CN105821815A - Protective device for overflowing bucket - Google Patents
Protective device for overflowing bucket Download PDFInfo
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- CN105821815A CN105821815A CN201610202246.6A CN201610202246A CN105821815A CN 105821815 A CN105821815 A CN 105821815A CN 201610202246 A CN201610202246 A CN 201610202246A CN 105821815 A CN105821815 A CN 105821815A
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- trachea
- water
- bucket lip
- pipe
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a protective device for an overflowing bucket. Water inlets are formed in the overflowing bucket and connected with reverse radian drain pipes, and the reverse radian drain pipes are connected with inclined-down drain pipes. An air inflation and suction device is arranged on one side wall and connected with a solar power supply module. Side guide air pipes are arranged on the reverse radian drain pipes and each connected with a water stop cavity, each water stop cavity is connected with an air pipe, and the air pipes are connected with the air inflation and suction device. The water inlets are designed to be conical grooves, and a conical ceramic filter element is mounted in each conical groove. A gas path switch composed of a guide groove, a conical sliding block, a sliding piston, a conical plug and a first spring is arranged in each side guide air pipe. According to the device, the problems that the overflowing bucket is not attractive due to the fact that accumulated water is left in the overflowing bucket, and during spillway overflowing, damage is caused by water flow vortexes and generated negative pressure at the tail of the bucket and cavitation of a large number of underwater bubbles on bucket teeth and can be solved.
Description
Technical field
The present invention relates to Hydraulic and Hydro-Power Engineering technical field, a kind of for crossing the preventer flowing bucket lip.
Background technology
The stream bucket lip of crossing of existing spillway has two kinds to cross stream energy dissipation type: choose stream and surface current.When spillway is in high water head, big flow flood discharge, high-velocity flow flow-shape at stream bucket lip excessively is disorderly, whirlpool is rapid, easily produce cavitation erosion (negative pressure) phenomenon, thus at stream bucket lip, destruction in various degree occurs crossing, bring great potential safety hazard to engineering operation.The example causing this destruction has numerical example to occur the most at home, and the effective precautionary measures solving this unfavorable phenomenon need to inquire into and research at present.
Another spillway cross stream bucket lip, often there is the phenomenon of hydrops, although being provided with drain pipe in engineering to carry out draining in its ogee section after crossing stream or after raining; but easily block during actual motion; process the most relatively difficult, substantially do not have the effect of draining, perform practically no function.Residual water or rainwater are detained in bucket lip and cannot get rid of; microbes in water of long duration is constantly bred, and is most commonly that moss, the most unsightly; bringing adverse influence to the overall appearance of spillway, this disagrees with conservation culture, the environmental conservation theory currently advocated.
Summary of the invention
The present invention provides a kind of for crossing the preventer flowing bucket lip, purpose is to solve high-velocity flow to wash away the cavitation erosion (negative pressure) that causes to crossing breakoff phenomenon that stream bucket lip causes and bucket lip crosses the seeping phenomenon after stream, compensate for the precautionary measures that stream bucket lip cavitation erosion (negative pressure) destroys and overcomes again the defect of existing water discharge technology simultaneously.
The present invention solves above-mentioned technical problem and is adopted the technical scheme that:
A kind of for crossing the preventer flowing bucket lip, it is characterized in that, cross camber line two bottom sides at stream bucket lip and be each provided with a water inlet, described water inlet bottom opening connects reverse radian drain pipe, reversely radian drain pipe connects the most lower drain pipe, described oblique lower drain pipe becomes 30-45 ° of angle, outlet outlet elevation need to be higher than downstream ordinary water level with horizontal line；It is embedded with side in described stream bucket lip excessively and guides trachea, block water chamber, trachea, charged device of air is set on abutment wall, described charged device of air includes vacuum pump and air pump, described charged device of air side is provided with solar powered module, charged device of air passes through to electrically connect with solar powered module, described solar powered module includes pole, described pole is provided with turntable, the downside of described turntable is provided with the tooth bar of annular, described rack and pinion is meshed, gear is arranged on the first motor, first motor is fixed on pole, described turntable is provided with the second motor, second motor end connects mounting blocks, it is provided with solar panels on described mounting blocks；nullIt is provided with side in described reverse radian drain pipe side and guides trachea，Described side guides trachea to connect has one to block water chamber，The chamber connection that blocks water has trachea，Trachea connects charged device of air，Guide trachea in described side and block water and between chamber, be provided with waterproof ventilated membrane，Described the design of intake is cone tank，Conic ceramic filter element is installed at described cone tank，Described cone tank top forms smooth connection with crossing stream bucket lip camber line，Described side guides tracheal strips to be provided with a gathering sill，Described gathering sill connects and has conical sliding block，Described conical sliding block slides in gathering sill，Conical sliding block bottom is provided with sliding plunger，It is provided with in described gathering sill by the inflation/deflation cavity formed between sliding plunger and gathering sill，Described inflation/deflation cavity is connected with inducing QI connecting leg，Inducing QI connecting leg connects the chamber that blocks water，It is provided with a conical plug in reverse radian drain pipe，It is provided with the first spring between conical plug and reverse radian drain pipe.
This design, first can cross, during equilibrated stream, the negative pressure produced at stream bucket lip, it is to avoid causes cavitation, can be completed by the air-pump inflating of charged device of air；Second can solve stream after cross hydrops problem in stream bucket lip, directly can discharge remaining residue water by drain pipe, also can realize the effect of Quick drainage by means of the vacuum pump of charged device of air；3rd reverse radian designing and arranging water pipe be designed to keep the normal flow-shape in stream bucket lip top, and avoid the adverse effect of the flip shot range to overflow；4th design blocking water chamber avoids flowing water and is adsorbed to cause in charged device of air the damage of equipment；5th side guides trachea and blocks water and be provided with waterproof ventilated membrane between chamber, and this design preferably achieves charged airway dysfunction, without worrying that flowing water causes the damage of equipment, designs the most ingenious.6th is placed with ceramic element in cone tank, by the placement of ceramic element, can not only solve stream bucket lip hydrops problem, moreover it is possible to avoid the foreign material such as silt to fall in groove, causes the alluvial of foreign material in groove.Use smooth connection, it is possible to keep intrinsic flow-shape unaffected；7th this design be suitable for solve during actual flood discharge cross stream bucket lip tail end negative pressure bigger time, easily occur under the situation of cavitation erosion, inflation more concentration, more rapid；The use of the 8th solar powered module, using the teaching of the invention it is possible to provide the solar energy of this device part meets the requirement of environmental protection and energy saving, and use cost is lower, more saves the energy.
Further, being provided with cushion pad between described cone tank and conic ceramic filter element, described cushion pad is rubber blanket.The brittle break being designed to prevent conic ceramic filter element to a certain extent with cross stream bucket lip rigid contact of cushion pad, and play the effect reinforcing conic ceramic filter element.
Further, described mistake in stream bucket lip is provided with a main trachea, main trachea is connected with reverse radian drain pipe, the main trachea other end connects with crossing stream bucket lip tail end, main trachea and reverse radian drain pipe junction are provided with an oblique trachea, in described main gas tube and tube, are provided with a waterproof ventilated membrane between ceramic element.This it is configured as auxiliary device, can more easily strengthen aeration quantity.
Further, also including that the first supplemental inflatable mechanism, described first supplemental inflatable mechanism include vertical communication pipe and be arranged on the airway within abutment wall, described vertical communication pipe connects some main tracheas, and vertical communication pipe is connected with the upper vent hole at abutment wall top.This to be designed to the pressure that auxiliary adjustment crosses at stream bucket lip consistent with the pressure in air, can more effectively play the effect of balance pressure, and can cut down and flow the bigger negative pressure value of bucket lip tail end.
The upper vent hole arranged on abutment wall, is connected by vertical communication Guan Yuzhu trachea, serves the effect of balance pressure, further ensures the validity and reliability eliminating cavitation erosion (negative pressure).
Further, also including that the second supplemental inflatable mechanism, described second supplemental inflatable mechanism include assisting broken pipe, auxiliary VERTICAL TUBE, the second spring, cylindrical plag and subsidiary level pipe, in auxiliary, broken pipe connects cone tank, and the other end connects auxiliary VERTICAL TUBE；Auxiliary VERTICAL TUBE connects subsidiary level pipe, is provided with one second spring in described subsidiary level pipe, and the second spring connects cylindrical plag, and described cylindrical plag slides in subsidiary level pipe, and subsidiary level pipe is connected with the chamber that blocks water.
Further, described subsidiary level pipe and block water and be provided with a waterproof ventilated membrane between chamber.This design increases is crossing the scope eliminating cavitation erosion (negative pressure) at stream bucket lip, it is to avoid cross cavitation erosion (negative pressure) phenomenon flowing bucket lip top.
The invention has the beneficial effects as follows: the present invention crosses stream bucket lip tail end and produces in negative pressure and its top water vortex the breakoff phenomenons such as a large amount of bubbles cavitation erosion on crossing stream bucket lip and cross stream bucket lip residual accumulated water and derive the phenomenon that moss impact is attractive in appearance when can solve the problem that Flood Design Discharge for Spillway.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, accompanying drawing in describing below is the part preferred embodiment of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the three dimensional structure schematic diagram of first embodiment；
Fig. 2 is the top view of first embodiment；
Fig. 3 is the sectional view of first embodiment；
Fig. 4 is the sectional view of the second embodiment；
Fig. 5 is the sectional view of the 3rd embodiment；
Fig. 6 is the partial enlarged drawing in Fig. 5 at A；
Fig. 7 is the charged device of air structural representation when inflation；
Fig. 8 is the charged device of air structural representation when air-breathing；
Fig. 9 is the sectional view of the 4th embodiment；
Figure 10 is the sectional view of the 5th embodiment；
Figure 11 is the sectional view of sixth embodiment；
Figure 12 is the partial enlarged drawing in Figure 11 at B.
nullIn figure: 1 crosses stream bucket lip，101 water inlets，102 outlets，103 inflation inlets，104 reverse radian drain pipies，105 the most lower drain pipies，106 sides guide trachea，107 block water chamber，108 tracheas，109 charged device of air，1091 vacuum pumps，1092 air pumps，110 cone tanks，111 conic ceramic filter elements，112 gathering sills，113 conical sliding blocks，114 conical plugs，115 first springs，116 sliding plungers，117 inflation/deflation cavitys，118 inducing QI connecting legs，119 oblique tracheas，120 main tracheas，Ceramic element in 121 pipes，122 vertical communication pipes，The 123 upper broken pipes of auxiliary，124 auxiliary VERTICAL TUBE，125 second springs，126 cylindrical plags，127 subsidiary level pipes，2 partition walls，201 upper vent holes，3 abutment walls，4 solar powered modules，401 poles，402 first motors，403 solar panels，404 second motors，405 turntables，406 gears.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of preferred embodiment of the present invention rather than whole embodiments.Those skilled in the art can do similar deformation in the case of intension of the present invention, and therefore the present invention is not limited by following public specific embodiment.
First embodiment is as shown in Figure 1 to Figure 3.
The both ends crossing stream bucket lip 1 are provided with partition wall 2 and abutment wall 3, it is each provided with a water inlet 101 crossing camber line two bottom sides at stream bucket lip 1, described water inlet 101 bottom (i.e. crossing stream bucket lip 1 internal embedding) opening connection has reverse radian drain pipe 104, reversely radian drain pipe 104 connects the most lower drain pipe 105, described oblique lower drain pipe 105 is laid with horizontal line angle 30-45 degree angle, and the most lower drain pipe 105 outlet 102 exports elevation and should be higher than that downstream ordinary water level.
Side guiding trachea 106, the chamber 107 that blocks water, trachea 108 it is embedded with inside stream bucket lip 1 crossing.Arranging charged device of air 109 on the abutment wall 3 crossing stream bucket lip 1, described charged device of air 109 includes vacuum pump 1091 and air pump 1092.
The side of described charged device of air 109 is provided with solar powered module 4, charged device of air 109 passes through to electrically connect with solar powered module 4, described solar powered module includes pole 401, described pole 401 is provided with turntable 405, the downside of described turntable 405 is provided with the tooth bar of annular, described rack and pinion 406 is meshed, gear 406 is arranged on the first motor 402, first motor 402 is fixed on pole 401, described turntable 405 is provided with the second motor 404, second motor 404 end connects mounting blocks, solar panels 403 it are provided with on described mounting blocks.
It is provided with side in described reverse radian drain pipe 104 side and guides trachea 106, described side guides trachea 106 to connect has one to block water chamber 107, chamber 107 connection that blocks water has trachea 108, trachea 108 connects charged device of air 109, charged device of air 109 is placed on abutment wall 3 or other places only flowed, it is simple to maintenance of equipment.Wherein the vacuum pump 1091 in charged device of air 109 plays water suction and the effect of air-breathing, and air pump 1092 plays the effect of inflation.
A kind of more excellent design, guides trachea 106 and blocks water and be provided with waterproof ventilated membrane between chamber 107 in described side.This design, first can solve to cross the cavitation that the negative pressure at stream bucket lip 1 causes during stream, is inflated can be completed by the air pump 1092 of charged device of air 109；Second can solve stream after cross residual water problem in stream bucket lip 1, directly can discharge remaining residue water by drain pipe, also can realize the effect of Quick drainage by the vacuum pump 1091 with charged device of air 109；Mistake is flowed the water currents of bucket lip 1 by the minimizing that is designed to of the 3rd reverse radian designing and arranging water pipe 104, keeps normal fluidised form and avoids the adverse effect of the effective flip shot range to overflow；4th design blocking water chamber 107 avoids flowing water to be adsorbed to cause in charged device of air 109 damage of equipment；5th side guides trachea 106 and blocks water and be provided with waterproof ventilated membrane between chamber 107, and this design preferably achieves charged airway dysfunction, without worrying that flowing water causes the damage of equipment, designs the most ingenious.
Flood Design Discharge for Spillway stream is issuable rough sledding when stream bucket lip 1:
1. choose stream operating mode: the lower stream stream that sluices defines trajectory nappe through stream bucket lip 1, under the effect of high-velocity flow, caused the ventilation of stream bucket lip 1 tail end not smooth, and be easily generated negative pressure appearance.
2. surface current operating mode: when the level of tail water is higher, lower sluicing stream stream process stream bucket lip 1 defines surface current, defines water vortex on stream bucket lip 1 top excessively thus create substantial amounts of bubble.
Owing to water velocity is exceedingly fast, when crossing stream bucket lip 1 ogee section top generation bubble and tail end negative pressure occurs, inflation by air pump 1092, large quantity of air discharges gas in high-velocity flow by reverse radian drain pipe 104 and the most lower drain pipe 105, cut down the suction strength of stream bucket lip 1, thus alleviate cavitation.
After flood discharge, cross and have hydrops bottom stream bucket lip 1 ogee section, by means of water inlet 101, reverse radian drain pipe 104 and the most lower drain pipe 105, hydrops is guided to outlet 102 and makes water get rid of；Now can also start vacuum pump 1091 so that water inlet 101 is in negative pressure state, it is possible to accelerate to drain the water away.
In the first embodiment, after flood discharge, there is a certain amount of residue, such as earth, leaves in the bottom crossing stream bucket lip 1, there is the hidden danger blocking drain pipe.Therefore the second embodiment is as shown in Figure 4.
It is to be designed as cone tank 110 at water inlet 101 with the difference of first embodiment, at described cone tank 110, conic ceramic filter element 111 is installed.Described cone tank 110 top forms smooth connection with crossing stream bucket lip 1 camber line, keeps the normal fluidised form of overflow and effective flip shot range.
A kind of more excellent design, between described cone tank 110 and conic ceramic filter element 111, it is provided with and prevents conic ceramic filter element 111 and cross the possible cushion pad producing brittle break of stream bucket lip 1 rigid contact, described cushion pad may also operate as reinforcing the effect of conic ceramic filter element 111, and described cushion pad is rubber blanket.The design of conic ceramic filter element 111 is avoided that the alluvial that drain pipe is caused by the foreign material such as silt, moreover it is possible to filter out major part foreign material so that current can flow into drain pipe smoothly, it is to avoid obstruction within drain pipe.
During actual flood discharge, such as under choosing stream operating mode, the lower stream stream that sluices defines trajectory nappe through stream bucket lip 1, under the effect of high-velocity flow, caused the ventilation of stream bucket lip 1 tail end the most smooth, being easily generated negative pressure appearance, therefore improved on the basis of the second embodiment, the 3rd implements such as shown in Fig. 5 to Fig. 8.
Being to be provided with a gathering sill 112 in side guides trachea 106 with the difference of the second embodiment, connecting on described gathering sill 112 has conical sliding block 113, described conical sliding block 113 to slide in gathering sill 112, and be positioned at the one of gathering sill 112.In reverse radian drain pipe 104, it is provided with a conical plug 114, between conical plug 114 and reverse radian drain pipe 104, is provided with the first spring 115.When conical sliding block 113 slides in gathering sill 112, conical sliding block 113 extrudes conical plug 114 so that conical plug 114 vertical direction in reverse radian drain pipe 104 moves up and down.
As shown in Figure 7 and Figure 8, charged device of air 109 is connected with trachea 108, trachea 108 links together with the chamber 107 that blocks water, chamber 107 connection that blocks water has side to guide trachea 106, it is provided with waterproof ventilated membrane between chamber 107 and side guiding trachea 106 described blocking water, in described side guides trachea 106, it is provided with gathering sill 112, gathering sill 112 is provided with conical sliding block 113, in described gathering sill 112, is provided with inflation/deflation cavity 117.Described inflation/deflation cavity 117 is connected with inducing QI connecting leg 118, inducing QI connecting leg 118 connects the chamber 107 that blocks water, so can be regulated the relative pressure size of inflation/deflation cavity 117 by charged device of air 109, and then change the inflation/deflation cavity 117 volume size formed between sliding plunger 116 and the gathering sill 112 on conical sliding block 113.Therefore the conical sliding block 113 position on gathering sill 112 can be changed.
When having served as flowing bucket lip by high-velocity flow, avoiding cavitation to cut down negative pressure, the air pump 1092 in charged device of air 109 works, start inflation, now conical sliding block 113 moves to right extruding conical plug 114 so that conical plug 114 position occurs upper shifting, blocks reverse radian drain pipe 104.So that major part gas drain pipe 105 from oblique was expelled to stream bucket lip 1 tail end, alleviate suction strength, it is to avoid cavitation erosion occurs；After flood discharge terminates, when needing to discharge the hydrops in stream bucket lip 1, vacuum pump 1091 in charged device of air 109 works, start air-breathing, conical sliding block 113 moves to left so that conical plug 114 moves down naturally, departs from reverse radian drain pipe 104 closed position, make reverse radian drain pipe 104 unimpeded, so that hydrops is discharged smoothly from outlet 102.
Having served as flowing bucket lip 1 tail end negative pressure value when increasing further, will offset except cavitation brings certain adverse effect, therefore the 4th embodiment is improved on the basis of the 3rd embodiment, it will strengthens at most, eliminates bigger negative pressure, as shown in Figure 9.
It is inside stream bucket lip 1 excessively to be embedded with a main trachea 120 with the difference of the 3rd embodiment, one end of main trachea 120 is connected with reverse radian drain pipe 104 tail end or the most lower drain pipe 105 top, a kind of scheme more preferably, is provided with an oblique trachea 119 at main trachea 120 with reverse radian drain pipe 104 junction.The other end of main trachea 120 was arranged on the tail end of stream bucket lip 1, and this end is preferably provided with and prevents foreign object from entering ceramic element 121 in the pipe of main trachea.A kind of scheme more preferably, is provided with a waterproof ventilated membrane between ceramic element 121 in described main trachea 120 and pipe.
In order to effectively solve pressure balance problem, improved on the basis of the 4th embodiment and seen the 5th embodiment, as shown in Figure 10, be to be added with the first supplemental inflatable mechanism with the difference of the 4th embodiment.
Described first supplemental inflatable mechanism includes vertical communication pipe 122 and is arranged on the airway within partition wall 2 and upper vent hole 201.
Described vertical communication pipe 122 connects has some main tracheas 120, vertical communication pipe 122 to be connected with the upper vent hole 201 at partition wall 2 top.Described upper vent hole 201 can play the effect of equilibrium pressure, i.e. gas can be automatically adjusted in upper vent hole 201 into or out freely according to external and internal pressure value, and upper vent hole 201 top should be provided with preventer, prevent foreign body from entering.
Under surface current operating mode, the lower stream stream that sluices defines surface current through stream bucket lip 1, defines water vortex crossing stream bucket lip 1 top thus creates substantial amounts of bubble, now considers sixth embodiment.
Sixth embodiment is as is illustrated by figs. 11 and 12.It is to be added with the second supplemental inflatable mechanism with the difference of the 5th embodiment.
Described second supplemental inflatable mechanism includes assisting broken pipe 123, auxiliary VERTICAL TUBE the 124, second spring 125, cylindrical plag 126 and subsidiary level pipe 127.
In auxiliary, broken pipe 123 connects cone tank 110, and the other end connects auxiliary VERTICAL TUBE 124；Auxiliary VERTICAL TUBE 124 connects subsidiary level pipe 127, being provided with one second spring 125 in described subsidiary level pipe 127, the second spring 125 connects has cylindrical plag 126, described cylindrical plag 126 to slide in subsidiary level pipe 127, subsidiary level pipe 127 is connected with the chamber 107 that blocks water
A kind of more excellent scheme, at subsidiary level pipe 127 and block water and be provided with a waterproof ventilated membrane between chamber 107.
When carrying out flood discharge and solving negative pressure appearance, when the air pump 1092 of charged device of air 109 is inflated, intraductal pressure reaches to a certain degree, the second spring 125 forced compression being in subsidiary level pipe 127, thus the position of cylindrical plag 126 moves to right, make to assist VERTICAL TUBE 124 to be connected with the chamber 127 that blocks water, so that gas is from assisting VERTICAL TUBE 124, auxiliary in broken pipe 123 to cone tank 110, and then eliminated the bubble phenomenon on stream bucket lip 1 top.
In addition to the technical characteristic described in description, it is the known technology of those skilled in the art.
Claims (5)
1. the preventer being used for flowing bucket lip, it is characterized in that, cross camber line two bottom sides at stream bucket lip and be each provided with a water inlet, described water inlet bottom opening connects reverse radian drain pipe, reversely radian drain pipe connects the most lower drain pipe, described oblique lower drain pipe becomes 30-45 ° of angle, outlet outlet elevation need to be higher than downstream ordinary water level with horizontal line；It is embedded with side in described stream bucket lip excessively and guides trachea, block water chamber, trachea, charged device of air is set on abutment wall, described charged device of air includes vacuum pump and air pump, described charged device of air side is provided with solar powered module, charged device of air passes through to electrically connect with solar powered module, described solar powered module includes pole, described pole is provided with turntable, the downside of described turntable is provided with the tooth bar of annular, described rack and pinion is meshed, gear is arranged on the first motor, first motor is fixed on pole, described turntable is provided with the second motor, second motor end connects mounting blocks, it is provided with solar panels on described mounting blocks；nullIt is provided with side in described reverse radian drain pipe side and guides trachea，Described side guides trachea to connect has one to block water chamber，The chamber connection that blocks water has trachea，Trachea connects charged device of air，Guide trachea in described side and block water and between chamber, be provided with waterproof ventilated membrane，Described the design of intake is cone tank，Conic ceramic filter element is installed at described cone tank，Described cone tank top forms smooth connection with crossing stream bucket lip camber line，Described side guides tracheal strips to be provided with a gathering sill，Described gathering sill connects and has conical sliding block，Described conical sliding block slides in gathering sill，Conical sliding block bottom is provided with sliding plunger，It is provided with in described gathering sill by the inflation/deflation cavity formed between sliding plunger and gathering sill，Described inflation/deflation cavity is connected with inducing QI connecting leg，Inducing QI connecting leg connects the chamber that blocks water，It is provided with a conical plug in reverse radian drain pipe，It is provided with the first spring between conical plug and reverse radian drain pipe.
The most according to claim 1 a kind of for crossing the preventer flowing bucket lip, it is characterized in that, described mistake in stream bucket lip is provided with a main trachea, main trachea is connected with reverse radian drain pipe, the main trachea other end connects with crossing stream bucket lip tail end, main trachea and reverse radian drain pipe junction are provided with an oblique trachea, in described main gas tube and tube, are provided with a waterproof ventilated membrane between ceramic element.
The most according to claim 2 a kind of for crossing the preventer flowing bucket lip, it is characterized in that, also include the first supplemental inflatable mechanism, described first supplemental inflatable mechanism includes vertical communication pipe and is arranged on the airway within abutment wall, described vertical communication pipe connects some main tracheas, and vertical communication pipe is connected with the upper vent hole at abutment wall top.
The most according to claim 3 a kind of for crossing the preventer flowing bucket lip, it is characterized in that, also include the second supplemental inflatable mechanism, described second supplemental inflatable mechanism includes assisting broken pipe, auxiliary VERTICAL TUBE, the second spring, cylindrical plag and subsidiary level pipe, in auxiliary, broken pipe connects cone tank, and the other end connects auxiliary VERTICAL TUBE；Auxiliary VERTICAL TUBE connects subsidiary level pipe, is provided with one second spring in described subsidiary level pipe, and the second spring connects cylindrical plag, and described cylindrical plag slides in subsidiary level pipe, and subsidiary level pipe is connected with the chamber that blocks water.
The most according to claim 4 a kind of it is characterized in that for crossing the preventer flowing bucket lip, described subsidiary level pipe and block water and be provided with a waterproof ventilated membrane between chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202246.6A CN105821815B (en) | 2016-04-01 | 2016-04-01 | A kind of protector for excessively stream bucket lip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202246.6A CN105821815B (en) | 2016-04-01 | 2016-04-01 | A kind of protector for excessively stream bucket lip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105821815A true CN105821815A (en) | 2016-08-03 |
| CN105821815B CN105821815B (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610202246.6A Expired - Fee Related CN105821815B (en) | 2016-04-01 | 2016-04-01 | A kind of protector for excessively stream bucket lip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837143A (en) * | 2022-06-09 | 2022-08-02 | 中国电建集团中南勘测设计研究院有限公司 | Flip bucket and drainage structure thereof |
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| CN200964584Y (en) * | 2006-10-25 | 2007-10-24 | 广东省电力设计研究院 | Defoaming antifogging pressure type dissipator overflow weir |
| CN202718071U (en) * | 2012-08-31 | 2013-02-06 | 黄河勘测规划设计有限公司 | Barrage structure capable of lowering silt of reservoir area |
| CN205530163U (en) * | 2016-04-01 | 2016-08-31 | 山东省水利科学研究院 | Protection device for be used for overflowing bucket lip |
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2016
- 2016-04-01 CN CN201610202246.6A patent/CN105821815B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696412A (en) * | 2002-10-24 | 2005-11-16 | 福建省水利水电勘测设计研究院 | Method for designing practical weir in broadband and coarse vacuum |
| JP2007177395A (en) * | 2005-12-26 | 2007-07-12 | Chugoku Electric Power Co Inc:The | Energy dissipation works of spillway water flow and energy dissipation method |
| CN200964584Y (en) * | 2006-10-25 | 2007-10-24 | 广东省电力设计研究院 | Defoaming antifogging pressure type dissipator overflow weir |
| CN202718071U (en) * | 2012-08-31 | 2013-02-06 | 黄河勘测规划设计有限公司 | Barrage structure capable of lowering silt of reservoir area |
| CN205530163U (en) * | 2016-04-01 | 2016-08-31 | 山东省水利科学研究院 | Protection device for be used for overflowing bucket lip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114837143A (en) * | 2022-06-09 | 2022-08-02 | 中国电建集团中南勘测设计研究院有限公司 | Flip bucket and drainage structure thereof |
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| CN105821815B (en) | 2017-07-14 |
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