Self-adaptive gangway ladder
By installing a stretchable handrail assembly and a self-lifting tie rod on the gangway, the problems of increased gap between the gangway and the ship and the need for various models were solved, achieving a gangway modification that is highly adaptable, safe, and easy to operate.
Patent Information
- Application Number
- CN202520395037.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-07
AI Technical Summary
The existing gangway has fixed end railings, which increases the gap between the gangway and the ship when the waves are rising and falling, posing a safety hazard. In addition, it requires the prefabrication of various models and irregular maintenance, which wastes manpower and resources and involves uncertain risk factors.
An adaptive gangway was designed, which achieves adjustable length and height by setting a retractable handrail assembly on the fixed guardrail, including bottom and top retractable handrail assemblies, combined with a self-lifting tie rod, to adapt to different working conditions.
It improves the adaptability and safety of the gangway, reduces manual maintenance costs, simplifies the modification process, lowers costs, and adapts to the needs of various working conditions.
Smart Images
Figure CN223736207U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of self -adaptation gangway, specifically, and relates to a self -adaptation gangway. BACKGROUND
[0002] Under the development of shipping industry, people's large ship boarding operation in the port, wharf and other places are more and more, the safety problem of getting on and off the ship is particularly important. The end rail of the conventional boarding gangway is fixed, and the gap between the gangway and the ship will become larger with the fluctuation of waves, thereby bringing safety hazards to personnel getting on and off the ship.
[0003] Therefore, the current gangway use has the following shortcomings:
[0004] 1. The length and size of the gangway should be estimated in advance to ensure proper placement and boarding;
[0005] 2. The gap between the gangway and the ship changes after a long time, and there are uncertain dangerous factors;
[0006] 3. When the position changes, there is no handrail for personnel to get on and off the ship, or the handrail is short, which exists safety hazards.
[0007] And in order to solve the problem of the adaptation of the gangway and the ship and ensure the safety of the boarding personnel, there are still the following problems in the placement and maintenance of the conventional gangway:
[0008] 1. In order to adapt to the requirements of the gangway under various working conditions, multiple types of gangways with multiple handrails need to be prefabricated;
[0009] 2. The gap between the gangway and the ship needs to be filled with new railings, soft ropes or steel wires and other devices to fill the gap, which wastes manpower and material resources when assembling and disassembling;
[0010] 3. Due to uncertain factors such as wind and waves, the gangway needs to be maintained and inspected at irregular intervals to prevent the gangway from falling or being unable to use, which increases the risk coefficient. INVENTION CONTENTS
[0011] The utility model provides a kind of self -adaptation gangway, it can be used for multiple complex working conditions, wide adaptability, easy operation, safe and reliable.
[0012] The technical scheme of the utility model is as follows:
[0013] A self -adaptation gangway, including gangway main part and fixed guardrail, the fixed guardrail is equipped with stretchable handrail assembly on the side of gangway main part, and the stretchable handrail assembly is slidably connected with the fixed handrail.
[0014] Further, the stretchable handrail assembly has two groups, and the two groups of stretchable handrail assemblies are located at the top and bottom of the gangway main body respectively.
[0015] Further, the stretchable handrail assembly located at the bottom of the gangway body comprises a bottom handrail vertical rod and a plurality of bottom transverse pipes, the fixed guardrail is provided with a plurality of bottom oval holes for the bottom transverse pipes to pass through, and each bottom oval hole is in one-to-one correspondence with each bottom transverse pipe and is in sliding connection.
[0016] The bottom handrail vertical rod is fixedly connected with the end, away from the gangway body, of each bottom transverse pipe, and the fixed guardrail is provided with fasteners for fixing the bottom transverse pipes thereto.
[0017] Further, the stretchable handrail assembly located at the top of the gangway body comprises a top handrail vertical rod and a plurality of top transverse pipes, the fixed guardrail is provided with a plurality of top oval holes for the top transverse pipes to pass through, and each top oval hole is in one-to-one correspondence with each top transverse pipe and is in sliding connection.
[0018] The top handrail vertical rod is rotatably connected with the end, away from the gangway body, of each top transverse pipe, and the fixed guardrail is provided with fasteners for fixing the top transverse pipes thereto.
[0019] Further, the top handrail vertical rod is in tubular structure and is provided with a self-lifting pull rod at the downward end thereof, and the self-lifting pull rod is in sliding connection with the top handrail vertical rod.
[0020] Further, the top handrail vertical rod is fixedly connected with a plurality of connecting pieces for being hingedly connected with each top transverse pipe.
[0021] Further, the end, away from the top handrail vertical rod, of the top transverse pipe is provided with a circular anti-falling block.
[0022] Further, the bottom of the self-lifting pull rod is provided with a support piece, and the support piece and the self-lifting pull rod are provided with a diagonal bracing reinforcing plate therebetween.
[0023] Further, the end, away from the bottom handrail vertical rod, of the bottom transverse pipe is provided with a circular anti-falling block.
[0024] The utility model discloses the beneficial effects are:
[0025] The utility model discloses the basis on the existing gangway structure, only uses the hole processing mode, adds the handrail of stretchable, makes:
[0026] 1, the gangway adaptation range is big, can satisfy the use of a variety of working conditions.
[0027] 2, the operation is time -saving and labor -saving, and quick and efficient, and the safety is good.
[0028] 3, can reduce the manual maintenance cost and the cost of the space interval and the frame, the cost of the pull rope.
[0029] 4. The modification is simple, the old gangway can be quickly transformed, the cost is low, and the popularization is strong. BRIEF DESCRIPTION OF DRAWINGS
[0030] The utility model will be further described in detail below in combination with the drawings and specific embodiments.
[0031] Figure 1 It is a structural schematic view of the embodiment.
[0032] Figure 2 It is Figure 1 an enlarged view of A.
[0033] Figure 3 It is a top view of the embodiment.
[0034] In the figure: 1, gangway main body; 2, fixed guardrail; 31, top transverse rod; 32, top oval hole; 33, top handrail vertical rod; 34, connecting piece; 35, self-lifting type pull rod; 36, supporting piece; 37, inclined brace reinforcing plate; 41, bottom transverse rod; 42, bottom oval hole; 43, bottom handrail vertical rod; 5, round anti-drop block; 6, fastener. DETAILED DESCRIPTION
[0035] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.
[0036] As Figures 1-3 shown, a self-adaptive gangway, the main structure includes gangway main body 1 and fixed guardrail 2, in order to adapt to various working conditions, the embodiment is provided with a stretchable handrail assembly on one side of the fixed guardrail 2 on the gangway main body 1, the stretchable handrail assembly is slidably connected with the fixed handrail, which can effectively reduce the hole between the gangway main body 1 and the ship, and ensure the safety of personnel going up and down the gangway.
[0037] At the same time, in order to improve the applicability, the stretchable handrail assembly is provided with two groups in the embodiment, and the two groups of stretchable handrail assemblies are located at the top and the bottom of the gangway main body 1 respectively.
[0038] Specifically, the stretchable handrail assembly located at the bottom of the gangway main body 1 includes a bottom handrail vertical rod 43 and a plurality of bottom transverse rods 41, and the circular pipe on the fixed guardrail 2 is provided with a plurality of bottom oval holes 42 for the bottom transverse rods 41 to pass through, and each bottom oval hole 42 is in one-to-one correspondence with each bottom transverse rod 41 and is slidably connected.
[0039] The bottom handrail upright 43 is fixedly connected with the end of each bottom transverse rod 41 away from the gangway main body 1, and the fixed guardrail 2 is provided with a fastener 6 for fixing the bottom transverse rod 41 to itself, preferably a locking bolt, and the locking bolt is added at the position where each bottom transverse rod 41 coincides with the original fixed guardrail 2 to prevent loosening. The locking is performed after the bottom stretchable handrail assembly is in place, further ensuring the firmness and safety of the gangway. The end of the bottom transverse rod 41 away from the bottom handrail upright 43 is provided with a round anti-disengagement block 5 to avoid overstretching during operation and disengaging the bottom stretchable handrail assembly from the fixed handrail.
[0040] Meanwhile, the stretchable handrail assembly at the top of the gangway main body 1 includes a top handrail upright 33 and a plurality of top transverse rods 31. The circular pipe on the fixed guardrail 2 is provided with a plurality of top elliptical holes 32 for the top transverse rods 31 to pass through. Each top elliptical hole 32 corresponds to each top transverse rod 31 and is slidably connected.
[0041] In consideration of the safety and convenience of personnel boarding and disembarking, the top handrail upright 33 is rotatably connected with the end of each top transverse rod 31 away from the gangway main body 1, and the height of the end of the gangway main body 1 at the top is adjusted by the rotation angle. The fixed guardrail 2 is provided with a fastener 6 for fixing the top transverse rod 31 to itself, and a locking bolt is added at the position where each bottom transverse rod 41 coincides with the original fixed guardrail 2 to prevent loosening. The locking is performed after the top stretchable handrail assembly is in place, further ensuring the firmness and safety of the gangway.
[0042] The top handrail upright 33 is a tubular structure, and a self-lifting pull rod 35 is sleeved at the downward end of the top handrail upright 33. The self-lifting pull rod 35 is slidably connected with the top handrail upright 33. This effectively reduces the gap between the gangway and the ship deck, preventing personnel from slipping.
[0043] In order to leave a rotation space and facilitate connection, a plurality of connecting pieces 34 for hinging with each top transverse rod 31 are fixedly connected to the side of the top handrail upright 33. A round anti-disengagement block 5 is provided at the end of the top transverse rod 31 away from the top handrail upright 33 to prevent the top stretchable handrail assembly from disengaging from the fixed handrail when over-operated.
[0044] The bottom of the self-lifting pull rod 35 is provided with a support piece 36 for supporting and abutting the deck surface. An inclined brace reinforcing plate 37 is further provided between the support piece 36 and the self-lifting pull rod 35 to improve the connection strength of the support piece 36 and the self-lifting pull rod 35, avoiding the connection point (mainly welding) between the support piece 36 and the self-lifting pull rod 35 being easily bent when inclined.
[0045] The embodiment is to change the defect that the traditional gangway can only be used in single length working condition by cutting the end of the top and low end of the handrail device of the old gangway, polishing it flat, and installing two groups of stretchable handrail assemblies. The original round pipe hole of the fixed guardrail 2 is changed into an oval hole, so that when the angle of the gangway changes, the stretchable handrail device can be adjusted to quickly and accurately adapt to the new working condition, avoiding the conventional manual construction and disassembly of the guardrail.
[0046] The improved embodiment can realize the free stretching of the stretchable handrail assembly at the bottom and the height adjustment of the stretchable handrail assembly at the top. When the gangway is displaced, the handrail position suitable for the current state can be quickly adjusted, and the self-lifting rod 35 in the vertical direction can also quickly adapt to the spacing state between the gangway and the deck and quickly block the newly generated hole. After adjustment, it can be fixed with locking bolts for firm use. When the gangway is displaced in the new working condition, the locking bolts can be loosened, and the stretching length of the top horizontal rod 31 or the bottom horizontal rod 41 and the height of the self-lifting rod 35 can be adjusted to quickly meet the safety requirements of the passage. The whole process is convenient, fast, easy to operate, and safe.
[0047] When in use, the improved gangway is lifted to the pre-set position, the angle of the gangway and the angle with the ship are adjusted, the two ends of the gangway are well fitted with the wharf shore and the ship deck, the locking bolt of the bottom horizontal rod 41 is loosened, the stretching length of the stretchable handrail assembly at the bottom is adjusted, the length and height of the stretchable handrail assembly at the bottom are just right to meet the needs of personnel climbing the ladder, then the length of the stretchable handrail assembly at the top is adjusted, and the angle of the top handrail stand 33 is rotated to make the length and height of the stretchable handrail assembly just right to meet the needs, when the self-lifting rod 35 is stretched and contacts the deck surface, the adjustment is completed, and the locking bolt on the top horizontal rod 31 is locked. The improved gangway realizes the normal work in the current working condition.
[0048] When the ship is displaced due to wind or waves after working for a period of time, the originally set handrail position no longer meets the current working condition, the locking bolt of the bottom stretchable handrail assembly or the top stretchable handrail assembly can be loosened, the stretch length is adjusted, the bottom stretchable handrail assembly and the top stretchable handrail assembly meet the gap requirement under the new working condition, and the locking bolt is tightened when the self-lifting pull rod 35 is stretched out and contacts the deck, so that the handrail requirement under the new condition is met. It should be noted that if the gangway is displaced due to external factors and the total length of the gangway steps does not meet the safety distance requirement of the gangway erection, the gap between the gangway and the deck cannot be reduced by forcibly adjusting the bottom stretchable handrail assembly or the top stretchable handrail assembly to pass through. At this time, the gangway needs to be repositioned with the help of a crane or other terminal equipment, and then the above-mentioned adjustment steps of the top and bottom handrail devices of the gangway are repeated, and the locking bolt is tightened to pass through.
[0049] After the gangway is used, the locking bolt is loosened, the top horizontal rod 31 and the bottom horizontal rod 41 are all retracted into the round pipe of the fixed handrail of the gangway, the locking bolt is tightened, the gangway and the fixed guardrail 2 are firmly fixed, and then the gangway is lifted out.
[0050] The patent has good applicability, simple operation, reduces the construction and removal work of the guardrail of the traditional gangway top protection device, saves a large amount of manpower and material resources, and is simple to upgrade and transform, and is worth popularizing on a large scale.
[0051] Since the structures of the fixed guardrails 2 of different specifications and models of gangways are different, when the number of the round pipes on the fixed guardrail 2 is insufficient or the opening area of the structural member is insufficient, an elliptical pipe can be additionally arranged (welded or bolted) on the fixed guardrail 2 and matched with the top horizontal rod 31 or the bottom horizontal rod 41. Each round anti-disengagement block 5 is preferably arranged on the top horizontal rod 31 or the bottom horizontal rod 41 inserted into the pipe, and the tail portion has sufficient space to be arranged and abut against the end surface of the pipe, so that the anti-disengagement effect is achieved. The end surface of the top horizontal rod 31 or the bottom horizontal rod 41 directly inserted into the round pipe of the fixed guardrail 2 can cancel the round anti-disengagement block 5, and the top horizontal rod 31 or the bottom horizontal rod 41 only has the limiting and sliding effect.
[0052] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An adaptive gangway comprising a gangway body (1) and a fixed rail (2), characterized in that, The fixed guardrail (2) is provided with a stretchable handrail assembly on one side of the gangway main body (1), and the stretchable handrail assembly is in sliding connection with the fixed handrail.
2. The self- adaptive gangway of claim 1, wherein, The stretchable handrail assembly has two groups, and the two groups of stretchable handrail assemblies are respectively located at the top and the bottom of the gangway main body (1).
3. The self- adaptive gangway of claim 2, wherein, The stretchable handrail assembly located at the bottom of the gangway main body (1) includes a bottom handrail vertical rod (43) and a plurality of bottom transverse rods (41), the fixed guardrail (2) is provided with a plurality of bottom elliptical holes (42) for the bottom transverse rods (41) to pass through, each bottom elliptical hole (42) is in one-to-one correspondence with each bottom transverse rod (41) and is in sliding connection; The bottom handrail vertical rod (43) is fixedly connected with one end of each bottom transverse rod (41) away from the gangway main body (1), and the fixed guardrail (2) is provided with a fastener (6) for fixing the bottom transverse rod (41) to itself.
4. A self- adaptive gangway according to claim 2 or 3, characterized in that The stretchable handrail assembly located at the top of the gangway main body (1) includes a top handrail vertical rod (33) and a plurality of top transverse rods (31), the fixed guardrail (2) is provided with a plurality of top elliptical holes (32) for the top transverse rods (31) to pass through, each top elliptical hole (32) is in one-to-one correspondence with each top transverse rod (31) and is in sliding connection; The top handrail vertical rod (33) is rotatably connected with one end of each top transverse rod (31) away from the gangway main body (1), and the fixed guardrail (2) is provided with a fastener (6) for fixing the top transverse rod (31) to itself.
5. The self- adaptive gangway of claim 4, wherein, The top handrail vertical rod (33) is a tubular structure, and a self-lifting pull rod (35) is sleeved on a downward end of the top handrail vertical rod (33), and the self-lifting pull rod (35) is in sliding connection with the top handrail vertical rod (33).
6. The self- adaptive gangway of claim 5, wherein, A plurality of connecting pieces (34) for hinging with each top transverse rod (31) are fixedly connected to the side surface of the top handrail vertical rod (33).
7. The self- adaptive gangway of claim 6, wherein, One end of the top transverse rod (31) away from the top handrail vertical rod (33) is provided with a circular anti-drop block (5).
8. The self- adaptive gangway of claim 5, wherein, The bottom of the self-lifting pull rod (35) is provided with a support piece (36), and a diagonal bracing reinforcing plate (37) is arranged between the support piece (36) and the self-lifting pull rod (35).
9. The self- adaptive gangway of claim 3, wherein, One end of the bottom transverse rod (41) away from the bottom handrail vertical rod (43) is provided with a circular anti-drop block (5).