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91 results about "Gangway" patented technology

A gangway is a narrow passage that joins the quarterdeck to the forecastle of a sailing ship. The term is also extended to mean the narrow passages used to board or disembark ships. Modern shipping uses gangways to embark and disembark passengers. Twentieth century extendible gangways used in the Overseas Passenger Terminal in Sydney, Australia are now on the State's heritage list.

Fall protection cage with adjustable outboard upright

An apparatus that provides selectively deployable worker access with fall protection to at least a portion of the top of a container has a gangway that is configured to be retrofitted to an elevated platform from which the gangway and a fall protection cage is selectively deployable over the top of the container. The fall protection cage is connected to the gangway via a fixed stanchion and an abutment that is adjustably disposed outboard of the fixed stanchion and connected thereto via at least one selectively length adjustable screw member.
Owner:SAM CARBIS ASSET MANAGEMENT

Ramp apparatus

The invention provides a gangway device, which can keep the level of the step from being affected by soil, small stones and dust, always smoothly and stably, and can keep the handrail at a certain height. The two end shafts of these pedals (3) are supported between two sets of trusses composed of upper chord members (1) and lower chord members (2) arranged in parallel, so that multiple pedals (3) are horizontal; these upper chords can be adjusted and maintained One end of the connecting rod for adjusting the distance between the member (1) and the lower chord member (2) is supported on one of the upper chord member (1) and the lower chord member (2), and on the other of the upper chord member and the lower chord member. A position fixing member (9) is provided to fix the other end of the adjustment link at a position of a prescribed length; an armrest socket (3A) is installed perpendicularly to the side end surface of the pedal (3). ; Moreover, the socket (3A) is provided with an anti-loosening mechanism to prevent the support (23) of the armrest (22) from loosening.
Owner:小野 辰雄

Gangway apparatus

A gangway apparatus (10) for transfer between vessels or between a vessel (38) and a fixed structure such as an offshore construction or a quay is disclosed. The gangway apparatus (10) includes a gangway component (16) which is preferably buoyant and may be inflatable. The gangway component (16) is mounted on a skate or bogie and traverses a fixedly mounted runway (14). The runway (14) may be inclined. Control means are provided for controlling the motion of the gangway component on the runway. These may include biasing means such as a counterweight. The apparatus is preferably mounted in a shipping container such as a 40′ ISO container.
Owner:IHC ENGINEERING BUSINESS LIMITED

Gangway handrail and method for manufacturing the same

A handrail for a gangway and a method for manufacturing the same where the handrail comprises a single, continuous piece of plastic.
Owner:SAFERACK

Gangway for Embarking and Disembarking Passengers

A gangway for embarking and disembarking passengers comprises a first module with a plurality of ramps located at different heights and joined at their ends by union modules, defining an entrance and an exit towards a second module, and a pair of movable support structures located at opposite ends of the first module. The second module comprises a plurality of telescopic tunnels that can be extended relative to one another, one of the ends of the outermost tunnel being coupled to a cabin that can be coupled to the ship; a movable gantry structure that allows the height of the second module to be regulated; and a motor-less revolving platform coupled to the first and second modules and supported on a movable support structure that rotates about its own vertical axis.
Owner:TEAM PORTS & MARITIME

Wave-adaptive full-automatic accommodation ladder device for ocean platform and application method thereof

The invention discloses a wave self-adaptive ocean platform full-automatic gangway ladder device and an application method thereof.The wave self-adaptive ocean platform full-automatic gangway ladder device comprises a fixed ladder, an extension ladder, a driving system, a laser ranging system and a safety device, the extension ladder is arranged in the space between the fixed ladder and a ship board outer plate, the driving system is located on an ocean platform deck, and a noose wound on a winch is connected with the extension ladder; the laser ranging system is located at the bottom of the extension ladder, one end of the safety and protection device is connected with a deck of the ocean platform, the other end of the safety and protection device is connected with the extension ladder, and after a ship travels to one side of the ocean platform and is detected by the laser ranging system, the PLC control system controls the extension ladder to ascend and descend along with fluctuation of the ship according to the preset height. The height of the operator stepping on the folding pedal is always kept unchanged, and the operator is connected with the safety and protection device when climbing. The device has the advantages of being simple in structure, safe, reliable, low in cost and easy and convenient to operate, avoiding collision between the gangway ladder and a ship and collision between an operator and the ship, and avoiding falling of the operator in a quick state.
Owner:CHINA THREE GORGES CORPORATION +2

Electric vehicle charging device base gangway and quality control

The invention discloses an electric vehicle charging device base gangway. The electric vehicle charging device base gangway comprises a main body unit, an initial prestressed tension adjusting unit, ahighest prestressed tension adjusting unit and a maximum movement range adjusting unit, the main body unit is composed of a gangway hook, a gangway lug, a gangway support and an adjusting screw rod,the initial prestressed tension adjusting unit is composed of elastic force of the prefabricated radian of the gangway hook and the adjusting screw rod, the highest prestressed tension adjusting unitis composed of a gangway lug upper limit point and an adjusting screw rod center line position, and the maximum movement range adjusting unit is composed of a gangway lug starting acting point, a gangway hook starting position and a gangway hook position stopping acting point. According to the electric vehicle charging device base gangway, standard quality control in batch production, installation, debugging and use of a whole gangway part and a part is effectively realized, and prevention and control of loosening and separation of batch bases and a ground are further realized.
Owner:邓新颖

Through channel floor device

The invention belongs to the technical field of rail transit equipment, and particularly relates to a through passage floor device mainly structurally comprising a floor support assembly, a corridor floor assembly and a gangway foot plate assembly and is designed into an ultrathin structure so as to fully utilize the limited space at the bottom of a low-floor vehicle, and a floor surface stretches across a through passage and a vehicle body corridor. three rotation points are formed in the center position of a floor and the floor support assembly; the corridor floor support is made of nylon and has mute and wear-resisting effects; the floor support assembly is provided with an angular contact spherical sliding bearing and a spherical bearing; displacement actions such as rotation, side rolling and jolting required by vehicle movement are met; sealing rubber strips are mounted on all separation faces of a spherical bearing installation cavity in the floor supporting assembly, two sealing rubber strips are mounted below a corridor floor cover plate, waterproof sealing can be achieved, and no noise exists. The through passage floor device is simple in structure, the overall height of the floor system is reduced on the premise that the line requirement is met, and the use requirement of a low-floor vehicle model is met.
Owner:欧特美交通科技股份有限公司

Seaborne accommodation ladder used for wind electricity platform

The invention discloses a seaborne accommodation ladder used for a wind electricity platform. The seaborne accommodation ladder comprises an accommodation ladder body and a fixing seat. The fixing seat is installed on a hull. One end of the accommodation ladder body is hinged to the fixing seat. The accommodation ladder body is driven by a lifting winch through a lifting steel cable to ascend anddescend. The accommodation ladder body is driven by a first steering winch through a first steering steel cable to horizontally swing to a first steering installation seat. The accommodation ladder body is driven by a second steering winch through a second steering steel cable to horizontally swing to a second steering installation seat. The accommodation ladder body is installed on the edge of adeck of the hull through the fixing seat, so that the wind electricity platform and an accommodation ship are connected, and operators can conveniently walk between the wind electricity platform and the accommodation ship. According to the shaking degree of the accommodation ladder body under the stormy wave effect, the tension applied to the accommodation ladder body by the first steering steel cable and the tension applied to the accommodation ladder body by the second steering steel cable can be adjusted, so that shakes of the accommodation ladder body are reduced.
Owner:佛山市榕岸海洋工程装备有限公司

Wave compensation gangway ladder independently controlled by variable-amplitude oil cylinder

The invention discloses a wave compensation gangway ladder independently controlled by a variable-amplitude oil cylinder, and belongs to the technical field of gangway ladders, the gangway ladder comprises a base, a revolving platform, a support frame and a gangway ladder, the revolving platform is mounted on the base, the support frame is fixed on the revolving platform, and the support frame is connected with the tail end of the gangway ladder through a first knuckle bearing. The rotary platform and the accommodation ladder are connected through a variable-amplitude oil cylinder, the pitching angle of the accommodation ladder is changed through the variable-amplitude oil cylinder, and the left-right inclination angle of a bottom ladder of the accommodation ladder can be adjusted. The left-right inclination angle and the pitching angle of the gangway ladder can be controlled through the two independently-controlled variable-amplitude oil cylinders and the multiple knuckle bearings, equipment and cost are not additionally increased, the wave compensation function of the left-right inclination angle of the gangway ladder is achieved, and the wave compensation function of the left-right inclination angle of the gangway ladder is achieved in cooperation with the adjustability of the up-down pitching angle of the gangway ladder and the adjustability of the pitching angle of a landing ladder. And the whole gangway ladder can rotate under the driving of the rotary platform, so that the gangway ladder is suitable for being used in a complex marine environment, and the comfort and safety of people using the gangway ladder are improved.
Owner:江苏弘竣海洋科技有限公司

