CN110185760A - The starshaped reducing gear of turbo oar engine - Google Patents
The starshaped reducing gear of turbo oar engine Download PDFInfo
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- CN110185760A CN110185760A CN201910358240.1A CN201910358240A CN110185760A CN 110185760 A CN110185760 A CN 110185760A CN 201910358240 A CN201910358240 A CN 201910358240A CN 110185760 A CN110185760 A CN 110185760A
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- casing
- gear
- input
- power turbine
- intermediate gear
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02091—Measures for reducing weight of gearbox
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of starshaped reducing gears of turbo oar engine, including input casing and output casing, rotation is installed with entering spindle in input casing, and the input terminal of entering spindle is connected with the power turbine component for input power, is installed with drive bevel gear on the output end of entering spindle.Center tooth wheel carrier is also installed on entering spindle output end, center tooth wheel carrier is located in input casing and respectively with input casing and output casing and is connected, rotation is installed with multiple groups intermediate gear group on center tooth wheel carrier, multiple groups intermediate gear group respectively with drive bevel gear external toothing.Rotation is installed with paddle shaft in output casing, is successively installed with connected interior helical teeth circle and gear hub in the outer circle of paddle shaft input terminal, multiple groups intermediate gear group also respectively with interior helical teeth circle internal messing.The starshaped reducing gear of turbo oar engine of the invention, casing quantity is few, and the weight and manufacturing cost of retarder entirety are low, and the power to weight ratio of retarder is high, and compact-sized, transmission ratio and transmission efficiency are high.
Description
Technical field
The present invention relates to turbo oar engine fields, particularly, are related to a kind of starshaped reducing gear of turbo oar engine.
Background technique
What the middle-size and small-size turbo oar engine in China was walked is the road of independent development, is not suitble to the middle-size and small-size whirlpool of Russia of mapping
Paddle motor can not also introduce the middle-size and small-size turbo oar engine in the U.S..From the application of the middle-size and small-size turbo oar engine of foreign countries' buying
Field is also severely limited.The basic principle of the turbo oar engine of various countries is all identical, the whirlpool paddle hair of respective independent design
Motivation total arrangement similarity is very high, the turbo oar engine designed afterwards can referring to the previously designed turbo oar engine of a plurality of other countries into
Row, which improves, to be improved.Newly-designed turbo oar engine will not follow external old road, and industrial foundation is different, and critical material performance is not
Equally, core technology level is different, we must calculate design structure and parameter that analysis verification experimental verification is crossed ourselves using.
The revolving speed of the power turbine of middle-size and small-size turbo oar engine is up to more than 40,000 rpms, and the revolving speed of propeller only has
2000 rpms, it is desirable that revolving speed reduces by 20 times, in addition the high power to weight ratio of aero-engine, high intense, high reliability
It is required that keeping the design and manufacture of middle-size and small-size turbo oar engine difficult.Its complexity is that the retarder of turbo oar engine is also wanted
Realize that the peace for turning round pump, governor, limiter of speed and hydraulic torque measuring mechanism is surveyed in some additional features and parts installations, such as transmission
Dress realizes Propeller variable pitch point oil, bearing power turbine, installation exhaust volute and provides the additional functions such as main installation section.And
The retarder of middle-size and small-size turbo oar engine is typically mounted at hot end, to avoid exhaust volute and shield heat.The whirlpool paddle of maritime version
The retarder of engine will prevent greasy dirt substantially and leak and pass through salt spray corrosion test, have to material and surface treatment and strictly want
It asks.The middle-size and small-size turbo oar engine of exploitation long-life maritime version can increase the cruise of unmanned plane for island airport significantly when
Between and combat radius, save fuel consumption.
Based on engineering aesthetic view point, the retarder of most of turbo oar engine is concentric shafts input and output.The whirlpool paddle of early stage
For engine using differential wandering star type retarder is closed, remarkable advantage is power dividing, can transmit very big power, but use
Just seem that structure is complicated in the small-sized turbo oar engine of high reduction ratio, reliability is low；The retarder of middle-size and small-size turbo oar engine
Have using two-stage wandering star type retarder, there are two ring gear and two pinion gear framves, structure is complicated, number of parts is more,
Manufacturing cost is high；It was not applied there are also a lot of other driving forms.Existing turbo oar engine is mainly using the differential wandering star of closing
Formula retarder, that there are engine crankcase quantity is more, case structure is complicated, the shortcomings that being easy oil leak at power turbine bearing.
Summary of the invention
The present invention provides a kind of starshaped reducing gears of turbo oar engine, multiple to solve structure existing for existing retarder
Technical problem miscellaneous, number of parts is more and manufacturing cost is high.
The technical solution adopted by the invention is as follows:
A kind of starshaped reducing gear of turbo oar engine, comprising: what is set gradually and be connected along the axial direction of turbo oar engine is defeated
Enter casing and output casing, rotation is installed with the entering spindle being axially arranged along it, the input terminal of entering spindle in input casing
It is connected with the power turbine component for input power, is installed with drive bevel gear on the output end of entering spindle；Entering spindle
Also be installed with center tooth wheel carrier in the outer circle of output end, center tooth wheel carrier be located in input casing and respectively with input casing and defeated
Casing is connected out, and rotation is installed with multiple groups intermediate gear group on center tooth wheel carrier, multiple groups intermediate gear group respectively with active helical teeth
External toothing is taken turns, so that the power in entering spindle is transferred in intermediate gear group by drive bevel gear；Export rotation in casing
It is installed with the paddle shaft with entering spindle coaxial arrangement, is installed with connected interior helical teeth circle and gear in the outer circle of paddle shaft input terminal
Hub, multiple groups intermediate gear group also respectively with interior helical teeth circle internal messing so that the power being transferred in intermediate gear group by it is interior tiltedly
Gear ring and gear hub are transferred in paddle shaft.
Further, starshaped reducing gear further includes for making center tooth wheel carrier be connected respectively with input casing and output casing
More connection slide bars, each slide bar that connects is arranged on center tooth wheel carrier along the axial restraint of center tooth wheel carrier；Input casing with
The mounting hole that end face opposite between casing is equipped with multiple indents is exported, is inputted on the mounting hole on casing and output casing
Mounting hole is arranged in a one-to-one correspondence；Respectively slide to be inserted on input casing and output casing and be correspondingly arranged in the both ends of connection slide bar
In mounting hole.
Further, the mounting hole for inputting casing is connected to the inner cavity of input casing, and exports the mounting hole connection of casing
To the inner cavity of output casing；The quantity for connecting slide bar is three, circumferential uniform intervals of three connection slide bars along center tooth wheel carrier
Setting, each to connect the hollow stem that slide bar is both ends connection, three connection slide bars are used to make to input casing respectively and export casing
Lubricant passage way, survey turn round oil circuit and compressed air circuit is respectively communicated with.
Further, multiple groups intermediate gear group is arranged along the circumferential uniform intervals of center tooth wheel carrier, and intermediate gear group includes
The first intermediate gear that axial rotation along center tooth wheel carrier is installed on center tooth wheel carrier, and the end face with the first intermediate gear
The second intermediate gear being fixedly connected；The external tooth of first intermediate gear and the external tooth external toothing of drive bevel gear；Second center tooth
The internal tooth internal messing of the external tooth of wheel and interior helical teeth circle.
Further, drive bevel gear and the number of teeth of interior helical teeth circle are respectively the integral multiple of intermediate gear group group number；First
The number of teeth of intermediate gear and the second intermediate gear is matched according to the reduction ratio of starshaped reducing gear to be arranged；By drive bevel gear and first
Intermediate gear constitute the first order transmission center away from be made of the second intermediate gear and interior helical teeth circle the second level transmission
Center is away from equal.
Further, Bevel Gear Transmission room is equipped in output casing；Starshaped reducing gear further includes for displacement point oil and pacifying
The displacement of dress bearing paddle shaft divides oil bearing cover for seat, and the accessory drive bevel gear set for installing accessory drive gear, displacement point
Oil bearing cover for seat and accessory drive bevel gear set are respectively positioned in Bevel Gear Transmission room, and displacement divides oil bearing cover for seat and accessory drive to bore
Gear set is installed in the outer circle of paddle shaft, and displacement divides oil bearing cover for seat between gear hub and accessory drive bevel gear set；
Displacement divides the stick roller bearing for being equipped with and being installed in gear hub outer circle in oil bearing cover for seat.
Further, displacement divides oil bearing cover for seat to include successively being laid along axial direction for installing the bearing of bearing paddle shaft
Seat, and the bearing holder (housing, cover) for displacement point oil and lubrication；Bearing block be in output the shape of casing it is similar horn-like, bearing block
Open end is towards gear hub, and the periphery wall of bearing block open end holds out against the internal perisporium of Bevel Gear Transmission room open end with sealed taper
The open end of gear drive room；Stick roller bearing is located in bearing block；Bearing holder (housing, cover) is set in the outer circle of paddle shaft.
Further, power turbine component includes the power turbine shaft of rotation setting, and for installing bearing power turbine
The power turbine bearing seat of axis；Power turbine bearing seat is installed in the axis of input casing input terminal along the axial restraint of input casing
Kong Zhong, and the overhanging end of power turbine bearing seat extend out to outside input casing and connects with the end face seal of input casing input terminal
It connects, is revealed to prevent lubricating oil by the gap between input casing and power turbine bearing seat；Power turbine shaft is installed in power turbine
In bearing block, and power turbine shaft is coaxially disposed with entering spindle and is fixedly connected with the input terminal of entering spindle.
Further, input casing close to power turbine shaft output end internal perisporium be equipped with it is a plurality of axially extend it is recessed
Slot, groove are used to be oriented to lubricating oil and increase power turbine bearing seat and input the heat exchange zone of casing progress heat exchange
Area.
Further, it inputs in the outer circle of casing input terminal and is successively arranged power turbine runner outer ring and exhaust load machine
Casket；Go out stream end and the influent stream end of exhaust support case of power turbine runner outer ring are welded and fixed；It is vented support case and input
The input terminal of casing is fixedly connected.
The invention has the following advantages:
Have an individual outer casing compared to common retarder center tooth wheel carrier, and outer casing respectively with input casing and output
When casing is connected, existing outer casing and input casing and the output problem that casing concentricity is poor, retarder weight is big, the present invention
Turbo oar engine starshaped reducing gear in, center tooth wheel carrier be located at input casing in and respectively with input casing and export casing
It is connected, so as to reduce the quantity of casing, reduces the weight and manufacturing cost of retarder entirety, while improving the function weight of retarder
Than；It is interior since multiple groups intermediate gear group is respectively with interior helical teeth circle internal messing in the starshaped reducing gear of turbo oar engine of the invention
The diameter of helical teeth circle is big, and multiple groups intermediate gear group is inclusive in the inside of interior helical teeth circle, so that reducer structure is compact and is driven
Than high；Drive bevel gear and the intermediate gear group first order are Helical gear Transmission, intermediate gear group and interior helical teeth circle second when being driven
Grade transmission when be also Helical gear Transmission, the overlap coefficient of helical teeth is big, structural strength is high, and can produce axial force for survey torsion；It adopts
When with drive bevel gear, interior helical teeth star deceleration transmission, transmission ratio is close to, and multiple groups intermediate gear group is for sharing complete machine
Power transfer task, Gear Surface Strength are easily guaranteed that, and transmission efficiency is high.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the half-sectional schematic view of the front view of the starshaped reducing gear of the turbo oar engine of the preferred embodiment of the present invention.
Marginal data
10, casing is inputted；101, groove；20, casing is exported；201, Bevel Gear Transmission room；30, entering spindle；40, power
Turbine assembly；41, power turbine shaft；42, power turbine bearing seat；50, drive bevel gear；60, center tooth wheel carrier；70, intermediate
Gear set；71, the first intermediate gear；72, the second intermediate gear；80, paddle shaft；90, interior helical teeth circle；110, gear hub；120, even
Connect slide bar；130, displacement divides oil bearing cover for seat；131, bearing block；132, bearing holder (housing, cover)；140, accessory drive bevel gear set；150, it rolls
Mandrel is held；160, power turbine runner outer ring；170, it is vented support case.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited by following and
The multitude of different ways of covering is implemented.
Referring to Fig.1, the preferred embodiment of the present invention provides a kind of starshaped reducing gear of turbo oar engine, comprising: along whirlpool
The input casing 10 and output casing 20 that the axial direction of paddle motor sets gradually and is connected, the interior rotation of input casing 10 are installed with edge
Its entering spindle 30 being axially arranged, the input terminal of entering spindle 30 are connected with the power turbine component 40 for input power,
Drive bevel gear 50 is installed on the output end of entering spindle 30.Center tooth is also installed in the outer circle of 30 output end of entering spindle
Wheel carrier 60, center tooth wheel carrier 60 are located in input casing 10 and respectively with input casing 10 and output casing 20 and are connected, center tooth
Rotation is installed with multiple groups intermediate gear group 70 on wheel carrier 60, multiple groups intermediate gear group 70 respectively with 50 external toothing of drive bevel gear,
So that the power in entering spindle 30 is transferred in intermediate gear group 70 by drive bevel gear 50.Export rotation dress in casing 20
Equipped with the paddle shaft 80 being coaxially disposed with entering spindle 30, connected interior helical teeth circle is successively installed in the outer circle of 80 input terminal of paddle shaft
90 and gear hub 110, multiple groups intermediate gear group 70 also respectively with interior 90 internal messing of helical teeth circle, so as to be transferred to intermediate gear group 70
On power be transferred in paddle shaft 80 by interior helical teeth circle 90 and gear hub 110.
When the starshaped reducing gear work of turbo oar engine of the invention, the power inputted by power turbine component 40 passes first
It is handed in entering spindle 30, is then secondly transferred in drive bevel gear 50, the power in drive bevel gear 50 is transferred to again and it
In the multiple groups intermediate gear group 70 of external toothing, and power is transferred to Shi Jinhang in multiple groups intermediate gear group 70 by drive bevel gear 50
First order deceleration, the power in multiple groups intermediate gear group 70 is transferred to again on interior helical teeth circle 90, and power is by multiple groups center tooth
Wheel group 70 has carried out the second level deceleration when being transferred on interior helical teeth circle 90, the dynamic retarding so far transmitted by power turbine component 40
It completes, meets the requirement of propeller driving, the power being transferred on interior helical teeth circle 90 is transferred to again on gear hub 110, gear hub
Power on 110 is transferred to again in paddle shaft 80, is so far completed power and is slowed down by power turbine component 40 and be transferred in paddle shaft 80.
Have an individual outer casing compared to common retarder center tooth wheel carrier, and outer casing respectively with input casing and output
When casing is connected, existing outer casing and input casing and the output problem that casing concentricity is poor, retarder weight is big, the present invention
Turbo oar engine starshaped reducing gear in, center tooth wheel carrier 60 be located in input casing 10 and respectively with input casing 10 and defeated
Casing 20 is connected out, so as to reduce the quantity of casing, reduces the weight and manufacturing cost of retarder entirety, while improving deceleration
The power to weight ratio of device；In the starshaped reducing gear of turbo oar engine of the invention, due to multiple groups intermediate gear group 70 respectively with interior helical teeth
90 internal messings are enclosed, the diameter of interior helical teeth circle 90 is big, and multiple groups intermediate gear group 70 is inclusive in the inside of interior helical teeth circle 90, so that subtracting
Fast device is compact-sized and transmission ratio is high；Drive bevel gear 50 and 70 first order of intermediate gear group are Helical gear Transmission when being driven, in
Between gear set 70 and interior 90 second level of helical teeth circle be also Helical gear Transmission when being driven, the overlap coefficient of helical teeth is big, structural strength is high,
And can produce axial force for survey torsion；When using drive bevel gear 50, interior helical teeth star deceleration transmission, transmission ratio is close to 20,
And multiple groups intermediate gear group 70 is used to share the power transfer task of complete machine, Gear Surface Strength is easily guaranteed that, and transmission efficiency is high.
Optionally, as shown in Figure 1, starshaped reducing gear further include for make center tooth wheel carrier 60 respectively with input casing 10 and
Export more connected connection slide bars 120 of casing 20, it is each to connect during slide bar 120 is arranged in along the axial restraint of center tooth wheel carrier 60
Between on tooth rest 60.It inputs casing 10 and exports the mounting hole that end face opposite between casing 20 is equipped with multiple indents, input
Mounting hole on casing 10 is arranged in a one-to-one correspondence with the mounting hole on output casing 20.It slides respectively at the both ends of connection slide bar 120
It is inserted in input casing 10 and exports in the mounting hole being correspondingly arranged on casing 20, so that center tooth wheel carrier 60 is along axial with micro-
Small sliding with the axial force of balance gear and can survey torsion lubricating oil pressure, and then it is harmonious to improve torque.Preferably, center tooth
Wheel carrier 60 is surveyed and turns round piston bush loaded on defeated towards being connected with monoblock type on the end face of entering spindle 30 and piston is turned round in survey in a ring
Enter on main shaft 30, this kind of structure type is compared in existing turbo oar engine, and the uniformly distributed intermediate gear of three stars is loaded on fixation
On intermediate casing, and each intermediate gear turns round piston using respectively discrete survey and existing " number of parts is more, and lubrication easily occurs and leads
To thermal stabilization shield cover oil leak, and intermediate casing both ends of the surface and many places technique plug oil leak easily occurs for pipe " the technical issues of, the present invention
Turbo oar engine starshaped reducing gear, the knot of piston in combination is turned round using the survey of movable built-in center tooth wheel carrier 60 and circular ring shape
The number of parts of structure, the composite structure is few, significantly reduces the workload of manufacture and assembly, while improving working performance and can
By property, and then the technology for solving " casing quantity is more, case structure is complicated, is easy oil leak " existing for existing turbo oar engine is asked
Topic.
Further, as shown in Figure 1, the mounting hole of input casing 10 is connected to the inner cavity of input casing 10, and machine is exported
The mounting hole of casket 20 is connected to the inner cavity of output casing 20.The quantity for connecting slide bar 120 is three, three 120 edges of connection slide bar
The circumferential uniform intervals of center tooth wheel carrier 60 are arranged, each to connect the hollow stem that slide bar 120 is both ends connection, three connection slide bars
120 are respectively communicated with for making to input casing 10 and export the lubricant passage way of casing 20, survey torsion oil circuit and compressed air circuit respectively.
