Vehicle

Abstract

The utility model discloses a vehicle. The vehicle comprises a vehicle frame and a vehicle body, the cab is arranged at the front end of the frame in the front-back direction of the vehicle; the bracket assembly is arranged on the rear side of the cab and is fixedly connected with the frame; the air reservoir is arranged on the bracket assembly; the urea box is arranged on the support assembly, and the urea box and the air cylinder are distributed in a spaced mode. According to the vehicle, the air storage cylinder and the urea box are integrally arranged on the support assembly, the support assembly is arranged on the rear side of the cab on the vehicle frame, occupied space of a truck chassis can be reduced, the layout structure of the vehicle is optimized, more space is provided for arranging the compressed alcohol box and the power battery, and therefore the endurance time of the vehicle is prolonged; and thus, the effect of improving the user satisfaction is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle, especially a kind of vehicle. BACKGROUND

[0002] The endurance capability is one of the key factors restricting the development of new energy heavy truck, breaking this technical barrier will make the new energy heavy truck more widely and deeply applied in new generation electric vehicles, breaking the industry's long-distance trunk mileage anxiety of new energy heavy truck, and meeting the demand of long endurance scene of user. Alcohol hydrogen electric is the comprehensive upgrade of pure electric configuration, compared with charging vehicle, the endurance mileage is 2-3 times more, and it brings higher value new energy solution to user.

[0003] However, the overall arrangement of alcohol hydrogen electric heavy truck is also very challenging. In order to meet the demand of long endurance scene, the arrangement space of alcohol tank and power battery on the frame is huge, and PDU, APU, gas cylinder, high-pressure auxiliary drive, double MCU, urea tank and other parts also need corresponding arrangement space on the frame, so that the already very compact frame space becomes more difficult to arrange. This requires that the parts occupy as little arrangement space on the frame as possible, and greater demand is put forward for the rear arrangement of some parts.

[0004] The existing urea tank and gas cylinder of heavy truck are arranged on the frame, which greatly compresses the arrangement space of alcohol tank and power battery. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving one of the technical problems in the prior art. To this end, one purpose of the utility model is to provide a vehicle, which optimizes the structural layout of the vehicle chassis, and the compressed alcohol tank and power battery of the vehicle have more arrangement space, which is beneficial to prolong the endurance time of the vehicle.

[0006] The embodiment of the utility model provides a vehicle, which comprises:

[0007] A frame, a cab provided at the front end of the frame in the front-rear direction of the vehicle, a support assembly provided at the rear side of the cab and fixedly connected with the frame, a gas cylinder provided in the support assembly, and a urea tank provided in the support assembly and spaced apart from the gas cylinder.

[0008] The vehicle of the utility model integrates the gas cylinder and the urea tank in the support assembly, and the support assembly is provided at the rear side of the cab on the frame, which can reduce the occupation of the truck chassis space, optimize the vehicle layout structure, and have more space to arrange the alcohol tank and the power battery, thereby prolonging the endurance time of the vehicle and improving the user satisfaction.

[0009] In some embodiments, the support assembly comprises: a fixed support fixedly connected with the vehicle frame; a first support fixedly connected with the fixed support, the first support being used for mounting the gas cylinder; and a second support fixedly connected with the fixed support, the second support being used for mounting the urea tank; one of the first support and the second support is located on one side of the fixed support along the vehicle height direction, and the other is located on one side of the fixed support along the vehicle left-right direction.

[0010] In some embodiments, the vehicle frame comprises a first longitudinal beam and a second longitudinal beam arranged oppositely along the vehicle left-right direction; the fixed support comprises two first sub-supports connected with the first longitudinal beam and the second longitudinal beam respectively; the first sub-support has a first mounting portion provided with a first mounting hole penetrating along the vehicle left-right direction, and the vehicle frame has a first fixing hole corresponding to the first mounting hole, and the first sub-support and the vehicle frame are fixedly connected by a first fixing member penetrating through the first mounting hole and the first fixing hole.

[0011] According to some embodiments of the present application, the first sub-support has a second mounting portion provided with a second mounting hole penetrating along the vehicle height direction, and the first support has a second fixing hole corresponding to the second mounting hole, and the first sub-support and the first support are fixedly connected by a second fixing member penetrating through the second mounting hole and the second fixing hole.

[0012] According to some embodiments of the present application, the first sub-support comprises two first support arms spaced apart along the vehicle front-rear direction, and the first support arms are fixedly connected by a first connecting rod extending along the vehicle front-rear direction, and the first support arm comprises a first section extending along the vehicle height direction and a second section extending along the vehicle left-right direction, and the first mounting portion is located on the first section, and the second mounting portion is located on the second section.

[0013] According to some embodiments of the present application, the first support comprises two second sub-supports spaced apart along the vehicle left-right direction, and the second sub-supports are fixedly connected by a second connecting rod extending along the vehicle left-right direction, and the second fixing hole is located on the side of the second sub-support close to the vehicle frame, and the second sub-support is provided with at least one first fixing portion, and the first fixing portions of the two second sub-supports are spaced apart along the vehicle left-right direction, and the first fixing portion is configured to fix the gas cylinder.

[0014] According to some embodiments of the present application, the second sub support comprises at least one second support arm, the first fixing part comprises a mounting base, the mounting base is arranged on the side of the second support arm away from the vehicle frame in the vehicle height direction, the mounting base is provided with a hoop belt, and the hoop belt surrounds the air cylinder to fix the air cylinder.

[0015] According to some embodiments of the present application, the first section has a third mounting hole penetrating in the front-rear direction of the vehicle, the second support has a third fixing hole corresponding to the third mounting hole, and the fixing support and the second support are fixedly connected through a third fixing member penetrating through the third mounting hole and the third fixing hole.

[0016] According to some embodiments of the present application, the second support comprises two mounting arms and a mounting plate, the two mounting arms are arranged at intervals in the front-rear direction of the vehicle, the mounting plate is fixedly connected between the two mounting arms, the third fixing hole is arranged on the mounting arm, and the surface of the mounting plate away from the vehicle frame in the left-right direction of the vehicle forms a third mounting part, the third mounting part is provided with a fourth mounting hole penetrating in the left-right direction of the vehicle, and the second support is fixedly connected with a matching part of the urea tank through a fourth fixing member penetrating through the fourth mounting hole, so that the urea tank is fixedly connected with the second support.

[0017] According to some embodiments of the present application, the power device is arranged on the rear side of the support assembly and fixedly connected with the vehicle frame, and the alcohol tank is arranged on the rear side of the support assembly and fixedly connected with the vehicle frame.

[0018] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings, in which:

[0020] Figure 1 is a structural schematic view of a vehicle according to an embodiment of the present application;

[0021] Figure 2 is a structural schematic view of a support assembly arranged on a vehicle frame according to an embodiment of the present application;

[0022] Figure 3 is a structural schematic view of a support assembly according to an embodiment of the present application;

[0023] Figure 4 is an exploded structural schematic view of a support assembly according to an embodiment of the present application;

[0024] Figure 5 is a structure schematic view of the fixed support of the embodiment of the utility model;

[0025] Figure 6 is a structure schematic view of the first support of the embodiment of the utility model;

[0026] Figure 7 is a structure schematic view of the second support of the embodiment of the utility model.

[0027] Reference signs:

[0028] 100-vehicle;

[0029] 1-frame; 11-first longitudinal beam; 12-second longitudinal beam;

[0030] 2-cab;

[0031] 3-support assembly;

[0032] 31-fixed support; 311-first sub support; 311a-first mounting portion; 311b-first mounting hole; 311c-second mounting portion; 311d-second mounting hole; 3111-first support arm; 3111a-first section; 3111b-second section; 3111c-third mounting hole; 3112-first connecting rod;

[0033] 32-first support; 321-second sub support; 3211-second support arm; 322-second connecting rod; 323-first fixing portion; 3231-mounting base; 3232-hoop strap;

[0034] 33-second support; 33a-third fixing hole; 331-mounting arm; 332-mounting plate; 332a-third mounting portion; 332b-fourth mounting hole;

[0035] 4-gas cylinder;

[0036] 5-urea tank. DETAILED DESCRIPTION

[0037] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0038] The embodiments of the utility model are described below with reference to Figures 1 to 7 , a vehicle 100 can include: frame 1, cab 2, support assembly 3, urea tank 5 and gas cylinder 4.

[0039] With reference to Figure 1 and Figure 2 , the cab 2 can be disposed at the front end of the vehicle frame 1 in the front-rear direction of the vehicle 100; the support assembly 3 is disposed at the rear side of the cab 2 and is fixedly connected with the vehicle frame 1.

[0040] The gas cylinder 4 is disposed on the support assembly 3 and is used for safely storing hydrogen. The urea tank 5 is disposed on the support assembly 3 and is used for storing urea solution (commonly known as diesel exhaust fluid, DEF), which is used to reduce nitrogen oxide (NOx) emissions in the selective catalytic reduction (SCR) system. The urea tank 5 is spaced apart from the gas cylinder 4.

[0041] The vehicle 100 of the utility model integrates the gas cylinder 4 and the urea tank 5 on the support assembly 3, and the support assembly 3 is disposed at the rear side of the cab 2 on the vehicle frame 1, which can reduce the occupation of the space of the truck chassis, optimize the layout structure of the vehicle 100, and have more space to arrange the compressed alcohol tank and the power battery, thereby prolonging the endurance time of the vehicle 100 and improving the user satisfaction.

[0042] With reference to Figure 2 , Figure 3 and Figure 4 , in some embodiments, the support assembly 3 can include a fixed support 31, a first support 32 and a second support 33. The fixed support 31 is fixedly connected with the vehicle frame 1 and serves as the main connecting structure. The first support 32 is fixedly connected with the fixed support 31 and is used for mounting the gas cylinder 4; the second support 33 is fixedly connected with the fixed support 31 and is used for mounting the urea tank 5.

[0043] One of the first support 32 and the second support 33 is located at one side of the fixed support 31 in the height direction of the vehicle 100, and the other is located at one side of the fixed support 31 in the left-right direction of the vehicle 100. Exemplarily, the first support 32 can be located at one side of the fixed support 31 in the height direction of the vehicle 100, and the second support 33 can be located at one side of the fixed support 31 in the left-right direction of the vehicle 100. Of course, the second support 33 can also be located at one side of the fixed support 31 in the height direction of the vehicle 100, and the first support 32 can be located at one side of the fixed support 31 in the left-right direction of the vehicle 100.

[0044] In this way, the gas cylinder 4 is fixedly installed on the first support 32, the urea tank 5 is installed on the second support 33, and the first support 32 and the second support 33 are installed on the vehicle frame 1 through the fixed support 31, so that the degree of integration is high, and the installation operation of the gas cylinder 4 and the urea tank 5 is convenient. In addition, the first support 32 and the second support 33 are arranged in different directions (height direction and left-right direction) of the fixed support 31, so that the space around the vehicle frame 1 is effectively utilized. This layout avoids mutual interference between the gas cylinder 4 and the urea tank 5, and maximizes the space utilization. The gas cylinder 4 and the urea tank 5 are arranged on different structures, which is also beneficial to the maintenance and repair of the gas cylinder 4 and the urea tank 5.

[0045] Reference Figure 2 and Figure 5 In some embodiments, the vehicle frame 1 includes a first longitudinal beam 11 and a second longitudinal beam 12 arranged opposite to each other in the left-right direction of the vehicle 100. The fixed support 31 can include two first sub-supports 311, which are respectively arranged on the left and right sides of the vehicle frame 1 and are respectively connected to the first longitudinal beam 11 and the second longitudinal beam 12. By connecting the two first sub-supports 311 to the first longitudinal beam 11 and the second longitudinal beam 12 of the vehicle frame 1 respectively, a stable support structure is formed, which is beneficial to improve the overall rigidity and stability of the support assembly 3 and can better withstand the vibration and impact during the operation of the vehicle 100.

[0046] The first sub-support 311 has a first mounting portion 311a provided with a first mounting hole 311b penetrating in the left-right direction of the vehicle 100, and the vehicle frame 1 has a first fixing hole corresponding to the first mounting hole 311b. The first fixing member passes through the first mounting hole 311b and the first fixing hole to fixedly connect the first sub-support 311 and the vehicle frame 1. In this way, the fixed support 31 can be fixedly installed on the vehicle frame 1 through the first fastening member, and the installation is convenient.

[0047] Optionally, the first fastening member can include but is not limited to a bolt and nut, a screw, or a pin, so that the fixed support 31 is installed on the vehicle frame 1 conveniently and is beneficial to control the equipment cost.

[0048] According to some embodiments of the present application, the first sub support 311 has a second mounting portion 311c, the second mounting portion 311c is provided with a second mounting hole 311d penetrating along the height direction of the vehicle 100, the first support 32 has a second fixing hole corresponding to the second mounting hole 311d, and the second fixing member penetrates through the second mounting hole 311d and the second fixing hole to fixedly connect the first sub support 311 with the first support 32. By arranging the second mounting portion 311c on the first sub support 311 and connecting the first support 32 through the second mounting hole 311d and the second fixing hole, the first support 32 is more convenient to disassemble and assemble, which is beneficial to the maintenance and repair of the air cylinder 4. Moreover, the first support 32 and the fixed support 31 are fixedly connected along the height direction of the vehicle 100, so that the air cylinder 4 can better bear and disperse the vertical load and vibration during the operation of the vehicle 100, and the overall mechanical properties of the vehicle 100 are improved.

[0049] Optionally, the second fastener can include but is not limited to a bolt nut, a screw or a pin, so that the fixed support 31 is conveniently mounted on the vehicle frame 1, and the cost of the control equipment is controlled.

[0050] Reference Figure 5 According to some embodiments of the present application, the first sub support 311 can include two first support arms 3111 arranged at intervals along the front-rear direction of the vehicle 100, and the first support arms 3111 are fixedly connected through a first connecting rod 3112 extending along the front-rear direction of the vehicle 100. Optionally, the first connecting rod 3112 can be provided in multiple, so as to improve the structural stability of the first sub support 311.

[0051] The first support arm 3111 can include a first section 3111a extending along the height direction of the vehicle 100 and a second section 3111b extending along the left-right direction of the vehicle 100, so that the first support arm 3111 forms an L-shaped structure, which can provide better mechanical properties for the first sub support 311 and can more effectively disperse and bear the multidirectional force during the operation of the vehicle 100. The first mounting portion 311a is located at the first section 3111a, and the second mounting portion 311c is located at the second section 311b, so as to facilitate assembly.

[0052] Reference Figure 6According to some embodiments of the present application, the first support 32 can include two second sub-supports 321, which are arranged in the left-right direction of the vehicle 100, and are fixedly connected by a second connecting rod 322 extending in the left-right direction of the vehicle 100. Optionally, in order to improve the structural stability of the second sub-support 321, the second connecting rod 322 can be provided with multiple second connecting rods 322, and the second connecting rods 322 are arranged in parallel with each other. The arrangement of the second sub-support 321 and the design of the second connecting rod 322 provide an efficient space layout, so that the gas cylinder 4 can be fixed without interfering with other components, which is conducive to achieving efficient component configuration in the limited vehicle 100 chassis space.

[0053] The second fixing hole is located on the side (i.e. the lower side) of the second sub-support 321 close to the frame 1, so that the first support 32 can be quickly and stably connected with the fixed support 31.

[0054] The second sub-support 321 is provided with at least one first fixing part 323, and the first fixing parts 323 of the two second sub-supports 321 are arranged in the left-right direction of the vehicle 100. The number of first fixing parts 323 on each second sub-support 321 corresponds to the number of fixed gas cylinders 4.

[0055] The first fixing part 323 is configured to fix the gas cylinder 4. Exemplarily, the first fixing part 323 can have a fixing space, such as a fixing groove, in which the gas cylinder 4 is fixedly arranged. Alternatively, the first fixing part 323 can have a fixing member, such as a strap, to fix the gas cylinder 4.

[0056] Reference Figure 6 According to some embodiments of the present application, the second sub-support 321 can include at least one second support arm 3211, and the first fixing part 323 includes a mounting base 3231 arranged on the side of the second support arm 3211 away from the frame 1 in the height direction of the vehicle 100, so as to bear the vertical load exerted by the gas cylinder 4 on the frame 1.

[0057] Reference Figure 2 The mounting base 3231 is provided with a hoop strap 3232, which surrounds the gas cylinder 4 to fix the gas cylinder 4, thereby providing a stable fixing mode for the gas cylinder 4, ensuring the stability of the gas cylinder 4 during operation of the vehicle 100, and reducing the risk of displacement or damage due to vibration or impact. The use of the hoop strap 3232 provides a flexible fixing mode for the gas cylinder 4, which can adapt to gas cylinders 4 of different sizes. This flexibility allows the gas cylinder 4 to be adjusted or replaced without changing the main structure, adapting to different vehicle 100 design requirements.

[0058] Optionally, the end surface of the mounting base 3231 towards the gas cylinder 4 can be provided with an arc-shaped recess, which is better matched with the shape of the gas cylinder 4, and is beneficial to further fixing the gas cylinder 4.

[0059] It can be understood that when the second support arm 3211 is provided in plurality, the plurality of second support arms 3211 are arranged along the height direction of the vehicle 100, avoiding interference of the arrangement of the gas cylinder 4 with the mounting structure of the urea tank 5. The plurality of second support arms 3211 can be connected by a third connecting rod extending along the height direction of the vehicle 100, and the third connecting rod is provided in two. In this way, the two third connecting rods and the plurality of second support arms 3211 form a plurality of internally hollow rectangular structures, which on the one hand can ensure the structural strength of the second sub-bracket 321, and on the other hand provide installation space for the gas cylinder 4 inside the rectangular structure, which is beneficial to improve the installation stability of the gas cylinder 4.

[0060] Reference Figure 5 and Figure 7 According to some embodiments of the present application, the first section 3111a has a third mounting hole 3111c penetrating in the front-rear direction of the vehicle 100, and the second bracket 33 has a third fixing hole 33a corresponding to the third mounting hole 3111c, and the fixing bracket 31 and the second bracket 33 are fixedly connected by the third fixing member penetrating through the third mounting hole 3111c and the third fixing hole 33a. The design of the third mounting hole 3111c and the third fixing hole 33a ensures the accurate alignment between the fixing bracket 31 and the second bracket 33, improves the installation accuracy, and reduces the structural stress and wear caused by installation errors.

[0061] It can be understood that the third mounting hole 3111c and the first mounting hole 311b are staggered along the height direction of the vehicle 100 to avoid interference between the first fixing member and the third fixing member.

[0062] Optionally, the second fastening member can include but is not limited to a bolt and nut, a screw or a pin, so that the fixing bracket 31 is conveniently installed on the vehicle frame 1, and the cost of the control equipment is controlled.

[0063] Reference Figure 7 According to some embodiments of the present application, the second bracket 33 includes two mounting arms 331 and a mounting plate 332, and the two mounting arms 331 are arranged in the front-rear direction of the vehicle 100 with a spacing, and the two mounting arms 331 are fixedly connected by the mounting plate 332. In this way, the second bracket 33 can be formed as a U-shaped structure, and the second bracket 33 shell is formed by sheet metal processing, which can make the second bracket 33 lightweight, reduce the use of raw materials on the basis of ensuring the structural strength of the second bracket 33, and is beneficial to reduce the production cost of the equipment.

[0064] The third fixing hole 33a is arranged on the mounting arm 331, so that the second support 33 is conveniently fixedly connected with the fixing support 31, and the urea tank 5 is convenient to overhaul and replace.

[0065] The surface of the mounting plate 332 away from the frame 1 in the left-right direction of the vehicle 100 is provided with a third mounting portion 332a, and the third mounting portion 332a is provided with a fourth mounting hole 332b penetrating in the left-right direction of the vehicle 100. The second support 33 is fixedly connected with a matching portion of the urea tank 5 through the fourth fixing member penetrating through the fourth mounting hole 332b, so that the urea tank 5 is fixedly connected with the second support 33. In this way, the urea tank 5 is integrally mounted on the support assembly 3 through the second support 33, so that the urea tank 5 can be fixed without interfering with other components, and the efficient component configuration in the limited space of the vehicle 100 is facilitated.

[0066] According to some embodiments of the present application, the vehicle 100 can further include a power device and an alcohol tank. The power device is used to function for the vehicle 100, so that the vehicle 100 and the on-board equipment are operated. Exemplarily, the power device can include a methanol fuel cell, a hydrogen fuel cell or a hybrid power system, etc. The power device can be arranged on the rear side of the support assembly 3 and fixedly connected with the frame 1. The alcohol tank can safely store fuel such as methanol, and the alcohol tank can be arranged on the rear side of the support assembly 3 and fixedly connected with the frame 1.

[0067] In the present embodiment, since the gas cylinder 4 and the urea tank 5 are integrally arranged on the support assembly 3, and the support assembly 3 is arranged on the rear side of the cab 2 on the frame 1, there is more space to arrange the power device and the alcohol tank, thereby prolonging the endurance time of the vehicle 100, and further playing the effect of improving the user satisfaction.

[0068] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0069] In the description of the present application, "a plurality of" means two or more.

[0070] In the description of the present application, "a plurality of" means two or more.

[0071] In the description of the utility model, the first feature is "above" or "below" the second feature, which can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them.

[0072] In the description of the utility model, the first feature is "above", "upper" and "on" the second feature, which includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height.

[0073] In the description of the utility model, the description of the reference terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the description, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0074] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A vehicle (100), characterized in that The utility model relates to a kind of vehicle frame, including: Frame (1); Cab (2), is located in the front end of the frame (1) along the front and back direction of vehicle (100); Support assembly (3), is located in the rear side of the cab (2), and is fixedly connected with the frame (1); Air reservoir (4), is located in the support assembly (3); Urea tank (5), is located in the support assembly (3), and is spaced apart with the air reservoir (4).

2. The vehicle (100) according to claim 1, characterized in that The support assembly (3) includes: Fixed support (31), is fixedly connected with the frame (1); First support (32), is fixedly connected with the fixed support (31), and the first support (32) is used to install air reservoir (4); Second support (33), is fixedly connected with the fixed support (31), and the second support (33) is used to install urea tank (5); One of the first support (32) and the second support (33) is located on one side of the fixed support (31) along the height direction of vehicle (100), and the other is located on one side of the fixed support (31) along the left and right direction of vehicle (100).

3. The vehicle (100) according to claim 2, characterized in that The frame (1) includes first longitudinal beam (11) and second longitudinal beam (12) arranged oppositely along the left and right direction of vehicle (100); The fixed support (31) includes two first sub-supports (311), and the two first sub-supports (311) are connected with the first longitudinal beam (11) and the second longitudinal beam (12) respectively; The first sub-support (311) has first mounting portion (311a), and the first mounting portion (311a) is provided with first mounting hole (311b) penetrating along the left and right direction of vehicle (100), and the frame (1) has first fixing hole corresponding to the first mounting hole (311b), and the first sub-support (311) and the frame (1) are fixedly connected by first fixing member through the first mounting hole (311b) and the first fixing hole.

4. The vehicle (100) according to claim 3, characterized in that The first sub-support (311) has second mounting portion (311c), and the second mounting portion (311c) is provided with second mounting hole (311d) penetrating along the height direction of vehicle (100), and the first support (32) has second fixing hole corresponding to the second mounting hole (311d), and the first sub-support (311) and the first support (32) are fixedly connected by second fixing member through the second mounting hole (311d) and the second fixing hole.

5. The vehicle (100) according to claim 4, characterized in that The first sub-support (311) includes two first support arms (3111) arranged spaced apart along the front and back direction of vehicle (100), and the first support arms (3111) are fixedly connected by first connecting rod (3112) between the first support arms (3111), and the first connecting rod (3112) extends along the front and back direction of vehicle (100), The first support arm (3111) comprises a first section (3111a) extending in the height direction of the vehicle (100) and a second section (3111b) extending in the left-right direction of the vehicle (100), the first mounting portion (311a) is located on the first section (3111a), and the second mounting portion (311c) is located on the second section (3111b).

6. The vehicle (100) according to claim 4, characterized in that The first support (32) comprises two second sub-supports (321) arranged in the left-right direction of the vehicle (100) and fixedly connected by a second connecting rod (322) extending in the left-right direction of the vehicle (100), and the second fixing hole is located on the side of the second sub-support (321) close to the vehicle frame (1), The second sub-support (321) is provided with at least one first fixing portion (323), the first fixing portions (323) of the two second sub-supports (321) are arranged in the left-right direction of the vehicle (100), and the first fixing portion (323) is configured to fix the gas cylinder (4).

7. The vehicle (100) according to claim 6, characterized in that The second sub-support (321) comprises at least one second support arm (3211), and the first fixing portion (323) comprises a mounting base (3231) arranged on the side of the second support arm (3211) away from the vehicle frame (1) in the height direction of the vehicle (100), The mounting base (3231) is provided with a hoop strap (3232) surrounding the gas cylinder (4) to fix the gas cylinder (4).

8. The vehicle (100) according to claim 5, characterized in that The first section (3111a) has a third mounting hole (3111c) penetrating in the front-rear direction of the vehicle (100), the second support (33) has a third fixing hole (33a) corresponding to the third mounting hole (3111c), and the fixing support (31) and the second support (33) are fixedly connected by a third fixing member penetrating through the third mounting hole (3111c) and the third fixing hole (33a).

9. The vehicle (100) according to claim 8, characterized in that The second support (33) comprises two mounting arms (331) and a mounting plate (332), the two mounting arms (331) are arranged in the front-rear direction of the vehicle (100), and the two mounting arms (331) are fixedly connected by the mounting plate (332), and the third fixing hole (33a) is arranged on the mounting arm (331), The surface of the mounting plate (332) away from the vehicle frame (1) in the left-right direction of the vehicle (100) forms a third mounting portion (332a), the third mounting portion (332a) is provided with a fourth mounting hole (332b) penetrating in the left-right direction of the vehicle (100), and the second support (33) is fixedly connected with a matching portion of the urea tank (5) by a fourth fixing member penetrating through the fourth mounting hole (332b), so that the urea tank (5) is fixedly connected with the second support (33).

10. The vehicle (100) according to any one of claims 1-9, characterized by Also includes: A power device is arranged at the rear side of the support assembly (3) and fixedly connected with the vehicle frame (1). An alcohol tank is arranged at the rear side of the support assembly (3) and fixedly connected with the vehicle frame (1).

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