CN116395085A - Folding gangway ladder - Google Patents
Folding gangway ladder Download PDFInfo
- Publication number
- CN116395085A CN116395085A CN202310673747.2A CN202310673747A CN116395085A CN 116395085 A CN116395085 A CN 116395085A CN 202310673747 A CN202310673747 A CN 202310673747A CN 116395085 A CN116395085 A CN 116395085A
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- Prior art keywords
- gangway
- folding
- gangway ladder
- ladder
- frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
- B63B2027/141—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts telescopically extendable
Abstract
The invention relates to the technical field of gangways, in particular to a folding gangway, which comprises: the folding power unit comprises a rotating platform, a sliding rail, a folding gangway ladder, a limiting bracket, a connecting block and a folding power unit; according to the folding gangway, the transmission rods are turned upwards and then turned downwards one by one to complete the unfolding and folding of the first gangway, the second gangway, the third gangway and the fourth gangway, so that the occupied space of the folding gangway on a deck is reduced, and the folding gangway is covered by the rain-proof cloth, so that the folding gangway is prevented from being exposed to the outside and eroded by sea wind.
Description
Technical Field
The invention relates to the technical field of gangways, in particular to a folding gangway.
Background
The gangway ladder is a device for safely and smoothly boarding and disembarking a ship by personnel when the modern ship is berthed at a wharf; in the prior art, many ship gangways cannot be folded and can only be integrally placed on the side edge of a ship, so that a large space is occupied; moreover, the gangway ladder is always exposed outside and is easily corroded by sea wind, and potential safety hazards can be caused in long-term use.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a folding gangway, which is convenient for storage when not in use by reducing the occupied space of the gangway by folding, and which is achieved by the following means:
a folding gangway ladder, comprising: the folding power unit comprises a rotating platform, a sliding rail, a folding gangway ladder, a limiting bracket, a connecting block and a folding power unit;
the rotating platform is arranged on the deck, the rotating platform is connected with a sliding rail, and a folding gangway ladder is arranged on the sliding rail;
the folding gangway ladder comprises a plurality of gangway ladder frames, wherein one end of each gangway ladder frame is provided with a mounting hole, the gangway ladder frames are also provided with first sliding grooves, one end of each first sliding groove is close to the mounting hole, the other end of each first sliding groove is positioned at the end part of each gangway ladder frame, the first sliding grooves and the mounting holes are in the same straight line, one side of each first sliding groove is provided with a second sliding groove, the length of each second sliding groove is larger than that of each first sliding groove, the lower end of each gangway ladder frame is provided with a travelling wheel, the travelling wheels are nested in the sliding rails, and the length of each sliding rail is larger than that of each gangway ladder frame;
the limiting support is arranged at the rear of the folding gangway ladder in the unfolding direction, and is provided with a third chute which is the same as the first chute of the gangway ladder frame in length;
the number of the connecting blocks is multiple, the connecting blocks are used for connecting the gangway ladder frames with the limiting brackets in the same connection mode, one end of each connecting block is hinged with one mounting hole of each gangway ladder frame, the other end of each connecting block is connected with the end part of the first chute of the other gangway ladder frame, and when the folding gangway ladder is folded, the gangway ladder frames incline in the same direction;
the folding power group quantity is a plurality of, and is a plurality of folding power group is installed respectively a plurality of gangway ladder frame and spacing support are last, and the connected mode is the same, folding power group includes: the power mechanism is installed in one middle part department of gangway ladder frame, power mechanism connects the one end of transfer line through the pivot, the transfer line other end is connected another in the second spout of gangway ladder frame, the transfer line slope sets up downwards, one of them the transfer line is hydraulic push rod, and hydraulic push rod is used for controlling folding gangway ladder downward sloping, and the angle that the transfer line upwards turned over earlier when folding gangway ladder was expanded is greater than the angle that the transfer line upwards turned over earlier when folding gangway ladder was folded.
Preferably, the power mechanism controls the transmission rod to turn upwards and then downwards through the rotating shaft, so that the folding gangway ladder is folded and unfolded, the hydraulic motor is provided with a shaft locking device, and the shaft locking device locks the transmission shaft of the hydraulic motor after the folding gangway ladder is folded, so that the folded shape of the folding gangway ladder is locked.
The invention has the beneficial effects that:
according to the folding gangway, the transmission rods are turned upwards and then turned downwards one by one to complete the unfolding and folding of the first gangway, the second gangway, the third gangway and the fourth gangway, so that the occupied space of the folding gangway on a deck is reduced, and the folding gangway is covered by the rain-proof cloth, so that the folding gangway is prevented from being exposed to the outside and eroded by sea wind.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic diagram of a side structure of the present invention.
Fig. 3 is a schematic view of a gangway ladder frame structure according to the present invention.
Fig. 4 is a partial construction diagram of the present invention.
Fig. 5 is a top view of the gangway stile of the present invention.
Fig. 6 is a schematic view of the first ramp deployment motion of the present invention.
Fig. 7 is a schematic view showing the downward inclination of the folding gangway according to the present invention.
Fig. 8 is a schematic view of a fourth gangway folding motion of the present invention.
Reference numerals illustrate:
the hydraulic pushing device comprises a 1-rotating platform, a 2-sliding rail, a 3-folding gangway, a 4-limiting bracket, a 5-connecting block, a 6-folding power unit, a 3-1-first gangway, a 3-2-second gangway, a 3-3-third gangway, a 3-4-fourth gangway, a 30-gangway frame, a 31-first sliding groove, a 32-second sliding groove, a 33-travelling wheel, a 34-mounting hole, a 41-third sliding groove, a 61-transmission rod, a 62-power mechanism, a 63-rotating shaft and a 61-1 hydraulic pushing rod.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those having ordinary skill in the art to which the invention pertains will readily implement the embodiments, but the present invention may be implemented in various different forms, so that the present invention is not limited to the embodiments described hereinafter, and in addition, components not connected to the present invention will be omitted from the drawings for more clarity of description.
As shown in fig. 1, a folding gangway ladder, comprising: the folding power system comprises a rotating platform 1, a sliding rail 2, a folding gangway 3, a limiting bracket 4, a connecting block 5 and a folding power set 6;
the rotating platform 1 is arranged on a deck, the rotating platform 1 is connected with the sliding rail 2, the sliding rail 2 is telescopic, the telescopic end of the sliding rail 2 faces to a wharf, the sliding rail 2 is provided with the folding gangway ladder 3, after the folding gangway ladder 3 is folded, the sliding rail 2 is contracted to reduce the length, and when the folding gangway ladder 3 needs to be unfolded, the sliding rail 2 is expanded in advance;
as shown in fig. 2, the folding gangway 3 is composed of a first gangway 3-1, a second gangway 3-2, a third gangway 3-3 and a fourth gangway 3-4, the first gangway 3-1, the second gangway 3-2 and the third gangway 3-3 are respectively composed of two gangway frames 30 connected with a plurality of pedals, the fourth gangway 3-4 is composed of two gangway frames 30 connected with a flat plate, and after folding, the first gangway 3-1, the second gangway 3-2, the third gangway 3-3 and the fourth gangway 3-4 incline in the same direction, namely, the lower ends of the first gangway 3-1, the second gangway 3-2, the third gangway 3-3 and the fourth gangway 3-4 are close to the telescopic ends of the sliding rail 2, and the upper ends are far away from the telescopic ends of the sliding rail 2;
as shown in fig. 3, two ends of the gangway ladder frame 30 are a first end and a second end, the gangway ladder frame 30 is provided with a mounting hole 34 at the first end, the gangway ladder frame 30 is provided with a first chute 31, one end of the first chute 31 is close to the mounting hole 34, the other end is provided with a second end, the first chute 31 and the mounting hole 34 are on the same straight line, one side of the first chute 31 is provided with a second chute 32, two ends of the second chute 32 are respectively positioned at the first end and the second end of the gangway ladder frame 30, wherein the length of the second chute 32 is longer than that of the first chute 31, the lower end of the gangway ladder frame 30 is provided with a travelling wheel 33, and the travelling wheel 33 is nested in the sliding rail 2;
along the unfolding direction of the folding gangway 3, two limiting brackets 4 are arranged at the rear of the fourth gangway 3-4, the lower ends of the two limiting brackets 4 are fixed on the sliding rail 2, third sliding grooves 41 are respectively arranged on the two limiting brackets 4, and the third sliding grooves 41 are the same in length and angle with the first sliding grooves 31 of the gangway frame 30;
the first gangway ladder 3-1, the second gangway ladder 3-2, the third gangway ladder 3-3, the fourth gangway ladder 3-4 and the limit bracket 4 are connected through a plurality of connecting blocks 5, as shown in fig. 4, the connecting blocks 5 are connected with the first gangway ladder 3-1 and the second gangway ladder 3-2, namely one end of each connecting block 5 is hinged with a mounting hole 34 of a gangway ladder frame 30 in the first gangway ladder 3-1, the other end of each connecting block 5 is connected with a first chute 31 of a gangway ladder frame 30 in the second gangway ladder 3-2, the other end of each initial connecting block 5 is positioned at the first end of the gangway ladder frame 30, the second gangway ladder 3-2, the third gangway ladder 3-3 and the fourth gangway ladder 3-4 are connected with the first gangway ladder 3-1 and the second gangway ladder 3-2 through a plurality of connecting blocks 5 in a connecting way, the connecting blocks 5 is connected with the fourth gangway ladder 3-4, namely one end of each connecting block 5 is hinged with a mounting hole 34 of the gangway ladder frame 30 in the fourth gangway ladder 3-4, the other end of each connecting block 5 is connected with the end of the third gangway ladder 3-4 is connected with the end of the limit bracket 41, and the length of each connecting block 4 is extended in the slide rail 41 is longer than the first chute 30;
the number of the folding power groups 6 is plural, and plural folding power groups 6 are respectively installed on the gangway ladder frame 30 and the limit bracket 4, as shown in fig. 2 and 5, the folding power groups 6 include: the power mechanism 62 is arranged at the middle part of the gangway frame 30 in the second gangway 3-2, as shown in fig. 4, the power mechanism 62 is connected with one end of the power lever 61 through the rotating shaft 63, the rotating shaft 63 forms a ninety-degree included angle with the power lever 61, the other end of the power lever 61 is connected in the second chute 32 of the gangway frame 30 in the first gangway 3-1, the other end of the initial power lever 61 is positioned at the second end of the gangway frame 30, the second gangway 3-2, the third gangway 3-3, the fourth gangway 3-4 and the limiting bracket 4 are connected with the first gangway 3-1 and the second gangway 3-2 through the folding power group 6 in the same way, and the power lever 61 which is connected with the third gangway 3-3 and the fourth gangway 3-4 is a push rod 61-1;
the power mechanism 62 controls the transmission rod 61 to turn upwards and then downwards through the rotating shaft 63, so that the folding gangway ladder 3 is folded and unfolded, wherein the upward turning angle of the transmission rod 61 when the folding gangway ladder 3 is unfolded is larger than the upward turning angle of the transmission rod 61 when the folding gangway ladder 3 is folded, and the shaft locking device locks the transmission shaft of the hydraulic motor after the folding gangway ladder 3 is folded, so that the folded shape of the folding gangway ladder 3 is locked.
The working principle of the invention is as follows:
the folding gangway 3 is unfolded, the sliding rail 2 is firstly extended to the maximum length, the shaft locking device unlocks the transmission shaft of the hydraulic motor, then the first gangway 3-1 is unfolded, as shown in fig. 6A, the transmission rod 61 is turned upwards, the second end of the first gangway 3-1 is pushed in the process of turning upwards the transmission rod 61 again, the second end of the first gangway 3-1 moves along the direction of the telescopic end of the sliding rail 2, the first end of the first gangway 3-1 moves downwards along the first sliding groove 31 of the gangway frame 30 in the second gangway 3-2, the first gangway 3-1 is further inclined, the other end of the transmission rod 61 moves along the second sliding groove 32 of the gangway frame 30 in the first gangway 3-1, when the other end of the transmission rod 61 reaches the upper part of the middle part of the second sliding groove 32, as shown in fig. 6 BC, the transmission rod 61 is turned down so as to turn the first gangway 3-1 to a horizontal state, at this time, the first end of the first gangway 3-1 is connected to the second end of the second gangway 3-2 through the connection block 5, the other end of the transmission rod 61 is spaced from the end of the second chute 32 of the gangway frame 30 in the first gangway 3-1, the second gangway 3-2, the third gangway 3-3, the fourth gangway 3-4 are turned down in the same direction by the above-mentioned actions, the unfolding of the first gangway 3-1, the second gangway 3-2, the third gangway 3-3, the fourth gangway 3-4 is completed one by one, the travelling wheel 33 of the gangway frame 30 in the fourth gangway 3-4 is located at the telescopic end of the slide rail 2 after the fourth gangway 3-4 is horizontal, the fourth gangway ladder 3-4 is connected with the lower end of the third chute 41 through a connecting block 5;
after the folding gangway 3 is unfolded, the space between the folding gangway 3 and the wharf is adjusted through rotation of the rotary platform 1, as shown in fig. 7, the hydraulic push rod 61-1 is shortened, the other end of the hydraulic push rod 61-1 moves towards the end part of the second chute 32 of the gangway frame 30 in the third gangway 3-3, so that the third gangway 3-3 gradually inclines downwards, the second gangway 3-2 and the first gangway 3-1 synchronously incline downwards, and the height between the folding gangway 3 and the wharf is adjusted, so that the folding gangway 3 is overlapped with the wharf;
the folding accommodation folding gangway 3 is first stretched by the hydraulic push rod 61-1 to push the folding gangway 3 back to be horizontal, as shown in fig. 8 a, the transmission rod 61 is turned upwards, the first end of the fourth gangway 3-4 is pushed in the process of turning upwards again by the transmission rod 61, the first end of the fourth gangway 3-4 moves upwards along the third sliding groove 41, the second end of the fourth gangway 3-4 moves along the fixed end direction of the sliding rail 2, the fourth gangway 3-4 is changed to be inclined from horizontal, meanwhile, the other end of the transmission rod 61 moves along the second sliding groove 32 of the gangway frame 30 in the fourth gangway 3-4, when the other end of the transmission rod 61 reaches the lower part of the middle part of the second sliding groove 32, as shown in BC in fig. 8, the transmission rod 61 is turned downwards, thereby pulling the fourth gangway 3-4, the fourth gangway 3-4 is turned to an initial angle, the fourth gangway 3-4, the third gangway 3-3, the second gangway 3-2, the first gangway 3-1, the second gangway 3-3 are turned upwards, the second gangway 3-3 are folded, and the folding of the second gangway 3-3 is completed one by one, and the folding protection cover is completed after the folding of the fourth gangway 3-3 is folded.
Claims (4)
1. A folding gangway ladder, comprising: the folding gangway comprises a rotating platform (1), a sliding rail (2), a folding gangway ladder (3), a limiting bracket (4), a connecting block (5) and a folding power set (6); the method is characterized in that: the folding gangway comprises a rotating platform (1), wherein a sliding rail (2) is connected to the rotating platform (1), a folding gangway (3) is arranged on the sliding rail (2), the folding gangway (3) comprises a plurality of gangway frames (30), one end of each gangway frame (30) is provided with a mounting hole (34), the gangway frames (30) are provided with first sliding grooves (31), one end of each first sliding groove (31) is close to the mounting hole (34), the other end of each first sliding groove is located at the end of each gangway frame (30), the first sliding grooves (31) and the mounting holes (34) are in the same straight line, one side of each first sliding groove (31) is provided with a second sliding groove (32), the length of each second sliding groove (32) is larger than that of each first sliding groove (31), the lower end of each gangway frame (30) is provided with travelling wheels (33), and each travelling wheel (33) is nested in the sliding rail (2), and the length of each sliding rail (2) is larger than that of each gangway frame (30).
The limiting support (4) is arranged at the rear of the folding gangway ladder (3) in the unfolding direction, a third sliding groove (41) is formed in the limiting support (4), and the third sliding groove (41) is the same as the first sliding groove (31) of the gangway ladder frame (30) in length;
the number of the connecting blocks (5) is multiple, the connecting blocks (5) are used for connecting the gangway ladder frames (30) with the limiting brackets (4) in the same connection mode, one end of each connecting block (5) is hinged with a mounting hole (34) of one gangway ladder frame (30), and the other end of each connecting block (5) is connected with the end part of a first chute (31) of the other gangway ladder frame (30);
the folding power group (6) quantity is a plurality of, and is a plurality of folding power group (6) are installed respectively on a plurality of gangway ladder frame (30) and spacing support (4), and the connected mode is the same, folding power group (6) include: the folding gangway ladder comprises a transmission rod (61), a power mechanism (62) and a rotating shaft (63), wherein the power mechanism (62) provides overturning power for the transmission rod (61), the power mechanism (62) is installed on one gangway ladder frame (30), the power mechanism (62) is connected with one end of the transmission rod (61) through the rotating shaft (63), the other end of the transmission rod (61) is connected in the second sliding groove (32) of the gangway ladder frame (30), the transmission rod (61) is obliquely downwards arranged, and when the folding gangway ladder (3) is unfolded, the upward overturning angle of the transmission rod (61) is larger than that of the transmission rod (61) when the folding gangway ladder (3) is folded.
2. A folding gangway ladder as claimed in claim 1, characterized in that: the power mechanism (62) is characterized in that the transmission rod (61) is controlled by the rotating shaft (63) to turn upwards and then downwards, so that the folding gangway ladder (3) is folded and unfolded, the power mechanism (62) is composed of a hydraulic motor and a speed reducer, the hydraulic motor is provided with a shaft locking device, and the shaft locking device locks a transmission shaft of the hydraulic motor after the folding gangway ladder (3) is folded.
3. A folding gangway ladder as claimed in claim 1, characterized in that: the sliding rail (2) is telescopic, the telescopic end of the sliding rail (2) faces to a wharf, after the folding gangway ladder (3) is folded, the sliding rail (2) is in a contracted shape, the length is reduced, and when the folding gangway ladder (3) needs to be unfolded, the sliding rail (2) stretches in advance.
4. A folding gangway ladder as claimed in claim 1, characterized in that: one of the transmission rods (61) is a hydraulic push rod (61-1), and the hydraulic push rod (61-1) is used for controlling the folding gangway ladder (3) to incline downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310673747.2A CN116395085B (en) | 2023-06-08 | 2023-06-08 | Folding gangway ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310673747.2A CN116395085B (en) | 2023-06-08 | 2023-06-08 | Folding gangway ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116395085A true CN116395085A (en) | 2023-07-07 |
| CN116395085B CN116395085B (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310673747.2A Active CN116395085B (en) | 2023-06-08 | 2023-06-08 | Folding gangway ladder |
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| Country | Link |
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| CN (1) | CN116395085B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315706A (en) * | 1980-04-07 | 1982-02-16 | General Electric Company | Holder assembly for an indexable insert for use in a cutting tool |
| US20070160431A1 (en) * | 2005-12-08 | 2007-07-12 | Sandvik Intellectual Property Ab | Tool and a cutting insert for chip removing machining |
| CN206171730U (en) * | 2016-08-26 | 2017-05-17 | 南通力威机械有限公司 | Flexible gangway ladder of full gyration |
| US20180118308A1 (en) * | 2016-10-28 | 2018-05-03 | Corey L. Schaub | Extendable ladder for watercraft |
| CN113562125A (en) * | 2021-09-03 | 2021-10-29 | 上海凌耀船舶工程有限公司 | Novel marine lifting type telescopic folding gangway ladder |
| CN114056493A (en) * | 2021-12-14 | 2022-02-18 | 无锡市东舟船舶设备股份有限公司 | Folding convertible ladder of stepping on ship |
| CN114590360A (en) * | 2022-03-07 | 2022-06-07 | 江苏弘竣海洋科技有限公司 | Folding rotary gangway ladder |
-
2023
- 2023-06-08 CN CN202310673747.2A patent/CN116395085B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315706A (en) * | 1980-04-07 | 1982-02-16 | General Electric Company | Holder assembly for an indexable insert for use in a cutting tool |
| US20070160431A1 (en) * | 2005-12-08 | 2007-07-12 | Sandvik Intellectual Property Ab | Tool and a cutting insert for chip removing machining |
| CN206171730U (en) * | 2016-08-26 | 2017-05-17 | 南通力威机械有限公司 | Flexible gangway ladder of full gyration |
| US20180118308A1 (en) * | 2016-10-28 | 2018-05-03 | Corey L. Schaub | Extendable ladder for watercraft |
| CN113562125A (en) * | 2021-09-03 | 2021-10-29 | 上海凌耀船舶工程有限公司 | Novel marine lifting type telescopic folding gangway ladder |
| CN114056493A (en) * | 2021-12-14 | 2022-02-18 | 无锡市东舟船舶设备股份有限公司 | Folding convertible ladder of stepping on ship |
| CN114590360A (en) * | 2022-03-07 | 2022-06-07 | 江苏弘竣海洋科技有限公司 | Folding rotary gangway ladder |
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| Publication number | Publication date |
|---|---|
| CN116395085B (en) | 2023-12-15 |
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