CN116857085A - Planetary gear reduction transmission shaft fan engine configuration based on shaft hole air intake - Google Patents
Planetary gear reduction transmission shaft fan engine configuration based on shaft hole air intake Download PDFInfo
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- CN116857085A CN116857085A CN202310796848.9A CN202310796848A CN116857085A CN 116857085 A CN116857085 A CN 116857085A CN 202310796848 A CN202310796848 A CN 202310796848A CN 116857085 A CN116857085 A CN 116857085A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 52
- 230000009467 reduction Effects 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 239000010687 lubricating oil Substances 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 15
- 230000008901 benefit Effects 0.000 claims description 14
- 238000005461 lubrication Methods 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002902 bimodal effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
- F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/70—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines
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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
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
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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
- F16H57/0476—Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof
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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
- F16H57/0479—Gears or bearings on planet carriers
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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
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
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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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/10—Braking arrangements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a planetary gear reduction transmission shaft fan engine configuration based on shaft hole air intake, and belongs to the field of aircraft power. The disclosed engine configuration includes: the power output shaft (3) comprises a shaft through hole cone tooth output shaft (31), the shaft hole air inlet of the shaft through hole cone tooth output shaft (31) continuously maintains the connotation pressurizing capacity of a vortex shaft and a vortex fan in two modes, the connotation pressurizing impeller disc (5) driven by the power turbine rotates with a sun wheel (21), the fan fixedly connected with an outer gear ring (23) is respectively and efficiently decelerated and driven, and the shaft through hole cone tooth output shaft fixedly connected with a planet carrier (24) performs active mode conversion. The utility model realizes the efficient speed reduction transmission of the maximum capacity of a single mode and the continuous and stable conversion of two modes based on the planetary gear transmission mechanism, the mode conversion mechanism and the shaft hole air inlet.
Description
Technical Field
The utility model relates to a planetary gear reduction transmission shaft fan engine configuration based on shaft hole air intake, and belongs to the field of aircraft power.
Background
The vertical take-off and landing high-speed aircraft with strong loading capacity can well meet future operational requirements.
In order to realize the vertical take-off and landing of large load capacity, a lift system with large force effect is required, the utility model provides a double-engine tandem vertical take-off and landing aircraft, one is positioned at the front part of a fighter and the other is positioned at the rear part of the fighter, so that the performance of an engine is more fully exerted and improved, the vertical take-off and landing and cruising are both operated together, but the fighter has the problems of low force effect (about 0.4 kg/kw) in vertical take-off and large heat loss generated by jet pipe jet, and the oil consumption rate is high.
The key to determine the success or failure of the development of the vertical take-off and landing high-speed aircraft is a power system of the aircraft. Neither the conventional turboshaft engine nor the turbofan engine can meet the power requirements of the vertical take-off and landing high speed aircraft for shaft power output and cruising thrust output at the same time. The development of a shaft fan engine becomes the main stream, the utility model patent publication number is CN106988926A, a turboshaft and turbofan combined cycle engine is provided, two fly fan rotors which rotate oppositely are provided, the switching between two modes of output shaft power and thrust generation can be realized through an adjustable guide vane and a clutch coupler, but the clutch coupler has the problems of abrupt torque load and friction heating during the mode switching, and the power load of an external culvert fan is reduced by closing an external culvert, namely, the operation of a turboshaft single mode can not be realized with the maximum capacity only by reducing 20% -60%. The patent publication No. CN113236441A discloses a turbine shaft fan bimodal engine and an adjusting method thereof, but the fan still rotates to consume energy in the turboshaft mode, so that the problem that the turboshaft mode is not realized by the maximum capacity exists.
The planetary transmission mechanism has the characteristic of double-path speed reduction transmission, but the planetary transmission mechanism has the problem that the power output process is difficult to consider the pressure increasing capability of an inclusion runner in a turboshaft/turbofan mode of the shaft fan engine, namely the inclusion air inlet is often blocked during the power output.
The corresponding turboshaft engine and planetary transmission mechanism are required to be developed, so that shaft power output or fan propulsion can be realized at maximum capacity, and the connotation pressurizing capacity in a turboshaft/turbofan mode can be considered under the condition of high-efficiency speed reduction transmission, so that the rotor wing is driven to generate lift force with high force effect.
Disclosure of Invention
The utility model aims to provide a planetary gear reduction transmission shaft fan engine structure based on shaft hole air intake, and aims to develop a planetary gear reduction transmission shaft fan engine based on shaft hole air intake, and on the basis of a mode conversion mechanism and a planetary gear transmission mechanism formed by an auxiliary motor and an electromagnetic clutch, the shaft hole air intake of a shaft hole bevel gear output shaft continuously maintains the supercharging capacity of an inclusion runner in two modes of a vortex shaft and a vortex fan, so that the problem that the power output of the planetary gear transmission mechanism hinders the inclusion air intake is solved, the efficient shaft power reduction output or fan reduction propulsion is realized by the maximum capacity, and continuous and stable transition between the two modes is facilitated, and a rotor with high power efficiency and a fan with high bypass ratio are driven efficiently.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a planetary gear reduction drive shaft fan engine configuration based on shaft bore air intake comprising: the power output shaft comprises a shaft through hole bevel gear output shaft, a first output shaft and a second output shaft, the front end of the shaft through hole bevel gear output shaft is a bevel gear, the middle shaft hole is connected to a planet carrier of the planetary gear transmission mechanism, the rear end of the shaft through hole bevel gear output shaft is connected to a planet carrier of the planetary gear transmission mechanism, the shaft through hole bevel gear output shaft continuously maintains the pressurizing capacity of an inner culvert runner of a vortex shaft and a vortex fan in two modes, the shaft through hole bevel gear output shaft drives counter-rotating bevel gears formed by the first output shaft and the second output shaft so as to enable the two shafts to rotate in opposite directions, the first output shaft and the second output shaft respectively penetrate through the inner shaft holes of the two support ribs, so that air resistance is reduced, the power output shaft is transmitted to the inner rotor through the two support bevel gears, the electromagnetic clutch is fixedly connected with the outer gear of the planetary gear transmission mechanism, and the electromagnetic clutch is fixedly connected with the outer gear transmission mechanism in a high-speed reduction mode, and the electromagnetic clutch is fixedly connected with the outer gear carrier of the planetary gear transmission mechanism;
the front end of the shaft through hole bevel gear output shaft is provided with a bevel gear, the middle part of the shaft through hole bevel gear output shaft is provided with an air inlet shaft hole, the rear end of the shaft through hole bevel gear output shaft is connected to a planet carrier of a planetary gear transmission mechanism, no matter whether the shaft fan engine is in a vortex shaft mode or a vortex fan mode, and in the mode conversion process, air flow flows into a shaft hole of the shaft through hole bevel gear output shaft through a split air inlet channel to enter an connotation supercharging stage, so that supercharging capacity of connotation flow channels in the vortex shaft mode and the vortex fan mode is continuously maintained, and the blocking effect on the connotation flow channels during high-efficiency speed reduction transmission output of shaft power is avoided;
the planetary gear transmission mechanism comprises a sun gear, a planetary gear, an outer gear ring and a planetary carrier, wherein the sun gear is sleeved on the rotating ring, a plurality of gear ring lock holes are formed on the ring wall surface of the outer gear ring, which is close to the rear runner side, a plurality of planet carrier lock holes are formed on the ring inner wall surface of the planetary carrier, an electromagnetic clutch is installed between ring gaps formed by the plurality of gear ring lock holes and the plurality of planet carrier lock holes in a contactless manner, the fan and the outer gear ring are connected through a U-shaped double-ring member, the fan transmission mechanism and the fan are constructed to be compactly positioned on the same rotating plane, the fan rear runner is provided with a fan guide blade fixed on the inner wall surface of an outer gear box, the outer gear ring is connected with a plurality of planetary gears in a transmission manner, the outer gear ring is also connected with an auxiliary motor through an additional parallel motor driving tooth, different power signals are given to assist the outer gear ring, a plurality of auxiliary motors are arranged on the ring tooth surfaces of the outer gear ring, and are installed in a motor sleeve protruding from the left end of the lubricating oil tank, when the shaft engine rotates from the shaft motor to the vortex motor, the external gear ring rotates from the positive motor to the positive motor, the positive turbine mode is accelerated, and the positive turbine mode is accelerated when the shaft of the shaft engine rotates from the positive turbine mode to the positive turbine mode;
