CN112498100A - LNG vehicle-mounted gas cylinder frame - Google Patents
LNG vehicle-mounted gas cylinder frame Download PDFInfo
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- CN112498100A CN112498100A CN202011565084.5A CN202011565084A CN112498100A CN 112498100 A CN112498100 A CN 112498100A CN 202011565084 A CN202011565084 A CN 202011565084A CN 112498100 A CN112498100 A CN 112498100A
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- gas cylinder
- saddle
- mounted gas
- frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/063—Arrangement of tanks
- B60K15/067—Mounting of tanks
- B60K15/07—Mounting of tanks of gas tanks
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a LNG vehicle-mounted gas cylinder frame, relates to vehicle-mounted gas cylinder and supports apparatus technical field, including magnesium alloy frame main part, magnesium alloy frame main part includes two saddles that set up side by side, is provided with the brace rod side by side between the relative terminal surface of two saddles. The invention solves the problems that the aluminum alloy frame in the traditional technology has high manufacturing cost and the welding part is easy to crack; the aluminum alloy frame has poor shock absorption, and cannot protect the LNG vehicle-mounted gas cylinder; and the base has low rigidity, and the deformation phenomenon is easy to occur along with the supporting use of the gas cylinder, so that the stability of the supporting use of the gas cylinder is influenced.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted gas cylinder supporting tools, in particular to an LNG vehicle-mounted gas cylinder frame.
Background
In order to ensure the stability and the safety of the LNG vehicle-mounted gas cylinder, the national gas cylinder standardization technical committee has higher and higher limitation on the design pressure of the gas cylinder, and the value of the strength of the steel plate is more and more rigorous. Weight reduction from the cylinder body is increasingly difficult to achieve.
The natural gas vehicle dead weight is 1 ton more than the diesel vehicle, under "treating the more" background of tightening, the market competitiveness of natural gas vehicle descends, natural gas vehicle and diesel vehicle are engine and feed system to the biggest difference, from the aspect of the dead weight, the feed system dead weight difference is great, take the tractor as an example, 600L oil tank and 1000L's LNG gas cylinder do not add the liquid weight difference and be 576kg, the poor 446kg of liquid weight, in addition the weight of traditional LNG gas cylinder frame, make traditional LNG feed system weight very big, the competitiveness of natural gas vehicle has been reduced.
At present, the domestic common LNG vehicle-mounted gas cylinder frame comprises a carbon steel welding frame, a carbon steel stamping frame, an aluminum alloy welding frame and an aluminum alloy stamping frame. The carbon steel welding frame is gradually replaced by a carbon steel stamping frame and an aluminum alloy welding frame due to the large weight. The mainstream frames in the market at present are carbon steel stamping frames and aluminum alloy welding frames, and the aluminum alloy stamping frames are being implemented step by step.
The patent of a CN209719255U among the prior art discloses, this scheme is through left saddle assembly, right saddle assembly, go up tie-beam and tie-beam assembly constitution down, through canceling former LNG gas cylinder frame left and right side sill, the connection function of tie-beam and frame has been integrated to the saddle assembly, and left saddle assembly, right saddle assembly, go up tie-beam and tie-beam assembly constitution down and all adopt punching press panel, the part quantity has been reduced, it is poor to have solved LNG gas cylinder frame uniformity, the assembly precision hangs down the scheduling problem, the frame dead weight has been reduced by a wide margin, the competitiveness of natural gas vehicle has been promoted.
The mode gradually exposes the defects of the technology along with the production and the use, and mainly shows the following aspects:
firstly, the cost of the aluminum alloy frame is higher than that of the carbon steel stamping frame, and meanwhile, the welding part of the aluminum alloy material of the aluminum alloy frame is easy to crack and crack.
Secondly, when the vehicle runs on a relatively bumpy road surface, the shock absorption of the aluminum alloy frame is poor, and the protection effect on the LNG vehicle-mounted gas cylinder cannot be achieved.
Thirdly, the base rigidity of the device is low, along with the supporting use to the gas cylinder, the phenomenon of easy deformation appears, influences the stability that the gas cylinder supported the use.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an LNG vehicle-mounted gas cylinder frame, which is used for solving the problems that the manufacturing cost of an aluminum alloy frame in the traditional technology is high and a welding part is easy to crack; the aluminum alloy frame has poor shock absorption, and cannot protect the LNG vehicle-mounted gas cylinder; and the base has low rigidity, and the deformation phenomenon is easy to occur along with the supporting use of the gas cylinder, so that the stability of the supporting use of the gas cylinder is influenced.
In order to achieve the purpose, the invention provides the following technical scheme:
the LNG vehicle-mounted gas cylinder frame comprises a magnesium alloy frame main body, wherein the magnesium alloy frame main body comprises two saddles arranged in parallel, and supporting ribs are arranged between the two opposite end faces of the saddles in parallel.
As an optimized scheme, the supporting ribs are vertically arranged and are integrally formed with the saddle.
As an optimized scheme, two frame connecting seats are arranged on each saddle in parallel.
As an optimized scheme, fixing holes for fixing the frame connecting seat are further formed in the side supporting plates in parallel, and the fixing holes penetrate through the corresponding supporting ribs.
As an optimized solution, the saddle is also provided with reinforcing ribs following the contour of the saddle.
Preferably, the part of the inner end surface of the saddle opposite to the reinforcing rib is arranged in a concave manner, and the part of the outer end surface of the saddle opposite to the reinforcing rib is arranged in a convex manner.
As an optimized scheme, pipeline holes are formed in the saddle in parallel, a pipeline fixing frame is arranged on the outer end face, below the pipeline holes, of the saddle, and the pipeline fixing frame and the saddle are integrally formed.
As an optimized scheme, the pipeline fixing frame comprises a bottom plate, and two sides of the bottom plate are fixedly connected with reinforcing plates extending upwards.
As an optimized scheme, a hoisting hole is further formed between the opposite end parts of the two saddles.
As an optimized scheme, two end parts of the saddle close to the upper part are fixedly connected with an integrally formed fastening belt connecting seat respectively, and the fastening belt connecting seats are located on the outer wall of the saddle.
Compared with the prior art, the invention has the beneficial effects that:
the magnesium alloy frame main body is integrally formed, so that the integral rigidity and strength are improved, and the problems of cracking caused by welding or loosening of parts caused by detachable assembly in the prior art can be effectively solved;
the magnesium alloy material frame adopts a die-casting process of magnesium alloy, so that the weight of the frame can be lower than that of an aluminum alloy stamping frame;
the shock absorption coefficient of the cast iron is 10-17, the aluminum alloy is 2-5, and the magnesium alloy is 30-60, so that the shock absorption performance of the magnesium alloy is more than 10 times that of the aluminum alloy under the same load;
the magnesium alloy has higher damping property and shock absorption property, so that the LNG vehicle-mounted gas cylinder can be better protected;
by arranging the supporting ribs and the reinforcing ribs, the rigidity and the strength of the saddle can be greatly improved, and the problem of deformation caused by long-term stress is effectively solved;
g/cm of aluminum alloy3Has a density of 2.70, g/cm of carbon steel3Has a density of 7.85 and g/cm of the magnesium alloy3The density of the magnesium alloy is 1.81, the density of the magnesium alloy is 33 percent less than that of the alloy and 77 percent less than that of steel, and the magnesium alloy is the basis for realizing the light weight of products such as automobiles and the like;
the specific strength of the aluminum alloy is 116, that of the carbon steel is 108, and that of the magnesium alloy is 138; under the same condition, the strength is 22 higher than that of aluminum alloy and 30 higher than that of carbon steel material;
the weight of the LNG vehicle-mounted gas cylinder can be reduced by 60Kg compared with that of a carbon steel stamping frame, and the failure rate of the LNG vehicle-mounted gas cylinder and the frame can be reduced; simple structure, convenient to use is applicable to large-scale manufacturing and installation.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a reinforcing rib according to the present invention;
FIG. 3 is a schematic structural view of a support rib according to the present invention;
in the figure: 1-a saddle seat; 2-supporting ribs; 3-a frame connecting seat; 4-fixing holes; 5-fastening the belt connecting seat; 6-hoisting holes; 7-upper side connection plate; 8-a lower side connection plate; 9-reinforcing ribs; 10-a pipe hole; 11-a base plate; 12-rib plate.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 3, the LNG vehicle-mounted gas cylinder frame comprises a magnesium alloy frame main body, wherein the magnesium alloy frame main body comprises two saddles 1 arranged in parallel, and support ribs 2 are arranged between the opposite end surfaces of the two saddles 1 in parallel.
The support ribs 2 are vertically arranged and are integrally formed with the saddles 1, wherein 6 support ribs 2 are arranged on each saddle 1 in parallel;
two frame connecting seats 3 are also arranged on each saddle 1 in parallel.
The frame connecting base 3 is also provided with a hole body for connecting with the frame.
The side supporting plates are also provided with fixing holes 4 used for fixing the frame connecting seat 3 in parallel, and the fixing holes 4 penetrate through the two supporting ribs 2 at the two ends, so that the stability of the rigidity strength when the side supporting plates are connected with the frame connecting seat 3 is improved;
the saddle 1 is also provided with reinforcing ribs 9 following the contour of the saddle 1.
The inner end surface of the saddle 1 and the part opposite to the reinforcing rib 9 are arranged in a concave manner, and the outer end surface of the saddle 1 and the part opposite to the reinforcing rib 9 are arranged in a convex manner, so that the rigidity strength of the saddle 1 can be greatly improved.
The saddle 1 is also provided with pipeline holes 10 in parallel, the outer end face of the saddle 1 below the pipeline holes 10 is provided with a pipeline fixing frame, and the pipeline fixing frame and the saddle 1 are integrally formed.
The pipeline fixing frame comprises a bottom plate 11, and two sides of the bottom plate 11 are fixedly connected with rib plates 12 extending upwards, so that the deformation and assembly points are reduced;
and hoisting holes 6 are also arranged between the opposite end parts of the two saddles 1, so that the saddles are integrally stressed and are uniformly stressed, and hoisting is facilitated.
Two end parts of the saddle 1 close to the upper part are respectively fixedly connected with an integrally formed fastening belt connecting seat 5, and the fastening belt connecting seats 5 are positioned on the outer wall of the saddle 1;
the fastening belt connecting seat 5 is provided with hole bodies in parallel along the vertical direction, the tightening stress direction of the fastening belt connecting seat can be the same as that of the fixing belt, and the stability of fixing the gas cylinder is further improved;
two upper side connecting plates 7 and two lower side connecting plates 8 are fixedly connected between the two saddles 1, and the two upper side connecting plates 7 are respectively connected between the opposite upper end parts of the two saddles 1 and are fastened by bolts;
two lower connecting plates 8 are connected between the opposite lower ends of the two saddles 1, respectively, and are fastened with bolts.
Other structures related to the gas cylinder frame are common in daily life, and are not innovative in the scheme, so that repeated description is omitted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides a vehicle-mounted gas cylinder frame of LNG which characterized in that: the magnesium alloy frame comprises a magnesium alloy frame main body, wherein the magnesium alloy frame main body comprises two saddles (1) which are arranged in parallel, and supporting ribs (2) are arranged between the opposite end surfaces of the two saddles (1) in parallel.
2. An LNG vehicle-mounted gas cylinder frame according to claim 1, characterized in that: the support ribs (2) are vertically arranged and are integrally formed with the saddle (1).
3. An LNG vehicle-mounted gas cylinder frame according to claim 1, characterized in that: and two frame connecting seats (3) are also arranged on each saddle (1) in parallel.
4. An LNG vehicle-mounted gas cylinder frame according to claim 3, characterized in that: the side supporting plates are also provided with fixing holes (4) used for fixing the frame connecting seats (3) in parallel, and the fixing holes (4) penetrate through the corresponding supporting ribs (2).
5. An LNG vehicle-mounted gas cylinder frame according to claim 1, characterized in that: the saddle (1) is also provided with a reinforcing rib (9) along the contour of the saddle (1).
6. An LNG vehicle-mounted gas cylinder frame according to claim 5, characterized in that: the inner end surface of the saddle (1) and the part opposite to the reinforcing rib (9) are arranged in a concave manner, and the outer end surface of the saddle (1) and the part opposite to the reinforcing rib (9) are arranged in a convex manner.
7. An LNG vehicle-mounted gas cylinder frame according to claim 1, characterized in that: the pipeline connecting device is characterized in that pipeline holes (10) are formed in the saddle (1) in parallel, a pipeline fixing frame is arranged on the outer end face, located below the pipeline holes (10), of the saddle (1), and the pipeline fixing frame and the saddle (1) are integrally formed.
8. An LNG vehicle-mounted gas cylinder frame according to claim 7, characterized in that: the pipeline fixing frame comprises a bottom plate (11), and reinforcing plates (12) extending upwards are further fixedly connected to two sides of the bottom plate (11).
9. An LNG vehicle-mounted gas cylinder frame according to claim 1, characterized in that: and a hoisting hole (6) is also arranged between the opposite end parts of the two saddles (1).
10. An LNG vehicle-mounted gas cylinder frame according to claim 1, characterized in that: two end parts of the saddle (1) close to the upper part are fixedly connected with an integrally formed fastening belt connecting seat (5) respectively, and the fastening belt connecting seat (5) is positioned on the outer wall of the saddle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011565084.5A CN112498100A (en) | 2020-12-25 | 2020-12-25 | LNG vehicle-mounted gas cylinder frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011565084.5A CN112498100A (en) | 2020-12-25 | 2020-12-25 | LNG vehicle-mounted gas cylinder frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112498100A true CN112498100A (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011565084.5A Pending CN112498100A (en) | 2020-12-25 | 2020-12-25 | LNG vehicle-mounted gas cylinder frame |
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| CN (1) | CN112498100A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013270A (en) * | 2021-11-15 | 2022-02-08 | 重庆仟和镁业科技有限公司 | Lightweight magnesium alloy gas cylinder frame |
| CN115106722A (en) * | 2021-03-17 | 2022-09-27 | 山东联盟特种装备有限公司 | LNG vehicle-mounted gas cylinder frame machining method |
-
2020
- 2020-12-25 CN CN202011565084.5A patent/CN112498100A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106722A (en) * | 2021-03-17 | 2022-09-27 | 山东联盟特种装备有限公司 | LNG vehicle-mounted gas cylinder frame machining method |
| CN114013270A (en) * | 2021-11-15 | 2022-02-08 | 重庆仟和镁业科技有限公司 | Lightweight magnesium alloy gas cylinder frame |
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