CN111907279B - Vehicle with a steering wheel - Google Patents
Vehicle with a steering wheel Download PDFInfo
- Publication number
- CN111907279B CN111907279B CN201910384289.4A CN201910384289A CN111907279B CN 111907279 B CN111907279 B CN 111907279B CN 201910384289 A CN201910384289 A CN 201910384289A CN 111907279 B CN111907279 B CN 111907279B
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- Prior art keywords
- shock absorber
- electric drive
- drive axle
- cross beam
- mounting frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
- B60G11/16—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a vehicle, comprising: the electric vehicle comprises a frame, a first electric drive axle assembly, a second electric drive axle assembly, a first spiral spring and a second spiral spring. The frame comprises a middle cross beam, a first outer cross beam and a second outer cross beam; the first electric drive axle assembly comprises a first electric power assembly and a first axle housing; the second electric drive axle assembly comprises a second electric power assembly and a second axle housing, and the first spiral spring is connected with the first outer cross beam and the first electric power assembly respectively; the second helical spring is respectively connected with the second outer cross beam and the second electric power assembly. From this, through setting up first coil spring and second coil spring, when the vehicle received the impact force, first coil spring and second coil spring can transmit the impact force to the frame fast, can make the atress of frame and electric drive axle assembly more steady to can prevent first electric power assembly and first axle housing, second electric power assembly and second axle housing fracture, oil impregnate.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a vehicle.
Background
In the related technology, an electric power assembly (a motor and a gearbox) of a vehicle is assembled with an axle housing and then connected with a vehicle frame, when the vehicle is in a running process and is subjected to impact force, the stress of the electric drive axle assembly is unstable, the stress of the joint of the electric power assembly and the axle housing is large, and the joint of the electric power assembly and the axle housing is easy to crack and seep oil.
Disclosure of Invention
The present application is based on the discovery and recognition by the inventors of the following facts and problems:
the present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention provides a vehicle which can enable the stress of a vehicle frame and an electric drive axle assembly to be more stable.
The vehicle according to the present invention includes: the electric vehicle comprises a frame, a first electric drive axle assembly, a second electric drive axle assembly, a first spiral spring and a second spiral spring. The frame comprises a middle cross beam, a first outer cross beam and a second outer cross beam, wherein the first outer cross beam and the second outer cross beam are respectively arranged on the front side and the rear side of the middle cross beam; the first electric drive axle assembly comprises a first electric power assembly and a first axle housing; the second electric drive axle assembly comprises a second electric power assembly and a second axle housing, the first electric drive axle assembly and the second electric drive axle assembly are respectively arranged on the front side and the rear side of the middle cross beam along the front-rear direction, and the first electric power assembly and the second electric power assembly are arranged far away from each other; the first spiral spring is respectively connected with the first outer cross beam and the first electric power assembly; the second coil spring is respectively connected with the second outer cross beam and the second electric power assembly.
According to the vehicle, the first spiral spring and the second spiral spring are arranged, when the vehicle is subjected to impact force, the impact force can be quickly transmitted to the vehicle frame by the first spiral spring and the second spiral spring, the stress of the vehicle frame and the electric drive axle assembly can be more stable, and therefore the first electric power assembly and the first axle housing and the second electric power assembly and the second axle housing can be prevented from cracking and oil leakage.
In addition, because the center of gravity of the first electric drive axle assembly is not on the axis of the first axle housing, the first spiral spring can play a role in pulling up and supporting the first electric power assembly, so that the deviation of the center of gravity of the first electric drive axle assembly can be improved, and meanwhile, the center of gravity of the second electric drive axle assembly is not on the axis of the second axle housing, the second spiral spring can play a role in pulling up and supporting the second electric power assembly, so that the deviation of the center of gravity of the second electric drive axle assembly can be improved.
In some examples of the present invention, the first coil spring includes a plurality of coils and is disposed side by side with each other, and the first coil spring is disposed at a middle portion of the first outer beam; the second spiral spring comprises a plurality of second spiral springs which are arranged side by side, and the second spiral spring is arranged in the middle of the second outer cross beam.
In some examples of the present invention, the first coil spring includes: the first spring body is connected with the first outer cross beam in a pivoting manner; the second mounting frame is connected with the first electric power assembly, and the first spring body is pivotally connected with the second mounting frame; the second coil spring includes: the second spring body, the third mounting frame and the fourth mounting frame are connected, the third mounting frame is connected with the second outer cross beam, and the second spring body and the third mounting frame can be connected in a pivoting mode; the fourth mounting frame is connected to the second electric power assembly, and the second spring body is pivotally connected to the fourth mounting frame.
In some examples of the present invention, two ends of the first spring body are respectively provided with a first lug, and the first lug at one end of the first spring body extends into the first mounting frame and is connected to the first mounting frame through a first connecting rod; the first lug at the other end of the first spring body extends into the second mounting frame and is connected with the second mounting frame through a second connecting rod; two ends of the second spring body are respectively provided with a second lug, and the second lug at one end of the second spring body extends into the third mounting frame and is connected with the third mounting frame through a third connecting rod; the second lug at the other end of the second spring body extends into the fourth mounting frame and is connected with the fourth mounting frame through a fourth connecting rod.
In some examples of the invention, the vehicle further comprises: a first telescopic shock absorber and a second telescopic shock absorber, the first telescopic shock absorber being connected between the first electric drive axle assembly and the middle cross member; the second telescopic shock absorber is connected between the second electric drive axle assembly and the middle cross member.
In some examples of the present invention, the first sleeve damper is located in a middle portion of the first electric drive axle assembly, and the second sleeve damper is located in a middle portion of the second electric drive axle assembly.
In some examples of the invention, the vehicle further comprises: the first telescopic shock absorber is connected with the first shock absorber upper support, and the first shock absorber upper support is arranged in the middle of the middle cross beam; the second bumper shock absorber upper bracket is located the middle part crossbeam, the second sleeve formula bumper shock absorber with the second bumper shock absorber upper bracket links to each other, the second bumper shock absorber upper bracket sets up the middle part of middle part crossbeam.
In some examples of the present invention, the first and second telescopic shock absorbers are hydraulic shock absorbers, and the first telescopic shock absorber includes a plurality of the telescopic shock absorbers arranged side by side, and the second telescopic shock absorber includes a plurality of the telescopic shock absorbers arranged side by side.
In some examples of the invention, the vehicle further comprises: one of the two lower shock absorber supports is respectively connected with one of the outermost sides of the first telescopic shock absorbers and the first axle housing, and the other of the two lower shock absorber supports is respectively connected with the other of the outermost sides of the first telescopic shock absorbers and the first axle housing; two second bumper shock absorber undersetting, one in two the second bumper shock absorber undersetting respectively with a plurality of second sleeve bumper shock absorber the outside one with the second axle housing links to each other, another in two the second bumper shock absorber undersetting respectively with a plurality of second sleeve bumper shock absorber the outside another with the second axle housing links to each other.
In some examples of the invention, the vehicle further comprises: the first V-shaped thrust rod is connected between the first electric drive axle assembly and the middle cross beam, and the first telescopic shock absorber is positioned at the inner side of the first V-shaped thrust rod; and the second V-shaped thrust rod is connected between the second electric drive axle assembly and the middle cross beam, and the second sleeve type shock absorber is positioned on the inner side of the second V-shaped thrust rod.
In some examples of the invention, the vehicle further comprises: the two first lower thrust rods are connected between the first electric drive axle assembly and the middle cross beam and are positioned at the left outer side and the right outer side of the first V-shaped thrust rod; and the two second lower thrust rods are connected between the second electric drive axle assembly and the middle cross beam and are positioned at the left outer side and the right outer side of the second V-shaped thrust rod.
In some examples of the present invention, the first V-shaped thrust bar and the two first lower thrust bars are formed in a W shape, and the second V-shaped thrust bar and the two second lower thrust bars are formed in a W shape, in a horizontal projection.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is an assembled schematic view of a vehicle frame, a first electric drive axle assembly, a second electric drive axle assembly, a first telescopic shock absorber, a second telescopic shock absorber, a first coil spring and a first coil spring in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is a schematic view of the assembly of a first telescopic shock absorber, a first shock absorber upper mount and a first shock absorber lower mount according to an embodiment of the present invention;
fig. 5 is a schematic view of a first coil spring according to an embodiment of the present invention.
Drawings
A frame 1; a middle cross member 11;
a first electric drive axle assembly 2; a second electric drive axle assembly 3;
a suspension system 4; the first telescopic shock absorber 41; the second sleeve-type damper 42;
a first shock absorber upper mount 5; a second damper upper mount 6; a first shock absorber lower support 7; a second shock absorber lower support 8; a first V-shaped thrust rod 9; a second V-shaped thrust rod 91; a first lower thrust rod 92; a second lower thrust rod 93; a first outer cross member 94; a second outer cross member 95;
a first coil spring 96; a first spring body 961; a first installation frame 962; a second mounting frame 963; a first tab 964; a first connecting rod 965; a second connecting rod 966;
a second coil spring 97;
a balance spring 10; a saddle bolt 20; a balance shaft 30; and a limit plate 40.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
A vehicle according to an embodiment of the invention is described below with reference to fig. 1 to 5.
As shown in fig. 1 to 5, a vehicle according to an embodiment of the present invention includes: frame 1, first electric drive axle assembly 2, second electric drive axle assembly 3, first coil spring 96 and second coil spring 97. The frame 1 may include: middle part crossbeam 11, first outer crossbeam 94 and second outer crossbeam 95 set up respectively in the front side and the rear side of middle part crossbeam 11, and frame 1 can also include: left longitudinal beam and right longitudinal beam, left longitudinal beam and right longitudinal beam mutual disposition and spaced apart, middle part crossbeam 11 is connected between left longitudinal beam and right longitudinal beam. The first electric drive axle assembly 2 comprises a first electric power assembly (first electric machine and first gearbox) and a first axle housing, and the second electric drive axle assembly 3 comprises a second electric power assembly (second electric machine and second gearbox) and a second axle housing. The first electric drive axle assembly 2 and the second electric drive axle assembly 3 are respectively arranged on the front side and the rear side of the middle cross beam 11 along the front-rear direction, and it can also be understood that the first electric drive axle assembly 2 is arranged on the front side of the middle cross beam 11, the second electric drive axle assembly 3 is arranged on the rear side of the middle cross beam 11, and the first electric power assembly and the second electric power assembly are arranged far away from each other.
Moreover, the first spiral spring 96 is respectively connected with the first outer cross beam 94 and the first electric power assembly, and the second spiral spring 97 is respectively connected with the second outer cross beam 95 and the second electric power assembly, it can also be understood that the first spiral spring 96 is connected between the first outer cross beam 94 and the first electric power assembly, and the second spiral spring 97 is connected between the second outer cross beam 95 and the second electric power assembly, so that the flexible connection between the first electric power assembly and the second electric power assembly and the frame 1 can be better realized, the impact force on the first electric power assembly and the second electric power assembly can be more quickly transmitted to the frame 1, the first electric power assembly and the second electric power assembly can be prevented from loosening, and the shock absorption performance of the vehicle can be improved.
Since the center of gravity of the first electric drive axle assembly 2 is not on the axis of the first axle housing, the first coil spring 96 can lift and support the first electric power assembly, so that the center of gravity deviation of the first electric drive axle assembly 2 can be improved, and meanwhile, the center of gravity of the second electric drive axle assembly 3 is not on the axis of the second axle housing, so that the second coil spring 97 can lift and support the second electric power assembly, so that the center of gravity deviation of the second electric drive axle assembly 3 can be improved.
Meanwhile, the vehicle may further include a suspension system 4, the suspension system 4 including: the first and second telescopic dampers 41 and 42, and the first and second telescopic dampers 41 and 42 may be identical in structure. A first sleeve damper 41 is connected between first electric drive axle assembly 2 and center cross member 11, and a second sleeve damper 42 is connected between second electric drive axle assembly 3 and center cross member 11. Wherein, through setting up first sleeve formula bumper shock absorber 41 and second sleeve formula bumper shock absorber 42, can realize first electric drive axle assembly 2, the flexible coupling of second electric drive axle assembly 2 and frame 1, when the vehicle received the impact force, first sleeve formula bumper shock absorber 41 and second sleeve formula bumper shock absorber 42 can transmit impact force and vibrations to frame 1 fast, can make the atress of frame 1 and electric drive axle assembly more steady, thereby can prevent first electrodynamic force assembly and first axle housing, second electrodynamic force assembly and second axle housing fracture, the oil impregnate, and then can guarantee the reliability of traveling of vehicle.
From this, through setting up first coil spring 96, second coil spring 97 and suspension system 4, when the vehicle received the impact force, first coil spring 96, second coil spring 97, first sleeve formula bumper shock absorber 41 and second sleeve formula bumper shock absorber 42 can transmit the impact force to frame 1 fast, can make the atress of frame 1 and electric drive axle assembly more steady, thereby can prevent first electric power assembly and first axle housing, second electric power assembly and second axle housing fracture, the oil impregnate.
In some embodiments of the present invention, the first coil spring 96 may include a plurality, and the plurality of first coil springs 96 may be disposed side by side with each other, the first coil spring 96 may be disposed at a middle portion of the first outer beam 94, the second coil spring 97 may include a plurality, and the plurality of second coil springs 97 may be disposed side by side with each other, and the second coil spring 97 may be disposed at a middle portion of the second outer beam 95. This arrangement enables the impact forces on the first and second electric power assemblies to be transmitted to the vehicle frame 1 more quickly.
In some embodiments of the invention, the vehicle may further comprise: balance spring 10, riding bolt 20 and balance shaft 30, balance spring 10 realizes the fixed with frame 1 through riding bolt 20 and balance shaft 30, and the vehicle is in the turn in-process, prevents balance spring 10 transition's removal in the left and right direction through limiting plate 40.
When the vehicle travels on a horizontal road surface, part of the impact force applied to the vehicle is attenuated by the first coil spring 96, the second coil spring 97, the first sleeve damper 41, and the second sleeve damper 42. When the vehicle runs on a bumpy road, because the first electric drive axle assembly 2 and the second electric drive axle assembly 3 are large in size and weight, the motion hysteresis can be caused, the first spiral spring 96 and the second spiral spring 97 are in a stretching state when being installed, the weight of the first electric drive axle assembly 2 and the second electric drive axle assembly 3 is balanced according to the moment arm and moment relation when the whole vehicle is fully loaded, when the first electric drive axle assembly 2 and the second electric drive axle assembly 3 jump downwards to the limit position, the first spiral spring 96 and the second spiral spring 97 are further stretched to bear three times of the weight of the first electric drive axle assembly 2 and the second electric drive axle assembly 3, when the first electric drive axle assembly 2 and the second electric drive axle assembly 3 jump upwards to the limit position, the first spiral spring 96 and the second spiral spring 97 are in a free state and are free of any force, and the stretching force of the first spiral spring 96 and the second spiral spring 97 is utilized, therefore, the stress on the joint surface of the electric power assembly and the axle housing can be reduced, and the problem of oil leakage or cracking is avoided. The first sleeve type shock absorber 41 and the second sleeve type shock absorber 42 are designed to have larger compression resistance in design, so that the frequency of severe stress working conditions of the first electric drive axle assembly 2 and the second electric drive axle assembly 3 can be reduced.
In some embodiments of the present invention, as shown in fig. 5, the first coil spring 96 may include: a first spring body 961, a first mounting frame 962 and a second mounting frame 963. The first mounting frame 962 is connected with the first outer cross beam 94, the first spring body 961 is pivotally connected with the first mounting frame 962, the second mounting frame 963 is connected with the first electric power assembly, and the first spring body 961 is pivotally connected with the second mounting frame 963, so that the first spring body 961 can rotate relative to the first mounting frame 962 and the second mounting frame 963, the flexible connection between the first electric power assembly and the frame 1 can be better realized, and the impact force on the first electric power assembly can be transferred to the frame 1 more quickly.
The second coil spring 97 may include: the structure of the second spring body and the first spring body 961, the structure of the third mounting frame and the first mounting frame 962, the structure of the fourth mounting frame and the second mounting frame 963 can be the same, the third mounting frame is connected with the second outer cross beam 95, the second spring body and the third mounting frame can be connected in a pivoting mode, the fourth mounting frame is connected with the second electric power assembly, and the second spring body and the fourth mounting frame can be connected in a pivoting mode.
In some embodiments of the present invention, as shown in fig. 5, the first spring body 961 is provided with a first protruding lug 964 at each of two ends thereof, the first protruding lug 964 at one end of the first spring body 961 protrudes into the first mounting frame 962, and the first protruding lug 964 can be connected to the first mounting frame 962 through a first connecting rod 965, the first protruding lug 964 at the other end of the first spring body 961 protrudes into the second mounting frame 963, and the first protruding lug 964 can be connected to the second mounting frame 963 through a second connecting rod 966, such that the first spring body 961 and the first mounting frame 962, the first spring body 961 and the second mounting frame 963 can be pivotally connected together, and the first spring body 961 and the first mounting frame 962, and the first spring body 961 and the second mounting frame 963 can be prevented from being separated.
In some embodiments of the present invention, two ends of the second spring body are respectively provided with a second lug, the second lug and the first lug 964 may have the same structure, the second lug at one end of the second spring body extends into the third mounting frame, and the second lug may be connected to the third mounting frame through a third connecting rod, the second lug at the other end of the second spring body extends into the fourth mounting frame, and the second lug may be connected to the fourth mounting frame through a fourth connecting rod, where the third connecting rod and the first connecting rod, and the fourth connecting rod and the second connecting rod may have the same structure, so that the second spring body and the third mounting frame, and the second spring body and the fourth mounting frame may be pivotally connected together, and the second spring body and the third mounting frame, and the second spring body and the fourth mounting frame may also be prevented from being separated.
In some embodiments of the present invention, the first telescopic shock absorber 41 is located at the middle of the first electric drive axle assembly, and the second telescopic shock absorber 42 is located at the middle of the second electric drive axle assembly 3, it should be noted that, as shown in fig. 2, in the left-right direction, the first telescopic shock absorber 41 is located at the middle of the first electric drive axle assembly, and the second telescopic shock absorber 42 is located at the middle of the second electric drive axle assembly 3, so that the first telescopic shock absorber 41 and the second telescopic shock absorber 42 can transmit the impact force and the vibration to the frame 1 more rapidly when the vehicle is subjected to the impact force.
In some embodiments of the present invention, as shown in fig. 1 and 2, the vehicle may further include: a first shock absorber upper mount 5 and a second shock absorber upper mount 6. The first shock absorber upper support 5 is arranged on the middle cross beam 11, the first telescopic shock absorber 41 is connected with the first shock absorber upper support 5, the first shock absorber upper support 5 can be arranged in the middle of the middle cross beam 11, the second shock absorber upper support 6 is arranged on the middle cross beam 11, the second telescopic shock absorber 42 is connected with the second shock absorber upper support 6, the second shock absorber upper support 6 can be arranged in the middle of the middle cross beam 11, the first telescopic shock absorber 41 and the second telescopic shock absorber 42 can be reliably assembled on the middle cross beam 11 by the arrangement, the first telescopic shock absorber 41 and the second telescopic shock absorber 42 can be prevented from being separated from the middle cross beam 11, so that the impact force can be transmitted to the frame 1, and the first telescopic shock absorber 41 and the second telescopic shock absorber 42 can be ensured to be arranged in the middle of the middle cross beam 11, so that the impact force and the vibration can be transmitted to the frame 1 more uniformly, thereby can further avoid the local of electric drive axle assembly to receive the impact force too big, and then can further prevent first electric power assembly and first axle housing, second electric power assembly and second axle housing fracture, oil impregnate.
In some embodiments of the present invention, both the first telescopic damper 41 and the second telescopic damper 42 may be configured as hydraulic dampers, and the hydraulic dampers have good damping effect and force transmission effect, so that the vibration of the vehicle can be reduced, the riding comfort of the vehicle can be improved, and thus the satisfaction of the user can be improved.
Furthermore, the first sleeve-type shock absorber 41 may include a plurality of shock absorbers arranged side by side, and the second sleeve-type shock absorber 42 may also include a plurality of shock absorbers arranged side by side, as shown in fig. 2, the plurality of first sleeve-type shock absorbers 41 are arranged side by side in the left-right direction, and the plurality of second sleeve-type shock absorbers 42 are arranged side by side in the left-right direction, so as to further improve the shock absorbing effect of the vehicle, and further reduce the shock of the vehicle, so as to further improve the riding comfort of the vehicle, and in addition, when the vehicle is subjected to an impact force, the plurality of first sleeve-type shock absorbers 41 and the plurality of second sleeve-type shock absorbers 42 can simultaneously transmit the impact force to the frame 1, so as to improve the speed of transmitting the impact force to the frame 1, so as to ensure the assembling stability of the first electric drive axle assembly 2 and the second electric drive axle assembly 3.
In some embodiments of the present invention, as shown in fig. 3, the vehicle may further include: two first shock absorber sub mounts 7 and two second shock absorber sub mounts 8. One of two first bumper shock absorber undersetting 7 links to each other with first axle housing with one of the outside of a plurality of first telescopic bumper shock absorbers 41 respectively, another first bumper shock absorber undersetting 7 in two links to each other with first axle housing with another of the outside of a plurality of first telescopic bumper shock absorbers 41 respectively, the setting can be assembled first telescopic bumper shock absorber 41 reliably on first axle housing like this, can prevent that first telescopic bumper shock absorber 41 from separating with first axle housing, also can guarantee that the impact force can transmit to frame 1 through first telescopic bumper shock absorber 41.
And, one second bumper shock absorber undersetting 8 in two links to each other with the second axle housing of the outermost side of a plurality of second sleeve bumper shock absorbers 42 respectively, and another second bumper shock absorber undersetting 8 in two links to each other with the second axle housing of another of the outermost side of a plurality of second sleeve bumper shock absorbers 42 respectively, so set up and can assemble second sleeve bumper shock absorber 42 reliably on the second axle housing, can prevent that second sleeve bumper shock absorber 42 from separating with the second axle housing, also can guarantee that the impact force can transmit to frame 1 through second sleeve bumper shock absorber 42.
In some embodiments of the present invention, as shown in fig. 2 and 3, the vehicle may further include: a first V-shaped thrust rod 9 and a second V-shaped thrust rod 91. First V type thrust bar 9 is connected between first electric drive axle assembly and middle part crossbeam 11, first set of cylinder bumper shock absorber 41 is located the inboard messenger of first V type thrust bar 9, it should be explained, in upper and lower direction, the projection of first set of cylinder bumper shock absorber 41 is located the projection of first V type thrust bar 9 inboard, it can link together first electric drive axle assembly and middle part crossbeam 11 to set up like this, first V type thrust bar 9 can restrict the movement track of first electric drive axle assembly, thereby can make first electric drive axle assembly move according to predetermined orbit, and then can prevent that first electric drive axle assembly from moving to each direction at will.
Moreover, the second V-shaped thrust rod 91 is connected between the second electric drive axle assembly 3 and the middle cross beam 11, and the second sleeve-type damper 42 is located inside the second V-shaped thrust rod 91, it should be explained that, in the up-down direction, the projection of the second sleeve-type damper 42 is located inside the projection of the second V-shaped thrust rod 91, so that the second electric drive axle assembly 3 and the middle cross beam 11 can be connected together, and the second V-shaped thrust rod 91 can limit the movement track of the second electric drive axle assembly 3, so that the second electric drive axle assembly 3 can move according to a predetermined track, and further the second electric drive axle assembly 3 can be prevented from moving randomly in all directions.
In some embodiments of the present invention, as shown in fig. 2 and 3, the vehicle may further include: two first lower thrust levers 92 and two second lower thrust levers 93. First lower thrust rod 92 is connected between first electric drive axle assembly and middle part crossbeam 11, two first lower thrust rods 92 are located the left and right outsides of first V type thrust rod 9, that is to say, one first lower thrust rod 92 is located the left side of first V type thrust rod 9, another first lower thrust rod 92 is located the right side of first V type thrust rod 9, so set up and to link together first electric drive axle assembly and middle part crossbeam 11 firmly, first lower thrust rod 92 can restrict the motion trail of first electric drive axle assembly, thereby can guarantee that first electric drive axle assembly moves on predetermined trail, and then can further prevent first electric drive axle assembly to each direction random motion.
In addition, the second lower thrust rods 93 are connected between the second electric drive axle assembly 3 and the middle cross beam 11, and the two second lower thrust rods 93 are located on the left and right outer sides of the second V-shaped thrust rod 91, that is, one second lower thrust rod 93 is located on the left side of the second V-shaped thrust rod 91, and the other second lower thrust rod 93 is located on the right side of the second V-shaped thrust rod 91, so that the second electric drive axle assembly 3 and the middle cross beam 11 can be stably connected together, and the second lower thrust rods 93 can limit the motion track of the second electric drive axle assembly 3, so that the second electric drive axle assembly 3 can be ensured to move on a predetermined track, and further, the second electric drive axle assembly 3 can be further prevented from moving randomly in all directions.
In some embodiments of the present invention, the first V-shaped thrust bar 9 and the two first lower thrust bars 92 are formed in a W shape and the second V-shaped thrust bar 91 and the two second lower thrust bars 93 are formed in a W shape in horizontal projection, it is to be explained that the first V-shaped thrust bar 9 and the two first lower thrust bars 92 form a W shape and the second V-shaped thrust bar 91 and the two second lower thrust bars 93 form a W shape in the up-down direction. Wherein, through the cooperation of first V type thrust bar 9, second V type thrust bar 91, first thrust bar 92 and second thrust bar 93 down, can play the guide effect better to first electric drive axle assembly and second electric drive axle assembly 3, can guarantee the security of going of vehicle to, also can promote frame 1's structural strength, thereby can prevent that frame 1 from warping.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 the invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A vehicle, characterized by comprising:
the frame comprises a middle cross beam, a first outer cross beam and a second outer cross beam, wherein the first outer cross beam and the second outer cross beam are respectively arranged on the front side and the rear side of the middle cross beam;
a first electric drive axle assembly including a first electric power assembly and a first axle housing;
a second electric drive axle assembly including a second electric power assembly and a second axle housing, the first electric drive axle assembly and the second electric drive axle assembly being respectively provided at a front side and a rear side of the middle cross member in a front-rear direction, the first electric power assembly and the second electric power assembly being provided away from each other;
a first coil spring connected to the first outer beam and the first electric power assembly, respectively;
a second coil spring connected to the second outer beam and the second electric power assembly, respectively;
a first telescopic shock absorber connected between the first electric drive axle assembly and the middle cross member, the first telescopic shock absorber comprising a plurality of shock absorbers arranged side-by-side;
a second telescopic shock absorber connected between the second electric drive axle assembly and the middle cross member, the second telescopic shock absorber comprising a plurality of shock absorbers arranged side-by-side;
the first telescopic shock absorber is connected with the first shock absorber upper support, and the first shock absorber upper support is arranged in the middle of the middle cross beam;
the second shock absorber upper support is arranged on the middle cross beam, the second telescopic shock absorber is connected with the second shock absorber upper support, and the second shock absorber upper support is arranged in the middle of the middle cross beam;
a first V-shaped thrust rod connected between the first electric drive axle assembly and the middle cross beam, the first telescopic shock absorber being located inside the first V-shaped thrust rod;
a second V-shaped thrust rod connected between the second electric drive axle assembly and the middle cross beam, the second sleeve damper being located inside the second V-shaped thrust rod;
one of the two lower shock absorber supports is respectively connected with one of the outermost sides of the first telescopic shock absorbers and the first axle housing, and the other of the two lower shock absorber supports is respectively connected with the other of the outermost sides of the first telescopic shock absorbers and the first axle housing;
two second bumper shock absorber undersetting, one in two the second bumper shock absorber undersetting respectively with a plurality of second sleeve bumper shock absorber the outside one with the second axle housing links to each other, another in two the second bumper shock absorber undersetting respectively with a plurality of second sleeve bumper shock absorber the outside another with the second axle housing links to each other.
2. The vehicle of claim 1, characterized in that the first coil spring comprises a plurality of coil springs arranged side by side with each other, and the first coil spring is arranged in the middle of the first outer cross member;
the second spiral spring comprises a plurality of second spiral springs which are arranged side by side, and the second spiral spring is arranged in the middle of the second outer cross beam.
3. The vehicle of claim 1,
the first coil spring includes:
a first spring body;
the first mounting frame is connected with the first outer cross beam, and the first spring body is pivotally connected with the first mounting frame;
the second mounting frame is connected with the first electric power assembly, and the first spring body is pivotally connected with the second mounting frame;
the second coil spring includes:
a second spring body;
the third mounting frame is connected with the second outer cross beam, and the second spring body is connected with the third mounting frame in a pivoting manner;
a fourth mounting frame coupled to the second electric power assembly, the second spring body pivotally coupled to the fourth mounting frame.
4. The vehicle of claim 3,
two ends of the first spring body are respectively provided with a first lug, and the first lug at one end of the first spring body extends into the first mounting frame and is connected with the first mounting frame through a first connecting rod; the first lug at the other end of the first spring body extends into the second mounting frame and is connected with the second mounting frame through a second connecting rod;
two ends of the second spring body are respectively provided with a second lug, and the second lug at one end of the second spring body extends into the third mounting frame and is connected with the third mounting frame through a third connecting rod; the second lug at the other end of the second spring body extends into the fourth mounting frame and is connected with the fourth mounting frame through a fourth connecting rod.
5. The vehicle of claim 4, characterized in that the first telescopic shock absorber is located in a middle portion of the first electric drive axle assembly and the second telescopic shock absorber is located in a middle portion of the second electric drive axle assembly.
6. The vehicle of claim 5, characterized in that the first and second telescopic shock absorbers are hydraulic shock absorbers.
7. The vehicle of claim 1, further comprising:
the two first lower thrust rods are connected between the first electric drive axle assembly and the middle cross beam and are positioned at the left outer side and the right outer side of the first V-shaped thrust rod;
and the two second lower thrust rods are connected between the second electric drive axle assembly and the middle cross beam and are positioned at the left outer side and the right outer side of the second V-shaped thrust rod.
8. The vehicle according to claim 7, characterized in that the first V-shaped thrust bar and the two first lower thrust bars are formed in a W shape, and the second V-shaped thrust bar and the two second lower thrust bars are formed in a W shape, in horizontal projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384289.4A CN111907279B (en) | 2019-05-09 | 2019-05-09 | Vehicle with a steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384289.4A CN111907279B (en) | 2019-05-09 | 2019-05-09 | Vehicle with a steering wheel |
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| Publication Number | Publication Date |
|---|---|
| CN111907279A CN111907279A (en) | 2020-11-10 |
| CN111907279B true CN111907279B (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910384289.4A Active CN111907279B (en) | 2019-05-09 | 2019-05-09 | Vehicle with a steering wheel |
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| Country | Link |
|---|---|
| CN (1) | CN111907279B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1375338A (en) * | 1972-09-25 | 1974-11-27 | ||
| CN203697896U (en) * | 2014-03-12 | 2014-07-09 | 潍坊瑞驰汽车系统有限公司 | Rear suspension rear axle assembly of electromobile |
| CN105966237A (en) * | 2015-12-31 | 2016-09-28 | 比亚迪股份有限公司 | Vehicle and drive axle module used for vehicle |
| CN105966219A (en) * | 2015-12-31 | 2016-09-28 | 比亚迪股份有限公司 | Vehicle and electric drive axle assembly used for vehicle |
| CN108248321A (en) * | 2016-12-29 | 2018-07-06 | 比亚迪股份有限公司 | suspension system and electric vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050183625A1 (en) * | 2004-02-23 | 2005-08-25 | Goding David J. | High efficiency semi-articulated railway power bogie |
-
2019
- 2019-05-09 CN CN201910384289.4A patent/CN111907279B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1375338A (en) * | 1972-09-25 | 1974-11-27 | ||
| CN203697896U (en) * | 2014-03-12 | 2014-07-09 | 潍坊瑞驰汽车系统有限公司 | Rear suspension rear axle assembly of electromobile |
| CN105966237A (en) * | 2015-12-31 | 2016-09-28 | 比亚迪股份有限公司 | Vehicle and drive axle module used for vehicle |
| CN105966219A (en) * | 2015-12-31 | 2016-09-28 | 比亚迪股份有限公司 | Vehicle and electric drive axle assembly used for vehicle |
| CN108248321A (en) * | 2016-12-29 | 2018-07-06 | 比亚迪股份有限公司 | suspension system and electric vehicle |
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| Publication number | Publication date |
|---|---|
| CN111907279A (en) | 2020-11-10 |
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