CN207500002U - A kind of gas turbine Pneumatic drive system - Google Patents
A kind of gas turbine Pneumatic drive system Download PDFInfo
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- CN207500002U CN207500002U CN201721550484.2U CN201721550484U CN207500002U CN 207500002 U CN207500002 U CN 207500002U CN 201721550484 U CN201721550484 U CN 201721550484U CN 207500002 U CN207500002 U CN 207500002U
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- air
- gas turbine
- pipeline
- pneumatic drive
- bracket assembly
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Abstract
The utility model discloses a kind of gas turbine Pneumatic drive systems.Including air source, pipeline and bracket assembly, air motor.Air source and the air source flanged joint in pipeline and bracket assembly, working media is provided for system, air source flanged joint to pressure-regulating valve adjusts output end pressure, it is then passed through flexible conduit and is connected to lubricating coupler, increase a small amount of oil gas into working media and provide lubrication for air motor, air motor is eventually connected to, air motor output is pivotally connected to gas turbine gear-box.The gas turbine Pneumatic drive system overall structure of the utility model is simple, can not generate spark at work, can apply to explode, radiate, the occasion of high temperature, more dirt, and can be used for the environment of air pole humidity, and the danger without electric leakage.System media is air, and the difficulty in unavailability, discharge is pollution-free.
Description
Technical field
The utility model belongs to gas turbine technology field, and in particular to a kind of gas turbine Pneumatic drive system.
Technical background
The starting process of gas turbine needs to provide driving force by outside.It is mostly driven at present using motor drive, hydraulic pressure
The type of drive such as dynamic.Using electric motor-driving way, bulky motor, and motor output end and combustion gas are needed to configure
The connection of turbine can also be limited by space size, broken down when by driving end, can also be caused the situation of generator overload；
And for hydraulic driving mode, then it needs to provide high pressure fuel source, is not easy to seal, and increase demand and the storage of lubricating oil
Amount, system are also more complicated.
Invention content
The technical problem to be solved by the utility model is to provide a kind of driving is provided for gas turbine using pneumatic system
The gas turbine Pneumatic drive system of power.
Used technical solution is to provide a kind of gas turbine pneumatic driving to the utility model to solve above-mentioned technical problem
Dynamic system, the system set gradually air source, pipeline and bracket assembly, the air motor that oriented whole system provides working media,
Wherein pipeline and bracket assembly includes air source flange, pressure-regulating valve, pressure pipe and the lubricating coupler group for being connect with air source
Part, the output of air motor are pivotally connected to the gear-box of gas turbine.
Further, one section of flexible conduit is provided on pipeline and bracket assembly.
Further, it is additionally provided with elbow on pipeline and bracket assembly.
Further, the air motor includes rotor, blade and stator, and stator both ends are closed by support plate, rotor
It is moved freely in the radial direction slot of rotor with stator gap cooperation, blade on two eccentric ball bearings in stator,
Ensure sealing and volumetric efficiency, case lid and bearing cap by air pressure and itself centrifugal force to keep blade against stator
Between o-ring provide air sealing.
Air source is connected to pneumatic horse by the utility model gas turbine Pneumatic drive system by pipeline and bracket assembly
It reaches.By this structure combination, largely solves the compact spindle nose insufficient space brought of gas turbine structure
Problem, and air motor has higher starting torque, starts, stops, rapidly and convenient for control, but also with overload
Protective effect will not break down due to overload.During overload, motor is that rotating speed is reduced or stopped, and when overload releasing, immediately may be used
To run well again, the failures such as parts damage are not generated, can be fully loaded with that continuously run Wen Sheng smaller for a long time.System is whole
It is simple in structure, spark can not be generated at work, be can apply to explode, be radiated, the occasion of high temperature, more dirt, and can be used for sky
The environment of air exhaustion humidity, and the danger without electric leakage.System media is air, and the difficulty in unavailability, discharge is pollution-free.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structure diagram of the utility model gas turbine Pneumatic drive system.
Fig. 2 is the systematic schematic diagram of the utility model gas turbine Pneumatic drive system.
Fig. 3 is the utility model Pneumatic motor structure schematic diagram.
Specific embodiment
The gas turbine Pneumatic drive system involved by utility model is described in detail referring to the drawings.
As illustrated in fig. 1 and 2, the air source flange 1 that air source is connected on pipeline and bracket assembly provides work for whole system
Medium.Flexible conduit 4 is selectively connected between pressure-regulating valve 2 and lubricator package 6 on pipeline and bracket assembly
With elbow 5.The end of pipeline and bracket assembly is connected to air motor 8, the tooth of the output axis connection gas turbine of air motor 8
Roller box 10.
For the ease of installing and reducing influence of the steam turbine vibrations to compressed air source unit, can be set in pipeline and bracket assembly
Put one section of flexible conduit 4.
In order to accurately adjust outlet pressure, in pipeline and bracket assembly end setting pressure interface tube 7, pass through pressure balance
Pipeline is connected to inside pressure-regulating valve 2, to carry out comparison adjusting.
The utility model uses the air motor 8 of small volume as executive component, has light-weight, small, Neng Gouan
The advantages that mounted in narrow position, the space of spindle nose has been greatly saved it.As shown in figure 3, air motor 8 includes rotor 83, blade
82 and 81 three parts of stator.81 both ends of stator are closed by support plate, and rotor 83 is mounted on two ball bearings eccentric in stator 81
On and 81 gap of stator cooperation.Blade 82 moves freely in the radial direction slot of rotor 83, by air pressure and itself centrifugal force
To keep blade against stator 81 to ensure sealing and volumetric efficiency, the o-ring between case lid and bearing cap provides air sealing.
To reduce mechanical complexity, without especially lubricating between the blade 82 and stator 81 inside gas turbine air motor 8
Mode.Since 82 disassembling, assembling and replacing of blade is convenient, therefore by 82 material of blade less than 81 hardness of stator in the range of, improving stator 81 makes
It is low due to the use of frequency with the service life, so the blade 82 as consumables, replacement cycle are also very long.On this basis, it is driving
Lubricator package 6 is increased in system, makes containing a small amount of oil gas in dielectric gas, can be that rotor 83 is lubricated with blade 82.
Required rotating speed different requirement during in order to meet the purging of gas turbine and igniting, in gas turbine front-end of spindle
And end setting velocity sensor（See attached drawing 2）, the opening and closing of solenoid valve decision pressure-regulating valve 2 is controlled by the rotating speed of feedback,
It opens during purging, is closed after meeting purging, open when rotating speed meets igniting demand and closed after accelerating to self-sustain speed.
During work, air source is connected to pipeline and bracket assembly by air source flange 1, and pressure is adjusted by pressure-regulating valve 2,
It lubricates by lubricator package 6, enters from the inlet flange of the inlet end of air motor 8.Blade 82 is inserted in the radial direction of rotor 83
It is moved freely in slot, makes blade 82 against stator 81 by air pressure and centrifugal force to ensure sealing and volumetric efficiency, blade
The pressure energy of compressed air is converted into the mechanical energy of rotation by 82 drive rotors 83, is then discharged from air motor air outlet slit 9.
Key connection gas turbine drives on rotor
Torque is transmitted in the inside of freewheel clutch in gear-box 10 by freewheel clutch, drives the rotation of gas turbine main shaft
Go to self-sustain speed.It can achieve the effect that start driver disengages with main shaft when directly cut-out compressed air；
Solenoid valve can be controlled to determine the opening and closing of pressure-regulating valve by the rotating speed of feedback, when purging opens, closes, treat after meeting purging
It opens when rotating speed meets igniting demand and is closed after accelerating to self-sustain speed.
Air source is connected to pneumatic horse by the utility model gas turbine Pneumatic drive system by pipeline and bracket assembly
It reaches.By this structure combination, largely solves the compact spindle nose insufficient space brought of gas turbine structure
Problem, and air motor has higher starting torque, starts, stops, rapidly, convenient for control, but also with overload
Protective effect will not break down due to overload.During overload, motor is that rotating speed is reduced or stopped, and when overload releasing, immediately may be used
To run well again, the failures such as parts damage are not generated, can be fully loaded with that continuously run Wen Sheng smaller for a long time.System is whole
It is simple in structure, spark can not be generated at work, be can apply to explode, be radiated, the occasion of high temperature, more dirt, and can be used for sky
The environment of air exhaustion humidity, and the danger without electric leakage.System media is air, and the difficulty in unavailability, discharge is pollution-free.
Claims (4)
1. a kind of gas turbine Pneumatic drive system, which is characterized in that set gradually oriented whole system and working media is provided
Air source, pipeline and bracket assembly, air motor（8）, wherein pipeline and bracket assembly include the air source for being connect with air source
Flange（1）, pressure-regulating valve（2）, pressure pipe（3）And lubricator package（6）, air motor（8）Output axis connection combustion gas wheel
The gear-box of machine（10）.
2. a kind of gas turbine Pneumatic drive system as described in claim 1, which is characterized in that on pipeline and bracket assembly
It is provided with one section of flexible conduit（4）.
3. a kind of gas turbine Pneumatic drive system as described in claim 1, which is characterized in that on pipeline and bracket assembly
It is provided with elbow（5）.
A kind of 4. gas turbine Pneumatic drive system as described in claim 1, which is characterized in that the air motor（8）
Including rotor（83）, blade（82）And stator（81）, stator（81）Both ends are closed by support plate, rotor（83）Mounted on stator
（81）On two ball bearings of interior bias, with stator（81）Clearance fit, blade（82）In rotor（83）Radial direction slot in from
By moving, by air pressure and itself centrifugal force to keep blade（82）Against stator（81）To ensure sealing and volume effect
Rate, the o-ring between case lid and bearing cap provide air sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550484.2U CN207500002U (en) | 2017-11-20 | 2017-11-20 | A kind of gas turbine Pneumatic drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550484.2U CN207500002U (en) | 2017-11-20 | 2017-11-20 | A kind of gas turbine Pneumatic drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500002U true CN207500002U (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721550484.2U Active CN207500002U (en) | 2017-11-20 | 2017-11-20 | A kind of gas turbine Pneumatic drive system |
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| CN (1) | CN207500002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725198A (en) * | 2017-11-20 | 2018-02-23 | 大连派思透平动力科技有限公司 | Gas turbine Pneumatic drive system |
-
2017
- 2017-11-20 CN CN201721550484.2U patent/CN207500002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725198A (en) * | 2017-11-20 | 2018-02-23 | 大连派思透平动力科技有限公司 | Gas turbine Pneumatic drive system |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116610 No. 73, Zhenpeng industrial city, Dalian Economic and Technological Development Zone, Liaoning Province Patentee after: Dalian oppner Turbine Power Technology Co.,Ltd. Address before: 116610 No. 73, Zhenpeng industrial city, Dalian Economic and Technological Development Zone, Liaoning Province Patentee before: DALIAN ENERGAS TURBINE POWER TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |