Indoor inclined ladder structure for building living quarter on ship
By simplifying the ladder side plates and tread plate structure of the indoor inclined ladder in the living area of the ship, and adopting a flat plate and bottom cover plate design, the problems of large bending workload, large welding deformation and heavy weight in the existing technology are solved, and the production time and weight are reduced, the installation difficulty is reduced, and the cleaning is convenient.
Patent Information
- Application Number
- CN202423100369.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The existing indoor inclined ladder structure in the living area of ships has problems such as large bending workload, large welding deformation, heavy weight, high installation difficulty and difficult cleaning during the production and installation process.
The ladder side panels and treads are made of flat plate structures to simplify the forming process and reduce the bending work. A bottom sealing plate is added to reduce welding points. The treads and ladder side panels are designed to be non-contact, the tread form is optimized, the welding workload is reduced, and load-bearing rods are set to improve the supporting strength.
It reduces the production time and weight of the inclined ladder, reduces the welding workload by 40%, reduces the installation difficulty, improves the supporting strength, and facilitates cleaning and maintenance.
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Figure CN223432433U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of ships, and more specifically relates to an indoor inclined ladder structure for a living area on a ship. Background Art
[0002] In the existing field of ship technology, on cargo ships, multi-purpose ships, marine engineering ships and other types of ships other than passenger ships, the layout of the indoor inclined ladder in the upper living area is limited by the space on the ship. There is not enough space to install a double ladder, and only a single ladder can be selected for going up and down between indoor decks. In addition, the indoor inclined ladder mostly uses grooved bent plate ladder frames on both sides as the main load-bearing structure, and is welded with bent plate steps. The defects of the existing technology: the grooved ladder frames on both sides of the indoor inclined ladder in the upper living area need to be cut from steel plates, bent into shape by a plate bending machine, and then assembled and welded. The bending and assembly workload is large, and the plates are thin, resulting in large welding deformation, which requires fire correction; when installed on the actual ship, the upper end and lower foot of the inclined ladder can only be welded on one side due to space limitations when being welded on the ship, and the back cannot be welded. After a certain number of years of use, the ship is prone to rust or desoldering, affecting the performance of the ship.
[0003] The prior art includes a technology titled "An Indoor Main Staircase Meeting Class A Fire Deck Separation Requirements for Ships" with a publication (announcement) number of "CN111891298B." This technology relates to the field of ship staircase technology, specifically to an indoor main ladder meeting Class A fire deck separation requirements for ships. The technology comprises a plurality of decks disposed on the ship, with rectangular staircase mounting openings provided on each deck. The rectangular staircase mounting openings are vertically aligned, with a straight inclined ladder positioned diagonally between two adjacent rectangular staircase mounting openings, and the straight inclined ladders are arranged in the same direction. The back of the straight inclined ladder is integrally provided with a steel backplate, and the straight inclined ladder is also provided with a retractable cargo transport device. This invention reduces the space occupied by the ship's main ladder and facilitates its installation.
[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Utility Model Content
[0005] The technical problem to be solved by the utility model is: in view of the deficiencies of the existing technology, a simple structure is provided, which reduces the bending work in the inclined ladder manufacturing stage and the ladder frame does not need to be bent again; the form of the step plate is optimized, the welding work at both ends of the step is reduced, the manufacturing time of the inclined ladder is reduced, the installation difficulty is reduced, the cleaning is convenient, and the weight of the inclined ladder is reduced.
[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is:
[0007] The utility model is an indoor inclined ladder structure for a living area on a ship, comprising ladder side plates, a plurality of treads and a bottom sealing plate. The bottom sealing plate is fixedly arranged at the lower part of the ladder side plates, and a plurality of treads are fixedly connected to the inner side of the ladder side plates. The ladder side plates and the bottom sealing plate are inclinedly arranged, and the treads are horizontally arranged.
[0008] The ladder side plate includes a first ladder side plate and a second ladder side plate, and the first ladder side plate and the second ladder side plate are respectively connected to the bottom sealing plate.
[0009] The tread plate comprises a tread surface, a front folding edge and a rear folding edge, and the tread surface, the front folding edge and the rear folding edge are in an N-shaped structure.
[0010] The tread, front folding edge and rear folding edge of the tread plate are an integrated structure, and the tread is a horizontally arranged structure.
[0011] The tread plate is welded to the first ladder side plate and the second ladder side plate.
[0012] A plurality of welding points are provided between the first ladder side plate and the bottom sealing plate, and a plurality of welding points are provided between the second ladder side plate and the bottom sealing plate.
[0013] The bottom of the ladder side plate is welded to the deck ground, and the top of the ladder side plate is welded to the top flat plate.
[0014] The bottom sealing plate comprises a plurality of bottom sealing plates, each of which is respectively connected to the first ladder side plate and the second ladder side plate, each of which forms a welding point with the first ladder side plate, and each of which forms a welding point with the second ladder side plate.
[0015] A plurality of bearing rods are further provided between the first ladder side plate and the second ladder side plate, and the bearing rods are supported on the lower surface of the tread of the step plate.
[0016] The technical solution of this utility model is adopted, and the working principle and beneficial effects are as follows:
[0017] The utility model discloses a ship built living area indoor inclined ladder structure, when the structure sets up, sets up two ladder side plates, a plurality of step boards, a plurality of bottom sealing plates, and the ladder side plate is long strip board spare structure, when setting up, the ladder side plate is inclined and sets up, and the lower end is plane structure after each ladder side plate is arranged in place, and the lower end of the ladder side plate is used for connecting the deck ground, and the upper end of the ladder side plate is used for connecting the top flat plate, and each ladder side plate inner side surface is connected step board one end respectively, and a plurality of step boards are arranged in the extension direction of inclined ladder plate and are arranged in the extension direction of inclined ladder plate in the form of step, and the bottom sealing plate is fixed and arranged at the lower part of the ladder side plate, and simultaneously, each step board is supported on the corresponding bottom sealing plate, realizes reliable support, and the step board is horizontal arrangement structure after each ladder side plate is arranged in place, satisfies the demand of personnel up and down. The structure of the utility model, the form of two side ladder side plates is simplified, and the ladder side plate is formed by directly cutting the blank of the plane plate, and the bent plate is no longer needed to be formed into a groove type structure. The form of step board 2 is simplified, the step board is welded with the ladder side plate, and is supported on the bottom sealing plate at the same time, thereby reducing the welding work between the two ends of the step board and the ladder side plate, and improving the support strength. The flat bottom sealing plate is increased, dust and ash are prevented, and the ship is cleaned and maintained. The bottom sealing plate is provided with a plurality of parts, and the ladder side plate and the bottom sealing plate adopt partial non-contact design, so as to reduce the contact welding work amount, and the welding position is fixedly connected through the welding point. The lowermost layer of step board is designed in the form of suspension, and does not directly contact the deck ground, thereby reducing the welding work on the ship, and facilitating the cleaning of the ship. In the structure of the utility model, the bending plate work in the inclined ladder manufacturing stage is reduced, and the ladder frame does not need to be bent again. The form of the step board is optimized, the welding work at the two ends of the step is reduced, the total welding work amount is reduced by 40%, the ladder manufacturing time is saved by about 50%, and the structure of the utility model is lighter than the original form by 15% in weight for the ladder of the same size. BRIEF DESCRIPTION OF DRAWINGS
[0018] The following is a brief description of the content expressed by each drawing of the present specification and the marks in the drawings:
[0019] Figure 1 It is a structure schematic view of the ship built living area indoor inclined ladder structure of the utility model;
[0020] Figure 2 It is a structure schematic view of the ship built living area indoor inclined ladder structure of the utility model;
[0021] The marks in the drawings are as follows: 1, ladder side plate; 2, step board; 3, bottom sealing plate; 4, first ladder side plate; 5, second ladder side plate; 6, tread; 7, front folding edge; 8, rear folding edge; 9, welding point; 10, deck ground; 11, top flat plate; 12, bearing rod. DETAILED DESCRIPTION
[0022] The specific embodiments of the utility model are further explained in detail below with reference to the drawings and the description of the embodiments, including the shape, structure, mutual position and connection relationship between the parts, the function and working principle of each part, etc.
[0023] As shown in the accompanying Figure 1 -attached Figure 2 The utility model discloses a kind of indoor inclined ladder structures of life area on ship building, including ladder side plate 1, multiple step board 2, bottom sealing plate 3, bottom sealing plate 3 is fixedly arranged in the lower portion of ladder side plate 1, multiple step board 2 is fixedly connected in the inner side of ladder side plate 1, ladder side plate 1 and bottom sealing plate 3 are inclined arrangement structure, step board 2 is horizontal arrangement structure.The above structure, for the deficiency in the prior art, propose improved technical solution.Structure setting, set two ladder side plate 1, multiple step board 2, multiple bottom sealing plate 3, ladder side plate 1 is long strip board piece structure, when setting, ladder side plate is inclined to set, after each ladder side plate 1 is inclined to arrange in place, lower end is plane structure, ladder side plate 1 lower end is used to connect deck ground 10, ladder side plate 1 upper end is used to connect top flat plate 11, and each ladder side plate 1 inner side surface is respectively connected with one end of step board 2, and multiple step boards are arranged in step shape along the extension direction of inclined ladder plate 1, and bottom sealing plate 3 is fixedly arranged in the lower portion of ladder side plate 1, and simultaneously, each step board 2 is respectively supported on corresponding bottom sealing plate 3, reliable support is realized, after each ladder side plate 1 is inclined to arrange in place, it is ensured that step board 2 is horizontal arrangement structure, meet the demand of personnel up and down.The structure of the utility model, simplify the form of two side ladder side plate 1, adopt plane board to be directly cut down and form ladder side plate 1, no longer need to bend plate into groove type structure;Simplify the form of step board 2, step board 2 is welded with ladder side plate 1, and is supported on bottom sealing plate 3 simultaneously, so as to reduce the welding work between the two ends of step board and ladder side plate 1, improve support strength;Increase flat bottom sealing plate, dustproof, conducive to cleaning and maintenance on ship.Multiple bottom sealing plates are arranged, and ladder side plate 1 and bottom sealing plate 3 adopt partial non-contact design to reduce contact welding workload, and welding position is fixedly connected through welding point 9.The lowermost layer step board 2 selects suspended design, does not directly contact with deck ground, reduces on-ship welding work, and is conducive to ship cleaning.The structure of the utility model, during inclined ladder manufacturing stage, reduce the bending plate work of inclined ladder manufacturing stage, and ladder frame does not need to be bent again;Step board form is optimized, total welding workload is reduced by 40%, ladder manufacturing time is saved by about 50%;For the same size ladder, the structure of the utility model is 15% lighter than the original form in weight.The indoor inclined ladder structure of life area on ship building described in the utility model has simple structure, reduces the bending plate work of inclined ladder manufacturing stage, and ladder frame does not need to be bent again;Step board form is optimized, step board welding work at both ends is reduced, inclined ladder manufacturing time is reduced, installation difficulty is reduced, cleaning is facilitated, and inclined ladder weight is reduced.
[0024] The ladder side panels 1 comprise a first ladder side panel 4 and a second ladder side panel 5, each of which is connected to the bottom cover 3. In this structure, the first ladder side panel 4 and the second ladder side panel 5 are used to securely connect the treads. Adjacent treads are staggered from bottom to top, facilitating access. Multiple bottom cover panels are provided, with gaps between adjacent bottom cover panels 3. The bottom cover panels are welded to the ladder side panels and also support the treads 2, enhancing overall strength.
[0025] The tread 2 includes a tread 6, a front fold 7, and a rear fold 8, which are in an N-shaped structure. In the above structure, the tread 2 is formed by bending a plate and then welding the ladder side panels, which meets the required strength, is simple to manufacture, and reduces manufacturing costs.
[0026] The tread 6, the front fold 7 and the rear fold 8 of the tread plate 2 are an integrated structure, and the tread 6 is a horizontally arranged structure. With the above structure, the tread is convenient for people to step on and off.
[0027] The treads 2 are welded to the first and second ladder side panels 4 and 5. Multiple welding points 9 are provided between the first ladder side panel 4 and the bottom cover 3, and multiple welding points 9 are provided between the second ladder side panel 5 and the bottom cover 3. With this structure, the treads 2 are reliably welded to the first and second ladder side panels 4 and 5, and the welding points reliably connect the ladder side panel 1 and the bottom cover 3.
[0028] The bottom of the ladder side plate 1 is welded to the deck floor 10, and the top of the ladder side plate 1 is welded to the top plate 11. In the above structure, the deck floor and the top plate are used to arrange the ladder side plates, that is, to achieve the connection between the deck floor 10 on the lower layer and the top plate 11 on the upper layer.
[0029] The bottom sealing plate 3 comprises a plurality of bottom sealing plates 3, each of which is connected to the first ladder side plate 4 and the second ladder side plate 5. Each bottom sealing plate 3 forms a welding point 9 with the first ladder side plate 4, and each bottom sealing plate 3 forms a welding point 9 with the second ladder side plate 5. In the above structure, the bottom sealing plate 3 is a plate structure, which is supported and welded to the ladder side plates to form welding points to ensure the connection strength.
[0030] A plurality of supporting rods 12 are further provided between the first ladder side plate 4 and the second ladder side plate 5. The supporting rods 12 are supported on the lower surface of the tread 6 of the stepping board 2. In the above structure, the supporting rods are optional. After being provided, they can reliably support the stepping board 2 from the bottom, thereby improving the strength of the stepping board 2.
[0031] The indoor inclined ladder structure of the living area on a ship described in the present invention is provided with two ladder side panels 1, multiple treads 2, and multiple bottom sealing plates 3 when the structure is set. The ladder side panel 1 is a long plate structure. When set, the ladder side panel is set at an angle. After each ladder side panel 1 is tilted and arranged in place, the lower end is a flat structure. The lower end of the ladder side panel 1 is used to connect the deck ground 10, and the upper end of the ladder side panel 1 is used to connect the top flat plate 11. The inner side surface of each ladder side panel 1 is respectively connected to one end of the tread 2, and the multiple treads are arranged in a stepped shape along the extension direction of the inclined ladder panel 1, and the bottom sealing plate 3 is fixedly arranged at the lower part of the ladder side panel 1. At the same time, each tread 2 is respectively supported on the corresponding bottom sealing plate 3 to achieve reliable support. After each ladder side panel 1 is tilted and arranged in place, it is ensured that the tread 2 is a horizontal arrangement structure to meet the needs of people going up and down. The structure of the present invention simplifies the form of the ladder side panels 1 on both sides. The ladder side panels 1 are formed by directly cutting flat panels, eliminating the need to bend the panels into a groove-shaped structure. The form of the treads 2 is simplified. The treads 2 are welded to the ladder side panels 1 and supported on the bottom sealing plate 3. This reduces the welding work between the two ends of the treads and the ladder side panels 1 and improves the support strength. A flat bottom sealing plate is added to prevent dust and ash, facilitating cleaning and maintenance on board. Multiple bottom sealing plates are provided, and the ladder side panels 1 and the bottom sealing plates 3 are partially non-contact designed to reduce the workload of contact welding. The welding parts are fixedly connected by welding points 9. The lowest tread 2 is designed to be suspended and not in direct contact with the deck floor 10. This reduces the welding work on board and facilitates cleaning on board. The structure of the present invention reduces the plate bending work during the inclined ladder manufacturing stage, and the ladder frame no longer needs to be bent; the tread plate form is optimized, which reduces the welding work at both ends of the tread, reduces the total welding workload by 40%, and saves about 50% of the ladder manufacturing time; for ladders of the same size, the structure of the present invention is 15% lighter in weight than the original form.
[0032] The above is an exemplary description of the present invention in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.
Claims
1. An indoor inclined ladder structure for a living area on a ship, characterized by: The ladder comprises a side plate (1), a plurality of treads (2), and a bottom sealing plate (3); the bottom sealing plate (3) is fixedly arranged at the lower part of the side plate (1); the inner side of the side plate (1) is fixedly connected to the plurality of treads (2); the side plate (1) and the bottom sealing plate (3) are arranged in an inclined structure, and the treads (2) are arranged in a horizontal structure.
2. The indoor inclined ladder structure for the living area on a ship according to claim 1, characterized in that: The ladder side plate (1) comprises a first ladder side plate (4) and a second ladder side plate (5), and the first ladder side plate (4) and the second ladder side plate (5) are respectively connected to the bottom sealing plate (3).
3. The indoor inclined ladder structure for the living area on a ship according to claim 1 or 2, characterized in that: The tread plate (2) comprises a tread surface (6), a front folding edge (7) and a rear folding edge (8), and the tread surface (6), the front folding edge (7) and the rear folding edge (8) are in an N-shaped structure.
4. The indoor inclined ladder structure for the living area on a ship according to claim 3, characterized in that: The tread (6), front folding edge (7) and rear folding edge (8) of the tread plate (2) are an integrated structure, and the tread (6) is a horizontally arranged structure.
5. The indoor inclined ladder structure for the living area on a ship according to claim 2, characterized in that: The tread plate (2) is welded to a first ladder side plate (4) and a second ladder side plate (5).
6. The indoor inclined ladder structure for the living area on a ship according to claim 5, characterized in that: A plurality of welding points (9) are provided between the first ladder side plate (4) and the bottom sealing plate (3), and a plurality of welding points (9) are provided between the second ladder side plate (5) and the bottom sealing plate (3).
7. The indoor inclined ladder structure for the living area on a ship according to claim 1 or 2, characterized in that: The bottom of the ladder side plate (1) is welded to the deck floor (10), and the top of the ladder side plate (1) is welded to the top flat plate (11).
8. The indoor inclined ladder structure for the living area on a ship according to claim 2, characterized in that: The bottom sealing plate (3) includes a plurality of bottom sealing plates, each bottom sealing plate (3) is respectively connected to the first ladder side plate (4) and the second ladder side plate (5), each bottom sealing plate (3) forms a welding point (9) with the first ladder side plate (4), and each bottom sealing plate (3) forms a welding point (9) with the second ladder side plate (5).
9. The indoor inclined ladder structure for the living area on a ship according to claim 2, characterized in that: A plurality of bearing rods (12) are further provided between the first ladder side plate (4) and the second ladder side plate (5), and the bearing rods (12) are supported on the lower surface of the tread (6) of the step plate (2).
Citation Information
Patent Citations
An indoor main staircase that meets the Class A fire-resistant deck partition requirements of ships
CN111891298B