CN106864756A - The double remaining turbine wheel shaft dynamical systems of depopulated helicopter - Google Patents
The double remaining turbine wheel shaft dynamical systems of depopulated helicopter Download PDFInfo
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- CN106864756A CN106864756A CN201710187684.4A CN201710187684A CN106864756A CN 106864756 A CN106864756 A CN 106864756A CN 201710187684 A CN201710187684 A CN 201710187684A CN 106864756 A CN106864756 A CN 106864756A
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- 238000005183 dynamical system Methods 0.000 title claims abstract description 31
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000008450 motivation Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/16—Aircraft characterised by the type or position of power plants of jet type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/12—Propulsion using turbine engines, e.g. turbojets or turbofans
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The present invention relates to a kind of double remaining turbine wheel shaft dynamical systems of depopulated helicopter, including two turboaxle motors and freewheel clutch corresponding with turboaxle motor quantity, the freewheel clutch includes outer ring and inner ring, the power output shaft of the turboaxle motor is detachably connected with the outer ring of the freewheel clutch, the exhaust outlet of the turboaxle motor is vertical with the power output shaft of the turboaxle motor, two turboaxle motors are arranged side by side, and the exhaust outlet of two turboaxle motors is respectively facing both sides.Small volume of the present invention, lightweight, power output is high, and simple structure is stable, and vibration and noise are both less than using piston-engined dynamical system.The present invention can also be after single-shot trouble or failure, there is provided enough power outputs, it is ensured that depopulated helicopter safe falling, improves the reliability of depopulated helicopter dynamical system.
Description
Technical field
The present invention relates to depopulated helicopter field, more particularly to a kind of double remaining turbine wheel shaft dynamical systems of depopulated helicopter.
Background technology
Existing big-and-middle-sized depopulated helicopter generally uses separate unit fuel piston formula engine driving.Piston-mode motor volume
Weight is big, and running noises are big, also needs outfit cooling system just to can guarantee that long-time steady operation inside depopulated helicopter, takes
A large amount of valuable cabin spaces and payload weight.Such engine structure is complicated, and amount of parts is numerous, piston-cylinder
Not only weight is big for the basic motive structure of driving crank rotation, and part high-frequency reciprocating motion, vibration is violent, and daily maintenance is numerous
Trivial complexity, it is high to fuel oil quality requirement, and easily there are the failures such as carbon distribution gas leakage armful cylinder, reliability is not high.And existing nothing
People's helicopter is based on separate unit engine.If airborne engine awing breaks down, depopulated helicopter is easily caused to lose
Control, or even depopulated helicopter can be caused to crash, jeopardize ground staff and property safety.
The content of the invention
For technical problem present in above-mentioned prior art, the invention provides a kind of double remaining turbines of depopulated helicopter
Axle dynamical system, its small volume, lightweight, power output is high, and simple structure is stable, and vibration and noise are both less than use
Piston-engined dynamical system.The present invention can also be after single-shot trouble or failure, there is provided enough power outputs, it is ensured that nobody
Helicopter Safety lands, and improves the reliability of depopulated helicopter dynamical system.
The technical scheme is that：A kind of double remaining turbine wheel shaft dynamical systems of depopulated helicopter, including two turbine wheel shafts
Engine and freewheel clutch corresponding with turboaxle motor quantity, the freewheel clutch include outer ring and inner ring, institute
The power output shaft and the outer ring of the freewheel clutch for stating turboaxle motor are detachably connected, the turboaxle motor
Exhaust outlet is vertical with the power output shaft of the turboaxle motor, and two turboaxle motors are arranged side by side, and two turbines
The exhaust outlet of shaft generator is respectively facing both sides.
As preferred：Pass through flexible coupling between the power output shaft of the turboaxle motor and the freewheel clutch
Device is connected, the flexible clutch have the input that is connected with the power output shaft of the turboaxle motor and with it is described
The output end of the outer ring connection of freewheel clutch.
As preferred：The output end of the power output shaft of the turboaxle motor has flange terminal pad, the method
Offered in blue terminal pad along its circumferentially distributed multiple through hole, the input of the flexible clutch is provided with and the flange
The corresponding screwed hole of number of openings and position in terminal pad, the flange terminal pad screws in the spiral shell by through the through hole
Screw in pit is connected with the input of the flexible clutch.
As preferred：The flexible clutch is by the coaxial assembling of output connector, flexible connecting member and input pad
Into；
One end of the input pad is input, and the other end of the input pad is for connecting the output
First abutting end of connector, one end of the output connector is the second abutting end for connecting the input pad,
The other end of the output connector is output end；
The flexible connecting member is by torus and is arranged in the outer circumferential walls of the torus and along the torus
Circumference it is uniform rounded or oval four flexibility fastener composition；
Two the first connection projections of radial symmetric are provided with the end face of first abutting end, first connection is convex
Block has the arc-shaped concave that two curved walls of flexible fastener adjacent with two on the torus respectively coordinate, and described
First connects two arc-shaped concaves of projection along the radial symmetric of the input pad；
Two the second connection projections of radial symmetric are provided with the end face of second abutting end, second connection is convex
The shape size of block and the first connection projection is identical；
The input pad, flexible connecting member and output connector cooperate when fitting together, two described the
One connection projection described with two second be connected that projection is interlaced, four draw-in grooves that formation is matched with four flexibility fasteners, institute
Flexible connecting member is stated to be located between the output connector and the input pad, and four flexible fasteners cooperations are embedded at institute
State in four draw-in grooves between the first connection projection and the second connection projection.
As preferred：The input pad, flexible connecting member and output connector cooperate when fitting together, institute
There is the first gap, second connection between the end face of the second abutting end for stating the first connection projection and the output connector
There is the second gap between the end face of the first abutting end of projection and the input pad.
As preferred：The curved wall of the flexible fastener does with the joint of its both ends of the surface and fallen at chamfered, and two
Angle processing distance in the axial direction is all higher than first gap and the second gap.
As preferred：It is wholely set on the end face of the input of the input pad logical with the flange terminal pad
The corresponding lug boss of hole number and position, the screwed hole is arranged on the lug boss, the input of the input pad
Integral middle be provided with circular bulge loop, between the outer wall of the circular bulge loop and the end face of the input of the input pad
Reinforcement is also machined with, and the reinforcement is connected with all lug bosses.
As preferred：It is to be bonded to connect between the outer ring of the output end of the flexible clutch and the freewheel clutch.
As preferred：For flange is connected between the outer ring of the output end of the flexible clutch and the freewheel clutch.
As preferred：For bearing pin is connected between the outer ring of the output end of the flexible clutch and the freewheel clutch.
The beneficial effects of the invention are as follows：The present invention uses turboaxle motor as output power, with small volume, weight
Gently, power output is high, simple structure, operates steadily, and vibration and noise are both less than piston-engined advantage, and the present invention is without volume
Outer outfit cooling system, further mitigates the weight of whole dynamical system, improves the operating efficiency of dynamical system.The present invention
Dynamical system use two turboaxle motors, improve power output, increase payload weight and cruising time.Two whirlpools
Wheel shaft generator backups each other, after wherein one turboaxle motor breaks down or fails, another turboaxle motor
Enough power outputs can be provided, it is ensured that depopulated helicopter safe falling, improve the reliability of depopulated helicopter dynamical system.
Freewheel clutch is added in the power output passage of turboaxle motor can coordinate two power outputs of turboaxle motor,
Improve the output stability of dynamical system.Freewheel clutch can be in input of the output speed of turboaxle motor less than decelerator
Power output is cut off during rotating speed, it is to avoid the turboaxle motor suction that two turboaxle motor rotating speed differences cause to slowly run
The turboaxle motor power output of high-speed rotation is received, dynamical system overall output power is reduced.
