Steering front axle of heavy vehicle

Abstract

The utility model discloses a steering front axle of a heavy vehicle, which comprises a first sheet body and a second sheet body opposite to the first sheet body, and a space is reserved between the first sheet body and the second sheet body. A connecting column is arranged between the first sheet body and the second sheet body, is simultaneously positioned in the centers of the first sheet body and the second sheet body, and is integrally formed with the first sheet body and the second sheet body; four second connecting pieces are further arranged between the first piece body and the second piece body, the four second connecting pieces are symmetrically arranged at the tail end of the steering front axle of the heavy vehicle, and the second connecting pieces, the first piece body and the second piece body are integrally formed at the same time. The steering front axle of the heavy vehicle has the advantages that the kidney-shaped holes, the first round holes and the square holes serve as the installation positions of the hubs of the heavy vehicle together, the positions of the hubs of the heavy vehicle can be adjusted conveniently after the hubs of the heavy vehicle are installed, and the bearing capacity is improved.

Description

Technical Field

[0001] This utility model belongs to the field of vehicle axles, specifically relating to a steering front axle for heavy-duty vehicles. Background Technology

[0002] The patent, with publication number CN202896190U and subject title "Utility Model Patent for a Heavy-Duty Truck Steering Front Axle," and IPC classification number B60B37 / 00, discloses that "a heavy-duty truck steering front axle includes a front axle body, a steering knuckle assembly, a wheel hub assembly, a wheel hub flange, a brake disc, a steering knuckle pin, an adjusting shim, and a lower end cover. The steering knuckle assembly includes a steering knuckle, a needle roller bearing embedded therein, and a sealing ring for sealing and lubricating the needle roller bearing lubricating oil. The steering knuckle assembly is connected to the front axle body via a steering knuckle pin, which engages with the needle roller bearing of the steering knuckle assembly and is securely connected to the steering knuckle assembly via a lower end cover fitted with an adjusting shim."

[0003] Therefore, the above utility model patents have disclosed one technical solution for the steering front axle of heavy-duty trucks. However, the technical solutions disclosed in these utility model patents focus on reducing the number of mating surfaces required for the wheel hub bearing unit, thereby lowering the processing requirements and costs of the bearing's peripheral components. They do not further address issues such as the position adjustment of the wheel hub after installation in heavy-duty vehicles, and therefore require further improvement. Utility Model Content

[0004] This utility model addresses the shortcomings of the existing technology by providing a heavy-duty vehicle steering front axle.

[0005] This utility model adopts the following technical solution: a heavy-duty vehicle steering front axle, comprising a first piece and a second piece opposite to the first piece, wherein there is a gap between the first piece and the second piece, wherein:

[0006] A connecting post is provided between the first piece and the second piece. The connecting post is located at the center of both the first piece and the second piece and is integrally formed with both the first piece and the second piece.

[0007] Four second connecting pieces are provided between the first piece and the second piece. The four second connecting pieces are symmetrically distributed at the ends of the steering front axle of heavy vehicles. The second connecting pieces are integrally formed with the first piece and the second piece.

[0008] The first piece has two waist-shaped holes and two first round holes symmetrically distributed relative to the connecting post, and a square hole is located between the two second connecting pieces at the same end.

[0009] As a preferred embodiment of the above technical solution, the second piece has two inner protrusions, which are symmetrically distributed relative to the connecting post and are integrally formed with the second piece; the second piece has two outer protrusions, which are symmetrically distributed relative to the connecting post and are integrally formed with the second piece; the inner protrusions have a second round hole, and the outer protrusions have a second round hole.

[0010] As a preferred embodiment of the above technical solution, both inner protrusions are located on the side of the second piece away from the first piece, and both outer protrusions are located on the side of the second piece away from the first piece.

[0011] As a preferred embodiment of the above technical solutions, the first piece has a third circular hole that extends through the connecting post.

[0012] As a preferred technical solution of the above technical solution, the first piece has two fourth circular holes, which are symmetrically distributed with respect to the connecting post.

[0013] As a preferred technical solution to the above technical solutions, the connecting column has an oil nozzle hole, which is connected to the third circular hole.

[0014] The heavy-duty vehicle steering front axle disclosed in this utility model has the following advantages: the oblong hole, the first round hole, and the square hole together serve as the mounting positions for the heavy-duty vehicle wheel hub, facilitating position adjustment after wheel hub installation and improving load-bearing capacity. Furthermore, the second round hole on the inner and outer protrusions is used for mounting the steering link bushing; after wear, only the bushing needs to be replaced, simplifying maintenance and reducing costs. The third round hole is used for mounting the engine output torque drive shaft, and the fourth round hole is used for securing the protective cover, ensuring the output shaft is clean and preventing it from falling off. The oil nozzle hole communicates with the third round hole, facilitating regular lubrication and extending service life. Attached Figure Description

[0015] Figure 1 This is a perspective view of this application.

[0016] Figure 2 This is a cross-sectional view of this application.

[0017] Figure 3 It is along Figure 2 A sectional view along the AA direction.

[0018] Figure 4 yes Figure 1 A magnified view of a portion of region A.

[0019] Figure 5 yes Figure 1 A magnified view of a portion of region B.

[0020] Figure 6 yes Figure 2A magnified view of region C.

[0021] Figure 7 yes Figure 2 A magnified view of a portion of region D.

[0022] Figure 8 yes Figure 3 A magnified view of a portion of region E.

[0023] The reference numerals in the attached drawings include: 1-waist-shaped hole; 2-first round hole; 3-square hole; 4-second round hole; 5-third round hole; 6-fourth round hole; 7-oil nozzle hole; 10-first piece; 20-second piece; 31-connecting post; 32-first connecting piece; 33-second connecting piece; 40-inner protrusion; 41-steering link bushing; 50-outer protrusion. Detailed Implementation

[0024] This utility model discloses a steering front axle for heavy-duty vehicles. The following description, in conjunction with a preferred embodiment (Embodiment 1), is shown in the accompanying drawings. Figures 1 to 8 The specific embodiments of this utility model will be further described below.

[0025] See attached diagram. Figures 1 to 8 , Figures 1 to 3 The following images show the front steering axle of a heavy vehicle from different perspectives. Figures 4 to 8 The partial structures of the steering front axle of heavy vehicles are shown respectively.

[0026] Example 1.

[0027] Preferably, the heavy-duty vehicle steering front axle includes a first piece 10 and a second piece 20 opposite to the first piece 10, with a gap between the first piece 10 and the second piece 20, wherein:

[0028] A connecting post 31 is provided between the first piece 10 and the second piece 20. The connecting post 31 is located at the center of both the first piece 10 and the second piece 20 and is integrally formed with both the first piece 10 and the second piece 20.

[0029] Four second connecting pieces 33 are provided between the first piece 10 and the second piece 20. The four second connecting pieces 33 are symmetrically distributed at the ends of the steering front axle of heavy vehicles (two second connecting pieces 33 are provided on the left side and two second connecting pieces 33 are provided on the right side). The second connecting pieces 33 are integrally formed with the first piece 10 and the second piece 20.

[0030] The first piece 10 has two waist-shaped holes 1 and two first round holes 2 symmetrically distributed relative to the connecting post 31, and a square hole 3 between the two second connecting pieces 33 located at the same end; so that the waist-shaped holes 1, the first round holes 2 and the square hole 3 together serve as the installation position of the heavy vehicle wheel hub (not shown in the figure), which facilitates the position adjustment of the heavy vehicle wheel hub after installation and improves the load-bearing capacity of the heavy vehicle wheel hub.

[0031] As an explanation, the long axis of the oblong hole 1 provides adjustment space. When installing the bolts, the wheel hub can be axially translated and finely adjusted along the long axis of the oblong hole 1 to compensate for manufacturing tolerances or assembly errors, ensuring precise alignment between the wheel hub and the axle. Furthermore, the first circular hole 2 provides a rotational reference positioning. The two symmetrically distributed first circular holes 2 serve as fixed reference points, and the central rotation axis of the wheel hub is determined through the precise fit between the bolts and the wheel hub, ensuring core positioning accuracy. In addition, the square hole 3 can collaboratively control angle and torsional load. The square hole 3, located between the two second connecting pieces 33 at the end, has a straight-edge structure that engages with the corresponding boss or keyway on the wheel hub, thereby limiting circumferential rotation and preventing deflection due to torque after wheel hub installation.

