CN216942662U

CN216942662U - Vehicle chassis and vehicle

Info

Publication number: CN216942662U
Application number: CN202220384646.4U
Authority: CN
Inventors: 王君刚; 段增旭; 苏斯寒
Original assignee: Hunan Xingbida Netlink Technology Co Ltd
Current assignee: Hunan Xingbida Netlink Technology Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-07-12
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to the field of hybrid power commercial vehicles, and provides a vehicle chassis and a vehicle. Urea case, power battery, machine controller and cooling module assembly set gradually in the frame assembly left side, and machine controller is located cooling module assembly top, and tail gas aftertreatment device and oil tank set gradually in the frame assembly right side. So set up, realize the rational arrangement of each system component on heavy hybrid commercial car, and after all kinds of system component installation arrangements, it is about the focus falls on the vertical central line of frame assembly as far as possible for the vehicle is more stable at the in-process that traveles. And motor controller and cooling module assembly stack from top to bottom, fully improve chassis space utilization, compact structure, whole car spare part arranges that the integration is better. And the oil tank adopts the side scheme, can set up the large capacity oil tank as required, and fluid filling is convenient.

Description

Vehicle chassis and vehicle

Technical Field

The utility model relates to the technical field of hybrid commercial vehicles, in particular to a vehicle chassis and a vehicle.

Background

Hybrid commercial vehicles are powered by an engine in conjunction with an electric motor, and the presence of the engine, engine cooling system, electric motor, motor controller, motor cooling system, power battery and other conventional system components, etc., makes the system accessories more complex.

However, the existing chassis arrangement structure of the hybrid commercial vehicle adopts linear distribution, namely, all system components are arranged on two sides of the vehicle frame in sequence, the layout is unreasonable, and the chassis space utilization rate is low. And the rearmounted installation of oil tank leads to the oil tank capacity limited, influences the vehicle mileage of continuing a journey, and inconvenient when having the trailer refuels.

Therefore, how to solve the problems that in the prior art, all system components of a chassis of the hybrid commercial vehicle are linearly distributed on two sides of a vehicle frame and are unreasonably arranged, and an oil tank is arranged at the rear part, so that the capacity of the oil tank is limited, the endurance mileage of the vehicle is influenced, and the vehicle is inconvenient to refuel when a trailer exists is an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vehicle chassis and a vehicle, which are used for solving the problems that in the prior art, all system components of the chassis of a hybrid commercial vehicle are linearly distributed on two sides of a vehicle frame and are unreasonably arranged, and an oil tank is arranged at the rear, so that the capacity of the oil tank is limited, the endurance mileage of the vehicle is influenced, and the oil is inconvenient to refuel when a trailer is in existence, so that the reasonable arrangement and the full play of respective functions are realized in a limited chassis space, the vehicle is ensured to be properly and reasonably compliant, and the endurance mileage of the vehicle is effectively ensured.

The present invention provides a vehicle chassis comprising:

a frame assembly;

the urea box, the power battery, the motor controller and the cooling module assembly are sequentially arranged on the left side of the frame assembly, and the motor controller is positioned above the cooling module assembly;

and the tail gas post-treatment device and the oil tank are sequentially arranged on the right side of the frame assembly.

The vehicle chassis provided by the utility model further comprises a hybrid power assembly, wherein the hybrid power assembly is arranged in the frame assembly, and the hybrid power assembly is positioned at the front end of the frame assembly.

According to the vehicle chassis provided by the utility model, the hybrid power assembly comprises an engine, a clutch, a motor and a gearbox, and the hybrid power assembly is provided as a P2 configuration module.

The vehicle chassis provided by the utility model further comprises a battery frame arranged in the middle of the frame assembly, and the battery frame is positioned above the frame assembly.

The vehicle chassis provided by the utility model further comprises a cab arranged at the front end of the frame assembly, and the battery frame is positioned behind the cab.

According to the vehicle chassis provided by the utility model, the cooling module assembly comprises an electric air conditioner, and the motor controller is arranged above the electric air conditioner.

According to the vehicle chassis provided by the utility model, the exhaust aftertreatment device comprises an SCR box, and the SCR box is connected with an exhaust port of the engine.

According to the present invention there is provided a vehicle chassis, said frame assembly comprising:

the left frame longitudinal beam and the right frame longitudinal beam are arranged along the length direction of the frame assembly, and are distributed at intervals along the width direction of the frame assembly;

and the cross beam is arranged along the width direction of the frame assembly, and two ends of the cross beam are respectively connected with the left frame longitudinal beam and the right frame longitudinal beam.

According to the vehicle chassis provided by the utility model, at least two cross beams are arranged, and each cross beam is distributed at intervals along the length direction of the frame assembly.

The utility model also provides a vehicle comprising a vehicle chassis as defined in any one of the preceding claims.

The utility model provides a vehicle chassis which comprises a frame assembly, a urea box, a power battery, a motor controller, a cooling module assembly, a tail gas aftertreatment device and an oil tank. Wherein, urea case, power battery, machine controller and cooling module assembly set gradually in the left side of frame assembly, and machine controller is located the top of cooling module assembly, and tail gas aftertreatment device and oil tank set gradually in the right side of frame assembly. So set up, realize the rational arrangement of each system component on heavy hybrid commercial car, and after all kinds of system component installation arrangements, it is about the focus falls on the vertical central line of frame assembly as far as possible for the vehicle is more steady reliable at the in-process that traveles. And motor controller and cooling module assembly stack from top to bottom, fully improve chassis space utilization, compact structure, whole car spare part arranges that the integration is better. And the oil tank adopts the side scheme, can set up the large capacity oil tank as required, guarantees vehicle continuation of the journey mileage, and fluid filling is convenient, and the front and back axle load distribution is reasonable to each system part orthoscopic of hybrid commercial vehicle chassis distributes in the frame both sides among the prior art, arranges unreasonablely, and the oil tank is rearmounted, limits the oil tank capacity, influences vehicle continuation of the journey mileage, and refuels inconvenient problem when having the trailer.

Drawings

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

FIG. 1 is a top plan view of a vehicle chassis provided by the present invention;

FIG. 2 is a front view of a vehicle chassis provided by the present invention;

FIG. 3 is a partial schematic view of the rear end of the vehicle chassis provided by the present invention;

FIG. 4 is a schematic illustration of a hybrid powertrain provided by the present invention;

reference numerals are as follows:

1: a frame assembly; 2: a urea tank; 3: a power battery; 4: a motor controller; 5: an electric air conditioner; 6: an SCR tank; 7: an oil tank; 8: a battery jar frame; 9: a hybrid power assembly; 10: a cab;

11: a frame left side rail; 12: a frame right side rail; 13: a cross beam;

91: an engine; 92: a motor; 93: a gearbox.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The vehicle chassis of the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1, an embodiment of the present invention provides a vehicle chassis, which includes a frame assembly 1, a urea tank 2, a power battery 3, a motor controller 4, a cooling module assembly, an exhaust gas post-treatment device, and an oil tank 7. Wherein, urea case 2, power battery 3, motor controller 4 and cooling module assembly set gradually in the left side of frame assembly 1, and tail gas aftertreatment device and oil tank 7 set gradually in the right side of frame assembly 1. Thus, all main parts are distributed on two sides of the frame assembly 1 in sequence and are compactly arranged, meanwhile, the center of gravity is reasonably distributed, and the left center of gravity and the right center of gravity are located on the longitudinal central line of the frame assembly 1 as much as possible. Moreover, as shown in fig. 3, the motor controller 4 is located above the cooling module assembly, and is arranged in an up-and-down manner, so that the waste of the space utilization rate of the chassis can be avoided. In addition, the above-mentioned system components such as the urea box 2 and the power battery 3 are mounted on the frame assembly 1 through corresponding bracket accessories, so that the assembly is convenient, and the mutual interference can be avoided. It should be noted that, regarding the placing position of the vehicle chassis shown in fig. 1, the up-down direction in the drawing is the left-right direction, the lower end in the drawing is the left side, the upper end in the drawing is the right side, and the left-right direction in the drawing is the longitudinal direction of the frame assembly 1; in the arrangement position of the vehicle chassis shown in fig. 3, the up-down direction in the figure is the pointed up-down direction.

So set up, realized the rational arrangement of each system component on heavy hybrid commercial car, and after all kinds of system component installation arrangements, it is about the focus falls on 1 vertical central line of frame assembly as far as possible for the vehicle is more steady reliable at the in-process that traveles. And motor controller 4 and cooling module assembly stack from top to bottom, fully improve chassis space utilization, compact structure, whole car spare part arranges that the integration is better. And the oil tank 7 adopts a side scheme, a large-capacity oil tank can be arranged as required, the endurance mileage of the vehicle is ensured, the oil liquid is convenient to fill, and the front and rear axle loads are reasonably distributed, so that the problems that in the prior art, all system components of a chassis of a hybrid power commercial vehicle are linearly distributed on two sides of the vehicle frame and unreasonable in arrangement, and the oil tank is arranged at the rear, the capacity of the oil tank is limited, the endurance mileage of the vehicle is influenced, and the oil is inconvenient to fill when a trailer is provided are solved.

In the embodiment of the present invention, the vehicle chassis further includes a hybrid power assembly 9, as shown in fig. 1, the hybrid power assembly 9 is disposed inside the frame assembly 1, and the hybrid power assembly 9 is located at the front end of the frame assembly 1. The hybrid power assembly 9 serves as a core component of the whole vehicle and provides power for the running of the vehicle. It should be noted that, regarding the arrangement position of the vehicle chassis shown in fig. 1, the left-right direction in the drawing is the front-rear direction, and the left side in the drawing is the front end of the frame assembly 1.

In an embodiment of the utility model, as shown in fig. 4, the hybrid powertrain 9 includes an engine 91, a clutch, an electric machine 92, and a gearbox 93. The motor controller 4 is configured to control an operating state of the motor 92. When the vehicle starts or goes up a slope, the engine 91 and the motor 92 output power through the gearbox 93 simultaneously to drive the vehicle to start or run. When the vehicle goes downhill, the engine 91 outputs power through the gearbox 93 to drive the vehicle to run, and meanwhile, the braking energy is recovered to charge the power battery 3. Thereby effectively improving the fuel economy and reducing the emission. Furthermore, the hybrid powertrain 9 is configured as a P2 configuration module, i.e. the motor 92 is disposed at the input end of the transmission 93, and the motor 92 is disposed between the engine 91 and the transmission 93, so as to achieve a reasonably compact arrangement of the hybrid system, and reduce the load and manufacturing cost of the vehicle.

In the embodiment of the utility model, as shown in fig. 1, the vehicle chassis further comprises a battery frame 8 arranged in the middle of the frame assembly 1, and the battery frame 8 can supply power when the vehicle starts and supply power for vehicle headlights, instrument panels and the like. Moreover, as shown in fig. 3, the battery frame 8 is located above the frame assembly 1 and is mounted on the frame assembly 1 through the bracket accessories, so that the gravity center of the chassis can be distributed on the longitudinal central line of the frame assembly 1, the upper space of the chassis can be fully utilized, the space utilization rate is increased, and the layout is more reasonable and compact.

In an alternative embodiment of the present invention, as shown in fig. 2, the vehicle chassis further includes a cab 10 disposed at the front end of the frame assembly 1, and the battery frame 8 is located behind the cab 10. Set up like this, battery frame 8 is close to driver's cabin 10, and each consumer in convenient and driver's cabin 10 is like instrument panel electricity and electricity connection, and the line connection of being convenient for arranges, saves the cable quantity, prevents the circuit overlength, avoids the cable to distribute in a jumble. In the arrangement position of the vehicle chassis shown in fig. 2, the left-right direction in the drawing is the front-rear direction, the left side in the drawing is the front end of the frame assembly 1, and the right side in the drawing is the rear of the cab 10.

In the embodiment of the present invention, as shown in fig. 3, the cooling module assembly includes an electric air conditioner 5, and the motor controller 4 is disposed above the electric air conditioner 5. By this arrangement, the power battery 3 and the motor 92 can be cooled by the electric air conditioner 5, and the power battery 3 can be heated, so that the system can operate efficiently and reliably. Moreover, the space can be fully utilized by stacking the components up and down.

In the embodiment of the present invention, the exhaust gas aftertreatment device includes an SCR tank 6(Selective Catalytic Reduction, SCR for short), the SCR tank 6 is connected to an exhaust port of the engine 91, and the urea tank 2 can supply urea to the SCR tank 6. By the arrangement, the engine tail gas can be treated through the SCR box 6 so as to meet the requirements of regulations and reach the tail gas emission standard.

In the embodiment of the present invention, the frame assembly 1 includes a left frame longitudinal beam 11, a right frame longitudinal beam 12, and a cross beam 13. As shown in fig. 1, the left frame side member 11 and the right frame side member 12 are disposed along the length direction of the frame assembly 1, and the left frame side member 11 and the right frame side member 12 are distributed at intervals along the width direction of the frame assembly 1. The cross beam 13 is arranged along the width direction of the frame assembly 1, and two ends of the cross beam 13 are respectively connected with the left frame longitudinal beam 11 and the right frame longitudinal beam 12. Thereby forming a frame which plays a role in supporting and fixing so as to install various system accessories. In terms of the arrangement position of the vehicle chassis shown in fig. 1, the vertical direction in the drawing is the width direction of the frame assembly 1, and the horizontal direction in the drawing is the length direction of the frame assembly 1.

In an alternative embodiment of the present invention, there are at least two cross members 13, and each cross member 13 is spaced apart along the length of the frame assembly 1. Wherein, the mounting position of each beam 13 can be specifically determined according to the actual design requirement. Thereby, the structural strength of the frame assembly 1 can be enhanced, the interior of the frame assembly 1 can be divided into different mounting areas, and the frame assembly can be used as a mounting support beam of system accessories.

The vehicle chassis of the present invention will be described in detail with reference to the above embodiments. The embodiment of the utility model provides a vehicle chassis which comprises a frame assembly 1, a urea box 2, a power battery 3, a motor controller 4, an electric air conditioner 5, an SCR box 6, an oil tank 7, a battery frame 8, a hybrid power assembly 9 and the like. The frame assembly 1 comprises a left frame longitudinal beam 11, a right frame longitudinal beam 12 and a cross beam 13. Specifically, the left frame longitudinal beam 11 is sequentially provided with a urea box 2, a power battery 3, a motor controller 4 and an electric air conditioner 5, and the motor controller 4 is positioned above the electric air conditioner 5. The SCR box 6 and the oil tank 7 are sequentially arranged on the frame right longitudinal beam 12, and a safety distance is reserved between the SCR box 6 and the oil tank 7. The power battery 3 and the oil tank 7 are respectively arranged at two sides of the frame assembly 1, so that the use is safer. The battery frame 8 is disposed above the frame assembly 1 and behind the cab 10. The hybrid power assembly 9 is arranged inside the frame assembly 1 and is positioned at the front end of the frame assembly 1. The hybrid powertrain 9 includes an engine 91, a clutch, an electric machine 92, and a transmission 93, employing a P2 configuration module. It should be noted that, the above components are all installed on the frame assembly 1 through corresponding bracket accessories, so as to avoid mutual interference. After the installation of the system components, the center of gravity is as far as possible on the longitudinal center line of the frame assembly 1.

To sum up, the vehicle chassis that this embodiment provided has solved the rational arrangement problem of spare parts such as engine, gearbox, whole car group, cooling module and battery in the finite space, can apply to heavy commercial car, has realized the rational arrangement of hybrid power system on the heavy commercial car. Each spare part module position sets up rationally among this chassis arrangement structure, compact structure, and whole car spare part arranges the integrated nature better, fully considers frame upper portion space, utilizes the vertical formula to stack and arranges, improves the utilization ratio in chassis space, suitability, rationality and compliance, and control the focus and distribute rationally, and it is more stable to go under each operating mode. And the oil tank adopts the side scheme, can set up the large capacity oil tank as required, and fluid filling is convenient, and front and back axle load distribution is reasonable.

The vehicle provided by the utility model is described below, and the vehicle described below and the vehicle chassis described above are referred to correspondingly.

The embodiment of the utility model also provides a vehicle, in particular to a hybrid commercial vehicle and the like. Wherein the vehicle comprises a vehicle chassis as in the embodiments described above. So set up, realized the rational arrangement of each system component on heavy hybrid commercial car, and after all kinds of system component installation arrangements, it is about the focus falls on 1 vertical central line of frame assembly as far as possible for the vehicle is more steady reliable at the in-process that traveles. And motor controller 4 and cooling module assembly stack from top to bottom, fully improve chassis space utilization, compact structure, whole car spare part arranges that the integration is better. And the oil tank 7 adopts the side scheme, can set up the large capacity oil tank as required, guarantees the vehicle continuation of the journey mileage, and fluid filling is convenient, and the front and back axle load distribution is reasonable to it distributes in the frame both sides to have solved among the prior art each system part orthoscopic of hybrid commercial vehicle chassis, arranges unreasonablely, and the oil tank is rearmounted, limits the oil tank capacity, influences the vehicle continuation of the journey mileage, and refuels inconvenient problem when having the trailer. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect of the vehicle chassis, and therefore, the description is omitted here.

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

Claims

1. A vehicle chassis, comprising:

a frame assembly;

2. The vehicle chassis of claim 1, further comprising a hybrid assembly disposed within the frame assembly, the hybrid assembly being located at a front end of the frame assembly.

3. The vehicle chassis of claim 2, wherein the hybrid powertrain includes an engine, a clutch, an electric machine, and a transmission, and is configured as a P2 configuration module.

4. The vehicle chassis of claim 1, further comprising a battery frame disposed in a middle portion of the frame assembly, and the battery frame is positioned above the frame assembly.

5. The vehicle chassis of claim 4, further comprising a cab disposed at a front end of the frame assembly, the battery frame being located rearward of the cab.

6. The vehicle chassis of claim 1, wherein the cooling module assembly includes an electric air conditioner, the motor controller being disposed above the electric air conditioner.

7. The vehicle chassis of claim 3, wherein the exhaust aftertreatment device comprises an SCR tank connected to an exhaust port of the engine.

8. The vehicle chassis of claim 1, wherein the frame assembly comprises:

9. The vehicle chassis of claim 8, wherein there are at least two of the cross members, and wherein each of the cross members is spaced apart along a length of the frame assembly.

10. A vehicle, characterized in that it comprises a vehicle chassis according to any of claims 1-9.