CN104440808A - Aero-engine rotor-stator two-degree-of-freedom adjustment positioning device based on circumferential force decoupling - Google Patents
Aero-engine rotor-stator two-degree-of-freedom adjustment positioning device based on circumferential force decoupling Download PDFInfo
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- CN104440808A CN104440808A CN201410591392.3A CN201410591392A CN104440808A CN 104440808 A CN104440808 A CN 104440808A CN 201410591392 A CN201410591392 A CN 201410591392A CN 104440808 A CN104440808 A CN 104440808A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
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Abstract
The invention discloses an aero-engine rotor-stator two-degree-of-freedom adjustment positioning device based on circumferential force decoupling and belongs to the technical field of precision instruments and machinery. According to the device, an operation device is used for adjusting the position of a limit unit, so that a main guide component and a subsidiary guide component make contact with a guide working face of a moving table to guide the moving table to move along the X-axis and the Y-axis; when a driving rod is screwed in, circumferential force is decoupled through a near-end bearing and a far-end bearing, and the axial driving force is transmitted to a connecting block to drive the moving table to move forwards; when the driving rod is screwed out, the circumferential force is decoupled through the near-end bearing and the far-end bearing, and the axial driving force is transmitted to the X-direction connecting block to drive the moving table to move reversely; as a result, the moving table can move along the X-axis and the Y-axis with high accuracy and high stability. By means of the aero-engine rotor-stator two-degree-of-freedom adjustment positioning device, a plane two-dimensional motion benchmark and platform integrating high accuracy and high stability is established.
Description
Technical field
The invention belongs to Precision Instrument and Machinery technical field, particularly a kind of aero-engine based on peripheral force decoupling zero turns stator two-freedom adjustment positioner.
Background technology
In recent years, along with advanced equipment manufacturing industry is gradually towards precise treatment and the development of superfinishing densification, the particularly continuous lifting of aero-engine performance, more and more higher to the required precision of engine process and assemble, especially, while the higher thrust-weight ratio of pursuit, the impact of factor on performance such as engine luggine, noise produced due to rigging error highlights gradually.This just proposes stern challenge to the test equipment performance of engine, has thus also had higher requirement to used adjustment positioning table performance.
2000, the people such as the Samir Mckid of French Compiegne polytechnical university were supported in the friction-driven workbench of development by hydrostatic slideway, and employed Zero-expansion material devitrified glass making guide rail, thus can reduce the requirement to environment.This table stroke is 220mm, positioning precision can reach 16nm. (Mekid S. High precision linear slide. Part I:design and construction [J]. International Journal of Machine Tools and Manufacture, 2000,40 (7): 1039 ~ 1050).
Calendar year 2001, the people such as the Shinno of Tokyo Institute of Technology have developed mixed straight line motor-driven two-stage drive Long Distances Ultraprecise platform, linear electric motors are adopted to carry out coarse positioning, voice coil motor precision positioning (Shinno H, Hashizume H. High speed nanometer positioning using a hybrid linear motor [J]. CIRP Annals-Manufacturing Technology, 2001,50 (1): 243 ~ 246).
The people such as the Chao.C.L of Taiwan Danjiang University also expand research to precision adjustment positioning table, and they adopt friction pulley to drive and the mode of air supporting designs workbench, use laser interferometer as feedback measurement mechanism.This workbench is in the environment of temperature 20 ± 1 DEG C with humidity 60 ± 5%, its positioning precision is better than 15nm (Chao.C.L, Neou J. Model reference adaptive control of air-lubricated capstan drive for precision positioning [J]. Precision engineering, 2000,24 (4): 285 ~ 290).
2003, the people such as Mao J, the Tachikawa H of Tokyo Institute of Technology, successfully have developed the ultraprecise nanopositioning stage adopting linear electric motors driving and static air pressure leading screw actuation techniques, and use aerostatic guide way to carry out supporting and leading, the positioning precision of whole workbench can reach ± 2nm (Mao J, Tachikawa H, Shimokohbe A. Precision positioning of a DC-motor-driven aerostatic slide system [J]. Precision engineering, 2003,27 (1): 32 ~ 41).
Above-mentioned motion platform all has higher positioning precision and displacement resolving power, but is all work in underloading situation, cannot meet the heavy load requirement of in aero-engine assembling hundreds of kilograms.
Patent CN201310166438 " Large-stroke micro-drive precise two-dimensional worktable " proposes a kind of Large-stroke micro-drive precise two-dimensional worktable, for one grand/micro-move device integrated structure; X comprises X to Long Distances feed arrangement and X to micro-feeding device to feed arrangement, and Y-direction feed arrangement comprises Y-direction Long Distances feed arrangement and Y-direction micro-feeding device; Y-direction Long Distances feed arrangement is arranged at X on micro-feeding device and can be mobile to the feed motion of micro-feeding device with X; The transition connecting plate of base is connected with lathe.
Patent CN200620072502 " large stroke and high precision two-dimentional work bench " proposes a kind of large stroke and high precision two-dimentional work bench, combined-type magnetic is adopted to float-rail plate, the version that the top guide face arranging two-dimensional movement workbench coincides with the measuring surface measuring grating, arranges and drives district and the isolation of workspace secondary.
Patent CN200920177016 " single-layer small stroke two-dimensional workbench " proposes a kind of single-layer small stroke two-dimensional workbench, be made up of fixing slide block, transition slide block, target slide block, leaf spring and adjustment screw, adopt ring-type plank frame, by the acting in conjunction of adjustment screw and leaf spring, make target slide block in same level layer, complete the movement of X-axis, Y-axis two-dimensional directional, the two-dimentional work bench solving general dual layer structure takies the problem of larger space.
The common problem that above-mentioned prior art exists is when large load, cannot realize high accuracy and the high resolution of adjusting device; But in aero-engine assembling, engine turns the revolving body such as stator and associated clamps assembly and weighs hundreds of kilograms, its assembly work is directly carried out on the table, debug middle need and repeatedly adjust work in a large number to ensure assembly precision, this just requires that the adjustment workbench used can bear large load and have very high adjustment positioning precision.
Summary of the invention
Object of the present invention is exactly for above-mentioned prior art Problems existing, a kind of plane two-freedom adjusting device based on peripheral force decoupling zero is proposed, position adjustment is carried out by manipulation device subtend position-limiting unit, main guiding parts is contacted with the guiding working face of sports platform with sub-guide member, and guided-moving platform moves along X-axis and Y-axis; Near-end bearing and far-end bearing decoupling zero peripheral force, transmit axial driving force, actuation movement platform moves along X-axis and Y-axis; Reach the object that precise motion platform moves with Y-direction high accuracy, high stability in X direction.
Above-mentioned purpose is realized by following technical scheme:
A kind of aero-engine based on peripheral force decoupling zero turns stator two-freedom adjustment positioner, comprise inside casing, housing and sports platform, when sports platform moves along X-axis, inside casing and housing all keep transfixion, when sports platform moves along Y-axis, housing keeps transfixion, and inside casing and sports platform are synchronized with the movement; X moves to motion adjusting device actuation movement platform along X-axis and locates, and Y-direction motion adjusting device actuation movement platform moves along Y-axis and locates; X to motion adjusting device and the Y-direction motion adjusting device direction of motion mutually orthogonal.
X to motion adjusting device comprise X to packing ring, X proximally bearing, X to trip bolt, X to drive rod, X to contiguous block and X distally bearing; Described X to trip bolt and X to drive rod threaded engagement, compress X proximally bearing inner race and X to drive rod, compression X distally bearing inner race and X to drive rod; Described X proximally bearing outer ring is connected to contiguous block with X, and X distally bearing outer ring is connected to contiguous block with X.
Y-direction motion adjusting device comprises Y-direction packing ring, Y-direction near-end bearing, Y-direction trip bolt, Y-direction drive rod, Y-direction contiguous block and Y-direction far-end bearing; Described Y-direction trip bolt and Y-direction drive rod threaded engagement, compress Y-direction near-end bearing inner race and Y-direction drive rod, Y-direction far-end bearing inner race and Y-direction drive rod; Described Y-direction proximal shaft bearing outer-ring is connected with Y-direction contiguous block, Y-direction distal shaft bearing outer-ring is connected with Y-direction contiguous block.
In the X-axis direction of motion, by X fore-and-aft motion, X is adjusted to position-limiting unit position, X is contacted with the guiding working face of sports platform to sub-guide member with X to main guiding parts; X is to drive rod precession, and by X proximally bearing and X distally bearing decoupling zero peripheral force, axial driving force is passed to X to contiguous block, actuation movement platform is along X-axis positive movement; X screws out to drive rod, and by X proximally bearing and X distally bearing decoupling zero peripheral force, axial driving force is passed to X to contiguous block, actuation movement platform is along X-axis counter motion.
In the Y-axis direction of motion, by Y-direction manipulation device to the adjustment of Y-direction position-limiting unit position, the main guiding parts of Y-direction is contacted with the guiding working face of inside casing with Y-direction sub-guide member; Y-direction drive rod is identical with reverse drive mode to the forward of sports platform to drive rod with X with reverse drive mode to the forward of inside casing.
In the X-axis direction of motion, the axial pre tightening force of X proximally bearing and X distally bearing is regulated to trip bolt and X to packing ring by X; In the Y-axis direction of motion, by Y-direction trip bolt and Y-direction packing ring, the axial pre tightening force to Y-direction near-end bearing and Y-direction far-end bearing regulates.
X proximally bearing and X distally bearing while decoupling zero peripheral force, transmit the axial driving force along X-axis; Y-direction near-end bearing and Y-direction far-end bearing, while decoupling zero peripheral force, transmit the axial driving force along Y-axis.
The present invention has following characteristics and beneficial effect:
1, in apparatus of the present invention, near-end bearing and far-end bearing pairing use, and improve kinematic accuracy and the stability of motion adjusting device; This dual bearing structure can transmit axial driving force while decoupling zero peripheral force, eliminates the error that peripheral force causes, improves axially-movable precision;
2, when in apparatus of the present invention, X works to motion adjusting device, X has relative circumferential movement to drive rod and X between contiguous block, and its friction mode is the rolling friction of X proximally bearing and X distally bearing itself; Have relative circumferential movement between Y-direction drive rod and Y-direction contiguous block, its friction mode is the rolling friction of Y-direction near-end bearing and X distally bearing itself;
3, apparatus of the present invention are of many uses, the two-dimentional Design and manufacture driving adjusting device under being particularly useful for the heavy load occasion in aero-engine assembling.
Accompanying drawing explanation
Fig. 1 turns stator two-freedom adjustment positioner schematic diagram based on the aero-engine of peripheral force decoupling zero;
Fig. 2 is that X is to motion adjusting device section of structure;
Fig. 3 is Y-direction motion adjusting device section of structure.
In figure: 1, inside casing; 2, housing; 3, Y-direction motion adjusting device; 4, X is to main guiding parts; 5, sports platform; 6, Y-direction sub-guide member; 7, Y-direction position-limiting unit; 8, Y-direction control stick; 9, X is to sub-guide member; 10, X is to position-limiting unit; 11, X is to control stick; 12, the main guiding parts of Y-direction; 13, X is to motion adjusting device; 14, X is to packing ring; 15, X proximally bearing inner race; 16, X proximally bearing; 17, X proximally bearing outer ring; 18, X is to trip bolt; 19, X is to drive rod; 20, X is to contiguous block; 21, X distally bearing outer ring; 22, X distally bearing; 23, X distally bearing inner race; 24, Y-direction far-end bearing inner race; 25, Y-direction far-end bearing; 26, Y-direction distal shaft bearing outer-ring; 27, Y-direction contiguous block; 28, Y-direction packing ring; 29, Y-direction drive rod; 30, Y-direction proximal shaft bearing outer-ring; 31, Y-direction near-end bearing; 32, Y-direction near-end bearing inner race; 33, Y-direction trip bolt.
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
A kind of aero-engine based on peripheral force decoupling zero turns stator two-freedom adjustment positioner, comprise inside casing 1, housing 2 and sports platform 5, when sports platform 5 moves along X-axis, inside casing 1 and housing 2 all keep transfixion, when sports platform 5 moves along Y-axis, housing 2 keeps transfixion, and inside casing 1 and sports platform 5 are synchronized with the movement; X moves to motion adjusting device 13 actuation movement platform 5 along X-axis and locates, and Y-direction motion adjusting device 3 actuation movement platform 5 moves along Y-axis and locates; X is mutually orthogonal to motion adjusting device 13 and Y-direction motion adjusting device 3 direction of motion.
X to motion adjusting device 13 comprise X to packing ring 14, X proximally bearing 16, X to trip bolt 18, X to drive rod 19, X to contiguous block 20 and X distally bearing 22; Described X to trip bolt 18 and X to drive rod 19 threaded engagement, compress X proximally bearing inner race 15 and X to drive rod 19, compress X distally bearing inner race 23 and X to drive rod 19; Described X proximally bearing outer ring 17 is connected to contiguous block 20 with X, and X distally bearing outer ring 21 is connected to contiguous block 20 with X.
Y-direction motion adjusting device 3 comprises Y-direction packing ring 28, Y-direction near-end bearing 31, Y-direction trip bolt 33, Y-direction drive rod 29, Y-direction contiguous block 27 and Y-direction far-end bearing 25; Described Y-direction trip bolt 33 and Y-direction drive rod 29 threaded engagement, compress Y-direction near-end bearing inner race 32 and Y-direction drive rod 29, compress Y-direction far-end bearing inner race 24 and Y-direction drive rod 29; Described Y-direction proximal shaft bearing outer-ring 30 is connected with Y-direction contiguous block 27, Y-direction distal shaft bearing outer-ring 26 is connected with Y-direction contiguous block 27.
In the X-axis direction of motion, by X fore-and-aft motion 11 couples of X to the adjustment of position-limiting unit 10 position, X is contacted with the guiding working face of sports platform 5 to sub-guide member 9 with X to main guiding parts 4; X is to drive rod 19 precession, and by X proximally bearing 16 and X distally bearing 22 decoupling zero peripheral force, axial driving force is passed to X to contiguous block 20, actuation movement platform 5 is along X-axis positive movement; X screws out to drive rod 19, and by X proximally bearing 16 and X distally bearing 22 decoupling zero peripheral force, axial driving force is passed to X to contiguous block 20, actuation movement platform 5 is along X-axis counter motion.
In the Y-axis direction of motion, by the 8 pairs of Y-direction position-limiting unit 7 position adjustment of Y-direction manipulation device, the main guiding parts 12 of Y-direction is contacted with the guiding working face of inside casing 1 with Y-direction sub-guide member 6; The forward of Y-direction drive rod 29 pairs of inside casings 1 is identical with reverse drive mode to the forward of drive rod 19 pairs of sports platforms 5 with X with reverse drive mode.
In the X-axis direction of motion, regulated to the axial pre tightening force of packing ring 14 couples of X proximally bearing 16 and X distally bearing 22 to trip bolt 18 and X by X; In the Y-axis direction of motion, regulated by the axial pre tightening force of Y-direction trip bolt 33 and Y-direction packing ring 28 pairs of Y-direction near-end bearings 31 and Y-direction far-end bearing 25.
X proximally bearing 16 and X distally bearing 22 while decoupling zero peripheral force, transmit the axial driving force along X-axis; Y-direction near-end bearing 31 and Y-direction far-end bearing 25, while decoupling zero peripheral force, transmit the axial driving force along Y-axis.
Claims (3)
1. the aero-engine based on peripheral force decoupling zero turns stator two-freedom adjustment positioner, comprise inside casing (1), housing (2) and sports platform (5), when sports platform (5) moves along X-axis, inside casing (1) and housing (2) all keep transfixion, when sports platform (5) moves along Y-axis, housing (2) keeps transfixion, and inside casing (1) and sports platform (5) are synchronized with the movement; X moves to motion adjusting device (13) actuation movement platform (5) along X-axis and locates, and Y-direction motion adjusting device (3) actuation movement platform (5) moves along Y-axis and locates; X is mutually orthogonal to motion adjusting device (13) and Y-direction motion adjusting device (3) direction of motion; It is characterized in that:
X to motion adjusting device (13) comprise X to packing ring (14), X proximally bearing (16), X to trip bolt (18), X to drive rod (19), X to contiguous block (20) and X distally bearing (22); Described X is to trip bolt (18) and X to drive rod (19) threaded engagement, compress X proximally bearing inner race (15) and X to drive rod (19), compress X distally bearing inner race (23) and X to drive rod (19); Described X proximally bearing outer ring (17) is connected to contiguous block (20) with X, and X distally bearing outer ring (21) is connected to contiguous block (20) with X;
Y-direction motion adjusting device (3) comprises Y-direction packing ring (28), Y-direction near-end bearing (31), Y-direction trip bolt (33), Y-direction drive rod (29), Y-direction contiguous block (27) and Y-direction far-end bearing (25); Described Y-direction trip bolt (33) and Y-direction drive rod (29) threaded engagement, compress Y-direction near-end bearing inner race (32) and Y-direction drive rod (29), Y-direction far-end bearing inner race (24) and Y-direction drive rod (29); Described Y-direction proximal shaft bearing outer-ring (30) is connected with Y-direction contiguous block (27), Y-direction distal shaft bearing outer-ring (26) is connected with Y-direction contiguous block (27);
In the X-axis direction of motion, by X fore-and-aft motion (11) to X to the adjustment of position-limiting unit (10) position, the guiding working face of X to main guiding parts (4) and X to sub-guide member (9) with sports platform (5) is contacted; X is to drive rod (19) precession, by X proximally bearing (16) and X distally bearing (22) decoupling zero peripheral force, axial driving force is passed to X to contiguous block (20), actuation movement platform (5) is along X-axis positive movement; X screws out to drive rod (19), by X proximally bearing (16) and X distally bearing (22) decoupling zero peripheral force, axial driving force is passed to X to contiguous block (20), actuation movement platform (5) is along X-axis counter motion;
In the Y-axis direction of motion, by Y-direction manipulation device (8) to the adjustment of Y-direction position-limiting unit (7) position, the main guiding parts of Y-direction (12) is contacted with the guiding working face of Y-direction sub-guide member (6) with inside casing (1); Y-direction drive rod (29) is to the forward of inside casing (1) and reverse drive mode, identical with reverse drive mode to the forward of drive rod (19) to sports platform (5) with X.
2. a kind of aero-engine based on peripheral force decoupling zero according to claim 1 turns stator two-freedom adjustment positioner, it is characterized in that: in the X-axis direction of motion, to trip bolt (18) and X to packing ring (14), the axial pre tightening force of X proximally bearing (16) and X distally bearing (22) is regulated by X; In the Y-axis direction of motion, by Y-direction trip bolt (33) and Y-direction packing ring (28), the axial pre tightening force to Y-direction near-end bearing (31) and Y-direction far-end bearing (25) regulates.
3. a kind of aero-engine based on peripheral force decoupling zero according to claim 1 turns stator two-freedom adjustment positioner, it is characterized in that: X proximally bearing (16) and X distally bearing (22) while decoupling zero peripheral force, transmit the axial driving force along X-axis; Y-direction near-end bearing (31) and Y-direction far-end bearing (25), while decoupling zero peripheral force, transmit the axial driving force along Y-axis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410591392.3A CN104440808B (en) | 2014-10-29 | 2014-10-29 | Aero-engine based on peripheral force decoupling zero turns stator two-freedom adjustment positioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410591392.3A CN104440808B (en) | 2014-10-29 | 2014-10-29 | Aero-engine based on peripheral force decoupling zero turns stator two-freedom adjustment positioner |
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| CN104440808A true CN104440808A (en) | 2015-03-25 |
| CN104440808B CN104440808B (en) | 2015-08-26 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5713233A (en) * | 1996-08-30 | 1998-02-03 | Sifco Custom Machining Company | Vane adjustment machine |
| CN201950528U (en) * | 2009-09-24 | 2011-08-31 | 成都成量工具集团有限公司 | Single-layer small stroke two-dimensional workbench |
| CN103273328A (en) * | 2013-05-08 | 2013-09-04 | 武汉科技大学 | Large-stroke micro-drive precise two-dimensional worktable |
-
2014
- 2014-10-29 CN CN201410591392.3A patent/CN104440808B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5713233A (en) * | 1996-08-30 | 1998-02-03 | Sifco Custom Machining Company | Vane adjustment machine |
| CN201950528U (en) * | 2009-09-24 | 2011-08-31 | 成都成量工具集团有限公司 | Single-layer small stroke two-dimensional workbench |
| CN103273328A (en) * | 2013-05-08 | 2013-09-04 | 武汉科技大学 | Large-stroke micro-drive precise two-dimensional worktable |
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| CN104440808B (en) | 2015-08-26 |
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