The machinery that flexible connecting member in flexible clutch can reduce dynamical system while reliable transmission is ensured shakes
It is dynamic, reduce resonance risk.The structure of flexible clutch can realize the quick modularization dismounting of turboaxle motor, facilitate nobody
The regular maintenance of helicopter and the dismounting and change of turboaxle motor.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the explosive view of the embodiment of the present invention 1；
Fig. 3 is the explosive view of flexible clutch in the embodiment of the present invention 1；
Fig. 4 is the structural representation that flexible clutch does not install flexible connecting member in the embodiment of the present invention 1.
1- freewheel clutches in figure；2- exports connector；21- second connects projection；The gaps of 22- second；3- is flexibly connected
Part；31- torus；32- flexibility fasteners；4- input pads；41- first connects projection；42- lug bosses；43- screwed holes；44-
Circular bulge loop；45- reinforcements；The gaps of 46- first；5- turboaxle motors；51- exhaust outlets；52- flange terminal pads.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belongs to the scope that the present invention is protected.
Embodiment 1
As depicted in figs. 1 and 2, a kind of double remaining turbine wheel shaft dynamical systems of depopulated helicopter, including two turbine wheel shafts are started
Machine 5 and two freewheel clutches 1 being connected with two turboaxle motors 5 respectively.
The exhaust outlet 51 of turboaxle motor 5 is vertical with the power output shaft of turboaxle motor 5, in the present invention, by two
Platform turboaxle motor 5 is arranged side by side, and two exhaust outlets of turboaxle motor 5 51 is respectively facing both sides, is more favorable for
The waste gas discharge at work of turboaxle motor 5, is also more conducive to its assembling with the fuselage of depopulated helicopter.
, using two turboaxle motors 5 as output power, lightweight with small volume, power output is high for the present invention,
Simple structure, operates steadily, when vibration and noise are both less than piston-engined advantage, increase payload weight and continuation of the journey
Between.
Because the heat energy trans-utilization rate of turboaxle motor 5 is high, the heat of generation is smaller, therefore without optional equipment cooling
System, further mitigates the weight of whole dynamical system, improves the operating efficiency of dynamical system.
During unmanned helicopter flight, two turboaxle motors 5 backup each other, when wherein one turbine wheel shaft hair
After motivation 5 breaks down or fails, another turboaxle motor 5 can provide enough power outputs, it is ensured that depopulated helicopter
Safe falling, improves the reliability of depopulated helicopter dynamical system.
Freewheel clutch 1 uses the existing structure of freewheel clutch 1.It is described super in the embodiment of the record of this specification
Using the freewheel clutch 1 of single-direction transmission, it includes outer ring and inner ring to more clutch 1, and wherein outer ring is freewheel clutch 1
Active part, inner ring is the secondary part of freewheel clutch 1.
It is to be detachably connected between the power output shaft of turboaxle motor 5 and the outer ring of freewheel clutch 1.In this implementation
In example, it is detachably connected by flexible clutch realization between the power output shaft and freewheel clutch 1 of turboaxle motor 5.
Flexible clutch has the input and and freewheel clutch being connected with the power output shaft of turboaxle motor 5
The output end of 1 outer ring connection.
As shown in figure 3, flexible clutch is by the coaxial assembling of output connector 2, flexible connecting member 3 and input pad 4
Into.Output connector 2 and input pad 4 are made by rigid material, and flexible connecting member 3 is fabricated from a flexible material.This implementation
Connector 2 being exported in example and input pad 4 being made by hard metal material, flexible connecting member 3 is made up of resin material
Elastic component.
The circumferential side wall of input pad 4 and output connector 2 is circumference cambered surface, defeated for ease of being connected with remaining parts
Enter connector 4 and output connector 2 opens up the endoporus at insertion two ends, can so be dropped while self structure intensity is ensured
Low sole mass, can also avoid being interfered with remaining parts.
One end of input pad 4 is input (i.e. the input of flexible clutch), and the other end of input pad 4 is
The first abutting end for connecting output connector 2, the one end for exporting connector 2 is for connecting the second of input pad 4
Abutting end, the other end for exporting connector 2 is output end (i.e. the output end of flexible clutch).
