A terraced drainage fastening device and its vehicle body packaging structure

Abstract

The present invention discloses a terraced drainage fastening device and its vehicle body packaging structure. The device includes a drainage fastening assembly, which includes an upper backing plate, a middle pressing plate, and a lower backing plate. The upper rod hole of the upper backing plate, the middle rod hole of the middle pressing plate, and the lower rod hole of the lower backing plate are relatively arranged in sequence from top to bottom. The lower backing plate blocks at the middle rod hole, and the middle rod hole is exposed on the surface of the middle pressing plate relative to the lower backing plate. The structure includes a vehicle body. A connecting rod is inserted into the rotary lock hole on the vehicle body. A pressing and fastening assembly and a nut are provided at the upper end of the connecting rod, and a drainage fastening assembly and a nut are provided at the lower end of the connecting rod. The beneficial effects of the present invention are as follows: the circular hole of the upper backing plate, the long circular hole of the middle pressing plate, and the circular hole of the lower backing plate form gradient water leakage holes for terraced drainage, avoiding the generation of water accumulation; the tandem packaging stacks two or three layers of the vehicle body, and the connecting rod is used to pass through the rotary lock mounting hole for clamping and fixing and packing. The packaging scheme is simple, stable and reliable, and convenient for transportation.

Description

Technical Field

[0001] The present invention belongs to the technical field of railway transportation equipment, and particularly relates to a terraced drainage fastening device and its vehicle body packaging structure. Background Art

[0002] Railway container transportation, as the main mode of fast freight transportation, plays an important role in the construction of multimodal transport systems with cross-regional and large-capacity characteristics, and is widely adopted in inland and foreign trade transportation in various countries. The Australia / Pacific region is the only region in the world without local truck manufacturers and mainly relies on imports (mainly from China). The container flat cars exported from China to various countries in the world are mainly transported by a combination of land and sea transportation. Therefore, how to package safely, conveniently and at low cost is a major problem faced by all export enterprises.

[0003] The traditional railway container flat car body uses a string-type packaging method. By using connecting rods, backing plates and bolts, multiple layers of car bodies are locked and fixed. However, after the lower car body is fixed with an anti-slip rubber pad, a pressing plate and a nut below, the lower cavity of the rotary lock installation of the lower car body is closed, and it is extremely easy to accumulate water during rainy days or sea transportation, corroding the car body or allowing mosquitoes to lay eggs and hatch after arriving at the port, generating alien species and causing trade disputes. Summary of the Invention

[0004] The purpose of the present invention is to provide a terraced drainage fastening device and its vehicle body packaging structure, which solves the problem of water drainage in the existing string-type packaging of vehicle bodies.

[0005] The purpose of the present invention is achieved through the following technical solutions:

[0006] A terraced drainage fastening device includes a drainage fastening assembly. The drainage fastening assembly includes an upper backing plate, a middle pressing plate and a lower backing plate arranged layer by layer from top to bottom. The upper rod hole of the upper backing plate, the middle rod hole of the middle pressing plate and the lower rod hole of the lower backing plate are relatively arranged from top to bottom in sequence. The lower backing plate blocks the middle rod hole, and the middle rod hole is exposed on the surface of the middle pressing plate relative to the lower backing plate.

[0007] Further, the upper backing plate, the middle pressing plate and the lower backing plate are all square.

[0008] Further, the upper backing plate and the middle pressing plate have the same shape contour, and the shape contour of the lower backing plate is smaller than that of the middle pressing plate.

[0009] Further, the upper rod hole is a circular hole, the middle rod hole is an oblong hole, and the lower rod hole is a circular hole.

[0010] Further, the hole diameter of the upper rod hole is larger than the hole diameter of the middle rod hole, the hole diameter of the upper rod hole is equal to the side length of the middle rod hole, and the hole diameter of the middle rod hole is equal to the hole diameter of the lower rod hole.

[0011] Further, the central axes of the upper rod hole, the middle rod hole, and the lower rod hole coincide with each other.

[0012] Further, the upper backing plate is a non-slip rubber pad.

[0013] Further, the middle pressing plate is fixedly connected to the lower backing plate.

[0014] Further, the middle pressing plate and the lower backing plate are made of carbon steel.

[0015] A car body packaging structure includes the above-mentioned terraced drainage fastening device, and further includes at least two layers of car bodies arranged. Connecting rods are commonly inserted into the rotary lock holes at opposite positions on the car bodies. A pressing and fastening assembly and a nut are provided at the upper end of the connecting rod. The pressing and fastening assembly acts on the uppermost layer of the car body through the nut. A drainage fastening assembly and a nut are provided at the lower end of the connecting rod. The drainage fastening assembly acts on the lowermost layer of the car body through the nut.

[0016] Further, the car bodies are arranged in two or three layers.

[0017] Further, the car body is a flat car body of a railway. Rotary lock holes symmetrically arranged on both sides are provided at both ends of the car body.

[0018] Further, the pressing and fastening assembly includes an upper pressing plate and a lower backing plate.

[0019] Further, a car body backing plate is provided between the car bodies.

[0020] Further, the car body backing plate is a non-slip rubber pad.

[0021] Advantages of the present invention:

[0022] 1. By adopting the terraced drainage fastening device, the circular holes of the upper backing plate, the long circular holes of the middle pressing plate, and the circular holes of the lower backing plate form gradient water leakage holes for terraced drainage, avoiding the generation of accumulated water.

[0023] 2. In the tandem packaging, two or three layers of flat car bodies of railway containers are stacked. The connecting rods are inserted through the rotary lock mounting holes for clamping and fixing and packing. The packaging scheme is simple, stable and reliable, and convenient for transportation.

[0024] The main solution of the present invention and its various further alternative solutions can be freely combined to form multiple solutions, all of which are solutions that can be adopted and claimed by the present invention; and in the present invention, (each non-conflicting alternative) alternatives can be freely combined with each other and with other alternatives. Those skilled in the art can understand that there are various combinations according to the prior art and common general knowledge after understanding the solution of the present invention, all of which are technical solutions to be protected by the present invention and will not be enumerated here. Description of the Drawings

[0025] Figure 1 It is the front view of the structure of the drainage fastening assembly of the present invention.

[0026] Figure 2 It is the top view of the structure of the drainage fastening assembly of the present invention.

[0027] Figure 3 It is the axonometric view of the structure of the drainage fastening assembly of the present invention.

[0028] Figure 4 It is the schematic diagram of the fixation of the lowermost car body of the present invention Figure 1 .

[0029] Figure 5 It is the schematic diagram of the fixation of the lowermost car body of the present invention Figure 2 .

[0030] Figure 6 It is the front view of the structure of the string packaging of the present invention.

[0031] Figure 7 It is the side view of the structure of the string packaging of the present invention.

[0032] In the figure: 1 - car body, 2 - twist lock hole, 3 - connecting rod, 4 - pressing and fastening assembly, 5 - drainage fastening assembly, 6 - nut, 7 - car body backing plate; 51 - upper backing plate, 52 - upper rod hole, 53 - middle pressing plate, 54 - middle rod hole, 55 - lower backing plate, 56 - lower rod hole. Detailed implementation manners

[0033] The following non - restrictive embodiments are used to illustrate the present invention.

[0034] Embodiment 1

[0035] Referring to Figures 1 to 7 as shown, a terraced drainage fastening device includes a drainage fastening assembly 5, and the drainage fastening assembly 5 includes an upper backing plate 51, a middle pressing plate 53 and a lower backing plate 55 arranged layer by layer from top to bottom.

[0036] The upper backing plate 51, the middle pressing plate 53 and the lower backing plate 55 are all square, and the center lines of the three plates coincide with each other. The shape contours of the upper backing plate 51 and the middle pressing plate 53 are the same, the shape contour of the lower backing plate 55 is smaller than that of the middle pressing plate 53, and the square positions of the three plates are relative.

[0037] The upper backing plate 51 is a non-slip rubber pad, which ensures good frictional contact between the middle pressing plate 53 and the vehicle body. The middle pressing plate 53 and the lower backing plate 55 are made of carbon steel, preferably Q235B or a material with a strength above it. The middle pressing plate 53 is the main structure for pressing the upper backing plate 51, and the lower backing plate 55 is the structure that acts with the nut. The lower backing plate 55 and the middle pressing plate 53 form a terraced leakage hole. The upper backing plate 51 and the middle pressing plate 53 are relatively independent structures, and only when installed, the middle pressing plate 53 is pressed tightly on the vehicle body 1. The middle pressing plate 53 and the lower backing plate 55 are fixedly connected by welding, connecting the two plate bodies into one body for convenient installation operation.

[0038] The upper rod hole 52 of the upper backing plate 51, the middle rod hole 54 of the middle pressing plate 53, and the lower rod hole 56 of the lower backing plate 55 are relatively arranged in sequence from top to bottom. The upper rod hole 52 is a circular hole, the middle rod hole 54 is an oblong hole, and the lower rod hole 56 is a circular hole. The upper rod hole 52, the middle rod hole 54, and the lower rod hole 56 are mainly used for passing the connecting rod during installation and cooperate with each other to form a terraced leakage hole.

[0039] The hole diameter of the upper rod hole 52 is larger than the hole diameter of the middle rod hole 54. The hole diameter of the upper rod hole 52 is equal to the hole side length (the straight line length of one side) of the middle rod hole 54. The hole diameter of the middle rod hole 54 is equal to the hole diameter of the lower rod hole 56. This size realizes the terraced structure of the three rod holes. The hole center lines of the upper rod hole 52, the middle rod hole 54, and the lower rod hole 56 coincide with each other, ensuring the relative center of the positions of the three rod holes, and each of the three rod holes is located at the center of its plate body.

[0040] After installation, the water flowing into the upper rod hole 52 can flow into the middle rod hole 54. Since the lower backing plate 55 blocks the middle rod hole 54, the middle rod hole 54 is exposed on the surface of the middle pressing plate 53 relative to the lower backing plate 55, that is, the lower backing plate 55 cannot completely block the middle rod hole 54. Therefore, the middle rod hole 54 can drain water through the gaps at both ends to avoid water accumulation. According to the installation sequence, the circular hole of the non-slip rubber pad, the oblong hole of the rigid pressing plate, and the circular hole of the square pad form a gradient leakage hole for terraced drainage, avoiding water accumulation.

[0041] Embodiment 2

[0042] A vehicle body packaging structure includes the terraced drainage fastening device of Embodiment 1, and also includes at least two layers of arranged vehicle body 1, twist lock hole 2, connecting rod 3, pressing and fastening assembly 4, nut 6, and vehicle body backing plate 7.

[0043] The car body 1 is the car body of a railway flatcar. Rail container flatcar bodies are all provided with container twist-lock mounting holes. With the aid of the twist-lock holes 2, a tandem packaging scheme is adopted in this embodiment. Considering factors such as the load capacity of land transportation vehicles and the self-weight of the container flatcar body, the container flatcar body is generally stacked in two or three layers. A connecting rod is passed through the twist-lock mounting holes for clamping and fixing and packing. The packaging scheme is simple, stable and reliable, and convenient for transportation.

[0044] A connecting rod 3 is commonly passed through the relatively positioned twist-lock holes 2 on the car body 1. Threads for fastening are machined at both ends of the connecting rod 3 for firmly fixing the connection string. A pressing and fastening assembly 4 and a nut 6 are provided at the upper end of the connecting rod 3. Above the topmost car body, a backing plate (anti-slip rubber pad), a pressing plate (carbon steel), and a nut are used for firm fixing. The pressing and fastening assembly 4 acts on the topmost car body 1 through the nut 6.

[0045] A drainage and fastening assembly 5 and a nut 6 are provided at the lower end of the connecting rod 3. Similarly, a terraced drainage device formed by an upper backing plate (anti-slip rubber pad), a middle pressing plate (carbon steel), and a lower backing plate (carbon steel) and its nut fastening are adopted below the lower car body. The drainage and fastening assembly 5 acts on the lowermost car body 1 through the nut 6. The fastening assemblies clamp the car bodies from above and below, and a car body backing plate 7 (anti-slip rubber pad) is used between the car bodies for isolation protection and increasing friction to ensure that the tandem package is more stable.

[0046] For the tandem packaging, the connecting rod is used to pass through and stack the car bodies. For fixing the lowermost car body, a terraced drainage device is adopted in this embodiment, which not only ensures the reliability of the tandem packaging but also solves the problem of water accumulation.

[0047] The basic example of the present invention and its various further alternative examples can be freely combined to form multiple embodiments, all of which are embodiments that can be adopted and claimed by the present invention. In the solution of the present invention, any alternative example can be arbitrarily combined with any basic example and alternative example.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A terraced drainage fastening device, comprising a drainage fastening assembly (5), characterized in that: The described drainage fastening assembly (5) includes an upper backing plate (51), a middle pressing plate (53), and a lower backing plate (55) arranged layer by layer from top to bottom. The upper rod hole (52) of the upper backing plate (51), the middle rod hole (54) of the middle pressing plate (53), and the lower rod hole (56) of the lower backing plate (55) are relatively aligned from top to bottom. The lower backing plate (55) covers the middle rod hole (54), and the middle rod hole (54) is exposed on the surface of the middle pressing plate (53) relative to the lower backing plate (55).

2. The terraced drainage fastening device according to claim 1, characterized in that: The upper backing plate (51), the middle pressing plate (53), and the lower backing plate (55) are all square; the upper backing plate (51) and the middle pressing plate (53) have the same shape outline, and the shape outline of the lower backing plate (55) is smaller than that of the middle pressing plate (53).

3. The terraced drainage fastening device according to claim 1 or 2, characterized in that: The upper rod hole (52) is a circular hole, the middle rod hole (54) is an oblong hole, and the lower rod hole (56) is a circular hole.

4. The terraced drainage fastening device according to claim 3, characterized in that: The hole diameter of the upper rod hole (52) is larger than the hole diameter of the middle rod hole (54). The hole diameter of the upper rod hole (52) is equal to the side length of the middle rod hole (54). The hole diameter of the middle rod hole (54) is equal to the hole diameter of the lower rod hole (56).

5. The terraced drainage fastening device according to claim 3, characterized in that: The center lines of the holes of the upper rod hole (52), the middle rod hole (54), and the lower rod hole (56) coincide with each other.

6. The terraced drainage fastening device according to claim 1, wherein: The upper backing plate (51) is an anti-slip rubber pad; the middle pressing plate (53) is fixedly connected to the lower backing plate (55); the middle pressing plate (53) and the lower backing plate (55) are made of carbon steel.

7. A vehicle body packaging structure, comprising the terraced drainage fastening device according to any one of claims 1 to 6, and further comprising at least two layers of vehicle bodies (1) arranged, characterized in that: In the locking holes (2) at opposite positions on the vehicle body (1), a connecting rod (3) is commonly inserted. At the upper end of the connecting rod (3), there is a pressing fastening assembly (4) and a nut (6). The pressing fastening assembly (4) acts on the topmost vehicle body (1) through the nut (6). At the lower end of the connecting rod (3), there is a drainage fastening assembly (5) and a nut (6). The drainage fastening assembly (5) acts on the lowermost vehicle body (1) through the nut (6).

8. The vehicle body packaging structure according to claim 7, characterized in that: The vehicle body (1) is arranged in two or three layers; the vehicle body (1) is a flat car body of a railway vehicle, and locking holes (2) symmetrically arranged on both sides are provided at both ends of the vehicle body (1).

9. The body packaging structure according to claim 7 or 8, characterized in that: The described pressing fastening assembly (4) includes an upper pressing plate and a lower backing plate.

10. The vehicle body packaging structure according to claim 7 or 8, characterized in that: A vehicle body backing plate (7) is provided between the vehicle bodies (1); the vehicle body backing plate (7) is an anti-slip rubber pad.

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