CN114906291A - Buffer device for offshore operation and maintenance ship - Google Patents
Buffer device for offshore operation and maintenance ship Download PDFInfo
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- CN114906291A CN114906291A CN202210648717.1A CN202210648717A CN114906291A CN 114906291 A CN114906291 A CN 114906291A CN 202210648717 A CN202210648717 A CN 202210648717A CN 114906291 A CN114906291 A CN 114906291A
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- buffer
- maintenance
- offshore
- maintenance ship
- movable rod
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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
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/18—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage
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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
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/18—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage
- B63B2043/185—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage using shock absorbing telescoping buffers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Chemical & Material Sciences (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention relates to the field of buffer protection of offshore operation and maintenance ships, in particular to a buffer device of an offshore operation and maintenance ship. When the operation and maintenance ship main body is close to the offshore platform, the rotating mechanism can drive the buffer device to rotate, the buffer device rotates to the front of the operation and maintenance ship main body, and a certain buffer effect is generated when the buffer device is abutted to the offshore platform; when the fortune dimension ship main part normally traveles, rotary mechanism can drive the rotatory storage of buffer, reduces the resistance that buffer produced to fortune dimension ship main part in-process.
Description
Technical Field
The invention relates to the field of buffer protection of offshore operation and maintenance ships, in particular to a buffer device of an offshore operation and maintenance ship.
Background
The operation and maintenance ship is an important transportation operation and maintenance tool for offshore equipment construction, operation and maintenance. The marine operation and maintenance ship is mainly divided into six types: the system comprises a common operation and maintenance ship, a catamaran operation and maintenance ship, a high-speed professional catamaran operation and maintenance ship, an operation and maintenance mother ship, a residential ship and a self-elevating operation and maintenance ship; among the application types of the operation and maintenance ship, the common operation and maintenance ship which can rapidly transport operation and maintenance personnel and small parts to offshore equipment is most widely applied. The ordinary operation and maintenance ship is poor in wind and wave resistance due to the small size, when the ships are close to offshore equipment, the ships are inevitably vibrated and swayed under the action of the sea wind and waves, so that a conveying piece lapped between the operation and maintenance ship and the offshore equipment can move along with the operation and maintenance ship, the difficulty of maintenance personnel getting on the offshore equipment from the operation and maintenance ship is increased, and the falling condition of the operation and maintenance personnel due to falling injury is easily caused.
In the prior art, a buffer protection structure of an operation and maintenance ship is arranged in front of the operation and maintenance ship, can achieve a certain buffer effect, and can generate large resistance to the operation and maintenance ship when the operation and maintenance ship moves forwards and turns.
Disclosure of Invention
The invention aims to provide a buffer device of an offshore operation and maintenance ship, which is used for solving the technical problem that the buffer structure of the operation and maintenance ship obstructs the running of the operation and maintenance ship.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an offshore fortune dimension ship buffer, includes fortune dimension ship main part and buffer, its characterized in that, install rotatable rotary mechanism in the fortune dimension ship main part, buffer's one end is connected with rotary mechanism, and the other end is for being used for the free end of butt offshore platform.
When the operation and maintenance ship body approaches to the offshore platform, the rotating mechanism can drive the buffer device to rotate, the buffer device rotates to the front of the operation and maintenance ship body, and the buffer device generates a certain buffer effect when being abutted against the offshore platform; and when the operation and maintenance ship main part normally traveles, rotary mechanism can drive buffer and rotate and accomodate, reduces the buffer and to the resistance that the operation and maintenance ship main part travel in-process produced.
As a preferred scheme of the invention, the buffer device comprises a sleeve plate and a movable rod, wherein one end of the movable rod is in sliding insertion connection with the sleeve plate, and the other end of the movable rod is a free end; the sleeve plate is fixedly connected with the rotating mechanism, and the movable rod is sleeved with a return spring.
When the operation and maintenance ship body is close to the offshore platform, the rotating mechanism drives the sleeve plate to rotate so that the movable rod rotates towards one side close to the offshore platform, one end of the free end of the movable rod is mutually abutted to the offshore platform, and the movable rod is sleeved with a return spring with elastic deformation performance so as to buffer the vibration generated by collision; after fortune dimension work, rotary mechanism drives the lagging rotation and makes the movable rod rotatory to fortune dimension ship main part one side, and the movable rod can be accomodate in both sides of fortune dimension ship main part hull, and fortune dimension ship main part is navigated back. Preferably, the axial direction of the movable rod is kept level with the deck of fortune dimension ship main part, and the movable rod can fully butt with offshore platform.
