CN209208981U - Multi-buoy mooring system anchor chain lifting device - Google Patents
Multi-buoy mooring system anchor chain lifting device Download PDFInfo
- Publication number
- CN209208981U CN209208981U CN201822166618.1U CN201822166618U CN209208981U CN 209208981 U CN209208981 U CN 209208981U CN 201822166618 U CN201822166618 U CN 201822166618U CN 209208981 U CN209208981 U CN 209208981U
- Authority
- CN
- China
- Prior art keywords
- chain
- anchor chain
- wheel
- hawse pipe
- swing arm
- 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.)
- Active
Links
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model provides a kind of multi-buoy mooring system anchor chain lifting device, comprising: rack, rack are in integrated framework with deck；Rack top is equipped with the turning end of chain wheel for hawse pipe and swing arm by chain wheel for hawse pipe wheel shaft, and anchor chain retainer is provided on deck, and anchor chain passes through anchor chain retainer and is engaged on the chain wheel for hawse pipe；Hydraulic cylinder is provided with by shaft in rack, the piston rod front end of hydraulic cylinder is connected with the driving end of swing arm by shaft；Anchor chain support is provided with by shaft in the middle part of swing arm.Multi-buoy mooring system anchor chain lifting device described in the utility model has the characteristics that energy conservation and environmental protection using hydraulic system.Structure is simple, can adjust the position of chain support on a swing arm according to the actual situation to control the stress of hydraulic cylinder.There is stronger precision, stability and reliability using HYDRAULIC CONTROL SYSTEM.Anchor chain can be recycled as unit of chain link, reaches enough recycling precision, can accurately control the length of recycling anchor chain.
Description
Technical field
The utility model relates to semisubmersible platforms and FPSO (Floating Production Storage and
Offshore Units, floating type production, storage and offloading device) field, and in particular to a kind of multi-buoy mooring system anchor chain promotion dress
It sets.
Background technique
With the fast development of offshore oil and gas field exploitation industry, semisubmersible platform and FPSO are widely applied, ocean
The exploration and development of oil gas brings the variation of the essence of multi-buoy mooring system, this is to multiple spot with there is development of the shallow sea to deep-sea
Mooring winch system integrally require be matter promotion.
Due to domestic mating horizontal whole not high, in research and development starting evening, application experience is insufficient, Related product Locating System Accuracy
Not high, stability is not high, not extensive so as to cause application.
Summary of the invention
According to the anchor chain lifting device of existing multi-buoy mooring system set forth above, precision is not high, the not high technology of stability
Problem, and a kind of multi-buoy mooring system anchor chain lifting device is provided.The utility model mainly utilizes hydraulic cylinder works to stretch out, anchor chain
Support holds up anchor chain, and the piston rod of hydraulic cylinder front end drives swing arm to rotate clockwise centered on the chain wheel for hawse pipe wheel shaft, and
And chain wheel for hawse pipe wheel shaft and chain wheel for hawse pipe is driven to rotate clockwise, realize that accurate stablize of anchor chain is promoted to play.
The technological means that the utility model uses is as follows:
A kind of multi-buoy mooring system anchor chain lifting device, comprising: rack, the rack are in integrated framework with deck；It is described
Rack top the turning end of chain wheel for hawse pipe and swing arm is equipped with by chain wheel for hawse pipe wheel shaft, be provided with anchor chain on the deck
Chain stopper, anchor chain pass through anchor chain retainer and are engaged on the chain wheel for hawse pipe；It is provided in the rack by shaft hydraulic
Cylinder, the piston rod front end of the hydraulic cylinder are connected with the driving end of swing arm by shaft；By turning in the middle part of the swing arm
Axis is provided with anchor chain support.
When the hydraulic cylinder works retract, the anchor chain retainer locks anchor chain, and anchor chain props up out anchor chain, hydraulic cylinder front end
Piston rod drive swing arm rotated counterclockwise centered on the chain wheel for hawse pipe wheel shaft, chain wheel for hawse pipe wheel shaft and chain wheel for hawse pipe are not
It is dynamic.
Further, the rack includes two pieces of triangular baffles and four pieces of triangle fixed plates, and two pieces of triangular baffles are simultaneously
Row is set on the deck, is respectively set that there are two the triangle fixed plates for reinforcing on the outside of each triangular baffle.
Further, the chain wheel for hawse pipe wheel shaft is assemblied on the triangle end at the top of two triangular baffles；It is described
Chain wheel for hawse pipe wheel shaft is welded and fixed or is interference fitted with the triangular baffle top and is connected and fixed.
Further, the triangular baffle and triangle fixed plate are fixedly welded on the deck.
Further, when the hydraulic cylinder works are stretched out, the piston rod of hydraulic cylinder front end drives swing arm with the guide chain
60 ° are rotated clockwise centered on roller shaft；The chain wheel for hawse pipe is hexagon chain wheel for hawse pipe.
Further, clutch is provided between the chain wheel for hawse pipe wheel shaft and the turning end of swing arm.
Compared with the prior art, the utility model has the advantage that
1, Tthe utility model system is hydraulic system, has the characteristics that energy conservation and environmental protection.
2, the utility model structure is simple, can adjust the position of chain support on a swing arm according to the actual situation to control liquid
The stress of cylinder pressure.
3, the utility model has stronger precision, stability and reliability using HYDRAULIC CONTROL SYSTEM.
4, the utility model can recycle anchor chain as unit of chain link, reach enough recycling precision, can accurately control recycling
The length of anchor chain.
The utility model is suitble in semisubmersible platform and FPSO (Floating Production based on the above reasons
Storage andOffshore Units, floating type production, storage and offloading device) it uses in multi-buoy mooring system.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is done simply to introduce, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of operation schematic diagram of multi-buoy mooring system anchor chain lifting device of the utility model.
Fig. 2 is a kind of static schematic diagram of multi-buoy mooring system anchor chain lifting device of the utility model.
Fig. 3 is a kind of left view of the static schematic diagram of multi-buoy mooring system anchor chain lifting device of the utility model.
Fig. 4 is a kind of top view of the static schematic diagram of multi-buoy mooring system anchor chain lifting device of the utility model.
Wherein: 1, rack；2, hydraulic cylinder；3, anchor chain retainer；4, swing arm；5, anchor chain support；6, anchor chain；7, guide chain is rolled
Wheel；8, triangular baffle；9, triangle fixed plate；10, deck；11, chain wheel for hawse pipe wheel shaft.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Below at least one example
The description only actually of property embodiment be it is illustrative, never as to the utility model and its application or any limit used
System.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the utility model.As used herein, unless the context clearly indicates otherwise, otherwise singular
Form be also intended to include plural form, additionally, it should be understood that, when in the present specification use term "comprising" and/or
When " comprising ", existing characteristics, step, operation, device, component and/or their combination are indicated.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be clear that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.Skill known for person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model: the noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
As shown in Figures 1 to 4, the utility model provides a kind of multi-buoy mooring system anchor chain lifting device, comprising: rack
1, the rack 1 is in integrated framework with deck 10；The rack 1 include two pieces of triangular baffles 8 and four pieces of triangle fixed plates 9, two
Triangular baffle 8 described in block is arranged side by side on the deck 10, being respectively set on the outside of each triangular baffle 8 there are two being used for
The triangle fixed plate 9 of reinforcing.The triangular baffle 8 and triangle fixed plate 9 are fixedly welded on the deck 10.
Preferably, the use of rack 1 and 10 same material of deck, and be welded to connect with deck 10.The triangular baffle
8, triangle fixed plate 9 meets triangle stable law, and stress meets the requirements.
1 top of rack is equipped with the turning end of chain wheel for hawse pipe 7 and swing arm 4, institute by chain wheel for hawse pipe wheel shaft 11
The chain wheel for hawse pipe wheel shaft 11 stated is assemblied on the triangle end at two 8 tops of triangular baffle；The chain wheel for hawse pipe wheel shaft 11 is same
It is welded and fixed or is interference fitted at the top of the triangular baffle 8 and be connected and fixed.Two pieces of triangular baffles, 8 size is identical, in guide chain
7 both ends of idler wheel are arranged symmetrically.
Anchor chain retainer 3 is provided on the deck 10, anchor chain 6 passes through anchor chain retainer 3 and is engaged in the chain wheel for hawse pipe 7
On；Hydraulic cylinder 1 is provided with by shaft in the rack 1, the piston rod front end of the hydraulic cylinder 2 is connected with pendulum by shaft
The driving end of swing arm 4；Anchor chain support 5 is provided with by shaft in the middle part of the swing arm 4.
It is stretched out when the hydraulic cylinder 2 works, the anchor chain retainer 3 unclamps anchor chain 6, and anchor chain support 5 holds up anchor chain 6, hydraulic
The piston rod of 2 front end of cylinder drives swing arm 4 to rotate clockwise centered on the chain wheel for hawse pipe wheel shaft 11, and guide chain is driven to roll
Wheel wheel shaft 11 and chain wheel for hawse pipe 7 rotate clockwise.
Preferably, it is stretched out when the hydraulic cylinder 2 works, the piston rod of 2 front end of hydraulic cylinder drives swing arm 4 with the guide chain
60 ° are rotated clockwise centered on roller shaft 11, the chain wheel for hawse pipe 7 is hexagon chain wheel for hawse pipe.Rotation angle has
Fixed range requirement, rotating clockwise 60 ° is also single maximum angle.Chain wheel for hawse pipe 7 often rotates clockwise 60 °, just can guarantee
Anchor chain 6 is fixed each time to rise a chain link.For popular, the corresponding chain link in chain wheel for hawse pipe hexagon each face of 6 faces,
60 ° of rotations, one face is rotated, a chain link is risen.
When the piston rod uplink of hydraulic cylinder 2 drives swing arm 4 to rotate 60 ° around chain wheel for hawse pipe wheel shaft 11, chain wheel for hawse pipe 7
Equal angular is coaxially rotated with swing arm 4, realizes that anchor chain 6 is promoted.
It is retracted when the hydraulic cylinder 2 works, the anchor chain retainer 3 locks anchor chain 6, and anchor chain support 5 decontrols anchor chain 6, hydraulic
The piston rod of 2 front end of cylinder drives swing arm 4 to rotate counterclockwise centered on the chain wheel for hawse pipe wheel shaft 11, chain wheel for hawse pipe wheel shaft 11
And chain wheel for hawse pipe 7 is motionless.
When 2 piston rod downlink of hydraulic cylinder drives swing arm 4 to go back to origin-location around chain wheel for hawse pipe wheel shaft 11, chain wheel for hawse pipe
7 do not rotate with swing arm, are in stationary state, realize anchor chain 6 with chain wheel for hawse pipe 7 in stationary state.
Clutch, chain wheel for hawse pipe 7 and swing arm 4 are provided between the chain wheel for hawse pipe wheel shaft 11 and the turning end of swing arm 4
Relationship be: when rising, swing arm 4 and chain wheel for hawse pipe 7 are rotated around chain wheel for hawse pipe axis together, and when piston rod downlink, pendulum
Swing arm 4 goes back to origin-location counterclockwise, and chain wheel for hawse pipe 7 is static.Wherein, swing arm 4 is in uphill process, with chain wheel for hawse pipe wheel shaft
11 be to realize rotation by the gear engagement of clutch, and downlink process is to be detached from gear engagement by clutch to realize transmission.
It should be noted that clutch does not have embodiment in figure herein, default as the simple clutch principle in market.
Whole system in multi-buoy mooring system anchor chain lifting device described in the utility model is HYDRAULIC CONTROL SYSTEM, such as
It is only schematic diagram shown in figure, should actually reserves hydraulic system arrangement space.
Multi-buoy mooring system anchor chain lifting device described in the utility model, the piston rod of hydraulic cylinder 2 and the swing arm 4
Swing arm 4 is driven to move by axis connection and in reciprocatory movement.2 cylinder body of hydraulic cylinder and rack 1 equally pass through axis connection
And it can be swung around axis.The hydraulic cylinder 2 can size determine according to actual needs.
The anchor chain retainer 3 is realized locking by hydraulic-driven or is opened.It is in always when lifter is static
Locking state, when starting enhancing action, anchor chain retainer 3 decontrols anchor chain.
The anchor chain support 5 realizes support chain or relieving by hydraulic-driven.It is in always when lifter promotes anchor chain 6
Picking-up state, after anchor chain retainer 3 locks anchor chain, the piston rod of hydraulic cylinder 2 starts to fall, and anchor chain support 5 decontrols anchor chain 6.
There are two axis connection connection liquid cylinder pressures 2 and chain wheel for hawse pipe 7 in 4 both ends of swing arm, realize linkage.Have on swing arm 4
Anchor chain support 5 described in one axis connection.
Preferably, 2 cylinder body of hydraulic cylinder is connect with rack 1 by bearing, can be swung in certain angle.The hydraulic cylinder
2 meet the requirement of power needed for system.
Preferably, the anchor chain retainer 3 can be locked and be decontroled to anchor chain by setting according to system needs.
Preferably, 4 both ends of swing arm all meet system arrangement demand by corresponding axis hole.
Preferably, position of the anchor chain support 5 on swing arm 4 can according to 7 size of chain wheel for hawse pipe and 6 size of anchor chain to
Right adjustment, theoretically anchor chain support 5 is more turned right, more laborsaving.
Preferably, 7 specification of chain wheel for hawse pipe should be matched with 6 specification of anchor chain, i.e. each groove of chain wheel for hawse pipe 7 should be just
A chain link is put down well.
Multi-buoy mooring system anchor chain lifting device described in the utility model, the course of work can by the movement of hydraulic cylinder 2
It is divided into two periods:
Rising stage: the hydraulic cylinder 2 passes through axis connection, the closed and locked anchor chain 6 of anchor chain retainer 3 with swing arm 4.Hydraulic cylinder
2 rise, and the anchor chain retainer 3 opens, and drive swing arm 4 to realize that 60 ° of angles rotate around chain wheel for hawse pipe wheel shaft, the swing arm 4
It forms cooperation with chain wheel for hawse pipe 7 while rotation and coaxially rotates 60 ° together；There is an anchor chain support 55 on the swing arm 4, with
For swing arm 4 by axis connection, anchor chain support 5 can realize the rotation of certain angle, hold up chain link, so that anchor chain 6 is with swing arm 4 and leads
The rotation of chain idler wheel 7 and rise.
The decline phase: hydraulic cylinder 2 declines, and swing arm 4 and chain wheel for hawse pipe 7 are detached from and cooperate, and anchor chain retainer 3 is closed, and locks anchor
Chain 6, anchor chain support 5 are detached from chain link, and swing arm 4 returns to initial position.
As shown in Figures 1 to 4, a kind of operating method of above-mentioned multi-buoy mooring system anchor chain lifting device, including following step
It is rapid:
S1, control anchor chain support 5 hold up the chain link of anchor chain 6, and anchor chain retainer 3 decontrols anchor chain.
S2, the piston rod for controlling hydraulic cylinder 2 rise, and drive during swing arm 4, chain wheel for hawse pipe 7 with chain wheel for hawse pipe wheel shaft 11 be
The heart rotates clockwise 60 °, and anchor chain 6 is promoted.
S3, control anchor chain retainer 3 lock anchor chain 6, and anchor chain support 5 decontrols anchor chain 6.
S4, the piston rod downlink for controlling hydraulic cylinder 2 drive swing arm 4 to turn counterclockwise centered on chain wheel for hawse pipe wheel shaft 11
It is 60 ° dynamic, at this point, chain wheel for hawse pipe 7 and anchor chain 6 are static.
S5, above step is repeated, anchor chain 6 is made to get a promotion.
Multi-buoy mooring system anchor chain lifting device described in the utility model and its operating method, using hydraulic system, tool
There is the characteristics of energy conservation and environmental protection.Structure is simple, can adjust the position of chain support on a swing arm according to the actual situation to control hydraulic cylinder
Stress.There is stronger precision, stability and reliability using HYDRAULIC CONTROL SYSTEM.Anchor chain can be recycled as unit of chain link,
Reach enough recycling precision, can accurately control the length of recycling anchor chain.
The utility model is suitble in semisubmersible platform and FPSO (Floating Production based on the above reasons
Storage andOffshore Units, floating type production, storage and offloading device) it uses in multi-buoy mooring system.
The utility model major advantage, features simple structure, in Global Oil recessed market, the case where market prospects allow of no optimist
Under, the effectively save manufacture of energy and operation cost, whole system is succinct, hydraulic system high degree of automation, and performance safety is reliable.This
Utility model can accurately control the length of anchor chain recycling as unit of chain link.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (6)
1. a kind of multi-buoy mooring system anchor chain lifting device characterized by comprising rack, the rack is with deck in one
Framework；
The rack top is equipped with the turning end of chain wheel for hawse pipe and swing arm by chain wheel for hawse pipe wheel shaft, sets on the deck
It is equipped with anchor chain retainer, anchor chain passes through anchor chain retainer and is engaged on the chain wheel for hawse pipe；
Hydraulic cylinder is provided with by shaft in the rack, the piston rod front end of the hydraulic cylinder is connected with swing by shaft
The driving end of arm；
Anchor chain support is provided with by shaft in the middle part of the swing arm；
When the hydraulic cylinder works are stretched out, the anchor chain retainer unclamps anchor chain, and anchor chain support holds up anchor chain, the work of hydraulic cylinder front end
Stopper rod drives swing arm to rotate clockwise centered on the chain wheel for hawse pipe wheel shaft, and chain wheel for hawse pipe wheel shaft and guide chain is driven to roll
Wheel rotates clockwise；
When the hydraulic cylinder works retract, the anchor chain retainer locks anchor chain, and anchor chain props up out anchor chain, the work of hydraulic cylinder front end
Stopper rod drives swing arm to rotate counterclockwise centered on the chain wheel for hawse pipe wheel shaft, and chain wheel for hawse pipe wheel shaft and chain wheel for hawse pipe are motionless.
2. multi-buoy mooring system anchor chain lifting device according to claim 1, which is characterized in that
The rack includes two pieces of triangular baffles and four pieces of triangle fixed plates, and two pieces of triangular baffles are arranged side by side in the first
On plate, it is respectively set that there are two the triangle fixed plates for reinforcing on the outside of each triangular baffle.
3. multi-buoy mooring system anchor chain lifting device according to claim 2, which is characterized in that
The chain wheel for hawse pipe wheel shaft is assemblied on the triangle end at the top of two triangular baffles；
The chain wheel for hawse pipe wheel shaft is welded and fixed or is interference fitted with the triangular baffle top and is connected and fixed.
4. multi-buoy mooring system anchor chain lifting device according to claim 2, which is characterized in that
The triangular baffle and triangle fixed plate are fixedly welded on the deck.
5. multi-buoy mooring system anchor chain lifting device according to claim 1, which is characterized in that
When the hydraulic cylinder works are stretched out, the piston rod of hydraulic cylinder front end drives swing arm centered on the chain wheel for hawse pipe wheel shaft
Rotate clockwise 60 °；
The chain wheel for hawse pipe is hexagon chain wheel for hawse pipe.
6. multi-buoy mooring system anchor chain lifting device according to claim 1, which is characterized in that
Clutch is provided between the chain wheel for hawse pipe wheel shaft and the turning end of swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822166618.1U CN209208981U (en) | 2018-12-21 | 2018-12-21 | Multi-buoy mooring system anchor chain lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822166618.1U CN209208981U (en) | 2018-12-21 | 2018-12-21 | Multi-buoy mooring system anchor chain lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209208981U true CN209208981U (en) | 2019-08-06 |
Family
ID=67465754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822166618.1U Active CN209208981U (en) | 2018-12-21 | 2018-12-21 | Multi-buoy mooring system anchor chain lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209208981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436206A (en) * | 2018-12-21 | 2019-03-08 | 大连海事大学 | Multi-buoy mooring system anchor chain lifting device and its operating method |
-
2018
- 2018-12-21 CN CN201822166618.1U patent/CN209208981U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436206A (en) * | 2018-12-21 | 2019-03-08 | 大连海事大学 | Multi-buoy mooring system anchor chain lifting device and its operating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10081988B2 (en) | Heave compensation winches | |
| CN108275609B (en) | For mach lifting platform | |
| CN109098675A (en) | A kind of deep compensation device of passive type deep-sea liter for ocean platform drilling well | |
| CN104828721B (en) | Self-balancing compensates system, ship's crane and control method thereof | |
| CN209208981U (en) | Multi-buoy mooring system anchor chain lifting device | |
| CN206957578U (en) | A kind of piling machine for building with anti-fracture function | |
| CN107420042B (en) | Automatic leveling system of submarine drilling rig based on six-degree-of-freedom parallel mechanism | |
| CN109436206A (en) | Multi-buoy mooring system anchor chain lifting device and its operating method | |
| CN105714750B (en) | A kind of step type hydraulic latch elevating mechanism | |
| EP3155206A2 (en) | Winches and hoisting systems with heave compensation | |
| CN113879472A (en) | Semi-submersible drilling platform system with pose compensation capability and control method | |
| CN111332409A (en) | Chain stopper and using method thereof | |
| CN103950846B (en) | A kind of control device of heave compensator | |
| CN107354929A (en) | A kind of lowering or hoisting gear and hoistable platform | |
| CN206818754U (en) | A kind of antenna measurement platform | |
| CN203515386U (en) | Power rat hole | |
| CN108529514B (en) | The continuous jacking system of spiral bolt-type and its elevating method for offshore platform | |
| CN115184059B (en) | Winch type heave compensation experiment table based on four-quadrant motor and working method thereof | |
| CN109160460B (en) | Marine crankshaft V-shaped detection and adjustment device | |
| CN208453197U (en) | A kind of wave subduer for moon pool area | |
| CN106769153A (en) | Ship's crane automatic experiment system | |
| CN207598220U (en) | A kind of drill string heave compensator for marine drilling platform | |
| CN207231761U (en) | Multifunctional bolt group multi-function test stand | |
| CN206071486U (en) | The electronic heave compensation system of four rope of one kind | |
| CN115789008A (en) | Control method for stroke tail end of erecting hydraulic cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |