CN208665525U - The drive system of single rotor unmanned plane - Google Patents
The drive system of single rotor unmanned plane Download PDFInfo
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- CN208665525U CN208665525U CN201821269145.1U CN201821269145U CN208665525U CN 208665525 U CN208665525 U CN 208665525U CN 201821269145 U CN201821269145 U CN 201821269145U CN 208665525 U CN208665525 U CN 208665525U
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- main shaft
- spindle drum
- unmanned plane
- drive system
- motor
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Abstract
The utility model discloses a kind of drive systems of single rotor unmanned plane, including main shaft and driving motor, the driving motor is equipped with master gear, the main shaft is equipped with driven fluted disc, the master gear and the driven fluted disc engagement, the driving motor is installed on the fuselage by first motor seat and the second motor cabinet, it is all held equipped with main pinion between the first motor seat and second motor cabinet and the master gear, the master is equipped with the first spindle drum, second spindle drum described in second spindle drum and third spindle drum and third spindle drum are structure as a whole, first spindle drum, main shaft bearing is all equipped between second spindle drum and third spindle drum and the main shaft, it is all angular contact bearing that the main pinion, which is held with main shaft bearing,.The utility model solves the problems, such as the axial displacement of main shaft by angular contact bearing, under the stable case that ensure that main shaft axial direction, moreover it is possible to rotate main shaft smoothly, guarantee the stable operation of unmanned plane with this.
Description
Technical field
The utility model belongs to air vehicle technique field, more particularly to a kind of single rotor unmanned plane.
Background technique
Single rotor unmanned plane, also referred to as helicopter unmanned plane are gone up to the air by main rotor and are flown, and are changed by tail rotor and are deflected
Direction has mobility strong, the fast characteristic of flying speed, so racing compared to more rotors or fixed-wing unmanned plane
In field, helicopter unmanned plane is always more popular type, and the drive system of helicopter unmanned plane is required to stablize
Output power completion that can be stable is also wanted for fulminant output, thereby may be ensured that the stabilized flight of unmanned plane,
When unmanned plane takes off, the lift that rotor generates is larger, so the axial stability for helicopter main shaft is more demanding, both needs
Axially without play, it is also desirable to main shaft can smoothly rotate, and existing unmanned plane main shaft all only uses two spindle drums and fixes, and
Using common roller bearing, stabilization when operating not can guarantee；
The driving motor of unmanned plane is due to needing to break into great torque, so the fixed needs of driving motor are very high
Stability, the related master gear of the output shaft of existing driving motor is all vacant state, i.e., the end that output shaft stretches out is not fixed
Mounting base, when driving motor operates at this time, output shaft can generate vibration, it is made to engage imprecision with driven fluted disc,
It is serious to also occur that the phenomenon that beating tooth, in addition, rotor can generate higher heat when operating, so the heat dissipation of driving motor
It is extremely important.
Utility model content
The utility model passes through angle mainly solving the technical problems that provide a kind of drive system of single rotor unmanned plane
Contact bearing solves the problems, such as the axial displacement of main shaft, under the stable case that ensure that main shaft axial direction, moreover it is possible to make main shaft smoothly
Rotation, guarantees the stable operation of unmanned plane with this.
In order to solve the above technical problems, a technical solution of the use of the utility model is as follows:
A kind of drive system of single rotor unmanned plane, including being installed on the main shaft of the fuselage of unmanned plane and driving the main shaft
Driving motor, the output shaft of the driving motor is equipped with master gear, and the main shaft is equipped with driven fluted disc, the master gear and institute
State driven fluted disc engagement；
The driving motor is installed on the fuselage by first motor seat, and the master gear stretches out the first motor
The other end of seat, the master gear is equipped with the second motor cabinet, the first motor seat and second motor cabinet and the main tooth
It is all held equipped with main pinion between wheel；
One end of the main shaft be equipped with the first spindle drum, and the other end from first spindle drum towards the main shaft according to
It is secondary to be equipped with the driven fluted disc, the second spindle drum, third spindle drum and main rotor body, second spindle drum and third main shaft
Seat is structure as a whole, and spindle shaft is all equipped between first spindle drum, the second spindle drum and third spindle drum and the main shaft
It holds, unilateral bearing is equipped between the driven fluted disc and the main shaft, the driven fluted disc drives institute by the unilateral bearing
Main shaft rotation is stated, when driving motor is shut down, the rotation direction due to the main shaft relative to the driven fluted disc changes, described
Main shaft can continue to keep rotation according to inertia；
The drive system further includes multiple steering engines, and the steering engine is fixed on the fuselage, and the output shaft of the steering engine is solid
Surely it is connected with steering engine arm, the free end of the steering engine arm and one end bulb of connecting rod connect, and the other end bulb of the connecting rod connects
It is connected to the cross plate of the rotor mechanism, the steering engine drives the rotor mechanism by the steering engine arm and connecting rod.
It further says, the driving motor is equipped with radiator shutter, and the radiator shutter is located at the interior of the driving motor
Portion, and it is fixed on the rotary shaft of the driving motor.
It further says, motor stiffening plate, the motor is equipped between the first motor seat and second motor cabinet
The both ends of stiffening plate are individually fixed in the first motor seat and second motor cabinet.
It further says, the main pinion holds as double row angular contact bearing.
It further says, the main shaft bearing includes double row angular contact bearing and/or single-row angular contact bearing.
Further to say, the steering engine arm is hollow structure, by the hollow structure, when unmanned plane is dropped,
Hollow steering engine arm can damage, since its rigidity is lower so as to which steering engine and pull rod and cross plate is effectively protected first.
It further says, the master gear and driven fluted disc are all helical teeth structure.
It further says, the main shaft is additionally provided with main shaft fixed ring, and the main shaft fixed ring is located at the third spindle drum
Between the main rotor body, the main shaft fixed ring is resisted against the third spindle drum and is fixedly connected on the main shaft.
It further says, belt pulley is equipped between the driven fluted disc and the second spindle drum, and the belt pulley is fixedly connected
In the main shaft.
The utility model has the beneficial effects that
One, the drive system of the utility model, main shaft is set there are three spindle drum, and passes through angle between spindle drum and main shaft
Contact bearing connection, the axial displacement of main shaft is prevented by the characteristic of angular contact bearing, and three spindle drums can be stable
Fixed main shaft, and can smoothly rotate, in addition the second spindle drum is structure as a whole with third spindle drum, so that the rigidity of spindle drum
Increase, the effective stability for guaranteeing spindle drum；
Two, the drive system of the utility model, steering engine arm are that hollow structure is dropped by hollow structure in unmanned plane
When, hollow steering engine arm can damage, since its rigidity is lower so as to which steering engine and pull rod and ten are effectively protected first
Letter disk；The main shaft of this drive system is additionally provided with unilateral bearing, and driven fluted disc drives the main shaft rotation by the unilateral bearing,
When driving motor is shut down, the rotation direction due to the main shaft relative to the driven fluted disc changes, and the main shaft can be according to
When inertia continues to keep rotation, i.e. failure, main rotor can also continue to provide lift to unmanned plane by inertia, avoid the straight of unmanned plane
It connects and drops damage；In addition, being additionally provided with radiator shutter inside driving motor, radiator shutter is set in the shaft of driving motor, benefit
It is radiated with the rotation band movable vane piece of its own, effectively improves the stability of driving motor and prolong its service life.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the airframe structure schematic diagram of the unmanned plane of the utility model；
Fig. 2 is the structural schematic diagram at another visual angle of fuselage of the unmanned plane of the utility model；
Fig. 3 is the decomposition diagram of the driving motor of the utility model；
Fig. 4 is the decomposition diagram of the main shaft of the utility model；
Fig. 5 is the portion the A enlarged drawing of Fig. 2；
Fig. 6 is the schematic diagram of the motor stiffening plate of the driving motor of the utility model；
Each section label is as follows in attached drawing:
Fuselage 1, main shaft 401, driving motor 402, master gear 4021, driven fluted disc 4011, first motor seat 403, second
Motor cabinet 404, main pinion hold the 405, first spindle drum 406, the second spindle drum 4071, third spindle drum 4072, main rotor body
30, main shaft bearing 408, unilateral bearing 4010, steering engine 409, steering engine arm 4091, connecting rod 3028, cross plate 303, radiator shutter
4022, motor stiffening plate 4015, main shaft fixed ring 4012 and belt pulley 4013.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Embodiment: a kind of drive system of single rotor unmanned plane includes the fuselage 1 for being installed on unmanned plane as shown in Figure 1:
Main shaft 401 and the driving motor 402 for driving the main shaft；
As shown in Figures 2 and 3: the output shaft of the driving motor is equipped with master gear 4021, and the main shaft is equipped with driven tooth
Disk 4011, the master gear and the driven fluted disc engagement；
The driving motor is installed on the fuselage by first motor seat 403, and the master gear stretches out described first
The other end of motor cabinet, the master gear is equipped with the second motor cabinet 404, the first motor seat and second motor cabinet and institute
It states and all holds 405 equipped with main pinion between master gear；
As shown in Figure 4: one end of the main shaft is equipped with the first spindle drum 406, and from first spindle drum described in
The other end of main shaft is successively arranged the driven fluted disc, the second spindle drum 4071, third spindle drum 4072 and main rotor body 30,
Second spindle drum and third spindle drum are structure as a whole, first spindle drum, the second spindle drum and third spindle drum with
It is all equipped with main shaft bearing 408 between the main shaft, unilateral bearing 4010 is equipped between the driven fluted disc and the main shaft, it is described
Driven fluted disc drives main shaft rotation by the unilateral bearing, when driving motor is shut down, due to the main shaft relative to
The rotation direction of the driven fluted disc changes, and the main shaft can continue to keep rotation according to inertia.
As shown in Figure 5: the drive system further includes multiple steering engines 409, and the steering engine is fixed on the fuselage, the rudder
The output shaft of machine is fixedly connected with steering engine arm 4091, and the free end of the steering engine arm is connect with one end bulb of connecting rod 3028, institute
The other end bulb for stating connecting rod is connected to the cross plate 303 of the rotor mechanism, and the steering engine passes through the steering engine arm and connecting rod
Drive the rotor mechanism.
As shown in Figure 3: the driving motor is equipped with radiator shutter 4022, and the radiator shutter is located at the driving motor
Inside, and it is fixed on the rotary shaft of the driving motor.
It is as shown in Figure 6: motor stiffening plate 4015, the electricity are equipped between the first motor seat and second motor cabinet
The both ends of machine stiffening plate are individually fixed in the first motor seat and second motor cabinet.
The main pinion holds as double row angular contact bearing.
The main shaft bearing includes double row angular contact bearing and/or single-row angular contact bearing.
As shown in Figure 5: the steering engine arm is hollow structure, empty when unmanned plane is dropped by the hollow structure
The steering engine arm of the heart can damage, since its rigidity is lower so as to which steering engine and pull rod and cross plate is effectively protected first.
The master gear and driven fluted disc are all helical teeth structure.
As shown in Figure 4: the main shaft is additionally provided with main shaft fixed ring 4012, and the main shaft fixed ring is located at the third main shaft
Between seat and the main rotor body, the main shaft fixed ring is resisted against the third spindle drum and is fixedly connected on the master
Axis；
Belt pulley 4013 is equipped between the driven fluted disc and the second spindle drum, the belt pulley is fixedly connected on the master
Axis.
The course of work and working principle of the utility model are as follows:
The main shaft of drive system is set there are three spindle drum, and is connected between spindle drum and main shaft by angular contact bearing, logical
The characteristic for crossing angular contact bearing prevents the axial displacement of main shaft, and the fixed main shaft that three spindle drums can be stable, and can be suitable
Smooth rotation, in addition the second spindle drum is structure as a whole with third spindle drum, so that the rigidity of spindle drum increases, it is effective to guarantee
The stability of spindle drum；
Steering engine arm is hollow structure, and by hollow structure, when unmanned plane is dropped, hollow steering engine arm is rigid due to it
Property is lower, can damage first, so as to which steering engine and pull rod and cross plate is effectively protected；The main shaft of this drive system is additionally provided with
Unilateral bearing, driven fluted disc drives the main shaft rotation by the unilateral bearing, when driving motor is shut down, due to the master
Axis changes relative to the rotation direction of the driven fluted disc, main when the main shaft can continue to keep according to inertia rotation, i.e. failure
Rotor can also continue to provide lift to unmanned plane by inertia, and avoid unmanned plane directly drops damage；
In addition, being additionally provided with radiator shutter inside driving motor, radiator shutter is set in the shaft of driving motor, utilizes it
The rotation band movable vane piece of itself radiates, and effectively improves the stability of driving motor and prolongs its service life.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure transformation made based on the specification and figures of the utility model, it is relevant to be applied directly or indirectly in other
Technical field is also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of drive system of single rotor unmanned plane, it is characterised in that: the main shaft including being installed on the fuselage (1) of unmanned plane
(401) and the driving motor (402) of the driving main shaft, the output shaft of the driving motor are described equipped with master gear (4021)
Main shaft is equipped with driven fluted disc (4011), the master gear and the driven fluted disc engagement；
The driving motor is installed on the fuselage by first motor seat (403), and the master gear stretches out first electricity
The other end of base, the master gear is equipped with the second motor cabinet (404), the first motor seat and second motor cabinet and institute
It states and all holds (405) equipped with main pinion between master gear；
One end of the main shaft is equipped with the first spindle drum (406), and from first spindle drum towards the other end of the main shaft
It is successively arranged the driven fluted disc, the second spindle drum (4071), third spindle drum (4072) and main rotor body (30), described
Two spindle drums and third spindle drum are structure as a whole, first spindle drum, the second spindle drum and third spindle drum and the master
Main shaft bearing (408) all are equipped between axis, are equipped with unilateral bearing (4010) between the driven fluted disc and the main shaft；
The drive system further includes multiple steering engines (409), and the steering engine is fixed on the fuselage, and the output shaft of the steering engine is solid
Surely it is connected with steering engine arm (4091), the free end of the steering engine arm is connect with one end bulb of connecting rod (3028), the connecting rod
Other end bulb is connected to the cross plate (303) of the rotor mechanism.
2. the drive system of single rotor unmanned plane according to claim 1, it is characterised in that: the driving motor, which is equipped with, to be dissipated
Hot blade (4022), the radiator shutter are located at the inside of the driving motor, and are fixed on the rotary shaft of the driving motor.
3. the drive system of single rotor unmanned plane according to claim 1, it is characterised in that: the first motor seat and institute
It states and is equipped with motor stiffening plate (4015) between the second motor cabinet, the both ends of the motor stiffening plate are individually fixed in first electricity
Base and second motor cabinet.
4. the drive system of single rotor unmanned plane according to claim 1, it is characterised in that: the main pinion holds as biserial
Angular contact bearing.
5. the drive system of single rotor unmanned plane according to claim 1, it is characterised in that: the main shaft bearing includes double
Column angular contact bearing and/or single-row angular contact bearing.
6. the drive system of single rotor unmanned plane according to claim 1, it is characterised in that: the steering engine arm is hollow knot
Structure.
7. the drive system of single rotor unmanned plane according to claim 1, it is characterised in that: the master gear and driven tooth
Disk is all helical teeth structure.
8. the drive system of single rotor unmanned plane according to claim 1, it is characterised in that: the main shaft is additionally provided with main shaft
Fixed ring (4012), for the main shaft fixed ring between the third spindle drum and the main rotor body, the main shaft is solid
Determine ring to be resisted against the third spindle drum and be fixedly connected on the main shaft.
9. the drive system of single rotor unmanned plane according to claim 1 or 8, it is characterised in that: the driven fluted disc and
Belt pulley (4013) are equipped between second spindle drum, the belt pulley is fixedly connected on the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821269145.1U CN208665525U (en) | 2018-08-08 | 2018-08-08 | The drive system of single rotor unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821269145.1U CN208665525U (en) | 2018-08-08 | 2018-08-08 | The drive system of single rotor unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208665525U true CN208665525U (en) | 2019-03-29 |
Family
ID=65833589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821269145.1U Expired - Fee Related CN208665525U (en) | 2018-08-08 | 2018-08-08 | The drive system of single rotor unmanned plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208665525U (en) |
-
2018
- 2018-08-08 CN CN201821269145.1U patent/CN208665525U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20200808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |