New energy small truck modular frame arrangement structure and commercial vehicle

Abstract

The invention relates to a modularized frame arrangement structure of a new energy small truck, a cab is arranged at the upper end of a frame assembly through a front suspension and a rear suspension, the frame assembly comprises a left longitudinal beam, a right longitudinal beam and a cross beam, the left longitudinal beam and the right longitudinal beam are connected through the cross beam, and an integrated support I and an integrated support II are arranged below the cab; the first integrated support is provided with an integrated controller and a storage battery, the second integrated support is provided with a vacuum boosting system, a radiator, an ABS controller and an air conditioner compressor, and the vacuum boosting system is connected with an electric rear drive axle and a front steering shaft through brake oil pipes. The power battery is arranged in the middle of the left longitudinal beam and the right longitudinal beam and located between the left longitudinal beam and the right longitudinal beam, and the overall ground clearance is increased, so that the collision safety of the power battery is improved, and the risk of bottom damage under poor road conditions is effectively reduced; and the driving motor and the electric rear drive axle are integrally arranged, so that the arrangement space is saved, and the original transmission system space is released to accommodate battery packs with different capacities and specifications.

Description

Technical Field

[0001] The present invention relates to the technical field of commercial vehicles, and in particular to a modular frame arrangement structure of a new energy light truck and a commercial vehicle. Background Art

[0002] With the vigorous promotion of new energy commercial vehicles, new energy light trucks, as the main force in the urban distribution transportation market, have driven the rapid development of the urban terminal distribution market; traditional fuel light trucks emit a large amount of exhaust gas, causing certain pollution to the environment, while new energy light trucks use pure electric drive, with a simple vehicle structure, a high degree of modularization, and are more environmentally friendly, meeting the requirements of sustainable development.

[0003] However, existing new energy small trucks are equipped with power battery packs and drive motors. The power battery packs are usually configured with two power batteries or four power batteries, and the power batteries are symmetrically arranged on both sides of the frame assembly. The drive motor is located between the left and right power batteries and drives the rear drive axle through the transmission shaft. The layout structure has a low degree of integration, many parts, a complex structure, and a large vehicle weight. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a modular frame layout structure for a new energy small truck and a commercial vehicle, so that the frame layout scheme of the new energy small truck is more reasonable, safe, compact, modular, serialized and other characteristics, meeting different upper installation requirements. In addition, the modular design can increase product expansion and effectively reduce product development costs and vehicle weight.

[0005] In order to solve the problems in the above background technology, the present invention is implemented by the following technical solutions:

[0006] A modular frame layout structure of a new energy small truck includes a frame assembly and a cab, wherein the cab is arranged on the upper end of the frame assembly through front and rear suspensions, the frame assembly includes a left longitudinal beam, a right longitudinal beam, and a cross beam, the left longitudinal beam and the right longitudinal beam are connected through the cross beam, an integrated bracket 1 and an integrated bracket 2 are arranged under the cab, the integrated bracket 1 is provided with an integrated controller and a battery, the integrated bracket 2 is provided with a vacuum power assist system, a radiator, an ABS controller and an air-conditioning compressor, and the vacuum power assist system is respectively connected to an electric rear drive axle and a front steering shaft through brake oil pipes.

[0007] Preferably, the left longitudinal beam and the right longitudinal beam are straight beams of equal width, and the vacuum assist system includes a vacuum pump and a vacuum cylinder.

[0008] Preferably, the front steering shaft and the electric rear drive axle are both connected to tires, and the brake oil pipes are respectively arranged at the lower ends of the ventral surfaces of the left longitudinal beam and the right longitudinal beam; the front steering shaft is connected to the frame assembly through the front suspension, and the electric rear drive axle is connected to the frame assembly through the rear suspension, the electric rear drive axle is provided with a drive motor, and the cab rear suspension is also provided with a fender, and the fender is located above the front steering shaft and the tire.

[0009] Preferably, the frame assembly is further provided with a power battery, a connecting plate is provided at the lower end of the power battery, and the upper ends of the connecting plate are respectively connected to the outer sides of the ventral surfaces of the left longitudinal beam and the right longitudinal beam.

[0010] Preferably, a high-voltage wiring harness is provided on the upper end of the belly surface of the left longitudinal beam, and a low-voltage wiring harness is provided on the upper end of the belly surface of the right longitudinal beam.

[0011] Preferably, the frame assembly is also provided with a spare tire lifting device.

[0012] A commercial vehicle comprises a modular frame arrangement structure of a new energy small truck as described above, wherein the commercial vehicle is a new energy small truck.

[0013] Compared with the prior art, the present invention has the following beneficial technical effects:

[0014] The power battery is arranged in the middle of the left and right longitudinal beams and between the left and right longitudinal beams. The overall ground clearance is increased, which improves the collision safety of the power battery and effectively reduces the risk of bottom damage under poor road conditions. The drive motor and the electric rear drive axle are integrated to save layout space, so that the original transmission system space is released to accommodate battery packs of different capacities and specifications.

[0015] The integrated controller and battery are integrated into the controller bracket and assembled on the frame assembly after sub-packaging, which optimizes the production process and improves production efficiency. The cab can be flipped to effectively utilize the space under the cab, which is also conducive to fault repair and parts maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 It is a schematic diagram of the top view of the frame assembly of the present invention;

[0018] Figure 3 It is a schematic diagram of the installation structure of the drive axle, power battery and frame assembly of the present invention;

[0019] Figure 4 It is a schematic diagram of the installation structure of the controller bracket and the frame assembly of the present invention.

[0020] Reference numerals:

[0021] 1. Cab; 2. Power battery; 3. Drive motor; 4. Electric rear drive axle; 5. Spare tire lifting device; 6. Tire; 7. Rear suspension; 8. Fender; 9. Air conditioning compressor; 10. Vacuum power system; 11. Radiator; 12. Front steering shaft; 13. Battery; 14. Integrated controller; 15. Frame assembly; 151. Left longitudinal beam; 152. Right longitudinal beam; 153. Cross beam; 154. Integrated bracket 1; 155. Integrated bracket 2; 16. Rear suspension; 17. Vacuum pump; 18. Front suspension; 19. Steering gear bracket; 20. Front suspension; 21. ABS controller; 22. Vacuum cylinder. DETAILED DESCRIPTION

[0022] Example 1

[0023] like Figure 1-Figure 4 As shown, a modular frame layout structure of a new energy light truck includes a frame assembly 15 and a cab 1. The cab 1 is arranged on the upper end of the frame assembly 15 through a front suspension 20 and a rear suspension 16. The frame assembly 15 includes a left longitudinal beam 151, a right longitudinal beam 152, and a cross beam 153. The left longitudinal beam 151 and the right longitudinal beam 152 are connected by the cross beam 153. An integrated bracket 154 and an integrated bracket 2 155 are arranged under the cab 1. The integrated bracket 154 is provided with an integrated controller 14 and a battery 13. The integrated bracket 2 155 is provided with a vacuum assist system 10, a radiator 11, an ABS controller 21 and an air-conditioning compressor 9. The vacuum assist system 10 is respectively connected to the electric rear drive axle 4 and the front steering shaft 12 through brake oil pipes.

[0024] The left longitudinal beam 151 and the right longitudinal beam 152 are straight beams of equal width. The vacuum boosting system 10 includes a vacuum pump 17 and a vacuum cylinder 22 .

[0025] The front steering shaft 12 and the electric rear drive axle 4 are both connected to the tire 6, and the brake oil pipes are respectively arranged at the lower ends of the ventral surfaces of the left longitudinal beam 151 and the right longitudinal beam 152; the front steering shaft 12 is connected to the frame assembly 15 through the front suspension 18, and the electric rear drive axle 4 is connected to the frame assembly 15 through the rear suspension 7, the electric rear drive axle 4 is provided with a drive motor 3, and the cab rear suspension 16 is also provided with a fender 8, and the fender 8 is located above the front steering shaft 12 and the tire 6.

[0026] The vehicle frame assembly 15 is also provided with a power battery 2 , and a connecting plate is provided at the lower end of the power battery 2 , and the upper end of the connecting plate is respectively connected to the outer side of the ventral surface of the left longitudinal beam 151 and the right longitudinal beam 152 .

[0027] A high-voltage wiring harness is provided at the upper end of the ventral surface of the left longitudinal beam 151 , and a low-voltage wiring harness is provided at the upper end of the ventral surface of the right longitudinal beam 152 .

[0028] The vehicle frame assembly 15 is also provided with a spare tire lifting device 5 .

[0029] Example 2

[0030] A commercial vehicle includes any of the above modular frame layout structures for new energy light trucks, wherein the commercial vehicle is a new energy light truck.

Claims

1. A modular frame layout structure for a new energy light truck, characterized in that: The invention comprises a frame assembly (15) and a cab (1), wherein the cab (1) is arranged on the upper end of the frame assembly (15) via a front suspension (20) and a rear suspension (16), wherein the frame assembly (15) comprises a left longitudinal beam (151), a right longitudinal beam (152) and a cross beam (153), wherein the left longitudinal beam (151) and the right longitudinal beam (152) are connected via the cross beam (153), wherein an integrated bracket 1 (154) and an integrated bracket 2 (155) are arranged below the cab (1), wherein the integrated bracket 1 (154) is provided with an integrated controller (14) and a battery (13), wherein the integrated bracket 2 (155) is provided with a vacuum boost system (10), a radiator (11), an ABS controller (21) and an air conditioning compressor (9), wherein the vacuum boost system (10) is respectively connected to an electric rear drive axle (4) and a front steering shaft (12) via a brake oil pipe.

2. The modular frame layout structure of the new energy small truck according to claim 1 is characterized in that: The left longitudinal beam (151) and the right longitudinal beam (152) are straight beams of equal width, and the vacuum boosting system (10) comprises a vacuum pump (17) and a vacuum cylinder (22).

3. The modular frame layout structure of the new energy small truck according to claim 2 is characterized in that: The front steering shaft (12) and the electric rear drive axle (4) are both connected to the tire (6), and the brake oil pipe is respectively arranged at the lower end of the belly surface of the left longitudinal beam (151) and the right longitudinal beam (152); the front steering shaft (12) is connected to the frame assembly (15) through the front suspension (18), and the electric rear drive axle (4) is connected to the frame assembly (15) through the rear suspension (7), and the electric rear drive axle (4) is provided with a drive motor (3), and the cab rear suspension (16) is also provided with a fender (8), and the fender (8) is located above the front steering shaft (12) and the tire (6).

4. The modular frame layout structure of the new energy small truck according to claim 3 is characterized in that: The vehicle frame assembly (15) is also provided with a power battery (2), and a connecting plate is provided at the lower end of the power battery (2), and the upper end of the connecting plate is respectively connected to the outer side of the ventral surface of the left longitudinal beam (151) and the right longitudinal beam (152).

5. The modular frame layout structure of the new energy small truck according to claim 4 is characterized in that: A high-voltage wire harness is provided at the upper end of the ventral surface of the left longitudinal beam (151), and a low-voltage wire harness is provided at the upper end of the ventral surface of the right longitudinal beam (152).

6. The modular frame layout structure of the new energy small truck according to claim 1 is characterized in that: The vehicle frame assembly (15) is also provided with a spare tire lifting device (5).

7. A commercial vehicle, comprising the modular frame arrangement structure of a new energy light truck according to any one of claims 1 to 6, characterized in that: The commercial vehicle is a new energy small truck.

Images