CN108335606A - A kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment - Google Patents
A kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment Download PDFInfo
- Publication number
- CN108335606A CN108335606A CN201810144373.4A CN201810144373A CN108335606A CN 108335606 A CN108335606 A CN 108335606A CN 201810144373 A CN201810144373 A CN 201810144373A CN 108335606 A CN108335606 A CN 108335606A
- Authority
- CN
- China
- Prior art keywords
- weir
- fan blades
- wall
- sink
- sharp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of multi-functional sharp-crested weir weir flow devices suitable for teaching experiment, including water feeding tank, sink stem, open channel sink, sink tail-gate and sharp-crested weir mechanism; sharp-crested weir mechanism includes rectangle thin-wall weir, left side five fan blades in fan blades and right side five; fan blades in fan blades and right side five of left side five is symmetrically arranged in the both sides of rectangle thin-wall weir; five side fan blades of left side is hinged on the upper left corner of rectangle thin-wall weir, and five side fan blades of right side is hinged on the upper right corner of rectangle thin-wall weir；Rectangular notch is offered in rectangle thin-wall weir upper center, by adjusting the corner of the fan blades in fan blades and right side five of left side five, it be the maximum weir flow section of rectangle, the minimum weir flow section that weir-type is triangle and weir-type is trapezoidal weir flow section placed in the middle that rectangle thin-wall weir, which has weir-type,.Compared with prior art, the present invention is changed using self structure, realizes that a weir is multi-purpose, and weir flow is various, with obvious effects, and antiseepage, leak preventing effect are preferable, and weir body is stablized, and cost is relatively low, simple for structure.
Description
Technical field
The present invention be directed in current weir flow experimental teaching, weir flow is in the form of a single, and the one kind designed is suitable for teaching experiment
Multi-functional sharp-crested weir weir flow device.It belongs to hydraulic engineering technical field.
Background technology
Currently, in weir flow experimental teaching, a kind of weir-type is often taken to configure a water trough design, the advantages of this design is
Weir body is fixed in sink, antiseepage, good leak-proof effect, and weir body is stablized；The disadvantage is that in teaching experiment, it is real that a kind of weir-type can only be done
It tests, weir-type weir flow is single, if converting weir-type in an experiment, stablizing for weir body is longer when processing and antiseepage, leakproof handling, can not
Complete experimental teaching task, thus prior art Shortcomings.
Invention content
The technical problem to be solved by the present invention is in view of the above shortcomings of the prior art, and the one kind invented is suitable for teaching
The multi-functional sharp-crested weir weir flow device of experiment, its fan blades aperture at fan blades, right side five by the left side five on rectangle thin-wall weir
It adjusts, realizes the weir-type conversion between triangle sharp-crested weir, trapezoidal sharp-crested weir and rectangle thin-wall weir.Evade the prior art not with this
Foot.
The technical scheme is that：
A kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment, it is characterised in that：It is first including water feeding tank, sink
Portion, open channel sink, sink tail-gate and sharp-crested weir mechanism, are arranged water pump in the water feeding tank, are connected in the sink stem
Penstock, the other end of the penstock are connect with the water pump in the water feeding tank, are also set up on sink stem top
There are stylus, the sharp-crested weir mechanism to be arranged in the open channel sink, the tail in the open channel sink is arranged in the sink tail-gate
Portion；The sharp-crested weir mechanism includes rectangle thin-wall weir, left side five fan blades in fan blades and right side five, five side fan blades of the left side
And five side fan blades of right side is symmetrically arranged in the both sides of the rectangle thin-wall weir, is additionally provided in five side fan blades of the left side
Left slideway, is provided with right slideway in five side fan blades of the right side, and five side fan blades of the left side rotates spiral by upper left and is hinged
In the upper left corner of the rectangle thin-wall weir, five side fan blades of the right side rotates spiral by upper right and is hinged on the rectangle thin-wall weir
The upper right corner, be additionally provided with lower-left slip screw and bottom right slip screw, the lower-left slip screw in the rectangle thin-wall weir
In the left slideway, the bottom right slip screw is located in the right slideway；It is opened in the rectangle thin-wall weir upper center
Equipped with rectangular notch, by adjusting the corner of the fan blades in fan blades and right side five of the left side five, the rectangle thin-wall weir has
Weir-type is that the maximum crest of weir section of rectangle, the minimum crest of weir section that weir-type is triangle and weir-type are that trapezoidal crest of weir placed in the middle is cut
Face.
