CN217260644U - Aircraft carousel formula controlling device based on gear-universal transmission structure - Google Patents
Aircraft carousel formula controlling device based on gear-universal transmission structure Download PDFInfo
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- CN217260644U CN217260644U CN202220679261.0U CN202220679261U CN217260644U CN 217260644 U CN217260644 U CN 217260644U CN 202220679261 U CN202220679261 U CN 202220679261U CN 217260644 U CN217260644 U CN 217260644U
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Abstract
The utility model provides an aircraft carousel formula controlling device based on gear-universal transmission structure, include: the device comprises a steering wheel, a steering column, a universal joint, a gear box and an aileron output rocker arm; the steering column is internally provided with a plurality of stages of universal joints connected in series in a nested manner, the steering wheel is installed at the top end of the steering column and is connected with the first-stage universal joint at the top end of the steering column, and the first-stage universal joint at the bottom end of the steering column is meshed with the input gear in the gear box; and the aileron output rocker arm is connected with an output gear in the gearbox in a coaxial way. The utility model discloses technical scheme has solved current aircraft carousel formula operating mechanism, moves the big angle or exerts the great power back at the steering wheel, the input of steering wheel and the nonlinear scheduling problem that the output of horizontal manipulation exists.
Description
Technical Field
The utility model relates to a but not limited to aircraft control system technical field relates to an aircraft carousel formula controlling device based on gear-universal transmission structure.
Background
The pilot wheel of an aircraft belongs to a central control mechanism and is used for controlling the transverse control surfaces of the aircraft, and is usually designed to be assembled with a pilot rod, namely the pilot wheel is used for controlling the transverse control surfaces, and the pilot rod is used for controlling the longitudinal control surfaces, so that the structure of the pilot wheel is required to ensure the independence of the longitudinal control and the transverse control of the aircraft, namely: when the elevator for controlling the longitudinal control surface is independently operated, the ailerons for controlling the transverse control surface can not deflect; the elevator should also not deflect when the aileron is manipulated alone.
Chinese patent publication No. CN201566835U, publication date 2010, 09/01, the utility model discloses a name is an aircraft steering wheel formula controlling device, and this application discloses an aircraft steering column, and the weak point is that the aileron reduction gears among the device is rocker transmission, and the nonlinear condition is comparatively serious after the steering wheel deflection surpasss 70, has reduced the operating system performance, influences the flight quality of aircraft.
Chinese patent publication No. CN203345198U, published 2013, 12 months and 18 days, the utility model discloses an aircraft steering wheel with bevel gear mechanism, this application discloses an aircraft steering wheel with bevel gear mechanism, the disadvantage is that the gear transmission link does not eliminate the clearance measure, after using to a certain time, the gear transmission clearance grow, the nonlinear grow. In addition, if large steering wheel deflection input and small-angle output are to be realized, the transmission design diameter of the primary driven gear is large, and the man-machine effect of the airplane is influenced.
Chinese patent publication No. CN109515690A, published 2019, 03 and 26, the name of utility model is an aircraft steering wheel, this application discloses an aircraft steering wheel, the non-linear problem of above-mentioned two kinds of steering wheels has been solved through the transmission of cable wire, chain and sprocket, however, owing to used the transmission structure of cable wire, chain and sprocket for this carousel steering wheel's maintenance work load ratio hard formula pull rod rocking arm greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides an aircraft carousel formula controlling device based on gear-universal drive structure to solve current aircraft carousel formula operating mechanism, move the big angle or exert the great power back at the steering wheel, the input of steering wheel and the nonlinear scheduling problem that the output of horizontal manipulation exists.
The technical scheme of the utility model is that: the embodiment of the utility model provides an aircraft carousel formula controlling device based on gear-universal transmission structure, include: the device comprises a steering wheel 1, a steering column 2, a universal joint 3, a gear box 4 and an aileron output rocker arm 5;
the driving rod 2 is internally provided with a plurality of stages of universal joints 3 connected in series in a nested manner, the driving disk 1 is installed at the top end of the driving rod 2, the driving disk 1 is connected with the first-stage universal joint 3 at the top end of the driving rod 2, and the first-stage universal joint 3 at the bottom end of the driving rod 2 is meshed with an input gear 14 in the gear box 4; the aileron output rocker 5 is coaxially connected to an output gear 10 in the gearbox 4.
Alternatively, in the aircraft turntable type steering device based on the gear-universal transmission structure,
the aircraft rotating disc type operating device is used for driving the multistage universal joint 3 in the steering column 2 to rotate through the rotation of the steering wheel 1 and driving the input gear 14 meshed with the universal joint 3 in the gear box 4 to rotate, so that the output gear 10 drives the aileron output rocker arm 5 to coaxially rotate.
Alternatively, in the aircraft carousel-type steering device based on a gear-universal drive structure as described above, the gearbox 4 comprises: a gearbox housing 19, an input gear assembly, a transition gear assembly and an output gear assembly nested in the gearbox housing 19, and a sealing cover 6;
the first-stage universal joint 3 at the bottom end of the steering column 2 is connected with an input gear assembly through a spline, an input gear 14 in the input gear assembly is meshed with a transition gear 17 in the transition gear assembly, the transition gear 17 is also respectively meshed with an output gear 10 and an anti-backlash gear 7 in the output gear assembly, and the aileron output rocker arm 5 is specifically connected to a gear shaft of the output gear 10.
Alternatively, in the aircraft turntable type operating device based on the gear-universal transmission structure, three sets of bearing mounting holes are arranged on the corresponding positions of the sealing cover 6 and the gearbox housing 19;
the input gear assembly includes the input gear 14, and the input gear 14 is mounted in the seal cover 6 and the first set of bearing mounting holes of the gear case housing 19 through a first set of bearings provided at both ends thereof, respectively.
Alternatively, in the aircraft turntable type steering device based on the gear-universal transmission structure,
the transition gear assembly comprises the transition gear 17, and the transition gear 17 is respectively installed in a second group of bearing installation holes of the sealing cover 6 and the gear box shell 19 through a second group of bearings arranged at two ends of the transition gear 17;
the transition gear 17 comprises two gears which are arranged in parallel up and down, the size and the distance of the gears of the two gears are the same, and the two gears are fixedly connected in parallel up and down in a mode that each tooth is aligned.
Alternatively, in the aircraft turntable steering device based on the gear-universal transmission structure,
the output gear assembly includes: the output shaft is fixedly arranged on an output gear 10 at the bottom of the output shaft and sleeved with an anti-backlash gear 7, and the output shaft is respectively arranged in a sealing cover 6 and a third group of bearing mounting holes of a gear box shell 19 through a third group of bearings arranged at two ends of the output shaft; the output gear 10 is meshed with a lower gear in the transition gear 17, and the anti-backlash gear 7 is meshed with an upper gear in the transition gear 17;
the output gear 10 and the anti-backlash gear 7 are both arranged as sector gears, the upper end face of the output gear 10 is fixedly provided with a limit stop 11, the corresponding position of the anti-backlash gear 7 is provided with a kidney-shaped long hole, an adjusting screw penetrates through the kidney-shaped long hole and a threaded hole of the limit stop 11, and the transmission gap between the transition gear 17 and the output gear 10 is eliminated by adjusting the tooth gap between the anti-backlash gear 7 and the output gear 10.
Optionally, in the aircraft carousel steering device based on a gear-universal drive structure as described above, the gearbox 4 further comprises: and the filling oil nozzle plugging cap 20 is arranged outside the filling oil nozzle at the bottom end of the gearbox shell 19 and is used for filling lubricating oil into the gearbox 4 by opening the filling oil nozzle plugging cap 20.
The utility model has the advantages that: the embodiment of the utility model provides an aircraft turntable type control device based on a gear-universal transmission structure, the basic structure mechanism of which consists of a steering wheel 1, a steering column 2, a universal joint 3, a gear box 4 and an aileron output rocker arm 5; the deflection angle of the steering wheel of the airplane rotating disc type control device is converted into the output of transverse control through gear assemblies in the gear box, and the design of a gear transmission mechanism is adopted, so that the problem of nonlinearity in the prior art is effectively solved; in addition, the anti-backlash gear in the gear box transmission mechanism is assembled with the output wheel shaft, after the limit stop is adjusted by the adjusting screw, the clearance of the gear transmission mechanism can be effectively reduced, the requirement on the machining precision of the gear is low, and the installation and adjustment of the gear box are simple. Furthermore, the utility model discloses the installation adjustment is simple, and the input of steering wheel is linear relation with the output of horizontal manipulation, and the locking is reliable after the combination gear is adjusted, and the system clearance is little.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.
Fig. 1 is a schematic structural diagram of a turntable type control device of an aircraft based on a gear-universal transmission structure, according to the present invention;
fig. 2 is an exploded view of a local structure in an aircraft turntable type operating device based on a gear-universal transmission structure provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of the meshing structure of gears in the aircraft turntable control device based on the gear-universal drive structure provided by the embodiment shown in fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The above background art has described that, in the existing airplane rotating disc type control mechanism, after the steering wheel moves to a large angle or after a large force is applied to the steering wheel, the nonlinearity exists between the input of the steering wheel and the output of the transverse control, and the like. Although chinese patent publication No. CN109515690A, the name of utility model is an aircraft carousel formula steering column's patent application, the non-linear problem of above-mentioned two kinds of steering columns has been solved through the transmission of cable wire, chain and sprocket, however, owing to used the transmission structure of cable wire, chain and sprocket for this carousel formula steering column's maintenance work load is than hard formula pull rod rocking arm greatly increased.
In order to solve the problem that the nonlinear existing between the input of the steering wheel and the output of the horizontal control exists after the steering wheel moves to a large angle or exerts a large force on the steering wheel in the existing airplane rotating disc type control mechanism, the embodiment of the utility model provides an airplane rotating disc type control mechanism utilizing the gear-universal joint transmission for controlling an aileron control mechanism of an airplane.
The present invention provides that several specific embodiments below may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is the utility model provides a structural schematic diagram of aircraft carousel formula controlling device based on gear-universal drive structure. The embodiment of the utility model provides an aircraft carousel formula controlling device based on gear-universal drive structure includes: steering wheel 1, steering column 2, universal joint 3, gear box 4 and aileron output rocker 5.
In the structure of the turntable type control device of the airplane shown in fig. 1, a plurality of stages of universal joints 3 connected in series are nested in a steering column 2, a steering wheel 1 is installed at the top end of the steering column 2, the steering wheel 1 is connected with a first-stage universal joint 3 at the top end of the steering column 2, and the first-stage universal joint 3 at the bottom end of the steering column 2 is meshed with an input gear 14 in a gear box 4; the aileron output rocker 5 is connected coaxially with an output gear 10 in the gearbox 4.
Note that the input gear 14 and the output gear 10 in the gear box 4 are not illustrated in fig. 1, and the description will be given in the following embodiments.
The embodiment of the utility model provides an aircraft carousel formula controlling device can drive the rotation of multistage universal joint 3 in the steering column 2 through the rotation of steering wheel 1 to drive in the gear box 4 with the rotation of the input gear 14 of 3 meshing of universal joint, thereby make output gear 10 drive the coaxial rotation of aileron output rocking arm 5.
As shown in fig. 2, in order to provide an exploded view of a local structure in an aircraft turntable type operating device based on a gear-universal transmission structure according to an embodiment of the present invention, a universal joint 3, a gear box 4 and an aileron output rocker arm 5 are illustrated in fig. 2. The embodiment of the present invention provides a gear box 4 which can include: a gearbox housing 19, an input gear assembly, a transition gear assembly and an output gear assembly nested within the gearbox housing 19, and a seal cover 6.
In the structure shown in fig. 2, the primary universal joint 3 at the bottom end of the steering column 2 is connected with the input gear assembly through a spline, the input gear 14 in the input gear assembly is meshed with the transition gear 17 in the transition gear assembly, the transition gear 17 is also respectively meshed with the output gear 10 and the anti-backlash gear 7 in the output gear assembly, and the aileron output rocker arm 5 is specifically connected to the gear shaft of the output gear 10.
In a specific implementation, three sets of bearing mounting holes are provided at corresponding positions of the seal cover 6 and the gear case housing 19.
In an implementation of the embodiment of the present invention, the input gear assembly includes the input gear 14 therein, and the input gear 14 is installed in the first set of bearing installation holes of the sealing cover 6 and the gear box housing 19 through the first set of bearings disposed at both ends thereof respectively.
In another implementation manner of the embodiment of the present invention, the transition gear assembly includes a transition gear 17, and the transition gear 17 is respectively installed in the second bearing installation holes of the seal cover 6 and the gear box housing 19 through the second bearing sets disposed at both ends of the transition gear assembly; alternatively, the transition gear 17 includes two gears disposed in parallel up and down, the gears of the two gears have the same size and spacing, and the two gears are fixedly connected in parallel up and down in a manner that each tooth is aligned.
In another implementation of the present invention, the output gear assembly includes: the output shaft is fixedly arranged on an output gear 10 at the bottom of the output shaft and sleeved with an anti-backlash gear 7, and the output shaft is respectively arranged in a sealing cover 6 and a third group of bearing mounting holes of a gear box shell 19 through a third group of bearings arranged at two ends of the output shaft; the output gear 10 is meshed with a lower gear in the transition gear 17, and the anti-backlash gear 7 is meshed with an upper gear in the transition gear 17.
In the implementation mode, the output gear 10 and the anti-backlash gear 7 are both provided as sector gears, the limit stop 11 is fixedly mounted on the upper end face of the output gear 10, a kidney-shaped long hole is formed in the corresponding position of the anti-backlash gear 7, an adjusting screw penetrates through the kidney-shaped long hole and a threaded hole of the limit stop 11, and the transmission gap between the transition gear 17 and the output gear 10 is eliminated by adjusting the tooth gap between the anti-backlash gear 7 and the output gear 10. Fig. 3 is a schematic diagram of the meshing structure of gears in the aircraft turntable type operating device based on the gear-universal transmission structure provided for the embodiment shown in fig. 2.
Further, the gear box 4 further includes: and the filling oil nozzle blocking cap 20 is arranged at the outer part of the filling oil nozzle at the bottom end of the gear box shell 19 and is used for filling lubricating oil into the gear box 4 by opening the filling oil nozzle blocking cap 20.
The embodiment of the utility model provides an aircraft carousel formula controlling device based on gear-universal drive structure, its basic structure mechanism comprises steering wheel 1, steering column 2, universal joint 3, gear box 4 and aileron output rocker arm 5; the deflection angle of the steering wheel of the airplane rotating disc type control device is converted into the output of transverse control through gear assemblies in the gear box, and the design of a gear transmission mechanism is adopted, so that the problem of nonlinearity in the prior art is effectively solved; in addition, the anti-backlash gear in the gear box transmission mechanism is assembled with the output wheel shaft, after the limit stop is adjusted by the adjusting screw, the clearance of the gear transmission mechanism can be effectively reduced, the requirement on the machining precision of the gear is low, and the installation and adjustment of the gear box are simple. Furthermore, the utility model discloses the installation adjustment is simple, and the input of steering wheel is linear relation with the output of horizontal manipulation, and the locking is reliable after the combination gear is adjusted, and the system clearance is little.
The following describes a specific implementation of the turntable type aircraft control device based on a gear-universal transmission structure according to an embodiment of the present invention.
As shown in the structure diagram of the turntable type steering column illustrated in fig. 1 and the exploded diagram of the gearbox transmission mechanism illustrated in fig. 2, the main structure of the aircraft turntable type steering device based on the gear-universal transmission structure provided by the embodiment comprises: steering wheel 1, steering column 2, universal joint 3, gear box 4 and aileron output rocker 5. The gear box 4 is mainly composed of an anti-backlash gear 7, an adjusting screw 9, an output gear 10, a limit stop 11, a second bearing 12, a third bearing 13, an input gear 14, a bearing 15, a bearing 16, a transition gear 17, a bearing 18, a gear box shell 19, a filling oil nozzle blocking cap 20 and a plurality of bearings (the bearings in fig. 2 are 8, 12, 13, 15, 16 and 18).
The steering wheel 1 is operated to steer left or right, the gear box 4 is driven to rotate through the transmission of the multistage universal joint 3 in the steering rod 2, and finally the aileron output rocker arm 5 is driven to rotate anticlockwise or clockwise and is transmitted to a rear-stage linear system through a pull rod connected with the aileron output rocker arm 5.
As shown in fig. 2, the gear set in the gear box transmission mechanism in this embodiment is composed of four sets of gear assemblies, i.e., the anti-backlash gear 7, the output gear 10, the transition gear 17, and the input gear 14, which are two-stage reduction gears. The steering wheel 1 deflects left or right by 80 degrees, and is driven by a gear set and a multi-stage universal joint 3 in the steering rod 2 to drive an input gear 14 to rotate, the input gear 14 drives an output gear 10 to rotate through a transition gear 17, and the output gear 10 is fixedly connected with the aileron output rocker arm 5 and then outputs 30 degrees corresponding to the aileron output rocker arm 5.
The embodiment of the utility model provides an in, anti-backlash gear 7 and output gear 10 coaxial arrangement, anti-backlash gear 7 can be before fixed pivoting, adjusts anti-backlash gear 7 and output gear 10's combination profile of tooth, and after the position adjustment, through adjusting screw 9 fixed limit stop 11, output gear 10 and anti-backlash gear 7 composite set, reducible gear drive's clearance. The two ends of the input gear 14 are fixedly connected with the sealing cover 6 and the gear box shell 19 through the bearing 13 and the bearing 15 respectively. Two ends of the transition gear 17 are fixedly connected with the sealing cover 6 and the gear box shell 19 through a bearing 16 and a bearing 18 respectively. Two ends of the output wheel shaft 10 are fixedly connected with the sealing cover 6 and the gear box shell 19 through a bearing 8 and a bearing 12 respectively.
In addition, in order to facilitate later periodic lubrication maintenance, as shown in fig. 2, a filling nozzle and a filling nozzle plugging cap 20 are provided on the bearing bracket 19.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. The present invention is not limited to the above embodiments, but may be modified in various forms and details without departing from the spirit and scope of the present invention.
Claims (7)
1. An aircraft carousel formula controlling device based on gear-universal drive structure which characterized in that includes: the device comprises a steering wheel (1), a steering column (2), a universal joint (3), a gear box (4) and an aileron output rocker arm (5);
the steering column is characterized in that multistage universal joints (3) connected in series are nested in the steering column (2), the steering wheel (1) is installed at the top end of the steering column (2), the steering wheel (1) is connected with the first-stage universal joint (3) at the top end of the steering column (2), and the first-stage universal joint (3) at the bottom end of the steering column (2) is meshed with an input gear (14) in the gear box (4); the aileron output rocker (5) is coaxially connected with an output gear (10) in the gear box (4).
2. The aircraft turntable steering device based on the gear-universal transmission structure is characterized in that,
the aircraft rotating disc type operating device is used for driving the multistage universal joint (3) in the steering column (2) to rotate through rotation of the steering disc (1) and driving the input gear (14) meshed with the universal joint (3) in the gear box (4) to rotate, so that the output gear (10) drives the aileron output rocker arm (5) to rotate coaxially.
3. Aircraft carousel based on a gear-gimbal transmission according to claim 2, characterized in that the gearbox (4) comprises: a gearbox housing (19), an input gear assembly, a transition gear assembly and an output gear assembly nested in the gearbox housing (19), and a sealing cover (6);
the auxiliary wing control device comprises a steering column (2), a first-stage universal joint (3) at the bottom end of the steering column (2) and an input gear assembly, wherein the first-stage universal joint (3) is connected with the input gear assembly through a spline, an input gear (14) in the input gear assembly is meshed with a transition gear (17) in the transition gear assembly, the transition gear (17) is further respectively meshed with an output gear (10) and an anti-backlash gear (7) in the output gear assembly, and an auxiliary wing output rocker arm (5) is specifically connected to a gear shaft of the output gear (10).
4. The aircraft rotary disc type steering device based on the gear-universal transmission structure is characterized in that three groups of bearing mounting holes are formed in corresponding positions of the sealing cover (6) and the gearbox shell (19);
the input gear assembly comprises the input gear (14), and the input gear (14) is respectively installed in a first group of bearing installation holes of a sealing cover (6) and a gearbox shell (19) through a first group of bearings arranged at two ends of the input gear.
5. The aircraft turntable steering device based on the gear-universal transmission structure is characterized in that,
the transition gear assembly comprises a transition gear (17), and the transition gear (17) is respectively installed in a second group of bearing installation holes of the sealing cover (6) and the gearbox shell (19) through a second group of bearings arranged at two ends of the transition gear;
the transition gear (17) comprises two gears which are arranged in parallel up and down, the size and the distance of the gears of the two gears are the same, and the two gears are fixedly connected in parallel up and down in a mode that each tooth is aligned.
6. The aircraft turntable steering device based on the gear-universal transmission structure is characterized in that,
the output gear assembly includes: the output shaft is fixedly arranged on an output gear (10) at the bottom of the output shaft and sleeved with an anti-backlash gear (7), and the output shaft is respectively arranged in a third group of bearing mounting holes of a sealing cover (6) and a gearbox shell (19) through a third group of bearings arranged at two ends of the output shaft; the output gear (10) is meshed with a lower gear in the transition gear (17), and the anti-backlash gear (7) is meshed with an upper gear in the transition gear (17);
the output gear (10) and the anti-backlash gear (7) are both arranged as sector gears, a limit stop (11) is fixedly mounted on the upper end face of the output gear (10), a waist-shaped long hole is formed in the corresponding position of the anti-backlash gear (7), a regulating screw penetrates through the waist-shaped long hole and a threaded hole of the limit stop (11), and a transmission gap between the transition gear (17) and the output gear (10) is eliminated by regulating a tooth gap between the anti-backlash gear (7) and the output gear (10).
7. An aircraft turntable steering arrangement based on a gear-gimbal transmission according to any of claims 3-6, wherein the gearbox (4) further comprises: and the filling oil nozzle blocking cap (20) is arranged at the bottom end of the gearbox shell (19) and is used for filling lubricating oil into the gearbox (4) by opening the filling oil nozzle blocking cap (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220679261.0U CN217260644U (en) | 2022-03-25 | 2022-03-25 | Aircraft carousel formula controlling device based on gear-universal transmission structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220679261.0U CN217260644U (en) | 2022-03-25 | 2022-03-25 | Aircraft carousel formula controlling device based on gear-universal transmission structure |
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| CN217260644U true CN217260644U (en) | 2022-08-23 |
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| CN202220679261.0U Active CN217260644U (en) | 2022-03-25 | 2022-03-25 | Aircraft carousel formula controlling device based on gear-universal transmission structure |
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