CN201695384U - Reservoir high water level flat-plate closing flood-discharge door - Google Patents
Reservoir high water level flat-plate closing flood-discharge door Download PDFInfo
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- CN201695384U CN201695384U CN2010202387374U CN201020238737U CN201695384U CN 201695384 U CN201695384 U CN 201695384U CN 2010202387374 U CN2010202387374 U CN 2010202387374U CN 201020238737 U CN201020238737 U CN 201020238737U CN 201695384 U CN201695384 U CN 201695384U
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- gate
- storage tank
- water
- hongmen
- water level
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Abstract
The utility model discloses a reservoir high water level flat-plate closing flood-discharge door, which is characterized in that the air face of the flood-discharge door is provided with a water storage tank, the top surface of the water storage tank is provided with a water inlet hole, the bottom surface of the water storage tank is provided with a water discharge hole, the diameter of the water inlet hole of the water storage tank is more than that of the water discharge hole, the water inlet hole is provided with a filter screen, and the outer edge of the water storage tank is provided with a baffle which is higher than the top surface of the water storage tank. The utility model realizes the purpose of normally closing in place through weight balance of following of the automatic filling water and discharging water, extra weight can not be generated when the flood-discharge door is opened, thus the force for opening the door is the same as the sum of the weight of the flood-discharge door and the friction, a opening and closing device can not operate with overload and can ensure normal lifting, and in addition, the manufacture price is low. The utility model has the characteristics of the high safety, low manufacture price and simple structure.
Description
Technical field:
The utility model belongs to the water conservancy equipment field, is used to close and the drainage aquaporin, specifically relates to a kind of reservoir high water level and closes the flat excessive Hongmen Gate.It is suitable for outside the power station, the engineerings such as key water control project of reservoir and comprehensive utilization.
Background technology:
Human society is adopted various measures for the needs of survival and development, natural water and waters is developed and utilized, for example Hydropower Project.A vitals of this project is the Hongmen Gate that overflows, and it is in order to interception current, control water level, adjusting flow, discharging silt and drift etc., and it is also bearing the vital task that flood control is passed the flood period what is more important.
In order to create best operation condition, increase economic efficiency to the power station; Also safety in order to guarantee that downstream flood control is passed the flood period, the excessive Hongmen Gate must guarantee Normal Takeoff and Landing, the too high or excessive Hongmen Gate frictional force of reservoir level is excessive when occurring, surpass design load after, the Hongmen Gate that needs to overflow is closed and is put in place.Yet, the used excessive Hongmen Gate is box-beam structure at present, can guarantee Normal Takeoff and Landing at the initial stage of putting into operation, but after operation after a while, along with the corrosion of gate flap, frictional force constantly increases, the Hongmen Gate jam phenomenon when rising and falling of overflowing often takes place, can not normally close and put in place, this not only influences the power station and normally moves, and causes economic loss to the power station; And even more serious be the influence flood control work of passing the flood period, cause serious threat for the numerous people person and the property in downstream, power station.Put in place for the Hongmen Gate that overflows can be closed, the method that adopts has three kinds usually: increase fixed weight on the Hongmen Gate that overflows 1.; 2. utilize the hoist engine Hongmen Gate that will overflow to pull down; 3. utilize the hydraulic hoist piston rod toward pressing down.The equal Hongmen Gate of realizing overflowing of these three kinds of methods is closed the purpose that puts in place.But: if adopt the 1st kind of method, since headstock gear to open Men Li consistent with the own wt and the frictional force sum of the excessive Hongmen Gate, there is maximum static friction force in the Hongmen Gate that overflows when closing fully, carry goalkeeper this moment and maximum Qi Menli occurs, after increasing fixed weight on the Hongmen Gate that overflows, the Qi Menli that opens the Hongmen Gate that overflows is increased, and then surpass the headstock gear upper load limit; Moreover, need bigger expense, in 6000 yuan/t of balancing weight, the 20t balancing weight needs 120,000 yuan; If adopt the 2nd kind or the 3rd kind of method, all need the extra 2 cover opening and closing devices that increase, expense is up to 70~900,000 yuan, and because the installation of equipment is subjected to the restriction in place, is unfavorable for safe operation.
Summary of the invention:
The purpose of this utility model is: at above-mentioned the deficiencies in the prior art, provide a kind of and the headstock gear overburden just can normally be closed put in place, and the reservoir high water level of improvement expenses economy is closed the flat excessive Hongmen Gate.
The purpose of this utility model adopts following technical proposals to realize:
A kind of reservoir high water level is closed the flat excessive Hongmen Gate, and the back side of the described excessive Hongmen Gate is provided with storage tank, and the end face of storage tank is provided with the inlet opening, and the bottom surface is provided with drain hole, and the inlet opening diameter of described storage tank is greater than the drain hole diameter.
Described inlet opening is provided with screen pack.
The described excessive Hongmen Gate is that a joint gate flap or the above gate flap of a joint constitute.
The storage tank of the excessive Hongmen Gate that the above gate flap of a described joint constitutes is located on first joint gate flap and/or the minor details gate flap.
The storage tank top that is provided with on the described minor details gate flap is provided with drainage plate, and an end of this drainage plate is fixed on the gate flap at minor details gate flap top, and drainage plate is encompassed in the junction of minor details gate flap and minor details top gate flap in its area.
Described drainage plate is provided with the pull bar that is used for fixing.
Described drainage plate is a watt shape structure.
Described storage tank outer has the baffle plate that is higher than the storage tank end face.
The junction of the above gate flap of a described joint is provided with the internode water seal.
The beneficial effects of the utility model are: the excessive Hongmen Gate through the said structure transformation realizes normally closing the purpose that puts in place by the mobile counterweight with auto-flushing and draining, when overflowing the Hongmen Gate, unlatching can not produce extra weight yet, thereby open Men Li and also only equal overflow Hongmen Gate own wt and frictional force sum, can not make the headstock gear overload operation, can normally mention, it is also cheap to transform price in addition.It has characteristics such as safe, cheap, simple in structure.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the A--A sectional view of Fig. 1.
The last gate flap of code name implication: 1-among the figure; The 2-top seal; 3,7-inlet opening; The last storage tank of 4-; The 5-pull bar; The 6-drainage plate; The 8-lower water tank; 9,12-drain hole; Gate flap under the 10-; The water seal of 11-internode.
The specific embodiment:
Referring to Fig. 1, Fig. 2: the utility model is made of last gate flap 1 and 10 liang of joints of following gate flap, last gate flap 1 and following gate flap 10 by be connected bearing pin, junction plate connects into integral body, be provided with internode water seal 11 in their junction, internode water seal 11 is located on the upstream face of the Hongmen Gate that overflows, the internode water seal also can be located on the back side of the Hongmen Gate that overflows, and the position specifically is set decides according to concrete application.Be provided with storage tank 4 on the back side of last gate flap 1, the end face of last storage tank 4 is provided with inlet opening 3, and the bottom surface is provided with drain hole 12.Be provided with lower water tank 8 on the back side of following gate flap 10, the end face of lower water tank 8 is provided with inlet opening 7, and the bottom surface is provided with drain hole 9.No matter be the inlet opening 3 of going up storage tank 4, or the inlet opening 7 of lower water tank 8, their diameter is all big than separately drain hole diameter.In addition, stop up drain hole, cause the draining difficulty, on the inlet opening (3,7) of upper and lower storage tank (4,8), be provided with screen pack in order to prevent that rubbish from entering in the storage tank.
The top of the lower water tank 8 that is provided with on the following gate flap 10 is provided with drainage plate 6, and an end of this drainage plate 6 is fixed on the gate flap 1, and the other end extends the top of lower water tank 8.Drainage plate 6 is an arcuate structure, is a watt shape, and it will descend the gate flap 10 and the junction of last gate flap 1 to be encompassed in its area.The shape of this drainage plate 6 is various, and for example plate shaped (it is obliquely installed), L shaped (the one end is fixed, and the other end is sagging) etc. can be realized the purpose of drainage equally, and just the drainage plate drainage effect of watt shape structure is better, more durable.In order to make the more firm setting of drainage plate 6, be provided with pull bar 5 at the back of drainage plate 6, this pull bar 5 is fixed on the bottom of storage tank 4, and certainly, pull bar also can be provided in a side of the belly of drainage plate, is fixed on down on the gate flap.Outer at upper and lower storage tank (4,8) is provided with the baffle plate more taller than its end face, and this has prevented that the water that flows to the storage tank end face from flowing away from the edge again, makes storage tank can store water as soon as possible.
The utility model can also be that single gate flap is provided with storage tank except above-mentioned upper and lower gate flap all is provided with the storage tank, for example is being provided with on the last gate flap or is being provided with on the gate flap down.In addition, the utility model can also be to have only a joint gate flap and the excessive Hongmen Gate that constitutes, like this, storage tank can only be located on this gate flap, when gate flap has when a plurality of, can consider on its first joint gate flap and/or on the minor details gate flap storage tank is set, on the gate flap in the middle of also can being storage tank (need drainage plate be installed according to the minor details gate flap) is set, so that realize the purpose of counterweight, on the just first joint gate flap and/or that the counterweight effect of storage tank is set on the minor details gate flap is comparatively desirable.
In order to reduce cost, the utility model can also improve on the box bulkhgead gate of existing beam: epimerite gate flap case beam is transformed into storage tank, bottom discharge hole partial closure, side enter hole's complete closed, enlarge the inlet opening, it is big so just to have formed the inlet opening, the casing that weep hole is little, the end face of epimerite gate flap storage tank is increased the dash steel plate, screen pack is set to the inlet opening.Similar to the epimerite log type gate leaf and its, the coxopodite gate flap is transformed into storage tank, side enter hole's complete closed, enlarge the inlet opening, bottom discharge hole partial closure dwindles, and realizes drain function, in water seal place of gate flap internode drainage plate is installed, the end face of coxopodite gate flap storage tank is increased the dash steel plate, to the inlet opening screen pack is set and gets final product.If improve on the box bulkhgead gate of existing beam, about 2000~3000 yuan of the improvement expenses of every joint gate flap uses original gate opening/closing system, and is with low cost, safe.
Operating principle of the present utility model is:
The storage tank end face that water accumulates in gate flap is turned at top seal 2 places when the Hongmen Gate is overflow in keying, under the baffle effect at last storage tank 4 edges, prevented that water from flowing away from the edge, can only gather the end face of storage tank 4, flow in the casing of going up storage tank 4 by inlet opening 3, because the diameter of inlet opening 3 is bigger than the diameter of drain hole 12, therefore, flow of inlet water is greater than drain discharge, and casing can be full of water within a certain period of time becomes counterweight.After the excessive Hongmen Gate was closed fully, water was no longer turned at top seal 2 places, did not have water in the casing of last storage tank 4 and flowed into, and the storage water in the casing also can have been arranged rapidly through drain hole 12, and the Hongmen Gate that overflows recovers deadweight, does not influence and carries door next time.
Hongmen Gate internode water seal 11 in opening process launches the gap of about 0.005m owing to overflow, water under the high pressure can produce the high-speed jet phenomenon from the junction of last gate flap 1 and following gate flap 10, the water that high-speed jet goes out is by the drainage of drainage plate 6, be introduced into down the end face of the storage tank of gate flap 10, under the baffle effect at lower water tank 8 edges, prevented that water from flowing away from the edge, can only gather the end face of lower water tank 8,7 flow in the casing of lower water tank 8 from the inlet opening, in like manner, because the diameter of inlet opening 7 is bigger than the diameter of drain hole 9, flow of inlet water is greater than drain discharge, casing can be full of water within a certain period of time becomes counterweight, and unnecessary water can be routed up from the baffle plate end face and flow away after box house was full of.Gate is when promoting, closing in the closed procedure and stopping certain aperture, water filling process continues not stop, counterweight keeps, close fully up to gate, internode water seal 11 is closed, and the water-filling work of inlet opening 7 stops, have only the drainage works of drain hole 9 to continue, after storage water in the casing had been arranged rapidly, gate recovered deadweight, does not influence and carries door next time.
The utility model is particularly suitable for using when the high water level of power station, also can be applicable to the engineerings such as key water control project of reservoir and comprehensive utilization.
Claims (9)
1. a reservoir high water level is closed the flat excessive Hongmen Gate, and it is characterized in that: the back side of the described excessive Hongmen Gate is provided with storage tank, and the end face of storage tank is provided with the inlet opening, and the bottom surface is provided with drain hole, and the inlet opening diameter of described storage tank is greater than the drain hole diameter.
2. reservoir high water level according to claim 1 is closed the flat excessive Hongmen Gate, it is characterized in that: described inlet opening is provided with screen pack.
3. reservoir high water level according to claim 1 is closed the flat excessive Hongmen Gate, it is characterized in that: the described excessive Hongmen Gate is that a joint gate flap or the above gate flap of a joint constitute.
4. reservoir high water level according to claim 3 is closed the flat excessive Hongmen Gate, it is characterized in that: the storage tank of the excessive Hongmen Gate that the above gate flap of a described joint constitutes is located on first joint gate flap and/or the minor details gate flap.
5. reservoir high water level according to claim 4 is closed the flat excessive Hongmen Gate, it is characterized in that: the storage tank top that is provided with on the described minor details gate flap is provided with drainage plate, one end of this drainage plate is fixed on the gate flap at minor details gate flap top, and drainage plate is encompassed in the junction of minor details gate flap and minor details top gate flap in its area.
6. reservoir high water level according to claim 5 is closed the flat excessive Hongmen Gate, it is characterized in that: described drainage plate is provided with the pull bar that is used for fixing.
7. close the flat excessive Hongmen Gate according to claim 5 or 6 described reservoir high water level, it is characterized in that: described drainage plate is watt shape structure.
8. close the flat excessive Hongmen Gate according to claim 1 or 4 or 5 described reservoir high water level, it is characterized in that: described storage tank outer has the baffle plate that is higher than the storage tank end face.
9. reservoir high water level according to claim 3 is closed the flat excessive Hongmen Gate, it is characterized in that: the junction of the above gate flap of a described joint is provided with the internode water seal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010202387374U CN201695384U (en) | 2010-06-22 | 2010-06-22 | Reservoir high water level flat-plate closing flood-discharge door |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010202387374U CN201695384U (en) | 2010-06-22 | 2010-06-22 | Reservoir high water level flat-plate closing flood-discharge door |
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CN201695384U true CN201695384U (en) | 2011-01-05 |
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CN2010202387374U Expired - Lifetime CN201695384U (en) | 2010-06-22 | 2010-06-22 | Reservoir high water level flat-plate closing flood-discharge door |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106320284A (en) * | 2016-09-12 | 2017-01-11 | 合肥工业大学 | Double-leaf hydraulic gate capable of being opened and closed under effect of gravity |
CN106906798A (en) * | 2017-03-09 | 2017-06-30 | 黄安伦 | Automatic discharge sluice gate ballast water case |
-
2010
- 2010-06-22 CN CN2010202387374U patent/CN201695384U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106320284A (en) * | 2016-09-12 | 2017-01-11 | 合肥工业大学 | Double-leaf hydraulic gate capable of being opened and closed under effect of gravity |
CN106320284B (en) * | 2016-09-12 | 2018-05-01 | 合肥工业大学 | Double door leaf hydraulic gates that a kind of gravity opens and closes |
CN106906798A (en) * | 2017-03-09 | 2017-06-30 | 黄安伦 | Automatic discharge sluice gate ballast water case |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20110105 |