Flexible connecting member 3 is by torus 31 and is arranged in the outer circumferential walls of torus 31 and along the circumference of torus 31
Uniform rounded or oval four flexibility fastener 32 is constituted.Four flexible fasteners 32 are integrally formed with torus 31.
Two the first connection projections 41 of radial symmetric, two first connection projections are provided with the end face of the first abutting end
41 input pad 4 most short spacing distance radially more than torus 31 external diameter.First connection projection 41 has two
The arc-shaped concave that the curved wall of individual flexible fastener 32 adjacent with two on torus 31 respectively coordinates, and the first connection projection
41 two arc-shaped concaves along input pad 4 radial symmetric.
Two the second connection projections 21 of radial symmetric, two second connection projections are provided with the end face of the second abutting end
21 the most short interval radially of input pad 4 be connected with two first projection 41 input pad 4 radially
Most short spacing distance is identical.Second connection projection 21 is identical with the shape size of the first connection projection 41, the second connection projection 21
Also there is the arc-shaped concave that two curved walls of flexible fastener 32 adjacent with two on torus 31 respectively coordinate, and second
Two arc-shaped concaves of projection 21 are connected along the radial symmetric of output connector 2.
Input pad 4, flexible connecting member 3 and output connector 2 cooperate after fitting together, in footpath between three
It is upwards tight fit relation.It thus is avoided that due to being moved caused by the dislocation that input pad 4 is assembled with output connector 2 itself
The axiality reduction of power output；Can also be during power be transmitted, it is to avoid the vibration that flexible clutch own backlash causes；
Can also avoid when eccentric, drift angle is adjusted, because input pad 4 caused by gap or/and output connector 2 pairs are flexible even
The impulsive force increase that fitting 3 is produced, and reduce the service life of flexible clutch.
Input pad 4, flexible connecting member 3 and output connector 2 cooperate when fitting together, two first connections
Projection 41 be connected with two second projection 21 it is interlaced (two first connection projections 41 the lines of centres be connected with two second
The line of centres of projection 21 is mutually perpendicular to), form four draw-in grooves matched with four flexible fasteners 32.After assembling, flexible connection
Part 3 is located between the end face of the first abutting end of the end face and input pad 4 of the second abutting end of output connector 2, and four
Individual flexible fastener 32 is embedded in four draw-in grooves between the first connection projection 41 and the second connection projection 21, each flexible fastener
The arc-shaped concave of 32 first connection projections 41 adjacent thereto and the arc-shaped concave of the second connection projection 21 are close to.
Input pad 4, flexible connecting member 3 and output connector 2 cooperate when fitting together, as shown in figure 4, the
There is the first gap 46, the second connection projection 21 between the end face of the second abutting end of one connection projection 41 and output connector 2
There is the second gap 22 and the end face of the first abutting end of input pad 4 between.First gap 46 and the second gap 22 be for
Ensure in flexible clutch when being automatically adjusted to eccentric drift angle to have between input pad 4 and output connector 2
Enough adjustment surpluses.
After mounting, the both ends of the surface of flexible fastener 32 are close to the end face of the first abutting end of input pad 4 and defeated respectively
Go out the end face of the second abutting end of connector 2.The curved wall of flexible fastener 32 does chamfered with the joint of its both ends of the surface,
And chamfering processing distance in the axial direction is all higher than the first gap 46 and the second gap 22 at two.The chamfered is fallen using 45 degree
Angle is processed.Chamfered on flexible fastener 32, on the one hand makes the face area of flexible fastener 32 less than its cross-sectional area, this
When eccentric drift angle adjusts, during it there is elastic deformation, deformation quantity can be absorbed flexible fastener 32 sample in chamfering；
On the other hand in flexible fastener 32 and the end face of the first abutting end of input pad 4 and the second abutting end of output connector 2
End face between still have enough contacts area, enable flexible fastener 32 power system operational stopping after, can be effective
Carry out elastic recovery, be not susceptible to permanent deformation, it is to avoid influence flexibility because of the permanent deformation of flexible fastener 32
The using effect of shaft coupling, increases the fault rate of parts, increases and uses and maintenance cost.
In the present embodiment, it is to be bonded to connect between the outer ring of the output end of flexible clutch and freewheel clutch 1.Its is specific
Structure is：The first keyway (not regarded in figure) is processed on the outer wall of the outer ring of freewheel clutch 1, is connected in the output of flexible clutch
The output end of fitting 2 sets the circular hole (not regarded in figure) coordinated with the outer wall of the outer ring of freewheel clutch 1, on the inwall of circular hole
Open up the second keyway (not regarded in figure) corresponding with the first keyway size matched position.During installation, will coordinate with the first keyway
After flat key is placed in the first keyway, flat key is directed at the position of the second keyway, freewheel clutch 1 is inserted into output connector 2
In the circular hole of output end, week is formed between the output end for making the output connector 2 of the outer ring of freewheel clutch 1 and flexible clutch
To fixed and transmit torque.
In the present embodiment, as depicted in figs. 1 and 2, the output end of the power output shaft of turboaxle motor 5 has method
Blue terminal pad 52, offers along its two circumferentially distributed through hole, two axially in parallel flanges of through hole in flange terminal pad 52
The axial direction of terminal pad 52 and the both ends of the surface of insertion flange terminal pad 52.
As shown in figure 3, being wholely set the through hole position with flange terminal pad 52 on the end face of the input of input pad 4
Put corresponding two lug bosses 42.The shape size of two lug bosses 42 is identical and radial symmetric along input pad 4 is set.
Two lug bosses 42 and two first positions of the connection projection 41 in the circumference of input pad 4 are mutually staggered, two lug bosses
The line of symmetry of 42 line of symmetry and two first connection projections 41 is mutually perpendicular to.Using such structure, input can be increased and connected
The bulk strength of fitting 4, after the adpting flange terminal pad 52 of lug boss 42, when entering action edge transmission, torsion passes through lug boss
42 are transferred to whole input pad 4, and the first connection projection 41 and lug boss 42 stagger setting, make the power of input pad 4
During transmission, internal stress is uniformly distributed, it is ensured that the structural strength of the entirety of input pad 4.
Two lug bosses 42 are machined with screwed hole 43 corresponding with two lead to the hole site in flange terminal pad 52, method respectively
Blue terminal pad 52 forms coaxially connected by screwing in the screw in screwed hole 43 through through hole with the input of input pad 4.
In order to ensure the company between flexible clutch and the power output shaft of turboaxle motor 5 while weight is mitigated
Intensity is connect, the integral middle of the input of input pad 4 is provided with circular bulge loop 44, outer wall and the input of circular bulge loop 44
Reinforcement 45 is also machined between the end face of the input of connector 4, and reinforcement 45 is connected with all lug bosses 42.
When the present invention is installed, first, flexible connecting member 3 is blocked the second connection projection 21 and defeated for being placed on output connector 2
Enter between the first connection projection 41 of connector 4, constitute flexible clutch；
Secondly, the output end of mounted flexible clutch is connected with the outer ring of freewheel clutch 1；
Finally, the input of flexible clutch is connected by screw with flange terminal pad 52.
Turboaxle motor 5 break down or damage needs changed or repaired when, can directly dismantle flexible
Axle device, separates the input pad 4 of flexible clutch and output connector 2, you can to realize that the quick of turboaxle motor 5 is torn open
Unload.
Embodiment 2
In the present embodiment, for flange is connected between the output end of flexible clutch and the outer ring of freewheel clutch.Its is specific
Structure is：The outer ring of freewheel clutch wherein one end is connection end, and the connection end is coaxially machined with first flange, in flexible coupling
The output end of the output connector of device is machined with the second flange matched with first flange, is processed in first flange and second flange
There are position and the corresponding some mounting holes of quantity.During installation, the position of mounting hole in first flange and second flange is aligned, led to
After crossing the bolt tightening nut also cross the mounting hole in first flange and second flange, make the outer ring of freewheel clutch with it is soft
Property shaft coupling output connector output end between formed and be connected and transmit torque.
In addition, remaining structure of the present embodiment is same as Example 1.
Embodiment 3
As preferred：For bearing pin is connected between the output end of flexible clutch and the outer ring of freewheel clutch.It is specifically tied
Structure is：Wherein one end of the outer ring of freewheel clutch is connection end, and the connection end is coaxially machined with connecting shaft, is added in connecting shaft
First mounting hole of work radial direction insertion, output end processing and the outer ring of freewheel clutch in the output connector of flexible clutch
The circular hole that coordinates of outer wall, opened up in the outlet end part of the output connector where circular hole and radial direction insertion export connector
Second mounting hole of the circumferential side wall of output end, and make the second mounting hole identical with the aperture of the first mounting hole.During installation, will be super
In the circular hole of the output end of the connecting shaft insertion output connector more on the outer ring of clutch, and make first, second mounting hole
Position aligns, and after the bearing pin that then will be matched with first, second mounting hole inserts first, second mounting hole, and makes bearing pin with holes
One end stretch out, being finally inserted into split pin in the hole of bearing pin carries out spacing (preventing bearing pin from deviating from) to bearing pin, makes overdrive clutch
Formed between the output end of the outer ring of device and the output connector of flexible clutch and be connected and transmit torque.
In addition, remaining structure of the present embodiment is same as Example 1.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. double remaining turbine wheel shaft dynamical systems of a kind of depopulated helicopter, it is characterised in that：Including two turboaxle motors (5) with
And freewheel clutch (1) corresponding with turboaxle motor (5) quantity, the freewheel clutch (1) includes outer ring and inner ring, institute
The power output shaft and the outer ring of the freewheel clutch (1) for stating turboaxle motor (5) are detachably connected, the turbine wheel shaft hair
The exhaust outlet (51) of motivation (5) is vertical with the power output shaft of the turboaxle motor (5), two turboaxle motors (5)
It is arranged side by side, and the exhaust outlet (51) of two turboaxle motors (5) is respectively facing both sides.
2. double remaining turbine wheel shaft dynamical systems of depopulated helicopter according to claim 1, it is characterised in that：The turbine wheel shaft
It is connected by flexible clutch between the power output shaft of engine (5) and the freewheel clutch (1), the flexible clutch
The input that is connected with the power output shaft with the turboaxle motor (5) and outer with the freewheel clutch (1)
Enclose the output end of connection.
3. double remaining turbine wheel shaft dynamical systems of depopulated helicopter according to claim 2, it is characterised in that：The turbine wheel shaft
The output end of the power output shaft of engine (5) has flange terminal pad (52), is offered on the flange terminal pad (52)
Along its circumferentially distributed multiple through hole, the input of the flexible clutch is provided with and leading in the flange terminal pad (52)
Hole number and position corresponding screwed hole (43), the flange terminal pad (52) screw in the screwed hole by through the through hole
(43) screw in is connected with the input of the flexible clutch.
