CN112628304A - Clutch and oil-driven multi-rotor unmanned aerial vehicle - Google Patents
Clutch and oil-driven multi-rotor unmanned aerial vehicle Download PDFInfo
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- CN112628304A CN112628304A CN202110016422.8A CN202110016422A CN112628304A CN 112628304 A CN112628304 A CN 112628304A CN 202110016422 A CN202110016422 A CN 202110016422A CN 112628304 A CN112628304 A CN 112628304A
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- clutch
- ratchet
- transmission piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
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- General Engineering & Computer Science (AREA)
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention discloses a clutch and an oil-driven multi-rotor unmanned aerial vehicle, the clutch comprises a bearing piece, a first transmission piece, a second transmission piece and a ratchet one-way mechanism, wherein the first transmission piece is matched with the outer ring of the bearing piece, the first transmission piece is used for being in transmission connection with a driver of the oil-driven multi-rotor unmanned aerial vehicle, the second transmission piece is matched with the inner ring of the bearing piece, the second transmission piece is used for being in transmission connection with a tail shaft of an engine of the oil-driven multi-rotor unmanned aerial vehicle, the ratchet one-way mechanism is respectively matched with the first transmission piece and the second transmission piece, the ratchet one-way mechanism locks the first transmission piece and the second transmission piece in a first direction, and the ratchet one-way mechanism unlocks the first transmission piece and the second transmission piece in a second direction. The characteristic that utilizes ratchet one-way mechanism realizes one-way transmission, has guaranteed the stability that the clutch used, has prolonged the life of clutch for the clutch can be better satisfy the start-up demand when many rotor unmanned aerial vehicle of oil-drive is in multiple operating mode.
Description
Technical Field
The invention relates to the field of transmission equipment, in particular to a clutch. The invention also relates to an oil-driven multi-rotor unmanned aerial vehicle.
Background
Along with the continuous development of unmanned aerial vehicle technique, also put forward higher requirement to unmanned aerial vehicle spare part. At present, new requirements are provided on the aspects of reliability and service life of the unmanned aerial vehicle, if the engine of the unmanned aerial vehicle is electrically started, the unmanned aerial vehicle needs to frequently load loads and add fuel during operation, and the engine can be frequently started and stopped, so that higher requirements are provided for the service life of a starting device, and the service life of a main part one-way clutch serving as the starting device directly influences the service life of the starting device.
In the prior art, the one-way clutch is usually a roller pin type one-way clutch, a retainer and an engaging spring of the roller pin type one-way clutch are easy to lose efficacy, and the service condition and the service life of the one-way clutch are difficult to meet the service requirement of starting an engine of an unmanned aerial vehicle.
Disclosure of Invention
In view of the above, it is an object of the present invention to at least solve the problems in the prior art. The purpose is realized by the following technical scheme:
a first aspect of the invention proposes a clutch for a hydro-dynamic multi-rotor drone, said clutch comprising:
a bearing member;
the first transmission piece is matched with the outer ring of the bearing piece and is used for being in transmission connection with a driver of the oil-driven multi-rotor unmanned aerial vehicle;
the second transmission piece is matched with the inner ring of the bearing piece and is used for being in transmission connection with a tail shaft of an engine of the oil-driven multi-rotor unmanned aerial vehicle;
the ratchet one-way mechanism is matched with the first transmission piece and the second transmission piece respectively, the ratchet one-way mechanism locks the first transmission piece and the second transmission piece in a first direction, and the ratchet one-way mechanism unlocks the first transmission piece and the second transmission piece in a second direction.
