CN207036184U - A kind of plant without storage's water-drawing channel flow rate-measuring device - Google Patents
A kind of plant without storage's water-drawing channel flow rate-measuring device Download PDFInfo
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- CN207036184U CN207036184U CN201721032377.0U CN201721032377U CN207036184U CN 207036184 U CN207036184 U CN 207036184U CN 201721032377 U CN201721032377 U CN 201721032377U CN 207036184 U CN207036184 U CN 207036184U
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- China
- Prior art keywords
- water
- drawing channel
- crossbeam
- flow rate
- measuring device
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Abstract
The utility model provides a kind of plant without storage's water-drawing channel flow rate-measuring device, including stand column and beam, and it is arranged on the slide rail on crossbeam top, lifting motor is provided with slide rail, lifting motor connects current meter by steel wire rope, and the lifting of current meter is realized by lifting motor, realizes the movement of lifting motor and then drive current meter transverse shifting by slide rail, so as to realize the measurement of rate of flow of multiple measuring points, the flow of water-drawing channel can be tried to achieve with reference to section configuration.The utility model is simple in construction, simple to operate, can improve and calculate determination efficiency and precision.
Description
Technical field
The present invention relates to a kind of hydraulic engineering power station survey tool, is more specifically a kind of plant without storage's diversion
Channel flow amount determining device.
Background technology
Plant without storage's generally use water-drawing channel diversion and power, water-drawing channel generally connect forebay, power station
Turbine-generator units are directly from forebay diversion and power, because forebay regulation performance is poor, most of plants without storage
Keep the water level of the frontal pool constant in the process of running, and flow is quoted using the actual flow of water-drawing channel as generating electricity, this fortune
Line mode makes the water in power station, and the water level of the frontal pool remains unchanged, and power station runnability is good, in Practical Project with keeping balancing with water
In be used widely.
For being run for plant without storage, operation of the Accurate Determining water-drawing channel flow for power station has important work
With, but more power generation situations by power station coordinate the water level of the frontal pool change to carry out channel in the peace actual motion of small hydropower station at present
The judgement of incoming, this to judge to change based on the water level of the frontal pool, error in judgement is larger, and measurement of rate of flow dress is also equipped with some areas
Put, depend on artificial progress measurement of rate of flow, human error is big.
The content of the invention
Based on above-mentioned technical problem, the utility model provides a kind of plant without storage's water-drawing channel flow measurement
Device, including the column positioned at water-drawing channel both sides, the column are fixed in pedestal, and pedestal is fixedly installed on water-drawing channel two
Side, the column upper end are fixedly installed crossbeam, and the crossbeam is fixedly installed across whole water-drawing channel, the crossbeam top
Slide rail, crossbeam are respectively arranged with left limit plate and right limit plate at slide rail both ends, it is characterised in that：The water-drawing channel flow
Measure device also includes the lifting motor that is moved on the slide rail, one end of lifting motor connecting steel wire ropes, steel wire rope it is another
One end is connected with current meter, and the lifting motor is by the lifting of steel wire rope coutroi velocity instrument, and by lifting motor in slide rail
On left and right directions of the mobile coutroi velocity instrument in water-drawing channel cross section move, pass through the lifting of current meter and left and right directions and move
If the actual flow velocity done of the dynamic water-drawing channel section for obtaining column place section part, and combine the actual chi of the section
It is very little, carry out the measure of water-drawing channel flow.
Preferably, if described do as the positive integer point more than 5 points.
Preferably, the column, crossbeam are steel construction, its connected mode is fixedly connected for welding or bolt.
Preferably, when being fixedly connected using bolt, bolt hole is preset with column and crossbeam, bolt is described in
After bolt hole, tightening nuts are fixedly connected.
Preferably, the left limit plate and the right limit plate are steel construction, highly more than lifting motor in slide rail
On height, thickness is not less than 3cm, and the mode of being connected by screw bolts is fixed on crossbeam.
Preferably, the pedestal is steel construction, generally cube structure, its surrounding is respectively arranged with four side plates,
Four side plate bottoms are provided with flange folded plate, and the flange folded plate is vertical with side plate, and every on four flange folded plates
It is individual to be provided with two row's bolts hole, often arrange bolt hole and be arranged to 4, passed through by the foundation bolt for being arranged on water-drawing channel bank
The flange folded plate is fixed in ground by the bolt hole, so as to realize the fixation of pedestal.
The operation principle of the present invention is as follows：Column and crossbeam are set, the horizontal mobile device of motor is constructed, so as to realize
The flow velocity measurement of the horizontal measuring point of section, by setting lifting motor to coordinate steel wire rope, realize current meter in cross section perpendicular height
Lifting, so as to realize flow velocity measure.
For rivers and canals flow rate calculation, being multiplied according to mean velocity in section with cross-sectional area to be calculated, due to section
Change, its flow velocity tends to occur change, i.e. the flow velocity of same section difference position and different, is also usually adopted in Practical Project
Multiple measuring points are taken, obtain point velocity, so as to calculate the mean flow rate of section.Therefore, measuring point selection number for calculate essence
Degree has a major impact, and measuring point is more, and accuracy is higher, and measuring point is few, although working strength reduces, error is larger, the present invention
Sliding rail is coordinated by lifting motor, realizes measuring for flow, it is more practical.
The utility model constructs the measuring system of transverse shifting, by setting lifting electricity by setting column, crossbeam
Machine, the regulation of vertical direction is constructed, be easy to carry out flow velocity measurement to multiple measuring points of water-drawing channel, to obtain section flow.
As a further improvement, column, crossbeam use steel construction, structure is slim and graceful, and be easy to carry movement, beneficial to regulation.
Column, crossbeam, pedestal are connected by screw bolts, and movement easy to disassemble, are connected using foundation bolt, are easy to fix shifting
Dynamic, the overall strong applicability of structure is more convenient, suitable for the water-drawing channel flow measurement of Small runoff river hydroeclectric power plant, as
Further, it can be used for the canal capacities such as corresponding field irrigation measure.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model
Fig. 2 is pedestal schematic diagram
Embodiment：Below in conjunction with specification embodiment, the utility model is described in detail.
The utility model provides a kind of plant without storage's water-drawing channel flow rate-measuring device, including positioned at water-drawing channel
The column 2 of 1 both sides, the column 2 are fixed in pedestal 3, and pedestal 3 is fixedly installed on the both sides of water-drawing channel 1, on the column 2
End is fixedly installed crossbeam 4, and the crossbeam 4 is fixedly installed slide rail 5 across whole water-drawing channel 1, the top of crossbeam 4, horizontal
Beam 4 is respectively arranged with left limit plate 6 and right limit plate 7 at the both ends of slide rail 5, and the water-drawing channel flow rate-measuring device also includes
The lifting motor 8 moved on the slide rail 5, one end of the connecting steel wire ropes 9 of lifting motor 8, the other end of steel wire rope 9 are connected with
Current meter 10.
In this embodiment, the lifting motor 8 is by the lifting of the coutroi velocity instrument 10 of steel wire rope 9, and passes through and lift electricity
Left and right directions of mobile coutroi velocity instrument 10 of the machine 8 on slide rail 5 in the cross section of water-drawing channel 1 moves, and passes through current meter 10
If lifting and left and right directions movement obtain the actual flow velocity done of the section of water-drawing channel 1 of the place section part of column 2, and tie
The actual size of the section is closed, carries out the measure of water-drawing channel flow 1.
Preferably, if described do as the positive integer point more than 5 points.
Preferably, the column 2, crossbeam 3 are steel construction, its connected mode is fixedly connected for welding or bolt.
Preferably, when being fixedly connected using bolt, bolt hole is preset with column 2 and crossbeam 4, bolt passes through institute
After stating bolt hole, tightening nuts are fixedly connected.
Preferably, the left limit plate 6 and the right limit plate 7 are steel construction, highly more than lifting motor in cunning
Height on rail, thickness are not less than 3cm, and the mode of being connected by screw bolts is fixed on crossbeam 4.
Preferably, the pedestal 3 is steel construction, generally cube structure, its surrounding is respectively arranged with four side plates
11, four side plates 11 bottom is provided with flange folded plate 12, and the flange folded plate 12 is vertical with side plate 11, and four flange
Two row's bolts hole each are provided with folded plate 12, bolt hole is often arranged and is arranged to 4, by being arranged on the bank of water-drawing channel 1
Foundation bolt 13 the flange folded plate 12 is fixed in ground through the bolt hole, so as to realize the fixation of pedestal 3.
The operation principle of the present invention is as follows：Column and crossbeam are set, the horizontal mobile device of motor is constructed, so as to realize
The flow velocity measurement of the horizontal measuring point of section, by setting lifting motor to coordinate steel wire rope, realize current meter in cross section perpendicular height
Lifting, so as to realize flow velocity measure.
For rivers and canals flow rate calculation, being multiplied according to mean velocity in section with cross-sectional area to be calculated, due to section
Change, its flow velocity tends to occur change, i.e. the flow velocity of same section difference position and different, is also usually adopted in Practical Project
Multiple measuring points are taken, obtain point velocity, so as to calculate the mean flow rate of section.Therefore, measuring point selection number for calculate essence
Degree has a major impact, and measuring point is more, and accuracy is higher, and measuring point is few, although working strength reduces, error is larger, the present invention
Sliding rail is coordinated by lifting motor, realizes measuring for flow, it is more practical.
The utility model constructs the measuring system of transverse shifting, by setting lifting electricity by setting column, crossbeam
Machine, the regulation of vertical direction is constructed, be easy to carry out flow velocity measurement to multiple measuring points of water-drawing channel, to obtain section flow.
As a further improvement, column, crossbeam use steel construction, structure is slim and graceful, and be easy to carry movement, beneficial to regulation.
Column, crossbeam, pedestal are connected by screw bolts, and movement easy to disassemble, are connected using foundation bolt, are easy to fix shifting
Dynamic, the overall strong applicability of structure is more convenient, suitable for the water-drawing channel flow measurement of Small runoff river hydroeclectric power plant, as
Further, it can be used for the canal capacities such as corresponding field irrigation measure.
Content described in this specification embodiment is only enumerating to the way of realization of utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, the scope of protection of the utility model is also wrapped
Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (6)
1. a kind of plant without storage's water-drawing channel flow rate-measuring device, including the column positioned at water-drawing channel both sides, described vertical
Post is fixed in pedestal, and pedestal is fixedly installed on water-drawing channel both sides, and the column upper end is fixedly installed crossbeam, the crossbeam
Across whole water-drawing channel, the crossbeam top is fixedly installed slide rail, and crossbeam is respectively arranged with left limit at slide rail both ends
Plate and right limit plate, it is characterised in that：The water-drawing channel flow rate-measuring device also includes the lifting moved on the slide rail
Motor, one end of lifting motor connecting steel wire ropes, the other end of steel wire rope are connected with current meter, and the lifting motor passes through steel wire
The lifting of rope coutroi velocity instrument, and by mobile coutroi velocity instrument of the lifting motor on slide rail on the left side in water-drawing channel cross section
Right direction moves, the water-drawing channel section of section part where obtaining the column by the lifting of current meter and left and right directions movement
If the actual flow velocity done, and the actual size of the section is combined, carry out the measure of water-drawing channel flow.
2. water-drawing channel flow rate-measuring device in plant without storage's as claimed in claim 1, it is characterised in that：If described do
For the positive integer point more than 5 points.
3. water-drawing channel flow rate-measuring device in plant without storage's as claimed in claim 1, it is characterised in that：The column,
Crossbeam is steel construction, and its connected mode is fixedly connected for welding or bolt.
4. water-drawing channel flow rate-measuring device in plant without storage's as claimed in claim 2, it is characterised in that：When using bolt
It is fixedly connected, bolt hole is preset with column and crossbeam, after bolt passes through the bolt hole, company is fixed in tightening nuts
Connect.
5. water-drawing channel flow rate-measuring device in plant without storage's as claimed in claim 1, it is characterised in that：The left limit
Plate and the right limit plate are steel construction, highly the height more than lifting motor on slide rail, and thickness is not less than 3cm, are used
Bolt connecting mode is fixed on crossbeam.
6. water-drawing channel flow rate-measuring device in plant without storage's as claimed in claim 1, it is characterised in that：The pedestal is
Steel construction, generally cube structure, its surrounding are respectively arranged with four side plates, and four side plate bottoms are provided with flange
Folded plate, the flange folded plate is vertical with side plate, and is each provided with two row's bolts hole on four flange folded plates, often arranges bolt
Hole is arranged to 4, is fixed the flange folded plate through the bolt hole by the foundation bolt for being arranged on water-drawing channel bank
In ground, so as to realize the fixation of pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032377.0U CN207036184U (en) | 2017-08-17 | 2017-08-17 | A kind of plant without storage's water-drawing channel flow rate-measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032377.0U CN207036184U (en) | 2017-08-17 | 2017-08-17 | A kind of plant without storage's water-drawing channel flow rate-measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036184U true CN207036184U (en) | 2018-02-23 |
Family
ID=61487701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721032377.0U Expired - Fee Related CN207036184U (en) | 2017-08-17 | 2017-08-17 | A kind of plant without storage's water-drawing channel flow rate-measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207036184U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301388A (en) * | 2018-05-07 | 2018-07-20 | 河南创辉水利水电工程有限公司 | A kind of protection plate structure of small hydropower station water-drawing channel |
| CN108570968A (en) * | 2018-05-07 | 2018-09-25 | 河南创辉水利水电工程有限公司 | A method of radial-flow type diversion canal of hydropower station is protected |
| CN108801370A (en) * | 2018-08-10 | 2018-11-13 | 合肥市恒昌自动化控制有限责任公司 | The online point measurement device of open channel section flow |
| CN112254772A (en) * | 2020-10-15 | 2021-01-22 | 唐山现代工控技术有限公司 | Integrated hanging vertical line flow measuring instrument and flow measuring method thereof |
| CN113008306A (en) * | 2021-03-08 | 2021-06-22 | 山东慧点智能技术有限公司 | Automatic flow measuring system for channel section |
-
2017
- 2017-08-17 CN CN201721032377.0U patent/CN207036184U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301388A (en) * | 2018-05-07 | 2018-07-20 | 河南创辉水利水电工程有限公司 | A kind of protection plate structure of small hydropower station water-drawing channel |
| CN108570968A (en) * | 2018-05-07 | 2018-09-25 | 河南创辉水利水电工程有限公司 | A method of radial-flow type diversion canal of hydropower station is protected |
| CN108801370A (en) * | 2018-08-10 | 2018-11-13 | 合肥市恒昌自动化控制有限责任公司 | The online point measurement device of open channel section flow |
| CN112254772A (en) * | 2020-10-15 | 2021-01-22 | 唐山现代工控技术有限公司 | Integrated hanging vertical line flow measuring instrument and flow measuring method thereof |
| CN113008306A (en) * | 2021-03-08 | 2021-06-22 | 山东慧点智能技术有限公司 | Automatic flow measuring system for channel section |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20210817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |