CN204399443U - A kind of compound type mooring system - Google Patents
A kind of compound type mooring system Download PDFInfo
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- CN204399443U CN204399443U CN201420720337.5U CN201420720337U CN204399443U CN 204399443 U CN204399443 U CN 204399443U CN 201420720337 U CN201420720337 U CN 201420720337U CN 204399443 U CN204399443 U CN 204399443U
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Abstract
The purpose of this utility model is to provide a kind of compound type mooring system, comprise gravity anchor, end anchor chain, elastic cable, upper anchor chain, end anchor chain comprises and being connected with each other and lie chain and the Lower chains of mutual transition length, gravity anchor is fixed on the end of chain of lying, chain of lying keeps flat and is placed in seabed, elastic cable comprises left terminal pad, right terminal pad, play rope, the even setting dish bolt in inner side of left terminal pad and right terminal pad, the two ends of each bullet rope all connect the valve snail bolt on left terminal pad and right terminal pad respectively by respective connector, coupling link is all installed in the outside of left terminal pad and right terminal pad, Lower chains is connected one of them coupling link respectively with upper anchor chain, upper anchor chain connects buoyancy aid by adaptor union.The utility model effectively can reduce the impact load of mooring system when buoyancy aid anchors and control the oscillatory response of buoyancy aid, and anchoring cost is low, and floating motion is controlled well, can be used for single-point and the spread mooring of shallow draft ship and other offshore floating type works.
Description
Technical field
The utility model relates to single-point and the multiple spot anchoring arrangement of a kind of shallow waters boats and ships and other offshore floating type works.
Background technology
Need during the offshore location of Naval Architecture and Ocean Engineering floating structure to adopt dynamic positioning device or mooring system.Dynamic positioning equipment mechanism is complicated, and energy consumption is large, safeguard and the cost of overhaul high, non-high precision location requirement or cheapness and energy recharge easily, generally do not adopt.Mooring system structure is simple, and without active energy consumption, maintenance and maintenance facilitate, cost is low, are often used when carrying out the location of general precision requirement.But, for mooring system, when marine stormy waves is larger, or when being similar to the anchoring location with the Floating Tidal power generation assembly of large rotor, mooring system often with larger impact load, or with HFO, this proposes higher requirement to the specification of mooring system, indirectly improve anchoring cost, also can cause adverse effect to the floading condition of the offshore floating type works such as boats and ships and motion, bring harm to the marine operation of the offshore floating type works such as boats and ships.Particularly, during for shallow-water anchorage, in order to ensure that mooring system has larger restoring force, also will in mooring system distributed arrangement pouring weight, to form larger restoring force, thus increase construction difficulty, add construction period, also indirectly improve anchoring cost.
Summary of the invention
A kind of compound type mooring system that the purpose of this utility model is to provide the anchoring of the various offshore floating type works that can be used for comprising boats and ships to locate.
The purpose of this utility model is achieved in that
A kind of compound type mooring system of the utility model, it is characterized in that: comprise gravity anchor, end anchor chain, elastic cable, upper anchor chain, end anchor chain comprises and being connected with each other and lie chain and the Lower chains of mutual transition length, gravity anchor is fixed on the end of chain of lying, chain of lying keeps flat and is placed in seabed, elastic cable comprises left terminal pad, right terminal pad, play rope, the even setting dish bolt in inner side of left terminal pad and right terminal pad, the two ends of each bullet rope all connect the valve snail bolt on left terminal pad and right terminal pad respectively by respective connector, coupling link is all installed in the outside of left terminal pad and right terminal pad, Lower chains is connected one of them coupling link respectively with upper anchor chain, upper anchor chain connects buoyancy aid by adaptor union.
The utility model can also comprise:
1, the initial length of chain of lying be the 3-4 of the position depth of water doubly, the initial length of Lower chains is that Lower chains is initially spent, elastic cable initial length and upper anchor chain initial length summation 10/12, elastic cable initial length is that Lower chains is initially spent, elastic cable initial length and upper anchor chain initial length summation 1/12, upper anchor chain initial length is that Lower chains is initially spent, elastic cable initial length and upper anchor chain initial length summation 1/12, anchoring angle gets 45 ~ 60 °, 1-2 times that Lower chains, elastic cable and upper anchor chain are the chain place depth of water of lying in seabed horizontal projection distance.
Advantage of the present utility model is: a kind of compound type mooring system structure involved by the utility model is simple, effectively can reduce the impact load of mooring system during buoyancy aid anchoring and control the oscillatory response of buoyancy aid, anchoring cost is low, floating motion is controlled well, can be used for single-point and the spread mooring of shallow draft ship and other offshore floating type works.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model elastic cable structural representation;
Fig. 3 is that the utility model terminal pad arranges schematic diagram;
Maximum anchorage tension diagram of curves when Fig. 4 a is common anchoring, maximum anchorage tension diagram of curves when Fig. 4 b is the utility model anchoring;
Tidal generating set 6DOF Motion picture response curve figure a when Fig. 5 a is common anchoring, tidal generating set 6DOF Motion picture response curve figure b when Fig. 5 b is common anchoring, tidal generating set 6DOF Motion picture response curve figure c when Fig. 5 c is common anchoring, tidal generating set 6DOF Motion picture response curve figure d when Fig. 5 d is common anchoring, tidal generating set 6DOF Motion picture response curve figure e when Fig. 5 e is common anchoring, tidal generating set 6DOF Motion picture response curve figure f when Fig. 5 f is common anchoring, tidal generating set 6DOF Motion picture response curve figure a when Fig. 5 g is the utility model anchoring, tidal generating set 6DOF Motion picture response curve figure b when Fig. 5 h is the utility model anchoring, tidal generating set 6DOF Motion picture response curve figure c when Fig. 5 i is the utility model anchoring, tidal generating set 6DOF Motion picture response curve figure d when Fig. 5 j is the utility model anchoring, tidal generating set 6DOF Motion picture response curve figure e when Fig. 5 k is the utility model anchoring, tidal generating set 6DOF Motion picture response curve figure f when Fig. 5 m is the utility model anchoring.
Detailed description of the invention
Below in conjunction with accompanying drawing citing, the utility model is described in more detail:
Composition graphs 1 ~ 5, a kind of compound type mooring system of the utility model mainly comprises 1 gravity anchor 1,1 and to lie the upper anchor chain 5 of chain 2,1 Lower chains 3,1 elastic cable 4,1 and 1 adaptor union 6.
Described gravity anchor 1 one end anchor is in seabed O point, and the other end connects chain 2 of lying, and be cast iron materials, surface is anticorrosion coating.
Described chain 2 one end of lying links with gravity anchor 1, and one end is connected with the lower end of Lower chains 3.Chain 2 and the Lower chains 3 of lying can change length mutually along with the load change of mooring system.The initial length a of chain 2 of lying be the 3-4 of depth of water H doubly.
Described Lower chains 3 is for limiting the motion of elastic cable 4.One end is connected with chain 2 of lying, and the other end is connected with elastic cable 4.Lower chains 3 is understood along with the stressed difference of buoyancy aid, changes its length, and then regulates the restoring force of mooring system, adapts to the stressed change of buoyancy aid.The initial length b1 of Lower chains 3 is about 10/12 of the initial length summation b of the initial degree of Lower chains 3 and the initial length of elastic cable 4 and upper anchor chain 5.
Described elastic cable 4, for coordinating with upper anchor chain 5 and adaptor union 6, limits floating motion.Mainly comprise 2 coupling links, 7,2 terminal pads 8, some valve snail bolts 9, some connectors 10 and some bullet ropes 11.2 coupling links 7 and some valve snail bolts 9 are fixed on the both sides of terminal pad 8 respectively.Play rope 11 two ends to be connected by connector 10 and the valve snail bolt 9 on both sides terminal pad 8 are alive.Each valve snail bolt 9 is provided with screw thread, and is distributed on terminal pad 8, and each connector 10 is also provided with screw thread, realizes playing rope 11 and is connected with living of valve snail bolt 9.Playing rope 11 is rubber rope, and its diameter design is according to the stressed forecast of buoyancy aid.The initial length b2 of elastic cable 4 is 1/12 of the initial length summation b of the initial length of Lower chains 3 and the initial length of elastic cable 4 and upper anchor chain 5.Elastic cable 4 can according to buoyancy aid load change adaptively changing length.
Described upper anchor chain 5, for coordinating with adaptor union 6, limits floating motion.The initial length b3 of upper anchor chain 5 is 1/12 of the initial length summation b of the initial degree of Lower chains 3 and the initial length of elastic cable 4 and upper anchor chain 5.
Described gravity anchor 1, chain 2 of lying, Lower chains 3, upper anchor chain 5 and adaptor union 6 is cast iron materials, and anticorrosion coating is made on surface.
Described boats and ships and other offshore floating type works float on sea, when being subject to wind wave flow action, gravity anchor 1 anchor is in O point, and be connected with chain 2 of lying, chain 2 of lying is connected with Lower chains 3, restriction Lower chains 3 is moved, Lower chains 3 is connected with elastic cable 4, the motion of restriction elastic cable 4, elastic cable 4 is connected with upper anchor chain 5, limited the motion of boats and ships and other offshore floating type works by adaptor union 6, during combination mooring system mooring line position, reduce the impact load of mooring system by elastic cable 4 and reduce the HF oscillation of boats and ships and other offshore floating type works.
Described a kind of compound type mooring system, as shown in Figure 4 and Figure 5, during anchoring, the maximum load of mooring system can reduce about 60%, the surging response of the offshore floating type works such as boats and ships can reduce about 60%, and pitching response can reduce about 30%, and yawing, rolling and heaving are more steady, swaying increases to some extent, but combination mooring system is totally better to the motion control of buoyancy aid 6DOF.
Described gravity anchor is grabbed seabed and is fixed, and is mainly used in restriction and lies chain position.
Described chain of lying is for limiting Lower chains motion, and one end links with gravity anchor, and the other end is connected with Lower chains.Chain and the Lower chains of lying can change length mutually along with the load change of mooring system.The initial length of chain of lying be the 3-4 of the depth of water doubly.
Described Lower chains is for limiting elastic cable motion.One end is connected with chain of lying, and the other end is connected with elastic cable.Lower chains along with the stressed difference of buoyancy aid, can change its length, and then regulates the restoring force of mooring system, adapts to the stressed change of buoyancy aid.The initial length of Lower chains be Lower chains initially spend with elastic cable initial length and upper anchor chain initial length summation about 10/12.
Described elastic cable is used for coordinating with upper anchor chain and adaptor union, restriction floating motion.Mainly comprise coupling link, terminal pad, valve snail bolt, connector and bullet rope.Coupling link and valve snail bolt are fixed on the both sides of terminal pad respectively.Play rope two ends to be connected by connector and the valve snail bolt on the terminal pad of both sides are alive.Connector is distributed on terminal pad.Playing rope is rubber rope, and its diameter design is according to the stressed forecast of buoyancy aid.Elastic cable initial length be Lower chains initially spend with elastic cable initial length and upper anchor chain initial length summation about 1/12.Elastic cable can according to buoyancy aid load change adaptively changing length.
Described upper anchor chain is used for coordinating with adaptor union, restriction floating motion.Upper anchor chain initial length be Lower chains initially spend with elastic cable initial length and upper anchor chain initial length summation about 1/12.
Described gravity anchor, chain of lying, Lower chains, upper anchor chain and adaptor union are cast iron materials, and anticorrosion coating is made on surface.
Described a kind of compound type mooring system is for comprising shallow water single-point and the multiple spot anchoring of the offshore floating type works of boats and ships.
Described a kind of compound type mooring system effectively can control the 6DOF motor imagination of the offshore floating type works such as boats and ships, and can reduce the maximum load of mooring system.
Gravity anchor 1 is fixed for grabbing seabed, described chain 2 of lying is for connecting Lower chains 3 and limiting the motion of Lower chains 3, described Lower chains 3 is for connecting elastic cable 4 and limiting the motion of elastic cable 4, described elastic cable 4 for connecting upper anchor chain 5 and adaptor union 6, and coordinates with upper anchor chain 5 and adaptor union 6 and controls floating motion.
Gravity anchor 1 is forged iron anchor, the initial length of the described chain 2OA that lies and the ratio a/H ≈ 3-4 of the depth of water, the initial length of described Lower chains 3AB and the ratio b1/b=10/12 of AD section total length, the length of described elastic cable 4BC and AD section total length than b2/b ≈ 1/12, the length of described upper anchor chain 5CD and AD section total length than b3/b ≈ 1/12, described anchoring angle gets 45 ~ 60 °, and described Lower chains 3AB, elastic cable 4BC and upper anchor chain 5CD are 1-2 times of depth of water H in seabed horizontal projection distance.
The impact load of mooring system and the HF oscillation impact of reduction mooring system when elastic cable 4 is also used for reducing anchoring.
Elastic cable 4 is made up of 2 coupling links, 7,2 terminal pads 8, some valve snail bolts 9, some connectors 10 and some bullet ropes 11.
The side of each terminal pad 8 is connected 1 coupling link 7, and opposite side even distribution type is connected some valve snail bolts 9.The two ends of every root bullet rope 11 are connected with 1 connector 10 respectively, are connected with the valve snail bolt 9 on both sides terminal pad 8 by the connector 10 at two ends by screw thread is alive.Playing rope 11 is high elastic rubber material.
On the disc area of the terminal pad 8 of elastic cable 4, terminal pad 8, the tension force of the mooring system that the quantity of uniform valve snail bolt 9, the diameter that plays rope 11 obtain according to weather report carries out design.
Mooring system can be used for single-point and the multiple spot anchoring of boats and ships and other offshore floating type works, is particularly useful for the shallow-water anchorage of boats and ships and other offshore floating type works.
Through retrieval, publication number is the Counterweight anchor chain that patent discloses a kind of single buoy mooring system of CN 103407552A." Counterweight anchor chain device comprises Bower Anchor chain and n clump weight, and wherein n clump weight hangs on Bower Anchor chain, described n be greater than or equal to 1 natural number.The anchor chain topology layout that the utility model provides, effectively can improve the horizontal rigidity more than 2 to 5 times of anchor chain, the length requirement that shortening anchor chain is laid on sea bed is to original 20% ~ 50%, reduce the space requirement of whole single buoy mooring system to sea bed, make single buoy mooring system can adapt to more complicated sea bed landform.Compound type mooring system involved by the utility model and publication number are that the Counterweight anchor chain of single buoy mooring system involved in the patent of CN 103407552A exists obviously different: (1) object difference.The utility model is a kind of mooring system, and the patent that publication number is CN 103407552A is a kind of breeding anchor chain; (2) specifically difference is formed.The utility model mainly comprises gravity anchor, chain of lying, Lower chains, elastic cable, upper anchor chain and adaptor union, and the patent that publication number is CN 103407552A mainly comprises Bower Anchor chain and clump weight; (3) mooring system involved by is different with the applied environment of anchor chain, and technical barrier to be solved is also different.Mooring system involved by the utility model adapts to single-point and the multiple spot anchoring of the offshore floating type works such as each depth of water boats and ships, and its outstanding feature is single-point and the multiple spot anchoring of the offshore floating type works such as suitable shallow waters boats and ships.Further, a kind of application of compound type mooring system can solve severe sea condition and float downward oscillation body response acutely, and mooring system impact load is comparatively large, offshore installation fluctuation of service, an anchoring high cost difficult problem.And the Counterweight anchor chain of publication number involved by the patent of CN 103407552A can adapt to the anchoring application of complicated sea bed landform, and the laying length of anchor chain on sea bed can be reduced, reduce taking sea bed space when anchoring.
Claims (2)
1. a compound type mooring system, it is characterized in that: comprise gravity anchor, end anchor chain, elastic cable, upper anchor chain, end anchor chain comprises and being connected with each other and lie chain and the Lower chains of mutual transition length, gravity anchor is fixed on the end of chain of lying, chain of lying keeps flat and is placed in seabed, elastic cable comprises left terminal pad, right terminal pad, play rope, the even setting dish bolt in inner side of left terminal pad and right terminal pad, the two ends of each bullet rope all connect the valve snail bolt on left terminal pad and right terminal pad respectively by respective connector, coupling link is all installed in the outside of left terminal pad and right terminal pad, Lower chains is connected one of them coupling link respectively with upper anchor chain, upper anchor chain connects buoyancy aid by adaptor union.
2. a kind of compound type mooring system according to claim 1, it is characterized in that: the initial length of chain of lying is 3-4 times of the position depth of water, the initial length of Lower chains is that Lower chains is initially spent, 10/12 of elastic cable initial length and upper anchor chain initial length summation, elastic cable initial length is that Lower chains is initially spent, 1/12 of elastic cable initial length and upper anchor chain initial length summation, upper anchor chain initial length is that Lower chains is initially spent, 1/12 of elastic cable initial length and upper anchor chain initial length summation, anchoring angle gets 45 ~ 60 °, Lower chains, 1-2 times that elastic cable and upper anchor chain are the chain place depth of water of lying in seabed horizontal projection distance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720337.5U CN204399443U (en) | 2014-11-25 | 2014-11-25 | A kind of compound type mooring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720337.5U CN204399443U (en) | 2014-11-25 | 2014-11-25 | A kind of compound type mooring system |
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| CN204399443U true CN204399443U (en) | 2015-06-17 |
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| CN201420720337.5U Withdrawn - After Issue CN204399443U (en) | 2014-11-25 | 2014-11-25 | A kind of compound type mooring system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859796A (en) * | 2014-11-25 | 2015-08-26 | 哈尔滨工程大学 | Combined anchor chain system |
| CN105923106A (en) * | 2016-06-12 | 2016-09-07 | 上海理工大学 | Segmental floating type wind machine mooring of fractal structure |
| CN106005260A (en) * | 2016-06-20 | 2016-10-12 | 宁波大学 | Ship mooring method and device |
| CN106930232A (en) * | 2017-03-03 | 2017-07-07 | 宁波大学 | A kind of floating breakwater |
| CN111256637A (en) * | 2020-02-08 | 2020-06-09 | 新昌县城南乡王氏机械配件厂 | Anchor chain outward-placing detection device for ship |
| CN112529034A (en) * | 2020-10-24 | 2021-03-19 | 泰州镭昇光电科技有限公司 | Micro-control operating system and method using parameter identification |
-
2014
- 2014-11-25 CN CN201420720337.5U patent/CN204399443U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859796A (en) * | 2014-11-25 | 2015-08-26 | 哈尔滨工程大学 | Combined anchor chain system |
| CN104859796B (en) * | 2014-11-25 | 2017-04-12 | 哈尔滨工程大学 | Combined anchor chain system |
| CN105923106A (en) * | 2016-06-12 | 2016-09-07 | 上海理工大学 | Segmental floating type wind machine mooring of fractal structure |
| CN106005260A (en) * | 2016-06-20 | 2016-10-12 | 宁波大学 | Ship mooring method and device |
| CN106005260B (en) * | 2016-06-20 | 2017-11-03 | 宁波大学 | A kind of ship mooring method and device |
| CN106930232A (en) * | 2017-03-03 | 2017-07-07 | 宁波大学 | A kind of floating breakwater |
| CN111256637A (en) * | 2020-02-08 | 2020-06-09 | 新昌县城南乡王氏机械配件厂 | Anchor chain outward-placing detection device for ship |
| CN111256637B (en) * | 2020-02-08 | 2020-12-04 | 嘉兴尚坤科技有限公司 | Anchor chain outward-placing detection device for ship |
| CN112529034A (en) * | 2020-10-24 | 2021-03-19 | 泰州镭昇光电科技有限公司 | Micro-control operating system and method using parameter identification |
| CN112529034B (en) * | 2020-10-24 | 2021-11-16 | 中极华盛工程咨询有限公司 | Micro-control operating system and method using parameter identification |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150617 Effective date of abandoning: 20170412 |