CN208984076U - Hydrology low water level high flow rate water gauge - Google Patents
Hydrology low water level high flow rate water gauge Download PDFInfo
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- CN208984076U CN208984076U CN201821876309.7U CN201821876309U CN208984076U CN 208984076 U CN208984076 U CN 208984076U CN 201821876309 U CN201821876309 U CN 201821876309U CN 208984076 U CN208984076 U CN 208984076U
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- water level
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Abstract
The utility model relates to a kind of hydrology low water level high flow rate water gauges, including metal shell, it is characterized in that: being equipped with water level indicating arm inside metal shell, water level probe, drive water level indicating arm and water level probe heterodromous transmission mechanism in vertical direction, metal shell lower end surface is separately fixed with hook-shaped supporter, metal shell top is equipped with amplification scale, the position of the corresponding amplification scale of metal shell is equipped with the vertical channel for water level indicating arm uplink, the stroke of water level probe is the 1/N of the water level instruction throw of lever, water level probe is by metal needle body, metal-coating, insulating layer composition, metal needle body is connected after connecting with work light with battery cathode, metal-coating is connected with after indicator light series connection of transfiniting with battery cathode, anode is connected with metal shell.Its device is simple, and measurement accuracy is high, overcomes existing water gauge measurement error as caused by hammed water and naked-eye observation and human error, guarantees the accuracy of testing data, so that flow measurement work more standardizes.
Description
Technical field
The utility model relates to hydrologic survey water gauge, especially a kind of hydrology low water level high flow rate water gauge, especially suitable for
Water-depth measurement under low water level conditions of high flow rate.
Background technique
Hydrologic survey is an important component of hydrlolgic work, is a national important element task, in water conservancy
It is all played an important role in planning, Hydraulic Projects implementation management, flood-control and drought relief, water resources management and protection work.Flow velocity area
Method is a kind of method for measuring flow, is made of measurement flow velocity and the work of discharge section area two parts, according to cross-sectional flow point
Cloth seeks calculation flow, i.e., usually finds out flow velocity using current meter or buoy, measure the depth of water using water gauge, to entire gaging section product
Point, to obtain outflow.
Wherein, being sounded the depth of the water using water gauge has many advantages, such as that ability that is easy to operate, high-efficient, adapting to mal-condition is stronger,
It is that complete control discharge process, accurate calculating water sand total amount, analysis stage discharge relation and hydrological data are whole in discharge measurement
Volume provides reliable basis.But existing water gauge usually has the following problems in actual operation:
1, existing hydrology water gauge is wider, rough surface, cause hammed water cause to read it is higher, in high flow rate or low water level condition
Under can cause large error.The existing water gauge in hydrometric station generallys use the graduated plank of mark or rod, and current obstruction area is relatively large,
Water flow can harmony certain altitude when passing through water gauge.In the faster situation of flow velocity, flow velocity is faster, and error is bigger；It is relatively low in water level
In the case of, water level is lower, and error is bigger.
2, existing hydrology water gauge is marked using scale, and precision is lower, and observation error is larger.The existing water gauge in hydrometric station is usually adopted
With graduated plank or rod is marked, mark scale is typically only capable to be accurate to millimeter, can cause under the conditions of low water level larger
Error, and sound the depth of the water usually by tester naked-eye observation, there are biggish human errors.
Velocity_area method is a kind of method of most common measurement flow in actual operation, and water gauge is utilized to measure the depth of water
It is an essential ring in hydrologic survey, but under low water level or the hydrologic condition of high flow rate, existing water gauge can cause larger
Error, seriously affect the measurement accuracy of the depth of water, the application is proposed aiming at problems above.
Summary of the invention
The purpose of this utility model is to provide for a kind of hydrology low water level high flow rate water gauge to solve the above problems,
Device is simple, and measurement accuracy is high, overcomes existing water gauge measurement error as caused by hammed water and naked-eye observation and human error
Big defect guarantees the accuracy of testing data, so that flow measurement work more standardizes.
The technical solution of the utility model is:
A kind of hydrology low water level high flow rate water gauge, including metal shell, are characterized in that: setting inside the metal shell
There are water level indicating arm, water level probe, driving water level indicating arm and water level probe heterodromous transmission mechanism in vertical direction,
The metal shell lower end corresponds to water level probe downstream position and sets insulation sleeve equipped with through-hole and in through hole, under the metal shell
End face corresponds to through-hole outer fix and is separately fixed with hook-shaped supporter, and the metal shell outer surface of upper is equipped with vertical arrangement and will
Practical scale amplifies N times of amplification scale, and the position of the corresponding amplification scale of the metal shell is from top to bottom equipped with to be referred to for water level
Show that the vertical channel of bar uplink, the stroke of the water level probe are the 1/N of the water level instruction throw of lever, is separately set in the metal shell
Have a battery, metal shell outer surface is equipped with work light and the indicator light that transfinites, the water level probe by metal needle body, metal outside
The insulating layer cover, being sandwiched between the two forms, and the lower end of the metal needle body leans out metal-coating, and metal needle body and work indicate
It is connected after lamp string connection with battery cathode, the metal-coating is connected with after indicator light series connection of transfiniting with battery cathode, the battery
Anode is connected with metal shell.
Above-mentioned hydrology low water level high flow rate water gauge, the height of the bending part of the hook-shaped supporter are that amplification scale is long
The 1/N of degree.
Above-mentioned hydrology low water level high flow rate water gauge, the transmission mechanism by be supported in metal shell driving gear,
It is coaxial with driving gear and engaged with the rack structure on water level indicating arm driving gear I, be supported in metal shell and with
Driven gear, and the driving gear II that with rack structure water level probe on engages coaxial with driven gear of driving gear engagement
Composition, axis outer end where the driving gear are fixed with hand rotating handle, and the driving gear drives gear I and drives gear II's
Diameter is equal and is the 1/N of driven gear diameter.
Above-mentioned hydrology low water level high flow rate water gauge, the lower end of the metal needle body leans out metal-coating 1mm, first to contact
The water surface.
Above-mentioned hydrology low water level high flow rate water gauge, the bending part of the hook-shaped supporter is C-shaped, and surface is smooth,
The open side of bending part is opposite with water (flow) direction to be measured, avoids hammed water.
The numerical value of above-mentioned hydrology low water level high flow rate water gauge, the amplification scale is from top to bottom sequentially increased.
Above-mentioned hydrology low water level high flow rate water gauge, N=5.
The beneficial effects of the utility model are:
1. cooperating using water level probe and hook-shaped supporter, current obstruction area is greatly reduced, overcomes existing water gauge resistance
Water area is big, rough surface leads to error caused by hammed water, improves measurement accuracy.
2. using transmission mechanism Enlargement Design, is conducted using gear set, amplify the amplitude of variation of water level probe, reduction is applied
Human error caused by survey personnel's naked-eye observation improves measurement accuracy.
3. being designed using indicator light, easy to operate, intuitive display result.Only work light lights, and illustrates water level probe
Just contacted with the water surface；Work light lights simultaneously with the indicator light that transfinites, and illustrates that water level transfinites, and need to adjust water level probe in time
Highly.Tester can determine water level probe down position in time, avoid entering because of probe water it is too deep caused by measurement error, mention
High measurement accuracy.
4. after the utility model comes into operation, overcoming existing water gauge and measuring and seeing under low water level conditions of high flow rate
Large error caused by two links is surveyed, so that flow measurement work more standardizes, guarantees the accuracy of testing data, ensures water
Text work orderly carries out.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the water level indicating arm of the utility model and the fit structure schematic diagram of metal shell and driving gear I；
Fig. 4 is the water level probe of the utility model and the fit structure schematic diagram of metal shell and transmission mechanism；
Fig. 5 is the use state diagram of the utility model；
Fig. 6 is the top view on metal shell top；
Fig. 7 is the sectional view of water level probe lower end.
In figure: 1. metal shells, 2. driving gears, 3. hand rotating handles, 4. driven gears, 5. driving gear II, 6. water levels are visited
Needle, 601. metal needle bodies, 602. insulating layers, 603. metal-coatings, 7. insulation sleeves, 8. hook-shaped supporters, 9. water level indicating arms,
10. driving gear I, 11. amplification scales, 12. vertical channels, 13. work lights, 14. are transfinited indicator light, 15. batteries.
Specific embodiment
As shown in Fig. 1-Fig. 7, the hydrology low water level high flow rate water gauge, including metal shell 1, wherein the metal shell 1
Inside is equipped with water level indicating arm 9, water level probe 6, driving water level indicating arm 9 and the counter motion in vertical direction of water level probe 6
Transmission mechanism.
1 lower end of metal shell corresponds to 6 downstream position of water level probe equipped with through-hole and sets insulation sleeve 7, institute in through hole
It states 1 lower end surface of metal shell and corresponds to through-hole outer fix and be separately fixed with hook-shaped supporter 8.1 outer surface of upper of metal shell
Amplify N times of amplification scale 11, the position of the corresponding amplification scale 11 of the metal shell 1 equipped with vertical arrangement and by practical scale
It is from top to bottom equipped with the vertical channel 12 for 9 uplink of water level indicating arm, the stroke of the water level probe 6 is 9 row of water level indicating arm
The 1/N of journey, the height of the bending part of the hook-shaped supporter 8 are to amplify the 1/N of 11 length of scale.
The transmission mechanism is by the driving gear 2, coaxial with driving gear 2 and refer to water level that is supported in metal shell 1
That show the rack structure engagement on bar 9 driving gear I10, the driven tooth that is supported in metal shell 1 and engages with driving gear 2
Wheel 4, driving gear II5 coaxial with driven gear 4 and engaging with the rack structure on water level probe 6 are formed, the driving tooth
Take turns 2 place axis outer ends and be fixed with hand rotating handle 3, the driving gear 2, driving gear I10 it is equal with the driving diameter of gear II5 and
For the 1/N of 4 diameter of driven gear.
Battery 15 is additionally provided in the metal shell 1,1 outer surface of metal shell is equipped with work light 13 and instruction of transfiniting
Lamp 14, the water level probe 6 is made of metal needle body 601, metal-coating 603, the insulating layer 602 being sandwiched between the two, described
The lower end of metal needle body 601 leans out metal-coating 603, metal needle body 601 connect with work light 13 after with 15 cathode of battery
It is connected, the metal-coating 603 is connected after connecting with the indicator light 14 that transfinites with 15 cathode of battery, 15 anode of battery and metal
Shell 1 is connected.
In the present embodiment, N=5.The lower end of the metal needle body 601 leans out 603 1mm of metal-coating, first to contact water
Face.The bending part of the hook-shaped supporter 8 is C-shaped, and the open side of bending part is opposite with water (flow) direction to be measured, avoids harmony
Water.The bending part surface of the hook-shaped supporter 8 is smooth surface, with the frictional force between reduction and water body.Metal shell 1 is
Aluminum alloy casing, the position that water level indicating arm 9 is corresponded in metal shell 1 are equipped with vertical slideway, and the vertical slideway and amplification are marked
Vertical channel 12 at ruler 11 is connected to, and vertical slideway has guiding and clamping action to water level indicating arm 9, only in driving gear
Water level indicating arm 9 could be moved along slideway under the driving of I10.The position that water level probe 6 is corresponded in metal shell 1 is equipped with vertical cunning
Road has guiding and clamping action to water level probe 6, and only water level probe 6 could be along slideway under the driving of driving gear II5
It is mobile.
In the present embodiment, the range of amplification scale 11 is 8cm, and numerical value is from top to bottom sequentially increased, and amplifies the reality of scale 11
Border length is 40cm.The height of hook-shaped 8 bending part of supporter is 8cm.Before measurement, 6 lower end of water level probe and hook-shaped supporter 8
The vertex of bending part is concordant, i.e., the vertical distance of the lower extreme point of 6 lower end of water level probe to hook-shaped 8 bending part of supporter is 8
The top of cm, water level indicating arm 9 are concordant with the amplification 8cm mark of scale 11.
Working principle:
Hook-shaped supporter 8 is inserted into water and arranges along water (flow) direction when sounding the depth of the water by water gauge, flat with water (flow) direction
Row then drives gear I10 to rotate and drives 9 uplink of water level indicating arm at this point, rotation hand rotating handle 3 drives driving gear 2 to rotate,
Meanwhile driven gear 4 rotates and drives driving gear II5 rotation, driving gear II5 drives 6 downlink of water level probe, when water level is visited
The water surface is extended under needle 6, is connected to the metal needle body 601 and metal shell 1 of water level probe 6, then work light 13 lights, and reminds work
Make 6 lower end of personnel's water level probe to the water surface, stop rotating hand rotating handle 3, and 9 upper end of water level indicating arm is in the position of amplification scale 11 at this time
It sets and shows the depth of water；If the excessive rotation of hand rotating handle 3, metal-coating 603 are contacted with the water surface, are connected to outside metal-coating 603 and metal
Shell 1, reminds staff's water level probe 6 to be displaced excess, in order to which staff reversely rotates in time by the indicator light that transfinites bright 14
Hand rotating handle 3 guarantees the accuracy of acquisition data until only one work light 13 lights.
Claims (7)
1. a kind of hydrology low water level high flow rate water gauge, including metal shell, it is characterised in that: be equipped with water inside the metal shell
Position indicating arm, water level probe drive water level indicating arm and water level probe heterodromous transmission mechanism in vertical direction, described
Metal shell lower end corresponds to water level probe downstream position equipped with through-hole and sets insulation sleeve, the metal shell lower end surface in through hole
Corresponding through-hole outer fix is separately fixed with hook-shaped supporter, and the metal shell outer surface of upper is equipped with vertical arrangement and will be practical
Scale amplifies N times of amplification scale, and the position of the corresponding amplification scale of the metal shell is from top to bottom equipped with for water level indicating arm
The vertical channel of uplink, the stroke of the water level probe are the 1/N of the water level instruction throw of lever, are additionally provided with electricity in the metal shell
Pond, metal shell outer surface are equipped with work light and transfinite indicator light, the water level probe by metal needle body, metal-coating,
It is sandwiched in insulating layer composition between the two, the lower end of the metal needle body leans out metal-coating, metal needle body and work light
It is connected after series connection with battery cathode, the metal-coating is connected with after indicator light series connection of transfiniting with battery cathode, and the battery is just
Pole is connected with metal shell.
2. hydrology low water level high flow rate water gauge according to claim 1, it is characterised in that: the bending of the hook-shaped supporter
Partial height is to amplify the 1/N of length of the scale.
3. hydrology low water level high flow rate water gauge according to claim 1, it is characterised in that: the transmission mechanism is by being supported in
Driving gear in metal shell, it is coaxial with driving gear and engaged with the rack structure on water level indicating arm driving gear I,
Be supported in metal shell and engaged with driving gear driven gear, it is coaxial with driven gear and with the rack gear on water level probe
The driving gear II composition of structure engagement, axis outer end is fixed with hand rotating handle, the driving gear, driving where the driving gear
Gear I is equal with the driving diameter of gear II and is the 1/N of driven gear diameter.
4. hydrology low water level high flow rate water gauge according to claim 1, it is characterised in that: visit the lower end of the metal needle body
Metal-coating 1mm out.
5. hydrology low water level high flow rate water gauge according to claim 1, it is characterised in that: the bending of the hook-shaped supporter
Part is C-shaped, and surface is smooth, and the open side of bending part is opposite with water (flow) direction to be measured.
6. hydrology low water level high flow rate water gauge according to claim 1, it is characterised in that: it is described amplification scale numerical value by
It is sequentially increased under.
7. hydrology low water level high flow rate water gauge according to claim 1, it is characterised in that: N=5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821876309.7U CN208984076U (en) | 2018-11-15 | 2018-11-15 | Hydrology low water level high flow rate water gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821876309.7U CN208984076U (en) | 2018-11-15 | 2018-11-15 | Hydrology low water level high flow rate water gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208984076U true CN208984076U (en) | 2019-06-14 |
Family
ID=66791002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821876309.7U Expired - Fee Related CN208984076U (en) | 2018-11-15 | 2018-11-15 | Hydrology low water level high flow rate water gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208984076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289768A (en) * | 2020-03-25 | 2020-06-16 | 南京管科智能科技有限公司 | Flexible electronic water gauge and method for measuring flow velocity by using same |
-
2018
- 2018-11-15 CN CN201821876309.7U patent/CN208984076U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289768A (en) * | 2020-03-25 | 2020-06-16 | 南京管科智能科技有限公司 | Flexible electronic water gauge and method for measuring flow velocity by using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190614 Termination date: 20191115 |