CN117682057B - Driving mechanism, steering engine and aircraft - Google Patents
Driving mechanism, steering engine and aircraft Download PDFInfo
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- CN117682057B CN117682057B CN202410137433.5A CN202410137433A CN117682057B CN 117682057 B CN117682057 B CN 117682057B CN 202410137433 A CN202410137433 A CN 202410137433A CN 117682057 B CN117682057 B CN 117682057B
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- 230000008859 change Effects 0.000 claims description 3
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- 230000009471 action Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
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Abstract
The application relates to a driving mechanism, a steering engine and an aircraft, wherein the driving mechanism comprises a first transmission assembly, a second transmission assembly and a reversing assembly, the first transmission assembly comprises a first rotating shaft which synchronously rotates, a first rotating wheel sleeved on the first rotating shaft and a first connecting part which is arranged on the first rotating shaft and is used for connecting a first driven piece; the second transmission assembly comprises a second rotating shaft which synchronously rotates, a second rotating wheel sleeved on the second rotating shaft and a second connecting part which is arranged on the second rotating shaft and used for connecting a second driven piece; the reversing assembly comprises a first reversing gear and a second reversing gear which are in transmission connection, the first reversing gear is in transmission connection with the first rotating wheel, and the second reversing gear is in transmission connection with the second rotating wheel. The reversing assembly can enable the first rotating shaft and the second rotating shaft to have opposite steering so as to drive the first driven piece and the second driven piece to synchronously and reversely rotate, and the driving mechanism is compact in structure, small in occupied space, light in overall weight and capable of improving the balance and mobility of the aircraft.
Description
Technical Field
The application relates to the technical field of aircraft design and manufacturing, in particular to a driving mechanism, a steering engine and an aircraft.
Background
The medium crossing aircraft is an aircraft which can cross water and air medium interfaces for multiple times and realize movement under different medium environments. As a variant of the common use of folding wings for medium-crossing aircraft, the essential component is the steering engine.
The steering engine is used as an angle servo driver and is mainly used for adjusting and controlling the wings of which the angles need to be changed continuously so as to ensure the stability of the system. When the aircraft sails underwater, the steering engine drives the wing to fold so as to reduce sailing resistance; when the aircraft is sailed in the air, the steering engine drives the wings to be unfolded so as to increase the lift force of the aircraft.
With the continuous development of navigation technology and the continuous exploration of advanced weaponry, the requirements of people on the adjustable performance of wings are higher and higher, and how to improve the mobility of an aircraft and how to improve the synchronous motion capability of the wings become a research direction in the field of steering engine design and manufacturing.
Disclosure of Invention
The driving mechanism, the steering engine and the aircraft provided by the embodiment of the application can effectively realize the reverse synchronous movement of the first rotating shaft and the second rotating shaft by using a simple transmission mechanism, so that the moving performance of the aircraft is improved.
In one aspect, an embodiment according to the present application proposes a driving mechanism including: the first transmission assembly comprises a first rotating shaft, a first rotating wheel sleeved outside the first rotating shaft and a first connecting part arranged on the first rotating shaft, wherein the first connecting part is arranged at intervals with the first rotating wheel along the extending direction of the first rotating shaft and is used for connecting a first driven piece, and the first connecting part, the first rotating wheel and the first rotating shaft synchronously rotate; the second transmission assembly comprises a second rotating shaft parallel to the extending direction of the first rotating shaft, a second rotating wheel sleeved outside the second rotating shaft and a second connecting part arranged on the second rotating shaft, wherein the second connecting part is arranged at intervals with the second rotating wheel along the extending direction of the second rotating shaft and is used for connecting a second driven piece, and the second connecting part, the second rotating wheel and the second rotating shaft synchronously rotate; the reversing assembly comprises a first reversing gear and a second reversing gear which are in transmission connection, wherein the first reversing gear is in transmission connection with the first rotating wheel, and the second reversing gear is in transmission connection with the second rotating wheel.
According to one aspect of the embodiment of the present application, the apparatus further comprises a driving member and a first speed reduction assembly, wherein the driving member is in transmission connection with the first rotating wheel through the first speed reduction assembly.
According to one aspect of the embodiment of the application, the first speed reducing assembly comprises a first speed reducing wheel and a second speed reducing wheel which are in transmission connection, the first speed reducing wheel is connected with the output end of the driving piece, and the second speed reducing wheel is in transmission connection with the first rotating shaft; the radius of the first reduction gear is smaller than that of the second reduction gear.
According to an aspect of the embodiment of the application, the device further comprises a second speed reduction assembly, the second speed reduction assembly comprises a worm wheel and a worm in transmission connection, the worm wheel is sleeved on the first rotating shaft and rotates synchronously with the first rotating shaft, and the second speed reduction wheel is sleeved on the worm and rotates synchronously with the worm.
According to one aspect of the embodiment of the application, the reversing assembly and the first speed reduction assembly are respectively arranged at two sides of the first rotating wheel along the first direction, and the second rotating wheel comprises an avoidance groove for accommodating the first speed reduction assembly; the first direction intersects with the extending direction of the first rotating shaft.
According to one aspect of an embodiment of the application, the reversing assembly is provided with a plurality of groups of reversing assemblies which are evenly distributed in the circumferential direction of the first rotating wheel.
According to an aspect of the embodiment of the application, the device further comprises a detection rotating wheel which is in transmission connection with the first rotating wheel, an encoder is arranged on the detection rotating wheel, an encoder chip is arranged on the driving piece, and the encoder chip can receive signals transmitted by the encoder and change the rotating speed of the driving piece.
According to an aspect of the embodiment of the present application, the first rotating shaft and the second rotating shaft are coaxially disposed, the second rotating shaft includes a receiving cavity penetrating through the second rotating shaft in an axial direction, the first rotating shaft portion is disposed in the receiving cavity, an extending length of the first rotating shaft in the axial direction is greater than an extending length of the second rotating shaft in the axial direction, and the first rotating wheel and the first connecting portion are disposed at both sides of an extending direction of the second rotating shaft.
On the other hand, the embodiment of the application also provides a steering engine, which comprises the driving mechanism and a shell, wherein the driving mechanism part is arranged in the shell, a first hole is formed in the shell, the first connecting part and the second connecting part extend out of the first hole, and the driving mechanism part is fixedly connected with the shell.
On the other hand, the embodiment of the application also provides an aircraft, which comprises the steering engine and the wing, wherein the wing is connected with the steering engine through the first connecting part and the second connecting part.
The driving mechanism comprises a first transmission assembly, a second transmission assembly and a reversing assembly, wherein the first transmission assembly comprises a first rotating shaft, a first rotating wheel sleeved outside the first rotating shaft and a first connecting part arranged on the first rotating shaft, the first connecting part is arranged at intervals with the first rotating wheel along the extending direction of the first rotating shaft and is used for connecting a first driven piece, and the first connecting part, the first rotating wheel and the first rotating shaft synchronously rotate; the second transmission assembly comprises a second rotating shaft parallel to the extending direction of the first rotating shaft, a second rotating wheel sleeved outside the second rotating shaft and a second connecting part arranged on the second rotating shaft, wherein the second connecting part is arranged at intervals with the second rotating wheel along the extending direction of the second rotating shaft and is used for connecting a second driven piece, and the second connecting part, the second rotating wheel and the second rotating shaft synchronously rotate; the reversing assembly comprises a first reversing gear and a second reversing gear which are in transmission connection, wherein the first reversing gear is in transmission connection with the first rotating wheel, and the second reversing gear is in transmission connection with the second rotating wheel. The reversing assembly can enable the first rotating shaft and the second rotating shaft to have opposite steering so as to drive the first driven piece and the second driven piece to synchronously and reversely rotate, and the driving mechanism is compact in structure, small in occupied space and light in overall weight, and can effectively improve the balance and mobility of the aircraft.
Drawings
Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a driving mechanism according to some embodiments of the present application;
FIG. 2 is a top view of a drive mechanism provided in some embodiments of the application;
FIG. 3 is a cross-sectional view of a drive mechanism provided in some embodiments of the application;
FIG. 4 is a schematic view of a first shaft and a first pulley of a driving mechanism according to some embodiments of the present application;
FIG. 5 is a schematic view of a driving mechanism according to some embodiments of the present application from another perspective;
FIG. 6 is a schematic diagram of a second shaft and a second wheel of a driving mechanism according to some embodiments of the present application;
FIG. 7 is a feedback diagram of rotational speed adjustment of a first shaft of a driving mechanism according to some embodiments of the present application;
Fig. 8 is a schematic structural diagram of a steering engine according to some embodiments of the present application;
fig. 9 is an exploded view of the steering engine according to some embodiments of the present application;
FIG. 10 is a schematic illustration of a portion of an aircraft structure provided in accordance with some embodiments of the present application;
Fig. 11 is a front view of a portion of an aircraft structure provided in some embodiments of the application.
Marking:
100. A first driven member; 200. a second driven member; 300. a cable;
1. A first transmission assembly; 11. a first rotating shaft; 111. a wire through hole; 112. a wire passing channel; 12. A first wheel; 13. a first connection portion;
2. A second transmission assembly; 21. a second rotating shaft; 211. wire passing grooves; 212. a receiving chamber; 22. A second wheel; 221. an avoidance groove; 23. a second connecting portion;
3. A reversing assembly; 31. a first reversing gear; 32. a second reversing gear;
4. a driving member;
5. A first deceleration assembly; 51. a first reduction gear; 52. a second reduction gear;
6. A second deceleration assembly; 61. a worm; 62. a worm wheel;
7. Detecting a rotating wheel;
8. a housing; 81. an upper housing; 82. a lower housing; 821. a first hole;
9. and a seal.
In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.
Detailed Description
Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the particular embodiments described herein are meant to be illustrative of the application only and not limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the application by showing examples of the application.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The medium-crossing aircraft is an aircraft which can cross water and air interfaces for multiple times and realize movement under different medium environments, and has high flexibility and adaptability. As a variant of the common use of folding wings for medium-crossing aircraft, the essential component is the steering engine.
The steering engine belongs to an angle servo driver, and is mainly used for regulating and controlling the wings of which angles need to be changed continuously so as to ensure the overall stability of the system. When the aircraft sails underwater, the steering engine drives the wing to fold so as to reduce sailing resistance; when the aircraft is sailed in the air, the steering engine drives the wings to be unfolded so as to increase the lift force of the aircraft.
However, with the continuous development of navigation technology and the continuous exploration of advanced equipment, the requirements of people on the adjustable performance of wings are higher and higher. In order to realize the synchronous motion of the wings, the existing aircraft wing steering engine driving mechanism is generally complex, so that the overall weight of the aircraft is high, the transmission effect is poor, the manufacturing cost is high, and good sailing effect and sealing effect are difficult to achieve. Therefore, how to improve the mobility of the aircraft, the waterproof capability of the steering engine and the synchronous motion capability of the wings become one research direction in the field of design and manufacture of driving mechanisms of the aircraft.
For a better understanding of the present application, in one aspect, a driving mechanism according to an embodiment of the present application is described in detail below with reference to fig. 1 to 7.
Fig. 1 is a schematic structural diagram of a driving mechanism according to some embodiments of the present application. Fig. 2 is a top view of a drive mechanism provided in some embodiments of the application. Fig. 3 is a cross-sectional view of a drive mechanism according to some embodiments of the present application. Fig. 4 is a schematic structural diagram of a first rotating shaft and a first rotating wheel of a driving mechanism according to some embodiments of the present application. Fig. 5 is a schematic structural diagram of a first rotating shaft and a first rotating wheel of a driving mechanism according to some embodiments of the present application under another view. Fig. 6 is a schematic structural diagram of a second rotating shaft and a second rotating wheel of a driving mechanism according to some embodiments of the present application.
As shown in fig. 1 to 3, the embodiment of the present application provides a driving mechanism, which includes a first transmission assembly 1, a second transmission assembly 2 and a reversing assembly 3, wherein the first transmission assembly 1 includes a first rotating shaft 11, a first rotating wheel 12 sleeved outside the first rotating shaft 11, and a first connecting portion 13 disposed on the first rotating shaft 11, the first connecting portion 13 is disposed at a distance from the first rotating wheel 12 along an extending direction of the first rotating shaft 11, the first connecting portion 13 is used for connecting a first driven member 100, and the first connecting portion 13, the first rotating wheel 12 and the first rotating shaft 11 rotate synchronously; the second transmission assembly 2 comprises a second rotating shaft 21 parallel to the extending direction of the first rotating shaft 11, a second rotating wheel 22 sleeved outside the second rotating shaft 21, and a second connecting part 23 arranged on the second rotating shaft 21, wherein the second connecting part 23 is arranged at intervals with the second rotating wheel 22 along the extending direction of the second rotating shaft 21, the second connecting part 23 is used for connecting a second driven piece 200, and the second connecting part 23, the second rotating wheel 22 and the second rotating shaft 21 synchronously rotate; the reversing assembly 3 comprises a first reversing gear 31 and a second reversing gear 32 which are in transmission connection, wherein the first reversing gear 31 is in transmission connection with the first rotating wheel 12, and the second reversing gear 32 is in transmission connection with the second rotating wheel 22.
The first transmission assembly 1 comprises a first rotating shaft 11, a first rotating wheel 12 sleeved outside the first rotating shaft 11 and a first connecting part 13 arranged on the first rotating shaft 11, wherein the first rotating wheel 12 and the first rotating shaft 11 have various structural relations. In some embodiments, the first rotor 12 and the first shaft 11 are of unitary construction; in some other embodiments, the first wheel 12 and the first shaft 11 are detachably connected, alternatively, the first wheel 12 and the first shaft 11 may be keyed, tapered or threaded.
The first connecting portion 13 is disposed at a distance from the first rotating wheel 12 along the extending direction of the first rotating shaft 11, and the first connecting portion 13 is used for connecting the first driven member 100, wherein the first connecting portion 13 has various forms. Optionally, the first connecting portion 13 is separately arranged with the first rotating shaft 11, the first driven member 100 is detachably connected with the first rotating shaft 11 through the first connecting portion 13, and the driving mechanism can be connected with different first driven members 100 only by replacing the first connecting portion 13, so that the application range of the driving mechanism is improved; or the first connecting portion 13 is integrally provided with the first rotating shaft 11, the first connecting portion 13 may be a clamping groove formed on the first rotating shaft 11, and the first rotating shaft 11 is clamped with the first driven member 100 through the clamping groove.
As shown in fig. 1 and 3, the first connecting portion 13 is sleeved outside the first rotating shaft 11 and detachably connected to the first rotating shaft 11, and a plurality of protruding structures protruding from the outer surface of the first connecting portion 13 are disposed on the first connecting portion 13, and extend along the axial direction of the first rotating shaft 11 for connecting with the first driven member 100. The first connecting part 13 has a simple structure and is convenient to use, the first driven piece 100 can be prevented from being in direct contact with the first rotating shaft 11, the abrasion condition between the first driven piece 100 and the first rotating shaft 11 is lightened, and the service life of the driving mechanism is prolonged.
It should be noted that the arrangement of the first transmission assembly 1 according to the embodiment of the present application is also applicable to the second transmission assembly 2, which is not limited thereto.
As further shown in fig. 1-3, the reversing assembly 3 includes a first reversing gear 31 and a second reversing gear 32 in driving connection, the first reversing gear 31 being in driving connection with the first runner 12, and the second reversing gear 32 being in driving connection with the second runner 22. The first rotating wheel 12 can have various forms, in some embodiments, the first rotating wheel 12 is a gear, the first rotating wheel 12 is meshed with the first reversing gear 31 for transmission, the gear transmission precision is high, the transmission ratio is not easy to change, and the transmission reliability is high; in some other embodiments, the first rotating wheel 12 is a belt wheel, the first rotating wheel 12 is in transmission connection with the rotating shaft of the first reversing gear 31, and the belt wheel has a simple transmission structure and good transmission stability. Since the engaged pair of gears has the characteristic of opposite rotation directions, under the transmission action of the first reversing gear 31 and the second reversing gear 32, the first rotating shaft 11 and the second rotating shaft 21 can also have opposite rotation directions, so that the first driven member 100 and the second driven member 200 are driven to synchronously and reversely rotate.
It should be noted that, the first reversing gear 31 and the second reversing gear 32 may be spur gears or bevel gears, and preferably, the first reversing gear 31 and the second reversing gear 32 are spur gears with axes parallel to the first rotating shaft 11 and the second rotating shaft 21, so that the force transmission effect and the load bearing of the spur gears are good, the bearing capacity of the first rotating shaft 11 assembly and the second rotating shaft 21 assembly can be improved, and the applicable working condition of the driving mechanism is further enlarged.
The driving mechanism can drive the first rotating shaft 11 to rotate, and realize synchronous reverse rotation of the first rotating shaft 11 and the second rotating shaft 21 under the action of the reversing assembly 3, so that the unfolding effect of the first driven piece 100 and the second driven piece 200 is guaranteed, the connection relationship among the first transmission assembly 1, the second transmission assembly 2 and the reversing assembly 3 is simple, the follow-up maintenance is convenient, the driving mechanism is compact in integral structure, small in occupied space, light in weight and high in connection reliability of gears, the balance and stability of the first driven piece 100 and the second driven piece 200 can be effectively guaranteed, and the driving mechanism is suitable for various application scenes.
As shown in fig. 1 to 6, in some embodiments, the first shaft 11 and the second shaft 21 are coaxially disposed, the second shaft 21 includes a receiving cavity 212 penetrating through the second shaft 21 in an axial direction, the first shaft 11 is partially disposed in the receiving cavity 212, an extension length of the first shaft 11 in the axial direction is greater than an extension length of the second shaft 21 in the axial direction, and the first pulley 12 and the first connection portion 13 are partially disposed at both sides of an extension direction of the second shaft 21.
The first rotation shaft 11 and the second rotation shaft 21 are coaxially disposed, and the first rotation shaft 11 and the second rotation shaft 21 have various positional relationships. In some embodiments, the first rotating shaft 11 is located at one side of the second rotating shaft 21 in the axial direction; in some other embodiments, the first rotating shaft 11 is sleeved outside the second rotating shaft 21, or the second rotating shaft 21 is sleeved outside the first rotating shaft 11, so that the structure is compact, and the occupied space of the driving mechanism is reduced.
By coaxially arranging the second rotation shaft 21 and the first rotation shaft 11, the first driven member 100 and the second driven member 200 can be arranged in a superposed manner at the initial position, and symmetry and balance are effectively improved. The extending length of the first rotating shaft 11 in the axial direction is greater than that of the second rotating shaft 21 in the axial direction, so that the first rotating wheel 12 and the first connecting portion 13 extend out of the accommodating cavity 212, and are convenient to connect with the reversing assembly 3 and the first driven member 100.
Further alternatively, a sealing member 9 may be provided between the first rotating shaft 11 and the second rotating shaft 21, so that the driving mechanism has waterproof performance and can adapt to the application situations such as underwater or thunderstorm weather.
Further, as shown in fig. 4 to 6, in some embodiments, a wire passing channel 112 for accommodating the cable 300 is formed on the first shaft 11, the wire passing channel 112 penetrates through the first shaft 11 along an axial direction, and in some embodiments, wire passing holes 111 and wire passing grooves 211 are formed on circumferential wall surfaces of the first shaft 11 and the second shaft 21, respectively, for passing or avoiding the cable 300.
As shown in fig. 1 to 2, the driving mechanism comprises a driving member 4 and a first speed reduction assembly 5, and the driving member 4 is in transmission connection with a first rotating wheel 12 through the first speed reduction assembly 5.
The first reduction assembly 5 may take a variety of forms, alternatively the first reduction assembly 5 may comprise a gear wheel, through which the drive is reduced and meshed with the first pulley 12; or the first reduction assembly 5 may also comprise a pulley which drives a reduction, the pulley being driven with the first pulley 12; still alternatively, the first reduction assembly 5 may be reduced in speed by adding friction to the first wheel 12.
As further shown in fig. 1-2, in some embodiments, the first reduction assembly 5 includes a first reduction gear 51 and a second reduction gear 52 in driving connection, the first reduction gear 51 being connected to the output of the driver 4, the second reduction gear 52 being in driving connection with the first shaft 11; the radius of the first reduction gear 51 is smaller than the second reduction gear 52.
The first reduction assembly 5 comprises a first reduction gear 51 and a second reduction gear 52 in driving connection, the first reduction gear 51 and the second reduction gear 52 having various forms. In some embodiments, the first reduction gear 51 and the second reduction gear 52 are gears, and the first reduction gear 51 and the second reduction gear 52 are in meshed connection, alternatively, the first reduction gear 51 and the second reduction gear 52 are spur gears, and the spur gears have small volume, large transmission torque and high transmission efficiency; or the first reduction gear 51 and the second reduction gear 52 form a planetary gear, the return clearance of the planetary gear is small, the precision is high, the compactness of the first reduction assembly 5 can be improved, and the service life of the driving mechanism is prolonged; in some other embodiments, the first reduction gear 51 and the second reduction gear 52 are sprockets or pulleys.
It should be noted that the first speed reducing assembly 5 may include a plurality of speed reducing wheels, and the plurality of speed reducing wheels are sequentially driven to improve the speed reducing effect of the first speed reducing assembly 5.
The first reduction gear 5 can adjust the power of the high-speed operation output from the driver 4 to a target rotation speed and transmit it to the first shaft 11 so that the first driven member 100 and the second driven member 200 rotate at appropriate rotation speeds.
To further enhance the deceleration effect, in some embodiments, the driving mechanism further includes a second deceleration assembly 6, the second deceleration assembly 6 includes a worm wheel 62 and a worm 61 in driving connection, the worm wheel 62 is sleeved on the first rotating shaft 11 and rotates synchronously with the first rotating shaft 11, and the second deceleration wheel 52 is sleeved on the worm 61 and rotates synchronously with the worm 61.
The second speed reducing assembly 6 comprises a worm wheel 62 and a worm 61 which are in transmission connection, the worm wheel 62 is sleeved on the first rotating shaft 11 and rotates synchronously with the first rotating shaft 11, and the second speed reducing wheel 52 is sleeved on the worm 61 and rotates synchronously with the worm 61. Optionally, the worm gear 62 is connected to the first rotating wheel 12 through a connecting member to improve the performance of synchronous motion of the two, wherein the connecting member may be a bolt or a pin, and a plurality of connecting members are uniformly distributed in the circumferential direction of the worm gear 62. By fitting the worm wheel 62 around the first rotation shaft 11 and the second reduction gear 52 around the worm 61, the compactness of the second reduction gear 6 can be improved, and the space occupied by the driving mechanism can be reduced. The second speed reducing assembly 6 is used for further reducing the rotation speed of the second speed reducing wheel 52 transmitted to the first rotating wheel 12, the worm gear structure is used for reducing the speed to achieve a larger speed reducing ratio, and the worm gear 62 and the rotation shaft of the worm 61 are not on the same axis, so that compared with the increase of the number of the speed reducing wheels in the first speed reducing assembly 5, the arrangement of the second speed reducing assembly 6 can more reasonably utilize the space, the compactness of the structure is improved on the premise of achieving the target speed reducing ratio, and the overlong dimension of the driving mechanism in a certain direction is avoided.
It should be noted that, the driving mechanism provided in the embodiment of the present application includes, but is not limited to, a first deceleration assembly 5 and a second deceleration assembly 6, where the deceleration assemblies may be provided with multiple groups, and the specific number may be set according to the needs or actual use situations.
The specific positions of the reversing assembly 3 and the first reduction assembly 5 relative to the first wheel 12 are not limiting with respect to embodiments of the present application. As shown in fig. 1 and 2, in some embodiments, the reversing assembly 3 and the first reduction assembly 5 are disposed on both sides of the first rotating wheel 12 along the first direction, and the second rotating wheel 22 includes a avoidance groove 221 for accommodating the first reduction assembly 5; the first direction intersects the extending direction of the first rotation shaft 11.
The second runner 22 includes a relief groove 221 for accommodating the first reduction gear assembly 5, and the shape of the relief groove 221 is not specified here, so long as the second runner 22 does not interfere with the first reduction gear assembly 5. Meanwhile, the arrangement of the avoidance groove 221 can reduce the weight of the second rotating shaft 21 assembly, so that the whole driving mechanism is light. Through arranging the reversing component 3 and the first speed reduction component 5 on two sides of the first rotating wheel 12 along the first direction, the probability of interference between the reversing component 3 and the rotating shaft of the first speed reduction component 5 can be avoided, and the overall layout is compact and reasonable.
Further, in some embodiments, the reversing assemblies 3 are provided with a plurality of groups, the groups of reversing assemblies 3 being evenly distributed in the circumferential direction of the first rotor 12. As shown in fig. 1 and 2, the reversing assembly 3 is provided with two groups, which are respectively disposed on one side of the first rotating wheel 12 away from the first decelerating assembly 5 along the first direction, and are located in the circumferential direction of the first rotating wheel 12. Through setting up two sets of steering assembly 3, can effectively improve the load capacity of first pivot 11 and second pivot 21 under the unchangeable circumstances of pressure angle, alleviate the atress condition of first switching-over gear 31 and second switching-over gear 32, set up two sets of steering assembly 3 moreover and can also avoid dodging when groove 221 turns to steering assembly 3, steering assembly 3 and second runner 22 follow-up contact and then appear the circumstances of idle running, steering assembly 3 idle running can lead to the steering assembly 3 to close unable transmission between the second pivot 21, thereby influence the synchronous motion of first pivot 11 and second pivot 21.
Fig. 7 is a feedback diagram of rotational speed adjustment of the first rotating shaft 11 of the driving mechanism according to some embodiments of the present application.
In some embodiments, in order to more precisely control the rotation of the first shaft 11 and the second shaft 21, the driving mechanism further includes a detection wheel 7 drivingly connected to the first wheel 12, an encoder is disposed on the detection wheel 7, and an encoder chip is disposed on the driving member 4, where the encoder chip is capable of receiving a signal transmitted from the encoder and changing the rotation speed of the driving member 4.
As shown in fig. 2 and 7, the detecting rotating wheel 7 is meshed with the first rotating wheel 12 for transmission, an encoder is arranged on the detecting rotating wheel 7, an encoder chip is arranged on the driving member 4, and the encoder chip receives signals transmitted by the encoder to realize closed-loop control of the rotating positions of the first rotating shaft 11 and the second rotating shaft 21, which comprises the following specific processes: the target rotation angle a of the first and second rotation shafts 11 and 21 deviating from the original position is input, the encoder calculates a target code value B and transmits a signal to the encoder chip, the driving part 4 reads the code value C according to the signal harvested by the encoder chip, and outputs the required rotation speed and torque until the first and second rotation shafts 11 and 21 are rotated to the target position, i.e., c=b, and the driving part 4 stops rotating. Through setting up detection runner 7, can obtain the output rotational speed and the turned angle of first pivot 11 and second pivot 21 in real time, the rotational speed of first pivot 11 of accurate control of being convenient for improves actuating mechanism's control accuracy.
Fig. 8 is a schematic structural diagram of a steering engine according to some embodiments of the present application. Fig. 9 is an exploded view of a steering engine according to some embodiments of the present application.
On the other hand, as shown in fig. 8 to 9, the embodiment of the present application further provides a steering engine, which includes the driving mechanism and the housing 8, wherein a driving mechanism part is disposed in the housing 8, a first hole 821 is formed in the housing 8, the first connecting portion 13 and the second connecting portion 23 extend out of the first hole 821, and the driving mechanism part is fixedly connected to the housing 8.
The housing 8 provides a sealed space for the drive mechanism, and in some embodiments, as shown in fig. 8-9, the housing 8 includes an upper housing 81 and a lower housing 82, wherein the lower housing 82 is configured to secure a shaft of the drive mechanism, provide a bearing force for the drive mechanism, and the upper housing 81 is configured to form an accommodating space for the loading drive mechanism with the upper housing 81. Further alternatively, be provided with sealing member 9 in the junction of last casing 81 and lower casing 82 to guarantee the waterproof sealing performance of steering wheel, on the one hand can make the steering wheel satisfy the water sky and stride the user demand of field work, on the other hand also can make this steering wheel be applicable to bad weather such as sleet, improves its adaptive capacity and application range.
The driving mechanism is partially disposed in the housing 8, a first hole 821 is formed in the housing 8, and the first connecting portion 13 and the second connecting portion 23 extend out of the first hole 821 to be connected with the first driven member 100 and the second driven member 200. Specifically, the first hole 821 is opened on the lower housing 82. Further alternatively, a sealing member 9 is also arranged between the first rotating shaft 11, the second rotating shaft 21 and the first space, so as to improve the sealing performance of the steering engine.
The driving mechanism is fixedly connected to the housing 8, and illustratively, the driving member 4 is fixed to the lower housing 82, the rotation shafts of the detecting wheel 7, the first reversing gear 31 and the second reversing gear 32 are fixed to the lower housing 82, and the supporting member for supporting the rotation shaft of the second reduction gear 52 is fixedly connected to the lower housing 82.
The steering engine carrying the driving mechanism can complete the layout of the whole transmission system in a small space, has a simple structure and low cost, has good sealing waterproof performance, has the capability of crossing a water space, can work in the air and under water at a certain depth, and can adapt to severe environments such as rain and snow.
Fig. 10 is a schematic view of a portion of an aircraft structure provided in accordance with some embodiments of the present application. Fig. 11 is a front view of a portion of an aircraft structure provided in some embodiments of the application.
On the other hand, as shown in fig. 10 to 11, the embodiment of the present application further provides an aircraft, which includes the steering engine and the wing, and the wing is connected to the steering engine through the first connection portion 13 and the second connection portion 23.
The wing is connected with the steering engine through the first connecting part 13 and the second connecting part 23, and the connection modes of the wing, the first connecting part 13 and the second connecting part 23 are various. As shown in fig. 10 and 11, a wing is respectively sleeved outside the first connecting portion 13 and the second connecting portion 23, and the wing is connected by protruding buckles on the first connecting portion 13 and the second connecting portion 23.
Through carrying above-mentioned steering wheel, make this aircraft have good movable performance, the steering wheel can drive wing synchronous reverse motion, guarantees the equilibrium and the stability of aircraft, steering wheel overall structure is simple, the overall arrangement is compact, light in weight and bearing capacity are strong, can improve the reliability of aircraft well. In addition, the aircraft carrying the steering engine has good waterproof sealing performance, can adapt to underwater environment, completes water-air cross-domain work, can adapt to severe weather such as rain and snow, and has good adaptability and reliability.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (7)
1. A drive mechanism, comprising:
The first transmission assembly comprises a first rotating shaft, a first rotating wheel sleeved outside the first rotating shaft and a first connecting part arranged on the first rotating shaft, wherein the first connecting part is arranged at intervals with the first rotating wheel along the extending direction of the first rotating shaft, the first connecting part is used for connecting a first driven wing, and the first connecting part, the first rotating wheel and the first rotating shaft synchronously rotate;
The second transmission assembly comprises a second rotating shaft parallel to the extending direction of the first rotating shaft, a second rotating wheel sleeved outside the second rotating shaft and a second connecting part arranged on the second rotating shaft, wherein the second connecting part is arranged at intervals with the second rotating wheel along the extending direction of the second rotating shaft, the second connecting part is used for connecting a second driven wing, and the second connecting part, the second rotating wheel and the second rotating shaft synchronously rotate;
The first rotating shaft and the second rotating shaft are coaxially arranged, the second rotating shaft comprises an accommodating cavity which axially penetrates through the second rotating shaft, the first rotating shaft part is arranged in the accommodating cavity, the extending length of the first rotating shaft in the axial direction is larger than that of the second rotating shaft in the axial direction, and the first rotating wheel and the first connecting part are arranged on two sides of the extending direction of the second rotating shaft;
The reversing assembly comprises a first reversing gear and a second reversing gear which are in transmission connection, the first reversing gear is in transmission connection with the first rotating wheel, and the second reversing gear is in transmission connection with the second rotating wheel;
the driving piece is in transmission connection with the first rotating wheel through the first speed reduction assembly;
Still including the transmission connect in the detection runner of first runner, be provided with the encoder on the detection runner, be provided with the encoder chip on the driving piece, the encoder chip can receive the signal that the encoder was transferred and change the rotational speed of driving piece.
2. The drive mechanism of claim 1, wherein the drive mechanism comprises a drive mechanism,
The first speed reducing assembly comprises a first speed reducing wheel and a second speed reducing wheel which are in transmission connection, the first speed reducing wheel is connected to the output end of the driving piece, and the second speed reducing wheel is in transmission connection with the first rotating shaft;
the radius of the first speed reducing wheel is smaller than that of the second speed reducing wheel.
3. The drive mechanism of claim 2, further comprising a second reduction assembly comprising a worm gear and a worm in driving connection, the worm gear being nested in the first shaft and rotating synchronously with the first shaft, the second reduction gear being nested in the worm and rotating synchronously with the worm.
4. The drive mechanism of claim 1, wherein the reversing assembly and the first reduction assembly are disposed on either side of the first wheel in a first direction, and the second wheel includes a relief slot for receiving the first reduction assembly;
the first direction intersects with the extending direction of the first rotating shaft.
5. The driving mechanism as recited in claim 4, wherein,
The reversing assemblies are provided with a plurality of groups, and the reversing assemblies are uniformly distributed on the circumference of the first rotating wheel.
6. A steering engine, comprising the driving mechanism and a housing according to any one of claims 1-5, wherein the driving mechanism is partially disposed in the housing, a first hole is formed in the housing, the first connecting portion and the second connecting portion extend out of the first hole, and the driving mechanism is fixedly connected to the housing.
7. An aircraft comprising the steering engine of claim 6 and a wing coupled to the steering engine by the first and second connection portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410137433.5A CN117682057B (en) | 2024-01-31 | 2024-01-31 | Driving mechanism, steering engine and aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410137433.5A CN117682057B (en) | 2024-01-31 | 2024-01-31 | Driving mechanism, steering engine and aircraft |
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| CN117682057A CN117682057A (en) | 2024-03-12 |
| CN117682057B true CN117682057B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN117682057A (en) | 2024-03-12 |
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