CN209888668U - Gas cylinder fixing device in vehicle-mounted hydrogen storage system - Google Patents
Gas cylinder fixing device in vehicle-mounted hydrogen storage system Download PDFInfo
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- CN209888668U CN209888668U CN201920239622.8U CN201920239622U CN209888668U CN 209888668 U CN209888668 U CN 209888668U CN 201920239622 U CN201920239622 U CN 201920239622U CN 209888668 U CN209888668 U CN 209888668U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model discloses a gas cylinder fixing device in on-vehicle hydrogen storage system, include: the gas cylinder is horizontally fixed in the fixed frame through a hoop with a rubber gasket; the fixed frames at two ends of the gas cylinder are respectively provided with an axial fixed component, and the structure of the axial fixed component is as follows: the fixed frame is fixedly provided with a supporting plate component, the supporting plate component is provided with supporting rubber pads, and the supporting surfaces of the supporting rubber pads on the two axial fixing components are respectively clung to the spherical surfaces at the two ends of the gas cylinder. The device can effectively alleviate the axial vibration of the gas cylinder, and reduce the abrasion of the rubber pad and the hydrogen supply system pipeline.
Description
Technical Field
The utility model relates to an on-vehicle hydrogen storage technology field especially relates to a gas cylinder fixing device in on-vehicle hydrogen storage system.
Background
The hydrogen energy has the characteristics of abundant reserves, wide sources, high energy density, cyclic utilization, zero emission of greenhouse gases and pollutants and the like, is a recognized clean energy source and is beneficial to solving the problems of energy crisis, environmental pollution, global warming and the like, so the hydrogen energy is regarded as an important bridge for connecting fossil energy and renewable energy.
In the 90 s of the 20 th century, new energy automobiles, particularly hydrogen fuel cell vehicles, were controversially researched by various countries. Based on the requirement that the hydrogen fuel cell vehicle must meet high efficiency, safety, low cost and the like, the vehicle-mounted hydrogen storage technology is the most important for the development of the hydrogen fuel cell vehicle.
The gas cylinder in the vehicle-mounted hydrogen storage system is usually in a long cylindrical shape and is not easy to be fixed, so that the gas cylinder needs to be effectively fixed, and accidents are reduced. The cylinder fixing device in the current common vehicle-mounted hydrogen storage system adopts a pair of hoops with rubber mats to horizontally fix the cylinder in a fixed frame, and the axial direction of the cylinder is consistent with the running direction of a hydrogen fuel cell vehicle. The device has the following disadvantages: the hydrogen fuel cell vehicle inevitably can have the vibration phenomenon at the in-process of traveling, and this can lead to gas cylinder axial vibration very violent to the wearing and tearing of aggravation rubber pad, the rubber pad is changed very frequently. In addition, the hydrogen supply system pipeline connected with the gas cylinder is not ideal in fixation, and has the defects of abrasion and vibration damage.
In addition, the gas cylinder fixing device in the vehicle-mounted hydrogen storage system is additionally provided with the pretightening bolt capable of adjusting the tension force of the hoop on the basis of the gas cylinder fixing device, but the pretightening force is only increased, the problem of abrasion of the rubber gasket caused by vibration is not fundamentally solved, the friction force between the rubber gasket and the gas cylinder still exists, and the rubber gasket is more troublesome to replace. In addition, vibration can also cause the pretension bolt to loosen, and risk potential exists.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve is: the utility model provides a fixed steady, easy dismounting's gas cylinder fixing device in on-vehicle hydrogen storage system, the device can effectively alleviate the axial vibration of gas cylinder, reduces the wearing and tearing of rubber pad and hydrogen supply system pipeline.
In order to solve the above problem, the utility model adopts the following technical scheme: the gas cylinder fixing device in the vehicle-mounted hydrogen storage system comprises: the fixed frame, the gas cylinder is fixed in the fixed frame through the hoop with rubber pad through lying, generally set up a pair of hoops with rubber pad. The fixed frames at two ends of the gas cylinder are respectively provided with an axial fixed component, and the structure of the axial fixed component is as follows: the supporting plate component is fixedly arranged on the fixed frame, the supporting rubber pads are arranged on the supporting plate component, and the supporting surfaces of the supporting rubber pads on the two axial fixing components are respectively tightly attached to the spherical surfaces at the two ends of the gas cylinder, so that the axial vibration of the gas cylinder is reduced, and the problem of abrasion of the rubber pads on the hoop is greatly solved.
Further, in the gas cylinder fixing device in the vehicle-mounted hydrogen storage system, the supporting surface of the supporting rubber gasket is a concave spherical surface matched with the spherical surface of the end of the gas cylinder in contact with the supporting rubber gasket.
Further, in the gas cylinder fixing device in the vehicle-mounted hydrogen storage system, the supporting rubber gasket is a T-shaped rubber gasket formed by a supporting portion and a connecting portion; be provided with on supporting plate subassembly with T shape rubber pad assorted shape of falling T holds the groove, the connecting portion card of supporting rubber pad inlays in T shape holds the groove, and outside the supporting part of supporting rubber pad stretched out T shape and holds the groove, the holding surface of supporting rubber pad was located the supporting part top of stretching out outside the T shape holds the groove.
Further, in the gas cylinder fixing device in the vehicle-mounted hydrogen storage system, a plurality of fixing clamps for fixing the hydrogen supply system pipeline connected with the gas cylinder are further arranged in the fixing frame.
Further, the gas cylinder fixing device in the vehicle-mounted hydrogen storage system, wherein the fixing clip comprises: the upper fixing plate, the pipe clamp rubber pad, the lower fixing plate and the bolt are arranged on the upper fixing plate; a horizontal through hole is formed in the pipe clamp rubber gasket, an opening is formed in one side of the pipe clamp rubber gasket and horizontally penetrates through the side wall of one side of the horizontal through hole, and a pipeline of a hydrogen supply system pipeline can be clamped into the horizontal through hole through the opening; the pipe clamp rubber pad on the opening side is provided with a vertical through hole, the upper fixing plate is arranged at the top of the pipe clamp rubber pad, the lower fixing plate is arranged at the bottom of the pipe clamp rubber pad, and the bolt sequentially penetrates through the through hole in the upper fixing plate, the vertical through hole and the through hole in the lower fixing plate and then locks a pipeline of a hydrogen supply system pipeline in the horizontal through hole.
Further, in the gas cylinder fixing device in the vehicle-mounted hydrogen storage system, the pipe clamp rubber gasket is of a cuboid structure, upper folded edges bent downwards are arranged on two opposite side edges of the upper fixing plate, and lower folded edges bent upwards are arranged on two opposite side edges of the lower fixing plate.
Further, in the gas cylinder fixing device in the vehicle-mounted hydrogen storage system, a gap H between the upper and lower openings is 1 mm to 2 mm.
The utility model has the advantages that: the hoop with the rubber gasket is matched with the pair of axial fixing assemblies for use, so that the axial vibration of the gas cylinder is greatly reduced, the problems of abrasion and breakage of the rubber gasket on the hoop are greatly relieved, and the maintenance cost is reduced; the structural arrangement of the fixing clamp reduces the complexity of the use and the assembly of the fixing clamp, greatly facilitates the operation of a user and effectively improves the working efficiency; in addition, the upper folding edge and the lower folding edge are arranged to effectively prevent the upper fixing plate and the lower fixing plate from rotating in the installation process, so that the installation and the positioning are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a gas cylinder fixing device in a vehicle-mounted hydrogen storage system according to the present invention.
Fig. 2 is a schematic sectional structure view of fig. 1.
Fig. 3 is a schematic structural view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of a portion B in fig. 2.
Fig. 5 is a schematic structural view of the supporting rubber pad and the supporting plate assembly in fig. 4.
Fig. 6 is a schematic view of the structure of the fixing clip of fig. 1.
Fig. 7 is a schematic diagram of the left-side view of fig. 6.
FIG. 8 is a cross-sectional structural view of the clamp gripping a pipe.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the gas cylinder fixing device in the vehicle-mounted hydrogen storage system according to the present embodiment includes: the fixed frame 1 and the gas cylinder 2 are fixed in the fixed frame 1 by the hoop 3 with the rubber pad 31, and the requirement can be met by arranging a pair of hoops 3 with the rubber pads 31. In the installation process of the actual fixed frame 1, considering the installation space of the hydrogen fuel cell vehicle, the volume of the fixed frame 1 and other factors, generally, the fixed frame 1 is installed behind the hydrogen fuel cell vehicle, the axis direction of the gas cylinder located in the fixed frame 1 is consistent with the driving direction of the hydrogen fuel cell vehicle, the axial vibration of the gas cylinder in the driving process of the fuel cell vehicle is very severe at the moment, in the embodiment, the fixed frames 1 located at two ends of the gas cylinder 2 are respectively provided with an axial fixing component 4, the gas cylinder 2 is axially limited by the two axial fixing components 4, the specific structure of the axial fixing component 4 is as shown in fig. 4 and 5, and the structure of the axial fixing component 4 is as follows: the fixing frame 1 is fixedly provided with a supporting plate assembly 5, and the supporting plate assembly 5 can be fastened on the fixing frame 1 through bolts and screws or can be fixed on the fixing frame 1 through other fixing modes. The supporting rubber pads 6 are arranged on the supporting plate component 5, and the supporting surfaces 60 of the supporting rubber pads 6 on the two axial fixing components 4 are respectively tightly attached to the spherical surfaces at the two ends of the gas cylinder 2, so that the axial vibration of the gas cylinder 2 is reduced, and the abrasion problem of the rubber pads 31 on the hoop 3 is greatly relieved. In order to make the supporting surface 60 of the supporting rubber pad 6 better attached to the spherical surface of the end of the gas cylinder 2, the supporting surface 60 of the supporting rubber pad 6 is configured as a concave spherical surface matched with the spherical surface of the end of the gas cylinder contacted with the supporting surface 60.
As shown in fig. 5, the supporting rubber pad 6 in the present embodiment is a T-shaped rubber pad composed of a supporting portion 61 and a connecting portion 62; an inverted T-shaped accommodating groove 51 matched with the T-shaped rubber gasket is arranged on the supporting plate assembly 5, the connecting part 62 of the supporting rubber gasket 6 is clamped and embedded in the T-shaped accommodating groove 51, the supporting part 61 of the supporting rubber gasket 6 extends out of the T-shaped accommodating groove 51, and the supporting surface 60 of the supporting rubber gasket 6 is positioned at the top of the supporting part 61 extending out of the T-shaped accommodating groove 51.
Example two
The difference between the present embodiment and the first embodiment is: a plurality of fixing clips 7 for fixing the hydrogen supply system pipeline 20 connected with the gas cylinder 2 are also arranged in the fixing frame 1. As shown in fig. 6, 7 and 8, the fixing clip 7 described in the present embodiment includes: an upper fixing plate 8, a pipe clamp rubber gasket 9, a lower fixing plate 10 and a bolt 11, wherein the fixing clamp 7 is used for fixing the lower fixing plate 10 on the fixing frame 1. A horizontal through hole 91 is formed in the pipe clamp rubber gasket 9, an opening 92 is formed in one side of the pipe clamp rubber gasket 9, the opening 92 horizontally penetrates through the side wall of one side of the horizontal through hole 91, a gap H between the upper portion and the lower portion of the opening 92 is 1-2 mm, and a pipeline 201 of the hydrogen supply system pipeline 20 can be clamped into the horizontal through hole 91 through the opening 92. The pipe clamp rubber gasket 9 located on the side of the opening 92 is provided with a vertical through hole, the upper fixing plate 8 is arranged at the top of the pipe clamp rubber gasket 9, the lower fixing plate 10 is arranged at the bottom of the pipe clamp rubber gasket 9, and the bolt 11 sequentially penetrates through the through hole in the upper fixing plate 8, the vertical through hole and the through hole in the lower fixing plate 10 and then locks the pipeline 201 of the hydrogen supply system pipeline in the horizontal through hole 91.
As shown in fig. 5, the pipe clamp rubber gasket 9 of the present embodiment has a rectangular parallelepiped structure, and upper bent edges 81 bent downward are provided on two opposite sides of the upper fixing plate 8, and lower bent edges 101 bent upward are provided on two opposite sides of the lower fixing plate 10.
The rest of the structure and the using mode are the same as those of the first embodiment, and are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any modifications or equivalent changes made in accordance with the technical spirit of the present invention are also within the scope of the present invention.
The utility model has the advantages that: firstly, the hoop 3 with the rubber gasket 31 is matched with the pair of axial fixing assemblies 4 for use, so that the axial vibration of the gas cylinder 2 is greatly reduced, the problems of abrasion and breakage of the rubber gasket 31 on the hoop 3 are greatly relieved, and the maintenance cost is reduced; the structural arrangement of the fixing clamp 7 reduces the complexity of the use and the assembly of the fixing clamp 7, greatly facilitates the operation of a user and effectively improves the working efficiency; in addition, the upper folding edge 81 and the lower folding edge 101 can effectively prevent the upper fixing plate 8 and the lower fixing plate 10 from rotating in the installation process, and installation and positioning are facilitated.
