CN112523179A - Flood discharge device for water conservancy flood control engineering and use method - Google Patents

Flood discharge device for water conservancy flood control engineering and use method Download PDF

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Publication number
CN112523179A
CN112523179A CN202011454445.9A CN202011454445A CN112523179A CN 112523179 A CN112523179 A CN 112523179A CN 202011454445 A CN202011454445 A CN 202011454445A CN 112523179 A CN112523179 A CN 112523179A
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main pipe
pipe body
water
dam
outer side
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CN202011454445.9A
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CN112523179B (en
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王凯航
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B8/00Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B8/00Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/06Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Check Valves (AREA)

Abstract

The invention discloses a flood discharge device for water conservancy flood control engineering and a using method thereof, wherein the flood discharge device comprises a control valve component and a flow slowing component, and the control valve component is connected with the flow slowing component; the using method comprises the following steps: s1, inflating the inflatable air bag through an air compressor, and then controlling the handheld rod to drive the rotary screw rod to rotate; s2, rotating the rotating screw rod in the connecting screw hole, so that the sliding door slides longitudinally relative to the limit baffle; s3, after the sliding door slides longitudinally, the water flow on the inner side of the waterproof dam flows into the main pipe body; s4, blocking the water flow by a buffer block in the main pipe body; s5, the water flow is blocked by the sealing end of the main pipe body after flowing over the buffer block; s6, the water flow falls onto the buffer stopper through the slow flow port and is stopped by the elastic action of the buffer stopper; and S7, the water flow flows to the outer side wall of the waterproof dam along the inclined surface of the buffer stopper and flows to the lower part of the outer side of the waterproof dam along the inclined surface of the outer side wall of the waterproof dam.

Description

Flood discharge device for water conservancy flood control engineering and use method
Technical Field
The invention relates to the field of hydraulic engineering, in particular to a flood discharge device for hydraulic flood control engineering and a using method thereof.
Background
The flood discharge is the flood discharge, because the strong rainfall weather of continuation leads to the reservoir water level superelevation, in order to avoid the water level to overflow the reservoir, cause the serious harm that the dam collapses, all can produce devastating harm to reservoir downstream village or cities and towns, need discharge the water part that the water level continuously rises in the reservoir through the mode of opening the floodgate and draining water, current flood discharge device is in the flood discharge in-process, because the problem of difference in height, the rivers water pressure that flows out from the flood discharge device is great, the velocity of flow is very fast, it can directly impact the bottom ground of waterproof dam, can make the bottom ground structure of waterproof dam receive serious damage after long-term the use, thereby influence the structural stability of waterproof dam, the life of waterproof dam has been shortened.
Disclosure of Invention
The invention aims to solve the problems and provides a flood discharge device for water conservancy flood control engineering, which is simple in structure and convenient to operate, and a using method thereof.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a flood discharge device for water conservancy flood control engineering comprises a control valve component and a flow slowing component, wherein the control valve component is connected with the flow slowing component; the flow slowing assembly comprises a main pipe body, the main pipe body is inserted into a water drainage hole in the water-proof dam, the outer side wall of the main pipe body is in sealing connection with the inner side wall of the water drainage hole, one end, close to the inner side of the water-proof dam, of the main pipe body is connected with a control valve assembly fixedly connected to the inner side wall of the water-proof dam, one end, close to the outer side of the water-proof dam, of the main pipe body penetrates out of the outer side of the water drainage hole, the end is in sealing arrangement, a buffer block is arranged inside the main pipe body, and one side; the bottom end of the buffer block and the bottom end inside the main pipe body are integrally formed; the bottom of the end, close to the outer side of the waterproof dam, of the main pipe body is provided with a slow flow port longitudinally penetrating through the end wall of the bottom end of the main pipe body, the bottom end of the main pipe body is provided with a buffering stopper, the buffering stopper is located below the slow flow port, one end of the buffering stopper is fixedly connected with the end, close to the outer side of the waterproof dam, of the main pipe body, and the other end of the buffering stopper is fixedly connected with the outer side wall of the waterproof dam.
Furthermore, the buffering stopper is made of rubber or waterproof cloth, the buffering stopper is arranged in an inclined manner, a plurality of water outlets are arranged at the positions where the buffering stopper is contacted with the outer side wall of the waterproof dam, and the plurality of water outlets are arranged at equal intervals along the width direction of the buffering stopper.
Further, the control valve subassembly includes rotatory screw rod, limit baffle, the sliding door, the bearing frame, limit baffle has two and two limit baffle symmetries to set up in the outlet both sides, limit baffle and the one end lateral wall fixed connection of dam interior wall fixed connection and limit baffle and main pipe body, it can be for limit baffle longitudinal sliding to be provided with sliding door and sliding door between two limit baffle, the position of sliding door is corresponding with the position of outlet, be provided with the connection screw that vertically runs through the sliding door on the sliding door, connect screw female connection and have rotatory screw rod, rotatory screw rod top is passed behind the bearing frame of fixed connection on the dam interior wall and is held pole fixed connection.
Furthermore, an inflatable airbag is fixedly connected to the sliding door, an air inlet is formed in the top end of the inflatable airbag, the inflatable airbag is communicated with one end of the air inlet pipeline through the air inlet, and the other end of the air inlet pipeline is communicated with an air outlet of the air compressor.
Furthermore, a plurality of the water outlet holes are arranged on the dam in a ladder shape from top to bottom.
A use method of a flood discharge device for water conservancy flood control engineering comprises the following steps:
s1, inflating the inflatable air bag through the air compressor, and after inflation is completed, rotating the hand-held rod, so that the hand-held rod drives the rotating screw rod to rotate;
s2, rotating the rotating screw rod in the connecting screw hole, so that the sliding door slides longitudinally relative to the limit baffle;
s3, after the sliding door slides longitudinally, the water flow inside the waterproof dam is communicated with the drainage hole, and the water flow inside the waterproof dam flows into the main pipe body;
s4, the primary buffering operation is realized after the water flow is blocked by the buffering block in the main pipe body;
s5, the water flow is blocked by the sealing end of the main pipe body after flowing over the buffer block, so that the secondary buffering operation of the water flow is realized;
s6, the water flow blocked by the sealing end of the main pipe body falls onto the buffer stopper through the buffer flow port, and the third buffer operation of the water flow is realized through the elastic action of the buffer stopper;
and S7, enabling the water flow for the third buffering operation to flow onto the outer side wall of the waterproof dam along the inclined surface of the buffering stopper and flow to the lower part of the outer side of the waterproof dam along the inclined surface of the outer side wall of the waterproof dam.
Compared with the prior art, the invention has the advantages and positive effects that:
according to the invention, through the design that the buffering component is arranged in the drainage hole of the waterproof dam and the control valve component is arranged at one end of the drainage hole, which is positioned in the waterproof dam, when flood discharge is carried out, the communication state between water flow at the inner side of the waterproof dam and the drainage hole is controlled through the control valve component, and then multiple times of buffering operation is carried out when the water flow flows through the buffering component, so that the water pressure of the water flow coming out of the flood discharge device is reduced, the flow speed is reduced, meanwhile, the water flow finally flows to the bottom end of the waterproof dam along the outer side wall of the waterproof dam, larger water flow impact force cannot impact the ground of the bottom layer of the waterproof dam, the situation that the service life of the waterproof dam is shortened due to the fact that the structure of the bottom layer of the waterproof dam is damaged due to overlarge water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an external structural view of a waterproof dam;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a schematic structural view of a control valve assembly;
fig. 6 is a cross-sectional view C-C of fig. 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.
As shown in fig. 1 to fig. 6, the present embodiment discloses a flood discharge device for water conservancy flood protection engineering, which includes a control valve assembly and a flow slowing assembly, wherein the control valve assembly is connected to the flow slowing assembly;
the slow flow component comprises a main pipe body 2, a plurality of drainage holes 101 are formed in the waterproof dam 1, and the plurality of drainage holes 101 are arranged on the waterproof dam 1 in a step shape from top to bottom; the main pipe body 2 is inserted into the drain hole 101, the outer side wall of the main pipe body 2 is hermetically connected with the inner side wall of the drain hole 101, one end, close to the inner side (namely one side of adjacent water) of the waterproof dam 1, of the main pipe body 2 is connected with a control valve component fixedly connected to the inner side wall of the waterproof dam 1, one end, close to the outer side (namely one side far away from water) of the waterproof dam 1, of the main pipe body 2 penetrates out of the outer side of the drain hole 101, the end is hermetically arranged, a buffer block 201 is arranged inside the main pipe body 2, and one side, close to the control valve component, of the buffer block 201 is; due to the arc curved surface design, the impacted water flow can flow back along the arc curved surface, so that the buffer effect is obtained, and the stability of the connection structure of the buffer block and the main pipe body cannot be influenced due to overlarge impact force; the bottom end of the buffer block 201 and the bottom end inside the main pipe body 2 are integrally formed; the one end bottom that is close to the waterproof dam 1 outside of being responsible for body 2 is provided with the unhurried current mouth 202 that vertically runs through the end wall of being responsible for 2 bottom ends of being responsible for, and 2 bottom ends of being responsible for are provided with the buffering and keep off piece 3, and the buffering keeps off piece 3 and is located unhurried current mouth 202 below, and the buffering keeps off the top of piece 3 and is responsible for the one end fixed connection that body 2 is close to the waterproof dam 1 outside, and the buffering keeps off the bottom and the 1 lateral wall fixed connection.
The buffer stopper 3 is made of rubber or waterproof cloth, the buffer stopper 3 is arranged in an inclined manner, a plurality of water outlets 301 are arranged at the positions where the buffer stopper 3 is contacted with the outer side wall of the waterproof dam 1, and the plurality of water outlets 301 are arranged at equal intervals along the width direction of the buffer stopper 3.
The buffer stopper is arranged on a plane or in an arc surface shape, water flows to the joint of the buffer stopper and the outer side wall of the waterproof dam along the inclined surface of the upper side of the buffer stopper, then the water flows to the outer side wall of the waterproof dam from the two sides of the buffer stopper or the water outlet at the bottom end of the buffer stopper, and finally flows to the lower part of the waterproof dam along with the inclined surface of the outer side wall of the waterproof dam.
The control valve subassembly includes rotatory screw rod 4, limit baffle 6, sliding door 7, bearing frame 9, limit baffle 6 has two and two limit baffle 6 symmetries to set up in outlet 101 both sides, limit baffle 6 and 1 inside wall fixed connection of dam and limit baffle 6 and the one end lateral wall fixed connection of being responsible for body 2, it can be for 6 longitudinal sliding of limit baffle to be provided with sliding door 7 and sliding door 7 between two limit baffle 6, the position of sliding door 7 is corresponding with the position of outlet 101, be provided with the connection screw 701 that vertically runs through sliding door 7 on the sliding door 7, connect 7 threaded connection of screw hole has rotatory screw rod 4, 4 tops of rotatory screw rod pass behind the bearing frame 9 of fixed connection on 1 inside wall of dam with handheld pole 5 fixed connection.
The sliding door is enabled to longitudinally slide relative to the limiting baffle through rotation of the rotating screw rod, when the sliding door completely shields the drain hole, the water flow inside the waterproof dam and the drain hole are in an interruption state, and when the drain hole is opened by the sliding door, the water flow inside the waterproof dam and the drain hole are in a communication state.
An inflatable air bag 8 is fixedly connected to the sliding door 7, an air inlet is formed in the top end of the inflatable air bag 8, the inflatable air bag 8 is communicated with one end of an air inlet pipeline 10 through the air inlet, and the other end of the air inlet pipeline 10 is communicated with an air outlet of an air compressor.
When the sliding door needs to be moved upwards, the air compressor can be used for inflating the inflatable air bag, the inflatable air bag can provide an upward acting force for the sliding door under the buoyancy action of water flow in the waterproof dam after being inflated, the acting force can be combined with the acting force which is provided for the sliding door when the rotating screw rod rotates, people can more conveniently finish the upward moving operation of the sliding door, when the sliding door needs to be controlled to descend, all gas in the inflatable air cylinder is pumped out, and then the sliding door descends through the rotating screw rod.
The flood discharge device in the embodiment comprises the following steps:
s1, inflating the inflatable air bag 8 through the air compressor, and after inflation is completed, rotating the hand-held rod 5, so that the hand-held rod 5 drives the rotating screw rod 4 to rotate;
s2, rotating the rotating screw rod 4 in the connecting screw hole 701, so that the sliding door 7 slides longitudinally relative to the limit baffle 6;
s3, after the sliding door 7 slides longitudinally, the water flow inside the waterproof dam 1 is communicated with the water drainage hole 101, and the water flow inside the waterproof dam 1 flows into the main pipe body 2;
s4, the primary buffering operation is realized after the water flow is blocked by the buffering block 201 in the main pipe body 2;
s5, the water flow is blocked by the sealing end of the main pipe body 2 again after flowing over the buffer block 201, and the secondary buffer operation of the water flow is realized;
s6, the water flow blocked by the sealing end of the main pipe body 2 falls onto the buffer stopper 3 through the slow flow port 202, and the third buffer operation of the water flow is realized through the elastic action of the buffer stopper 3;
s7, the water flow for the third buffering operation flows along the inclined surface of the buffer catch 3 to the outer side wall of the dam 1 and flows along the inclined surface of the outer side wall of the dam 1 to the lower part of the outer side of the dam 1.
According to the invention, through the design that the buffering component is arranged in the drainage hole of the waterproof dam and the control valve component is arranged at one end of the drainage hole, which is positioned in the waterproof dam, when flood discharge is carried out, the communication state between water flow at the inner side of the waterproof dam and the drainage hole is controlled through the control valve component, and then multiple times of buffering operation is carried out when the water flow flows through the buffering component, so that the water pressure of the water flow coming out of the flood discharge device is reduced, the flow speed is reduced, meanwhile, the water flow finally flows to the bottom end of the waterproof dam along the outer side wall of the waterproof dam, larger water flow impact force cannot impact the ground of the bottom layer of the waterproof dam, the situation that the service life of the waterproof dam is shortened due to the fact that the structure of the bottom layer of the waterproof dam is damaged due to overlarge water.

Claims (6)

1. The utility model provides a flood discharge device for hydraulic flood control engineering which characterized in that: the flood discharge device comprises a control valve assembly and a flow slowing assembly, wherein the control valve assembly is connected with the flow slowing assembly; the flow slowing assembly comprises a main pipe body, the main pipe body is inserted into a water drainage hole in the water-proof dam, the outer side wall of the main pipe body is in sealing connection with the inner side wall of the water drainage hole, one end, close to the inner side of the water-proof dam, of the main pipe body is connected with a control valve assembly fixedly connected to the inner side wall of the water-proof dam, one end, close to the outer side of the water-proof dam, of the main pipe body penetrates out of the outer side of the water drainage hole, the end is in sealing arrangement, a buffer block is arranged inside the main pipe body, and one side; the bottom end of the buffer block and the bottom end inside the main pipe body are integrally formed; the bottom of the end, close to the outer side of the waterproof dam, of the main pipe body is provided with a slow flow port longitudinally penetrating through the end wall of the bottom end of the main pipe body, the bottom end of the main pipe body is provided with a buffering stopper, the buffering stopper is located below the slow flow port, one end of the buffering stopper is fixedly connected with the end, close to the outer side of the waterproof dam, of the main pipe body, and the other end of the buffering stopper is fixedly connected with the outer side wall of the waterproof dam.
2. A flood discharge apparatus for water conservancy flood protection works according to claim 1, wherein: the buffering stopper is made of rubber or waterproof cloth and is arranged in an inclined manner, a plurality of water outlets are formed in the positions, in contact with the outer side wall of the waterproof dam, of the buffering stopper, and the plurality of water outlets are arranged at equal intervals in the width direction of the buffering stopper.
3. A flood discharge apparatus for water conservancy flood protection works according to claim 2, wherein: the control valve subassembly includes the rotary screw, limit baffle, the sliding door, the bearing frame, limit baffle has two and two limit baffle symmetries to set up in the outlet both sides, limit baffle and the one end lateral wall fixed connection of dam inside wall fixed connection and limit baffle and main pipe body, it can be for limit baffle longitudinal sliding to be provided with sliding door and sliding door between two limit baffle, the position of sliding door is corresponding with the position of outlet, be provided with the connection screw that vertically runs through the sliding door on the sliding door, connect screw female connection and have rotary screw, rotary screw top pass behind the bearing frame of fixed connection on the dam inside wall with handheld pole fixed connection.
4. A flood discharge apparatus for water conservancy flood protection projects according to claim 3, wherein: the sliding door is fixedly connected with an inflatable air bag, the top end of the inflatable air bag is provided with an air inlet, the inflatable air bag is communicated with one end of an air inlet pipeline through the air inlet, and the other end of the air inlet pipeline is communicated with an air outlet of the air compressor.
5. A flood discharge device for water conservancy flood protection engineering according to claim 4, characterized in that: the plurality of the drain holes are arranged on the dam in a step shape from top to bottom.
6. A method of using the flood discharge apparatus for water conservancy flood protection project according to claim 5, wherein: the method comprises the following steps:
s1, inflating the inflatable air bag through the air compressor, and after inflation is completed, rotating the hand-held rod, so that the hand-held rod drives the rotating screw rod to rotate;
s2, rotating the rotating screw rod in the connecting screw hole, so that the sliding door slides longitudinally relative to the limit baffle;
s3, after the sliding door slides longitudinally, the water flow inside the waterproof dam is communicated with the drainage hole, and the water flow inside the waterproof dam flows into the main pipe body;
s4, the primary buffering operation is realized after the water flow is blocked by the buffering block in the main pipe body;
s5, the water flow is blocked by the sealing end of the main pipe body after flowing over the buffer block, so that the secondary buffering operation of the water flow is realized;
s6, the water flow blocked by the sealing end of the main pipe body falls onto the buffer stopper through the buffer flow port, and the third buffer operation of the water flow is realized through the elastic action of the buffer stopper;
and S7, enabling the water flow for the third buffering operation to flow onto the outer side wall of the waterproof dam along the inclined surface of the buffering stopper and flow to the lower part of the outer side of the waterproof dam along the inclined surface of the outer side wall of the waterproof dam.
CN202011454445.9A 2020-12-10 2020-12-10 Flood discharge device for water conservancy flood control engineering and use method Active CN112523179B (en)

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CN202011454445.9A CN112523179B (en) 2020-12-10 2020-12-10 Flood discharge device for water conservancy flood control engineering and use method

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Application Number Priority Date Filing Date Title
CN202011454445.9A CN112523179B (en) 2020-12-10 2020-12-10 Flood discharge device for water conservancy flood control engineering and use method

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CN112523179B CN112523179B (en) 2022-03-15

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652378A (en) * 2015-01-16 2015-05-27 四川大学 Variable-radius spiral flood discharge tunnel
KR20170100128A (en) * 2016-02-25 2017-09-04 주식회사 진원산업 water gate
CN209144760U (en) * 2018-11-13 2019-07-23 渠洪勋 A kind of hydraulic engineering construction water conservancy open-close sluice gate
CN209493922U (en) * 2019-01-21 2019-10-15 朱飞 A kind of hydraulic engineering ecological supporting structure
CN210066673U (en) * 2019-03-25 2020-02-14 北京京燕水务有限公司 Drainage groove of drain pipe
CN210288303U (en) * 2019-05-04 2020-04-10 廖敏 Dam body sluicing energy dissipation device
CN211256914U (en) * 2019-11-04 2020-08-14 李文博 Flood discharge groove is used in hydraulic engineering construction

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652378A (en) * 2015-01-16 2015-05-27 四川大学 Variable-radius spiral flood discharge tunnel
KR20170100128A (en) * 2016-02-25 2017-09-04 주식회사 진원산업 water gate
CN209144760U (en) * 2018-11-13 2019-07-23 渠洪勋 A kind of hydraulic engineering construction water conservancy open-close sluice gate
CN209493922U (en) * 2019-01-21 2019-10-15 朱飞 A kind of hydraulic engineering ecological supporting structure
CN210066673U (en) * 2019-03-25 2020-02-14 北京京燕水务有限公司 Drainage groove of drain pipe
CN210288303U (en) * 2019-05-04 2020-04-10 廖敏 Dam body sluicing energy dissipation device
CN211256914U (en) * 2019-11-04 2020-08-14 李文博 Flood discharge groove is used in hydraulic engineering construction

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