CN218594119U

CN218594119U - Power assembly mounting structure and operation machine

Info

Publication number: CN218594119U
Application number: CN202223103970.3U
Authority: CN
Inventors: 王培林; 孙大亮; 钱浩
Original assignee: Sany Heavy Machinery Ltd
Current assignee: Sany Heavy Machinery Ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-10
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to an operation machinery technical field provides a power assembly mounting structure and operation machinery. The power assembly mounting structure comprises a first frame fixing plate, a second frame fixing plate, an electric driving connecting frame and a transition connecting plate. The electric drive connecting frame is used for connecting the power assembly. One end of the first frame fixing plate is used for being connected with the rear frame, and the other end of the first frame fixing plate is connected with the electric driving connecting frame. The electric drive connecting frame is connected with one end of the second frame fixing plate through the transition connecting plate, and the other end of the second frame fixing plate is connected with the rear frame. The second frame fixing plate is arranged on one side close to the gear shifting mechanism of the power assembly. Through this kind of structure setting, can reduce the horizontal extension length of second frame fixed plate, the space is dodged to the horizontal of increase second frame fixed plate, provides sufficient horizontal space of transferring for power assembly's gearshift. Therefore, the phenomenon that the gear shifting mechanism collides with the second frame fixing plate in the process of lowering the power assembly can be avoided.

Description

Power assembly mounting structure and operation machine

Technical Field

The utility model relates to an operation machinery technical field especially relates to a power assembly mounting structure and operation machinery.

Background

The power train of an electric loader is typically mounted on the rear frame. In the prior art, the powertrain mounting structure generally includes an electric drive bracket and a fixed plate. The power assembly is connected with an electrically driven bracket which is directly connected with a fixing plate welded on the rear frame. In the process of installing the power assembly, the electric drive bracket is connected with the power assembly, and then the power assembly and the electric drive bracket are integrally placed to the fixing plate from the upper part of the rear frame, so that the electric drive bracket is connected with the fixing plate. In the process of integrally lowering the power assembly and electrically driving the bracket, a gear shifting mechanism in the power assembly is easy to collide with a fixed plate on a rear frame.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power assembly mounting structure and operation machinery for solve or improve among the prior art when the installation power assembly the gearshift of power assembly easy and the fixed plate of back frame problem that bumps.

According to the utility model discloses an aspect provides a power assembly mounting structure, including first frame fixed plate, second frame fixed plate, electricity drive link and transition connecting plate.

Wherein, the electricity drives the link and is used for connecting the power assembly. One end of the first vehicle frame fixing plate is used for being connected with a rear vehicle frame, and the other end of the first vehicle frame fixing plate is connected with the electric driving connecting frame. The electric drive connecting frame is connected with one end of the second frame fixing plate through the transition connecting plate, and the other end of the second frame fixing plate is used for being connected with the rear frame. The second frame fixing plate is arranged on one side close to a gear shifting mechanism of the power assembly.

According to the utility model provides a pair of power assembly mounting structure, the link that drives electrically includes that first electricity drives the support. The first electric drive bracket is connected with the second frame fixing plate through the transition connecting plate.

According to the utility model provides a pair of power assembly mounting structure, it drives the support still to include that the second drives support, third electricity and drives the support and the fourth electricity drives the support to drive the link. The first electrically-driven support and the second electrically-driven support are arranged at intervals to one side of the power assembly. And the third electric driving support and the fourth electric driving support are arranged at intervals to the other side of the power assembly.

The first frame fixing plate comprises a first fixing plate body, a second fixing plate body and a third fixing plate body. The second electric drive support is connected with the first fixing plate body. And the third electric driving support is connected with the second fixing plate body. The fourth electric driving support is connected with the third fixing plate body.

According to the utility model provides a pair of power assembly mounting structure, first electricity drive the support the second electricity drive the support the third electricity drive the support and the fourth electricity drives the support and all includes vertical support plate and horizontal support plate. The vertical supporting plate is used for being attached to and connected with the power assembly. The horizontal support plate is attached to the first frame fixing plate or the transition connecting plate.

According to the utility model provides a pair of power assembly mounting structure, horizontal support board with first frame fixed plate perhaps all connect through the fastener between the transition connecting plate.

According to the utility model provides a pair of power assembly mounting structure, electrically drive the link with first frame fixed plate perhaps all install damping device between the transition connecting plate.

According to the utility model provides a pair of power assembly mounting structure, damping device includes first shock attenuation body and second shock attenuation body. And an extrusion inclined plane is arranged on the first shock absorption body. And the second shock absorption body is provided with an extrusion fit inclined plane.

The first shock absorber and the second shock absorber are respectively located on two sides of the horizontal support plate. And one end of the second shock absorber is penetrated and arranged to the other side of the horizontal support plate from one side of the horizontal support plate, so that the extrusion matching inclined plane is attached to the extrusion inclined plane. The fastener is connected among the first shock absorber, the horizontal support plate, the second shock absorber, the transition connecting plate or the first frame fixing plate in a penetrating mode.

According to the utility model provides a pair of power assembly mounting structure, damping device still includes the stay tube. One end of the supporting pipe is connected to the inner cavity of the second shock absorption body in an inserted mode, and the other end of the supporting pipe extends to the outside of the second shock absorption body. And under the state that the extrusion matching inclined plane is attached to the extrusion inclined plane, the other end of the supporting pipe is inserted into the inner cavity of the first damping body so as to form support protection on the damping device.

According to the utility model provides a pair of power assembly mounting structure, first shock attenuation body with install the gasket between the binding face of fastener.

According to the utility model discloses a second aspect provides a working machine, reach as above power assembly mounting structure including back frame, power assembly.

The first frame fixing plate and the second frame fixing plate are connected with the rear frame. The power assembly is connected with the electric driving connecting frame. The electric drive connecting frame is connected with the first frame fixing plate and the second frame fixing plate.

The utility model provides an among the power assembly mounting structure, power assembly and the electricity drive link connection. The power assembly comprises a motor and a gearbox. The gearbox is provided with a gear shifting mechanism. The rear frame is connected with a first frame fixing plate and a second frame fixing plate. Wherein, the electric drive connecting frame is directly connected with the first frame fixing plate. The second frame fixing plate is arranged to one side of the gear shifting mechanism close to the power assembly. The electric drive connecting frame is connected with the second frame fixing plate through the transition connecting plate. From this, can reduce the horizontal extension length of second frame fixed plate to the space is dodged to the horizontal of increase second frame fixed plate, and then, provides sufficient horizontal space of transferring for the gearshift of power assembly.

In the process of installing the power assembly, the power assembly is connected to the electric driving connecting frame, the transition connecting plate is connected to the electric driving connecting frame, then the power assembly, the electric driving connecting frame and the transition connecting plate are integrally placed to the first frame fixing plate and the second frame fixing plate, and finally the first frame fixing plate is connected with the electric driving connecting frame and the transition connecting plate is connected with the second frame fixing plate.

Through the structure setting, the second frame connecting plate is arranged to one side close to the power assembly gear shifting mechanism, and the second frame fixing plate is connected with the electric driving connecting frame through the transition connecting plate, so that the transverse extension length of the second frame fixing plate can be reduced, the transverse avoiding space of the second frame fixing plate is increased, and further, the sufficient transverse lowering space is provided for the gear shifting mechanism of the power assembly. Therefore, the phenomenon that the gear shifting mechanism collides with the second frame fixing plate in the process of lowering the power assembly can be avoided.

Further, the present invention provides a working machine including the power train mounting structure described above, which also has the advantages described above.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic top view of a part of a structure of a working machine according to the present invention;

fig. 2 is a schematic side view of a part of a structure of a working machine according to the present invention;

FIG. 3 is a schematic structural view of a damping device in a powertrain mounting structure provided by the present invention;

reference numerals:

101. a first fixed plate body; 102. a second fixed plate body; 103. a third fixed plate body; 200. a second frame fixing plate; 301. a first electrically driven support; 302. a second electrically driven support; 303. a third electrically driven support; 304. a fourth electrically driven support; 401. a vertical support plate; 402. a horizontal support plate; 500. a power assembly; 501. a gear shift mechanism; 600. a transition connecting plate; 701. fastening a bolt; 702. a nut; 800. a shock-absorbing device; 801. a first damper; 802. a second damper; 803. extruding the inclined plane; 804. extruding and matching the inclined plane; 805. supporting a tube; 806. a gasket; 900. a rear frame.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, without mutual contradiction, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification to make the objects, technical solutions, and advantages of the embodiments of the present invention clearer, and the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A power assembly mounting structure and a working machine according to an embodiment of the present invention will be described with reference to fig. 1 to 3. It should be understood that the following description is only exemplary of the present invention, and is not intended to limit the present invention in any way.

An embodiment of the first aspect of the present invention provides a power assembly mounting structure, as shown in fig. 1 and 2, the power assembly mounting structure includes: a first frame mounting plate, a second frame mounting plate 200, an electric drive link, and a transition link 600.

Wherein the electrically driven link is used to connect to the powertrain 500. One end of the first frame fixing plate is used for being connected with the rear frame 900, and the other end of the first frame fixing plate is connected with the electric driving connecting frame. The electric-driven link is connected to one end of the second frame fixing plate 200 through the transition connecting plate 600, and the other end of the second frame fixing plate 200 is used to be connected to the rear frame 900. The second frame fixing plate 200 is disposed on a side close to the shift mechanism 501 of the powertrain 500.

The utility model provides an among the power assembly mounting structure, power assembly 500 is connected with the electricity and drives the link. Powertrain 500 includes an electric motor and a transmission. The gearbox is provided with a gear shift 501. The rear frame 900 is connected to a first frame fixing plate and a second frame fixing plate 200. Wherein, the electric drive connecting frame is directly connected with the first frame fixing plate. The second frame securing plate 200 is routed to the side of the gearshift 501 adjacent to the powertrain 500. The electric drive link is connected to the second frame mounting plate 200 via a transition connection plate 600. Therefore, the transverse extension length of the second frame fixing plate 200 can be reduced to increase the transverse avoiding space of the second frame fixing plate 200, and further, a sufficient transverse lowering space is provided for the gear shifting mechanism 501 of the powertrain 500.

In the process of assembling the powertrain 500, the powertrain 500 is first connected to the electric-driven connecting frame, the transition connecting plate 600 is then connected to the electric-driven connecting frame, the powertrain 500, the electric-driven connecting frame and the transition connecting plate 600 are then integrally lowered to the first frame fixing plate and the second frame fixing plate 200, and finally the first frame fixing plate is connected to the electric-driven connecting frame and the transition connecting plate 600 is connected to the second frame fixing plate 200.

Through this kind of structural setting, the second frame connecting plate is laid to the one side that is close to power assembly 500 gearshift 501, and second frame fixing plate 200 is connected with the electricity through transition connecting plate 600, can reduce the horizontal extension length of second frame fixing plate 200, and the space is dodged to the horizontal of increase second frame fixing plate 200, and then, provides sufficient horizontal space of transferring for power assembly 500's gearshift 501. Therefore, the phenomenon that the shifting mechanism 501 collides with the second frame fixing plate 200 in the process of lowering the powertrain 500 can be avoided.

In one embodiment of the present invention, the electric drive connection bracket includes a first electric drive bracket 301. The first electric drive bracket 301 is connected to the second frame fastening plate 200 via a transition connection plate 600.

Further, in an embodiment of the present invention, the electrically driven connecting frame further includes a second electrically driven bracket 302, a third electrically driven bracket 303, and a fourth electrically driven bracket 304. First and second electro-driven

brackets

301 and 302 are spaced apart to one side of powertrain 500. And the third electric drive support 303 and the fourth electric drive support 304 are arranged at intervals to the other side of the power assembly 500.

The first frame fixing plate includes a first fixing plate body 101, a second fixing plate body 102, and a third fixing plate body 103. The second electric drive bracket 302 is connected to the first fixed plate 101. The third electric drive bracket 303 is connected to the second fixed plate 102. The fourth electric drive bracket 304 is connected to the third fixed plate body 103.

For example, as described with reference to FIG. 1, in the orientation shown in FIG. 1, first electric-drive bracket 301 and second electric-drive bracket 302 are spaced apart to the right of powertrain 500, and third electric-drive bracket 303 and fourth electric-drive bracket 304 are spaced apart to the left of powertrain 500. The first fixing plate 101, the second fixing plate 102, the third fixing plate 103 and the second frame fixing plate 200 are welded to the inner side of the rear frame 900, respectively. The first fixing plate 101 corresponds to the second electric driving support 302, the second fixing plate 102 corresponds to the third electric driving support 303, the third fixing plate 103 corresponds to the fourth electric driving support 304, and the second frame fixing plate 200 corresponds to the first electric driving support 301. The first electric drive bracket 301 is connected to the transition connection plate 600 and the powertrain 500 by fasteners such as bolts. The transition connection plate 600 is connected to the second frame fixing plate 200 by a fastener such as a bolt. Similarly, the second electric drive bracket 302, the third electric drive bracket 303 and the fourth electric drive bracket 304 may be connected with the power assembly 500 and the first fixed plate 101, the second fixed plate 102 or the third fixed plate 103 by fasteners such as bolts.

In one embodiment of the present invention, first electrically driven support 301, second electrically driven support 302, third electrically driven support 303, and fourth electrically driven support 304 each include vertical support plate 401 and horizontal support plate 402. The vertical support plate 401 is used for being attached to the power assembly 500. The horizontal support plate 402 is attached to the first frame fixing plate or the transition connecting plate 600.

Further, in an embodiment of the present invention, the horizontal support plate 402 and the first frame fixing plate or the transition connecting plate 600 are connected by a fastener. For example, the fastener includes a fastening bolt 701 and a nut 702.

For example, as shown in fig. 2, first electric drive bracket 301, second electric drive bracket 302, third electric drive bracket 303, and fourth electric drive bracket 304 are identical in structure and each include a horizontal support plate 402 and a vertical support plate 401. The vertical support plate 401 is connected to the inner side surface of the horizontal support plate 402. The power assembly 500 is provided with a matching surface for being attached to each vertical support plate 401. Each vertical support plate 401 is attached to the mating surface and then connected thereto by a fastener.

The horizontal support plate 402 of the first electric drive bracket 301 is attached to the upper side of the transition connection plate 600, and the lower side of the transition connection plate 600 is attached to the upper side of the second frame fixing plate 200. The fastening bolt 701 passes through the transition connection plate 600 from the upper side of the horizontal support plate 402 and extends to the lower side of the second frame fixing plate 200 to be coupled to the nut 702.

The horizontal support plates 402 of the second, third and fourth

electric drive brackets

302, 303 and 304 are attached to the upper sides of the first, second and third

fixing plate bodies

101, 102 and 103, respectively. The fastening bolt 701 passes through the first fixing plate 101, the second fixing plate 102, and the third fixing plate 103 from the upper side of each horizontal support plate 402, and is connected to the nut 702.

In an embodiment of the present invention, a damping device 800 is installed between the electrically driven connecting frame and the first frame fixing plate or the transition connecting plate 600.

Specifically, in one embodiment of the present invention, the shock absorbing device 800 includes a first shock absorbing body 801 and a second shock absorbing body 802. The first shock absorbing body 801 is provided with a pressing slope 803. The second shock absorber 802 is provided with a press-fit inclined surface 804.

The first damper 801 and the second damper 802 are respectively located at both sides of the horizontal support plate 402. And one end of the second shock absorber 802 penetrates from one side of the horizontal support plate 402 to the other side of the horizontal support plate 402, so that the extrusion matching inclined surface 804 is attached to the extrusion inclined surface 803. The fastener is connected between the first shock absorber 801, the horizontal support plate 402, the second shock absorber 802 and the transition connecting plate 600 or the first frame fixing plate in a penetrating manner. More specifically, the fastening bolt 701 passes through the first damper 801, the horizontal support plate 402, the second damper 802, and the transition connection plate 600 or the first frame fixing plate and then is coupled to the nut 702.

Further, in an embodiment of the present invention, the shock absorbing device 800 further comprises a support tube 805. One end of the support pipe 805 is inserted into the inner cavity of the second shock absorbing body 802, and the other end of the support pipe 805 extends to the outside of the second shock absorbing body 802. In a state where the press-fit slope 804 is attached to the press slope 803, the other end of the support tube 805 is inserted into the inner cavity of the first damper body 801 to provide support protection for the damper device 800.

For example, as shown in fig. 3, in the direction shown in fig. 3, a first damper 801 is located on the upper side, and a second damper 802 is located on the lower side. For example, the first damper 801 and the second damper 802 are both rubber dampers. The inner cavity of the first damper 801 and the inner cavity of the second damper 802 are both cylindrical inner cavities adapted to the support tube 805. The lower end of the support tube 805 is inserted and fixed into the inner cavity of the second damper body 802, and the upper end of the support tube 805 is movably inserted into the inner cavity of the first damper body 801. The lower side of the first shock absorbing body 801 is provided with a pressing slope 803. The upper side of the second shock absorber 802 is provided with a press-fit slope 804. In this embodiment, the pressing slope 803 is an annular pressing slope 803 provided at a lower end portion of the cylindrical cavity of the first damper body 801. The press-fit inclined surface 804 is an annular press-fit inclined surface 803 provided at an upper end portion of the cylindrical inner cavity of the second shock absorber 802 to be fitted with the annular press-fit inclined surface 803.

During installation, the first damper 801 is disposed on the upper side of the horizontal support plate 402, and the second damper 802 is disposed on the lower side of the horizontal support plate 402. The upper end of the second damper body 802 passes through the horizontal support plate 402, so that the support tube 805 is inserted into the inner cavity of the first damper body 801, and the press-fit inclined surface 804 is attached to the press inclined surface 803. The fastening bolt 701 passes through the first damper 801, the horizontal support plate 402, and the second damper 802 from the inner side of the support pipe 805, extends to the transition connection plate 600, the first fixing plate 101, the second fixing plate 102, or the third fixing plate 103, and is connected to the nut 702.

When a shock occurs, the pressing inclined surface 803 and the pressing fit inclined surface 804 are pressed against each other, and the first shock absorber 801 and the second shock absorber 802 are elastically deformed to buffer the shock. Meanwhile, the support pipe 805 can provide a certain supporting protection effect for the first shock absorbing body 801 and the second shock absorbing body 802, so as to prevent the first shock absorbing body 801 and the second shock absorbing body 802 from being deformed too much to damage the shock absorbing device 800.

In another embodiment of the present invention, a spacer 806 is installed between the first shock absorbing body 801 and the abutting surface of the fastening member. For example, the fastener is a fastening bolt 701. The diameter of the washer 806 should be larger than the diameter of the head of the fastening bolt 701. For example, the diameter of the spacer 806 is equal to the diameter of the upper surface of the first damper body 801. In addition, the thickness of the shim 806 should be of a large value. Thereby, the spacer 806 can provide a protective effect on the first damper body 801.

An embodiment of the second aspect of the present invention provides a working machine, including a rear frame 900, a power assembly 500, and a power assembly mounting structure as described above.

The first frame securing plate and the second frame securing plate 200 are both connected to the rear frame 900. The powertrain 500 is connected to an electric drive link. The electric drive link is connected to the first frame mounting plate and the second frame mounting plate 200. In addition, a thermal management system, a battery and the like can be arranged and mounted on the rear frame 900.

For example, in one embodiment of the present disclosure, the work machine includes an electric loader.

It should be understood that the above-described embodiment is only an exemplary embodiment of the present invention, and should not constitute any limitation to the present invention. That is, the above-described work machine includes, but is not limited to, an electric loader.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A power assembly mounting structure is characterized by comprising a first frame fixing plate, a second frame fixing plate, an electric driving connecting frame and a transition connecting plate,

wherein, the electricity drive link is used for connecting the power assembly, the one end of first frame fixed plate is used for with back connected to the vehicle frame, the other end of first frame fixed plate with the electricity drive link is connected, the electricity drive link passes through the transition connecting plate with the one end of second frame fixed plate is connected, the other end of second frame fixed plate be used for with back connected to the vehicle frame, the setting of second frame fixed plate is being close to one side of the gearshift of power assembly.

2. The powertrain mounting structure of claim 1, wherein the electric drive link includes a first electric drive bracket coupled to the second frame mounting plate via the transition link plate.

3. The powertrain mounting structure of claim 2, wherein the electrically driven link further includes a second electrically driven bracket, a third electrically driven bracket and a fourth electrically driven bracket, the first electrically driven bracket and the second electrically driven bracket being spaced apart from one another to one side of the powertrain, the third electrically driven bracket and the fourth electrically driven bracket being spaced apart from one another to the other side of the powertrain,

first frame fixed plate includes first fixed plate body, second fixed plate body and third fixed plate body, the second electricity drive the support with first fixed plate body is connected, the third electricity drive the support with the second fixed plate body is connected, the fourth electricity drive the support with the third fixed plate body is connected.

4. The powertrain mounting structure of claim 3, wherein the first electrically driven bracket, the second electrically driven bracket, the third electrically driven bracket, and the fourth electrically driven bracket each include a vertical support plate and a horizontal support plate, the vertical support plate is configured to be attached to the powertrain, and the horizontal support plate is configured to be attached to the first frame mounting plate or the transition connection plate.

5. The powertrain mounting structure of claim 4, wherein the horizontal support plate and the first frame mounting plate or the transition connection plate are connected by a fastener.

6. The locomotion assembly mounting structure of claim 5, wherein a damping device is mounted between the electric drive link carriage and the first frame fixing plate or the transition link plate.

7. The powertrain mounting structure of claim 6, wherein the damping device includes a first damping body and a second damping body, the first damping body being provided with a press inclined surface, the second damping body being provided with a press-fit inclined surface,

first shock absorber with the second shock absorber is located respectively horizontal support plate's both sides, just the one end of second shock absorber by one side of horizontal support plate is worn to establish to horizontal support plate's opposite side, so that the laminating of extrusion fit inclined plane extremely on the extrusion inclined plane, the fastener is worn to establish to be connected first shock absorber horizontal support plate the second shock absorber reaches the transition connecting plate perhaps between the first frame fixed plate.

8. The powertrain mounting structure of claim 7, wherein the damping device further comprises a support tube, one end of the support tube is inserted into the inner cavity of the second damping body, the other end of the support tube extends to the outside of the second damping body, and the other end of the support tube is inserted into the inner cavity of the first damping body in a state that the press-fit slope is attached to the press-fit slope, so as to form support protection for the damping device.

9. The powertrain mounting structure of claim 7, wherein a spacer is mounted between the first damping body and the abutting surface of the fastening member.

10. A working machine comprising a rear frame, a powertrain, and a powertrain mounting structure according to any one of claims 1 to 9,

first frame fixed plate with second frame fixed plate all with back connected to the vehicle frame, the powertrain with the electricity drive link is connected, the electricity drive link with first frame fixed plate reaches the second frame fixed plate is connected.