4. double remaining turbine wheel shaft dynamical systems of depopulated helicopter according to claim 3, it is characterised in that：The flexible connection
Axle device is coaxially assembled by output connector (2), flexible connecting member (3) and input pad (4)；
One end of the input pad (4) is input, and the other end of the input pad (4) is described defeated for connecting
Go out the first abutting end of connector (2), one end of the output connector (2) is for connecting the input pad (4)
Second abutting end, the other end of the output connector (2) is output end；
The flexible connecting member (3) is by torus (31) and is arranged in the outer circumferential walls of the torus (31) and along described
Rounded or oval four flexibility fastener (32) that the circumference of torus (31) is uniform constitute；
Two the first connections projection (41) of radial symmetric are provided with the end face of first abutting end, first connection is convex
Block (41) is with two arcs that two upper with the torus (31) curved walls of adjacent flexible fastener (32) coordinate respectively
Shape concave surface, and it is described first connection projection (41) two arc-shaped concaves along the input pad (4) radial symmetric；
Two the second connections projection (21) of radial symmetric are provided with the end face of second abutting end, second connection is convex
Block (21) is identical with the shape size of the first connection projection (41)；
The input pad (4), flexible connecting member (3) and output connector (2) cooperate when fitting together, two institutes
Stating the first connection projection (41) described with two second, to be connected projection (21) interlaced, is formed and four flexible fasteners (32)
Four draw-in grooves matched somebody with somebody, the flexible connecting member (3) is exported between connector (2) and the input pad (4) positioned at described, and
Four flexible fasteners (32) coordinate four cards being embedded between first connection projection (41) and the second connection projection (21)
In groove.
5. double remaining turbine wheel shaft dynamical systems of depopulated helicopter according to claim 4, it is characterised in that：The input connects
Fitting (4), flexible connecting member (3) and output connector (2) cooperate when fitting together, first connection projection (41)
There are the first gap (46) and the end face of the second abutting end of output connector (2) between, the second connection projection
(21) there are the second gap (22) between the end face of the first abutting end of the input pad (4).
6. double remaining turbine wheel shaft dynamical systems of depopulated helicopter according to claim 5, it is characterised in that：The flexible card
It is big that the curved wall of part (32) does chamfering processing distance in the axial direction at chamfered, and two with the joint of its both ends of the surface
In first gap (46) and the second gap (22).
7. double remaining turbine wheel shaft dynamical systems of depopulated helicopter according to claim 4, it is characterised in that：The input connects
It is wholely set on the end face of the input of fitting (4) corresponding convex with the number of openings of the flange terminal pad (52) and position
The portion of rising, the screwed hole (43) is arranged on the lug boss, and the integral middle of the input of the input pad (4) is set
There is circular bulge loop (44), between the outer wall and the end face of the input of the input pad (4) of the circular bulge loop (44) also
Reinforcement (45) is machined with, and the reinforcement (45) is connected with all lug bosses.
8. double remaining turbine wheel shaft dynamical systems of depopulated helicopter as claimed in any of claims 1 to 7, its feature exists
In：It is to be bonded to connect between the output end of the flexible clutch and the outer ring of the freewheel clutch (1).
9. double remaining turbine wheel shaft dynamical systems of depopulated helicopter as claimed in any of claims 1 to 7, its feature exists
In：For flange is connected between the output end of the flexible clutch and the outer ring of the freewheel clutch (1).
10. the double remaining turbine wheel shaft dynamical systems of depopulated helicopter as claimed in any of claims 1 to 7, its feature
It is：For bearing pin is connected between the output end of the flexible clutch and the outer ring of the freewheel clutch (1).
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| CN201710187684.4A CN106864756A (en) | 2017-03-27 | 2017-03-27 | The double remaining turbine wheel shaft dynamical systems of depopulated helicopter |
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| CN201710187684.4A CN106864756A (en) | 2017-03-27 | 2017-03-27 | The double remaining turbine wheel shaft dynamical systems of depopulated helicopter |
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| CN106864756A true CN106864756A (en) | 2017-06-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108438239A (en) * | 2018-03-07 | 2018-08-24 | 天津曙光天成科技有限公司 | A kind of multi-rotor unmanned aerial vehicle |
| CN112572784A (en) * | 2021-02-23 | 2021-03-30 | 北京清航紫荆装备科技有限公司 | Power device and output mechanism of unmanned helicopter |
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| CN112572784A (en) * | 2021-02-23 | 2021-03-30 | 北京清航紫荆装备科技有限公司 | Power device and output mechanism of unmanned helicopter |
| CN112572784B (en) * | 2021-02-23 | 2021-05-25 | 北京清航紫荆装备科技有限公司 | Power device and output mechanism of unmanned helicopter |
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Application publication date: 20170620 |