CN204718655U - A kind of portable multi-function flow measurement bar - Google Patents
A kind of portable multi-function flow measurement bar Download PDFInfo
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- CN204718655U CN204718655U CN201520377010.7U CN201520377010U CN204718655U CN 204718655 U CN204718655 U CN 204718655U CN 201520377010 U CN201520377010 U CN 201520377010U CN 204718655 U CN204718655 U CN 204718655U
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- 238000005259 measurement Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 238000005452 bending Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 239000000463 material Substances 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000610628 Trichoptilium incisum Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of portable multi-function flow measurement bar, comprise chassis, test bar and recorder for flow velocity frame, described test bar bottom is provided with circular base plate, circular base plate is vertically provided with hollow cylinder, hollow cylinder bottom and contact position, chassis are provided with screw mandrel, the upper inside wall of hollow cylinder is provided with the first silking, and the centre of hollow cylinder is provided with current meter; Described test bar is provided with scale, the steel pipe composition that test bar more piece diameter successively decreases successively, the bigger steel pipe socket of diameter is located at outside the smaller steel pipe of diameter, test bar bottom cover has the second silking, top is rotatably connected to the recorder for flow velocity frame placing recorder for flow velocity, and recorder for flow velocity is connected with current meter by wire; The accurate positioning of the utility model testing point velocity instrument, precision is higher; Only need 1 people's operation during measurement, decrease manpower and materials and drop into, improve measurement efficiency; Be convenient to dismounting carry, there is the testing river depth of water and feel function by dam root stone.
Description
Technical field
The utility model relates to a kind of measuring equipment, specifically a kind of portable multi-function flow measurement bar.
Background technology
Lower Reaches of The Yellow River is existing draws yellow head works water gate engineering 94, carry in basin and Lower Reaches of The Yellow River Areas along Yellow River 1.4 hundred million population, 2.4 hundred million mu of arable lands, more than 50 big and medium-sized cities and Energy Base water supply task, in recent years, draw the raising that the yellow development pole the earth supplied water facilitates regional agriculture production and living standards of urban and rural residents level, achieve huge social benefit, economic benefit and ecological environment benefit; These sluice adopt flow velocity, bathymetric survey to calculate water diversion flow mostly, and the accuracy of flow velocity, bathymetric survey is directly connected to the precision of water diversion flow, and therefore, the measurement of flow velocity, the depth of water just seems particularly important; At present conventional bathymetric survey method obtains in water gauge reading for utilizing Water rule plate directly to see to read the water surface to cut, if discharge measurement vertical line river bed is out-of-flatness bottom mud or section, uses above-mentioned depth detecting method to be just easy to cause Generating Errors in Water Depth Measurement; Flow velocity test adopts a kind of pole of wooden or irony, carries out testing, adopt plot point method above current meter is suspended on, namely test the speed in the limited reference mark that distributes on vertical line, when this hanging stick not having scale be easy to cause current meter testing point velocity, location is inaccurate, and accuracy is poor; Some survey station hanging sticks are suspended in water by hand-held, can not accomplish to force vertically, be affected by human factors larger, each discharge measurement needs 3 people to carry the measurement apparatus such as Water rule plate, Sounding Rod, velocity rod, current meter, recorder for flow velocity, record folder, electrical lead, just can complete, more loaded down with trivial details, and the testing depth of water and flow velocity while of can not accomplishing on a vertical line, cause discharge measurement to last long, there will be discharge measurement process middle water level variable effect flow accuracy toward contact and be connected current meter and recorder for flow velocity wire by problems such as current thrust; In order to improve discharge measurement precision, except the layout of gaging section measuring point vertical line and the use of current meter meet except hydrology discharge measurement code requirement, also need to solve and how to shorten error and the current meter location whether accurately problem that discharge measurement lasts, how to reduce bathymetric survey, reach the object meeting discharge measurement precision He raise labour efficiency, according to these problems occurred, be badly in need of the discharge measurement bar of a kind of portable inner conductors of can stretching of development.
Utility model content
The purpose of this utility model is that providing a kind of tests for water-drawing gate water diversion flow, the depth of water and current meter positioning error and flow measurement in the test of sluice water diversion flow can be solved and last portable multi-function flow measurement bar that the is long and problem such as labour intensity is large, efficiency is low, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of portable multi-function flow measurement bar, comprise chassis, test bar and recorder for flow velocity frame, described test bar bottom is provided with chassis, chassis is set to circle, the circle centre position of circular base plate is welded with the hollow cylinder vertically arranged, hollow cylinder bottom and contact position, chassis are provided with screw mandrel, and the upper inside wall of hollow cylinder is provided with the first silking, and the centre of hollow cylinder is provided with current meter; Described test bar is provided with scale, test bar is made up of the steel pipe of 2 joint hollow cylindrical structure, the diameter of described steel pipe is respectively 4cm and 3cm, the bigger steel pipe socket of diameter is located at outside the smaller steel pipe of diameter, be bolted between two steel pipes and realize between two steel pipes being slidably connected, diameter is that the steel pipe bottom cover of 4cm has the second silking, and diameter is that the steel pipe top of 3cm is fixed with recorder for flow velocity frame, and recorder for flow velocity frame is rotationally connected with the upper end of test bar; Be placed with recorder for flow velocity in described recorder for flow velocity frame, recorder for flow velocity is electrically connected with the current meter in chassis by the wire be located in steel pipe.
As further program of the utility model: the diameter on described chassis is set to 16cm, employing thickness is that the steel plate of 3mm is made.
As the utility model further scheme: the diameter of described hollow cylinder is 4cm, and height overall is 16cm.
As the utility model further scheme: described screw mandrel diameter is 4cm, be highly 6cm.
As the utility model further scheme: described first silking height is set to 6cm, the second silking and the first silking adaptation.
As the utility model further scheme: described recorder for flow velocity frame adopts 8# bar bending welding processing to form.
As the utility model further scheme: the steel pipe that described test bar is successively decreased successively by 3 joint diameters forms, and is all bolted and is slidably connected all between two between steel pipe.
Compared with prior art, the beneficial effects of the utility model are: the utility model structure is simple, reasonable in design, is convenient to dismounting, use flexibility ratio large; The design on chassis does not affect by irregular bottom bed-silt and section, can not cause water depth error, when adopting the utility model flow measurement, and the accurate positioning of testing point velocity instrument, precision is higher; Need 3 people to work in coordination with compared with measurement with traditional hanging stick flow measurement, when using the utility model to measure, whole process only needs 1 people just can operate, and data are accurate, greatly reduces manpower and materials input, improves measurement efficiency; Be slidably connected between two steel pipes of test bar, realize telescopic adjustment height, be easy to carry, also there is the testing river depth of water and the function such as to feel by dam root stone.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model.
Wherein, 1-chassis; 2-tests bar; 3-recorder for flow velocity frame; 4-hollow cylinder; 5-screw mandrel; 6-first silking; 7-current meter; 8-scale; 9-steel pipe; 10-bolt; 11-second silking; 12-recorder for flow velocity; 13-wire.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1, a kind of portable multi-function flow measurement bar, comprise chassis 1, test bar 2 and recorder for flow velocity frame 3, described test bar 2 bottom is provided with chassis 1, chassis 1 is set to the circle that diameter is 16cm, employing thickness is that the steel plate of 3mm is made, the circle centre position of circular base plate 1 is welded with the hollow cylinder 4 vertically arranged, the diameter of described hollow cylinder 4 is 4cm, height overall is 16cm, it is 4cm that hollow cylinder 4 bottom and contact position, chassis 1 are reserved with diameter, it is highly the screw mandrel 5 of 6cm, the upper inside wall of hollow cylinder 4 is provided with the first silking 6, described first silking height is set to 6cm, the middle 4cm At The Height of hollow cylinder 4 is provided with current meter 7, described test bar 2 is provided with scale 8, test bar is made up of the steel pipe 9 of 2 joint hollow cylindrical structure, the diameter of described steel pipe 9 is respectively 4cm and 3cm, the bigger steel pipe 9 of diameter is set in outside the smaller steel pipe of diameter 9, fix by bolt 10 and realize being slidably connected between two steel pipes 9 between two steel pipes 9, diameter is that the steel pipe 9 bottom cover of 4cm has the second silking 11, diameter is that steel pipe 9 top of 3cm is fixed with recorder for flow velocity frame 3, recorder for flow velocity frame 3 is rotationally connected with the upper end of test bar 2, described recorder for flow velocity frame 3 adopts 8# bar bending welding processing to form, recorder for flow velocity 12 in recorder for flow velocity frame 3 is electrically connected with the current meter 7 in chassis 1 by the wire 13 be located in steel pipe 9.
Principle of work of the present utility model is: when drawing daily requirement flow measurement between yellow delivery period, according to the distance of flow measurement suspension bridge to river bed, regulate the pattern length of test bar 2 two steel pipes 9, be stretched to desired height, fastening by bolt 10, current meter 7 is arranged on chassis 1, again test bar 2 is screwed by the first adaptive silking 6 and the second silking 11 with chassis 1, current meter 7 and recorder for flow velocity 12 are connected wire 13 fix, recorder for flow velocity 12 is placed in the recorder for flow velocity frame 3 on test bar 2 top, rotating recorder for flow velocity frame 3 makes recorder for flow velocity 12 be convenient to observed and recorded, by attaching plug firm plug, namely assembling is completed, first chassis 1 of the present utility model is reached river bed under water during flow measurement, chassis 1 reaches concordant with river bed plane, such test bar 2 just with river bed plane orthogonal, according to the scale 8 on test bar 2, the accurate reading depth of water, point position current meter 7 being placed on required flow measurement is fixed, start velocity registering instrument 12, in certain hour, (being generally 100 seconds) reads point velocity numerical value, being recorded in discharge measurement records on reckoner, a measuring point process completes, continue next measuring point, the like, after measuring all measuring points, according to the depth of water, point velocity and coefficient coordinate computing formula etc. just to draw section flow, the utility model is convenient to install, and whole measuring process only needs one man operation, uses manpower and material resources sparingly.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (7)
1. a portable multi-function flow measurement bar, comprise chassis (1), test bar (2) and recorder for flow velocity frame (3), it is characterized in that: described test bar (2) bottom is provided with chassis (1), chassis (1) is set to circle, the circle centre position of circular base plate (1) is welded with the hollow cylinder (4) vertically arranged, described hollow cylinder (4) bottom and chassis (1) contact position are provided with screw mandrel (5), the upper inside wall of hollow cylinder (4) is provided with the first silking (6), the centre of hollow cylinder (4) is provided with current meter (7), described test bar (2) is provided with scale (8), test bar (2) is made up of the steel pipe (9) of 2 joint hollow cylindrical structure, the diameter of described steel pipe (9) is respectively 4cm and 3cm, the bigger steel pipe (9) of diameter is set in the smaller steel pipe of diameter (9) outward, fixed by bolt (10) between two steel pipes (9) and realize being slidably connected between two steel pipes (9), diameter is that steel pipe (9) the bottom cover of 4cm has the second silking (11), diameter is that steel pipe (9) top of 3cm is fixed with recorder for flow velocity frame (3), recorder for flow velocity frame (3) is rotationally connected with the upper end of test bar (2), recorder for flow velocity (12) is placed with in described recorder for flow velocity frame (3), recorder for flow velocity (12) is electrically connected with the current meter (7) in chassis (1) by the wire (13) be located in steel pipe (9).
2. portable multi-function flow measurement bar according to claim 1, is characterized in that, the diameter of described chassis (1) is set to 16cm, and chassis (1) employing thickness is that the steel plate of 3mm is made.
3. portable multi-function flow measurement bar according to claim 1, is characterized in that, the diameter of described hollow cylinder (4) is 4cm, and height overall is 16cm.
4. portable multi-function flow measurement bar according to claim 1, is characterized in that, the diameter of described screw mandrel (5) is 4cm, is highly 6cm.
5. portable multi-function flow measurement bar according to claim 1, is characterized in that, described first silking (6) is highly set to 6cm, and the second silking (11) is adaptive with the first silking (6).
6. portable multi-function flow measurement bar according to claim 1, is characterized in that, described recorder for flow velocity frame (3) adopts (8) # bar bending welding processing to form.
7. portable multi-function flow measurement bar according to claim 1, it is characterized in that, the steel pipe (9) that described test bar (2) is successively decreased successively by 3 joint diameters forms, and is all fixed by bolt (10) and be slidably connected all between two between steel pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377010.7U CN204718655U (en) | 2015-06-04 | 2015-06-04 | A kind of portable multi-function flow measurement bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377010.7U CN204718655U (en) | 2015-06-04 | 2015-06-04 | A kind of portable multi-function flow measurement bar |
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| Publication Number | Publication Date |
|---|---|
| CN204718655U true CN204718655U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520377010.7U Expired - Fee Related CN204718655U (en) | 2015-06-04 | 2015-06-04 | A kind of portable multi-function flow measurement bar |
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| CN (1) | CN204718655U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587723A (en) * | 2016-03-22 | 2016-05-18 | 朱志冠 | Hydrological telescopic measuring bar and hydrological measuring equipment |
| CN108459174A (en) * | 2018-05-14 | 2018-08-28 | 交通运输部天津水运工程科学研究所 | A kind of auxiliary locator that current meter tests the speed |
| CN111649725A (en) * | 2020-04-17 | 2020-09-11 | 黄河水利委员会山东水文水资源局 | A multifunctional portable sounding rod |
| CN116125097A (en) * | 2022-09-08 | 2023-05-16 | 浙江省水文管理中心 | Pressure type portable direct-reading speed measuring rod capable of automatically positioning water depth of measuring point |
-
2015
- 2015-06-04 CN CN201520377010.7U patent/CN204718655U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587723A (en) * | 2016-03-22 | 2016-05-18 | 朱志冠 | Hydrological telescopic measuring bar and hydrological measuring equipment |
| CN108459174A (en) * | 2018-05-14 | 2018-08-28 | 交通运输部天津水运工程科学研究所 | A kind of auxiliary locator that current meter tests the speed |
| CN111649725A (en) * | 2020-04-17 | 2020-09-11 | 黄河水利委员会山东水文水资源局 | A multifunctional portable sounding rod |
| CN116125097A (en) * | 2022-09-08 | 2023-05-16 | 浙江省水文管理中心 | Pressure type portable direct-reading speed measuring rod capable of automatically positioning water depth of measuring point |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20160604 |