CN105221499B - Hydraulic control system for water-conservancy hydraulically-controlled multi-purpose dam - Google Patents
Hydraulic control system for water-conservancy hydraulically-controlled multi-purpose dam Download PDFInfo
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- CN105221499B CN105221499B CN201510552394.6A CN201510552394A CN105221499B CN 105221499 B CN105221499 B CN 105221499B CN 201510552394 A CN201510552394 A CN 201510552394A CN 105221499 B CN105221499 B CN 105221499B
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- way electromagnetic
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Abstract
The invention discloses a hydraulic control system (25) for a water-conservancy hydraulically-controlled multi-purpose dam. The hydraulic control system (25) is characterized in that the hydraulic control system (25) comprises a hydraulic pump (2), a three-position four-way electromagnetic directional valve (4), an overflow valve (15) and two execution mechanisms (9); two oil paths corresponding to the two execution mechanisms (9) are connected with two hydraulic-control one-way valves (16) composed of first pilot one-way valves (14) and second pilot one-way valves (17) respectively; two oil paths of the first pilot one-way valves (14) and the second pilot one-way valves (17) are connected with two working oil ports of the three-position four-way electromagnetic directional valve (4) respectively. The hydraulic control system has the advantages that flood discharge in the dam can be conducted automatically through hydraulic control; meanwhile, opening and closing of a dam door can be controlled manually, and automatic flood discharge can be conducted under an unattended condition; furthermore, various stations can be controlled through one hydraulic system, and requirements on different occasions are met.
Description
Technical field
The invention belongs to hydraulic engineering technical field, and in particular to a kind of water conservancy hydraulic control multipurpose dam and its controlling party
Method.
Background technology
Dam is block rivers ditch water flow with raising of water level or the water retaining structure of regulation flow.Reservoir can be formed, is lifted
High water level, regulated flow, concentration head, for flood control, water supply, irrigation, hydroelectric generation, improve shipping etc..Adjustment river gesture, protection
The river regulating structure of bank bed is also referred to as dam, such as groynes, longitudinal dike and ground sills etc..Such as patent No. ZL200420048618.7
The small-sized automatic flood discharge and water-retention check dam of a kind of Non-energy-consumption are disclosed in Chinese utility model patent, be it is characterized in that：Non-energy-consumption
Small-sized automatic flood discharge and water-retention check dam stop plank construction, rotary shaft above stop plank height is that the following stop plank of rotary shaft is high
Twice, the weight sum of the weight of rotary shaft above stop plank and reinforcing case, less than the weight of the following stop plank of rotary shaft blocks
The reinforcing case that water plate top is equipped with is one the water storage box for delaying reinforcing to act on.
Above-mentioned patent can be automatically opened up according to water level conditions and closed by the stop plank of check dam, when check dam upper water
Position reach check dam design flood discharge water level when, stop plank automatically open up flood discharge, when check dam upper pond level be down to check dam design
Close water level when, stop plank be automatically switched off water-retention again.The opening and closing of stop plank, be by stop plank special construction and block
Dam variation of water level and the power needed for action, and stop plank action are completed by itself strength of water, stop plank
Automatically open up and close be one can repetitive cycling automatically process.And for example application number CN201310232726.3, the applying date
2013.9.11, mechanical type activity checkdam, its feature are disclosed in the Chinese invention patent application of notification number CN103290815A
It is, including dam basis (1), movable dam facing (2), bottom rotating shaft (3), basic pre-buried fixed seat (4), Worm gear feed screw elevator
(5), air motor (6) and air compressor machine, the basic pre-buried fixed seat (4) installed in dam basis (1) on, the bottom rotating shaft
(3) basic pre-buried fixed seat (4) is installed on, the movable dam facing (2) is fixedly connected on bottom rotating shaft (3), the movable dam facing
(2) can rotate around bottom rotating shaft (3), the backwater of one end flexible connection activity dam facing (2) of the Worm gear feed screw elevator (5)
Face, the other end of the Worm gear feed screw elevator (5) is flexibly connected basic pre-buried fixed seat (4), the Worm gear feed screw elevator
(5) air motor (6) is connected, the air motor (6) connects air compressor machine.Above-mentioned patent is opened by mechanical control dam facing
Close, its structure is more complicated, while needing artificial control operation according to the function of pressure auto-control without itself.
The content of the invention
The present invention is directed to disadvantage mentioned above, needs artificial control folding based on existing water conservancy dam is solved, it is impossible to control automatically
System opens to adjust the problem of water levels of upstream and downstream.Propose a kind of water conservancy hydraulic control multipurpose dam and its using method, the water
Dam senses pressure in dam by hydraulic system can open and close automatically regulation water level, it is also possible to be adjusted to control manually, full
The various demands of foot.
To realize the purpose of the present invention, the technical solution used in the present invention is：
A kind of water conservancy hydraulic control multipurpose dam, including dam body, the dam body crossbeam being located at the top of dam body is characterized in that：Liquid
Pressure control system is located at the dam body bottom of dam body crossbeam both sides, is arranged on by the flexible actuator of hydraulic control system control
Above it；Dam plate is movably arranged between dam body, and its bottom is connected by crossing connecting shaft with the actuator of both sides.
Preferentially, also including ramp structure, the ramp structure is laid in dam body periphery, high laterally from dam body contact position
Gradually step-down is spent, often has mud here to pile up outside dam, this result can prevent mud from piling up affects dam plate to open.
The invention provides it is a kind of specially make actuator can with the hydraulic control system of simultaneous retractable, including hydraulic pump,
Three-position four-way electromagnetic directional valve, overflow valve and two actuators, corresponding two oil circuits of the single actuator connect respectively
Connect the dual hydraulic control one-way valve being made up of type pilot check valve one, type pilot check valve two；Type pilot check valve one, type pilot is unidirectional
Two oil circuits of valve two are connected respectively with two actuator ports of the three-position four-way electromagnetic directional valve, wherein：Type pilot is unidirectional
Check valve, type pilot check valve one and 3-position 4-way electromagnetism are also associated between valve two and the oil circuit of three-position four-way electromagnetic directional valve
First flow regulating valve is serially connected between the oil circuit of reversal valve, in addition, type pilot check valve two and three-position four-way electromagnetic directional valve
Between be also connected with the first oil circuit, on the flow divider concatenation oil circuit of here first of two second flow regulating valve compositions；3-position 4-way
The pressure oil circuit of solenoid directional control valve and oil return opening are connected respectively with hydraulic pump and fuel tank, and the 3rd flow control valve is serially connected in hydraulic pump
On the oil circuit being connected between three-position four-way electromagnetic directional valve, overflow valve is connected in parallel on in-line；Overflow valve is connected in parallel on in-line
On.Advantage ground, also including check valve one, check valve two and two position two-way valve, three is serially connected in dual hydraulic control one-way valve and execution machine
On oil circuit between structure, so can realize automatically controlling.
Preferentially, three-position four-way electromagnetic directional valve and two position two-way valve are control or Single-chip Controlling manually.
Above-mentioned dam automatically controls opening and closing method and principle, comprises the steps, (a) closes motor；B () is by three
Position four-way electromagnetic reversing valve works in middle position；C () two position two-way valve is in the next work；D () setting actuator is born
With dam external pressure peak value in dam, and while calculating oil mass in control closed circuit, it is ensured that it is 45 degree that dam plate opens maximum angle；When
When actuator is stretched out by pressure in dam, fluid flow back into expansion link rear side by check valve one, and dam plate is open 0-45
Degree automatic flood discharge；When actuator is inwardly shortened by dam external pressure, fluid flow back into expansion link front side, dam by check valve two
Plate is automatically switched off by external pressure.
The manual control deployment method on above-mentioned dam, comprises the steps, a) three-position four-way electromagnetic directional valve is in into right position
Work, (b) two position two-way valve is in upper work, (c) start motor and hydraulic oil in fuel tank is passed sequentially through by stream by hydraulic pump
Adjustable valve, three-position four-way electromagnetic directional valve, flow divider, type pilot check valve two make to stretch into the expansion link rear side of actuator
The elongation of contracting bar opens dam plate；At the same time, type pilot check valve one is also open, the fluid in front of the expansion link of actuator
Flow through the type pilot check valve one that is open by oil circuit to return in fuel tank by three-position four-way electromagnetic directional valve.
The manual control method for closing on above-mentioned dam, comprises the steps, a) three-position four-way electromagnetic directional valve is in into left position
Work, (b) two position two-way valve is in upper work, (c) start motor and hydraulic oil in fuel tank is passed sequentially through by stream by hydraulic pump
Adjustable valve, three-position four-way electromagnetic directional valve, flow control valve, type pilot check valve one enter the expansion link front side of actuator
Shortening expansion link closes dam plate；At the same time, type pilot check valve two is also open, the expansion link rear of actuator
Fluid is flow through the type pilot check valve two that is open by oil circuit and is returned in fuel tank by three-position four-way electromagnetic directional valve.
Compared with prior art, it is an advantage of the invention that：Can automatically to carrying out flood discharge in dam, together by hydraulic control
When can also manually control the opening and closing of Ba Men, can automatic flood discharge in the case of no supervision again, while a hydraulic pressure
System can regulate and control many kinds of work position, meet the demand of various different occasions.
Description of the drawings
Now next by means of the accompanying drawing of embodiment carrying out brief description to the present invention.In accompanying drawing：
Fig. 1 shows the structural representation on water conservancy hydraulic control multipurpose dam of the present invention；
Fig. 2 shows present hydraulic system schematic diagram.
In figure：1st, motor is started, 2, hydraulic pump, 3, flow control valve, 4, three-position four-way electromagnetic directional valve, 5, check valve,
6th, flow divider, 7, check valve one, 8, check valve two, 9, actuator, 10, two position two-way valve, 14, type pilot check valve one, 15,
Overflow valve, 16, dual hydraulic control one-way valve, 17, type pilot check valve two, 20, dam body, 21, dam body crossbeam, 22, dam plate, 24, slope
Structure, 25, hydraulic control system.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some deformations and improvement can also be made.These belong to the present invention
Protection domain.As described in Figure 1, a kind of water conservancy hydraulic control multipurpose dam, including dam body 20, is located at the dam body at the top of dam body 20
Crossbeam 21, hydraulic control system 25 is located at the bottom of dam body 20 of the both sides of dam body crossbeam 21, is stretched by the control of hydraulic control system 25
The actuator 9 of contracting is mounted thereon；Dam plate 22 is movably arranged between dam body 20, its bottom by crossed connecting shaft with
The actuator 9 of both sides connects, and actuator 9 can promote dam plate 22 to do the rotation of 0-45 degree.Also include ramp structure 24, it is described oblique
It is peripheral that slope structure 24 is laid in dam body 20, from the contact position of dam body 20 height gradually step-down laterally.As described in Figure 2, hydraulic control
System 25, including hydraulic pump 2, three-position four-way electromagnetic directional valve 4, overflow valve 15 and two actuators 9, the single execution machine
It is unidirectional that 9 corresponding two oil circuits of structure connect respectively the double hydraulic control being made up of type pilot check valve 1, type pilot check valve 2 17
Valve 16；Type pilot check valve 1, type pilot check valve 2 17 constitute dual hydraulic control one-way valve 16, and it realizes in systems peace
Full locking loop, can be such that actuator 9 stops in any position and prevent reverse movement from causing danger.
Type pilot check valve 1, type pilot check valve 2 17 two oil circuits respectively with the 3-position 4-way electromagnetic switch
Two actuator ports connection of valve 4, wherein：Between the oil circuit of type pilot check valve 2 17 and three-position four-way electromagnetic directional valve 4 also
It is connected between the oil circuit of check valve 5, type pilot check valve 1 and three-position four-way electromagnetic directional valve 4 and is serially connected with first flow tune
Section valve, in addition, the first oil circuit is also connected between type pilot check valve 2 17 and three-position four-way electromagnetic directional valve 4, two seconds
On the concatenation oil circuit of here first of flow divider 6 of adjustable valve composition, two oil circuit synchronization oil-feeds, two actuators can be so made
9 fluid flow is equal, and the action for making actuator 9 is realized synchronously, it is ensured that the harmony of action.
The pressure oil circuit of three-position four-way electromagnetic directional valve 4 and oil return opening are connected respectively with hydraulic pump 2 and fuel tank, the 3rd flow
Regulating valve 3 is serially connected on the oil circuit connected between hydraulic pump 2 and three-position four-way electromagnetic directional valve 4, and the valve port of flow control valve 3 is opened
Different sectional areas, adjusts uninterrupted in pipeline, can control the speed of the reciprocating action of actuator 9.Overflow valve 15 is simultaneously
Be associated on in-line, when due to motor speed is too fast etc. reason causes system pressure to increase when, when pressure is more than overflow valve valve port
During Opening pressure, the valve port of overflow valve 15 is opened, and carries out safe off-load, it is ensured that the safety of system.
In addition, also including check valve 1, check valve 28 and two position two-way valve 10, three is serially connected in dual hydraulic control one-way valve 16
On the oil circuit between actuator 9.Three-position four-way electromagnetic directional valve 4 and two position two-way valve 10 are Single-chip Controlling.
Based on said structure, this dam automatically controls opening and closing method and operation principle, comprises the steps, (a) closes
Motor 1；B () works three-position four-way electromagnetic directional valve 4 in middle position；C () two position two-way valve 10 is in the next work；D () sets
Determine actuator 9 to bear in dam and dam external pressure peak value, and oil mass in closed circuit is controlled while calculating, according to required
The waterline of moisture storage capacity, calculating now dam body needs inclined angle, calculates what is extended required for expansion link under the angle case
Distance, bar distance is multiplied by piston areal calculation oil pump capacity number, it is ensured that dam plate 22 open maximum angle be 45 degree；When holding
When row mechanism 9 is stretched out by pressure in dam, fluid flow back into expansion link rear side by check valve 1, and dam plate 22 is open 0-
45 degree of automatic flood discharges；When actuator 9 is inwardly shortened by dam external pressure, fluid is flow back into before expansion link by check valve 28
Side, dam plate 22 is automatically switched off by external pressure.
Based on said structure, this dam controls manually deployment method and operation principle, comprises the steps, (a) by 3-position 4-way
Solenoid directional control valve 4 works in right position, and (b) two position two-way valve 10 is in upper work, and (c) starting motor 1 will by hydraulic pump 2
Hydraulic oil passes sequentially through flow control valve 3, three-position four-way electromagnetic directional valve 4, flow divider 6, type pilot check valve 2 17 in fuel tank
Expansion link rear side into actuator 9 makes expansion link elongation open dam plate 22；At the same time, type pilot check valve 1
It is open, the fluid in front of the expansion link of actuator 9 flows through the type pilot check valve 1 that is open by oil circuit by three
Four-way electromagnetic reversing valve 4 is returned in fuel tank.
Based on said structure, this dam controls manually method for closing and operation principle, comprises the steps, (a) by 3-position 4-way
Solenoid directional control valve 4 works in left position, and (b) two position two-way valve 10 is in upper work, and (c) starting motor 1 will by hydraulic pump 2
Hydraulic oil passes sequentially through flow control valve 3, three-position four-way electromagnetic directional valve 4, flow control valve, type pilot check valve one in fuel tank
14 make expansion link shortening close dam plate 22 into the expansion link front side of actuator 9；At the same time, type pilot check valve 2 17
Also it is open, the fluid at the expansion link rear of actuator 9 flows through the type pilot check valve 2 17 that is open by oil circuit by three
Position four-way electromagnetic reversing valve 4 is returned in fuel tank.
Claims (1)
1. a kind of hydraulic control system on water conservancy hydraulic control multipurpose dam（25）, it is characterized in that, including hydraulic pump（2）, three
Four-way electromagnetic reversing valve（4）, overflow valve（15）With two actuators（9）, the single actuator（9）Corresponding two oil
Road connects respectively by type pilot check valve one（14）, type pilot check valve two（17）The dual hydraulic control one-way valve of composition（16）；Guide
Type check valve one（14）, type pilot check valve two（17）Two oil circuits respectively with the three-position four-way electromagnetic directional valve（4）'s
Two actuator port connections, wherein：Type pilot check valve two（17）With three-position four-way electromagnetic directional valve（4）Oil circuit between also connect
It is connected to check valve（5）, type pilot check valve one（14）With three-position four-way electromagnetic directional valve（4）Oil circuit between be serially connected with it is first-class
Adjustable valve, in addition, type pilot check valve two（17）With three-position four-way electromagnetic directional valve（4）Between be also connected with the first oil circuit, two
The flow divider of individual second flow regulating valve composition（6）On the concatenation oil circuit of here first；Three-position four-way electromagnetic directional valve（4）Pressure
Oil circuit and oil return opening respectively with hydraulic pump（2）With fuel tank connection, the 3rd flow control valve（3）It is serially connected in hydraulic pump（2）With three
Four-way electromagnetic reversing valve（4）Between connect oil circuit on, overflow valve（15）It is connected in parallel on in-line；
Also include check valve one（7）, check valve two（8）And two position two-way valve（10）, three is serially connected in dual hydraulic control one-way valve（16）
With actuator（9）Between oil circuit on；The three-position four-way electromagnetic directional valve（4）And two position two-way valve（10）For single-chip microcomputer control
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552394.6A CN105221499B (en) | 2014-10-01 | 2014-10-01 | Hydraulic control system for water-conservancy hydraulically-controlled multi-purpose dam |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410518178.5A CN104234015B (en) | 2014-10-01 | 2014-10-01 | A kind of water conservancy hydraulic control multipurpose dam and using method thereof |
| CN201510552394.6A CN105221499B (en) | 2014-10-01 | 2014-10-01 | Hydraulic control system for water-conservancy hydraulically-controlled multi-purpose dam |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410518178.5A Division CN104234015B (en) | 2014-10-01 | 2014-10-01 | A kind of water conservancy hydraulic control multipurpose dam and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221499A CN105221499A (en) | 2016-01-06 |
| CN105221499B true CN105221499B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410518178.5A Active CN104234015B (en) | 2014-10-01 | 2014-10-01 | A kind of water conservancy hydraulic control multipurpose dam and using method thereof |
| CN201510552394.6A Expired - Fee Related CN105221499B (en) | 2014-10-01 | 2014-10-01 | Hydraulic control system for water-conservancy hydraulically-controlled multi-purpose dam |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410518178.5A Active CN104234015B (en) | 2014-10-01 | 2014-10-01 | A kind of water conservancy hydraulic control multipurpose dam and using method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486341B (en) * | 2018-05-14 | 2023-03-21 | 博世力士乐（北京）液压有限公司 | Hydraulic control system and mobile working equipment |
| CN112576557B (en) * | 2020-12-25 | 2022-11-15 | 四川川润液压润滑设备有限公司 | Reservoir water level hydraulic control system and use method thereof |
| CN116676920B (en) * | 2023-08-03 | 2023-09-26 | 常州市舜辰水利机械有限公司 | Movable flood control wall opening and closing equipment |
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| CN201351643Y (en) * | 2009-02-12 | 2009-11-25 | 祝秋英 | Floodgate automatic control device |
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| CN204151754U (en) * | 2014-10-01 | 2015-02-11 | 高田华 | A kind of water conservancy multipurpose dam and hydraulic control system thereof |
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| JPH07207648A (en) * | 1994-01-21 | 1995-08-08 | Sanko Seisakusho:Kk | Inverted watergate equipment |
| CN2224684Y (en) * | 1995-03-14 | 1996-04-17 | 于立新 | Internal-external differential hydraulic pile hammer sequential direction changing oil path |
| CN1707033A (en) * | 2004-06-09 | 2005-12-14 | 上海海岳液压机电工程合作公司 | Stepless speed varying control method and system for hydraulic on/off machine with high pressure and great flow rate |
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2014
- 2014-10-01 CN CN201410518178.5A patent/CN104234015B/en active Active
- 2014-10-01 CN CN201510552394.6A patent/CN105221499B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000160539A (en) * | 1998-11-30 | 2000-06-13 | Shinko Sangyo Kk | Hydraulic device used for raising equipment of movable gate |
| CN201155495Y (en) * | 2007-12-10 | 2008-11-26 | 张明 | Water power automatic control shutter gate hydraulic system |
| CN201351643Y (en) * | 2009-02-12 | 2009-11-25 | 祝秋英 | Floodgate automatic control device |
| CN201495049U (en) * | 2009-09-29 | 2010-06-02 | 四川建设机械（集团）股份有限公司 | Jacking actuating unit for stacker crane |
| CN201581382U (en) * | 2009-11-16 | 2010-09-15 | 昆明理工大学 | Electro-hydraulic proportional control piston type two-lifting-point hydraulic hoist |
| CN102758421A (en) * | 2011-04-27 | 2012-10-31 | 扬州市飞龙气动液压设备有限公司 | Synchronous split-type hydraulic hoist |
| CN204151754U (en) * | 2014-10-01 | 2015-02-11 | 高田华 | A kind of water conservancy multipurpose dam and hydraulic control system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104234015B (en) | 2016-01-20 |
| CN104234015A (en) | 2014-12-24 |
| CN105221499A (en) | 2016-01-06 |
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| CB03 | Change of inventor or designer information |
Inventor after: Cao Feifeng Inventor after: Liu Junping Inventor before: Cao Feifeng Inventor before: Zhang Yi Inventor before: Li Xiaolong |
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Effective date of registration: 20170315 Address after: Hangzhou City, Zhejiang province 310014 City Zhaohui District Six Applicant after: Zhejiang University of Technology Address before: 310000 Xihu District, Zhejiang, Wensanlu Road 386-390, Xueyuan Road, No. 3, building, room 16, level 1609, 99 Applicant before: HANGZHOU YONGJI WATER SCIENCE AND TECHNOLOGY CO., LTD. |
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