Its structure of the invention is made of three parts：Water feeding tank, sink and multi-functional sharp-crested weir mechanism, in water supply box part,
Water pump is set in water feeding tank, provides open channel sink water source using water pump, flows through the water body after sink, water is again flowed by tail-gate
Case.In flume section setting sink stem, stylus, sink tail-gate, working mechanism：Water pump provide sink water body, first into
Enter sink stem, then by weir, forms weir flow, flow into open channel sink.In multi-functional sharp-crested weir mechanism section, Thin Rectangular is set
Wall weir, left side five at fan blades, right side five fan blades, upper left rotation spiral, left slideway, lower-left slip screw, upper right rotation spiral,
Right slideway and bottom right slip screw, working mechanism：By the aperture regulation of the fan blades in fan blades and right side five of left side five, realize
Weir-type conversion between triangle sharp-crested weir, trapezoidal sharp-crested weir and rectangle thin-wall weir and weir flow variation.Advantages of the present invention：With existing skill
Art is compared, and the present invention is changed using self structure, realizes that a weir is multi-purpose, and weir flow is various, with obvious effects, antiseepage, good leak-proof effect,
Weir body is stablized, and cost is relatively low, simple for structure, and it is larger to promote space.
Description of the drawings
Fig. 1 is apparatus of the present invention schematic diagram.
Fig. 2 is the structural schematic diagram of sharp-crested weir mechanism.
Fig. 3 is the minimum weir flow schematic cross-section that weir-type is triangle.
Wherein：1, water feeding tank, 2, lower sluicing stream, 3, sink tail-gate, 4, open channel sink, 5, rectangle thin-wall weir, 6, water pump, 7,
Stylus, 8, penstock, 9, rectangular thin-wall weir head, 10, sink stem, 11, five side fan blades of left side, 12, upper left rotate spiral shell
Rotation, 13, lower-left slip screw, 14, left slideway, 15, trapezoidal thin-walled weir head, 16, right slideway, 17, upper right rotate spiral,
18, bottom right slip screw, 19, five side fan blades of right side, 20, triangle thin-walled weir head.
Specific implementation mode
Attached drawing 1, water pump 6 built in water feeding tank 1 are compareed, water feeding tank 1 is located at 4 lower part of open channel sink, water pump 6 and penstock 8
One end is connected, and 8 other end of penstock is connected with 10 bottom of sink stem, and stylus 7 is located at sink stem 10, sink tail-gate 3 and
4 tail portion of open channel sink is connected, and five side fan blades 11 of left side rotates spiral 12 by upper left and the rotation of lower-left slip screw 13 is fixedly arranged at
5 left side of rectangle thin-wall weir, five side fan blades 19 of right side rotates spiral 17 by upper right and the rotation of bottom right slip screw 18 is fixedly arranged at square
5 right side of shape sharp-crested weir, left slideway 14 connect with the sliding of lower-left slip screw 13, and right slideway 16 slides phase with bottom right slip screw 18
It connects, rectangle thin-wall weir 5 is fixedly arranged at 4 preceding bottom of open channel sink.
The course of work：Start water pump 6, makes water body from water feeding tank 1, flow into sink stem 10 by penstock 8, flow exists
Weir head is formed on rectangle thin-wall weir 5, by stylus 7, measures the weir head that flow flows through rectangle thin-wall weir 5, Thin Rectangular
9 flow of wall weir head passes through rectangle thin-wall weir 5, flows into open channel sink 4, flow in open channel sink 4, through water-carrying groove tail-gate 3
Under let out in water feeding tank 1, the weir flow experiment for completing rectangle thin-wall weir 5 measures.It switches off the pump, is parked in water supply, wait for open channel water
After slot 4 is anhydrous, upper right rotation spiral 17 and bottom right slip screw 18 are loosened, along right slideway 16, five side fan blades 19 of rotation right side arrive
Certain angle screws upper right rotation spiral 17 and bottom right slip screw 18, then loosens upper left rotation spiral 12 and lower-left sliding spiral shell
Rotation 13, along left slideway 14, five side fan blades 14 of rotation left side arrive with right side equal angular, screw upper left rotation spiral 12 and lower-left slided
Dynamic spiral 13, forms triangle sharp-crested weir (referring to Fig. 3), is again started up water pump 6, and flow is made to flow through triangle sharp-crested weir, forms three
Angular sharp-crested weir weir head 20, record stylus 7 are read, and 20 flow of triangle thin-walled weir head flows through triangle sharp-crested weir, flows
Enter in open channel sink 4, the flow in water in a canal slot 4, through being let out in water feeding tank 1 under water-carrying groove tail-gate 3, it is thin to complete second of triangle
The weir flow on wall weir measures.It is reciprocal according to this, it adjusts the fan blades 14 at fan blades 19, left side five of right side five and is formed trapezoidal to another angle
Sharp-crested weir (referring to Fig. 2), the weir flow that can complete the trapezoidal sharp-crested weir of third time measure.
Claims (1)
1. a kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment, it is characterised in that：It is first including water feeding tank (1), sink
Portion (10), open channel sink (4), sink tail-gate (3) and sharp-crested weir mechanism, the setting water pump (6) in the water feeding tank (1), in institute
It states sink stem (10) and is connected with penstock (8), the other end and the water pump in the water feeding tank (1) of the penstock (8)
(6) it connects, is additionally provided with stylus (7) on sink stem (10) top, the sharp-crested weir mechanism is arranged in the open channel water
In slot (4), the sink tail-gate (3) is arranged in the tail portion of the open channel sink (4)；The sharp-crested weir mechanism includes rectangular thin-wall
Weir (5), left side five fan blades (19) in fan blades (11) and right side five, the left side five is fanned in fan blades (11) and right side five
Piece (19) is symmetrically arranged in the both sides of the rectangle thin-wall weir (5), and a left side is additionally provided in five side fan blades (11) of the left side
Slideway (14), is provided with right slideway (16) in five side fan blades (19) of the right side, and five side fan blades (11) of the left side passes through a left side
Upper rotation spiral (12) is hinged on the upper left corner of the rectangle thin-wall weir (5), and five side fan blades (19) of the right side is turned by upper right
Dynamic spiral (17) is hinged on the upper right corner of the rectangle thin-wall weir (5), and being additionally provided with lower-left in the rectangle thin-wall weir (5) slides
Spiral (13) and bottom right slip screw (18), the lower-left slip screw (13) are located in the left slideway (14), the bottom right
Slip screw (18) is located in the right slideway (16)；In the rectangle thin-wall weir (5), upper center offers rectangular notch, leads to
The corner for adjusting the fan blades (19) in fan blades (11) and right side five of the left side five is crossed, the rectangle thin-wall weir (5) has weir-type
It is trapezoidal crest of weir section placed in the middle for minimum crest of weir section that the maximum crest of weir section of rectangle, weir-type are triangle and weir-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144373.4A CN108335606A (en) | 2018-02-11 | 2018-02-11 | A kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144373.4A CN108335606A (en) | 2018-02-11 | 2018-02-11 | A kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108335606A true CN108335606A (en) | 2018-07-27 |
Family
ID=62929253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810144373.4A Pending CN108335606A (en) | 2018-02-11 | 2018-02-11 | A kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108335606A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739404A (en) * | 2020-07-14 | 2020-10-02 | 王旭 | Weir flow simulation experiment device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777677Y (en) * | 2005-01-26 | 2006-05-03 | 武汉大学 | Water tank for teaching experiment |
| CN200943811Y (en) * | 2006-08-28 | 2007-09-05 | 西安长庆科技工程有限责任公司 | Open type poling board device for trapping slug flow |
| CN104457859A (en) * | 2014-11-12 | 2015-03-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for transforming shape of section of measuring weir and measuring weir structure |
| CN205046619U (en) * | 2015-08-28 | 2016-02-24 | 中国能源建设集团广东省电力设计研究院有限公司 | Energy -saving siphonic water -collecting well |
| CN107643111A (en) * | 2017-10-11 | 2018-01-30 | 贵州省水利水电勘测设计研究院 | A kind of low discharge monitors weir flow measurement structure |
-
2018
- 2018-02-11 CN CN201810144373.4A patent/CN108335606A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777677Y (en) * | 2005-01-26 | 2006-05-03 | 武汉大学 | Water tank for teaching experiment |
| CN200943811Y (en) * | 2006-08-28 | 2007-09-05 | 西安长庆科技工程有限责任公司 | Open type poling board device for trapping slug flow |
| CN104457859A (en) * | 2014-11-12 | 2015-03-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for transforming shape of section of measuring weir and measuring weir structure |
| CN205046619U (en) * | 2015-08-28 | 2016-02-24 | 中国能源建设集团广东省电力设计研究院有限公司 | Energy -saving siphonic water -collecting well |
| CN107643111A (en) * | 2017-10-11 | 2018-01-30 | 贵州省水利水电勘测设计研究院 | A kind of low discharge monitors weir flow measurement structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739404A (en) * | 2020-07-14 | 2020-10-02 | 王旭 | Weir flow simulation experiment device |
| CN111739404B (en) * | 2020-07-14 | 2022-05-20 | 王旭 | Weir flow simulation experiment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105275067B (en) | A kind of water feed apparatus of water closet | |
| CN205091352U (en) | Support is measured to current meter | |
| CN108335606A (en) | A kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment | |
| CN206646461U (en) | A kind of water conservancy and hydropower gate lifting device | |
| CN105369864B (en) | Water tank of water closet | |
| CN203960967U (en) | The flushing controller for closestool with water-saving function | |
| CN203334370U (en) | Electric drainer | |
| CN108335605A (en) | A kind of multipurpose weir flow device suitable for teaching experiment | |
| CN105839743B (en) | Water-replenishing control device and water closet | |
| CN107217734B (en) | A kind of quick desilting equipment of municipal pipeline | |
| CN206374936U (en) | Novel multifunctional hydraulic T-shaped power platform | |
| CN205530152U (en) | Water level regulating turns over flat -gate | |
| CN205776599U (en) | Water-replenishing control device and water closet | |
| CN210031712U (en) | Novel reservoir gate | |
| CN210544539U (en) | Convenient abluent blendor | |
| CN209366519U (en) | It is a kind of to put milk device automatically | |
| CN206374923U (en) | Novel multifunctional hydraulic power platform | |
| CN106926362B (en) | A kind of mud rapid recharge device | |
| CN204602536U (en) | A kind of point of rotation oil device | |
| CN218797900U (en) | Pipeline cleaning device | |
| CN218408675U (en) | Water tap capable of swinging angle | |
| CN204038113U (en) | Portable water bag | |
| CN219445538U (en) | Concrete mixing device for bridge maintenance construction | |
| CN210849223U (en) | Cutting device is used in tap production | |
| CN212154182U (en) | Leveling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180727 |
|
| RJ01 | Rejection of invention patent application after publication |