A structure of an upper bracket of a trailer axle and a connecting structure with the axle

Abstract

A trailer axle upper support plate structure and its connection structure include an axle body, an upper support plate structure mounted on the top of the axle body, a lower support plate structure mounted on the bottom of the axle body, and a connecting plate between the upper and lower support plate structures. The connecting plate is welded between the upper and lower support plate structures. The upper support plate structure features a forward-extending protrusion at its top, increasing the contact area with the guide arm, effectively improving the overall strength of the suspension system and ensuring better stability during vehicle operation. A connecting slope is provided at the bottom of the upper support plate structure, and welding slopes are provided at both the upper and lower ends of the connecting plate. This improves weld strength during welding, and the overall connection strength and stability are significantly improved through the welding of the upper and lower support plates, the connecting plate, and the axle. A weight-reducing groove is provided at the top of the upper support plate structure, reducing the overall weight of the upper support plate structure and even the vehicle, thereby improving fuel economy and reducing operating costs.

Description

Technical Field

[0001] This utility model relates to the field of trailer axle connection technology, and in particular to an upper support plate structure for a trailer axle and its connection structure with the axle. Background Technology

[0002] In the suspension system of a trailer, the connection strength and stability between the axle and the upper pallet directly affect vehicle operating safety, while the overall weight of the vehicle significantly impacts fuel economy. In existing technologies, the welded structure between the upper pallet and the axle, as well as the connecting plate, suffers from insufficient weld strength. Furthermore, relying solely on the weld between the upper pallet and the axle results in poor overall connection strength and stability, making it prone to loosening or damage during long-term vehicle operation. In addition, traditional upper pallet structures do not consider weight reduction design, leading to a heavier vehicle weight and higher fuel consumption, which is detrimental to improving fuel economy.

[0003] Therefore, in view of the shortcomings of the existing technology, it is necessary to provide a trailer axle upper support plate structure and a connection structure with the axle to solve the shortcomings of the existing technology. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art by providing an upper support plate structure for a trailer axle and a connection structure with the axle. The upper support plate structure features a forward-extending protrusion at its top, increasing the length and area of ​​the contact zone with the guide arm, effectively improving the overall strength of the suspension system and ensuring better stability during vehicle operation. A connecting slope is provided at the bottom of the upper support plate structure, and welding slopes are provided at both the upper and lower ends of the connecting plate. This enhances the weld strength during welding. Furthermore, the welding of the upper and lower support plates, the connecting plate, and the axle significantly improves the overall connection strength and stability compared to the traditional method of only welding the upper support plate and the axle. A weight-reducing groove is provided at the top of the upper support plate structure, reducing the overall weight of the upper support plate structure and even the vehicle, thereby improving fuel economy and reducing operating costs.

[0005] The above-mentioned objectives of this utility model are achieved through the following technical means.

[0006] A trailer axle upper support plate structure and a connection structure to the axle are provided, including an axle body, an upper support plate structure mounted on the top of the axle body, a lower support plate structure mounted on the bottom of the axle body, and a connecting plate provided between the upper support plate structure and the lower support plate structure, the connecting plate being welded between the upper support plate structure and the lower support plate structure.

[0007] Specifically, the axle body has a hollow internal structure, and the four corners of the axle body are rounded.

[0008] Specifically, the top of the upper support plate structure is integrally formed with two sets of mounting protrusions, and a guide arm groove is formed between the two sets of mounting protrusions. Weight reduction grooves are opened at both ends of the top of the upper support plate structure, and a mounting groove is provided at the bottom of the upper support plate structure. The mounting groove fits into the axle body.

[0009] Specifically, the lower support plate structure and the upper support plate structure are installed parallel to each other at the upper and lower ends of the axle body, and the lower support plate structure and the upper support plate structure are both provided with connecting slopes at the connection points with the connecting plate.

[0010] Specifically, both the upper and lower ends of the connecting plate are provided with welding bevels, which are welded to the connecting bevels of the upper support plate structure and the lower support plate structure.

[0011] The upper support plate structure of this utility model features a protrusion extending forward from the top, increasing the length and area of ​​the contact zone with the guide arm, effectively improving the overall strength of the suspension system and ensuring better stability during vehicle operation. The bottom of the upper support plate structure is provided with a connecting slope, and welding slopes are provided at both the upper and lower ends of the connecting plate. This enhances the weld strength during welding. Furthermore, the welding of the upper and lower support plates, the connecting plate, and the axle significantly improves the overall connection strength and stability compared to the traditional method of welding only the upper support plate and the axle. A weight-reducing groove is provided at the top of the upper support plate structure, reducing the overall weight of the upper support plate structure and even the vehicle, thereby improving fuel economy and reducing operating costs. Attached Figure Description

[0012] The present invention will be further described with reference to the accompanying drawings, but the contents of the drawings do not constitute any limitation on the present invention.

[0013] Figure 1 This is a three-dimensional view of the overall structure of the upper support plate structure of a trailer axle and its connection structure with the axle according to the present invention.

[0014] Figure 2 This is a left view of the upper support plate structure of a trailer axle and its connection structure with the axle according to this utility model.

[0015] Figure 3 This is a front view of the upper support plate structure of a trailer axle and its connection structure with the axle according to the present invention.

[0016] Figure 4 This is a three-dimensional structural diagram of the upper support plate structure of a trailer axle and its connection structure with the axle, according to the present invention.

[0017] Figure 5 This is a side view of the upper support plate structure of a trailer axle and its connection structure with the axle, according to the present invention.

[0018] Figure 6This is a cross-sectional view of the connecting plate in the upper support plate structure of a trailer axle and the connection structure with the axle of this utility model.

[0019] from Figures 1 to 6 Including: 1. Axle body; 2. Upper support plate structure; 3. Lower support plate structure; 4. Connecting plate; 5. Rounded chamfer; 6. Mounting protrusion; 7. Guide arm groove; 8. Weight reduction groove; 9. Mounting groove; 10. Connecting slope; 11. Welding slope. Detailed Implementation

[0020] The present invention will be further described in conjunction with the following embodiments.

[0021] Example 1.

[0022] like Figure 1-6 As shown, a trailer axle upper support plate structure and its connection structure to the axle include an axle body 1, an upper support plate structure 2 mounted on the top of the axle body 1, a lower support plate structure 3 mounted on the bottom of the axle body 1, a connecting plate 4 disposed between the upper support plate structure 2 and the lower support plate structure 3, and the connecting plate 4 being welded between the upper support plate structure 2 and the lower support plate structure 3.

[0023] During assembly, the upper support plate structure 2 is first positioned by fitting it against the top of the axle body 1 through the mounting groove 9 at the bottom. Then, the lower support plate structure 3 is fitted against the bottom of the axle body 1 to ensure that the upper and lower support plate structures are parallel. Subsequently, the connecting plate 4 is placed between the upper support plate structure 2 and the lower support plate structure 3, so that the welding bevels 11 at the upper and lower ends of the connecting plate 4 are aligned with the connecting bevels 10 of the upper and lower support plate structures, respectively. Finally, the connecting plate 4 is fixed to the upper and lower support plate structures by welding to form a stable overall connection structure.

[0024] The axle body 1 has a hollow internal structure, and rounded chamfers 5 are provided at the four corners of the axle body 1. The hollow structure ensures the load-bearing strength of the axle body 1 while effectively reducing its own weight and reducing energy consumption when the trailer is in motion; the rounded chamfers 5 can eliminate the sharp edges of the four corners of the axle body 1, on the one hand, to prevent operators from being bumped and scratched during assembly, and on the other hand, to distribute the stress at the four corners and prevent cracks from appearing during long-term use.

[0025] The upper pallet structure 2 has two sets of mounting protrusions 6 integrally formed on the top, forming a guide arm groove 7 between the two sets of mounting protrusions 6. Weight reduction grooves 8 are provided at both ends of the upper pallet structure 2, and a mounting groove 9 is provided at the bottom of the upper pallet structure 2. The mounting groove 9 fits snugly with the axle body 1. The mounting protrusions 6 provide a precise mounting positioning reference for other related components of the trailer, eliminating the need for additional drilling or machining of positioning structures. The guide arm groove 7 can be used to install the guide arm, enabling quick assembly of the guide arm with the upper pallet structure 2 and improving production efficiency. The weight reduction groove 8 reduces the structural weight without affecting the strength of the upper pallet structure 2. The tight fit between the mounting groove 9 and the axle body 1 ensures that the upper pallet structure 2 will not experience lateral displacement after assembly, improving connection stability.

[0026] The lower support plate structure 3 and the upper support plate structure 2 are installed parallel to each other at the upper and lower ends of the axle body 1. The lower support plate structure 3 and the upper support plate structure 2 are both provided with connecting slopes 10 at the connection points with the connecting plate 4. The parallel layout of the upper and lower support plate structures can make the axle body 1 bear the force evenly when it is under load, and avoid deformation in local areas due to excessive force. The connecting slopes 10 increase the contact area with the connecting plate 4, so that the weld can better cover the connection part during welding, and improve the structural strength after welding.

[0027] The connecting plate 4 has welding bevels 11 at both the top and bottom. The welding bevels 11 are welded to the connecting bevels 10 of the upper support plate structure 2 and the lower support plate structure 3. The matching design of the welding bevels 11 and the connecting bevels 10 allows them to fit together to form a stable welding groove. During the welding process, the deposited metal can fully fill the groove, forming a uniform and full weld, which effectively enhances the connection strength between the connecting plate 4 and the upper and lower support plate structures and prevents the welded parts from loosening or cracking due to long-term driving bumps.

[0028] This utility model solves the problems of unstable connection and stress concentration between the traditional pallet and the axle through the coordinated design of the upper pallet structure 2, the lower pallet structure 3 and the connecting plate 4; the integrated functional design of the upper pallet structure 2 improves assembly efficiency, and the lightweight structure reduces energy consumption; the overall structure has high strength and good stability, which can meet the long-term high-intensity use requirements of trailers and reduce maintenance frequency and cost.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A trailer axle upper support plate structure and a connection structure with the axle, characterized in that: The axle body includes an upper support plate structure mounted on the top of the axle body and a lower support plate structure mounted on the bottom of the axle body. A connecting plate is provided between the upper support plate structure and the lower support plate structure, and the connecting plate is welded between the upper support plate structure and the lower support plate structure.

2. The upper support plate structure of a trailer axle and its connection structure with the axle according to claim 1, characterized in that: The axle body has a hollow internal structure, and the four corners of the axle body are provided with rounded chamfers.

3. The upper support plate structure of a trailer axle and its connection structure with the axle according to claim 2, characterized in that: The top of the upper support plate structure is integrally formed with two sets of mounting protrusions, and a guide arm groove is formed between the two sets of mounting protrusions. Weight reduction grooves are opened at both ends of the top of the upper support plate structure, and a mounting groove is provided at the bottom of the upper support plate structure. The mounting groove fits into the axle body.

4. The upper support plate structure of a trailer axle and its connection structure with the axle according to claim 3, characterized in that: The lower support plate structure and the upper support plate structure are parallel to each other at the upper and lower ends of the axle body, and the lower support plate structure and the upper support plate structure are both provided with connecting slopes at the connection points with the connecting plate.

5. The upper support plate structure of a trailer axle and its connection structure with the axle according to claim 4, characterized in that: Both ends of the connecting plate are provided with welding bevels, which are welded to the connecting bevels of the upper support plate structure and the lower support plate structure.

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