CN104986355B - Giving method and giving device of aircraft incidence angle - Google Patents

Abstract

The invention relates to a giving method and a giving device of an aircraft incidence angle. Based on an incidence angle weather cock which has been installed on an aircraft body already, the giving device comprises a base, a dial and a weather cock pointer; an outer ring of the base is connected with a sucker type stabilizer blade through an adjusting bolt, and a pressing block of the dial is further arranged on the surface of the annular base; the dial is an annular disc, aircraft incidence scale marks are arranged on the surface of the dial, and the dial is arranged on an annular step of an inner ring of the base and is concentric with the base; a connecting hole sleeved with the incidence angle weather cock is arranged at the tail end of the weather cock pointer; an opening ring in the center of the base is arranged on peripheral aircraft body skin of an incidence angle weather cock shaft, and the base is adjusted to be in the relatively horizontal state; the front end of the weather cock pointer points to the 0-degree scale mark of the dial; and a manual weather cock enables the weather cock pointer to point to the needed aircraft incidence angle direction.

Description

A kind of given method of aircraft angle of attack and setter

Technical field

The application is related to aircraft manufacturing technology, and specifically in the detection debugging of aircraft stall warning system, aircraft angle of attack gives Determine method and setter.

Background technology

The stall-warning system of aircraft is to send alarm when aircraft is close to stall to pilot and flight control system and control Information, its purpose is to provide an abundant scope between stall warning and true stall, and makes pilot or fly control The timely operating aircraft of system, makes aircraft be promptly restored to normal condition, does not cause aircraft to enter stall conditions, thus ensureing to fly The airborne visual plant of safety, in the correct operating aircraft of pilot it is ensured that flight safety has great significance.Because aircraft loses Inform alarm system alarm point and alarm function and systematic error of aircraft real-time angle of attack output valve and measuring system etc. be in close relations, And each airplane is all not quite similar due to the alignment error of angle of attack sensor etc. and the measurement error of measuring system, so, it is Ensure that aircraft stall warning system alarm function is normal and the concordance of alarm point, compensate these errors to stall warning system Alarm point and the impact of alarm function, stall warning ALM function and alarm point all must pass through when every airplane dispatches from the factory Give real-time angle of attack value it to be checked and is adjusted it is ensured that its function and performance meet requirement.Additionally, due to stall warning system System is to Flight Safety important, in order to perfectly safe, general when stall warning system that ground is adjusted is dispatched from the factory Need to verify through airflight, and again accurately adjusting further of ground be carried out to it according to the situation of flight validation, until Till ground and the requirement of aerial all satisfactions.So the precision of ground debugging and science, directly determine flight validation qualification rate Just, therefore, improve accuracy and the science of ground debugging, to reducing airflight checking number of times, improve Aircraft Production effect Rate and reduction production cost also have great economic worth.

It is necessary to different aircraft angle of attack states are provided in real time by the weathercock installed when every airplane dispatches from the factory, with Just carry out the adjustment inspection of stall warning system.And the device of traditional fixed real-time angle of attack is because by aircraft configuration, angle of attack sensor The factor impacts such as installation form, given equipment reading mode, given equipment accuracy of reading, make versatility and the utilization of setter Rate is extremely low, also cannot ensure that stall warning system is convenient, accurately complete to adjust and check work, improve disposable flight validation Qualification rate, thus affecting the manufacturing schedule of aircraft.

Content of the invention

Present invention aims to current stall gives the various weak points that equipment exists, carry out innovative design, Work out a kind of new angle of attack setter and the angle of attack gives method.This device has precision than current setter High, practical, the convenient-to-running feature of applied range, operational approach, its versatility is extremely strong, can be applicable to various aircraft life During product, the angle of attack during energising of stall warning system call interception gives measurement work in real time, is that aeronautical manufacture, aeronautical maintenance, army etc. are single Position, solves the Technology difficult problem giving angle of attack value on aircraft with angle of attack sensor in real time.

A kind of given method of aircraft angle of attack, based on the angle of attack weathercock installed with airframe it is characterised in that: 1) There is the setter of an aircraft angle of attack, this device contains pedestal, graduated disc and weathercock pointer, described pedestal is an annular Pedestal, be equipped with pedestal support graduated disc ring-shaped step, the center of pedestal also have one with angle of attack weathercock seat The slotted collar of clamping, this snap ring is connected with the internal ring wing of pedestal, and the outer shroud of pedestal passes through regulating bolt and sucked type leg Connect, the surface of circular base is additionally provided with the briquetting of graduated disc, graduated disc is an annular disk, the surface of graduated disc is provided with winged The graduation mark of the machine angle of attack, graduated disc is placed on the ring-shaped step of pedestal internal ring and concentric with pedestal, and the tail end of weathercock pointer has one The individual connecting hole with the socket of angle of attack weathercock；2) slotted collar of base central is connected on the axle sleeve of angle of attack weathercock axle, makes to meet Angle weathercock is stretched out by the gap of pedestal and graduated disc, and the sucked type leg of pedestal adsorbs the aircraft table around angle of attack weathercock Face；3) adjust the regulating bolt between pedestal and sucked type leg, make pedestal be in relative horizontality；4) by weathercock pointer It is socketed on angle of attack weathercock, so that the front end of weathercock pointer is pointed on 0 graduation mark of graduated disc；5) manual weathercock makes weathercock pointer refer to To the aircraft angle of attack direction needing.

The application has the beneficial effects that: 1) uses the axle sleeve clamping of slotted collar and angle of attack weathercock axle, uses sucked type leg It is connected with aircraft surfaces, weathercock pointer is socketed on angle of attack weathercock, this structure makes this angle of attack setter be adapted to various types Number aircraft, versatility is good；2) use weathercock pointer to link with weathercock, simulated with weathercock graduated disc real time reaction weathercock pointer Aircraft angle of attack data, make measurement more accurate.3) angle of attack setter installation form and airframe and angle of attack weathercock are adopted Use non-rigid connection, do not change the mounted equipment of aircraft and adnexa it is ensured that the integrity of aircraft installation quality and trackability. 4) angle of attack setter is escorted with airframe surface by regulating bolt and sucked type presser feet, overcomes different airframe arcs The impact of degree, makes equipment both meet rigid requirements, meets flexibility requirements again.

Angle of attack setter science is simple, practicality highly versatile, can carry out the technique measurement of aircraft angle of attack whenever and wherever possible, Meet aircraft manufacturing, the application demand in operation and maintenance.

Below in conjunction with real-time example accompanying drawing, the application is described in further detail:

Brief description

Fig. 1 is that aircraft angle of attack setter is illustrated

Fig. 2 is that weathercock pointer installs signal

In figure numbering explanation: 1 pedestal, 2 graduated discs, 3 sucked type legs, 4 regulating bolts, 5 briquettings, 6 weathercock pointers, 7 fly Machine body, 8 angle of attack weathercocks

Specific embodiment

Referring to accompanying drawing, the given method of the aircraft angle of attack of the application, based on having installed and the angle of attack wind on airframe 7 Mark 8.First have to the setter by means of aircraft angle of attack, this device contains pedestal 1, graduated disc 2 and weathercock pointer 6, described Pedestal 1 is a loop configuration, is equipped with the ring-shaped step supporting graduated disc 2, also has at the center of pedestal 1 in pedestal 1 One split ring corresponding with angle of attack weathercock 8, during use, the center of rotation of angle of attack weathercock 8 and the center superposition of this split ring, should Split ring is connected with the internal ring wing of pedestal 1, and the outer shroud of pedestal is connected with sucked type leg 3 by regulating bolt 4, circular base Surface on be additionally provided with the briquetting 5 of graduated disc, graduated disc 2 is an annular disk, and the surface of graduated disc is provided with the quarter of aircraft angle of attack Degree line, graduated disc 2 is placed on the ring-shaped step of pedestal 1 internal ring and concentric with pedestal, and the tail end of weathercock pointer 6 has one and the angle of attack The connecting hole of weathercock 8 socket, as shown in Figure 2.During use, the split ring at pedestal 1 center is placed in the periphery of angle of attack weathercock 8 rotating shaft On fuselage skin, angle of attack weathercock 8 is made to stretch out by the gap of pedestal 1 and graduated disc 2, the sucked type leg 3 of pedestal 1 adsorbs The surface of the airframe 7 around angle of attack weathercock 8；By adjusting the regulating bolt 4 between pedestal 1 and sucked type leg 3, make base Seat 1 is in relative horizontality；Again weathercock pointer 6 is socketed on angle of attack weathercock, makes the front end of weathercock pointer 6 point to scale On 0 graduation mark of disk, dial surface is provided with big central cross line, conveniently passes through weathercock pointer timely centering position.Finally Manual angle of attack weathercock 8, makes weathercock pointer 6 servo-actuated with angle of attack weathercock 8, points to the aircraft angle of attack direction needing, realizes aircraft angle of attack Give in real time.

Claims (3)

1. a kind of given method of aircraft angle of attack, based on already installed on the angle of attack weathercock on airframe it is characterised in that: 1) There is the setter of an aircraft angle of attack, this device contains pedestal, graduated disc and weathercock pointer, described pedestal is an annular Structure, be equipped with pedestal support graduated disc ring-shaped step, the center of pedestal also have one corresponding with angle of attack weathercock Split ring, this split ring is connected with the internal ring wing of pedestal, and the outer shroud of pedestal is connected with sucked type leg by regulating bolt, The briquetting of graduated disc is additionally provided with the surface of circular base, graduated disc is an annular disk, the surface of graduated disc is provided with aircraft and meets The graduation mark at angle, graduated disc is placed on the ring-shaped step of pedestal internal ring and concentric with pedestal, the tail end of weathercock pointer have one with The connecting hole of angle of attack weathercock socket；2) split ring of base central is placed on the peripheral airframe eyelid covering of angle of attack weathercock axle, Angle of attack weathercock is made to stretch out by the gap of pedestal and graduated disc, sucked type leg absorption the flying around angle of attack weathercock of pedestal Machine body surface；3) adjust the regulating bolt between pedestal and sucked type leg, make pedestal be in relative horizontality；4) will Weathercock pointer is socketed on angle of attack weathercock, so that the front end of weathercock pointer is pointed on 0 graduation mark of graduated disc；5) manual weathercock makes wind Mark pointer points to the aircraft angle of attack direction needing.

2. a kind of setter of aircraft angle of attack, containing pedestal, graduated disc and weathercock pointer it is characterised in that described pedestal An annular pedestal, be equipped with pedestal support graduated disc ring-shaped step, the center of pedestal also have one with The corresponding split ring of angle of attack weathercock, this split ring is connected with the internal ring wing of pedestal, and the outer shroud of pedestal passes through regulating bolt and suction Disc type leg connects, and there is the annular disk of circular void at graduated disc Shi Yige center, and the surface of graduated disc is provided with the quarter of aircraft angle of attack Degree line, graduated disc is placed on the ring-shaped step of pedestal internal ring, and the tail end of weathercock pointer has a connection with the socket of angle of attack weathercock Hole.

3. the setter of aircraft angle of attack as claimed in claim 2 is it is characterised in that be additionally provided with the surface of circular base The briquetting of graduated disc.