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Underwater piling system and underwater piling method using same

A technology of piling hammer and pile sleeve, which is applied in the direction of sheet pile wall, building, foundation structure engineering, etc. It can solve the problems of hydraulic piling hammer, such as poor impact resistance, deformation resistance and waterproof performance, high use cost and complicated construction, etc., to achieve Ease of transportation, reduce maintenance costs, and reduce power loss

Inactive Publication Date: 2020-08-21
KEEN OFFSHORE ENG CO LTD
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to propose an underwater piling system and an underwater piling method using the system to solve the problem of poor impact resistance, deformation resistance and waterproof performance of hydraulic piling hammers in the prior art when piling underwater. The use of deepwater equipment has caused technical problems such as complex construction and high cost of use

Method used

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  • Underwater piling system and underwater piling method using same
  • Underwater piling system and underwater piling method using same
  • Underwater piling system and underwater piling method using same

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Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0052]It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0053] In addition, if there are descriptions involving "first", "second" and s...

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Abstract

The invention discloses an underwater piling system and an underwater piling method using the same. The underwater piling system comprises a pile hammer main body, a resistance resisting device and anair pumping device, wherein the resistance resisting device is arranged on the pile hammer main body in a sleeving manner; a gap is reserved between the inner wall of the resistance resisting deviceand the outer wall of the pile hammer main body to form a closed cavity; an air inlet is formed in the resistance resisting device; the air inlet is connected with the air pumping device through an air pumping pipeline; a water outlet is further formed in the resistance resisting device; and a one-way valve with an outlet facing the outer side of the resistance resisting device is mounted on the water outlet. According to the underwater piling system, the resistance resisting device is arranged, so that the resistance resisting device can resist water impact, and the pile hammer main body is prevented from deforming to affect the using effect; and the air pumping device can continuously pump air into the cavity to discharge accumulated water entering the cavity, so that the accumulated water in the pile hammer main body is further avoided, a dry and stable working environment can be kept in the pile hammer main body, the maintenance cost is greatly reduced, and the kinetic energy lossof a hammer core is avoided.

Description

technical field [0001] The invention relates to the technical field of pile driving and pile sinking construction, in particular to an underwater piling system and an underwater piling method using the system. Background technique [0002] For construction operations such as marine operations, in order to make the building foundation firm, it is generally necessary to drive the pile legs into the soil. Hydraulic piling hammer is a new type of piling equipment with the characteristics of high efficiency, low noise, low pollution, and resistance to harsh offshore environments. It is mainly used in ports, cross-sea bridges, offshore oil production jacket platforms, deep-water structures, and deep-water oil production. tree and offshore wind power installation and other fields. The working water depth range of the deep water hydraulic piling hammer is 400-2000m. Due to factors such as high water depth pressure, complex seabed topography, harsh environment and large waves, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D7/10
CPCE02D7/10
Inventor 陆军麦志辉吴平平李光远张静波马振军邓达紘陈峰吴韩徐天殷刘会涛
Owner KEEN OFFSHORE ENG CO LTD
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