CN203587146U - Open channel water gaging meter - Google Patents
Open channel water gaging meter Download PDFInfo
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- CN203587146U CN203587146U CN201320279252.3U CN201320279252U CN203587146U CN 203587146 U CN203587146 U CN 203587146U CN 201320279252 U CN201320279252 U CN 201320279252U CN 203587146 U CN203587146 U CN 203587146U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000008859 change Effects 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 description 28
- 238000000034 method Methods 0.000 description 8
- 239000003621 irrigation water Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000002262 irrigation Effects 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 4
- 241000372132 Hydrometridae Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
一种明渠量水水表，在测桥下方装有水平轨道，竖直的轴套可在水平轨道滑动，轴套内有传动轴，传动轴通过连接架与浮子连接，连接架上装有下射式水轮，下射式水轮连接齿轮，与水轮同轴的齿轮与传动齿轮啮合，传动齿轮连接传动轴，穿过轴套的传动轴顶端装有摩擦轮，摩擦轮外侧与锥形的无极变速轮外侧摩擦接触，无极变速轮轴的顶端与水表表芯连接。结构简单，使用方便，成本低，计量相对准确，计量读数直观，不受水中泥沙等杂质影响。
A water meter for measuring water in an open channel. A horizontal track is installed under the measuring bridge. A vertical shaft sleeve can slide on the horizontal rail. There is a transmission shaft inside the shaft sleeve. The transmission shaft is connected to the float through a connecting frame. The water wheel, the down-shooting water wheel is connected to the gear, and the gear coaxial with the water wheel meshes with the transmission gear. The outer side of the speed change wheel is in frictional contact, and the top of the continuously variable speed wheel shaft is connected with the water meter core. The structure is simple, the use is convenient, the cost is low, the measurement is relatively accurate, the measurement reading is intuitive, and it is not affected by impurities such as sediment in the water.
Description
Technical field
The utility model belongs to water gauging table, particularly a kind of water flow of open canal water meter.
Background technology
Due to water scarcity, using water wisely has become the common recognition of the whole society.With first agricultural irrigation water, to water cost, phase in, there has been raising by a relatively large margin in the Agricultural Irrigation Water Price past, and water user peasant and water-supplying unit irrigated area are more and more paid attention to agricultural irrigation water water consumption measurement.
The open channel of field irrigation water delivery, has a large capacity and a wide range, and open-channel flow fluidised form is subject to environment and water quality impact, changes very complicatedly, and the open channel water yield is measured and causes very large difficulty.The widely used measuring structure method that is still in water flow of open canal at present, as flume, weir etc., this water gaging method, the water-measuring device needing, is easy to build, not high to flow conditional request, widely applicable, and cheap.But these class methods are by measuring water level, through complicated calculating, just can show that channel crosses the water water yield.Due to the calculating of needs complexity, for the peasant who there is no professional knowledge, even many water conservancy management personnel are also that so it is very not directly perceived that the method seems, so usually cause in irrigation process, meterage is still carried out with area in many places.On the other hand, in irrigation process, channel divides water or water source to change, and canal middle water level usually changes, and needs observed stage frequently, and to irrigation water, metering puts to no little inconvenience, and causes very large error in dipping simultaneously.
Use in addition open channel supercritical ultrasonics technology water gaging, this water gaging method is subject to water quality impact less, and water gaging precision is high, but its equipment cost investment cost is expensive, and every place generally all wants more than ten thousand yuan.
Adopt in addition open channel water meter water gaging, have several forms:
(1) divide flowmeter
By Venturi tube (supervisor) and arm that water meter is housed, formed.Utilize supervisor to conform to arm pressure reduction, and pressure reduction is directly proportional to master, arm flow square root, leads, the throughput ratio (M) of arm is constant, the water meter water amount that is installed on arm by record is multiplied by throughput ratio (M) measures channel water flow.This equipment is through the test of Shandong Province water conservancy department, and precision can reach more than 95%, and cost is low, is easy to construction, and meter is read conveniently.But be subject to water quality impact larger, in water, contain silt, foreign material etc., can have a strong impact on measuring accuracy.In addition, a minute flowmeter must be equipped with supervisor, and generation channel is choked water, and this is also with the same deadly defect of other water gaging method.
(2) QL-1 Water flowmeter for small water irrigation ditches
QL-1 Water flowmeter for small water irrigation ditches is mainly comprised of water wheels, water wheel axle, metering unit (can adopt domestic use of water watch core) etc.Be arranged on the cover plate of channel Fixed Sections, water wheels rotate with current, and promote spindle synchronous rotation, and main shaft top connects count table gear rotatable parts rotates, and writes down water wheels revolution, is multiplied by stoichiometric coefficient and can be converted into the water yield.
The setting height(from bottom) of its watermeter, water wheels height is definite value, near the water level of 70% left and right of design discharge of canal.Have two kinds of mounting meanss, a kind of is culvert pipe formula, and a kind of is side fraction.
This flowmeter has been realized the metering of open channel water meterization, and it is simple in structure, easy for installation.Its shortcoming is: 1 pair of culvert pipe formula is installed, and because there being culvert pipe throttling element, causes channel to choke water; 2 offside fractions are installed, and because fixing power wheel position, with the depth of water, do not change, and cause stoichiometric coefficient to change with discharge section area, cause using inconvenience; No matter 3 be that culvert pipe formula is installed, or the installation of side fraction, because the water wheels as power wheel are below the water surface, still can produce pasture and water foreign material and be wound around problem.
Utility model content
Technical problem to be solved in the utility model is: a kind of water flow of open canal water meter is provided.For the problem existing in current existing water flow of open canal water meter: (1) is subject in water the impurity effects such as silt larger, and (2) cause choking water, and the metering of (3) reading is not directly perceived etc.A kind of open channel water meter water measure equipment is proposed.
The technical solution of the utility model is:
A kind of water flow of open canal water meter, it is characterized in that: a fixedly survey bridge that is seated in open channel top, below surveying bridge, horizontal rail is housed, a vertical axle sleeve is contained in horizontal rail, vertical axle sleeve can slide in horizontal rail, in axle sleeve, there is transmission shaft, transmission shaft is connected with float by link, down-ejection type water wheels are housed on link, down-ejection type water wheels connect the gear coaxial with water wheels, the gear that vertical water wheels are coaxial and the engagement of the transmission gear of level, the transmission gear of the level connection for transmission axle that makes progress, friction pulley is equipped with on transmission shaft top through axle sleeve, outside rubbing contact is taken turns with the electrodeless variable-speed of taper in friction pulley outside, the electrodeless variable-speed wheel shaft of electrodeless variable-speed wheel is contained in fixing survey on bridge by bearing, the top of electrodeless variable-speed wheel shaft is connected with water meter watch core.
The utility model effect is:
Simple in structure, easy to use, cost is low, measures relatively accurately, and metering reading is directly perceived, is not subject to the impurity effect such as silt in water.
Accompanying drawing explanation
Fig. 1 is the structural representation of water flow of open canal water meter.
In figure: 1 float, 2 down-ejection type water wheels, 3 gears coaxial with water wheels, 4 transmission gears, 5 transmission shafts, 6 friction pulleys, 7 axle sleeves, 8 links, 9 tracks, 10 electrodeless variable-speed wheel shafts, 11 electrodeless variable-speeds wheels, 12 water meter watch cores, 13 survey bridges.
Embodiment
A kind of water flow of open canal water meter as shown in the figure, a fixedly survey bridge 13 that is seated in open channel top, below surveying bridge, horizontal rail is housed, a vertical axle sleeve is contained in horizontal rail, vertical axle sleeve can slide in horizontal rail, in axle sleeve, there is transmission shaft, transmission shaft is connected with float by link, down-ejection type water wheels are housed on link, down-ejection type water wheels connect the gear coaxial with water wheels, the gear that vertical water wheels are coaxial and the engagement of the transmission gear of level, the transmission gear of the level connection for transmission axle that makes progress, friction pulley is equipped with on transmission shaft top through axle sleeve, outside rubbing contact is taken turns with the electrodeless variable-speed of taper in friction pulley outside, the electrodeless variable-speed wheel shaft of electrodeless variable-speed wheel is contained in fixing survey on bridge by bearing, the top of electrodeless variable-speed wheel shaft is connected with water meter watch core.
Specific embodiment:
QWJ-1 water flow of open canal water meter structure parts comprise following several part, see schematic diagram:
(1) the down-ejection type water wheels 2 that link together with float 1, with the gear 3 of water wheels 2 coaxial rotation, by float effect, the axle of water wheels 2 is all the time a little more than the water surface, and changes and fluctuate with canal middle water level.
(2) be fixed on transmission gear 4 and the friction pulley 6 at transmission shaft 5 two ends, transmission gear 4 is connected with a joggle with gear 3, and friction pulley 6 utilizes rubbing action connection for transmission with electrodeless variable-speed wheel 11.
(3) the axle sleeve 7 of fixed conveyor axle 5, axle sleeve 7 can be along track 9 along water (flow) direction horizontal slip.Transmission shaft both can slide up and down in axle sleeve 7, rotatable again.
(4) connection for transmission axle 5 and float 1 are connected on link 8.
(5) electrodeless variable-speed is taken turns 11 axle 10.
(6) water meter watch core 12(can use domestic water meter watch core).
(7) survey bridge 13.
(1) invention parts: arc buncher
(2) primary structure:
The vertical movement that the down-ejection type water wheels 2 that the first, can make to be fixedly connected with float 1, gear 3, transmission gear 4, transmission shaft 5 and 6 five parts of friction pulley change with canal middle water level simultaneously, tangential movement along water (flow) direction, and the motion of three directions of rotation of carrying out with current by runner 2 gathers together, a whole set of structure of simultaneously carrying out.
The second, the electrodeless variable-speed transmission of being undertaken by rubbing action between friction pulley 6 and electrodeless variable-speed wheel 11.
Connecting relation and the course of work:
The main connecting relation of QWJ-1 type water flow of open canal water meter:
(1) down-ejection type water wheels 2 are coaxial connections with gear 3, and are fixedly connected with float 1.Transmission gear 4 is coaxially connected with wheel 3, coaxial rotation.By axle sleeve 7, make 2,3,4,5 and 6 five parts do tangential movement along track 9, by float 1, with the depth of water, change and do vertical movement, can rotate with current again simultaneously.
(2) by the tangential movement of friction pulley 6 parts such as grade, friction pulley 6 and electrodeless variable-speed wheel 11 are tightly combined, realized electrodeless variable-speed transmission.
(3) electrodeless variable-speed wheel 11 is fixed on the axles 10 of surveying on bridge 13 and supports, and with water meter 12 coaxial rotation, by water meter, record its revolution.
The QWJ-1 type water flow of open canal water meter course of work is as follows:
This water meter is installed on to channel comparatively straight, and in the canal section of section rule.In the course of work, water wheels 2 are under water impact and rotate, and driven gear 3 thus, and by gear drive, gear 3 band nutating gears 4 rotate, then by transmission shaft 5, drive friction pulley 6 to rotate.By electrodeless variable-speed wheel 11, drive water meter to rotate.In the situation that canal middle water level is constant, the ratio of gear from water wheels 2 to water meter 12 is constant, and therefore, when in canal, water velocity is fast, it is also fast that water meter turns, and shows that water flow is large, otherwise, show that water flow is little.
When channel water flow reduces, not only in channel, flow rate of water flow reduces, and causes water meter rotating speed to reduce, and the depth of water also reduces in canal, water wheels 2 move downward with float 1, and friction pulley 6 is glided along wheel 11 surface of contact, the diameter of taking turns 11 contact positions becomes large, and this also causes stepless change wheel 11 rotating speeds to diminish.Otherwise when in channel, water flow increases, flow rate of water flow increases, make water meter faster rotational speed, meanwhile, water wheels 2 grades move upward with float 1, make friction pulley 6 along the surface of contact upward sliding with stepless change wheel 11, make to take turns 11 diameter and diminish, also make water meter faster rotational speed.As can be seen here, this water measure equipment organically combines flow rate of water flow and the depth of water to the impact of water flow size, and with water meter form, reflects the water number amount of crossing of channel.
Major function and situation
QWJ-1 type water flow of open canal water meter, with the comparison of existing water flow of open canal water meter, tool has the following advantages:
(1) runner shaft, more than the water surface, therefore can greatly alleviate foreign material in water and be wound around problem.
(2) select the canal section that channel is straight and section is regular, water meter is installed, need in channel, not build specialized facilities, therefore can not produce canal silting and channel is choked water because of water gaging.
(3) afflux speed and the depth of water change in buncher one, represent the water number amount of crossing of channel with water meter.
(4) QWJ-1 open channel water meter can be made into portablely, through reasonably connecting, realizes combination and installs.
The utility model is the device for Irrigation Water management open channel water meter water gaging.This device is for existing water flow of open canal water meter: (1) is subject in water the impurity effect such as silt, weeds larger, the problem such as (2) cause channel to be choked water, and (3) metering reading is not directly perceived, and (4) precision is low.A kind of open channel water meter water measure equipment is proposed.Its principal character is: (1) all runner shafts are all more than the water surface; (2) need in channel, not build throttling facility; (3) utilize electrodeless variable-speed kinematic train, flow velocity and the depth of water are changed to the impact on ditch water flow size, organically combine, and on water meter, demonstrate accordingly the water number amount of crossing of channel.
Claims (1)
1. a water flow of open canal water meter, it is characterized in that: a fixedly survey bridge that is seated in open channel top, below surveying bridge, horizontal rail is housed, a vertical axle sleeve is contained in horizontal rail, vertical axle sleeve can slide in horizontal rail, in axle sleeve, there is transmission shaft, transmission shaft is connected with float by link, down-ejection type water wheels are housed on link, down-ejection type water wheels connect the gear coaxial with water wheels, the gear that vertical water wheels are coaxial and the engagement of the transmission gear of level, the transmission gear of the level connection for transmission axle that makes progress, friction pulley is equipped with on transmission shaft top through axle sleeve, outside rubbing contact is taken turns with the electrodeless variable-speed of taper in friction pulley outside, the electrodeless variable-speed wheel shaft of electrodeless variable-speed wheel is contained in fixing survey on bridge by bearing, the top of electrodeless variable-speed wheel shaft is connected with water meter watch core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320279252.3U CN203587146U (en) | 2013-05-21 | 2013-05-21 | Open channel water gaging meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320279252.3U CN203587146U (en) | 2013-05-21 | 2013-05-21 | Open channel water gaging meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587146U true CN203587146U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320279252.3U Expired - Fee Related CN203587146U (en) | 2013-05-21 | 2013-05-21 | Open channel water gaging meter |
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| Country | Link |
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| CN (1) | CN203587146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989784A (en) * | 2017-04-28 | 2017-07-28 | 赛德艾合买提·吾加买提 | automatic water meter |
-
2013
- 2013-05-21 CN CN201320279252.3U patent/CN203587146U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989784A (en) * | 2017-04-28 | 2017-07-28 | 赛德艾合买提·吾加买提 | automatic water meter |
| CN106989784B (en) * | 2017-04-28 | 2023-09-05 | 赛德艾合买提·吾加买提 | automatic water meter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20140521 |