CN103552464A - CNG storage tank installation structure and engineering machinery - Google Patents
CNG storage tank installation structure and engineering machinery Download PDFInfo
- Publication number
- CN103552464A CN103552464A CN201310567023.6A CN201310567023A CN103552464A CN 103552464 A CN103552464 A CN 103552464A CN 201310567023 A CN201310567023 A CN 201310567023A CN 103552464 A CN103552464 A CN 103552464A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- cng
- vehicle frame
- mounting structure
- reducing 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.)
- Granted
Links
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the field of mechanical control, and discloses a CNG (compressed natural gas) storage tank installation structure and engineering machinery. The CNG storage tank installation structure is suitable for the engineering machinery; the engineering machinery comprises an upper frame, a lower frame and a central swivel joint 5, wherein the upper frame is rotatably connected with the lower frame through the central swivel joint 5; a cavity is formed in the lower frame; the CNG storage tank installation structure comprises gas storage tanks 1, a pressure reducing valve 4, a gas passage 6 and an engine 7, wherein the gas storage tanks 1 are connected with the pressure reducing valve 4; the pressure reducing valve 4 is communicated with the engine 7 through the gas passage 6; the gas storage tanks 1 and the pressure reducing valve 4 are arranged in the cavity of the lower frame; the gas passage 6 is arranged in the central swivel joint 5; the engine 7 is arranged on the upper frame. According to the technical scheme provided by the invention, since the gas storage tanks are arranged in the cavity of the lower frame, the idle space of the engineering machinery is comprehensively utilized, and the integration level of the whole machine is improved.
Description
Technical field
The invention belongs to mechanical equipment and manufacture field, relate to a kind of mounting structure, relate in particular to a kind of CNG storage tank mounting structure and construction machinery and equipment.
Background technology
Along with the progressively attention that people utilize clean energy resource, use compression natural gas (Compressed Natural Gas, CNG) more and more as the place of fuel.In city bus, long-distance transport passenger vehicle, the existing ripe application of heavy duty truck, on part construction machinery and equipment, started essence operational phase at present.
CNG compares advantage with conventional fuel and is: 1, and fuel cost, traffic cost are low; 2, safe, the spontaneous combustion temperature of natural fuels is high compared with gasoline, diesel oil, and the relative air specific weight of natural fuels is only 0.6～0.7, once reveal, can diffusion rapidly in air, be difficult for assembling and reaching explosive limits out of doors.Natural fuels is non-carcinogenic, nontoxic, non-corrosive material simultaneously; 3, gas fuel antiknock performance is good, as fuel without additive; 4, CNG construction machinery and equipment has the feature of environmental protection well, reduces in a large number CO, CH compound, NO compound, the discharges such as CO2, SO2, and noise is low simultaneously, and granule dust is few; 5, natural gas engine maintenance cycle is long.
Engineering machine vehicle compact conformation, environment for use is severe, and consumption of fuel is large, and when using CNG to use as fuel, fuel reservoir takes up room greatly, is difficult for protection.
Meanwhile, in part, there is upper and lower vehicle frame to relatively rotate the construction machinery and equipment of function, as excavating machine, stake machine, revolve equipment such as digging brill, under its main frame, vehicle frame by plurality of steel plates assembly welding together, form larger cavity, except logical running motor hydralic hose used, substantially vacant therebetween.
Summary of the invention
In view of this, the present invention is by the cavity of lower vehicle frame, storage tank being set, comprehensive application the idle space of construction machinery and equipment, improved complete machine integrated level.
For achieving the above object, concrete technical scheme is as follows:
On the one hand, a kind of CNG storage tank mounting structure is provided, be applicable to construction machinery and equipment, described construction machinery and equipment comprises vehicle frame, lower vehicle frame and center-rotary joint, described upper vehicle frame is connected by the rotatable and described lower vehicle frame of center-rotary joint, in described lower vehicle frame, be provided with cavity, described CNG storage tank mounting structure comprises storage tank, reducing valve, gas passage and driving engine, described storage tank is connected with described reducing valve, described reducing valve communicates with described driving engine by described gas passage, described storage tank and reducing valve are located in the cavity of described lower vehicle frame, described gas passage is located in described center-rotary joint, described driving engine is located on described upper vehicle frame.
Preferably, also comprise 2/2-way valve, described storage tank is connected with described reducing valve by described 2/2-way valve.
Preferably, also comprise the first check valve, described 2/2-way valve is connected with described reducing valve by described the first check valve.
Preferably, on the outlet pipe of described storage tank, be also provided with safety valve.
Preferably, the input duct of described storage tank is also connected with inlet.
Preferably, described inlet is located at the afterbody of described lower vehicle frame.
Preferably, on described inlet, be also provided with guar plate.
Preferably, be also provided with the second check valve between described inlet and storage tank, described inlet is connected with described storage tank by described the second check valve.
Preferably, the quantity of described storage tank is 4, and described 4 storage tanks are distributed in four structural cavities of described lower vehicle frame.
On the other hand, provide a kind of construction machinery and equipment, comprise CNG storage tank mounting structure described above.
