CN204785529U - LNG steel bottle assembly for fork truck - Google Patents
LNG steel bottle assembly for fork truck Download PDFInfo
- Publication number
- CN204785529U CN204785529U CN201520392381.2U CN201520392381U CN204785529U CN 204785529 U CN204785529 U CN 204785529U CN 201520392381 U CN201520392381 U CN 201520392381U CN 204785529 U CN204785529 U CN 204785529U
- Authority
- CN
- China
- Prior art keywords
- steel cylinder
- lng
- steel bottle
- fork truck
- connection interface
- 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.)
- Active
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a LNG steel bottle assembly for fork truck. The utility model aims at providing a compact structure, safe and reliable, convenient operation's LNG steel bottle assembly for fork truck. The utility model provides a: a LNG steel bottle assembly for fork truck, has the LNG steel bottle, and this steel bottle includes steel bottle shell, heat preservation and steel bottle inner bag, and LNG steel bottle tip is equipped with the interface of being connected with steel bottle inner bag intercommunication, its characterized in that: LNG steel bottle horizontal bracket is on two steel bottle erection supports, and the steel bottle erection support is through the fixed steel bottle of fixed ribbon, the one end of LNG steel bottle is fixed with the round guard shield, this guard shield one end and steel bottle fixed connection, and the other end sets up the apron, in the guard shield, install and be connected liquid feeding pipeline, drain pipe way and the evacuation pipeline that the interface communicates between apron and the steel bottle, the connection interface below position of LNG steel bottle is through connecting the interface from the pressurization line intercommunication. The utility model is suitable for an use the combustion forklifts of LNG as fuel.
Description
Technical field
The utility model relates to a kind of fork truck LNG steel cylinder assembly.Being applicable to take LNG as the diesel fork lift truck of fuel.
Background technique
LNG is the abbreviation of LNG Liquefied natural gas, be normal temperature gaseous natural gas compressed, be cooled to its freezing point (-161.5 DEG C) temperature after become liquid.Because LNG has ultralow temperature and high pressure harm, and inflammable, explosive, once leak, there is larger potential safety hazard, therefore when using on fork truck, LNG safety, reliably storage seem particularly important.
LNG steel cylinder assembly is the container of safe storage LNG.Market there is automobile LNG steel cylinder assembly, but based on following reason, do not meet the usage requirement of fork truck: 1. steel cylinder boundary dimension is large, exceeds fork truck external frame, do not meet the requirement of fork truck relevant criterion after installation; 2. the parts such as the valve on steel cylinder, pipeline, joint effectively do not protect, and there is potential safety hazard for fork truck uses; 3., after steel cylinder is installed, filling opening position is high, inconvenient filling operation.
Summary of the invention
The technical problems to be solved in the utility model is: for above-mentioned Problems existing, provides a kind of compact structure, safe and reliable, easy to operate fork truck LNG steel cylinder assembly.
The technological scheme that the utility model adopts is: a kind of fork truck LNG steel cylinder assembly, there is LNG steel cylinder, this steel cylinder comprises steel cylinder shell, thermal insulation layer and steel cylinder inner bag, LNG steel cylinder end is provided with the connection interface be communicated with steel cylinder inner bag, it is characterized in that: described LNG steel cylinder level frame is on two steel cylinder erection supports, and steel cylinder erection support fixes steel cylinder by mount cable-tie; One end of described LNG steel cylinder is fixed with one and encircles for protection cover, this guard shield one end is fixedly connected with steel cylinder, the other end arranges cover plate, in guard shield, be provided with the liquid feeding pipeline, fluid pipeline and the emptying pipeline that are communicated with connection interface between cover plate with steel cylinder, the connection interface lower position of described LNG steel cylinder is through being communicated with connection interface from pressure piping.
Described liquid feeding pipeline comprises filling opening, LNG feed liquor flexible pipe and feed liquor one-way valve, and filling opening is fixed on guard shield outer wall bottom through filling opening support, and this filling opening is communicated with connection interface through LNG feed liquor flexible pipe with feed liquor one-way valve.
LNG fluid stop valve and fluid one-way valve and overcurrent relief valve described fluid pipeline be equipped with.
Described emptying pipeline comprises gas returning port, vent stop valve, main safety valve and secondary safety valve, wherein main safety valve is communicated with connection interface respectively by the road with secondary safety valve, described gas returning port is fixed on guard shield outer wall through mounting bracket, and this gas returning port is communicated with connection interface through emptying connecting tube, vent stop valve.
Described emptying connecting tube is copper pipe.
Describedly comprise from pressure inlet, return-air flexible pipe, pressure regulator valve and from pressurization system stop valve from pressure piping, the described connection interface position on the lower side connecting LNG steel cylinder from pressure inlet one end, be communicated with steel cylinder inner bag, the other end cooled via return air flexible pipe connects the connection interface of LNG steel cylinder, wherein be equipped with on pressure inlet from pressurization system stop valve and pressure regulator valve, arrange along LNG steel cylinder lower edge from pressure inlet, and weld some heat transmission fins thereon.
Described LNG steel cylinder and between steel cylinder erection support and mount cable-tie, cushion pad is set.
Reserved protective housing fitting seat in described mount cable-tie.
The beneficial effects of the utility model are: the utility model compact structure, do not exceed fork truck external frame after installation, meet the requirement of fork truck relevant criterion; The component such as the valve on steel cylinder, pipeline, instrument protect by increase guard shield, cover plate safely, prevent it from leaking operator and other people injury from external world's damage and LNG, take various effective and safe protective measures, guarantee that LNG stores safely and reliably and uses on fork truck, stop potential safety hazard; Reasonable Arrangement filling opening position, facilitates filling operation; LNG steel cylinder setting height(from bottom) is low, increases back visibibility; The installation fixing-stable of steel cylinder is reliable.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model.
Fig. 2 is side view of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, the present embodiment has LNG steel cylinder 1, and this steel cylinder comprises steel cylinder shell 103, thermal insulation layer 102 and steel cylinder inner bag 101, LNG steel cylinder 1 end and is provided with the connection interface 104 be communicated with steel cylinder inner bag.LNG steel cylinder 1 horizontal positioned; frame is on two steel cylinder erection supports 2; steel cylinder erection support 2 fixes steel cylinder by mount cable-tie 3; reserved protective housing fitting seat 301 in mount cable-tie 3; be convenient to increase protective housing on the basis of the intensity not affecting mount cable-tie 3, protection LNG steel cylinder 1 is from external influence.LNG steel cylinder 1 and between steel cylinder erection support 2 and mount cable-tie 3, cushion pad 4 is set, prevent from vibrating and foreign impacts on the impact of steel cylinder and valve and pipeline.Reserved protective housing mounting bracket on steel cylinder erection support 2, for installing protective housing with protection from pressure piping.
A circle cartridge type guard shield 5 is fixed with in one end of LNG steel cylinder 1 in the present embodiment, this guard shield one end is fixedly connected with steel cylinder, the other end arranges cover plate 6, in guard shield 5, cover plate 6 with liquid feeding pipeline, fluid pipeline, emptying pipeline, safety valve and the instrument etc. that are communicated with connection interface 104 are installed between steel cylinder, the connection interface lower position of LNG steel cylinder 1 is through from pressure piping connection connection interface.
In this example, liquid feeding pipeline comprises filling opening 11, LNG feed liquor flexible pipe 23 and feed liquor one-way valve 22, filling opening 11 is fixed on guard shield 5 outer wall bottom through filling opening support 7, this filling opening is connected the connection interface of LNG steel cylinder 1 with feed liquor one-way valve 22 through LNG feed liquor flexible pipe 23, be communicated with steel cylinder inner bag 101.Fluid pipeline one end is communicated with the connection interface 104 of LNG steel cylinder 1, and the other end is communicated with motor through air supply system, it comprises LNG fluid stop valve 20 and fluid one-way valve and overcurrent relief valve 21.Emptying pipeline comprises gas returning port 9, vent stop valve 15, main safety valve 17 and secondary safety valve 18, the wherein connection interface 104 that is communicated with by the road respectively of main safety valve 17 and secondary safety valve 18, gas returning port 9 is fixed on guard shield 5 outer wall through mounting bracket 8, the connection interface 104 that this gas returning port is communicated with through emptying connecting tube 16, vent stop valve 15.Comprise from pressure inlet 13, return-air flexible pipe 12, pressure regulator valve 25 and from pressurization system stop valve 24 from pressure piping, connection interface 104 position on the lower side of LNG steel cylinder 1 is communicated with from pressure inlet 13 one end, be communicated with steel cylinder inner bag 101, the other end cooled via return air flexible pipe 12 is communicated with the connection interface 104 of LNG steel cylinder 1, wherein be equipped with on pressure inlet 13 from pressurization system stop valve 24 and pressure regulator valve 25, arrange along LNG steel cylinder 1 lower edge from pressure inlet 13, and weld some heat transmission fins 14 thereon.This example is also provided with barometer 10 on mounting bracket 8, and barometer 10 is communicated with steel cylinder inner bag 101 by the road; This example is also provided with the defeated change device 19 of liquid level, and the defeated change device 19 of liquid level is communicated with steel cylinder inner bag 101 by the road, and the defeated change device of this liquid level is fixed on guard shield 5 inwall through connection bracket.
The present embodiment, according to fork lift truck structure size, is selected Large Copacity and has met the LNG steel cylinder 1 of relevant authentication, meeting fork truck usage requirement (note: steel cylinder band is from pressurization system).
