Foldable ship gangway ladder mechanism

Abstract

The utility model relates to the field of ship gangway ladders, and discloses a foldable ship gangway ladder mechanism which comprises a first supporting plate, a first handrail is fixedly connected to the upper portion of the first supporting plate, a second supporting plate is arranged on the lower portion of the first supporting plate, a second handrail is fixedly connected to the upper portion of the second supporting plate, and a sliding groove is formed in the outer side of the second supporting plate. The first supporting plate is slidably connected to the inner wall of the sliding groove, a limiting mechanism is arranged on the inner wall of the second supporting plate, and the limiting mechanism comprises a limiting assembly and an auxiliary assembly. According to the folding gangway ladder, the first supporting plate can slide in the sliding groove of the second supporting plate and is matched with the limiting mechanism to achieve folding, compared with a traditional gangway ladder with the fixed length, the occupied space on a ship is reduced, the space utilization efficiency of the ship is improved, meanwhile, the limiting assembly can ensure that the gangway ladder keeps stable in different unfolding states, and the folding effect is good. And the multiple groups of slots can meet different length requirements, so that the gangway ladder is suitable for ships with various heights, and the use flexibility of the gangway ladder is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ship gangway, especially a foldable ship gangway mechanism. BACKGROUND

[0002] The ship gangway is a key channel facility connecting the ship with the outside world, and plays an indispensable role in the ship operation process. From the definition, it is a special movable equipment installed on the ship side, used for personnel boarding and disembarking, cargo loading and unloading, and material transfer between the ship and the wharf.

[0003] The basic function is primarily to ensure the safety and convenience of personnel passing between the ship and the land (or other ships). For passenger transport ships such as cruise ships, the gangway is the only way for passengers to board and disembark, and its comfort and safety directly affect the passenger experience.

[0004] The existing gangway is basically fixed in length, which cannot be applied to ships of various heights and sizes, and is not convenient to use. At the same time, it occupies a large space when not in use. For some ships with limited space, especially small ships or ships with compact internal layout, the space utilization efficiency is reduced. Therefore, a foldable ship gangway mechanism is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a foldable ship gangway mechanism, which solves the problem of "the existing gangway is basically fixed in length, which reduces the space utilization efficiency for some ships with limited space" in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a foldable ship gangway mechanism, comprising a support plate one, a handrail one is fixedly connected to the upper part of the support plate one, a support plate two is arranged at the lower part of the support plate one, a handrail two is fixedly connected to the upper part of the support plate two, a sliding groove is formed in the outer side of the support plate two, the support plate one is slidingly connected to the inner wall of the sliding groove, a limiting mechanism is arranged on the inner wall of the support plate two, the limiting mechanism comprises a limiting assembly and an auxiliary assembly, the limiting assembly comprises a limiting rod, the limiting rod is slidingly connected to the inner wall of the support plate two, the lower part of the limiting rod is slidingly connected to the inner wall of the support plate one, the upper part of the limiting rod is fixedly connected with a fixed rod, the fixed rod is rotatably connected with a limiting piece outside, a limiting column is fixedly connected outside the handrail one, a guide groove is formed in the outer side of the handrail two, the fixed rod is slidingly connected to the inner wall of the guide groove, a slot is formed in the outer side of the support plate two, and the limiting rod is inserted into the inner wall of the slot.

[0007] As a further description of the above technical scheme:

[0008] The auxiliary assembly comprises a roller, which is rotationally connected to an inner wall of the support plate one, and the roller is attached to the outer side of the support plate two.

[0009] As a further description of the above technical solution:

[0010] The support plate one and the support plate two are provided with anti-skid strips at the upper portions.

[0011] As a further description of the above technical solution:

[0012] The inner side of the limiting piece is provided with an annular groove, and one end of the annular groove is in a closed state, and the limiting column slides in the inner side of the annular groove of the limiting piece.

[0013] As a further description of the above technical solution:

[0014] The limiting column is provided with a plurality of groups, and the plurality of groups of the limiting column are respectively arranged above and on the left side of the limiting rod.

[0015] As a further description of the above technical solution:

[0016] The lower portion of the support plate is provided with a traction assembly, the traction assembly comprises a driving motor, the driving motor is fixedly connected to the lower portion of the support plate, and the output shaft of the driving motor is fixedly connected with a winch.

[0017] As a further description of the above technical solution:

[0018] The outer side of the winch is wound with a traction rope, the outer side of the winch is provided with a protective shell two, and the protective shell two is fixedly connected to the lower portion of the support plate.

[0019] As a further description of the above technical solution:

[0020] The lower portion of the support plate two is fixedly connected with a protective shell one, the inner wall of the protective shell one is rotationally connected with a rotating disc, the traction rope is arranged outside the rotating disc, one end of the traction rope is fixedly connected to the outer side of the winch, and the other end of the traction rope is fixedly connected to the outer side of the protective shell two.

[0021] The utility model has the advantages of:

[0022] 1、The support plate one can slide in the sliding groove of the support plate two, and the folding is realized by cooperating with the limiting mechanism, compared with the traditional fixed-length gangway, the occupied space on the ship is reduced, the space utilization efficiency of the ship is improved, the limiting assembly can ensure that the gangway remains stable in different unfolded states, a plurality of groups of the insertion slots can meet different length requirements, and the gangway is suitable for ships of various heights and sizes, and the use flexibility of the gangway is improved.

[0023] 2. In this utility model, the combined use of support plate one, support plate two and auxiliary components drives the drive motor to rotate the winch, raise and lower the traction rope, and changes the direction of the traction rope by turning the turntable, thereby achieving power assistance for folding the gangway. At the same time, the protective shell can protect the internal components, prevent them from being affected by the external environment, extend their service life, and also prevent personnel from contacting the moving parts, thus improving operational safety. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the overall device in this utility model;

[0025] Figure 2 This is a three-dimensional structural diagram of the disassembled traction component in this utility model, viewed from below.

[0026] Figure 3 This is a three-dimensional structural diagram of the slot and slide in this utility model;

[0027] Figure 4 This is a three-dimensional structural diagram of the limiting rod and the fixing rod in this utility model;

[0028] Figure 5 This is a three-dimensional structural diagram of the limiting component in this utility model;

[0029] Figure 6 This utility model Figure 4 A magnified three-dimensional structural diagram at point A in the middle.

[0030] Legend:

[0031] 1. Support plate one; 2. Support plate two; 3. Railing one; 4. Railing two; 51. Limiting rod; 52. Fixing rod; 53. Limiting component; 54. Limiting post; 55. Guide groove; 56. Slot; 6. Slide groove; 7. Roller; 81. Drive motor; 82. Winch; 83. Traction rope; 84. Turntable; 85. Protective shell one; 86. Protective shell two. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figure 1 - Figure 3The utility model provides a kind of foldable ship gangway mechanism of embodiment: a kind of foldable ship gangway mechanism, including support plate one 1, the upper part of support plate one 1 is fixedly connected with rail one 3, support plate two 2 is arranged in the lower part of support plate one 1, support plate one 1 can be slid in the sliding slot 6 outside support plate two 2, the expansion and folding function of gangway is realized by both cooperation, when expanding, increase gangway length to adapt to different ship height, when folding, reduce the space occupied on ship, improve ship space utilization efficiency, the upper part of support plate two 2 is fixedly connected with rail two 4, rail one 3 and rail two 4, for guaranteeing the safety of personnel in the process of using gangway, prevent personnel from falling from both sides of gangway, sliding slot 6 is opened in the outside of support plate two 2, for limiting support plate one 1 and support plate two 2, prevent disengagement, support plate one 1 is slidably connected in the inner wall of sliding slot 6, the inner wall of support plate two 2 is provided with limiting mechanism, limiting mechanism includes limiting assembly and auxiliary assembly, limiting assembly includes limiting rod 51, by inserting the insertion slot 56 of different positions outside support plate two 2, the relative position of support plate one 1 and support plate two 2 is fixed, to determine the unfolding length of gangway, meet the use demand of different height size ship, limiting rod 51 is slidably connected in the inner wall of support plate two 2.

[0034] Refer to Figure 4 Figure 6 The lower part of limiting rod 51 is slid in the inner wall of support plate one 1, the upper part of limiting rod 51 is fixedly connected with fixed rod 52, and is slid in the inner wall of guide slot 55, which can further enhance the stability of the relative position of support plate one 1 and support plate two 2, the outer side of fixed rod 52 is rotatably connected with limiting piece 53, the outer side of rail one 3 is fixedly connected with limiting column 54, limiting piece 53 is slid on the outer side of limiting column 54 through the annular groove thereon, which can limit limiting rod 51, the outer side of rail two 4 is provided with guide slot 55, which plays a guiding and auxiliary fixing role, the outer side of fixed rod 52 is slid in the inner wall of guide slot 55, the outer side of support plate two 2 is provided with insertion slot 56, the insertion slot 56 is provided with multiple groups, which can control the expansion length of support plate two 2 by cooperating with limiting rod 51, meet the use demand of different height size ship, limiting rod 51 is inserted in the inner wall of insertion slot 56.

[0035] Refer to Figure 1 and Figure 4 The auxiliary assembly includes roller 7, the inner wall of support plate one 1 is rotatably connected with roller 7, roller 7 is attached to the outside of support plate two 2, and multiple groups are provided, in the sliding process of support plate one 1, multiple groups of rollers 7 roll to reduce friction, make support plate one 1 slide more smoothly in the sliding slot 6 of support plate two 2, assist the expansion and folding operation of gangway, support plate one 1 and support plate two 2 are provided with antiskid strip on the upper part, increase the friction between shoe sole and gangway surface when personnel walk, prevent personnel from slipping in the process of using gangway, guarantee personnel walking safety.

[0036] Refer to Figure 3 ​and Figure 5 The inner side of the limiting member 53 is provided with an annular groove, and one end of the annular groove is closed. The limiting post 54 slides inside the annular groove of the limiting member 53. When the limiting member 53 is rotated, the annular groove can wrap around the limiting post 54, thereby limiting and fixing the limiting rod 51 and preventing the limiting rod 51 from loosening. Multiple sets of limiting posts 54 are provided, and the multiple sets of limiting posts 54 are respectively set above and to the left of the limiting rod 51. They can limit the limiting rod 51 in the locked and unlocked states, improve the stability of the limiting rod 51, and facilitate the folding and storage of the support plate 2.

[0037] Reference Figure 2 A traction assembly is provided at the lower part of the support plate 1. The traction assembly includes a drive motor 81, which is a geared motor that can drive the winch 82 to rotate. This technology is existing technology, so it will not be described in detail. The drive motor 81 is fixedly connected to the lower part of the support plate 1. The winch 82 is fixedly connected to the lower part of the output shaft of the drive motor 81. By winding and unwinding the traction rope 83 wound around the outside of the winch 82, power assistance is provided for the folding and extension of the gangway. The traction rope 83 is wound around the outside of the winch 82. By winding the traction rope 83 around the winch 82, the support plate 2 can be driven to slide to the lower part of the support plate 1. At the same time, when the support plate 2 is fixed to the support plate 1, pressure can be applied to the support plate 2 to make the limiting rod 51 more stable.

[0038] Furthermore, a protective shell 86 is provided on the outside of the winch 82 to protect the internal winch 82 from external environmental factors such as seawater erosion and collisions with debris, while also preventing personnel from contacting the moving parts and improving operational safety. The protective shell 86 also has perforations on its outside for the passage of the traction rope 83. The protective shell 86 is fixedly connected to the lower part of the support plate 1. A protective shell 85 is fixedly connected to the lower part of the support plate 2 to protect the turntable 84. It has two perforations for the passage of the traction rope 83. The turntable 84 is rotatably connected to the inner wall of the protective shell 85. The turntable 84 changes the direction of the traction rope 83, allowing the drive motor 81 to control the folding of the gangway when it drives the winch 82 to raise or lower the traction rope 83. The traction rope 83 is located on the outside of the turntable 84, with one end fixedly connected to the outside of the winch 82 and the other end fixedly connected to the outside of the protective shell 86.

[0039] Working principle: in use, when the ship is docked, the gangway needs to be used, the driving motor 81 is started, the driving motor 81 drives the winch 82 to rotate, the winch 82 starts to release the rope, the traction rope 83 is gradually loosened, because the traction rope 83 passes through the rotating disc 84, the rotating disc 84 changes the direction of the traction rope 83, at this time the handrail 24 is pushed, so that the supporting plate 22 slides downward along the sliding groove 6 outside the supporting plate 1, in the process, the plurality of rollers 7 rolls, reduces the friction between the supporting plate 1 and the supporting plate 2, makes the sliding of the supporting plate 2 more smooth, assists the gangway to expand smoothly.

[0040] With the sliding of the supporting plate 2, the gangway is gradually expanded to the appropriate length, at this time, the limiting piece 53 is rotated first, the annular groove on it is separated from the limiting column 54, at this time, the limiting piece 53 is pulled down to drive the limiting rod 51 to move, and is inserted into the inner wall of the insertion slot 56 on the corresponding supporting plate 2, so as to limit the supporting plate 2, at the same time, the fixed rod 52 slides in the inner wall of the guide groove 55, to ensure that the limiting rod 51 is accurately inserted into the insertion slot 56.

[0041] At this time, the limiting piece 53 is rotated again, the annular groove on it slides outside the lower group of limiting columns 54, and the fixed rod 52 and the limiting rod 51 are fixed and limited, so that the relative position of the supporting plate 1 and the supporting plate 2 is fixed stably, the gangway is kept stable in the expanded state, the needs of personnel boarding and cargo loading and unloading are met, in addition, the anti-skid strips arranged on the upper parts of the supporting plate 1 and the supporting plate 2 increase the friction between the soles and the surface of the gangway when the personnel walk, to ensure the walking safety of the personnel in the process of using the gangway.

[0042] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A collapsible ship gangway mechanism comprising a support plate (1) characterised in that: The upper part of the support plate one (1) is fixedly connected with the railing one (3), the lower part of the support plate one (1) is provided with the support plate two (2), the upper part of the support plate two (2) is fixedly connected with the railing two (4), the outer side of the support plate two (2) is provided with the sliding groove (6), the support plate one (1) is slidingly connected in the inner wall of the sliding groove (6), the inner wall of the support plate two (2) is provided with the limiting mechanism, the limiting mechanism comprises a limiting assembly and an auxiliary assembly, the limiting assembly comprises a limiting rod (51), the limiting rod (51) is slidingly connected in the inner wall of the support plate two (2), the lower part of the limiting rod (51) is slidingly connected in the inner wall of the support plate one (1), the upper part of the limiting rod (51) is fixedly connected with the fixed rod (52), the outer side of the fixed rod (52) is rotatably connected with the limiting piece (53), the outer side of the railing one (3) is fixedly connected with the limiting column (54), the outer side of the railing two (4) is provided with the guide groove (55), the outer side of the fixed rod (52) is slidingly connected in the inner wall of the guide groove (55), the outer side of the support plate two (2) is provided with the insertion slot (56), and the limiting rod (51) is inserted in the inner wall of the insertion slot (56).

2. A collapsible boat boarding ramp mechanism according to claim 1, characterised in that: The auxiliary assembly comprises a roller (7), the roller (7) is rotatably connected in the inner wall of the support plate one (1), and the roller (7) is attached to the outer side of the support plate two (2).

3. A collapsible boat boarding ramp mechanism according to claim 1 wherein: A plurality of insertion slots (56) are arranged, and anti-skid strips are arranged on the upper parts of the support plate one (1) and the support plate two (2).

4. A collapsible boat boarding ramp mechanism according to claim 1, wherein: The inner side of the limiting piece (53) is provided with an annular groove, and one end of the annular groove is in a closed state, and the limiting column (54) is slidingly connected in the annular groove of the limiting piece (53).

5. A collapsible boat boarding ramp mechanism according to claim 1 wherein: A plurality of limiting columns (54) are arranged, and the plurality of limiting columns (54) are arranged above and left of the limiting rod (51) respectively.

6. A collapsible boat boarding ramp mechanism according to claim 1 wherein: The lower part of the support plate one (1) is provided with a traction assembly, the traction assembly comprises a driving motor (81), the driving motor (81) is fixedly connected to the lower part of the support plate one (1), and the output shaft of the driving motor (81) is fixedly connected with a winch (82).

7. A collapsible boat boarding ramp mechanism according to claim 6, wherein: The outer side of the winch (82) is wound with a traction rope (83), the outer side of the winch (82) is provided with a protective shell two (86), and the protective shell two (86) is fixedly connected to the lower part of the support plate one (1).

8. A collapsible boat boarding ramp mechanism according to claim 7, wherein: The lower part of the support plate two (2) is fixedly connected with a protective shell one (85), the inner wall of the protective shell one (85) is rotatably connected with a rotating disc (84), the traction rope (83) is arranged outside the rotating disc (84), one end of the traction rope (83) is fixedly connected outside the winch (82), and the other end of the traction rope (83) is fixedly connected outside the protective shell two (86).

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