WO2018192371A1 - 一种单缆多锚张力腿锚泊系统 - Google Patents

一种单缆多锚张力腿锚泊系统 Download PDF

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Publication number
WO2018192371A1
WO2018192371A1 PCT/CN2018/082116 CN2018082116W WO2018192371A1 WO 2018192371 A1 WO2018192371 A1 WO 2018192371A1 CN 2018082116 W CN2018082116 W CN 2018082116W WO 2018192371 A1 WO2018192371 A1 WO 2018192371A1
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fixed
floating body
cable
anchor
tension leg
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PCT/CN2018/082116
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English (en)
French (fr)
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金伟
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金伟
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Publication of WO2018192371A1 publication Critical patent/WO2018192371A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
    • B63B2021/203—Mooring cables or ropes, hawsers, or the like; Adaptations thereof

Definitions

  • the invention relates to a single cable multi-anchor tension leg mooring system, and relates to the field of anchoring technology.
  • the mooring system is used to fix the floating structure to a certain position in the water. It is suitable for different water depths and has a great influence on the normal use of the floating structure.
  • the mooring line of the mooring system is connected to the anchoring end at the bottom of the water and acts on the floating body structure through the connector.
  • the anchor chain is affected by a variety of environmental forces, and wind, waves and current all have effects on it.
  • Most of the existing mooring systems are fixed anchoring structures with single anchors and single cables. In practical applications, they are susceptible to wind, wave and other effects, and are not convenient in the actual positioning process. The length of the anchor cable and the position of the positioning platform are changed according to actual needs, so the actual application and the use effect are not satisfactory.
  • the technical problem to be solved by the present invention is to provide a mooring system that is convenient to operate and can effectively reduce the influence of wind and waves on the positioning platform.
  • a single cable multi-anchor tension leg mooring system includes a floating body, a fixed anchor and a tension leg system, the number of the fixed anchors being set to at least one and fixed to a ground or a fixed object directly below the floating body, the tension leg
  • the system includes a cable and a connection assembly capable of freely adjusting the length of the cable, the cable being configured as a single cable structure and movably connected between the fixed anchor and the floating body, the connection assembly being disposed on the fixed anchor and the floating body
  • the number of the connecting components is the same as the number of fixed anchors.
  • said connecting assembly comprises an upper pulley block and a lower pulley, said upper pulley block comprising two fixed pulleys and symmetrically fixedly coupled to the lower floating body of the floating body, said lower pulley being movably coupled to the fixed anchor, the upper pulley block and The position of the lower pulley corresponds to the upper and lower sides, and the cable is wound and passed through one of the fixed pulleys and wound on the lower pulley, then passed through and wound on the other fixed pulley, and the cable is wound around the two fixed pulleys and then adjusted The relative distance between the floating body and the fixed anchor.
  • the cable sequentially passes through the upper pulley block and the lower pulley of each connecting component to form an integrally linked lifting positioning anchoring structure.
  • the fixed anchors are distributed in a linear or circumferential array or a rectangular vertex array is directly under the floating body.
  • the fixed pulley is provided with a rotating mechanism connected to the drive, and the rotating mechanism is connected to the external control system.
  • the floating body is provided as an air floating body or a solid floating body.
  • the present invention is beneficial in that the single-cable multi-anchor tension leg mooring system adopts a tension leg system with better rigidity and compliance, so that it can be freely controlled and adjusted according to needs in time and effectively.
  • the floating platform position of the floating platform is simple, quick and labor-saving.
  • the setting of the plurality of bottom anchors can largely disperse the fixed binding force for the floating platform, and then reduce the structure of the connection to the floating platform.
  • the floating body can also be applied to the air floating body structure in the air, so the application range is wider, the utility and the economic benefit are high, and the market prospect is wide, which is suitable for popularization and application.
  • Figure 1 is a schematic view showing the front structure of the present invention.
  • a single cable multi-anchor tension leg mooring system as shown in FIG. 1 includes a floating body 1, a fixed anchor 2, and a tension leg system.
  • the number of the fixed anchors 2 is set to at least one and is fixed directly below the floating body 1.
  • the tension leg system comprises a cable 3 and a connection assembly capable of freely adjusting the length of the cable 3, the cable 3 being arranged as a single cable structure movably connected between the fixed anchor 2 and the floating body 1, That is, the connection between the floating body and the one or more fixed anchors is completed by a cable.
  • the connecting component is disposed between the fixed anchor 2 and the floating body 1 , and the main function thereof is to adjust the length of the cable. That is, the relative distance between the floating body and the fixed anchor is controlled by adjusting the shrink cable, and the number of the connecting components is the same as the number of the fixed anchors 2 to ensure the stability when controlling the contraction.
  • the floating body can be set as an air floating body or a solid floating body, and the application place is different, but the lower tension leg system plays the same role and function, thus increasing the application range of the system, the market The outlook is better.
  • connection assembly may be configured to include an upper pulley block and a lower pulley 4, the upper pulley block including two fixed pulleys 5 and symmetrically fixedly connected to the floating body On the lower floating body of the first floating pulley, the two fixed pulleys are fixed at the lower part of the floating body at a certain installation pitch, and the fixing manner is a detachable connection fixing manner, and the surface of the fixed pulley is plated with a corrosion-resistant metal layer and a wear-resistant layer to enhance the use thereof.
  • the life and the structural strength, and the lower pulley 4 is movably connected to the fixed anchor 2, wherein the connection between the lower pulley and the fixed anchor may be a movable connection through a soft or rigid connecting structure, and the wheel body of the lower pulley can be opposite
  • the fixed anchor body is free to rotate, and the lower pulley is restrained from moving upward by the fixed anchor.
  • the upper pulley block of each group of connecting components corresponds to the position of the lower pulley 4, and the connection winding mode of the cable and the connecting component is specific. It is shown that the cable 3 is wound and passed through one of the fixed pulleys 5 and wraps down on the lower pulley 4, then passes upwards and is wound around another fixed pulley 5. The relative distance between the floating body 1 and the fixed anchor 2 is adjusted by winding the cable around the two fixed pulleys 5.
  • the cable 3 sequentially passes through the upper pulley block and the lower pulley 4 in each connecting component to form an overall coordinated lifting positioning.
  • the anchoring structure through a single cable passing through the middle set pulley and the lower pulley of the plurality of sets of connecting components, the connection winding manner of the cable in each set of connecting components is the same as the above-mentioned connecting winding manner, and then only needs to be controlled
  • One set of fixed pulley blocks rotates, and the cable is crimped thereon, and then the control cable slides on the fixed pulley block and the lower pulley on the whole device, and then adjusts the distance between the floating body and the fixed anchor, and the adjustment mode is convenient and quick. And the linkage is better.
  • the fixed anchor 2 when actually applied, is distributed in a linear or circumferential array or a rectangular vertex array is directly under the floating body 1, thereby effectively fixing the anchor to the floating platform.
  • the binding force is uniformly dispersed to reduce the structural strength requirement of the joint, and the stability of the fixed anchor to the floating body can be further enhanced.
  • the fixed pulley 5 is provided with a rotating mechanism connected to the drive, and the rotating mechanism is connected to the external control system.
  • the single-cable multi-anchor tension leg mooring system adopts a tension leg system with better rigidity and compliance, so that the floating and sinking position of the floating platform can be freely controlled and adjusted according to requirements in a timely and effective manner, and the control method is simple and quick, and labor saving is saved.
  • the arrangement of the plurality of bottom anchors can obtain a large degree of fixed binding force for the floating platform, thereby reducing the high strength requirement of the structure of the joint of the floating platform, reducing the processing cost and installation requirements, and effectively reducing
  • the material manufacturing cost of the cable is saved, which in turn reduces the installation and manufacturing costs of the overall project, and the system can be applied not only to the solid floating body on the water but also to the air floating structure in the air. Therefore, the application range is wider, the utility and economic benefits are high, and the market prospect is wide.

Abstract

一种单缆多锚张力腿锚泊系统，包括浮动本体（1）、固定锚（2）以及张力腿系统，固定锚（2）的数量设置为至少一个且固定于浮动本体（1）的正下方地面或固定物体上，张力腿系统包括线缆（3）以及能自由调节线缆（3）长度的连接组件，线缆（3）设置为单缆结构且活动连接在固定锚（2）与浮动本体（1）之间，连接组件设置于固定锚（2）与浮动本体（1）之间，连接组件的数量与固定锚（2）的数量一致。该锚泊系统采用具有较好刚性以及顺应性的张力腿系统，能自由地控制和调节浮动平台的浮沉位置，控制方式简单快捷，分散对浮动平台的固定约束力，减少对线缆的强度要求。

Description

一种单缆多锚张力腿锚泊系统 技术领域：
本发明涉及一种单缆多锚张力腿锚泊系统，涉及锚泊技术领域。
背景技术：
锚泊系统用于将浮体结构物固定于水中某一位置，它适用于不同水深，对浮体结构物的正常使用有着很大影响。锚泊系统的锚绳在水底与锚固端连接，而通过连接器与浮体结构物作用。随着陆上资源的不断消耗，进行海上新资源的开发利用成为了不可避免的趋势。广阔的海洋中，不仅蕴藏着丰富的油气资源，更加有着取之不尽、不断再生的波浪能、风能等能源，而各类海洋资源与能源的开发利用都有可能涉及到使用锚泊定位的浮体结构物。随着我国对海洋资源与能源开发力度的不断加大，锚泊系统的快速计算及其应用在工程中将会有很大的使用空间。锚链受多种环境作用力影响，风、浪、流对其均有作用。而现有的大部分锚泊系统的结构都是采用单锚以及单缆的固定定位结构，其在实际应用中，会容易受风浪、水流等影响其定位效果，而且在实际定位过程中还不方便根据实际需要改变锚缆的长度以及定位平台的位置，因而在实际应用和使用效果并不理想。
发明内容：
本发明所要解决的技术问题是：提供一种操作方便且能有效减少风浪对定位平台影响的锚泊系统。
为了解决上述技术问题，本发明是通过以下技术方案实现的：
一种单缆多锚张力腿锚泊系统，包括浮动本体、固定锚以及张力腿系统，所述固定锚的数量设置为至少一个且固定于浮动本体的正下方地面或固定物体上，所述张力腿系统包括线缆以及能自由调节线缆长度的连接组件，所述线缆设置为单缆结构且活动连接在固定锚与浮动本体之间，所述连接组件设置于所述固定锚与浮动本体之间，所述连接组件的数量与固定锚的数量一致。
作为优选，所述连接组件包括上滑轮组以及下滑轮，所述上滑轮组包括两个定滑轮且对称的固定连接在浮动本体的下部浮体上，所述下滑轮活动连接在固定锚上，上滑轮组与下滑轮的位置上下对应，所述线缆缠绕并穿过其中一个定滑轮并缠绕在下滑轮上后再穿过并缠绕于另一个定滑轮上，线缆在两个定滑轮上缠绕卷缩继而调节浮动本体与固定锚之间的相对距离。
作为优选，所述固定锚以及连接组件的数量设置为多个时，所述线缆依次穿过每个连接组件中的上滑轮组以及下滑轮，构成整体联动的升降定位锚泊结构。
作为优选，所述固定锚的数量设置为多个时，所述固定锚呈线性分布或圆周阵列分布或矩形顶点阵列分布于所述浮动本体的正下方。
作为优选，所述定滑轮上设有与其传动连接的转动机构，所述转动机构连接外部控制系统。
作为优选，所述浮动本体设置为气浮体或固态浮体。
与现有技术相比，本发明的有益之处是：所述单缆多锚张力腿锚泊系统采用具有较好刚性以及顺应性的张力腿系统，因而能及时有效的根据需要自由的控制和调节浮动平台的浮沉位置，控制方式简单快捷且节约人工，另外，多个底部固定锚的设置能较大程度上得到分散对于浮动平台的固定约束力，继而减少对浮动平台的连接处的结构的高强度要求，减少加工制作成本以及安装要求，而且还能有效减少对于线缆的强度要求，节约线缆的材料制作成本，继而降低整体工程的安装和制作成本，而且本系统不仅能应用在水上固态浮体上，而且还能应用于空气中的气浮体结构上，因而应用范围更加广泛，实用性和经济效益高，市场前景广泛，适合推广应用。
附图说明：
下面结合附图对本发明进一步说明：
图1是本发明的正面结构示意图。
具体实施方式：
下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围：
如图1所示的一种单缆多锚张力腿锚泊系统，包括浮动本体1、固定锚2以及张力腿系统，所述固定锚2的数量设置为至少一个且固定于浮动本体1的正下方地面或固定物体上，所述张力腿系统包括线缆3以及能自由调节线缆3长度的连接组件，所述线缆3设置为单缆结构活动连接在固定锚2与浮动本体1之间，也即通过一根线缆完成浮动本体与一个或多个固定锚的连接，另外，所述连接组件设置于所述固定锚2与浮动本体1之间，其主要作用为调节线缆的长度，也即通过调节收缩线缆的方式来控制浮动本体与固定锚之间的相对距离，而且所述连接组件的数量与固定锚2的数量一致，以保证控制收缩时的稳定性。
在实际应用中，可以将浮动本体设置为气浮体或固态浮体，其应用的场所不一样，但是其下部的张力腿系统所起到的作用以及功能一样，因而增加的本系统的应用范围，市场前景更好。
作为本实施例的一较佳实施方案，在本实施例中，所述连接组件可以设置为包括上滑轮组以及下滑轮4，所述上滑轮组包括两个定滑轮5且对称的固定连接在浮动本体1的下部浮体上，两个定滑轮按一定的安装间距固定在浮体下部，其固定方式为可拆卸连接固定方式，且所述定滑轮表面电镀有防腐蚀金属层以及耐磨层，增强其使用寿命以及结构强度，而所述下滑轮4活动连接在固定锚2上，此处的下滑轮与固定锚之间的连接方式可以为通过软性或刚性连接结构活动连接，下滑轮的轮体能相对于固定锚体自由转动，且下滑轮受固定锚的约束而无法往上移动，每组连接组件中的上滑轮组与下滑轮4的位置上下对应，而线缆与连接组件的连接绕线方式具体表现为，所述线缆3缠绕并穿过其中一个定滑轮5并往下环绕在下滑轮4上后再往上穿过并缠绕于另一个定滑轮5上，通过将线缆在两个定滑轮5上缠绕卷缩继而调节浮动本体1与固定锚2之间的相对距离。
而在实际应用中，当所述固定锚2以及连接组件的数量设置为多个时，所述线缆3依次穿过每个连接组件中的上滑轮组以及下滑轮4，构成整体联动的升降定位锚泊结构，通过单根的线缆穿过多组连接组件的中定滑轮以及下滑轮，线缆在每组连接组件中的连接绕线方式均与上述的连接绕线方式相同，继而只需控制其中一组定滑轮组转动，并让线缆在其上卷缩，继而控制线缆在整体设备上的定滑轮组以及下滑轮上滑动，继而调节浮动本体与固定锚之间的距离，调节方式方便快捷且联动性更好。
进一步地，作为优选实施方案，当实际应用时，所述固定锚2呈线性分布或圆周阵列分布或矩形顶点阵列分布于所述浮动本体1的正下方，因而能有效的将固定锚对浮动平台的约束力进行均匀的分散开，减少连接处的结构强度要求，而且还能进一步增强固定锚对浮动本体定位的稳定性。
而为方便控制线缆在定滑轮上卷缩滑动，所述定滑轮5上设有与其传动连接的转动机构，所述转动机构连接外部控制系统。
上述单缆多锚张力腿锚泊系统采用具有较好刚性以及顺应性的张力腿系统，因而能及时有效的根据需要自由的控制和调节浮动平台的浮沉位置，控制方式简单快捷且节约人工，另外，多个底部固定锚的设置能较大程度上得到分散对于浮动平台的固定约束力，继而减少对浮动平台的连接处的结构的高强度要求，减少加工制作成本以及安装要求，而且还能有效减少对于线缆的强度要求，节约线缆的材料制作成本，继而降低整体工程的安装和制作成本，而且本系统不仅能应用在水上固态浮体上，而且还能应用于空气中的气浮体结构上，因而应用范围更加广泛，实用性和经济效益高，市场前景广泛。
需要强调的是：以上仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，凡是依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (6)

  1. 一种单缆多锚张力腿锚泊系统，其特征在于：包括浮动本体(1)、固定锚(2)以及张力腿系统，所述固定锚(2)的数量设置为至少一个且固定于浮动本体(1)的正下方地面或固定物体上，所述张力腿系统包括线缆(3)以及能自由调节线缆(3)长度的连接组件，所述线缆(3)设置为单缆结构且活动连接在固定锚(2)与浮动本体(1)之间，所述连接组件设置于所述固定锚(2)与浮动本体(1)之间，所述连接组件的数量与固定锚(2)的数量一致。
  2. 根据权利要求1所述的一种单缆多锚张力腿锚泊系统，其特征在于：所述连接组件包括上滑轮组以及下滑轮(4)，所述上滑轮组包括两个定滑轮(5)且对称的固定连接在浮动本体(1)的下部浮体上，所述下滑轮(4)活动连接在固定锚(2)上，上滑轮组与下滑轮(4)的位置上下对应，所述线缆(3)缠绕并穿过其中一个定滑轮(5)并缠绕在下滑轮(4)上后再穿过并缠绕于另一个定滑轮(5)上，线缆在两个定滑轮(5)上缠绕卷缩继而调节浮动本体(1)与固定锚(2)之间的相对距离。
  3. 根据权利要求2所述的一种单缆多锚张力腿锚泊系统，其特征在于：所述固定锚(2)以及连接组件的数量设置为多个时，所述线缆(3)依次穿过每个连接组件中的上滑轮组以及下滑轮(4)，构成整体联动的升降定位锚泊结构。
  4. 根据权利要求2所述的一种单缆多锚张力腿锚泊系统，其特征在于：所述固定锚(2)的数量设置为多个时，所述固定锚(2)呈线性分布或圆周阵列分布或矩形顶点阵列分布于所述浮动本体(1)的正下方。
  5. 根据权利要求2所述的一种单缆多锚张力腿锚泊系统，其特征在于：所述定滑轮(5)上设有与其传动连接的转动机构，所述转动机构连接外部控制系统。
  6. 根据权利要求1所述的一种单缆多锚张力腿锚泊系统，其特征在于：所述浮动本体(1)设置为气浮体或固态浮体。
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