CN212452554U - Cement cleaning device in broken pick type ocean platform steel pile - Google Patents

Cement cleaning device in broken pick type ocean platform steel pile Download PDF

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Publication number
CN212452554U
CN212452554U CN202020674455.2U CN202020674455U CN212452554U CN 212452554 U CN212452554 U CN 212452554U CN 202020674455 U CN202020674455 U CN 202020674455U CN 212452554 U CN212452554 U CN 212452554U
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China
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hydraulic
drill rod
steel pile
cement
tensioning
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CN202020674455.2U
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薄昭
戴国华
郝铭
金秋
高国强
李翔云
孔冰
赵铭文
程霖
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China National Offshore Oil Corp CNOOC
CNOOC China Ltd Tianjin Branch
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China National Offshore Oil Corp CNOOC
CNOOC China Ltd Tianjin Branch
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Abstract

The utility model provides a broken pick type ocean platform steel pile internal cement cleaning device, which consists of a hydraulic power unit, a hydraulic control pipeline, an executing mechanism, a holding mechanism and a pick drill rod; the hydraulic power unit is connected with and controls the actuating mechanism through a hydraulic control pipeline; the actuating mechanism is connected with the clasping mechanism and the pickaxe drill rod; the device is fixed above the steel pile during offshore construction, and the pick drill rod is controlled by a hydraulic pump placed on a ship to crush cement in the steel pile, so that the cleaning of the cement in the steel pile of the offshore oil platform is completed.

Description

Cement cleaning device in broken pick type ocean platform steel pile
Technical Field
The utility model relates to a cement cleaning device in broken pick formula platform piling bar.
Background
With the continuous development of the offshore oil industry, more and more offshore oil platforms are built to be close to or exceed the service life, and waste dismantling is needed. The abandonment of offshore oil platforms has become the focus of the industry due to the problems of environmental protection, sea utilization and the like. According to the requirements, the steel piles are required to be cut to the position 4 meters below the mud surface when the jacket platform is abandoned. Usually the jacket platform steel pile is designed to be grouted, so that internal cutting equipment can be lowered from the pile barrel to a position 4 meters below the mud surface through the steel pile to cut. The method can directly complete the cutting and then the integral hoisting and dismounting of the lower structure of the platform. But cement is poured into part of the platform steel piles. The filling of cement directly results in that the internal cutting equipment can not be used, and to cut 4 meters below the mud surface, the external cutting is needed to be carried out after the operations such as mud discharging and the like are carried out at the pile legs, so that a large workload is generated. Therefore, the cement pouring directly causes the construction difficulty of platform abandoning to be increased, and the engineering investment is greatly improved. Therefore, the research on the device capable of cleaning the cement in the steel pile is significant.
Through investigation, a crushing pick is commonly used in land building engineering to crush and chisel firm buildings, concrete and the like. If the technology can be applied to the field of ocean engineering abandonment, the cement poured into the steel pile can be crushed at a high speed, so that the internal cutting equipment can be used, and the aim of efficiently abandoning the lower structure of the ocean platform is finally fulfilled.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at overcomes the above-mentioned shortcoming that current product exists, and provides a cement cleaning device in broken pick formula platform piling bar, and structural design is reasonable, will hold the structure tightly and be fixed in piling bar upper portion, vibrates and realizes the broken handle to cement in the piling bar through hydraulic control pick borer.
The purpose of the utility model is realized by the following technical scheme.
The utility model discloses a cement cleaning device in a broken pick type ocean platform steel pile, which mainly comprises a hydraulic power unit, a hydraulic control pipeline, an actuating mechanism, a holding mechanism and a pick drill rod; the hydraulic power unit is connected with and controls the actuating mechanism through a hydraulic control pipeline; the actuating mechanism is connected with the clasping mechanism and the pickaxe drill rod.
In the device for cleaning cement in the broken pick type ocean platform steel pile, the hydraulic power unit is a hydraulic pump which is currently placed on an auxiliary ship; the actuating mechanism is an existing hydraulic actuating mechanism, and a hydraulic loop is communicated with the holding mechanism and the pickaxe drill rod respectively; the holding mechanism consists of a tension wedge block and a tension oil cylinder; when the holding mechanism is placed at a position where the pickaxe drill rod contacts cement in the steel pile, hydraulic oil is controlled by the hydraulic control system to flow into the tensioning oil cylinder, so that the tensioning wedge block moves inwards to hold the outer side of the steel pile tightly; the execution mechanism is a hydraulic system, a tensioning oil cylinder of the clasping mechanism is directly connected with a hydraulic pipeline of the hydraulic system to enable the execution mechanism and the clasping mechanism to be integrated, a tensioning wedge block is fixed on the outer side of the tensioning oil cylinder, and after hydraulic oil of the hydraulic system is filled into the tensioning oil cylinder through the hydraulic pipeline, the tensioning wedge block fixed on the outer side of the oil cylinder generates displacement, so that the clasping mechanism clasps the steel pile; when the device works, the cement cleaning device in the steel pile of the crushing pick type ocean platform is in place by using a hoisting mode, and the position after the pick drill rod is contacted with the cement in the steel pile is the preset working position; the pickaxe drill rod is a commercially available crushing pickaxe drill rod, the upper part of the pickaxe drill rod is clamped and fixed with a tightening wedge arranged on the inner side of the executing mechanism, and the other end of the pickaxe drill rod is an operation end.
The utility model discloses cement cleaning device's beneficial effect in broken pick formula ocean platform piling bar, the device have effectively solved the clearance problem of cement in the ocean oil platform piling bar, and it is equipped for the ocean engineering that can be used to marine construction with the broken pick design of device hydraulic pressure of land clearance cement. The method comprises the steps of placing a power part of a cement cleaning device in a breaking pick type ocean platform steel pile on a ship, connecting the power part with a control execution mechanism through a hydraulic pipeline, and connecting a breaking pick drill rod below the control execution mechanism. The device is fixed above the steel pile during offshore construction, control is achieved through operation on a ship, and cement in the steel pile is broken through pick drill rods, so that the cleaning effect is achieved. Finally, the cement in the steel pile of the offshore oil platform is cleaned, and the problem of cleaning the cement in the steel pile in the abandoning process of the offshore oil platform is solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The main reference numbers in the figures illustrate: the hydraulic power plant comprises a hydraulic power unit (hydraulic power station), a hydraulic control pipeline (the hydraulic control pipeline transmits hydraulic power to an actuating mechanism), a 3 actuating mechanism (converts hydraulic energy into mechanical energy and executes actions), a 4 holding mechanism (fixes the device on the upper part of a steel pile to realize connection), a 5 pick drill rod (through vibration of the 5 pick drill rod to realize crushing and cleaning of cement), a 6 ship (used for supporting during offshore operation), 7 cement (cleaned substances), and 8 steel piles (fixed holding device with cement inside).
Detailed Description
As shown in fig. 1, the broken pick type device for cleaning cement in an ocean platform steel pile of the utility model mainly comprises a hydraulic power unit 1, a hydraulic control pipeline 2, an actuating mechanism 3, a holding mechanism 4 and a pick drill rod 5; the hydraulic power unit 1 is connected with and controls an actuating mechanism 3 through a hydraulic control pipeline 2; the actuating mechanism 3 is connected with a holding mechanism 4 and a pickaxe drill rod 5. Wherein the hydraulic power unit 1 is an existing hydraulic pump placed on an auxiliary vessel; the actuating mechanism 3 is an existing hydraulic actuating mechanism, and a hydraulic loop is connected with a holding mechanism 4 and a pickaxe drill rod 5 respectively; the holding mechanism 4 consists of a tension wedge block and a tension oil cylinder; when the holding mechanism 4 is lowered to the position where the pickaxe drill rod contacts the cement in the steel pile, hydraulic oil is controlled by the hydraulic control system to flow into the tensioning oil cylinder, so that the tensioning wedge block moves inwards to hold the outer side of the steel pile tightly; the actuating mechanism 3 is a hydraulic system, a tensioning cylinder of the clasping mechanism 4 is directly connected with a hydraulic pipeline of the hydraulic system, so that the actuating mechanism 3 and the clasping mechanism 4 are integrated, a tensioning wedge block is fixed on the outer side of the tensioning cylinder, and when hydraulic oil of the hydraulic system is filled into the tensioning cylinder through the hydraulic pipeline, the tensioning wedge block fixed on the outer side of the cylinder generates displacement, so that the clasping mechanism clasps the steel pile; when the device works, the cement cleaning device in the steel pile of the crushing pick type ocean platform is in place by using a hoisting mode, and the position of the pick drill 5 after contacting the cement in the steel pile is the preset working position; the pick drill rod 5 is a commercially available crushing pick drill rod, the upper part of the pick drill rod 5 is fixedly clamped with a tightening wedge arranged on the inner side of the actuating mechanism 3, and the other end of the pick drill rod is an operation end.
As shown in fig. 1, when the device for cleaning cement in a breaking pick type ocean platform steel pile is used for offshore construction, a hydraulic power unit 1 is placed on a ship 6, and power and control signals are transmitted to an actuating mechanism 3 through a hydraulic control pipeline 2; the actuating mechanism 3 is connected with the pickaxe drill rod 5 and the holding mechanism, the holding mechanism is fixed on the upper portion of a steel pile 8 during construction, then the pickaxe drill rod 5 is controlled to vibrate through the hydraulic power unit 1, the cement in the steel pile is crushed, and the purpose of cleaning the cement 7 is achieved.
The content that is not described in this embodiment is the prior art, and therefore, is not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (2)

1. A cement cleaning device in a broken pick type ocean platform steel pile is characterized by mainly comprising a hydraulic power unit (1), a hydraulic control pipeline (2), an executing mechanism (3), a holding mechanism (4) and a pick drill rod (5);
the hydraulic power unit (1) is connected with and controls the actuating mechanism (3) through a hydraulic control pipeline (2); the actuating mechanism (3) is connected with the clasping mechanism (4) and the pickaxe drill rod (5).
2. The crushing pick type ocean platform steel pile internal cement cleaning device according to claim 1,
the hydraulic power unit (1) is an existing hydraulic pump placed on an auxiliary vessel;
the actuating mechanism (3) is an existing hydraulic actuating mechanism, and a hydraulic loop is connected with the enclasping mechanism (4) and the pickaxe drill rod (5) respectively;
the clasping mechanism (4) consists of a tensioning wedge block and a tensioning oil cylinder; when the holding mechanism (4) is lowered to a position where the pickaxe drill rod contacts cement in the steel pile, hydraulic oil is controlled by the hydraulic control system to flow into the tensioning oil cylinder, so that the tensioning wedge block moves inwards to hold the outer side of the steel pile tightly;
the execution mechanism (3) is a hydraulic system, a tensioning oil cylinder of the clasping mechanism (4) is directly connected with a hydraulic pipeline of the hydraulic system, so that the execution mechanism (3) and the clasping mechanism (4) are integrated, the tensioning wedge block is fixed on the outer side of the tensioning oil cylinder, and after hydraulic oil of the hydraulic system is filled into the tensioning oil cylinder through the hydraulic pipeline, the tensioning wedge block fixed on the outer side of the oil cylinder generates displacement, so that the clasping mechanism clasps the steel pile;
the pickaxe drill rod (5) is a conventional commercially available crushing pickaxe drill rod, the upper part of the pickaxe drill rod (5) is clamped and fixed with a tightening wedge arranged on the inner side of the executing mechanism (3), and the other end of the pickaxe drill rod is an operation end.
CN202020674455.2U 2020-04-28 2020-04-28 Cement cleaning device in broken pick type ocean platform steel pile Active CN212452554U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020674455.2U CN212452554U (en) 2020-04-28 2020-04-28 Cement cleaning device in broken pick type ocean platform steel pile

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Application Number Priority Date Filing Date Title
CN202020674455.2U CN212452554U (en) 2020-04-28 2020-04-28 Cement cleaning device in broken pick type ocean platform steel pile

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CN212452554U true CN212452554U (en) 2021-02-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114855796A (en) * 2022-07-05 2022-08-05 中海石油(中国)有限公司 Multi-ship coordinated marine steel cylinder vibration sinking construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114855796A (en) * 2022-07-05 2022-08-05 中海石油(中国)有限公司 Multi-ship coordinated marine steel cylinder vibration sinking construction method
CN114855796B (en) * 2022-07-05 2022-11-15 中海石油(中国)有限公司 Multi-ship coordinated marine steel cylinder vibration sinking construction method

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