Cryogenic Liquid Transport Tanker Running Gear

Technical Field

The utility model relates to a tanker running gear, in particular to a cryogenic liquid transport tanker running gear, belonging to the technical field of cryogenic liquid transportation.

Background Technology

With the development of the national economy, tank transport vehicles used for logistics transportation continue to become a market focus. The continuous development of expressways has imposed higher requirements on tank vehicles, including higher safety performance and better shock absorption performance. Tank vehicles are developing toward lightweight and high-technology designs.

Existing cryogenic liquid transport tanker running gears are generally composed of two longitudinal beams, several cross beams, and other accessories. The main beams usually adopt Z-shaped steel beams, channel steel beams, I-shaped steel beams, and other forms. However, the biggest disadvantages of the above structures are their complex and heavy structure, numerous manufacturing procedures, and the fact that they are generally assembled by welding. After assembly, multiple weld seams exist, resulting in high internal stress and easy deformation. In addition, when a component of the tanker running gear is damaged, it cannot be replaced or repaired individually and the entire structure must be scrapped, leading to material waste.

Summary of the Utility Model

The purpose of the utility model is to provide a cryogenic liquid transport tanker running gear to solve the problems in the prior art, including complex and heavy structures, numerous manufacturing procedures, and the inability to replace or repair components.

To achieve the above purpose, the utility model provides the following technical solution:

The cryogenic liquid transport tanker running gear comprises a frame assembly. The frame assembly includes two longitudinal beams and several cross beams. A front sealing plate is welded between one ends of the two longitudinal beams, and a rear sealing plate is welded between the other ends of the two longitudinal beams. The plurality of cross beams are fixedly arranged between the two longitudinal beams through connection assemblies. Both the longitudinal beams and the cross beams are made of rectangular tubes, and two diagonal support plates are fixedly arranged inside each longitudinal beam and cross beam.

As a preferred technical solution of the utility model, three axles are movably mounted at the bottoms of the two longitudinal beams through three groups of air suspensions, and each group of air suspensions includes two air suspension units.

As a preferred technical solution of the utility model, a tail frame is fixedly connected to the bottom of one end of the two longitudinal beams.

As a preferred technical solution of the utility model, a plurality of openings are formed on the two longitudinal beams and the plurality of cross beams.

As a preferred technical solution of the utility model, the connection assemblies include several pairs of connecting square plates. The pairs of connecting square plates are integrally formed with both ends of the cross beams respectively. The connecting square plates are fixedly connected to the inner sides of the two longitudinal beams through several groups of long threaded rods, and locking nuts are threadedly mounted on the long threaded rods.

As a preferred technical solution of the utility model, each group includes four long threaded rods.

As a preferred technical solution of the utility model, right-angle reinforcing plates connected to the cross beams are welded around the inner sides of the connecting square plates.

Beneficial Effects

Compared with the prior art, the utility model has the following beneficial effects:

In the cryogenic liquid transport tanker running gear of the utility model, both the longitudinal beams and cross beams are made of rectangular tubes. Under the same material conditions, the same external cross-sectional dimensions, and the same loading conditions, rectangular tubes have higher torsional polar moment of inertia than H-shaped steel beams, while also reducing weight, achieving better lightweight performance, fewer manufacturing procedures, and lower construction difficulty.

At the same time, the diagonal support plates further improve the strength of the longitudinal beams and cross beams, thereby enhancing load-bearing capacity.

The plurality of cross beams are installed between the two longitudinal beams through the connection assemblies. Specifically, the connecting square plates are fixedly connected to the longitudinal beams through the cooperation of long threaded rods and locking nuts, facilitating the assembly and disassembly of the frame assembly. When a component of the tanker running gear is damaged and cannot continue to be used, it can be replaced and repaired individually, thereby saving materials. Furthermore, welding defects between the longitudinal beams and cross beams are eliminated, improving product quality.

Description of the Drawings

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a top view structural schematic diagram of the utility model;

Figure 3 is a side sectional structural schematic diagram of the utility model;

Figure 4 is an enlarged structural schematic diagram of portion A in Figure 3.

Reference numerals in the drawings:

Frame assembly

Longitudinal beam

Cross beam

Front sealing plate

Rear sealing plate

Diagonal support plate

Opening

Air suspension

Axle

Tail frame

Connection assembly

Connecting square plate

Long threaded rod

Locking nut

Right-angle reinforcing plate

Detailed Description

The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model rather than all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort fall within the protection scope of the utility model.

Referring to Figures 1–4, the utility model provides a cryogenic liquid transport tanker running gear comprising a frame assembly 1. The frame assembly 1 includes two longitudinal beams 11 and several cross beams 12. A front sealing plate 13 is welded between one ends of the two longitudinal beams 11, and a rear sealing plate 14 is welded between the other ends of the two longitudinal beams 11. The plurality of cross beams 12 are fixedly arranged between the two longitudinal beams 11 through the connection assemblies 5.

Both the longitudinal beams 11 and the cross beams 12 are made of rectangular tubes. Under the same material conditions, the same external cross-sectional dimensions, and the same loading conditions, rectangular tubes have higher torsional polar moment of inertia than H-shaped steel beams, while also reducing weight, achieving better lightweight performance, fewer manufacturing procedures, and lower construction difficulty. In addition, two diagonal support plates 15 are fixedly arranged inside each longitudinal beam 11 and cross beam 12.

Preferably, three axles 3 are movably mounted at the bottoms of the two longitudinal beams 11 through three groups of air suspensions 2, with each group including two air suspension units 2. Rectangular tube steel has high rigidity, and its load-bearing capacity is 0.25 times greater than that of H-shaped steel, making it suitable for use with flexible structures such as air suspensions 2 to form complementary advantages.

Preferably, a tail frame 4 is fixedly connected to the bottom of one end of the two longitudinal beams 11 to ensure the integrity of the running gear.

Preferably, a plurality of openings 16 are formed on the two longitudinal beams 11 and the plurality of cross beams 12. The openings 16 further reduce the weight of the frame assembly 1, achieving better lightweight performance.

The connection assembly 5 includes several pairs of connecting square plates 51. The connecting square plates 51 are integrally formed with both ends of the cross beams 12. The connecting square plates 51 are fixedly connected to the inner sides of the longitudinal beams 11 through several groups of long threaded rods 52, and locking nuts 53 are threadedly mounted on the long threaded rods 52. Through the cooperation of the long threaded rods 52 and locking nuts 53, the connecting square plates 51 are fixedly connected to the longitudinal beams 11, facilitating assembly and disassembly. When a component of the tanker running gear becomes damaged and unusable, it can be replaced and repaired individually, thereby saving materials.

Preferably, each group includes four long threaded rods 52, which better fit the four corners of the connecting square plates 51 and distribute force more evenly.

Preferably, right-angle reinforcing plates 54 connected to the cross beams 12 are welded around the inner sides of the connecting square plates 51, thereby further improving the connection strength and stability between the connecting square plates 51 and the cross beams 12.

During specific use of the utility model, the plurality of cross beams 12 are first fixedly mounted between the two longitudinal beams 11 through the connection assemblies 5, namely by fixing the connecting square plates 51 to the longitudinal beams 11 through the cooperation of the long threaded rods 52 and locking nuts 53.

During use, both the longitudinal beams 11 and the cross beams 12 are made of rectangular tubes. Under the same material conditions, the same external cross-sectional dimensions, and the same loading conditions, rectangular tubes have higher torsional polar moment of inertia than H-shaped steel beams while also reducing weight, achieving better lightweight performance, fewer manufacturing procedures, and lower construction difficulty.

At the same time, the diagonal support plates 15 divide the interiors of the longitudinal beams 11 and cross beams 12 into three triangular regions, thereby further improving their structural strength and enhancing the load-bearing capacity of the frame assembly 1.

When a certain component is damaged, the corresponding locking nuts 53 can be removed to facilitate the disassembly of the frame assembly 1, enabling the rapid separation of the longitudinal beams 11 and cross beams 12. This allows damaged components of the tanker running gear to be replaced and repaired individually, saving materials. In addition, welding defects between the longitudinal beams 11 and cross beams 12 are eliminated, improving product quality and making the structure more practical.

Although embodiments of the utility model have been illustrated and described, those skilled in the art can understand that various changes, modifications, substitutions, and variations may be made without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.