阅读说明：本技术 一种氢燃料牵引车的底盘布置结构及氢燃料牵引车 (Chassis arrangement structure of hydrogen fuel tractor and hydrogen fuel tractor ) 是由 黄晶晶 胡克非 余庆杰 于 2021-09-24 设计创作，主要内容包括：本发明涉及一种氢燃料牵引车的底盘布置结构及氢燃料牵引车,其包括：车架,所述车架包括平行设置的第一大梁和第二大梁；驾驶室,其固定于所述车架的上方；燃料电池发动机,其位于所述第一大梁与所述第二大梁之间,且布置于所述驾驶室的下方；以及储氢系统,其固定于所述车架的上方,且布置于所述驾驶室的后背,所述储氢系统的底部布设高压附件。本发明将燃料电池发动机布置于驾驶室下方,将储氢系统固定于车架的上方,使所述车架底部具有足够的空间来放置其他系统,且将所述储氢系统布置于所述驾驶室的后背,充分利用了所述驾驶室与车厢之间的空隙,因此,提升了整个车辆的空间利用率。(The invention relates to a chassis arrangement structure of a hydrogen fuel tractor and the hydrogen fuel tractor, comprising: the frame comprises a first crossbeam and a second crossbeam which are arranged in parallel; a cab fixed above the frame; a fuel cell engine located between the first and second girders and arranged below the cab; and the hydrogen storage system is fixed above the frame and arranged on the back of the cab, and a high-pressure accessory is arranged at the bottom of the hydrogen storage system. The fuel cell engine is arranged below the cab, the hydrogen storage system is fixed above the frame, so that the bottom of the frame has enough space for placing other systems, and the hydrogen storage system is arranged at the back of the cab, so that the gap between the cab and the carriage is fully utilized, and the space utilization rate of the whole vehicle is improved.)

1. A chassis arrangement of a hydrogen fueled tractor, characterized in that it comprises:

the frame (1), the frame (1) comprises a first crossbeam (11) and a second crossbeam (12) which are arranged in parallel;

a cab (2) fixed above the frame (1);

a fuel cell engine (3) located between the first girder (11) and the second girder (12) and arranged below the cab (2);

the hydrogen storage system (4) is fixed above the frame (1) and arranged on the back of the cab (2), and a high-pressure accessory (5) is arranged at the bottom of the hydrogen storage system (4);

the top of the hydrogen storage system (4) is also fixedly provided with a fuel cell heat dissipation system (31), and the fuel cell heat dissipation system (31) is connected with the fuel cell engine (3) and used for dissipating heat of the fuel cell engine (3).

2. The chassis arrangement of the hydrogen-fueled tractor according to claim 1, characterized in that:

the hydrogen storage system (4) comprises a hydrogen bottle frame (41) and a hydrogen tank (42) fixedly arranged in the hydrogen bottle frame (41);

the hydrogen supply system is characterized in that a hydrogen supply system base (43) is fixedly arranged at the bottom of the hydrogen bottle frame (41), the hydrogen supply system base (43) is fixed to the frame (1), the high-pressure accessory (5) is arranged in the hydrogen supply system base (43), and the high-pressure accessory (5) and the hydrogen tank (42) are arranged at intervals.

3. The chassis arrangement of the hydrogen-fueled tractor according to claim 1, characterized in that:

a front axle (13) is arranged at the front part of the frame (1), and the front axle (13) is connected with the first girder (11) and the second girder (12);

the fuel cell engine (3) is arranged on top of the front axle (13) and below the floor of the cab.

4. The chassis arrangement of the hydrogen-fueled tractor according to claim 1, characterized in that:

the vehicle frame (1) is sequentially provided with a front axle (13), a middle axle (14) and a rear axle (15) along the front-rear direction, a power assembly (6) is arranged between the front axle (13) and the middle axle (14), the power assembly (6) comprises a motor and a gearbox, the power assembly (6) transmits power to the middle axle (14) and the rear axle (15) through a transmission shaft, and the power assembly (6) is correspondingly positioned below the high-pressure accessory (5).

