Front axle of heavy-duty vehicle for mining engineering

Abstract

The utility model relates to the technical field of engineering heavy-duty vehicles, and provides a mining engineering heavy-duty vehicle front axle which comprises a front axle body, a left hydro-pneumatic suspension mounting seat, a right hydro-pneumatic suspension mounting seat, a left thrust rod seat, a right thrust rod seat, a left booster cylinder support and a right booster cylinder support. The front axle body is of a symmetrical camber beam structure; the left hydro-pneumatic suspension mounting seat, the right hydro-pneumatic suspension mounting seat, the left thrust rod seat, the right thrust rod seat, the left booster cylinder bracket and the right booster cylinder bracket are respectively connected with the front axle body; the left hydro-pneumatic suspension mounting base, the right hydro-pneumatic suspension mounting base, the left thrust rod base, the right thrust rod base, the left booster cylinder support and the right booster cylinder support share the same symmetry plane with the front axle body. According to the utility model, the bearing capacity of the vehicle can be improved, so that the reliability and the safety of the engineering heavy-duty vehicle are higher; furthermore, the rigidity and the strength of the front axle body in the vertical direction and the longitudinal direction can be effectively improved, and the service life of a rack of the front axle body can be greatly prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering heavy-load vehicles, in particular to a front axle of a mining engineering heavy-load vehicle. Background Art

[0002] As market users' demands for the load capacity of heavy-duty engineering vehicles continue to increase, the requirements for the load-bearing capacity, reliability and safety of the axles of heavy-duty engineering vehicles are becoming increasingly stringent, which also becomes an important manifestation of improving product competitiveness.

[0003] At present, the front axles of engineering heavy-duty vehicles are mostly straight beams without drop formed by welding or hollow casting. They are characterized by high center of gravity and weak load-bearing capacity, which cannot meet the configuration requirements of large-tonnage engineering heavy-duty vehicles, which is particularly prominent in mining engineering heavy-duty vehicles with harsh working conditions. Prior art CN202223351157.8 provides an off-road heavy-duty front axle and vehicle, which effectively reduces the overall center of gravity of the axle by adopting a symmetrical curved beam structure for the front axle housing assembly, thereby enabling the vehicle to meet better anti-rollover performance and meet the use requirements of harsh working conditions. However, its leaf spring mechanism does not improve the vehicle's load-bearing capacity to a sufficient degree.

[0004] In view of this, overcoming the defects of the prior art is an urgent problem to be solved in the field of this technology. Utility Model Content

[0005] The utility model provides a solution to the technical problem that the leaf spring mechanism adopted in the prior art is insufficient in improving the vehicle load-bearing capacity.

[0006] In order to solve the above technical problems, the utility model provides a front axle of a heavy-duty mining engineering vehicle, comprising:

[0007] A front axle body 1, a left oil-gas suspension mounting seat 2, a right oil-gas suspension mounting seat 3, a left thrust rod seat 4, a right thrust rod seat 5, a left booster cylinder bracket 6 and a right booster cylinder bracket 7; the front axle body 1 is a symmetrical curved beam structure, and the left oil-gas suspension mounting seat 2, the right oil-gas suspension mounting seat 3, the left thrust rod seat 4, the right thrust rod seat 5, the left booster cylinder bracket 6 and the right booster cylinder bracket 7 are respectively connected to the front axle body 1; the left oil-gas suspension mounting seat 2 and the right oil-gas suspension mounting seat 3, the left thrust rod seat 4 and the right thrust rod seat 5, the left booster cylinder bracket 6 and the right booster cylinder bracket 7 are respectively cosymmetrical with the front axle body 1.

[0008] Preferably, the front axle body 1 is a hollow structure.

[0009] Preferably, the front axle body 1 includes an upper cover plate 1-1, a lower cover plate 1-2, a front belly plate 1-3 and a rear belly plate 1-4; wherein the front belly plate 1-3 and the rear belly plate 1-4 are located between the upper cover plate 1-1 and the lower cover plate 1-2.

[0010] Preferably, the left oil-gas suspension mounting seat 2 and the right oil-gas suspension mounting seat 3 are arranged on the upper cover plate 1-1, the left thrust rod seat 4 and the right thrust rod seat 5 are arranged on the rear belly plate 1-4, and the left booster cylinder bracket 6 and the right booster cylinder bracket 7 are arranged on the front belly plate 1-3.

[0011] Preferably, the front axle body 1 also includes an upper reinforcing rib 1-5 and a lower reinforcing rib 1-6; wherein the upper reinforcing rib 1-5 is arranged on the lower surface of the upper cover plate 1-1, and the lower reinforcing rib 1-6 is arranged on the upper surface of the lower cover plate 1-2.

[0012] Preferably, the front axle body 1 also includes an arc plate 1-7; wherein the arc plate 1-7 is arranged between the upper cover plate 1-1 and the lower cover plate 1-2.

[0013] Preferably, the arc plate 1-7 is provided with arc edges at the upper and lower ends, and straight edges at the left and right ends; wherein the arc edges are respectively fitted with the upper cover plate 1-1 and the lower cover plate 1-2, and the straight edges are respectively fitted with the front belly plate 1-3 and the rear belly plate 1-4.

[0014] Preferably, the front axle body 1 also includes a reinforcing plate 1-11; wherein the reinforcing plate 1-11 is arranged at the junction of the arc plate 1-7 and the front web 1-3 and the rear web 1-4.

[0015] Preferably, the front axle body 1 further includes an inner vertical plate 1-8; wherein the inner vertical plate 1-8 is arranged between the front web 1-3 and the rear web 1-4.

[0016] Preferably, the front axle body 1 also includes an upper kingpin seat 1-9 and a lower kingpin seat 1-10; wherein, the upper kingpin seat 1-9 is arranged on the upper cover plate 1-1, and the lower kingpin seat 1-10 is arranged on the lower cover plate 1-2.

[0017] In view of the deficiencies in the prior art, the beneficial effects that can be achieved by the utility model are as follows:

[0018] Compared with the leaf spring mechanism adopted in the prior art, the utility model can further improve the vehicle load-bearing capacity by providing the oil-gas suspension mounting seat, thereby making the reliability and safety of the engineering heavy-duty vehicle higher.

[0019] Furthermore, the utility model can effectively improve the vertical and longitudinal stiffness and strength of the front axle body by providing structures such as reinforcing ribs, arc plates, inner vertical plates and arc plates, thereby greatly improving the life of the stand of the front axle body.

[0020] Test results show that, compared with the traditional heavy-load front axle structure, the front axle of a mining engineering heavy-load vehicle provided by the utility model can improve the service life by about 40% overall. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work.

[0022] Figure 1 It is an axle diagram of a certain angle of view of the front axle of a heavy-duty mining engineering vehicle provided by an embodiment of the utility model;

[0023] Figure 2 It is an axial diagram of another perspective of the front axle of a heavy-duty mining engineering vehicle provided by an embodiment of the utility model;

[0024] Figure 3 yes Figure 1-Figure 2 A side view of the center front axle body;

[0025] Figure 4 yes Figure 1-Figure 2 A longitudinal sectional view of the center front axle body;

[0026] Figure 5 yes Figure 1-Figure 2 A transverse cross-sectional view of the center front axle body;

[0027] Figure 6 yes Figure 1-Figure 2 Axis diagram of the middle arc plate;

[0028] Figure 7 yes Figure 1-Figure 2 Axial view of the middle reinforcement plate.

[0029] In the accompanying drawings, the same reference numerals are used to denote the same components or structures, wherein:

[0030] 1-front axle body, 1-1-upper cover plate, 1-2-lower cover plate, 1-3-front belly plate, 1-4-rear belly plate, 1-5-upper reinforcement rib, 1-6-lower reinforcement rib, 1-7-arc plate, 1-8-inner vertical plate, 1-9-upper kingpin seat, 1-10-lower kingpin seat, 1-11-reinforcement plate; 2-left oil-gas suspension mounting seat; 3-right oil-gas suspension mounting seat; 4-left thrust rod seat; 5-right thrust rod seat; 6-left booster cylinder bracket; 7-right booster cylinder bracket. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0032] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0033] In addition, the technical features involved in each embodiment of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0034] This embodiment provides a front axle of a heavy-duty mining vehicle, such as Figure 1-Figure 7 As shown, it includes: a front axle body 1, a left oil-gas suspension mounting seat 2, a right oil-gas suspension mounting seat 3, a left thrust rod seat 4, a right thrust rod seat 5, a left booster cylinder bracket 6 and a right booster cylinder bracket 7; the front axle body 1 is a symmetrical curved beam structure, the left oil-gas suspension mounting seat 2, the right oil-gas suspension mounting seat 3, the left thrust rod seat 4, the right thrust rod seat 5, the left booster cylinder bracket 6 and the right booster cylinder bracket 7 are respectively connected to the front axle body 1; the left oil-gas suspension mounting seat 2 and the right oil-gas suspension mounting seat 3, the left thrust rod seat 4 and the right thrust rod seat 5, the left booster cylinder bracket 6 and the right booster cylinder bracket 7 are respectively cosymmetrical with the front axle body 1.

[0035] In this embodiment, by providing the left oil-gas suspension mounting seat 2 and the right oil-gas suspension mounting seat 3, the vehicle load-bearing capacity can be further improved, thereby making the reliability and safety of the engineering heavy-duty vehicle higher.

[0036] In order to reduce the weight of the front axle body 1 , during application, the front axle body 1 is a hollow structure.

[0037] In a specific implementation, the front axle body 1 includes an upper cover plate 1-1, a lower cover plate 1-2, a front belly plate 1-3 and a rear belly plate 1-4; wherein the front belly plate 1-3 and the rear belly plate 1-4 are located between the upper cover plate 1-1 and the lower cover plate 1-2, and the upper cover plate 1-1 and the lower cover plate 1-2 are both reserved with positions for welding with the front belly plate 1-3 and the rear belly plate 1-4, the left oil-gas suspension mounting seat 2 and the right oil-gas suspension mounting seat 3 are arranged on the upper cover plate 1-1, and the upper cover plate 1-1 is reserved with positions for welding with the left oil-gas suspension mounting seat 2 The left oil-gas suspension mounting seat 2 and the right oil-gas suspension mounting seat 3 are welded to the horizontal section and the slope section of the upper cover plate 1-1. The left thrust rod seat 4 and the right thrust rod seat 5 are arranged on the rear belly plate 1-4, and the rear belly plate 1-4 has a reserved position for welding with the left thrust rod seat 4 and the right thrust rod seat 5. The left booster cylinder bracket 6 and the right booster cylinder bracket 7 are arranged on the front belly plate 1-3, and the front belly plate 1-3 has a reserved position for welding with the left booster cylinder bracket 6 and the right booster cylinder bracket 7.

[0038] In order to improve the vertical and longitudinal rigidity and strength of the front axle body, in some preferred implementations, the front axle body 1 also includes an upper reinforcing rib 1-5, a lower reinforcing rib 1-6, an arc plate 1-7, an inner vertical plate 1-8, and a reinforcing plate 1-11. The upper reinforcing rib 1-5 is arranged on the lower surface of the upper cover plate 1-1, and the upper cover plate 1-1 has a position reserved for welding with the upper reinforcing rib 1-5. The lower reinforcing rib 1-6 is arranged on the upper surface of the lower cover plate 1-2, and the lower cover plate 1-2 has a position reserved for welding with the lower reinforcing rib 1-6; the arc plate 1-7 is arranged between the upper cover plate 1-1 and the lower cover plate 1-2. When it is specifically implemented, as Figure 6 As shown, the arc plate 1-7 has arc edges at the upper and lower ends, and straight edges at the left and right ends; wherein the arc edges are respectively fitted with the upper cover plate 1-1 and the lower cover plate 1-2, and the upper cover plate 1-1 and the lower cover plate 1-2 are both reserved with positions for welding with the upper and lower ends of the arc plate 1-7, and the straight edges are respectively fitted with the front web plate 1-3 and the rear web plate 1-4, and the front web plate 1-3 and the rear web plate 1-4 are both reserved with positions for welding with the left and right ends of the arc plate 1-7; the inner vertical plate 1-8 is arranged between the front web plate 1-3 and the rear web plate 1-4; as shown Figure 5 As shown, the inner upright plate 1-8 is a regular rectangular parallelepiped structure. There are gaps between the inner upright plate 1-8 and the upper cover plate 1-1 and the lower cover plate 1-2, and they are arranged symmetrically. The front side of the inner upright plate 1-8 is attached to the front web 1-3 and a welding position is reserved. The rear side of the inner upright plate 1-8 is attached to the rear web 1-4 and a welding position is reserved. The reinforcing plate 1-11 is arranged at the junction of the arc plate 1-7 and the front web 1-3 and the rear web 1-4. Figure 7 The figure shows an axis diagram of the reinforcement plate; in addition, the front axle body 1 also includes an upper kingpin seat 1-9 and a lower kingpin seat 1-10, and the upper kingpin seat 1-9 and the lower kingpin seat 1-10 are respectively arranged at both ends of the front axle body 1. Specifically, the upper kingpin seat 1-9 is arranged on the upper cover plate 1-1, and the upper cover plate 1-1 has a position reserved for welding with the upper kingpin seat 1-9, and the lower kingpin seat 1-10 is arranged on the lower cover plate 1-2, and the lower cover plate 1-2 has a position reserved for welding with the lower kingpin seat 1-10.

[0039] The front axle body 1 is formed by assembling and welding an upper cover plate 1-1, a lower cover plate 1-2, a front belly plate 1-3, a rear belly plate 1-4, an upper reinforcing rib 1-5, a lower reinforcing rib 1-6, an arc plate 1-7, an inner vertical plate 1-8, an upper kingpin seat 1-9, a lower kingpin seat 1-10 and a reinforcing plate 1-11, which effectively shortens the product development cycle and saves the high mold costs caused by mold opening for forging forming.

[0040] In this embodiment, a vehicle is also provided, comprising the above-mentioned front axle of the heavy-duty mining engineering vehicle.

[0041] To sum up, this embodiment provides a front axle of a heavy-duty engineering vehicle for mining, which can improve the vehicle's load-bearing capacity, thereby making the heavy-duty engineering vehicle more reliable and safer; further, the utility model can effectively improve the vertical and longitudinal stiffness and strength of the front axle body, thereby greatly improving the rig life of the front axle body.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A front axle of a heavy-duty mining vehicle, characterized in that: include: The front axle body (1), the left oil-gas suspension mounting seat (2), the right oil-gas suspension mounting seat (3), the left thrust rod seat (4), the right thrust rod seat (5), the left booster cylinder bracket (6) and the right booster cylinder bracket (7); the front axle body (1) is a symmetrical curved beam structure; the left oil-gas suspension mounting seat (2), the right oil-gas suspension mounting seat (3), the left thrust rod seat (4), the right thrust rod seat (5), the left booster cylinder bracket (6) and the right booster cylinder bracket (7) are respectively connected to the front axle body (1); the left oil-gas suspension mounting seat (2) and the right oil-gas suspension mounting seat (3), the left thrust rod seat (4) and the right thrust rod seat (5), the left booster cylinder bracket (6) and the right booster cylinder bracket (7) are respectively cosymmetrical with the front axle body (1).

2. The front axle of a heavy-duty mining vehicle according to claim 1, characterized in that: The front axle body (1) is a hollow structure.

3. The front axle of a heavy-duty mining vehicle according to claim 2, characterized in that: The front axle body (1) comprises an upper cover plate (1-1), a lower cover plate (1-2), a front web plate (1-3) and a rear web plate (1-4); wherein the front web plate (1-3) and the rear web plate (1-4) are located between the upper cover plate (1-1) and the lower cover plate (1-2).

4. The front axle of a heavy-duty mining vehicle according to claim 3, characterized in that: A left oil-gas suspension mounting seat (2) and a right oil-gas suspension mounting seat (3) are arranged on the upper cover plate (1-1), a left thrust rod seat (4) and a right thrust rod seat (5) are arranged on the rear belly plate (1-4), and a left booster cylinder bracket (6) and a right booster cylinder bracket (7) are arranged on the front belly plate (1-3).

5. The front axle of a heavy-duty mining vehicle according to claim 3, characterized in that: The front axle body (1) also includes an upper reinforcing rib (1-5) and a lower reinforcing rib (1-6); wherein the upper reinforcing rib (1-5) is arranged on the lower surface of the upper cover plate (1-1), and the lower reinforcing rib (1-6) is arranged on the upper surface of the lower cover plate (1-2).

6. The front axle of a heavy-duty mining vehicle according to claim 3, characterized in that: The front axle body (1) also includes an arc plate (1-7); wherein the arc plate (1-7) is arranged between the upper cover plate (1-1) and the lower cover plate (1-2).

7. The front axle of a heavy-duty mining vehicle according to claim 6, characterized in that: The arc plate (1-7) is provided with arc edges at the upper and lower ends, and with straight edges at the left and right ends; wherein the arc edges are respectively fitted with the upper cover plate (1-1) and the lower cover plate (1-2), and the straight edges are respectively fitted with the front belly plate (1-3) and the rear belly plate (1-4).

8. The front axle of a heavy-duty mining vehicle according to claim 6, characterized in that: The front axle body (1) also includes a reinforcing plate (1-11); wherein the reinforcing plate (1-11) is arranged at the junction of the arc plate (1-7) and the front web plate (1-3) and the rear web plate (1-4).

9. The front axle of a heavy-duty mining vehicle according to claim 3, characterized in that: The front axle body (1) also includes an inner vertical plate (1-8); wherein the inner vertical plate (1-8) is arranged between the front web plate (1-3) and the rear web plate (1-4).

10. The front axle of a heavy-duty mining vehicle according to claim 3, characterized in that: The front axle body (1) also comprises an upper kingpin seat (1-9) and a lower kingpin seat (1-10); wherein the upper kingpin seat (1-9) is arranged on the upper cover plate (1-1), and the lower kingpin seat (1-10) is arranged on the lower cover plate (1-2).

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