CN206399608U - A kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor - Google Patents
A kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor Download PDFInfo
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- CN206399608U CN206399608U CN201621315254.3U CN201621315254U CN206399608U CN 206399608 U CN206399608 U CN 206399608U CN 201621315254 U CN201621315254 U CN 201621315254U CN 206399608 U CN206399608 U CN 206399608U
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- servomotor
- hydraulic
- valve
- oil
- hydraulic station
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 239000003208 petroleum Substances 0.000 claims description 12
- 239000002828 fuel tank Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000003137 locomotive effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 abstract description 20
- 238000012360 testing method Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 26
- 238000007405 data analysis Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model provides a kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor, belongs to hydraulic turbine servomotor leak test plant technical field.The beneficial effects of the utility model are：The hydraulic station testing stand of the utility model design, the bulge test to hydraulic turbine servomotor can be realized, when ensuring that the piston of servomotor can be at an arbitrary position, the detection leaked servomotor, by setting PLC to control the valve group of hydraulic station to carry out feed flow action, and speed and the position of the piston operation of the flow, pressure and servomotor of hydraulic oil are adjusted, realize detection servomotor leakage, control is accurate, and detection efficiency is high.
Description
Technical field
The utility model is related to hydraulic turbine servomotor leak test plant technical field, more particularly to a kind of for hydraulic turbine relay
The hydraulic station of device intelligence leak detection system.
Background technology
The main function of servomotor is the push-pull effort that oil pressure is changed into adjusting rod, so as to drive blade reclining operation machine
Structure（Connecting rod-whirling arm mechanism）, axial movement is changed into rotation of the blade around pivot, so as to realize that blade angle degree changes.
The shortcomings of there is oil leak due to servomotor, is driving blade angle modulation, easily causing 22 servomotors of water turbine set can not be synchronous,
Or single servomotor can not be acted, and blade angle modulation can not be realized；On the other hand, servomotor is in leakage test, at piston
In the case of oil cylinder two ends, it can realize that the piston of servomotor is lower at an arbitrary position there is presently no a kind of experimental rig and carry out
Seal leak test；And because cylinder body manufactures reason or uses damage of the process to cylinder body, servomotor leakage may occur
In different positions, there is presently no a kind of device come to the piston of servomotor at an arbitrary position on servomotor leak detection examination
Test；Therefore, by hydraulic station testing stand, the bulge test of hydraulic turbine servomotor is realized, it is ensured that the piston of servomotor can be any
Position, is the important leverage for detecting servomotor leakage.
How to solve the above problems, be the problem that the utility model is faced.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor.
The utility model is realized by following measure：A kind of hydraulic pressure for the intelligent leak detection system of hydraulic turbine servomotor
Stand, wherein, including the hydraulic station fuel tank being arranged on locomotive, it is arranged on the petroleum pipeline A at the hydraulic station fuel tank oil-out
Interior filter, the hydraulic pump that oil inlet is connected with the petroleum pipeline A, the drive shaft of output shaft and the hydraulic pump is coaxial
Oil pump electrical machinery, the automatically controlled input of the Oil pump electrical machinery connects the output end of frequency converter；At the oil-out of the hydraulic pump
Pressure gauge, flow control valve, overflow valve, ratio adjusting valve are set respectively successively on petroleum pipeline B；With the ratio adjusting valve phase
Set on the oil pipeline C of connection and Solenoid ball valve is set respectively on solenoid directional control valve, the output channel of the solenoid directional control valve, saved
Valve and pressure sensor are flowed, the output channel connects the oil inlet of servomotor by fast connector, on the servomotor
Grating scale is fixedly installed, the grating scale, the output end of pressure sensor connect PLC input, the control end of the PLC
The input of the frequency converter, the valve element drive end of flow control valve, the drive end of ratio adjusting valve, electromagnetic switch are connected respectively
The drive end of valve, the drive end of Solenoid ball valve and the drive end of choke valve.
The hydraulic station fuel tank is arranged on the movement for facilitating hydraulic station on locomotive.
The fast connector is used for the connecting line for connecting hydraulic station and the servomotor.
The output end of the pressure sensor and the input of the PLC connect and compose servomotor into and out of the oil pressure of hydraulic fluid port
Data Transmission Controlling passage.
The output end of the grating scale and the PLC input connect and compose servomotor piston displacement data processing and led to
Road.
The filter plays a role in filtering to the hydraulic oil in circulation work in hydraulic station fuel tank.
The hydraulic pump is the power source of hydraulic station, is whole hydraulic system feed flow under Oil pump electrical machinery driving.
The frequency converter is under PLC controls, the flowing velocity of hydraulic oil in control hydraulic pump, when servomotor translational speed is needed
When reducing, Frequency Converter Control hydraulic pump low-frequency operation.
The pressure gauge is used to indicate the pressure in feed flow loop.
The flow control valve is under PLC regulation and control, for controlling the hydraulic fluid flow rate size in feed flow loop.
