Mining wide-body vehicle and six-point suspension system thereof

Abstract

The utility model discloses a mining wide-body vehicle and a six-point suspension system thereof. The mining wide-body vehicle comprises a power assembly, a front-end suspension assembly, a middle suspension assembly and a rear-end suspension assembly. The power assembly is formed by connecting an engine and a gearbox through bolts; the pair of front-end suspension assemblies are symmetrically arranged on the two sides of the engine, one ends of the front-end suspension assemblies are rigidly connected to the power assembly, and the other ends of the front-end suspension assemblies are rigidly connected to the vehicle frame. The middle suspension assemblies are symmetrically arranged on the two sides of the joint of the engine and the gearbox, one end of each middle suspension assembly is rigidly connected to the power assembly, and the other end of each middle suspension assembly is rigidly connected to the frame. The pair of rear-end suspension assemblies are symmetrically arranged on the two sides of the gearbox, one end of each rear-end suspension assembly is rigidly connected to the power assembly, and the other end of each rear-end suspension assembly is rigidly connected to the frame. According to the utility model, a six-point suspension scheme is adopted, and the middle suspension simultaneously uses fixing points on the engine and the gearbox, so that the strength of the joint of the engine and the gearbox can be effectively enhanced, and the cracking of the gearbox shell is avoided.

Description

Technical Field

[0001] The utility model relates to a six-point suspension system for a wide-body mining vehicle, belonging to the technical field of mining dump trucks. Background Art

[0002] The connection between the engine and the gearbox is a stress concentration area. The existing suspension system of mining dump trucks is only fixed on the engine flywheel housing here, and its strength is weak. The impact of vibration on the gearbox housing can easily cause the housing to crack and cause losses. Summary of the invention

[0003] In view of the deficiencies in the prior art, the utility model provides a six-point suspension system for a wide-body mining vehicle, which adopts a six-point suspension scheme. The middle suspension uses fixed points on both the engine and the gearbox, which can effectively enhance the strength of the connection between the engine and the gearbox and avoid cracking of the gearbox housing.

[0004] The utility model is implemented according to the following technical solutions:

[0005] In a first aspect, the utility model provides a six-point suspension system for a wide-body mining vehicle, comprising:

[0006] The powertrain, formed by the engine and transmission connected by bolts;

[0007] A pair of front-end suspension components with a shock-absorbing function are symmetrically arranged on both sides of the engine, one end of the front-end suspension component is rigidly connected to the power assembly, and the other end is rigidly connected to the vehicle frame;

[0008] A pair of intermediate suspension components with a shock absorbing function are symmetrically arranged on both sides of the connection between the engine and the gearbox, one end of the intermediate suspension component is rigidly connected to the power assembly, and the other end is rigidly connected to the vehicle frame;

[0009] A pair of rear end suspension components with shock absorbing function are symmetrically arranged on both sides of the gearbox, one end of the rear end suspension component is rigidly connected to the power assembly, and the other end is rigidly connected to the frame.

[0010] In some embodiments, the front end suspension assembly includes:

[0011] A front suspension leg rigidly connected to the power assembly;

[0012] A front suspension mounting seat rigidly connected to the frame;

[0013] The shock absorbing component is arranged between the front end suspension leg and the front end suspension mounting seat, and the three are fixed together by bolts and self-locking nuts.

[0014] In some embodiments, the front overhanging leg comprises:

[0015] A mounting plate I having a plurality of through holes, and the mounting plate I is fixed to the engine by a plurality of bolts;

[0016] A bending plate I with a Z-shaped structure, the bottom plate of the bending plate I is fixed together with the mounting plate I, and the top plate of the bending plate I is provided with mounting holes for the bolts to pass through;

[0017] A pair of rib plates I facing each other fix the mounting plate I and the bending plate I together.

[0018] In some embodiments, the front end suspension mount comprises:

[0019] An L-shaped mounting seat I, a plurality of through holes are arranged on the vertical plate of the mounting seat I, the mounting seat I is fixed to the frame by a plurality of bolts and self-locking nuts, and a stepped hole is arranged on the bottom plate of the mounting seat I;

[0020] An annular pad is fixed in the stepped hole in a coaxial manner, the top surface of the annular pad protrudes from the top surface of the bottom plate of the mounting seat I, and the shock absorbing component is placed on the annular pad;

[0021] A pair of rib plates II facing each other are fixed at the inner bending part of the mounting seat I.

[0022] In some embodiments, the rear suspension assembly includes:

[0023] a rear end suspension leg rigidly connected to the power assembly;

[0024] a rear end suspension mounting seat rigidly connected to the frame;

[0025] The shock absorbing component is arranged between the rear end suspension leg and the rear end suspension mounting seat, and the three are fixed together by bolts and self-locking nuts.

[0026] In some embodiments, the rear end suspension leg comprises:

[0027] A mounting plate III having a plurality of through holes, and the mounting plate III is fixed to the gearbox by a plurality of bolts;

[0028] A straight plate is vertically fixed to the side of the mounting plate III, and the straight plate is provided with mounting holes for the bolts to pass through;

[0029] A pair of rib plates III facing each other fix the mounting plate III and the straight plate together.

[0030] In some embodiments, the rear suspension mount includes:

[0031] A mounting seat III having an L-shaped structure, a plurality of through holes being provided on a vertical plate of the mounting seat III, the mounting seat III being fixed to the vehicle frame by a plurality of bolts and self-locking nuts, and a stepped hole being provided on a bottom plate of the mounting seat III;

[0032] An annular gasket is fixed in the stepped hole in a coaxial manner, the top surface of the annular gasket protrudes from the top surface of the bottom plate of the mounting seat III, and the shock absorbing component is placed on the annular gasket;

[0033] A pair of rib plates III facing each other are fixed at the inner bending part of the mounting seat III.

[0034] In some embodiments, the intermediate suspension assembly includes:

[0035] an intermediate suspension leg rigidly connected to the power assembly;

[0036] an intermediate suspension mounting seat rigidly connected to the vehicle frame;

[0037] The shock absorbing component is arranged between the middle suspension leg and the middle suspension mounting seat, and the three are fixed together by bolts and self-locking nuts.

[0038] In some embodiments, the intermediate suspension leg comprises:

[0039] The mounting plate II has a backing plate I and a backing plate II of different thicknesses mounted on the side facing the power assembly, the backing plate I is bonded to the engine, and the backing plate II is bonded to the gearbox, so that the mounting surfaces of the engine and the gearbox are placed on the same plane, the backing plate I and the backing plate II have a plurality of through holes, and the mounting plate II is fixed at the connection between the engine and the gearbox by a plurality of bolts;

[0040] The bending plate II is fixed on the side of the mounting plate II facing the vehicle frame, and the bending plate II is provided with mounting holes for the bolts to pass through.

[0041] In some embodiments, the intermediate suspension mount comprises:

[0042] An L-shaped mounting seat II, a plurality of through holes are arranged on the vertical plate of the mounting seat II, the mounting seat II is fixed to the frame by a plurality of bolts and self-locking nuts, and a stepped hole is arranged on the bottom plate of the mounting seat II;

[0043] An annular pad is fixed in the stepped hole in a coaxial manner, the top surface of the annular pad protrudes from the top surface of the bottom plate of the mounting seat II, and the shock absorbing component is placed on the annular pad;

[0044] A pair of rib plates III facing each other are fixed at the inner bending part of the mounting seat II.

[0045] In a second aspect, the utility model provides a wide-body mining vehicle, comprising a vehicle frame, on which the above-mentioned six-point suspension system for the wide-body mining vehicle is installed.

[0046] Compared with the prior art, the utility model has the following beneficial effects:

[0047] The utility model proposes a six-point suspension system for a wide-body mining vehicle, which can effectively enhance the strength of the connection between an engine and a gearbox and avoid the problem of shell cracking caused by the impact of vibration on the gearbox shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0049] In the attached picture:

[0050] Figure 1 The six-point suspension system of the utility model is shown in FIG. Figure 1 ;

[0051] Figure symbols: 1. Engine; 2. Gearbox; 3. Front end suspension leg; 4. Front end suspension mounting seat; 5. Middle suspension leg; 6. Middle suspension mounting seat; 7. Rear end suspension leg; 8. Rear end suspension mounting seat.

[0052] Figure 2 The six-point suspension system of the utility model is shown in FIG. Figure 2 ;

[0053] Figure symbols: 1. Engine; 2. Gearbox; 3. Front end suspension leg; 4. Front end suspension mounting seat; 5. Middle suspension leg; 6. Middle suspension mounting seat; 7. Rear end suspension leg; 8. Rear end suspension mounting seat; 9. Frame.

[0054] Figure 3 It is a schematic diagram of the front end suspension leg of the utility model;

[0055] Figure symbols: 3-1. Mounting plate I; 3-2. Bending plate I; 3-3. Rib plate I.

[0056] Figure 4 It is a schematic diagram of the front end suspension mounting seat of the utility model;

[0057] Figure symbols: 4-1. Mounting seat I; 4-2. Annular gasket; 4-3. Rib plate II.

[0058] Figure 5 It is a schematic diagram of the middle suspension leg of the utility model;

[0059] Figure identification: 5-1. Mounting plate II; 5-2. Bending plate II; 5-3. Pad I; 5-4. Pad II.

[0060] Figure 6 It is a schematic diagram of the intermediate suspension mounting seat of the utility model;

[0061] Figure symbols: 6-1. Mounting seat II; 6-2. Annular pad; 6-3 Rib plate III.

[0062] Figure 7 It is a schematic diagram of the rear end suspension legs of the utility model;

[0063] Figure symbols: 7-1. Mounting plate III; 7-2. Straight plate; 7-3. Rib plate III.

[0064] Figure 8 It is a schematic diagram of the rear end suspension mounting seat of the utility model;

[0065] Figure symbols: 8-1. Mounting seat III; 8-2. Annular gasket; 8-3. Rib plate III.

[0066] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0067] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0068] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0069] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" 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 a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0070] like Figure 1 , Figure 2 As shown, a six-point suspension system for a wide-body mining vehicle includes a powertrain, a pair of front-end suspension components with a shock-absorbing function, a pair of middle suspension components with a shock-absorbing function, and a pair of rear-end suspension components with a shock-absorbing function; the powertrain is formed by an engine 1 and a gearbox 2 connected by bolts; a pair of front-end suspension components are symmetrically arranged on both sides of the engine 1, one end of the front-end suspension component is rigidly connected to the powertrain, and the other end is rigidly connected to the frame 9; a pair of middle suspension components are symmetrically arranged on both sides of the connection between the engine 1 and the gearbox 2, one end of the middle suspension component is rigidly connected to the powertrain, and the other end is rigidly connected to the frame 9; a pair of rear-end suspension components are symmetrically arranged on both sides of the gearbox 2, one end of the rear-end suspension component is rigidly connected to the powertrain, and the other end is rigidly connected to the frame 9.

[0071] As can be seen from the above, the front-end suspension assembly, the middle suspension assembly and the rear-end suspension assembly are used to separate the powertrain from the frame 9 to avoid rigid contact between them; the shock-absorbing components play the role of vibration isolation and vibration reduction, which can effectively avoid damage to the powertrain caused by various vibrations and protect the powertrain and the entire vehicle.

[0072] The front end suspension assembly described above is further described below.

[0073] like Figure 1 , Figure 2 As shown, the front-end suspension assembly includes a front-end suspension leg 3, a front-end suspension mounting seat 4 and a shock-absorbing component; the front-end suspension leg 3 is rigidly connected to the powertrain; the front-end suspension mounting seat 4 is rigidly connected to the frame 9; the shock-absorbing component is arranged between the front-end suspension leg 3 and the front-end suspension mounting seat 4, and the three are fixed together by bolts and self-locking nuts.

[0074] like Figure 3As shown, the front end suspension leg 3 includes a mounting plate Ⅰ3-1, a bending plate Ⅰ3-2 with a Z-shaped structure and a rib plate Ⅰ3-3; the mounting plate 3-1 has a plurality of through holes, and the mounting plate Ⅰ3-1 is fixed to the engine 1 by a plurality of bolts; the bottom plate of the bending plate Ⅰ3-2 is fixed together with the mounting plate Ⅰ3-1, and the top plate of the bending plate Ⅰ3-2 is provided with mounting holes for the bolts to pass therethrough; a pair of rib plates Ⅰ3-3 opposite to each other fix the mounting plate Ⅰ3-1 and the bending plate Ⅰ3-2 together.

[0075] like Figure 4 As shown, the front-end suspension mounting seat 4 includes a mounting seat Ⅰ4-1, an annular pad 4-2 and a rib plate Ⅱ4-3 in an L-shaped structure; a plurality of through holes are provided on the vertical plate of the mounting seat Ⅰ4-1, and the mounting seat Ⅰ4-1 is fixed to the frame 9 by a plurality of bolts and self-locking nuts, and a stepped hole is provided on the bottom plate of the mounting seat Ⅰ4-1; the annular pad 4-2 is fixed in the stepped hole in a coaxial manner, and the top surface of the annular pad 4-2 protrudes from the top surface of the bottom plate of the mounting seat Ⅰ4-1, and the shock-absorbing component is placed on the annular pad 4-2; a pair of rib plates Ⅱ4-3 opposite to each other are fixed at the inner bending part of the mounting seat Ⅰ4-1.

[0076] The above-mentioned intermediate suspension assembly is further described below.

[0077] like Figure 1 , Figure 2 As shown, the intermediate suspension assembly includes an intermediate suspension leg 5, an intermediate suspension mounting seat 6 and a shock-absorbing component; the intermediate suspension leg 5 is rigidly connected to the powertrain; the intermediate suspension mounting seat 6 is rigidly connected to the frame 9; the shock-absorbing component is arranged between the intermediate suspension leg 5 and the intermediate suspension mounting seat 6, and the three are fixed together by bolts and self-locking nuts.

[0078] like Figure 5 As shown, the middle suspension leg includes a mounting plate II5-1, a bending plate II5-2, a pad I5-3 and a pad II5-4; pads I5-3 and II5-4 of different thicknesses are installed on the side of the mounting plate II5-1 facing the powertrain, pads I5-3 are fitted together with the engine 1, pads II5-4 are fitted together with the gearbox 2, and the mounting surfaces of the engine 1 and the gearbox 2 are placed on the same plane, pads I5-3 and pads II5-4 have a plurality of through holes, and the mounting plate II5-1 is fixed at the connection between the engine 1 and the gearbox 2 by a plurality of bolts; the bending plate II5-2 is fixed on the side of the mounting plate II5-1 facing the frame 9, and the bending plate II5-2 is provided with mounting holes for the bolts to pass through.

[0079] like Figure 6As shown, the intermediate suspension mounting seat includes an L-shaped mounting seat Ⅱ6-1, an annular pad 6-2 and a rib plate III6-3; a plurality of through holes are provided on the vertical plate of the mounting seat Ⅱ6-1, and the mounting seat Ⅱ6-1 is fixed to the frame 9 by a plurality of bolts and self-locking nuts, and a stepped hole is provided on the bottom plate of the mounting seat Ⅱ6-1; the annular pad 6-2 is fixed in the stepped hole in a coaxial manner, and the top surface of the annular pad 6-2 protrudes from the top surface of the bottom plate of the mounting seat Ⅱ6-1, and the shock-absorbing component is placed on the annular pad 6-2; a pair of rib plates III6-3 opposite to each other are fixed at the inner bending part of the mounting seat Ⅱ6-1.

[0080] The above-mentioned rear end suspension assembly is further described below.

[0081] like Figure 1 , Figure 2 As shown, the rear end suspension assembly includes a rear end suspension leg 7, a rear end suspension mounting seat 8 and a shock absorbing component; the rear end suspension leg 7 is rigidly connected to the powertrain; the rear end suspension mounting seat 8 is rigidly connected to the frame 9; the shock absorbing component is arranged between the rear end suspension leg 7 and the rear end suspension mounting seat 8, and the three are fixed together by bolts and self-locking nuts.

[0082] like Figure 7 As shown, the rear end suspension leg includes a mounting plate III7-1, a straight plate 7-2 and a rib plate III7-3; the mounting plate III7-1 has a plurality of through holes, and the mounting plate III7-1 is fixed to the gearbox 2 by a plurality of bolts; the straight plate 7-2 is vertically fixed to the side of the mounting plate III7-1, and the straight plate 7-2 is provided with mounting holes for the bolts to pass therethrough; a pair of rib plates III7-3 opposite to each other fix the mounting plate III7-1 and the straight plate 7-2 together.

[0083] like Figure 8 As shown, the rear end suspension mounting seat 8 includes a mounting seat III8-1, an annular pad 8-2 and a rib plate III8-3 in an L-shaped structure; a plurality of through holes are provided on the vertical plate of the mounting seat III8-1, and the mounting seat III8-1 is fixed to the frame 9 by a plurality of bolts and self-locking nuts, and a stepped hole is provided on the bottom plate of the mounting seat III8-1; the annular pad 8-2 is fixed in the stepped hole in a coaxial manner, and the top surface of the annular pad 8-2 protrudes from the top surface of the bottom plate of the mounting seat III8-1, and the shock absorbing component is placed on the annular pad 8-2; a pair of rib plates III8-3 opposite to each other are fixed at the inner bending part of the mounting seat III8-1.

[0084] It should be noted that the installation of the suspension legs and the suspension mounting base needs to be kept parallel. If the parallelism of the six suspensions cannot be ensured, failure of the suspension at a certain point will result.

[0085] It should be noted that the front end suspension mounting seat 4, the middle suspension mounting seat 6, and the rear end suspension mounting seat 8 are symmetrically installed on the frame 9 by bolts and self-locking nuts. Due to some hole position restrictions on the frame, the left and right mounting seats will be slightly different, but the overall installation method is the same, and the installation planes are parallel, which does not affect the installation consistency.

[0086] It should be noted that the above-mentioned shock-absorbing components are all shock-absorbing pads, which can play the role of vibration isolation and vibration reduction, and can effectively avoid the damage to the powertrain caused by various vibrations, and play a protective role on the powertrain and the entire vehicle.

[0087] In summary, after the front end suspension leg 3, the middle suspension leg 5 and the rear end suspension leg 7 are installed, the powertrain is connected to the front end suspension mounting seat 4, the middle suspension mounting seat 6 and the rear end suspension mounting seat 8 through shock-absorbing pads, bolts and self-locking nuts, so as to separate the powertrain from the frame 9 and avoid rigid contact between them; the shock-absorbing pads can play the role of vibration isolation and vibration reduction, and can effectively avoid the damage to the powertrain caused by various vibrations, and play a protective role for the powertrain and the whole vehicle; the middle suspension leg 5 places the mounting surfaces of the engine 1 and the gearbox 2 on the same plane through the pad I 5-3 and the pad II 5-4, and connects the middle suspension leg 5 to the engine 1 and the gearbox 2 at the same time through bolts, so as to effectively improve the strength of the connection between the engine 1 and the gearbox 2, and avoid the problem of shell cracking caused by the impact of vibration on the gearbox shell.

[0088] The utility model also provides a wide-body mining vehicle, comprising a vehicle frame, on which the six-point suspension system of the wide-body mining vehicle is installed.

[0089] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0090] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0091] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A six-point suspension system for a wide-body mining vehicle, characterized in that: include: The powertrain, formed by the engine and transmission connected by bolts; A pair of front-end suspension components with a shock-absorbing function are symmetrically arranged on both sides of the engine, one end of the front-end suspension component is rigidly connected to the power assembly, and the other end is rigidly connected to the vehicle frame; A pair of intermediate suspension components with a shock absorbing function are symmetrically arranged on both sides of the connection between the engine and the gearbox, one end of the intermediate suspension component is rigidly connected to the power assembly, and the other end is rigidly connected to the vehicle frame; A pair of rear-end suspension components with a shock-absorbing function are symmetrically arranged on both sides of the gearbox, one end of the rear-end suspension component is rigidly connected to the power assembly, and the other end is rigidly connected to the vehicle frame; Wherein, the intermediate suspension assembly comprises: an intermediate suspension leg rigidly connected to the power assembly; an intermediate suspension mounting seat rigidly connected to the vehicle frame; The shock absorbing component is arranged between the middle suspension leg and the middle suspension mounting seat, and the three are fixed together by bolts and self-locking nuts.

2. A six-point suspension system for a wide-body mining vehicle according to claim 1, characterized in that: The front end suspension assembly comprises: A front suspension leg rigidly connected to the power assembly; A front suspension mounting seat rigidly connected to the frame; The shock absorbing component is arranged between the front end suspension leg and the front end suspension mounting seat, and the three are fixed together by bolts and self-locking nuts.

3. A six-point suspension system for a wide-body mining vehicle according to claim 2, characterized in that: The front end suspension leg comprises: A mounting plate I having a plurality of through holes, and the mounting plate I is fixed to the engine by a plurality of bolts; A bending plate I with a Z-shaped structure, the bottom plate of the bending plate I is fixed together with the mounting plate I, and the top plate of the bending plate I is provided with mounting holes for the bolts to pass through; A pair of rib plates I facing each other fix the mounting plate I and the bending plate I together.

4. A six-point suspension system for a wide-body mining vehicle according to claim 2, characterized in that: The front end suspension mounting seat comprises: An L-shaped mounting seat I, a plurality of through holes are arranged on the vertical plate of the mounting seat I, the mounting seat I is fixed to the frame by a plurality of bolts and self-locking nuts, and a stepped hole is arranged on the bottom plate of the mounting seat I; An annular pad is fixed in the stepped hole in a coaxial manner, the top surface of the annular pad protrudes from the top surface of the bottom plate of the mounting seat I, and the shock absorbing component is placed on the annular pad; A pair of rib plates II facing each other are fixed at the inner bending part of the mounting seat I.

5. The six-point suspension system for a wide-body mining vehicle according to claim 1 is characterized in that: The rear end suspension assembly comprises: a rear end suspension leg rigidly connected to the power assembly; a rear end suspension mounting seat rigidly connected to the frame; The shock absorbing component is arranged between the rear end suspension leg and the rear end suspension mounting seat, and the three are fixed together by bolts and self-locking nuts.

6. A six-point suspension system for a wide-body mining vehicle according to claim 5, characterized in that: The rear end suspension leg comprises: A mounting plate III having a plurality of through holes, and the mounting plate III is fixed to the gearbox by a plurality of bolts; A straight plate is vertically fixed to the side of the mounting plate III, and the straight plate is provided with mounting holes for the bolts to pass through; A pair of rib plates III facing each other fix the mounting plate III and the straight plate together.

7. A six-point suspension system for a wide-body mining vehicle according to claim 5, characterized in that: The rear end suspension mounting seat comprises: A mounting seat III having an L-shaped structure, a plurality of through holes being provided on a vertical plate of the mounting seat III, the mounting seat III being fixed to the vehicle frame by a plurality of bolts and self-locking nuts, and a stepped hole being provided on a bottom plate of the mounting seat III; An annular gasket is fixed in the stepped hole in a coaxial manner, the top surface of the annular gasket protrudes from the top surface of the bottom plate of the mounting seat III, and the shock absorbing component is placed on the annular gasket; A pair of rib plates III facing each other are fixed at the inner bending part of the mounting seat III.

8. The six-point suspension system for a wide-body mining vehicle according to claim 1 is characterized in that: The intermediate suspension leg comprises: The mounting plate II has a backing plate I and a backing plate II of different thicknesses mounted on the side facing the power assembly, the backing plate I is bonded to the engine, and the backing plate II is bonded to the gearbox, so that the mounting surfaces of the engine and the gearbox are placed on the same plane, the backing plate I and the backing plate II have a plurality of through holes, and the mounting plate II is fixed at the connection between the engine and the gearbox by a plurality of bolts; The bending plate II is fixed on the side of the mounting plate II facing the vehicle frame, and the bending plate II is provided with mounting holes for the bolts to pass through.

9. A six-point suspension system for a wide-body mining vehicle according to claim 1, characterized in that: The intermediate suspension mounting seat comprises: An L-shaped mounting seat II, a plurality of through holes are arranged on the vertical plate of the mounting seat II, the mounting seat II is fixed to the frame by a plurality of bolts and self-locking nuts, and a stepped hole is arranged on the bottom plate of the mounting seat II; An annular pad is fixed in the stepped hole in a coaxial manner, the top surface of the annular pad protrudes from the top surface of the bottom plate of the mounting seat II, and the shock absorbing component is placed on the annular pad; A pair of rib plates III facing each other are fixed at the inner bending part of the mounting seat II.

10. A wide-body mining vehicle, comprising a vehicle frame, characterized in that: The vehicle frame is equipped with a six-point suspension system for a wide-body mining vehicle as claimed in any one of claims 1 to 9.

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