CN103552464B - A kind of CNG storage tank installation structure and engineering machinery - Google Patents
A kind of CNG storage tank installation structure and engineering machinery Download PDFInfo
- Publication number
- CN103552464B CN103552464B CN201310567023.6A CN201310567023A CN103552464B CN 103552464 B CN103552464 B CN 103552464B CN 201310567023 A CN201310567023 A CN 201310567023A CN 103552464 B CN103552464 B CN 103552464B
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- CN
- China
- Prior art keywords
- air accumulator
- vehicle frame
- storage tank
- lower vehicle
- relief valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003860 storage Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000000446 fuel Substances 0.000 description 9
- 239000003345 natural gas Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of CNG storage tank installation structure and engineering machinery, belong to Mechanical course field, it is adaptable to engineering machinery, engineering machinery includes upper frame, lower vehicle frame and center-rotary joint 5.Upper frame is rotatable by center-rotary joint 5 and lower vehicle frame is connected.Lower vehicle frame is provided with cavity.CNG storage tank installation structure includes air accumulator 1, air relief valve 4, gas passage 6 and electromotor 7.Air accumulator 1 is connected with air relief valve 4, and air relief valve 4 is communicated with electromotor 7 by gas passage 6.Air accumulator 1 and air relief valve 4 are located in the cavity of lower vehicle frame, and gas passage 6 is located in center-rotary joint 5, and electromotor 7 is located in upper frame.Technical scheme, by arranging air accumulator in the cavity of lower vehicle frame, fully utilizes the idle space of engineering machinery, improves complete machine integrated level.
Description
Technical field
The invention belongs to plant equipment and manufacture field, relate to a kind of mounting structure, particularly relate to a kind of CNG
Storage tank installation structure and engineering machinery.
Background technology
The progressively attention utilized clean energy resource along with people, uses compressed natural gas (Compressed
Natural Gas, CNG) more and more as the place of fuel.At present city bus, long-distance transport visitor
The existing ripe application of car, heavy truck, has had started to essence operational phase in part engineering machinery.
CNG advantage compared with conventional fuel is: 1, and fuel cost, cost of transportation are low；2, safety is high,
The autoignition temperature of natural gas relatively gasoline, diesel oil are high, and natural gas relative atmospheric proportion is only 0.6～0.7, once
Reveal, can spread the most rapidly, be difficult to assemble out of doors reach explosion limit.Natural gas right and wrong simultaneously
Material carcinogenic, nontoxic, non-corrosive；3, gas fuel anti-knock properties are good, as fuel without additive；
4, CNG engineering machinery have the feature of environmental protection well, reduce CO, CH compound, NO compound in a large number,
CO2, SO2 etc. discharge, and noise is low simultaneously, and granule dust is few；5, natural gas engine maintenance cycle is long.
Engineering machine vehicle compact conformation, uses bad environments, and fuel consumption is big, is using CNG as combustion
When material uses, fuel reservoir takes up room greatly, is difficult to protection.
Meanwhile, upper and lower vehicle frame is had to relatively rotate the engineering machinery of function, such as excavator, stake machine, rotation in part
Digging the equipment such as brill, under its main frame, vehicle frame is by plurality of steel plates assembly welding together, forms bigger cavity, therebetween except
Outside hydralic hose used by logical running motor, substantially empty.
Summary of the invention
In view of this, the present invention, by arranging air accumulator in the cavity of lower vehicle frame, fully utilizes engineering machine
The idle space of tool, improves complete machine integrated level.
For reaching above-mentioned purpose, concrete technical scheme is as follows:
On the one hand, it is provided that a kind of CNG storage tank installation structure, it is adaptable to engineering machinery, described engineering machinery
Including upper frame, lower vehicle frame and center-rotary joint, described upper frame is rotatable by center-rotary joint
Being connected with described lower vehicle frame, be provided with cavity in described lower vehicle frame, described CNG storage tank installation structure includes storage
Gas tank, air relief valve, gas passage and electromotor, described air accumulator is connected with described air relief valve, described decompression
Valve is communicated with described electromotor by described gas passage, and described lower vehicle frame is located at by described air accumulator and air relief valve
Cavity in, described gas passage is located in described center-rotary joint, described electromotor be located at described in get on the bus
On frame.
Preferably, also including 2/2-way valve, described air accumulator is by described 2/2-way valve and described decompression
Valve is connected.
Preferably, also including the first check valve, described 2/2-way valve passes through described first check valve with described
Air relief valve is connected.
Preferably, the outlet pipe of described air accumulator is additionally provided with relief valve.
Preferably, the input duct of described air accumulator is also associated with inlet.
Preferably, described inlet is located at the afterbody of described lower vehicle frame.
Preferably, described inlet is additionally provided with protective plate.
Preferably, being additionally provided with the second check valve between described inlet and air accumulator, described inlet passes through institute
State the second check valve to be connected with described air accumulator.
Preferably, the quantity of described air accumulator is 4, and described 4 air accumulators are distributed in described lower vehicle frame
In four structural cavities.
On the other hand, it is provided that a kind of engineering machinery, including CNG storage tank installation structure described above.
Relative to prior art, the advantage of technical scheme has:
1, the idle space of multiple-purpose project machinery, improves complete machine integrated level.
2, the degree of protection of CNG air accumulator is improved.
3, complete machine upper frame part can be reduced when turning round, needed for the steering resistance that overcomes, improve Energy harvesting
Rate.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.At accompanying drawing
In:
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the top view of the lower vehicle frame of the embodiment of the present invention；
Fig. 3 is the backsight structural representation of the lower vehicle frame of the embodiment of the present invention.
Wherein, 1 it is air accumulator, 2 is 2/2-way valve, 3 is the first check valve, 4 is air relief valve, 5 is
Center-rotary joint, 6 for gas passage, 7 for electromotor, 8 for filling opening, 9 be the second check valve, 10
For protective plate, 11 be upper cover plate, 12 be lower cover, 13 for relief valve.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment
Can be mutually combined.
Below with reference to accompanying drawing, embodiments of the invention are done concrete explaination.
A kind of CNG storage tank installation structure of embodiments of the invention as shown in Figure 1, it is adaptable to engineering
Machinery, engineering machinery includes upper frame, lower vehicle frame and center-rotary joint 5.Upper frame is turned round by central authorities
Joint 5 is rotatable and lower vehicle frame is connected.Frame space structure of getting off forms four structural cavities.
CNG storage tank installation structure includes air accumulator 1, air relief valve 4, gas passage 6 and electromotor 7.Storage
Gas tank 1 is connected with air relief valve 4, and air relief valve 4 is communicated with electromotor 7 by gas passage 6.Air accumulator 1
With in the cavity that lower vehicle frame is located at by air relief valve 4, gas passage 6 is located in center-rotary joint 5, electromotor
7 are located in upper frame.
Embodiments of the invention, by arranging air accumulator in the cavity of lower vehicle frame, fully utilize engineering machinery
Idle space, improve complete machine integrated level.
As shown in figs. 1 and 2, in an embodiment of the present invention, at the center-rotary joint 5 of engineering machinery
The passage of upper newly-increased compressed gas, it is achieved the function of the compressed gas that circulates between upper and lower vehicle frame.4 air accumulators 1
Dispersion is arranged in multiple cavitys of lower vehicle frame, and gas tank assembly is drawn compression gas pipe and connect 2/2-way valve 2 successively,
First check valve 3, air relief valve 4, then deliver to electromotor 7 by the gas passage 6 in center-rotary joint 5.
Above-mentioned 2/2-way valve 2, the first check valve 3, air relief valve 4 is arranged in the cylinder below center-rotary joint 5
In.
If Fig. 2 is to as shown in 3, at the rear of lower vehicle frame, the side that i.e. complete machine hoofing part motor is installed,
Between upper and lower cover plates 11 and 12, the protective plate 10 of welding CNG filling opening 8, the sky surrounded betwixt
Intracavity, install CNG filling opening 8, install herein filling opening 8 can reduce overall engineering machine advance in
The probability of the bar contact such as earth.Filling opening 8 connects the second check valve 9, then 4 CNG storage in parallel
Gas tank 1.
When upper and lower cover plates 11,12 is with each riser assembly welding, both these four air accumulators 1 were placed on each plate institute
In four cavitys formed, after welding, air accumulator 1 is permanently emplaced in inner space, reserves Bottleneck valve and pipe
Road, towards cylinder circumferential opening, is conveniently overhauled and links pipeline.
4 air accumulator 1 export pipeline buses arrange branch line relief valve 13, relief valve 13 are installed
Another terminates ambient atmosphere.
In an embodiment of the present invention, the circulation style of CNG is: supplemented for air accumulator 1 by filling opening 8
Fuel C NG.When using CNG to transfer to electromotor 7 as fuel, open 2/2-way valve 2.Room temperature
High pressure CNG, under the effect of pressure of the inside of a bottle, flows to 2/2-way valve 2, the second check valve 3, decompression successively
Valve 4, by high pressure CNG(about 20MPa) reduce pressure into pressure relatively low CNG(about 1.3MPa), will be with
Certain pressure CNG passes through center-rotary joint 5, delivers in electromotor 7.
The operating pressure of four air accumulators 1 is about 20MPa, when causing internal pressure to raise due to fortuitous event,
As pressure reaches about 23MPa, relief valve 13 is opened, and reduces internal system pressure, and effectively protection is whole
The safety of system.
Additionally, in an embodiment of the present invention, preferably can by air accumulator 1 according to the bulk of lower vehicle frame,
The shape that special one-tenth matches, to strengthen the capacity of air accumulator storage CNG；
CNG aerating pipeline in air accumulator 1 and CNG outlet pipe are provided separately；
Increase the residue gas quantitative transducer of each air accumulator 1, transmit signal by center-rotary joint 5, driving
Sail and room is understood existing CNG storage in real time；
Filling opening 8 arranges overcurrent protection pile-up valve, protects follow-up system pipeline；
Series connection high-low pressure multistage filter in gas circuit；
Air accumulator 1 is installed when complete machine assembles, and cuts out suitable space at lower vehicle frame upper cover plate 11, facilitates liquid storage
The installation of tank 1, dismantle and overhaul.Cut open top, hole with cut open the plate protection that hole matches, with bolt
Link fixing.
Embodiments of the invention also include a kind of engineering machinery, is provided with CNG storage tank described above and knot is installed
Structure.Owing to above-mentioned CNG storage tank installation structure has above-mentioned technique effect, therefore, it is provided with this CNG storage tank
The engineering machinery of mounting structure also should possess corresponding technique effect, its specific implementation process and above-described embodiment
Similar, do not repeat.
Above the specific embodiment of the present invention is described in detail, but it has been intended only as example, the present invention
It is not restricted to particular embodiments described above.To those skilled in the art, any to the present invention
The equivalent modifications carried out and replacement are the most all among scope of the invention.Therefore, in the essence without departing from the present invention
The impartial conversion made under god and scope and amendment, all should contain within the scope of the invention.
Claims (6)
1. a CNG storage tank installation structure, it is adaptable to engineering machinery, described engineering machinery bag
Including upper frame, lower vehicle frame and center-rotary joint (5), described upper frame is connect by central authorities' revolution
Head (5) rotatable and described lower vehicle frame is connected, and is provided with cavity in described lower vehicle frame, and it is special
Levying and be, described CNG storage tank installation structure includes air accumulator (1), air relief valve (4), gas
Body passage (6) and electromotor (7), described air accumulator (1) and described air relief valve (4) phase
Even, described air relief valve (4) is by described gas passage (6) and described electromotor (7) phase
Logical, described air accumulator (1) and air relief valve (4) are located in the cavity of described lower vehicle frame, described
Gas passage (6) is located in described center-rotary joint (5), and described electromotor (7) sets
In described upper frame, the outlet pipe of described air accumulator (1) is additionally provided with relief valve (13)；
The input duct of described air accumulator (1) is also associated with filling opening (8)；Described filling opening (8)
It is located at the afterbody of described lower vehicle frame；Protective plate (10) it is additionally provided with on described filling opening (8).
2. CNG storage tank installation structure as claimed in claim 1, it is characterised in that also wrap
Including 2/2-way valve (2), described air accumulator (1) passes through described 2/2-way valve (2) and institute
State air relief valve (4) to be connected.
3. CNG storage tank installation structure as claimed in claim 2, it is characterised in that also wrap
Including the first check valve (3), described 2/2-way valve (2) passes through described first check valve (3)
It is connected with described air relief valve (4).
4. CNG storage tank installation structure as claimed in claim 1, it is characterised in that described
The second check valve (9), described filling opening it is additionally provided with between filling opening (8) and air accumulator (1)
(8) it is connected with described air accumulator (1) by described second check valve (9).
5. CNG storage tank installation structure as claimed in claim 4, it is characterised in that described
The quantity of air accumulator (1) is 4, and described 4 air accumulators (1) are distributed in described lower vehicle frame
Four structural cavities in.
6. an engineering machinery, it is characterised in that include such as any one of claim 1 to 5
Described CNG storage tank installation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567023.6A CN103552464B (en) | 2013-11-14 | 2013-11-14 | A kind of CNG storage tank installation structure and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567023.6A CN103552464B (en) | 2013-11-14 | 2013-11-14 | A kind of CNG storage tank installation structure and engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103552464A CN103552464A (en) | 2014-02-05 |
| CN103552464B true CN103552464B (en) | 2016-10-12 |
Family
ID=50006894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310567023.6A Expired - Fee Related CN103552464B (en) | 2013-11-14 | 2013-11-14 | A kind of CNG storage tank installation structure and engineering machinery |
Country Status (1)
| Country | Link |
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| CN (1) | CN103552464B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6367573B1 (en) * | 1999-09-20 | 2002-04-09 | Fab Industries, Llc | Cylinder mount for fuel system |
| CN101864784A (en) * | 2009-04-14 | 2010-10-20 | 利勃海尔液压挖掘机有限公司 | Excavator |
| CN102235274A (en) * | 2010-04-27 | 2011-11-09 | 潍柴动力股份有限公司 | Liquefied fuel power system and method for operating same |
| CN102381185A (en) * | 2011-08-30 | 2012-03-21 | 奇瑞汽车股份有限公司 | Novel CNG (compressed natural gas) steel cylinder fixing support |
| CN202507920U (en) * | 2012-03-10 | 2012-10-31 | 安徽安凯汽车股份有限公司 | Gas cylinder bin of compressed natural gas (CNG) large bus gas system |
| CN102922990A (en) * | 2012-10-29 | 2013-02-13 | 长城汽车股份有限公司 | Cylinder mounting support and motor vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059944A (en) * | 2010-12-20 | 2011-05-18 | 穆太力普努尔麦麦提 | self-replenishing pneumatic vehicle |
-
2013
- 2013-11-14 CN CN201310567023.6A patent/CN103552464B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6367573B1 (en) * | 1999-09-20 | 2002-04-09 | Fab Industries, Llc | Cylinder mount for fuel system |
| CN101864784A (en) * | 2009-04-14 | 2010-10-20 | 利勃海尔液压挖掘机有限公司 | Excavator |
| CN102235274A (en) * | 2010-04-27 | 2011-11-09 | 潍柴动力股份有限公司 | Liquefied fuel power system and method for operating same |
| CN102381185A (en) * | 2011-08-30 | 2012-03-21 | 奇瑞汽车股份有限公司 | Novel CNG (compressed natural gas) steel cylinder fixing support |
| CN202507920U (en) * | 2012-03-10 | 2012-10-31 | 安徽安凯汽车股份有限公司 | Gas cylinder bin of compressed natural gas (CNG) large bus gas system |
| CN102922990A (en) * | 2012-10-29 | 2013-02-13 | 长城汽车股份有限公司 | Cylinder mounting support and motor vehicle |
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| Publication number | Publication date |
|---|---|
| CN103552464A (en) | 2014-02-05 |
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Granted publication date: 20161012 Termination date: 20171114 |