With respect to prior art, the advantage of technical scheme of the present invention has:
1, the idle space of multiple purpose project machinery, improves complete machine integrated level.
2, improve the degree of protection of CNG storage tank.
3, can reduce complete machine upper frame part when turning round, the required steering resistance overcoming, improves capacity usage ratio.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the birds-eye 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 is that storage tank, 2 is that 2/2-way valve, 3 is that the first check valve, 4 is that reducing valve, 5 is that center-rotary joint, 6 is that gas passage, 7 is that driving engine, 8 is that filling opening, 9 is that the second check valve, 10 is that guar plate, 11 is that upper cover plate, 12 is that lower cover, 13 is safety valve.
The specific embodiment
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 clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the present invention can combine mutually.
Below with reference to accompanying drawing, embodiments of the invention are done to concrete explaination.
A kind of CNG storage tank mounting structure of embodiments of the invention, is applicable to construction machinery and equipment as shown in Figure 1, and construction machinery and equipment comprises vehicle frame, lower vehicle frame and center-rotary joint 5.By center-rotary joint 5, rotatable and lower vehicle frame is connected upper vehicle frame.The frame space structure of getting off forms four structural cavities.
CNG storage tank mounting structure comprises storage tank 1, reducing valve 4, gas passage 6 and driving engine 7.Storage tank 1 is connected with reducing valve 4, and reducing valve 4 communicates with driving engine 7 by gas passage 6.Storage tank 1 and reducing valve 4 are located in the cavity of lower vehicle frame, and gas passage 6 is located in center-rotary joint 5, and driving engine 7 is located on vehicle frame.
Embodiments of the invention are by the cavity of lower vehicle frame, storage tank being set, comprehensive application the idle space of construction machinery and equipment, improved complete machine integrated level.
As shown in figs. 1 and 2, in an embodiment of the present invention, the passage of newly-increased compressed gas on the center-rotary joint 5 of construction machinery and equipment, realizes the function at the compressed gas that circulates between vehicle frame up and down.4 storage tanks 1 disperse to be arranged in a plurality of cavitys of lower vehicle frame, and gas tank assembly is drawn compression gas pipe and connect successively 2/2-way valve 2, the first check valves 3, reducing valve 4, then deliver to driving engine 7 by the gas passage 6 in center-rotary joint 5.Above-mentioned 2/2-way valve 2, the first check valves 3, reducing valve 4 is arranged in the cylindrical shell of center-rotary joint 5 belows.
As shown in Fig. 2 to 3, rear at lower vehicle frame, it is the side that complete machine walking CD-ROM drive motor is installed, between upper and lower cover plates 11 and 12, the guar plate 10 of welding CNG filling opening 8, in the cavity that surrounded betwixt, CNG filling opening 8 is installed, filling opening 8 is installed herein and can be reduced the probability that overall engineering machine contacts with the obstacle such as earth in advancing.Filling opening 8 connects the second check valve 9, then 4 CNG storage tanks 1 in parallel.
When upper and lower cover plates 11,12 and each riser assembly welding, both these four storage tanks 1 were placed in formed four cavitys of each plate, after welding, storage tank 1 is forever placed on inner space, reserves Bottleneck valve and pipeline towards cylindrical shell circumferential opening, convenient maintenance and link pipeline.
In 4 storage tanks, 1 export pipeline bus, branch line mounting safety valve 13 is set, safety valve 13 another termination ambient atmosphere.
In an embodiment of the present invention, the circulation style of CNG is: by filling opening 8, be storage tank 1 postcombustion CNG.When using CNG to transfer to driving engine 7 as fuel, open 2/2-way valve 2.Normal temperature high voltage CNG, under the effect of pressure of the inside of a bottle, flows to 2/2-way valve 2, the second check valves 3 successively, reducing valve 4, by the about 20MPa of high pressure CNG() reduce pressure into the about 1.3MPa of CNG(that pressure is lower), will, with certain pressure CNG by center-rotary joint 5, deliver in driving engine 7.
The operation pressure of four storage tanks 1 is about 20MPa, and when cause internal pressure to raise due to unforeseen circumstances, as pressure reaches 23MPa left and right, safety valve 13 is opened, and reduces internal system pressure, effectively protects the safety of whole system.
In addition, in an embodiment of the present invention, preferably can be by storage tank 1 according to the bulk of lower vehicle frame, the shape that special one-tenth matches, to strengthen the capacity of storage tank storage CNG;
CNG aerating pipeline in storage tank 1 and CNG outlet pipe are divided and be arranged;
Increase the residual gas quantity sensor of each storage tank 1, by center-rotary joint 5 transmission of signals, in operator's compartment, understand in real time existing CNG storage;
Filling opening 8 arranges overcurrent protection pile-up valve, protection follow-up system pipeline;
The high-low pressure multistage filter of connecting in gas circuit;
In embodiments of the invention, also comprise a kind of construction machinery and equipment, be provided with CNG storage tank mounting structure described above.Because above-mentioned CNG storage tank mounting structure has above-mentioned technique effect, therefore, the construction machinery and equipment that is provided with this CNG storage tank mounting structure also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
Above specific embodiments of the invention be have been described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and alternative also all among category of the present invention.Therefore, equalization conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (10)
1. a CNG storage tank mounting structure, be applicable to construction machinery and equipment, described construction machinery and equipment comprises vehicle frame, lower vehicle frame and center-rotary joint (5), described upper vehicle frame is connected by the rotatable and described lower vehicle frame of center-rotary joint (5), in described lower vehicle frame, be provided with cavity, it is characterized in that, described CNG storage tank mounting structure comprises storage tank (1), reducing valve (4), gas passage (6) and driving engine (7), described storage tank (1) is connected with described reducing valve (4), described reducing valve (4) communicates with described driving engine (7) by described gas passage (6), described storage tank (1) and reducing valve (4) are located in the cavity of described lower vehicle frame, described gas passage (6) is located in described center-rotary joint (5), described driving engine (7) is located on described upper vehicle frame.
2. CNG storage tank mounting structure as claimed in claim 1, is characterized in that, also comprises 2/2-way valve (2), and described storage tank (1) is connected with described reducing valve (4) by described 2/2-way valve (2).
3. CNG storage tank mounting structure as claimed in claim 2, is characterized in that, also comprises the first check valve (3), and described 2/2-way valve (2) is connected with described reducing valve (4) by described the first check valve (3).
4. CNG storage tank mounting structure as claimed in claim 3, is characterized in that, is also provided with safety valve (13) on the outlet pipe of described storage tank (1).
5. CNG storage tank mounting structure as claimed in claim 4, is characterized in that, the input duct of described storage tank (1) is also connected with filling opening (8).
6. CNG storage tank mounting structure as claimed in claim 5, is characterized in that, described filling opening (8) is located at the afterbody of described lower vehicle frame.
7. CNG storage tank mounting structure as claimed in claim 6, is characterized in that, is also provided with guar plate (10) on described filling opening (8).
8. CNG storage tank mounting structure as claimed in claim 7, it is characterized in that, between described filling opening (8) and storage tank (1), be also provided with the second check valve (9), described filling opening (8) is connected with described storage tank (1) by described the second check valve (9).
9. CNG storage tank mounting structure as claimed in claim 8, is characterized in that, the quantity of described storage tank (1) is 4, and described 4 storage tanks (1) are distributed in four structural cavities of described lower vehicle frame.
10. a construction machinery and equipment, is characterized in that, comprises the CNG storage tank mounting structure as described in claim 1 to 9 any one.
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 true CN103552464A (en) | 2014-02-05 |
| CN103552464B 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 |
|---|---|
| CN (1) | CN103552464B (en) |
Citations (7)
| 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 |
| CN102059944A (en) * | 2010-12-20 | 2011-05-18 | 穆太力普努尔麦麦提 | Self-supply pneumatic vehicle |
| 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 |
-
2013
- 2013-11-14 CN CN201310567023.6A patent/CN103552464B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
| CN102059944A (en) * | 2010-12-20 | 2011-05-18 | 穆太力普努尔麦麦提 | Self-supply pneumatic vehicle |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103552464B (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100364822C (en) | Interception antiexplosion type automobile oil filling device | |
| CN101284640B (en) | Safety, environmental protection, energy conservation and skidded refueling device | |
| CN207698473U (en) | A kind of multifunctional oil gas safety in transportation and storage device | |
| CN2789180Y (en) | Isolating antiexplosive and anti-prizing filling | |
| CN101200165A (en) | Automobile oil tank | |
| CN201037112Y (en) | Safety environmental protection energy-saving pry-mounting type refueling unit | |
| CN103552464A (en) | CNG storage tank installation structure and engineering machinery | |
| CN105435400A (en) | Light high-mobility long-distance water supply fire-fighting method and system | |
| CN204263935U (en) | Composite Set accepted way of doing sth fuel tank | |
| CN103557435A (en) | LNG(Liquefied Natural Gas) storage tank installing structure and engineering machine | |
| CN211081808U (en) | Special chemical dosing vehicle for oil and gas fields | |
| CN201206523Y (en) | Hydraulic energy accumulation starter motor device | |
| CN111365610B (en) | Discharging pressure regulating system applied to hydrogen storage type hydrogenation station | |
| CN202321270U (en) | Oil-way system of oil truck with five oil tanks | |
| CN203046863U (en) | Chassis used for concrete-pump car and concrete-pump car | |
| CN203172599U (en) | Brake fluid replacement machine | |
| CN202879599U (en) | Engineering vehicle | |
| CN205452441U (en) | Many boxes methanol -water memory system of fuel cell car | |
| CN201046676Y (en) | Electric-pneumatic interactive vehicle | |
| CN104314133A (en) | LNG-diesel (liquefied petroleum gas-diesel) double-fuel hydraulic excavator | |
| CN205313075U (en) | Double dynamical source skid -mounted formula removes refuels shelter | |
| CN1292352A (en) | Environemnt-protecting energy-saving light oil transferring method | |
| CN203938472U (en) | Avoid the topping up device of mistake refueling | |
| CN215751889U (en) | Air compression power system | |
| CN2565999Y (en) | Explosion-proof low pollution diesel engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20171114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |