CN104890503A - CNG gas storage system for forklift - Google Patents
CNG gas storage system for forklift Download PDFInfo
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- CN104890503A CN104890503A CN201510312225.5A CN201510312225A CN104890503A CN 104890503 A CN104890503 A CN 104890503A CN 201510312225 A CN201510312225 A CN 201510312225A CN 104890503 A CN104890503 A CN 104890503A
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Abstract
The invention relates to a CNG gas storage system for a forklift. The object of the invention is to provide a gas storage system with simple structure and safe and reliable gas storage. According to the technical scheme, the CNG gas storage system comprises a steel cylinder installation supporting seat, a CNG steel cylinder assembly arranged in a V-shaped groove of the steel cylinder installation supporting seat and fixed on the installation supporting seat via the cooperation of fixing bands, high-strength bolts, and self-locking nuts, a steel cylinder cover covering the outside of the CNG steel cylinder assembly, fixed on the fixing bands, and matched with the steel cylinder installation supporting seat to form a ring of protective sleeve of the CNG steel cylinder assembly, a CNG gas-filling pipeline comprising a CNG charging connector, a tee gas-filling stop valve, a hand-operated stop valve, a CNG pipeline, an adapter, and a barometer, a valve installation supporting seat fixedly connected with the steel cylinder installation supporting seat via a bolt, and a protective cover covering the CNG gas-filling pipeline and fixedly connected with the valve installation supporting seat; the protective cover is provided with openings corresponding to the CNG charging connector, the hand-operated stop valve, and the barometer, the valve installation supporting seat is provided with a limiting support for limiting the movement back and forth of the CNG steel cylinder assembly, and the limiting support is abutted against the CNG steel cylinder assembly.
Description
Technical field
The present invention relates to a kind of fork vehicle CNG gas storage system.Being applicable to take CNG as the diesel fork lift truck of fuel.
Background technology
CNG (Compressed Natural Gas) is the abbreviation of compression natural gas, is that normal temperature gaseous natural gas is compressed to 20 ~ 25MPa, and stores in a reservoir with gaseous state.CNG is the main storage mode of one of natural gas applications and transport.
When vehicle is applied, CNG need adopt the CNG steel cylinder meeting relevant criterion certification to store.General CNG steel cylinder Heavy Weight, size is comparatively large, therefore the safety and stability of CNG steel cylinder is reliably installed fixing and protection is particularly important.Be limited by fork truck oad, CNG steel cylinder capacity need meet the operating needs of fork truck, and it needs after installing to meet relevant criterion requirement (if do not exceeded the outline etc. of fork truck), and guarantees that back visibibility is good, facilitates forklift operator.
Because CNG has the harm of superhigh pressure, it is inflammable, explosive, once leak, there is great potential safety hazard.Fork truck when applying, need take various safeguard procedures, guarantee the storage of CNG, use, fill safe and reliable durable, and prevent CNG to the injury of other people and operator; In addition, be different from LPG fork truck, CNG steel cylinder does not allow the mode by changing or dismantle steel cylinder to inflate, need carry loading line after installing, and demanding party's just charge operation.
Summary of the invention
The technical problem to be solved in the present invention is: for above-mentioned Problems existing, the fork vehicle CNG gas storage system providing a kind of structure simple, safe and reliable.
The technical solution adopted in the present invention is: a kind of fork vehicle CNG gas storage system, is characterized in that comprising:
Steel cylinder erection support, adopts V-type groove structure;
CNG steel cylinder assembly, one end has cylinder valve, and this CNG steel cylinder assembly is placed in the V-type groove of steel cylinder erection support, and coordinates high strength bolt and self lock nut to be fixed on erection support through mount cable-tie;
Steel cylinder cover, covers in CNG steel cylinder assembly outer and be fixed in mount cable-tie, coordinates steel cylinder erection support to form the protecting sleeve of a circle CNG steel cylinder assembly;
CNG loading line, there is CNG charging connector, threeway inflation shutoff valve, manual shutoff valve, CNG pipeline, adapter substitute and air-pressure gauge, described cylinder valve connects an interface of threeway inflation shutoff valve through CNG pipeline, in another two interfaces of threeway inflation shutoff valve, an interface connects CNG charging connector, and another interface is driving engine air feed through CNG pipeline, manual shutoff valve; Air-pressure gauge connects cylinder valve through adapter substitute;
Valve installation bearing, it fixedly mounts described manual shutoff valve and threeway inflation shutoff valve, this valve installation bearing is connected and fixed through bolt and steel cylinder erection support;
Protective case, covers on CNG loading line, and is connected and fixed with valve installation bearing; On protective case, corresponding CNG charging connector, manual shutoff valve and air-pressure gauge have opening.Described valve installation bearing is provided with the movable limiting bracket of restriction CNG steel cylinder assembly, and this limiting bracket withstands CNG steel cylinder assembly.
Described CNG steel cylinder assembly and steel cylinder erection support, between mount cable-tie and limiting bracket, cushion rubber is set.
Described steel cylinder shroud rim is tied with rubber coating.
Described CNG pipeline adopts the design of O type to be calibration tube by circuit design.
Opening part on described protective case corresponding to air-pressure gauge fixes lamina of septum pellucidum through bolt.
Some rows exhaust circular hole is had above described protective case.
The invention has the beneficial effects as follows: the present invention carries CNG loading line, structure is simple, safe and reliable, guarantee the storage of CNG, use, fill safe and reliable durable; The present invention is rationally distributed, and CNG steel cylinder assembly is installed reliable and stable, and has the ability preventing vibration and anti-foreign impacts.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment.
Fig. 2 is the block diagram (unprotect cover) of embodiment.
Fig. 3 is the front view of embodiment.
Detailed description of the invention
As shown in FIG. 1 to 3, the present embodiment is a kind of fork vehicle CNG gas storage system, comprises steel cylinder erection support 19, CNG steel cylinder assembly 4, steel cylinder cover 1, valve installation bearing 11, CNG loading line and protective case 26 etc.
In this example, CNG steel cylinder assembly 4 has cylinder valve 7, steel cylinder need meet the following conditions: a., under the prerequisite meeting fork truck operating needs, selects capacity large, lightweight CNG steel cylinder assembly 4 and oad need meet the installation requirement of fork truck; B. relevant criterion certification is met; C. cylinder valve 7 needs integrating manual valve, high-pressure solenoid valve, overcurrent by pass valve, safety valve, check valve, connecting interface etc.
In the present embodiment, steel cylinder erection support 19 adopts V-type groove structure.CNG steel cylinder assembly 4 is placed in the V-type groove of steel cylinder erection support 19, is fixed on mounting bracket by two mount cable-tie 21.Steel cylinder erection support 19 and mount cable-tie 21 adopt high strength bolt to coordinate self lock nut to be connected and fixed, and ensure that CNG steel cylinder assembly 4 installs fixing-stable reliable.
In this example, CNG loading line has CNG charging connector 14, threeway inflation shutoff valve 13, manual shutoff valve 10, CNG pipeline 9, adapter substitute 6 and air-pressure gauge 5.In this example, the cylinder valve 7 of CNG steel cylinder assembly 4 connects an interface of threeway inflation shutoff valve 13 through CNG pipeline 9; In another two interfaces of this threeway inflation shutoff valve, an interface connects CNG charging connector 14, and another interface is driving engine air feed through CNG pipeline 9, manual shutoff valve 10.Wherein air-pressure gauge 5 connects cylinder valve 7 through adapter substitute 6, for detecting CNG pressure in CNG steel cylinder assembly 4 and capacity.
Manual shutoff valve 10 in the present embodiment in CNG loading line and threeway inflation shutoff valve 13 are fixedly installed on valve installation bearing 11, and this valve installation bearing is connected and fixed through bolt and steel cylinder erection support 19.This example moves forward and backward for preventing CNG steel cylinder assembly 4, and arrange the movable limiting bracket 16 of restriction CNG steel cylinder assembly upper, this limiting bracket withstands CNG steel cylinder assembly 4.
The danger such as the pipeline in CNG loading line, valve, joint, instrument and weak section use protective case 26 to protect, and prevent extraneous damage and CNG to the injury of people.Protective case 26 designs enough large empty space, guarantees that CNG gas storage system safely, reliably.In the present embodiment, protective case 26 covers in outside CNG loading line, and is connected and fixed with valve installation bearing 11.
On protective case 26, corresponding CNG charging connector 14, manual shutoff valve 10 and air-pressure gauge 5 have opening, convenient operation and observation.Opening part on protective case 26 corresponding to air-pressure gauge 5 fixes lamina of septum pellucidum through bolt, both observable air-pressure gauge reading, also can play safety precaution.Have a few row exhaust circular hole 2601 above protective case, increase evacuation port area.
In the present embodiment, the manual shutoff valve 10 of CNG loading line, threeway inflation shutoff valve 13, CNG charging connector 14, air-pressure gauge 5, CNG pipeline 9 etc. meet ECE R110 or ISO 15500 standard authentication, guarantee safety, reliable.CNG pipeline 9 according to actual needs, adopts " O type " design to be calibration tube by circuit design, and adopts two olive taper joint to withhold sealing, ensures pipeline and connects safe and reliable.
For preventing vibration and foreign impacts on the impact of CNG steel cylinder assembly 4, at CNG steel cylinder assembly 4 and steel cylinder erection support 19, between mount cable-tie 21 and limiting bracket 16, cushion rubber 15 is set; And after steel cylinder cover 1 edge is wrapped with rubber external member 3, being arranged in mount cable-tie 21, protection CNG steel cylinder assembly, steel cylinder cover 1 coordinates steel cylinder erection support 19 to form the protecting sleeve of a circle CNG steel cylinder assembly.
The principle of work of the present embodiment is as follows:
1. inflate: a. shuts down, after engine off, close manual shutoff valve 10, open the manual shutoff valve on cylinder valve 7; B. open threeway inflation shutoff valve 13, extract the cover of dust on CNG charging connector 14; C. CNG air filling gun is connected CNG charging connector 14, open CNG filling machine and start aerating, CNG enters into threeway by CNG charging connector 14 and inflates shutoff valve 13, enters cylinder valve 7, be filled with in CNG steel cylinder assembly 4 by CNG pipeline 9; D., after inflation, threeway inflation shutoff valve 13 need be closed.
2. store: CNG enters after in CNG steel cylinder 4, closes hand valve, the high-pressure solenoid valve on cylinder valve 7, CNG being stored in safety in CNG steel cylinder assembly 4.
3. air feed: a. closes threeway inflation shutoff valve 13; B. the manual shutoff valve on cylinder valve 7, high-pressure solenoid valve is opened; D. manual shutoff valve 10 is opened, CNG flows into cylinder valve 7 by CNG steel cylinder assembly 4, flows into threeway inflation shutoff valve 13, then flow into manual shutoff valve 10 by CNG pipeline 9 by CNG pipeline 9, again, manual shutoff valve 10 outlet flow is to CNG pipeline system, and supply engine uses.
Claims (7)
1. pitch a vehicle CNG gas storage system, it is characterized in that comprising:
Steel cylinder erection support (19), adopts V-type groove structure;
CNG steel cylinder assembly (4), one end has cylinder valve (7), this CNG steel cylinder assembly is placed in the V-type groove of steel cylinder erection support (19), and coordinates high strength bolt and self lock nut to be fixed on erection support through mount cable-tie (21);
Steel cylinder cover (1), covers in CNG steel cylinder assembly (4) and be fixed in mount cable-tie (21) outward, coordinates steel cylinder erection support (19) to form the protecting sleeve of a circle CNG steel cylinder assembly;
CNG loading line, there is CNG charging connector (14), threeway inflation shutoff valve (13), manual shutoff valve (10), CNG pipeline (9), adapter substitute (6) and air-pressure gauge (5), described cylinder valve (7) connects an interface of threeway inflation shutoff valve (13) through CNG pipeline (9), in threeway inflation shutoff valve (13) another two interfaces, an interface connects CNG charging connector (14), and another interface is driving engine air feed through CNG pipeline (9), manual shutoff valve (10); Air-pressure gauge (5) connects cylinder valve (7) through adapter substitute (6);
Valve installation bearing (11), it fixedly mounts described manual shutoff valve (10) and threeway inflation shutoff valve (13), this valve installation bearing is connected and fixed through bolt and steel cylinder erection support (19);
Protective case (26), covers on CNG loading line, and is connected and fixed with valve installation bearing (11); The upper corresponding CNG charging connector (14) of protective case (26), manual shutoff valve (10) and air-pressure gauge (5) have opening.
2. fork vehicle CNG gas storage system according to claim 1, it is characterized in that: described valve installation bearing (11) is provided with the movable limiting bracket (16) of restriction CNG steel cylinder assembly, and this limiting bracket withstands CNG steel cylinder assembly (4).
3. fork vehicle CNG gas storage system according to claim 2, is characterized in that: described CNG steel cylinder assembly (4) and steel cylinder erection support (19), arrange cushion rubber (15) between mount cable-tie (21) and limiting bracket (16).
4. fork vehicle CNG gas storage system according to claim 1, is characterized in that: described steel cylinder cover (1) edge is tied with rubber coating (3).
5. fork vehicle CNG gas storage system according to claim 1, is characterized in that: described CNG pipeline (9) adopts the design of O type to be calibration tube by circuit design.
6. fork vehicle CNG gas storage system according to claim 1, is characterized in that: the upper opening part corresponding to air-pressure gauge (5) of described protective case (26) fixes lamina of septum pellucidum through bolt.
7. fork vehicle CNG gas storage system according to claim 1, is characterized in that: described protective case (26) top has some rows exhaust circular hole (2601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312225.5A CN104890503A (en) | 2015-06-09 | 2015-06-09 | CNG gas storage system for forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312225.5A CN104890503A (en) | 2015-06-09 | 2015-06-09 | CNG gas storage system for forklift |
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| Publication Number | Publication Date |
|---|---|
| CN104890503A true CN104890503A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510312225.5A Pending CN104890503A (en) | 2015-06-09 | 2015-06-09 | CNG gas storage system for forklift |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054068A (en) * | 2017-02-13 | 2017-08-18 | 平罗县龙江液化气有限责任公司 | A kind of natural gas loading machine gas cylinder protection mechanism |
| CN109404714A (en) * | 2018-12-07 | 2019-03-01 | 上海空间推进研究所 | Compact gas storage module |
| CN114274767A (en) * | 2021-12-31 | 2022-04-05 | 安徽江淮汽车集团股份有限公司 | Gas supply system of compressed natural gas vehicle |
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| CN2508015Y (en) * | 2001-07-23 | 2002-08-28 | 北京兰天达汽车清洁燃料技术有限公司 | Central gas filling and supply centrolling panel for natural gas car |
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| CN201546841U (en) * | 2009-08-12 | 2010-08-11 | 中原特种车辆有限公司 | Gas depressurizing system and natural gas paraffin vehicle |
| CN202863134U (en) * | 2012-08-06 | 2013-04-10 | 宁波吉江汽车制造有限责任公司 | Gas cylinder carrying device of fuel-gas-powered vehicle |
| CN203515865U (en) * | 2013-10-15 | 2014-04-02 | 北汽福田汽车股份有限公司 | Liquefied natural gas vehicle gas supply device and liquefied natural gas vehicle |
| CN203974542U (en) * | 2014-07-28 | 2014-12-03 | 三一重机有限公司 | A kind of liquefied natural gas supplying system component and excavating machine thereof |
| CN204344309U (en) * | 2014-12-18 | 2015-05-20 | 陕西重型汽车有限公司 | CNG fuel gas pipeline system intergration panel device |
| CN204774625U (en) * | 2015-06-09 | 2015-11-18 | 杭叉集团股份有限公司 | CNG gas storage system for fork truck |
-
2015
- 2015-06-09 CN CN201510312225.5A patent/CN104890503A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5529089A (en) * | 1992-10-13 | 1996-06-25 | Williams Controls, Inc. | Modular compressed natural gas fuel unit |
| CN2508015Y (en) * | 2001-07-23 | 2002-08-28 | 北京兰天达汽车清洁燃料技术有限公司 | Central gas filling and supply centrolling panel for natural gas car |
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| CN201140755Y (en) * | 2007-11-20 | 2008-10-29 | 重庆重客工贸发展有限公司 | Single-fuel gas two-wheel motorcycle |
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| CN203974542U (en) * | 2014-07-28 | 2014-12-03 | 三一重机有限公司 | A kind of liquefied natural gas supplying system component and excavating machine thereof |
| CN204344309U (en) * | 2014-12-18 | 2015-05-20 | 陕西重型汽车有限公司 | CNG fuel gas pipeline system intergration panel device |
| CN204774625U (en) * | 2015-06-09 | 2015-11-18 | 杭叉集团股份有限公司 | CNG gas storage system for fork truck |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054068A (en) * | 2017-02-13 | 2017-08-18 | 平罗县龙江液化气有限责任公司 | A kind of natural gas loading machine gas cylinder protection mechanism |
| CN109404714A (en) * | 2018-12-07 | 2019-03-01 | 上海空间推进研究所 | Compact gas storage module |
| CN114274767A (en) * | 2021-12-31 | 2022-04-05 | 安徽江淮汽车集团股份有限公司 | Gas supply system of compressed natural gas vehicle |
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Application publication date: 20150909 |
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| RJ01 | Rejection of invention patent application after publication |