A trailer riveted longitudinal beam

Abstract

The utility model provides a kind of trailer riveting type longitudinal beam, belong to trailer technical field;Trailer riveting type longitudinal beam includes: first connecting beam, second connecting beam, third connecting beam, first support muscle, second support muscle and third support muscle;By making first connecting beam, second connecting beam and third connecting beam present ladder shape, and make first connecting beam, second connecting beam and third connecting beam can be once processing forming, to realize the component that first connecting beam, second connecting beam and third connecting beam are composed of can be as the support in semitrailer goods table, to realize to make semitrailer goods table also form ladder type, to reduce the height of goods table, to increase the loading capacity of goods table in turn, to improve the use experience of product.By making first support muscle and second support muscle can connect first connecting beam, second connecting beam and third connecting beam together, further improve the overall strength of first connecting beam, second connecting beam and third connecting beam.

Description

Technical Field

[0001] This utility model belongs to the field of trailer technology, specifically relating to a riveted longitudinal beam for trailers. Background Technology

[0002] In related technologies, the cargo platform of a semi-trailer is used to load goods, thereby realizing the transportation of goods. The cargo platform of a semi-trailer is composed of components such as side beams, longitudinal beams, and cross beams. The four side beams are connected end to end to form a frame, and the longitudinal beams are installed within the frame formed by the side beams so that the longitudinal beams can bear the load of the goods.

[0003] Existing technology (authorization announcement number: CN210454952U) discloses a lightweight cold-formed riveted assembly longitudinal beam for semi-trailers, including a front part and a rear part of the longitudinal beam. One end of the front part of the longitudinal beam is riveted to one end of the rear part of the longitudinal beam. A connecting reinforcement is provided at the connection point between the front and rear ends of the longitudinal beam. The connecting reinforcement is fixed to the front and rear parts of the longitudinal beam by riveting bolts. The front part of the longitudinal beam includes an upper flange, a lower flange, and a web. The upper flange is welded to the top of the web, and the lower flange is welded to the bottom of the web. The rear part of the longitudinal beam has a Z-shaped vertical cross-section. Several riveting bolt holes are provided on the surfaces of the front and rear parts of the longitudinal beam. This utility model is applicable to semi-trailer longitudinal beams, providing strong consistency assurance, simple and quick operation, improved work efficiency, reduced labor costs, increased product output, and increased economic benefits.

[0004] In this prior art, since the top of the longitudinal beam is a plane, it is impossible to reduce the height of the platform formed by the longitudinal beam, thereby reducing the loading beam of the platform and thus reducing the user experience of the product. Utility Model Content

[0005] To address the problem in existing technologies where the top of the longitudinal beams is flat, preventing a reduction in the height of the loading platform and thus reducing the loading capacity and user experience, this invention provides a trailer riveted longitudinal beam. This beam features a stepped design for the first, second, and third connecting beams, which are formed in a single process. This allows the components of the first, second, and third connecting beams to serve as supports within the semi-trailer's loading platform, creating a stepped loading platform that reduces its height and increases its loading capacity, thereby improving the user experience. The specific technical solution is as follows: A trailer riveted longitudinal beam includes: a first connecting beam, a second connecting beam, a third connecting beam, a first support rib, a second support rib, and a third support rib; the first connecting beam is horizontally arranged; the second connecting beam is inclined, with one end of the second connecting beam connected to one end of the first connecting beam; the third connecting beam is horizontally arranged, with one end connected to the other end of the second connecting beam, and the third connecting beam is located below the first connecting beam; the first support rib is Z-shaped, and the top of the first support rib is connected to both the bottom of the first connecting beam and the bottom of the third connecting beam near the end of the second connecting beam. Furthermore, there is a gap between the first supporting rib and the second connecting beam; the second supporting rib is installed on top of the first supporting rib, one end of the second supporting rib is connected to the end of the first connecting beam near the second connecting beam, and the other end of the second supporting rib is connected to the end of the third connecting beam near the second connecting beam, and the second supporting rib is connected to the second connecting beam; the third supporting rib is triangular, the cross-section of the third supporting rib is L-shaped, the third supporting rib is connected to the second connecting beam, and the top of the third supporting rib is at the same height as the top of the first connecting beam; wherein, the first connecting beam, the second connecting beam and the third connecting beam are an integral structure.

