CN210133186U - Chassis structure of pure electric traction vehicle - Google Patents
Chassis structure of pure electric traction vehicle Download PDFInfo
- Publication number
- CN210133186U CN210133186U CN201920923787.7U CN201920923787U CN210133186U CN 210133186 U CN210133186 U CN 210133186U CN 201920923787 U CN201920923787 U CN 201920923787U CN 210133186 U CN210133186 U CN 210133186U
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- vehicle
- battery pack
- frame
- chassis structure
- pure electric
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- 230000001681 protective effect Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 239000000725 suspension Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000005477 standard model Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a pure electric traction vehicle chassis structure belongs to vehicle chassis technical field. Comprises a frame, a battery pack bearing frame, a saddle and wheels. Wherein, the left side and the right side of the middle part of the frame are respectively provided with a storage bin; along the advancing direction of the vehicle, the battery pack bearing frame is arranged on the vehicle frame and arranged on the front side, the battery pack bearing frame can bear the power battery pack, and the power battery pack is detachably connected with the battery pack bearing frame; the saddle is arranged on the rear side of the vehicle in the forward direction of the vehicle, the saddle is used for being connected with the towed vehicle, and the wheels are rotatably arranged below the frame. Through utilizing the position that battery pack bearing frame has replaced conventional vehicle driver's cabin, optimize and arrange the space, be provided with the storage storehouse respectively in frame both sides, be convenient for hold the control assembly and the electronic annex of vehicle, the space of make full use of vehicle both sides to shorten whole car length, fully improve whole car mobility and then improve transportation operating efficiency.
Description
Technical Field
The utility model relates to an automobile chassis technical field especially relates to a pure electric traction vehicle chassis structure.
Background
With the rapid development of new energy technologies and the support of national policies, pure electric trucks rapidly rise on the large background of green energy conservation and environmental protection.
The common pure electric truck is limited by the arrangement problem, the battery pack has small electric quantity and is inconvenient to disassemble and assemble, the wheelbase of the whole truck is long, the maneuverability is poor, and the operation efficiency is low. How to reasonably carry out the space arrangement, axle load distribution and driving range improvement of the heavy-duty pure electric truck will directly influence the safety and reliability of the whole truck.
In order to solve the above problems, there is a need for a transportation device that is electrically powered, can achieve flexible maneuverability, is significantly improved in terms of transportation efficiency, assembly resources, cost, light weight, and the like, and can stably and reliably improve port loading and unloading operation efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pure electric traction vehicle chassis structure, this pure electric traction vehicle chassis structure do not have driver's cabin, rational in infrastructure, mobility is nimble, the battery is capacious, can effectively improve the conveying efficiency of tractor, has obvious improvement in the aspect of economic cost, lightweight simultaneously, and then has improved the operating efficiency.
As the conception, the utility model adopts the technical proposal that:
a pure electric traction vehicle chassis structure, includes:
the left side or the right side of the middle part of the frame is respectively provided with a storage bin;
the battery pack bearing frame is arranged on the frame and arranged on the front side along the advancing direction of the vehicle, the battery pack bearing frame can bear a power battery pack, and the power battery pack is detachably connected with the battery pack bearing frame;
the saddle is arranged on the rear side of the vehicle along the advancing direction of the vehicle and is used for being connected with a towed vehicle; and
and the wheels are rotatably arranged below the frame.
Further, the frame is of a straight beam structure with a uniform cross section.
Further, the length of the frame is 4000mm-4800 mm.
Further, the chassis structure of the pure electric traction vehicle further comprises a protective cover, and the protective cover is arranged on the battery pack bearing frame.
Further, pure electric traction vehicle chassis structure still includes driving system, driving system includes driving motor and transaxle, driving motor with the transaxle is connected, along the direction of advance of vehicle, the transaxle set up in the rear side of frame, and be located the rear side of saddle, driving motor set up in group battery bearing frame's below and set up in on the frame, the group battery with driving motor connects, the both ends of transaxle are provided with one respectively the wheel.
Furthermore, the power system further comprises a rotating shaft, one end of the rotating shaft is connected to the output end of the driving motor, and the other end of the rotating shaft is connected to the driving axle.
Furthermore, the chassis structure of the pure electric tractor further comprises a steering axle which is arranged below the frame and along the advancing direction of the vehicle, the steering axle is arranged on the front side of the frame, and two ends of the steering axle are respectively connected with one wheel.
Furthermore, the chassis structure of the pure electric traction vehicle further comprises two charging seats arranged on the storage bin, and the two charging seats are connected with the power battery pack.
Further, a bin body framework is arranged in the storage bin, and an insulating shock pad is arranged on the bin body framework.
Further, the chassis structure of the pure electric traction vehicle further comprises a cooling module which is arranged right below the power battery pack, and the cooling module is configured to cool the driving motor and the power battery pack.
The utility model has the advantages that:
the utility model provides a pure electric traction vehicle chassis structure, including frame, group battery bearing frame, saddle and wheel. Wherein, the left side and the right side of the middle part of the frame are respectively provided with a storage bin; along the advancing direction of vehicle, group battery load-bearing frame sets up on the frame and sets up in the front side, and group battery load-bearing frame can bear the power battery group, and the power battery group can be dismantled with group battery load-bearing frame and be connected, and its electric quantity accessible its load-bearing frame opens the top space for accommodation space increases, can install more power battery groups, with the improvement continuation of the journey mileage. In the direction of advance of the vehicle, a saddle is arranged at the rear side of the vehicle, the saddle being intended to be connected to a towed trailer, and wheels, which are rotatably mounted below the frame. The position of a conventional vehicle cab is replaced by the battery pack bearing frame, the space is optimized, the storage bins on the two sides of the vehicle frame respectively contain the control assembly and the electric accessories of the vehicle, the oil, the gas circuit and the circuit of the vehicle are arranged in a split mode, the space on the two sides of the vehicle is fully utilized, the length of the whole vehicle is shortened, the maneuverability of the whole vehicle is fully improved, and the transportation operation efficiency is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a chassis structure of a tractor provided by the present invention;
fig. 2 is a schematic structural diagram of a battery module provided by the present invention;
fig. 3 is a side view of a tractor chassis structure provided by the present invention;
fig. 4 is a top view of the tractor chassis structure provided by the present invention.
In the figure:
1. a frame; 2. a saddle; 3. a drive axle; 4. a support; 5. a rotating shaft; 6. a leaf spring suspension; 7. a battery module; 8. a power battery pack; 9. a protective cover; 10. a left functional bin; 11. a right functional bin; 12. a wheel; 13. a steering axle; 14. a drive motor; 15. a charging seat; 16. a bolt; 17. a nut; 18. a battery fixing plate; 19. the battery pack carries the frame.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
As shown in fig. 1-4, the chassis structure of the pure electric traction vehicle comprises a vehicle frame 1, a battery pack module 7, a saddle 2 and wheels 12. Wherein the battery module 7 comprises a battery carrying frame 19 and a power battery 8.
Specifically, the frame 1 is of a uniform-section straight beam structure, the frame 1 is of an inner-outer double-layer reinforcing structure, namely the frame is formed by welding two matched uniform-section straight beams, and compared with a variable-section longitudinal beam, the variable-section longitudinal beam is simple in structure and high in strength. Further, in the forward direction of the vehicle, the battery pack carrying frame 19 is provided on the front side of the vehicle frame 1, and the saddle 2 is fixed to the rear side of the vehicle frame 1, to achieve reasonable distribution of loads applied to the front and rear of the chassis. Preferably, the length of the frame 1 is 4000mm-4800mm, so that the flexibility and maneuverability of the vehicle in the moving and turning processes can be greatly improved, and the efficiency of traction operation is improved.
Wherein, the left side and the right side of the middle part of the frame 1 are respectively provided with a storage bin. In the present embodiment, the storage bins include a left functional bin 10 and a right functional bin 11. The left side function cabin 10 is used for storing the control assembly, the right side function cabin 11 is used for storing electric accessories (such as an electric air compressor, an electro-hydraulic steering gear and the like), oil, air passages and circuits of the vehicle are respectively arranged in a side-by-side mode, and maintenance is facilitated.
In addition, be provided with storehouse body skeleton in the storage storehouse, be provided with insulating shock pad on the storehouse body skeleton to cushion the spare part of putting into in the storage storehouse, prevent to cause the damage of spare part because of jolting.
Along the advancing direction of the vehicle, the battery pack bearing frame 19 is arranged on the vehicle frame 1 and arranged on the front side, the battery pack bearing frame 19 can bear the power battery pack 8, and the power battery pack 8 is detachably connected with the battery pack bearing frame 19. Specifically, the battery pack bearing frame 19 is arranged at the cab position of the traditional vehicle, so that the space on the vehicle frame 1 is efficiently utilized, the length of the whole vehicle can be shortened, and the flexible maneuverability of the vehicle during working is facilitated.
In the direction of advance of the vehicle, a saddle 2 is arranged on the rear side of the vehicle, the saddle 2 being intended to be connected to a towed trailer. Specifically, to balance the front and rear loads of the vehicle, the saddle 2 is disposed on the vehicle frame 1 a certain distance in front of the transaxle 3. When the vehicle moves forwards, the power battery pack 8 positioned in the front can provide power for the whole vehicle, and the saddle 2 positioned in the rear can perform traction operation on the trailer to be towed, so that the stability of the vehicle in the driving process is ensured.
In this embodiment, a plurality of wheels 12 are rotatably mounted below the frame 1. This pure electric traction vehicle chassis has replaced the position of conventional vehicle driver's cabin through utilizing battery group bearing frame 19, optimizes the layout space, is provided with the storage storehouse respectively in 1 both sides of frame, holds the control assembly and the electronic annex of vehicle respectively, the space of make full use of vehicle both sides to shorten whole car length, fully improve whole car mobility and then improve transportation operating efficiency.
As shown in fig. 2, the battery pack supporting frame 19 is fixed on the ventral surface of the longitudinal beam of the vehicle frame 1 through four supports 4, each support 4 is fastened with the vehicle frame 1 through a group of bolts 16 and nuts 17, meanwhile, the groove-shaped supports on the two sides of the bottom are respectively fixed with the upper wing surface of the vehicle frame 1 through five groups of bolts 16 and nuts 17, a battery fixing plate 18 which penetrates front and back and plays the role of a slideway is arranged on each layer of frame, the power battery pack 8 is placed on the battery fixing plate 18 and pushed into the battery pack supporting frame 19, and the installation of the power battery packs 8 of different models can be met by adjusting the fixing hole positions on the battery fixing plate 18, in addition, the power battery pack 8 is formed by connecting a plurality of batteries of standard models in series, and.
Specifically, the battery pack protective cover 9 is fixed on the battery pack bearing frame 19 through the bracket 4 to effectively protect the power battery pack 8, and the left side and the right side of the battery pack protective cover are provided with ventilation grids, so that the heat dissipation of the power battery pack 8 is facilitated, and the service life of a battery is effectively prolonged; the upper space of the battery pack module 7 is open, and the electric quantity of the power battery pack 8 can be increased by adjusting the layer number of the battery pack bearing frame 19 and the height of the battery pack protective cover 9, so that the driving range of the whole vehicle is effectively increased.
Furthermore, the utility model provides a two kinds of power battery 8's charge mode, include:
1) and a quick charging mode: when the electric quantity of the power battery pack 8 is lower than 30%, the power battery pack 8 can be slowly charged through the charging seat 15, so that shallow charging and discharging of the power battery pack 8 are guaranteed, and the service life of the battery pack is prolonged to the maximum extent. Because the two charging seats 15 are provided in the embodiment, when the vehicle is in low electric quantity and needs to run efficiently, a quick charging mode, namely a double-gun charging mode, is adopted, so that the electric energy can be quickly supplemented to the power battery pack 8, the charging efficiency is improved, and the efficiency of transportation operation is improved;
2) and a battery replacement mode: when the electric quantity of the battery is lower than 30%, a quick battery replacement mode is adopted, the battery pack module 7 at the upper part of the frame 1 is replaced in a unified mode or a single battery is replaced, the battery pack module 7 is detached in a unified mode and replaced with a new battery pack module; the latter detaches the batteries with low electric quantity, and then quickly loads the fully charged battery pack onto the battery pack bearing frame 19, so as to realize the quick supplement of the power source and improve the efficiency of port transportation operation.
In addition, in order to charge power battery group 8, be provided with charging seat 15 on the storage storehouse, charging seat 15 is connected with power battery group 8, and charging seat 15 can external electric pile that fills to charge power battery group 8.
The chassis structure of the pure electric tractor further comprises a power system, the power system comprises a driving motor 14 and a driving axle 3, the driving motor 14 is connected with the driving axle 3, the driving axle 3 is arranged on the rear side of the vehicle along the advancing direction of the vehicle, the driving motor 14 is arranged below the battery pack bearing frame 19 and arranged on the frame 1, the battery pack module 7 is connected with the driving motor 14, and two ends of the driving axle 3 are respectively provided with a wheel 12.
The power system also comprises a rotating shaft 5, one end of the rotating shaft 5 is connected with the output end of the driving motor 14, and the other end of the rotating shaft 5 is connected with the drive axle 3. The chassis structure of the pure electric tractor further comprises a steering axle 13 which is arranged below the frame 1, the steering axle 13 is arranged on the front side of the frame 1 along the advancing direction of the vehicle, and two ends of the steering axle 13 are respectively connected with a wheel 12.
Be equipped with leaf spring suspension 6 between steer axle 13 and the frame 11, be equipped with the rubber mound suspension between transaxle 3 and the frame 1, match the distance rod, compare traditional car rear axle leaf spring suspension and can effectively improve shock resistance, can reduce simultaneously because the shared wheel base of leaf spring suspension and rear overhang space, further shorten whole car length.
The whole vehicle is directly driven by the motor to be in a configuration, the electric accessories are arranged in the left storage bin and the right storage bin, the chassis wheelbase is effectively reduced, in the embodiment, the chassis wheelbase can be shortened to 3000mm, and the steering system is arranged behind the front axle, so that the front overhang length is effectively shortened. The whole car length is equivalent to a B-level car, the whole car maneuverability is fully improved, the transportation operation efficiency is further improved, and the whole car maneuverability is effectively improved. The driving motor 14 is arranged on the inner side of the longitudinal beam of the frame 1 above the steering axle 13, and it is noted that the driving motor 14 is arranged close to the front axle as much as possible so as to achieve the purpose of reasonably utilizing the load capacity of the front axle. And is connected with the frame 1 through a suspension, and since the driving motor 14 belongs to a vibration noise component, an insulating shock pad is mounted thereon and is connected with the frame 1 through a bonding wire.
In addition, the tractor chassis structure that this embodiment provided still includes the cooling module, and it arranges in the anterior group battery module 7 in chassis below to link to each other with frame 1, whole car driving in-process cools off driving motor 14, power battery 8, in order to prevent that the tractor from causing the damage of components and parts because of the high temperature during operation.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a pure electric traction vehicle chassis structure which characterized in that includes:
the left side or the right side of the middle part of the frame (1) is respectively provided with a storage bin;
the battery pack bearing frame (19) is arranged on the vehicle frame (1) and arranged on the front side along the advancing direction of the vehicle, the battery pack bearing frame (19) can bear a power battery pack (8), and the power battery pack (8) is detachably connected with the battery pack bearing frame (19);
a saddle (2), the saddle (2) is arranged at the rear side of the vehicle along the advancing direction of the vehicle, and the saddle (2) is used for being connected with a towed vehicle; and
and the wheels (12), a plurality of the wheels (12) are rotatably arranged below the frame (1).
2. The chassis structure of the pure electric traction vehicle as claimed in claim 1, wherein the frame (1) is a straight beam structure with a uniform cross section.
3. The chassis structure of the pure electric traction vehicle as claimed in claim 1, wherein the length of the vehicle frame (1) is 4000mm-4800 mm.
4. The chassis structure of the pure electric traction vehicle as claimed in claim 1, further comprising a protective cover (9), wherein the protective cover (9) is covered on the battery pack carrying frame (19).
5. The pure electric traction vehicle chassis structure according to any one of claims 1 to 4, further comprising a power system, wherein the power system comprises a driving motor (14) and a driving axle (3), the driving motor (14) is connected with the driving axle (3), the driving axle (3) is disposed at the rear side of the vehicle frame (1) and is located at the rear side of the saddle (2) along the advancing direction of the vehicle, the driving motor (14) is disposed below the battery pack bearing frame (19) and is disposed on the vehicle frame (1), the power battery pack (8) is connected with the driving motor (14), and two ends of the driving axle (3) are respectively provided with one wheel (12).
6. The chassis structure of the pure electric traction vehicle as claimed in claim 5, wherein the power system further comprises a rotating shaft (5), one end of the rotating shaft (5) is connected to the output end of the driving motor (14), and the other end of the rotating shaft is connected to the driving axle (3).
7. The pure electric traction vehicle chassis structure according to claim 1, further comprising a steering axle (13) disposed below the vehicle frame (1) along a forward direction of the vehicle, wherein the steering axle (13) is disposed at a front side of the vehicle frame (1), and two ends of the steering axle (13) are respectively connected with one of the wheels (12).
8. The chassis structure of the pure electric traction vehicle as claimed in claim 1, further comprising two charging seats (15) disposed on the storage bin, wherein the two charging seats (15) are connected to the power battery pack (8).
9. The chassis structure of the pure electric traction vehicle of claim 8, wherein a bin body framework is arranged in the storage bin, and an insulating shock pad is arranged on the bin body framework.
10. The purely electric tractor chassis structure according to claim 5, characterized in that it further comprises a cooling module arranged directly below the power battery pack (8), said cooling module being configured to cool the drive motor (14) and the power battery pack (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920923787.7U CN210133186U (en) | 2019-06-19 | 2019-06-19 | Chassis structure of pure electric traction vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920923787.7U CN210133186U (en) | 2019-06-19 | 2019-06-19 | Chassis structure of pure electric traction vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210133186U true CN210133186U (en) | 2020-03-10 |
Family
ID=69706333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920923787.7U Withdrawn - After Issue CN210133186U (en) | 2019-06-19 | 2019-06-19 | Chassis structure of pure electric traction vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210133186U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276969A (en) * | 2021-07-01 | 2021-08-20 | 湖北东瀚空港设备科技有限公司 | Tractor for bulk goods in airport |
| CN113879396A (en) * | 2021-10-22 | 2022-01-04 | 一汽解放汽车有限公司 | Chassis structure and electric automobile |
| CN117818673A (en) * | 2024-03-06 | 2024-04-05 | 成都壹为新能源汽车有限公司 | Double-rail flaw detection tractor |
-
2019
- 2019-06-19 CN CN201920923787.7U patent/CN210133186U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276969A (en) * | 2021-07-01 | 2021-08-20 | 湖北东瀚空港设备科技有限公司 | Tractor for bulk goods in airport |
| CN113879396A (en) * | 2021-10-22 | 2022-01-04 | 一汽解放汽车有限公司 | Chassis structure and electric automobile |
| CN117818673A (en) * | 2024-03-06 | 2024-04-05 | 成都壹为新能源汽车有限公司 | Double-rail flaw detection tractor |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200310 Effective date of abandoning: 20240903 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200310 Effective date of abandoning: 20240903 |