Fuel bottle fixing device and fuel cell vehicle

Abstract

The utility model provides a fuel bottle fixing device and a fuel cell vehicle, and relates to the technical field of fixing devices, the fuel bottle fixing device comprises a load-bearing support, a collet and a fastening assembly, the fastening assembly is arranged on the collet and used for placing and fixing a fuel bottle, the load-bearing support is fixedly connected with a vehicle frame, and the collet is detachably connected with the load-bearing support. By means of the bearing support and the bottom support, the fuel bottle can be firmly installed on the vehicle frame, when the fuel bottle needs to be overhauled, the bottom support and the bearing support are detached, the bottom support and the fuel bottle on the bottom support can be rapidly detached, and operation is convenient and rapid. According to the fuel cell vehicle provided by the invention, the fuel bottle is fixed by adopting the fuel bottle fixing device, so that the fuel bottle is convenient and rapid to disassemble and assemble, and the fuel bottle is convenient to check and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing devices, in particular to a fuel bottle fixing device and a fuel cell vehicle. Background Art

[0002] At present, carbon neutrality and carbon peak have become topics of common concern around the world. Implementing the "dual carbon" strategy and promoting green and low-carbon development have become the unshirkable responsibilities of the automotive industry. Hydrogen energy, as a clean and renewable new energy source, plays an important role in vehicle energy conservation and emission reduction. At the same time, compared with pure electric vehicles, hydrogen fuel cell vehicles have advantages such as long driving range and fast energy replenishment speed, and are considered to be the best choice for future trunk heavy-duty trucks.

[0003] Due to the limitations of domestic hydrogen storage and refueling conditions, the current hydrogen supply system for domestic fuel cell tractors is still mainly based on 35MPa hydrogen storage bottles. In order to meet the requirements of longer vehicle endurance, some OEMs currently choose to place an additional large-volume hydrogen bottle in the middle of the chassis frame longitudinal beam on the basis of the hydrogen supply system at the back of the cab, so as to increase the hydrogen storage capacity of the vehicle and further improve the vehicle endurance. Since hydrogen bottles are special equipment, they need to be removed from the vehicle for safety inspection and certification during the annual inspection cycle. Affected by the hydrogen supply frame at the back of the cab, the removal of the existing mid-mounted hydrogen bottle frame is extremely inconvenient, resulting in difficulties in operation during maintenance. Utility Model Content

[0004] The purpose of the utility model is to provide a fuel bottle fixing device and a fuel cell vehicle to solve the above technical problems.

[0005] In a first aspect, an embodiment of the utility model provides a fuel bottle fixing device, which includes: a load-bearing bracket, a base and a fastening assembly, wherein the fastening assembly is arranged on the base, the fastener is used to fix the fuel bottle, the load-bearing bracket is fixedly connected to the vehicle frame, and the base and the load-bearing bracket are detachably connected.

[0006] Furthermore, the fastening assembly includes a fastening belt and a connecting seat, a fixing support plate for placing the fuel bottle is provided on the bottom support, the fastening belt is sleeved on the fuel bottle, and both ends of the fastening belt are detachably connected to the connecting seat.

[0007] Furthermore, an adjustment component is provided on the connecting seat, and the adjustment component is used to adjust the length of the fastening belt.

[0008] Furthermore, the load-bearing support includes a reinforcing support provided on the bottom support, and the reinforcing support is connected to the fixed support plate for supporting the fixed support plate.

[0009] Furthermore, the fixed support plate is configured as an arc-shaped structure that fits the peripheral wall of the fuel bottle.

[0010] Furthermore, a buffer pad is provided on the side where the fixing support plate and the fastening belt contact the fuel bottle.

[0011] Furthermore, the load-bearing bracket includes a first connecting plate and a second connecting plate, one end of the first connecting plate is connected to the frame, the other end of the first connecting plate is connected to the second connecting plate, and the second connecting plate is detachably connected to the bottom bracket.

[0012] Furthermore, the first connecting plate is configured as an L-shaped structure, and a suspension pad is provided at the connection between the first connecting plate and the second connecting plate, and the first connecting plate is connected to the second connecting plate via the suspension pad.

[0013] Furthermore, a mounting pad is provided on the load-bearing bracket, and the mounting pad is located between the load-bearing bracket and the vehicle frame.

[0014] On the other hand, an embodiment of the utility model further provides a fuel cell vehicle, which includes a vehicle body and any one of the above-mentioned fuel bottle fixing devices, wherein the load-bearing bracket of the fuel bottle fixing device is connected to the frame of the vehicle body.

[0015] The utility model provides a fuel bottle fixing device, which comprises: a load-bearing bracket, a bottom bracket and a fastening assembly, wherein the fastening assembly is arranged on the bottom bracket and is used to place and fix the fuel bottle, the load-bearing bracket is fixedly connected to the vehicle frame, and the bottom bracket is detachably connected to the load-bearing bracket. The fuel bottle can be firmly mounted on the vehicle frame through the load-bearing bracket and the bottom bracket, and when the fuel bottle needs to be inspected, the bottom bracket and the load-bearing bracket are disassembled, and the bottom bracket together with the fuel bottle on the bottom bracket can be quickly removed, and the operation is convenient and quick.

[0016] The utility model provides a fuel cell vehicle, which adopts the above-mentioned fuel bottle fixing device to fix the fuel bottle, and the fuel bottle can be easily and quickly disassembled and assembled, and the inspection and maintenance of the fuel bottle are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A three-dimensional diagram of a fuel bottle fixing device provided by an embodiment of the utility model;

[0019] Figure 2 A three-dimensional diagram of a base in a fuel bottle fixing device provided by an embodiment of the utility model;

[0020] Figure 3This is a diagram showing the use status of the base in the fuel bottle fixing device provided in an embodiment of the utility model.

[0021] Icons: 100-load-bearing bracket; 200-bottom support; 300-fastening assembly; 400-fuel bottle; 500-frame; 301-fastening belt; 302-connecting seat; 303-adjusting assembly; 201-fixed support plate; 202-reinforcement bracket; 600-buffer belt; 700-installation pad; 101-first connecting plate; 102-second connecting plate; 800-suspension cushion. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0025] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0027] Example 1

[0028] The present embodiment provides a fuel bottle fixing device, which includes: a load-bearing bracket 100, a base 200 and a fastening assembly 300, wherein the fastening assembly 300 is arranged on the base 200, and the fastener is used to fix the fuel bottle 400. The load-bearing bracket 100 is fixedly connected to the frame 500, and the base 200 is detachably connected to the load-bearing bracket 100.

[0029] Please refer to Figure 1 As shown, in this embodiment, the load-bearing bracket 100 and the bottom bracket 200 can be made of metal materials such as iron and aluminum, or alloy materials such as stainless steel, to improve the strength of the load-bearing bracket 100 and the bottom bracket 200 and ensure the stability of the fuel bottle 400 after installation. In this embodiment, the bottom bracket 200 is set as a square support plate structure, which is convenient for placing the fuel bottle 400. A plurality of load-bearing brackets 100 are circumferentially arranged at the edge of the bottom bracket 200, and the load-bearing brackets 100 are connected to the frame 500, so that the bottom bracket 200 is fixed on the frame 500. A fastening assembly 300 is arranged on the bottom bracket 200, and the fastening assembly 300 is used to fix the fuel bottle 400 placed on the bottom bracket 200. The bottom bracket 200 is detachably connected to the load-bearing bracket 100. When the fuel bottle 400 needs to be disassembled, the bottom bracket 200 and the load-bearing bracket 100 can be separated, and the bottom bracket 200 together with the fuel bottle 400 placed on the bottom bracket 200 can be disassembled together, and then the bottom bracket 200 can be moved to an open place to facilitate the removal or replacement of the fuel bottle 400. It can be understood that the existing fuel bottle 400 is usually fixed to the bottom of the vehicle, but the space at the bottom of the vehicle is small, and in order to avoid the fuel bottle 400 from detaching and causing a safety accident, it is necessary to use multiple fixing devices to assist in fixing, which makes it difficult to disassemble and assemble the fuel bottle 400. However, this embodiment changes the installation method of the fixing device, directly disassembles the bottom bracket 200 to realize the disassembly of the fuel bottle 400, improves the convenience during operation, and increases the speed of disassembly and assembly.

[0030] Please refer to Figure 1As shown, in this embodiment, six load-bearing brackets 100 are arranged at intervals on both sides of the bottom bracket 200, and are directly connected to the frame 500 through six load-bearing brackets to ensure the connection strength. It can be understood that the fuel bottle 400 itself has a certain weight, and the weight will increase after filling with fuel. Therefore, multiple load-bearing brackets 100 are arranged to improve the support effect and avoid the bottom bracket 200 from falling and causing safety accidents. The number of load-bearing brackets 100 can also be adjusted according to the strength of the material used to further improve safety. The bottom bracket 200 is detachably connected to the load-bearing bracket 100 by bolts or the like, and each load-bearing bracket 100 can be provided with multiple fixing bolts to ensure the connection strength. The operator can quickly disassemble the bottom bracket 200 or fix the bottom bracket 200 to the load-bearing bracket 100 through the fixing bolts, which is convenient and quick to operate, and improves the convenience of disassembly, assembly and maintenance of the fuel bottle 400.

[0031] Optionally, in some implementations of this embodiment, the fastening assembly 300 includes a fastening belt 301 and a connecting seat 302, and a fixed support plate 201 for placing the fuel bottle 400 is provided on the base 200, the fastening belt 301 is sleeved on the fuel bottle 400, and the two ends of the fastening belt 301 are detachably connected to the connecting seat 302.

[0032] Please refer to Figure 2 and Figure 3 As shown, in this embodiment, the fastening components 300 include a fixed support plate 201 and a fastening belt 301. The fixed support plate 201 is used to support the fuel bottle 400 and ensure the stability of the fuel bottle 400. The two ends of the fixed support plate 201 are respectively provided with connecting seats 302, and the connecting seats 302 are used to connect the fastening belt 301. When the fuel bottle 400 is placed on the fixed support plate 201, the fastening belt 301 can be sleeved on the peripheral wall of the fuel bottle 400, and then the two ends of the fastening belt 301 are fixedly connected to the connecting seat 302. At this time, the fastening belt 301 and the fixed support plate 201 form a hoop structure to fix the fuel bottle 400 on the bottom support 200. In this embodiment, two groups of fastening components 300 are provided on the bottom support 200, and the two groups of fastening components 300 are symmetrically distributed at 590mm from both ends of the center of mass of the fuel bottle 400 to ensure the stability of the fuel bottle 400 and prevent the fuel bottle 400 from slipping. Optionally, in some other embodiments, three, four or more fastening assemblies 300 may be arranged at intervals on the base 200 to enhance the fixing strength of the fuel bottle 400 and improve safety.

[0033] Optionally, in some implementations of this embodiment, an adjustment component 303 is provided on the connecting seat 302 , and the adjustment component 303 is used to adjust the length of the fastening belt 301 .

[0034] It is understandable that the existing fuel bottles 400 have certain model standards, and the same model of fuel bottles 400 are usually of the same shape and size. However, due to manufacturing errors and the use environment, the fuel bottles 400 expand and contract due to heat, which may cause the sizes of the fuel bottles 400 to be not completely the same. In order to ensure the stability of the fuel bottle 400 after it is fixed, and to prevent the fuel bottle 400 from shaking, making abnormal noises, and slipping due to the installation gap, an adjustment component 303 is provided on the connecting seat 302, which is used to adjust the length of the fastening belt 301, to ensure that the fastening belt 301 always fits the peripheral wall of the fuel bottle 400, and to improve the firmness of the fuel bottle 400 when it is fixed.

[0035] Optionally, in some implementations of this embodiment, a threaded hole is provided on the connection seat 302, and adjustment bolts are respectively provided at both ends of the fastening belt 301, and the adjustment bolts are screwed with the threaded holes on the connection seat 302. The fastening belt 301 is connected to the connection seat 302 through the adjustment bolts, and the connection is firm, and the fastening belt 301 is not easy to loosen. At the same time, the tightness of the fastening belt 301 can be adjusted by rotating the adjustment bolts, and the operation is convenient and quick.

[0036] Optionally, in some other embodiments, the length of the fastening belt 301 can also be adjusted by a length adjustment buckle.

[0037] Optionally, in some implementations of the present embodiment, the load-bearing bracket 100 includes a reinforcing bracket 202 disposed on the base 200 , and the reinforcing bracket 202 is connected to the fixed support plate 201 for supporting the fixed support plate 201 .

[0038] Please refer to Figure 3 As shown, in this embodiment, the reinforcing bracket 202 is integrated with three rectangular steel pipes and connected with the bottom bracket 200 and the fixed bracket 201 by welding, etc., to play a role in auxiliary support of the fixed bracket 201 and ensure the support strength of the fixed bracket 201. The reinforcing bracket 202 can transfer the force of the fuel bottle 400 in the length direction to the bottom bracket 200, avoid damage to the fixed bracket 201, and effectively improve the structural strength of the bottom bracket 200 and the fixed bracket 201.

[0039] Optionally, in some implementations of this embodiment, the reinforcing bracket 202 may also adopt other forms of direct structures, such as using multiple L-shaped support plates, which can assist in supporting the fixed support plate 201 and improve the structural strength of the base 200, without specific limitation.

[0040] Optionally, in some implementations of this embodiment, the fixed support plate 201 is configured as an arc-shaped structure that fits the peripheral wall of the fuel bottle 400 .

[0041] Please refer to Figure 3As shown, it can be understood that the internal pressure of the fuel bottle 400 is relatively large after being filled with fuel. In order to avoid deformation of the fuel bottle 400, the existing fuel bottle 400 is usually set to a cylindrical structure. Therefore, the base 200 provided in this embodiment is provided with an arc-shaped fixed support plate 201, and the fixed support plate 201 fits the surface of the fuel bottle 400 to prevent the fuel bottle 400 from rolling. After the base 200 is disassembled, the fuel bottle 400 can be placed on the base 200, and the base 200 forms a support frame, which is convenient for measuring and maintaining the fuel bottle 400. At the same time, the fixed support plate 201 is set to an arc structure, and with the soft fastening belt 301, it can ensure to the greatest extent that the clamp structure formed by the fixed support plate 201 and the fastening belt 301 can fit the surface of the fuel bottle 400, reduce the installation gap, and avoid the fuel bottle 400 from generating abnormal noise due to the gap.

[0042] Optionally, in some implementations of this embodiment, a buffer pad belt 600 is provided on the side where the fixing support plate 201 and the fastening belt 301 contact the fuel bottle 400 .

[0043] Please refer to Figure 3 As shown, in this embodiment, a buffer pad belt 600 is provided on the upper surface of the fixed support plate 201, and a buffer pad belt 600 is also provided on the fastening belt 301. The buffer pad belt 600 can be made of rubber, silicone or other composite materials with a certain elasticity. On the one hand, the buffer pad belt 600 can play a buffering and protective role to prevent the outer surface of the fuel bottle 400 from colliding with other structures and being deformed or damaged. On the other hand, the soft buffer pad belt 600 can fill the gap between the fuel bottle 400 and the fixed support plate 201 and the fastening belt 301, ensure the stability of the fuel bottle 400 after installation, and prevent the fuel bottle 400 from colliding with the fixed support plate 201 and producing abnormal noise. At the same time, the buffer pad belt 600 can also play an anti-slip role, and the friction with the surface of the fuel bottle 400 is increased by the buffer pad belt 600 to prevent the fuel bottle 400 from rotating or moving laterally.

[0044] Optionally, in some embodiments of this embodiment, a side of the buffer belt 600 in contact with the fuel bottle 400 is provided with an anti-slip structure such as anti-slip stripes to further enhance the anti-slip effect.

[0045] Optionally, in some implementations of this embodiment, the load-bearing bracket 100 includes a first connecting plate 101 and a second connecting plate 102, one end of the first connecting plate 101 is connected to the frame 500, the other end of the first connecting plate 101 is connected to the second connecting plate 102, and the second connecting plate 102 is detachably connected to the base 200.

[0046] Please refer to Figure 1As shown, in this embodiment, the load-bearing bracket 100 mainly includes a first connecting plate 101 connected to the frame 500 and a second connecting plate 102 connected to the base 200. The first connecting plate 101 and the second connecting plate 102 are interconnected to form the load-bearing bracket 100, and the first connecting plate 101 and the second connecting plate 102 are detachably connected.

[0047] Optionally, in some implementations of this embodiment, the first connecting plate 101 is configured as an L-shaped structure, and a suspension pad 800 is provided at the connection between the first connecting plate 101 and the second connecting plate 102 , and the first connecting plate 101 is connected to the second connecting plate 102 via the suspension pad 800 .

[0048] Please refer to Figure 1 As shown, in this embodiment, the first connecting plate 101 is set to an L-shaped structure, and the lower end is connected to the second connecting plate 102 and the bottom bracket 200. It can be understood that the existing frame 500 model size is relatively fixed and difficult to replace, and the width of the fuel bottle 400 is smaller than the width of the frame 500. Therefore, the L-shaped first connecting plate 101 is set to adapt to different width frames 500 and bottom brackets 200, and the bottom bracket 200 with a smaller width is installed on the frame 500 with a larger width, thereby saving space and cost. The first connecting plate 101 and the second connecting plate 102 are detachably connected, and a suspension cushion 800 is provided at the connection between the first connecting plate 101 and the second connecting plate 102. The suspension cushion 800 can play the role of a shock-absorbing cushion, and the suspension cushion 800 can release the torsional force of the left and right longitudinal beams of the buffer frame 500 on the frame of the fuel bottle 400, thereby improving the reliability and durability of the fuel bottle fixing device.

[0049] Optionally, in some implementations of this embodiment, a mounting pad 700 is provided on the load-bearing bracket 100 , and the mounting pad 700 is located between the load-bearing bracket 100 and the frame 500 .

[0050] Please refer to Figure 1 As shown, in this embodiment, a mounting pad 700 is provided at the connection between the load-bearing bracket 100 and the frame 500 . The mounting pad 700 can play a protective role and is used to protect the frame 500 and the load-bearing bracket 100 .

[0051] Example 2

[0052] This embodiment provides a fuel cell vehicle, which includes a vehicle body and the above-mentioned fuel bottle fixing device, and the load-bearing bracket 100 of the fuel bottle fixing device is connected to the frame 500 of the vehicle body.

[0053] In this embodiment, the fuel cell vehicle is connected to the fuel bottle fixture via the vehicle frame 500, and then the fuel bottle 400 is placed on the fuel bottle fixture, which is convenient for carrying fuel. The fuel bottle fixture can quickly and synchronously disassemble the fuel bottle 400 by disassembling the base 200, thereby improving the disassembly and assembly efficiency and facilitating the inspection and maintenance of the fuel bottle 400.

[0054] In summary, the embodiment of the utility model provides a fuel bottle fixing device, which includes: a load-bearing bracket 100, a bottom bracket 200 and a fastening assembly 300. The fastening assembly 300 is arranged on the bottom bracket 200 and is used to place and fix the fuel bottle 400. The load-bearing bracket 100 is fixedly connected to the vehicle frame 500, and the bottom bracket 200 is detachably connected to the load-bearing bracket 100. Through the load-bearing bracket 100 and the bottom bracket 200, the fuel bottle 400 can be firmly installed on the vehicle frame 500. When the fuel bottle 400 needs to be repaired, the bottom bracket 200 and the load-bearing bracket 100 are disassembled, and the bottom bracket 200 together with the fuel bottle 400 on the bottom bracket 200 can be quickly removed, and the operation is convenient and quick.

[0055] The embodiment of the utility model further provides a fuel cell vehicle, which uses the above-mentioned fuel bottle fixing device to fix the fuel bottle 400, and the fuel bottle 400 is easy and quick to disassemble and assemble, and the inspection and maintenance of the fuel bottle 400 are convenient.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A fuel bottle fixing device, characterized in that: include: A load-bearing bracket (100), a base bracket (200) and a fastening assembly (300), wherein the fastening assembly (300) is arranged on the base bracket (200), the fastening assembly (300) is used to fix a fuel bottle (400), the load-bearing bracket (100) is fixedly connected to a vehicle frame (500), and the base bracket (200) is detachably connected to the load-bearing bracket (100).

2. The fuel bottle fixing device according to claim 1, characterized in that: The fastening assembly (300) comprises a fastening belt (301) and a connecting seat (302); a fixing support plate (201) for placing a fuel bottle (400) is provided on the base (200); the fastening belt (301) is sleeved on the fuel bottle (400), and two ends of the fastening belt (301) are detachably connected to the connecting seat (302).

3. The fuel bottle fixing device according to claim 2, characterized in that: An adjustment component (303) is arranged on the connection seat (302), and the adjustment component (303) is used to adjust the length of the fastening belt (301).

4. The fuel bottle fixing device according to claim 2 or 3, characterized in that: The load-bearing support (100) comprises a reinforcing support (202) arranged on a bottom support (200), wherein the reinforcing support (202) is connected to the fixed support plate (201) and is used to support the fixed support plate (201).

5. The fuel bottle fixing device according to claim 2 or 3, characterized in that: The fixed support plate (201) is configured as an arc-shaped structure that fits closely to the peripheral wall of the fuel bottle (400).

6. The fuel bottle fixing device according to claim 5, characterized in that: The sides of the fixed support plate (201) and the fastening belt (301) that are in contact with the fuel bottle (400) are both provided with a buffer pad belt (600).

7. The fuel bottle fixing device according to claim 1, characterized in that: The load-bearing bracket (100) comprises a first connecting plate (101) and a second connecting plate (102), one end of the first connecting plate (101) is connected to the vehicle frame (500), the other end of the first connecting plate (101) is connected to the second connecting plate (102), and the second connecting plate (102) is detachably connected to the base (200).

8. The fuel bottle fixing device according to claim 7, characterized in that: The first connecting plate (101) is configured as an L-shaped structure, and a suspension cushion (800) is provided at the connection between the first connecting plate (101) and the second connecting plate (102), and the first connecting plate (101) is connected to the second connecting plate (102) via the suspension cushion (800).

9. The fuel bottle fixing device according to claim 1, characterized in that: The load-bearing bracket (100) is provided with a mounting pad (700), and the mounting pad (700) is located between the load-bearing bracket (100) and the vehicle frame (500).

10. A fuel cell vehicle, characterized in that: It comprises a vehicle body and a fuel bottle fixing device as claimed in any one of claims 1 to 9, wherein a load-bearing bracket (100) of the fuel bottle fixing device is connected to a frame (500) of the vehicle body.

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