CN111017196A - Coaxial type bending and twisting same-transmission control surface transmission mechanism - Google Patents
Coaxial type bending and twisting same-transmission control surface transmission mechanism Download PDFInfo
- Publication number
- CN111017196A CN111017196A CN201911144760.9A CN201911144760A CN111017196A CN 111017196 A CN111017196 A CN 111017196A CN 201911144760 A CN201911144760 A CN 201911144760A CN 111017196 A CN111017196 A CN 111017196A
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- control surface
- bearing
- transmission
- steering engine
- rib
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/24—Transmitting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/24—Transmitting means
- B64C13/38—Transmitting means with power amplification
- B64C13/50—Transmitting means with power amplification using electrical energy
Abstract
The invention provides a design scheme of a coaxial cranked and simultaneously-transmitted control surface transmission mechanism, which aims to solve the inherent defects of a common pull rod rocker arm type control surface transmission mechanism of an airplane adopting wing profiles with medium and above thicknesses and is characterized in that: steering wheel, steering wheel installation rib, bearing, retaining ring, shaft coupling, transmission spline, control surface, joint bearing, pivot pin, control surface installation rib and organism back beam, the steering wheel links to each other with the shaft coupling, be provided with bearing on the shaft coupling, retaining ring bearing sets up in the bearing outside, be provided with steering wheel installation rib on the retaining ring bearing, steering wheel installation rib links to each other with the transmission spline, transmission spline one side is the control surface, be provided with the pivot pin on the control surface, the pivot pin is connected with joint bearing, joint bearing links to each other with control surface installation rib, control surface installation rib is connected with the organism back beam.
Description
Technical Field
The invention relates to the field of aviation manufacturing, in particular to a coaxial crankle and transmission control surface transmission mechanism.
Background
At present, the common control surface transmission modes of manned airplanes or medium-sized and large-sized unmanned planes are all pull rod rocker arm type transmission mechanisms. The form transmission mechanism can be divided into forms of driving a control surface pull rod by an electric steering engine output torsion rocker arm or directly driving a control surface rocker arm by a hydraulic actuator cylinder, and the like, and the control surface transmission form has the following defects:
1) the pull rod rocker arm structure inevitably causes the transmission mechanism to protrude the appearance of the control surface and the appearance of the airfoil surface where the transmission mechanism is located, and rectification bulges are required to be designed between the output end of the steering engine and the control surface rocker arm respectively, so that the bulges reduce the effective lifting area of the airfoil surface and the control surface of the airplane, reduce the control efficiency of the control surface and increase the aerodynamic resistance in the flight process;
2) the transmission path formed by the pull rod rocker arm structure is long. The mechanism has more accessories, so that the transmission structure has larger weight on one hand, and the transmission precision is influenced on the other hand;
3) for an airplane with stealth performance requirements, unnecessary reflection and scattering can be increased by front and rear rectification bulges formed by a pull rod rocker arm structure, and stealth performance is affected.
Disclosure of Invention
In order to overcome the defects of the pull rod rocker arm type control surface transmission mechanism, the invention provides a coaxial type crankle co-transmission control surface transmission mechanism, aiming at the control surface adopting wing shapes with medium or more thicknesses, and provides a control surface transmission mechanism design which has higher transmission precision and efficiency, lighter structural weight, less influence on the aerodynamic performance of the wing surface and the control surface operation efficiency and is beneficial to improving the local stealth characteristic.
A coaxial type crankle and control surface transmission mechanism is characterized in that: steering wheel, steering wheel installation rib, bearing, retaining ring, shaft coupling, transmission spline, control surface, joint bearing, pivot pin, control surface installation rib and organism back beam, the steering wheel links to each other with the shaft coupling, be provided with bearing on the shaft coupling, retaining ring bearing sets up in the bearing outside, be provided with steering wheel installation rib on the retaining ring bearing, steering wheel installation rib links to each other with the transmission spline, transmission spline one side is the control surface, be provided with the pivot pin on the control surface, the pivot pin is connected with joint bearing, joint bearing links to each other with control surface installation rib, control surface installation rib is connected with the organism back beam.
The steering engine and the control surface rotating shaft are coaxially arranged and are respectively connected with the rear beam of the engine body through a steering engine mounting rib and a control surface mounting rib.
The steering engine output end is a splined hole coaxial with the control surface rotating shaft, and coaxial transmission is achieved through the coupler and the transmission spline and the control surface.
The two ends of the coupler are respectively matched with the steering engine and the transmission spline through splines, and the middle section of the coupler is matched with the steering engine mounting rib through a needle bearing.
The other end of the control surface is matched with a rotating shaft pin through a joint bearing, and the rotating shaft pin acts on the control surface mounting rib and is connected through a bolt.
Torsion moment generated by load borne by the control surface is coaxially provided by the steering engine through the coupler and the transmission spline, and the steering engine base is installed on the steering engine installation rib to bear reaction torque.
One end of the shearing force and the bending moment generated by the load borne by the control surface is transmitted to the steering engine mounting rib through the transmission spline, the coupler and the needle roller bearing and then diffused to the rear beam of the machine body, and the other end of the shearing force and the bending moment is transmitted to the control surface mounting rib through the joint bearing and the rotating shaft pin and then diffused to the machine body.
The working principle is as follows:
1) the control surface supporting structure is changed from a common front edge distributed mounting joint into two-side rotating shaft support, and the wing surface or the machine body for mounting the control surface does not need to be provided with a distributed joint on a back beam; mounting ribs are respectively designed on two sides of the control surface to support rotating shafts at two ends of the control surface; wherein one end installation rib outside reserves installation space for the steering wheel.
2) As shown in fig. 4, metal end ribs are respectively arranged at two ends of the control surface, wherein a transmission spline is designed at the position of a rotating shaft by one end rib, the cylindrical surface of the outer ring of the transmission spline is in transition fit with an end rib shaft hole, and a lug piece is designed at the end surface outside the transmission spline and is mechanically connected with a web plate of the end rib of the control surface to transmit torque; the other side end rib is provided with a joint bearing at the rotating shaft, the outer ring of the bearing is in interference fit with the end rib shaft hole to prevent the bearing from falling off, and the inner ring of the bearing is in clearance fit with the rotating shaft pin to ensure free disassembly; the control surface skin and the internal structure have no special requirements, and can be freely designed according to the strength and rigidity requirements.
3) The inner end of the coupler is matched with an inner hole of the control surface transmission spline, and the load of the control surface is transmitted to the coupler through the transmission spline; the middle section of the coupler is in interference fit with the inner ring of the needle bearing, and the outer ring of the needle bearing is in interference fit with the control surface mounting rib; the control surface bending moment and the shearing force are transmitted to the steering engine mounting rib through the needle bearing; the outer end of the coupler is matched with an output shaft of the steering engine, and torque generated by the load of the control surface and driving force for deflection of the control surface are borne by the steering engine.
4) The steering engine and the control surface rotating shaft are coaxially arranged, and the output end of the steering engine is a splined hole; the steering engine is mechanically connected and installed on a steering engine installation rib web plate, a positioning pin is arranged on a steering engine base, and a positioning hole is formed in the steering engine installation rib to control the installation posture of the steering engine; a cover is arranged on the surface of the body in the steering engine mounting area;
5) the pivot pin is in clearance fit with the control surface joint bearing and in clearance fit with the support hole of the control surface mounting rib; the outer end of the rotating shaft pin is provided with a lug which is mechanically connected with the control surface installation rib web; a cover is arranged on the surface of the machine body outside the rotating shaft pin so as to facilitate the disassembly and maintenance of the control surface.
The invention has the following beneficial effects:
1. the invention does not need to arrange a transmission mechanism outside the outer surface of the machine body, eliminates bulges on the airfoil surface and the control surface, improves the effective area of the airfoil surface and the control surface and reduces the resistance. Meanwhile, the local stealth performance of the airplane is improved.
2. The steering engine and the control surface are in coaxial transmission, the transmission path is short, the number of accessories is small, the structural weight is reduced, and the transmission efficiency is improved.
3. The steering engine and the control surface of the invention are respectively in spline transmission with the shaft coupling, and the transmission precision is high and the error is small.
4. The invention adopts two-end support and combines the needle bearing and the joint bearing, the load transmission path is clear, the assembly and the positioning are simple and easy, and the disassembly, the assembly and the maintenance are simple and convenient.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a typical coaxial torque and rudder surface drive design;
FIG. 2 is a schematic illustration of a disassembled part of a typical coaxial torque and rudder surface transmission mechanism;
FIG. 3 is a schematic diagram of a coaxial torque-transmitting control surface transmission mechanism;
FIG. 4 is a characteristic diagram of a typical part of a coaxial cranked co-rotating control surface transmission mechanism;
FIG. 5 is a characteristic diagram of a typical part of a coaxial cranked co-rotating control surface transmission mechanism;
FIG. 6 is a characteristic diagram of a typical part of a coaxial cranked co-rotating control surface transmission mechanism;
fig. 7 is a schematic diagram of a typical railing rocker arm control surface drive mechanism.
Reference numerals:
1. the steering engine comprises a steering engine body 2, a steering engine mounting rib 3, a needle bearing 4, a retainer ring 5, a coupler 6, a transmission spline 7, a control surface 8, a joint bearing 9, a rotating shaft pin 10, a control surface mounting rib 11, a machine body back beam 12 and a bolt group.
Detailed Description
Example 1:
a coaxial type crankle and control surface 7 transmission mechanism is characterized in that: steering wheel 1, steering wheel installation rib 2, bearing 3, retaining ring 4, shaft coupling 5, transmission spline 6, control surface 7, joint bearing 8, pivot pin 9, control surface installation rib 10 and organism back beam 11, steering wheel 1 links to each other with shaft coupling 5, be provided with bearing 3 on the shaft coupling 5, retaining ring 4 bearing sets up in the bearing 3 outside, be provided with steering wheel installation rib 2 on the retaining ring 4 bearing, steering wheel installation rib 2 links to each other with transmission spline 6, 6 one side of transmission spline is control surface 7, be provided with pivot pin 9 on the control surface 7, pivot pin 9 is connected with joint bearing 8, joint bearing 8 links to each other with control surface installation rib 10, control surface installation rib 10 is connected with organism back beam 11.
The steering engine 1 and the control surface 7 are coaxially arranged in a rotating shaft mode and are respectively connected with a rear beam 11 of the engine body through a steering engine mounting rib 2 and a control surface mounting rib 10.
Example 2:
a coaxial type crankle and control surface 7 transmission mechanism is characterized in that: steering wheel 1, steering wheel installation rib 2, bearing 3, retaining ring 4, shaft coupling 5, transmission spline 6, control surface 7, joint bearing 8, pivot pin 9, control surface installation rib 10 and organism back beam 11, steering wheel 1 links to each other with shaft coupling 5, be provided with bearing 3 on the shaft coupling 5, retaining ring 4 bearing sets up in the bearing 3 outside, be provided with steering wheel installation rib 2 on the retaining ring 4 bearing, steering wheel installation rib 2 links to each other with transmission spline 6, 6 one side of transmission spline is control surface 7, be provided with pivot pin 9 on the control surface 7, pivot pin 9 is connected with joint bearing 8, joint bearing 8 links to each other with control surface installation rib 10, control surface installation rib 10 is connected with organism back beam 11.
The steering engine 1 and the control surface 7 are coaxially arranged in a rotating shaft mode and are respectively connected with a rear beam 11 of the engine body through a steering engine mounting rib 2 and a control surface mounting rib 10.
The other end of the control surface 7 is matched with a rotating shaft pin 9 through a joint bearing 8, and the rotating shaft pin 9 acts on a control surface mounting rib 10 and is connected through a bolt.
Torsion moment generated by load borne by the control surface 7 is coaxially provided by the steering engine 1 through the coupler 5 and the transmission spline 6, and the base of the steering engine 1 is installed on the steering engine installation rib 2.
Example 3:
a coaxial type crankle and control surface 7 transmission mechanism is characterized in that: steering wheel 1, steering wheel installation rib 2, bearing 3, retaining ring 4, shaft coupling 5, transmission spline 6, control surface 7, joint bearing 8, pivot pin 9, control surface installation rib 10 and organism back beam 11, steering wheel 1 links to each other with shaft coupling 5, be provided with bearing 3 on the shaft coupling 5, retaining ring 4 bearing sets up in the bearing 3 outside, be provided with steering wheel installation rib 2 on the retaining ring 4 bearing, steering wheel installation rib 2 links to each other with transmission spline 6, 6 one side of transmission spline is control surface 7, be provided with pivot pin 9 on the control surface 7, pivot pin 9 is connected with joint bearing 8, joint bearing 8 links to each other with control surface installation rib 10, control surface installation rib 10 is connected with organism back beam 11.
The steering engine 1 and the control surface 7 are coaxially arranged in a rotating shaft mode and are respectively connected with a rear beam 11 of the engine body through a steering engine mounting rib 2 and a control surface mounting rib 10.
The output end of the steering engine 1 is a splined hole coaxial with the rotating shaft of the control surface 7, and coaxial transmission is realized between the splined hole and the control surface 7 through a coupler 5 and a transmission spline 6.
The other end of the control surface 7 is matched with a rotating shaft pin 9 through a joint bearing 8, and the rotating shaft pin 9 acts on a control surface mounting rib 10 and is connected through a bolt.
Torsion moment generated by load borne by the control surface 7 is coaxially provided by the steering engine 1 through the coupler 5 and the transmission spline 6, and the base of the steering engine 1 is installed on the steering engine installation rib 2.
Example 4:
a coaxial type crankle and control surface 7 transmission mechanism is characterized in that: steering wheel 1, steering wheel installation rib 2, bearing 3, retaining ring 4, shaft coupling 5, transmission spline 6, control surface 7, joint bearing 8, pivot pin 9, control surface installation rib 10 and organism back beam 11, steering wheel 1 links to each other with shaft coupling 5, be provided with bearing 3 on the shaft coupling 5, retaining ring 4 bearing sets up in the bearing 3 outside, be provided with steering wheel installation rib 2 on the retaining ring 4 bearing, steering wheel installation rib 2 links to each other with transmission spline 6, 6 one side of transmission spline is control surface 7, be provided with pivot pin 9 on the control surface 7, pivot pin 9 is connected with joint bearing 8, joint bearing 8 links to each other with control surface installation rib 10, control surface installation rib 10 is connected with organism back beam 11.
The steering engine 1 and the control surface 7 are coaxially arranged in a rotating shaft mode and are respectively connected with a rear beam 11 of the engine body through a steering engine mounting rib 2 and a control surface mounting rib 10.
The output end of the steering engine 1 is a splined hole coaxial with the rotating shaft of the control surface 7, and coaxial transmission is realized between the splined hole and the control surface 7 through a coupler 5 and a transmission spline 6.
Two ends of the coupler 5 are respectively in spline fit with the steering engine 1 and the transmission spline 6, and the middle section of the coupler 5 is matched with the steering engine mounting rib 2 through the needle bearing 3.
Torsion moment generated by load borne by the control surface 7 is coaxially provided by the steering engine 1 through the coupler 5 and the transmission spline 6, and the base of the steering engine 1 is installed on the steering engine installation rib 2.
Example 5:
a coaxial type crankle and control surface 7 transmission mechanism is characterized in that: steering wheel 1, steering wheel installation rib 2, bearing 3, retaining ring 4, shaft coupling 5, transmission spline 6, control surface 7, joint bearing 8, pivot pin 9, control surface installation rib 10 and organism back beam 11, steering wheel 1 links to each other with shaft coupling 5, be provided with bearing 3 on the shaft coupling 5, retaining ring 4 bearing sets up in the bearing 3 outside, be provided with steering wheel installation rib 2 on the retaining ring 4 bearing, steering wheel installation rib 2 links to each other with transmission spline 6, 6 one side of transmission spline is control surface 7, be provided with pivot pin 9 on the control surface 7, pivot pin 9 is connected with joint bearing 8, joint bearing 8 links to each other with control surface installation rib 10, control surface installation rib 10 is connected with organism back beam 11.
The steering engine 1 and the control surface 7 are coaxially arranged in a rotating shaft mode and are respectively connected with a rear beam 11 of the engine body through a steering engine mounting rib 2 and a control surface mounting rib 10.
The output end of the steering engine 1 is a splined hole coaxial with the rotating shaft of the control surface 7, and coaxial transmission is realized between the splined hole and the control surface 7 through a coupler 5 and a transmission spline 6.
Two ends of the coupler 5 are respectively in spline fit with the steering engine 1 and the transmission spline 6, and the middle section of the coupler 5 is matched with the steering engine mounting rib 2 through the needle bearing 3.
The other end of the control surface 7 is matched with a rotating shaft pin 9 through a joint bearing 8, and the rotating shaft pin 9 acts on a control surface mounting rib 10 and is connected through a bolt.
Example 6:
a coaxial type crankle and control surface 7 transmission mechanism is characterized in that: steering wheel 1, steering wheel installation rib 2, bearing 3, retaining ring 4, shaft coupling 5, transmission spline 6, control surface 7, joint bearing 8, pivot pin 9, control surface installation rib 10 and organism back beam 11, steering wheel 1 links to each other with shaft coupling 5, be provided with bearing 3 on the shaft coupling 5, retaining ring 4 bearing sets up in the bearing 3 outside, be provided with steering wheel installation rib 2 on the retaining ring 4 bearing, steering wheel installation rib 2 links to each other with transmission spline 6, 6 one side of transmission spline is control surface 7, be provided with pivot pin 9 on the control surface 7, pivot pin 9 is connected with joint bearing 8, joint bearing 8 links to each other with control surface installation rib 10, control surface installation rib 10 is connected with organism back beam 11.
The steering engine 1 and the control surface 7 are coaxially arranged in a rotating shaft mode and are respectively connected with a rear beam 11 of the engine body through a steering engine mounting rib 2 and a control surface mounting rib 10.
The output end of the steering engine 1 is a splined hole coaxial with the rotating shaft of the control surface 7, and coaxial transmission is realized between the splined hole and the control surface 7 through a coupler 5 and a transmission spline 6.
Two ends of the coupler 5 are respectively in spline fit with the steering engine 1 and the transmission spline 6, and the middle section of the coupler 5 is matched with the steering engine mounting rib 2 through the needle bearing 3.
The other end of the control surface 7 is matched with a rotating shaft pin 9 through a joint bearing 8, and the rotating shaft pin 9 acts on a control surface mounting rib 10 and is connected through a bolt.
Torsion moment generated by load borne by the control surface 7 is coaxially provided by the steering engine 1 through the coupler 5 and the transmission spline 6, and the base of the steering engine 1 is installed on the steering engine installation rib 2.
Referring to the attached drawings 1, 2 and 3, firstly, after a steering engine mounting rib and a control surface mounting rib are positioned on a tooling frame through a rotating shaft positioner, the steering engine mounting rib and the control surface mounting rib are mechanically connected with a rear beam of a machine body; then removing the tool positioner, respectively installing the transmission spline and the joint bearing in a matched manner with the control surface, integrally translating to an installation position, and inserting the shaft coupling into the control surface transmission spline from the outer side of the steering engine installation rib after matching with the needle roller bearing, wherein the needle roller bearing is matched with the shaft hole of the steering engine installation rib; then the retainer rings are sleeved in sequence, the steering engine and the coupler are sleeved, the attitude is positioned by using the positioning pins, and the steering engine mounting ribs are fixed through the bolt groups. Finally, the rotating shaft pin penetrates into the inner hole of the joint bearing from the outer side of the control surface mounting rib and is fixed with the control surface mounting rib by a bolt; thus forming a group of complete airplane control surface installation and transmission mechanisms. The control surface is respectively arranged on the control surface mounting rib and the steering engine mounting rib through rotating shafts at two ends, and the load transfer path is clear; the steering engine coaxially provides driving torque for the control surface through the coupler, accurate deflection of the control surface in a mechanical limit range of the steering engine can be achieved, and if the rotation angle of the steering engine is not limited, the rotation angle is +/-90 degrees.
What has been described above is merely a preferred example of the present invention. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the principle of the present invention, and the protection scope of the present invention should be regarded as belonging to the protection scope of the present invention.
Claims (6)
1. A coaxial type crankle and control surface transmission mechanism is characterized in that: the steering gear is characterized by comprising a steering gear (1), steering gear mounting ribs (2), needle roller bearings (3), check rings (4), a coupler (5), a transmission spline (6), a control surface (7), a joint bearing (8), a rotating shaft pin (9), control surface mounting ribs (10) and a machine body back beam (11), wherein the steering gear (1) is connected with the coupler (5), the needle roller bearings (3) are arranged on the coupler (5), the bearings of the check rings (4) are arranged outside the needle roller bearings (3), the steering gear mounting ribs (2) are arranged on the bearings of the check rings (4), the steering gear mounting ribs (2) are connected with the transmission spline (6), the control surface (7) is arranged on one side of the transmission spline (6), a rotating shaft pin (9) is arranged on the control surface (7), the rotating shaft pin (9) is connected with the joint bearing (8), the joint bearing (8) is connected with the control surface mounting ribs (10), the control surface mounting rib (10) is connected with a rear beam (11) of the machine body.
2. The coaxial cranked co-rotating control surface transmission mechanism according to claim 1, characterized in that: the steering engine (1) and the control surface (7) are coaxially arranged in a rotating shaft mode and are respectively connected with a rear beam (11) of the engine body through a steering engine mounting rib (2) and a control surface mounting rib (10).
3. The coaxial cranked co-rotating control surface transmission mechanism according to claim 1, characterized in that: the output end of the steering engine (1) is a splined hole coaxial with the rotating shaft of the control surface (7), and coaxial transmission is realized between the splined hole and the control surface (7) through a coupler (5) and a transmission spline (6).
4. The coaxial cranked co-rotating control surface transmission mechanism according to claim 1, characterized in that: two ends of the coupler (5) are respectively matched with the steering engine (1) and the transmission spline (6) through splines, and the middle section of the coupler (5) is matched with the steering engine mounting rib (2) through the needle roller bearing (3).
5. The coaxial cranked co-rotating control surface transmission mechanism according to claim 1, characterized in that: the other end of the control surface (7) is matched with a rotating shaft pin (9) through a joint bearing (8), and the rotating shaft pin (9) acts on the control surface mounting rib (10) and is connected through a bolt.
6. The coaxial cranked co-rotating control surface transmission mechanism according to claim 1, characterized in that: torsion moment generated by load borne by the control surface (7) is coaxially provided by the steering engine (1) through the coupler (5) and the transmission spline (6), and the steering engine (1) is arranged on the steering engine mounting rib (2) through a base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144760.9A CN111017196A (en) | 2019-11-21 | 2019-11-21 | Coaxial type bending and twisting same-transmission control surface transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144760.9A CN111017196A (en) | 2019-11-21 | 2019-11-21 | Coaxial type bending and twisting same-transmission control surface transmission mechanism |
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| Publication Number | Publication Date |
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| CN111017196A true CN111017196A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911144760.9A Pending CN111017196A (en) | 2019-11-21 | 2019-11-21 | Coaxial type bending and twisting same-transmission control surface transmission mechanism |
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| CN (1) | CN111017196A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173072A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Control surface control mechanism of high-speed helicopter |
| CN113267092A (en) * | 2021-06-02 | 2021-08-17 | 哈尔滨工业大学 | Deflection warhead deformation skin structure |
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|---|---|---|---|---|
| CN204433036U (en) * | 2014-12-19 | 2015-07-01 | 成都飞机设计研究所 | Without bulge aircraft aileron structure |
| US20170276183A1 (en) * | 2016-03-24 | 2017-09-28 | Goodrich Actuation Systems Limited | Torque limiting device |
| CN207496918U (en) * | 2017-11-30 | 2018-06-15 | 江西洪都航空工业集团有限责任公司 | A kind of thin airfoil rudder face drive mechanism |
| CN209126952U (en) * | 2018-09-30 | 2019-07-19 | 成都飞机工业（集团）有限责任公司 | A kind of close coupled type bending point biography rudder face transmission mechanism |
| CN112550674A (en) * | 2020-12-16 | 2021-03-26 | 北京北航天宇长鹰无人机科技有限公司 | Control surface transmission mechanism and unmanned aerial vehicle |
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2019
- 2019-11-21 CN CN201911144760.9A patent/CN111017196A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204433036U (en) * | 2014-12-19 | 2015-07-01 | 成都飞机设计研究所 | Without bulge aircraft aileron structure |
| US20170276183A1 (en) * | 2016-03-24 | 2017-09-28 | Goodrich Actuation Systems Limited | Torque limiting device |
| CN207496918U (en) * | 2017-11-30 | 2018-06-15 | 江西洪都航空工业集团有限责任公司 | A kind of thin airfoil rudder face drive mechanism |
| CN209126952U (en) * | 2018-09-30 | 2019-07-19 | 成都飞机工业（集团）有限责任公司 | A kind of close coupled type bending point biography rudder face transmission mechanism |
| CN112550674A (en) * | 2020-12-16 | 2021-03-26 | 北京北航天宇长鹰无人机科技有限公司 | Control surface transmission mechanism and unmanned aerial vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173072A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Control surface control mechanism of high-speed helicopter |
| CN113267092A (en) * | 2021-06-02 | 2021-08-17 | 哈尔滨工业大学 | Deflection warhead deformation skin structure |
| CN113267092B (en) * | 2021-06-02 | 2022-07-15 | 哈尔滨工业大学 | Deflection warhead deformation skin structure |
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Application publication date: 20200417 |
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