Hydrogen fuel cell lower protection device and hydrogen energy heavy truck

Abstract

The utility model discloses a hydrogen fuel cell lower protection device and a hydrogen energy heavy truck, and the hydrogen fuel cell lower protection device comprises a side protection plate assembly which comprises a left side protection plate and a right side protection plate which are symmetrically arranged; the lower ends of the multiple supports are connected with the left side protection plate or the right side protection plate, and the upper ends of the supports are connected with the frame; the lower protection plate assembly comprises a front lower protection plate and a rear lower protection plate which are installed between the left side protection plate and the right side protection plate, the rear end of the front lower protection plate is connected with the front end of the rear lower protection plate, and the middle of the rear lower protection plate is bent downwards by a certain angle; and the left side protection plate, the right side protection plate, the front lower protection plate and the rear lower protection plate are connected to form a groove-shaped structure for arranging a hydrogen fuel cell pipeline. According to the utility model, the waterproof and impact-resistant capabilities of the bottom of the hydrogen fuel cell are improved, and the maintenance period of the bottom is prolonged; the lower protection plate of the lower protection device of the hydrogen fuel cell adopts a sectional design, so that the lower protection plate can be conveniently disassembled and assembled in a narrow space of the vehicle bottom, and maintenance personnel can conveniently overhaul the bottom of the hydrogen fuel cell.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hydrogen fuel cell lower protective device and hydrogen energy heavy truck belong to heavy truck commercial vehicle field. BACKGROUND

[0002] With the development of hydrogen fuel cell technology, hydrogen energy heavy truck has been widely applied. Figure 1 As shown in the figure, the hydrogen fuel cell 2 of the hydrogen energy heavy truck is generally arranged below the cab floor 1 and above the front axle 3, is connected and fixed through bolts and the frame 4, and the parts and sensors at the bottom of the hydrogen fuel cell 2 are completely exposed outside. In the application areas such as construction site, mining area, coal plant and sand plant, when the vehicle is normally driven, the bottom of the hydrogen fuel cell will be impacted by high-pressure water, mud and stone splashing, which will cause the damage of the parts and sensors at the bottom of the hydrogen fuel cell system, so that the hydrogen fuel cell cannot work normally, and the working efficiency of the vehicle is affected. SUMMARY

[0003] In view of the problems existing in the prior art, the utility model provides a hydrogen fuel cell lower protective device and hydrogen energy heavy truck, which avoids the impact of high-pressure water, mud and stone splashing on the bottom of the hydrogen fuel cell.

[0004] In order to achieve the above purpose, the utility model adopts a hydrogen fuel cell lower protective device, which comprises:

[0005] The side guard plate assembly comprises left side guard plates and right side guard plates arranged symmetrically.

[0006] The lower end of the plurality of supports is connected with the left side guard plate or the right side guard plate, and the upper end of the support is connected with the frame.

[0007] The lower guard plate assembly comprises front lower guard plates and rear lower guard plates installed between the left side guard plates and the right side guard plates, the rear end of the front lower guard plate is connected with the front end of the rear lower guard plate, and the middle part of the rear lower guard plate is bent downward by a certain angle.

[0008] The left side guard plate, the right side guard plate, the front lower guard plate and the rear lower guard plate are connected to form a groove structure for arranging the hydrogen fuel cell pipeline.

[0009] In some embodiments, the support is Z-shaped, one end of the support is connected with the left side guard plate or the right side guard plate through bolts, and the other end is connected with the frame through bolts.

[0010] In some embodiments, the left and right ends of the front lower guard plate and the rear lower guard plate are connected with the left side guard plate and the right side guard plate through bolts correspondingly, and the front lower guard plate and the rear lower guard plate are connected through bolts.

[0011] In some embodiments, the plurality of supports are symmetrically installed on the left side guard plate and the right side guard plate.

[0012] In some embodiments, the front lower guard plate comprises a flat plate, and symmetrical connecting plates on both sides of the flat plate, and mounting holes are formed on the connecting plates.

[0013] In some embodiments, the length of the flat plate extending in the front-rear direction is greater than the length of the connecting plates, and a plurality of guard nuts are welded at the rear end of the flat plate.

[0014] In some embodiments, the rear lower guard plate comprises a main plate body bent downward from the middle part, and a baffle plate is arranged at the front part of the main plate body and connected with the front lower guard plate.

[0015] In some embodiments, the left side guard plate comprises a side plate body, and a plurality of bent plates are arranged at the bottom of the side plate body and connected with the side plate body perpendicularly, and a plurality of side plate nuts are welded on the side plate body and the bent plates.

[0016] The second aspect of the utility model further provides a hydrogen energy heavy truck, the hydrogen energy heavy truck is installed with hydrogen fuel cell lower protection device.

[0017] In some embodiments, the hydrogen fuel cell is arranged below the cab floor and above the front axle, and the hydrogen fuel cell lower protection device is arranged below the hydrogen fuel cell and above the front axle.

[0018] Compared with the prior art, the hydrogen fuel cell lower protection device improves the waterproof and impact resistance of the bottom of the hydrogen fuel cell, prolongs the maintenance cycle of the bottom, and the lower guard plate of the hydrogen fuel cell lower protection device is designed in a segmented manner, which is convenient for disassembly and assembly in the narrow space under the vehicle and facilitates maintenance personnel to maintain the bottom of the hydrogen fuel cell. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description can also be used to obtain other drawings without creative labor for those skilled in the art.

[0020] Figure 1 It is a schematic diagram of the whole vehicle arrangement structure of the existing hydrogen fuel cell;

[0021] Figure 2 It is a schematic diagram of the arrangement structure of the hydrogen fuel cell lower protection device of the utility model;

[0022] Figure 3 It is a schematic diagram of the structure of the hydrogen fuel cell lower protection device of the utility model;

[0023] Figure 4 It is the structure schematic view of left side guard board of the utility model;

[0024] Figure 5 It is the structure schematic view of front lower guard board of the utility model;

[0025] Figure 6 It is the structure schematic view of rear lower guard board of the utility model;

[0026] In the drawing: 1, cab bottom plate, 2, hydrogen fuel cell, 3, front axle, 4, frame, 5, hydrogen fuel cell lower guard device, 6, support, 7, left side guard board, 7-1, side plate body, 7-2, bending plate, 7-3, side plate nut, 8, right side guard board, 9, front lower guard board, 9-1, left bending plate, 9-2, flat plate, 9-3, right bending plate, 9-4, guard board nut, 9-5, mounting hole, 10, rear lower guard board, 10-1, main plate body, 10-2, baffle. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be detailed to the technical scheme of the application through the drawing and specific embodiment, it should be understood that the embodiment of the application and the specific features in the embodiment are the detailed description of the technical scheme of the application, and not the limitation of the technical scheme of the application, the technical features in the embodiment of the application and the embodiment can be combined mutually without conflict.

[0028] In the description of the utility model, it should be understood that the orientation or position relation indicated by the terms "front", "rear", "left", "right" and the like is based on the orientation or position relation shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the protection content of the utility model.

[0029] As Figures 1-6 Shown in the drawing, a kind of hydrogen fuel cell lower guard device, including side guard board assembly, support 6 and lower guard board assembly, the side guard board assembly includes symmetrically arranged left side guard board 7 and right side guard board 8;The lower end of multiple support 6 is connected with left side guard board 7 or right side guard board 8, and the upper end of support 6 is connected with frame 4;The lower guard board assembly includes front lower guard board 9, rear lower guard board 10 installed between left side guard board 7 and right side guard board 8, the rear end of front lower guard board 9 is connected with the front end of rear lower guard board 10, and the middle part of rear lower guard board 10 is bent downwards by a certain angle;

[0030] The left side guard board 7, right side guard board 8, front lower guard board 9, rear lower guard board 10 are connected to form groove type structure for hydrogen fuel cell pipeline arrangement.

[0031] In some embodiments, as shown in Figure 3 The bracket 6 is Z-shaped, facilitating the connection of the hydrogen fuel cell lower protection device 5 and the vehicle frame 4, avoiding interference. One end of the bracket 6 is connected to the left side guard plate 7 or the right side guard plate 8 through a bolt, and the other end is connected to the vehicle frame 4 through a bolt, facilitating disassembly and assembly.

[0032] In some embodiments, as shown in Figure 2 , Figure 3 The left and right ends of the front lower guard plate 9 and the rear lower guard plate 10 are connected to the left side guard plate 7 and the right side guard plate 8 through bolts, respectively. The front lower guard plate 9 and the rear lower guard plate 10 are connected through bolts, facilitating disassembly and assembly.

[0033] In some embodiments, as shown in Figure 3 A plurality of brackets 6 are symmetrically installed on the left side guard plate 7 and the right side guard plate 8, ensuring the convenience and stability of the installation of the hydrogen fuel cell lower protection device 5.

[0034] In some embodiments, as shown in Figure 5 The front lower guard plate 9 includes a flat plate 9-2, left and right curved plates 9-1 and 9-3 symmetrically connected to both sides of the flat plate 9-2, and mounting holes 9-5 for connecting the left side guard plate 7 and the right side guard plate 8 are arranged on the left and right curved plates 9-1 and 9-3. The length of the flat plate 9-2 extending in the front-rear direction is greater than the length of the curved plate, facilitating the connection with the rear lower guard plate 10. A plurality of guard nuts 9-4 are welded to the rear end of the flat plate 9-2.

[0035] In some embodiments, as shown in Figure 6 The rear lower guard plate 10 includes a main plate body 10-1 bent downward from the middle. The bending design is beneficial for water drainage of the lower guard plate. A plurality of connection holes are arranged on the outer ring of the main plate body 10-1. Some of the connection holes are used to connect the front lower guard plate 9, and the others are used to connect the left side guard plate 7 and the right side guard plate 8.

[0036] The front part of the main plate body 10-1 is provided with a baffle 10-2 connected to the front lower guard plate 9, which can cooperate with the left and right curved plates 9-1 and 9-3 in the front lower guard plate 9. The tail of the main plate body 10-1 is bent to form a reinforcing rib, which can improve the structural strength of the rear lower guard plate 10.

[0037] In some embodiments, as shown in Figure 4 The left side guard plate 7 includes a side plate body 7-1. A plurality of bent plates 7-2 are arranged on the bottom of the side plate body 7-1 and connected perpendicularly to the side plate body 7-1. A plurality of side plate nuts 7-3 are welded to the side plate body 7-1 and the bent plate 7-2, facilitating connection through bolts.

[0038] It should be noted that the left side guard plate 7, the right side guard plate 8, the front lower guard plate 9 and the rear lower guard plate 10 can be integrated or split.

[0039] The utility model discloses a second aspect further provides a kind of hydrogen energy heavy truck, the hydrogen energy heavy truck is installed with the hydrogen fuel cell lower protection device.

[0040] In some embodiments, as Figure 2 As shown in the figure, the hydrogen energy heavy truck includes cab floor 1, hydrogen fuel cell 2 and front axle 3, the hydrogen fuel cell 2 is fixedly connected with frame 4 by bolt, hydrogen fuel cell 2 is arranged below cab floor 1, above front axle 3, hydrogen fuel cell lower protection device 5 is arranged below hydrogen fuel cell 2 and above front axle 3.

[0041] The utility model discloses hydrogen fuel cell lower protection device, improve the waterproof and impact resistance of hydrogen fuel cell bottom, prolong the bottom maintenance period;The lower guard plate of this hydrogen fuel cell lower protection device adopts sectional design, is favorable to the dismounting of lower guard plate in the narrow space of car bottom, and it is convenient for maintenance personnel to overhaul the bottom of hydrogen fuel cell.

[0042] In addition, those skilled in the art can understand that although some embodiments described herein include certain features included in other embodiments rather than other features, combinations of features of different embodiments also mean within the protection scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use in a combined manner according to the known technical solutions and the technical problems to be solved in the present application.

Claims

1. A hydrogen fuel cell underguard characterized by, The application relates to a hydrogen fuel cell lower protection device for a hydrogen energy heavy truck. The hydrogen fuel cell lower protection device comprises a side guard plate assembly, a support (6), a lower guard plate assembly, and a hydrogen fuel cell. The side guard plate assembly comprises left side guard plates (7) and right side guard plates (8) arranged symmetrically. The lower ends of a plurality of the supports (6) are connected with the left side guard plates (7) or the right side guard plates (8), and the upper ends of the supports (6) are connected with a vehicle frame (4). The lower guard plate assembly comprises front lower guard plates (9) and rear lower guard plates (10) installed between the left side guard plates (7) and the right side guard plates (8).

2. A hydrogen fuel cell underguard as defined in claim 1, wherein The rear end of the front lower guard plate (9) is connected with the front end of the rear lower guard plate (10), and the middle part of the rear lower guard plate (10) is bent downwards by a certain angle.

3. A hydrogen fuel cell underguard according to claim 1 or 2, wherein The left side guard plates (7), the right side guard plates (8), the front lower guard plates (9) and the rear lower guard plates (10) are connected to form a groove type structure for hydrogen fuel cell pipeline arrangement.

4. A hydrogen fuel cell underguard as defined in claim 1, wherein The support (6) is Z-shaped, one end of the support (6) is connected with the left side guard plate (7) or the right side guard plate (8) through a bolt, and the other end is connected with the vehicle frame (4) through a bolt.

5. A hydrogen fuel cell underguard as defined in claim 1, wherein The left and right ends of the front lower guard plate (9) and the rear lower guard plate (10) are connected with the left side guard plate (7) and the right side guard plate (8) through bolts in correspondence.

6. A hydrogen fuel cell underguard as defined in claim 5, wherein The front lower guard plate (9) is connected with the rear lower guard plate (10) through bolts.

7. A hydrogen fuel cell underguard as defined in claim 1, wherein A plurality of the supports (6) are symmetrically installed on the left side guard plates (7) and the right side guard plates (8).

8. A hydrogen fuel cell underguard as defined in claim 1, wherein The front lower guard plate (9) comprises a flat plate (9-2) and bent plates symmetrically connected on both sides of the flat plate (9-2). 9.A hydrogen energy heavy truck, characterized in that, The length of the flat plate (9-2) extending in the front-rear direction is greater than the length of the bent plate.

10. The hydrogen energy heavy truck of claim 9, wherein, The rear end of the flat plate (9-2) is welded with a plurality of guard plate nuts (9-4). The rear lower guard plate (10) comprises a main plate body (10-1) bent downwards from the middle part. The left side guard plate (7) comprises a side plate body (7-1), and the bottom of the side plate body (7-1) is provided with a plurality of bent plates (7-2) connected perpendicularly with the side plate body (7-1). The side plate body (7-1) and the bent plates (7-2) are welded with a plurality of side plate nuts (7-3). The hydrogen fuel cell lower protection device is installed on the hydrogen energy heavy truck. The hydrogen fuel cell lower protection device comprises a cab bottom plate (1), a hydrogen fuel cell (2) and a front axle (3).

Images