CN207673442U - A kind of miniature gas turbine reducing transmission structure - Google Patents
A kind of miniature gas turbine reducing transmission structure Download PDFInfo
- Publication number
- CN207673442U CN207673442U CN201721870823.5U CN201721870823U CN207673442U CN 207673442 U CN207673442 U CN 207673442U CN 201721870823 U CN201721870823 U CN 201721870823U CN 207673442 U CN207673442 U CN 207673442U
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- Prior art keywords
- gear
- gas turbine
- output
- ring
- miniature gas
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 54
- 230000009467 reduction Effects 0.000 claims abstract description 16
- 239000010687 lubricating oil Substances 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims abstract description 13
- 241000239290 Araneae Species 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 25
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model provides a kind of miniature gas turbine reducing transmission structure, the gear reduction assemblies of gas turbine and accessory drive component are integrated in one, central gear shaft, spider gear, ring gear, output driven gear, idle pulley, starting device transmission gear, fuel pump transmission gear, lubricating oil pump drive gear are specifically included.The miniature gas turbine reducing transmission structure of the utility model, integrates the functions such as deceleration, power transfer, accessory drive so that miniature gas turbine reducer structure becomes simple, compact, can meet the needs of some specific uses of miniature gas turbine.
Description
Technical field
The utility model is related to gas turbine technology fields, are related to a kind of reducing transmission structure, and in particular to a kind of more work(
The miniature gas turbine reducing transmission structure of energy, gear reduction system and accessory drive system are integrated in one, realize miniature combustion
The miniaturization of gas-turbine reducer structure is simplified.
Background technology
Miniature gas turbine due to size is small, light-weight, fuel tolerance is strong, low noise, with small vibration, disposal of pollutants is low,
It is a series of that cold-start performance is good, load response is fast, maintenance cost is cheap, is not required to be water-cooled etc., can be used as military vehicle, goes straight up to
The power of machine, light-duty ship, it can also be used to distributed power generation, military mobile power, etc. numerous areas.Miniature gas turbine is due to it
Specific use, it is desirable that its is simple in structure, light-weight, small, and retarder and attachment accounting in entire combustion engine space layout
It is larger, therefore, transmission efficiency being improved under conditions of meeting power transfer, simplifying reducer structure, optimization attachment arrangement improves
Transmission stability is very important.
Utility model content
In view of the drawbacks of the prior art and insufficient, the utility model provides a kind of miniature gas turbine Multifunctional speed-reducing biography
Dynamic structure, gear reduction assemblies and accessory drive component are integrated in one, and have both The gear deceleration, power transfer, accessory drive
Function, transmission ratio is big, stable drive, compact-sized, takes full advantage of the space of transmission, axial dimension is small, substantially reduces
The volume and weight of entire deceleration transmission system.
The utility model is that technical solution used by solving its technical problem is：
A kind of miniature gas turbine reducing transmission structure, including gear reduction assemblies and accessory drive component, feature exist
In,
The gear reduction assemblies include a central gear shaft, several spider gears, ring gear, output driven gear, institute
Ring gear is stated to include the input gear ring being arranged on its body inner surface and be arranged output gear in its end face, the output
It includes inside input unit and outside output section to drive gear, and the central gear shaft is engaged with each spider gear, each star
Gear is engaged with the input gear ring of the ring gear, and the output gear of the ring gear and the inside of the output driven gear are defeated
Enter portion's engagement,
The accessory drive component includes idle pulley, starting device transmission gear, fuel pump transmission gear, oil pump driving cog
The outside output section of wheel, the output driven gear is engaged with the lubricating oil pump drive gear of setting thereunder, is also passed through
The idle pulley is engaged with starting device transmission gear, fuel pump transmission gear respectively.
Preferably, the central gear shaft is connected with gas turbine core engine shaft by spline.
Preferably, circumferentially arranged with multiple lightening holes on the ring gear.
Preferably, the output gear of the ring gear has the identical number of teeth, driving described defeated with the output driven gear
Go out to drive gear.
Preferably, the output driven gear is equipped with an annular groove, is also correspondingly arranged on the output gear of the ring gear
There is an annular groove, an axial limiting baffle ring is embedded between two corresponding annular grooves.
Further, the axial limiting baffle ring is elastic steel wire check ring.
Preferably, the output shaft of the output driven gear is equipped with an internal spline, to be set with the outside of gas turbine
The interface of standby (such as generator), by being internalized by key output power.The external equipment for example can be generator.
Preferably, the idle pulley is mounted on an eccentric shaft, lubricating oil built in the lubricating oil pump drive gear driving reduction box
Pump, the lubricating oil pump drive gear are directly installed on built in the reduction box in the drive shaft of oil pump.
Preferably, the starting device transmission gear is mounted on deceleration casing by the internal spline driving of its gear shaft front end
The starting motor in outside, while the alternative electric generation on the outside of deceleration casing is mounted on by the switching spline driving of its gear shaft rear end
Machine.When combustion engine starts, starts motor and start to work, driving starts motor-driven gear and works, to drive entire tooth
Train rotates, and starting torque is provided for gas turbine.When combustion engine reaches certain rotating speed, starts motor and start motor drive tooth
Wheel disengages, and starts motor-driven gear and is rotated freely with idle pulley.
Preferably, the fuel pump transmission gear drives fuel pump to work by the internal spline of its gear shaft front end.
The miniature gas turbine reducing transmission structure of the utility model passes through the design to gear train assembly, sun tooth
The input speed of wheel shaft is 60000r/min, and the output rotating speed of output driven gear is 6000r/min, transmission ratio 10:1.Combustion
When gas-turbine starts, the accessory drive component in gear train gives the power transmission of the starting motor on reduction case
Gas turbine core machine rotor；When gas turbine works normally, accessory drive component extracts work(from gas turbine core machine rotor
Rate passes to the attachment on reduction case by defined transmission ratio, therefore need not be driven by extraneous effect
Dynamic attachment, optimization attachment arrangement are greatly saved the arrangement space of gas turbine machine system, and entire The gear deceleration and attached
Part transmission system individually can be safeguarded and be checked, maintenance cost is reduced.
Description of the drawings
Fig. 1 is the miniature gas turbine reducing transmission structure schematic diagram of the utility model；
Fig. 2 is the dimensional structure diagram of the miniature gas turbine reducing transmission structure of the utility model；
Fig. 3 is output driven gear and ring gear attachment structure schematic diagram.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be noted that the realization method for not being painted or describing in attached drawing, for institute
Belong to form known to a person of ordinary skill in the art in technical field.In addition, the direction term mentioned in following embodiment, such as "upper",
"lower", "front", "rear", "left", "right", "top", "bottom" etc. are only the directions of refer to the attached drawing.Therefore, the direction term used is
For illustrating not to be used for limiting the utility model.
Shown in as shown in Figures 1 to 3, the miniature gas turbine reducing transmission structure of the utility model, including gear deceleration group
Part and accessory drive component, gear reduction assemblies include central gear shaft 1, several spider gears 2, ring gear 3, output driving tooth
Wheel 4, ring gear 3 include the input gear ring that is arranged on its body inner surface and output gear in its end face are arranged, export
It includes inside input unit and outside output section to drive gear 4, and central gear shaft 1 is engaged with each spider gear 2, each spider gear 2
It is engaged with the input gear ring of ring gear 3, the output gear of ring gear 3 is engaged with the inside input unit of output driven gear 4.Attachment
Transmission component includes idle pulley 6, starting device transmission gear 8, fuel pump transmission gear 11, lubricating oil pump drive gear 13, and output is driven
The outside output section of moving gear 4 is engaged with lubricating oil pump drive gear 13, also by idle pulley 6 respectively with starting device transmission gear 8,
Fuel pump transmission gear 11 engages.
It is connected with gas turbine core engine shaft by central gear shaft 1, central gear shaft 1 drives three spider gears 2, into
And drive ring gear 3.The output gear of ring gear 3 has the identical number of teeth with output driven gear 4, drives output driven gear 4.
The annular groove 16 of output driven gear 4 is aligned with the annular groove 17 on ring gear 3, passes through 15 embedded groove 16 of elastic steel wire check ring and slot 17
Position-limiting action (as shown in Figure 3) is played in the inside, ensures that with output driven gear 4 axial float does not occur for ring gear 3.
Internal spline 18 on 4 output shaft of output driven gear connects as gas turbine and external equipment (such as generator) 5
Mouthful, pass through 18 output power of internal spline.The external tooth wheel drive idle pulley 6 of output driven gear 4 and lubricating oil pump drive gear 13, idle pulley
6 are installed on eccentric shaft 7.Lubricating oil pump drive gear 13 then drives oil pump 14 built in reduction box to work, lubricating oil pump drive
Gear 13 is directly installed in the drive shaft of built-in oil pump 14.
Idle pulley 6 drives starting device transmission gear 8 and fuel pump transmission gear 11, starting device transmission gear 8 to pass through certainly
The internal spline driving of body gear shaft front end starts motor 10 (being mounted on the outside of deceleration casing), while passing through spline driving exchange of transferring
Generator 9 (is mounted on the outside of deceleration casing).When combustion engine starts, starts motor 10 and start to work, driving starts motor drive
Gear 8 works, and to drive entire gear train to rotate, starting torque is provided for gas turbine.Turn when combustion engine reaches certain
It when fast, start motor 10 and is disengaged with motor-driven gear 8 is started, start motor-driven gear 8 and rotated freely with idle pulley 6.Fuel oil
Pump drive gear 11 drives fuel pump 12 (being mounted on the outside of deceleration casing) to work.
By the design to the gear train assembly, the input speed of central gear shaft 1 is 60000r/min, and output is driven
The output rotating speed of moving gear 4 is 6000r/min, transmission ratio 10:1.When gas turbine starts, the accessory drive group in gear train
Part gives the power transmission of the starting motor on reduction case to gas turbine core machine rotor；The normal work of gas turbine
When making, accessory drive component extracts power from gas turbine core machine rotor, is passed to mounted on deceleration by defined transmission ratio
Attachment on device casing, therefore need not drive attachment, optimization attachment arrangement that combustion gas is greatly saved by extraneous effect
The arrangement space of turbine machine system, and entire The gear deceleration and accessory drive system individually can be safeguarded and be checked, be dropped
Low maintenance cost.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles according to described in the utility model patent concept are done,
It is included in the protection domain of the utility model patent.Those skilled in the art of the present invention can be to being retouched
The specific embodiment stated does various modifications or additions or substitutes by a similar method, without departing from the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of miniature gas turbine reducing transmission structure, including gear reduction assemblies and accessory drive component, which is characterized in that
The gear reduction assemblies include a central gear shaft, several spider gears, ring gear, output driven gear, described interior
Gear ring includes the input gear ring being arranged on its body inner surface and is arranged output gear in its end face, the output driving
Gear includes inside input unit and outside output section, and the central gear shaft is engaged with each spider gear, each spider gear
It is engaged with the input gear ring of the ring gear, the inside input unit of the output gear of the ring gear and the output driven gear
Engagement,
The accessory drive component includes idle pulley, starting device transmission gear, fuel pump transmission gear, lubricating oil pump drive gear,
The outside output section of the output driven gear is engaged with the lubricating oil pump drive gear of setting thereunder, is also passed through described
Idle pulley is engaged with starting device transmission gear, fuel pump transmission gear respectively.
2. miniature gas turbine reducing transmission structure according to claim 1, which is characterized in that the central gear shaft with
Gas turbine core engine shaft is connected by spline.
3. miniature gas turbine reducing transmission structure according to claim 1, which is characterized in that the ring gear upper edge week
To equipped with multiple lightening holes.
4. miniature gas turbine reducing transmission structure according to claim 1, which is characterized in that the output of the ring gear
Gear ring has the identical number of teeth with the output driven gear, drives the output driven gear.
5. miniature gas turbine reducing transmission structure according to claim 1, which is characterized in that the output driven gear
It is equipped with an annular groove, an annular groove is also correspondingly arranged on the output gear of the ring gear, one is embedded between two corresponding annular grooves
Axial limiting baffle ring.
6. miniature gas turbine reducing transmission structure according to claim 5, which is characterized in that the axial limiting baffle ring
For elastic steel wire check ring.
7. miniature gas turbine reducing transmission structure according to claim 1, which is characterized in that the output driven gear
Output shaft be equipped with an internal spline, to the interface of the external equipment with gas turbine, pass through and be internalized by key output power.
8. miniature gas turbine reducing transmission structure according to claim 1, which is characterized in that the idle pulley is mounted on one
On eccentric shaft, oil pump built in the lubricating oil pump drive gear driving reduction box, the lubricating oil pump drive gear is directly installed on
Built in the reduction box in the drive shaft of oil pump.
9. miniature gas turbine reducing transmission structure according to claim 1, which is characterized in that the starting device transmission
Gear is mounted on the starting motor on the outside of deceleration casing by the internal spline driving of its gear shaft front end, while passing through its gear shaft
The switching spline driving of rear end is mounted on the alternating current generator on the outside of deceleration casing.
10. miniature gas turbine reducing transmission structure according to claim 1, which is characterized in that the fuel oil pump drive
Gear drives fuel pump to work by the internal spline of its gear shaft front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721870823.5U CN207673442U (en) | 2017-12-28 | 2017-12-28 | A kind of miniature gas turbine reducing transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721870823.5U CN207673442U (en) | 2017-12-28 | 2017-12-28 | A kind of miniature gas turbine reducing transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673442U true CN207673442U (en) | 2018-07-31 |
Family
ID=62971675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721870823.5U Expired - Fee Related CN207673442U (en) | 2017-12-28 | 2017-12-28 | A kind of miniature gas turbine reducing transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673442U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273758A (en) * | 2019-06-04 | 2019-09-24 | 湖南航翔燃气轮机有限公司 | Miniature gas turbine generating set |
| CN112267942A (en) * | 2020-11-12 | 2021-01-26 | 中国船舶重工集团公司第七0三研究所 | Starting device for gas turbine |
| CN113511323A (en) * | 2021-04-27 | 2021-10-19 | 中国舰船研究设计中心 | Marine integrated fuel-lubricating oil-seawater pump set device |
| CN114233480A (en) * | 2021-12-13 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Gas turbine transmission system |
| CN114622993A (en) * | 2022-03-16 | 2022-06-14 | 湖南航翔燃气轮机有限公司 | Offset type miniature gas turbine generator set |
-
2017
- 2017-12-28 CN CN201721870823.5U patent/CN207673442U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273758A (en) * | 2019-06-04 | 2019-09-24 | 湖南航翔燃气轮机有限公司 | Miniature gas turbine generating set |
| CN110273758B (en) * | 2019-06-04 | 2020-12-08 | 湖南航翔燃气轮机有限公司 | Micro gas turbine generator set |
| CN112267942A (en) * | 2020-11-12 | 2021-01-26 | 中国船舶重工集团公司第七0三研究所 | Starting device for gas turbine |
| CN113511323A (en) * | 2021-04-27 | 2021-10-19 | 中国舰船研究设计中心 | Marine integrated fuel-lubricating oil-seawater pump set device |
| CN114233480A (en) * | 2021-12-13 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Gas turbine transmission system |
| CN114622993A (en) * | 2022-03-16 | 2022-06-14 | 湖南航翔燃气轮机有限公司 | Offset type miniature gas turbine generator set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 |