Optionally, as shown in Figure 1, multiple groups intermediate gear group 70 is arranged along the circumferential uniform intervals of center tooth wheel carrier 60, respectively
Intermediate gear group 70 includes the first intermediate gear 71 being installed on center tooth wheel carrier 60 along the axial rotation of center tooth wheel carrier 60,
And the second intermediate gear 72 being fixedly connected with the end face of the first intermediate gear 71.The external tooth of first intermediate gear 71 and active are tiltedly
The external tooth external toothing of gear 50.The internal tooth internal messing of the external tooth of second intermediate gear 72 and interior helical teeth circle 90.It is main when specific setting
Dynamic helical gear 50 is monolithic construction with entering spindle 30, reinforces the structural strength of entering spindle 30；Outside drive bevel gear 50
Outer helical teeth is machined on disc；It is machined on the periphery of first intermediate gear 71 and is nibbled outside the outer helical teeth in drive bevel gear 50
The outer helical teeth closed；Interior helical teeth is machined on the inner headed face of interior helical teeth circle 90；Be machined on the periphery of second intermediate gear 72 with
The outer helical teeth of interior helical teeth internal messing on interior helical teeth circle 90.
Specifically, when actual setting, the number of teeth of drive bevel gear 50 and interior helical teeth circle 90 is respectively 70 groups of intermediate gear group
Several integral multiples, i.e., when intermediate gear group 70 has n group, the number of teeth of drive bevel gear 50 and interior helical teeth circle 90 is respectively the whole of n
Several times, when cooperating with the cooperation of drive bevel gear 50, the second intermediate gear 72 with interior helical teeth circle 90 to avoid the first intermediate gear 71
Cannot be fully mated, there are the situations of interference；The number of teeth of first intermediate gear 71 and the second intermediate gear 72 is slowed down according to star
The reduction ratio of device is specifically arranged, and guarantees the first order being made of drive bevel gear 50 and the first intermediate gear 71 transmission, second
The second level that intermediate gear 72 and interior helical teeth circle 90 are constituted is driven, and the center of two-stage transmission is away from equal.
Optionally, as shown in Figure 1, being equipped with Bevel Gear Transmission room 201 in output casing 20.Starshaped reducing gear further includes being used for
Displacement divides displacement that is oily and installing bearing paddle shaft 80 to divide oil bearing cover for seat 130, and the attachment for installing accessory drive gear passes
Dynamic bevel gear group 140, displacement divide oil bearing cover for seat 130 and accessory drive bevel gear set 140 to be respectively positioned on Bevel Gear Transmission room 201
Interior, displacement divides oil bearing cover for seat 130 and accessory drive bevel gear set 140 to be successively installed in the outer circle of paddle shaft 80, and displacement point
Oil bearing cover for seat 130 is between gear hub 110 and accessory drive bevel gear set 140.Displacement, which divides in oil bearing cover for seat 130, to be equipped with
The stick roller bearing 150 being installed in 110 outer circle of gear hub.
In existing reducer structure, since the bearing block for installing bearing paddle shaft connects disc and output by muti-piece
Casing is fixedly connected, so bearing block and output casing monoblock cast are formed, is not easy to the interior of process tool processing output casing
Chamber, and the presence due to connecting disc is not easy to process, in structure of the invention, have so that output casing intracavity space is small
The displacement that displacement point oil and installation bearing paddle shaft 80 act on divides oil bearing cover for seat 130 to be monolithic construction, and is directly installed in paddle
In the outer circle of axis 80, this kind of structure design allows to process the inner cavity of output casing 20 by numerical control device, and then makes to export
The inner cavity of casing 20 is lighter and more spacious, and processability is good, and easy to repair；In existing reducer structure, for displacement point oil and lubrication
Bearing holder (housing, cover) designed with both bearing block for install bearing paddle shaft to be seperated, rotation work of the lubricating oil in bearing holder (housing, cover) in paddle shaft
It is thrown out of under, and the bearing that lubrication is set in bearing block cannot be flowed, so the bearing life in bearing block is low, this
In the structure of invention, the displacement with displacement point oil and installation bearing 80 effect of paddle shaft divides oil bearing cover for seat 130 to be monoblock type knot
Structure convenient for the stick roller bearing 150 in the oil lubrication bearing block of displacement point oil, and then extends the service life of stick roller bearing 150,
And the leakage of displacement oil is reduced, and improve the sensitivity of pitch control, improve maintainability.
Specifically, as shown in Figure 1, displacement divides oil bearing cover for seat 130 to include successively being laid along axial direction for installing bearing
The bearing block 131 of paddle shaft 80, and the bearing holder (housing, cover) 132 for displacement point oil and lubrication.Bearing block 131 is in outer with output casing 20
Shape is similar horn-like, and the open end of bearing block 131 is towards gear hub 110, and the periphery wall of 131 open end of bearing block holds out against cone
The internal perisporium of 201 open end of gear drive room is to seal the open end of Bevel Gear Transmission room 201.Stick roller bearing 150 is located at bearing
In seat 131.Bearing holder (housing, cover) 132 is set in the outer circle of paddle shaft 80.Displacement divides this kind of structure of oil bearing cover for seat 130, layout type
Agree with the tapered profile of output casing 20, reducer structure can be made compact, and shorten the axial length of retarder, mitigated simultaneously
The weight of retarder；The displacement of monoblock type divides oil bearing cover for seat 130, is both the mounting base of stick roller bearing 150 and bevel gear biography
The end cap of room 201 is moved, studs with copper sheathing in bearing holder (housing, cover) 132, has displacement point oil and lubricating function concurrently.
Optionally, as shown in Figure 1, power turbine component 40 includes the power turbine shaft 41 of rotation setting, and for installing
Support the power turbine bearing seat 42 of power turbine shaft 41.Axial restraint installing of the power turbine bearing seat 42 along input casing 10
In the axis hole of input 10 input terminal of casing, and the overhanging end of power turbine bearing seat 42 extend out to input casing 10 it is outer and with it is defeated
The end face seal connection for entering 10 input terminal of casing, to prevent lubricating oil by the gap between input casing 10 and power turbine bearing seat 42
Leakage.Power turbine shaft 41 is installed in power turbine bearing seat 42, and power turbine shaft 41 and entering spindle 30 are coaxially disposed
And it is fixedly connected with the input terminal of entering spindle 30.
In existing reducer structure, power turbine bearing seat 42 is directly axially inserted into the axis hole of input 10 input terminal of casing
In, and the sealing element for being used for sealing gap between the two, power whirlpool are equipped between power turbine bearing seat 42 and input casing 10
Heat on wheel bearing seat 42 only passes through sealing element and is transferred on input casing 10, and heat transfer speed is very slow, and lubricating oil holds
Easily from gap location leakage between the two.In structure of the invention, power turbine bearing seat 42 is solid along the axial direction of input casing 10
Surely be installed in input 10 input terminal of casing axis hole in, and power turbine bearing seat 42 overhanging end stretch out input casing 10 after with
The end face seal connection of 10 input terminal of casing is inputted, and then prevents lubricating oil by between input casing 10 and power turbine bearing seat 42
Gap location leakage, meet marine environment characteristic requirements, Engine Cleanliness Level improves, and clean and maintenance work is easy to carry out；And it is dynamic
Power turbine bearing block 42 is fixed in the axis hole of input 10 input terminal of casing, compared to power turbine bearing in existing structure
Seat 42 is inserted directly into the axis hole of casing 10, is fixedly connected with the assembly so that between power turbine bearing seat 42 and input casing 10
Tightness is big, is conducive to the stability of bearing working；Assembly tightness keeps contact area big in turn greatly, is conducive to power turbine bearing seat
42 heat is quickly transmitted on input casing 10, improves the heat transfer of power turbine bearing seat 42, improves power turbine shaft
The service life held, and then improve the service life of engine；Further, the overhanging end of power turbine bearing seat 42 stretches out defeated
Enter and connect with the end face seal of input 10 input terminal of casing after casing 10, be tightly connected increase power turbine bearing seat 42 with it is defeated
Enter the contact area and tightness between casing 10, further accelerates heat by power turbine bearing seat 42 and be transferred to input casing
On 10, improve the heat transfer of power turbine bearing seat 42, improves the service life of power turbine bearing, and then improve engine
Service life.
Further, as shown in Figure 1, inputting casing 10 close to the internal perisporium of 41 output end of power turbine shaft equipped with a plurality of
The groove 101 axially extended, groove 101 to lubricating oil for being oriented to and being increased power turbine bearing seat 42 and input casing
10 carry out the area of the heat exchange zone of heat exchange, and then reduce the temperature of power turbine bearing seat 42, improve the longevity of turbine bearing
Life.Further, input casing 10 and output casing 20 are all made of reflectal, and the interior appearance of numerical control processing whole
Face, it is most important for the antiseptic property and power to weight ratio that improve maritime version turbo oar engine.Turbo oar engine of the invention moves
Power turbine is to input the long cantilever support that casing 10 supports to connect structure, 10 conduct of input casing of reflectal using cold end casing
Power turbine bearing seat 42 it is heat sink, it is cooling using lubricating oil splash, reduce the temperature of power turbine bearing seat 42.
Optionally, as shown in Figure 1, being successively arranged power turbine runner outer ring 160 in the outer circle of input 10 input terminal of casing
With exhaust support case 170.The influent stream end welding for going out stream end and being vented support case 170 of power turbine runner outer ring 160 is solid
It is fixed.Exhaust support case 170 is fixedly connected with the input terminal for inputting casing 10.In existing reducer structure, power turbine runner
The straightener(stator) blade of outer ring and power turbine is made into monolithic construction, and is vented support case and inputs casing and be made into monoblock type knot
Structure, so be easy to appear power turbine runner outer ring and be vented the situation of support case decentraction.In structure of the invention, power whirlpool
Wheel runner outer ring 160 and exhaust support case 170 are assembled in the outer circle of input casing 10, and power turbine runner outer ring
160 go out stream end and the influent stream end of exhaust support case 170 is welded and fixed, so that power turbine runner outer ring be overcome to hold with exhaust
The assembly difficulty of power casing decentraction due to assembly.Preferably, exhaust support case 170 is fixedly connected with input casing 10, from
And the supporting plate that is vented in support case 170 that no setting is required, and then the pneumatic efficiency of retarder can be improved, and reduce oil consumption rate.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of starshaped reducing gear of turbo oar engine characterized by comprising
The input casing (10) for setting gradually and being connected along the axial direction of turbo oar engine and output casing (20), the input casing
(10) rotation is installed with the entering spindle (30) being axially arranged along it in, and the input terminal of the entering spindle (30), which is connected with, to be used for
The power turbine component (40) of input power is installed with drive bevel gear (50) on the output end of the entering spindle (30)；
It is also installed with center tooth wheel carrier (60) in the outer circle of entering spindle (30) output end, center tooth wheel carrier (60) position
It is connected in the input casing (10) and respectively with the input casing (10) and the output casing (20), the center tooth
Rotation is installed with multiple groups intermediate gear group (70) on wheel carrier (60), and intermediate gear group (70) described in multiple groups is oblique with the active respectively
Gear (50) external toothing, so that the power in the entering spindle (30) is transferred in described by the drive bevel gear (50)
Between on gear set (70)；
Rotation is installed with the paddle shaft (80) with the entering spindle (30) coaxial arrangement, the paddle shaft in output casing (20)
(80) connected interior helical teeth circle (90) and gear hub (110), intermediate gear group described in multiple groups are installed in the outer circle of input terminal
(70) also respectively with interior helical teeth circle (90) internal messing so that the power being transferred on the intermediate gear group (70) passes through institute
It states interior helical teeth circle (90) and the gear hub (110) is transferred on the paddle shaft (80).
2. the starshaped reducing gear of turbo oar engine according to claim 1, which is characterized in that
The starshaped reducing gear further include for make the center tooth wheel carrier (60) respectively with the input casing (10) and described
More connected connection slide bars (120) of casing (20) are exported, each connection slide bar (120) is along the center tooth wheel carrier (60)
Axial restraint is arranged on the center tooth wheel carrier (60)；
Opposite end face is equipped with the mounting hole of multiple indents, institute between input casing (10) and output casing (20)
The mounting hole stated in input casing (10) is arranged in a one-to-one correspondence with the mounting hole on output casing (20)；
The both ends of connection slide bar (120) are slided respectively to be inserted on the input casing (10) and the output casing (20)
In the mounting hole being correspondingly arranged.
3. the starshaped reducing gear of turbo oar engine according to claim 2, which is characterized in that
The mounting hole of input casing (10) is connected to the inner cavity of input casing (10), and the output casing
(20) the mounting hole is connected to the inner cavity of output casing (20)；
The quantity of connection slide bar (120) is three, and three connections slide bar (120) are along the center tooth wheel carrier (60)
Circumferential uniform intervals setting, each connection slide bar (120) are the hollow stem of both ends connection, three connection slide bars (120)
For making the lubricant passage way of input casing (10) and output casing (20) respectively, surveying and turn round oil circuit and compressed air circuit
It is respectively communicated with.
4. the starshaped reducing gear of turbo oar engine according to claim 1, which is characterized in that
Intermediate gear group (70) described in multiple groups is arranged along the circumferential uniform intervals of the center tooth wheel carrier (60), the intermediate gear
Group (70) includes rotating among first be installed on the center tooth wheel carrier (60) along the axial of the center tooth wheel carrier (60)
Gear (71), and the second intermediate gear (72) being fixedly connected with the end face of first intermediate gear (71)；
The external tooth of first intermediate gear (71) and the external tooth external toothing of the drive bevel gear (50)；
The internal tooth internal messing of the external tooth of second intermediate gear (72) and the interior helical teeth circle (90).
5. the starshaped reducing gear of turbo oar engine according to claim 4, which is characterized in that
The number of teeth of the drive bevel gear (50) and the interior helical teeth circle (90) is respectively intermediate gear group (70) the group number
Integral multiple；
The number of teeth of first intermediate gear (71) and second intermediate gear (72) is according to the reduction ratio of starshaped reducing gear
With setting；
Be made of the drive bevel gear (50) and first intermediate gear (71) the first order transmission center away from by institute
The center of the second level transmission of the second intermediate gear (72) and interior helical teeth circle (90) composition is stated away from equal.
6. the starshaped reducing gear of turbo oar engine according to claim 1, which is characterized in that
Bevel Gear Transmission room (201) are equipped in the output casing (20)；
The starshaped reducing gear further includes supporting the displacement of the paddle shaft (80) for displacement point oil and installing to divide oil bearing cover for seat
(130), and the accessory drive bevel gear set (140) for installing accessory drive gear, the displacement divide oil bearing cover for seat (130)
It is respectively positioned in the Bevel Gear Transmission room (201) with the accessory drive bevel gear set (140), the displacement divides oil bearing cover for seat
(130) it is installed in the outer circle of the paddle shaft (80) with the accessory drive bevel gear set (140), and the displacement divides oil bearing
Cover for seat (130) is between the gear hub (110) and the accessory drive bevel gear set (140)；
The displacement divides the stick roller bearing for being equipped with and being installed in the gear hub (110) outer circle in oil bearing cover for seat (130)
(150)。
7. the starshaped reducing gear of turbo oar engine according to claim 6, which is characterized in that
The displacement divides oil bearing cover for seat (130) to include successively being laid along axial direction for installing the bearing block of bearing paddle shaft (80)
(131), and for the oily bearing holder (housing, cover) (132) with lubrication of displacement point；
The bearing block (131) be in it is described output casing (20) shape it is similar horn-like, bearing block (131) are opened
Mouth end is towards the gear hub (110), and the periphery wall of the bearing block (131) open end holds out against the Bevel Gear Transmission room
(201) internal perisporium of open end is to seal the open end of the Bevel Gear Transmission room (201)；
The stick roller bearing (150) is located in the bearing block (131)；
The bearing holder (housing, cover) (132) is set in the outer circle of the paddle shaft (80).
8. the starshaped reducing gear of turbo oar engine according to claim 1, which is characterized in that
The power turbine component (40) includes the power turbine shaft (41) of rotation setting, and supports the power whirlpool for installing
The power turbine bearing seat (42) of wheel shaft (41)；
The power turbine bearing seat (42) is installed in the input casing (10) along the axial restraint of input casing (10)
In the axis hole of input terminal, and the overhanging end of the power turbine bearing seat (42) extend out to the input casing (10) outside and with institute
The end face seal connection for stating input casing (10) input terminal, to prevent lubricating oil by the input casing (10) and the power turbine shaft
Hold the gap leakage between seat (42)；
The power turbine shaft (41) is installed in the power turbine bearing seat (42), and the power turbine shaft (41) and institute
Entering spindle (30) are stated to be coaxially disposed and be fixedly connected with the input terminal of the entering spindle (30).
9. the starshaped reducing gear of turbo oar engine according to claim 8, which is characterized in that
Input casing (10) is equipped with a plurality of axially extend close to the internal perisporium of the power turbine shaft (41) output end
Groove (101), the groove (101) for lubricating oil is oriented to and increase the power turbine bearing seat (42) with it is described
Input the area that casing (10) carry out the heat exchange zone of heat exchange.
10. the starshaped reducing gear of turbo oar engine according to claim 1, which is characterized in that
Power turbine runner outer ring (160) and exhaust support case are successively arranged in the outer circle of described input casing (10) input terminal
(170)；
Go out stream end and the influent stream end of exhaust support case (170) of the power turbine runner outer ring (160) are welded and fixed；
Exhaust support case (170) is fixedly connected with the input terminal of input casing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358240.1A CN110185760B (en) | 2019-04-30 | 2019-04-30 | Star speed reducer of turboprop engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358240.1A CN110185760B (en) | 2019-04-30 | 2019-04-30 | Star speed reducer of turboprop engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185760A true CN110185760A (en) | 2019-08-30 |
| CN110185760B CN110185760B (en) | 2020-10-02 |
Family
ID=67715401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910358240.1A Active CN110185760B (en) | 2019-04-30 | 2019-04-30 | Star speed reducer of turboprop engine |
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| Country | Link |
|---|---|
| CN (1) | CN110185760B (en) |
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| CN113804448A (en) * | 2021-09-09 | 2021-12-17 | 中国航发南方工业有限公司 | Two-stage helical gear closed planetary gear reducer and turboprop engine thereof |
| FR3111381A1 (en) * | 2020-06-10 | 2021-12-17 | Aero Gearbox International | System for controlling the fluid in a relay box |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110185760B (en) | 2020-10-02 |
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