According to the clutch, the bearing piece is provided with the inner ring, the outer ring and the rolling body, the outer ring is sleeved on the outer side of the inner ring, the rolling body is clamped between the outer ring and the inner ring, the outer ring can rotate relative to the inner ring, the first transmission piece is matched and fixed with the outer ring, the second transmission piece is matched and fixed with the inner ring, and the ratchet one-way mechanism is matched with the first transmission piece and the second transmission piece respectively. When the clutch is used for the oil-driven multi-rotor unmanned aerial vehicle, a tail shaft (a lengthening structure) of an engine of the multi-rotor unmanned aerial vehicle is matched and fixed with a second transmission piece, a first transmission piece is in transmission connection with a driver, when the engine needs to be started, the driver is started, the driver drives the first transmission piece to rotate in a first direction, the ratchet one-way mechanism locks the first transmission piece and the second transmission piece in the rotating process of the first transmission piece, so that the second transmission piece rotates synchronously with the first transmission piece and drives the tail shaft of the engine to rotate synchronously, after the tail shaft reaches the rotating speed of engine ignition, the engine ignites, after the engine operates stably, the driver stops working, the speed of the first transmission piece is gradually reduced, a speed difference is generated between the first transmission piece and the tail shaft (the first transmission piece rotates in a second direction relative to the second transmission piece), and the ratchet one-way mechanism removes the matching between the first transmission piece, the tail shaft and the second transmission piece can continuously rotate relative to the first transmission piece under the driving of the engine.
The characteristic that utilizes ratchet one-way mechanism realizes one-way transmission, has guaranteed the stability that the clutch used, has prolonged the life of clutch for the clutch can be better satisfy the start-up demand when many rotor unmanned aerial vehicle of oil-drive is in multiple operating mode.
In addition, the clutch according to the invention may also have the following additional features:
in some embodiments of the invention, the ratchet one-way mechanism comprises:
the ratchet wheel piece is sleeved on the second transmission piece;
the limiting assembly comprises a throwing block and a connecting piece, the throwing block is movably arranged on the second transmission piece through the connecting piece, a ratchet is arranged on the throwing block, the ratchet is meshed with the ratchet wheel piece in the first direction, and the ratchet is disengaged from the ratchet wheel piece in the second direction.
In some embodiments of the invention, the stop assembly further comprises:
the shaft sleeve is sleeved on the connecting piece and can rotate relative to the connecting piece, and the throwing block is sleeved on the connecting piece;
one end of the elastic piece is matched with the throwing block, and the other end of the elastic piece is matched with any one of the shaft sleeve piece, the connecting piece or the second transmission piece.
In some embodiments of the invention, the connection is a cylindrical pin;
and/or the elastic member is a torsion spring.
In some embodiments of the invention, the second transmission comprises:
the cylindrical part is inserted into the inner ring of the bearing piece, the outer wall of the cylindrical part is fixedly connected with the inner ring of the bearing piece, and the inner wall of the cylindrical part is used for being fixed with the tail shaft;
a flange portion disposed along a circumference of the cylindrical portion, the stop assembly being disposed on the flange portion.
In some embodiments of the invention, the flange portion is provided with an annular groove which surrounds the circumferential direction of the cylindrical portion, and the limiting component is arranged in the annular groove.
In some embodiments of the invention, the second transmission further comprises:
a connecting portion;
and the cover plate part is matched with the flange part through a connecting part and is used for sealing the annular groove.
In some embodiments of the invention, the number of the limiting assemblies is multiple, and the limiting assemblies are arranged at intervals along the circumferential direction of the ratchet wheel piece.
In some embodiments of the invention, the clutch further includes a gear plate, the gear plate is sleeved on the first transmission member, and the first transmission member is in transmission connection with the driver through the gear plate.
A second aspect of the present invention provides an oil-driven multi-rotor drone, including:
a clutch according to the above;
the driver is in transmission connection with the first transmission piece of the clutch;
and the tail shaft of the engine is in transmission connection with the second transmission piece of the clutch.
According to the oil-driven multi-rotor unmanned aerial vehicle, a tail shaft (an extension structure) of an engine of the multi-rotor unmanned aerial vehicle is matched and fixed with a second transmission piece, a first transmission piece is in transmission connection with a driver, when the engine needs to be started, the driver is started, the driver drives the first transmission piece to rotate in a first direction, during the rotation of the first transmission piece, a ratchet one-way mechanism locks the first transmission piece and the second transmission piece, so that the second transmission piece rotates synchronously with the first transmission piece and drives the tail shaft of the engine to rotate synchronously, after the tail shaft reaches the ignition rotation speed of the engine, the engine ignites, after the engine operates stably, the driver stops working, at the moment, the speed of the first transmission piece is gradually reduced, a speed difference is generated between the first transmission piece and the tail shaft (the first transmission piece rotates in a second direction relative to the second transmission piece), and the ratchet one-way mechanism removes the matching between the first, the tail shaft and the second transmission piece can continuously rotate relative to the first transmission piece under the driving of the engine.
The characteristic that utilizes ratchet one-way mechanism realizes one-way transmission, has guaranteed the stability that the clutch used, has prolonged the life of clutch for the clutch can be better satisfy the start-up demand when many rotor unmanned aerial vehicle of oil-drive is in multiple operating mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of an oil-powered multi-rotor drone according to an embodiment of the invention;
fig. 2 is a structural cross-sectional view of a clutch of the oil-driven multi-rotor drone shown in fig. 1;
fig. 3 is a schematic structural view of the clutch shown in fig. 2 in another attitude.
The reference numbers are as follows:
100 is an oil-driven multi-rotor unmanned plane;
10 is an engine;
20, a power supply control system;
30 is a flight control system;
40 is a remote control system;
50 is a driver;
60 is a clutch;
61 is a first transmission piece;
62 is a second transmission member;
621 is a cylindrical portion, 622 is a flange portion, 6221 is an annular groove, 623 is a connecting portion, 624 is a cover plate portion;
63 is a bearing piece;
64 is a ratchet one-way mechanism;
641 is a ratchet member, 642 is a limiting component, 6421 is a swinging block, 6422 is an elastic member, 6423 is a connecting member, and 6424 is a shaft sleeve member;
65 is a gear plate;
and 66 is a connecting bolt.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be noted that, in the case of no conflict, the features in the following embodiments and examples may be combined with each other; moreover, all other embodiments that can be derived by one of ordinary skill in the art from the embodiments disclosed herein without making any creative effort fall within the scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
As shown in fig. 1 to 3, according to an embodiment of the present invention, a clutch 60 is provided for an oil-driven multi-rotor drone 100, the clutch 60 includes a bearing member 63, a first transmission member 61, a second transmission member 62, and a ratchet one-way mechanism 64, the first transmission member 61 is engaged with an outer ring of the bearing member 63, the first transmission member 61 is configured to be in transmission connection with a driver 50 of the oil-driven multi-rotor drone 100, the second transmission member 62 is engaged with an inner ring of the bearing member 63, the second transmission member 62 is configured to be in transmission connection with a tail shaft of an engine 10 of the oil-driven multi-rotor drone 100, the ratchet one-way mechanism 64 is respectively engaged with the first transmission member 61 and the second transmission member 62, the ratchet one-way mechanism 64 locks the first transmission member 61 and the second transmission member 62 in a first direction, and the ratchet one-way mechanism 64 unlocks the first transmission member 61 and the second transmission member 62 in a second.
