CN216035090U - Airplane control surface trimmer control system - Google Patents
Airplane control surface trimmer control system Download PDFInfo
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- CN216035090U CN216035090U CN202023284330.8U CN202023284330U CN216035090U CN 216035090 U CN216035090 U CN 216035090U CN 202023284330 U CN202023284330 U CN 202023284330U CN 216035090 U CN216035090 U CN 216035090U
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Abstract
The utility model belongs to the technical field of control system design in the field of airplane design, and discloses an airplane control surface adjustment sheet control system which comprises a hand wheel device, a transmission rope device, a lead screw actuating device and a control connecting rod, wherein the transmission rope device comprises a front end synchronous cable, a transmission rope, a guide wheel and a rear end synchronous cable which are sequentially connected, the hand wheel device comprises a dial wheel and an output synchronous wheel, the lead screw actuating device comprises an input synchronous wheel, a lead screw nut mechanism and an output end, the output synchronous wheel of the hand wheel device is connected with the front end synchronous cable of the transmission rope device, the rear end synchronous cable of the transmission rope device is connected with the input synchronous wheel of the lead screw actuating device, the control connecting rod connects the output end of the lead screw actuating device with a control point, and the adjustment sheet is arranged on the rear edge of an airplane control surface. The technical scheme has the advantages of simple and easy realization of the structure, no special processing, manufacturing or assembly, and realization of the airplane auxiliary control system which is reliable, easy to use, light in weight and low in cost through the combination of conventional mechanical components.
Description
Technical Field
The utility model belongs to the technical field of control system design in the field of airplane design, and particularly relates to an airplane control surface trimmer control system.
Background
In the field of airplane design, in particular to the field of design of a mechanically-operated small and medium-sized airplane operated by people, an auxiliary control surface operation system, namely an adjusting sheet operation system, is arranged on the basis of a main control surface operation system of the airplane, the adjusting sheet operation system is generally used in the airplane cruising process, and an aerodynamic moment is generated on the control surface of the airplane in the opposite direction through active deflection of an adjusting sheet, so that the main control surface generates deflection in a certain range, the attitude adjustment of the airplane is further realized, the airplane can keep the airplane in the flying attitude, a pilot can not need to operate an airplane steering column in a short time, the driving fatigue is reduced, and the driving comfort is increased. When a pilot normally controls the airplane to land and land, the adjusting sheet moves along with the main rudder surface, the main rudder surface control system and the rudder surface adjusting sheet control system jointly realize coarse adjustment and fine adjustment of the flight attitude of the airplane, and further, under the condition that the main rudder surface control system of the airplane fails, the rudder surface adjusting sheet control system can control the attitude of the airplane under certain conditions, so that the airplane can safely return.
In the design of small and medium-sized airplanes, the cost and the weight of the airplane are important factors for determining the economy and the range of the airplane, and meanwhile, the airplane control system is required to have very high reliability. Simple mechanical steering systems have the advantages of simple structure, low cost, light weight and high reliability, and are difficult to replace in a short time by other types of systems, especially auxiliary steering systems for aircraft, in which aspects they are more typical.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an aircraft control surface adjustment sheet control system which has the characteristics of mechanical driving, mechanical transmission, mechanical actuation and mechanical indication, has a simple structure, is easy to realize and is particularly suitable for auxiliary control systems of small and medium-sized aircraft.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme.
An aircraft control surface tab handling system, the system comprising: the hand wheel control device 1, the transmission rope device 2, the lead screw actuating device 3 and the control connecting rod 6, wherein the transmission rope device 2 comprises a front end synchronous cable 201, a transmission rope 202, a guide wheel 203 and a rear end synchronous cable 204 which are sequentially connected, the hand wheel control device 1 comprises a dial wheel 101 and an output synchronous wheel 102, and the lead screw actuating device 3 comprises an input synchronous wheel 301, a lead screw nut mechanism 302 and an output end 303;
the output synchronizing wheel 102 of the handwheel control device 1 is connected with the front synchronizing cable 202 of the transmission rope device 2, the rear synchronizing cable 204 of the transmission rope device 2 is connected with the input synchronizing wheel 301 of the lead screw actuating device 3, the output end 303 of the lead screw actuating device 3 is connected with an adjusting sheet control point by the control connecting rod 6, the adjusting sheet is arranged on the rear edge of the airplane control surface, and the initial position of the output end 303 of the lead screw actuating device 3 is coincided with the airplane control surface rotating shaft.
The technical scheme of the utility model has the characteristics and further improvements that:
(1) the system further comprises a trimmer indicator, wherein the trimmer indicator comprises a pointer 112 and a shifting rod 113, a dial wheel 101 of the hand wheel operating device is provided with a spiral groove feature, the shifting rod 113 is embedded in the groove feature of the dial wheel 101, and the rotating shaft of the pointer 112 is not coincident with the rotating shaft of the dial wheel 101.
(2) The transmission rope device further comprises a connecting threaded sleeve 205, the connecting threaded sleeve 205 has internal thread characteristics, stud characteristics are arranged on the end heads of the front-end synchronous rope 201, the transmission rope 202 and the rear-end synchronous rope 204, and the connecting threaded sleeve 205 is respectively connected with the stud of the corresponding end heads of the front-end synchronous rope 201, the transmission rope 202 and the rear-end synchronous rope 204 in a matched mode.
(3) The transmission rope device 2 further comprises a stopping device, the stopping device comprises a forward stopping block 206, an intermediate stopping block 207 and a reverse stopping block 208 which are arranged in sequence, the forward stopping block 206, the reverse stopping block 208 and the intermediate stopping block 207 are respectively provided with a fixing feature and a through hole feature, the forward stopping block 206 and the reverse stopping block 208 are fixedly connected with a first driving edge of the transmission rope device through the fixing features, a second driving edge of the transmission rope device penetrates through the through hole features of the forward stopping block 206 and the reverse stopping block 208, the intermediate stopping block 207 is fixedly connected with a second driving edge of the transmission rope device through the fixing features, and the first driving edge of the transmission rope device penetrates through the through hole feature of the intermediate stopping block 207.
(4) The lead angle alpha of the lead screw actuating device and the friction coefficient mu of the nut material meet tan alpha < mu.
(5) The output synchronizing wheel 102 of the handwheel control device 1 is a chain wheel, the front synchronizing cable 01 of the transmission rope device 2 is a chain, the transmission rope 202 is a steel wire rope, the guide wheel 203 is a pulley, and the rear synchronizing cable 204 is a chain.
(6) The input synchronizing wheel 301 of the screw actuating device is a chain wheel, the screw in the screw actuating device is a T-shaped screw with two, three or four ends, and the nut is a nut with corresponding number of ends and thread shape.
(7) The forward stop 206, the middle stop block 207 and the reverse stop block 208 are formed by oppositely combining and fastening two groups of clamping plates, the opposite surfaces of the clamping plates are respectively provided with a half-hole characteristic and a shallow slot characteristic, the two groups of clamping plates are oppositely combined to form a flat hole and a round hole, the sectional area of the flat hole is smaller than that of a transmission rope, and the transmission rope penetrating through the flat hole is clamped under the clamping force of a fastener to form a fixed connection characteristic; the diameter of the circular hole is larger than the maximum outline of the transmission rope passing through the circular hole, and a through hole characteristic is formed.
The technical scheme of the utility model realizes the mechanical control function of the control surface adjusting sheet by arranging a hand wheel device with a dial wheel and an output synchronizing wheel, realizes the mechanical transmission function of the control surface adjusting sheet by arranging a transmission rope device with a front end synchronizing cable, a transmission rope, a guide wheel and a rear end synchronizing cable, realizes the mechanical driving function of the control surface adjusting sheet by arranging a lead screw actuating device with an input synchronizing wheel and a lead screw nut mechanism, realizes the mechanical indication function of the control surface adjusting sheet by matching a spiral groove of the dial wheel with a shift lever of an indicator, and realizes the limit position locking function of the control surface adjusting sheet by combining 3 groups of stop blocks. Meanwhile, the initial position of the output end of the screw actuating device coincides with the rotating shaft of the control surface of the airplane, so that the control surface and the adjusting sheet can move independently.
Drawings
Fig. 1 is a schematic structural diagram of an aircraft control surface tab control system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a forward stop block, a reverse stop block and an intermediate stop block provided in an embodiment of the present invention;
wherein, 1-handwheel control device; 2-a transmission rope device; 3-a screw actuation device; 4-aircraft control surface; 5-an adjustment sheet; 6-operating the connecting rod; 101-a thumb wheel; 102-output synchronizing wheel; 111-trench features; 112-a pointer; 113-a deflector rod; 201-front synchronous cable; 202-a drive rope; 203-a guide wheel; 204-a rear synchronous cable; 205-connecting thread insert; 206-positive stop; 207-intermediate stop block; 208-reverse stop; 211 clamping plates; 212-a fastener; 213-round hole; 214-flat hole; 301-input sync wheel; 302-a lead screw nut mechanism; 303-an output terminal; 401-aircraft rudder surface rotating shaft; 501-adjustment of sheet handling points; 502-tab rotation axis.
Detailed Description
The following description refers to the accompanying drawings, which illustrate in greater detail the implementation of the present application of the system for manipulating the elevator trim of a piston engine trainer.
Referring to fig. 1, an embodiment of the present invention provides an aircraft elevator adjustment sheet control system, including a hand wheel device, a transmission rope device, a lead screw actuating device and a control link, where the transmission rope device includes a front-end synchronization cable, a transmission rope, a guide wheel and a rear-end synchronization cable that are connected in sequence, the hand wheel device includes a dial wheel and an output synchronization wheel, the lead screw actuating device includes an input synchronization wheel, a lead screw nut mechanism and an output end, the output synchronization wheel of the hand wheel device is connected with the front-end synchronization cable of the transmission rope device, the rear-end synchronization cable of the transmission rope device is connected with the input synchronization wheel of the lead screw actuating device, the control link connects the output end of the lead screw actuating device with an adjustment sheet control point, the adjustment sheet is installed on a rear edge of an aircraft left elevator, and an initial position of the output end of the lead screw actuating device coincides with an aircraft elevator rotating shaft.
The aircraft control surface adjustment sheet control system further comprises an adjustment sheet indicator, the indicator comprises a pointer and a shifting rod, a shifting wheel of the hand wheel device is provided with a spiral groove feature, the shifting rod is embedded in the groove feature of the shifting wheel, and a rotating shaft of the pointer is not coincident with a rotating shaft of the shifting wheel.
The transmission rope device of the aircraft control surface trimmer control system further comprises a connecting threaded sleeve, the connecting threaded sleeve is provided with internal threads, stud features are arranged on the ends of the front-end synchronous cable, the transmission rope and the rear-end synchronous cable, and the connecting threaded sleeve is respectively connected with the stud features of the corresponding ends of the front-end synchronous cable, the transmission rope and the rear-end synchronous cable in a matched mode.
The transmission rope device of the aircraft control surface tab control system further comprises a stopping device, as shown in fig. 2, the stopping device comprises a forward stopping block, a middle stopping block and a reverse stopping block which are sequentially arranged, the forward stopping block, the reverse stopping block and the middle stopping block are respectively provided with a fixed connection characteristic and a via hole characteristic, the forward stopping block and the reverse stopping block are fixedly connected with a first driving edge of the transmission rope device through the fixed connection characteristic, a second driving edge of the transmission rope device penetrates through the via hole characteristics of the forward stopping block and the reverse stopping block, the middle stopping block is fixedly connected with a second driving edge of the transmission rope device through the fixed connection characteristic, and the first driving edge of the transmission rope device penetrates through the via hole characteristic of the middle stopping block.
The lead angle alpha of a lead screw actuating device of the aircraft lifting control surface trimmer control system and the friction coefficient mu of a nut material meet tan alpha < mu.
The output synchronizing wheel of the hand wheel device of the aircraft lifting control surface adjustment sheet control system is a chain wheel, the front end synchronizing wheel of the transmission rope device is a chain, the transmission rope is a steel wire rope, the guide wheel is a pulley, the rear end synchronizing cable is a chain, and the input synchronizing wheel of the lead screw actuating device is a chain wheel.
The screw rod in the screw rod actuating device is a T-shaped screw rod with two ends to four ends, and the nut is a nut with the corresponding number of ends and the shape of a thread.
The forward stop block, the middle stop block and the reverse stop block are formed by oppositely combining and fastening two groups of clamping plates, the opposite surfaces of the clamping plates are respectively provided with a half-hole characteristic and a shallow slot characteristic, the two groups of clamping plates are oppositely combined to form a flat hole and a round hole, the sectional area of the flat hole is smaller than that of a transmission rope, and the transmission rope passing through the flat hole is clamped under the clamping force of a fastener to form a fixedly-connected characteristic; the diameter of the circular hole is larger than the maximum outline of the transmission rope passing through the circular hole, and a through hole characteristic is formed.
The adjusting sheet operating system of the technical scheme of the utility model is also suitable for a rudder adjusting sheet operating system and a flap adjusting sheet operating system.
When the adjusting device is used for a rudder adjusting sheet control system, the adjusting device comprises a hand wheel device, a transmission rope device, a lead screw actuating device and a control connecting rod, wherein the transmission rope device comprises a front end synchronous cable, a transmission rope, a guide wheel and a rear end synchronous cable which are sequentially connected, the hand wheel device comprises a dial wheel and an output synchronous wheel, the lead screw actuating device comprises an input synchronous wheel, a lead screw nut mechanism and an output end, the output synchronous wheel of the hand wheel device is connected with the front end synchronous cable of the transmission rope device, the rear end synchronous cable of the transmission rope device is connected with the input synchronous wheel of the lead screw actuating device, the control connecting rod connects the output end of the lead screw actuating device with an adjusting sheet control point, the adjusting sheet is installed on the rear edge of an airplane rudder, and the initial position of the output end of the lead screw actuating device is coincided with a rotating shaft of the airplane rudder adjusting sheet.
When the adjusting mechanism is used for an aileron adjusting sheet control system, the adjusting mechanism comprises a hand wheel device, a transmission rope device, a lead screw actuating device and a control connecting rod, wherein the transmission rope device comprises a front end synchronous cable, a transmission rope, a guide wheel and a rear end synchronous cable which are sequentially connected, the hand wheel device comprises a dial wheel and an output synchronous wheel, the lead screw actuating device comprises an input synchronous wheel, a lead screw nut mechanism and an output end, the output synchronous wheel of the hand wheel device is connected with the front end synchronous cable of the transmission rope device, the rear end synchronous cable of the transmission rope device is connected with the input synchronous wheel of the lead screw actuating device, the control connecting rod connects the output end of the lead screw actuating device with an adjusting sheet control point, the adjusting sheet is arranged at the left aileron trailing edge of an airplane, and the initial position of the output end of the lead screw actuating device is coincided with the rotating shaft of the ailerons.
The technical scheme of the utility model realizes the mechanical control function of the control surface adjusting sheet by arranging a hand wheel device with a dial wheel and an output synchronizing wheel, realizes the mechanical transmission function of the control surface adjusting sheet by arranging a transmission rope device with a front end synchronizing cable, a transmission rope, a guide wheel and a rear end synchronizing cable, realizes the mechanical driving function of the control surface adjusting sheet by arranging a lead screw actuating device with an input synchronizing wheel and a lead screw nut mechanism, realizes the mechanical indication function of the control surface adjusting sheet by matching a spiral groove of the dial wheel with a shift lever of an indicator, and realizes the limit position locking function of the control surface adjusting sheet by combining 3 groups of stop blocks. Meanwhile, the initial position of the output end of the screw actuating device coincides with the rotating shaft of the control surface of the airplane, so that the control surface and the adjusting sheet can move independently.
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 appended claims.
Claims (8)
1. An aircraft control surface tab handling system, the system comprising: the device comprises a hand wheel operating device (1), a transmission rope device (2), a lead screw actuating device (3) and an operating connecting rod (6), wherein the transmission rope device (2) comprises a front end synchronous cable (201), a transmission rope (202), a guide wheel (203) and a rear end synchronous cable (204) which are sequentially connected, the hand wheel operating device (1) comprises a shifting wheel (101) and an output synchronous wheel (102), and the lead screw actuating device (3) comprises an input synchronous wheel (301), a lead screw nut mechanism (302) and an output end (303);
an output synchronizing wheel (102) of a hand wheel control device (1) is connected with a front synchronizing cable (201) of a transmission rope device (2), a rear synchronizing cable (204) of the transmission rope device (2) is connected with an input synchronizing wheel (301) of a lead screw actuating device (3), an output end (303) of the lead screw actuating device (3) is connected with an adjusting sheet control point by an operating connecting rod (6), the adjusting sheet is installed on the rear edge of an airplane control surface, and the initial position of the output end (303) of the lead screw actuating device (3) is superposed with a rotating shaft of the airplane control surface.
2. The aircraft rudder surface tab steering system according to claim 1, further comprising a tab indicator, wherein the tab indicator comprises a pointer (112) and a shift lever (113), the dial wheel (101) of the handwheel steering device has a spiral groove feature, the shift lever (113) is embedded in the groove feature of the dial wheel (101), and the rotating shaft of the pointer (112) is not coincident with the rotating shaft of the dial wheel (101).
3. The aircraft control surface tab control system according to claim 1, wherein the transmission rope device further comprises a connection threaded sleeve (205), the connection threaded sleeve (205) has an internal thread feature, stud features are arranged on the ends of the front end synchronous cable (201), the transmission rope (202) and the rear end synchronous cable (204), and the connection threaded sleeve (205) is respectively in fit connection with studs of corresponding ends of the front end synchronous cable (201), the transmission rope (202) and the rear end synchronous cable (204).
4. An aircraft control surface tab handling system according to claim 1, the transmission rope device (2) also comprises a stopping device, the stopping device comprises a forward stopping block (206), a middle stopping block (207) and a reverse stopping block (208) which are arranged in sequence, the forward stop block (206), the reverse stop block (208) and the middle stop block (207) are respectively provided with a fixed connection feature and a through hole feature, the forward stop block (206) and the reverse stop block (208) are fixedly connected with a first driving edge of the transmission rope device through the fixed connection feature, a second driving edge of the transmission rope device penetrates through the through hole features of the forward stop block (206) and the reverse stop block (208), the middle stop block (207) is fixedly connected with a second driving edge of the transmission rope device through the fixed connection feature, and the first driving edge of the transmission rope device penetrates through the through hole feature of the middle stop block (207).
5. An aircraft control surface tab steering system according to claim 1, wherein the lead angle α of the screw actuator and the coefficient of friction μ of the nut material satisfy tan α < μ.
6. The aircraft control surface tab manipulation system according to claim 1, wherein the output synchronizing wheel (102) of the handwheel manipulation device (1) is a chain wheel, the front end synchronizing cable (201) of the transmission cable device (2) is a chain, the transmission cable (202) is a steel wire rope, the guide wheel (203) is a pulley, and the rear end synchronizing cable (204) is a chain.
7. An aircraft control surface tab handling system according to claim 1,
the input synchronizing wheel (301) of the screw actuating device is a chain wheel, the screw in the screw actuating device is a T-shaped screw with two, three or four ends, and the nut is a nut with the corresponding number of ends and the shape of a thread.
8. The aircraft control surface tab control system according to claim 4, wherein the forward stop block (206), the middle stop block (207) and the reverse stop block (208) are formed by oppositely combining and fastening two groups of clamping plates, the opposite surfaces of the clamping plates are respectively provided with a half-hole characteristic and a shallow-groove characteristic, the two groups of clamping plates are oppositely combined to form a flat hole and a round hole, the cross section of the flat hole is smaller than that of the transmission rope, and the transmission rope passing through the flat hole is clamped under the clamping force of the fastener to form a fixed connection characteristic; the diameter of the circular hole is larger than the maximum outline of the transmission rope passing through the circular hole, and a through hole characteristic is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023284330.8U CN216035090U (en) | 2020-12-29 | 2020-12-29 | Airplane control surface trimmer control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023284330.8U CN216035090U (en) | 2020-12-29 | 2020-12-29 | Airplane control surface trimmer control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216035090U true CN216035090U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023284330.8U Expired - Fee Related CN216035090U (en) | 2020-12-29 | 2020-12-29 | Airplane control surface trimmer control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216035090U (en) |
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2020
- 2020-12-29 CN CN202023284330.8U patent/CN216035090U/en not_active Expired - Fee Related
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Granted publication date: 20220315 |