Integrated casting front axle housing

Abstract

The utility model relates to an integrated cast front axle shell, comprising a cast front axle shell body and a vehicle suspension connection structure; the cast front axle shell body and the vehicle suspension connection structure are integrated, the cast front axle shell body is an integrated structure, divided into two symmetrical halves, each half is further divided into a front section, a middle section and a rear section; the utility model integrates the cast front axle shell body and the vehicle suspension connection structure into an integrated design, which effectively solves the problems of low structural strength and poor product consistency existing in the existing welded front axle shell or split cast front axle shell, and at the same time the product is light in weight and low in production cost.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle manufacturing, and in particular to an integrated casting front axle housing. Background Art

[0002] At present, with the continuous development of large-scale mines, the requirements for the load-bearing capacity of heavy-duty off-road vehicles are constantly increasing, and the requirements for the load-bearing capacity of drive axles or steering shafts are further increased, especially for steering shafts, the improvement of their load-bearing capacity is more important.

[0003] Common heavy-duty off-road vehicle drive axle housings mostly adopt two structures: steel plate welding and split casting. Although this structure can basically meet the use requirements of wide-body mining dump trucks, it is affected by the inherent properties of welding process or split assembly process, product consistency is difficult to ensure, labor input is large, and product design and manufacturing costs are high. At the same time, the overall weight of the product is heavy and the structural redundancy is high, which seriously affects the overall performance of the drive axle assembly and seriously restricts the further development of the wide-body mining dump truck market. Utility Model Content

[0004] The utility model aims to provide an integrated casting front axle housing in view of the deficiencies in the prior art.

[0005] The utility model is realized by adopting the following technical solutions:

[0006] An integrated cast front axle housing comprises a cast front axle housing body and a vehicle suspension connection structure; the cast front axle housing body and the vehicle suspension connection structure are integrated, the cast front axle housing body is an integrated structure, divided into two symmetrical halves, each half is further divided into a front section, a middle section and a rear section.

[0007] Preferably, the front section of the cast front axle housing body is fist-shaped.

[0008] Preferably, the middle section of the cast front axle housing body is a transition section, the upper and lower bearing surfaces of the middle section of the cast front axle housing body are unequal wall structures, and the thickness increases from the upper and lower bearing surfaces of the rear section to the front section.

[0009] Preferably, the cross-section of the rear section of the cast front axle housing body is a rectangular variable cross-section structure.

[0010] Preferably, the vehicle suspension connection structure comprises: a kingpin mounting hole and an end casting process hole are respectively arranged on the front section of the cast front axle housing body.

[0011] Preferably, the vehicle suspension connection structure includes: a plurality of vertical cylinder mounting holes and a plurality of transverse thrust rod pin holes are respectively arranged on the middle section of the cast front axle housing body, and a plurality of upper thrust rod brackets are arranged on one side of the middle section of the cast front axle housing body.

[0012] Preferably, the vehicle suspension connection structure also includes: a power-boosting cylinder mounting surface is provided on both the front and rear sides of the rear section of the cast front axle housing body, a plurality of power-boosting cylinder brackets are provided on one side of the power-boosting cylinder mounting surface, and a plurality of front and rear side casting process holes are provided on the power-boosting cylinder mounting surface.

[0013] Preferably, the vehicle suspension connection structure further comprises: a plurality of pipeline supports are respectively arranged on the front and rear sides of the middle section and the rear section of the cast front axle housing body.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] The utility model integrates the design of the cast front axle shell body and the vehicle suspension connection structure, which effectively solves the problems of low structural strength and poor product consistency in the existing welded front axle shell or split cast front axle shell. At the same time, the product is light in weight and has low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 The integrated casting front axle housing structure of the utility model embodiment is shown in FIG. Figure 1 ;

[0018] Figure 2 The integrated casting front axle housing structure of the utility model embodiment is shown in FIG. Figure 2 ;

[0019] Figure 3 The integrated casting front axle housing structure of the utility model embodiment is shown in FIG. Figure 3 ;

[0020] Figure 4 The integrated casting front axle housing structure of the utility model embodiment is shown in FIG. Figure 4 ;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the rear section described in an embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1. Front section; 11. Kingpin mounting hole; 12. End casting process hole; 2. Middle section; 21. Vertical cylinder mounting hole; 22. Upper thrust rod bracket; 23. Horizontal thrust rod pin hole; 24. Middle section upper and lower bearing surfaces; 3. Rear section; 31. Power cylinder mounting surface; 32. Power cylinder bracket; 33. Front and rear side casting process holes; 34. Rear section upper and lower bearing surfaces; 35. Pipeline support. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. In the description of the utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0025] like Figure 1-5 As shown: an integrated cast front axle housing, including a cast front axle housing body and a vehicle suspension connection structure; the cast front axle housing body and the vehicle suspension connection structure are integrated, and the cast front axle housing body is an integrated structure, divided into two symmetrical halves, each half is divided into a front section 1, a middle section 2 and a rear section 3.

[0026] The front section 1 of the cast front axle housing body is fist-shaped.

[0027] The middle section 2 of the cast front axle housing body is a transition section, and the upper and lower bearing surfaces 24 of the middle section 2 of the cast front axle housing body are unequal wall structures. The thickness increases along the upper and lower bearing surfaces 34 of the rear section 3 to the front section 1; preferably, it can be gradually thickened.

[0028] The cross section of the rear section 3 of the cast front axle housing body is a rectangular variable cross-section structure.

[0029] The vehicle suspension connection structure comprises: a kingpin mounting hole 11 and an end casting process hole 12 are respectively arranged on the front section 1 of the cast front axle housing body.

[0030] The vehicle suspension connection structure includes: a plurality of vertical cylinder mounting holes 21 and a plurality of transverse thrust rod pin holes 23 are respectively arranged on the middle section 2 of the cast front axle housing body, and a plurality of upper thrust rod brackets 22 are arranged on one side of the middle section 2 of the cast front axle housing body.

[0031] The vehicle suspension connection structure also includes: a booster cylinder mounting surface 31 is provided on both the front and rear sides of the rear section 3 of the cast front axle housing body, a plurality of booster cylinder brackets 32 are provided on one side of the booster cylinder mounting surface 31, and a plurality of front and rear side casting process holes 33 are provided on the booster cylinder mounting surface 31; the booster cylinder bracket 32 ​​is connected to the rear section 3 by threaded fasteners, and can also be integrated with the side of the rear section 3 by casting.

[0032] The vehicle suspension connection structure also includes: a plurality of pipeline supports 35 are respectively arranged on the front and rear sides of the middle section 2 and the rear section 3 of the cast front axle housing body; the number and position of the pipeline supports 35 can be adjusted according to the vehicle matching requirements.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An integrated cast front axle housing, characterized in that: The invention comprises a cast front axle housing body and a vehicle suspension connection structure; the cast front axle housing body and the vehicle suspension connection structure are integrated, the cast front axle housing body is an integrated structure, and is divided into two symmetrical halves, each half is further divided into a front section (1), a middle section (2) and a rear section (3); the vehicle suspension connection structure comprises: a plurality of vertical oil cylinder mounting holes (21) and a plurality of transverse thrust rod pin holes (23) are respectively arranged on the middle section (2) of the cast front axle housing body, and a plurality of upper thrust rod brackets (22) are arranged on one side of the middle section (2) of the cast front axle housing body.

2. The integrated cast front axle housing according to claim 1, characterized in that: The front section (1) of the cast front axle housing body is fist-shaped.

3. The integrated cast front axle housing according to claim 2, characterized in that: The middle section (2) of the cast front axle housing body is a transition section, the middle section upper and lower bearing surfaces (24) of the middle section (2) of the cast front axle housing body are unequal wall structures, and the thickness increases from the rear section upper and lower bearing surfaces (34) of the rear section (3) to the front section (1).

4. The integrated cast front axle housing according to claim 3, characterized in that: The cross section of the rear section (3) of the cast front axle housing body is a rectangular variable cross-section structure.

5. The integrated cast front axle housing according to claim 2, characterized in that: The vehicle suspension connection structure comprises: a kingpin mounting hole (11) and an end casting process hole (12) are respectively arranged on the front section (1) of the cast front axle housing body.

6. The integrated cast front axle housing according to claim 4, characterized in that: The vehicle suspension connection structure further comprises: a booster oil cylinder mounting surface (31) is provided on both the front and rear sides of the rear section (3) of the cast front axle housing body; a plurality of booster oil cylinder brackets (32) are provided on one side of the booster oil cylinder mounting surface (31); and a plurality of front and rear side casting process holes (33) are provided on the booster oil cylinder mounting surface (31).

7. The integrated cast front axle housing according to claim 4, characterized in that: The vehicle suspension connection structure further comprises: a plurality of pipeline supports (35) are respectively arranged on the front and rear sides of the middle section (2) and the rear section (3) of the cast front axle housing body.

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