CN112224347A - Ship boarding interface device - Google Patents
Ship boarding interface device Download PDFInfo
- Publication number
- CN112224347A CN112224347A CN202011108799.8A CN202011108799A CN112224347A CN 112224347 A CN112224347 A CN 112224347A CN 202011108799 A CN202011108799 A CN 202011108799A CN 112224347 A CN112224347 A CN 112224347A
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- plate
- fixed
- worm
- shaped
- mounting
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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
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
- B63B27/146—Pilot ladders or similar outboard ladders, e.g. bathing ladders; Pilot lifts
Abstract
The invention discloses a ship boarding interface device, which comprises a mounting plate, a turntable bearing, a rotary drum, a connecting plate, a worm gear ring, a U-shaped plate, a worm, a fixed block, a driven bevel gear, a rotating motor and a driving bevel gear, wherein the turntable bearing is arranged on the upper surface of the mounting plate, an inner ring of the turntable bearing is fixedly connected with the mounting plate through a bolt, the rotary drum is fixedly arranged on the upper surface of an outer ring of the turntable bearing through a bolt, the connecting plate is fixedly arranged at the top of the rotary drum, the worm gear ring is fixedly arranged on the outer side of the outer ring of the turntable bearing, the U-shaped plate is fixedly arranged at one end of the upper surface of the mounting plate, and the worm is rotatably connected with one side of the U-shaped plate through the bearing, the hook of the gangway ladder is separated from the connecting rod, so that the safety is improved, and the gangway ladder is convenient for people to use.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a ship boarding interface device.
Background
Ships, a collective term for various ships. A ship is a vehicle which can be sailed or moored in a water area for transportation or operation, and has different technical performances, equipment and structural types according to different use requirements. A ship is a man-made vehicle that operates primarily in geographic water. In addition, a civil ship is generally called a ship, a military ship is called a ship, and a small-sized ship is called a boat or a boat, which is collectively called a ship or a boat. The interior mainly comprises a containment space, a support structure and a drainage structure, with a propulsion system using an external or self-contained energy source. The appearance is generally favorable for overcoming the streamline envelope of fluid resistance, the materials are continuously updated along with the technological progress, the early stage are natural materials such as wood, bamboo, hemp and the like, the modern ships are mostly made of steel materials, aluminum, glass fiber, acrylic and various composite materials, the ships are usually used for getting on or off, the gangway ladder is usually arranged in parallel with the ship body when being installed, thus an interface device is needed to connect the gangway ladder so as to facilitate people to land on the ship, the existing ship boarding interface device has a simple structure, the interface device is inconvenient to extend out or retract to the deck, when the distance between the ship body and the shore is too large after the ship is in the shore, the interface angle of the interface device cannot be adjusted by people, the installation and the placement of the gangway ladder are inconvenient, and when the existing interface device is connected with a rotary ladder, the gangway ladder is directly hung on the interface device, when the ship body shakes, the gangway ladder is easily separated from the interface device, and potential safety hazards exist. To this end, a ship boarding interface device is proposed.
Disclosure of Invention
The present invention is directed to a ship boarding interface device, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a ship boarding interface device comprises a mounting plate, a turntable bearing, a rotary drum, a connecting plate, a worm gear ring, a U-shaped plate, a worm, a fixed block, a driven bevel gear, a rotary motor and a driving bevel gear, wherein the turntable bearing is arranged on the upper surface of the mounting plate, the inner ring of the turntable bearing is fixedly connected with the mounting plate through a bolt, the rotary drum is fixed on the upper surface of the outer ring of the turntable bearing through a bolt, the connecting plate is fixed on the top of the rotary drum, the worm gear ring is fixed on the outer side of the outer ring of the turntable bearing, the U-shaped plate is fixed at one end of the upper surface of the mounting plate, the worm is rotatably connected with one side of the U-shaped plate through a bearing, the fixed block is fixed at one end of the upper surface of the mounting plate, which is far away from the U-shaped plate, and a rotating motor is fixed at the top of the U-shaped plate, the output end of the rotating motor penetrates through the U-shaped plate and is fixed with a driving bevel gear, and the driving bevel gear is meshed and connected with a driven bevel gear.
Preferably, a first fixing plate is fixed at one end of the connecting plate, mounting blocks are symmetrically fixed at the lower end of one side of the first fixing plate, which is far away from the connecting plate, of the lower end, a connecting rod is fixed in the middle of the two mounting blocks on the first fixing plate, a sliding hole is formed in the upper end of the first fixing plate, a limiting plate is connected to the inner wall of the sliding hole in a sliding manner, the limiting plate is connected to the connecting plate in a sliding manner, a U-shaped clamping plate is fixed at one end of the lower surface of the connecting plate, which is close to the limiting plate, and is connected to the inner wall of the U-shaped clamping plate in a sliding manner, a second fixing plate is fixed at one end of the lower surface of the connecting plate, which is far away from the first fixing plate, a threaded sleeve is fixed at one end of the lower surface of the limiting plate, which is close, and the output end of the driving motor is fixedly connected with the threaded rod.
Preferably, a reinforcing plate is fixed on one side of the rotary drum and fixedly connected with the lower surface of the connecting plate.
Preferably, the four corners of the mounting plate are provided with mounting holes.
Preferably, a guardrail is fixed on the upper surface of the connecting plate.
Preferably, the lower surface of the limiting plate is symmetrically fixed with sliding blocks at one end close to the threaded sleeve, the middle parts of the sliding blocks are connected with guide rods in a sliding mode through guide sleeves, and two ends of each guide rod are fixedly connected with the U-shaped clamping plate and the second fixing plate respectively.
Preferably, the rotating motor and the driving motor are both a reduction motor.
Compared with the prior art, the invention has the beneficial effects that:
1. when the ship boarding device is used, the mounting plate is fixed on a deck of a ship through bolts and is close to a side part, at the moment, people control the rotating motor to rotate through the controller, so that the driving bevel gear is driven to rotate, the driven bevel gear drives the worm to rotate, the worm is meshed with the worm gear ring, so that the worm gear ring is driven to rotate, so that the outer ring of the turntable bearing is driven to rotate, the outer ring of the turntable bearing drives the rotating drum to rotate, so that the connecting plate is driven to rotate, the connecting plate rotates from a position parallel to a ship body to a position vertical to the ship body, at the moment, the rotating motor stops rotating, people can hang the connecting hook of the gangway on the connecting rod, people can board the ship through the gangway and the connecting plate, the rotating drum can rotate any position, so that an included angle which is larger than 90 degrees, the gangway ladder can be placed in a position far away from the ship body with the one end in contact with land, when the space between the ship body and the land is large, the gangway ladder cannot be stably placed on the land, the device is convenient for stretching out and withdrawing of the connecting plate, and when the space between the ship body and the land is large, the gangway ladder cannot be stably placed on the land, and people can use the gangway ladder conveniently.
2. According to the invention, after the rotary ladder is hung on the connecting rod, the driving motor rotates at the moment to drive the threaded rod to rotate, so that the threaded rod drives the threaded sleeve to move on the threaded rod, and further drives the limiting plate to slowly slide out of the first fixing plate, one end of the limiting plate is clamped above the connecting rod, and the hook of the gangway ladder is limited, so that the hook of the gangway ladder is prevented from being separated from the connecting rod when a ship slides, and the limiting plate can be used as a step, so that people can conveniently board on the connecting plate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the worm of the present invention;
FIG. 3 is a schematic view of a U-shaped clip of the present invention.
In the figure: 1. mounting a plate; 2. a turntable bearing; 3. a rotating drum; 4. a connecting plate; 5. a worm-gear ring; 6. a U-shaped plate; 7. a worm; 8. a fixed block; 9. a driven bevel gear; 10. a rotating electric machine; 11. a drive bevel gear; 12. a first fixing plate; 13. mounting blocks; 14. a connecting rod; 15. a reinforcing plate; 16. mounting holes; 17. a guardrail; 18. a limiting plate; 19. a U-shaped clamping plate; 20. a second fixing plate; 21. a threaded sleeve; 22. a threaded rod; 23. a drive motor; 24. a slider; 25. a guide rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a ship boarding interface device comprises a mounting plate 1, a turntable bearing 2, a rotary drum 3, a connecting plate 4, a worm gear ring 5, a U-shaped plate 6, a worm 7, a fixed block 8, a driven bevel gear 9, a rotating motor 10 and a driving bevel gear 11, wherein the upper surface of the mounting plate 1 is provided with the turntable bearing 2, an inner ring of the turntable bearing 2 is fixedly connected with the mounting plate 1 through bolts, the upper surface of an outer ring of the turntable bearing 2 is fixedly provided with the rotary drum 3 through bolts, the top of the rotary drum 3 is fixedly provided with the connecting plate 4, the outer side of the outer ring of the turntable bearing 2 is fixedly provided with the worm gear ring 5, one end of the upper surface of the mounting plate 1 is fixedly provided with the U-shaped plate 6, one side of the U-shaped plate 6 is rotatably connected with the worm 7 through a bearing, one end of the upper surface of the mounting plate 1, which is far away from, one end of the worm 7, far away from the fixed block 8, penetrates through the U-shaped plate 6 and is fixed with a driven bevel gear 9, the top of the U-shaped plate 6 is fixed with a rotating motor 10, the output end of the rotating motor 10 penetrates through the U-shaped plate 6 and is fixed with a driving bevel gear 11, the driving bevel gear 11 is meshed and connected with the driven bevel gear 9, when the mounting plate is used, the mounting plate 1 is fixed on a deck of a ship through bolts and is close to a broadside part, at the moment, people control the rotating motor 10 to rotate through a controller, further drive the driving bevel gear 11 to rotate, further drive the driven bevel gear 9 to rotate, further drive the worm 7 to rotate through the driven bevel gear 9, further drive the worm 7 to rotate through meshing and connecting with the worm ring 5, further drive the worm ring 5 to rotate, further drive the outer ring of the turntable bearing 2 to drive the connecting plate 4, 10 stall of rotating electrical machines this moment, people can hang the couple of gangway on connecting rod 14, make people's accessible gangway and connecting plate 4 board, and the rotatable optional position of rotary drum 3, make between connecting plate 4 and the hull form the contained angle that is greater than 90 degrees, so that accomplish the back at the installation with the gangway, the gangway can be placed in the position far away from the hull with the one end of land contact, when preventing the space between hull and the land when great, the unable firm problem of placing on land of gangway.
A first fixing plate 12 is fixed at one end of the connecting plate 4, mounting blocks 13 are symmetrically fixed at the lower end of one side of the first fixing plate 12, which is far away from the connecting plate 4, connecting rods 14 are fixed at the middle parts of the two mounting blocks 13 on the first fixing plate 12, a sliding hole is formed at the upper end of the first fixing plate 12, a limiting plate 18 is connected to the inner wall of the sliding hole in a sliding manner, the limiting plate 18 is connected to the connecting plate 4 in a sliding manner, a U-shaped clamping plate 19 is fixed at one end of the lower surface of the connecting plate 4, which is close to the limiting plate 18, a threaded sleeve 21 is fixed at one end of the lower surface of the limiting plate 18, which is close to the second fixing plate 20, a threaded rod 22 is connected to the inner wall of the threaded sleeve 21 in a threaded manner, and the two ends of the threaded rod 22 are respectively rotatably connected with the middle parts of the U-, one side that first fixed plate 12 was kept away from to second fixed plate 20 is fixed with driving motor 23, driving motor 23's output and threaded rod 22 fixed connection, after the rotary ladder hung on connecting rod 14, driving motor 23 rotated this moment, and then drive threaded rod 22 and rotate, make threaded rod 22 drive threaded sleeve 21 and remove on threaded rod 22, and then drive the first fixed plate 12 of the slow roll-off of limiting plate 18, make 18 one end card of limiting plate in connecting rod 14 top, it is spacing to the couple of gangway ladder, prevent when boats and ships slide, the couple of gangway ladder breaks away from with connecting rod 14, and limiting plate 18 can be as one and mark time the use, be convenient for people to board on connecting plate 4.
And a reinforcing plate 15 is fixed on one side of the rotary drum 3, and the reinforcing plate 15 is fixedly connected with the lower surface of the connecting plate 4, so that the connecting strength between the rotary drum 3 and the connecting plate 4 is improved.
The guardrail 17 is fixed on the upper surface of the connecting plate 4, so that the safety of people when boarding is improved.
The lower surface of the limiting plate 18 is symmetrically fixed with sliders 24 at one end close to the threaded sleeve 21, the middle of each slider 24 is connected with a guide rod 25 in a sliding mode through a guide sleeve, two ends of each guide rod 25 are fixedly connected with the U-shaped clamping plate 19 and the second fixing plate 20 respectively, and the limiting plate 18 is enabled to be more stable when sliding through the matching of the sliders 24 and the guide rods 25.
The rotating motor 10 and the driving motor 23 are both speed reducing motors, so that the output torque of the rotating motor 10 and the output torque of the driving motor 23 are improved, and the rotating speed is reduced.
The working principle is as follows: when the ship connecting hook is used, the mounting plate 1 is fixed on a deck of a ship through bolts and is close to a shipboard position, at the moment, people control the rotating motor 10 to rotate through the controller, so as to drive the driving bevel gear 11 to rotate, so as to drive the driven bevel gear 9 to rotate, so that the driven bevel gear 9 drives the worm 7 to rotate, the worm 7 is meshed with the worm gear ring 5, so as to drive the worm gear ring 5 to rotate, so as to drive the outer ring of the turntable bearing 2 to rotate, so that the outer ring of the turntable bearing 2 drives the rotating drum 3 to rotate, so as to drive the connecting plate 4 to rotate, so that the connecting plate 4 rotates from a position parallel to a ship body to a position vertical to the ship body, at the moment, the rotating motor 10 stops rotating, people can hang the connecting hook of the gangway on the connecting rod 14, so that people can board the ship through the gangway and the connecting plate 4, and the rotating, so as to accomplish the back with the gangway ladder in the installation, the gangway ladder can be placed in the position far away from the hull with the one end of land contact, when preventing the space between hull and the land great, the unable firm problem of placing on land of gangway ladder, hang back on connecting rod 14 when the rotary ladder, driving motor 23 rotates this moment, and then drive threaded rod 22 and rotate, make threaded rod 22 drive threaded sleeve 21 and remove on threaded rod 22, and then drive the first fixed plate 12 of limiting plate 18 slow roll-off, make 18 one end card of limiting plate in connecting rod 14 top, the couple to the gangway ladder carries on spacingly, prevent when boats and ships slide, the couple and the connecting rod 14 of gangway ladder break away from, and limiting plate 18 can be as a use of marking time, be convenient for people to board connecting plate 4.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a boats and ships interface arrangement that boards, includes mounting panel (1), slewing bearing (2), rotary drum (3), connecting plate (4), worm wheel ring (5), U-shaped board (6), worm (7), fixed block (8), driven bevel gear (9), rotating electrical machines (10) and drive bevel gear (11), its characterized in that: the mounting plate is characterized in that a turntable bearing (2) is arranged on the upper surface of the mounting plate (1), an inner ring of the turntable bearing (2) is fixedly connected with the mounting plate (1) through bolts, a rotary drum (3) is fixed on the upper surface of the outer ring of the turntable bearing (2) through bolts, a connecting plate (4) is fixed on the top of the rotary drum (3), a worm gear ring (5) is fixed on the outer side of the outer ring of the turntable bearing (2), a U-shaped plate (6) is fixed on one end of the upper surface of the mounting plate (1), a worm (7) is rotatably connected with one side of the U-shaped plate (6) through a bearing, a fixed block (8) is fixed on one end of the upper surface of the mounting plate (1) far away from the U-shaped plate (6), one end of the worm (7) far away from the U-shaped plate (6) is fixedly connected with the fixed block (8) through a, the top of the U-shaped plate (6) is fixed with a rotating motor (10), the output end of the rotating motor (10) penetrates through the U-shaped plate (6) to be fixed with a driving bevel gear (11), and the driving bevel gear (11) is meshed with a driven bevel gear (9).
2. The vessel boarding interface device of claim 1, wherein: a first fixing plate (12) is fixed at one end of the connecting plate (4), mounting blocks (13) are symmetrically fixed at the lower end of one side, far away from the connecting plate (4), of one side of the first fixing plate (12), connecting rods (14) are fixed in the middles of the two mounting blocks (13) on the first fixing plate (12), a sliding hole is formed in the upper end of the first fixing plate (12), a limiting plate (18) is connected to the inner wall of the sliding hole in a sliding mode, the limiting plate (18) is connected with the connecting plate (4) in a sliding mode, a U-shaped clamping plate (19) is fixed at one end, close to the limiting plate (18), of the lower surface of the connecting plate (4), a second fixing plate (20) is fixed at one end, far away from the first fixing plate (12), of the lower surface of the limiting plate (18) is fixed with a threaded sleeve (21), threaded sleeve (21) inner wall threaded connection has threaded rod (22), and threaded rod (22) both ends are connected with U-shaped cardboard (19) and second fixed plate (20) middle part rotation through the bearing respectively, one side that first fixed plate (12) were kept away from in second fixed plate (20) is fixed with driving motor (23), the output and the threaded rod (22) fixed connection of driving motor (23).
3. The vessel boarding interface device of claim 1, wherein: and a reinforcing plate (15) is fixed on one side of the rotary drum (3), and the reinforcing plate (15) is fixedly connected with the lower surface of the connecting plate (4).
4. The vessel boarding interface device of claim 1, wherein: mounting holes (16) are formed in four corners of the mounting plate (1).
5. The vessel boarding interface device of claim 1, wherein: and a guardrail (17) is fixed on the upper surface of the connecting plate (4).
6. The vessel boarding interface device of claim 1, wherein: the lower surface of the limiting plate (18) is symmetrically fixed with sliding blocks (24) at one end close to the threaded sleeve (21), the middle parts of the sliding blocks (24) are connected with guide rods (25) in a sliding mode through guide sleeves, and two ends of each guide rod (25) are fixedly connected with the U-shaped clamping plate (19) and the second fixing plate (20) respectively.
7. The vessel boarding interface device of claim 1, wherein: the rotating motor (10) and the driving motor (23) are both speed reducing motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108799.8A CN112224347A (en) | 2020-10-14 | 2020-10-14 | Ship boarding interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108799.8A CN112224347A (en) | 2020-10-14 | 2020-10-14 | Ship boarding interface device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112224347A true CN112224347A (en) | 2021-01-15 |
Family
ID=74117684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011108799.8A Pending CN112224347A (en) | 2020-10-14 | 2020-10-14 | Ship boarding interface device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112224347A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665744A (en) * | 2021-09-29 | 2021-11-19 | 上海外高桥造船有限公司 | Protective structure of boarding gate of ship |
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|---|---|---|---|---|
| JPH07251791A (en) * | 1994-03-14 | 1995-10-03 | Shinkurushima Dock:Kk | Gangway device |
| ES2208029B1 (en) * | 2001-11-15 | 2005-08-16 | Anton Zenarruzabeitia Etxaniz | IMPROVEMENTS IN PATENT 200101365, CONCERNING A "ACCESS GATE BETWEEN A BOAT AND A DOCK ATTACK." |
| CN203666933U (en) * | 2013-10-28 | 2014-06-25 | 江苏熔盛重工有限公司 | Rotary type wharf boarding ladder |
| CN203806109U (en) * | 2014-03-20 | 2014-09-03 | 中国海洋石油总公司 | Flexible boarding platform |
| CN206569226U (en) * | 2017-03-15 | 2017-10-20 | 徐东星 | A kind of adjustable gangway ladder of floating type tide |
| CN208534313U (en) * | 2018-05-21 | 2019-02-22 | 嘉林建设集团有限公司 | A kind of curtain wall opening leaf anti-dropping device |
| CN209096958U (en) * | 2018-11-09 | 2019-07-12 | 上海振华重工(集团)股份有限公司 | A kind of universal boarding ladder of tide self-regulation |
| CN209795759U (en) * | 2019-03-15 | 2019-12-17 | 上海凌耀船舶工程有限公司 | Accommodation side boarding platform device |
| CN210126615U (en) * | 2019-03-15 | 2020-03-06 | 上海凌耀船舶工程有限公司 | Novel multipurpose marine gangway ladder |
| CN210592345U (en) * | 2019-08-26 | 2020-05-22 | 无锡沪联机械设备有限公司 | Boarding ladder rotation driving device |
| CN211143410U (en) * | 2019-09-24 | 2020-07-31 | 夏仲建 | Couple of worker's civil engineering installation usefulness is accepted seat |
| CN211663412U (en) * | 2019-12-31 | 2020-10-13 | 江苏姜堰船舶舾装件有限公司 | Fixed stable translation formula gangway ladder |
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2020
- 2020-10-14 CN CN202011108799.8A patent/CN112224347A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07251791A (en) * | 1994-03-14 | 1995-10-03 | Shinkurushima Dock:Kk | Gangway device |
| ES2208029B1 (en) * | 2001-11-15 | 2005-08-16 | Anton Zenarruzabeitia Etxaniz | IMPROVEMENTS IN PATENT 200101365, CONCERNING A "ACCESS GATE BETWEEN A BOAT AND A DOCK ATTACK." |
| CN203666933U (en) * | 2013-10-28 | 2014-06-25 | 江苏熔盛重工有限公司 | Rotary type wharf boarding ladder |
| CN203806109U (en) * | 2014-03-20 | 2014-09-03 | 中国海洋石油总公司 | Flexible boarding platform |
| CN206569226U (en) * | 2017-03-15 | 2017-10-20 | 徐东星 | A kind of adjustable gangway ladder of floating type tide |
| CN208534313U (en) * | 2018-05-21 | 2019-02-22 | 嘉林建设集团有限公司 | A kind of curtain wall opening leaf anti-dropping device |
| CN209096958U (en) * | 2018-11-09 | 2019-07-12 | 上海振华重工(集团)股份有限公司 | A kind of universal boarding ladder of tide self-regulation |
| CN209795759U (en) * | 2019-03-15 | 2019-12-17 | 上海凌耀船舶工程有限公司 | Accommodation side boarding platform device |
| CN210126615U (en) * | 2019-03-15 | 2020-03-06 | 上海凌耀船舶工程有限公司 | Novel multipurpose marine gangway ladder |
| CN210592345U (en) * | 2019-08-26 | 2020-05-22 | 无锡沪联机械设备有限公司 | Boarding ladder rotation driving device |
| CN211143410U (en) * | 2019-09-24 | 2020-07-31 | 夏仲建 | Couple of worker's civil engineering installation usefulness is accepted seat |
| CN211663412U (en) * | 2019-12-31 | 2020-10-13 | 江苏姜堰船舶舾装件有限公司 | Fixed stable translation formula gangway ladder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665744A (en) * | 2021-09-29 | 2021-11-19 | 上海外高桥造船有限公司 | Protective structure of boarding gate of ship |
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Application publication date: 20210115 |
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