[0032] The second piece 20 has two inner protrusions 40, which are symmetrically distributed relative to the connecting post 31 and integrally formed with the second piece 20. The second piece 20 also has two outer protrusions 50, which are symmetrically distributed relative to the connecting post 31 and integrally formed with the second piece 20. The inner protrusions 40 and the outer protrusions 50 have second round holes 4. The second round holes 4 of the inner protrusions 40 and the second round holes 4 of the outer protrusions 50 serve together as the mounting positions for the steering link bushing 41 of the steering link (not shown in the figure). When the steering link is worn out and cannot be used, the steering link bushing 41 can be replaced.

[0033] Among them, the two inner protrusions 40 are located on the side of the second piece 20 away from the first piece 10, and the two outer protrusions 50 are located on the side of the second piece 20 away from the first piece 10.

[0034] The first piece 10 has a third circular hole 5, which passes through the connecting post 31, so that the third circular hole 5 serves as the installation position for the engine output torque transmission shaft (the position shown in the drawing).

[0035] The first piece 10 has two fourth circular holes 6, which are symmetrically distributed relative to the connecting post 31. The fourth circular holes 6 serve as the installation position for the protective cover (not shown in the figure), ensuring the cleanliness of the output shaft installation area and preventing the output shaft from falling off.

[0036] The connecting column 31 has an oil nozzle hole 7, which is connected to the third round hole 5, so that lubricating oil can be added periodically through the oil nozzle hole 7.

[0037] Among them, four first connecting pieces 32 are provided between the first piece 10 and the second piece 20. The four first connecting pieces 32 are symmetrically distributed on the side of the front steering axle of heavy vehicles (two first connecting pieces 32 are provided on the front side and two first connecting pieces 32 are provided on the rear side, and the first connecting pieces 32 are integrally formed with the first piece 10 and the second piece 20).

[0038] It is worth mentioning that the specific structure and other technical features of the steering linkage bushing 41 involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial arrangement of these technical features can be conventionally selected in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not elaborate further.

[0039] For those skilled in the art, modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. 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 heavy-duty vehicle steering front axle, characterized in that, It includes a first sheet body and a second sheet body directly opposite the first sheet body, with a gap between the first sheet body and the second sheet body, wherein: A connecting post is provided between the first piece and the second piece. The connecting post is located at the center of both the first piece and the second piece and is integrally formed with both the first piece and the second piece. Four second connecting pieces are provided between the first piece and the second piece. The four second connecting pieces are symmetrically distributed at the ends of the steering front axle of heavy vehicles. The second connecting pieces are integrally formed with the first piece and the second piece. The first piece has two waist-shaped holes and two first round holes symmetrically distributed relative to the connecting post, and a square hole is located between the two second connecting pieces at the same end.

2. The heavy-duty vehicle steering front axle according to claim 1, characterized in that, The second piece has two inner protrusions, which are symmetrically distributed relative to the connecting post and are integrally formed with the second piece; the second piece has two outer protrusions, which are symmetrically distributed relative to the connecting post and are integrally formed with the second piece; the inner protrusions have a second round hole, and the outer protrusions have a second round hole.

3. The heavy-duty vehicle steering front axle according to claim 2, characterized in that, Both inner protrusions are located on the side of the second piece away from the first piece, and both outer protrusions are located on the side of the second piece away from the first piece.

4. The heavy-duty vehicle steering front axle according to claim 1, characterized in that, The first piece has a third circular hole, which passes through the connecting post.

5. The heavy-duty vehicle steering front axle according to claim 1, characterized in that, The first piece has two fourth circular holes, which are symmetrically distributed with respect to the connecting post.

6. The heavy-duty vehicle steering front axle according to claim 1, characterized in that, The connecting column has an oil nozzle hole, which is connected to the third circular hole.

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