CN205686577U - Self-adjusting boarding ladders based on fixed quay stair - Google Patents

Self-adjusting boarding ladders based on fixed quay stair Download PDF

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Publication number
CN205686577U
CN205686577U CN201620557683.5U CN201620557683U CN205686577U CN 205686577 U CN205686577 U CN 205686577U CN 201620557683 U CN201620557683 U CN 201620557683U CN 205686577 U CN205686577 U CN 205686577U
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China
Prior art keywords
stair
fixed quay
hoistable platform
quay
self
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CN201620557683.5U
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Chinese (zh)
Inventor
任长合
李见
聂伟
高龙岗
郭宝圣
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Zhenjiang Watercraft College of Pla
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Zhenjiang Watercraft College of Pla
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Abstract

This utility model relates to shipbuilding technical field, particularly to a kind of self-adjusting boarding ladders based on fixed quay stair.A kind of self-adjusting boarding ladder based on fixed quay stair, including fixed quay stair, every rank fixed quay stairway step dual-side is equipped with hole, location;Hoistable platform is planar rectangular frame structure, is set in fixed quay stair peripheral, and hoistable platform is parallel to two long limits of fixed quay stair length direction and is provided with guide pipe;Active foot plate is respectively arranged at the two ends with 2 alignment pins, is respectively used to coordinate with the hole, location on fixed quay stairway step, and coordinates with the guide pipe on hoistable platform, and Active foot plate and fixed quay stair or hoistable platform connect;Gangway ladder lowering or hoisting gear is for controlling the lifting of hoistable platform.The minimum step platform of gangway ladder of going on board of the present utility model and ship deck are in same plane, with tidal range change and boats and ships synchronization lifting, reach to guarantee the upper and lower dock safety of personnel, convenient, fast, decrease the workload of operator on duty.

Description

Self-adjusting boarding ladders based on fixed quay stair
Technical field
This utility model relates to shipbuilding technical field, steps on particularly to a kind of self-adjustings based on fixed quay stair Ship's ladder.
Background technology
When fixed quay stopped by boats and ships, large ship generally carries ramp or the gangway ladder work of going on board utilizing harbour to provide For the passage above gone ashore, as shown in Figure 1.Stopping for ease of low freeboard spitkit, fixed quay is usually provided with less than harbour The fixing stair of principal plane.Medium and small-scale vessel connects ship deck and fixing stair by common springboard, logical as above go ashore Road.But being affected by tide, fixed quay SEA LEVEL VARIATION is bigger.At present, large ship carries ramp or harbour carry The gangway ladder major part of going on board of confession is suitable for the change of tidal range, but this type of gangway ladder is usually applicable only to main deck height after landing pier Higher than the boats and ships of harbour principal plane, a kind of wharf boarding ladder of prior art, including upper mounting plate, rotating base, inclined ladder and lower flat Platform, described upper mounting plate is fixed in deck in ship structure, and described rotating base is connected to upper mounting plate by vertical shaft and plane bearing Bottom, described inclined ladder two ends are provided with lateral connection axle and connect rotating base and lower platform respectively.And low freeboard spitkit Use springboard to connect boats and ships to make with the mixed earth less than harbour principal plane of setting on fixed quay or the fixing stair of steel construction Shortcoming for passage of going on board is as the lifting of water level, and the gradient of springboard, change in location are very big and rock, and need by sending Operator on duty adjusts springboard in time, the most also needs the stop position according to the mobile boats and ships of tidal range change, to the upper lower terminal of personnel While bringing potential safety hazard, too increase the workload of operator on duty.
Utility model content
The purpose of this utility model is to fix existing concrete on the basis of stair simply transform, design a from Adjusting boarding ladder, the minimum step platform of this boarding ladder and ship deck are in same plane, and same with boats and ships with tidal range change Step lifting, reaches to guarantee the upper and lower dock safety of personnel, convenient, fast, reduces the purpose of person works on duty amount.Based on this mesh , the technical solution adopted in the utility model is as follows:
A kind of self-adjusting boarding ladder based on fixed quay stair, including fixed quay stair, fixed quay stair every Two ends, stage rank are all drilled with hole, location;Hoistable platform is planar rectangular frame structure, and fixed quay stair are in the projection of horizontal plane Area is less than the area in the framework of hoistable platform, and one of them minor face of hoistable platform is provided with base pedal, is parallel to fixed quay Two long limits of stair length direction are provided with guide pipe;Active foot plate is tabular, and it is in the longitudinal direction more than fixed code The length of head stairway step, it is respectively arranged at the two ends with at least 2 alignment pins, one of them alignment pin for and fixed quay stair Hole, location coordinate, another alignment pin for and hoistable platform on guide pipe coordinate, Active foot plate and fixed quay stair Or hoistable platform connects;Gangway ladder lowering or hoisting gear and hoistable platform connect, for controlling the lifting of hoistable platform.Gangway ladder lowering or hoisting gear Controlling rising or falling of hoistable platform, hoistable platform is planar rectangular steel framework structure, and effect is to pick up and lay activity Pedal, when water level rises, hoistable platform floats, and the alignment pin on Active foot plate inserts the guide pipe on hoistable platform, and activity is stepped on Plate is held up by hoistable platform subsequently, leaves ladder, rises with platform.
Further, below described hoistable platform, 4 angles are respectively arranged with location wheel and traveling wheel, and described location wheel is used for The horizontal level of positioned-lifting platform, traveling wheel is for coordinating with gangway ladder lowering or hoisting gear.Location wheel is for positioned-lifting platform Horizontal level, it is ensured that Active foot plate alignment pin and the hole, location on fixed quay stairway step, hoistable platform guide pipe are with movable Pedal alignment pin can assemble in lifting process and put in place;Traveling wheel coordinates with the guide rail of gangway ladder lowering or hoisting gear, reduces friction, complete Become the up and down motion of platform.
Further, described gangway ladder lowering or hoisting gear includes motor, wirerope, guide rail, level sensor, and level sensor controls The rotating of motor, it is achieved rising or falling of wirerope, the traveling wheel of hoistable platform rises or falls along guide rail.Level sensor Device sensed water level height change, controls motor automatic deploying and retracting wirerope, adjusts hoistable platform height.
Further, described wirerope includes rising wirerope and declining wirerope.It is flat that wirerope acts on lifting by actuating device Platform, when SEA LEVEL VARIATION, motor drives hoistable platform along on the guide rail being arranged in fixed quay vertical walls by wirerope Lower motion, makes hoistable platform be maintained at same plane with boats and ships main deck all the time.After hoistable platform is adjusted in place, motor stopping Brake, platform, under the common effect rising wirerope, decline wirerope and hoistable platform self gravitation, is positioned at suitable height Degree.
Further, described hoistable platform, Active foot plate are made of steel.
Further, described Active foot plate is respectively arranged at the two ends with 4 alignment pins, wherein two alignment pins of inner side and fixed code Hole, location on head stair coordinates, and the guide pipe on two alignment pins in outside and hoistable platform coordinates.
Further, described Active foot plate and fixed quay stairway step contact surface are pasted with antiskid, shock-absorbing rubber blanket.
Compare prior art, and this utility model has the advantages that
(1) this utility model simple in construction, to fixed quay original structure transformation little, adaptable, boarding ladder can be with one In Nian, the height of four seasons water level and the change of fluctuation tide fluctuating are automatically adjusted boarding platform height;
(2) by arranging hoistable platform, the minimum step platform of boarding ladder and ship deck are in same plane, and with tide Difference change and boats and ships synchronization lifting, utilize gangway ladder lowering or hoisting gear to drive hoistable platform to rise or fall, so that Active foot plate is also Rise or fall, it is not necessary to operator on duty individually adjusts springboard, it is ensured that the upper and lower dock safety of personnel, convenient, fast;
(3) gangway ladder lowering or hoisting gear uses level sensor to control motor, drives and rises wirerope or decline wirerope, thus really Protect traverser with SEA LEVEL VARIATION automatic height adjustment.
Accompanying drawing explanation
Fig. 1 is that common fixed quay is gone on board stair;
Fig. 2 is self-adjusting boarding ladder structural representations based on fixed quay stair;
Fig. 3 is hoistable platform structural representation;
Fig. 4 is the assembling schematic diagram of hoistable platform and fixed quay;
Fig. 5 is movable pedal structure schematic diagram;
Fig. 6 is that hoistable platform is raised to extreme higher position, has picked up the structural representation after all Active foot plates;
In figure, 1-fixed quay stair, 11-positions hole, 2-hoistable platform, 21-base pedal, and 22-positions wheel, and 23-walks Pulley, 3-Active foot plate, 31-alignment pin, 4-gangway ladder lowering or hoisting gear, 41-motor, 42-wirerope, 421-rises wirerope, under 422- Fall wirerope, 43-guide rail, 44-level sensor, 5-guide pipe.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is further described.
Embodiment 1
As shown in figures 2-6, a kind of self-adjusting boarding ladders based on fixed quay stair, including fixed quay stair 1, it is every Two ends, stage rank are all drilled with hole 11, location;Hoistable platform 2 is planar rectangular steel framework structure, and fixed quay stair 1 are in level The projected area in face is less than the area in the framework of hoistable platform 2, and one of them minor face of hoistable platform 2 is provided with base pedal 21, flat Row is provided with guide pipe 5 in two long limits of fixed quay stair length direction;Active foot plate 3 is steel plateform shape, and it is being grown More than the length of fixed quay stairway step on degree direction, it is respectively arranged at the two ends with 4 alignment pins 31,2 alignment pins 31 of inner side For coordinating with the hole, location 11 on fixed quay stair, outer peripheral two alignment pins 31 are used for and the guiding on hoistable platform Pipe 5 coordinates, and Active foot plate 3 and fixed quay stair 1 or hoistable platform 2 connect;Described gangway ladder lowering or hoisting gear 4 include motor 41, Wirerope 42, guide rail 43, level sensor 44;Motor 41 be from brake type can the hoist engine of rotating, level sensor 44 is used for Detection water surface elevation, controls motor 41 start and stop, according to water level automatic deploying and retracting wirerope 42, wirerope 42 include rising wirerope 421 and under Fall wirerope 422, acts on hoistable platform 2 by actuating device, and when SEA LEVEL VARIATION, motor drives hoistable platform edge by wirerope The guide rail being arranged in fixed quay vertical walls to move up and down, make hoistable platform be maintained at same with boats and ships main deck all the time Plane, after hoistable platform is adjusted in place, motor stopping brakes, and platform is rising wirerope, decline wirerope and hoistable platform certainly Under the common effect of heavy sensation of the body power, it is positioned at suitable height.
Below described hoistable platform 2,4 angles are respectively arranged with location wheel 22 and traveling wheel 23, and described location wheel is used for positioning The horizontal level of hoistable platform 2, it is ensured that the alignment pin 31 of Active foot plate 3 is put down with the hole, location 11 on fixed quay stair, lifting The alignment pin 31 of the guide pipe of platform 2 and Active foot plate 3 can assemble in lifting process and put in place;Traveling wheel 23 is used for and gangway ladder liter The guide rail 43 of falling unit 4 coordinates, and reduces friction, completes the up and down motion of hoistable platform 2.
In the present embodiment, the work process of self-adjusting boarding ladders based on fixed quay stair is as follows:
When water level raises, level sensor 44 controls motor 41 rolling and rises wirerope 421, releases and declines wirerope 422, makes Hoistable platform 2 rises.Along with the rising of hoistable platform 2, alignment pin outside the Active foot plate 3 being arranged on fixed quay stair 1 31 guide pipes 5 entering hoistable platform 2, are held up by hoistable platform 2 subsequently, leave fixed quay stair 1, with hoistable platform 2 one Rise and rise.By that analogy, Active foot plate 3 is picked up successively to be placed on hoistable platform 2, is formed with hoistable platform base pedal 21 and steps on Ship passage, and keep at grade with ship deck all the time.
When the water level descends, level sensor 44 controls motor 41 and releases rising wirerope 421, and rolling declines wirerope 422, rises Fall platform 2 declines along guide rail 43 under self gravitation effect, and the inner side alignment pin 31 of the pedal on hoistable platform enters fixing Hole, location 11 on harbour stair 1, along with hoistable platform 2 declines further, Active foot plate is placed on fixed quay building successively On the fixing step of ladder 1, forming stair of going on board stepwise, now hoistable platform base pedal is still maintained at same plane with ship deck On.
Last it is noted that above example only in order to this utility model is described and and unrestricted this utility model retouched The technical scheme stated;Therefore, although this utility model is had been carried out detailed with reference to each above-mentioned embodiment by this specification Illustrate, but, it will be understood by those within the art that, still this utility model can be modified or be equal to and replace Change;And all are without departing from the technical scheme of spirit and scope of the present utility model and improvement thereof, it all should contain in this practicality new In the right of type.

Claims (7)

1. self-adjusting boarding ladders based on fixed quay stair, including fixed quay stair (1), it is characterised in that: fixing The two ends, every stage rank of harbour stair (1) are all drilled with hole, location (11);Hoistable platform (2) is planar rectangular frame structure, fixing The harbour stair (1) area in framework less than hoistable platform (2) of the projected area of horizontal plane, hoistable platform (2) wherein Individual minor face is provided with base pedal (21), and two the long limits being parallel to fixed quay stair length direction are provided with guide pipe (5);Movable Pedal (3) is tabular, and it is in the longitudinal direction more than the length of step of fixed quay stair, and its two ends are equipped with at least 2 Individual alignment pin (31), one of them alignment pin (31) is used for coordinating with the hole, location (11) on fixed quay stair (1), another Alignment pin (31) is used for coordinating with the guide pipe (5) on hoistable platform, Active foot plate (3) and fixed quay stair (1) or lifting Platform (2) connects;Gangway ladder lowering or hoisting gear (4) and hoistable platform (2) connect, and are used for controlling the lifting of hoistable platform (2).
Self-adjusting boarding ladder based on fixed quay stair the most according to claim 1, it is characterised in that: described lifting is put down Below platform (2), 4 angles are respectively arranged with location wheel (22) and traveling wheel (23), and described location wheel is for positioned-lifting platform (2) Horizontal level, traveling wheel (23) for and gangway ladder lowering or hoisting gear (4) coordinate.
Self-adjusting boarding ladder based on fixed quay stair the most according to claim 2, it is characterised in that: described gangway ladder liter Falling unit (4) includes motor (41), wirerope (42), guide rail (43), level sensor (44), and level sensor (44) controls motor (41) rotating, it is achieved rising or falling of wirerope (42), the traveling wheel (23) of hoistable platform (2) rises along guide rail (43) Or decline.
Self-adjusting boarding ladder based on fixed quay stair the most according to claim 3, it is characterised in that: described wirerope (42) include rising wirerope (421) and declining wirerope (422).
Self-adjusting boarding ladder based on fixed quay stair the most according to claim 1, it is characterised in that: described lifting is put down Platform (2), Active foot plate (3) are made of steel.
Self-adjusting boarding ladder based on fixed quay stair the most according to claim 1, it is characterised in that: described activity is stepped on Plate (3) is respectively arranged at the two ends with 4 alignment pins (31), wherein two alignment pins (31) of inner side and determining on fixed quay stair (1) Hole, position (11) coordinates, and the guide pipe (5) on two alignment pins (31) in outside and hoistable platform coordinates.
Self-adjusting boarding ladder based on fixed quay stair the most according to claim 1, it is characterised in that: described activity is stepped on Plate (3) attaches antiskid, shock-absorbing rubber blanket with fixed quay stair (1) step contact surface.
CN201620557683.5U 2016-06-12 2016-06-12 Self-adjusting boarding ladders based on fixed quay stair Active CN205686577U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620557683.5U CN205686577U (en) 2016-06-12 2016-06-12 Self-adjusting boarding ladders based on fixed quay stair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620557683.5U CN205686577U (en) 2016-06-12 2016-06-12 Self-adjusting boarding ladders based on fixed quay stair

Publications (1)

Publication Number Publication Date
CN205686577U true CN205686577U (en) 2016-11-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620557683.5U Active CN205686577U (en) 2016-06-12 2016-06-12 Self-adjusting boarding ladders based on fixed quay stair

Country Status (1)

Country Link
CN (1) CN205686577U (en)

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