Specifically, the bearing element 63 has an inner ring, an outer ring, and a rolling element, the outer ring is sleeved on the outer side of the inner ring, the rolling element is clamped between the outer ring and the inner ring, the outer ring can rotate relative to the inner ring, wherein the first transmission element 61 is fixed to the outer ring in a matching manner, the second transmission element 62 is fixed to the inner ring in a matching manner, and the ratchet one-way mechanism 64 is respectively matched with the first transmission element 61 and the second transmission element 62. When the clutch 60 is used for the oil-driven multi-rotor unmanned aerial vehicle 100, a tail shaft (an elongated structure) of an engine 10 of the multi-rotor unmanned aerial vehicle is matched and fixed with the second transmission piece 62, the first transmission piece 61 is in transmission connection with the driver 50, when the engine 10 needs to be started, the driver 50 is started, the driver 50 drives the first transmission piece 61 to rotate in a first direction, the ratchet one-way mechanism 64 locks the first transmission piece 61 and the second transmission piece 62 in the rotating process of the first transmission piece 61, so that the second transmission piece 62 rotates synchronously with the first transmission piece 61 and drives the tail shaft of the engine 10 to rotate synchronously, when the tail shaft reaches the ignition rotating speed of the engine 10, the engine 10 ignites, after the engine 10 operates stably, the driver 50 stops working, at the moment, the speed of the first transmission piece 61 gradually decreases, and a speed difference is generated between the first transmission piece 61 and the tail shaft (the first transmission piece 61 rotates in a second direction relative to the second, the ratchet one-way mechanism 64 releases the engagement between the first transmission member 61 and the second transmission member 62, and the tail shaft and the second transmission member 62 can continue to rotate relative to the first transmission member 61 under the driving of the engine 10.
Utilize ratchet one-way mechanism 64's characteristics to realize one-way transmission, guaranteed the stability that clutch 60 used, prolonged clutch 60's life for clutch 60 can be better satisfy the start-up demand when many rotor unmanned aerial vehicle 100 is in multiple operating mode of oil-drive.
It should be understood that, in the present invention, the first direction is opposite to the second direction, when the first direction is clockwise, the second direction is counterclockwise, when the first direction is counterclockwise, the second direction is clockwise, when the driver 50 drives the first transmission member 61 to rotate in the first direction, the ratchet one-way mechanism 64 locks the first transmission member 61 and the second transmission member 62, so that the first transmission member 61 is fixed relative to the second transmission member 62, thereby realizing the driving of the second transmission member 62 by the driver 50, thereby realizing the driving of the tail shaft of the engine 10, when the speed of the first transmission member 61 in the first direction is less than the speed of the second transmission member 62, at this time, the first transmission member 61 rotates in the second direction relative to the second transmission member 62, the ratchet one-way mechanism 64 releases the locking of the first transmission member 61 and the second transmission member 62, so that the first transmission member 61 can rotate in the second direction relative to the second transmission member 62, thereby realizing that the engine 10 drives the tail shaft and the second transmission piece 62 to rotate independently after the vehicle is driven.
It will be further appreciated that, as shown in fig. 2 and 3, the ratchet one-way mechanism 64 includes a ratchet member 641 and a limiting component 642, the ratchet member 641 is sleeved on the second transmission member 62, the limiting component 642 includes a dump block 6421 and a connecting member 6423, the dump block 6421 is movably disposed on the second transmission member 62 through the connecting member 6423, and the dump block 6421 is provided with ratchet teeth which are engaged with the ratchet member 641 in the first direction and disengaged from the ratchet member 641 in the second direction. Specifically, the ratchet member 641 is sleeved on the first transmission member 61, and the limit component 642 is disposed on the second transmission member 62, wherein a dump block 6421 in the limit component 642 is engaged with the second connection member 6423 through a connection member 6423 and can rotate relative to the second connection member 6423, when the driver 50 drives the first transmission member 61 to rotate in the first direction, the ratchet member 641 rotates with the first transmission member 61, the ratchet on the dump block 6421 is engaged with the ratchet member 641, and at this time, the ratchet member 641 is locked with the dump block 6421, so that the first transmission member 61 is locked with the second transmission member 62, and the locking action of the clutch 60 is realized, and the power of the driver 50 can be transmitted to the tail shaft of the engine 10, thereby driving the tail shaft of the engine 10 to rotate; when the rotation speed of the tail shaft of the engine 10 reaches the starting speed, the engine 10 is ignited and started, the engine 10 continues to drive the tail shaft to rotate in the first direction, the driver 50 stops working, the throwing block 6421 is driven by the second transmission piece 62 to be acted by centrifugal force, the throwing block 6421 gradually moves in the direction away from the ratchet teeth, the ratchet wheel piece 641 is separated from the ratchet teeth of the throwing block 6421, locking of the first transmission piece 61 and the second transmission piece 62 is released, and then the clutch 60 is separated.
It should be understood that, after the ratchet one-way mechanism 64 releases the locking relationship between the first transmission member 61 and the second transmission member 62, since the first transmission member 61 is engaged with the outer ring of the bearing member 63 and the second transmission member 62 is engaged with the inner ring of the bearing member, the first transmission member 61 can rotate relative to the second transmission member 62, thereby ensuring the normal start of the engine 10.
It should be noted that the first transmission member 61 is a cylindrical member, the ratchet member 641 is fixed on the outer ring of the bearing member 63 in a sleeved manner, the cylindrical member is also fixed on the outer ring of the bearing member 63 in a sleeved manner, and meanwhile, a part of the body of the ratchet member is fixed inside the cylindrical member in an inserted manner, so that the ratchet member 641 is matched with the first transmission member 61 which is the cylindrical member, the fixing strength of the ratchet member 641 is increased, the stable and efficient operation of the ratchet member 641 is ensured, and the failure rate of the clutch 60 is reduced.
In addition, the bearing member 63 is a needle bearing, which has high support strength and high impact resistance, so that the service life of the clutch 60 is further prolonged, and the failure rate and the maintenance cost of the clutch 60 are reduced.
Further, as shown in fig. 2 and 3, the limiting assembly 642 further includes a shaft sleeve member 6424 and an elastic member 6422, the shaft sleeve member 6424 is sleeved on the connecting member 6423 and can rotate relative to the connecting member 6423, the thrower 6421 is sleeved on the connecting member 6423, one end of the elastic member 6422 is engaged with the thrower 6421, and the other end of the elastic member 6422 is engaged with any one of the shaft sleeve member 6424, the connecting member 6423, or the second transmission member 62. Specifically, the connecting member 6423 is engaged with the second transmission member 62 after passing through the sleeve member 6424, the sleeve member 6424 can rotate relative to the connecting member 6423, the dump block 6421 is sleeved on the sleeve member 6424, one end of the elastic member 6422 is engaged with the dump block 6421, the other end of the elastic member 6422 is engaged with one of the connecting member 6423, the sleeve member 6424 or the second transmission member 62, the elastic force of the elastic member 6422 is used for keeping the dump block 6421 in a state close to the ratchet wheel, when the driver 50 drives the first transmission member 61 to move in the first direction, the ratchet teeth of the dump block 6421 are clamped into the ratchet wheel member 641, the two parts are engaged to lock the first transmission member 61 and the second transmission member 62, when the first transmission member 61 moves in the second direction relative to the second transmission member 62, the speed of the second transmission member 62 is greater than that of the first transmission member 61, the dump block 6421 moves in a direction away from the ratchet wheel 641 against the elastic force of the spring under the centrifugal force, unlocking of the first transmission piece 61 and the second transmission piece 62 is achieved. When the engine 10 is stopped, the elasticity of the elastic member 6422 causes the dump block 6421 to be disposed close to the ratchet member 641 again.
Through setting up elastic component 6422 and axle sleeve piece 6424, can effectively realize getting rid of the rotation and the reseing of piece 6421 to guaranteed that ratchet one-way mechanism 64 effectively realizes locking and the unblock to first driving medium 61 and second driving medium 62.
Further, the connector 6423 is a cylindrical pin. Specifically, the cylindric lock cooperates with second connecting piece 6423, and the cooperation mode between the two is convenient for assemble and connection stability is high, has further guaranteed the effective realization of getting rid of piece 6421 action for ratchet one-way mechanism 64 can effectively play a role.
Specifically, the elastic member 6422 is a torsion spring. The torsional spring is low in cost and small in size, installation space can be saved, meanwhile, the resetting effect of the torsional spring is good, and the position of the throwing block 6421 can be effectively maintained.
Further, as shown in fig. 2 and 3, the second transmission element 62 includes a cylindrical portion 621 and a flange portion 622, the cylindrical portion 621 is inserted into the inner ring of the bearing element 63, an outer wall of the cylindrical portion 621 is fixedly connected to the inner ring of the bearing element 63, an inner wall of the cylindrical portion 621 is used for fixing with the tail shaft, the flange portion 622 is disposed along a circumferential direction of the cylindrical portion 621, and the limiting component 642 is disposed on the flange portion 622. Specifically, the flange portion 622 is formed on the radial outer side of the cylindrical portion 621 and extends to the radial outer side of the cylindrical portion 621, a tail shaft of the engine 10 is inserted into the cylindrical portion 621, the cylindrical portion 621 is fixed in an inner ring of the bearing member 63 in an inserting manner, the limiting assembly 642 is mounted on the flange portion 622, the ratchet member 641 and the second transmission member 62 are both sleeved on the outer side of the cylindrical portion 621, the throwing block 6421 of the limiting assembly 642 is matched with the flange portion 622 through the connecting member 6423, and the ratchet on the throwing block 6421 can be matched with the ratchet member 641.
It should be understood that the flange portion 622 and the cylindrical portion 621 are integrally formed by casting, and the like, so as to further ensure the overall strength of the second connecting member 6423, and improve the stability during the transmission process.
It should be noted that the limiting assembly 642 is located radially outside the ratchet member 641, wherein the dump block 6421 is disposed corresponding to the ratchet member 641, thereby ensuring that the dump block 6421 can achieve the locking and unlocking actions of the clutch 60 by approaching or departing from the ratchet.
Further, as shown in fig. 2 and 3, an annular groove 6221 is provided on the flange portion 622, the annular groove 6221 is disposed around the circumference of the cylindrical portion 621, and the stopper member 642 is disposed in the annular groove 6221. Specifically, the ratchet member is matched with the outer ring of the bearing member 63 and the first transmission member 61, the cylindrical portion 621 of the second transmission member 62 is inserted into the inner ring of the bearing member 63, the ratchet member 641 is located in the annular groove 6221, and the limiting component 642 is arranged in the annular groove 6221, so that locking and unlocking actions of the limiting component and the ratchet member 641 are effectively realized, and effective actions of the clutch 60 are ensured.
Further, as shown in fig. 2 and 3, the second transmission piece 62 further includes a connecting portion 623 and a cover plate portion 624, and the cover plate portion 624 is engaged with the flange portion 622 through the connecting portion 623 for closing the annular groove 6221. Specifically, the cover plate portion 624 is used to close the annular groove 6221 of the flange portion 622 and is fixed by the connecting portion 623, so that the ratchet one-way mechanism 64 is closed in the annular groove 6221, further avoiding the influence of the external environment on the ratchet one-way mechanism 64, so that the service life of the clutch 60 is further extended.
It should be noted that the connecting portion 623 is a screw, a rivet, or the like, and the connecting portion 623 is a screw, a rivet, or the like, so as to detachably connect the cover plate portion 624 and the flange portion 622, thereby improving the convenience of maintenance of the ratchet one-way mechanism 64.
Further, as shown in fig. 3, the number of the limiting assemblies 642 is plural, and a plurality of the limiting assemblies 642 are arranged at intervals along the circumference of the ratchet member 641. Specifically, a plurality of limiting assemblies 642 are arranged along the circumferential direction of the ratchet member 641 at intervals, and when the first transmission member 61 and the second transmission member 62 are in a locking state under the action of the ratchet one-way mechanism 64, the locking strength can be effectively improved, and the stability of power transmission is ensured.
It should be noted that, in the present invention, the number of the limiting assemblies 642 is two, and the two limiting assemblies 642 are spaced by 180 ° along the circumferential direction of the ratchet member 641, so as to ensure the locking strength of the first transmission member 61 and the second transmission member 62.
