Spark extinguishers, exhaust systems and transport vehicles

Abstract

This application relates to a spark extinguisher, an exhaust system, and a transport vehicle. It includes a housing and multiple baffles. The housing contains an exhaust channel that penetrates the housing and connects to an exhaust pipe. All the baffles are spaced apart along the extension direction of the exhaust channel and connected to the inner wall of the exhaust channel. Each baffle has at least one flow hole, and all the flow holes are spaced apart. Along the extension direction of the exhaust channel, the flow holes penetrate the baffles, and the flow holes on any two adjacent baffles are staggered. This application provides multiple spaced baffles within the exhaust channel, ensuring that exhaust gas must sequentially pass through the flow holes on the baffles. Since the flow holes on adjacent baffles are staggered, even if sparks are mixed in, the exhaust gas will impact the baffles during its exit process and be blocked. The multiple baffles effectively extinguish sparks and improve the safety of the hazardous materials transport vehicle.

Description

Technical Field

[0001] This application relates to the technical field of tractor vehicles, and in particular to a spark extinguisher, exhaust system, and transport vehicle. Background Technology

[0002] Dangerous goods transport vehicles are specialized vehicles used to transport flammable and explosive hazardous materials such as petrochemicals, explosives, and fireworks. These vehicles have high safety requirements. With the development of economic globalization and the increasing demand for trade and transportation, regulations for the transportation of hazardous chemicals are becoming increasingly stringent, and the requirements for vehicle safety are also gradually increasing.

[0003] In related technologies, due to the need for environmental protection, the exhaust gas emitted by the engine of a hazardous materials transport vehicle needs to be treated through an exhaust system. Through relevant chemical reactions, the exhaust gas is converted into tail gas that meets national emission standards, thereby reducing environmental pollution.

[0004] However, because the exhaust gas emitted by the exhaust system is at a high temperature and sometimes contains sparks, it can easily cause burns to passersby or explosions of transport tanks, posing a safety hazard and resulting in a low safety factor. Summary of the Invention

[0005] Therefore, it is necessary to address the issue of low safety coefficient of commercial semi-trailer tractors transporting hazardous chemicals in related technologies by providing a spark extinguisher, exhaust system, and transport vehicle.

[0006] In a first aspect, this application provides a spark extinguisher, which adopts the following technical solution:

[0007] A spark extinguisher is connected to an exhaust pipe. The spark extinguisher includes a housing and a plurality of blocking components. The housing has an internal exhaust channel that extends through the housing and connects to the exhaust outlet channel of the exhaust pipe. The blocking components are spaced apart within the exhaust channel along its extension direction. Each blocking component has at least one flow hole that extends through the blocking component along the extension direction of the exhaust channel, and the flow holes on any two adjacent blocking components are staggered.

[0008] In one embodiment, the centerline of the exhaust passage is constructed as a curve.

[0009] In one embodiment, the spark extinguisher further includes a connector that allows the housing to be detachably connected to the exhaust pipe via the connector, the connector having a through hole for connecting the outlet passage and the exhaust passage.

[0010] Secondly, this application provides an exhaust system, which adopts the following technical solution:

[0011] An exhaust system for treating exhaust gases from a vehicle engine, the vehicle having a first side and a second side arranged opposite each other along the width direction of the vehicle, the first side being closer to a pedestrian than the second side, the exhaust system including an aftertreatment mechanism and the aforementioned spark extinguisher, the aftertreatment mechanism including an exhaust pipe arranged obliquely toward the second side, the spark extinguisher being connected to the exhaust pipe.

[0012] Thirdly, this application provides a transport vehicle, which adopts the following technical solution:

[0013] A transport vehicle includes a cab, a frame, and the aforementioned exhaust system. The cab includes a driver's cab, a warning sign mounted on the driver's cab, and an engine for providing power. The frame is connected to the driver's cab along the direction of travel of the transport vehicle. The exhaust system is disposed on the frame and connected to the engine for treating the exhaust gases generated by the engine during the operation of the transport vehicle.

[0014] In one embodiment, the transport vehicle further includes an emergency shutdown system for shutting off the main power supply of the transport vehicle, including a first emergency power-off switch and a second emergency power-off switch connected in series with the main power supply, respectively, and the main power supply can be shut off by triggering either one; wherein, the first emergency power-off switch is installed in the driver's cab, and the second emergency power-off switch is installed outside the driver's cab.

[0015] In one embodiment, the transport vehicle further includes a vertical battery pack and a main fuel tank disposed on the first side and connected to the frame, and an aftertreatment mechanism, a urea tank, and an auxiliary fuel tank disposed on the second side and connected to the frame; wherein the vertical battery pack is used to provide the main power supply, the main fuel tank is used to supply fuel to the engine, the auxiliary fuel tank is used to supply fuel to the main fuel tank, the aftertreatment mechanism is connected to the engine and used to treat the exhaust gas generated by the engine, and the urea tank is filled with urea to cooperate with the aftertreatment mechanism to treat the exhaust gas.

[0016] In one embodiment, the distance between the after-treatment unit, the urea tank and the auxiliary oil tank is greater than 120 mm.

[0017] In one embodiment, the transport vehicle further includes a fairing disposed between the front of the vehicle and the frame and connected to the front of the vehicle.

[0018] In one embodiment, the transport vehicle further includes a fresh air system installed in the cab, the fresh air system including an air inlet extending through the end face of the cab facing the side of the vehicle frame.

[0019] The aforementioned spark extinguisher uses multiple spaced-apart baffles within the exhaust passage to force the vehicle's exhaust gases to pass sequentially through the flow holes on these baffles. Because the flow holes on adjacent baffles are staggered, even if sparks are mixed in with the exhaust gases, they will impact and be blocked by the baffles during the exhaust process. By passing through multiple baffles, the sparks are extinguished, improving the safety of the transport vehicle. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of a spark extinguisher in one embodiment of this application.

[0021] Figure 2 This is a cross-sectional view of a spark extinguisher in one embodiment of this application.

[0022] Figure 3 This is a three-dimensional structural diagram of the exhaust system in one embodiment of this application.

[0023] Figure 4 for Figure 3 A diagram from another perspective.

[0024] Figure 5 This is a flowchart of exhaust gas treatment in one embodiment of this application.

[0025] Figure 6 This is a front view of a transport vehicle in one embodiment of this application.

[0026] Figure 7 This is a side view of a transport vehicle according to one embodiment of this application.

[0027] Figure 8 This is a side view of the transport vehicle from another perspective in one embodiment of this application.

[0028] Figure 9 This is a top view of a transport vehicle in one embodiment of this application.

[0029] Figure 10 This is a schematic diagram of the arrangement of the second emergency power-off switch in one embodiment of this application.

[0030] Figure 11 This is a schematic diagram of the arrangement of the first emergency power-off switch in one embodiment of this application.

[0031] Attached image annotations:

[0032] 1. Exhaust system; 11. Aftertreatment mechanism; 111. Exhaust pipe; 12. Spark extinguisher; 121. Housing; 1211. Exhaust passage; 122. Barrier; 1221. Flow hole; 123. Connector; 2. Front of the vehicle; 21. Cab; 22. Warning sign; 23. Air intake grille; 24. Windshield; 3. Frame; 41. First emergency power-off switch; 42. Second emergency power-off switch; 5. Fresh air system; 51. Air intake; 6. Deflector; 7. Vertical battery frame; 8. Main fuel tank; 81. Main fuel tank filling port; 9. Auxiliary fuel tank; 91. Auxiliary fuel tank filling port; 10. Urea tank; 101. Urea tank filling port; 13. Cast saddle; 14. Steps. Detailed Implementation

[0033] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0034] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0035] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0036] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0037] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0038] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0039] The following is in conjunction with the appendix Figure 1-11 The embodiments of this application will be described in further detail.

[0040] See Figure 1 , Figure 1 A three-dimensional structural schematic diagram of a spark extinguisher 12 according to an embodiment of this application is shown. The spark extinguisher 12 provided in this embodiment includes a housing 121 connected to an exhaust pipe 111 and a plurality of blocking members 122. The housing 121 is constructed into a tubular structure and has an exhaust channel 1211 inside. The exhaust channel 1211 extends through the housing 121 along the extending direction of the housing 121 and is connected to the exhaust pipe 111, through which exhaust gas can be discharged.

[0041] Combination Figure 2As shown, all the blocking elements 122 are installed in the exhaust channel 1211 and are arranged at intervals along the extension direction of the exhaust channel 1211. The outer edge of the blocking element 122 is connected to the inner wall of the exhaust channel 1211. In order to ensure the reliability of the spark extinguisher 12 in this embodiment, it is preferred to connect the blocking element 122 and the housing 121 by welding.

[0042] Specifically, the barrier 122 has at least one flow hole 1221, and all the flow holes 1221 are spaced apart on the barrier 122. Along the extending direction of the exhaust passage 1211, the turbulence holes penetrate the barrier 122, allowing exhaust gas to flow within the exhaust passage 1211. In this embodiment, three barrier elements 122 are spaced apart within the exhaust passage 1211, and the three barrier elements 122 are spaced apart along the extending direction of the exhaust passage 1211.

[0043] See Figure 1 The middle barrier 122 has a flow hole 1221 through it at the center, and the two barriers 122 on both sides have multiple flow holes 1221 through them. The flow holes 1221 are located at the periphery of the barrier 122, and all the flow holes 1221 are arranged at intervals along the circumference of the barrier 122.

[0044] Along the extension direction of the exhaust passage 1211, the flow holes 1221 on the two side baffles 122 and the flow hole 1221 on the middle baffle 122 intersect each other. When the exhaust gas flows, it needs to pass through the interlaced flow holes 1221 on multiple baffles 122 in sequence. That is, the flow path is winding and cannot be discharged from the exhaust passage 1211 in a straight direction. Therefore, even if there are a small amount of sparks in the exhaust gas, they will hit the baffles 122 during the discharge process and cannot be discharged along the winding flow path. After being blocked by multiple baffles 122, the sparks can be effectively extinguished.

[0045] Combination Figure 2 Furthermore, in some embodiments, the centerline of the exhaust passage 1211 is constructed as a curve along the extension direction of the exhaust passage 1211, which further enhances the tortuosity of the exhaust gas flow path, making it more difficult for sparks to escape from the exhaust passage 1211, further enhancing the spark extinguishing effect of the spark extinguisher 12, thereby improving the safety factor of applying the spark extinguisher 12.

[0046] In addition, in some embodiments, the spark extinguisher 12 further includes a connector 123 for connecting to the exhaust pipe 111. The connector 123 includes a connecting ring and a plurality of fasteners passing through the connecting ring. The connecting ring is arranged along the circumference of the housing 121 and fixed to the housing 121. In this embodiment, the connecting ring can be integrally formed with the housing 121 or fixed to the housing 121 by welding. The fasteners can be common connecting bolts or screws. The housing 121 is mounted on the exhaust pipe 111 by means of the connecting ring and fasteners, realizing a detachable connection between the housing 121 and the exhaust pipe 111, so that the operator can periodically inspect and replace the spark extinguisher 12.

[0047] See Figures 1 to 4 An embodiment of this application also provides an exhaust system 1 for treating exhaust gases emitted from a vehicle engine. The exhaust system 1 includes an aftertreatment mechanism 11 and the aforementioned spark extinguisher 12. Along the width direction of the vehicle, the vehicle includes a first side close to a pedestrian and a second side arranged opposite to the first side.

[0048] The exhaust system 1 includes an exhaust pipe 111, and the aforementioned spark extinguisher 12 is detachably installed at the end of the exhaust pipe 111 away from the vehicle. In this embodiment, the exhaust pipe 111 is inclined towards the second side, that is, the exhaust pipe 111 is inclined towards the side away from pedestrians, which can effectively reduce the possibility of pedestrians being burned by high-temperature exhaust gas. Preferably, in this embodiment, the exhaust pipe 111 is inclined downwards, so that the high-temperature exhaust gas will not be directly sprayed onto the vehicle, effectively reducing the possibility of goods transported by the vehicle exploding due to heat.

[0049] Combination Figure 5 As shown, in some embodiments, to fundamentally address the problem of excessively high exhaust gas temperature injected from the exhaust pipe 111, the aftertreatment mechanism 11 in this application embodiment employs a novel exhaust calibration technology. This involves systematically optimizing data from the vehicle's overall exhaust calibration to reduce the temperature of the exhaust gas emitted by the engine, thereby fundamentally resolving the spark source issue. Simultaneously, in conjunction with the aforementioned spark extinguisher 12, it solves the problems of traditional spark extinguishing devices being complex in structure, large in size, heavy, difficult to install throughout the vehicle, and having low reliability during vehicle operation due to excessively long pipelines.

[0050] See Figures 6 to 11 One embodiment of this application also provides a transport vehicle, specifically a novel 4x2 semi-trailer hazardous chemical tractor. The transport vehicle includes a cab 2 and a frame 3 connected to the cab 2 along the direction of travel. During transport, the cab 2 provides driving force, and the frame 3 loads the hazardous chemicals to be transported. The transport vehicle also includes an emergency shutdown system for quickly cutting off the vehicle's power supply, a fresh air system 5 for maintaining air circulation inside the vehicle, and the aforementioned exhaust system 1.

[0051] See Figure 6 and Figure 7 Specifically, the front of the vehicle 2 includes a cab 21 for the driver to sit in, a windshield 24 and an air intake grille 23 installed at the front of the cab 21, with the air intake grille 23 installed below the windshield 24.

[0052] In addition, to facilitate the identification of the types of goods being transported in a conspicuous place at the front of the transport vehicle, the front of the vehicle 2 in this embodiment of the application also includes a warning sign 22. The warning sign 22 is made of metal material and the surface is marked with fire-resistant paint to indicate the types of hazardous chemicals, so that the warning sign 22 still has good visibility even at high temperatures and after burning, so that rescuers can quickly identify the types of hazardous chemicals being carried in an emergency when the hazardous chemical transport vehicle is involved in an emergency, and facilitate subsequent rescuers to take corresponding measures to deal with the situation.

[0053] See Figure 7 In some embodiments, the transport vehicle also includes a fairing 6, which is installed between the front end 2 and the frame 3 and fixed to the frame 3. The fairing 6 can reduce the gap between the front end 2 and the frame 3, making it less likely for a negative pressure zone to form between the front end 2 and the frame 3 during operation, thereby reducing the wind resistance of the transport vehicle, optimizing the aerodynamic performance of the transport vehicle, and thus saving fuel consumption.

[0054] See Figures 7 to 9 In addition, in some embodiments, the transport vehicle also includes a vertical battery box 7 and a main fuel tank 8 installed on the first side, and an after-treatment mechanism 11, a urea tank 10 and an auxiliary fuel tank 9 installed on the second side, so that the weight distribution of the whole vehicle is balanced from left to right.

[0055] Specifically, the main fuel tank 8 has a main fuel tank filling port 81, which is located on the upper left side of the main fuel tank 8, conforming to ergonomics and making it convenient for users to refuel the main fuel tank 8. Similarly, the auxiliary fuel tank 9 has an auxiliary fuel tank filling port 91, which is located on the upper right side of the auxiliary fuel tank 9, conforming to ergonomics and making it convenient for users to refuel. Likewise, the urea tank 10 also has a urea tank filling port 101, which is located on the upper right side of the urea tank 10, conforming to ergonomic design and making it convenient for users to refuel.

[0056] Furthermore, in this embodiment, the spatial distance between the after-treatment mechanism 11, the urea tank 10, and the auxiliary fuel tank 9 is greater than 120mm, which meets the requirements for heat radiation arrangement. This can effectively reduce the possibility of explosion of the urea tank 10 or the auxiliary fuel tank 9 due to the small distance between the after-treatment mechanism 11 and the urea tank 10 and the auxiliary fuel tank 9, thereby improving the safety factor of the hazardous chemical transport vehicle.

[0057] In some embodiments, the transport vehicle also includes a boarding step 14, which is arranged below the cab 21 to allow the driver to use it to enter the cab 21, reducing the chance of the driver accidentally falling when boarding the vehicle.

[0058] In addition, in some embodiments, the transport vehicle also includes a cast saddle 13 mounted on the frame 3. The cast saddle 13 in this embodiment is arranged as a whole vehicle. Compared with the stamped saddle commonly used in transport vehicles on the market, the cast saddle 13 has stronger reliability and can effectively reduce the failure of the saddle, thereby further improving the safety of the hazardous chemical transport vehicle.

[0059] Combination Figure 10 and Figure 11 The emergency shutdown system includes a first emergency power-off switch 41 and a second emergency power-off switch 42. Both emergency power-off switches are electrically connected to the main power supply of the transport vehicle. Triggering either one will shut off the main power supply of the transport vehicle.

[0060] The first emergency power-off switch 41 is installed inside the cab 21, preferably directly above the driver's seat. It allows the driver to shut off the main power supply to the transport vehicle from inside the cab 21, reducing the likelihood of the emergency shutdown system failing due to a collision. Furthermore, the location of the first emergency power-off switch 41 directly above the driver's seat facilitates the driver's ability to quickly shut off the main power supply in an emergency, shortening the time required to trigger the switch and effectively reducing the risk of explosions in hazardous materials transport vehicles. Additionally, it makes full use of the interior space of the cab 21, providing sufficient space for other accessories without obstructing the driver's view.

[0061] Furthermore, the second emergency power-off switch 42 is located on the front side of the vertical battery box 7 and the side of the frame 3. This location is close to the main current line of the transport vehicle. When an emergency occurs in the transport vehicle and the driver is unconscious or unable to turn off the first emergency power-off switch 41 in time in the cab 21, rescuers can trigger the second emergency power-off switch 42 outside the transport vehicle to cut off the main power supply, preventing the transported hazardous chemicals from exploding due to electricity and reducing the possibility of environmental pollution caused by hazardous chemical leaks.

[0062] In addition, the second emergency power-off switch 42 is installed on the side of the frame 3, making full use of the remaining space on the side of the frame 3, so that there is enough space on both sides of the frame 3 to arrange other accessories, thereby making the chassis layout more economical and reasonable.

[0063] Specifically, the fresh air system 5 includes an air inlet 51 for introducing fresh air into the cab 21, and the air inlet 51 penetrates the end face of the cab 21 facing the frame 3. In this embodiment, the air inlet 51 of the fresh air system 5 is located on the upper right side of the cab 21. Since this location is opposite to the direction of travel of the transport vehicle, the air pressure is relatively low. During the operation of the transport vehicle, external dust, rainwater, and other impurities are less likely to enter the fresh air system 5 through the air inlet 51, effectively improving the comfort of the driver in the cab 21.

[0064] Preferably, in some embodiments, a dustproof and rainproof device is also installed on the cab 21 at the air intake 51. This device is a conventional structure and will not be described in detail here.

[0065] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0066] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A spark extinguisher, connected to an exhaust pipe, characterized in that, The spark extinguisher includes: A housing with an internal exhaust channel, the exhaust channel penetrating the housing and connecting to the exhaust pipe's outlet channel; and Multiple barrier elements are provided, which are spaced apart in the exhaust channel along the extension direction of the exhaust channel; the multiple barrier elements include three, with a flow hole penetrating through the middle barrier element at the center position, and multiple flow holes penetrating through the two barrier elements on both sides at the periphery position of the barrier element. Wherein, along the extension direction of the exhaust channel, the flow hole penetrates the barrier, and the flow holes on any two adjacent barriers are staggered; the centerline of the exhaust channel is constructed as a curve.

2. The spark extinguisher according to claim 1, characterized in that, The barrier is fixed to the inner wall of the exhaust channel by welding.

3. The spark extinguisher according to claim 1, characterized in that, The spark extinguisher also includes a connector, the housing of which can be detachably connected to the exhaust pipe via the connector, the connector having a through hole for connecting the outlet passage and the exhaust passage.

4. An exhaust system for treating exhaust gases from a vehicle engine, wherein the vehicle has a first side and a second side arranged opposite each other along the width direction of the vehicle, the first side being closer to a pedestrian than the second side, characterized in that, The exhaust system includes: The after-treatment mechanism includes an exhaust pipe, which is arranged at an angle toward the second side; and The spark extinguisher as described in any one of claims 1-3 is connected to the exhaust pipe.

5. A transport vehicle, characterized in that, include: The front of the vehicle includes a cab, a warning sign mounted on the cab, and an engine for providing power; The chassis is connected to the cab along the direction of travel of the transport vehicle; and The exhaust system as described in claim 4 is disposed on the vehicle frame and connected to the engine, and is used to treat the exhaust gas generated by the engine during the operation of the transport vehicle.

6. The transport vehicle according to claim 5, characterized in that, The transport vehicle also includes an emergency shutdown system for shutting off the main power supply of the transport vehicle, including a first emergency power-off switch and a second emergency power-off switch connected in series with the main power supply, which can be triggered to shut off the main power supply. The first emergency power-off switch is located inside the driver's cab, and the second emergency power-off switch is located outside the driver's cab.

7. The transport vehicle according to claim 6, characterized in that, The transport vehicle also includes a vertical battery frame and a main fuel tank located on the first side and connected to the vehicle frame, as well as an after-treatment mechanism, a urea tank, and an auxiliary fuel tank located on the second side and connected to the vehicle frame. The vertical battery box provides the main power supply, the main fuel tank supplies fuel to the engine, the auxiliary fuel tank supplies fuel to the main fuel tank, the aftertreatment mechanism is connected to the engine and is used to treat the exhaust gas produced by the engine, and the urea tank is filled with urea to cooperate with the aftertreatment mechanism to treat the exhaust gas.

8. The transport vehicle according to claim 7, characterized in that, The distance between the after-treatment mechanism, the urea tank, and the auxiliary oil tank is greater than 120 mm.

9. The transport vehicle according to claim 5, characterized in that, The transport vehicle also includes a fairing, which is located between the front of the vehicle and the frame and connected to the front of the vehicle.

10. The transport vehicle according to claim 5, characterized in that, The transport vehicle also includes a fresh air system installed in the cab. The fresh air system includes an air inlet that extends through the end face of the cab facing the vehicle frame.

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