5. The chassis arrangement of the hydrogen-fueled tractor according to claim 4, characterized in that:

and a cooling system (61) is fixedly arranged at the front end of the frame (1), and the cooling system (61) is used for dissipating heat of the power assembly (6).

6. The chassis arrangement of the hydrogen-fueled tractor according to claim 4, characterized in that:

the high-voltage accessory (5) comprises a high-voltage distribution box (51), a whole vehicle auxiliary DCDC (52) and a five-in-one controller (53), wherein the high-voltage distribution box (51), the whole vehicle auxiliary DCDC (52) and the five-in-one controller (53) are sequentially arranged along the front-back direction of the frame (1);

high-voltage distribution box (51) are used for whole car high-voltage distribution, whole car is assisted DCDC (52) and is used for supplying power for fuel cell cooling system (31), five unification controllers (53) are used for controlling the power steering pump the controller of motor, air conditioning system's controller and the whole car DCDC of air compressor machine (9).

7. The chassis arrangement of the hydrogen-fueled tractor according to claim 4, characterized in that:

and power battery modules (7) are arranged on the outer sides of the first crossbeam (11) and the second crossbeam (12), the two power battery modules (7) are positioned between the front axle (13) and the middle axle (14) and along the transverse direction of the frame (1), and the two power battery modules (7) and the high-voltage accessory (5) are approximately positioned on the same straight line.

8. The chassis arrangement of the hydrogen-fueled tractor according to claim 7, characterized in that:

and a power battery heat dissipation system (71) is further arranged on the outer side of the first crossbeam (11), and the power battery heat dissipation system (71) is located between the corresponding power battery module (7) and the middle bridge (14).

9. The chassis arrangement of the hydrogen-fueled tractor according to claim 7, characterized in that:

a storage battery (8) and an air compressor (9) are sequentially arranged on the outer side of the second girder (12), and the storage battery (8) and the air compressor (9) are located between the corresponding power battery module (7) and the middle bridge (14);

and relative to the air compressor (9), the storage battery (8) is deviated to be close to the power battery module (7).

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

Technical Field

The invention relates to the field of vehicle traction chassis, in particular to a chassis arrangement structure of a hydrogen fuel tractor and the hydrogen fuel tractor.

Background

At present, the state is strongly advocating the development of new energy automobile technology. Compared with a pure electric vehicle, the hydrogen fuel vehicle has the advantages of long endurance, short hydrogenation time and the like, is the key point of the development of new energy vehicles in the future, and a plurality of enterprises slowly begin to actively arrange the hydrogen fuel cell industry. In hydrogen-fueled vehicles, the layout of the vehicle chassis is an important part of the vehicle design, and it has a decisive influence on the design quality of the vehicle, the performance of the vehicle and the life of the product.

In the related art, a hydrogen tank and other systems for providing hydrogen gas generally need to be arranged on a chassis of a hydrogen fuel cell vehicle, the structure types of the current hydrogen fuel cell vehicle are few, and the chassis arrangement structure of the hydrogen fuel cell vehicle is not reasonable enough, so that the space utilization rate of the whole vehicle is low.

Therefore, there is a need to design a new chassis arrangement for a hydrogen-fueled tractor to overcome the above technical problems.

Disclosure of Invention

The embodiment of the invention provides a chassis arrangement structure of a hydrogen fuel tractor and the hydrogen fuel tractor, and aims to solve the problems that the chassis arrangement structure of a hydrogen fuel cell vehicle in the related art is not reasonable enough, and the space utilization rate of the whole vehicle is low.

In a first aspect, there is provided a chassis arrangement for a hydrogen fuelled tractor comprising: the frame comprises a first crossbeam and a second crossbeam which are arranged in parallel; a cab fixed above the frame; a fuel cell engine located between the first and second girders and arranged below the cab; and the hydrogen storage system is fixed above the frame and arranged on the back of the cab, and a high-pressure accessory is arranged at the bottom of the hydrogen storage system.

In some embodiments, the hydrogen storage system includes a hydrogen cylinder frame and a hydrogen cylinder secured within the hydrogen cylinder frame; the hydrogen bottle frame is characterized in that a hydrogen supply system base is fixedly arranged at the bottom of the hydrogen bottle frame, the hydrogen supply system base is fixed to the frame, the high-pressure accessories are arranged in the hydrogen supply system base, and the high-pressure accessories are arranged at intervals in the hydrogen tank.

In some embodiments, a fuel cell heat dissipation system is further fixedly arranged at the top of the hydrogen storage system, and the fuel cell heat dissipation system is connected with the fuel cell engine and used for dissipating heat for the fuel cell engine.

In some embodiments, a front portion of the frame is provided with a front axle connecting the first and second longerons; the fuel cell engine is disposed on top of the front axle and under a floor of the cab.

In some embodiments, the frame is provided with a front axle, a middle axle and a rear axle in sequence along the front-rear direction, a power assembly is arranged between the front axle and the middle axle, the power assembly transmits power to the middle axle and the rear axle through a transmission shaft, and the power assembly is correspondingly positioned below the high-pressure accessory.

In some embodiments, a cooling system is fixed at the front end of the frame, and the cooling system is used for dissipating heat of the power assembly.

In some embodiments, the high-voltage accessory includes a high-voltage distribution box, a vehicle auxiliary DCDC, and a five-in-one controller, and the high-voltage distribution box, the vehicle auxiliary DCDC, and the five-in-one controller are sequentially arranged along a front-rear direction of the frame; the high-voltage distribution box is used for high-voltage distribution of the whole vehicle, the auxiliary DCDC of the whole vehicle is used for supplying power for a fuel cell cooling system, and the five-in-one controller is used for controlling a controller of a power steering pump, a controller of a motor, a controller of an air conditioning system and a controller of an air compressor and the whole vehicle DCDC.

In some embodiments, power battery modules are arranged on the outer sides of the first girder and the second girder, the two power battery modules are located between the front axle and the middle axle, and the two power battery modules and the high-voltage accessory are located on the same straight line approximately along the transverse direction of the frame.

In some embodiments, a power battery heat dissipation system is further disposed on the outer side of the first girder, and the power battery heat dissipation system is located between the corresponding power battery module and the middle bridge.

In some embodiments, a storage battery and an air compressor are sequentially arranged on the outer side of the second girder, and the storage battery and the air compressor are located between the corresponding power battery module and the middle bridge; for the air compressor machine, the battery is partial to be close to power battery module.

The technical scheme provided by the invention has the beneficial effects that:

the embodiment of the invention provides a chassis arrangement structure of a hydrogen fuel tractor and the hydrogen fuel tractor, wherein a fuel cell engine is arranged below a cab, a hydrogen storage system is fixed above a frame, so that the bottom of the frame has enough space for placing other systems, and the hydrogen storage system is arranged at the back of the cab, and a gap between the cab and a carriage is fully utilized, so that the space utilization rate of the whole vehicle is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only 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 schematic perspective view of a chassis arrangement structure of a hydrogen-fueled tractor according to an embodiment of the present invention;

fig. 2 is a schematic top view of a layout of a chassis of a hydrogen-fueled tractor according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a hydrogen storage system of a chassis arrangement structure of a hydrogen-fueled tractor according to an embodiment of the present invention.

In the figure:

1. a frame; 11. a first girder; 12. a second girder; 13. a front axle; 14. a middle bridge; 15. a rear axle;

2. a cab;

3. a fuel cell engine; 31. a fuel cell heat dissipation system;

4. a hydrogen storage system; 41. a hydrogen bottle frame; 42. a hydrogen tank; 43. a hydrogen supply system base;

5. a high voltage accessory; 51. a high voltage distribution box; 52. the DCDC is assisted by the whole vehicle; 53. a five-in-one controller;

6. a power assembly; 61. a cooling system;

7. a power battery module; 71. a power battery heat dissipation system;

8. a storage battery; 9. an air compressor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The embodiment of the invention provides a chassis arrangement structure of a hydrogen fuel tractor and the hydrogen fuel tractor, which can solve the problem that the chassis arrangement structure of a hydrogen fuel cell vehicle in the related technology is not reasonable enough, so that the space utilization rate of the whole vehicle is low.

Referring to fig. 1 to 3, a chassis arrangement structure of a hydrogen-fueled tractor according to an embodiment of the present invention may include: the frame 1, the frame 1 may include a first girder 11 and a second girder 12 arranged in parallel, in this embodiment, the first girder 11 and the second girder 12 extend along the length direction of the vehicle and extend from the front end of the vehicle to the rear end of the vehicle; a cab 2 fixed above the frame 1, in the present embodiment, the cab 2 is located at the front of the frame 1, and the cab 2 is located on a center line of symmetry of the frame 1 in the lateral direction; a fuel cell engine 3 which may be located between the first girder 11 and the second girder 12 and disposed below the cab 2, in the present embodiment, the fuel cell engine 3 is located directly below the cab 2, and in other embodiments, the fuel cell engine 3 may be slightly offset, and the fuel cell engine 3 may be disposed below the cab 2, so that the overall weight of the front portion of the vehicle may be increased and the front end of the vehicle may not be too light; in the embodiment, the hydrogen storage system 4 is positioned right behind the cab 2, so that the frame 1 does not need to leave a space for specially placing components such as a hydrogen storage tank and the like, the space at the bottom of the frame 1 is not occupied, the bottom of the frame 1 has enough space for placing other systems, and the hydrogen storage system 4 is arranged at the back of the cab 2, so that the gap between the cab 2 and a compartment is fully utilized, and the space utilization rate of the whole vehicle is improved; meanwhile, the high-voltage accessory 5 is arranged at the bottom of the hydrogen storage system 4, so that the collision between the hydrogen storage system 4 and the high-voltage accessory 5 is avoided.

Referring to fig. 1 and 3, in some alternative embodiments, the hydrogen storage system 4 may include a hydrogen bottle frame 41 and a hydrogen tank 42 fixedly disposed in the hydrogen bottle frame 41, in this embodiment, the hydrogen bottle frame 41 may be formed into a square frame body by welding and fixing a plurality of steel pipes or steel plates, the hydrogen bottle frame 41 may sequentially arrange a plurality of hydrogen tanks 42 from bottom to top, wherein each hydrogen tank 42 may be fixedly mounted to the hydrogen bottle frame 41 by a fixing structure so as to limit the hydrogen tank 42 from moving in the hydrogen bottle frame 41; the bottom of the hydrogen bottle frame 41 can be fixedly provided with a hydrogen supply system base 43, the hydrogen supply system base 43 can also be a frame body formed by welding and fixing steel pipes or steel plates, the size of the upper end of the hydrogen supply system base 43 is approximately the same as that of the hydrogen bottle frame 41, so that the lower end of the hydrogen bottle frame 41 can be just fixed with the upper end of the hydrogen supply system base 43, the hydrogen supply system base 43 can preferably adopt a standardized general base to form a general interface with the hydrogen bottle frame 41, a foundation is laid for later-stage modularized standardized design, the lower end of the hydrogen supply system base 43 can be fixed with the frame 1, the front and back, the left and right and the upper and lower parts of the hydrogen supply system base 43 are communicated, the hydrogen supply system base 43 is hollow, so that the high-pressure accessories 5 can be arranged in the hydrogen supply system base 43, and the high-pressure accessories 5 and the hydrogen tank 42 are arranged at intervals, that is, in the height direction, a certain gap is left between the high-pressure attachment 5 and the hydrogen gas tank 42; the high-pressure accessories 5 are arranged in the hydrogen supply system base 43, the hydrogen supply system base 43 can protect the high-pressure accessories 5 to prevent other surrounding components or other sundries from damaging the high-pressure accessories 5, and meanwhile, the high-pressure accessories 5 are separated from the hydrogen tank 42 by a certain distance to prevent the hydrogen tank 42 from contacting the high-pressure accessories 5 during installation; further, when assembling the high-pressure accessory 5, can be earlier with the high-pressure accessory 5 with hydrogen supply system base 43 sub-packaging, shop's line under the on-line, then will the high-pressure accessory 5 with after hydrogen supply system base 43 is fixed in together, will again the high-pressure accessory 5 with hydrogen supply system base 43 monolithic mounting on the frame 1, make the high-pressure accessory 5 with hydrogen supply system base 43 can with other system synchronous installations on the frame 1, can save follow-up assembly, walk the time of line, both can improve assembly efficiency and beat, can avoid again hoisting when storing hydrogen system 4, it takes place to collide with to rock about storing hydrogen system 4 with high-pressure accessory 5.