Further, as shown in fig. 2 and 3, the clutch 60 further includes a gear plate 65, the gear plate 65 is sleeved on the first transmission member 61, and the first transmission member 61 is in transmission connection with the driver 50 through the gear plate 65. Specifically, the clutch 60 further comprises a gear plate 65 and connecting bolts 66, the number of the connecting bolts 66 is multiple, the gear plate 65 is in flange connection with the first transmission piece 61 through the connecting bolts 66, the gear plate 65 and the driver 50 are in transmission in a meshed mode, so that the transmission stability is ensured, the strength of the mode that the connecting bolts 66 are used for flange connection of the gear plate 65 and the first transmission piece 61 of the shell is high, and the power transmission stability of the clutch 60 is effectively ensured.
The invention also provides an oil-driven multi-rotor unmanned aerial vehicle 100, as shown in fig. 1 to 3, the oil-driven multi-rotor unmanned aerial vehicle 100 comprises a clutch 60, a driver 50 and an engine 10, the clutch 60 is the clutch 60, the driver 50 is in transmission connection with a first transmission piece 61 of the clutch 60, and a tail shaft of the engine 10 is in transmission connection with a second transmission piece 62 of the clutch 60.
Specifically, a tail shaft (an elongated structure) of an engine 10 of the multi-rotor unmanned aerial vehicle is matched and fixed with a second transmission piece 62, the first transmission piece 61 is in transmission connection with the driver 50, when the engine 10 needs to be started, the driver 50 is started, the driver 50 drives the first transmission piece 61 to rotate in a first direction, during the rotation of the first transmission piece 61, the ratchet one-way mechanism 64 locks the first transmission piece 61 and the second transmission piece 62, so that the second transmission piece 62 rotates synchronously with the first transmission piece 61 and drives the tail shaft of the engine 10 to rotate synchronously, after the tail shaft reaches the rotation speed of the ignition of the engine 10, the engine 10 ignites, after the operation of the engine 10 is stable, the driver 50 stops working, at the moment, the speed of the first transmission piece 61 is gradually reduced, and a speed difference is generated between the first transmission piece 61 and the tail shaft (the first transmission piece 61 rotates in a second direction relative to the second, the ratchet one-way mechanism 64 releases the engagement between the first transmission member 61 and the second transmission member 62, and the tail shaft and the second transmission member 62 can continue to rotate relative to the first transmission member 61 under the driving of the engine 10.
Utilize ratchet one-way mechanism 64's characteristics to realize one-way transmission, guaranteed the stability that clutch 60 used, prolonged clutch 60's life for clutch 60 can be better satisfy the start-up demand when many rotor unmanned aerial vehicle 100 is in multiple operating mode of oil-drive.
It should be noted that the driver 50 is a servo motor, and the servo motor is convenient to control, thereby effectively improving the control accuracy.
In addition, the oil-driven multi-rotor unmanned aerial vehicle 100 further comprises a power supply control system 20, a flight control system 30 and a remote control system 40, a starting signal is sent to the flight control system 30 through the remote control system 40, the flight control system 30 controls a power supply module to supply power to a driver 50, the driver 50 works to drive the clutch 60 to rotate, a wedge block in the clutch 60 locks a tail shaft of the engine 10 to drive the tail shaft to rotate, a rotating speed signal of the engine 10 is transmitted to the flight control system 30, the flight control system 30 controls the ignition system of the engine 10 to ignite, so that the engine 10 works, the flight control system 30 cuts off the power supply of the motor after the engine 10 is stabilized, the driver 50 and the clutch 60 stop working, the clutch 60 releases the tail shaft of the engine 10, and the tail shaft of the engine 10 continues to rotate independently in the direction.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A clutch for oil moves many rotor unmanned aerial vehicle, its characterized in that, the clutch includes:
a bearing member;
the first transmission piece is matched with the outer ring of the bearing piece and is used for being in transmission connection with a driver of the oil-driven multi-rotor unmanned aerial vehicle;
the second transmission piece is matched with the inner ring of the bearing piece and is used for being in transmission connection with a tail shaft of an engine of the oil-driven multi-rotor unmanned aerial vehicle;
the ratchet one-way mechanism is matched with the first transmission piece and the second transmission piece respectively, the ratchet one-way mechanism locks the first transmission piece and the second transmission piece in a first direction, and the ratchet one-way mechanism unlocks the first transmission piece and the second transmission piece in a second direction.
2. The clutch of claim 1, wherein the ratchet one-way mechanism comprises:
the ratchet wheel piece is sleeved on the second transmission piece;
the limiting assembly comprises a throwing block and a connecting piece, the throwing block is movably arranged on the second transmission piece through the connecting piece, a ratchet is arranged on the throwing block, the ratchet is meshed with the ratchet wheel piece in the first direction, and the ratchet is disengaged from the ratchet wheel piece in the second direction.
3. The clutch of claim 2, wherein the limit assembly further comprises:
the shaft sleeve is sleeved on the connecting piece and can rotate relative to the connecting piece, and the throwing block is sleeved on the connecting piece;
one end of the elastic piece is matched with the throwing block, and the other end of the elastic piece is matched with any one of the shaft sleeve piece, the connecting piece or the second transmission piece.
4. The clutch of claim 3, wherein the connecting member is a cylindrical pin;
and/or the elastic member is a torsion spring.
5. A clutch according to claim 2, in which the second transmission comprises:
the cylindrical part is inserted into the inner ring of the bearing piece, the outer wall of the cylindrical part is fixedly connected with the inner ring of the bearing piece, and the inner wall of the cylindrical part is used for being fixed with the tail shaft;
a flange portion disposed along a circumference of the cylindrical portion, the stop assembly being disposed on the flange portion.
6. The clutch of claim 5, wherein the flange portion defines an annular groove disposed circumferentially about the cylindrical portion, and wherein the spacing assembly is disposed within the annular groove.
7. The clutch of claim 6, wherein the second transmission further comprises:
a connecting portion;
and the cover plate part is matched with the flange part through a connecting part and is used for sealing the annular groove.
8. A clutch according to any one of claims 2 to 7 wherein the number of the spacing assemblies is plural, and plural spacing assemblies are provided at intervals along the circumference of the ratchet member.
9. The clutch of any one of claims 2 to 7, further comprising a gear plate, wherein the gear plate is sleeved on the first transmission member, and the first transmission member is in transmission connection with the driver through the gear plate.
10. The utility model provides an oil moves many rotor unmanned aerial vehicle, its characterized in that, oil moves many rotor unmanned aerial vehicle includes:
a clutch according to any one of claims 1 to 9;
the driver is in transmission connection with the first transmission piece of the clutch;
and the tail shaft of the engine is in transmission connection with the second transmission piece of the clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110016422.8A CN112628304A (en) | 2021-01-07 | 2021-01-07 | Clutch and oil-driven multi-rotor unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110016422.8A CN112628304A (en) | 2021-01-07 | 2021-01-07 | Clutch and oil-driven multi-rotor unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112628304A true CN112628304A (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110016422.8A Pending CN112628304A (en) | 2021-01-07 | 2021-01-07 | Clutch and oil-driven multi-rotor unmanned aerial vehicle |
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| Country | Link |
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| CN (1) | CN112628304A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059700A (en) * | 2022-06-30 | 2022-09-16 | 沈阳卓越汽车科技有限公司 | Vehicle sliding energy-saving device |
-
2021
- 2021-01-07 CN CN202110016422.8A patent/CN112628304A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059700A (en) * | 2022-06-30 | 2022-09-16 | 沈阳卓越汽车科技有限公司 | Vehicle sliding energy-saving device |
| CN115059700B (en) * | 2022-06-30 | 2023-06-30 | 沈阳卓越汽车科技有限公司 | Vehicle sliding energy-saving device |
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