Claims (7)
1. A gas cylinder fixing device in an on-vehicle hydrogen storage system, comprising: the gas cylinder is horizontally fixed in the fixed frame through a hoop with a rubber gasket; the method is characterized in that: the fixed frames at two ends of the gas cylinder are respectively provided with an axial fixed component, and the structure of the axial fixed component is as follows: the fixed frame is fixedly provided with a supporting plate component, the supporting plate component is provided with supporting rubber pads, and the supporting surfaces of the supporting rubber pads on the two axial fixing components are respectively clung to the spherical surfaces at the two ends of the gas cylinder.
2. The gas cylinder fixing device in the vehicle-mounted hydrogen storage system according to claim 1, characterized in that: the supporting surface of the supporting rubber pad is a concave spherical surface matched with the spherical surface of the end part of the gas cylinder contacted with the supporting rubber pad.
3. A gas cylinder fixing device in an on-vehicle hydrogen storage system according to claim 1 or 2, characterized in that: the supporting rubber pad is a T-shaped rubber pad consisting of a supporting part and a connecting part; be provided with on supporting plate subassembly with T shape rubber pad assorted shape of falling T holds the groove, the connecting portion card of supporting rubber pad inlays in T shape holds the groove, and outside the supporting part of supporting rubber pad stretched out T shape and holds the groove, the holding surface of supporting rubber pad was located the supporting part top of stretching out outside the T shape holds the groove.
4. The gas cylinder fixing device in the vehicle-mounted hydrogen storage system according to claim 1, characterized in that: and a plurality of fixing clamps for fixing the hydrogen supply system pipeline connected with the gas cylinder are also arranged in the fixing frame.
5. The gas cylinder fixing device in the vehicle-mounted hydrogen storage system according to claim 4, wherein: the fixation clamp include: the upper fixing plate, the pipe clamp rubber pad, the lower fixing plate and the bolt are arranged on the upper fixing plate; a horizontal through hole is formed in the pipe clamp rubber gasket, an opening is formed in one side of the pipe clamp rubber gasket and horizontally penetrates through the side wall of one side of the horizontal through hole, and a pipeline of a hydrogen supply system pipeline can be clamped into the horizontal through hole through the opening; the pipe clamp rubber pad on the opening side is provided with a vertical through hole, the upper fixing plate is arranged at the top of the pipe clamp rubber pad, the lower fixing plate is arranged at the bottom of the pipe clamp rubber pad, and the bolt sequentially penetrates through the through hole in the upper fixing plate, the vertical through hole and the through hole in the lower fixing plate and then locks a pipeline of a hydrogen supply system pipeline in the horizontal through hole.
6. The gas cylinder fixing device in the vehicle-mounted hydrogen storage system according to claim 5, wherein: the pipe clamp rubber pad is of a cuboid structure, upper folding edges which are bent downwards are arranged on two opposite sides of the upper fixing plate, and lower folding edges which are bent upwards are arranged on two opposite sides of the lower fixing plate.
7. A gas cylinder fixing device in an on-vehicle hydrogen storage system according to claim 5 or 6, characterized in that: the clearance H between the upper part and the lower part of the opening is 1-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239622.8U CN209888668U (en) | 2019-02-26 | 2019-02-26 | Gas cylinder fixing device in vehicle-mounted hydrogen storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239622.8U CN209888668U (en) | 2019-02-26 | 2019-02-26 | Gas cylinder fixing device in vehicle-mounted hydrogen storage system |
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| CN209888668U true CN209888668U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920239622.8U Active CN209888668U (en) | 2019-02-26 | 2019-02-26 | Gas cylinder fixing device in vehicle-mounted hydrogen storage system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747440A (en) * | 2019-02-26 | 2019-05-14 | 上海华敬氢能科技有限公司 | A kind of gas-cylinder retaining assembly in vehicle-mounted hydrogen storage system |
| CN111422495A (en) * | 2020-03-13 | 2020-07-17 | 上海舜华新能源系统有限公司 | Gas cylinder installation limiting device |
-
2019
- 2019-02-26 CN CN201920239622.8U patent/CN209888668U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747440A (en) * | 2019-02-26 | 2019-05-14 | 上海华敬氢能科技有限公司 | A kind of gas-cylinder retaining assembly in vehicle-mounted hydrogen storage system |
| CN111422495A (en) * | 2020-03-13 | 2020-07-17 | 上海舜华新能源系统有限公司 | Gas cylinder installation limiting device |
| CN111422495B (en) * | 2020-03-13 | 2022-02-01 | 上海舜华新能源系统有限公司 | Gas cylinder installation limiting device |
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