Referring to fig. 1 and 3, in some embodiments, a fuel cell heat dissipation system 31 may be further fixedly disposed on the top of the hydrogen storage system 4, so that the fuel cell heat dissipation system 31 may be substantially disposed at a spoiler at the top of the cab 2, and the space at the rear of the cab 2 is utilized, thereby saving the space around the frame 1, so that there may be a larger space around the fuel cell engine 3 for arranging other systems, in this embodiment, the fuel cell heat dissipation system 31 may include a heat dissipation fan, and the fuel cell heat dissipation system 31 is connected to the fuel cell engine 3 for dissipating heat from the fuel cell engine 3.

Referring to fig. 1 and 2, in some alternative embodiments, a front axle 13 may be disposed at a front portion of the frame 1, the front axle 13 connects the first girder 11 and the second girder 12, and front wheels are mounted at left and right ends of the front axle 13; fuel cell engine 3 arrange in the top of front axle 13, in this embodiment, driver's cabin 2 is located the top of front axle 13, just fuel cell engine 3 is located the bottom plate of driver's cabin 2 with between the front axle 13, make fuel cell engine 3 with the distance between the hydrogen storage system 4 can not be too far away, fuel cell engine 3 with the pipeline of being connected between the hydrogen storage system 4 is relatively short, fuel cell engine 3 can provide the drive power supply for the vehicle, when having guaranteed vehicle bearing capacity, continuation of the journey mileage, makes chassis structural arrangement compacter.

Referring to fig. 1 and 2, in some embodiments, the frame 1 is provided with a front axle 13, a middle axle 14 and a rear axle 15 in sequence along a front-rear direction, that is, the front axle 13 is disposed at a front portion of the frame 1, the middle axle 14 is disposed at a middle portion of the frame 1, and the rear axle 15 is disposed at a rear portion of the frame 1, in this embodiment, the middle axle 14 is biased to be close to the rear axle 15, the front axle 13 is provided with two front wheels, the middle axle 14 is provided with two middle wheels, the rear axle 15 is provided with two rear wheels, a power assembly 6 is disposed between the front axle 13 and the middle axle 14, in this embodiment, the power assembly 6 is disposed at a position close to the front axle 13, and the power assembly 6 is connected with the middle axle 14 and the rear axle 15 through a transmission shaft, so that the power assembly 6 can transmit power to the middle axle 14 and the rear axle 15 through the transmission shaft, therefore, the middle axle 14 and the rear axle 15 can be driven to rotate, the power assembly 6 is correspondingly positioned below the high-voltage accessory 5, in the embodiment, the power assembly 6 is positioned right below the high-voltage accessory 5, so that the power assembly 6 and the high-voltage accessory 5 are vertically overlapped, and the space of the frame 1 in the longitudinal direction is saved.

Referring to fig. 1 and 2, in some alternative embodiments, a cooling system 61 may be fixedly arranged at the front end of the frame 1, and in this embodiment, the cooling system 61 is arranged between the first girder 11 and the second girder 12, the cooling system 61 is connected with the powertrain 6, for dissipating heat from the powertrain 6, in this embodiment, the powertrain 6 includes a motor, the cooling system 61 dissipates heat from the motor of the powertrain 6, since the cooling system 61 is arranged at the front end of the frame 1, i.e. the cooling system 61 is in the vicinity of the front axle 13, and the power assembly 6 is also arranged at a position close to the front axle 13, so that the distance between the power assembly 6 and the cooling system 61 is shortened, and a connecting pipeline between the power assembly 6 and the cooling system 61 can be designed to be shorter.

Referring to fig. 2 and 3, in some alternative embodiments, the high voltage accessory 5 may include a high voltage distribution box 51, a vehicle auxiliary DCDC52 (i.e., a current converter), and a five-in-one controller 53, in this embodiment, the high voltage distribution box 51, the vehicle auxiliary DCDC52, and the five-in-one controller 53 are sequentially arranged along a front-rear direction of the frame 1, that is, the high voltage distribution box 51 is disposed at a position closest to the front axle 13, the five-in-one controller 53 is disposed relatively at a rear position, the vehicle auxiliary DCDC52 is disposed between the high voltage distribution box 51 and the five-in-one controller 53, and the power assembly 6 is preferably disposed below the vehicle auxiliary DCDC 52; wherein, high voltage distribution box 51 is used for whole car high voltage distribution, the supplementary DCDC52 of whole car is used for doing the power supply of fuel cell cooling system 31, also promptly the supplementary DCDC52 of whole car also can through the circuit with fuel cell cooling system 31 connects, because the supplementary DCDC52 of whole car arranges in the bottom of hydrogen storage system 4 will the supplementary DCDC52 of whole car with when fuel cell cooling system 31 is connected, directly follow the connecting wire the bottom of hydrogen storage system 4 is erected to go up can, need not reach around a plurality of tortuous ways in frame 1 fuel cell cooling system 31, both saved the use of circuit, also saved the space of frame 1 for the chassis arranges compacter, five-in-one controller 53 is used for controlling the controller of power steering pump the controller of motor, air conditioning system's controller and the controller of air compressor machine 9 and whole car DCDC, because the power assembly 6 is placed between the front axle 13 and the middle axle 14, and the power assembly 6 is located below the high-voltage accessory 5, the distance between the power assembly 6 and the five-in-one controller 53 is short, that is, the difference between the upper position and the lower position is not great, when the power assembly 6 and the five-in-one controller 53 are connected, a connecting line is directly pulled downwards from the five-in-one controller 53 to the position of the power assembly 6, and the power assembly 6 can be reached without winding around a plurality of curves in the frame 1.

Referring to fig. 2, in some embodiments, power battery modules 7 are disposed on outer sides of the first girder 11 and the second girder 12, in this embodiment, the first girder 11 may be a girder on a left side of the vehicle, the second girder 12 may be a girder on a right side of the vehicle, one of the power battery modules 7 is fixed to the first girder 11 and is located on a left side of the first girder 11, the other of the power battery modules is fixed to the second girder 12 and is located on a right side of the second girder 12, both of the power battery modules 7 are located between the front axle 13 and the middle axle 14, that is, in a front-rear direction, the power battery module 7 is located between the front axle 13 and the middle axle 14, and in a transverse direction of the vehicle frame 1, both of the power battery modules 7 are located substantially on the same straight line with the high-voltage accessory 5, that is to say, high-pressure annex 5 is located first girder 11 with between the second girder 12, two power battery module 7 is located respectively first girder 11 with the outside of second girder 12, just high-pressure annex 5 also is located two between the power battery module 7, make high-pressure annex 5 and two power battery module 7 corresponds the setting basically in the transverse direction, and two power battery module 7 is about the axis symmetry of frame 1 makes power battery module 7 and high-pressure annex 5 satisfy the vehicle space and arranges the demand, reduces the length of short high-pressure pencil, reduce cost.

In this embodiment, the fuel cell engine 3, the power cell module 7, and the powertrain 6 are all connected by a high-voltage wire harness, and can provide an output torque to the motor of the powertrain 6 while charging the power cell module 7.

Referring to fig. 2, in some alternative embodiments, a power battery heat dissipation system 71 is further disposed on an outer side of the first girder 11, the power battery heat dissipation system 71 is located between the corresponding power battery module 7 and the middle bridge 14, that is, in this embodiment, the power battery heat dissipation system 71 is located on the left side of the first girder 11, the power battery heat dissipation system 71 is located between the power battery module 7 on the left side and the middle bridge 14, the power battery heat dissipation system 71 may be connected to both the power battery module 7 on the left side and the power battery module 7 on the right side, so that the power battery heat dissipation system 71 can simultaneously dissipate heat of the power battery module 7 on the left side and the power battery module 7 on the right side, and one power battery heat dissipation system 71 is disposed to simultaneously dissipate heat of two power battery modules 7, the power battery heat dissipation system 71 does not need to be arranged for each power battery module 7, so that the use of the power battery heat dissipation system 71 is saved, and meanwhile, the space around the power battery module 7 is increased.

Referring to fig. 2, in some optional embodiments, a storage battery 8 and an air compressor 9 may be sequentially disposed on the outer side of the second girder 12, in this embodiment, the storage battery 8 and the air compressor 9 are both disposed on the right side of the second girder 12, and in the front-rear direction, the storage battery 8 is located in the front, the air compressor 9 is located behind the storage battery 8, and the storage battery 8 and the air compressor 9 are located between the corresponding power battery module 7 and the middle axle 14, that is, in this embodiment, the storage battery 8 and the air compressor 9 are located between the power battery module 7 on the right side and the middle axle 14; and because battery 8 is located the position by the front, for air compressor machine 9, battery 8 is partial to be close to power battery module 7, battery 8 adopt the formula of stacking from top to bottom, arrange compactly and save space, and air compressor machine 9 is located frame 1 right rear side, can reduce driver's subjective noise perception. In this embodiment, battery 8 is used for supplying power for whole car low pressure, in this embodiment, the preferred electronic air compressor machine 9 of air compressor machine 9, air compressor machine 9 is used for providing the air supply for whole car, just five-in-one controller 53 can with air compressor machine 9 is connected, makes five-in-one controller 53 can be right air compressor machine 9 controls.

The embodiment of the invention also provides a hydrogen fuel tractor which comprises the chassis arrangement structure of the hydrogen fuel tractor in any one of the embodiments, so that the hydrogen fuel tractor also has the characteristics of compact structure arrangement and high space utilization rate.

The chassis arrangement structure of the hydrogen fuel tractor and the principle of the hydrogen fuel tractor provided by the embodiment of the invention are as follows:

since the fuel cell engine 3 is disposed below the cab 2 and between the first and second girders 11, 12, the overall weight of the front portion of the vehicle can be increased without making the front end of the vehicle too light; the hydrogen storage system 4 is fixed above the frame 1, so that the frame 1 does not need to leave a space for specially placing components such as a hydrogen storage tank and the like, the space at the bottom of the frame 1 is not occupied, the bottom of the frame 1 has enough space for placing other systems, and the hydrogen storage system 4 is arranged at the back of the cab 2, so that the gap between the cab 2 and a carriage is fully utilized, and the space utilization rate of the whole vehicle is improved; meanwhile, the high-voltage accessory 5 is arranged at the bottom of the hydrogen storage system 4, so that the collision between the hydrogen storage system 4 and the high-voltage accessory 5 is avoided, the arrangement position of the fuel cell engine 3 is considered, the arrangement positions of other important systems such as the hydrogen storage system 4 and the high-voltage accessory 5 are also considered, the space around the frame 1 is fully utilized, the chassis arrangement structure of the hydrogen fuel tractor is compact, and the chassis arrangement structure of the embodiment of the invention can be suitable for heavy-load vehicles.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.