile transmitter has a fixed hitting area and cannot adapt to pile driving hammers of different volumes, resulting in low pile driving accuracy and efficiency, especially in the underwater pile driving process.

Method used

A pile feeder with adjustable knock area including pile tubes, electric push rods, moving rings and auxiliary components is designed. Through the cooperation of electric push rods and pistons, the moving block can slide on the tap surface to adjust the hitting surface. Area to suit different volumes of pile hammers.

Benefits of technology

It realizes flexible adjustment of the knock area, avoids the phenomenon of pile hammer knocking, improves the accuracy and efficiency of pile driving, and is suitable for steel pipe piles of different diameters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an offshore wind power project pile feeder with an adjustable knocking area, which relates to the technical field of offshore wind power construction, and adopts the technical scheme that the offshore wind power project pile feeder comprises a pile pipe, a circular ring is fixedly welded outside the top end of the pile pipe, and a plurality of circumferentially and uniformly distributed grooves are formed in the circular ring; the pile tip is fixedly welded at the bottom end of the pile pipe; the air purifier has the advantages that the electric push rods work to enable the moving ring to move upwards, so that the push rods and the second piston move upwards, then air in the second box body can enter the first box body under the action of the first pipeline, and the air in the second box body can enter the second box body under the action of the second pipeline. According to the piling hammer, the first pushing piston and the moving rod can be further moved, so that the moving block can be moved, the area of the knocking surface can be enlarged, the phenomenon of mismatching cannot occur when the size of the piling hammer is large, the phenomenon that the piling hammer deflects in a knocking mode can be avoided, and the piling efficiency can be guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of offshore wind power construction, in particular to an offshore wind power engineering pile driver with adjustable striking area. Background Art

[0002] The foundation of offshore wind power conductor frame is made of steel pipe piles inserted into the mud as the bearing unit. The conductor frame is connected to the steel pipe piles two to three meters above the mud surface and reinforced with concrete. When the water depth is deep, the steel pipe piles need to be driven into the bottom of the water, which involves an underwater piling process of tens of meters deep. If a pile hammer is used to directly drive the steel pipe piles into the bottom of the water, not only is the piling accuracy difficult to control, but the pile hammer cannot withstand a long period of underwater piling, so a pile driver is needed;

[0003] When the pile driver is in use, the bottom end of the pile driver needs to be inserted into the steel pipe pile, and then the pile driver is struck with a pile hammer, so that the steel pipe pile can be driven into the mud. However, when the existing pile driver is in use, it is found that the area of ​​the striking surface is fixed and cannot be adjusted. Thus, when the pile hammer is large in size, it will not match the pile driver, and it is easy to strike the pile in an offset manner, and the efficiency of pile driving will be reduced. Therefore, it is necessary to improve it.

[0004] Therefore, it is necessary to invent an offshore wind power engineering pile driver with adjustable striking area. Summary of the invention

[0005] To this end, the utility model provides an offshore wind power engineering pile driver with adjustable striking area to solve the problems in the background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: an offshore wind power engineering pile driver with adjustable striking area, comprising:

[0007] A pile pipe, wherein a circular ring is fixedly welded on the top of the pile pipe, and a plurality of grooves evenly distributed in a circumferential shape are opened inside the circular ring;

[0008] The pile tip is fixed and welded to the bottom end of the pile pipe;

[0009] There are four electric push rods, which are evenly distributed in a circle, and are all fixedly connected to the inner wall of the pile pipe;

[0010] A moving ring, which is fixedly connected to the top ends of the four electric push rods and fits against the inner wall of the pile pipe;

[0011] The auxiliary components are arranged in plurality and the plurality of the auxiliary components are evenly distributed in a circumferential shape, and the plurality of the auxiliary components are respectively installed on the pile pipe, the circular ring and the movable ring;

[0012] The auxiliary component includes a moving block, which is embedded in the groove, a cavity one is opened inside the moving block, a box one is provided inside the cavity one, the box one is fixedly embedded in the pile pipe, a piston one is provided inside the box one, one side of the piston is fixedly connected to a moving rod, one end of the moving rod passes through one side of the box one and is fixedly connected to one side of the cavity one, a box two is provided at the bottom of the box one, the box two is fixedly connected to the inner wall of the pile pipe, a pipe one is fixedly connected between the box two and the box one, a piston two is provided inside the box two, the bottom of the piston two is fixedly connected to a push rod, and the bottom end of the push rod passes through the bottom of the box two and is fixedly connected to the top of the moving ring.

[0013] Preferably, two positioning grooves are provided inside the moving block, the two positioning grooves are respectively located at the front and rear sides of the cavity, positioning rods are slidably embedded inside the two positioning grooves, and one end of the two positioning rods is fixedly connected to one side of the groove.

[0014] Preferably, the moving block is slidably connected to the groove, the box body 1 is slidably connected to the cavity 1, and the front and rear sides of the box body 1 are not in contact with the cavity 1.

[0015] Preferably, the piston 1 is slidably connected to the box body 1, and the moving rod is slidably connected to the box body 1.

[0016] Preferably, the second piston is slidably connected to the second box body, and the push rod is slidably connected to the second box body.

[0017] Preferably, two ventilation holes 1 are provided on one side of the box body 1, and two ventilation holes 2 are provided on the bottom of the box body 2.

[0018] Preferably, the movable ring is slidably connected to the pile pipe.

[0019] Preferably, both sides of the pile pipe are fixedly connected with lifting ears 1.

[0020] Preferably, the inner walls on both sides of the pile tip are fixedly connected with two lifting ears.

[0021] The beneficial effects of the utility model are:

[0022] The utility model can make the movable ring move upward through the operation of the electric push rod, so that the push rod and the piston 2 move upward, and then the air in the box body 2 can enter the box body 1 under the action of the pipeline 1, so that the piston 1 and the movable rod can be moved, so that the movable block can be moved, so that the area of ​​the striking surface can be enlarged, so that when the volume of the pile hammer is large, there will be no incompatibility phenomenon, the phenomenon of the pile hammer knocking off-center can be avoided, and the efficiency of piling can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0024] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0025] Figure 1 The overall structural diagram provided by the utility model;

[0026] Figure 2 A front cross-sectional view provided for the utility model;

[0027] Figure 3 The utility model provides Figure 2 A in the enlarged view;

[0028] Figure 4 The utility model provides Figure 2 The enlarged view of point B in the figure;

[0029] Figure 5 The utility model provides Figure 2 The enlarged view of point C in the figure;

[0030] Figure 6 A schematic diagram of the enlarged striking surface provided by the utility model;

[0031] Figure 7 The utility model provides Figure 6 The enlarged view of point D in the figure;

[0032] In the figure: 1 pile pipe, 2 circular ring, 3 pile tip, 4 electric push rod, 5 moving ring, 6 moving block, 7 box body 1, 8 piston 1, 9 moving rod, 10 box body 2, 11 pipeline 1, 12 piston 2, 13 push rod, 14 positioning rod, 15 ventilation hole 1, 16 ventilation hole 2, 17 lifting ear 1, 18 lifting ear 2. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0034] See attached Figure 1 -Attached Figure 7 The utility model provides an offshore wind power engineering pile driver with adjustable striking area, comprising:

[0035] A pile pipe 1, a circular ring 2 is fixedly welded on the top of the pile pipe 1, and a plurality of grooves evenly distributed in a circumferential shape are opened inside the circular ring 2;

[0036] A pile tip 3, which is fixedly welded to the bottom end of the pile pipe 1;

[0037] There are four electric push rods 134, which are evenly distributed in a circle, and are fixedly connected to the inner wall of the pile pipe 1;

[0038] The movable ring 5 is fixedly connected to the top of the four electric push rods 134 and fits with the inner wall of the pile pipe 1;

[0039] Auxiliary components are provided in plurality and the plurality of auxiliary components are evenly distributed in a circumferential shape, and the plurality of auxiliary components are respectively installed on the pile pipe 1, the circular ring 2 and the movable ring 5;

[0040] The auxiliary component includes a moving block 6, which is embedded in the groove. A cavity 1 is provided inside the moving block 6. A box 7 is provided inside the cavity 1. The box 7 is fixedly embedded inside the pile pipe 1. A piston 8 is provided inside the box 7. A moving rod 9 is fixedly connected to one side of the piston 8. One end of the moving rod 9 passes through one side of the box 7 and is fixedly connected to one side of the cavity 1. A box 2 10 is provided at the bottom of the box 7. The box 2 10 is fixedly connected to the inner wall of the pile pipe 1. A pipe 11 is fixedly connected between the box 2 10 and the box 7. A piston 2 12 is provided inside the box 2 10. A push rod 13 is fixedly connected to the bottom of the piston 2 12. The bottom end of the push rod 13 passes through the bottom of the box 2 10 and is fixedly connected to the top of the moving ring 5.

[0041] In this embodiment, the electric push rod 134 can move the moving ring 5 upward, so that the push rod 13 and the piston 12 can move upward, and then the air in the box 10 can enter the box 1 7 under the action of the pipe 11, so that the piston 1 8 and the moving rod 9 can be moved, so that the moving block 6 can be moved, so that the area of ​​the knocking surface can be enlarged;

[0042] Among them, in order to achieve the purpose of stable movement of the moving block 6, the present device adopts the following technical solutions: two positioning grooves are provided inside the moving block 6, the two positioning grooves are respectively located at the front and rear sides of the cavity one, positioning rods 14 are slidably embedded inside the two positioning grooves, one end of the two positioning rods 14 is fixedly connected to one side of the groove, the moving block 6 is slidably connected to the groove, the box body 7 is slidably connected to the cavity one, the front and rear sides of the box body 7 are not in contact with the cavity one, the piston 8 is slidably connected to the box body 7, the moving rod 9 is slidably connected to the box body 7, the piston 2 12 is slidably connected to the box body 2 10, the push rod 13 is slidably connected to the box body 2 10, and the positioning rod 14 can make the moving block 6 move stably;

[0043] In order to achieve the purpose of air circulation, the device adopts the following technical solution: two ventilation holes 15 are set on one side of the box 1 7, and two ventilation holes 16 are set on the bottom of the box 2 10. The ventilation holes 15 and the ventilation holes 16 can ensure that the box 1 7 and the box 2 10 are circulated with the outside air;

[0044] Among them, in order to achieve the purpose of lifting, the device is implemented by the following technical scheme: the movable ring 5 is slidably connected to the pile pipe 1, both sides of the pile pipe 1 are fixedly connected with a lifting ear 17, and the inner walls on both sides of the pile tip 3 are fixedly connected with a lifting ear 2 18, and the lifting ear 17 and the lifting ear 2 18 can lift the device.

[0045] The use process of the utility model is as follows: when using the utility model, the steel pipe pile is inserted into the bottom of the water to contact the soil, and then the steel wire rope is tied to the two lifting ears 17 and the two lifting ears 18, and then the device is lifted by using the existing lifting equipment and the pile tip 3 is inserted into the steel pipe pile, and then the pile hammer can be used to continuously hit the ring 2 and the plurality of moving blocks 6, so that the steel pipe pile can be inserted into the soil, thereby realizing the pile delivery;

[0046] When the soil is hard and a larger pile hammer is needed, the four electric push rods 134 are controlled to work, so that the moving ring 5 can be moved upward, so that the multiple push rods 13 and the piston 2 12 can be moved upward, and then under the action of the multiple pipes 11, the air in the multiple boxes 2 10 can enter the multiple boxes 1 7, so that the multiple pistons 1 8 and the moving rods 9 can be pushed to move outward, thereby pushing the multiple moving blocks 6 to move outward, so that the area of ​​the striking surface can be enlarged, so that when the pile hammer is larger in size, there will be no mismatching phenomenon, and the pile hammer can be prevented from knocking off, thereby ensuring the efficiency of piling;

[0047] It is worth noting that the diameter of the pile tip 3 increases from bottom to top, so that it can be applied to steel pipe piles with different diameters during piling, and has a wide range of applications.

[0048] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the above technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. An offshore wind power engineering pile driver with adjustable striking area, characterized in that: include: A pile pipe (1), wherein a circular ring (2) is fixedly welded to the outside of the top end of the pile pipe (1), and a plurality of grooves evenly distributed in a circumferential shape are formed inside the circular ring (2); A pile tip (3) is fixedly welded to the bottom end of the pile pipe (1); The electric push rods (13) (4) are arranged in four numbers and the four electric push rods (13) (4) are evenly distributed in a circular shape, and the four electric push rods (13) (4) are all fixedly connected to the inner wall of the pile pipe (1); A moving ring (5) is fixedly connected to the top ends of the four electric push rods (13) (4) and is in contact with the inner wall of the pile pipe (1); Auxiliary components are provided in plurality and the plurality of auxiliary components are evenly distributed in a circumferential shape, and the plurality of auxiliary components are respectively installed on the pile pipe (1), the circular ring (2) and the movable ring (5); The auxiliary component comprises a moving block (6), the moving block (6) being embedded in the groove, a cavity (1) being provided inside the moving block (6), a box (7) being provided inside the cavity (1), the box (7) being fixedly embedded inside the pile pipe (1), a piston (8) being provided inside the box (7), one side of the piston (8) being fixedly connected to a moving rod (9), one end of the moving rod (9) passing through one side of the box (7) and being fixedly connected to one side of the cavity (1), a box (10) being provided at the bottom of the box (7), the box (10) being fixedly connected to the inner wall of the pile pipe (1), a pipe (11) being fixedly connected between the box (10) and the box (7), a piston (12) being provided inside the box (10), the bottom of the piston (12) being fixedly connected to a push rod (13), the bottom end of the push rod (13) passing through the bottom of the box (10) and being fixedly connected to the top of the moving ring (5).

2. The offshore wind power engineering pile driver with adjustable striking area according to claim 1, characterized in that: Two positioning grooves are provided inside the moving block (6), and the two positioning grooves are respectively located at the front and rear sides of the cavity. Positioning rods (14) are slidably embedded inside the two positioning grooves, and one end of the two positioning rods (14) is fixedly connected to one side of the groove.

3. The offshore wind power engineering pile driver with adjustable striking area according to claim 1, characterized in that: The moving block (6) is slidably connected to the groove, the box body (7) is slidably connected to the cavity (1), and the front and rear sides of the box body (7) are not in contact with the cavity (1).

4. The offshore wind power engineering pile driver with adjustable striking area according to claim 1, characterized in that: The piston one (8) is slidably connected to the box one (7), and the moving rod (9) is slidably connected to the box one (7).

5. The offshore wind power engineering pile driver with adjustable striking area according to claim 1, characterized in that: The second piston (12) is slidably connected to the second box body (10), and the push rod (13) is slidably connected to the second box body (10).

6. The offshore wind power engineering pile driver with adjustable striking area according to claim 1, characterized in that: Two ventilation holes (15) are provided on one side of the box body (7), and two ventilation holes (16) are provided on the bottom of the box body (10).

7. The offshore wind power engineering pile driver with adjustable striking area according to claim 1, characterized in that: The movable ring (5) is slidably connected to the pile pipe (1).

8. The offshore wind power engineering pile driver with adjustable striking area according to claim 1, characterized in that: Both sides of the pile pipe (1) are fixedly connected with lifting ears (17).

9. The offshore wind power engineering pile driver with adjustable striking area according to claim 1, characterized in that: The inner walls on both sides of the pile tip (3) are fixedly connected with two lifting ears (18).