CN206419067U - A kind of Gas Turbine Power turbine structure based on friction torsion pass - Google Patents
A kind of Gas Turbine Power turbine structure based on friction torsion pass Download PDFInfo
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- CN206419067U CN206419067U CN201720058804.6U CN201720058804U CN206419067U CN 206419067 U CN206419067 U CN 206419067U CN 201720058804 U CN201720058804 U CN 201720058804U CN 206419067 U CN206419067 U CN 206419067U
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Abstract
The utility model is related to a kind of Gas Turbine Power turbine structure based on friction torsion pass, belongs to the field of gas turbine technology.The power turbine structure mainly includes：First order kinetics turbine, second motive force turbine, turbine wheel shaft, the part such as stay-bolt.Wherein whole power turbine structure is supported by former and later two bearings to be rotated.It is bolted connection between first order kinetics turbine, turbine wheel shaft, second motive force turbine and keeps the concentric of height.Reach that phase mutual friction carries out torsion pass between Pre strained state, turbine reel and the first order kinetics turbine disk, the second motive force turbine disk in bolt, so that the energy of turbine outlet high temperature and high pressure gas to be converted into the kinetic energy and output mechanical energy of power turbine.This power turbine is a kind of power torsion pass structure based on rough surface frictional force between stage of turbine.Due to its compact conformation, and enhance overall stability；Mechanism is simple, is easy to mass production to process；Intensity is big, and rotating speed is medium to be applied to microminiature gas turbine.
Description
Technical field
The utility model is related to a kind of Gas Turbine Power turbine structure for the torsion pass that rubbed based on rough surface, belongs to combustion gas
Turbine technical field, it is adaptable to the small-power grade gas turbine exported afterwards.
Background technology
The energy of gas turbine inlet high temperature and high pressure gas is mainly converted into power turbine by Gas Turbine Power turbine
Mechanical energy.Gas Turbine Power turbine is typically in the environment of HTHP, and rotating speed is high, and power density is big, to power whirlpool
There are very high requirement in wheel construction reliability, the strength of materials, stability and life-span.The power turbine applied to gas turbine turns now
Son, is typically to use end-tooth type of attachment between disk and disk.Because end face tooth structure is relative complex, fit precision grade is high, leads
Processing difficulties are caused, precision is not up to standard etc..
Utility model content
For the defect and deficiency of prior art, the purpose of this utility model is to provide a kind of combustion based on friction torsion pass
Gas-turbine power turbine structure, with compact conformation, resistance to overturning be high, output power density is big, rotating speed is medium, can be with most
The advantages of structure output energy of optimization, suitable for batch production processing, it is widely used for the gas turbine of small-power grade
Prospect.
The utility model be realize technical scheme that its technical purpose used for：
A kind of Gas Turbine Power turbine structure based on friction torsion pass, including first order kinetics turbine, turbine wheel shaft and two grades
Power turbine, it is characterised in that
The front end of the turbine wheel shaft is machined with turbine reel, and the front end face of the turbine reel sets first order kinetics turbine
Disk, the rear end face of the turbine reel sets the second motive force turbine disk, and the first order kinetics turbine disk, turbine reel and two grades are dynamic
The end face that the power turbine disk contacts with each other is disposed as rough surface, and the first order kinetics turbine disk, turbine reel and two grades are dynamic
It is fastenedly connected between the power turbine disk by several stay-bolts.
Preferably, the first order kinetics turbine, turbine wheel shaft and second motive force turbine are arranged on same axis.
Preferably, the stay-bolt is circumferentially evenly arranged in the first order kinetics turbine disk, turbine reel and two grades
On mounting surface between power turbine disk.
Preferably, the mounting surface of the turbine reel is located substantially at the circumferential edge in its rear and front end face.
Preferably, the first order kinetics turbine disk and the second motive force turbine disk are respectively provided with centre bore, and the centre bore of the two
Aperture be all higher than the external diameter of the turbine wheel shaft.
Preferably, the first order kinetics turbine disk is identical with the aperture of the centre bore of the second motive force turbine disk.
Preferably, the power turbine structure is propped up by the rolling bearing for being arranged in the turbine wheel shaft rear and front end
Hold.
Gas Turbine Power turbine structure of the present utility model based on friction torsion pass, its one-level power turbine, turbine wheel shaft
It is fastenedly connected between second motive force turbine by stay-bolt and keeps the concentric of height, pretension shape is reached in stay-bolt
State, phase mutual friction carries out torsion pass between turbine reel and the first order kinetics turbine disk, the second motive force turbine disk, so that by turbine inlet
The energy of high temperature and high pressure gas is converted into the kinetic energy and output mechanical energy of power turbine.
Relative to traditional power turbine structure, the Gas Turbine Power turbine knot of the present utility model based on friction torsion pass
Structure, when stay-bolt reaches certain pretightning force, the gas of gas turbine inlet HTHP impacts Turbine Blade, and then
Whole power turbine structure is driven with friction type.The shearing force that stay-bolt is subject to is sufficiently small, disclosure satisfy that stress requirement.It is whole
Individual power turbine structure can be under identical size scale, and the rotor dynamics performance of power turbine is optimized, and
Compact conformation, can bearing strength it is big, rotating speed is medium, and resistance to overturning is high, is easy to batch production, and the operating that can stablize,
The larger power that compares can be exported again.
Brief description of the drawings
Fig. 1 is the schematic diagram of the Gas Turbine Power turbine structure of the present utility model based on friction torsion pass；
Fig. 2 is the structural representation of turbine wheel shaft in Gas Turbine Power turbine structure of the present utility model.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with accompanying drawing to this practicality
New preferred embodiment is illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explained this reality
With new, it is not used to limit the utility model.
As shown in Figure 1, 2, the Gas Turbine Power turbine structure of the present utility model based on friction torsion pass, it includes one-level
The parts such as power turbine 10, turbine wheel shaft 30, second motive force turbine 20, stay-bolt 40.First order kinetics turbine 10, the and of turbine wheel shaft 30
Second motive force turbine 20 is attached successively by stay-bolt 40.The front end of turbine wheel shaft 30 is machined with turbine reel 31, turbine
The front end face of reel 31 sets the first order kinetics turbine disk, and the rear end face of turbine reel 31 sets the second motive force turbine disk, and one-level is moved
The end face that the power turbine disk, turbine reel 31 and the second motive force turbine disk contact with each other is disposed as rough surface, and first order kinetics
It is fastenedly connected between the turbine disk, turbine reel 31 and the second motive force turbine disk by multiple stay-bolts 40.
Wherein, first order kinetics turbine 10, turbine wheel shaft 30 and second motive force turbine 20 are arranged on same axis, and are passed through
Multiple stay-bolts 40 keep the concentricity of height, multiple stay-bolts 40 be circumferentially evenly arranged in the first order kinetics turbine disk,
On mounting surface between turbine reel 31 and the second motive force turbine disk.Also, as shown in figure 1, the mounting surface base of turbine reel 31
In sheet at the circumferential edge in its rear and front end face.The first order kinetics turbine disk and the second motive force turbine disk are respectively provided with centre bore,
And the aperture of the centre bore of the two is all higher than the centre bore of the external diameter of turbine wheel shaft, the first order kinetics turbine disk and the second motive force turbine disk
Aperture it is identical.Whole power turbine structure is supported by two rolling bearings for being arranged in turbine wheel shaft rear and front end.
The Gas Turbine Power turbine structure of the torsion pass that rubbed based on rough surface of utility model of the present invention, its first order kinetics
It is fastenedly connected between turbine, turbine wheel shaft and second motive force turbine by stay-bolt and keeps the concentric of height, in stay-bolt
Pre strained state is reached, phase mutual friction carries out torsion pass between turbine reel and the first order kinetics turbine disk, the second motive force turbine disk, so that
The energy of turbine inlet high temperature and high pressure gas is converted into the kinetic energy and output mechanical energy of power turbine.What the utility model was provided
New type power turbine structure, it is economical, it is practical, cost is greatly saved, it is big effectively to solve Output Size after gas turbine,
Efficiency of transmission is low, the problems such as processing difficulties, improves the macroeconomic type of gas turbine.
Finally it should be noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to
The utility model, although the utility model is described in detail with reference to signature embodiment, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Equivalent substitution.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements done etc. all should be wrapped
It is contained within protection domain of the present utility model.
Claims (7)
1. a kind of Gas Turbine Power turbine structure based on friction torsion pass, including first order kinetics turbine, turbine wheel shaft and two grades are dynamic
Power turbine, it is characterised in that
The front end of the turbine wheel shaft is machined with turbine reel, and the front end face of the turbine reel sets the first order kinetics turbine disk, institute
The rear end face for stating turbine reel sets the second motive force turbine disk, the first order kinetics turbine disk, turbine reel and second motive force whirlpool
The end face that wheel disc contacts with each other is disposed as rough surface, and the first order kinetics turbine disk, turbine reel and second motive force whirlpool
It is fastenedly connected between wheel disc by several stay-bolts.
2. power turbine structure according to claim 1, it is characterised in that the first order kinetics turbine, turbine wheel shaft and two
Level power turbine is arranged on same axis.
3. power turbine structure according to claim 1, it is characterised in that the stay-bolt is circumferentially evenly arranged in
On mounting surface between the first order kinetics turbine disk, turbine reel and the second motive force turbine disk.
4. power turbine structure according to claim 1, it is characterised in that the mounting surface of the turbine reel is substantially upper
At the circumferential edge in its rear and front end face.
5. power turbine structure according to claim 1, it is characterised in that the first order kinetics turbine disk and second motive force
The turbine disk is respectively provided with centre bore, and the aperture of the centre bore of the two is all higher than the external diameter of the turbine wheel shaft.
6. power turbine structure according to claim 5, it is characterised in that the first order kinetics turbine disk and second motive force
The aperture of the centre bore of the turbine disk is identical.
7. power turbine structure according to claim 1, it is characterised in that the power turbine structure is described by being arranged in
Rolling bearing at turbine wheel shaft rear and front end is supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058804.6U CN206419067U (en) | 2017-01-19 | 2017-01-19 | A kind of Gas Turbine Power turbine structure based on friction torsion pass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058804.6U CN206419067U (en) | 2017-01-19 | 2017-01-19 | A kind of Gas Turbine Power turbine structure based on friction torsion pass |
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| CN206419067U true CN206419067U (en) | 2017-08-18 |
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| CN201720058804.6U Active CN206419067U (en) | 2017-01-19 | 2017-01-19 | A kind of Gas Turbine Power turbine structure based on friction torsion pass |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404051A (en) * | 2018-12-29 | 2019-03-01 | 中国科学院工程热物理研究所 | A kind of the floating positioning and torsion pass structure of nozzle ring |
| CN110359964A (en) * | 2019-07-29 | 2019-10-22 | 哈尔滨电气股份有限公司 | A kind of power turbine of gas turbine |
| CN110439622A (en) * | 2019-08-15 | 2019-11-12 | 北京航天动力研究所 | A kind of hydrogen turbine rotor structure |
| CN115780834A (en) * | 2022-11-14 | 2023-03-14 | 博格华纳汽车零部件(宁波)有限公司 | Turning method for turbine shaft of turbocharger |
-
2017
- 2017-01-19 CN CN201720058804.6U patent/CN206419067U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404051A (en) * | 2018-12-29 | 2019-03-01 | 中国科学院工程热物理研究所 | A kind of the floating positioning and torsion pass structure of nozzle ring |
| CN110359964A (en) * | 2019-07-29 | 2019-10-22 | 哈尔滨电气股份有限公司 | A kind of power turbine of gas turbine |
| CN110439622A (en) * | 2019-08-15 | 2019-11-12 | 北京航天动力研究所 | A kind of hydrogen turbine rotor structure |
| CN115780834A (en) * | 2022-11-14 | 2023-03-14 | 博格华纳汽车零部件(宁波)有限公司 | Turning method for turbine shaft of turbocharger |
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