Marine inclined ladder

Abstract

The utility model discloses a marine inclined ladder, it includes ladder bed, footboard, handrail subassembly and dustproof plate, the two ladder bed is spaced apart left and right, the two ladder bed is connected through the footboard, the footboard is provided with a plurality of and is evenly spaced apart, handrail subassembly is fixed on the ladder bed, and the dustproof plate is fixed on the ladder bed. A plurality of open holes are formed in the ladder frame, the open holes extend in the length direction of the ladder frame and are uniformly arranged at intervals, the open holes extend in the length direction of the ladder frame, the edges of the open holes are in arc transition, and the dustproof plate is fixed on the ladder frame; according to the utility model, the overall rigidity of the ladder assembly is strong, the stress concentration can be avoided, and the service life of the ladder assembly is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of ship equipment, and particularly relates to a marine inclined ladder. Background Art

[0002] At present, inclined ladders are mainly made of channel steel, bulb flat steel and channel steel, with high strength but large weight. For some special ship types, angle steel is used to make light inclined ladders (CB / T 81-1999 Marine steel inclined ladders; CB / T 833-1998 Engine room inclined ladders). Their design and manufacture are difficult, with many parts, complex cutting mainly by manual cutting, large and variable assembly and welding work, and much finishing work, making it difficult to effectively control costs and quality. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a marine inclined ladder, which can effectively solve the problems of difficult manufacturing process, difficult quality assurance and high cost in the prior art.

[0004] In order to solve the above technical problems, the technical scheme adopted by the utility model is as follows:

[0005] A marine inclined ladder, which comprises a ladder frame, pedals, handrail assemblies and dust-proof plates. There are two ladder frames arranged at intervals left and right. The two ladder frames are connected by the pedals. There are multiple pedals arranged at uniform intervals. The handrail assemblies are fixed on the ladder frames. Multiple openings are integrally formed on the ladder frames. The multiple openings extend along the length direction of the ladder frames and are arranged at uniform intervals. The openings extend along the length direction of the ladder frames, and the edges of the openings are in arc transition. The dust-proof plates are fixed between the two ladder frames.

[0006] As a preferred scheme of the utility model, a first eye plate is fixedly arranged at the upper end of the ladder frame, and the first eye plate is connected to the first fixing part of the hull. A second eye plate is fixedly arranged at the lower end of the ladder frame, and the second eye plate is connected to the second fixing part of the hull.

[0007] As a preferred embodiment of the present utility model, the armrest assembly includes an inclined rod, a first vertical rod, a second vertical rod, a bottom connecting column, a first connecting rod, a second connecting rod and a third connecting rod. The inclined rod is arranged parallel to the ladder frame. The first vertical rod and the second vertical rod extend in the vertical direction. The first vertical rod is fixed to the upper end of the ladder frame. The upper end of the inclined rod is fixedly connected to the first vertical rod. The lower end of the inclined rod is connected to the second vertical rod. The second vertical rod is fixedly connected to the ladder frame through the bottom connecting column. The first connecting rod and the second connecting rod are both fixedly connected between the inclined rod and the ladder frame, and the first connecting rod and the second connecting rod are arranged at intervals. The third connecting rod is fixedly connected between the first vertical rod and the second vertical rod.

[0008] As a preferred embodiment of the present utility model, there is an arc transition between the inclined rod and the first vertical rod.

[0009] As a preferred embodiment of the present utility model, there is an arc transition between the inclined rod and the second vertical rod.

[0010] As a preferred embodiment of the present utility model, the bottom connecting column, the first connecting rod and the second connecting rod are all perpendicular to the ladder frame.

[0011] As a preferred embodiment of the present utility model, the third connecting rod is parallel to the inclined rod.

[0012] As a preferred embodiment of the present utility model, the material of the ladder frame is steel plate.

[0013] As a preferred embodiment of the present utility model, the opening is arranged as a waist-shaped hole.

[0014] Implementing a marine inclined ladder provided by the present utility model, compared with the prior art, its beneficial effects are as follows:

[0015] Since the openings extend along the length direction of the ladder frame and are arranged at uniform intervals, and the openings extend along the length direction of the ladder frame. In the use state, the arrangement of the openings increases the stiffness of the ladder frame, making the ladder frame not easily break. And because the edges of the openings are in arc transition, it can reduce the stress concentration of the ladder frame and prevent the ladder frame from cracking, thereby improving the strength of the overall inclined ladder. By adopting the present utility model, the overall stiffness of the ladder frame is strong, and stress concentration can be avoided, prolonging the service life of the ladder frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings of the embodiments will be briefly introduced below.

[0017] Figure 1 It is a schematic structural diagram of a marine inclined ladder provided by an embodiment of the present utility model.

[0018] Markings in the figure:

[0019] Ladder frame 1; tread 2; handrail assembly 3; inclined rod 31; first vertical rod 32; second vertical rod 33; bottom connecting column 34; first connecting rod 35; second connecting rod 36; third connecting rod 37; dust-proof plate 4; opening 5; first eye plate 6; second eye plate 7. Detailed implementation manners

[0020] The following combines the accompanying drawings and embodiments to further describe in detail the specific implementation manners of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. It should be understood that the present utility model uses the terms "first", "second", etc. to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present utility model, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information.

[0022] As Figure 1 shown, a preferred embodiment of the present utility model provides a marine inclined ladder, which includes a ladder frame 1, a tread 2, a handrail assembly 3 and a dust-proof plate 4. There are two ladder frames 1 arranged at intervals left and right. The two ladder frames 1 are connected by the tread 2. There are multiple treads 2 arranged at uniform intervals. The handrail assembly 3 is fixed on the ladder frame 1. A plurality of openings 5 are formed on the ladder frame 1. The plurality of openings 5 extend along the length direction of the ladder frame 1 and are arranged at uniform intervals. The opening 5 extends along the length direction of the ladder frame 1, and the edge of the opening 5 is in arc transition. The dust-proof plate 4 is fixed between the two ladder frames 1. In this embodiment, the opening 5 is set as a waist-shaped hole.

[0023] Since the openings 5 extend along the length direction of the ladder frame 1 and are arranged at uniform intervals, and the openings 5 extend along the length direction of the ladder frame 1. In the use state, the arrangement of the openings 5 increases the stiffness of the ladder frame 1, making the ladder frame 1 not easily break. And because the edges of the openings 5 are in arc transition, it can reduce the stress concentration of the ladder frame 1 and prevent the ladder frame 1 from cracking, thereby improving the strength of the overall inclined ladder. By adopting the utility model, the overall stiffness of the ladder frame 1 is strong, and stress concentration can be avoided, prolonging the service life of the ladder frame 1.

[0024] Exemplarily, a first eye plate 6 is fixedly provided at the upper end of the ladder frame 1, and the first eye plate 6 is connected to the first fixing part of the hull. A second eye plate 7 is fixedly provided at the lower end of the ladder frame 1, and the second eye plate 7 is connected to the second fixing part of the hull. In specific use, the upper end of the ladder frame 1 is connected to the hull through the first eye plate 6, and the lower end of the ladder frame 1 is connected to another part of the hull through the second eye plate 7, and the connection part will not affect the structure and stiffness of the entire ladder frame 1, ensuring the stability of the entire inclined ladder and facilitating use.

[0025] In this embodiment, the handrail assembly 3 includes an inclined rod 31, a first vertical rod 32, a second vertical rod 33, a bottom connecting column 34, a first connecting rod 35, a second connecting rod 36 and a third connecting rod 37. The inclined rod 31 is arranged parallel to the ladder frame 1. The first vertical rod 32 and the second vertical rod 33 extend in the vertical direction. The first vertical rod 32 is fixed at the upper end of the ladder frame 1. The upper end of the inclined rod 31 is fixedly connected to the first vertical rod 32. The lower end of the inclined rod 31 is connected to the second vertical rod 33. The second vertical rod 33 is fixedly connected to the ladder frame 1 through the bottom connecting column 34. The first connecting rod 35 and the second connecting rod 36 are both fixedly connected between the inclined rod 31 and the ladder frame 1, and the first connecting rod 35 and the second connecting rod 36 are arranged at intervals. The third connecting rod 37 is fixedly connected between the first vertical rod 32 and the second vertical rod 33. Thus, the entire handrail assembly 3 forms a structure with horizontal and vertical intersections, and the overall stability is high.

[0026] Exemplarily, there is an arc transition between the inclined rod 31 and the first vertical rod 32, and there is an arc transition between the inclined rod 31 and the second vertical rod 33. The connection part is set to be in arc transition, which can prevent injuries caused by collisions during use and facilitate use.

[0027] Specifically, the bottom connecting column 34, the first connecting rod 35 and the second connecting rod 36 are all perpendicular to the ladder frame 1, and the third connecting rod 37 is parallel to the inclined rod 31.

[0028] Exemplarily, the material of the ladder frame 1 is steel plate, and the overall strength is high.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connection" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present utility model, several improvements and substitutions can still be made, and these improvements and substitutions should also be regarded as the protection scope of the present utility model.

Claims

1. A marine inclined ladder, characterized in that: It includes a ladder frame, a pedal, an armrest assembly and a dustproof plate. The ladder frames are provided with two and are spaced apart from each other. The two ladder frames are connected by the pedal. The pedals are provided with multiple and are evenly spaced apart. The armrest assembly is fixed on the ladder frame. Multiple openings are formed on the ladder frame. The multiple openings extend along the length direction of the ladder frame and are evenly spaced apart. The openings extend along the length direction of the ladder frame. The edges of the openings are arc-shaped transitions. The dustproof plate is fixed between the two ladder frames.

2. A marine inclined ladder according to claim 1, characterized in that: A first eye plate is fixedly arranged at the upper end of the ladder frame, and the first eye plate is connected to a first fixing portion of the hull; a second eye plate is fixedly arranged at the lower end of the ladder frame, and the second eye plate is connected to a second fixing portion of the hull.

3. A marine inclined ladder according to claim 1, characterized in that: The handrail assembly includes an inclined rod, a first vertical rod, a second vertical rod, a bottom connecting column, a first connecting rod, a second connecting rod and a third connecting rod, the inclined rod is arranged parallel to the ladder frame, the first vertical rod and the second vertical rod extend in a vertical direction, the first vertical rod is fixed to the upper end of the ladder frame, the upper end of the inclined rod is fixedly connected to the first vertical rod, the lower end of the inclined rod is connected to the second vertical rod, the second vertical rod is fixedly connected to the ladder frame through the bottom connecting column, the first connecting rod and the second connecting rod are both fixedly connected between the inclined rod and the ladder frame, and the first connecting rod and the second connecting rod are arranged at intervals, and the third connecting rod is fixedly connected between the first vertical rod and the second vertical rod.

4. A marine inclined ladder according to claim 3, characterized in that: There is an arc transition between the inclined rod and the first vertical rod.

5. A marine inclined ladder according to claim 3, characterized in that: There is an arc transition between the inclined rod and the second vertical rod.

6. A marine inclined ladder according to claim 3, characterized in that: The bottom connecting column, the first connecting rod and the second connecting rod are all perpendicular to the ladder frame.

7. A marine inclined ladder according to claim 3, characterized in that: The third connecting rod is parallel to the tilting rod.

8. The marine inclined ladder according to claim 1, characterized in that: The ladder frame is made of steel plate.

9. The marine inclined ladder according to claim 1, characterized in that: The opening is configured as a waist-shaped hole.

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