CN203023092U - Hydraulic device for adjusting guide vane through inlet - Google Patents
Hydraulic device for adjusting guide vane through inlet Download PDFInfo
- Publication number
- CN203023092U CN203023092U CN 201220716539 CN201220716539U CN203023092U CN 203023092 U CN203023092 U CN 203023092U CN 201220716539 CN201220716539 CN 201220716539 CN 201220716539 U CN201220716539 U CN 201220716539U CN 203023092 U CN203023092 U CN 203023092U
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- way valve
- oil
- outlet
- valve
- filler opening
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Abstract
The utility model discloses a hydraulic device for adjusting a guide vane through an inlet, belongs to the technical field of combustion gas turbines, and in particular relates to the hydraulic device for adjusting the guide vane through the inlet. The hydraulic device has the advantages of accurate control of positions, high reaction speed, high accuracy, security and reliability. The hydraulic device comprises an oil tank, wherein the oil tank is connected with an oil drain valve arranged outside the oil tank and is connected with an oil inlet of a first pump by virtue of a second ball valve; an oil outlet of the first pump is connected with an oil inlet of a high pressure filter; an oil outlet of the high pressure filter is connected with an inlet of a first check valve; an outlet of the first check valve is connected with an inlet of a second check valve; a first branch branched from an outlet of the second check valve is connected with an oil inlet of a servo valve by virtue of two two-way valves; an oil outlet of the servo valve is connected with an oil inlet of a hydraulically-controlled check valve; and an oil outlet of the hydraulically-controlled check valve is respectively connected with a rodless cavity oil inlet of a first cylinder and a rodless cavity oil inlet of a second cylinder.
Description
Technical field
The utility model belongs to the gas turbine technology field, particularly relates to a kind of import adjustable vane hydraulic pressure installation.
Background technique
Because the compressor stator blade of certain type combustion machine can be regulated, blade adjustments is automatically to regulate by the inlet temperature of experiencing the combustion machine, gas compressor stator blade angle under various operating modes all should satisfy the adjusting rule of stator blade angle, therefore need a cover hydraulic system, can be used in the adjusting of stator blade angle, satisfy the service condition of certain type combustion machine.Existing hydraulic pressure installation positioning control is inaccurate, reaction velocity slow, precision is not high, can not satisfy the service condition of certain type combustion machine.
The model utility content
For the problem that prior art exists, the utility model provides a kind of import adjustable vane hydraulic pressure installation, and this hydraulic pressure installation can be realized that positioning control is accurate, reaction velocity is fast, precision is high and have advantages of safe and reliable.
to achieve these goals, the utility model adopts following technological scheme: a kind of import adjustable vane hydraulic pressure installation, comprise fuel tank, the fuel tank fuel outlet valve outer with being arranged on fuel tank is connected, be provided with level meter on the sidewall of fuel tank, be provided with temperature transducer, liquid level sensor and air-strainer on fuel tank, described fuel tank is connected by the filler opening of the second ball valve first pump outer with being arranged on fuel tank, the oil outlet of the first pump is connected with filler opening with the high pressure filter of differential pressure switch, described the first pump is connected with the first motor, and described the first pump is connected with fuel tank by oil leakaging port, be provided with a branch road between the first pump and the high pressure filter with differential pressure switch, described branch road is connected with fuel tank by relief valve, oil outlet with the high pressure filter of differential pressure switch is connected with the entrance of the first one-way valve, and the outlet of the first one-way valve is connected with the entrance of the second one-way valve, is provided with pressure gauge between the first one-way valve and the second one-way valve, the first branch road that the outlet of described the second one-way valve is told is connected with the filler opening of servovalve through the 2/2-way valve, be provided with the second temperature transducer in the outlet port of described the second one-way valve, the second temperature transducer is connected with pressure transducer, the second pressure gauge successively, and described servovalve oil outlet is connected with the Pilot operated check valve filler opening, the Pilot operated check valve oil outlet is connected with the rodless cavity filler opening of the first oil cylinder, the rodless cavity filler opening of the second oil cylinder respectively, the second branch road that the outlet of described the second one-way valve is told is connected with the rodless cavity filler opening of the first oil cylinder, the rodless cavity filler opening of the second oil cylinder respectively by the second 2/2-way valve, be provided with the second accumulator between described 2/2-way valve and servovalve, the 3rd branch road that the outlet of described the second one-way valve is told is connected with the Pilot operated check valve filler opening by the 4th 2/2-way valve, and the Pilot operated check valve oil outlet is connected with duplex strainer through the 4th 2/2-way valve, the rod chamber oil outlet of the first oil cylinder is connected with the entrance of the 3rd one-way valve by the 3rd 2/2-way valve with the first branch road after the rod chamber oil outlet of the second oil cylinder is connected, the second branch road is connected by the entrance of the second relief valve with the 3rd one-way valve, the 3rd branch road is connected with the return opening of servovalve by the second Pilot operated check valve, the oil outlet of the second Pilot operated check valve is connected with the oil outlet of Pilot operated check valve, the second oil outlet of servovalve is connected with the entrance of the 3rd one-way valve, the outlet of described the 3rd one-way valve is connected with the filler opening of duplex strainer, the oil outlet of duplex strainer is connected with fuel tank, the filler opening that described fuel tank is filtered the gear pump outer with being arranged on fuel tank by oil suction is connected, and the oil outlet of gear pump is connected with the filler opening of water cooler by the 4th one-way valve, and described gear pump is connected with gear pump motor, the oil outlet of water cooler is connected with fuel tank by the oil return filter that is arranged on top of oil-tank, and described water cooler is connected with cooling water intake by the second ball valve, and described water cooler is connected with coolant outlet.
Be outside equipped with the second pump at described fuel tank, fuel tank is connected by the filler opening of the 3rd ball valve with the second pump, and the oil outlet of the second pump is leaded up to the 3rd relief valve and is connected with fuel tank, and one the tunnel is connected with filler opening with the second high pressure filter of differential pressure switch; The oil outlet of described the second high pressure filter with differential pressure switch is connected with the entrance of the 5th one-way valve, the outlet of the 5th one-way valve is connected with the entrance of described the second one-way valve, described the second pump is connected with the second motor, and the second pump is connected with fuel tank by oil leakaging port.
Filler opening place at described servovalve is provided with accumulator, and accumulator is connected with the safety valve group, and the filler opening of safety valve group is connected with the outlet of the second one-way valve, and the return opening of safety valve group is connected with the second oil outlet of servovalve.
Be provided with the 4th relief valve between the entrance of the connection of the rodless cavity filler opening of the rodless cavity filler opening of described the first oil cylinder and the second oil cylinder and the 3rd one-way valve.
After being connected with the filler opening of the second Pilot operated check valve, described Pilot operated check valve is connected with duplex strainer.
The beneficial effects of the utility model:
Import adjustable vane hydraulic pressure installation of the present utility model can be realized that positioning control is accurate, reaction velocity is fast, precision is high and have advantages of safe and reliable.
Description of drawings
Fig. 1 is the hydraulic schematic diagram of import adjustable vane hydraulic pressure installation of the present utility model;
in figure, the 1--fuel tank, 2-fuel outlet valve, the 3--level meter, the 4--temperature transducer, the 5--liquid level sensor, the 6--air-strainer, 7--the second ball valve, 8--the first pump, the 9--high pressure filter, the 10--relief valve, 11--the first one-way valve, the 12--pressure gauge, 13--pressure flexible cord, the 14--GAUGE CONNECTOR, 15--the second one-way valve, 16--2/2-way valve, the 17--servovalve, the 18-the second temperature transducer, the 19--pressure transducer, 20--the second pressure gauge, the 21--Pilot operated check valve, the 22-the second 2/2-way valve, 23--the 4th 2/2-way valve, the rodless cavity filler opening of 24--the first oil cylinder, the rodless cavity filler opening of 25--the second oil cylinder, the rod chamber oil outlet of 26--the first oil cylinder, the rod chamber oil outlet of 27--the second oil cylinder, 28--the 3rd one-way valve, the 29-the second relief valve, the 30--duplex strainer, 31--the 3rd 2/2-way valve, 32--oil suction filter, the 33--gear pump, 34--the 4th one-way valve, the 35--water cooler, the 36--gear pump motor, 37--oil return filter, the 38--cooling water intake, 39--coolant outlet, the 40-the second ball valve, 41--the second pump, 42--the second high pressure filter, 43--the 3rd relief valve, 44--the 5th one-way valve, 45--the 3rd ball valve, 46--the first motor, 47--the second motor, 48-oil leakaging port, 49-safety valve group, the 50--accumulator, 51--the 4th relief valve, the 52-the second Pilot operated check valve, the 53-the second accumulator, the 54-the second oil leakaging port.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
as shown in Figure 1, a kind of import adjustable vane hydraulic pressure installation comprises fuel tank 1, and fuel tank 1 fuel outlet valve 2 outer with being arranged on fuel tank 1 is connected, be provided with level meter 3 on the sidewall of fuel tank 1, be provided with temperature transducer 4, liquid level sensor 5 and air-strainer 6 on fuel tank 1 case lid, described fuel tank 1 is connected by the filler opening of the second ball valve 7 first pump 8 outer with being arranged on fuel tank 1, the oil outlet of the first pump 8 is connected with filler opening with the high pressure filter 9 of differential pressure switch, described the first pump 8 is connected with the first motor 46, and described the first pump 8 is connected with fuel tank 1 by oil leakaging port 48, be provided with a branch road between the first pump 8 and the high pressure filter 9 with differential pressure switch, described branch road is connected with fuel tank 1 by relief valve 10, oil outlet with the high pressure filter 9 of differential pressure switch is connected with the entrance of the first one-way valve 11, the outlet of the first one-way valve 11 is connected with the entrance of the second one-way valve 15, be provided with pressure gauge 12 between the first one-way valve 11 and the second one-way valve 15, described pressure gauge 12 is connected with GAUGE CONNECTOR 14 by pressure flexible cord 13, the first branch road that the outlet of described the second one-way valve 15 is told is connected through the filler opening of 2/2-way valve 16 with servovalve 17, be provided with the second temperature transducer 18 in the outlet port of described the second one-way valve 15, the second temperature transducer 18 is connected with pressure transducer 19, the second pressure gauge 20 successively, and described servovalve 17 oil outlets are connected with Pilot operated check valve 21 filler openings, Pilot operated check valve 21 oil outlets are connected with the rodless cavity filler opening 24 of the first oil cylinder, the rodless cavity filler opening 25 of the second oil cylinder respectively, the second branch road that the outlet of described the second one-way valve 15 is told is connected with the rodless cavity filler opening 24 of the first oil cylinder, the rodless cavity filler opening 25 of the second oil cylinder respectively by the second 2/2-way valve 22, be provided with the second accumulator 53 between described 2/2-way valve 16 and servovalve 17, be used for the stable hydraulic fluid pressure that enters servovalve 17, the 3rd branch road that the outlet of described the second one-way valve 15 is told is connected with Pilot operated check valve 21 filler openings by the 4th 2/2-way valve 23, and Pilot operated check valve 21 oil outlets are connected with duplex strainer 30 through the 4th 2/2-way valve 23, the rod chamber oil outlet 26 of the first oil cylinder, the first branch road after the rod chamber oil outlet 27 of the second oil cylinder connects is connected with the entrance of the 3rd one-way valve 28 by the 3rd 2/2-way valve 31, the second branch road is connected with the entrance of the 3rd one-way valve 28 by the second relief valve 29, the 3rd branch road is connected with the return opening of servovalve 17 by the second Pilot operated check valve 52, the oil outlet of the second Pilot operated check valve 52 is connected with the oil outlet of Pilot operated check valve 21, the second oil outlet of servovalve 17 is connected with the entrance of the 3rd one-way valve 28, the outlet of described the 3rd one-way valve 28 is connected with the filler opening of duplex strainer 30, the oil outlet of duplex strainer 30 is connected with fuel tank 1, described fuel tank 1 is filtered 32 by oil suction and is connected with the filler opening that is arranged on fuel tank 1 gear pump 33 outward, and the oil outlet of gear pump 33 is connected with the filler opening of water cooler 35 by the 4th one-way valve 34, and described gear pump 33 is connected with gear pump motor 36, the oil outlet of water cooler 35 is connected with fuel tank 1 by the oil return filter 37 that is arranged on fuel tank 1 top, and described water cooler 35 is connected with cooling water intake 38 by the second ball valve 40, and described water cooler 35 is connected with coolant outlet 39.
Cause whole device to quit work in order to prevent described the first pump 8 faults, be outside equipped with the second pump 41 at fuel tank 1, fuel tank 1 is connected with the filler opening of the second pump 41 by the 3rd ball valve 45; The oil outlet of the second pump 41 is leaded up to the 3rd relief valve 43 and is connected with fuel tank 1, and one the tunnel is connected with filler opening with the second high pressure filter 42 of differential pressure switch; The oil outlet of described the second high pressure filter 42 with differential pressure switch is connected with the entrance of the 5th one-way valve 44, the outlet of the 5th one-way valve 44 is connected with the entrance of described the second one-way valve 15, described the second pump 41 is connected with the second motor 47, and the second pump 41 is connected with fuel tank 1 by the second oil leakaging port 54.
For in case of emergency, stator is the fast shut-off oil circuit within 1S, filler opening place at described servovalve 17 is provided with accumulator 50, accumulator 50 is connected with safety valve group 49, the filler opening of safety valve group 49 is connected with the outlet of the second one-way valve 15, and the return opening of safety valve group 49 is connected with the second oil outlet of servovalve 17.
For the working pressure of protecting this device is no more than the force value that device allows, be provided with the 4th relief valve 51 between the entrance of the joint of the rodless cavity filler opening 25 of the rodless cavity filler opening 24 of described the first oil cylinder and the second oil cylinder and the 3rd one-way valve 28.
After being connected with the filler opening of the second Pilot operated check valve 52, described Pilot operated check valve 21 is connected with duplex strainer 30, for the hydraulic oil that provides from the first pump 8 or the second pump 41 by Pilot operated check valve 21 and the second Pilot operated check valve 52 time, run into Pilot operated check valve 21 and the second out-of-work situation of Pilot operated check valve 52, this moment, hydraulic oil can directly be got back to fuel tank 1 by duplex strainer 30.
Below in conjunction with description of drawings using process of the present utility model.
As shown in Figure 1, during first pump 8 fuel feeding of this device, hydraulic oil supplies to 2/2-way valve 16 by high pressure filter 9, the first one-way valve 11, the second one-way valve 15 with hydraulic oil successively.Control system is to the signal of 2/2-way valve 16 and the 4th 2/2-way valve 23 energisings at this moment, and Pilot operated check valve 21 and the second Pilot operated check valve 52 are opened simultaneously, and hydraulic oil flows to servovalve 17 by 2/2-way valve 16.Servovalve 17 is three two logical guiding valves, and meta is balance position, and when balance position, pressure oil enters the two ends of the inner chamber balance position spool of servovalve 17 from filler opening, and the hydraulic fluid pressure at spool two ends is identical, and spool is slack in the centre.When the feedback signal of stator angle transducer sent to control system the signal that changes the stator angle, control system was inputted the forward current signals to servovalve 17, the hydraulic coupling disequilibrium of the servovalve 17 original balances in spool two ends, and spool moves.When the spool pressure at two ends was identical, spool rested on new equilibrium position; When servovalve 17 is changed to left lateral position shown in figure by meta, hydraulic oil enters first, second oil cylinder rodless cavity by the rodless cavity filler opening 24 of the first oil cylinder, the rodless cavity filler opening 25 of the second oil cylinder, hydraulic oil in first, second cylinder rod chamber flows out from the rod chamber oil outlet 26 of the first oil cylinder, the rod chamber oil outlet 27 of the second oil cylinder, gets back to fuel tank 1 by the second Pilot operated check valve 52, servovalve 17, the 3rd one-way valve 28, duplex strainer 30.When servovalve 17 is changed to right lateral position shown in figure by meta, hydraulic oil enters first, second cylinder rod chamber by the rod chamber oil outlet 26 of the first oil cylinder, the rod chamber oil outlet 27 of the second oil cylinder, hydraulic oil in first, second oil cylinder rodless cavity flows out from the rodless cavity filler opening 24 of the first oil cylinder, the rodless cavity filler opening 25 of the second oil cylinder, gets back to fuel tank 1 by Pilot operated check valve 21, servovalve 17, the 3rd one-way valve 28, duplex strainer 30.The angular adjustment of adjustable vane realizes by servovalve 17 continuous setup valve element positions.
In the utility model running, when reaching the first pump 8, pressure starts setting values, 10MPa for example, pressure transducer 19 is controlled the first pump 8 according to the hydraulic fluid pressure value and is started; Stop setting value when pressure reaches the first pump 8,12MPa for example, pressure transducer 19 control the first pump 8 according to the hydraulic fluid pressure value and stop; When the second pump 41 work, pressure transducer 19 according to the hydraulic fluid pressure value control the second pump 41 startup, close.
When the temperature of hydraulic oil of the present utility model is elevated to water cooler 35 startup setting value, the second temperature transducer 18 is controlled water cooler 35 according to the hydraulic fluid temperature value and is started, when the temperature of hydraulic oil of the present utility model was reduced to water cooler 35 and stops setting value, the second temperature transducer 18 was controlled water cooler 35 according to the hydraulic fluid temperature value and is stopped.
In order accurately to control the opening angle of stator, servovalve 17 comes closed loop control by control system by the feedback signal of the angle transducer of stator.When remaining on the arbitrary position when stator is unlimited, control system is given the 4th 2/2- way valve 23 and 16 outages of 2/2-way valve, and Pilot operated check valve 21 and the second Pilot operated check valve 52 are closed, and prevent oil liquid leakage.
Claims (5)
1. an import adjustable vane hydraulic pressure installation, is characterized in that comprising fuel tank, and the fuel tank fuel outlet valve outer with being arranged on fuel tank is connected, and is provided with level meter on the sidewall of fuel tank, is provided with temperature transducer, liquid level sensor and air-strainer on fuel tank, described fuel tank is connected by the filler opening of the second ball valve first pump outer with being arranged on fuel tank, the oil outlet of the first pump is connected with filler opening with the high pressure filter of differential pressure switch, described the first pump is connected with the first motor, and described the first pump is connected with fuel tank by oil leakaging port, be provided with a branch road between the first pump and the high pressure filter with differential pressure switch, described branch road is connected with fuel tank by relief valve, oil outlet with the high pressure filter of differential pressure switch is connected with the entrance of the first one-way valve, and the outlet of the first one-way valve is connected with the entrance of the second one-way valve, is provided with pressure gauge between the first one-way valve and the second one-way valve, the first branch road that the outlet of described the second one-way valve is told is connected with the filler opening of servovalve through the 2/2-way valve, be provided with the second temperature transducer in the outlet port of described the second one-way valve, the second temperature transducer is connected with pressure transducer, the second pressure gauge successively, and described servovalve oil outlet is connected with the Pilot operated check valve filler opening, the Pilot operated check valve oil outlet is connected with the rodless cavity filler opening of the first oil cylinder, the rodless cavity filler opening of the second oil cylinder respectively, the second branch road that the outlet of described the second one-way valve is told is connected with the rodless cavity filler opening of the first oil cylinder, the rodless cavity filler opening of the second oil cylinder respectively by the second 2/2-way valve, be provided with the second accumulator between described 2/2-way valve and servovalve, the 3rd branch road that the outlet of described the second one-way valve is told is connected with the Pilot operated check valve filler opening by the 4th 2/2-way valve, and the Pilot operated check valve oil outlet is connected with duplex strainer through the 4th 2/2-way valve, the rod chamber oil outlet of the first oil cylinder is connected with the entrance of the 3rd one-way valve by the 3rd 2/2-way valve with the first branch road after the rod chamber oil outlet of the second oil cylinder is connected, the second branch road is connected by the entrance of the second relief valve with the 3rd one-way valve, the 3rd branch road is connected with the return opening of servovalve by the second Pilot operated check valve, the oil outlet of the second Pilot operated check valve is connected with the oil outlet of Pilot operated check valve, the second oil outlet of servovalve is connected with the entrance of the 3rd one-way valve, the outlet of described the 3rd one-way valve is connected with the filler opening of duplex strainer, the oil outlet of duplex strainer is connected with fuel tank, the filler opening that described fuel tank is filtered the gear pump outer with being arranged on fuel tank by oil suction is connected, and the oil outlet of gear pump is connected with the filler opening of water cooler by the 4th one-way valve, and described gear pump is connected with gear pump motor, the oil outlet of water cooler is connected with fuel tank by the oil return filter that is arranged on top of oil-tank, and described water cooler is connected with cooling water intake by the second ball valve, and described water cooler is connected with coolant outlet.
2. import adjustable vane hydraulic pressure installation according to claim 1, it is characterized in that being outside equipped with the second pump at described fuel tank, fuel tank is connected by the filler opening of the 3rd ball valve with the second pump, the oil outlet of the second pump is leaded up to the 3rd relief valve and is connected with fuel tank, and one the tunnel is connected with filler opening with the second high pressure filter of differential pressure switch; The oil outlet of described the second high pressure filter with differential pressure switch is connected with the entrance of the 5th one-way valve, the outlet of the 5th one-way valve is connected with the entrance of described the second one-way valve, described the second pump is connected with the second motor, and the second pump is connected with fuel tank by oil leakaging port.
3. import adjustable vane hydraulic pressure installation according to claim 1, it is characterized in that being provided with accumulator at the filler opening place of described servovalve, accumulator is connected with the safety valve group, the filler opening of safety valve group is connected with the outlet of the second one-way valve, and the return opening of safety valve group is connected with the second oil outlet of servovalve.
4. import adjustable vane hydraulic pressure installation according to claim 1 is characterized in that being provided with the 4th relief valve between the entrance of the connection of the rodless cavity filler opening of the rodless cavity filler opening of described the first oil cylinder and the second oil cylinder and the 3rd one-way valve.
5. import adjustable vane hydraulic pressure installation according to claim 1, is characterized in that being connected with duplex strainer after described Pilot operated check valve is connected with the filler opening of the second Pilot operated check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716539 CN203023092U (en) | 2012-12-21 | 2012-12-21 | Hydraulic device for adjusting guide vane through inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716539 CN203023092U (en) | 2012-12-21 | 2012-12-21 | Hydraulic device for adjusting guide vane through inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023092U true CN203023092U (en) | 2013-06-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220716539 Expired - Fee Related CN203023092U (en) | 2012-12-21 | 2012-12-21 | Hydraulic device for adjusting guide vane through inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122150A (en) * | 2016-08-29 | 2016-11-16 | 大峘集团有限公司 | A kind of dosing control system |
| CN108027269A (en) * | 2015-09-15 | 2018-05-11 | Avl列表有限责任公司 | Coolable device for the through-flow process for measuring fluid |
-
2012
- 2012-12-21 CN CN 201220716539 patent/CN203023092U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108027269A (en) * | 2015-09-15 | 2018-05-11 | Avl列表有限责任公司 | Coolable device for the through-flow process for measuring fluid |
| CN108027269B (en) * | 2015-09-15 | 2020-06-30 | Avl列表有限责任公司 | Coolable device for measuring a flow-through process of a fluid |
| CN106122150A (en) * | 2016-08-29 | 2016-11-16 | 大峘集团有限公司 | A kind of dosing control system |
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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: 20130626 Termination date: 20171221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |