CN214566019U - Boarding gangway ladder for ships with different freeboard heights - Google Patents

Abstract

The utility model provides a gangway ladder of stepping on board that can be used to high boats and ships of different freeboards, includes the ladder frame, ladder frame top and bottom are provided with the footboard of stepping on the board and the footboard of stepping on the board respectively, and the even interval of ladder frame inboard is equipped with movable footboard, all adopts hinged joint between ladder frame and the footboard of stepping on the board, and the spout corresponding with movable footboard position is seted up to ladder frame lateral wall, adopts pivot one to be connected between ladder frame and the movable footboard, and a pivot activity runs through the spout. The roller wheels slide left and right along the ground to adjust the height of the gangway ladder so as to adapt to different height differences and save the workload of changing the gangway ladder by workers.

Description

Boarding gangway ladder for ships with different freeboard heights

Technical Field

The utility model belongs to gangway ladder device field, concretely relates to gangway ladder of boarding that can be used to the high boats and ships of different freeboards.

Background

The gangway ladder is a movable staircase which is arranged on two sides of a ship and is used for passengers to get on and off the ship and is made of wood or metal. Comprises an upper platform, a lower platform, a ladder frame, ladder steps, handrail, a hanging ladder device and the like. The ship is hoisted when sailing, folded and stored at the edge of the deck, and put down and hung on the side of the board when in use. The gangway ladder device is generally used for passenger ships and other various large and medium ships. The gangway ladder device consists of a gangway ladder and a retracting mechanism thereof, and is generally arranged above a bulkhead or a ship deck, and a gangway edge is not closed by an outer plate. When the accommodation ladder is used, the accommodation ladder is moved out of a ship by using the retraction mechanism and is obliquely arranged close to a hull plate at the ship for people to get on and off. When the ship sails, the gangway ladder is folded and fastened and fixed at the side of the deck.

Among the prior art, application number is 201921070167.X discloses a gangway ladder of marking time movably, including the gangway ladder frame, the one end of gangway ladder frame is provided with the connection pivot, and the one end of gangway ladder frame articulates through connecting the pivot has the inclined plane ladder, and the inside of gangway ladder frame is provided with a plurality of footboards, and the both ends of footboard are provided with location axle and dead lever, and the both ends of location axle are connected for rotating with the inboard of gangway ladder frame, and a plurality of arcs have been seted up to the side of gangway ladder frame. The footboard passes through the location axle to be fixed on the gangway ladder frame, and does not influence and rotate to utilize the dead lever to see through arc mouth and metal pole contact, and the metal pole removes and can drive the dead lever and remove on the arc mouth, thereby make the footboard use the location axle to rotate as the initial point, thereby adjust the angle of footboard, telescopic cylinder and metal pole contact utilize the removal of the steerable metal pole of telescopic cylinder, thereby realize the rotation angle of control footboard.

This type of gangway ladder among the above-mentioned prior art, when boats and ships and bank apart from changing, the gangway ladder is different with the angle of ground contact in different places, and the adaptation that can not be fine changes the difference in height of back boats and ships deck and bank ground, leads to personnel to walk on the gangway ladder probably to take place the accident.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an adjustable horizontal gangway ladder of marking time is provided to when having boats and ships and bank distance to change among the above-mentioned prior art of solution, the gangway ladder is different with the angle of ground contact in different places, and the adaptation that can not be fine changes the difference in height on back boats and ships deck and bank ground, leads to personnel to walk on the gangway ladder and can take place unexpected technical problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a boarding gangway ladder for ships with different freeboard heights comprises a ladder frame, wherein the upper end of the ladder frame is hinged with a boarding pedal, and the lower end of the ladder frame is hinged with the boarding pedal; the inner side of the ladder frame is provided with a movable pedal, the left and the right of the movable pedal are fixedly provided with a connecting shaft, and the connecting shaft penetrates through a sliding groove in the ladder frame and is locked.

The connecting shaft is located ladder frame inboard and is equipped with the stopper, and the connecting shaft is located the ladder frame outside and is equipped with first locking bolt, and the connecting shaft is locked through first locking bolt.

The step-up footboard lateral wall is equipped with a plurality of gyro wheel cardboards, and the gyro wheel cardboard passes through the rotatable installation gyro wheel support of pivot, and the pivot is passed through second locking bolt locking, and gyro wheel is installed to gyro wheel support end.

And adjustable bases are fixedly mounted at the four corner supporting positions at the bottom of the boarding pedal.

The length of the boarding pedal and the length of the boarding pedal are both larger than that of the movable pedal, and a plurality of bulges are arranged on the upper surfaces of the movable pedal, the boarding pedal and the boarding pedal.

And a protective rod is also arranged on the ladder frame.

The upper end of guard bar is circular-arc and is connected with the ladder frame, and the lower extreme of guard bar is crooked and links to each other with the ladder frame, and chamfer department adopts the circular arc to handle.

The guard bar is provided with a chain.

The movable pedals are provided with lifting lugs, and the lifting lugs between adjacent movable pedals are connected through turnbuckles.

The beneficial effects of the utility model are that adjust the height of ladder through the gyro wheel along ground horizontal slip to adapt to different difference in height, save the work load that the staff changed the ladder, through set up first locking bolt and stopper at the connecting axle both ends, made things convenient for the fixed of marking time and dismantled, the connecting axle can be followed the spout and freely slided, make the activity footboard mark time can adjust the angle and keep the horizontality, when the deck unevenness, the adjustable base of accessible footboard bottom of boarding carries out the leveling to the footboard of boarding.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the ladder frame.

Fig. 3 is a side view of the step tread.

Fig. 4 is a schematic top view of a movable step.

In the figure, boarding pedals 1, a ladder frame 2, boarding pedals 3, movable pedals 4, sliding grooves 5, limiting blocks 6, rotating shafts 7, roller clamping plates 8, connecting shafts 9, roller supports 10, rollers 11, adjustable bases 12, chains 13, guard bars 14, first locking bolts 15, second locking bolts 16, bulges 17, lifting lugs 18 and turnbuckles 19.

Detailed Description

As shown in fig. 1-4, a boarding gangway ladder for ships with different freeboard heights comprises a ladder frame 2, wherein boarding pedals 1 and boarding pedals 3 are respectively arranged at the top end and the bottom end of the ladder frame 2, movable pedals 4 are uniformly arranged on the inner side of the ladder frame at intervals, the ladder frame and the boarding pedals 1 and the boarding pedals 3 are connected through hinges, sliding grooves 5 corresponding to the movable pedals 4 are formed in the side wall of the ladder frame 2, the ladder frame 2 is connected with the movable pedals 4 through a connecting shaft 9, and the connecting shaft 9 movably penetrates through the sliding grooves 5.

Further, the two ends of the connecting shaft 9 are provided with first locking bolts 15, and the first locking bolts 15 are located at the outer side of the ladder frame 2.

Further, the two ends of the connecting shaft 9 are provided with limiting blocks 6, one ends of the limiting blocks 6 are embedded in the sliding grooves, and the limiting blocks 6 are located on the inner side of the ladder frame 2.

Further, 3 lateral walls of step-up footboard are equipped with a plurality of gyro wheel cardboard 8, and gyro wheel cardboard 8 is connected with gyro wheel support 10 through pivot 7, installs gyro wheel 11 on the gyro wheel support 10, and 7 horizontal end covers of pivot are equipped with second locking bolt.

Furthermore, adjustable bases 12 are fixedly mounted at four corner supporting positions at the bottom of the boarding pedal 1.

Furthermore, the length of the boarding pedal 1 and the length of the boarding pedal 3 are both larger than that of the movable pedal 4, a plurality of bulges 17 are arranged on the upper surfaces of the movable pedal 4, the boarding pedal 1 and the boarding pedal 3, in order to achieve a better using effect, threaded holes can be drilled in the movable pedal 4, the boarding pedal 1 and the boarding pedal 3, and screws and the threaded holes are in threaded connection to form the bulges 17, so that the friction force of the movable pedal 4, the boarding pedal 1 and the boarding pedal 3 is increased, and the screws can be taken out for replacement after being used for multiple times.

Further, the ladder frame 2 is also provided with a guard bar 14, so that personnel can get on and off the gangway ladder more safely.

Further, the upper end of the guard bar 14 is arc-shaped and is connected with the ladder frame 2, the lower end of the guard bar 14 is bent by 120 degrees and is connected with the ladder frame 2, and the chamfer is processed by an arc.

Further, a chain 13 is provided on the guard bar 14.

Furthermore, the movable pedal 4 is provided with lifting lugs 18, the upper lifting lug and the lower lifting lug 18 are connected through turnbuckles 19, the turnbuckles 19 are screwed down after the position of the movable pedal 4 is adjusted, and the movable pedal 4 is prevented from overturning when a person goes up and down the gangway.

The utility model discloses a theory of operation does: when a ship is in shore, the gangway ladder is put down, the gangway ladder can be fixed on a deck gangway side through the chain 13, the ladder frame 2 rotates around the hinge under the action of gravity, when the boarding ladder pedal 3 is in contact with the ground, the ladder frame 2 stops rotating, the gangway ladder is self-locked, so that when a pedestrian steps on the gangway ladder, the whole gangway ladder cannot shake, and the safety of the pedestrian when boarding the gangway ladder is ensured; when the weight of the ship changes, the height difference between the deck and the ground changes, the roller 11 can be put down to roll to adjust the height of the ladder frame 2, so that the gangway ladder reaches a new self-locking state, and the gangway ladder can adapt to different height differences; when the ground is uneven, loosening the first locking bolts 15 at the two ends of the connecting shaft, sliding the movable pedal 4 up and down along the sliding grooves 5 to level the two ends of the movable pedal 4, then screwing the first locking bolts 15, and fixing the movable pedal 4 through the matching of the limiting blocks 6 and the first locking bolts 15; in addition, when the gangway ladder needs to be moved, the gangway ladder can be moved only by stretching the roller 11 at the side of the boarding pedal 3 through the rotating shaft 7, and when the gangway ladder needs to be stably placed, the roller at the side of the boarding pedal 3 needs to be folded and unfolded through the rotating shaft 7; when the deck is uneven, the boarding pedal 1 can be leveled by the adjustable base 12 at the bottom of the boarding pedal 1 so that the boarding pedal 1 is in a horizontal state.

Claims (9)

1. A boarding gangway ladder that can be used to boats of different freeboard heights, includes ladder frame (2), its characterized in that: the upper end of the ladder frame (2) is hinged with the boarding pedal (1), and the lower end of the ladder frame is hinged with the boarding pedal (3); the inner side of the ladder frame (2) is provided with a movable pedal (4), the left and the right of the movable pedal (4) are fixed with a connecting shaft (9), and the connecting shaft (9) penetrates through a sliding groove (5) on the ladder frame (2) and is locked.

2. A boarding ramp for vessels of different freeboard heights according to claim 1, characterized in that: the connecting shaft (9) is located ladder frame (2) inboard and is equipped with stopper (6), and connecting shaft (9) is located ladder frame (2) outside and is equipped with first locking bolt (15), and connecting shaft (9) are locked through first locking bolt (15).

3. A boarding ramp for vessels of different freeboard heights according to claim 1, characterized in that: the side wall of the stair climbing pedal (3) is provided with a plurality of roller clamping plates (8), the roller clamping plates (8) are rotatably provided with roller supports (10) through rotating shafts (7), the rotating shafts (7) are locked through second locking bolts (16), and rollers (11) are arranged at the tail ends of the roller supports (10).

4. A boarding ramp for vessels of different freeboard heights according to claim 1, characterized in that: the four-corner support part at the bottom of the boarding pedal (1) is fixedly provided with an adjustable base (12).

5. A boarding ramp for vessels of different freeboard heights according to claim 1, characterized in that: the length of the boarding pedal (1) and the length of the boarding pedal (3) are both larger than that of the movable pedal (4), and a plurality of bulges are arranged on the upper surfaces of the movable pedal (4), the boarding pedal (1) and the boarding pedal (3).

6. A boarding ramp for vessels of different freeboard heights according to claim 1, characterized in that: and a guard bar (14) is also arranged on the ladder frame (2).

7. A boarding ramp for vessels of different freeboard heights, according to claim 6, characterized in that: the upper end of guard bar (14) is circular-arc and is connected with ladder frame (2), and the lower extreme of guard bar (14) is crooked and links to each other with ladder frame (2), and chamfer department adopts the circular arc to handle.

8. A boarding ramp for ships of different freeboard heights according to claim 6 or 7, characterized in that: and a chain (13) is arranged on the guard bar (14).

9. A boarding ramp for vessels of different freeboard heights according to claim 1, characterized in that: lifting lugs (18) are installed on the movable pedals (4), and the lifting lugs (18) between the adjacent movable pedals (4) are connected through turnbuckles (19).

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