Scientific investigation operation workshop with watertight sea-skimming moon pool

PendingCN112977714ATroubleshoot underwater survey operationsSafe and reliable seamless connectionCargo handling apparatusPassenger handling apparatusGangwayWinch
The invention relates to a scientific investigation operation workshop with a watertight sea-skimming moon pool, and belongs to the technical field of ship design and manufacturing. The workshop comprises a Kingston moon pool, a moon pool retracting and releasing system, a multifunctional comprehensive travelling crane, a ship side gangway, a moon pool hatch cover, a winch and a guide pulley; the scientific investigation operation workshop is internally provided with a lunar pool, and a lunar pool folding and unfolding system is arranged corresponding to a through hole of the lunar pool; a multifunctional comprehensive travelling crane is arranged on one side of the moon pool folding and unfolding system, and a winch is arranged on the other side of the moon pool folding and unfolding system; the winch is connected with the moon pool retracting and releasing system and the multifunctional comprehensive travelling crane through a guide pulley; moon pool cabin covers are arranged at the two ends of the through hole of the sea-communicated moon pool; the scientific investigation workshop is provided with a ship side gangway. According to the invention, a scientific investigation icebreaker can safely and reliably carry out underwater investigation work in an ice area, and safe and reliable seamless connection of underwater investigation work of the ocean and the ice area is realized; according to the scientific investigation operation workshop, a large-size operation space is provided, and the operation requirements of polar scientific investigation tasks can be met.
Owner:708TH RES INST OF CSSC

Multi-degree-of-freedom wind power tower boarding trestle

A multi-degree-of-freedom wind power tower boarding trestle comprises a supporting machine base and a hydraulic pump station which are installed on a bow deck, an attitude sensor is installed in the center of the bottom of the supporting machine base, the upper end of the supporting machine base is connected with an orientation rotary table through a rolling mechanism, the orientation rotary table is connected with a lower accommodation ladder through a pitching mechanism, an upper accommodation ladder is movably installed in the lower accommodation ladder, a wind power tower berthing column is arranged at one end of the upper accommodation ladder, a wind power tower ladder stand is installed on the wind power tower berthing column, and the bottom of the upper accommodation ladder is connected with the bottom of the lower accommodation ladder through a telescopic mechanism. By controlling rolling, pitching, rotation and telescopic movement of the upper accommodation ladder ladder and the lower accommodation ladder ladder, ship body fluctuation caused by sea waves is compensated, and it is ensured that operation and maintenance personnel can safely and rapidly climb the ladder stand of the wind power tower footing; and the trestle has the advantages of being small in size, light in weight, low in cost, safe, stable and convenient to maintain, and potential safety hazards caused when operation and maintenance personnel embark the wind power tower are avoided.
Owner:JIUJIANG PRECISION MEASURING TECH RES INST

Folding turnover type boarding ladder

The invention discloses a folding turnover type boarding ladder which comprises a turnover platform and a folding ladder, supporting shafts are arranged on the two side faces of the turnover platform, the turnover platform is installed on a ship body through bearing seats, a first driving cylinder is arranged between the turnover platform and the ship body, so that the turnover platform can rotate relative to the horizontal plane, a mounting frame is arranged on the turnover platform, a turnover plate is arranged on the mounting frame, the folding ladder is rotationally arranged on the turnover plate, and a second driving cylinder is arranged between the folding ladder and the turnover plate, so that the folding ladder can rotate relative to the turnover plate. According to the folding turnover type boarding ladder, the accommodation ladder is designed to be of a structure capable of being folded and overturned to be stored, the occupied space is small, the damage risk is reduced, after the ladder is completely unfolded, the ladder can turn in the horizontal plane and swing up and down in the vertical plane, various use conditions are met, personnel can conveniently boarding, and the folding turnover type boarding ladder is suitable for being integrated on various ship bodies.
Owner:WUXI DONGZHOU MARINE EQUIP CO LTD

Adjustable boarding ladder device

The invention provides an adjustable boarding ladder device, and belongs to the technical field of ships. The adjustable boarding ladder device solves the technical problems that a boarding ladder is large in size, poor in flexibility and narrow in application range. The adjustable boarding ladder device comprises a sliding table, a sliding seat, at least one boarding ladder main body and an accommodation ladder. The sliding table extends in the axial direction and is placed on a dock platform. The sliding seat is movably arranged on the sliding table. The at least one boarding ladder main body is arranged on one side of a ship body in a suspension mode, and fixedly connected with the ship body. The accommodation ladder is located between the sliding seat and the boarding ladder main body, and movably connected with the sliding seat and the boarding ladder main body. The sliding seat can move in the axial direction on the sliding table, and the accommodation ladder can rotate in the horizontal direction and the vertical direction relative to the sliding seat and the boarding ladder main body correspondingly. When the height of the boarding ladder main body is changed, the change of the height of the boarding ladder main body can be matched through movement of the sliding seat on the sliding table and rotation of the accommodation ladder relative to the sliding seat and the boarding ladder main body, and the adjustable boarding ladder device is flexible to use, relatively high in safety and relatively low in cost.
Owner:JINHAI INTELLIGENT MFG CO LTD

Three-degree-of-freedom offshore gallery bridge device with motion compensation capability

The invention discloses a three-degree-of-freedom offshore gallery bridge device with motion compensation capability, which comprises a telescopic gangway ladder and a three-degree-of-freedom stable platform, and the three-degree-of-freedom stable platform is movably connected below the telescopic gangway ladder. According to the device, three servo electric cylinders are adopted to control the pose of an upper stabilized platform of a three-degree-of-freedom stabilized platform in real time, and when a ship is subjected to complex disturbance generated by wind, wave and flow loads, main motion compensation control is carried out on an offshore gallery bridge device through real-time control over the three servo electric cylinders; so that the upper stable platform is kept in a horizontal state all the time, and then the gangway ladder is kept in the horizontal state, and therefore pose control over the offshore gallery bridge is achieved; furthermore a telescopic column is added on the three-degree-of-freedom stabilized platform for limiting torsion of the stabilized platform, rolling bearings are arranged on eight surfaces of the telescopic outer column and the telescopic inner column and are used for overcoming friction force generated in a platform movement process, so that the platform can quickly and stably operate.
Owner:DALIAN MARITIME UNIVERSITY

Marine folding gangway ladder convenient to fold and unfold

The invention discloses a marine folding gangway ladder convenient to fold and unfold, and relates to the technical field of gangway ladders. The ladder comprises bottom plates; a pedal which is positioned on the bottom plates; an adjusting assembly which is connected with the bottom plates and the pedal and used for adjusting the inclination angle of the pedal and fixing the inclination angle of the pedal; the connecting assembly which is located at one end of the bottom plate and used for enabling the bottom plates to rotate; a positioning assembly which is located on the connecting assembly and used for fixing the two bottom plates; the number of the bottom plates is at least two, and the connecting assembly is installed between the two bottom plates, so that the bottom plates can rotate conveniently, and the bottom plates can be folded conveniently; the two bottom plates can be fixed through the positioning assembly, and the stability of the bottom plates is kept; the inclination angle of the pedal can be adjusted through the adjusting assembly, the inclination angle can be fixed, the pedal can be conveniently kept horizontal, use is convenient, the pedal can be stored, the accommodation ladder can be further conveniently stored, and operation is convenient and fast.
Owner:江苏欧亚船舶舾装件有限公司

Steel-aluminum structure fused four-degree-of-freedom economical active compensation gangway ladder

The invention provides a steel-aluminum structure fused four-degree-of-freedom economical active compensation gangway ladder which comprises a movable ladder at the front end and a fixed ladder at the rear end which form a telescopic structure; the fixed ladder is installed on an operation table, the operation table is installed on a rotary table, and the rotary table is installed on a single-degree-of-freedom supporting mechanism. The single-degree-of-freedom supporting mechanism is used for replacing a six-degree-of-freedom compensation platform, and better economical efficiency and adaptability are achieved; the influence of the weight, the strength and the rigidity of the whole machine on the system function under the large-span condition is effectively avoided; double cylinders are used for replacing a traditional steel wire rope winch, and the precision measurement error is effectively improved.
Owner:GUIZHOU AEROSPACE TIANMA ELECTRICAL TECH

Portable flexible splicing ladder

The invention belongs to the technical field of accommodation ladders for ships and discloses a portable flexible splicing ladder. The ladder comprises ladder frames and flexible connecting devices; and the adjacent ladder frames are rotatably connected through the flexible connecting devices. Each flexible connecting device comprises a connecting block, a pin shaft, a nylon lining body, a screw and a nut; the nylon lining body is fixedly arranged on one of the two adjacent ladder frames through the screw; the connecting block is fixedly arranged on the other ladder frame and corresponds to the nylon lining body; the connecting block extends towards the outer side of the edge of the ladder frame, and the extending tail end of the connecting block is rotatably connected with the nylon lining body through the pin shaft. Roller assemblies are arranged on the lower portions of the left sides and the right sides of the ladder frames; each roller assembly comprises a roller support, a bolt,a self-locking nut and a roller; an anti-disengagement device is arranged at the front end of the ladder frame at the head end. Therefore, the ladder has the advantages of simple structure, convenience in disassembly, suitability for various irregular slopes or curved surfaces, wide application range, high practicability and high safety.
Owner:CSSC HUANGPU WENCHONG SHIPBUILDING COMPANY

Passenger vessel with retractable, concealable bow gangway and method for deploying, retracting and concealing a passenger vessel's gangway

A passenger vessel 10 configured to moor along an improved or unimproved shoreline to load or unload the vessel via the bow includes a hull 20 having a movable, openable bow member 24 configured to be moved between a closed state and an open state which exposes the hull's interior volume and an extendable and steerable ramp assembly 14 including an elongated extendable ramp member 78 configured to be stowed in the hull's interior when the bow member is in the closed state. The ramp member is extendable by being conveyed forwardly through the bow opening to define a distally projecting ramp extension supported and steerable (vertically and laterally) from a pivot or swing mount frame 84 affixed within the hull 20.
Owner:CHESAPEAKE SHIPBUILDING CORP

Marine accommodation ladder device and accommodation ladder space position adjusting method

The invention relates to a marine accommodation ladder device and an accommodation ladder space position adjusting method. The marine accommodation ladder device comprises an accommodation ladder, a vertical accommodation ladder guide rail and an adjusting assembly. Specifically, the vertical accommodation ladder guide rail comprises a support and an accommodation ladder rail; wherein the accommodation ladder rail is arranged on the support, the support body is provided with a high end part and a low end part, wherein the accommodation ladder rail is arranged between the high end part and thelow end part; the adjusting assembly comprises a lifting unit and an adjusting unit, wherein the adjusting unit comprises a swing mechanism and a pitching mechanism, the accommodation ladder is arranged on the accommodation ladder rail in a liftable mode, the accommodation ladder is arranged on the swing mechanism in a horizontally rotatable mode, and the accommodation ladder is arranged on the swing mechanism in a vertically rotatable mode.
Owner:SHANGHAI SSOEC MARINE ENG CO LTD

Passenger Vessel with Retractable, Concealable Bow Gangway and Method for Deploying, Retracting and Concealing a Passenger Vessel's Gangway

A passenger vessel 10 configured to moor along an improved or unimproved shoreline to load or unload the vessel via the bow includes a hull 20 having a movable, openable bow member 24 configured to be moved between a closed state and an open state which exposes the hull's interior volume and an extendable and steerable ramp assembly 14 including an elongated extendable ramp member 78 configured to be stowed in the hull's interior when the bow member is in the closed state. The ramp member is extendable by being conveyed forwardly through the bow opening to define a distally projecting ramp extension supported and steerable (vertically and laterally) from a pivot or swing mount frame 84 affixed within the hull 20.
Owner:CHESAPEAKE SHIPBUILDING CORP

Evacuation platform terminal and station platform gangway foot plate device for rail traffic elevated line

The invention discloses an evacuation platform terminal and station platform gangway foot plate device for a rail traffic elevated line, and belongs to the research field of the personnel emergency evacuation and escape device of rail traffic. The device comprises a device protection system, a gangway foot plate transmission system, an electric control system and an evacuation gangway foot plate fixing system, wherein the device protection system is arranged on a station platform end; the gangway foot plate transmission system is arranged in the device protection system; the electric control system is arranged in the device protection system; and the evacuation gangway foot plate fixing system is arranged on the evacuation platform terminal in a platform area. By use of the invention, theautomatic lap joint problem of the evacuation platform terminal in a station and an evacuation channel between the platforms during the emergency evacuation of the rail traffic elevated line can be solved, meanwhile, the inner space of the station platform structure can be reasonably and effectively utilized, and passengers can be quickly and safely evacuated under an emergency condition.
Owner:BEIJING JIAOTONG UNIV

Anti-storm abandoned gangway ladder

The invention discloses an anti-storm abandoned movement gangway ladder which comprises a ladder bridge, a shelf arranged at one end of the ladder bridge and a balance mechanism arranged on a ship deck, and the end, away from the shelf, of the ladder bridge is arranged on the balance mechanism. The balance mechanism comprises a rolling rotating shaft, a pitching rotating shaft, two fixing blocks arranged on a ship deck and a balance frame arranged between the two fixing blocks, the rolling rotating shaft and the pitching rotating shaft are arranged in a crossed mode and fixedly connected into the balance frame, the two ends of the rolling rotating shaft stretch out of the balance frame, and the two ends of the pitching rotating shaft stretch out of the balance frame. The two ends of the rolling rotating shaft are rotationally connected with the ladder bridge, and the two ends of the pitching rotating shaft extend out of the balancing frame and are rotationally connected with the two fixing blocks respectively. The gangway ladder has the effect of reducing shaking of the gangway ladder.
Owner:PINGHU HUAHAI SHIPBUILDING CO LTD

Marine platform boarding and berthing device with hydraulic base

The invention relates to a marine platform boarding and berthing device with a hydraulic base. The marine platform boarding and berthing device comprises a hydraulic base and a gangway ladder mechanism, wherein the hydraulic base comprises a top seat and a hydraulic mechanism; the hydraulic mechanism comprises a bottom oil tank used for being installed on a ship, the hydraulic base comprises a telescopic oil cylinder, a hydraulic assembly and a control cabinet. The hydraulic assembly is controllably connected to the control cabinet, arranged in a sleeve of the telescopic oil cylinder and usedfor providing hydraulic oil power, the bottom of the top seat is installed at the top of the telescopic oil cylinder, the gangway ladder mechanism comprises a gangway ladder, and the gangway ladder isarranged at the top of the top seat.
Owner:SHANGHAI SSOEC MARINE ENG CO LTD

Wave compensation gangway ladder system and control method thereof

The invention discloses a wave compensation gangway ladder system and a control method thereof. The system comprises a control module; the rotary platform comprises a first motor connected with the control module; the pitching mechanism comprises a second motor connected with the control module; the telescopic mechanism comprises a third motor connected with the control module; the intelligent module is arranged at the tail end of the telescopic mechanism and connected with the control module, the intelligent module comprises three intelligent units, and each intelligent unit is used for obtaining the ship attitude information on the corresponding direction axis and the distance between the tail end of the telescopic mechanism and the docking target; the intelligent module is used for establishing and training a wave compensation gangway ladder prediction model, inputting ship attitude information at a previous moment T1 into the trained wave compensation gangway ladder prediction model, outputting a wave compensation gangway ladder compensation value at a later moment T2 and transmitting the wave compensation gangway ladder compensation value to the control module; the control module is used for controlling the first motor, the second motor and the third motor to move according to the compensation value of the wave compensation gangway ladder, the distance from the tail end of the telescopic mechanism to the docking target and a safety limit preset value.
Owner:JIANGSU UNIV OF SCI & TECH

Rope ladder storage rack

The invention discloses a rope ladder storage rack which comprises a rectangular plane base with a frame structure. A plurality of hooks used for being buckled with spiral shackles are fixedly connected to the edge of a frame of the plane base, and handrails used for being abutted against a rope ladder are arranged on one side and / or the two sides of the plane base in a length direction. Spacing pedals contained in the rope ladder or the gangway ladder are fully utilized, and limiting plates for preventing the boarding rope ladder from inclining and collapsing are arranged on reinforcing anglesteel, so that the gangway ladders can be prevented from inclining as long as the positions of the limiting plates of different gangway ladders with the widths smaller than the width of the plane base are adjusted and then fixed, so that the applicability of the gangway ladder is improved; handrails are additionally arranged on one side or two sides of a rope ladder storage rack, so that the ropeladder is provided with one more backrest, and is supported by the framework after being bound, is tidy and attractive and cannot topple over. The rope ladder is stable in storage, neat and attractive and cannot topple over. Practicality is strong and a ship owner is satisfied.
Owner:CHENGXI SHIPYARD
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