CN102059549A - Airplane engine attitude regulation installation system based on four numerical control positioners and use method thereof - Google Patents
Airplane engine attitude regulation installation system based on four numerical control positioners and use method thereof Download PDFInfo
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Abstract
The invention discloses an airplane engine attitude regulation installation system based on four numerical control positioners and a use method thereof. The system consists of an engine installation car, an attitude regulation platform, a laser tracker, an attitude regulation positioner group and an engine hanging component, wherein the attitude regulation positioner group is arranged below the horizon; the top of the Z-direction telescopic post of each positioner is connected with the attitude regulation platform through a joint bearing; and the engine installation car is fixed on the attitude regulation platform through a locating cone component arranged at the bottom. The invention has the following advantages: 1) when the engine is pushed into an airplane body, the two modes of manual and automatic abutting joints are adopted to drive the engine to go forward, thus the installation efficiency is high and the reliability is good; 2) the attitude regulation mechanism comprises four positioners, thus the attitude regulation precision is high and the efficiency is high; 3) the laser tracker is adopted for attitude measurement, thus the measurement precision is high; and 4) the attitude regulation platform is provided with a guide slot, thus when the engine installation car is pushed in the airplane body, the engine installation car collides with the airplane body, and the efficiency is high.
Description
Technical field
The present invention relates to a kind of aircraft engine posture adjustment installation system and using method, belong to automation assembling field based on four digital control location devices.
Background technology
Use conventional methods when engine is installed, the aligning that engine is installed relevant position chute on guide wheel and the aircraft is to realize by manually constantly moving a kind of special engine vehicle frame repeatedly, by artificial rotation hand wheel engine is advanced aircraft after aiming at.This mode installation accuracy and operating efficiency are all lower, can not adapt to the requirement of aircraft digitlization and automation assembling, develop a kind of engine posture adjustment and automation installation system based on laser measurement, automation location and computer movement control technology and have important practical significance and be worth.
Summary of the invention
The objective of the invention is problems such as, security reliability difference low at the alignment difficulties that exists in the available engine installation process, efficient, in conjunction with certain type aircraft pulsation assembling line construction, provide a kind of aircraft engine posture adjustment installation system and using method based on four digital control location devices.
By engine hanging component being installed on car, posture adjustment platform, posture adjustment locator group, laser tracker, the engine based on the aircraft engine posture adjustment installation system of four digital control location devices forms; Posture adjustment locator group is placed on below the ground level, is provided with posture adjustment platform, engine installation car on the posture adjustment locator group in turn, and laser tracker is placed on the ground level, apart from the posture adjustment platform apart from high 3-5 rice; Posture adjustment locator group is made up of switch board and four locater, locator comprise servomotor, oscillating bearing, Z to telescopic mast, X to slide unit, Y to slide unit, guide rail slide block, absolute grating chi and locator base; The shared base of per two locators, switch board is placed between two bases; Y is placed on the locator base to slide unit, constitutes the moving movement pair by guide rail slide block and locator base, and Y is provided with X in turn and constitutes moving sets to slide unit by the guide rail slide block to slide unit and Y to telescopic mast X to slide unit and Z on slide unit; Wherein, Y is installed on the locator base to the motor on the slide unit, and X is installed in X to slide unit and Z on slide unit to the motor of telescopic mast, and X, Y, three directions of Z are all made position feedback by transmission of high precision ball lead screw pair and absolute grating chi; Z is provided with oscillating bearing to the telescopic mast top, and locator is connected with the posture adjustment platform by oscillating bearing; The posture adjustment platform is provided with two cover location taper hole, guider and thrust blocks.
Described engine is installed car and is comprised vehicle frame, preceding hinged assembly, guide rail, driving-chain, rear base plate assembly, handwheel assembly, universal caster wheel, locating cone assembly, guider and direct current generator; Engine is installed the vehicle carriage bottom and is provided with universal caster wheel, locating cone assembly and guider, vehicle frame is provided with direct current generator, preceding hinged assembly, guide rail, driving-chain, rear base plate assembly, handwheel assembly, direct current generator links to each other with driving-chain, guide rail is provided with the rear base plate assembly, and the rear base plate assembly is provided with right side after-poppet assembly, left side after-poppet assembly.It is that bolt is connected that preceding hinged assembly is installed car with engine, and rear base plate assembly and engine are installed between the car and be provided with the guide rail slide block assembly, makes the rear base plate assembly along engine car guide rail direction is installed and moves.
Hanging component comprises auxiliary guide rail, retaining pin and the engine installation guide wheel hung on the described engine;
The model of the laser tracker that is adopted is LTD640;
Step based on the using method of the aircraft engine posture adjustment installation system of four digital control location devices is as follows:
1) manually engine is installed car is pushed into assigned address along the gathering sill on the posture adjustment platform, and the locating cone assembly of engine installation car bottom inserts location taper hole and the locking on the posture adjustment platform, and posture adjustment locator group supports the posture adjustment platform;
2) engine is lifted engine and install on the car, and with engine car is installed and is connected firmly by preceding hinged assembly, left side after-poppet assembly, right side after-poppet assembly;
3) the auxiliary guide rail of hanging with hanging component on the engine is installed on the fuselage, engine is installed guide wheel be installed on the engine, carries out the preparation of engine posture adjustment and installation;
4) laser tracker is measured the measurement point position in the reference frame at the scene on fuselage and the engine, determines the engine attitude under the coordinate system at the scene;
5) pose of the relative fuselage of computer master control system calculation engine is planned the posture adjustment path, generates the track of each digital control location device three-dimensional direction;
6) master control system is controlled the motion in X, Y, three directions of Z of each locator in the posture adjustment locator group according to the gained track, and the four locater cooperative motion is finished the attitude adjustment of engine.Finally make engine attitude level, axis direction is consistent with vector, and it is consistent with the auxiliary rail height of hanging on the fuselage to make engine that idler height is installed, engine posture adjustment end;
7) master control system driving posture adjustment locator group drive posture adjustment platform, is hung the installation guide wheel on the engine in the fuselage interior auxiliary guide rail groove, and is locked retaining pin at the auxiliary guide rail rear near aircraft along the course, prevents that guide wheel from skidding off; Unclamp the nut that the fixing preceding hinged assembly joint of car front end bolt is installed, the posture adjustment platform edges down, and makes guide wheel tangle auxiliary guide rail, and fuselage begins to bear engine weight, removes the fore-stock assembly then;
8) artificial hand-cranking engine is installed the handwheel on the car, transmission device drives the rear base plate assembly and moves along the car guide rail is installed, engine is pushed fuselage along auxiliary guide rail groove in the fuselage, manual observation Engine Surface and fuselage inwall gap situation, start power-jdriven gear if the engine progradation is smooth and easy, drive the forward launch machine by direct current generator and push ahead automatically;
9) after engine puts in place, manually finish the affixed work of engine and fuselage, guide wheel and the auxiliary mounting guide rail of aircraft inwall are installed in the removal of engine top, and the engine installment work is finished;
10) the motor-driven rear base plate assembly of installing on the car by engine resets fast, and locator group and posture adjustment platform withdraw from, reset, and engine is installed car and withdrawn.
The present invention compared with prior art has beneficial effect:
1) when engine is pushed fuselage, by the break-make of electromagnetic clutch, available artificial and automation is docked two kinds of mode activated engines and is advanced installation effectiveness height, good reliability;
2) the posture adjustment mechanism of native system is made up of 4 locators, each locator is all by driven by servomotor, decelerator and ball-screw auxiliary driving, and absolute grating chi is done position feedback, can on X, Y, three directions of Z, realize the control of full cut-off ring, system's posture adjustment precision height, efficient height;
3) adopt laser tracker to carry out attitude measurement, technology maturation, certainty of measurement height;
4) posture adjustment locator group is installed in below the ground level, can adjust the height of engine posture adjustment platform by control locator Z to the position of telescopic mast, after finishing the engine installation, the locator group can be reduced to the posture adjustment platform below the ground level, does not influence other equipment and passes through;
5) has gathering sill on the posture adjustment platform, the guider of its underpart can guarantee car body and vector basically identical when engine installation car pushed, making things convenient for engine that car is installed locatees fast, the gathering sill end is provided with thrust block, can prevent that engine from installing car and fuselage collides, engine is installed car and is gone into bit manipulation process safety, efficient height;
6) for engine car is installed on the engine posture adjustment platform and has been set left and right two positions, for engine car is installed and is parked, and left and right two cover guide chutes and location taper hole are arranged, can realize the installation of left and right engine easily.
Description of drawings
Fig. 1 is based on the engine posture adjustment platform and the automation installation system structural representation of four digital control location devices;
Fig. 2 hangs the part partial enlarged drawing on the guide wheel of the present invention;
Fig. 3 is that engine of the present invention is installed the bassinet structure schematic diagram;
Fig. 4 is a posture adjustment locator group structural representation of the present invention;
Fig. 5 is a posture adjustment platform structure schematic diagram of the present invention;
Fig. 6 is the workflow diagram of master control system of the present invention;
Among the figure: ground 1, engine is installed car 2, posture adjustment platform 3, posture adjustment locator group 4, laser tracker 5, fuselage 6, hanging component 7 on the engine, engine 8, the auxiliary guide rail 9 of hanging, retaining pin 10, engine is installed guide wheel 11, engine vehicle frame 12, preceding hinged assembly 13, guide rail 14, driving-chain 15, right side after-poppet assembly 16, rear base plate assembly 17, left side after-poppet assembly 18, handwheel 19, universal wheel 20, locating cone 21, guider 22, locator 23, switch board 24, servomotor 25, oscillating bearing 26, Z is to telescopic mast 27, X is to slide unit 28, Y is to slide unit 29, guide rail slide block 30, grating chi 31, locator base 32, location taper hole 33, gathering sill 34, thrust block 35.
The specific embodiment
Shown in Fig. 1,4,5, form by hanging component 7 on engine installation car 2, posture adjustment platform 3, posture adjustment locator group 4, laser tracker 5, the engine based on the aircraft engine posture adjustment installation system of four digital control location devices; Posture adjustment locator group 4 is placed on below the ground level, is provided with posture adjustment platform 3, engine on the posture adjustment locator group 4 in turn car 2 is installed, and laser tracker 5 is placed on the ground level, apart from posture adjustment platform 3 apart from 3-5 rice; Posture adjustment locator group 4 is made up of switch board 24 and four locater 23, locator comprise servomotor 25, oscillating bearing 26, Z to telescopic mast 27, X to slide unit 28, Y to slide unit 29, guide rail slide block 30, absolute grating chi 31 and locator base 32; The shared base 32 of per two locators, switch board 24 is placed between two bases 32; Y is placed on the locator base 32 to slide unit 29, constitute the moving movement pair by guide rail slide block 30 and locator base 32, Y on slide unit 29, be provided with in turn X to slide unit 28 and Z to telescopic mast 27, X constitutes moving sets to slide unit 29 by guide rail slide block 30 with Y to slide unit 28; Wherein, Y is installed on the locator base 32 to the motor on the slide unit 29, and X is installed in X to slide unit 28 and Z on slide unit 29 to the motor of telescopic mast 27, and X, Y, three directions of Z are all made position feedback by transmission of high precision ball lead screw pair and absolute grating chi 31; Z is provided with oscillating bearing 26 to telescopic mast 27 tops, and locator 23 is connected with posture adjustment platform 3 by oscillating bearing 26; Posture adjustment platform 3 is provided with two cover location taper hole 33, guider 34 and thrust blocks 35, and two stations are arranged, and can use when left and right engine is installed respectively.
The model of the laser tracker 5 that is adopted is LTD640.
As shown in Figure 2, hanging component 7 comprises auxiliary guide rail 9, retaining pin 10 and the engine installation guide wheel 11 hung on the described engine.
As shown in Figure 3, engine installation car 2 comprises vehicle frame 12, preceding hinged assembly 13, guide rail 14, driving-chain 15, rear base plate assembly 17, handwheel assembly 19, universal caster wheel 20, locating cone assembly 21, guider 22 and direct current generator; Engine is installed vehicle carriage 12 bottoms and is provided with universal caster wheel 20, locating cone assembly 21 and guider 22, vehicle frame 12 is provided with direct current generator, preceding hinged assembly 13, guide rail 14, driving-chain 15, rear base plate assembly 17, handwheel assembly 19, direct current generator links to each other with driving-chain 15, guide rail 14 is provided with rear base plate assembly 17, and rear base plate assembly 17 is provided with right side after-poppet assembly 16, left side after-poppet assembly 18.Preceding hinged assembly 13 is installed car 2 for bolt is connected with engine, and rear base plate assembly 17 and engine are installed between the car 2 and be provided with the guide rail slide block assembly, makes rear base plate assembly 17 along engine car guide rail 14 directions are installed and moves.
As shown in Figure 6, the workflow of master control system is laser measurement, the evaluation of engine attitude, path planning, engine posture adjustment, error assessment, engine posture adjustment end.
Step based on the using method of the aircraft engine posture adjustment installation system of four digital control location devices is as follows:
1) manually engine is installed car 2 is pushed into assigned address along the gathering sill on the posture adjustment platform 3 34, and the locating cone assembly 21 of engine installation car 2 bottoms inserts location taper hole 33 and the locking on the posture adjustment platforms, and posture adjustment locator group 4 supports posture adjustment platform 3;
2) engine 8 is lifted engine and install on the car 2, and with engine car 2 is installed and is connected firmly by preceding hinged assembly 13, left side after-poppet assembly 18, right side after-poppet assembly 16;
3) the auxiliary guide rail 9 of hanging with hanging component on the engine 7 is installed on the fuselage 6, engine is installed guide wheel 11 be installed on the engine 8, carries out the preparation of engine posture adjustment and installation;
4) laser tracker 5 is measured the measurement point position in the reference frame at the scene on fuselages 6 and the engine 8, determines engine 8 attitude under the coordinate system at the scene;
5) pose of computer master control system calculation engine 8 relative fuselages 6 is planned the posture adjustment path, generates the track of each digital control location device three-dimensional direction;
6) master control system is controlled the motion in X, Y, three directions of Z of each locator in the posture adjustment locator group 4 according to the gained track, and four locater 23 cooperative motions are finished the attitude adjustment of engine 8.Finally make engine 8 attitude levels, axis direction is consistent with vector, and making engine that auxiliary on guide wheel 11 height and the fuselage 6 is installed, to hang guide rail 9 highly consistent, engine 8 posture adjustments end;
7) master control system drive posture adjustment locator group 4 drive posture adjustment platform 3 along the course near aircraft, the installation guide wheel on the engine 8 11 is hung in the fuselage interior auxiliary guide rail groove 9, and locks retaining pin 10 at auxiliary guide rail 9 rears, prevent that guide wheel 11 from skidding off; Unclamp the nut that the fixing preceding hinged assembly 13 joint bolts of car front end are installed, posture adjustment platform 3 edges down, and makes guide wheel 11 tangle auxiliary guide rail 9, and fuselage 6 begins to bear engine 2 weight, removes fore-stock assembly 13 then;
8) artificial hand-cranking engine is installed the handwheel 19 on the car 2, transmission device drives rear base plate assembly 17 and moves along car guide rail 14 is installed, engine 8 is pushed fuselage 6 along auxiliary guide rail groove 9 in the fuselage, manual observation engine 8 surfaces and fuselage 6 inwall gap situations, start power-jdriven gear if engine 8 progradations are smooth and easy, drive forward launch machine 8 by direct current generator and push ahead automatically;
9) after engine 8 puts in place, manually finish the affixed work of engine 8 and fuselage 6, guide wheel 11 and the auxiliary mounting guide rail 9 of aircraft inwall are installed in the removal of engine top, and engine 8 installment works are finished;
10) the motor-driven rear base plate assembly of installing on the car 2 by engine 17 resets fast, and locator group 4 posture adjustment platforms 3 withdraw from, reset, and engine is installed car 2 and withdrawn.
Claims (5)
1. aircraft engine posture adjustment installation system based on four digital control location devices is characterized in that system installs on car (2), posture adjustment platform (3), posture adjustment locator group (4), laser tracker (5), the engine hanging component (7) by engine and form; Posture adjustment locator group (4) is placed on below the ground level, is provided with posture adjustment platform (3), engine installation car (2) on the posture adjustment locator group (4) in turn, and laser tracker (5) is placed on the ground level, apart from posture adjustment platform (3) 3-5 rice; Posture adjustment locator group (4) is made up of switch board (24) and four locater (23), locator comprise servomotor (25), oscillating bearing (26), Z to telescopic mast (27), X to slide unit (28), Y to slide unit (29), guide rail slide block (30), absolute grating chi (31) and locator base (32); Per shared bases of two locators (32), switch board (24) are placed between two bases (32); Y is placed on the locator base (32) to slide unit (29), constitute the moving movement pair by guide rail slide block (30) and locator base (32), Y on slide unit (29), be provided with in turn X to slide unit (28) and Z to telescopic mast (27), X constitutes moving sets to slide unit (29) by guide rail slide block (30) with Y to slide unit (28); Wherein, Y is installed on the locator base (32) to the motor on the slide unit (29), X is installed in X to slide unit (28) and Z on slide unit (29) to the motor of telescopic mast (27), and X, Y, three directions of Z are all made position feedback by transmission of high precision ball lead screw pair and absolute grating chi (31); Z is provided with oscillating bearing (26) to telescopic mast (27) top, and locator (23) is connected with posture adjustment platform (3) by oscillating bearing (26); Posture adjustment platform (3) is provided with two cover location taper hole (33), guider (34) and thrust blocks (35).
2. a kind of aircraft engine posture adjustment installation system based on four digital control location devices according to claim 1 is characterized in that described engine installation car (2) comprises vehicle frame (12), preceding hinged assembly (13), guide rail (14), driving-chain (15), rear base plate assembly (17), handwheel assembly (19), universal caster wheel (20), locating cone assembly (21), guider (22) and direct current generator; Engine is installed vehicle carriage (12) bottom and is provided with universal caster wheel (20), locating cone assembly (21) and guider (22), vehicle frame (12) is provided with direct current generator, preceding hinged assembly (13), guide rail (14), driving-chain (15), rear base plate assembly (17), handwheel assembly (19), direct current generator links to each other with driving-chain (15), guide rail (14) is provided with rear base plate assembly (17), and rear base plate assembly (17) is provided with right side after-poppet assembly (16), left side after-poppet assembly (18).Preceding hinged assembly (13) is installed car (2) for bolt is connected with engine, and rear base plate assembly (17) and engine are installed between the car (2) and be provided with the guide rail slide block assembly, makes rear base plate assembly (17) along engine car guide rail (14) direction is installed and moves.
3. a kind of aircraft engine posture adjustment installation system based on four digital control location devices according to claim 1 is characterized in that hanging component on the described engine (7) comprises auxiliary guide rail (9), retaining pin (10) and the engine installation guide wheel (11) hung.
4. a kind of aircraft engine posture adjustment installation system based on four digital control location devices according to claim 1 is characterized in that the model of the laser tracker (5) that adopted is LTD640.
5. the using method of the aircraft engine posture adjustment installation system based on four digital control location devices according to claim 1 is characterized in that its step is as follows:
1) manually engine is installed car (2) and be pushed into assigned address along the gathering sill (34) on the posture adjustment platform (3), the locating cone assembly (21) of engine installation car (2) bottom inserts location taper hole (33) and the locking on the posture adjustment platform, and posture adjustment locator group (4) supports posture adjustment platform (3);
2) engine (8) is lifted engine and install on the car (2), and with engine car (2) is installed and is connected firmly by preceding hinged assembly (13), left side after-poppet assembly (18), right side after-poppet assembly (16);
3) the auxiliary guide rail (9) of hanging with hanging component on the engine (7) is installed on the fuselage (6), engine is installed guide wheel (11) be installed on the engine (8), carries out the preparation of engine posture adjustment and installation;
4) laser tracker (5) is measured the measurement point position in the reference frame at the scene on fuselage (6) and the engine (8), determines engine (8) attitude under the coordinate system at the scene;
5) pose of the relative fuselage (6) of computer master control system calculation engine (8) is planned the posture adjustment path, generates the track of each digital control location device three-dimensional direction;
6) master control system is controlled the motion in X, Y, three directions of Z of each locator in the posture adjustment locator group (4) according to the gained track, and four locater (23) cooperative motion is finished the attitude adjustment of engine (8).Finally make engine (8) attitude level, axis direction is consistent with vector, and making engine that auxiliary on guide wheel (11) height and the fuselage (6) is installed, to hang guide rail (9) highly consistent, engine (8) posture adjustment end;
7) master control system drive posture adjustment locator group (4) drive posture adjustment platform (3) along the course near aircraft, installation guide wheel (11) on the engine (8) is hung in the fuselage interior auxiliary guide rail groove (9), and lock retaining pin (10) at auxiliary guide rail (9) rear, prevent that guide wheel (11) from skidding off; Unclamp the nut that fixing preceding hinged assembly (13) joint of car front end bolt is installed, posture adjustment platform (3) edges down, and makes guide wheel (11) tangle auxiliary guide rail (9), and fuselage (6) begins to bear engine (2) weight, removes fore-stock assembly (13) then;
8) artificial hand-cranking engine is installed the handwheel (19) on the car (2), transmission device drives rear base plate assembly (17) and moves along car guide rail (14) is installed, engine (8) is pushed fuselage (6) along auxiliary guide rail groove (9) in the fuselage, manual observation engine (8) surface and fuselage (6) inwall gap situation, if engine (8) progradation is smooth and easy then start power-jdriven gear, drives forward launch machine (8) by direct current generator and push ahead automatically;
9) after engine (8) puts in place, manually finish the affixed work of engine (8) and fuselage (6), guide wheel (11) and the auxiliary mounting guide rail (9) of aircraft inwall are installed in the removal of engine top, and engine (8) installment work is finished;
10) the motor-driven rear base plate assembly of installing on the car (2) by engine (17) resets fast, and locator group (4) and posture adjustment platform (3) withdraw from, reset, and engine is installed car (2) and withdrawn.
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| CN2010105453781A CN102059549B (en) | 2010-11-12 | 2010-11-12 | Airplane engine attitude regulation installation system based on four numerical control positioners and use method thereof |
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Inventor after: Ke Yinglin Inventor after: He Shengqiang Inventor after: Du Jiang Inventor after: Li Jiangxiong Inventor after: Huang Pujin Inventor after: Zhan Jianchao Inventor after: Fang Yong Inventor before: Ke Yinglin Inventor before: Du Jiang Inventor before: Li Jiangxiong Inventor before: Huang Pujin Inventor before: Zhan Jianchao Inventor before: Fang Yong |
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Free format text: CORRECT: INVENTOR; FROM: KE YINGLIN DU JIANG LI JIANGXIONG HUANG PUJIN ZHAN JIANCHAO FANG YONG TO: KE YINGLIN HE SHENGQIANG DU JIANG LI JIANGXIONG HUANG PUJIN ZHAN JIANCHAO FANG YONG |
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