the electromagnetic clutch consists of an armature, a coil, an iron core and a spring, is connected to the inner wall surface of the left end ring of the lubricating oil tank, is clamped between annular gaps formed by a plurality of gear ring lock holes and a plurality of planet carrier lock holes, comprises a state of a non-current locking outer gear ring of a turbofan mode, an intermediate current unlocking state of a transitional state, a state of a planet carrier locked by maximum current of a turboshaft mode, and is favorable for high-speed economic cruising in the turbofan mode of the non-current state;
the lubricating oil lubrication box is of a cylindrical structure with a single-side end ring, the planetary gear transmission mechanism and the mode conversion mechanism are surrounded by the lubricating oil lubrication box and the rotating ring, sealing comb teeth are arranged at the joints of the shaft through hole bevel gear output shaft, the split air inlet channel, the U-shaped double-circular ring component and the rotating ring to form a bearing-gear-auxiliary motor-electromagnetic clutch common-cavity structure, the lubricating oil lubrication cooling bearing, the gear, the auxiliary motor and the electromagnetic clutch are respectively lubricated by adopting a multi-path oil supply technology by adopting an oil supply technology under the ring which is evenly thrown from the bearing inner ring to the outer ring and evenly thrown from the sun gear to the outer ring, and finally return to the bottom of the oil tank under the action of gravity, so that the lubricating oil lubrication cooling planetary gear transmission mechanism and the mode conversion mechanism are realized.
The planetary gear reduction transmission shaft fan engine structure based on shaft hole air intake is characterized in that the shaft fan engine is arranged at the top of a vertical take-off and landing high-speed conveyor, the rise and drag reduction are realized by using the coanda effect, and the structure has the advantage of large cabin space, a bevel gear at the end part of a shaft through hole bevel gear output shaft drives a counter-rotating bevel gear formed by a first output shaft and a second output shaft, so that rotors at two sides are horizontally driven to rotate at 180 degrees, the first output shaft drives a left rotor to rotate positively, and the second output shaft drives a right rotor to rotate reversely so as to offset the moment of a gyro;
the vertical take-off and landing high-speed conveyor adopts a tilting, foldable and variable-pitch counter rotor wing and an axial fan engine as a power system of the vertical take-off and landing high-speed conveyor, fully exerts the advantages of high force effect and take-off load capacity of the vortex shaft rotor wing and high economic cruising lift force of the vortex fan, skips the take-off stage of the fixed wing with high thrust requirement, realizes the maximum capacity carrying of the vertical take-off and landing high-speed conveyor, and has the following working modes:
(1) the shaft fan engine works in a vortex shaft mode, a rotor wing of the vertical take-off and landing high-speed conveyor tilts to a vertical position, and the vertical take-off and landing high-speed conveyor is carried out by utilizing the advantages of large force effect and strong take-off and loading capacity of the rotor wing provided by the rotor wing;
(2) the axial fan engine works in a vortex shaft mode, a rotor wing of the vertical take-off and landing high-speed conveyor tilts forward, and the vertical take-off and landing high-speed conveyor flies at a low speed of about 200-300 km/h;
(3) the shaft fan engine works in a vortex shaft mode, a rotor wing of the vertical take-off and landing high-speed conveyor tilts to a horizontal position, and when the vertical take-off and landing high-speed conveyor flies at a medium speed of about 400-500 km/h, a propeller mode is used for realizing medium-speed economic flight;
(4) the axial fan engine is converted into a turbofan mode from a turboshaft, the fan is utilized for propulsion, a rotor wing of the vertical take-off and landing high-speed conveyor is folded, the vertical take-off and landing high-speed conveyor flies at a high speed and high efficiency of about 700-1000 km/h, and the coanda effect can be utilized for increasing the lift and reducing the drag due to the overhead of the axial fan engine, and the vertical take-off and landing high-speed conveyor has the advantage of large cabin space.
