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Sleeve type underwater pile-sinking positioning frame device with auxiliary pile and construction method

A technology of auxiliary pile and positioning frame, applied in sheet pile wall, foundation structure engineering, construction and other directions, can solve the problems of self-heavy, poor leveling system stability and high construction difficulty

Pending Publication Date: 2020-10-20
HUADIAN HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defects of high construction difficulty, poor stability of the leveling system, high self-weight, and high requirements for ship and machine settings in the underwater pile positioning frame in the prior art, so as to provide a Sleeve type underwater pile positioning frame device and construction method for auxiliary pile

Method used

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  • Sleeve type underwater pile-sinking positioning frame device with auxiliary pile and construction method
  • Sleeve type underwater pile-sinking positioning frame device with auxiliary pile and construction method

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Embodiment 1

[0043] Such as figure 1 and figure 2 Shown is a sleeve-type underwater pile positioning frame device with auxiliary piles, including an intermediate casing 1, a positioning frame 3, an engineering pile casing 4 and a leveling device. Wherein, the intermediate casing 1 is an upright hollow cylindrical structure, which is used for socketing with the auxiliary pile 2 . The positioning frame 3 is square and is welded on the outer periphery of the bottom end of the intermediate casing 1 , and the center of gravity of the positioning frame 3 is located on the axis of the intermediate casing 1 . There are four engineering pile sleeves 4 and they are located on the four corners of the positioning frame 3 respectively. The geometric centers of the four engineering pile sleeves 4 are located on the axis of the middle sleeve 1; Inserted cylindrical space. There are four sets of leveling devices arranged axially along the intermediate casing 1, and each set of leveling devices include...

Embodiment 2

[0051] The embodiment of the present invention also provides a construction method of a sleeve-type underwater pile-sinking positioning frame device with auxiliary piles, which is used to drive the above-mentioned sleeve-type underwater pile-sinking positioning frame device with auxiliary piles into the bottom of the water, Specifically include the following steps:

[0052] Step S10, auxiliary pile sinking operation: using a vibratory hammer to drive the auxiliary pile at a predetermined position on the bottom of the water, and using the vibratory hammer to adjust the verticality of the auxiliary pile during the piling process;

[0053] Step S20, inserting the pile sinking positioning frame: inserting the pile sinking positioning frame into the auxiliary pile from the middle sleeve, so that the pile sinking positioning frame enters the bottom of the water along the guide of the auxiliary pile, and makes the anti-sinking position at the bottom of the pile sinking positioning fra...

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Abstract

The invention discloses a sleeve type underwater pile-sinking positioning frame device with auxiliary pile and construction method. The pile-sinking positioning frame comprises a middle sleeve, a positioning frame, at least three engineering pile sleeves and a plurality of groups of leveling devices which are axially arranged along the middle sleeve, wherein the middle sleeve is of an erected hollow barrel body structure, and is in sleeve connection to the auxiliary pile; the positioning frame is connected to the periphery of the bottom end of the middle sleeve; the engineering pile sleeves are connected onto the positioning frame, cylindrical spaces for inserting the engineering piles are arranged in the engineering pile sleeves, and geometric centers of at least three engineering pile sleeves are positioned on the axis of the middle sleeve; each group of leveling devices comprise a plurality of leveling oil cylinders which are uniformly arranged on the peripheral wall of the middle sleeve in the peripheral direction of the auxiliary pile; and the fixed ends of the leveling oil cylinders are fixed to the middle sleeve, and the telescopic ends of the leveling oil cylinders act on the auxiliary sleeve in the middle sleeve. The sleeve type underwater pile-sinking positioning frame device disclosed by the invention is small in structural weight, is low on requirements on ship machine equipment, is low in construction difficulty, is high in leveling precision, and can be used for pile-sinking construction of a deeper sea area positioning frame base.

Description

technical field [0001] The invention relates to the technical field of offshore wind power jacket foundation construction, in particular to a sleeve-type underwater pile sinking positioning frame device with auxiliary piles and a construction method. Background technique [0002] With the development of offshore wind power to the deep sea, the form of wind turbine foundation selection also changes accordingly. At present, most of the offshore wind power projects under construction in China are in shallow water (10-35m). Most of the pile sinking positioning frames are bottom-seat structure. With the development of offshore wind power to the deep sea, the bottom-seat positioning frame above water is heavy and has high requirements on marine equipment, so it will no longer be applicable. Therefore, it is necessary to design an underwater pile sinking positioning frame device suitable for deep-sea wind turbine foundation construction with high structural strength, high stabilit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D13/04
CPCE02D13/04E02D2250/0061
Inventor 张清涛刘玉飞胡春雁逯鹏茹洋洋鲁成林赵辉贺广零郭小亮
Owner HUADIAN HEAVY IND CO LTD
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