阅读说明：本技术 无人机扭力臂旋翼机构 (Unmanned plane toggle rotor mechanism ) 是由 李涛 贾支鹏 陈帅 何晓萍 于 2019-08-30 设计创作，主要内容包括：一种无人机扭力臂旋翼机构包括定环、安装在定环上的动环、穿插在定环和动环中的主轴、连接在主轴上的桨毂、安装在桨毂两端的转轴、安装在转轴中的桨叶、连接主轴与动环的扭力臂、连接在定环上的第一拉杆、连接在第一拉杆上的舵机。本发明无人机扭力臂旋翼机构扭力臂结构为对称结构,在满足传递切向力可靠的前提下,安装和维护方便,提高了直升机安全性,避免了使用配重块带来的不良影响,延长旋翼机构配件的使用寿命。(A kind of unmanned plane toggle rotor mechanism includes determining ring, the toggle for being mounted on the rotating ring determined on ring, being interspersed in the main shaft determined in ring and rotating ring, the propeller hub being connected on main shaft, the shaft for being mounted on propeller hub both ends, the blade being mounted in shaft, connection main shaft and rotating ring, being connected to the first pull rod determined on ring, the steering engine being connected on the first pull rod.Unmanned plane toggle rotor mechanism torsion arm configuration of the present invention is symmetrical structure, under the premise of satisfaction transmitting tangential force is reliable, installs and easy to maintain, improve Helicopter Safety, it avoids using the adverse effect of clump weight bring, extends the service life of rotor mechanism accessory.)

1. a kind of unmanned plane toggle rotor mechanism, which is characterized in that the unmanned plane toggle rotor mechanism includes determining ring (1), be mounted on determine the rotating ring on ring (2), be interspersed in determine the main shaft in ring and rotating ring (3), the propeller hub (4) that is connected on main shaft, Toggle (6), the connection of the shaft (5) for being mounted on propeller hub both ends, the blade being mounted in shaft (5), connection main shaft and rotating ring Determine on ring (1) the first pull rod (7), the steering engine that is connected on the first pull rod, make to determine ring by steering engine traction the first pull rod (7) Tilted with rotating ring, the second pull rod (8) and third pull rod (9) be connected between rotating ring and shaft (5), by the second pull rod (8) and Third pull rod (9) rotates shaft (5) around propeller hub (4), and shaft rotation drives the blade angle of attack to generate variation, and main shaft (3) revolving speed is not Become, unmanned plane lift is adjusted by blade change in angle of attack.

2. unmanned plane toggle rotor mechanism according to claim 1, which is characterized in that described to determine ring (1) and rotating ring (2) Between bearing is installed, make rotating ring can relative to determine ring rotation.

3. unmanned plane toggle rotor mechanism according to claim 1, which is characterized in that main shaft (3) Cong Dinghuan (1) It is passed through in rotating ring (2), main shaft (3) and determines that oscillating bearing (10) are installed between ring and rotating ring, made to determine ring and rotating ring can be opposite In inclined main axes.

4. unmanned plane toggle rotor mechanism according to claim 1, which is characterized in that the surrounding for determining ring (1) is equal There are four connection otic placode, one end of the first pull rod (7) to be rotatably connected in otic placode for even distribution, and the other end is connected respectively to rudder On machine.

5. unmanned plane toggle rotor mechanism according to claim 1, which is characterized in that the surrounding of rotating ring (2) is uniformly divided Four pieces of connection otic placodes are furnished with, the both ends of the toggle (6) are rotatably connected to the engaging lug of two of them Relative distribution respectively On plate, it is rotatably connected respectively with the second pull rod (8) in other two connection otic placodes.

6. unmanned plane toggle rotor mechanism according to claim 1, which is characterized in that second pull rod (8) is logical It crosses third pull rod (9) to connect with shaft (5), and is rotatably connected between third bar (9) and the second pull rod (8), third pull rod (9) It is fixedly connected between shaft (5).

7. unmanned plane toggle rotor mechanism according to claim 1, which is characterized in that the propeller hub (4) is set in master The end of axis (3), and be fixedly connected using two bolts.

8. unmanned plane toggle rotor mechanism according to claim 1, which is characterized in that there are two shaft (5) tools, Be respectively sleeved at the both ends of propeller hub (4), and bearing be installed between shaft (5) and propeller hub (4), make shaft (5) and propeller hub (4) it Between be rotatably connected.

9. unmanned plane toggle rotor mechanism according to claim 1, which is characterized in that the toggle (6) is left and right Symmetrical structure comprising be rotatably connected by bolt and rotating ring (2) bearing body (601), be connected on bearing body first Bush connecting rod (602), the second sleeve connecting rod (603) being rotatably connected with first sleeve connecting rod (602) and second sleeve connecting rod The collet (604) being rotatably connected.

10. unmanned plane toggle rotor mechanism according to claim 1, which is characterized in that the collet (604) is set in On main shaft (3), and it is using bolt that collet (604) and main shaft (3) are fixed, make toggle (6) that main shaft (3) can be followed to rotate.

[technical field]

The present invention relates to unmanned plane equipment technical field, specially a kind of unmanned plane toggle rotor mechanism.

[background technique]

Unmanned plane torsion arm mechanism is used in main rotor body, and major function is to connect drive apparatus and guiding mechanism, with The circumferential load of rotor mechanism is transmitted to rotor shaft while rotating ring rotates.It is mounted on the rotating ring of unmanned plane auto-bank unit more Between rotor shaft, it can move up and down with main rotor shaft synchronous rotary and along rotor axis direction, moreover it is possible to stop in unmanned plane Main shaft is hugged in the action process such as machine, acceleration, auto-bank unit used in traditional unmanned plane has torsion arm mechanism, knot Structure feature is mostly integral mechanism, and one end is mounted on auto-bank unit rotating ring, and the other end and main shaft are connected, by auto-bank unit In load transmission to rotor shaft on rotating ring and guarantee main rotor body the operation is stable.Traditional integral type torsion arm mechanism installation In the side of rotating ring, therefore clump weight need to be installed in the corresponding other side, it is contemplated that rotation speed change, the peace of torsion arm configuration of main shaft Dress mode and the structure feature of clump weight will affect the center of gravity of torsion arm mechanism, and then the structure of clump weight and position become difficult With determination.It is not easy to install, disassemble and maintain in addition, the toggle mechanism structure equipped with clump weight is complicated, and with bushing, There is the possibility of replacement clump weight in the abrasion of the high cost components such as sleeve and loss of weight.

It can be seen that in view of the above problems, providing a kind of improved unmanned plane toggle rotor mechanism is that this field needs It solves the problems, such as.

[summary of the invention]

In view of the above-mentioned problems, unmanned plane toggle rotor mechanism torsion arm configuration of the present invention is symmetrical structure, passed meeting Pass tangential force it is reliable under the premise of, installation and it is easy to maintain, improve Helicopter Safety, avoid using clump weight bring Adverse effect extends the service life of rotor mechanism accessory.

To solve the above problems, unmanned plane toggle rotor mechanism of the present invention include determine ring, be mounted on the rotating ring determined on ring, It is interspersed in the main shaft determined in ring and rotating ring, the propeller hub being connected on main shaft, the shaft for being mounted on propeller hub both ends, is mounted in shaft Blade, connection main shaft and rotating ring toggle, be connected to the first pull rod determined on ring, the steering engine being connected on the first pull rod, Drawing the first pull rod by steering engine makes to determine ring and rotating ring inclination, and the second pull rod and third pull rod are connected between rotating ring and shaft, Rotate shaft around propeller hub by the second pull rod and third pull rod, shaft rotation drives the blade angle of attack to generate variation, the speed of mainshaft It is constant, unmanned plane lift is adjusted by blade change in angle of attack.

Further, described to determine that bearing is installed between ring and rotating ring, make rotating ring can relative to determine ring rotation.

Further, the main shaft is from determining to pass through in ring and rotating ring, main shaft and determines to be equipped with joint shaft between ring and rotating ring It holds, makes to determine ring and rotating ring can be relative to inclined main axes.

Further, the surrounding for determining ring is uniformly distributed there are four connection otic placode, and one end of the first pull rod is rotatable It is connected in otic placode, the other end is connected respectively on steering engine.

Further, the surrounding of rotating ring is evenly distributed with four pieces of connection otic placodes, and the both ends difference of the toggle is rotatable Be connected in the connection otic placode of two of them Relative distribution, in other two connection otic placodes respectively with the rotatable company of the second pull rod It connects.

Further, second pull rod passes through third pull rod and connect with shaft, and between third bar and the second pull rod It is rotatably connected, is fixedly connected between third pull rod and shaft.

Further, the propeller hub is set in main the tip of the axis, and is fixedly connected using two bolts.

Further, there are two the shaft tools, the both ends of propeller hub are respectively sleeved at, and be equipped between shaft and propeller hub Bearing makes to be rotatably connected between shaft and propeller hub.

Further, the toggle is bilateral symmetry comprising the axis being rotatably connected by bolt and rotating ring Hold body, the first sleeve connecting rod that is connected on bearing body, the second sleeve connecting rod being rotatably connected with first sleeve connecting rod, with the The collet that two bush connecting rods are rotatably connected.

Further, the collet is set on main shaft, and is fixed collet and main shaft using bolt, makes toggle can be with It is rotated with main shaft.

Furthermore unmanned plane toggle rotor mechanism torsion arm configuration of the present invention is symmetrical structure, tangential force is transmitted meeting Under the premise of reliable, install and easy to maintain, improve Helicopter Safety, avoid using the bad shadow of clump weight bring It rings, extends the service life of rotor mechanism accessory.

[Detailed description of the invention]

Fig. 1 is the structural schematic diagram of unmanned plane toggle rotor mechanism of the present invention.

Fig. 2 is the structural schematic diagram that ring and rotating ring are determined in unmanned plane toggle rotor mechanism of the present invention.

Fig. 3 is the structural schematic diagram of toggle in unmanned plane toggle rotor mechanism of the present invention.

[specific embodiment]

The direction term that the present invention is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "outside", " Side " etc. is only the direction in attached drawing, is used only to the explanation and illustration present invention, rather than protection for the purpose of limiting the invention Range.

Referring to Fig. 1 and Fig. 2, the composed structure of unmanned plane toggle rotor mechanism of the present invention is given, wherein rotor mechanism Including determine ring 1, be mounted on determine the rotating ring on ring 2, be interspersed in determine the main shaft in ring and rotating ring 3, the propeller hub being connected on main shaft 4, The blade (not shown) for being mounted on the shaft 5 at propeller hub both ends, being mounted in shaft 5 connects the toggle 6 of main shaft and rotating ring, institute Rotor mechanism is stated to further include steering engine (not shown) and connection steering engine and determine the first pull rod 7 of ring, the blade being mounted in shaft 5 (not shown).The surrounding for determining ring 1 is uniformly distributed there are four connection otic placode, and one end of the first pull rod 7 is rotatably connected to In otic placode, the other end is connected respectively on steering engine.The rotating ring 2 and determine to be rotatably connected between ring 1 by bearing, rotating ring 2 Surrounding is evenly distributed with four pieces of connection otic placodes, and the both ends of the toggle 6 are rotatably connected to two of them Relative distribution respectively Connection otic placode on, be rotatably connected two second pull rods 8 in other two connection otic placodes respectively, second pull rod 8 is logical It crosses third pull rod 9 to connect with shaft 5, and is rotatably connected between third pull rod 9 and the second pull rod 8, it is fixed between shaft 5 to connect It connects.Described to determine ring 1 and 2 inner ring of rotating ring is equipped with oscillating bearing 10, the main shaft 3 is interspersed in by oscillating bearing determines ring and rotating ring It is interior.The propeller hub 4 is set in the end of main shaft 3, and is fixedly connected by two bolts.There are two the tools of shaft 5, covers respectively The both ends of propeller hub 4 are located at, and bearing is installed between shaft 5 and propeller hub 4, make to be rotatably connected between shaft 5 and propeller hub 4.Ginseng See Fig. 3, give the composed structure of toggle 6, the toggle 6 is bilateral symmetry comprising passes through bolt and rotating ring 2 Bearing body 601 that upper ear plate is rotatably connected, the first sleeve connecting rod 602 being connected on bearing body, with first sleeve connecting rod 602 The second sleeve connecting rod 603 being rotatably connected, the collet 604 being rotatably connected with second sleeve connecting rod.The collet 604 is arranged Collet and main shaft are fixed on main shaft 3, and through screw.

The working principle of the unmanned plane toggle rotor mechanism is as follows: pull the first pull rod 7 to move downward by steering engine, The inclination of ring 1 is determined in the traction of first pull rod 7, determines ring 1 and rotating ring 2 is driven to tilt, rotating ring 2 draws the second pull rod 8 and moves downward, the second pull rod 8 haul the rotation of third pull rod 9, and 9 drive shaft 5 of third pull rod is rotated around propeller hub 4, and the rotation of shaft 5 causes to be connected to its end The blade angle of attack in portion increases, the invariablenes turning speed of main shaft 3, and the lift that the inclination angle increase of blade then generates increases.Unmanned plane of the present invention Toggle rotor mechanism torsion arm configuration is symmetrical structure, under the premise of satisfaction transmitting tangential force is reliable, installation and maintenance side Just, Helicopter Safety is improved, is avoided using clump weight bring adverse effect, extend rotor mechanism accessory uses the longevity Life.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.