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Positioning and clamping device special for submarine pipeline flange automatic joint tool

A technology for automatic connection and submarine pipelines, applied in pipeline laying and maintenance, pipes/pipe joints/fittings, mechanical equipment, etc., can solve the problems of low reliability and accuracy of positioning and clamping, achieve light weight and increase friction coefficient , accurate positioning and reliable results

Active Publication Date: 2010-04-14
CHINA NAT OFFSHORE OIL CORP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The patent PCT / WO 03 / 040602 A1 of STOLT OFFSHORE LIMITED proposes a positioning and clamping device, which adopts the claw method. The biggest feature of the device is its connection with the machine tool. The device is connected to the hydraulic cylinder through a hinge , and then hinged on the machine tool through a hydraulic cylinder, so its positioning and clamping device is floating and has a certain space adjustment capability, but the reliability and accuracy of its positioning and clamping are not high

Method used

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  • Positioning and clamping device special for submarine pipeline flange automatic joint tool
  • Positioning and clamping device special for submarine pipeline flange automatic joint tool
  • Positioning and clamping device special for submarine pipeline flange automatic joint tool

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Embodiment Construction

[0014] Hereinafter, the present invention will be described in more detail with examples in conjunction with the accompanying drawings:

[0015] Combine figure 1 , The main components of the special positioning and clamping device for the submarine pipeline flange automatic connection machine of the present invention include the jaw seat 1, the articulated hydraulic cylinder 2, the jaw 5, the hydraulic cylinder mounting lug 6, the jaw mounting lug 8, and the hinge The hydraulic cylinder 2 is connected to the claw base 1 through a hydraulic cylinder mounting lug 6, and the hydraulic cylinder mounting lug 6 is fixed to the claw base 1 through a bolt 7. The articulated hydraulic cylinder 2 is connected to the claw 5 through the pin 3, and the claw 5 is connected to the claw base 1 through the rotating shaft 4. There are two jaw mounting lugs 8 which are welded on both sides of the jaw seat 1 respectively.

[0016] The device is installed on the deep-water automatic flange connection ...

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Abstract

The invention provides a special positioning and clamping device for an automatic submerged pipe flange connecting machine. The device comprises a master jaw 1, a hinged hydraulic cylinder 2, a jaw 5,a hydraulic cylinder mounting lug 6 and a jaw mounting lug 8, wherein the hydraulic mounting lug 6 is fixed on the master jaw 1; the hinged hydraulic cylinder 2 is connected with the master jaw 1 through the hydraulic mounting lug 6 and is connected with the jaw 5 through a pin shaft 3; the jaw 5 is connected with the master jaw 1 through a rotating shaft 4; and the jaw mount lug 8 has two pieceswhich are welded at two sides of the master jaw respectively. The invention provides a positioning and clamping device for a deepwater automatic flange connecting machine which can adapt to deep-seaenvironment and meet the operational requirements of the deepwater automatic flange connecting machine on positioning and clamping.

Description

Technical field [0001] The invention relates to a positioning and clamping device on an automated work tool, in particular to mechanical equipment used for automatic bolt connection of deep-sea oil pipeline flanges. Background technique [0002] There are many ways to connect the flanges of deep sea submarine pipelines, among which bolt connection is the cheapest way and the most reliable way of connection. Deep-sea operations cannot use divers and can only use various automated machines. The simple process of deep-sea pipeline flange bolt connection is to first control the H frame by the ROV (Remotely Operated Vehicle) to support the pipeline that needs to be connected on the seabed, and then realize the axial and radial position of the pipeline by the alignment tool After the ROV controls the flange automatic connection machine to complete the bolt connection of the pipe flange. In order to ensure the normal progress of the flange connection process, the automatic flange conn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L1/26
Inventor 王立权赵冬岩李伟张岚林秋红王文明刘明珠潘钟键王春波王建秋
Owner CHINA NAT OFFSHORE OIL CORP
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