CN101470024B - Electronic balance weighing auxiliary device for hydrogen cylinder - Google Patents
Electronic balance weighing auxiliary device for hydrogen cylinder Download PDFInfo
- Publication number
- CN101470024B CN101470024B CN2007103040797A CN200710304079A CN101470024B CN 101470024 B CN101470024 B CN 101470024B CN 2007103040797 A CN2007103040797 A CN 2007103040797A CN 200710304079 A CN200710304079 A CN 200710304079A CN 101470024 B CN101470024 B CN 101470024B
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- auxiliary device
- electronic balance
- balance
- driving
- floating shelf
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000001257 hydrogen Substances 0.000 title claims abstract description 30
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 30
- 238000005303 weighing Methods 0.000 title claims description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 4
- 241000220317 Rosa Species 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a hydrogen gas bottle electronic balance weighting auxiliary device, belonging to the weight detection device technical field, which mainly comprises a balance loading mechanism and a wind against box. The balance loading mechanism is composed of a main structure support base, a transmission mechanism, a floating support and the like. The hydrogen gas bottle electronic balance weighting auxiliary device has high measurement accuracy, safe and reliable operation, simple and flexible application, can avoid hydrogen gas bottle damaging balance in loading, can accurately measure the consumption of hydrogen fuel, and can confirm consistence of measurement repeatability. The wind against box can effectively prevent environment as airflow disturbance, vibration and the like to affect measurement result.
Description
Technical field
The invention belongs to the Weight detecting device field,, particularly a kind of electronic balance weighing auxiliary device for hydrogen cylinder of weighing auxiliary device.
Background technology
Along with the continuous development of automotive engineering, new forms of energy cars such as Hydrogen Fuel-cell Vehicles progress into people's sight, become the focus of each big auto vendor research and development of the world.The on-board hydrogen source of Hydrogen Fuel-cell Vehicles generally has vehicle-mounted hydrogen production and vehicle-mounted pure hydrogen dual mode, wherein adopts the mode of gas cylinder storage hydrogen to account for sizable ratio at present.But hydrogen powered vehicle and orthodox car fuel system have a great difference, its economic testing method also has very big difference, and the economic testing system of fuel-cell vehicle that is used at present high-pressure hydrogen storing both at home and abroad is also all fewer, though weight method, obtained sufficient attention in the experimental study that all the hydrogen consumption has been measured abroad such as temperature, pressure method and flowmeter method, also some application have been obtained in the actual measurement of hydrogen consumption abroad, but it is generally speaking still immature, the applicability of the whole bag of tricks and precision and how all also not have deterministic conclusion in concrete test are still among further research.And at home, relevant research seldom, so the present invention has obvious practical meaning and application prospect.
For the application on the chassis dynamometer, be the weight method precision height of principle based on the clean mass change of weight before and after the balance weighing gas cylinder, good reproducibility can be used as measuring basis.And because used electronic balance precision is higher, the gas cylinder of being weighed heavier (40L aluminum liner carbon fiber parcel gas cylinder weighs 25kg), directly placement impacts to electronic balance easily, causes measuring inaccurate even damage, and operation is inconvenient.Present a kind of floated balance can separate weighing with balance and gas cylinder, but only is applicable to the measurement of low precision, can not satisfy in the accuracy requirement of ± 1%RD for being used as error range.
Summary of the invention
The objective of the invention is provides a kind of electronic balance weighing auxiliary device for hydrogen cylinder at the actual needs in measuring.
The technical solution used in the present invention is for achieving the above object:
Electronic balance weighing auxiliary device for hydrogen cylinder, its composition consists of: floating shelf 2 supports and drives lifting by four driving stems 3, and both are by mating surface 13 combinations; Driving stem 3 connects firmly on two flat-face followers by the sliding sleeve on the main structure supporting seat 14 5, and connects two driving stems on each flat-face follower; Cam 10 and gear 4 are coaxial to connect firmly mutually, and two cams 10 support and promote a flat-face follower respectively; Gear 4 and slide block 6 engagements, slide block 6 meshes with driving screw mandrel 8, and power wheel 7 is coaxial fixing with driving screw mandrel 8; After gear 4 is driven by handwheel, drive slide block 6 rotations; Drive by slide block 6 again and drive screw mandrels 8 rotations and move forward and backward, drive screw mandrel 8 and drive power wheel 7 rotations, the power wheel 7 of both sides is by driving belt 12 transmissions, and the driving screw mandrel that drives opposite side rotates, and then drives corresponding gear, cam and the driving stem motion of opposite side; Balance carriage 11 and is installed on the main structure supporting seat 14 by support in anti-bellows, is the balance room 1 of placing balance above balance carriage 11.
Described anti-bellows, the wallboard of casing is dismantled and assembled, and has better seal; Four jiaos of horizon adjustables of casing are also fixing; The level turnover freedom of gas cylinder can be finished in the space about the casing, and the 100mm free space is left in the top.
The placement space and the fixing placement location of balance are left in the top of described balance on goods and services 12, and guarantee that the balance left and right sides and the monolateral gap of test desk should be not less than 20mm.
The nut type locking device is housed on the described handwheel.
Synchronous error＜the 0.1mm of described two cams 10, lifting travel scope: 0mm～25mm; The lift of cam mechanism is taken as 25mm.
Described driving stem 3 is with being separable between the floating shelf 2, and both are by mating surface 13 combinations.
The overall weight of described floating shelf 2 is not more than 6kg, and the design load amount of floating shelf 2 is 65Kg, and maximum can be carried 70kg.
The plane is with respect to plane parallel degree＜0.2mm on the test desk base plate on the described floating shelf 2; 2 four vertical drive bars 3 of floating shelf are with respect to plane verticality＜0.10mm on the test desk base plate; Four vertical drive bars 3 and the quality of fit of flange linear bearing are not less than the quality of fit of flange linear bearing pair.
The ratio of gear of described servicing unit is: when power wheel 7 rotated for 5 weeks, floating shelf rose or decline 25mm.
Gear train.Manual mode is adopted in the floating shelf lifting, and the axle sleeve rotary part all adopts bearing to connect, and locking device is housed on the handwheel, to guarantee rotation freely, reduces resistance, and is safe and reliable.The lifting travel scope of cam (floating shelf): 0mm～25mm finishes the requirement of one-way trip handwheel and rotates the number of turns in 30 circles.Synchronous error＜the 0.1mm of two cams, the synchrodrive belt will have enough tensile forces and intensity.
Electronic balance weighing auxiliary device for hydrogen cylinder of the present invention, measuring accuracy height, safe and reliable, easy to use flexible, avoid in the loading procedure hydrogen cylinder to the infringement of balance, realize the accurate measurement of consumption of hydrogen fuel amount, and guarantee to measure the consistance of repeatable accuracy; By anti-bellows, effectively overcome the adverse effect that environment may cause measurement result around flow perturbation, the vibrations etc.
Description of drawings
Fig. 1 electronic balance weighing auxiliary device for hydrogen cylinder structural drawing.
Embodiment
The invention provides a kind of electronic balance weighing auxiliary device for hydrogen cylinder, elaborate below in conjunction with accompanying drawing.
The main structure supporting seat reduces each back up pad hollow out as far as possible on deposition rate, the especially base plate of material as far as possible under the requirement of satisfying system strength.
Floating shelf 2 drives its lifting by four driving stems 3.Handwheel in the system (not drawing among the figure) connects with gear 4 by a sets of transmission mechanism, by rotating handwheel, can control the rotation of this stationary shaft gear 4, and then the rotation of control and the gear 4 coaxial cams that connect firmly mutually 10, the nut type locking device is housed on the handwheel, to guarantee rotation freely, reduce resistance, safe and reliable.Have two cams in the electronic balance weighing auxiliary device, each cam promotes a flat-face follower.Synchronous error＜the 0.1mm of two cams, lifting travel scope: 0mm～25mm.The lift of cam mechanism is taken as 25mm, finishes the requirement of one-way trip handwheel and rotates the number of turns in 30 circles.Synchronous error＜the 0.1mm of two cams is fixedly connected with two parallel driving stems 3 on each flat-face follower, together support floating shelf 2, and driving stem 3 is with then being separable between the floating shelf 2, and both are by mating surface 13 combinations; Driving stem 3 links to each other with main structure supporting seat 14 by sliding sleeve 5, and can be free to slide therein.Floating shelf 2 adopts tower structure, because requirement of strength, the local employing of minority is interrupted argon arc welding.The overall weight of floating shelf 2 is not more than 6kg, the design load amount of floating shelf 2 is 65Kg, and floating shelf 2 is under carrying 70kg state, tangible elastic deformation (flatness is controlled in the 0.6mm scope) can not occur, the plane is with respect to plane parallel degree＜0.2mm on the test desk base plate on the floating shelf 2.2 four vertical drive bars 3 of floating shelf are with respect to plane verticality＜0.10mm on the test desk base plate.Four vertical drive bars 3 and the quality of fit of flange linear bearing are not less than the quality of fit of flange linear bearing pair.
Whole floating shelf 2 adopts tower structure, the pin location, and bolt connects; Because requirement of strength, the local employing of minority is interrupted argon arc welding; The framework main material is austenitic stainless steel: 1Cr18Ni9Ti, is satisfying the following of intensity needs, and the minority part adopts alloy aluminum, brass, iron bronze etc.
Transmission scheme from the handwheel to the gear adopts the rack pinion transmission.Gear 4 and slide block 6 engagements, slide block 6 meshes with driving screw mandrel 8, and power wheel 7 is coaxial fixing with driving screw mandrel 8.After gear 4 is driven by handwheel, drive slide block 6 rotations; Drive by slide block 6 again and drive screw mandrels 8 rotations and move forward and backward, drive screw mandrel 8 and drive power wheel 7 rotations, the power wheel 7 of both sides is by driving belt 12 transmissions, and the driving screw mandrel that drives opposite side rotates, and then drives corresponding gear, cam and the driving stem motion of opposite side.The requirement of this running part is the synchronism that will guarantee the synchronism of two driving screw mandrels and then guarantee the lifting of four driving stems, and driving belt 12 will have enough tensile forces and intensity.
In addition, gentle for gas cylinder is loaded, promptly running part has more suitable ratio of gear, and when power wheel rotated for 5 weeks, floating shelf rose or decline 25mm.
Anti-bellows part, casing has better seal, the wallboard easy accessibility; Four jiaos of horizon adjustables of casing are also fixing; The level turnover freedom of gas cylinder can be finished in the space about the casing, and the 100mm free space is left in the top.
When thereby cam 10 rotated 3 risings of promotion driving stem with handwheel, floating shelf 2 was by jack-up, and four loading feeler levers 9 that connect firmly with it that stretch out its below rise thereupon, thereby disengage with the sky plane surface.When cam 10 made that with the handwheel rotation its outline line peak constantly reduces, its driven member---driving stem 3 moved downward under action of gravity.At initial period, floating shelf 2 is also along with decline, but after four loading feeler levers 9 of floating shelf 2 bottoms touched the balance that is placed on the balance carriage 11, floating shelf 2 can't continue to descend.At this moment, need be rotated further handwheel driving stem 3 continuation declines are separated with floating shelf 2 up to driving stem 3, the quality of floating shelf 2 and gas cylinder is supported by balance fully.The standard of described hydrogen cylinder is: 100 liters of gas cylinders, quality are 38 kilograms, and diameter is 345mm, and length is 1430mm; 40 liters of gas cylinders, quality are 25 kilograms, and diameter is 330mm, and length is 800mm.
The principle of work of electronic balance weighing auxiliary device: gas cylinder be stabilized be placed on one can the floating shelf of lifting on.The elevating movement of this floating shelf is by rotating handwheel control.In the time will on floating shelf, placing gas cylinder, at first shake handwheel the floating shelf rise is disengaged up to floating shelf and balance before the test, then place gas cylinder and can not produce any impact this moment balance.After putting gas cylinder well, rotate handwheel floating shelf is slowly fallen together with top gas cylinder, balance is loaded.At this moment, the quality that records of balance is the gross mass of gas cylinder and floating shelf.Rise floating shelf after weighing again, test.Repeat the gross mass that aforesaid operations records test back gas cylinder and floating shelf after the off-test.Like this, because the quality of floating shelf is fixed, the of poor quality of balance weighing is exactly the gaseous mass that reduces in the gas cylinder in the process of the test before and after the test.
The present invention shows through actual motion, has improved measurement reliability and precision, and more convenient operation is more convenient for adjusting and is safeguarded, makes the basic skills one balance weight method of consumption of hydrogen fuel measurement amount be able to good realization, has reached design object.
Claims (6)
1. electronic balance weighing auxiliary device for hydrogen cylinder is characterized in that, the consisting of of described device: floating shelf (2) is supported and is driven lifting by four driving stems (3), both are by mating surface (13) combination; Driving stem (3) is fixed on two flat-face followers by the sliding sleeve (5) on the main structure supporting seat (14), and connects two driving stems on each flat-face follower; Cam (10) connects firmly mutually with gear (4) is coaxial, has two cams in the electronic balance weighing auxiliary device, and each cam promotes a flat-face follower; Gear (4) and slide block (6) engagement, slide block (6) meshes with driving screw mandrel (8), and power wheel (7) is coaxial fixing with driving screw mandrel (8); Gear (4) drives slide block (6) rotation after being driven by handwheel; Drive driving screw mandrel (8) by slide block (6) again rotates and moves forward and backward, drive screw mandrel (8) and drive power wheel (7) rotation, the power wheel of both sides (7) is by a driving belt (12) transmission, the driving screw mandrel that drives opposite side rotates, and then drives corresponding gear, cam and the driving stem motion of opposite side; Balance carriage (11) and is installed on the main structure supporting seat (14) by support in anti-bellows, is the balance room (1) of placing balance in balance carriage (11) top;
Between the same floating shelf of described driving stem (3) (2) is separable, and both are by mating surface (13) combination.
2. electronic balance weighing auxiliary device for hydrogen cylinder according to claim 1 is characterized in that, described anti-bellows, and the wallboard of casing is dismantled and assembled, and has better seal; Four jiaos of horizon adjustables of casing are also fixing; The level turnover freedom of gas cylinder can be finished in the space about the casing, and the 100mm free space is left in the top.
3. electronic balance weighing auxiliary device for hydrogen cylinder according to claim 1 is characterized in that, the nut type locking device is housed on the described handwheel.
4. electronic balance weighing auxiliary device for hydrogen cylinder according to claim 1 is characterized in that, the synchronous error＜0.1mm of described two cams (10), lifting travel scope: 0mm～25mm; The lift of cam mechanism is taken as 25mm.
5. electronic balance weighing auxiliary device for hydrogen cylinder according to claim 1 is characterized in that, the overall weight of described floating shelf (2) is not more than 6kg, and the design load amount of floating shelf (2) is 65Kg, and maximum can be carried 70kg.
6. electronic balance weighing auxiliary device for hydrogen cylinder according to claim 1 is characterized in that, the ratio of gear of described servicing unit is: when power wheel (7) rotated for 5 weeks, floating shelf rose or decline 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103040797A CN101470024B (en) | 2007-12-25 | 2007-12-25 | Electronic balance weighing auxiliary device for hydrogen cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103040797A CN101470024B (en) | 2007-12-25 | 2007-12-25 | Electronic balance weighing auxiliary device for hydrogen cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101470024A CN101470024A (en) | 2009-07-01 |
| CN101470024B true CN101470024B (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103040797A Expired - Fee Related CN101470024B (en) | 2007-12-25 | 2007-12-25 | Electronic balance weighing auxiliary device for hydrogen cylinder |
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| Country | Link |
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| CN (1) | CN101470024B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735322B (en) * | 2012-06-05 | 2014-09-03 | 沈阳创原计量仪器有限公司 | Load loading device of mechanics measuring instrument |
| CN105424158B (en) * | 2015-12-30 | 2018-07-17 | 苏州钮曼精密机电科技有限公司 | Counterweight loads and feel trim actuator |
| CN105444850B (en) * | 2015-12-30 | 2018-10-23 | 苏州钮曼精密机电科技有限公司 | Hyperboloid weighting platform leave from office mechanism |
| CN106441539A (en) * | 2016-09-18 | 2017-02-22 | 南京航空航天大学 | Fast weighing balance for logistics and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184924Y (en) * | 1993-10-06 | 1994-12-07 | 北京邮电学院 | Electronic belt weigher driving device |
| CN2231791Y (en) * | 1994-12-17 | 1996-07-24 | 贲道春 | Electronic belt balance with two suspended arms |
| CN2901259Y (en) * | 2006-06-01 | 2007-05-16 | 江苏赛摩集团有限公司 | Electronic belt scale |
-
2007
- 2007-12-25 CN CN2007103040797A patent/CN101470024B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184924Y (en) * | 1993-10-06 | 1994-12-07 | 北京邮电学院 | Electronic belt weigher driving device |
| CN2231791Y (en) * | 1994-12-17 | 1996-07-24 | 贲道春 | Electronic belt balance with two suspended arms |
| CN2901259Y (en) * | 2006-06-01 | 2007-05-16 | 江苏赛摩集团有限公司 | Electronic belt scale |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-180256A 2000.06.30 |
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| Publication number | Publication date |
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| CN101470024A (en) | 2009-07-01 |
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Owner name: TSINGHUA UNIVERSITY SUZHOU AUTOMOBILE RESEARCH INS Free format text: FORMER OWNER: TSINGHUA UNIVERSITY Effective date: 20131225 Owner name: TSINGHUA UNIVERSITY Effective date: 20131225 |
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Effective date of registration: 20131225 Address after: 215134, Suzhou 2358, Changan Road, Wujiang District, Jiangsu 6, Wujiang science and Technology Pioneer Park, 2 floors Patentee after: SUZHOU AUTOMOBILE RESEARCH INSTITUTE, TSINGHUA UNIVERSITY (WUJIANG) Patentee after: Tsinghua University Address before: 100084 Beijing 100084-82 mailbox Patentee before: Tsinghua University |
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Address after: 215200, Suzhou 2358, Changan Road, Wujiang District, Jiangsu 6, Wujiang science and Technology Pioneer Park, 2 floors Patentee after: SUZHOU AUTOMOBILE RESEARCH INSTITUTE, TSINGHUA UNIVERSITY (WUJIANG) Patentee after: Tsinghua University Address before: 215134, Suzhou 2358, Changan Road, Wujiang District, Jiangsu 6, Wujiang science and Technology Pioneer Park, 2 floors Patentee before: SUZHOU AUTOMOBILE RESEARCH INSTITUTE, TSINGHUA UNIVERSITY (WUJIANG) Patentee before: Tsinghua University |
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Granted publication date: 20110629 Termination date: 20191225 |
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