Compared with the prior art, the utility model has the advantages that: the planetary gear speed reduction transmission shaft fan engine structure based on shaft hole air intake is provided, the shaft hole air intake of the shaft hole bevel gear output shaft is used for continuously maintaining the supercharging capacity of an inclusion runner in two modes of a vortex shaft and a vortex fan under the efficient speed reduction transmission of the fan and a power output shaft, the maximum capacity driving of the two modes of the propulsion of the fan with a large bypass ratio and the efficient speed reduction output of the shaft power can be realized, and the continuous and stable conversion of the vortex shaft/vortex fan modes can be realized; the tilting, folding and variable-pitch high-force-efficiency counter-rotating rotor wing and the integrated axial fan variable-cycle engine are adopted as a power system, so that the economic cruising of three speed gears, namely, vertical takeoff, low, medium and high with strong loading capacity is realized; the advantages of large force effect, large take-off load capacity and large economic cruising lift force of the turbofan of the turboshaft rotor are fully exerted, the take-off and climbing stage of seeking large fixed wing of the turbofan for propulsion is directly skipped, and the maximum capacity carrying of the aircraft is realized.
Drawings
Fig. 1 shows a configuration of a planetary gear reduction transmission shaft fan engine based on shaft hole air intake.
Fig. 2 is a schematic diagram of a connection structure between a shaft through hole bevel gear output shaft and a plurality of planetary gears.
FIG. 3 is a schematic diagram of the turboshaft engine of the present utility model driving a counter-rotating bevel gear to effect counter-rotation.
Fig. 4 is a schematic view of the shaft fan engine of the present utility model mounted on a vertical lift high speed conveyor.
In the figure: 1-fan, 2-planetary gear drive, 21-sun gear, 22-planetary gear, 23-external gear, 231-gear lock, 24-planet carrier, 241-planet carrier lock, 3-power output shaft, 31-shaft through hole bevel gear output shaft, 32-first output shaft, 33-second output shaft, 4-support device, 41-support rib, 42-split cover, 5-inclusion booster impeller disk, 51-intake cone, 52-inclusion fan, 53-rotating ring, 6-auxiliary motor, 61-oil shield, 62-coil, 63-permanent magnet, 64-motor drive tooth, 65-motor sleeve, 7-electromagnetic clutch, 71-armature, 72-coil, 73-core, 74-spring, 8-lubricating oil lubrication box, 9-external duct, 91-casing, 92-guide vane, 10-rotor, 11-tilting mechanism, 12-vertical take-off and landing high speed conveyor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, in an embodiment of the present utility model, a planetary gear reduction transmission shaft fan engine configuration based on shaft hole air intake includes: the split air inlet 4 comprises a plurality of support ribs 41 with shaft holes and a split cover 42, the support ribs 41 support the whole split cover 42 and transmit force to the outer culvert casing 91 through the support ribs 41, the split cover 42 splits the flow to an inner culvert and an outer culvert respectively, the wall surface is a hyperbolic circular ring surface so as to reduce air resistance, the power output shaft 3 comprises a shaft through hole bevel output shaft 31, a first output shaft 32 and a second output shaft 33, the front end of the shaft through hole bevel output shaft 31 is a bevel, the middle belt shaft hole is connected with the planet carrier 24 of the planetary gear transmission mechanism 2, the supercharging capacity of an inner inclusion runner in two modes of a vortex shaft and a vortex fan is continuously maintained through the shaft hole of a shaft through hole bevel gear output shaft 31, the shaft through hole bevel gear output shaft 31 drives counter-rotating bevel gears formed by a first output shaft 32 and a second output shaft 33 so as to enable the two shafts to rotate in opposite directions, the first output shaft 32 and the second output shaft 33 respectively penetrate through inner shaft holes of two supporting ribs 41 to transmit power to counter-rotating rotors 10 on two sides of a vertical lifting high-speed conveyor 12, an inner inclusion supercharging impeller disc 5 driven by a power turbine rotates with a rotating sun gear 21, a fan 1 fixedly connected with an outer gear ring 23 is respectively and efficiently decelerated and driven, and the shaft through hole bevel gear output shaft 31 fixedly connected with a planet carrier 24 is provided, and the mode conversion mechanism comprises an auxiliary motor 6 and an electromagnetic clutch 7;
referring to fig. 2, in the embodiment of the present utility model, the front end of the shaft hole cone tooth output shaft 31 is a cone tooth, the middle is provided with an air inlet shaft hole, and the rear end is connected to the planet carrier 24 of the planetary gear transmission mechanism 2, no matter whether the shaft fan engine is in a vortex shaft mode or a turbofan mode, and in the mode conversion process, air flows into the shaft hole of the shaft hole cone tooth output shaft 31 through the split air inlet channel 4 to enter the inclusion supercharging stage, so that the supercharging capability of the inclusion runners in the vortex shaft mode and the turbofan mode is continuously maintained, and the blocking effect on the inclusion runners in the high-efficiency speed reduction transmission output of shaft power is avoided;
referring to fig. 2, in the embodiment of the present utility model, the electromagnetic clutch 3 is composed of an armature 31, a coil 32, an iron core 33 and a spring 34, and is connected to an inner wall surface of a left end ring of the lubricating oil tank 21 through a mounting head 31, and electromagnetic clutch locking holes are formed on the power output shaft 1 and the outer gear ring 22, wherein the electromagnetic clutch 3 includes a state of a non-current locking planet carrier in a turbofan mode, an intermediate current unlocking state in a transitional state, a state of a maximum current locking outer gear ring in a turboshaft mode, and the turbofan mode in the non-current state is beneficial to high-speed economic cruising;
referring to fig. 1, in the embodiment of the present utility model, the planetary gear transmission mechanism 2 includes a sun gear 21, a planetary gear 22, an outer gear 23 and a planet carrier 24, the sun gear 21 is sleeved on the rotating ring 53, a plurality of gear ring lock holes 231 are provided on the ring wall surface of the outer gear 23 near the back flow channel side, a plurality of planet carrier lock holes 241 are provided on the ring inner wall surface of the planet carrier 24, an electromagnetic clutch 7 is installed between the ring gaps formed by the plurality of gear ring lock holes 231 and the plurality of planet carrier lock holes 241 in a contactless manner, the fan 1 and the outer gear 23 are connected by a U-shaped double ring member, and are configured to achieve that the content booster impeller 5, the planetary gear transmission mechanism 2 and the fan 1 are compactly located on the same rotating plane, the rear runner of the fan 1 is provided with a fan guide vane 92 fixed on the inner wall surface of the outer culvert casing 91, the outer gear ring 23 is connected with a plurality of planetary gears 22 in a transmission way and is also connected with an auxiliary motor 6 through an additional parallel motor driving gear 64, the auxiliary motor 6 can drive and brake the outer gear ring 23 given different power signals, a plurality of auxiliary motors 5 are annularly arranged on the inner ring tooth surface of the outer gear ring 23 and are arranged in a motor sleeve 65 protruding from the left end of the lubricating oil tank 21, when the shaft fan engine rotates from a turbofan mode, the auxiliary motor 6 actively drives the outer gear ring 23 to accelerate, and when the shaft fan engine rotates from the turbofan mode, the auxiliary motor 6 actively brakes the outer gear ring 23 to decelerate, so that the mode conversion process is accelerated;
the electromagnetic clutch 7 is composed of an armature 71, a coil 72, an iron core 73 and a spring 74, is connected to the inner wall surface of the left end ring of the lubricating oil tank 8 and is clamped between annular gaps formed by a plurality of gear ring lock holes 231 and a plurality of planet carrier lock holes 241, the electromagnetic clutch 3 comprises a state of a non-current locking outer gear ring 23 of a turbofan mode, an intermediate current unlocking state of a transitional state, a state of a maximum current locking planet carrier 24 of a turboshaft mode, and the turbofan mode of the non-current state is beneficial to high-speed economic cruising;
the lubricating oil lubrication box 8 is of a cylindrical structure with a single-side end ring, the lubricating oil lubrication box 8 and the rotating ring 53 surround the planetary gear transmission mechanism 2 and the mode conversion mechanism, sealing comb teeth are arranged at the joints of the shaft through hole bevel gear output shaft 31, the split air inlet channel 4, the U-shaped double-ring component and the rotating ring 53 to form a bearing-gear-auxiliary motor-electromagnetic clutch common cavity structure, the lubricating oil lubrication cooling bearing, the gear, the auxiliary motor 6 and the electromagnetic clutch 7 are respectively lubricated by adopting a multi-path oil supply technology by adopting an oil supply technology under the ring which is evenly thrown from the inner ring of the bearing to the outer ring and evenly thrown from the sun gear 21 to the outer ring gear 23, and finally return to the bottom of the oil tank under the action of gravity, so that the lubricating oil lubrication cooling planetary gear transmission mechanism and the mode conversion mechanism are realized.
Referring to fig. 4, in the embodiment of the utility model, the configuration of the planetary gear reduction transmission shaft fan engine based on shaft hole air intake is characterized in that the shaft fan engine is arranged at the top of the vertical lifting high-speed conveyor 12, lift is increased and drag is reduced by using the coanda effect, and the advantage of large cabin space is provided, and a bevel gear at the end of a shaft through hole bevel gear output shaft 31 drives a counter-rotating bevel gear formed by a first output shaft 32 and a second output shaft 33, so that rotors at two sides are horizontally driven to rotate at 180 degrees, the first output shaft 32 drives a left rotor to rotate positively, and the second output shaft 33 drives a right rotor to rotate reversely so as to offset gyroscopic moment;
the vertical take-off and landing high-speed conveyor 12 adopts a tilting, foldable and variable-pitch counter rotor 10 and an axial fan engine as a power system of the vertical take-off and landing high-speed conveyor 12, fully exerts the advantages of high turbofan economic cruising lift and high capacity of the turboshaft rotor, skips the take-off stage of a fixed wing with high thrust requirement, realizes the maximum capacity carrying of the vertical take-off and landing high-speed conveyor 12, takes the fixed wing conveyor as an example, has the thrust ratio of about 0.3 during take-off, only needs about 0.1 to overcome resistance during cruising, namely the original 1000kgf propulsion 1500kW power system can only bring up the fixed wing conveyor 12 with 3.33 tons, and converts the high-speed turbofan fixed wing economic cruising into the turbofan fixed wing after the rotor is horizontally propelled to the upper speed limit of more than 400-500 km/h by adopting the vertical take-off high-speed conveyor 12 with the power efficiency of up to directly skip the fixed turbofan take-off stage with 3.33 tons, thereby the vertical take-off and landing high-speed conveyor 12 is designed to be from 3.33 tons;
the vertical take-off and landing high speed conveyor 12 has the following modes of operation:
(1) the axial fan engine works in a vortex shaft mode, the rotor wing 10 of the vertical take-off and landing high-speed conveyor 12 tilts to a vertical position, and the vertical take-off and landing of the vertical take-off and landing high-speed conveyor 12 is carried out by utilizing the advantages of high-force lift and high take-off and loading capacity of the rotor wing;
(2) the axial fan engine works in a vortex shaft mode, the rotor wing 10 of the vertical take-off and landing high-speed conveyor 12 tilts forward, and the vertical take-off and landing high-speed conveyor 12 flies at a low speed of about 200-300 km/h;
(3) the axial fan engine works in a vortex shaft mode, the rotor wing 10 of the vertical take-off and landing high-speed conveyor 12 tilts to a horizontal position, and when the vertical take-off and landing high-speed conveyor 12 flies at a medium speed of 400-500 km/h, medium-speed economic flight is realized in a propeller mode;
(4) the axial fan engine is converted into a turbofan mode from a turboshaft, the fan is used for propulsion, the rotor wing 10 of the vertical take-off and landing high-speed conveyor 12 is folded, the vertical take-off and landing high-speed conveyor 12 flies at a high speed and high efficiency of about 700-1000 km/h, and the coanda effect can be used for increasing lift and reducing drag due to the overhead of the axial fan engine, and the vertical take-off and landing high-speed conveyor has the advantage of large cabin space.
The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, those skilled in the art can make some simple modifications, equivalent changes and modifications to some technical features without creative efforts according to the disclosed technical content, which all fall within the scope of the technical solution of the utility model.
Claims (2)
1. A planetary gear reduction drive shaft fan engine configuration based on shaft bore air intake comprising: the power output shaft (3) comprises a shaft through-hole bevel gear output shaft (31), a first output shaft (32) and a second output shaft (33), the front end of the shaft through-hole bevel gear output shaft (31) is a bevel gear, the middle shaft through-hole is connected to a planet carrier (24) of the planetary gear transmission mechanism (2), the rear end of the planet carrier is connected to the planet carrier (24) of the planetary gear transmission mechanism (2), the whole split-flow cover (42) transfers force to an outer culvert casing (91) through the support ribs (41), the split-flow cover (42) respectively splits the flow to the inner culvert and the outer culvert, the wall surface is a hyperbolic circular ring surface so as to reduce air resistance, the power output shaft (3) comprises a shaft through-hole bevel gear output shaft (31), a first output shaft (32) and a second output shaft (33), the front end of the shaft through-hole bevel gear output shaft (31) is a bevel gear, the rear end of the middle shaft through-hole is connected to the planet carrier (24) of the planetary gear transmission mechanism (2), the two-mode inner vortex shafts and the two-turbine output shafts (31) continuously maintain the capacity of the two-mode inner bevel shafts through the shaft through the bevel gear output shaft (31) and the two bevel gear output shafts (32) respectively pass through the first output shaft (32) and the second output shaft (33), the power is transmitted to counter-rotating rotors (10) at two sides of a vertical take-off and landing high-speed conveyor (12), an internal supercharging impeller disc (5) driven by a power turbine rotates with a rotating sun wheel (21), a fan (1) fixedly connected with an outer gear ring (23) is respectively and efficiently driven in a decelerating manner, and a shaft through hole bevel gear output shaft (31) fixedly connected with a planet carrier (24) is arranged, and the mode conversion mechanism comprises an auxiliary motor (6) and an electromagnetic clutch (7);
the front end of the shaft through hole bevel gear output shaft (31) is provided with a bevel gear, the middle part of the shaft through hole bevel gear output shaft is provided with an air inlet shaft hole, the rear end of the shaft through hole bevel gear output shaft is connected to a planet carrier (24) of a planetary gear transmission mechanism (2), no matter whether the shaft fan engine is in a vortex shaft mode or a vortex fan mode, and in the mode conversion process, air flows into the shaft hole of the shaft through hole bevel gear output shaft (31) through a split air inlet channel (4) to enter an inclusion supercharging stage, the supercharging capacity of inclusion runners in the vortex shaft mode and the vortex fan mode is continuously maintained, and the blocking effect on the inclusion runners in the process of high-efficiency speed reduction transmission output of shaft power is avoided;
the planetary gear transmission mechanism (2) comprises a sun gear (21), a planetary gear (22), an outer gear ring (23) and a planet carrier (24), the sun gear (21) is sleeved on the rotating ring (53), a plurality of gear ring lock holes (231) are formed on the ring wall surface of the outer gear ring (23) close to the rear runner side, a plurality of planet carrier lock holes (241) are formed on the ring inner wall surface of the planet carrier (24), an electromagnetic clutch (7) is installed between ring gaps formed by the plurality of gear ring lock holes (231) and the plurality of planet carrier lock holes (241) in a contactless manner, the fan (1) and the outer gear ring (23) are connected through a U-shaped double-ring member, the structure is used for realizing that an internal supercharging impeller disc (5), the planetary gear transmission mechanism (2) and the fan (1) are compactly arranged on the same rotating plane, a fan guide vane (92) fixed on the inner wall surface of an external rotor (91) is installed on the rear runner of the fan (1), the outer gear ring (23) is in transmission connection with the plurality of planet gears (22), an electromagnetic clutch (1) is also installed between an additional motor and an auxiliary motor (6) through an auxiliary motor, the auxiliary motor (6) can be connected with the auxiliary gear ring (23) through the auxiliary motor (6), and the auxiliary gear ring (23) can be driven by the auxiliary motor (23), the auxiliary motor (6) is arranged in a motor sleeve (65) protruding from the left end of the lubricating oil tank (21), and is used for actively driving the outer gear ring (23) to accelerate when the axial fan engine rotates in a turbofan mode from a turboshaft, and is used for actively braking the outer gear ring (23) to decelerate when the axial fan engine rotates in the turbofan mode from the turboshaft, so that the mode conversion process is accelerated;
the electromagnetic clutch (7) is composed of an armature (71), a coil (72), an iron core (73) and a spring (74), is connected to the inner wall surface of the left end ring of the lubricating oil tank (8) and is clamped between annular gaps formed by a plurality of gear ring lock holes (231) and a plurality of planet carrier lock holes (241), the electromagnetic clutch (3) comprises a state of a non-current locking outer gear ring (23) in a turbofan mode, an intermediate current non-locking state in a transitional state, a state of a maximum current locking planet carrier (24) in a turboshaft mode, and the turbofan mode in the non-current state is beneficial to high-speed economic cruising;
the lubricating oil lubrication box (8) is of a cylindrical structure with a single-side end ring, the lubricating oil lubrication box (8) and the rotating ring (53) surround the planetary gear transmission mechanism (2) and the mode conversion mechanism, sealing comb teeth are arranged at the joints of the shaft through hole bevel gear output shaft (31), the split air inlet channel (4), the U-shaped double-ring component and the rotating ring (53) to form a bearing-gear-auxiliary motor-electromagnetic clutch common cavity structure, oil supply technology under the ring is adopted from the bearing inner ring to the outer ring and from the sun gear (21) to the outer ring (23), lubricating oil is respectively used for lubricating and cooling the bearing, the gear, the auxiliary motor (6) and the electromagnetic clutch (7) by adopting a multi-path oil supply technology, and finally oil returns to the bottom of the oil tank under the action of gravity, so that the lubricating oil lubrication and cooling of the planetary gear transmission mechanism and the mode conversion mechanism are realized.
2. The configuration of a planetary gear reduction transmission shaft fan engine based on shaft hole air intake as claimed in claim 1, wherein the shaft fan engine is arranged at the top of a vertical take-off and landing high-speed conveyor (12), the rising and drag reduction are realized by using the coanda effect, and the advantage of large cabin space is provided, a bevel gear at the end part of a shaft through hole bevel gear output shaft (31) drives a counter-rotating bevel gear formed by a first output shaft (32) and a second output shaft (33), so that rotors at two sides are horizontally driven to rotate at 180 degrees, the first output shaft (32) drives a left rotor to rotate positively, and the second output shaft (33) drives a right rotor to rotate reversely to offset gyroscopic moment;
the vertical take-off and landing high-speed conveyor (12) adopts a tilting, folding and variable-pitch counter-rotating rotor (10) and an axial fan engine as a power system of the vertical take-off and landing high-speed conveyor (12), so that the advantages of strong turboshaft rotor force effect, large take-off and loading capacity and large turbofan economic cruising lift are fully exerted, a fixed wing take-off stage with large thrust requirement is skipped, the maximum capacity carrying of the vertical take-off and landing high-speed conveyor (12) is realized, and the vertical take-off and landing high-speed conveyor (12) has the following working modes:
(1) the axial fan engine works in a vortex shaft mode, a rotor (10) of the vertical take-off and landing high-speed conveyor (12) tilts to a vertical position, and the vertical take-off and landing of the vertical take-off and landing high-speed conveyor (12) is carried out by utilizing the advantages of large force effect and strong take-off and loading capacity of the rotor provided by the rotor;
(2) the axial fan engine works in a vortex shaft mode, a rotor (10) of the vertical take-off and landing high-speed conveyor (12) tilts forward, and the vertical take-off and landing high-speed conveyor (12) flies at a low speed of 200-300 km/h;
(3) the shaft fan engine works in a vortex shaft mode, a rotor (10) of the vertical take-off and landing high-speed conveyor (12) tilts to a horizontal position, and when the vertical take-off and landing high-speed conveyor (12) flies at a medium speed of 400-500 km/h, medium-speed economic flight is realized in a propeller mode;
(4) the axial fan engine is converted into a turbofan mode from a turboshaft, a rotor (10) of the vertical take-off and landing high-speed conveyor (12) is folded by utilizing fan propulsion, the vertical take-off and landing high-speed conveyor (12) flies at high speed and high efficiency about 700-1000 km/h, and the coanda effect can be utilized to increase the lift and reduce the drag due to the overhead of the axial fan engine, and the axial fan engine has the advantage of large cabin space.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310796848.9A CN116857085A (en) | 2023-06-30 | 2023-06-30 | Planetary gear reduction transmission shaft fan engine configuration based on shaft hole air intake |
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| CN202310796848.9A CN116857085A (en) | 2023-06-30 | 2023-06-30 | Planetary gear reduction transmission shaft fan engine configuration based on shaft hole air intake |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685098A (en) * | 2024-02-01 | 2024-03-12 | 西安航空学院 | Stepless adjusting device for outer duct of variable-cycle engine |
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- 2023-06-30 CN CN202310796848.9A patent/CN116857085A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685098A (en) * | 2024-02-01 | 2024-03-12 | 西安航空学院 | Stepless adjusting device for outer duct of variable-cycle engine |
| CN117685098B (en) * | 2024-02-01 | 2024-04-05 | 西安航空学院 | Stepless adjusting device for outer duct of variable-cycle engine |
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