[0006] In addition, the trailer riveted longitudinal beam in the above-mentioned technical solution provided by this utility model may also have the following additional technical features: In the above technical solution, the trailer riveted longitudinal beam also includes: a sealing plate; the sealing plate is connected to one end of the third support bar near the third connecting beam, and the sealing plate is located above the third connecting beam; wherein, the sealing plate and the third support bar are an integral structure.

[0007] In the above technical solution, the trailer riveted longitudinal beam further includes: a first reinforcing rib; the first reinforcing rib has an L-shaped cross section and is connected to both the first connecting beam and the third supporting rib; wherein the top of the first reinforcing rib is at the same height as the top of the first connecting beam and the top of the third supporting rib.

[0008] In the above technical solution, the trailer riveted longitudinal beam also includes: a second reinforcing rib and a connector; the second reinforcing rib has an L-shaped cross-section and is connected to the side wall of the third connecting beam; the two ends of the connector are respectively connected to the second reinforcing rib and the second supporting rib.

[0009] In the above technical solution, the trailer riveted longitudinal beam also includes: a third reinforcing rib; the cross-section of the third reinforcing rib is L-shaped, and the third reinforcing rib is connected to both the third supporting rib and the third connecting beam.

[0010] In the above technical solution, the trailer riveted longitudinal beam also includes: a fourth reinforcing rib; the cross-section of the fourth reinforcing rib is L-shaped, and the fourth reinforcing rib is connected to the side wall of the third connecting beam away from the second reinforcing rib.

[0011] In the above technical solution, the trailer riveted longitudinal beam also includes: a fifth reinforcing rib; the cross-section of the fifth reinforcing rib is L-shaped, and the fifth reinforcing rib is connected to the side wall of both the fourth reinforcing rib and the third connecting beam.

[0012] In the above technical solution, the trailer riveted longitudinal beam also includes: weight reduction holes; the weight reduction holes are teardrop-shaped, and multiple weight reduction holes are set in the third connecting beam; wherein, the multiple weight reduction holes are arranged alternately vertically.

[0013] In the above technical solution, the trailer riveted longitudinal beam further includes: a connecting frame, a first connecting plate and a second connecting plate; the connecting frame is L-shaped, and both connecting frames are connected to the second connecting beam at the same time, with a gap between the two connecting frames; the first connecting plate is connected to the second connecting beam, and the first connecting plate is also connected to the top of the two connecting frames at the same time; both ends of the second connecting plate are connected to the two connecting frames respectively, and the second connecting plate is connected to the second connecting beam.

[0014] The advantages of this utility model for a trailer riveted longitudinal beam compared to existing technologies are as follows: 1. By making the first, second, and third connecting beams stepped, and by forming them in a single process, the components composed of these beams can serve as supports within the semi-trailer's cargo platform. This creates a stepped cargo platform, reducing its height and increasing its loading capacity, thus improving the user experience. Furthermore, by creating a T-shaped structure between the second and first supporting ribs, connecting them simultaneously to the first, second, and third connecting beams, and vice versa, the first and second supporting ribs can effectively connect the first, second, and third connecting beams together, further enhancing their overall strength.

[0015] 2. By connecting the sealing plate to the end of the third support rib near the third connecting beam and positioning the sealing plate on the third connecting beam, the sealing plate can be placed on the third connecting beam to seal the goods, and the contact area between the third support rib and the goods is increased, thereby preventing the third support rib from damaging the goods and improving the user experience of the product.

[0016] 3. By connecting the first reinforcing rib to both the first connecting beam and the third supporting rib, the first reinforcing rib connects the first connecting beam and the third supporting rib together, thereby enabling the first connecting beam, the third supporting rib, and the first reinforcing rib to work together to support the goods, thus improving the overall strength of the product.

[0017] 4. By connecting the L-shaped second reinforcing rib to the side wall of the third connecting beam, the second reinforcing rib and the third connecting beam are connected together, thereby enabling the second reinforcing rib and the third connecting beam to work together to support the goods and further improve the overall strength of the product.

[0018] 5. By connecting the L-shaped third reinforcing rib to both the third supporting rib and the third connecting beam, the third reinforcing rib connects the third supporting rib and the third connecting beam together, thereby forming an integrated structure of the third reinforcing rib, the third supporting member, and the third connecting beam, further enhancing the overall strength of the product.

[0019] 6. By connecting the fourth reinforcing rib to the side wall of the third connecting beam away from the second reinforcing rib, the fourth reinforcing rib and the third connecting beam work together to support the goods, thereby preventing the third connecting beam from deforming when bearing the goods and further improving the overall strength of the product.

[0020] 7. By connecting the L-shaped fifth reinforcing rib to both the fourth reinforcing rib and the side wall of the third connecting beam, the fifth reinforcing rib supports the third connecting beam, thereby preventing the third connecting beam from deforming when carrying goods and improving the overall strength of the product.

[0021] 8. By setting multiple teardrop-shaped weight-reducing holes inside the third connecting beam, the weight of the third connecting beam is reduced, making it easier for workers to handle and improving the user experience of the product.

[0022] 9. By simultaneously connecting two connecting brackets to the second connecting beam with a gap between them, the second connecting beam can be bolted to the remaining components via the two connecting brackets. Compared to welding, this reduces the difficulty of connection and allows for the removal of the remaining components from the second connecting beam, facilitating product handling and improving the user experience. Attached Figure Description

[0023] Figure 1 This is one of the perspective views of a trailer riveting longitudinal beam according to the present utility model; Figure 2 for Figure 1 A magnified view of part A; Figure 3 This is a second perspective view of a trailer riveting longitudinal beam according to the present utility model; Figure 4 for Figure 3 A magnified view of section B; in, Figures 1 to 4 The correspondence between the reference numerals and component names in the attached drawings is as follows: 10 First connecting beam, 11 Second connecting beam, 12 Third connecting beam, 13 First supporting rib, 14 Second supporting rib, 15 Third supporting rib, 16 Sealing plate, 17 First reinforcing rib, 18 Second reinforcing rib, 19 Connector, 20 Third reinforcing rib, 21 Fourth reinforcing rib, 22 Weight reduction hole, 23 Connecting frame, 24 First connecting plate, 25 Second connecting plate, 26 Fifth reinforcing rib. Detailed Implementation

[0024] The following are specific implementation cases and appendices. Figures 1 to 4 The present invention will be further described below, but the present invention is not limited to these embodiments.

[0025] A type of riveted longitudinal beam for trailers, such as Figures 1 to 4 As shown, the trailer riveted longitudinal beam includes: a first connecting beam 10, a second connecting beam 11, a third connecting beam 12, a first supporting rib 13, a second supporting rib 14, and a third supporting rib 15; the first connecting beam 10 is horizontally arranged; the second connecting beam 11 is inclined, with one end of the second connecting beam 11 connected to one end of the first connecting beam 10; the third connecting beam 12 is horizontally arranged, with one end of the third connecting beam 12 connected to the other end of the second connecting beam 11, and the third connecting beam 12 is located below the first connecting beam 10; the first supporting rib 13 is Z-shaped, with the top of the first supporting rib 13 connected to both the bottom of the first connecting beam 10 and the bottom of the third connecting beam 12 near the end of the second connecting beam 11, and the first supporting rib 15... There is a gap between the support rib 13 and the second connecting beam 11; the second support rib 14 is installed on top of the first support rib 13, one end of the second support rib 14 is connected to the end of the first connecting beam 10 near the second connecting beam 11, and the other end of the second support rib 14 is connected to the end of the third connecting beam 12 near the second connecting beam 11, and the second support rib 14 is connected to the second connecting beam 11; the third support rib 15 is triangular, the cross-section of the third support rib 15 is L-shaped, the third support rib 15 is connected to the second connecting beam 11, and the top of the third support rib 15 is at the same height as the top of the first connecting beam 10; wherein, the first connecting beam 10, the second connecting beam 11 and the third connecting beam 12 are an integral structure.

[0026] By tilting the second connecting beam 11 and connecting its two ends to the first connecting beam 10 and the third connecting beam 12 respectively, the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12 are connected together. This allows the third connecting beam 12 to be positioned below the first connecting beam 10, creating a stepped structure. This reduces the height of the trailer loading platform when the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12 serve as supporting components, thereby increasing the loading space and improving the user experience. Furthermore, by making the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12 an integral structure, they can be formed in one piece, thus enhancing the connection strength between them. By connecting the top of the Z-shaped first supporting rib 13 to the bottom of both the first connecting beam 10 and the third connecting beam 12, the first supporting rib 13 connects the first connecting beam 10 and the third connecting beam 12 together, thereby improving the overall strength of the first connecting beam 10 and the third connecting beam 12. By installing the second supporting rib 14 on top of the first supporting rib 13, the second supporting rib 14 and the first supporting rib 13 can form a T-shaped structure. At the same time, the second supporting rib 14 is connected to the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12, thereby connecting the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12 together, further improving the overall strength of the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12. By connecting the triangular third support rib 15 to the second connecting beam 11 and making the top of the third support rib 15 at the same height as the first connecting beam 10, the second connecting beam 11 supports the third support rib 15, thereby enabling the third support rib 15 to enclose the space between the second connecting beam 11 and the first connecting beam 10, so as to ensure that the first connecting beam 10, the second connecting beam 11 and the third connecting beam 12 can form a stepped structure.

[0027] By adopting the above structure, the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12 are made in a stepped shape, and these beams can be formed in one piece. This allows the components composed of the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12 to serve as supports within the semi-trailer's cargo platform, thus creating a stepped cargo platform. This reduces the platform's height, increases its loading capacity, and improves the user experience. Furthermore, by forming a T-shaped structure between the second supporting rib 14 and the first supporting rib 13, the second supporting rib 14 is simultaneously connected to the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12, and the first supporting rib 13 is simultaneously connected to both the first connecting beam 10 and the third connecting beam 12. This allows the first supporting rib 13 and the second supporting rib 14 to connect the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12 together, further enhancing the overall strength of the first connecting beam 10, the second connecting beam 11, and the third connecting beam 12.

[0028] In embodiments of this utility model, such as Figures 1 to 4 As shown, the trailer riveted longitudinal beam also includes: a sealing plate 16; the sealing plate 16 is connected to one end of the third support rib 15 near the third connecting beam 12, and the sealing plate 16 is located above the third connecting beam 12; wherein, the sealing plate 16 and the third support rib 15 are an integral structure.

[0029] By connecting the sealing plate 16 to the end of the third support rib 15 near the third connecting beam 12, and positioning the sealing plate 16 on the third connecting beam 12, the sealing plate 16 can be used to seal goods placed on the third connecting beam 12, increasing the contact area between the third support rib 15 and the goods, thereby preventing the third support rib 15 from damaging the goods and improving the user experience. By making the sealing plate 16 and the third support rib 15 an integral structure, the sealing plate 16 and the third support rib 15 can be formed in one process, reducing the processing difficulty of the sealing plate 16 and the third support rib 15 and improving their overall strength.

[0030] In embodiments of this utility model, such as Figures 1 to 4 As shown, the trailer riveted longitudinal beam also includes: a first reinforcing rib 17; the first reinforcing rib 17 has an L-shaped cross section, and the first reinforcing rib 17 is connected to both the first connecting beam 10 and the third supporting rib 15; wherein, the top of the first reinforcing rib 17 is at the same height as the top of the first connecting beam 10 and the top of the third supporting rib 15.

[0031] By connecting the first reinforcing rib 17 to both the first connecting beam 10 and the third supporting rib 15, the first reinforcing rib 17 connects the first connecting beam 10 and the third supporting rib 15 together, thereby enabling the first connecting beam 10, the third supporting rib 15 and the first reinforcing rib 17 to work together to support the goods, thus improving the overall strength of the product.

[0032] In embodiments of this utility model, such as Figures 1 to 4 As shown, the trailer riveted longitudinal beam also includes: a second reinforcing rib 18 and a connector 19; the second reinforcing rib 18 has an L-shaped cross section and is connected to the side wall of the third connecting beam 12; the two ends of the connector 19 are respectively connected to the second reinforcing rib 18 and the second supporting rib 14.

[0033] By connecting the L-shaped second reinforcing rib 18 to the side wall of the third connecting beam 12, the second reinforcing rib 18 and the third connecting beam 12 are connected together, thereby enabling the second reinforcing rib 18 and the third connecting beam 12 to cooperate in supporting the goods and further improving the overall strength of the product; by connecting both ends of the connector 19 to the second reinforcing rib 18 and the second supporting rib 14 respectively, the connector 19 connects the second reinforcing rib 18 and the second supporting rib 14 together, thereby enabling the second reinforcing rib 18, the second supporting rib 14 and the connector 19 to form a whole, further improving the overall strength of the product.

