CN223658259U - A powertrain suspension mechanism and a mining car - Google Patents

Abstract

The utility model belongs to the technical field of vehicle power assemblies, and particularly relates to a power assembly suspension mechanism and an ore vehicle, comprising a frame, wherein the frame is provided with two main longitudinal beams; the front end suspension comprises two first brackets, a connecting cross beam and two first elastic structures, and two rear end suspensions, wherein each rear end suspension comprises a second bracket, a fixed support and a second elastic structure. The utility model forms a two-point structure, enlarges the connection area with the driving motor, ensures that acting force and vibration energy can be uniformly distributed, thereby reducing the damage or failure risk, prolonging the service life, uniformly dispersing load, avoiding stress concentration, improving the reliability, inhibiting the vibration of the connecting bolt, slowing down fatigue release, reducing the vibration influence of the power assembly and ensuring the driving safety by arranging the first elastic structure and the second elastic structure to absorb and isolate vibration.

Description

Power assembly suspension mechanism and mining vehicle

Technical Field

The utility model belongs to the technical field of vehicle power assemblies, and particularly relates to a power assembly suspension mechanism and an ore vehicle.

Background

The powertrain suspension mechanism is a key connecting component between the vehicle powertrain and the frame, bears the heavy duty of stably assembling the powertrain (including an engine, a gearbox and the like) to the whole vehicle, and ensures that the powertrain can be accurately positioned at a preset static position of the powertrain.

In the field of mining vehicles, because the vehicles are always heavy, require long-time operation and often face complex and changeable working environments, the power assembly of the mining vehicle is inevitably affected by long-time vibration, and therefore, the design of a power assembly suspension mechanism is crucial to the overall performance of the mining vehicle.

Currently, the mainstream design scheme of the suspension mechanism of the power assembly mostly adopts a four-point structure, and suspension points of the suspension mechanism are respectively arranged on two sides of a driving motor and a gearbox, and although the design meets the basic requirements of the mining vehicle to a certain extent, obvious defects exist.

Specifically, when the four-point structure is used for connecting a driving motor and a frame, the reliability is relatively low, so that the failure rate is high, meanwhile, in the driving process, the shock absorption performance is poor, the vibration of a connecting bolt is difficult to effectively inhibit, the fatigue loosening process of the bolt is accelerated, and the service life is shortened.

In addition, the stress distribution of the driving motor is uneven, so that the acting force born by the partial areas exceeds the design bearing capacity, the damage or failure risk of the areas is increased, the damage of key components in the driving motor can be further caused, and the performance and the safety of the vehicle are finally adversely affected.

Disclosure of utility model

The utility model aims to provide a power assembly suspension mechanism and a mining truck, which solve the technical problems of low connection reliability, poor damping effect and uneven stress distribution of the existing power assembly suspension mechanism.

In a first aspect, the utility model discloses a powertrain suspension mechanism and a mining vehicle, comprising:

the vehicle frame is provided with two main longitudinal beams which are horizontally arranged, and the main longitudinal beams are arranged side by side at intervals;

Front end suspension, comprising:

the two first brackets are oppositely arranged and respectively arranged at the inner sides of the two main longitudinal beams,

A connecting beam horizontally arranged, two ends of the connecting beam are respectively supported by one first bracket,

The two first elastic structures are respectively arranged at two ends of the connecting beam and are used for elastically connecting the connecting beam with the two first brackets;

two rear end suspensions, relative setting, every the rear end suspension includes:

A second bracket installed inside the main longitudinal beam,

A fixed support, which is supported on the second bracket,

The second elastic structure is arranged between the fixed support and the second support and is used for elastically connecting the fixed support and the second support.

The application forms a two-point structure, enlarges the connection area with the driving motor, ensures that acting force and vibration energy can be uniformly distributed, thereby reducing the damage or failure risk, prolonging the service life, uniformly dispersing load, avoiding stress concentration, improving the reliability, inhibiting the vibration of the connecting bolt, slowing down fatigue release, reducing the vibration influence of the power assembly and ensuring the driving safety by arranging the first elastic structure and the second elastic structure to absorb and isolate vibration.

Based on the technical scheme, the scheme of the application can be improved as follows:

Preferably, the connecting beam includes:

The concave plate is provided with an upward opening;

the reinforcing ribs are arranged at intervals along the axial direction and fixedly arranged on the inner side of the concave plate;

The reinforcing plate is horizontally arranged and mounted on the inner bottom surface of the concave plate, and by adopting the scheme, the structure has remarkable advantages in the aspects of structural strength, rigidity, stability and the like, is easy to manufacture, install and maintain, and can meet the application requirements of bearing larger load and having higher stability requirements.

Preferably, the first bracket includes:

A first base plate vertically arranged and mounted inside the main longitudinal beam;

the first transverse plate is horizontally arranged and arranged outside the first substrate;

By adopting the scheme, a stable supporting structure is formed, the load from the upper part can be effectively born and transferred to the main longitudinal beam, the lateral rigidity of the bracket is increased through the first vertical plates, the bracket is prevented from being laterally deformed when being stressed, and the triangular supporting structure is formed by mutually matching, so that the overall stability of the bracket is further enhanced.

Preferably, the first elastic structure comprises:

a first nut;

a first flexible pad disposed between the concave plate and the first cross plate;

A second flexible pad disposed on an inner bottom surface of the concave plate;

a first cover plate disposed on a top surface of the second flexible pad;

By adopting the scheme, the effective absorption and buffering of vibration and impact are realized, the vibration and impact can be prevented from being transmitted to the concave plate, so that the stability and the reliability of the power assembly are improved, the power assembly is stable in connection, convenient to assemble and convenient to manufacture.

Preferably, the second bracket includes:

A second base plate vertically arranged and mounted inside the main longitudinal beam;

the Z-shaped plate is horizontally arranged and arranged outside the second substrate;

By adopting the scheme, a horizontal supporting surface is formed at the side of the gearbox, can effectively bear load from the upper part and transmit the load to the main longitudinal beam, lateral rigidity is increased through the second vertical plates, lateral deformation is prevented when the load is applied, and a triangular supporting structure is formed by mutual matching, so that the overall stability of the bracket is further enhanced.

Preferably, the fixing support includes:

A third substrate vertically arranged;

The second transverse plate is horizontally arranged and arranged on the inner side of the third substrate;

By adopting the scheme, a stable supporting structure is formed, bearing can be effectively transferred to the second bracket, lateral rigidity is increased through the third base plate, lateral deformation of the third base plate is prevented when the third base plate is stressed, and the overall stability is further enhanced through the triangular supporting structure formed by mutual matching.

Preferably, the second elastic structure comprises:

a second nut;

A third flexible pad disposed between the second cross plate and a lower top surface of the Z-shaped plate;

a fourth flexible pad disposed on the second cross plate;

a second cover plate disposed on a top surface of the fourth flexible pad;

By adopting the scheme, the effective absorption and buffering of vibration and impact are realized, the vibration and impact can be prevented from being transmitted to the fixed support, so that the stability and the reliability of the power assembly are improved, the power assembly is stable in connection, convenient to assemble and convenient to manufacture.

In a second aspect, the utility model discloses a mining vehicle comprising the powertrain suspension mechanism of any one of the above.

Through the technical scheme, the utility model has the following beneficial effects:

1. The application forms a two-point structure, the connection area between the two-point structure and the driving motor is obviously enlarged, so that acting force and vibration energy are more uniformly distributed on the driving motor, and the overlarge acting force born by the local area of the two-point structure is avoided, so that the acting force born by each part is kept within the designed bearing capacity range, the damage or failure risk caused by the overlarge acting force is reduced, and the service life is prolonged;

2. The application enlarges the connection area with the driving motor, ensures the connection stability of the connecting beam and the driving motor, and ensures that the load can be uniformly dispersed and transferred to the first bracket by respectively supporting the two ends of the connecting beam by the first bracket, thereby avoiding stress concentration, improving the reliability and reducing the failure rate;

3. According to the application, the first elastic structure and the second elastic structure are arranged, so that the vibration transmitted by the main longitudinal beam can be effectively absorbed and isolated, the vibration of the connecting bolt is further effectively restrained, the fatigue loosening process of the bolt is slowed down, the service life is prolonged, the vibration influence of the power assembly is reduced, and the driving safety is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a rear view of a suspension mechanism of a powertrain according to an embodiment;

FIG. 2 is a schematic view of a front side view of a suspension mechanism of a powertrain according to an embodiment;

FIG. 3 is a top view of a powertrain suspension according to an embodiment;

FIG. 4 is a schematic view of a powertrain suspension mechanism according to an embodiment from a rear lower perspective;

reference numerals illustrate:

1. A frame, 11, a main longitudinal beam;

2. Front end suspension, 21, a first bracket, 211, a first base plate, 212, a first transverse plate, 213, a first vertical plate, 22, a connecting transverse beam, 221, a concave plate, 222, a reinforcing rib, 223, a reinforcing plate, 23, a first elastic structure, 231, a first nut, 232, a first flexible pad, 233, a second flexible pad, 234, a first cover plate, 235 and a first bolt;

3. rear end suspension, 31, second bracket, 311, second base plate, 312, Z-shaped plate, 313, second vertical plate, 32, fixed support, 321, third base plate, 322, second transverse plate, 323, third vertical plate, 33, second elastic structure, 331, second nut, 332, third flexible pad, 333, fourth flexible pad, 334, second cover plate, 335, second bolt.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

It should be noted that, in the following description, terms such as "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like are used in terms of the suspension mechanism of the power train and the direction of the components in the mining vehicle, and the like, which are used for clarity of description, are used for convenience of description and simplicity of description, and are not meant to indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and thus, features defining "first," "second," or the like, may explicitly or implicitly include one or more of such features.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, directly connected, indirectly connected through an intermediary, or in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Examples:

As shown in fig. 1 to 4, the embodiment of the application discloses a power assembly suspension mechanism for mounting a power assembly on a vehicle frame 1, which specifically comprises the vehicle frame 1, a front end suspension 2 and two rear end suspensions 3.

The frame 1 has two main stringers 11 arranged horizontally and arranged side by side with a spacing between the main stringers 11 for providing a stable support basis for the suspension mechanism.

The front end suspension 2 is used for supporting a driving motor and comprises two first brackets 21, a connecting beam 22 and two first elastic structures 23, wherein the two first elastic structures are specifically arranged as follows:

The two first brackets 21 are oppositely arranged and respectively arranged on the inner sides of the two main stringers 11 for providing a stable supporting platform;

The connecting beam 22 is horizontally arranged, and both ends are respectively supported by a first bracket 21 for forming a stable connecting bridge, thereby transmitting and dispersing the load of the power assembly;

The two first elastic structures 23 are respectively arranged at two ends of the connecting beam 22, and are used for elastically connecting the connecting beam 22 with the two first brackets 21, so that vibration is effectively absorbed and isolated, and the power assembly is prevented from being affected by the vibration.

The two rear end suspensions 3 are arranged opposite to each other for supporting the gearbox on both sides, thereby ensuring overall stability.

Each rear end suspension 3 comprises a second bracket 31, a fixed support 32 and a second elastic structure 33, which is specifically arranged:

the second brackets 31 are installed inside the main stringers 11, providing the necessary supporting foundation;

the fixed support 32 is supported on the second bracket 31 for connecting and fixing the transmission;

The second elastic structure 33 is disposed between the fixed support 32 and the second bracket 31, and is used for elastically connecting the fixed support 32 and the second bracket, so as to effectively absorb and isolate vibration, and prevent the power assembly from being affected by the vibration.

The technical scheme is that the installation mode is as follows:

After the installation, the connecting beam 22 spans over the driving motor and is detachably connected with the top surface of the driving motor through a plurality of groups of connecting bolts, and the two fixed supports 32 are respectively positioned on two sides of the gearbox and are detachably connected with the side surface of the gearbox through a plurality of connecting bolts.

Through the design, the application has the following technical effects:

firstly, a two-point structure is formed, the connection area between the two-point structure and the driving motor is obviously enlarged, so that acting force and vibration energy are more uniformly distributed on the driving motor, and the situation that the local area of the driving motor bears excessive acting force is avoided, so that the acting force borne by each part is kept within the designed bearing capacity range, the damage or failure risk caused by the excessive acting force is reduced, and the service life is prolonged;

Secondly, the connection area with the driving motor is enlarged, the connection stability of the connecting beam 22 and the driving motor is ensured, and the two ends of the connecting beam 22 are respectively supported by a first bracket 21, so that the load can be uniformly and dispersedly transferred to the first bracket 21, thereby avoiding stress concentration, improving the reliability and reducing the failure rate;

Finally, by arranging the first elastic structure 23 and the second elastic structure 33, the vibration transmitted by the main longitudinal beam 11 can be effectively absorbed and isolated, so that the vibration of the connecting bolt is effectively restrained, the fatigue loosening process of the bolt is slowed down, the service life is prolonged, the vibration influence of the power assembly is reduced, and the driving safety is ensured.

In some embodiments, as shown in FIG. 1, the connecting beam 22 includes a concave plate 221, a plurality of reinforcing ribs 222, and a reinforcing plate 223 configured to:

The concave plate 221 is provided with an upward opening for bearing main load transmission and supporting functions, and the concave design improves the bending deformation resistance, so that the concave plate is more stable when bearing vertical load, is not easy to deform, and distributes stress to a larger area, thereby reducing stress concentration phenomenon, being beneficial to prolonging the service life and improving the durability;

the plurality of reinforcing ribs 222 are arranged at intervals along the axial direction and fixedly arranged on the inner side of the concave plate 221, so that the bending resistance and the shearing resistance bearing capacity are improved by increasing the cross-sectional area and the moment of inertia, the load is further dispersed, the stress concentration is reduced, and the service life is prolonged;

The reinforcement plate 223 is horizontally disposed and installed on the inner bottom surface of the concave plate 221 to increase the rigidity of the bottom of the beam, thereby improving the overall stability, dispersing the load applied to the bottom, and reducing the stress concentration, thereby enhancing the durability.

Illustratively, the reinforcement plate 223 has a rectangular shape and is mounted and fixed at four corners by being coupled with the driving motor together by coupling bolts, which is convenient for installation and improves the production efficiency, but is not limited thereto and is not particularly limited.

Through the design of the connecting beam 22, the connecting beam has remarkable advantages in structural strength, rigidity, stability and the like, is easy to manufacture, install and maintain, and can meet the application requirements of bearing large load and having high stability requirements.

In some embodiments, as shown in FIG. 4, the first bracket 21 includes a first base 211, a first cross plate 212, and two first risers 213 arranged to:

the first base plate 211 is vertically disposed and mounted on the inner side of the main girder 11, preferably by a plurality of bolts, which can provide a stable supporting surface, ensure tight connection with the inner side of the main girder 11, and thus enhance the overall stability and bearing capacity;

the first transverse plate 212 is horizontally arranged and arranged outside the first substrate 211, and is used for providing a horizontal supporting surface, so that the supporting area is enlarged, and the supporting effect is ensured;

The two first risers 213 are respectively disposed on two sides of the first transverse plate 212 and connected with the first base plate 211, so as to form a stable triangular supporting structure, and can effectively resist loads in various directions, thereby increasing the lateral rigidity of the first transverse plate 212 and preventing the first transverse plate 212 from being laterally deformed when being stressed.

Preferably, the first substrate 211 and the first transverse plate 212 are integrally formed and have an L-shaped structure, thereby reducing production time and cost and improving overall quality and reliability of the product.

Through the design to the first bracket 21, a stable supporting structure is formed, and the supporting structure can effectively bear the load from the upper part and transmit the load to the main longitudinal beam 11, and the lateral rigidity of the bracket is increased through the first vertical plate 213, so that the bracket is prevented from being laterally deformed when being stressed, and the triangular supporting structure is formed by mutually matching, so that the overall stability of the bracket is further enhanced.

On the basis of the above embodiment, as shown in fig. 1 to 4, the first elastic structure 23 includes a first nut 231, a first flexible pad 232, a second flexible pad 233, a first cover plate 234, and a first bolt 235, which are configured to:

a first nut 231;

A first flexible pad 232, preferably a rubber pad, is disposed between the concave plate 221 and the first cross plate 212 for providing resilience and cushioning;

a second flexible pad 233, preferably a rubber pad, is disposed on the inner bottom surface of the concave plate 221 for providing elasticity and cushioning;

The first cover plate 234 is disposed on the top surface of the second flexible pad 233 for securing the flexible pad against displacement or removal during use and may provide additional support and protection;

The first bolts 235 sequentially pass through the first cover plate 234, the second flexible pad 233, the concave plate 221, the first flexible pad 232 and the first cross plate 212 and then are in threaded connection with the first nuts 231, so that tight fit and stable connection of all components are ensured, and the rigidity and buffering effect can be correspondingly adjusted by adjusting the fastening degree.

Through the design to the first elastic structure 23, the vibration and impact can be effectively absorbed and buffered, and the vibration and impact can be prevented from being transmitted to the concave plate 221, so that the stability and reliability of the power assembly are improved, and the power assembly is stable in connection, convenient to assemble and convenient to manufacture.

In some embodiments, as shown in fig. 1 to 4, the second bracket 31 includes a second base plate 311, a Z-shaped plate 312, and two second risers 313, which are specifically configured to:

The second base plate 311 is vertically disposed and mounted on the inner side of the main girder 11, preferably by a plurality of bolts, which can provide a stable supporting surface to ensure tight connection with the inner side of the main girder 11, thereby enhancing overall stability and bearing capacity;

The Z-shaped plate 312 is horizontally arranged and arranged outside the second substrate 311, and is used for providing a horizontal supporting surface at the side of the gearbox, so that the supporting area is enlarged, and the supporting effect is ensured;

The two second vertical plates 313 are respectively arranged at two sides of the Z-shaped plate 312 and connected with the second base plate 311, and are used for increasing the lateral rigidity of the Z-shaped plate 312, preventing the Z-shaped plate 312 from lateral deformation when being stressed, forming a stable triangular supporting structure, and effectively resisting loads in various directions.

Preferably, the second substrate 311 and the Z-shaped plate 312 are integrally formed, reducing production time and cost, and improving overall quality and reliability of the product.

Through the design to the second support 31, a horizontal supporting surface is formed at the side of the gearbox, so that the load from the upper part can be effectively borne and transferred to the main longitudinal beam 11, and the lateral rigidity is increased through the second vertical plate 313, so that the lateral deformation is prevented when the load is applied, and the triangular supporting structure is formed by mutually matching, so that the overall stability of the support is further enhanced.

In some embodiments, as shown in fig. 1-4, the fixing support 32 includes a third base plate 321, a second transverse plate 322, and two third vertical plates 323 configured to:

The third base plate 321 is arranged vertically, provides a stable supporting surface, ensures tight connection with the side surface of the gearbox, and enhances the overall stability and bearing capacity;

The second transverse plate 322 is horizontally arranged and arranged on the inner side of the third base plate 321 and is used for providing a horizontal supporting surface, so that the supporting area is enlarged, and the supporting effect is ensured;

The two third risers 323 are disposed at two sides of the second transverse plate 322 and connected with the third base plate 321, for increasing the lateral rigidity of the second transverse plate 322, preventing the second transverse plate 322 from lateral deformation when being stressed, and forming a stable triangular supporting structure, so as to effectively resist loads in various directions.

Preferably, the third base plate 321 and the second transverse plate 322 are integrally formed, thereby reducing production time and cost and improving overall quality and reliability of the product.

Through the design to the fixed support 32, a stable supporting structure is formed, the bearing can be effectively transferred to the second bracket 31, and the lateral rigidity is increased through the third base plate 321, so that the lateral deformation of the bearing is prevented when the bearing is stressed, and the overall stability is further enhanced through the triangular supporting structure formed by mutual matching.

On the basis of the above embodiment, as shown in fig. 1 to 4, the second elastic structure 33 includes a second nut 331, a third flexible pad 332, a fourth flexible pad 333, a second cover plate 334 and a second bolt 335, which are specifically configured as follows:

a second nut 331;

A third flexible pad 332, preferably a rubber pad, disposed between the second cross plate 322 and the lower top surface of the Z-plate 312 for providing resiliency and cushioning;

a fourth flexible pad 333, preferably a rubber pad, is disposed on the second cross plate 322 for providing resilience and cushioning;

The second cover plate 334 is disposed on the top surface of the fourth flexible pad 333 for securing the flexible pad against displacement or falling off during use and may provide additional support and protection;

The second bolts 335 sequentially pass through the second cover plate 334, the fourth flexible pads 333, the second transverse plate 322, the third flexible pads 332 and the Z-shaped plate 312 and then are in threaded connection with the second nuts 331, which ensures tight fit and stable connection of all components, and can correspondingly adjust rigidity and buffering effect by adjusting fastening degree.

Through the design to the second elastic structure 33, the vibration and impact can be effectively absorbed and buffered, and the vibration and impact can be prevented from being transmitted to the fixed support 32, so that the stability and the reliability of the power assembly are improved, and the power assembly is stable in connection, convenient to assemble and convenient to manufacture.

The embodiment of the application also discloses a mining vehicle, which comprises the power assembly suspension mechanism.

In the description of the present utility model, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

It should be noted that the above embodiments are only used to illustrate the technical solution of the present utility model, but not to limit the technical solution of the present utility model, and although the detailed description of the present utility model is given with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present utility model, and all the modifications or substitutions are included in the scope of the claims and the specification of the present utility model.

Claims (8)

1. A suspension mechanism of a power assembly, characterized by comprising the following steps:

the vehicle frame is provided with two main longitudinal beams which are horizontally arranged, and the main longitudinal beams are arranged side by side at intervals;

Front end suspension, comprising:

the two first brackets are oppositely arranged and respectively arranged at the inner sides of the two main longitudinal beams,

A connecting beam horizontally arranged, two ends of the connecting beam are respectively supported by one first bracket,

The two first elastic structures are respectively arranged at two ends of the connecting beam and are used for elastically connecting the connecting beam with the two first brackets;

two rear end suspensions, relative setting, every the rear end suspension includes:

A second bracket installed inside the main longitudinal beam,

A fixed support, which is supported on the second bracket,

The second elastic structure is arranged between the fixed support and the second support and is used for elastically connecting the fixed support and the second support.

2. The locomotion assembly suspension mechanism of claim 1, wherein the connecting cross-beam comprises:

The concave plate is provided with an upward opening;

the reinforcing ribs are arranged at intervals along the axial direction and fixedly arranged on the inner side of the concave plate;

The reinforcing plate is horizontally arranged and is arranged on the inner bottom surface of the concave plate.

3. The locomotion assembly suspension mechanism of claim 2, wherein the first bracket comprises:

A first base plate vertically arranged and mounted inside the main longitudinal beam;

the first transverse plate is horizontally arranged and arranged outside the first substrate;

and the two first vertical plates are respectively arranged at two sides of the first transverse plate and are connected with the first base plate.

4. A locomotion assembly suspension according to claim 3, characterized in that the first elastic structure comprises:

a first nut;

a first flexible pad disposed between the concave plate and the first cross plate;

A second flexible pad disposed on an inner bottom surface of the concave plate;

a first cover plate disposed on a top surface of the second flexible pad;

The first bolt sequentially passes through the first cover plate, the second flexible pad, the concave plate, the first flexible pad and the first transverse plate and then is in threaded connection with the first nut.

5. The locomotion assembly suspension mechanism of claim 2, wherein the second bracket comprises:

A second base plate vertically arranged and mounted inside the main longitudinal beam;

the Z-shaped plate is horizontally arranged and arranged outside the second substrate;

And the two second vertical plates are respectively arranged at two sides of the Z-shaped plate and are connected with the second base plate.

6. The locomotion assembly suspension mechanism of claim 5, wherein the fixed support comprises:

A third substrate vertically arranged;

The second transverse plate is horizontally arranged and arranged on the inner side of the third substrate;

and the two third vertical plates are arranged on two sides of the second transverse plate and are connected with the third base plate.

7. The locomotion assembly suspension mechanism of claim 6, wherein the second elastic structure comprises:

a second nut;

A third flexible pad disposed between the second cross plate and a lower top surface of the Z-shaped plate;

a fourth flexible pad disposed on the second cross plate;

a second cover plate disposed on a top surface of the fourth flexible pad;

and the second bolt sequentially passes through the second cover plate, the fourth flexible pad, the second transverse plate, the third flexible pad and the Z-shaped plate and then is in threaded connection with the second nut.

8. A mining truck comprising the powertrain suspension mechanism of any one of claims 1-7.