CN203021973U - Sand intercepting groove - Google Patents
Sand intercepting groove Download PDFInfo
- Publication number
- CN203021973U CN203021973U CN 201220694007 CN201220694007U CN203021973U CN 203021973 U CN203021973 U CN 203021973U CN 201220694007 CN201220694007 CN 201220694007 CN 201220694007 U CN201220694007 U CN 201220694007U CN 203021973 U CN203021973 U CN 203021973U
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- Prior art keywords
- sand
- husky
- groove
- husky groove
- groove body
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Abstract
The utility model discloses a sand intercepting groove provided with a sand blocking plate. The sand intercepting groove provided with the sand blocking plate avoids the problem that sediment is upturned when sand sluicing occurs. The sand intercepting groove comprises a sand intercepting groove body arranged on a bottom plate, the sand intercepting groove body and the bottom plate arranged on one upstream side of the sand intercepting groove body jointly form a sand containing groove, sand sluicing holes are formed on one side of the sand intercepting groove body, the sand blocking plate is connected at the top of the sand intercepting groove body, the length of the sand blocking plate fits in that of the sand containing groove, the width of the sand blocking plate is not less than the bottom width of the sand containing groove, a local abrupt slope for transition to the bottom face of the sand containing groove is arranged on the bottom plate arranged on one upstream side of the sand intercepting groove body, and the local abrupt slope gradually lowers along the water flow direction terrain. Besides, gratings are arranged at the position of an opening of the sand containing groove. When a sand sluicing gate is opened, whirling water flow forms in the sand intercepting groove, but the sediment is blocked by the sand blocking plate, and the sediment can not be upturned into a canal; according to a hydraulic model test, the sand intercepting groove is good in sand intercepting effect and sand sluicing effect, small in water consuming amount, simple in structure, fast to construct, and applicable to sand prevention and sand reduction of water diversion generation buildings of a sediment-laden river.
Description
Technical field
The utility model relates to a kind of waterpower and cuts beach volleyball husky structure, especially a kind of section husky groove.
Background technology
Mountain stream because longitudinal gradient is large, is suitable for the exploitation of hydraulic power potentials.At present, the development scheme of water channeling type is adopted in the utilization of mountain area property hydropower resources of river mostly.
Silt is crossed machine and is caused water turbine overflowing component wearing and tearing, and sand grain causes the condition of depending on easily for gas core, and the Turbine Cavitation Testing cavitation corrosion is more easily occured.So on fully-loaded stream, the Component of Hydraulic Turbines in power station is damaged more seriously, the time between overhauls(TBO) is short.Runner repair welding and component update cause huge financial burden to the power station, are also simultaneously one of subject matter that affects the normal operation in power station.Therefore, the silt control is one of technical problem underlying in design process in the hydroelectric development of mountain area fully-loaded stream.
Adopt at present more silt prevention and control mode to be: to utilize head works, sand trap and forebay to carry out stepwise disposal to silt, thereby prevent from or reduce silt entering channel (for example tunnel) and water wheels unit, eliminate or reduce the harm that silt brings.After sedimentation, the sand surfing facility need to be set, generally adopt waterpower to rush sand discharge, namely utilize certain water velocity to take away silt.The pattern that the sand surfing facility is commonly used has: rectangle cuts husky groove, bottom hole for sand flushing, scroll sand discharge, strong spiral flow sand discharge funnel etc.
Cut husky groove and be generally rectangle or trapezoidal, the more difficult deposition of silt.Bottom hole for sand flushing is difficult to effectively get rid of silt, often needs to reduce water level in the actual motion of power station and increases the flow velocity sand surfing, and even by the forced-stopping machine sand surfing, economic loss is larger.The scroll sand discharge is utilized the pipe of canal bottom opening, produces the spiral current that advance under the effect of the tangential flow velocity of current that passes by, and the silt that enters in pipe is discharged, as long as guarantee out that stream is smooth and easy, its sand discharge effect is better, but water consumption is more and build is complicated, and difficulty of construction is large.Strong spiral flow sand discharge funnel is also to utilize spiral advancing water stream to carry out sand discharge, and effect is better, but water consumption is larger, and build is more complicated, goes out to flow conditional request higher.Therefore, adopting more is the rectangle that the top opens wide to be set on base plate cut husky groove and bottom hole for sand flushing.
But traditional husky groove structure of cutting exists such defective: when desilting works moved, under the effect of rotary roll current, silt tended to turn over and enters channel, caused the wearing and tearing of canal silting and the hydraulic turbine.
The utility model content
In order to overcome existing deficiency of turning on silt when cutting husky groove sand surfing, technical problem to be solved in the utility model is to provide a kind of husky groove that cuts with the husky plate of resistance, turns on silt when avoiding sand surfing.
The technical scheme that its technical problem that solves the utility model adopts is: cut husky groove, comprise the husky groove body that cuts that is arranged on base plate, the base plate that cuts husky groove body and its upstream one side consists of the husky groove of appearance jointly, the side that cuts husky groove body is provided with flushing sluice, the top of cutting husky groove body is connected with the husky plate of resistance, the length that hinders husky plate adapts with the length of holding husky groove, and the width of the husky plate of resistance is not less than the bottom width of holding husky groove.
Be positioned on the base plate that cuts husky groove body upstream one side and be provided with the local abrupt slope that transits to the bottom surface that holds husky groove, this abrupt slope, part descends gradually along the water (flow) direction physical features.
Be provided with barrier at the opening part that holds husky groove.
Described barrier is made by steel bar, and steel bar is arranged at a certain distance, and the upstream face of each root steel bar is streamlined.
The bottom surface of the husky groove of described appearance is gradient in the direction of pointing to scouring sluice.
The husky plate of described resistance and section husky this body by integral forming of groove.
The beneficial effects of the utility model are: by the husky plate of resistance is set at common section husky groove top, when scouring sluice is opened, cut and form the rotary roll current in husky groove, but turn on silt is not understood and enter water channel, through the hydraulic model test checking, the utility model cuts the defective that husky groove has overcome traditional section husky groove, and section husky effect is better, scouring effect is good, simple in structure, quick construction, and the sand prevention that is applicable to the diversion and power building on fully-loaded stream subtracts sand.
Description of drawings
Fig. 1 is the cross-sectional view that the utility model cuts husky groove.
Fig. 2 is the layout plan that the utility model cuts husky groove.
Fig. 3 is another embodiment that the utility model cuts husky groove.
Be labeled as in figure, 1-cuts husky groove body, and 2-hinders husky plate, 3-local abrupt slope, and the 4-base plate, the 5-scouring sluice, 6-sand discharge lock, the 7-sluice way, the 8-barrier, 10-holds husky groove, 11-bottom surface, 50-sand surfing aperture.The F-water (flow) direction, the width of B1-bottom surface, the width of the husky plate of B2-resistance.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
as Fig. 1, Fig. 2 and shown in Figure 3, of the present utility model section husky groove comprises the husky groove body 1 that cuts that is arranged on base plate 4, cut husky groove body 1 and hold husky groove 10 with the common formation of base plate 4 of its upstream one side, the side that cuts husky groove body 1 is provided with scouring sluice 5, the aperture 50 of scouring sluice 5 communicates with the husky groove 10 of appearance, the top of cutting husky groove body 1 is connected with the husky plate 2 of resistance, hinder the length of husky plate 2 and hold the equal in length of husky groove 10, the width that hinders husky plate 2 equates with the bottom width of holding husky groove 10, hindering in case of necessity husky plate 2 also can continue upstream to extend until it exceeds the bottom width of holding husky groove 10, be B2＞B1.When scouring sluice is opened, cut and form the rotary roll current in husky groove, but silt is hindered husky plate 2 blocks, hinder the silt that husky plate 2 limited in the rotary roll current and plough under water channel, reach and prevent that silt from entering the purpose of channel of approach (for example tunnel) and the hydraulic turbine, be more conducive to simultaneously the formation of rotary roll current, improve the sand discharge effect.
Be further, be positioned at and be provided with the local abrupt slope 3 that transits to the bottom surface 11 that holds husky groove 10 on the base plate 4 that cuts husky groove body 1 upstream one side, this abrupt slope, part 3 descends gradually along water (flow) direction F physical features, during normal operation, this structure is conducive to sedimentation, is conducive to form rotary roll current carrying and discharges when sand surfing.
In addition, as shown in Figure 3, also can be provided with barrier 8 at the opening part that holds husky groove 10, the rotary roll current are more fully formed, reduce simultaneously silt and reflux, barrier 8 is made by steel bar, steel bar is arranged at a certain distance, and the upstream face of each root steel bar is preferably done camber or streamlined, facilitates water flow mud-sand to enter.
Further that the bottom surface 11 of the husky groove 10 of described appearance is gradient in the direction of pointing to scouring sluice 5, should be obviously lower the closer to scouring sluice 5 physical features, thereby be beneficial to sand surfing.
Hinder husky plate 2 simple in structure, can be one-body molded with section husky groove body 1, easy construction.
Claims (6)
1. cut husky groove, comprise section husky groove body (1) that is arranged on base plate (4), cut husky groove body (1) and hold husky groove (10) with the common formation of the base plate (4) of its upstream one side, the side that cuts husky groove body (1) is provided with scouring sluice (5), it is characterized in that: the top of cutting husky groove body (1) is connected with resistance husky plate (2), the length that hinders husky plate (2) adapts with the length of holding husky groove (10), and the width (B2) that hinders husky plate (2) is not less than bottom surface (11) width (B1) that holds husky groove (10).
2. as claimed in claim 1 section husky groove, it is characterized in that: be positioned on the base plate (4) that cuts husky groove body (1) upstream one side and be provided with the local abrupt slope (3) that transits to the bottom surface (11) that holds husky groove (10), this abrupt slope, part (3) descends gradually along water (flow) direction (F) physical features.
3. as claimed in claim 2 section husky groove, is characterized in that: be provided with barrier (8) at the opening part that holds husky groove (10).
4. as claimed in claim 3 section husky groove, it is characterized in that: described barrier (8) is made by steel bar, and steel bar is arranged at a certain distance, and the upstream face of each root steel bar is streamlined.
5. as claim 1,2,3 or 4 described sections husky grooves, it is characterized in that: the bottom surface (11) of the husky groove of described appearance (10) is gradient in the direction of pointing to scouring sluice (5).
6. as claim 1,2,3 or 4 described sections husky grooves, it is characterized in that: the husky plate of described resistance (2) is one-body molded with section husky groove body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694007 CN203021973U (en) | 2012-12-14 | 2012-12-14 | Sand intercepting groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694007 CN203021973U (en) | 2012-12-14 | 2012-12-14 | Sand intercepting groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203021973U true CN203021973U (en) | 2013-06-26 |
Family
ID=48645967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220694007 Expired - Lifetime CN203021973U (en) | 2012-12-14 | 2012-12-14 | Sand intercepting groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203021973U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099908A (en) * | 2014-07-31 | 2014-10-15 | 中国电建集团成都勘测设计研究院有限公司 | Gravity type sand obstructing and guiding structure |
| CN108608556A (en) * | 2018-04-19 | 2018-10-02 | 新疆铁道勘察设计院有限公司 | A kind of manufacturing method of the husky plate of fiber reinforcement resistance |
| CN110258468A (en) * | 2019-07-05 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Sand structure is blocked in hydraulic tunnel |
| CN111441317A (en) * | 2020-04-09 | 2020-07-24 | 吴应祥 | Canal valve for modern agricultural production |
-
2012
- 2012-12-14 CN CN 201220694007 patent/CN203021973U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099908A (en) * | 2014-07-31 | 2014-10-15 | 中国电建集团成都勘测设计研究院有限公司 | Gravity type sand obstructing and guiding structure |
| CN104099908B (en) * | 2014-07-31 | 2017-01-18 | 中国电建集团成都勘测设计研究院有限公司 | Gravity type sand obstructing and guiding structure |
| CN108608556A (en) * | 2018-04-19 | 2018-10-02 | 新疆铁道勘察设计院有限公司 | A kind of manufacturing method of the husky plate of fiber reinforcement resistance |
| CN110258468A (en) * | 2019-07-05 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Sand structure is blocked in hydraulic tunnel |
| CN111441317A (en) * | 2020-04-09 | 2020-07-24 | 吴应祥 | Canal valve for modern agricultural production |
| CN111441317B (en) * | 2020-04-09 | 2021-06-15 | 吴应祥 | Canal valve for modern agricultural production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee after: HYDROCHINA CHENGDU ENGINEERING Corp. Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee before: POWERCHINA Chengdu Engineering Corporation Limited |
|
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER GROUP CHENGDU INVESTIGATION DESIGN + R Free format text: FORMER NAME: CHENGDU HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF SPC |
|
| CP01 | Change in the name or title of a patent holder |
Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee after: POWERCHINA Chengdu Engineering Co.,Ltd. Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee before: HYDROCHINA CHENGDU ENGINEERING Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |
|
| CX01 | Expiry of patent term |