In a preferred embodiment of the present invention, a through hole is formed in the center of the sleeve plate, and the diameter of the cross section of the movable rod is equal to the diameter of the through hole.
The through-hole at movable rod and lagging center closely cooperates, avoids the movable rod to rock in the through-hole, influences the butt effect of movable rod and offshore platform.
As a preferable scheme of the invention, a buffer plate used for being abutted against the offshore platform is arranged at the top end of the free end of the movable rod, the return spring is arranged between the sleeve plate and the buffer plate, and two ends of the return spring are fixedly connected with the sleeve plate and the buffer plate.
The buffer plate is provided with a buffer plate which can increase the stress area when the free end of the movable rod is abutted against the offshore platform, so that the loss of the movable rod can be reduced; the return spring has elastic deformation performance, when the return spring is acted by an external force, the return spring generates elastic deformation in the sliding extrusion process along the movable rod, the process has certain buffering effect, and preferably, the return spring is spiral; through both ends and the equal fixed connection's of lagging and buffer board mode, reset spring's home range is restricted between lagging and buffer board, can avoid like this reset spring to produce when buffer rotates and rock, influences the stationarity of hull operation in-process.
As a preferable scheme of the present invention, a bolt is disposed at a terminal of the movable rod near one end of the sleeve plate, and a length of the bolt in a longitudinal direction is greater than a hole diameter of the through hole of the sleeve plate.
The bolt can effectively prevent the movable rod from falling off from the sleeve plate in the sliding process along the through hole.
As a preferable aspect of the present invention, the abutting end of the buffer plate is provided with a buffer layer.
Be provided with the buffer layer on the buffer board, alleviate the hard butt joint between buffer board and the offshore platform, the buffer layer can reduce the loss of buffer board, prolongs its life cycle. Preferably, the buffer layer can be removed or replaced according to actual needs.
As a preferable scheme of the present invention, the rotating mechanism includes a rotating shaft and a servo motor for supplying power to the rotating shaft, the rotating shaft is connected to the operation and maintenance ship body, and the rotating shaft is fixedly welded to the strap plate.
The servo motor can provide power for the rotation of the rotating shaft, and the rotating shaft drives the sleeve plate to rotate so that the whole buffering device rotates, and therefore the rotating function of the rotating mechanism is achieved.
As a preferred scheme of the invention, the buffer device comprises a connecting plate and a telescopic rod, one end of the telescopic rod is fixedly connected with the connecting plate, and the other end of the telescopic rod is a free end used for abutting against the offshore platform; the connecting plate is fixedly connected with the rotating mechanism.
The buffer device can also be composed of a connecting plate and a telescopic rod; the telescopic rod comprises a rigid part and an elastic part, and when the telescopic rod is subjected to external force, the elastic part can generate elastic deformation, so that a certain buffering effect is achieved in the process; the top end of the free end of the telescopic rod can be provided with a buffer material which is used for being abutted against the offshore platform, so that the purpose of reducing the loss of the telescopic rod is achieved.
As a preferable scheme of the invention, the buffer device is provided with a plurality of groups, and the groups are respectively and symmetrically arranged on two sides of the hull of the operation and maintenance ship body.
Buffer sets up in the hull both sides of fortune dimension ship main part, keeps the holistic relative balanced state of hull, and buffer can set up the plural number group, can set up different group's number according to the size and the actual conditions needs of fortune dimension ship main part.
In a preferred embodiment of the present invention, the operation and maintenance ship body is provided with a conveying member.
The function of the transportation piece is to connect the operation and maintenance ship body and the offshore platform, and operation and maintenance personnel can reach the offshore platform through the transportation piece to carry out operation and maintenance operation. Preferably, the transfer member may be a landing ladder hinged to the body of the maintenance vessel.
Compared with the prior art, the invention has the beneficial effects that:
according to the buffer device of the offshore operation and maintenance ship, the buffer device is arranged between the operation and maintenance ship body and the offshore platform, and the buffer device can extrude the return spring in the buffer device when contacting with the offshore platform, so that a buffering effect can be achieved, a damping effect can be achieved when the operation and maintenance ship body contacts with the offshore platform, the operation and maintenance ship body and the offshore platform are effectively protected, and meanwhile, a favorable condition is provided for operation of operation and maintenance personnel for landing on the offshore platform.
The rotating mechanism can drive the buffer device to rotate so as to generate two effects: one of the two is unfolded when the operation and maintenance ship body approaches to the offshore platform, and the buffering effect is achieved by utilizing the elastic deformation performance of the operation and maintenance ship body; and the second mode is stored when the operation and maintenance ship body normally runs, so that the resistance of the operation and maintenance ship body is reduced.
Drawings
FIG. 1 is a schematic diagram of the buffer device of the offshore operation and maintenance ship of the present invention abutting against an offshore platform;
FIG. 2 is an enlarged partial view of the movable rod shown in part A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the ship body and the buffer device after being connected;
FIG. 4 is a schematic structural view illustrating the storage effect of the buffering device according to the present invention;
FIG. 5 is a schematic structural view of a rotating mechanism according to the present invention;
fig. 6 is a partially enlarged structural schematic view of the portion a in fig. 1 being a telescopic rod.
In the drawings: 1. a maintenance ship body; 2. a buffer device; 21. sheathing; 22. a movable rod; 23. a return spring; 24. a buffer plate; 25. a bolt; 26. a telescopic rod; 27. a connecting plate 3 and a rotating mechanism; 4. an offshore platform; 41. a guardrail; 5. and a conveying member.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1
Fig. 1 to 5 show a first embodiment of a buffer device for an offshore operation and maintenance ship according to the present invention, which includes: fortune dimension ship main part 1 and buffer 2 install rotatable rotary mechanism 3 on the fortune dimension ship main part 1, and buffer 2's one end is connected with rotary mechanism 3, and the other end is for being used for the free end of butt offshore platform 4.
In the embodiment, as shown in fig. 1, when the operation and maintenance ship body 1 approaches the offshore platform 4, the rotating mechanism 3 can drive the buffer device 2 to rotate, the buffer device 2 rotates to the front of the operation and maintenance ship body 1, and the buffer device 2 generates a certain buffer effect when abutting against the offshore platform 4; and when fortune dimension ship body 1 normally traveles, as shown in fig. 4, rotary mechanism 3 can drive buffer 2 rotatory accomodating, reduces buffer 2 to the resistance that fortune dimension ship body 1 travel in-process produced.
Example 2
Fig. 1 to 5 show a second embodiment of a buffering device for an offshore operation and maintenance ship according to the present invention, which is similar to the first embodiment, except that:
the buffer device 2 comprises a sleeve plate 21 and a movable rod 22, one end of the movable rod 22 is inserted into the sleeve plate 21 in a sliding mode, and the other end of the movable rod is a free end; the sleeve plate 21 is fixedly connected with the rotating mechanism 3, and the movable rod is sleeved with a return spring 23.
In addition, a through hole is arranged in the center of the sleeve plate 21, and the section diameter of the movable rod 22 is equal to the aperture of the through hole.
Wherein, the top of the free end of the movable rod 22 is provided with a buffer plate 24 used for abutting against the offshore platform, the return spring 23 is arranged between the sleeve plate 21 and the buffer plate 24, and two ends of the return spring 23 are fixedly connected with the sleeve plate 21 and the buffer plate 24.
In addition, the end of the movable rod 22 near one end of the sleeve plate 21 is provided with a plug 25, and the length of the plug 25 in the longitudinal direction is greater than the aperture of the through hole of the sleeve plate 21.
Wherein, the abutting end of the buffer plate 24 is provided with a buffer layer.
In addition, the rotating mechanism 3 comprises a rotating shaft 31 and a servo motor 32 for providing power for the rotating shaft 31, the rotating shaft 31 is connected with the operation and maintenance ship body 1, and the rotating shaft 31 is fixedly welded with the sleeve plate 21.
Wherein, buffer is provided with the plural number group, respectively the symmetry install the hull both sides at the fortune dimension ship body.
In this embodiment, as shown in fig. 4, when the operation and maintenance ship body 1 is close to the offshore platform 4, the rotating mechanism 3 drives the sleeve plate 21 to rotate, so that the movable rod 22 rotates to one side close to the offshore platform 4, so that the movable rod 22 and the offshore platform 4 are abutted against each other, and the movable rod 22 is sleeved with the elastically deformable return spring 23 to buffer the vibration generated by collision; after fortune dimension work, rotary mechanism 3 drives the lagging 21 rotation and makes movable rod 22 rotatory to fortune dimension ship main part 1 one side, and movable rod 22 can be accomodate in both sides of fortune dimension ship main part 1 hull, and fortune dimension ship main part 1 returns to voyage. Preferably, the axial direction of the movable rod 22 is flush with the deck of the maintenance vessel body 1, and the movable rod 22 can be sufficiently abutted against the offshore platform 4.
Wherein, the through-hole at activity pole 22 and lagging 21 center closely cooperates, avoids activity pole 22 to rock in the through-hole, influences the butt effect of activity pole 22 and offshore platform 4.
In addition, the buffer plate 24 has the function of increasing the stress area when the free end of the movable rod 22 is abutted with the offshore platform 4, so that the loss of the movable rod 22 can be reduced; the return spring 23 has elastic deformation performance, when the return spring 23 is acted by external force, the return spring 23 generates elastic deformation in the sliding extrusion process along the movable rod 22, the process has certain buffering effect, and preferably, the return spring 23 is spiral; through both ends and the equal fixed connection's of lagging and buffer board mode, reset spring 23's home range is restricted between lagging 21 and buffer board 24, can avoid reset spring 23 to produce when buffer 2 rotates like this and rock, influence the stationarity of hull operation in-process.
Wherein the latch 25 can effectively prevent the movable rod 22 from falling off from the strap during sliding along the through hole.
In addition, the buffer plate 24 is provided with a buffer layer, so that hard butt joint between the buffer plate 24 and the offshore platform 4 is reduced, the loss of the buffer plate 24 can be reduced by the buffer layer, and the service cycle of the buffer plate is prolonged. Preferably, the buffer layer can be removed or replaced according to actual needs.
Wherein, servo motor 32 can provide power for the rotation of rotation axis 31, and rotation axis 31 makes whole buffer 2 rotatory through driving the lagging 21 rotation to realize rotary mechanism 2's rotation function.
In addition, buffer 2 symmetry sets up in the hull both sides of fortune dimension ship main part 1, keeps the holistic relative balanced state of hull, and buffer 2 can set up the plural number group, can set up different group's number according to fortune dimension ship main part 1's size and actual conditions needs.
In this embodiment, the specific working principle of the buffer device 2 is as follows:
as shown in fig. 2, when the operation and maintenance ship body 1 approaches the offshore platform 4 and the buffer plate 24 of the buffer device 2 abuts against the offshore platform 4, the return spring 23 is pressed and returned by the buffer plate 24 during sliding along the movable rod 22, thereby generating a buffer effect.
Example 3
Fig. 6 shows a third embodiment of a buffering device for an offshore operation and maintenance ship according to the present invention, which is similar to the first embodiment, except that:
the buffer device 2 comprises a connecting plate 27 and an expansion link 26, one end of the expansion link 26 is fixedly connected with the connecting plate 27, and the other end is a free end used for abutting against the offshore platform 4; the connecting plate 27 is fixedly connected with the rotating mechanism 3.
In addition, the operation and maintenance ship body 1 is provided with a conveying member 5.
In this embodiment, as shown in fig. 6, the buffer device 2 may also be composed of a connecting plate 27 and an expansion link 26; the telescopic rod 26 comprises a rigid part and an elastic part, and when the telescopic rod is subjected to external force, the elastic part can generate elastic deformation, so that a certain buffering effect is achieved in the process; the top end of the free end of the telescopic rod 26 can also be provided with a buffer material for abutting against the offshore platform 4, so as to achieve the purpose of reducing the loss of the telescopic rod 26.
As shown in fig. 1, the transportation member 5 is used for connecting the operation and maintenance ship body 1 and the offshore platform, and operation and maintenance personnel can reach the offshore platform 4 through the transportation member 5 to perform operation and maintenance work; the transport element 5 may be a landing ladder hinged to the vessel body 1.
In addition, the offshore platform 4 is provided with the guardrail 41, the periphery of the guardrail 41 is connected with the life buoy through the fixing ring, and the life buoy and the protection facility formed by the guardrail 41 ensure the personal safety of the operation and maintenance personnel working on the offshore platform, so that corresponding self-rescue measures can be taken aiming at sudden accidents, and more time is won for waiting for rescue.
Wherein, fortune dimension ship body 1 top is close to offshore platform 4 one side and articulates and installs transfer 5, and fortune dimension personnel enter into and maintain on offshore platform 4 through transfer 5. The hinge angle of the conveying piece 5 can be adjusted, and an appropriate angle can be adjusted according to actual conditions, so that operation and maintenance personnel can smoothly climb on the offshore platform 4. The transportation piece 5 can vibrate and sway along with the operation and maintenance ship body 1, and when the operation and maintenance ship body 1 is close to the offshore platform 4 under the action of waves, the buffer device 2 is in the reciprocating butt joint process on the offshore platform 4, so that the operation and maintenance ship body 1 and the offshore platform 4 can keep a certain safety distance, the swing amplitude of the transportation piece 5 is reduced, and the stability is improved.
In this embodiment, the specific working principle of the buffer device 2 is as follows:
as shown in fig. 3, when the maintenance ship body 1 approaches the offshore platform 4 and the free end of the telescopic rod 26 of the damper device 2 abuts against the offshore platform 4, the telescopic rod 26 absorbs the shock due to the collision by its elastic structure.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an offshore operation and maintenance ship buffer, includes operation and maintenance ship main part (1) and buffer (2), its characterized in that, install rotatable rotary mechanism (3) on operation and maintenance ship main part (1), the one end and the rotary mechanism (3) of buffer (2) are connected, and the other end is for being used for the free end of butt offshore platform (4).
2. A buffer device for an offshore operation and maintenance ship according to claim 1, characterized in that the buffer device (2) comprises a sleeve plate (21) and a movable rod (22), one end of the movable rod (22) is slidably inserted into the sleeve plate (21), and the other end is a free end; the sleeve plate (21) is fixedly connected with the rotating mechanism (3), and the movable rod is sleeved with a return spring (23).
3. An offshore operation and maintenance ship damping device according to claim 2, characterized in that the sleeve plate (21) is centrally provided with a through hole, and the cross-sectional diameter of the movable rod (22) is equal to the diameter of the through hole.
4. An offshore operation and maintenance ship buffer device according to claim 3, characterized in that the top end of the free end of the movable rod (22) is provided with a buffer plate (24) for abutting against the offshore platform, the return spring (23) is arranged between the sleeve plate (21) and the buffer plate (24), and both ends of the return spring (23) are fixedly connected with the sleeve plate (21) and the buffer plate (24).
5. A buffer device for an offshore operation and maintenance ship according to claim 3, characterized in that the end of the movable rod (22) near one end of the sleeve plate (21) is provided with a plug pin (25), and the length of the plug pin (25) in the longitudinal direction is larger than the aperture of the through hole of the sleeve plate (21).
6. An offshore operation and maintenance vessel damping device according to claim 4, characterized in that the abutting ends of the damping plates (24) are provided with damping layers.
7. An offshore operation and maintenance ship buffer device according to claim 2, characterized in that the rotating mechanism (3) comprises a rotating shaft (31) and a servo motor (32) for providing power for the rotating shaft (31), the rotating shaft (31) is connected with the operation and maintenance ship body (1), and the rotating shaft (31) is fixedly welded with the sleeve plate (21).
8. An offshore operation and maintenance vessel damping device according to claim 1, characterized in that the damping device (2) comprises a connecting plate (27) and a telescopic rod (26), one end of the telescopic rod (26) is fixedly connected with the connecting plate (27), and the other end is a free end for abutting against the offshore platform (4); the connecting plate (27) is fixedly connected with the rotating mechanism (3).
9. An offshore operation and maintenance ship buffer device according to claim 1, characterized in that the buffer device (2) is provided with a plurality of groups, and the groups are symmetrically arranged on two sides of the ship body of the operation and maintenance ship body (1).
10. An offshore operation and maintenance vessel buffer device according to claim 1, characterized in that the operation and maintenance vessel body is provided with a transfer member (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210648717.1A CN114906291A (en) | 2022-06-09 | 2022-06-09 | Buffer device for offshore operation and maintenance ship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210648717.1A CN114906291A (en) | 2022-06-09 | 2022-06-09 | Buffer device for offshore operation and maintenance ship |
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| CN114906291A true CN114906291A (en) | 2022-08-16 |
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| CN202210648717.1A Pending CN114906291A (en) | 2022-06-09 | 2022-06-09 | Buffer device for offshore operation and maintenance ship |
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| CN111268049A (en) * | 2020-04-14 | 2020-06-12 | 义乌哒林船舶有限公司 | Auxiliary ship shore-approaching device |
| CN111891311A (en) * | 2020-08-10 | 2020-11-06 | 广东海洋大学 | Anti-collision device used as lifeboat and used for ships based on navigation |
| CN111994221A (en) * | 2020-08-31 | 2020-11-27 | 合肥森印科技有限公司 | Ship body protection device |
| CN112224348A (en) * | 2020-08-31 | 2021-01-15 | 长江三峡集团福建能源投资有限公司 | Offshore wind power operation and maintenance ship |
| CN213502832U (en) * | 2020-10-19 | 2021-06-22 | 江苏丰能海服科技有限公司 | Wind-powered electricity generation fortune dimension ship protector |
| CN214451718U (en) * | 2021-03-26 | 2021-10-22 | 江苏丰能海服科技有限公司 | Hull buffering protection structure of wind power operation and maintenance ship |
| CN216003016U (en) * | 2021-07-28 | 2022-03-11 | 大连海通达船舶工程有限公司 | Adjustable boats and ships anticollision equipment |
| CN114560044A (en) * | 2022-02-14 | 2022-05-31 | 福建海电运维科技有限责任公司 | Marine wind power fortune dimension ship top leans on buffer |
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