CN103979416B - Crane ship A support compensation of undulation actuating unit - Google Patents
Crane ship A support compensation of undulation actuating unit Download PDFInfo
- Publication number
- CN103979416B CN103979416B CN201410195456.8A CN201410195456A CN103979416B CN 103979416 B CN103979416 B CN 103979416B CN 201410195456 A CN201410195456 A CN 201410195456A CN 103979416 B CN103979416 B CN 103979416B
- Authority
- CN
- China
- Prior art keywords
- compensation
- heave
- main hoisting
- rolling
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Jib Cranes (AREA)
Abstract
The object of the present invention is to provide crane ship A support compensation of undulation actuating unit, mainly formed by main hoisting system, heave wave compensation system and rolling wave compensation system three parts. The Main Function of main hoisting system is to play carrying lift heavy, completes lift heavy and swings inside and outside ship side, supports the effect of heave wave compensation system and rolling wave compensation system. The Main Function of heave wave compensation system is that heave compensation system moves with main hoisting system synchronization in the time that boats and ships do not need compensating movement; In the time of the operation of needs heave compensation, complete the work of heave compensation of undulation. Rolling wave compensation system mainly plays the effect of compensation ship rolling displacement. The present invention can eliminate the caused heave of wave and the rolling impact that work brings on A support, for the normal work of A support tackling system provides strong guarantee. The present invention has that cost is low, efficiency is high, the feature of good reliability.
Description
Technical field
What the present invention relates to is a kind of crane ship, the specifically supply establishment of crane ship.
Background technology
Ocean supply refers to lives or works that goods and materials supplement and the sea of staff exchange to blue-water shippingUpper logistics operation. And along with the progressively development of Marine Sciences and away from sanidal deep sea energy source exploration engineeringFurther investigation, the logistics supply work of the ocean equipment such as boats and ships, offshore platform has become weighs a countryThe key index of operation on the sea ability and the comprehensive operational efficiency of naval's long-distance raid. Do for marine logistics supplyIndustry, device for supplying is undoubtedly its most key component part, therefore along with the further investigation of marine technology,The development of various supply modes and equipment thereof also emerges in an endless stream, abundant and improved China's ocean operation greatlyAnd naval's national defence supportability.
Seaborne supply has various ways, is broadly divided into four large classes: anchor and lean on supply, longitudinal replenishment, horizontal strokeTo supply and inflow, the supply mode being most widely used is here to carry out goods and materials by ship's craneThe anchoring of supply is also leaned on supply mode. And by the common supply process of supply be boats and ships in anchored condition, haveThe advantage that device for supplying is simple, supply process is quick, increment is large. But due to tender and object shipProfile, displacement ton etc. there are differences, and this has just caused two ships attitude across the sea there are differences. MendingIn the process of giving, two ships, can be in responsive movement such as pitching, rolling, heaves, simultaneously owing to being subject to the impact of waveCompensation equipment is motion thereupon also. And along with the upgrading of sea situation, these responsive movement can be aggravated, therefore in order to protectThe safety of card compensation operation, requires to carry out below 5 rank sea situations conventionally and by supply mode.
Along with the relative motion of two ships in wave, the also phase thereupon such as device for supplying lifting supply goods and materials, equipmentTo motion, this makes operating personnel can not accurately control lowering velocity and the placement location of supply goods and materials, also hasMay cause goods and materials, equipment etc. and deck that rigid contact occurs, or the equipment having placed do not come andDismounting is lifted once more, jeopardizes goods and staff's safety, causes unnecessary economic loss. ExampleAs the ship of exploit red No. 9 crane ships that face south, be equipped with A support above, but mend because equipment does not possess waveRepay function, in the time carrying out scientific investigation task, can only under 3 grades of sea situations, work, this makes the scientific investigation task can not beFor carrying out under mal-condition. In view of this, if want A support replenishment device trouble free service, make supply workCarry out smoothly, wave compensating device is absolutely necessary to whole system.
Summary of the invention
Rising of stability while the object of the present invention is to provide work such as improving A support execution lifting, constructionHeavy ship A support compensation of undulation actuating unit.
The object of the present invention is achieved like this:
Crane ship A support compensation of undulation actuating unit of the present invention, is characterized in that: comprise main hoisting system, heaveWave compensation system; Main hoisting system comprises A support, main hoisting hook, main hoisting hawser, main hoisting leading block, masterHang hoist engine, the first-the second amplitude of oscillation hydraulic cylinder, main hoisting bar, A support comprise the first-the second column, crossbeam,Support platform, crossbeam is fixed on the upper end of the first-the second column, and support platform is fixed on the first-the second and standsBetween post, main hoisting bar hanger is installed on main hoisting bar, main hoisting leading block is by pivot pin and main hoisting bar hanger phaseConnect, main hoisting bar is connected with crossbeam, and main hoisting hoist engine is fixed on crane ship deck, the first-the second column, theOne-the second amplitude of oscillation hydraulic cylinder is hinged with crane ship deck respectively, and the first amplitude of oscillation hydraulic cylinder and the first column are hinged,The second amplitude of oscillation hydraulic cylinder and the second column are hinged, and main hoisting hawser is wrapped in main hoisting hoist engine and main hoisting leading blockUpper, main hoisting hook is installed in the end of main hoisting hawser;
Heave wave compensation system comprises heave compensation bracing frame, the first-the second heave compensation hydraulic cylinder, heaveCompensating sheave, heave compensation suspension hook, heave compensation hoist engine, the first-the second guide triangular frame, heave hawser,Heave compensation bracing frame is fixed in support platform, and heave compensation bracing frame front side has the first-the second front side and leadsTo groove, the heave compensation bracing frame left and right sides has left side gathering sill, right side gathering sill, the first-the secondThe upper end of guide triangular frame is all provided with directive wheel, and two directive wheels are arranged on respectively the first-the second front side guidingIn groove, guiding pivot pin is installed in the lower end of the first-the second guide triangular frame, guiding pivot pin through left side gathering sill andRight side gathering sill, the first end of the first-the second heave compensation hydraulic cylinder is arranged on heave compensation bracing frame, theThe second end of one-the second heave compensation hydraulic cylinder is connected with the first-the second guide triangular frame respectively, heave compensationPulley is arranged between the first-the second guide triangular frame by heave pivot pin, and heave compensation hoist engine has been fixed onOn heavy boat deck, heave hawser is wrapped on heave compensation hoist engine and heave compensation pulley, heave hawserHeave compensation suspension hook is installed in end.
The present invention can also comprise:
1, also comprise rolling wave compensation system, rolling wave compensation system comprises the first-the second rolling compensationHydraulic cylinder, the first-the second rolling compensating hydraulic cylinder overhead gage, crossbeam lower plane arranges rolling gathering sill, firstThe-the second rolling compensating hydraulic cylinder is arranged on rolling by the first-the second rolling compensating hydraulic cylinder overhead gage respectively and leadsTo the two ends of groove, main hoisting bar is arranged on the middle part of rolling gathering sill, the first-the second horizontal stroke by main hoisting bar overhead gageShaking compensating hydraulic cylinder is connected with the two ends of main hoisting bar respectively.
2, the first-the second rolling compensating hydraulic cylinder promotion main hoisting bar laterally moves to hold in rolling gathering sillThe work of row rolling compensation of undulation, the first-the second rolling compensation of undulation hydraulic cylinder extension amount meets one end elongation etc.In other end shortening amount.
Advantage of the present invention is: when the present invention works, boats and ships detection system detects that boats and ships are in heave and rollingKinematic parameter in direction, control system calculates compensation rate and exports control signal is that A props up to executive systemFrame compensation arrangement, compensation arrangement compensates work, eliminates the caused heave of wave and rolling to A supportThe impact that work brings, for the normal work of A support tackling system provides strong guarantee. The present invention has intoThis is low, efficiency is high, the feature of good reliability.
Brief description of the drawings
Fig. 1 is overall construction drawing of the present invention;
Fig. 2 is main hoisting system construction drawing;
Fig. 3 is A rack assumption diagram;
Fig. 4 is main hoisting hook hawser hoist engine johning knot composition;
Fig. 5 is heave compensation of undulation actuating unit structure chart;
Fig. 6 is heave compensation bracing frame and heave compensation tripod johning knot composition;
Fig. 7 is heave compensation tripod and hoist engine johning knot composition;
Fig. 8 is rolling wave compensation system structure chart;
Fig. 9 is rolling compensating hydraulic cylinder and main hoisting bar johning knot composition.
Detailed description of the invention
For example the present invention is described in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1-9, crane ship A support wave compensating device be a kind of when A support is worked on sea withThe compensation arrangement that the swing that Wave Response causes is offset. Being mainly used in crane ship A support equipsWhen transhipment or offshore engineering, produce in the situation of Wave Response. Crane ship A support compensation of undulation actuating unit masterTo be formed by main hoisting system, heave wave compensation system and rolling wave compensation system three parts. Main hoisting systemMain Function be to play carrying lift heavy; Complete lift heavy swings inside and outside ship side; Support heave compensation of undulation systemThe unify effect of rolling wave compensation system. The Main Function of heave wave compensation system is, when boats and ships do not needWhile wanting compensating movement, heave compensation system moves with main hoisting system synchronization; In the time of the operation of needs heave compensation, completeThe work of heave compensation of undulation. Rolling wave compensation system mainly plays the effect of compensation ship rolling displacement.
Main hoisting system by A support 1, main hoisting hook 3, hawser 8, main hoisting leading block 2, main hoisting hoist engine 9,Amplitude of oscillation hydraulic cylinder 7, main hoisting bar 6 and main hoisting bar overhead gage 5, deck 4 form. A support 1 is as masterWant the device of load-bearing and support heave compensation system and rolling bucking-out system, it is by A support supporting leg bottom hingeBearing is connected by bearing pin 13 with crane ship deck 4, and A support 1 swings on clamping plate around pivot pin 13. AThe promising support heave compensation system in bottom of support 1 and the support platform 14 that designs, have bolt hole and be on itHeave compensation bracing frame is connected. Above A support 1 crossbeam, have as ladder gathering sill, step trough isRolling compensating hydraulic cylinder and main hoisting bar 6 provide installation site and play rolling slip compensation guide effect. At AThe dorsal part of support 1 is provided with the hinged-support being connected with amplitude of oscillation hydraulic cylinder 7. The Main Function of main hoisting bar 6 is to bearBoth sides main hoisting hook 3 loads, are installed in ladder gathering sill, can be in step trough transverse shifting, by leadingSuspension rod overhead gage 5 provides position-limiting action. Main hoisting bar 6 both sides hangers and main hoisting leading block 2 are by pivot pin 10Connect, pivot pin 10 outsides covers have rolling bearing to play to reduce drag effect. Have spiral shell in main hoisting bar 6 both sidesPit matches with rolling compensation of undulation hydraulic cylinder. Main hoisting hoist engine 9 play lifting or pull load and workWith. Complete to lift by crane to pull by main hoisting pulley 2 and main hoisting hook 3 by main hoisting hoist engine 9 elevator hawsers 8 and appointBusiness. Amplitude of oscillation hydraulic cylinder 7 mainly plays and supports A support and to the effect swinging inside and outside ship side. Amplitude of oscillation hydraulic cylinder7 cylinder barrels are connected by hinged-support pivot pin 12 with clamping plate 4. Amplitude of oscillation hydraulic cylinder 7 hydraulic stems are by pivot pin 11 and ASupport 1 dorsal part hinged-support connects. Should be noted that in routine duties the greaser of A rack beam 15 gathering sillsReduce working resistance as rolling operation.
Heave wave compensation system is slided by heave compensation bracing frame 16, heave compensation hydraulic cylinder 17, heave compensationWheel 18, heave compensation suspension hook 19, heave compensation hoist engine 20, heave compensation guide triangular frame 21, hawser22 compositions. Heave compensation bracing frame 16 mainly plays and supports heave load, connects the effect of each heave parts.Two, 16 top of heave compensation bracing frame hanger 24 is connected with heave compensation hydraulic cylinder 17 by pivot pin 23.Heave compensation bracing frame 16 anterior with side have the gathering sill 25 that coordinates with heave compensation guide triangular frame,26, for heave compensation guide triangular frame 21 provides heave guiding and position-limiting action. Heave compensation bracing frame 16Base plate has the screwed hole linking with A stent support platform 14, by bolt 27 and A stent support platform14 connect. Heave compensation guide triangular frame 21 mainly plays and connects heave compensation pulley 18 and heave compensation liquidCylinder pressure 17 also provides guide effect. Heave compensation guide triangular frame 21 is arranged in heave according to bilateral symmetry and mendsRepay pulley 18 both sides. The upper end of heave compensation guide triangular frame 21 is provided with directive wheel 28, directive wheel 28Be contained on heave compensation guide triangular frame 21 by bearing pin 29, directive wheel 28 is placed at heave compensation supportIn 16 front end gathering sills 25 and move in heave direction. Heave compensation guide triangular frame 21 lower ends are stuck in heaveCompensation bracing frame both sides, are linked at by pivot pin 30 in the gathering sill 26 of heave compensation bracing frame 16 both sides,Pivot pin 30 outside covers have pilot sleeve 31 to play guiding drag reduction. Because of the supporting leg of the lower end back-up roller of tripodFor thin-wall construction, for improving its bonding strength, in the time of design, design reinforcement in both sides, to improve supportStability. Both sides A-frame connects by pivot pin 32, settles cylinder roller bearing 33 in the middle of pivot pin 32Drive the rotation of heave compensation pulley. Heave compensation tripod 21 front ends have and heave compensation hydraulic cylinder 17Link arrange hinged-support, by pivot pin 34 by the two link. Heave compensation hydraulic cylinder 17 mainly plays literThe effect of heavy speed, bit shift compensation. 17 of heave compensation hydraulic cylinders support by pivot pin 23 and heave compensationFrame 16 hangers connect, and heave compensation hydraulic cylinder 17 bars are connected by pivot pin 34 with heave compensation tripod 21.Heave compensation hoist engine 20 play provide heave compensation displacement and sling load and effect. Pass through heave compensationHoist engine 20, drag hawser 22 by heave compensation pulley 18 and heave compensation suspension hook 19 complete compensation andLifting task.
Rolling wave compensation system is propped up by rolling compensating hydraulic cylinder 35, rolling compensating hydraulic cylinder overhead gage 36, AFrame crossbeam 15, main hoisting bar 6 form. Rolling compensating hydraulic cylinder 35 cylinder barrels are placed in A rack beam 15 topsThe both sides of gathering sill. Rolling compensating hydraulic cylinder 35 bar front ends have screw thread to coordinate with main hoisting bar 6 both sides screwed holesInstall. Rolling compensating hydraulic cylinder 35 promotes main hoisting bar 6 and in A support entablature gathering sill, laterally movesCarry out the work of rolling compensation of undulation. It should be noted in the discussion above that rolling compensating hydraulic cylinder 35 left and right strokes should expireFoot left side elongation equals right side shortening amount, ensures so integrally-built stability, and recurring structure does not depart fromThe situation of distortion.
Crane ship A support compensation of undulation actuating unit is by increase heave wave on common A bracket basisCompensation arrangement, to improve the stability of boats and ships in heave direction; Adding rolling wave at A bracket upper beam mendsRepay device, to improve the stability of boats and ships in rolling direction; Utilize cylinder device and hoist system altogetherWith carrying out compensation work, increase the stability of work and the rapidity of response.
The features such as that A support 1 has is simple in structure, manipulation convenient, bearing capacity is large, increase on this basisHeave and rolling wave compensation system can compensate propagates the response to wave in heave and rolling direction.
Only need to lift by crane and not need to compensate action when boats and ships detection system detects boats and ships, now onlyHave the running of main hoisting system, heave compensation hydraulic cylinder 17 does without moving, only has heave compensation hoist engine 20 and main hoistingHoist engine 9 discharges hawser with same rotational speed, makes rolling wave compensation system along with the running of main hoisting system, does not riseTo the effect of heave compensation of undulation. Rolling compensating hydraulic cylinder 35 attonitys, rolling wave compensation system does not carry outWork. The flexible response length of now control system control amplitude of oscillation hydraulic cylinder 7, drives A support 1 to deck 4Inside and outside swings that load is put outside ship side or interior swing work. Main hoisting hoist engine 9 elevator hawsers 8 are by mainHanging roller 2 and main hoisting hook 3 complete lifting and pull task. When detecting boats and ships, boats and ships detection system need to carry outWhen the motion of heave compensation of undulation, now main hoisting system is normally worked, and detection system passes the undulate quantity detectingGive control system, the compensation of undulation amount that control system computing ship need to carry out, sends control signal to heaveWave compensation system carries out heave compensation of undulation. Control system is sent control signal, drives heave compensation hydraulic pressureCylinder 17 carries out flexible compensation part heave displacement. Heave compensation hoist engine 20 carries out elevator according to controlled quentity controlled variable,Drag hawser 22 and complete heave ripple by heave compensation pulley 18 and heave compensation suspension hook 19 according to control systemVelocity compensation and the tension compensating of wave compensation. When detecting boats and ships, boats and ships detection system need to carry out rolling waveWhen compensating motion, control system control rolling compensating hydraulic cylinder 35 promotes main hoisting bar 6 and leads at A support entablatureIn groove, laterally move to carry out the work of rolling compensation of undulation.
Claims (3)
1. crane ship A support compensation of undulation actuating unit, is characterized in that: comprise main hoisting system, heave waveBucking-out system; Main hoisting system comprises A support, main hoisting hook, main hoisting hawser, main hoisting leading block, main hoisting volumeRaise machine, first, second amplitude of oscillation hydraulic cylinder, main hoisting bar, A support comprise first, second column, crossbeam,Support platform, crossbeam is fixed on the upper end of first, second column, and support platform is fixed on first, secondBetween column, main hoisting bar hanger is installed on main hoisting bar, main hoisting leading block is by pivot pin and main hoisting bar hangerBe connected, main hoisting bar is connected with crossbeam, and main hoisting hoist engine is fixed on crane ship deck, first, second column,First, second amplitude of oscillation hydraulic cylinder is hinged with crane ship deck respectively, the first amplitude of oscillation hydraulic cylinder and the first column hingeConnect, the second amplitude of oscillation hydraulic cylinder and the second column are hinged, and main hoisting hawser is wrapped in main hoisting hoist engine and main hoisting guidingOn pulley, main hoisting hook is installed in the end of main hoisting hawser;
Heave wave compensation system comprises heave compensation bracing frame, first, second heave compensation hydraulic cylinder, literHeavy compensating sheave, heave compensation suspension hook, heave compensation hoist engine, first, second guide triangular frame, heaveHawser, heave compensation bracing frame is fixed in support platform, and heave compensation bracing frame front side has first,Two front side gathering sills, the heave compensation bracing frame left and right sides has left side gathering sill, right side gathering sill,The upper end of first, second guide triangular frame is all provided with directive wheel, two directive wheels are arranged on respectively first,In the second front side gathering sill, guiding pivot pin is installed in the lower end of first, second guide triangular frame, and guiding pivot pin is wornCross left side gathering sill and right side gathering sill, the first end of first, second heave compensation hydraulic cylinder is arranged on heaveOn compensation bracing frame, the second end of first, second heave compensation hydraulic cylinder leads three with first, second respectivelyCorner bracket is connected, and heave compensation pulley is arranged between first, second guide triangular frame by heave pivot pin, risesHeavy compensation hoist engine is fixed on crane ship deck, and heave hawser is wrapped in heave compensation hoist engine and heave is mendedRepay on pulley, heave compensation suspension hook is installed in the end of heave hawser.
2. crane ship A support compensation of undulation actuating unit according to claim 1, is characterized in that: alsoComprise rolling wave compensation system, rolling wave compensation system comprise first, second rolling compensating hydraulic cylinder,First, second rolling compensating hydraulic cylinder overhead gage, crossbeam lower plane arranges rolling gathering sill, first, secondRolling compensating hydraulic cylinder is arranged on rolling gathering sill by first, second rolling compensating hydraulic cylinder overhead gage respectivelyTwo ends, main hoisting bar is arranged on the middle part of rolling gathering sill, first, second rolling by main hoisting bar overhead gageCompensating hydraulic cylinder is connected with the two ends of main hoisting bar respectively.
3. crane ship A support compensation of undulation actuating unit according to claim 2, is characterized in that: theOne, the second rolling compensating hydraulic cylinder promotes main hoisting bar and in rolling gathering sill, laterally moves to carry out rolling rippleWave compensation work, first, second rolling compensating hydraulic cylinder stroke meets one end elongation and equals other end contractingThe loss of quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195456.8A CN103979416B (en) | 2014-05-09 | 2014-05-09 | Crane ship A support compensation of undulation actuating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195456.8A CN103979416B (en) | 2014-05-09 | 2014-05-09 | Crane ship A support compensation of undulation actuating unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103979416A CN103979416A (en) | 2014-08-13 |
| CN103979416B true CN103979416B (en) | 2016-05-04 |
Family
ID=51271631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410195456.8A Expired - Fee Related CN103979416B (en) | 2014-05-09 | 2014-05-09 | Crane ship A support compensation of undulation actuating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103979416B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540473A (en) * | 2016-01-21 | 2016-05-04 | 赵忠生 | Wave heave compensation device for ship winch cable |
