Modularized combined type net rack

Abstract

The utility model relates to a modular combined net rack, which comprises four vertical rod assemblies, four cross rod assemblies and fasteners, each vertical rod assembly is formed by assembling a rectangular metal connecting piece and a rectangular composite material pipe in a plug-in manner, and each cross rod assembly is formed by assembling a round metal connecting piece and a round composite material pipe in a plug-in manner. The non-metal composite material is applied to the marine collapsible handrail, so that the structural strength and the application environment of the marine collapsible handrail can meet the marine standard, the weight of each modular combined type non-metal collapsible handrail is reduced by 30% compared with that of an original steel net frame, and the modular combined type non-metal collapsible handrail can be used as a fixed handrail and can be matched with a rotary driving device; and a speed reducer and a linear driving device such as an electric cylinder are used to drive the handrail to realize a manual or electric upside-down function.

Description

Technical Field

[0001] The utility model relates to a marine reversible railing grid frame in the field of marine equipment, in particular to a modular combined grid frame. Background Art

[0002] The main structure of a reversible marine railing is a grid structure, often constructed of welded steel pipes made of stainless steel or carbon steel. Due to the material's characteristics, the grid structure offers limited room for weight reduction, which doesn't align with the trend of lightweight equipment design.

[0003] With increasing customer demands for weight control in marine retractable railings, lightweight design has become a key development direction for safety nets. Non-metallic composite materials, with their lightweight and corrosion-resistant properties, are promising candidates for future safety nets. However, their unique molding process generally results in high production and maintenance costs.

[0004] In view of the above-mentioned defects in the existing technology, the inventor has finally created the present utility model which has real practical value after continuous research, design, repeated trials and improvements. Summary of the Invention

[0005] The purpose of this utility model is to overcome the defects of the existing marine grid and provide a modular combined grid with a new structure. The technical problem to be solved is to make it lightweight, simple in processing technology, able to meet the requirements of strength, reliability and safety, and thus more suitable for practical use.

[0006] Another purpose of the present invention is to solve the technical problem of reducing production and maintenance costs, thereby making the device more practical.

[0007] Another object of the present invention is to provide a modular combined grid, the technical problem to be solved is to apply non-metallic composite materials to ship reversible railings, the structural strength and application environment of which can meet the relevant ship standards and are therefore more suitable for practical use.

[0008] Another object of the present invention is to provide a modular combined grid, the technical problem to be solved is that it can be used as a fixed railing, can be used in conjunction with a rotary drive device and a linear drive device, and drive the railing to realize manual or electric inversion function, thereby being more suitable for practical use.

[0009] The concept of the utility model is to assemble each rod assembly as an independent assembly unit through fasteners. When any rod assembly is damaged, it can be disassembled and replaced, which makes equipment maintenance more convenient and greatly reduces maintenance costs.

[0010] The purpose of the present invention and the solution to its technical problem are achieved by adopting the following technical solutions.

[0011] A modular combined grid frame proposed in the present invention is composed of four vertical pole assemblies, four horizontal bar assemblies and fasteners. The vertical pole assembly is assembled by plugging rectangular metal connectors and rectangular composite material tubes, and the horizontal bar assembly is assembled by plugging circular metal connectors and circular composite material tubes.

[0012] Furthermore, each of the two side upright pole assemblies located on both sides of the four upright pole assemblies is composed of a first support plate assembly, a first composite rectangular tube and a first steel cap, wherein the first composite rectangular tube is embedded and inserted into the rectangular tube in the first support plate assembly at the bottom end and the rectangular tube in the first steel cap at the top end;

[0013] Each of the two middle center pole assemblies in the four vertical pole assemblies is assembled by plugging together a second support plate assembly and a second composite rectangular tube, wherein the second composite rectangular tube is embedded in the second support plate assembly rectangular tube.

[0014] Furthermore, each of the three lower cross bar assemblies located below the cross bar assembly is assembled by plugging together a first sleeve and a first composite material round tube, wherein the first composite material round tube is embedded and inserted into the first sleeve round tube;

[0015] The upper cross bar assembly located at the top of the cross bar assembly is assembled by plugging together a second sleeve, a second composite material round tube and a second steel cap, wherein the second composite material round tube is embedded in the second sleeve and the round tube of the second steel cap arranged in the middle position, and the second steel cap is welded by a rectangular metal tube and a round metal tube.

[0016] Furthermore, it also includes a crossbar assembly, which is arranged on the two center rod assemblies. The crossbar assembly is welded by a metal rectangular tube and a metal plate, and the metal plate serves as an interface of the execution structure.

[0017] Furthermore, the first support plate assembly, the first steel cap, the first sleeve, the second steel cap, and the crossbar assembly are made of metal;

[0018] The first composite rectangular tube and the second composite rectangular tube, the first composite circular tube and the second composite circular tube are made of glass fiber reinforced composite tube, carbon fiber reinforced composite tube, or basalt fiber reinforced composite tube.

[0019] Compared with the prior art, the present invention has obvious advantages and beneficial effects. It has at least the following advantages:

[0020] 1. This utility model applies non-metallic composite materials to ship reversible railings, and its structural strength and application environment can meet the requirements of relevant ship standards.

[0021] 2. Each modular combined non-metallic reversible railing of the present invention reduces weight by 30% compared to the original steel grid.

[0022] 3. Each rod assembly of the utility model is an independent assembly unit, and the production cost and maintenance cost are low.

[0023] 4. The utility model can be used as a fixed railing, and can also be used in conjunction with a rotary drive device and a linear drive device, and can drive the railing to realize manual or electric inversion, which is more practical.

[0024] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the existing technical grid structure.

[0026] Figure 2 This is a schematic diagram of the modular grid assembly of the utility model.

[0027] Figure 3 It is a schematic diagram of the assembly of the side upright pole of the utility model.

[0028] Figure 4 It is a schematic diagram of the assembly of the lower crossbar of the utility model.

[0029] Figure 5 It is a schematic diagram of the assembly of the neutral pole assembly of the utility model.

[0030] Figure 6 It is a schematic diagram of the assembly of the upper crossbar of the utility model.

[0031] Figure 7 It is a schematic diagram of the crossbar assembly of the present utility model.

[0032] in:

[0033] 1: Side pole assembly

[0034] 11: First support plate assembly 12: First composite rectangular tube

[0035] 13: First Steel Cap

[0036] 2: Lower crossbar assembly

[0037] 21: First sleeve 22: First composite material round tube

[0038] 3: Neutral rod assembly

[0039] 31: Second support plate assembly 32: Second composite rectangular tube

[0040] 4: Upper crossbar assembly

[0041] 41: Second sleeve 42: Second composite material round tube

[0042] 43: Second steel cap

[0043] 5: Crossbar assembly

[0044] 51: Metal rectangular tube 52: Metal sheet

[0045] 6: Fasteners DETAILED DESCRIPTION

[0046] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the following, in combination with the accompanying drawings and preferred embodiments, describes in detail a modular combined grid proposed according to the present invention, its specific implementation method, structure, characteristics and effects.

[0047] See also Figure 2-Figure 7 As shown, a modular combined grid structure of a preferred embodiment of the present invention is mainly composed of four vertical pole assemblies, four horizontal pole assemblies, and fasteners 6. The vertical pole assembly is assembled by plugging rectangular metal connectors and rectangular composite material tubes, and the horizontal pole assembly is assembled by plugging circular metal connectors and circular composite material tubes. Among them:

[0048] See Figure 3 As shown, each of the two side upright pole assemblies 1 on both sides of the four upright pole assemblies is assembled by a first support plate assembly 11, a first composite rectangular tube 12 and a first steel cap 13 through plug-in connection, wherein the first composite rectangular tube 12 is embedded and inserted into the rectangular tube in the first support plate assembly 11 at the bottom end and the rectangular tube in the first steel cap 13 at the upper end;

[0049] See Figure 4 As shown, each of the three lower cross bar assemblies 2 located at the bottom of the cross bar assembly is assembled by a first sleeve 21 and a first composite material round tube 22 by plugging, wherein the first composite material round tube 22 is embedded and inserted into the first sleeve 21 round tube;

[0050] See Figure 5As shown, each of the two center pole assemblies 3 located in the middle of the four vertical pole assemblies is assembled by a second support plate assembly 31 and a second composite material rectangular tube 32 through plug-in connection, wherein the second composite material rectangular tube 32 is embedded in the rectangular tube of the second support plate assembly 31.

[0051] See Figure 6 As shown, the upper crossbar assembly 4, located at the top of the crossbar assembly, is assembled by plugging together a second sleeve 41, a second composite material circular tube 42, and a second steel cap 43. The second composite material circular tube 42 is inserted into the second sleeve 41 and the second steel cap 43 located in the middle. The second steel cap 43 is welded from a rectangular metal tube and a circular metal tube.

[0052] See Figure 7 As shown, the crossbar assembly 5 is arranged on the two middle pole assemblies 3. The crossbar assembly 5 is welded by a metal rectangular tube 51 and a metal plate 52. The metal plate 52 serves as an interface of the execution structure.

[0053] The first support plate assembly 11, the first steel cap 13, the first sleeve 21, the second steel cap 43, and the crossbar assembly 5 are made of metal;

[0054] The materials of the first composite rectangular tube 12 and the second composite rectangular tube 32 , and the first composite circular tube 22 and the second composite circular tube 42 are glass fiber reinforced composite tube, carbon fiber reinforced composite tube, and basalt fiber reinforced composite tube.

[0055] The above embodiment is a modular combined grid, which is assembled by fasteners with each rod assembly as an independent assembly unit. When any rod assembly is damaged, it can be disassembled and replaced, which makes equipment maintenance more convenient and greatly reduces maintenance costs.

[0056] The modular combined grid frame of the present invention can be used as a fixed guardrail and can be used in conjunction with a rotary drive device (such as a speed reducer).

[0057] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A modular combined grid, characterized by: It consists of four vertical pole assemblies, four horizontal pole assemblies and fasteners (6), wherein the vertical pole assembly is assembled by plugging rectangular metal connectors and rectangular composite material tubes, and the horizontal pole assembly is assembled by plugging circular metal connectors and circular composite material tubes.

2. The modular combined grid according to claim 1, characterized in that: Each of the two side upright pole assemblies (1) located on both sides of the four upright pole assemblies is composed of a first support plate assembly (11), a first composite material rectangular tube (12) and a first steel cap (13), wherein the first composite material rectangular tube (12) is embedded and inserted into the rectangular tube in the first support plate assembly (11) at the bottom and the rectangular tube in the first steel cap (13) at the top; Each of the two center pole assemblies (3) located in the middle of the four pole assemblies is assembled by plugging together a second support plate assembly (31) and a second composite material rectangular tube (32), wherein the second composite material rectangular tube (32) is embedded and plugged into the rectangular tube of the second support plate assembly (31).

3. The modular combined grid according to claim 2, characterized in that: Each of the three lower cross bar assemblies (2) located below the cross bar assembly is assembled by plugging together a first sleeve (21) and a first composite material circular tube (22), wherein the first composite material circular tube (22) is inserted into the first sleeve (21) circular tube; A continuous upper crossbar assembly (4) located at the top of the crossbar assembly is assembled by plugging together a second sleeve (41), a second composite material circular tube (42) and a second steel cap (43), wherein the second composite material circular tube (42) is inserted into the second sleeve (41) and the circular tube of the second steel cap (43) arranged at the middle position, and the second steel cap (43) is welded by a rectangular metal tube and a circular metal tube.

4. A modular combined grid according to any one of claims 1-2, characterized in that: The invention also includes a crossbar assembly (5), which is arranged on the two middle pole assemblies (3). The crossbar assembly (5) is welded by a metal rectangular tube (51) and a metal plate (52), and the metal plate (52) serves as an interface of the execution structure.

5. A modular combined grid according to claim 2 or 3, characterized in that: The first support plate assembly (11), the first steel cap (13), the first sleeve (21), the second steel cap (43), and the crossbar assembly (5) are made of metal; The first composite rectangular tube (12), the second composite rectangular tube (32), the first composite circular tube (22), and the second composite circular tube (42) are made of glass fiber reinforced composite tubes, carbon fiber reinforced composite tubes, and basalt fiber reinforced composite tubes.

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