The overflow valve be used for control the oil pressure of hydraulic oil in feed flow loop will not be too high and damage hydraulic system.
The ratio adjusting valve carries out ratio tune under PLC control for the oil pressure to the hydraulic oil in feed flow loop
Section, and then realize the speed regulation of servomotor.
The solenoid directional control valve is under PLC control, the flow direction for controlling hydraulic oil in feed flow loop.
The Solenoid ball valve is under PLC control, for connecting or ending hydraulic oil circuit, it is ensured that servomotor piston energy
Stop at an arbitrary position.
The choke valve is under PLC control, the stability of flow for controlling hydraulic oil in the hydraulic oil circuit.
The pressure sensor is for detecting that servomotor, into and out of the oil pressure numerical signal of the hydraulic oil of hydraulic fluid port, passes through PLC
Oil pressure numerical signal is subjected to data analysis and process.
The grating scale is used for the displacement for detecting servomotor piston, by PLC to the displacement of the servomotor piston detected
Carry out data analysis and formation speed figure.
The beneficial effects of the utility model are：The hydraulic station testing stand of the utility model design, can be realized to the hydraulic turbine
The bulge test of servomotor, it is ensured that when the piston of servomotor can be at an arbitrary position, the detection leaked servomotor, by setting
The valve group of PLC control hydraulic stations carries out feed flow action, and adjusts what the piston of the flow, pressure and servomotor of hydraulic oil was run
Speed and position, realize detection servomotor leakage, and control is accurate, and detection efficiency is high.
Brief description of the drawings
Fig. 1 is the overall structure diagram of hydraulic station in the utility model embodiment.
Fig. 2 is the structural representation of hydraulic station hydraulic system in the utility model embodiment.
Wherein, reference is：1st, hydraulic station fuel tank；1-1, petroleum pipeline A；2nd, filter；3rd, hydraulic pump；4th, oil pump electricity
Machine；5th, frequency converter；6th, petroleum pipeline B；7th, pressure gauge；8th, flow control valve；9th, overflow valve；10th, ratio adjusting valve；11st, petroleum pipeline
Road C；12nd, solenoid directional control valve；13rd, output channel；131st, fast connector；132nd, grating scale；14th, Solenoid ball valve；15th, throttle
Valve；16th, pressure sensor； 17、PLC.
Embodiment
For the technical characterstic for illustrating this programme can be understood, below by embodiment, this programme is illustrated.
Referring to Fig. 1 and Fig. 2, the utility model is：A kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor, its
In, including the hydraulic station fuel tank 1 being arranged on locomotive, it is arranged in the petroleum pipeline A1-1 at the oil-out of hydraulic station fuel tank 1
Filter 2, the hydraulic pump 3 that oil inlet is connected with petroleum pipeline A1-1, the output shaft oil pump electricity coaxial with the drive shaft of hydraulic pump 3
Machine 4, the automatically controlled input of Oil pump electrical machinery 4 connects the output end of frequency converter 5；On petroleum pipeline B6 at the oil-out of hydraulic pump 3
Pressure gauge 7, flow control valve 8, overflow valve 9, ratio adjusting valve 10 are set respectively successively；What is be connected with ratio adjusting valve 10
Set on oil pipeline C11 on solenoid directional control valve 12, the output channel 13 of solenoid directional control valve 12 and Solenoid ball valve 14 is set respectively, saved
Valve 15 and pressure sensor 16 are flowed, output channel 13 connects the oil inlet of servomotor by fast connector 131, on servomotor
Grating scale 132 is fixedly installed, grating scale 132, the output end of pressure sensor 16 connect PLC17 input, PLC17 control
End processed connects the input of frequency converter 5, the valve element drive end of flow control valve 8, the drive end of ratio adjusting valve 10, electromagnetism respectively
The drive end of reversal valve 12, the drive end of Solenoid ball valve 14 and the drive end of choke valve 15.
Hydraulic station fuel tank 1 is arranged on the movement for facilitating hydraulic station on locomotive.
Fast connector 131 is used for the connecting line for connecting hydraulic station and servomotor.
The output end of pressure sensor 16 and PLC17 input connect and compose servomotor into and out of the oil pressure data of hydraulic fluid port
Transmit control passage.
The output end of grating scale 132 and PLC17 input connect and compose servomotor piston displacement data processing channel.
Filter 2 plays a role in filtering to the hydraulic oil in circulation work in hydraulic station fuel tank 1.
Hydraulic pump 3 is the power source of hydraulic station, is whole hydraulic system feed flow under the driving of Oil pump electrical machinery 4.
Frequency converter 5 is under PLC17 controls, the flowing velocity of hydraulic oil in control hydraulic pump 3, when servomotor translational speed is needed
When reducing, the control low-frequency operation of hydraulic pump 3 of frequency converter 5.
Pressure gauge 7 is used to indicate the pressure in feed flow loop.
Flow control valve 8 is under PLC regulation and control, for controlling the hydraulic fluid flow rate size in feed flow loop.
Overflow valve 9 be used for control the oil pressure of hydraulic oil in feed flow loop will not be too high and damage hydraulic system.
Ratio adjusting valve 10 carries out ratio tune under PLC17 control for the oil pressure to the hydraulic oil in feed flow loop
Section, and then realize the speed regulation of servomotor.
Solenoid directional control valve 12 is under PLC17 control, the flow direction for controlling hydraulic oil in feed flow loop.
Solenoid ball valve 14 is under PLC17 control, for connecting or ending hydraulic oil circuit, it is ensured that servomotor piston energy
Stop at an arbitrary position.
Choke valve 15 is under PLC17 control, the stability of flow for controlling hydraulic oil in the hydraulic oil circuit.
Pressure sensor 16 is for detecting that servomotor, into and out of the oil pressure numerical signal of the hydraulic oil of hydraulic fluid port, passes through PLC17
Oil pressure numerical signal is subjected to data analysis and process.
Grating scale 132 is used for the displacement for detecting servomotor piston, by PLC17 to the displacement of the servomotor piston detected
Carry out data analysis and formation speed figure.
Technical characteristic of the utility model without description can be realized by or using prior art, will not be repeated here,
Certainly, described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the those of ordinary skill in domain is made in essential scope of the present utility model, should also belong to
Protection domain of the present utility model.
Claims (4)
1. a kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor, it is characterised in that including being arranged on locomotive
Hydraulic station fuel tank（1）, it is arranged on the hydraulic station fuel tank（1）Petroleum pipeline A at oil-out（1-1）Interior filter（2）, enter
Hydraulic fluid port and the petroleum pipeline A（1-1）The hydraulic pump being connected（3）, output shaft and the hydraulic pump（3）The coaxial oil of drive shaft
Pump motor（4）, the Oil pump electrical machinery（4）Automatically controlled input connection frequency converter（5）Output end；In the hydraulic pump（3）'s
Petroleum pipeline B at oil-out（6）On pressure gauge is set respectively successively（7）, flow control valve（8）, overflow valve（9）, proportion adjustment
Valve（10）；With the ratio adjusting valve（10）The oil pipeline C being connected（11）Upper setting solenoid directional control valve（12）, the electricity
Magnetic reversal valve（12）Output channel（13）It is upper that Solenoid ball valve is set respectively（14）, choke valve（15）And pressure sensor（16）,
The output channel（13）Pass through fast connector（131）The oil inlet of servomotor is connected, is fixedly installed on the servomotor
There is grating scale（132）, the grating scale（132）, pressure sensor（16）Output end connection PLC（17）Input, it is described
PLC（17）Control end connect the frequency converter respectively（5）Input, flow control valve（8）Valve element drive end, ratio adjust
Save valve（10）Drive end, solenoid directional control valve（12）Drive end, Solenoid ball valve（14）Drive end and choke valve（15）Drive
Moved end.
2. the hydraulic station according to claim 1 for the intelligent leak detection system of hydraulic turbine servomotor, it is characterised in that described
Fast connector（131）Connecting line for connecting hydraulic station and the servomotor.
3. the hydraulic station according to claim 1 for the intelligent leak detection system of hydraulic turbine servomotor, it is characterised in that described
Pressure sensor（16）Output end and the PLC（17）Input connect and compose servomotor into and out of the oil pressure data of hydraulic fluid port
Transmit control passage.
4. the hydraulic station according to claim 1 for the intelligent leak detection system of hydraulic turbine servomotor, it is characterised in that described
Grating scale（132）Output end and the PLC（17）Input connect and compose servomotor piston displacement data processing channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621315254.3U CN206399608U (en) | 2016-12-02 | 2016-12-02 | A kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621315254.3U CN206399608U (en) | 2016-12-02 | 2016-12-02 | A kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399608U true CN206399608U (en) | 2017-08-11 |
Family
ID=59509250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621315254.3U Expired - Fee Related CN206399608U (en) | 2016-12-02 | 2016-12-02 | A kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206399608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237111A (en) * | 2018-10-31 | 2019-01-18 | 北京航天益森风洞工程技术有限公司 | A kind of pressure-regulating hydraulic system and its control method of self-balancing pressure regulator valve |
| CN110374943A (en) * | 2019-07-27 | 2019-10-25 | 格力电器（郑州）有限公司 | A kind of oil cylinder test device and its test method |
-
2016
- 2016-12-02 CN CN201621315254.3U patent/CN206399608U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237111A (en) * | 2018-10-31 | 2019-01-18 | 北京航天益森风洞工程技术有限公司 | A kind of pressure-regulating hydraulic system and its control method of self-balancing pressure regulator valve |
| CN110374943A (en) * | 2019-07-27 | 2019-10-25 | 格力电器（郑州）有限公司 | A kind of oil cylinder test device and its test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20181202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |