Trailer suspension for enhancing safety

Abstract

The utility model relates to the technical field of automobile accessories, and discloses a trailer suspension with enhanced safety, which comprises an axle shell, two brake discs and two hubs, the two hubs are respectively arranged at two ends of the axle shell, the two brake discs are respectively sleeved on the outer sides of the two hubs, and the two brake discs are respectively sleeved on the outer sides of the two hubs. Spring steel is arranged at the positions, close to the two sides, of the center of the upper end face of the axle shell, reinforcing cross beams are arranged at the upper ends of the two spring steel, air bags are arranged at the positions, close to the two sides, of the upper end faces of the reinforcing cross beams, and sleeve rods are arranged at the positions, close to the lower portions, of the two ends of the front and rear side walls of the reinforcing cross beams. Connecting structures are arranged on the outer sides of the two sleeve rods close to one side and the outer sides of the two sleeve rods close to the other side. According to the utility model, the reinforcing cross beam is additionally arranged at the upper ends of the two spring steels at the upper end of the axle shell, and the reinforcing cross beam, the two spring steels and the axle shell are connected through the four loop bars and are fixed through the connecting structure, so that the overall strength is improved, and the bearing capacity can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a trailer suspension with enhanced safety. Background Art

[0002] Trailer suspension refers to an important component mounted on the trailer chassis for supporting and connecting the wheels. Its function is similar to the suspension system of a car. Trailer suspension is mainly used to support the weight of the vehicle, reduce shock and maintain vehicle stability, while allowing the wheels to move relatively independently to adapt to changes in different road surfaces.

[0003] During the use of the existing trailer suspension, the cargo carried by the semi-trailer is heavy, which causes great damage to the suspension and reduces the mechanical properties of the dump semi-trailer frame. Therefore, those skilled in the art have provided a trailer suspension with enhanced safety to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a trailer suspension with enhanced safety, by adding a reinforcing beam at the upper ends of two spring steels at the upper ends of the axle shell, and then connecting the reinforcing beam, the two spring steels and the axle shell through four sleeve rods, and fixing them through a base plate and a limit ring, so as to improve the overall strength and greatly improve the bearing capacity.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a trailer suspension with enhanced safety, comprising an axle housing, two brake discs and two wheel hubs, the two wheel hubs are respectively arranged at the two ends of the axle housing, the two brake discs are respectively sleeved on the outsides of the two wheel hubs, spring steel is arranged at both sides of the center of the upper end surface of the axle housing, reinforcing cross beams are arranged at the upper ends of the two spring steels, air bags are arranged at both sides of the upper end surface of the reinforcing cross beams, sleeve rods are arranged at the lower ends of the two ends of the front and rear side walls of the reinforcing cross beam, and connecting structures are arranged on the outsides of the two sleeve rods on one side and the two sleeve rods on the other side;

[0006] Through the above technical solution, the four sleeve rods are fixed to the upper end of the axle housing through the connecting structure, which is convenient for connection. The overall strength is improved by strengthening the cross beam, which can greatly improve the bearing capacity.

[0007] Further, the connection structure includes two substrates, four protrusions and four mounting holes, the two substrates are arranged front and back, the four protrusions are respectively arranged at both sides of the front end surface of the substrate at the front and at both sides of the rear end surface of the substrate at the rear, the four mounting holes are respectively arranged at the center of the upper end surfaces of the four protrusions, the four mounting holes are respectively sleeved at the two ends of the two sleeve rods at one side, and the two substrates are arranged between the spring steel and the axle housing;

[0008] Through the above technical solution, it is convenient to connect the two sleeve rods on one side through the two base plates, and then connect them by sleeve-mounting the sleeve rods on the spring steel, which facilitates the connection operation.

[0009] Furthermore, the ends of the four sleeve rods at the lower end of the axle housing are each provided with a limiting ring, and the eight limiting rings are respectively fixedly connected to the ends of the four sleeve rods by limiting screws;

[0010] The above technical solution facilitates the limiting and fixing of the four sleeve rods.

[0011] Furthermore, the shapes of the four sleeve rods are all U-shaped rods;

[0012] Through the above technical solution, it is convenient to clamp the two spring steels and then connect and fix them through the connecting structure.

[0013] Furthermore, the material of the reinforcing crossbeam is a square hollow steel tube;

[0014] Through the above technical solution, the reinforced crossbeam structure of the hollow steel pipe is stable and has a strong bearing capacity.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the trailer suspension with enhanced safety is enhanced by adding a reinforcing crossbeam to the upper ends of two spring steels at the upper ends of the axle housing, and then connecting the reinforcing crossbeam, the two spring steels and the axle housing through four sleeve rods, and fixing them through a base plate and a limit ring, thereby improving the overall strength and greatly improving the bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a trailer suspension with enhanced safety proposed by the utility model;

[0018] Figure 2 A three-dimensional diagram of another perspective of a trailer suspension with enhanced safety proposed by the utility model;

[0019] Figure 3 This is a front view of a trailer suspension with enhanced safety proposed by the utility model;

[0020] Figure 4 The utility model is a three-dimensional diagram of a trailer suspension rod with enhanced safety.

[0021] Legend:

[0022] 1. Axle housing; 2. Reinforced crossbeam; 3. Bushing rod; 4. Airbag; 5. Spring steel; 6. Connection structure; 601. Base plate; 602. Limiting ring; 603. Bump; 604. Mounting hole; 7. Brake disc; 8. Wheel hub. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-4 The utility model provides an embodiment: a trailer suspension with enhanced safety, comprising an axle housing 1, two brake discs 7 and two wheel hubs 8, the two wheel hubs 8 are respectively arranged at the two ends of the axle housing 1, the two brake discs 7 are respectively sleeved on the outside of the two wheel hubs 8, spring steels 5 are provided at both sides of the center of the upper end surface of the axle housing 1, and reinforcing beams 2 are provided at the upper ends of the two spring steels 5. By reinforcing the beams 2 to improve the overall strength, the bearing capacity can be greatly improved, air bags 4 are provided at both sides of the upper end surface of the reinforcing beam 2, sleeve rods 3 are provided at the lower ends of the two ends of the front and rear side walls of the reinforcing beam 2, and connecting structures 6 are provided on the outside of the two sleeve rods 3 on one side and the two sleeve rods 3 on the other side, and the four sleeve rods 3 are fixed to the upper end of the axle housing 1 through the connecting structure 6 for easy connection.

[0025] The connecting structure 6 includes two substrates 601, four protrusions 603 and four mounting holes 604. The two substrates 601 are arranged front to back. The four protrusions 603 are respectively arranged on both sides of the front end surface of the front substrate 601 and on both sides of the rear end surface of the rear substrate 601. The four mounting holes 604 are respectively arranged at the center of the upper end surfaces of the four protrusions 603. The four mounting holes 604 are respectively sleeved at the two ends of the two sleeve rods 3 on one side. The two substrates 601 are arranged between the spring steel 5 and the axle housing 1, so that the two sleeve rods 3 on one side are conveniently connected through the two substrates 601, and then the sleeve rods 3 are sleeved on the spring steel 5 for connection, so as to facilitate the connection operation.

[0026] Limiting rings 602 are provided at the ends of the four sleeve rods 3 at the lower end of the axle housing 1. The eight limiting rings 602 are respectively fixedly connected to the ends of the four sleeve rods 3 by limiting screws, so as to facilitate the limiting and fixing of the four sleeve rods 3. The four sleeve rods 3 are all in the shape of U-shaped rods, so as to facilitate the clamping of the two spring steels 5 and then connect and fix them through the connecting structure 6. The material of the reinforcing beam 2 is a square hollow steel pipe. The reinforcing beam 2 of the hollow steel pipe has a stable structure and a strong bearing capacity.

[0027] Working principle: During installation, a reinforcing beam 2 is added to the upper ends of the two spring steels 5 at the upper end of the axle housing 1, and then the reinforcing beam 2, the two spring steels 5 and the axle housing 1 are connected through four sleeve rods 3. The base plate 601 and the limiting ring 602 are sleeved on the four sleeve rods 3 for fixation, thereby improving the overall strength, which can greatly improve the bearing capacity and is also convenient for installation and fixation through the limiting ring 602.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A trailer suspension with enhanced safety, comprising an axle housing (1), two brake discs (7) and two wheel hubs (8), wherein the two wheel hubs (8) are respectively arranged at two ends of the axle housing (1), and the two brake discs (7) are respectively sleeved on the outer sides of the two wheel hubs (8), characterized in that: Spring steel (5) is provided at both sides of the center of the upper end surface of the axle housing (1), and reinforcing cross beams (2) are provided at the upper ends of the two spring steels (5). Air bags (4) are provided at both sides of the upper end surface of the reinforcing cross beam (2), and sleeve rods (3) are provided at the lower ends of the front and rear side walls of the reinforcing cross beam (2), and connecting structures (6) are provided on the outer sides of the two sleeve rods (3) on one side and the two sleeve rods (3) on the other side.

2. A trailer suspension with enhanced safety according to claim 1, characterized in that: The connection structure (6) comprises two substrates (601), four protrusions (603) and four mounting holes (604); the two substrates (601) are arranged front to back; the four protrusions (603) are respectively arranged at both sides of the front end surface of the substrate (601) at the front and at both sides of the rear end surface of the substrate (601) at the rear; the four mounting holes (604) are respectively arranged at the center of the upper end surfaces of the four protrusions (603); the four mounting holes (604) are respectively sleeved at both ends of two sleeve rods (3) at one side; and the two substrates (601) are arranged between the spring steel (5) and the axle housing (1).

3. A trailer suspension with enhanced safety according to claim 1, characterized in that: A limiting ring (602) is provided at the end of each of the four sleeve rods (3) at the lower end of the axle housing (1), and the eight limiting rings (602) are fixedly connected to the end of the four sleeve rods (3) by limiting screws.

4. A trailer suspension with enhanced safety according to claim 1, characterized in that: The four sleeve rods (3) are all in the shape of U-shaped rods.

5. The trailer suspension with enhanced safety according to claim 1, characterized in that: The material of the reinforcing cross beam (2) is a square hollow steel pipe.

Images