[0034] In embodiments of this utility model, such as Figures 1 to 4 As shown, the trailer riveted longitudinal beam also includes: a third reinforcing rib 20; the cross-section of the third reinforcing rib 20 is L-shaped, and the third reinforcing rib 20 is connected to both the third supporting rib 15 and the third connecting beam 12.

[0035] By connecting the L-shaped third reinforcing rib 20 to both the third supporting rib 15 and the third connecting beam 12, the third reinforcing rib 20 connects the third supporting rib 15 and the third connecting beam 12 together, thereby forming an integrated structure of the third reinforcing rib 20, the third supporting member and the third connecting beam 12, further improving the overall strength of the product.

[0036] In embodiments of this utility model, such as Figures 1 to 4 As shown, the trailer riveted longitudinal beam also includes: a fourth reinforcing rib 21; the cross-section of the fourth reinforcing rib 21 is L-shaped, and the fourth reinforcing rib 21 is connected to the side wall of the third connecting beam 12 away from the second reinforcing rib 18.

[0037] By connecting the fourth reinforcing rib 21 to the side wall of the third connecting beam 12 away from the second reinforcing rib 18, the fourth reinforcing rib 21 and the third connecting beam 12 work together to support the goods, thereby preventing the third connecting beam 12 from deforming when carrying the goods and further improving the overall strength of the product.

[0038] In embodiments of this utility model, such as Figures 1 to 4 As shown, the trailer riveted longitudinal beam also includes: a fifth reinforcing rib 26; the cross-section of the fifth reinforcing rib 26 is L-shaped, and the fifth reinforcing rib 26 is connected to the side wall of the fourth reinforcing rib 21 and the third connecting beam 12.

[0039] By connecting the L-shaped fifth reinforcing rib 26 to both the fourth reinforcing rib 21 and the side wall of the third connecting beam 12, the fifth reinforcing rib 26 supports the third connecting beam 12, thereby preventing the third connecting beam 12 from deforming when carrying goods and improving the overall strength of the product.

[0040] Specifically, the fifth reinforcing rib 26 is installed at the location where the cross-section of the third connecting beam 12 changes, in order to avoid stress concentration at this location, thereby preventing deformation of the third connecting beam 12 and further improving the overall strength of the product.

[0041] In embodiments of this utility model, such as Figures 1 to 4 As shown, the trailer riveted longitudinal beam also includes: weight reduction holes 22; the weight reduction holes 22 are teardrop-shaped, and multiple weight reduction holes 22 are arranged in the third connecting beam 12; wherein, the multiple weight reduction holes 22 are arranged alternately vertically.

[0042] By setting multiple teardrop-shaped weight-reducing holes 22 inside the third connecting beam 12, the weight of the third connecting beam 12 is reduced, making it easier for staff to handle the third connecting beam 12 and improving the user experience of the product. By arranging the multiple weight-reducing holes 22 in an alternating manner, the center of gravity of the third connecting beam 12 is prevented from shifting, thereby preventing the third connecting beam 12 from deforming when bearing load, further improving the user experience of the product.

[0043] In embodiments of this utility model, such as Figures 1 to 4 As shown, the trailer riveted longitudinal beam also includes: a connecting frame 23, a first connecting plate 24, and a second connecting plate 25; the connecting frame 23 is L-shaped, and both connecting frames 23 are simultaneously connected to the second connecting beam 11, with a gap between the two connecting frames 23; the first connecting plate 24 is connected to the second connecting beam 11, and the first connecting plate 24 is simultaneously connected to the top of both connecting frames 23; both ends of the second connecting plate 25 are respectively connected to the two connecting frames 23, and the second connecting plate 25 is connected to the second connecting beam 11.

[0044] By connecting two connecting brackets 23 to the second connecting beam 11 simultaneously and leaving a gap between the two connecting brackets 23, the second connecting beam 11 can be bolted to the other components through the two connecting brackets 23. Compared to connecting the second connecting beam 11 to the other components by welding, this reduces the connection difficulty. At the same time, the other components can be disassembled from the second connecting beam 11, which facilitates the handling of the product and improves the user experience. By connecting the first connecting plate 24 to the second connecting beam 11 and simultaneously connecting the first connecting plate 24 to the top of the two connecting frames 23, the first connecting plate 24 connects the two connecting frames 23 together and fixes the two connecting frames 23 to the second connecting beam 11, thereby improving the connection strength between the two connecting frames 23 and the second connecting beam 11 and further enhancing the overall strength of the product. Similarly, by connecting both ends of the second connecting plate 25 to the two connecting frames 23 and connecting the second connecting plate 25 to the second connecting beam 11, the second connecting plate 25 connects the two connecting frames 23 together and simultaneously fixes the two connecting frames 23 to the second connecting beam 11, thereby improving the connection strength between the two connecting frames 23 and the second connecting beam 11 and further enhancing the overall strength of the product.

[0045] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0046] In the description of this utility model, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this utility model, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A trailer riveted longitudinal beam, characterized in that, The trailer riveted longitudinal beam includes: The first connecting beam is horizontally arranged. The second connecting beam is inclined and one end of the second connecting beam is connected to one end of the first connecting beam; A third connecting beam is provided, wherein the third connecting beam is horizontally arranged, one end of the third connecting beam is connected to the other end of the second connecting beam, and the third connecting beam is located below the first connecting beam; The first supporting rib is Z-shaped, and its top is connected to both the bottom of the first connecting beam and the bottom of the third connecting beam near the end of the second connecting beam. There is a gap between the first supporting rib and the second connecting beam. The second support rib is installed on top of the first support rib. One end of the second support rib is connected to the end of the first connecting beam near the second connecting beam, and the other end of the second support rib is connected to the end of the third connecting beam near the second connecting beam. The second support rib is also connected to the second connecting beam. The third supporting rib is triangular in shape and has an L-shaped cross-section. The third supporting rib is connected to the second connecting beam, and the top of the third supporting rib is at the same height as the top of the first connecting beam. The first connecting beam, the second connecting beam, and the third connecting beam are an integral structure.

2. The trailer riveted longitudinal beam according to claim 1, characterized in that, The trailer riveted longitudinal beam also includes: A sealing plate is connected to one end of the third supporting rib near the third connecting beam, and the sealing plate is located above the third connecting beam; The sealing plate and the third supporting rib are an integral structure.

3. A trailer riveted longitudinal beam according to claim 2, characterized in that, The trailer riveted longitudinal beam also includes: The first reinforcing rib has an L-shaped cross-section and is connected to both the first connecting beam and the third supporting rib. The top of the first reinforcing rib is at the same height as the top of the first connecting beam and the top of the third supporting rib.

4. A trailer riveted longitudinal beam according to claim 1, characterized in that, The trailer riveted longitudinal beam also includes: The second reinforcing rib has an L-shaped cross-section and is connected to the side wall of the third connecting beam. A connector, the two ends of which are respectively connected to the second reinforcing rib and the second supporting rib.

5. A trailer riveted longitudinal beam according to claim 4, characterized in that, The trailer riveted longitudinal beam also includes: The third reinforcing rib has an L-shaped cross-section and is connected to both the third supporting rib and the third connecting beam.

6. A trailer riveted longitudinal beam according to claim 5, characterized in that, The riveted longitudinal beam of the trailer also includes: The fourth reinforcing rib has an L-shaped cross-section and is connected to the side wall of the third connecting beam away from the second reinforcing rib.

7. A trailer riveted longitudinal beam according to claim 6, characterized in that, The trailer riveted longitudinal beam also includes: The fifth reinforcing rib has an L-shaped cross-section and is connected to both the fourth reinforcing rib and the side wall of the third connecting beam.

8. A trailer riveted longitudinal beam according to claim 1, characterized in that, The trailer riveted longitudinal beam also includes: Weight reduction holes, which are teardrop-shaped, are provided in the third connecting beam; The weight-reducing holes are arranged alternately, one above the other.

9. A trailer riveted longitudinal beam according to claim 8, characterized in that, The trailer riveted longitudinal beam also includes: The connecting frame is L-shaped, and two connecting frames are simultaneously connected to the second connecting beam, with a gap between the two connecting frames; A first connecting plate is connected to the second connecting beam, and the first connecting plate is also connected to the top of both connecting frames; The second connecting plate has its two ends connected to the two connecting frames respectively, and the second connecting plate is connected to the second connecting beam.

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