| CN106081945B (en) * | 2016-06-14 | 2017-12-29 | 大连海事大学 | A kind of crane on ship/floating platform with Three Degree Of Freedom systems stabilisation |
| CN108529449B (en) * | 2017-06-12 | 2019-09-13 | 烟台三新新能源科技有限公司 | A kind of ship heavy lift derrick |
| CN108439200A (en) * | 2018-04-28 | 2018-08-24 | 江苏科技大学 | A kind of compensation of undulation A types Gate Foundation peculiar to vessel |
| CN109368514B (en) * | 2018-11-20 | 2020-05-08 | 衢州学院 | Wave compensation device for offshore floating crane |
| CN113371158B (en) * | 2021-07-15 | 2024-05-24 | 烟台宏远载人压力舱工程技术研究院有限公司 | Multi-degree-of-freedom umbilical cable heave compensation device |
| CN113443566B (en) * | 2021-08-03 | 2024-08-02 | 上海海事大学 | Wave compensation device of marine crane |
| CN113479794B (en) * | 2021-08-10 | 2024-05-17 | 上海振华重工(集团)股份有限公司 | Wave compensation simulation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4238037A (en) * | 1977-12-15 | 1980-12-09 | Azovtsev Alex A | Angle-of-heel control means for a floating crane |
| CN2488894Y (en) * | 2001-07-06 | 2002-05-01 | 国营华南船舶机械厂 | Passive wave compensator |
| US6505574B1 (en) * | 2001-09-05 | 2003-01-14 | The United States Of America As Represented By The Secretary Of The Navy | Vertical motion compensation for a crane's load |
| CN101948002A (en) * | 2010-09-26 | 2011-01-19 | 南京航海仪器二厂有限公司 | Combined type heave compensating device |
| CN202054550U (en) * | 2011-04-28 | 2011-11-30 | 中船华南船舶机械有限公司 | Constant-tension wave compensation device |
| CN103318776A (en) * | 2012-06-28 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Active heave compensation control system and control method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002020080A (en) * | 2000-07-06 | 2002-01-23 | Port & Airport Research Institute | Method for controlling swing of suspension hook in workboat |
-
2014
- 2014-05-09 CN CN201410195456.8A patent/CN103979416B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4238037A (en) * | 1977-12-15 | 1980-12-09 | Azovtsev Alex A | Angle-of-heel control means for a floating crane |
| CN2488894Y (en) * | 2001-07-06 | 2002-05-01 | 国营华南船舶机械厂 | Passive wave compensator |
| US6505574B1 (en) * | 2001-09-05 | 2003-01-14 | The United States Of America As Represented By The Secretary Of The Navy | Vertical motion compensation for a crane's load |
| CN101948002A (en) * | 2010-09-26 | 2011-01-19 | 南京航海仪器二厂有限公司 | Combined type heave compensating device |
| CN202054550U (en) * | 2011-04-28 | 2011-11-30 | 中船华南船舶机械有限公司 | Constant-tension wave compensation device |
| CN103318776A (en) * | 2012-06-28 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Active heave compensation control system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103979416A (en) | 2014-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103979416B (en) | Crane ship A support compensation of undulation actuating unit | |
| CN204675691U (en) | A kind of big sea buoy lowering equipment | |
| CN101780923B (en) | Heavy load salvage wave compensation system of super large floating crane | |
| CN105203301A (en) | Crown block active and passive combined heave compensation testing device | |
| CN106044585A (en) | Offshore wind turbine integral hoisting device with multi-degree of freedom compensation | |
| CN103640987A (en) | Folding arm hydraulic crane | |
| CN101983894A (en) | Pretension and lay-off method and device of crane jib for ship | |
| CN203333189U (en) | Hoisting device for ships | |
| CN105060093A (en) | Integral hoisting method of front and rear crossbeam assemblies of quayside container crane | |
| CN103879904B (en) | Ocean crane ship and moving method thereof | |
| CN203558761U (en) | Hydraulic knuckle crane | |
| US3469820A (en) | Drill pipe stabilizing apparatus | |
| CN206033063U (en) | Electronic change width of cloth loop wheel machine | |
| CN103879905B (en) | Formula floating-crane ship and moving method thereof is moved after jib | |
| CN204778459U (en) | Double small car container bank bridge | |
| CN105645275A (en) | Cable hoisting crane and construction method thereof | |
| DK2895419T3 (en) | System for reducing a counterweight on a crane | |
| CN203332353U (en) | 500-tonner crane ship | |
| CN206033074U (en) | Boats and ships hoist heave compensation auxiliary device | |
| CN203781695U (en) | Boom backward-movement type floating crane ship | |
| CN204237287U (en) | A kind of boats and ships hydraulic foldable conveying arm | |
| CN106081945B (en) | A kind of crane on ship/floating platform with Three Degree Of Freedom systems stabilisation | |
| CN206668179U (en) | A kind of three times extended-range drilling well heave compensation system | |
| CN201686393U (en) | Derrick mast hoisting tool | |
| CN105317031B (en) | A kind of ship lift main equipment room bridge main beam hanging method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 |