CN215000040U - Pipe ship connection angle compensation device suitable for deep sea mining - Google Patents
Pipe ship connection angle compensation device suitable for deep sea mining Download PDFInfo
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- CN215000040U CN215000040U CN202022689771.XU CN202022689771U CN215000040U CN 215000040 U CN215000040 U CN 215000040U CN 202022689771 U CN202022689771 U CN 202022689771U CN 215000040 U CN215000040 U CN 215000040U
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Abstract
A pipe ship connection angle compensation device suitable for deep sea mining comprises a shell, a wear-resistant ring, a mandrel assembly, a supporting ball seat, a fixed flange and an anti-rotation pin, wherein the lower part of the shell is connected with the fixed flange through a bolt, and the supporting ball seat is fixed on the upper part of the fixed flange through the anti-rotation pin and is positioned in the shell; the upper part of the mandrel assembly is placed on the supporting ball seat, and the wear-resisting ring is located on the inner side of the lower part of the shell, so that the upper part of the wear-resisting ring is abutted to the inner wall of the shell, and the lower part of the wear-resisting ring is abutted to the mandrel assembly. The advantages are that: the angle deviation between the hard pipe and the operation platform is allowed, so that the bending moment of the end part of the hard pipe is improved and reduced, the hard pipe is prevented from being broken due to overlarge top bending moment, the effective connection between the hard pipe and the platform is ensured, and the smooth implementation of ore pulp conveying is ensured.
Description
Technical Field
The utility model belongs to the technical field of deep sea mining technique and specifically relates to a pipe ship hookup angle compensation arrangement suitable for deep sea mining.
Background
The deep sea mining engineering is a complex multi-disciplinary system engineering, a hard pipe system is used as an important system for connecting underwater ore collecting equipment, a relay station and a lifting pump, extends into the sea bottom by thousands of meters, is hung on a mining platform, is influenced by environmental factors such as wave flow and the like to cause the angular deflection of the upper end of a hard pipe and cause the angular deflection of a pipeline due to the drifting/swinging motion of a mining ship, and has the risk of failure and damage of the hard pipe at the hanging end of the platform.
In the aspect of offshore oil drilling engineering, in order to compensate for a large deflection angle generated by an offshore oil drilling riser system under the action of environmental loads such as wave current and the like and the movement of a hull, a flexible joint is usually installed at the top of a riser, and the flexible joint can effectively reduce bending moment transmitted from the pitching and rolling motions of a platform to the top of the riser, so that the bending moment on the drilling riser is reduced, and the stress condition of the riser in the wave frequency motion of the platform is improved. The core component of the flexible joint, namely the flexible element, is an elastic composite element and consists of a plurality of layers of steel plates and rubber, the flexible element has enough strength, good wear resistance and sealing performance, but has more production and processing difficulties and higher cost,
compared with the requirement of the drilling marine riser on rigidity, the deep-sea mining engineering only needs to meet continuous conveying of ore pulp, effective connection of the hard pipe and the platform is guaranteed, in order to adapt to the angular deflection range of the pipeline, additional bending stress on the pipeline caused by angle change between the ship body and the pipeline is reduced to the maximum extent, and the requirement on rigidity is low or no requirement on rigidity is met. Based on the above situation, it is necessary to design a pipe-ship connection angle compensation device suitable for deep sea mining.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pipe ship hookup angle compensation arrangement suitable for deep sea mining, the purpose is overcome above-mentioned technical defect, effectively reduces the bending moment at the hard tube top that the angle change caused between mining platform and the pipeline, improves the atress condition of hard tube in the platform motion, guarantees the continuous transport of ore pulp, simple structure, and the reliability is high.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a pipe ship connection angle compensation device suitable for deep sea mining comprises a shell, a wear-resistant ring, a mandrel assembly, a supporting ball seat, a fixed flange and an anti-rotation pin, wherein the lower part of the shell is connected with the fixed flange through a bolt, and the supporting ball seat is fixed on the upper part of the fixed flange through the anti-rotation pin and is positioned in the shell; the upper part of the mandrel assembly is placed on the supporting ball seat, and the wear-resisting ring is located on the inner side of the lower part of the shell, so that the upper part of the wear-resisting ring is abutted to the inner wall of the shell, and the lower part of the wear-resisting ring is abutted to the mandrel assembly.
Preferably, the inner spherical surface of the mandrel assembly is in contact with the wear-resistant ring and is provided with a sealing ring.
Preferably, the spherical surface and the upper part of the wear-resistant ring are provided with sealing grooves on the contact surface with the shell.
The utility model discloses a pipe ship hookup angle compensation arrangement suitable for deep sea mining, its advantage: when the technical scheme is used for offshore mining operation, the device is mainly used for adapting to the deflection of the hard pipe caused by the action of environmental factors such as waves, waves and currents or the angular deviation of the pipeline caused by drifting/swinging motion of a mining ship, and allowing angular deviation to exist between the hard pipe and an operation platform, so that the bending moment of the end part of the hard pipe is improved and reduced, the hard pipe is prevented from being broken due to overlarge top bending moment, the effective connection between the hard pipe and the platform is ensured, and the smooth implementation of ore pulp conveying is ensured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of a pipe-ship connection angle compensation device suitable for deep sea mining according to the present invention;
fig. 2 is a schematic structural view of the pipe ship connection angle compensation device for deep sea mining according to the present invention when compensating the angle of the hard pipe;
wherein:
the anti-rotation device comprises a shell 1, a wear-resisting ring 2, a mandrel assembly 3, a supporting ball seat 4, a fixing flange 5, an anti-rotation pin 6 and a bolt 7.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
According to fig. 1 and 2, the utility model provides a pipe ship connection angle compensation device suitable for deep sea mining, which comprises a shell 1, a wear-resisting ring 2, a mandrel assembly 3, a supporting ball seat 4, a fixed flange 5 and an anti-rotation pin 6, wherein the lower part of the shell 1 is connected with the fixed flange 5 through a bolt 7, and the supporting ball seat 4 is fixed on the upper part of the fixed flange 5 through the anti-rotation pin 6 and is positioned in the shell 1; the upper part of the mandrel assembly 3 is seated on the supporting ball seat 4, and the wear-resistant ring 2 is located on the inner side of the lower part of the housing 1, so that the upper part of the wear-resistant ring 2 is abutted against the inner wall of the housing 1, and the lower part of the wear-resistant ring is abutted against the mandrel assembly 3, so as to protect the body from being worn, and furthermore, the arrangement of the anti-rotation pin 6 effectively prevents the supporting ball seat 4 from deflecting due to the deflection of the mandrel assembly 3.
In the deep sea mining operation, the utility model discloses the device is installed in hard tube system top, connects mining boats and ships platform and hard tube system, and when the hard tube system received because of environmental factor effect such as ripples, unrestrained, stream deflection or mining boats drift/sway the motion and arouse pipeline angle skew, the hard tube tubular column will drive dabber assembly 3 is followed the abrasive surface free rotation of support ball seat 4, angle compensation arrangement act as the elastic angle restraint, allow to take place certain relative angular displacement between hard tube and the mining platform, reduce the stress of position of contact to improve and reduce hard tube local bending stress.
In a specific embodiment, the housing 1 is one of the main parts of the angle compensation device of the present invention, and bears pressure, tension and bending moment during mining operation.
In the embodiment, the inner spherical surface of the mandrel assembly 3 contacts the wear ring 2 and is provided with a sealing ring (not shown) to prevent the inner slurry from being sprayed out and from entering the grinding surface of the supporting ball seat 4. The grinding surface adopts special surface treatment, so that the hardness and the surface smoothness of the grinding surface are ensured, and the mandrel assembly 3 can smoothly rotate on the supporting ball seat 4. The lower flange of the mandrel assembly 3 provides an interface for connecting with a hard pipe, and the angular deviation of the hard pipe string is allowed through the angular swing of the mandrel assembly 3, so that the local bending stress of the hard pipe string is reduced.
In a specific embodiment, the spherical surface and the upper part of the wear-resistant ring 2 are provided with sealing grooves (not shown in the figure) on the contact surface with the shell 1, so as to prevent the slurry from flowing out of the hard pipe channel;
be different from the angle compensation arrangement that has rigidity that oil drilling marine riser field was used, the utility model discloses need not flexible element, the device is simplified, and the good reliability. The device can adapt to the angle deflection range of the pipeline according to the actual working conditions, reduce the additional bending stress on the pipeline caused by the angle change between the mining platform (ship) and the pipeline to the maximum extent, ensure the effective connection between the hard pipe and the platform and ensure the smooth realization of ore pulp conveying.
The structure and the connection relationship not described in detail in the present invention are prior art, and are not described herein.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (3)
1. The utility model provides a pipe ship hookup angle compensation arrangement suitable for deep sea mining which characterized in that: the wear-resistant bearing comprises a shell (1), a wear-resistant ring (2), a mandrel assembly (3), a supporting ball seat (4), a fixing flange (5) and an anti-rotating pin (6), wherein the lower part of the shell (1) is connected with the fixing flange (5) through a bolt (7), and the supporting ball seat (4) is fixed on the upper part of the fixing flange (5) through the anti-rotating pin (6) and is positioned in the shell (1); the upper part of the mandrel assembly (3) is placed on the supporting ball seat (4), and the wear-resisting ring (2) is positioned on the inner side of the lower part of the shell (1), so that the upper part of the wear-resisting ring (2) is abutted against the inner wall of the shell (1), and the lower part of the wear-resisting ring is abutted against the mandrel assembly (3).
2. The pipe-vessel coupling angle compensation device for deep sea mining according to claim 1, wherein: the inner spherical surface of the mandrel assembly (3) is in contact with the wear-resistant ring (2) and is provided with a sealing ring.
3. The pipe-vessel coupling angle compensation device for deep sea mining according to claim 1, wherein: and sealing grooves are formed in the contact surfaces of the spherical surface and the upper part of the wear-resistant ring (2) and the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022689771.XU CN215000040U (en) | 2020-11-19 | 2020-11-19 | Pipe ship connection angle compensation device suitable for deep sea mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022689771.XU CN215000040U (en) | 2020-11-19 | 2020-11-19 | Pipe ship connection angle compensation device suitable for deep sea mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215000040U true CN215000040U (en) | 2021-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022689771.XU Active CN215000040U (en) | 2020-11-19 | 2020-11-19 | Pipe ship connection angle compensation device suitable for deep sea mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215000040U (en) |
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2020
- 2020-11-19 CN CN202022689771.XU patent/CN215000040U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220507 Address after: 430064 No. 125 Shou Yi Road, Wuchang District, Wuhan, Hubei Patentee after: WUHAN SHIP DEVELOPMENT & DESIGN INSTITUTE CO.,LTD. Patentee after: China Ocean Mineral Resources Research and Development Association Address before: 430010 No. 125, Shouyi Road, Wuchang District, Wuhan City, Hubei Province Patentee before: WUHAN SHIP DEVELOPMENT & DESIGN INSTITUTE CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Yuan Inventor after: Xue Yongchang Inventor after: Li Xiangyang Inventor after: Sun Xiaohui Inventor after: Yang Gaosheng Inventor after: Chen Dandong Inventor after: Xie Mengqi Inventor after: Yang Shusen Inventor after: Tang Ying Inventor after: Yu Qian Inventor before: Li Yuan Inventor before: Yang Gaosheng Inventor before: Chen Dandong Inventor before: Xie Mengqi Inventor before: Yang Shusen Inventor before: Tang Ying Inventor before: Yu Qian Inventor before: Xue Yongchang |
|
| CB03 | Change of inventor or designer information |