CN202830893U - Hydraulic drive system of steel dam gate with bottom shaft driven by hydraulic pressure to rotate - Google Patents
Hydraulic drive system of steel dam gate with bottom shaft driven by hydraulic pressure to rotate Download PDFInfo
- Publication number
- CN202830893U CN202830893U CN 201220485269 CN201220485269U CN202830893U CN 202830893 U CN202830893 U CN 202830893U CN 201220485269 CN201220485269 CN 201220485269 CN 201220485269 U CN201220485269 U CN 201220485269U CN 202830893 U CN202830893 U CN 202830893U
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- hydraulic
- hydraulic cylinder
- steel dam
- oil
- oil circuit
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- Expired - Fee Related
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Abstract
The utility model discloses a hydraulic drive system of a steel dam gate with a bottom shaft driven by hydraulic pressure to rotate. The hydraulic drive system comprises an electrical control system and a hydraulic system. The electrical control system comprises a programmable logic controller (PLC), a human-computer interface, an extended machine and a remote centralized control port, wherein the human-computer interface, the extended machine and the remote centralized control port are all connected with the PLC. The hydraulic system comprises a left hydraulic system and a right hydraulic system, wherein the left hydraulic system and the right hydraulic system are arranged on two sides of the steel dam gate and are the same in structure, the left hydraulic system comprises a hydraulic cylinder and a locking hydraulic cylinder, and the hydraulic cylinder and the locking hydraulic cylinder are connected with the same oil tank through an oil path. The hydraulic drive system of the steel dam gate with the bottom shaft driven by the hydraulic pressure to rotate is simple in structure, ingenious in design, convenient to use, maintain and manufacture, easy to assemble, high in automation degree, reliability and practicability, and capable of producing good economic benefits and social effects.
Description
Technical field
The utility model relates to start-stop device of water conservancy gate, is specifically related to a kind of water conservancy hydraulic-driven lower shaft rotation steel dam lock fluid power system.
Background technology
At present, what the retaining of river course and landscape engineering was mainly adopted is the form of ordinary steel gate and rubber dam, its control system adopts winch hoist or integrated hydraulic hoists more, exist operation, maintenance work to weigh, synchronous effect is undesirable, the characteristics that cost is high, and hydraulic pressure lower shaft rotation steel dam lock can effectively address the above problem, and designs a kind of Novel hydraulic driving system for this reason.
The utility model content
Goal of the invention: for the deficiencies in the prior art, the purpose of this utility model provides a kind of hydraulic-driven lower shaft rotation steel dam lock fluid power system, manufactures convenient, easy assembling, automation and reliability standard high so that it has.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution adopted in the utility model is as follows:
A kind of hydraulic-driven lower shaft rotation steel dam lock fluid power system comprises electrical control system and hydraulic system; Described electrical control system comprises programmable logic controller PLC, man-machine interface, striking machine and remote control interface; Described man-machine interface, striking machine and remote control interface all link to each other with programmable logic controller PLC; Described hydraulic system comprises and is located at described steel dam lock structure on two sides identical left hydraulic system and right hydraulic system; Described left hydraulic system comprises hydraulic cylinder and locking hydraulic cylinder, and described hydraulic cylinder links to each other with same fuel tank by oil circuit with the locking hydraulic cylinder.
The oil circuit that links to each other with fuel tank at described locking hydraulic cylinder, hydraulic cylinder is provided with two groups of solenoid operated directional valves and two groups of oil pumps; Communicate with locking hydraulic cylinder and hydraulic cylinder by oil circuit in parallel at described two groups of solenoid operated directional valves; Described two groups of oil pumps communicate the using and the reserved by oil circuit.
Connect into the loop by two oil circuits in parallel between described hydraulic cylinder and the second solenoid operated directional valve, be equipped with pressure switch, hydraulic control one-way valve and one-way throttle valve at every oil circuit, be provided with solenoid operated directional valve between two loops, two one way valves are connected to fuel tank by oil circuit.
Be provided with oil absorption filter at the oil circuit that communicates with described fuel tank.
Beneficial effect: compared with prior art, hydraulic-driven lower shaft rotation steel dam lock fluid power system of the present utility model, simple in structure, design ingenious, easy to use and safeguard that it is convenient to manufacture, easily assembling, automation and reliability standard are high, have good practicality, can produce good economic benefit and social effect.
Description of drawings
Fig. 1 is the structural representation of hydraulic-driven lower shaft rotation steel dam lock fluid power system.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, hydraulic-driven lower shaft rotation steel dam lock fluid power system comprises electrical control system and hydraulic system; Electrical control system comprises programmable logic controller PLC, man-machine interface, striking machine and remote control interface; Man-machine interface, striking machine and remote control interface all link to each other with programmable logic controller PLC.
Hydraulic system comprises and is located at described steel dam lock structure on two sides identical left hydraulic system and right hydraulic system.Left hydraulic system comprises hydraulic cylinder 17 and locking hydraulic cylinder 21.Hydraulic cylinder 17 and locking the hydraulic cylinder 21 all oil circuit by separately link to each other with same fuel tank 4.The oil circuit that links to each other with fuel tank 4 at locking hydraulic cylinder 21 is provided with the first solenoid operated directional valve 21 and oil pump 7, and oil pump 7 links to each other with motor 6, and the oil circuit below oil pump 7 is established oil absorption filter 5; Establish electromagnetic relief valve 8 and Superimposed relief valve 10 at the oil circuit that oil pump 7 links to each other with the first solenoid operated directional valve 21.The oil circuit that links to each other with fuel tank 4 at hydraulic cylinder 17 is provided with the second solenoid operated directional valve 9 and oil pump, and oil pump is continuous with corresponding alone motor, and the oil circuit below oil pump is established oil absorption filter.The first solenoid operated directional valve 20 communicates by oil circuit with the second solenoid operated directional valve 9.Connect into the loop by two oil circuits in parallel between hydraulic cylinder 17 and the second solenoid operated directional valve 9, be equipped with pressure switch 11 or 12, one way valve 16 and choke valve 13 at every oil circuit, being provided with 15, two one way valves of solenoid operated directional valve 16 between two loops communicates by oil circuit.Be provided with displacement transducer 18 and waterproof approach switch 19 at hydraulic cylinder 17.
The specific works process is as follows:
Close door operation (hydraulic cylinder retraction): after motor M 1, M2 start 5s, YA1, YA3, YV2, YV4 simultaneously electric, pressure oil is through the A of electro-hydraulic reversing valve 9 mouth, choke valve 13, hydraulic control one-way valve 16 enters the rod chamber of hydraulic cylinder, hydraulic cylinder retraction, closing gate.
Open door operation (hydraulic cylinder stretches out): after motor M 1, M2 start 5S, YA2, YA4, YV1, YV3 simultaneously electric, pressure oil is through the B of electro-hydraulic reversing valve 9 mouth, choke valve 13, hydraulic control one-way valve 16 enters the rodless cavity of hydraulic cylinder, hydraulic cylinder stretches out, gate opening.
Simultaneously operating (pattern of draining the oil): left and right sides hydraulic cylinder synchronous is drained the oil by electromagnetic valve 15 and is regulated control; Choke valve 13 is meter out, left and right sides hydraulic cylinder slow person drain the oil, when being closing gate, left hydraulic cylinder slowly then YV6 get tele-release oil, right hydraulic cylinder is slow, then YV8 gets tele-release oil, during gate opening, left hydraulic cylinder slowly then YV5 get tele-release oil, right hydraulic cylinder is slowly then, YV7 gets tele-release oil, and the twin-tub synchronous error is controlled in the 20mm.
Automatically reset: when gate dropped to 150mm because of hydraulic system leakage, device for detecting distance of travel instruction hydraulic pump group started, and makes gate be promoted to original position.If when continuing to drop to 200mm, the hydraulic pump group not yet starts, all should the acousto-optic alarm signal at central station of floating dock and scene.
Defencive function: when rod chamber pressure reached 13MPa, pressure switch 12 sent signal, and sound and light alarm is shut down; When rodless cavity pressure reached 10MPa, pressure switch 11 sent signal, and sound and light alarm is shut down.
Gate lock: when gate opening or close and put in place or when reaching a certain angle, the waterproof approach switch sends signal, solenoid operated directional valve 20 electromagnet get electric, and the locking hydraulic cylinder stretches out, and inserts in the arm hinge lock hole.
Claims (4)
1. a hydraulic-driven lower shaft rotation steel dam lock fluid power system is characterized in that: comprise electrical control system and hydraulic system; Described electrical control system comprises programmable logic controller PLC, man-machine interface, striking machine and remote control interface; Described man-machine interface, striking machine and remote control interface all link to each other with programmable logic controller PLC; Described hydraulic system comprises and is located at described steel dam lock structure on two sides identical left hydraulic system and right hydraulic system; Described left hydraulic system comprises hydraulic cylinder and locking hydraulic cylinder, and described hydraulic cylinder links to each other with same fuel tank by oil circuit with the locking hydraulic cylinder.
2. hydraulic-driven lower shaft according to claim 1 rotates steel dam lock fluid power system, and it is characterized in that: the oil circuit that links to each other with fuel tank at described locking hydraulic cylinder, hydraulic cylinder is provided with two groups of solenoid operated directional valves and two groups of oil pumps; Communicate with locking hydraulic cylinder and hydraulic cylinder by oil circuit in parallel at described two groups of solenoid operated directional valves; Described two groups of oil pumps communicate the using and the reserved by oil circuit.
3. hydraulic-driven lower shaft according to claim 1 and 2 rotates steel dam lock fluid power system, it is characterized in that: connect into the loop by two oil circuits in parallel between described hydraulic cylinder and the second solenoid operated directional valve, be equipped with pressure switch, hydraulic control one-way valve and one-way throttle valve at every oil circuit, be provided with solenoid operated directional valve between two loops, two one way valves are connected to fuel tank by oil circuit.
4. hydraulic-driven lower shaft rotation steel dam lock fluid power system according to claim 1 and 2 is characterized in that: be provided with oil absorption filter at the oil circuit that communicates with described fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220485269 CN202830893U (en) | 2012-09-21 | 2012-09-21 | Hydraulic drive system of steel dam gate with bottom shaft driven by hydraulic pressure to rotate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220485269 CN202830893U (en) | 2012-09-21 | 2012-09-21 | Hydraulic drive system of steel dam gate with bottom shaft driven by hydraulic pressure to rotate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202830893U true CN202830893U (en) | 2013-03-27 |
Family
ID=47942639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220485269 Expired - Fee Related CN202830893U (en) | 2012-09-21 | 2012-09-21 | Hydraulic drive system of steel dam gate with bottom shaft driven by hydraulic pressure to rotate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202830893U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938586A (en) * | 2014-04-29 | 2014-07-23 | 王敏 | Hydraulic lifting dam capable of being controlled wirelessly and remotely |
| CN104289519A (en) * | 2014-09-25 | 2015-01-21 | 成都冶金实验厂有限公司 | Hydraulic oil cylinder type rebar tail pressing machine |
-
2012
- 2012-09-21 CN CN 201220485269 patent/CN202830893U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938586A (en) * | 2014-04-29 | 2014-07-23 | 王敏 | Hydraulic lifting dam capable of being controlled wirelessly and remotely |
| CN104289519A (en) * | 2014-09-25 | 2015-01-21 | 成都冶金实验厂有限公司 | Hydraulic oil cylinder type rebar tail pressing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20180921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |