CN206175359U - Gas turbine hydraulic servo control system and power oil device for actuating mechanism thereof - Google Patents

Abstract

The utility model provides a gas turbine hydraulic servo control system and power oil device for actuating mechanism thereof, power oil device includes the female pipe of actuating mechanism fuel feeding for the actuating mechanism, a main fuel tank for $facing the female pipe fuel feeding of actuating mechanism fuel feeding, the setting is at the export of main fuel tank and the oil sources owner pump control moulding piece between the female entry of managing of actuating mechanism fuel feeding, combustion engine tripping operation pressure oil module with the female exit linkage of managing of actuating mechanism fuel feeding, heating / the filtration control module who is connected with the main fuel tank, a female pipe of actuating mechanism oil return for inciting somebody to action the oil of actuating mechanism output is derived, oil sources cooling control module with the female union coupling of actuating mechanism oil return, pipeline high -pressure accumulator control module, pressure monitoring and the experimental module of setting on the female pipe of actuating mechanism fuel feeding, electrical control cabinet. The utility model discloses can avoid since in the lubricating oil bearing wear particulate matter that carries and the fatlute plastic that leads to because of lubricating oil high temperature influence the life's of servo actuating mechanism control accuracy of hydraulic pressure and servovalve problem.

Description

Gas turbine Hydrauservo System and its executing agency power oil device

Technical field

The utility model is related to gas turbine technology field, more particularly, it relates to a kind of gas turbine hydraulic servo system System and its executing agency's power oil device.

Background technology

The servo actuator of gas turbine changes the size that servo valve receives current signal by closed-loop control, adjusts Valve opening, control natural gas air inflow, the inlet air heating air mass flow of inlet air heating system (IBH) and compressor inlet can turn Stator (IGV) aperture.

The fueller of gas turbine mainly by two AC Lub oil pump groups, a urgent DC lubricating group, two Platform lubricating oil pump group outlet filter, two platen type water coolers, two hydraulic oil pump groups, a hydraulic oil module, two oil Nebelwind machine, and some measuring point instrument, pressure transmitter, terminal box and oil pipe line composition.System oil is turbine oil.In lubrication In the main pipe of oil, divide a branch road to hydraulic oil module, immediately into the inlet port of two hydraulic oil pump groups, by hydraulic oil pump, The pressure of oil pressure pump to regulation, hydraulic oil module is returned to through pumping out hydraulic fluid port, by the pressure regulator valve pressure regulation in hydraulic oil module To required pressure, in being transported to the pressure piping of executing agency.There is two outlet filter and one 20 in control oil part Rise high pressure accumulator, and pressure gauge, pressure switch and oil pipe line.In grease pump outlet main pipe, separate supply all the way and jump Lock oil, is coupled with the tripping operation fuel tap block on servo actuator.

The electrical wiring of original equipment fueller and executing agency is connected in terminal box nearby, and from terminal box company is collected Electrical control cabinet is connected to, by the start and stop of switch board remotely control motor, the feedback of test instrumentation, signal of servo valve etc..

But, existing gas turbine hydraulic servo-actuator control oil is branched away from grease pump outlet main pipe , the normal operation of Control ＆ Protective depends on the bringing normally into operation of lubricating oil system, control oil part to disengage isolated operation And measurement；Simultaneously lubricating oil flows through bearing shell circulation, and oil supply matter brings metal impurities particle and moisture；And combustion engine Lubricating Oil Temperature Higher, returning-oil temperature reaches and spent more 70 after lubricating oil cooling and lubricating bearing, and tank temperature is for a long time in more than 70 degree, lubricating oil There is local overheating phenomenon in pipeline, control oil pipe road.Because combustion engine lubricating oil system oil temperature is high, water content in oil is few, oil system Filter core produces in operation the problem of a large amount of electrostatic, causes local moment to produce high temperature during electric discharge；Above many factors cause oil Matter is relatively also easy to produce paintization phenomenon, and sludge binder thing is separated out in oil, blocks servo valve, have impact on the control accuracy of executing agency, It is easier to cause generating set protection act, causes generating set chaser.

Additionally, hydraulic oil system is unstable, there is pressure oscillation phenomenon, frequently result in redundant hydraulic oil pump connection and open.

In sum, how to avoid due in lubricating oil carry bearing wear particulate matter and because of lubricating oil high-temp caused by Sludge binder thing and affect the problem of the service life of hydraulic servo-actuator control accuracy and servo valve, with reduce cause send out Group of motors protection act, makes the situation of generating set chaser, is current those skilled in the art technical problem urgently to be resolved hurrily.

Utility model content

In view of this, the purpose of this utility model is that the executing agency for providing a kind of gas turbine Hydrauservo System uses Power oil device, to avoid due to the bearing wear particulate matter of carrying in lubricating oil and because of sludge binder caused by lubricating oil high-temp Thing and affect the problem of the service life of hydraulic servo-actuator control accuracy and servo valve, cause generating set so as to reduce Protection act, makes the situation of generating set chaser.

Another object of the present utility model is to provide a kind of with the above-mentioned executing agency combustion gas wheel of power oil device Machine Hydrauservo System, to avoid due to the bearing wear particulate matter of carrying in lubricating oil and because of greasy filth caused by lubricating oil high-temp Colloid and affect the problem of the service life of hydraulic servo-actuator control accuracy and servo valve, cause generating so as to reduce Generator protection action, makes the situation of generating set chaser.

In order to achieve the above object, the utility model provides following technical scheme：

A kind of executing agency power oil device of gas turbine Hydrauservo System, including：

For to executing agency's fuel feeding main pipe of executing agency's fuel feeding；

For to the main fuel tank of executing agency's fuel feeding main pipe fuel feeding；

The oil sources main pump control being arranged between the outlet of the main fuel tank and the entrance of executing agency's fuel feeding main pipe Module；

The combustion engine tripping operation pressure oil module being connected with the outlet of executing agency's fuel feeding main pipe；

The heating being connected with the main fuel tank/filtration control module；

The derived executing agency's oil return main pipe of oil for the executing agency to be exported；

The oil sources cooling control module being connected with executing agency's oil return main pipe；

It is arranged on pipeline high pressure accumulator of the executing agency's fuel feeding main pipe on the pressure duct of IGV executing agencies Control module；

The pressure monitor and tentative module being arranged in executing agency's fuel feeding main pipe；

Electrical control cabinet, the electrical control cabinet and the oil sources main pump control module, combustion engine tripping operation pressure oil mould It is block, the heating/filtration control module, oil sources cooling control module, the pipeline high pressure accumulator control module, described Pressure monitor and tentative module are connected.

Preferably, in above-mentioned power oil device, the oil sources main pump control module includes：

For the first oil pipe being connected with executing agency's fuel feeding main pipe, on first oil pipe the first accumulation of energy is provided with Device and the first stop valve, first stop valve is located at side of first accumulator away from the main fuel tank；

The control oil pipe group being arranged between the main fuel tank and first oil pipe；

Wherein, the control oil pipe group includes：

Connect the second oil pipe of the main fuel tank and first oil pipe；

Second oil pipe is arranged near the first oil pump with the main fuel tank side, first oil pump is electric by first Machine is driven by first shaft coupling, and the entrance of first oil pump is connected with the main fuel tank；

It is arranged on second oil pipe and is located at the filter of the first fuel pump outlet side；

It is arranged on second oil pipe and is located at the first check valve of the filter outlet side；

It is arranged on the second stop valve of the first one-way valved outlet side；

The bypass oil pipe in parallel with the filter, on the bypass oil pipe the second check valve is provided with；

First differential pressure transmitter device in parallel with the filter；

The first overflow valve being arranged in the outlet line of first oil pump, the overfall of first overflow valve and institute State main fuel tank connection.

Preferably, in above-mentioned power oil device, the control oil pipe group is two, is arranged in parallel in the main fuel tank and institute State between the first oil pipe；

And the control oil pipe group also include for show first oil pump outlet pressure first pressure table and set The first needle-valve in the first pressure table inlet side is put, the first pressure table is arranged on the output oil pipe of first oil pump On.

Preferably, in above-mentioned power oil device, the combustion engine tripping operation pressure oil module includes：

Release fuel tank；

Connect the outlet of executing agency's fuel feeding main pipe and the 3rd oil pipe of the fuel tank of releasing；

It is arranged on threeth stop valve of the 3rd oil pipe near described executing agency's fuel feeding main pipe one end；

The decompression group of the 3rd stop valve outlet side is arranged on, the decompression group includes pressure-reducing valve and is arranged on pressure-reducing valve 3rd check valve of outlet side；

It is arranged on the second accumulator of the 3rd one-way valved outlet side；

For showing the second pressure table of the outlet oil pressure of the decompression group, the second pressure table is arranged on the decompression On the output oil pipe of group, the inlet side of the second pressure table is additionally provided with the second needle-valve；

The second overflow valve being arranged in the outlet line of the decompression group；

First pressure transmitter of second overflow valve away from the decompression group side is arranged on, the first pressure becomes The inlet side for sending device is additionally provided with the 3rd needle-valve；

The first pressure transmitter is sequentially connected in series on the 3rd oil pipe and is located at away from second overflow valve one First damper and the second damper of side；

For controlling first tripping electromagnetic valve of IGV and the tripping operation of fuel valve quick relief, the first tripping operation electromagnetism simultaneously The import of valve is connected with the outlet of first damper, and the outlet of first tripping electromagnetic valve connects with the fuel tank of releasing Connect；

For controlling the second tripping electromagnetic valve of fuel valve quick relief tripping operation, second tripping electromagnetic valve enters Mouth is connected with the outlet of second damper, and the outlet of second tripping electromagnetic valve is connected with the fuel tank of releasing.

Preferably, in above-mentioned power oil device, the decompression group is two and is arranged in parallel；

Second tripping electromagnetic valve is two and is arranged in parallel；

The fuel tank of releasing is connected with the oil return opening of the main fuel tank.

Preferably, in above-mentioned power oil device, the heating/filtration control module includes：

The second oil pump that import is connected with main fuel tank outlet, second oil pump passes through the second shaft coupling by the second motor Device drives；

For showing the 3rd pressure gauge of the outlet pressure of second oil pump and being arranged on the 3rd pressure gauge import 4th needle-valve of side, the 3rd pressure gauge is arranged on the output oil pipe of second oil pump；

The 3rd overflow valve being arranged on the output oil pipe of second oil pump；

The normally open solenoid valve being arranged on the output oil pipe of second oil pump, the normally open solenoid valve overflows with the described 3rd Stream valve is arranged in parallel；

Return filter, the import of the return filter with the overfall and the normally opened electricity of the 3rd overflow valve The outlet connection of magnet valve, the outlet of the return filter is connected with the spill port of the main fuel tank；

Second differential pressure transmitter device in parallel with the return filter.

Preferably, in above-mentioned power oil device, the oil sources cooling control module includes：

4th stop valve, the import of the 4th stop valve and the outlet of executing agency's oil return main pipe；

First cooler, the import of first cooler is connected with the outlet of the 4th stop valve, and described first is cold But the outlet of device is connected with the spill port of the main fuel tank；

Second cooler in parallel with first cooler；

For being filled with the water inlet pipe of cooling water into first cooler and second cooler, on the water inlet pipe The first cut-off water valve and the second cut-off water valve of series connection are disposed with along water (flow) direction；

For controlling the temperature control water valve of the cooling water flow of the water inlet pipe, the temperature control water valve and the described second cut-off water Valve is arranged in parallel；

For the outlet pipe for exporting the cooling water in first cooler and second cooler, the outlet pipe On be provided with the 3rd cut-off water valve.

Preferably, in above-mentioned power oil device, the oil sources cooling control module also includes：

The 3rd oil pump that import is connected with main fuel tank outlet, the 3rd oil pump passes through the 3rd shaft coupling by the 3rd motor Device drives；

For showing the 4th pressure gauge of the outlet pressure of the 3rd oil pump and being arranged on the 4th pressure gauge import 5th needle-valve of side, the 4th pressure gauge is arranged on the output oil pipe of the 3rd oil pump；

The 4th check valve being arranged on the output oil pipe of the 3rd oil pump, the outlet of the 4th check valve is and institute State the import of the first cooler and the import connection of second cooler.

Preferably, in above-mentioned power oil device, the pipeline high pressure accumulator control module includes two for being arranged in parallel Accumulation of energy group, the accumulation of energy group includes：

The in-line being connected with the outlet of executing agency's oil-feed main pipe；

The 3rd accumulator being arranged on the in-line, the outlet of the 3rd accumulator is by outlet line and institute State the oil return opening connection of executing agency's oil-feed main pipe；

It is arranged on the in-line and is located at the 5th stop valve of the 3rd accumulator inlet side；

For showing the 5th pressure gauge of the oil pressure of the in-line, the 5th pressure gauge is arranged on described 5th section The only outlet side of valve；

It is arranged on the 6th needle-valve of the 5th pressure gauge inlet side；

The 6th stop valve being arranged in the outlet line.

Preferably, in above-mentioned power oil device, the pressure monitor and tentative module include：

The manometer pressure main pipe in parallel with executing agency's fuel feeding main pipe, sets in the manometer pressure main pipe It is equipped with the branch line being connected with main fuel tank oil return opening；

It is arranged on the 7th stop valve of the inlet side of the manometer pressure main pipe；

It is arranged on the 8th stop valve of the outlet side of the manometer pressure main pipe；

The 9th stop valve being arranged on the branch line；

The multiple system oils being successively set between the 7th stop valve and the 8th stop valve force down tripping operation pressure Switch, each described system oil forces down the inlet side of tripping operation pressure switch and is provided with the 7th needle-valve；

The second pressure transmitter that the 7th stop valve and the system oil are forced down between tripping operation pressure switch is arranged on, The inlet side of the second pressure transmitter is provided with the 8th needle-valve；

It is arranged on the high warning of system oil pressure that the system oil is forced down between tripping operation pressure switch and the 8th stop valve Pressure switch, the inlet side of the high alarm pressure switch of the system oil pressure is provided with nine kinds of needles valve；

The system oil being arranged between the high alarm pressure switch of the system oil pressure and the 8th stop valve forces down startup Emergency bearing oil pump pressure switch, the system oil forces down the inlet side of startup emergency bearing oil pump pressure switch and is provided with the tenth needle-valve；

It is arranged on the chain test magnetic valve of oil pump of the tenth needle-valve inlet side.

It can be seen from above-mentioned technical scheme that, the execution machine of the gas turbine Hydrauservo System that the utility model is provided Structure power oil device includes：For to executing agency's fuel feeding main pipe of executing agency's fuel feeding；For female to executing agency's fuel feeding The main fuel tank of pipe fuel feeding；The oil sources main pump control mould being arranged between the outlet of main fuel tank and the entrance of executing agency's fuel feeding main pipe Block；The combustion engine tripping operation pressure oil module being connected with the outlet of executing agency fuel feeding main pipe；The heating being connected with main fuel tank/filtration control Molding block；The derived executing agency's oil return main pipe of oil for executing agency to be exported；It is connected with executing agency oil return main pipe Oil sources cools down control module；It is arranged on pipeline high pressure of executing agency's fuel feeding main pipe on the pressure duct of IGV executing agencies Accumulator control module；The pressure monitor and tentative module being arranged in executing agency's fuel feeding main pipe；Electrical control cabinet, electric-controlled Cabinet processed and oil sources main pump control module, combustion engine tripping operation pressure oil module, heating/filter control module, oil sources cooling control module, Pipeline high pressure accumulator control module, pressure monitor and tentative module are connected.

The executing agency of gas turbine Hydrauservo System of the present utility model can be individually to combustion gas with power oil device The executing agency of turbine Hydrauservo System provides control oil, makes control and the lube system of gas turbine hydraulic servo-actuator System is completely disengaged, is no longer dependent on the bringing normally into operation of lubricating oil system, and gas turbine hydraulic servomechanism control oil part can be single Solely operation and measurement, so completely avoid due to the bearing wear particulate matter of carrying in lubricating oil and because lubricating oil high-temp causes Sludge binder thing and affect the problem of the service life of hydraulic servo-actuator control accuracy and servo valve, so as to reduce Cause generating set protection act, make the situation of generating set chaser.

The utility model additionally provides a kind of gas turbine Hydrauservo System, including hydraulic servo-actuator, also wraps The executing agency being connected with hydraulic servo-actuator power oil device is included, executing agency's power oil device is Any of the above-described kind of executing agency's power oil device, because above-mentioned executing agency has the effect above with power oil device, has Above-mentioned executing agency has same effect with the gas turbine Hydrauservo System of power oil device, therefore no longer goes to live in the household of one's in-laws on getting married herein State.

Description of the drawings

In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to these accompanying drawings.

Fig. 1 is the fundamental diagram of the oil sources main pump control module that the utility model embodiment is provided；

Fig. 2 is the fundamental diagram of the combustion engine tripping operation pressure oil module that the utility model embodiment is provided；

Fig. 3 is the fundamental diagram of heating/filtration control module that the utility model embodiment is provided；

Fig. 4 is the fundamental diagram that the oil sources that the utility model embodiment is provided cools down control module；

Fig. 5 is the fundamental diagram of the pipeline high pressure accumulator control module that the utility model embodiment is provided；

Fig. 6 is the fundamental diagram of the pressure monitor that the utility model embodiment is provided and tentative module.

Specific embodiment

The utility model embodiment provides a kind of executing agency's power oil device of gas turbine Hydrauservo System, The bearing wear particulate matter due to carrying in lubricating oil can be avoided and affected because of sludge binder thing caused by lubricating oil high-temp The problem of the service life of hydraulic servo-actuator control accuracy and servo valve, causes generating set protection dynamic so as to reduce Make, make the situation of generating set chaser.

It is new below in conjunction with this practicality to make purpose, technical scheme and the advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment The embodiment stated is a part of embodiment of the utility model, rather than the embodiment of whole.Based on the enforcement in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to The scope of the utility model protection.

Accompanying drawing 1-6 is refer to, the executing agency of the gas turbine Hydrauservo System that the utility model embodiment is provided uses Power oil device includes：For to the executing agency fuel feeding main pipe 02 of executing agency's fuel feeding；For to executing agency's fuel feeding main pipe The main fuel tank 01 of 02 fuel feeding；The oil sources main pump being arranged between the outlet of main fuel tank 01 and the entrance of executing agency fuel feeding main pipe 02 Control module；The combustion engine tripping operation pressure oil module being connected with the outlet of executing agency fuel feeding main pipe 02；It is connected with main fuel tank 01 Heating/filter control module；The derived executing agency's oil return main pipe 03 of oil for executing agency to be exported；Return with executing agency The oil sources cooling control module of the connection of oily main pipe 03；It is arranged on high pressure of the executing agency fuel feeding main pipe 02 near IGV executing agencies Pipeline high pressure accumulator control module on pipeline；The pressure monitor being arranged in executing agency fuel feeding main pipe 02 and test mould Block；Electrical control cabinet, electrical control cabinet and oil sources main pump control module, combustion engine tripping operation pressure oil module, heating/filter control mould Block, oil sources cooling control module, pipeline high pressure accumulator control module, pressure monitor and tentative module are connected.

The executing agency of gas turbine Hydrauservo System of the present utility model can be individually to combustion gas with power oil device The executing agency of turbine Hydrauservo System provides control oil, provide for gas turbine hydraulic servo-actuator meet pressure, The hydraulic control power oil and tripping operation security personnel's oil of flow and temperature requirement, it is ensured that the normal and safe operation of gas turbine.Make combustion The control of gas-turbine hydraulic servo-actuator is completely disengaged with lubricating system, is no longer dependent on the normal throwing of lubricating oil system Fortune, gas turbine hydraulic servomechanism control oil part can isolated operation and measurement, so completely avoid due in lubricating oil The bearing wear particulate matter of carrying and hydraulic servo-actuator is affected to control because of sludge binder thing caused by lubricating oil high-temp The problem of the service life of precision and servo valve, so as to reduce generating set protection act is caused, and makes generating set chaser Situation.

As shown in figure 1, oil sources main pump control module includes the first oil pipe for being connected with executing agency fuel feeding main pipe 02 114, the first accumulator 112 and the first stop valve 113 are provided with the first oil pipe 114, the first stop valve 113 is located at the first accumulation of energy Side of the device 112 away from main fuel tank 01；The control oil pipe group being arranged between the oil pipe 114 of main fuel tank 01 and first；

Wherein, control oil pipe group includes the second oil pipe 115 of the connection oil pipe 114 of main fuel tank 01 and first；It is arranged on second Oil pipe 115 passes through first shaft coupling near the first oil pump 101 with the side of main fuel tank 01, the first oil pump 101 by the first motor 102 103 drive, and the entrance of the first oil pump 101 is connected with main fuel tank 01；It is arranged on the second oil pipe 115 and is located at the first oil pump 101 The filter 107 of outlet side；It is arranged on the second oil pipe 115 and is located at the first check valve 109 of the outlet side of filter 107；If Put the second stop valve 110 in the outlet side of the first check valve 109；The bypass oil pipe in parallel with filter 107, sets on bypass oil pipe It is equipped with the second check valve 106；First differential pressure transmitter device 108 in parallel with filter 107；It is arranged on the fuel-displaced of the first oil pump 101 The first overflow valve 111 on pipeline, the overfall of the first overflow valve 111 is connected with main fuel tank 01.

Above-mentioned first oil pump 101 is driven using the first motor 102 by first shaft coupling 103, according to system necessary flow Flow is voluntarily adjusted, it is constant with the pressure for ensureing system.Above-mentioned first motor 102 is alternating current generator, and above-mentioned first oil pump 101 is Variable displacement hydraulic pump, alleviates the burden of the first accumulator 112, also mitigates the distinctive hydraulic shock of intermittent energy, variable Formula hydraulic pump is also beneficial to energy-conservation.

Using when, the first oil pump 101 is by entrance by the oil suction in main fuel tank 01, Jing after the first oil pump 101 compresses, Jing The filter 107 of the outlet of the first oil pump 101, the first check valve 109, the second stop valve 110, the first overflow valve 111, the first accumulation of energy Device 112, most after the first stop valves of Jing 113 send into and each servo of hydraulic control system is supplied in executing agency fuel feeding main pipe 02 hold Row mechanism, pipeline high pressure accumulator and blocking trip system are used.

Filter 107 is located on the hydraulic oil pipeline of the outlet of the first oil pump 101, is protected to the hydraulic oil filtered into system Oil cleanliness of the card into executing agency fuel feeding main pipe 02；First check valve 109 is used to make hydraulic pressure when filter 107 is blocked Oil bypass excessively stream；First differential pressure transmitter device 108 is used for detecting the stopping state of filter 107, sends during filter net jam accordingly Alarm signal.

The first overflow valve 111 for playing safe valve action is located on the outlet high pressure lateral line of the first oil pump 101, and it is used to supervise Viewing system oil pressure, and fluid is directly returned fuel tank when system oil pressure is higher than design load, to guarantee the operating pressure of system In normal scope, it is to avoid system bears unnecessary high pressure.

First check valve 109 is mounted in the outlet side high-pressure oil passage of the first oil pump 101, to prevent hydraulic oil from flowing backwards.Bypass Second check valve 106 of oil pipe can open other by oil in 107 filter net jam of filter, not result in system because blocking causes Chaser, protects the stable operation of generating set.

First stop valve 113 and the second stop valve 110 can be separately turned on and close each oil circuit, convenient debugging and maintenance, just The first stop valve 113 and the second stop valve 110 should be opened when often using.The oil sources main pump control module is entering executing agency The first stop valve 113 is adopted before fuel feeding main pipe 02, main pump control module can be made to be effectively isolated with pipe-line system, be capable of achieving pipeline system The independent flushing and maintenance of system.

First accumulator 112 is used for absorbing the dithering component of the outlet of the first oil pump 101, systems stabilisation oil pressure.

Preferably, above-mentioned control oil pipe group is two, is arranged in parallel between the oil pipe 114 of main fuel tank 01 and first；Utilize One of control oil pipe group used as main pump group,, used as standby pump group, so, adopt for another by oil sources main pump control module With a master one of the complete modularized design of two-way identical function in parallel for control pump group, both can be when steam turbine starts simultaneously Work, doubles flow, can work independently when normal again, and standby each other, main pump group once breaks down, and can start immediately Standby pump group, failure pump group can on-line maintenance and debugging, and do not affect the normal operation of generating set.When system pressure it is low, Can the standby pump startup of automatic interlock, to meet needs of the system to flow.Certainly, above-mentioned control oil pipe group can moreover be only one It is individual.

Further, control oil pipe group also includes the first pressure table 104 for showing the outlet pressure of the first oil pump 101 With the first needle-valve 105 for being arranged on the inlet side of first pressure table 104, first pressure table 104 is arranged on the output of the first oil pump 101 On oil pipe.First pressure table 104 is used to showing the outlet pressure of every group of pump, and the first needle-valve 105 is switchable to be passed through first pressure table 104 oil, can also adjust aperture with filtration pressure Reeb, protection first pressure table 104.Certainly, above-mentioned control oil pipe group can also It is not provided with above-mentioned first pressure table 104.

Combustion engine tripping operation pressure oil module is the trip protection module specially designed for gas turbine hydraulic servomechanism, can be had The safe operation of effect protection generating set.As shown in Fig. 2 combustion engine tripping operation pressure oil module includes fuel tank 214 of releasing；Connection is performed The outlet of mechanism fuel feeding main pipe 02 and the 3rd oil pipe of fuel tank 214 of releasing；It is arranged on the 3rd oil pipe female near executing agency's fuel feeding 3rd stop valve 201 of the one end of pipe 02；The decompression group of the outlet side of the 3rd stop valve 201 is arranged on, decompression group includes pressure-reducing valve 202 With the 3rd check valve 203 for being arranged on the outlet side of pressure-reducing valve 202；It is arranged on the second accumulator of the outlet side of the 3rd check valve 203 204；For showing the second pressure table 205 of the outlet oil pressure of decompression group, second pressure table 205 is arranged on the output oil of decompression group Guan Shang, the inlet side of second pressure table 205 is additionally provided with the second needle-valve 206；Second be arranged in the outlet line of decompression group Overflow valve 207；It is arranged on first pressure transmitter 208 of second overflow valve 207 away from decompression group side, first pressure pick-up The inlet side of device 208 is additionally provided with the 3rd needle-valve 209；It is sequentially connected in series on the 3rd oil pipe and is located at first pressure transmitter 208 Away from first damper 210 and the second damper 211 of the side of the second overflow valve 207；It is fast for control IGV and fuel valve simultaneously First tripping electromagnetic valve 212 of fast off-load tripping operation, the import of the first tripping electromagnetic valve 212 connects with the outlet of the first damper 210 Connect, the outlet of the first tripping electromagnetic valve 212 is connected with fuel tank 214 of releasing；For controlling the second of the tripping operation of fuel valve quick relief Tripping electromagnetic valve 213, the import of the second tripping electromagnetic valve 213 is connected with the outlet of the second damper 211, the second tripping electromagnetic valve 213 outlet is connected with fuel tank 214 of releasing.

From the stop valves 201 of hydraulic oil Jing the 3rd of executing agency fuel feeding main pipe 02, Jing pressure-reducing valves 202 are decompressed to tripping operation oil Required pressure, then Jing the first dampers 210 and the second damper 211 deliver to respectively IGV and fuel control valve and be used as to jump Lock security personnel's oil.

The aperture of 3rd stop valve 201 can adjust the flow of tripping operation oil, and jump both can have been adjusted by the aperture of adjustable cut-off valve Flow required for brake system, is again capable of achieving to isolate with executing agency fuel feeding main pipe 02, maintains easily.

Second overflow valve 207 can prevent the oily superpressure that trips, and play safeguard protection effect.First pressure transmitter 208 to Monitoring tripping operation oil pressure instantaneous value.Second accumulator 204 realizes the effect to the oily voltage stabilizing of tripping operation after decompression.

Release tripping operation oil pressure of quickly releasing when fuel tank 214 trips for combustion engine, be installed near tripping operation valve, top is direct Logical air, makes return line keep zero-pressure state completely.

Tripping operation oil circuit in arrange suitable first damper 210, the second damper 211 and the first tripping electromagnetic valve 212, Second tripping electromagnetic valve 213, as long as the first tripping electromagnetic valve 212 obtains excitation instruction, IGV and fuel valve then whole quick reliefs Tripping operation, the second tripping electromagnetic valve 213 obtains excitation instruction, then the tripping operation of fuel valve quick relief, so as to protect whole generating set Safe operation.

Preferably, above-mentioned decompression group is two and is arranged in parallel；The two-way parallel connection check valve 203 of pressure-reducing valve 202 and the 3rd is superfluous Remaining configuration, it is ensured that another road can also continue normal work when all the way pressure-reducing valve 202 breaks down, reduces because of the pressure fault that trips The unnecessary tripping operation for causing.Certainly, decompression group may also be only one.

Second tripping electromagnetic valve 213 is two and is arranged in parallel；As long as two the second tripping electromagnetic valves 213 have an acquisition Excitation is instructed, then the tripping operation of fuel valve quick relief.Second tripping electromagnetic valve 213 may also be only one.

For the ease of recycling for control oil, above-mentioned fuel tank 214 of releasing is connected with the oil return opening of main fuel tank 01.

Heating/filtration control module has heating and filters two kinds of functions, for the self-loopa heating and filtration of oil sources.Such as Shown in Fig. 3, heating/filter the second oil pump 301 that control module is connected including import with the outlet of main fuel tank 01, the second oil pump 301 Driven by second shaft coupling 303 by the second motor 302；For showing the 3rd pressure gauge of the outlet pressure of the second oil pump 301 304 are arranged on the second oil pump 301 with the 4th needle-valve 305 for being arranged on the inlet side of the 3rd pressure gauge 304, the 3rd pressure gauge 304 On output oil pipe；The 3rd overflow valve 307 being arranged on the output oil pipe of the second oil pump 301；It is arranged on the defeated of the second oil pump 301 Normally open solenoid valve 306 on flowline, normally open solenoid valve 306 is arranged in parallel with the 3rd overflow valve 307；Return filter 308, returns The import of oil strainer 308 is connected with the outlet of the overfall and normally open solenoid valve 306 of the 3rd overflow valve 307, oil return filter The outlet of device 308 is connected with the spill port of main fuel tank 01；Second differential pressure transmitter device 309 in parallel with return filter 308.

Under normal circumstances, the second oil pump 301 passes through second shaft coupling 303 under the driving of the second motor 302, from main fuel tank 01 Oil suction, the fuel-displaced Jing normally open solenoid valves 306 of the second oil pump 301, then return to main fuel tank 01 after return filter is filtered.Work as oil return During plugged filter, being arranged in the second differential pressure transmitter device 309 beside return filter can send stifled when oil return filter core is blocked Plug alarm signal, reminds operations staff to change the filter.

When the oil temperature of main fuel tank 01 is too low, control normally open solenoid valve 306 is powered and closes, and fluid can only pass through the 3rd overflow valve 307 overflows, its spill losses is converted into fluid heat energy, thus raises oil liquid temperature, plays a part of heating, and oil temperature reaches and sets During definite value, normally open solenoid valve 306 is powered and opens, and overflow valve does not work, thus stops heating.Worked using the 3rd overflow valve 307 When spill losses change into the mode that heat is heated to hydraulic oil, it is to avoid because resistance heater local heating inequality causes oil The rotten phenomenon of liquid, for the generating set with combustion gas as fuel, overflow mode of heating safety and reliability.

Heating of the present utility model/filtration control module is realized to power by return filter and the 3rd overflow valve 307 The independent of oil sources is filtered and heated, it is ensured that the cleannes and suitable operating temperature of oil sources hydraulic oil itself.

As shown in figure 4, oil sources cooling control module includes the 4th stop valve 401, import and the execution of the 4th stop valve 401 The outlet of mechanism oil return main pipe 03；First cooler 402, the first import of cooler 402 and going out for the 4th stop valve 401 Mouth connection, the outlet of the first cooler 402 is connected with the spill port of main fuel tank 01；Second in parallel with the first cooler 402 is cold But device 403；For being filled with the water inlet pipe of cooling water into the first cooler 402 and the second cooler 403, along water on water inlet pipe Stream direction is disposed with the first cut-off cut-off water valve 406 of water valve 405 and second of series connection；For controlling the cooling water of water inlet pipe The temperature control water valve 404 of flow, temperature control water valve 404 is arranged in parallel with the second cut-off water valve 406；For by the He of the first cooler 402 The outlet pipe of the cooling water output in the second cooler 403, is provided with the 3rd cut-off water valve 407 on outlet pipe.

Above-mentioned oil sources cooling control module can be realized cooling down the oil return of executing agency.Open the 4th stop valve 401, the oil return from executing agency returns to main fuel tank 01 Jing after the first cooler 402 and the second cooler 403 are cooled down, so as to reality The oil return circulating cooling of existing executing agency.

During normal operation, normally open state at the 4th stop valve 401 is realized to the cold of the oil return of executing agency oil return main pipe 03 But.

Cooling water with first cut-off water valve 405, second cut-off water valve the 406, the 3rd cut-off 407 3 cut-off water valves of water valve and Controlling, wherein the second cut-off water valve 406 is closed under normal circumstances, cooling water is mainly by temperature control water valve for one temperature control water valve 404 404 control according to temperature automatic ratio, i.e., temperature sensor sends the aperture of analog signal ratio control temperature control water valve 404, from It is dynamic to adjust the flow that cooling water flows into cooler, the automatic cooling control of oil temperature is carried out to hydraulic oil.When temperature control water valve 404 needs When changing and overhauling, the second cut-off water valve 406 is opened under normal circumstances, it is to avoid shut down.

Preferably, the 3rd oil pump 411 that oil sources cooling control module is also connected including import with the outlet of main fuel tank 01, the 3rd Oil pump 411 is driven by the 3rd motor 412 by the 3rd shaft coupling 413；For showing the 4th of the outlet pressure of the 3rd oil pump 411 the Pressure gauge 410 and the 5th needle-valve 409 for being arranged on the inlet side of the 4th pressure gauge 410, the 4th pressure gauge 410 is arranged on the 3rd oil pump On 411 output oil pipe；The 4th check valve 408 being arranged on the output oil pipe of the 3rd oil pump 411, the 4th check valve 408 Outlet is connected with the import of the first cooler 402 and the import of the second cooler 403.

Oil sources cooling control module of the present utility model can be realized cooling down the oil return of executing agency, and can realize Oil sources self-loopa is cooled down.Using the 3rd independent oil pump 411, the 4th stop valve 401 is closed as needed, be capable of achieving to oil sources master The self-loopa cooling of the fluid of fuel tank 01.3rd oil pump 411 passes through the 3rd shaft coupling 413 under the driving of the 3rd motor 412, from main oil The oil suction of case 01, the check valves 408 of the 3rd 411 fuel-displaced Jing of oil pump the 4th, then Jing the first coolers 402 and the second cooler 403 are cooled down After return to main fuel tank 01, so as to realize oil sources self-loopa cool down.

4th check valve 408 prevents executing agency's oil return from flowing into the 3rd oil pump 411.The utility model is using in parallel first The cooler 403 of cooler 402 and second realizes the cooling to oil sources self-loopa cooling and the oil return of executing agency oil return main pipe 03, While ensureing that active cooling surface is accumulated, physical dimension is reduced, be easy to install and maintain.

As shown in figure 5, pipeline high pressure accumulator control module includes two accumulation of energy groups being arranged in parallel, accumulation of energy group is wrapped Include：The in-line being connected with the outlet of executing agency oil-feed main pipe；The 3rd accumulator 504 being arranged on in-line, the The outlet of three accumulators 504 is connected by outlet line with the oil return opening of executing agency oil-feed main pipe；It is arranged on in-line And positioned at the 5th stop valve 501 of the inlet side of the 3rd accumulator 504；For showing the 5th pressure gauge of the oil pressure of in-line 502, the 5th pressure gauge 502 is arranged on the outlet side of the 5th stop valve 501；It is arranged on the 6th of the inlet side of the 5th pressure gauge 502 the Needle-valve 503；The 6th stop valve 505 being arranged in outlet line.

Pipeline high pressure accumulator control module is connected to system on the pressure duct of IGV executing agencies.System is adopted Duplex accumulator, when low discharge works, the storage partial pressure oil of the 3rd accumulator 504 needs high flow rate oil supply not in executing agency When sufficient, fuel feeding is supplemented, solve the problems, such as that system causes oil pump to link because of low oil pressure, and Absorbing hydraulic pulsation, systems stabilisation oil pressure. It is understood that above-mentioned accumulation of energy group can also be one or three, adjusted according to practical application.

Pressure monitor and tentative module can be monitored and controlled to oil sources and hydraulic servo-actuator operating oil pressure.Such as Shown in Fig. 6, pressure monitor and tentative module include the manometer pressure main pipe 614 in parallel with executing agency fuel feeding main pipe 02, The branch line 615 being connected with the oil return opening of main fuel tank 01 is provided with manometer pressure main pipe 614；It is arranged on manometer 7th stop valve 601 of the inlet side of pressure main pipe 614；It is arranged on the 8th section of outlet side of manometer pressure main pipe 614 Only valve 613；The 9th stop valve 603 being arranged on branch line 615；It is successively set on the 7th stop valve 601 and the 8th cut-off Multiple system oils between valve 613 force down tripping operation pressure switch 606, and each system oil forces down the import of tripping operation pressure switch 606 Side is provided with the 7th needle-valve 607；Be arranged on the 7th stop valve 601 and system oil force down between tripping operation pressure switch 606 the Two pressure transmitters 605, the inlet side of second pressure transmitter 605 is provided with the 8th needle-valve 604；It is arranged on system oil and forces down jump The high alarm pressure switch 608 of system oil pressure between brake pressure switch 606 and the 8th stop valve 613, the high pressure of reporting to the police of system oil pressure The inlet side of power switch 608 is provided with nine kinds of needles valve 609；It is arranged on the high alarm pressure switch 608 of system oil pressure and the 8th cut-off System oil between valve 613 forces down startup emergency bearing oil pump pressure switch 612, and system oil forces down startup emergency bearing oil pump pressure switch 612 inlet side is provided with the tenth needle-valve 611；It is arranged on the chain test magnetic valve 610 of oil pump of the inlet side of the tenth needle-valve 611.

System oil forces down startup emergency bearing oil pump pressure switch 612, experiences oil pressure low signal, is adjusted to work as system pressure as little as Junction closure during setting value, and start emergency bearing oil pump.

The high alarm pressure switch 608 of system oil pressure, experiences system oil pressure and crosses high RST, when system pressure is higher than setting value When, junction closure, and send alarm signal.

System oil forces down tripping operation pressure switch 606, experiences system oil and forces down tripping alarm signal, sets when system pressure is less than During definite value, junction closure, three select two logical process, system trip simultaneously to send alarm signal.

The pressure signal of pressure oil is converted into second pressure transmitter 605 current signal of 4-20mA, with monitoring system Oil pressure.

The chain test magnetic valve 610 of oil pump can be realized carrying out a distant place and in situ test to emergency bearing oil pump using it；Work as oil During chain test 610 action of magnetic valve of pump, hydraulic oil draining, as system pressure is reduced, system oil forces down startup emergency bearing oil pump The closing of contact of pressure switch 612, makes emergency bearing oil pump chain promoter.

In 7th stop valve 601, the 8th stop valve 613, the 9th stop valve 603, the 9th stop valve 603 connects main fuel tank 01, Normal operation is closed often.It is normally opened when the 7th stop valve 601 and the 8th 613 normal operation of stop valve, make manometer pressure female Pipe 614 is parallel to executing agency fuel feeding main pipe 02 and avoids the formation of pressure blind pipe, reduces manometer because pipeline blockage is transmitted by mistake Number possibility；In addition carry out when Stress control is tested can the stop valve 601 of manual-lock the 7th and the 8th stop valve 613, open Opening the 9th stop valve 603 carries out Manual pressure low-function test.

Additionally, executing agency of the present utility model power oil device, makes gas turbine hydraulic servomechanism control system Domesticize completely, save foreign exchange, spare parts purchasing cycle is short, on-line maintenance is convenient, and fault rate is greatly reduced, can create for power plant Make good overall economic efficiency.

The utility model embodiment additionally provides a kind of gas turbine Hydrauservo System, including hydraulic servo performs machine Structure, also includes the executing agency being connected with hydraulic servo-actuator power oil device, and executing agency's power oil device is Executing agency's power oil device that any of the above-described embodiment is provided, can avoid the bearing wear due to carrying in lubricating oil Particulate matter and hydraulic servo-actuator control accuracy and servo valve are affected because of sludge binder thing caused by lubricating oil high-temp The problem of service life, so as to reduce generating set protection act is caused, and makes the situation of generating set chaser, and its advantage is by holding Row mechanism with power oil device band come, specifically refer in above-described embodiment related part, here is just repeated no more.

Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.

The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can in other embodiments be realized in the case of without departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (11)

1. executing agency's power oil device of a kind of gas turbine Hydrauservo System, it is characterised in that include：

For to executing agency's fuel feeding main pipe (02) of executing agency's fuel feeding；

For to the main fuel tank (01) of executing agency's fuel feeding main pipe (02) fuel feeding；

The oil sources main pump being arranged between the outlet of the main fuel tank (01) and the entrance of executing agency's fuel feeding main pipe (02) Control module；

The combustion engine tripping operation pressure oil module being connected with the outlet of executing agency's fuel feeding main pipe (02)；

The heating being connected with the main fuel tank (01)/filtration control module；

Derived executing agency's oil return main pipe (03) of oil for the executing agency to be exported；

The oil sources cooling control module being connected with executing agency's oil return main pipe (03)；

It is arranged on pipeline high pressure accumulator of the executing agency's fuel feeding main pipe (02) on the pressure duct of IGV executing agencies Control module；

The pressure monitor and tentative module being arranged on executing agency's fuel feeding main pipe (02)；

Electrical control cabinet, the electrical control cabinet and the oil sources main pump control module, combustion engine tripping operation pressure oil module, institute State heating/filtration control module, oil sources cooling control module, the pipeline high pressure accumulator control module, the pressure Monitoring and tentative module are connected.

2. power oil device according to claim 1, it is characterised in that the oil sources main pump control module includes：

For the first oil pipe (114) being connected with executing agency's fuel feeding main pipe (02), arrange on first oil pipe (114) There are the first accumulator (112) and the first stop valve (113), first stop valve (113) is positioned at first accumulator (112) Away from the side of the main fuel tank (01)；

The control oil pipe group being arranged between the main fuel tank (01) and first oil pipe (114)；

Wherein, the control oil pipe group includes：

Connect second oil pipe (115) of the main fuel tank (01) and first oil pipe (114)；

Second oil pipe (115) is arranged near the first oil pump (101) with the main fuel tank (01) side, described first is oily Pump (101) is by the first motor (102) by first shaft coupling (103) driving, the entrance of first oil pump (101) and the master Fuel tank (01) is connected；

It is arranged on second oil pipe (115) and positioned at the filter (107) of the first oil pump (101) outlet side；

It is arranged on second oil pipe (115) and positioned at first check valve (109) of the filter (107) outlet side；

It is arranged on second stop valve (110) of the first check valve (109) outlet side；

The bypass oil pipe in parallel with the filter (107), is provided with the second check valve (106) on the bypass oil pipe；

First differential pressure transmitter device (108) in parallel with the filter (107)；

The first overflow valve (111) being arranged in the outlet line of first oil pump (101), first overflow valve (111) Overfall connect with the main fuel tank (01).

3. power oil device according to claim 2, it is characterised in that the control oil pipe group is two, is arranged in parallel Between the main fuel tank (01) and first oil pipe (114)；

And the control oil pipe group also includes the first pressure table for showing the outlet pressure of first oil pump (101) (104) and first needle-valve (105) of first pressure table (104) inlet side is arranged on, the first pressure table (104) is arranged On the output oil pipe of first oil pump (101).

4. power oil device according to claim 1, it is characterised in that the combustion engine tripping operation pressure oil module includes：

Release fuel tank (214)；

Connect the outlet of executing agency's fuel feeding main pipe (02) and the 3rd oil pipe of the fuel tank of releasing (214)；

It is arranged on threeth stop valve (201) of the 3rd oil pipe near described executing agency's fuel feeding main pipe (02) one end；

The decompression group of the 3rd stop valve (201) outlet side is arranged on, the decompression group includes pressure-reducing valve (202) and is arranged on 3rd check valve (203) of pressure-reducing valve (202) outlet side；

It is arranged on second accumulator (204) of the 3rd check valve (203) outlet side；

For showing the second pressure table (205) of the outlet oil pressure of the decompression group, the second pressure table (205) is arranged on institute State on the output oil pipe of decompression group, the inlet side of the second pressure table (205) is additionally provided with the second needle-valve (206)；

The second overflow valve (207) being arranged in the outlet line of the decompression group；

It is arranged on first pressure transmitter (208) of second overflow valve (207) away from the decompression group side, described first The inlet side of pressure transmitter (208) is additionally provided with the 3rd needle-valve (209)；

The first pressure transmitter (208) is sequentially connected in series on the 3rd oil pipe and is located at away from second overflow valve (207) first damper (210) and the second damper (211) of side；

For controlling first tripping electromagnetic valve (212) of IGV and the tripping operation of fuel valve quick relief, the first tripping operation electromagnetism simultaneously The import of valve (212) is connected with the outlet of first damper (210), the outlet of first tripping electromagnetic valve (212) with Fuel tank of releasing (214) connection；

For controlling second tripping electromagnetic valve (213) of the fuel valve quick relief tripping operation, second tripping electromagnetic valve (213) import is connected with the outlet of second damper (211), the outlet of second tripping electromagnetic valve (213) and institute State fuel tank of releasing (214) connection.

5. power oil device according to claim 4, it is characterised in that the decompression group is two and is arranged in parallel；

Second tripping electromagnetic valve (213) is for two and is arranged in parallel；

The fuel tank of releasing (214) is connected with the oil return opening of the main fuel tank (01).

6. power oil device according to claim 1, it is characterised in that the heating/filtration control module includes：

The second oil pump (301) that import is connected with the main fuel tank (01) outlet, second oil pump (301) is by the second motor (302) driven by second shaft coupling (303)；

For showing the 3rd pressure gauge (304) of the outlet pressure of second oil pump (301) and being arranged on the 3rd pressure 4th needle-valve (305) of table (304) inlet side, the 3rd pressure gauge (304) is arranged on the output of second oil pump (301) On oil pipe；

The 3rd overflow valve (307) being arranged on the output oil pipe of second oil pump (301)；

The normally open solenoid valve (306) being arranged on the output oil pipe of second oil pump (301), the normally open solenoid valve (306) It is arranged in parallel with the 3rd overflow valve (307)；

Return filter (308), the import of the return filter (308) with the overfall of the 3rd overflow valve (307) Outlet connection with the normally open solenoid valve (306), the outlet of the return filter (308) and returning for the main fuel tank (01) Oilhole connects；

Second differential pressure transmitter device (309) in parallel with the return filter (308).

7. power oil device according to claim 1, it is characterised in that the oil sources cooling control module includes：

4th stop valve (401), the outlet of the import of the 4th stop valve (401) and executing agency's oil return main pipe (03) Connection；

First cooler (402), the import of first cooler (402) is connected with the outlet of the 4th stop valve (401), The outlet of first cooler (402) is connected with the spill port of the main fuel tank (01)；

Second cooler (403) in parallel with first cooler (402)；

For being filled with the water inlet pipe of cooling water into first cooler (402) and second cooler (403), it is described enter First cut-off water valve (405) and the second cut-off water valve (406) of series connection are disposed with water pipe along water (flow) direction；

For controlling the temperature control water valve (404) of the cooling water flow of the water inlet pipe, the temperature control water valve (404) and described second Cut-off water valve (406) is arranged in parallel；

It is described for the outlet pipe for exporting first cooler (402) and the cooling water in second cooler (403) The 3rd cut-off water valve (407) is provided with outlet pipe.

8. power oil device according to claim 7, it is characterised in that the oil sources cooling control module also includes：

The 3rd oil pump (411) that import is connected with the main fuel tank (01) outlet, the 3rd oil pump (411) is by the 3rd motor (412) driven by the 3rd shaft coupling (413)；

For showing the 4th pressure gauge (410) of the outlet pressure of the 3rd oil pump (411) and being arranged on the 4th pressure 5th needle-valve (409) of table (410) inlet side, the 4th pressure gauge (410) is arranged on the output of the 3rd oil pump (411) On oil pipe；

The 4th check valve (408) being arranged on the output oil pipe of the 3rd oil pump (411), the 4th check valve (408) Outlet be connected with the import of first cooler (402) and the import of second cooler (403).

9. power oil device according to claim 1, it is characterised in that the pipeline high pressure accumulator control module includes Two accumulation of energy groups being arranged in parallel, the accumulation of energy group includes：

The in-line being connected with the outlet of executing agency's oil-feed main pipe；

The 3rd accumulator (504) being arranged on the in-line, the outlet of the 3rd accumulator (504) passes through flowline Road is connected with the oil return opening of executing agency's oil-feed main pipe；

It is arranged on the in-line and is located at the 5th stop valve (501) of the 3rd accumulator (504) inlet side；

For showing the 5th pressure gauge (502) of the oil pressure of the in-line, the 5th pressure gauge (502) is arranged on described The outlet side of the 5th stop valve (501)；

It is arranged on the 6th needle-valve (503) of the 5th pressure gauge (502) inlet side；

The 6th stop valve (505) being arranged in the outlet line.

10. the power oil device according to any one of claim 1-9, it is characterised in that the pressure monitor and test mould Block includes：

Manometer pressure main pipe (614) in parallel with executing agency's fuel feeding main pipe (02), the manometer pressure is female The branch line (615) being connected with main fuel tank (01) oil return opening is provided with pipe (614)；

It is arranged on the 7th stop valve (601) of the inlet side of the manometer pressure main pipe (614)；

It is arranged on the 8th stop valve (613) of the outlet side of the manometer pressure main pipe (614)；

The 9th stop valve (603) being arranged on the branch line (615)；

It is successively set on the 7th stop valve (601) and forces down jump with the multiple system oils between the 8th stop valve (613) Brake pressure switchs (606), and each described system oil forces down the inlet side of tripping operation pressure switch (606) and is provided with the 7th needle-valve (607)；

It is arranged on the second pressure that the 7th stop valve (601) is forced down between tripping operation pressure switch (606) with the system oil Transmitter (605), the inlet side of the second pressure transmitter (605) is provided with the 8th needle-valve (604)；

It is arranged on the system oil pressure that the system oil is forced down between tripping operation pressure switch (606) and the 8th stop valve (613) High alarm pressure switchs (608), and the inlet side of high alarm pressure switch (608) of the system oil pressure is provided with nine kinds of needles valve (609)；

The system oil pressure being arranged between high alarm pressure switch (608) of the system oil pressure and the 8th stop valve (613) Low startup emergency bearing oil pump pressure switch (612), the system oil is forced down the inlet side of startup emergency bearing oil pump pressure switch (612) and is set It is equipped with the tenth needle-valve (611)；

It is arranged on the chain test magnetic valve (610) of oil pump of the tenth needle-valve (611) inlet side.

A kind of 11. gas turbine Hydrauservo Systems, including hydraulic servo-actuator, it is characterised in that also include with it is described Executing agency's power oil device of hydraulic servo-actuator connection, executing agency's power oil device is that right such as will Seek the power oil device of the executing agency described in any one of 1-10.