CN217892999U - Pure electric traction chassis framework and tractor - Google Patents
Pure electric traction chassis framework and tractor Download PDFInfo
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- CN217892999U CN217892999U CN202221879728.2U CN202221879728U CN217892999U CN 217892999 U CN217892999 U CN 217892999U CN 202221879728 U CN202221879728 U CN 202221879728U CN 217892999 U CN217892999 U CN 217892999U
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Abstract
The utility model relates to a pure electric traction chassis framework and a tractor, wherein the pure electric traction chassis framework comprises a vehicle chassis, one or more groups of battery modules are arranged on the vehicle chassis, and the battery modules are arranged in a basic frame; one or two sets of electric drive axles are also arranged on the vehicle chassis; one side of the base frame is provided with a first connecting frame used for being connected with a vehicle chassis, and the first connecting frame is arranged along the height direction of the base frame; or the base frame is provided with a second connecting frame, and the second connecting frame is used for connecting two adjacent base frames; or the base frame is provided with a third connecting frame, and the third connecting frame is used for connecting the two base frames. The utility model discloses the integrated level is high, whole car chassis focus is low, the chassis wheel base is short, solves the technical problem of current pure electric battery arrangement scheme.
Description
Technical Field
The utility model belongs to the technical field of heavy truck technique and specifically relates to indicate a pure electric traction chassis framework and tractor.
Background
At present, a pure electric traction chassis scheme adopts a scheme of a power battery bracket at the back of a cab, such as a chassis arrangement structure of a hydrogen fuel tractor and the hydrogen fuel tractor disclosed in Chinese invention patent (CN 113787920A), and the pure electric traction chassis scheme requires that the wheel base of the vehicle is longer and the gravity center of the vehicle is high.
The existing pure electric battery arrangement scheme has the following defects:
1. the space at the rear part of the cab is occupied, so that the chassis needs to use a scheme with a longer wheelbase, and the cost is increased;
2. the back battery bracket body has the advantages of heavy weight, high cost and high technical requirement;
3. the model selection of the chassis with the long wheelbase leads to the increase of the turning radius of the chassis;
4. the power battery is arranged at the back, so that the center of gravity of the vehicle moves upwards, and the operation stability of the vehicle is reduced;
5. the space at the two sides of the chassis is vacant, so that the wind resistance of the whole vehicle is large and the energy consumption of the vehicle is high;
6. a long-wheelbase chassis is selected, the turning radius is large, and the driving operation is inconvenient;
7. when the chassis is made of the same material, the whole structure strength of the long-wheelbase chassis is reduced, and the reliability is reduced.
8. The scheme of the battery bracket on the back of the cab is adopted, so that part of rearview mirrors of a driver are easily shielded, and the driving safety is influenced.
In view of the above, there is a need for an electric traction chassis architecture that meets the requirements of light weight and high integration level for heavy trucks.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model discloses a pure electric traction chassis framework and tractor.
The utility model discloses the technical scheme who adopts as follows:
a pure electric traction chassis framework comprises a vehicle chassis, wherein one group or a plurality of groups of battery modules are arranged on the vehicle chassis, and the battery modules are arranged in a basic frame; one or two sets of electric drive axles are also arranged on the vehicle chassis;
a first connecting frame used for being connected with the vehicle chassis is arranged on one side of the base frame, and the first connecting frame is arranged along the height direction of the base frame;
or the base frames are provided with second connecting frames, and the second connecting frames are used for connecting two adjacent base frames;
or the base frame is provided with a third connecting frame, and the third connecting frame is used for connecting the two base frames.
The method is further technically characterized in that: an upper surface of the base frame and an upper surface of the vehicle chassis are level.
The method is further technically characterized in that: the first connecting frame comprises a first connecting plate, a channel steel main body and a second connecting plate, the first connecting plate and the second connecting plate are symmetrically arranged along a central axis of the channel steel main body, and the first connecting plate and the second connecting plate horizontally extend along the length direction of the channel steel main body.
The method is further technically characterized in that: the second connecting frame is a first hollow square steel provided with a plurality of connecting holes, and the first hollow square steel is horizontally arranged between every two adjacent foundation frames.
The method is further technically characterized in that: the third connecting frame comprises second hollow square steel, and connecting plates are arranged on two sides of the second hollow square steel respectively.
The method is further technically characterized in that: the foundation frame is further provided with a fourth connecting frame, and the fourth connecting frame is vertically arranged on the inner side of a crossbeam of the vehicle chassis.
The method is further technically characterized in that: the battery module comprises one or two boxes of power batteries.
The method is further technically characterized in that: and a gas cylinder group or a storage battery pack is arranged in the base frame.
The tractor comprises a tractor body, wherein the tractor body is provided with the pure electric traction chassis framework.
The method is further technically characterized in that: the vehicle body is provided with a single-bridge or double-bridge electric drive bridge for a drive assembly.
Compared with the prior art, the technical scheme of the utility model have following advantage:
1. the utility model discloses well pure electric traction chassis framework of integrated power battery benefits from concentrating to arrange, the compact is arranged, concentrates power battery to arrange the chassis, and whole car design requires lowly to the chassis adaptation.
2. The utility model discloses the pure electronic chassis both sides power battery support that pulls chassis framework of well integrated power battery can simultaneously integrated gas holder, battery, fender, get on bus handrail etc. arranges the design compactness, and the integrated level is higher.
3. The utility model discloses the frame construction of well integrated power battery pure electric traction chassis framework compromises the effect of support and kuppe, and the kuppe reduces the windage, under the prerequisite that does not increase the cost, further improves whole car economic nature.
4. The utility model discloses the whole car of well tractor design can select the minor axis chassis, and the centre of gravity of chassis reduces more than the back scheme moreover, and whole car operating stability is good.
5. The utility model discloses the technical scheme of tractor comparison power battery back, chassis integrated design arranges, multiplicable chassis intensity to the outward appearance is neat more pleasing to the eye.
6. The utility model discloses well tractor can use two electricity to drive the bridge as the power supply, and dynamic nature is better.
7. The utility model discloses well tractor uses the electricity to drive the bridge as the power supply, has reduced mechanical transmission efficiency loss, reduces whole car power consumption.
8. The utility model discloses well unpowered battery support shelters from driver's rear-view mirror, improves driving safety performance.
Drawings
In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings.
FIG. 1 is a schematic diagram of a pure electric traction chassis architecture.
Fig. 2 is a schematic structural view of a base frame and a battery module.
Fig. 3 is a plan view of the base frame and the battery module.
Fig. 4 is a schematic structural view of the base frame.
Fig. 5 is a top view of the base frame.
Fig. 6 is a schematic structural view of the second link frame.
Fig. 7 is a schematic structural view of the third connecting frame.
Fig. 8 is a schematic structural view of the fourth link frame.
Fig. 9 is a schematic structural view of the truck.
Figure 10 is a top view of the tractor.
The specification reference numbers indicate: 11. a first frame; 12. a second frame; 13. a third frame; 14. a first connecting frame; 15. a second link frame; 16. a third connecting frame; 17. a fourth link; 2. a battery module; 3. a gas cylinder group; 4. a battery pack; 51. a headstock; 52. a vehicle body; 53. the tail of the vehicle; 61. a first electrically driven bridge; 62. a second electrically driven bridge.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
The foregoing and other features, aspects and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is intended to be illustrative and not restrictive, and furthermore, like reference numerals designate like elements throughout the embodiments.
Example 1:
with reference to fig. 1 to fig. 3, a pure electric traction chassis architecture includes a vehicle chassis, one or more groups of battery modules 2 are disposed on the vehicle chassis, and the battery modules 2 are mounted in a base frame; one or two sets of electric drive axles are also arranged on the vehicle chassis;
a first connecting frame 14 used for being connected with a vehicle chassis is arranged on one side of the base frame, and the first connecting frame 14 is arranged along the height direction of the base frame;
or, the base frame is provided with a second connecting frame 15, and the second connecting frame 15 is used for connecting two adjacent base frames;
alternatively, the base frame is provided with a third connecting frame 16, and the third connecting frame 16 is used for connecting two base frames.
According to the pure electric traction chassis framework, the power batteries can be intensively arranged on the chassis through the basic framework, and the whole vehicle design has low requirement on the chassis adaptation; and the power battery is carried at the lower part of the cab of the chassis of the vehicle and two sides of the crossbeam of the chassis, so that the material types can be reduced, and the power battery has the advantages of high integration level and low cost.
With reference to fig. 4 and 5, in this embodiment, the number of the base frames is three, and for convenience of subsequent description, the base frames are defined as a first frame 11, a second frame 12, and a third frame 13, where the third frame 13 is disposed between the first frame 11 and the second frame 12, a straight line where the wide side of the first frame 11 is located coincides with a straight line where the wide side of the second frame 12 is located, a straight line where the wide side of the third frame 13 is located is parallel to a straight line where the wide side of the first frame 11 is located, and a long side of the third frame 13 overlaps with a long side of the first frame 11 or a long side of the second frame 12.
In the present embodiment, the battery module 2 is installed in the integrated power battery frame, that is, the battery module 2 is installed in each of the first frame 11, the second frame 12 and the third frame 13, and the battery module 2 includes two boxes of power batteries, and each two boxes of power batteries are respectively disposed at the lower part of the cab and at both sides of the vehicle chassis.
In this embodiment, first link 14 includes first connecting plate, channel-section steel main part and second connecting plate, and first connecting plate and second connecting plate set up along the axis symmetry of channel-section steel main part, and first connecting plate and second connecting plate extend along the length direction level of channel-section steel main part. Specifically, the first connecting plate and the second connecting plate are provided with a plurality of through holes, and the through holes are used for being connected with vehicle chassis bolts.
Preferably, the first connecting frame 14 is a bent integral structural member, and the first connecting frame 14 has higher one-step forming strength, better rigidity and is not easy to deform.
As shown in fig. 6, in the present embodiment, the second connecting frame 15 is a first hollow square steel provided with a plurality of connecting holes, and the first hollow square steel is horizontally disposed between two adjacent base frames. The attachment holes function to bolt the vehicle chassis and to attach two adjacent base frames together.
As shown in fig. 7, in the present embodiment, the third connecting frame 16 includes a second hollow square steel, and connecting plates are respectively disposed on both sides of the second hollow square steel. The length of the second hollow square steel can be designed according to the layout and the distance between two basic frames to be connected.
As shown in fig. 8, in the present embodiment, the foundation frame is further provided with a fourth connecting frame 17, and the fourth connecting frame 17 is vertically disposed inside a girder of the vehicle chassis. Specifically, the fourth connecting frame 17 is a third hollow square steel provided with a plurality of connecting holes, and the connecting holes are used for being connected with the chassis bolts and connecting two adjacent base frames together.
In this embodiment, the gas cylinder group 3 or the battery pack 4 may be installed in the base frame according to actual layout requirements.
Preferably, the gas cartridge group 3 is installed inside the second frame 12. The air storage cylinder group 3 is used for storing air compressed by an air compressor (air pump) and is used for an automobile braking system.
The battery pack 4 is mounted in the first frame 11. The storage battery pack 4 is a 24V power supply system formed by double storage batteries and used for supplying power to an automobile.
In this embodiment, one side of the first frame 11 and one side of the second frame 12 are provided with the whole air guide sleeve, the air guide sleeve reduces the wind resistance, and meanwhile, the first frame 11 and the second frame 12 have the function of a support, so that the economical efficiency is further improved on the premise of not increasing the cost.
In this embodiment, the other side of the first frame 11 and the other side of the second frame 12 are provided with fenders, which can protect the mechanical structure and prevent the deposits from entering the mechanical structure of the vehicle.
Example 2:
with reference to fig. 9 and 10, a tractor includes a vehicle body that is provided with the electric-only traction chassis architecture provided in embodiment 1.
The tractor can use the chassis with the short wheelbase, the chassis is integrally designed and arranged, the chassis utilization rate is high, and the whole tractor is good in operation stability, light in weight and low in cost.
In the embodiment, the vehicle body comprises a vehicle head 51, a vehicle body 52 and a vehicle tail 53 which are connected, wherein the vehicle head 51 is a cab, the bottom of the vehicle body 52 is provided with an integrated power battery pure electric traction chassis framework, and the vehicle tail 53 is provided with a single-axle or double-axle electric drive axle for a drive assembly.
Preferably, two bridge electric drive bridge are including forming the first electric drive bridge 61 and the second electric drive bridge 62 of electric drive double bridge, first electric drive bridge 61 and second electric drive bridge 62 all transversely set up and are parallel to each other, both left and right sides of first electric drive bridge 61 and second electric drive bridge 62 all are provided with wheel and driving wheel pivoted electric drive system, the electric drive system who drives the wheel of first electric drive bridge 61 both sides is connected on first electric drive bridge 61, the electric drive system who drives the wheel of second electric drive bridge 62 both sides is connected on second electric drive bridge 62, dynamic property is better.
In conclusion: in the heavy truck technical field of new forms of energy, the technical staff sets up power battery support at the driver's cabin back to the understanding of how to arrange power battery's technical problem ubiquitous, and power battery piles up the setting at the driver's cabin back, and it guides people not to consider the possibility of other aspects, hinders people to the research and the development of this technical field, and the utility model overcomes the technology bias, arranges the chassis with power battery is concentrated, and whole car design requires lowly to the chassis adaptation.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly specified or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Various other modifications and alterations will occur to those skilled in the art upon reading the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. A pure electric traction chassis architecture, characterized in that: the vehicle chassis is provided with one or more groups of battery modules (2), and the battery modules (2) are arranged in a basic frame; one or two sets of electric drive axles are also arranged on the vehicle chassis;
a first connecting frame (14) used for being connected with the vehicle chassis is arranged on one side of the base frame, and the first connecting frame (14) is arranged along the height direction of the base frame;
or the base frame is provided with a second connecting frame (15), and the second connecting frame (15) is used for connecting two adjacent base frames;
or, the base frame is provided with a third connecting frame (16), and the third connecting frame (16) is used for connecting the two base frames.
2. A pure electric traction chassis architecture according to claim 1, characterized in that: an upper surface of the base frame and an upper surface of the vehicle chassis are level.
3. The electric-only traction chassis architecture of claim 1, wherein: the first connecting frame (14) comprises a first connecting plate, a channel steel main body and a second connecting plate, the first connecting plate and the second connecting plate are symmetrically arranged along the central axis of the channel steel main body, and the first connecting plate and the second connecting plate horizontally extend along the length direction of the channel steel main body.
4. The electric-only traction chassis architecture of claim 1, wherein: the second connecting frame (15) is first hollow square steel provided with a plurality of connecting holes, and the first hollow square steel is horizontally arranged between every two adjacent foundation frames.
5. The electric-only traction chassis architecture of claim 1, wherein: the third connecting frame (16) comprises second hollow square steel, and connecting plates are arranged on two sides of the second hollow square steel respectively.
6. A pure electric traction chassis architecture according to claim 1, characterized in that: the foundation frame is further provided with a fourth connecting frame (17), and the fourth connecting frame (17) is vertically arranged on the inner side of a crossbeam of the vehicle chassis.
7. A pure electric traction chassis architecture according to claim 1, characterized in that: the battery module (2) comprises one or two boxes of power batteries.
8. A pure electric traction chassis architecture according to claim 1, characterized in that: and a gas storage cylinder group (3) or a storage battery (4) is arranged in the base frame.
9. A tractor, characterized by: comprising a body provided with a pure electric traction chassis architecture according to any of claims 1-8.
10. The tractor of claim 9, wherein: the vehicle body is provided with a single-bridge or double-bridge electric drive bridge for a drive assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221879728.2U CN217892999U (en) | 2022-07-20 | 2022-07-20 | Pure electric traction chassis framework and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221879728.2U CN217892999U (en) | 2022-07-20 | 2022-07-20 | Pure electric traction chassis framework and tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217892999U true CN217892999U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221879728.2U Active CN217892999U (en) | 2022-07-20 | 2022-07-20 | Pure electric traction chassis framework and tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217892999U (en) |
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2022
- 2022-07-20 CN CN202221879728.2U patent/CN217892999U/en active Active
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