CN213139078U - A storage device that is used for offshore wind turbine fortune dimension to step on device - Google Patents

A storage device that is used for offshore wind turbine fortune dimension to step on device Download PDF

Info

Publication number
CN213139078U
CN213139078U CN202021117169.2U CN202021117169U CN213139078U CN 213139078 U CN213139078 U CN 213139078U CN 202021117169 U CN202021117169 U CN 202021117169U CN 213139078 U CN213139078 U CN 213139078U
Authority
CN
China
Prior art keywords
wind turbine
offshore wind
footboard
maintenance
storage box
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
Application number
CN202021117169.2U
Other languages
Chinese (zh)
Inventor
彭亚
李智
王强
李孟超
贺天明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Three Gorges Fujian Energy Investment Co Ltd
Original Assignee
China Three Gorges Fujian Energy Investment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Three Gorges Fujian Energy Investment Co Ltd filed Critical China Three Gorges Fujian Energy Investment Co Ltd
Priority to CN202021117169.2U priority Critical patent/CN213139078U/en
Priority to LU102048A priority patent/LU102048B1/en
Application granted granted Critical
Publication of CN213139078U publication Critical patent/CN213139078U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50—Maintenance or repair
    • 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
    • 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
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
    • E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • 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
    • B63B2027/141—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts telescopically extendable
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/39—Ladders having platforms; Ladders changeable into platforms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • 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
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
  • Ladders (AREA)

Abstract

The utility model discloses a storage device for offshore wind turbine operation and maintenance climbing device, which belongs to the technical field of climbing device, and comprises a storage box, wherein the top of the side wall of the storage box is provided with a turbine, the top of the storage box is provided with a top cover, the bottom of the top cover is provided with a worm, the bottom of the storage box is provided with a base, the top of the base is provided with a rotating seat, the rotating seat is provided with a first hydraulic cylinder, the top of the first hydraulic cylinder is provided with a lifting rod, the top of the lifting rod is provided with a mounting seat and a mounting plate, the left side of the mounting plate is provided with a telescopic climbing ladder, and the right side is provided with a climbing device, the utility model has reasonable structural design, when the climbing device is used, the top cover is opened, the climbing device is lifted, the angle of the climbing device is adjusted by the rotating seat, when the climbing device is not needed, the climbing, the safety is enhanced, and the service life is prolonged.

Description

A storage device that is used for offshore wind turbine fortune dimension to step on device
Technical Field
The utility model relates to a step on and lean on technical field, specifically be a storage device that is used for offshore wind turbine fortune dimension to step on and leans on device.
Background
In order to guarantee normal operation of the offshore wind turbine, operation and maintenance personnel need to frequently land on the wind turbine platform to maintain and maintain the wind turbine, and the operation and maintenance personnel directly climb onto the wind turbine platform from the operation and maintenance ship, so that the safety is poor, and when sea storms are large, the stability of the operation and maintenance ship on the sea is poor, and the operation and maintenance personnel are difficult to climb onto the wind turbine platform.
To this end, a person skilled in the relevant art improves this, for example, chinese patent application No. cn201721530984.x, "a landing device between a fan operation and maintenance ship and a fan platform", which is a technical feature in this application document: "a device is leaned on in stepping on between fan fortune dimension ship and the fan platform, the cat ladder is fixed to be set up on the lateral wall of fan platform, the cat ladder top extends to fan platform top, the gram is hung, hydraulic pressure lift platform and landing ladder are located the fortune dimension ship, landing ladder rear end is rotatable to be set up on hydraulic pressure lift platform, landing ladder front end is fixed to be provided with the couple, it is higher to have the security, do not receive the influence of sea stormy waves, can make fortune dimension personnel land fan platform's characteristics smoothly, but technical scheme in this application file still exists inadequately, big like sea appearance environmental humidity, and be rich in the salt, should step on and lean on the device and directly expose outside, receive marine environment corruption easily, cause each part harm, shorten its life, there is serious potential safety hazard simultaneously.
Based on this, the utility model designs a storage device that is used for offshore wind turbine fortune dimension to step on device to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a storage device that is used for offshore wind turbine fortune dimension to step on by device to solve above-mentioned the device and directly expose outside, receive marine environment and corrode easily, cause each part harm, shorten its life, have the problem of serious potential safety hazard simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a storage device that is used for offshore wind turbine fortune dimension to climb to device, includes the containing box, the containing box is located fortune dimension ship deck below, containing box lateral wall top is provided with the turbine, the containing box top is provided with the top cap, the top cap bottom be provided with turbine matched with worm, fortune dimension is on the ship be provided with top cap matched with square spout, containing box bottom is provided with the base, the base top is provided with rotates the seat, it is provided with first pneumatic cylinder on the seat to rotate, first pneumatic cylinder top is provided with the lifter, the lifter top is provided with the mount pad, the mount pad top is provided with the mounting panel, the mounting panel left side is provided with scalable climbing ladder, the mounting panel right side is provided with to climb to device.
Preferably, the motor is installed at the center of the base, the top of the motor is connected with the rotating shaft, the top of the rotating shaft is provided with a first gear, a second gear is meshed with the outer side of the first gear, and the second gear is fixedly connected to the bottom of the rotating seat.
Preferably, the edge of the top of the base is provided with an annular sliding groove, and the bottom of the rotating seat is provided with an annular sliding block matched with the annular sliding groove.
Preferably, step on by the device including set up in the first footboard on mounting panel right side, the inside sliding connection of first footboard has flexible footboard, flexible footboard right side is provided with the second footboard, second footboard bottom is connected with the telescopic link, telescopic link left side end is connected with the second pneumatic cylinder, the second pneumatic cylinder set up in on the mount pad right side wall.
Preferably, the front side and the rear side of the retractable climbing ladder and the front side and the rear side of the leaning device are both provided with foldable handrails.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structure design, when the climbing device is needed, the top cover is controlled to slide in the square chute through the worm wheel and the worm, the top cover is opened, the lifting rod is adjusted to lift the climbing device, and the climbing device is matched with the offshore wind turbine to be used through rotating the rotating seat; when need not to use and step on the device, will step on and lean on the device decline and get into in the containing box, convenient operation, the practicality is strong, uses through turbine and worm cooperation simultaneously, makes the top cap close, avoids stepping on and leans on the device directly to expose in marine environment, reduces marine environment to the corruption of stepping on and leaning on the device, reinforcing safety in utilization to prolong its life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the structure of the present invention;
fig. 3 is an enlarged front view of the structure at a position of the utility model;
FIG. 4 is a schematic view of the top structure of the base of the present invention;
fig. 5 is a schematic view of the structure of the utility model in use.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a storage box; 2. an operation and maintenance ship; 3. a turbine; 4. a top cover; 5. a worm; 6. a base; 61. a motor; 62. a rotating shaft; 63. a first gear; 64. an annular chute; 7. a rotating seat; 71. a second gear; 72. an annular slider; 8. a first hydraulic cylinder; 9. a lifting rod; 10. a mounting seat; 11. mounting a plate; 12. a retractable climbing ladder; 13. a reclining device; 131. a first pedal; 132. a retractable pedal; 133. a second pedal; 134. a telescopic rod; 135. a second hydraulic cylinder; 14. a foldable armrest; 15. a square chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a storage device for an offshore wind turbine operation and maintenance leaning device comprises a storage box 1, wherein the storage box 1 is located below a deck of an operation and maintenance ship 2, when the climbing and leaning device 13 is not used, the operation and maintenance ship 2 has a larger moving space, a turbine 3 is arranged at the top of the side wall of the storage box 1, a top cover 4 is arranged at the top of the storage box 1, a worm 5 matched with the turbine 3 is arranged at the bottom of the top cover 4, a square sliding groove 15 matched with the top cover 4 is arranged on the operation and maintenance ship 2, a base 6 is arranged at the bottom of the storage box 1, a rotating seat 7 is arranged at the top of the base 6, a first hydraulic cylinder 8 is arranged on the rotating seat 7, a lifting rod 9 is arranged at the top of the first hydraulic cylinder 8, a mounting seat 10 is arranged at the top of the lifting rod 9, a mounting plate 11 is arranged at the top of the mounting seat 10, a telescopic climbing, the telescopic climbing ladder 12 is provided with a non-slip mat, and the right side of the mounting plate 11 is provided with a climbing device 13.
Further, a motor 61 is installed in the center of the base 6, the top of the motor 61 is connected with a rotating shaft 62, the top of the rotating shaft 62 is provided with a first gear 63, a second gear 71 is meshed with the outer side of the first gear 63, the second gear 71 is fixedly connected to the bottom of the rotating base 7, and the first gear 63 is matched with the second gear 71 to adjust the angle of the boarding device 13, so that the boarding device 13 is matched with an offshore wind turbine for use.
Further, the top edge of the base 6 is provided with an annular sliding groove 64, and the bottom of the rotating seat 7 is provided with an annular sliding block 72 matched with the annular sliding groove 64, so that the rotating seat 7 can stably rotate along the base 6.
Further, step on and lean on device 13 including setting up in first footboard 131 on mounting panel 11 right side, first footboard 131 internal sliding connection has flexible footboard 132, flexible footboard 132 right side is provided with second footboard 133, second footboard 133 front end is provided with locking device, be used for fixed with offshore wind turbine, second footboard 133 bottom is connected with telescopic link 134, telescopic link 134 left side end is connected with second hydraulic cylinder 135, second hydraulic cylinder 135 sets up on the wall of mount pad 10 right side, it sets up to scalable to step on to lean on device 13, convenient storage, simultaneously can be according to user demand adjustment length, more have the practicality, first footboard 131, flexible footboard 132, all be provided with slipmat and hole that leaks on the second footboard 133, it is wet and smooth to prevent to step on device 13 surface, avoid potential safety hazards such as staff's tumble.
Furthermore, the front side and the rear side of the retractable climbing ladder 12 and the front side and the rear side of the leaning device 13 are both provided with foldable handrails 14, so that the personal safety of the leaning workers can be guaranteed, and meanwhile, the retractable climbing ladder is foldable and convenient to store.
One specific application of this embodiment is: when the operation and maintenance ship 2 is driven to a specified position, the turbine 3 is driven to rotate, the turbine 3 drives the worm 5 to move towards two sides, the top cover 4 slides towards the square sliding groove 15, the containing box 1 is opened, the lifting rod 9 is driven to lift through the first hydraulic cylinder 8, the lifting rod 9 drives the mounting seat 10 and the mounting plate 11 to lift, the leaning device 13 is higher than the top of the containing box 1 and reaches a specified height, the telescopic rod 134 is driven through the second hydraulic cylinder 135 to drive the second pedal 133 to move forwards, the telescopic pedal 132 slides along the first pedal 131, the whole length of the leaning device 13 is extended, the rotating shaft 62 and the first gear 63 are driven to rotate through the motor 61, the first gear 63 drives the second gear 71 to rotate, the second gear 71 drives the rotating seat 7 to rotate, the annular slide block 72 slides along the annular sliding groove 64, the angle is adjusted to enable the leaning device 13 to be matched with the offshore wind turbine, and the leaning device 13 is fixed with the, the retractable climbing ladder 12 is rotated to fix the retractable climbing ladder 12 on the deck, and workers climb into the climbing device 13 through the retractable climbing ladder 12 and enter the offshore wind turbine through the climbing device 13 to perform maintenance work on the offshore wind turbine;
after the operator returns to the maintenance ship 2, the retractable climbing ladder 12 is rotated to make the end of the retractable climbing ladder 12 approach the lifting rod 9, the retractable rod 134 is driven by the second hydraulic cylinder 135 to drive the second pedal 133 to retract, the retractable pedal 132 slides towards the first pedal 131 to make the first pedal 131 and the second pedal 133 approach, the whole length of the leaning device 13 is shortened, the driving motor 61 rotates the rotating seat 7 to the initial position to make the leaning device 13 parallel to the length direction of the containing box 1, the first hydraulic cylinder 8 is driven to retract the lifting rod 9, the leaning device 13 is descended into the containing box 1 to drive the turbine 3, the turbine 3 drives the worm 5 to move towards the middle, the top covers 4 at the two sides are folded, the containing box 1 is closed, and the containing device 13 is contained.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a storage device that is used for offshore wind turbine fortune dimension to step on device, includes containing box (1), its characterized in that: the storage box (1) is positioned below a deck of an operation and maintenance ship (2), a turbine (3) is arranged at the top of the side wall of the storage box (1), a top cover (4) is arranged at the top of the storage box (1), a worm (5) matched with the turbine (3) is arranged at the bottom of the top cover (4), a square sliding groove (15) matched with the top cover (4) is arranged on the operation and maintenance ship (2), a base (6) is arranged at the bottom of the storage box (1), a rotating seat (7) is arranged at the top of the base (6), a first hydraulic cylinder (8) is arranged on the rotating seat (7), a lifting rod (9) is arranged at the top of the first hydraulic cylinder (8), a mounting seat (10) is arranged at the top of the lifting rod (9), a mounting plate (11) is arranged at the top of the mounting seat (10), a telescopic climbing ladder (12) is arranged on, the right side of the mounting plate (11) is provided with a boarding device (13).
2. The containing device for the offshore wind turbine operation and maintenance reclining device according to claim 1, wherein: motor (61) is installed at base (6) center, motor (61) top is connected with pivot (62), pivot (62) top is provided with first gear (63), the meshing of first gear (63) outside has second gear (71), second gear (71) fixed connection in rotate seat (7) bottom.
3. The containing device for the offshore wind turbine operation and maintenance reclining device according to claim 2, wherein: the edge of the top of the base (6) is provided with an annular sliding groove (64), and the bottom of the rotating seat (7) is provided with an annular sliding block (72) matched with the annular sliding groove (64).
4. The containing device for the offshore wind turbine operation and maintenance reclining device according to claim 1, wherein: step on and lean on device (13) including set up in first footboard (131) on mounting panel (11) right side, first footboard (131) inside sliding connection has flexible footboard (132), flexible footboard (132) right side is provided with second footboard (133), second footboard (133) bottom is connected with telescopic link (134), telescopic link (134) left side end is connected with second pneumatic cylinder (135), second pneumatic cylinder (135) set up in on mount pad (10) right side wall.
5. The containing device for the offshore wind turbine operation and maintenance reclining device according to claim 1, wherein: the front side and the rear side of the retractable climbing ladder (12) and the front side and the rear side of the leaning device (13) are both provided with foldable handrails (14).
CN202021117169.2U 2020-06-17 2020-06-17 A storage device that is used for offshore wind turbine fortune dimension to step on device Active CN213139078U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202021117169.2U CN213139078U (en) 2020-06-17 2020-06-17 A storage device that is used for offshore wind turbine fortune dimension to step on device
LU102048A LU102048B1 (en) 2020-06-17 2020-09-09 Containing device for offshore wind turbine operation and maintenance climbing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021117169.2U CN213139078U (en) 2020-06-17 2020-06-17 A storage device that is used for offshore wind turbine fortune dimension to step on device

Publications (1)

Publication Number Publication Date
CN213139078U true CN213139078U (en) 2021-05-07

Family

ID=75727216

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021117169.2U Active CN213139078U (en) 2020-06-17 2020-06-17 A storage device that is used for offshore wind turbine fortune dimension to step on device

Country Status (2)

Country Link
CN (1) CN213139078U (en)
LU (1) LU102048B1 (en)

Also Published As

Publication number Publication date
LU102048B1 (en) 2021-06-17

Similar Documents

Publication Publication Date Title
CN210555451U (en) Self-adaptive follow-up wharf boarding device
CN209159950U (en) Wind-powered electricity generation O&M ship
CN108454789A (en) Ocean platform steps on quadrupler
CN213139078U (en) A storage device that is used for offshore wind turbine fortune dimension to step on device
CN215514034U (en) Hydraulic power gangway ladder
CN209535400U (en) A kind of boarding ladder structure of double gyration device
CN210264485U (en) Ladder with liftable platform
CN203439232U (en) Accommodation-ladder rotation telescopic type folding and unfolding device
CN216896534U (en) Structural tower convenient for installing monitoring equipment
CN212332891U (en) Barge boarding device
CN211663412U (en) Fixed stable translation formula gangway ladder
CN210395112U (en) Bridge construction work platform
CN211898939U (en) Folding integrated living container
CN114164980A (en) Multifunctional liftable suspended ceiling
CN114590360A (en) Folding rotary gangway ladder
CN111409778A (en) Barge boarding device
CN210761185U (en) Retractable inclined ladder for ship
CN215622561U (en) Movable sectional type gangway vehicle
CN205675185U (en) A kind of ship deck electric retractable sunshade device
CN218112914U (en) Flagpole convenient to use for small-size boats and ships
CN217578238U (en) Folding lifting device for fire control maintenance
CN221188307U (en) Caravan with side-rubbing terrace
CN218932994U (en) Auxiliary template mounting structure for port concrete construction
CN220916754U (en) Photovoltaic folding umbrella
CN215585267U (en) Medical irradiation device and balance lifting mechanism

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant