阅读说明：本技术 新型船用升降式伸缩折叠舷梯 (Novel marine lifting type telescopic folding gangway ladder ) 是由 姜瀚东 马忠俊 孙攀 季龙涛 谢蓉 于 2021-09-03 设计创作，主要内容包括：本发明公开了新型船用升降式伸缩折叠舷梯,包括：升降机构与平台连接,升降机由槽型支柱、滑块、升降油缸。槽型支柱焊接在平台上。滑块嵌槽型支柱内。油缸通过耳环连接在滑块及平台上。俯仰机构为俯仰油缸。俯仰油缸通过耳环连接在梯架下方两侧及滑块上。伸缩机构由伸缩油缸构成。伸缩油缸通过耳环连接在第一梯架与第三梯架下方。梯架由第一梯架、第二梯架、第三梯架、栏杆、滑轮、槽型梯轨、扶梯以及滑轮组成。栏杆焊接于槽型梯轨上方。扶梯焊接于第一梯架端部。滚轮安装于扶梯下端。本专利能实现登乘舷梯的自动收放、升降、俯仰,自动化程度提高,保障船员人身安全,同时能够满足更多的登乘工况。(The invention discloses a novel marine lifting type telescopic folding gangway ladder, which comprises: the lifting mechanism is connected with the platform, and the lifter comprises a groove-shaped pillar, a sliding block and a lifting oil cylinder. The groove-shaped support column is welded on the platform. The sliding block is embedded in the groove type support. The oil cylinder is connected to the sliding block and the platform through the ear rings. The pitching mechanism is a pitching oil cylinder. The pitching oil cylinder is connected to the two sides below the ladder frame and the sliding block through earrings. The telescopic mechanism is composed of a telescopic oil cylinder. The telescopic oil cylinder is connected below the first ladder frame and the third ladder frame through earrings. The ladder frame comprises first ladder frame, second ladder frame, third ladder frame, railing, pulley, cell type ladder rail, staircase and pulley. The railing welds in cell type ladder rail top. The staircase is welded to the first ladder frame end. The roller is arranged at the lower end of the escalator. This patent can realize ascending and descending, lift, every single move of automation of boarding accommodation ladder, and degree of automation improves, and guarantee crewman's personal safety can satisfy more the operating mode of riding on simultaneously.)

1. Novel marine over-and-under type folding gangway ladder that stretches out and draws back, its characterized in that includes:

two pillars arranged at a preset distance from each other;

a lifting mechanism mounted on the pillar;

a first ladder frame having a first end and a second end, the first end being connected to the lift mechanism for varying the height of the first end relative to the post;

a second ladder frame telescopically connected to the second end.

2. The novel marine lifting type telescopic folding gangway ladder of claim 1, wherein the lifting mechanism comprises a lifting driving piece and a sliding block, a lifting slide rail is arranged on the side surface of the strut, the lifting driving piece and the sliding block are respectively installed on the lifting slide rail, the first end of the first ladder frame is connected to the sliding block, and the lifting driving piece is used for driving the sliding block to slide along the lifting slide rail.

3. The novel marine elevating telescopic folding gangway ladder of claim 2, further comprising a pitching mechanism, wherein the pitching mechanism comprises a pitching driving member, one end of the pitching driving member is connected to the sliding block, the other end of the pitching driving member is connected to the first ladder frame, and the position of the pitching driving member connected to the sliding block is higher than the height of the first end of the first ladder frame.

4. The novel marine lifting type telescopic folding gangway ladder of claim 1, wherein a telescopic slide rail is arranged at a preset position of the first ladder frame along the length direction, the second ladder frame comprises a third end and a fourth end, and the third end is telescopically arranged on the telescopic slide rail.

5. The novel marine elevating telescopic folding gangway ladder of claim 4, wherein the preset position of the second ladder frame is provided with a pulley.

6. The novel marine lifting type telescopic folding gangway ladder of claim 4, further comprising a telescopic mechanism, wherein the telescopic mechanism comprises a telescopic driving piece, the telescopic driving piece is mounted on the telescopic sliding rail, and the telescopic driving piece is connected to the second ladder frame and used for controlling the second ladder frame to slide along the telescopic sliding rail.

7. The novel marine elevating telescopic folding gangway ladder of claim 4, further comprising a third ladder frame rotatably connected to the fourth end of the second ladder frame, and turning mechanisms respectively connected to the second ladder frame and the third ladder frame for controlling the third ladder frame to rotate relative to the second ladder frame.

8. The novel marine lifting type telescopic folding gangway ladder of claim 7, wherein the overturning mechanism comprises an overturning driving member and an overturning frame, the bottom end of the overturning frame is rotatably connected to the third ladder frame, one end of the overturning driving member is connected to the second ladder frame, and the other end of the overturning driving member is connected to the top of the overturning frame.

9. The novel marine lifting type telescopic folding gangway ladder as claimed in claim 8, wherein railings are respectively mounted on the first ladder frame, the second ladder frame and the third ladder frame.

10. The novel marine elevating telescopic folding gangway ladder according to any one of claims 2 to 9, further comprising an escalator, wherein the top of the escalator is rotatably connected to the sliding block, and rollers are mounted at the bottom of the escalator.

Technical Field

The invention relates to the field of special equipment of ships, in particular to a novel lifting type telescopic folding gangway ladder for ships.

Background

Boarding gangways are special equipment for safely and smoothly getting on and off ships, such as passengers, crews, a small amount of material supply and the like after various modern ships are berthed/anchored.

However, the length of the existing boarding gangway ladder is usually fixed, the applicable boarding working conditions are limited, when the boarding point position is higher or lower, the upward or downward bending angle of the ladder frame is too large, or the length of the gangway ladder is limited, so that a safe passage is difficult to form between a ship body and a berthing boat or a wharf; and under the working condition that the ship works at a large angle when boarding the gangway ladder, the personal safety of operating personnel is difficult to guarantee. In short, the existing boarding gangway ladder cannot adapt to more complex boarding conditions.

Disclosure of Invention

In view of the above technical problems, an object of the present invention is to provide a novel marine lifting type telescopic folding gangway ladder, which is adjustable in length and height, and can be applied to various boarding operation scenes, and various complex boarding operation environments on the sea and land.

In order to achieve the above object, the present invention provides a novel marine elevating telescopic folding gangway ladder, comprising:

two pillars arranged at a preset distance from each other;

a lifting mechanism mounted on the pillar;

a first ladder frame having a first end and a second end, the first end being connected to the lift mechanism for varying the height of the first end relative to the post;

a second ladder frame telescopically connected to the second end.

Preferably, the lifting mechanism comprises a lifting driving part and a sliding block, a lifting sliding rail is arranged on the side surface of the supporting column, the lifting driving part and the sliding block are respectively installed on the lifting sliding rail, the first end of the first ladder frame is connected to the sliding block, and the lifting driving part is used for driving the sliding block to slide along the lifting sliding rail.

Preferably, the novel marine lifting telescopic folding gangway ladder further comprises a pitching mechanism, the pitching mechanism comprises a pitching driving piece, one end of the pitching driving piece is connected to the sliding block, the other end of the pitching driving piece is connected to the first ladder frame, and the pitching driving piece is connected to the sliding block and is higher than the first ladder frame in height.

Preferably, the preset position of first ladder frame is provided with flexible slide rail along length direction, second ladder frame includes third end and fourth end, the third end telescopically install in flexible slide rail.

Preferably, a pulley is arranged at a preset position of the second ladder frame.

Preferably, the novel marine lifting type telescopic folding gangway ladder further comprises a telescopic mechanism, the telescopic mechanism comprises a telescopic driving piece, the telescopic driving piece is installed on the telescopic sliding rail and is connected to the second ladder frame through the telescopic driving piece, and the second ladder frame is controlled to slide along the telescopic sliding rail.

Preferably, the novel marine lifting telescopic folding gangway ladder further comprises a third ladder frame and a turnover mechanism, the third ladder frame is rotatably connected to the fourth end of the second ladder frame, and the turnover mechanism is respectively connected to the second ladder frame and the third ladder frame and is used for controlling the third ladder frame to rotate relative to the second ladder frame.

Preferably, the turnover mechanism comprises a turnover driving member and a turnover frame, the bottom end of the turnover frame is rotatably connected to the third ladder frame, one end of the turnover driving member is connected to the second ladder frame, and the other end of the turnover driving member is connected to the top of the turnover frame.

Preferably, railings are respectively installed on the first ladder frame, the second ladder frame and the third ladder frame.

Preferably, the novel marine lifting type telescopic folding gangway ladder further comprises an escalator, the top of the escalator is rotatably connected to the sliding block, and rollers are mounted at the bottom of the escalator.

Compared with the prior art, the novel marine lifting type telescopic folding gangway ladder has the following beneficial effects:

this patent is at the in-process that gangway ladder frame was opened, through the height of elevating system control gangway ladder frame, the length of telescopic machanism control gangway ladder frame, the angle of every single move mechanism control gangway ladder frame to form the escape way that supplies the staff to pass through between boats and ships and landing point, guarantee staff's life safety.

Drawings

The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.

FIG. 1 is a side view of the novel marine lift type telescopic folding gangway of the preferred embodiment of the invention;

FIG. 2 is a top view of the novel marine lift type telescopic folding gangway of the preferred embodiment of the invention;

FIG. 3 is a front view of the novel marine elevating telescopic folding gangway of the preferred embodiment of the invention;

fig. 4 is an overall schematic view of the novel marine elevating telescopic folding gangway of the preferred embodiment of the invention.

Fig. 5 is a schematic view of the telescoping mechanism of the novel marine lifting type telescopic folding gangway ladder according to the preferred embodiment of the invention.

The reference numbers illustrate:

1-pillar, 2-slider, 3-lifting driving piece, 4-telescopic driving piece, 5-pitching driving piece, 6-first ladder frame, 7-second ladder frame, 8-third ladder frame, 9-rail, 10-pulley, 11-telescopic ladder rail, 12-staircase, 13-roller, 14-overturning oil cylinder, 15-overturning hinge and 16-pitching hinge.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

Referring to the accompanying drawings 1 to 5 of the specification, the novel lifting type telescopic folding gangway ladder for the ship provided by the invention is illustrated, the novel lifting type telescopic folding gangway ladder for the ship is liftable in height and adjustable in length, and the height and the length of the novel lifting type telescopic folding gangway ladder for the ship can be adjusted based on the change of application scenes so as to adapt to various application scenes.

Specifically, the novel marine lifting type telescopic folding gangway ladder comprises two pillars 1 arranged at intervals, a lifting mechanism, a first ladder frame 6 and a second ladder frame 7. The first ladder frame 6 has a first end and a second end, the first end 6 being connected to the lifting mechanism for changing the height of the first end relative to the pillar 1. The second ladder frame 7 is telescopically connected to the second end.

The novel marine lifting type telescopic folding gangway ladder further comprises a platform, wherein the two supporting columns 1 are arranged at intervals of a preset distance on the platform, preferably welded modes are adopted to fix the two supporting columns 1 on two sides above the platform.

Referring to the attached drawings 2, 3 and 5 of the specification, the lifting mechanism includes a lifting driving member 3 and a sliding block 2, a lifting slide rail is provided on a side surface of the pillar 1, the lifting driving member 3 and the sliding block 2 are respectively installed on the lifting slide rail, the first end of the first ladder frame 6 is connected to the sliding block 2, and the lifting driving member is used for driving the sliding block 2 to slide along the lifting slide rail.

Preferably, the lifting driving member 3 is a lifting cylinder, the cylinder barrel is arranged below, the piston rod is arranged above, and the lifting of the slide block 2 is driven by the movement of the piston rod above. The telescopic oil cylinder has high response speed and can control the telescopic length of the gangway ladder frame quickly and accurately. Alternatively, the lifting driving member 3 can also be a lifting cylinder or other lifting control structure, and the specific structure of the lifting driving member 3 should not be construed as limiting the invention. Preferably, the slider 2 is a cuboid, and a groove is formed in the side face of the slider and is attached to the lifting groove rail of the groove-shaped support.

Preferably, the pillar 1 is a groove-shaped pillar, the lifting slide rail is installed in a sliding groove of the groove-shaped pillar, and the lifting slide rail is an internal groove rail of the groove-shaped pillar. The lifting driving piece 3 is connected with the side surface of the sliding block 2. The first end of the first ladder frame 6 is riveted with the front surface of the sliding block 2 through earrings and a cross bar.

The novel marine lifting type telescopic folding gangway ladder further comprises an escalator 12, the top of the escalator 12 is rotatably connected with the sliding block 2, and rollers 13 are installed at the bottom of the escalator 12. Preferably, the top of the stairs 12 are hinged to the sliding block 2. The roller 13 can move along with the gangway ladder frame when the posture of the gangway ladder frame is changed, so that the safety of personnel is guaranteed. The staircase handrail is used for preventing that the crewman from falling when boarding a gangway ladder frame, further guarantees crewman's safety. The gangway ladder frame handrail is used for erecting a channel for a crewman to pass through, and the gangway ladder handrail is used for the crewman to support.

When the lifting driving member 3 implemented as a lifting cylinder pushes the sliding block 2 to slide upwards, the first end of the first ladder frame 6 moves upwards along the pillar 1, the roller 13 moves towards the direction close to the first ladder frame 6, and after the first ladder frame 6 is lifted, the roller 13 is manually limited. When the lifting driving member 3 implemented as a lifting cylinder descends to drive the sliding block 2 to slide downwards, the first end of the first ladder frame 6 moves downwards to drive the roller 13 to move towards the direction far away from the first ladder frame 6, and when the first ladder frame 6 descends, the roller 13 is limited manually.

Referring to the attached drawings 1 to 5 of the specification, the novel marine lifting type telescopic folding gangway ladder further comprises a pitching mechanism, the pitching mechanism comprises a pitching driving element 5, one end of the pitching driving element 5 is connected to the sliding block 2, the other end of the pitching driving element is connected to the first ladder frame 6, and the position of the pitching driving element 5 connected to the sliding block 2 is higher than the height of the first end of the first ladder frame 6.

Preferably, the pitch drive 5 is a pitch ram. Alternatively, the pitch drive 5 can also be a pitch cylinder, the specific type of pitch drive 5 should not constitute a limitation of the invention.

The preset position of first ladder frame 6 is provided with flexible slide rail 11 along length direction, second ladder frame 7 includes third end and fourth end, the third end telescopically install in flexible slide rail 11.

Preferably, the telescopic slide rail 11 is a grooved ladder rail formed in the first ladder frame 6. A pulley 10 is arranged at a preset position of the second ladder frame 7. During the process of extending and retracting the first ladder frame 6 and the second ladder frame 7, the pulley 10 can roll relative to the telescopic slide rail 11.

The novel marine lifting telescopic folding gangway ladder further comprises a telescopic mechanism, the telescopic mechanism comprises a telescopic driving piece 4, the telescopic driving piece 4 is installed on the telescopic sliding rail 11, the telescopic driving piece 4 is connected to the second ladder frame 7, and the second ladder frame 7 is used for controlling to slide along the telescopic sliding rail 11.

Preferably, the telescopic drive 4 is a telescopic cylinder. Alternatively, the telescopic drive 4 can also be a telescopic cylinder, the specific type of telescopic drive 4 should not constitute a limitation of the invention.

The first ladder frame 6 and the second ladder frame 7 are nested with each other through the telescopic sliding rails 11 and the pulleys 10.

The novel marine lifting telescopic folding gangway ladder further comprises a third ladder frame 8 and a turnover mechanism, wherein the third ladder frame 8 is rotatably connected to the fourth end of the second ladder frame 7, and the turnover mechanism is respectively connected to the second ladder frame 7 and the third ladder frame 8 and used for controlling the third ladder frame 8 to rotate relative to the second ladder frame 2. The turnover mechanism comprises a turnover driving piece 14 and a turnover frame, the bottom end of the turnover frame is rotatably connected with the third ladder frame 8, one end of the turnover driving piece 14 is connected with the second ladder frame 7, and the other end of the turnover driving piece is connected with the top of the turnover frame.

Preferably, the roll-over stand is substantially triangular in shape, which can effectively ensure the stability of the roll-over process of the third ladder frame 8.

Preferably, the first end of the first ladder frame 6 is rotatably connected to the slide 2 by a pitch hinge 16. The fourth end of the second ladder frame 7 is rotatably connected to the third ladder frame 8 by a tilt hinge 15.

When the landing site is far away, the telescopic driving member 4 extends, and the pulley 10 rolls in the telescopic sliding rail 11 to drive the second ladder frame 7 to extend out. The flip driving member 14 installed on the second ladder frame 7 is extended and the third ladder frame 8 is rotated along the flip hinge to be gradually opened. When the landing site is nearer, the telescopic driving part 4 shortens, the pulley 10 rolls in the telescopic slide rail 11, drives the second ladder frame 7 to be packed up, and simultaneously, install on the second ladder frame 7 the upset driving part 14 stretches out, the third ladder frame 8 rotates along the upset hinge, opens gradually.

Earrings are arranged on the front surface of the sliding block 2 and two sides below the first end of the first ladder frame 6, and the pitching driving piece 5 is rotatably connected between the sliding block 2 and the first end of the first ladder frame 6 through the earrings. When the landing site is high, the pitching driving piece 5 is contracted, the first ladder frame 6 is lifted upwards around the end cross rod, and a stable and safe channel is built between the ship and the landing site. When the landing site is low, the pitch drive 5 is retracted and the first ladder frame 6 moves down around the end crossbar, leaving a stable and safe path between the vessel and the landing site.

Under some special operating modes, because when only stretching out and drawing back or every single move, the contained angle that gangway ladder and landing site produced is too big for the passageway is great slope, is unfavorable for personnel to pass through, this moment, elevating system telescopic machanism and every single move mechanism can also mutually support.

Illustratively, when the landing site is high and far, the lifting driving member 3 drives the sliding block 2 to slide upwards, so that the bridge ladder frame is lifted. Then the lock pitching driving piece 5 extends out, the gangway ladder frame rotates around the cross rod, and the ladder frame is lifted up. Meanwhile, the telescopic driving metal 4 extends, the pulley 10 rolls in the telescopic slide rail 11, and the second ladder frame 7 is unfolded. The lock flip drive 14 is extended and the shuttle third ladder frame 8 is opened. A safe and stable channel is formed between the ship and the landing site.

When the landing point is lower and closer, the lifting driving piece 3 drives the sliding block 2 to slide downwards, so that the step ladder frame descends. The pitch drive 5 then retracts, the gangway ladder frame rotates around the crossbar, and the ladder frame bows downward. Meanwhile, the telescopic driving part 4 contracts, the pulley 10 rolls in the telescopic sliding rail 11, the second ladder frame 7 is retracted, the overturning driving part 14 extends out, and the third ladder frame 8 is opened. A safe and stable channel is formed between the ship and the landing site.

When the landing point is higher and closer, the lifting driving piece 3 drives the sliding block 2 to slide upwards, so that the step ladder frame rises. The pitch drive 5 then retracts, the gangway ladder frame rotates around the crossbar, and the ladder frame bows downward. Meanwhile, the telescopic driving part 4 contracts, the pulley 10 rolls in the telescopic sliding rail 11, the second ladder frame 7 is retracted, the overturning driving part 14 extends out, and the third ladder frame 8 is opened. A safe and stable channel is formed between the ship and the landing site.

When the landing site is lower and far away, the lifting driving piece 3 drives the sliding block 2 to slide downwards, so that the step ladder frame descends. The pitch drive 5 then retracts, the gangway ladder frame rotates around the crossbar, and the ladder frame bows downward. Meanwhile, the telescopic driving part 4 extends out, the pulley 10 rolls in the telescopic sliding rail 11, the second ladder frame 7 is unfolded, the overturning driving part 14 extends out, and the third ladder frame 8 is opened. A safe and stable channel is formed between the ship and the landing site.

The utility model provides a novel marine flexible folding gangway ladder of over-and-under type can realize boarding the automation that the gangway ladder was opened and was drawn in, and degree of automation improves, ensures crewman's personal safety. At the in-process of opening gangway ladder frame, through the height of elevating system control gangway ladder frame, the length of telescopic machanism control gangway ladder frame, the angle of every single move mechanism control gangway ladder frame to form the escape way that supplies the crewman to pass through between boats and ships and landing site.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.