According to the physical dimension of fork truck, under the condition not changing former LNG steel cylinder 1, the position of accurate layout related components and connecting pipeline trend thereof, make steel cylinder compact structure, the external frame of fork truck is not exceeded after installation, mainly contain: the overall length of LNG steel cylinder 1 reduces by a., makes its size restrictions in fork truck external frame; B. filling opening 11 is arranged on below the right back of LNG steel cylinder 1, makes filling opening not exceed fork truck external frame, redesigns filling opening support 7, and changes the trend of LNG feed liquor flexible pipe 23; C. rearrange the mounting point of barometer 10, gas returning port 9, reduce its height and make it not exceed fork truck external frame; D. emptying connecting tube 16 changes copper pipe into by Stainless Steel Flexible Hose, for vibration damping copper pipe adopts " O type " design, and changes its trend; E. the mounting point of the defeated change device 19 of liquid level is changed, and new its connection bracket of design.
The present embodiment working principle is as follows:
1, topping up: extract the dust cover on filling opening 11, is connected liquid feeding rifle with filling opening 11, and LNG is flowed into by filling opening 11, through feed liquor one-way valve 22, enters steel cylinder inner bag 101;
2, store: LNG carries out heat-insulation and heat-preservation by thermal insulation layer 102 to it after entering LNG steel cylinder inner bag 101, the LNG temperature maintained in steel cylinder is about-165 DEG C as far as possible.
But heat insulation can not fully and completely, along with the passing of memory time, the temperature of the LNG in steel cylinder can rise, and part LNG can vaporize, and the pressure in steel cylinder inner bag 101 can progressively rise, and when being raised to certain value atmospherically, the main safety valve 17 on steel cylinder can be opened emptying; When pressure sharply rises to a certain value, the secondary safety valve 18 on steel cylinder also can be opened emptying.
3, air feed: open LNG fluid stop valve 20, LNG stream enters fluid one-way valve and overcurrent relief valve 21, then the supply air line supply engine flowing into fork truck uses.When exterior line exists leakage and leakage rate reaches certain value, overcurrent relief valve can cut out automatically, cuts off source of the gas.
4, steel cylinder is from supercharging: when LNG steel cylinder inner bag 101 internal pressure is low, and LNG cannot flow out from going out oral fluid, need use and be raised by the pressure in steel cylinder from pressurization system.Open from pressurization system stop valve 24, LNG stream enters from pressurization system, flows into from pressure inlet 13, absorbs external heat vaporized by LNG by heat transmission fin 14, then flow in steel cylinder inner bag 101 by return-air flexible pipe 12 by pressure regulator valve 25, and its air pressure is raised.The boost pressure in LNG steel cylinder inner bag 101 is set by adjustment pressure regulator valve 25;
5, steel cylinder air pressure and liquid level display: directly can be read the pressure in LNG steel cylinder 1 by barometer 10; Capacity and the atmospheric pressure of the LNG in LNG steel cylinder 1 is can read by the defeated change device 19 of liquid level.
Claims (8)
1. a fork truck LNG steel cylinder assembly, there is LNG steel cylinder (1), this steel cylinder comprises steel cylinder shell (103), thermal insulation layer (102) and steel cylinder inner bag (101), LNG steel cylinder (1) end is provided with the connection interface (104) be communicated with steel cylinder inner bag, it is characterized in that: described LNG steel cylinder (1) level frame is on two steel cylinder erection supports (2), and steel cylinder erection support (2) is by the fixing steel cylinder of mount cable-tie (3); One end of described LNG steel cylinder (1) is fixed with one and encircles for protection cover (5), this guard shield one end is fixedly connected with steel cylinder, the other end arranges cover plate (6), in guard shield (5), cover plate (6) with the liquid feeding pipeline, fluid pipeline and the emptying pipeline that are communicated with connection interface (104) are installed between steel cylinder, the connection interface lower position of described LNG steel cylinder (1) is through being communicated with connection interface from pressure piping.
2. fork truck LNG steel cylinder assembly according to claim 1, it is characterized in that: described liquid feeding pipeline comprises filling opening (11), LNG feed liquor flexible pipe (23) and feed liquor one-way valve (22), filling opening (11) is fixed on guard shield (5) outer wall bottom through filling opening support (7), and this filling opening is communicated with connection interface (104) through LNG feed liquor flexible pipe (23) with feed liquor one-way valve (22).
3. fork truck LNG steel cylinder assembly according to claim 1, is characterized in that: described fluid pipeline is equipped with LNG fluid stop valve (20) and fluid one-way valve and overcurrent relief valve (21).
4. fork truck LNG steel cylinder assembly according to claim 1, it is characterized in that: described emptying pipeline comprises gas returning port (9), vent stop valve (15), main safety valve (17) and secondary safety valve (18), wherein main safety valve (17) is communicated with connection interface (104) respectively by the road with secondary safety valve (18), described gas returning port (9) is fixed on guard shield (5) outer wall through mounting bracket (8), and this gas returning port is communicated with connection interface (104) through emptying connecting tube (16), vent stop valve (15).
5. fork truck LNG steel cylinder assembly according to claim 4, is characterized in that: described emptying connecting tube (15) is copper pipe.
6. fork truck LNG steel cylinder assembly according to claim 1, it is characterized in that: describedly comprise from pressure inlet (13) from pressure piping, return-air flexible pipe (12), pressure regulator valve (25) and from pressurization system stop valve (24), described connection interface (104) position on the lower side connecting LNG steel cylinder (1) from pressure inlet (13) one end, be communicated with steel cylinder inner bag (101), the other end cooled via return air flexible pipe (12) connects the connection interface (104) of LNG steel cylinder (1), wherein be equipped with on pressure inlet (13) from pressurization system stop valve (24) and pressure regulator valve (25), arrange along LNG steel cylinder (1) lower edge from pressure inlet (13), and weld some heat transmission fins (14) thereon.
7. the LNG steel cylinder assembly of the fork truck according to claim 1 ~ 6 any one, is characterized in that: described LNG steel cylinder (1) and arrange cushion pad (4) between steel cylinder erection support (2) and mount cable-tie (3).
8. fork truck LNG steel cylinder assembly according to claim 7, is characterized in that: the upper reserved protective housing fitting seat (301) of described mount cable-tie (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392381.2U CN204785529U (en) | 2015-06-09 | 2015-06-09 | LNG steel bottle assembly for fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392381.2U CN204785529U (en) | 2015-06-09 | 2015-06-09 | LNG steel bottle assembly for fork truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785529U true CN204785529U (en) | 2015-11-18 |
Family
ID=54525578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520392381.2U Active CN204785529U (en) | 2015-06-09 | 2015-06-09 | LNG steel bottle assembly for fork truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204785529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404714A (en) * | 2018-12-07 | 2019-03-01 | 上海空间推进研究所 | Compact gas storage module |
| CN113124316A (en) * | 2019-12-31 | 2021-07-16 | 陕西重型汽车有限公司 | Automobile-used LNG feed system |
-
2015
- 2015-06-09 CN CN201520392381.2U patent/CN204785529U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404714A (en) * | 2018-12-07 | 2019-03-01 | 上海空间推进研究所 | Compact gas storage module |
| CN113124316A (en) * | 2019-12-31 | 2021-07-16 | 陕西重型汽车有限公司 | Automobile-used LNG feed system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2006254686B2 (en) | Storage tank for a cryogenic liquid and method of re-filling same | |
| CN204785529U (en) | LNG steel bottle assembly for fork truck | |
| US20140223924A1 (en) | Integrated Cryogenic Fluid Delivery System | |
| WO1998020247A1 (en) | Pressure vessel assembly | |
| RU2015104262A (en) | FUEL TANK FILLING DEVICE FOR FLUID | |
| BR112015006589A2 (en) | integrated flow control valve | |
| ES2881451T3 (en) | Integrated space-saving cryogenic liquid distribution system | |
| CN204827712U (en) | LNG stores up gas supply system for fork truck | |
| CN207892841U (en) | Screw air compressor Oil-gas Separation bucket | |
| CN104929813A (en) | LNG storage and supply system for forklift | |
| CN204774625U (en) | CNG gas storage system for fork truck | |
| CN203641880U (en) | Front-end supporting structure for vehicle liquefied-natural-gas cylinder | |
| CN103587376B (en) | A kind of heating automobile and cooling system share kettle | |
| CN209041973U (en) | Automobile gas cylinder | |
| CN203713479U (en) | Vehicle-mounted liquefied natural gas vaporizer and cold storage transport vehicle mounting same | |
| JP5365932B2 (en) | Fuel supply device for vehicle engine | |
| CN106801788B (en) | A kind of explosion-proof LNG heat insulation tank | |
| CN200993544Y (en) | Soft-heating waterpipe for vehicular radiator | |
| CN205896377U (en) | A defroster for relief pressure valve | |
| CN205618985U (en) | Low temperature liquid oxygen storage tank fills car pipeline safety device | |
| CN205172760U (en) | Utilize engine exhaust's automobile -used water bath formula LNG vapourizing unit | |
| RU175181U1 (en) | GAS CYLINDER EQUIPMENT SYSTEM | |
| CN204879441U (en) | Liquefied natural gas gas cylinder for car | |
| CN210087471U (en) | Cooling module structure of integrated expansion tank | |
| CN212893898U (en) | Oil feeding pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |