CN112960137B - Flexible adjusting and positioning device for aviation high-temperature conduit and novel manufacturing process - Google Patents
Flexible adjusting and positioning device for aviation high-temperature conduit and novel manufacturing process Download PDFInfo
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- CN112960137B CN112960137B CN202110197203.4A CN202110197203A CN112960137B CN 112960137 B CN112960137 B CN 112960137B CN 202110197203 A CN202110197203 A CN 202110197203A CN 112960137 B CN112960137 B CN 112960137B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/40—Maintaining or repairing aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention provides a flexible adjusting and positioning device for an aviation high-temperature guide pipe and a novel manufacturing process, wherein the top of a mounting plate is supported and installed with a bottom plate through a lifting adjusting mechanism, the top of the bottom plate is supported and installed with a transverse adjusting plate capable of transversely moving and adjusting, the top of the transverse adjusting plate is supported and installed with a longitudinal adjusting plate capable of longitudinally moving and adjusting, the top of the longitudinal adjusting plate is supported and installed with a first arc-shaped seat through a Z-axis rotating seat, an X-axis rotating seat is hinged to the first arc-shaped seat through a first rotating shaft, a second arc-shaped seat is fixed to the top of the X-axis rotating seat, a Y-axis rotating seat is hinged to the second arc-shaped seat through a second rotating shaft, and a positioning and connecting assembly is installed on the Y-axis rotating seat. The movement and rotation of all directions in the three-dimensional space are integrated on one set of adjusting device through a purely mechanical manual adjusting mechanism, the adjustment, positioning and locking of six degrees of freedom in the three-dimensional space can be rapidly realized, and the space rapid positioning requirements of different mounting holes or mounting surfaces are met.
Description
Technical Field
The invention relates to the field of aviation maintenance process equipment, in particular to a flexible adjusting and positioning device for an aviation high-temperature guide pipe and a novel manufacturing process.
Background
According to the technical report requirements of the aircraft manufacturer, in the process of newly manufacturing and replacing the high-temperature gas transmission guide pipe of the aircraft engine in the field, it is found that the high-temperature gas transmission guide pipe of the aero-engine has more guide pipes, more involved troops and wide distribution area due to different airplane frames, the pipeline direction and the installation size on the machine are different, and the phenomena of local deformation, dislocation and the like can also occur after long-term use, the difficulty is increased for the new manufacture and the replacement of the high-temperature conduit, the traditional new manufacture of the conduit mostly adopts the bending comparison and the sampling of the iron wire to determine the direction of the pipeline, the spatial position of the conduit interface is determined by the repeated on-machine material inspection and installation and the gradual cutting and grinding on site, the positioning precision is poor, the time consumption is long, the working efficiency is low, and the situation that a new high-temperature conduit cannot be mounted on an airplane or interferes with other parts often occurs.
And the aircraft can not fly in the process of replacing the guide pipe, and along with the fact that army training and various special tasks are heavier and heavier, too much guide pipe replacement time can not be reserved, the opportunity of dismounting and mounting the guide pipe for many times can not be provided, and the normal training and tasks of the army can be influenced. The optimization and improvement of the traditional process method are urgently needed, and a high-precision real object simulation method and a precise positioning tool with adjustable space posture and space size of the catheter are explored to improve the manufacturing precision of the catheter.
Disclosure of Invention
The invention mainly aims to provide an aviation high-temperature conduit flexible adjusting and positioning device and a new manufacturing process, wherein a three-dimensional scanner is adopted to carry out sampling scanning and three-dimensional modeling on an original machine conduit on a machine and check and control modeling precision, a special mold is designed to mould and form a pipeline half pipe, a pipeline joint is processed through numerical control programming, the aviation high-temperature conduit flexible adjusting and positioning device is developed to realize six-degree-of-freedom adjustment in a three-dimensional space, the space position of a positioning clamp is determined through digital analog assembly of the conduit and a tool, the accurate adjustment of the space position of the positioning clamp is realized by adopting a laser tracker in an auxiliary way, the positioning assembly and assembly welding of a flexible tool are adopted, the detection precision of a measuring point is compared between a new conduit and an original machine reverse digital analog mode through a joint measuring arm or a three-coordinate measuring machine, the integral manufacturing precision of the conduit is improved, and the process of repeated inspection, polishing and adjustment on the machine is omitted, the manufacturing period is shortened, and the qualified target of one-time installation of field replacement is realized.
In order to achieve the technical features, the invention is realized as follows: the utility model provides an aviation high temperature pipe flexible regulation positioner, it includes bottom sprag frame, bottom sprag frame's top fixed mounting has supporting platform, supporting platform's top fixed mounting has the three-dimensional space supporting mechanism that is used for carrying out the space orientation support to the pipe of a plurality of different positions, the clamping anchor clamps that are used for carrying out the fixing to the pipe different positions of multiple different grade type are installed to three-dimensional space supporting mechanism's top.
The three-dimensional space supporting mechanism comprises a mounting plate, the top of the mounting plate is provided with a bottom plate through a lifting adjusting mechanism in a supporting manner, the top of the bottom plate is provided with a transverse adjusting plate capable of transversely moving and adjusting in a supporting manner, the top of the transverse adjusting plate is provided with a longitudinal adjusting plate capable of longitudinally moving and adjusting in a supporting manner, the top of the longitudinal adjusting plate is provided with a first arc-shaped seat through a Z-axis rotating seat in a supporting manner, the first arc-shaped seat is hinged to an X-axis rotating seat through a first rotating shaft, the top of the X-axis rotating seat is fixedly provided with a second arc-shaped seat, the second arc-shaped seat is hinged to a Y-axis rotating seat through a second rotating shaft, and the Y-axis rotating seat is provided with a positioning connecting assembly;
four corners of the bottom supporting frame are fixed with reference plates, and the outer side wall of the bottom supporting frame is fixed with a hoisting ring; and a laser measurement reference hole is processed at the top of the supporting platform.
A plurality of bolt holes are uniformly formed in the mounting plate in a processing mode, and bottom bolts penetrate through the bolt holes.
The lifting adjusting mechanism comprises a supporting cylinder fixed at the top of the mounting plate, a lifting column is installed in the supporting cylinder through sliding fit, the bottom plate is fixed at the top of the lifting column, an adjusting screw rod is arranged between the bottom plate and the supporting cylinder in a diagonal mode, and a first locking screw is installed between the lifting column and the supporting cylinder.
And the transverse adjusting plate and the longitudinal adjusting plate are respectively provided with an adjusting groove.
And first arc-shaped grooves which are symmetrically arranged are processed on the Z-axis rotating seat, and locking bolts penetrate through the first arc-shaped grooves and are fixedly connected with the longitudinal adjusting plate.
And the X-axis rotating seat is provided with symmetrically arranged second arc-shaped grooves, and the second arc-shaped grooves are provided with locking bolts in a penetrating manner and are fixedly connected with the first arc-shaped seats.
And third arc-shaped grooves which are symmetrically arranged are processed on the Y-axis rotating seat, and locking bolts penetrate through the third arc-shaped grooves and are fixedly connected with the second arc-shaped seats.
The positioning and connecting assembly comprises a telescopic rod which is slidably mounted at the top of the Y-axis rotating seat, the telescopic rod is fixed on the Y-axis rotating seat through a second locking screw, a positioning disc is fixed at the end of the telescopic rod, and a laser measuring hole is processed at the central part of the telescopic rod.
The method for newly manufacturing the aviation high-temperature conduit by adopting the aviation high-temperature conduit flexible adjusting and positioning device comprises the following steps of:
1.1. detaching a conduit needing to be newly replaced from the airplane at the army outfield;
1.2. scanning the appearance and the interface of the conduit by using a portable handheld three-dimensional scanner, and collecting point cloud data;
1.3. the guide pipe is installed again, the air-tight test on the airplane of the guide pipe is completed according to the technical requirements, and the airplane can fly again and continue to execute the flying task;
and 2, performing reverse modeling on the catheter in an inner field:
2.1. bringing the scanning point cloud data of the original machine catheter collected in the step 1 back to a factory, and performing reverse modeling on the catheter by using professional software;
2.2. carrying out modeling precision analysis and controlling the modeling precision of the trend shape of the catheter within +/-0.1 mm; controlling the modeling precision of the conduit joint within +/-0.04 mm;
3.1. completing the design of a special-shaped pipeline half-pipe forming mold according to a reverse guide pipe digifax;
3.2. finishing the manufacture of the mould according to the design pattern of the pipeline half-pipe forming mould;
4.1. completing the design of a flexible adjusting positioning device according to a reverse digital-analog mode of the catheter;
4.2. completing the object manufacture and assembly of the flexible tool according to the design pattern of the flexible adjusting and positioning device;
4.3. determining the space three-dimensional positioning coordinates of the catheter joint three-dimensional adjusting mechanism and the catheter direction adjusting and positioning mechanism through the three-dimensional simulation assembly of the catheter reverse digifax and the flexible adjusting and positioning device;
4.4. according to the three-dimensional adjusting mechanism of the catheter joint and the spatial three-dimensional positioning coordinate of the catheter direction adjusting and positioning mechanism, each adjusting mechanism and each positioning piece are accurately adjusted, positioned and locked on the flexible adjusting and positioning device through a laser tracker;
and 5, machining each part of the guide pipe:
5.1. the mechanical processing of the horn pipe joint, the guide pipe connecting disc and the flange part is completed through numerical control programming;
5.2. finishing the blanking and processing of the standard straight-through pipeline;
6.1. the mould pressing forming of the upper half pipe and the lower half pipe of the special-shaped pipeline is realized through the mould;
6.2. carrying out butt welding on the upper half pipe and the lower half pipe;
and 7, positioning, assembling and welding the guide pipe on the flexible adjusting and positioning device:
7.1. positioning and assembling the catheter on the flexible adjusting and positioning device;
7.2. positioning, assembling and welding the guide pipe on the flexible adjusting and positioning device;
and 8, detecting flaw, air tightness and manufacturing precision of the conduit:
8.1. the new high-temperature conduit is subjected to nondestructive inspection according to the technical requirements and is qualified after inspection;
8.2. completing ground airtight test on the newly-made high-temperature conduit according to the technical requirements, and passing the test;
8.3. performing precision detection on a new catheter material object and a reverse digital-analog of an original catheter by using a joint measuring arm or a three-coordinate measuring machine through point taking comparison, and controlling the manufacturing precision of the trend shape of the catheter within +/-0.2 mm; controlling the manufacturing precision of the conduit joint within +/-0.08 mm;
and 9, replacing the catheter on an outfield machine:
9.1. bringing the newly-made high-temperature conduit to an external field of a troop for field replacement and assembly;
9.2. and (4) completing an onboard air-tight test of the guide pipe according to the technical requirements, and after the test is qualified, the airplane can fly repeatedly and continuously execute the flight task.
The invention has the following beneficial effects:
1. the invention provides a flexible adjusting and positioning device for an aviation high-temperature guide pipe and a novel manufacturing process, which can effectively solve the problems of physical sampling and physical positioning in the process of repairing an airplane. By adopting a three-dimensional scanner to carry out sampling scanning and three-dimensional modeling on the original machine conduit on the machine and checking and controlling the modeling precision, the special mould tyre is designed to mould and form the pipeline half-pipe, the pipeline joint is processed by numerical control programming, the flexible adjusting and positioning device for the aviation high-temperature guide pipe is developed to realize six-degree-of-freedom adjustment in three-dimensional space, the space position of the positioning clamp is determined through the digital simulation assembly of the guide pipe and the tool, the accurate adjustment of the space position of the positioning clamp is realized by the aid of a laser tracker, the detection precision of a measuring point is compared between a newly manufactured catheter and an original machine reverse digifax through a joint measuring arm or a three-coordinate measuring machine through the positioning assembly and the assembly welding of a flexible tool, the integral manufacturing precision of the catheter is improved, the process of repeated checking, polishing and adjustment on the machine is omitted, the manufacturing period is shortened, and the qualified target of one-time external field replacement and installation is realized.
2. The movement and rotation of all directions in the three-dimensional space are integrated on one set of adjusting device through a purely mechanical manual adjusting mechanism, and the three-dimensional space adjusting device is small in size and light in weight.
3. The adjusting, positioning and locking of six degrees of freedom in three-dimensional space can be realized rapidly, and the space rapid positioning requirements of different mounting holes or mounting surfaces are met.
4. The mechanism has strong universality, and the positioning of any spatial position of different mounting holes or mounting surfaces can be realized by replacing positioning members with different specifications.
5. The adjusting range is large, and the free adjustment of six degrees of freedom in three-dimensional space can be realized.
6. The self-locking washer is adopted in the adjusting mechanism to increase the locking force to effectively prevent looseness.
7. The spatial positioning of a plurality of installation sizes under a complex structure can be realized by adopting the combination and matched use of a plurality of mechanisms.
8. Two end faces of the positioning component are respectively provided with 2 laser measuring holes, and the laser tracker can be adopted to carry out high-precision digital assembly and adjustment of the space position.
9. The mechanism is simple to operate and convenient to use. The multifunctional medical instrument has multiple functions of chemical protection, task planning, medical rescue, observation and evidence obtaining, technical support, state self-check, physical supply and the like.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a first perspective three-dimensional view of a catheter body of the present invention when clamped.
Fig. 2 is a second perspective three-dimensional view of the catheter of the present invention when specifically clamped.
FIG. 3 is a first perspective three-dimensional view of the flexible adjustment positioning apparatus of the present invention.
FIG. 4 is a second perspective three-dimensional view of the flexible adjustment positioning apparatus of the present invention.
FIG. 5 is a first perspective three-dimensional view of a catheter according to the present invention.
FIG. 6 is a second perspective three-dimensional view of a catheter according to the present invention.
In the figure: the device comprises a mounting plate 1, a bottom bolt 2, a support cylinder 3, an adjusting screw rod 4, a first locking screw 5, a lifting column 6, a bottom plate 7, a transverse adjusting plate 8, a longitudinal adjusting plate 9, a Z-axis rotating seat 10, a first arc-shaped seat 11, an X-axis rotating seat 12, a first arc-shaped groove 13, a second arc-shaped groove 14, a first rotating shaft 15, a second arc-shaped seat 16, a third arc-shaped groove 17, a second rotating shaft 18, a laser measuring hole 19, a Y-axis rotating seat 20, a second locking screw 21, a positioning disc 22, a telescopic rod 23, a guide pipe 28, a straight pipeline positioning support seat 29, a gland 30, a three-dimensional space support mechanism 31 and a laser measuring datum hole 32;
standard straight-through pipe 2801, flange 2802, conduit connection plate 2803, flare pipe joint 2804, profiled pipe half 2805.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-4, in order to solve the problem of accurate positioning in the new manufacturing process of the aviation high-temperature conduit, a flexible adjusting and positioning device for the aviation high-temperature conduit is developed, a plurality of sets of three-dimensional adjusting mechanisms are mounted on the same flat plate to be combined and matched for use, the requirements of space quick adjustment and accurate positioning of the direction, the interface, the mounting hole or the mounting surface of the aviation high-temperature conduit can be realized through a purely mechanical manual adjusting mechanism, the new manufacturing conduit can realize accurate positioning assembly and assembly welding on the flexible adjusting and positioning device, the conduit interface can be ensured to meet the mounting requirements on the machine, the direction of the pipeline is consistent with the direction of an old part and is not interfered with other components on the machine, and the flexible adjusting and positioning device is simple to operate and convenient to use.
Further, the flexible adjusting and positioning device for the aviation high-temperature conduit comprises a bottom supporting frame 26, a supporting platform 27 is fixedly mounted at the top of the bottom supporting frame 26, a three-dimensional space supporting mechanism 31 which is used for carrying out space positioning supporting on the conduit and is arranged at a plurality of different positions is fixedly mounted at the top of the supporting platform 27, and clamping fixtures which are used for fixing different positions of the conduit and are of different types are mounted at the top of the three-dimensional space supporting mechanism 31.
Further, three-dimensional space supporting mechanism 31 includes mounting panel 1, it includes mounting panel 1, bottom plate 7 is installed through the lift adjustment mechanism support in the top of mounting panel 1, horizontal regulating plate 8 that can lateral shifting adjust is installed to the top support of bottom plate 7, vertical regulating plate 9 that can longitudinal shifting adjust is installed to horizontal regulating plate 8's top support, the top of vertical regulating plate 9 supports through Z axle roating seat 10 has first arc seat 11, it has X axle roating seat 12 to articulate through first pivot 15 on the first arc seat 11, the top of X axle roating seat 12 is fixed with second arc seat 16, it has Y axle roating seat 20 to articulate through second pivot 18 on the second arc seat 16, install positioning connection subassembly on the Y axle roating seat 20. Through adopting the three-dimensional positioning mechanism that adjusts of above-mentioned structure, can be used for the sample in kind and the location of non-standard pipeline on the aircraft, and then realize the restoration of complicated spare part.
Furthermore, the four corners of the bottom supporting frame 26 are fixed with reference plates 24, and the outer side wall of the bottom supporting frame 26 is fixed with a hoisting ring 25; the top of the support platform 27 is machined with a laser measurement reference hole 32.
Further, a plurality of bolt holes are uniformly processed on the mounting plate 1, and bottom bolts 2 are installed on the bolt holes in a penetrating mode. Through foretell mounting means, can carry out reliable fixed and installation to whole adjustment mechanism.
Further, lift adjustment mechanism is including fixing the support section of thick bamboo 3 at the 1 top of mounting panel, the lift post 6 is installed through sliding fit in the inside of a support section of thick bamboo 3, bottom plate 7 is fixed at the top of lift post 6, it installs adjusting screw 4 to be diagonal arrangement between bottom plate 7 and the support section of thick bamboo 3, install first set screw 5 between lift post 6 and the support section of thick bamboo 3. Through foretell lift adjustment mechanism can realize the regulation of whole positioning mechanism height, and then adapt to different altitude mixture control demands, in the accommodation process, adjust bottom plate 7's height through adjusting screw 4.
Further, the transverse adjusting plate 8 and the longitudinal adjusting plate 9 are respectively provided with an adjusting groove. Through foretell adjustment tank, can be convenient for realize horizontal and longitudinal adjustment within a certain extent.
Furthermore, first arc-shaped grooves 13 which are symmetrically arranged are processed on the Z-axis rotating base 10, and locking bolts penetrate through the first arc-shaped grooves 13 and are fixedly connected with the longitudinal adjusting plate 9. The rotation angle adjustment of the Z-axis rotary base 10 can be realized by the first arc-shaped groove 13.
Furthermore, second arc-shaped grooves 14 which are symmetrically arranged are processed on the X-axis rotating base 12, and locking bolts penetrate through the second arc-shaped grooves 14 and are fixedly connected with the first arc-shaped base 11. The rotation angle adjustment of the X-axis rotary base 12 can be realized by the second arc-shaped groove 14 described above.
Furthermore, third arc-shaped grooves 17 which are symmetrically arranged are processed on the Y-axis rotating base 20, and locking bolts penetrate through the third arc-shaped grooves 17 and are fixedly connected with the second arc-shaped base 16. The rotation angle adjustment of the Y-axis rotary base 20 can be realized by the third arc-shaped groove 17 described above.
Furthermore, the positioning connection assembly comprises a telescopic rod 23 slidably mounted at the top of the Y-axis rotating base 20, the telescopic rod 23 is fixed on the Y-axis rotating base 20 through a second locking screw 21, a positioning disc 22 is fixed at the end of the telescopic rod 23, and a laser measuring hole 19 is processed at the central part of the telescopic rod 23. The positioning connection assembly can be used for connecting and fixing the parts to be positioned and installed.
Example 2:
the typical external structure of the high-temperature air delivery conduit of the aircraft engine in the novel manufacturing method is shown in figures 5-6:
1. the special-shaped pipeline is divided into an upper half pipe and a lower half pipe which are respectively subjected to mould pressing forming by a forming mould, and then are subjected to butt welding from the middle to form the special-shaped pipeline, wherein two welding seams are arranged in the middle;
2. the standard straight-through pipeline is directly manufactured by cutting and blanking a seamless stainless steel pipe;
3. the horn pipe joint, the flange plate and the conduit connecting plate are numerical control machining parts.
4. The special-shaped pipeline half-pipe mould tire in the method is a conventional male-female mould structure designed and manufactured according to the appearance digital model of each half pipe and is used for mould pressing and forming of each half pipe.
Referring to fig. 1-2, the method for preparing the aviation high-temperature conduit by using the aviation high-temperature conduit flexibility adjusting and positioning device comprises the following steps:
1.1. removing the newly installed conduit 28 from the aircraft at the army outfield;
1.2. scanning the appearance and the interface of the conduit 28 by using a portable handheld three-dimensional scanner, and collecting point cloud data;
1.3. the guide pipe 28 is installed again, the air tightness test on the airplane of the guide pipe is completed according to the technical requirements, and the airplane can fly again and continuously execute the flying task;
and 2, performing reverse modeling on the catheter in an inner field:
2.1. bringing the scanning point cloud data of the original machine catheter collected in the step 1 back to a factory, and performing reverse modeling on the catheter by using professional software;
2.2. carrying out modeling precision analysis and controlling the modeling precision of the trend shape of the catheter within +/-0.1 mm; controlling the modeling precision of the conduit joint within +/-0.04 mm;
3.1. completing the design of a forming mold of the special-shaped pipeline half pipe 2805 according to a reverse guide pipe digifax;
3.2. finishing the manufacture of the mould according to the design pattern of the pipeline half-pipe forming mould;
4.1. completing the design of a flexible adjusting positioning device according to a reverse digital-analog mode of the catheter;
4.2. completing the object manufacture and assembly of the flexible tool according to the design pattern of the flexible adjusting and positioning device;
4.3. determining the space three-dimensional positioning coordinates of the catheter joint three-dimensional adjusting mechanism and the catheter direction adjusting and positioning mechanism through the three-dimensional simulation assembly of the catheter reverse digifax and the flexible adjusting and positioning device;
4.4. according to the three-dimensional adjusting mechanism of the catheter joint and the spatial three-dimensional positioning coordinate of the catheter direction adjusting and positioning mechanism, each adjusting mechanism and each positioning piece are accurately adjusted, positioned and locked on the flexible adjusting and positioning device through a laser tracker;
and 5, machining each part of the guide pipe:
5.1. the mechanical processing of the horn pipe joint 2804, the conduit connecting disc 2803 and the flange disc 2802 is completed through numerical control programming;
5.2. finishing the blanking and processing of the standard straight-through pipeline 2801;
6.1. the mould pressing forming of the upper half pipe and the lower half pipe of the special-shaped pipeline is realized through the mould;
6.2. carrying out butt welding on the upper half pipe and the lower half pipe;
and 7, positioning, assembling and welding the guide pipe on the flexible adjusting and positioning device:
7.1. positioning and assembling the catheter on the flexible adjusting and positioning device;
7.2. positioning, assembling and welding the guide pipe on the flexible adjusting and positioning device;
step 8, detecting flaw, airtightness and manufacturing precision of the conduit:
8.1. the new high-temperature conduit is subjected to nondestructive inspection according to the technical requirements and is qualified after inspection;
8.2. the new high-temperature conduit is subjected to ground airtight test according to the technical requirements and is qualified after inspection;
8.3. performing precision detection on a new catheter material object and a reverse digital-analog of an original catheter by using a joint measuring arm or a three-coordinate measuring machine through point taking comparison, and controlling the manufacturing precision of the trend shape of the catheter within +/-0.2 mm; controlling the manufacturing precision of the conduit joint within +/-0.08 mm;
and 9, replacing the catheter on an outfield machine:
9.1. bringing the newly-made high-temperature conduit to an external field of a troop for field replacement and assembly;
9.2. and (4) completing an onboard air-tight test of the guide pipe according to the technical requirements, and after the test is qualified, the airplane can fly repeatedly and continuously execute the flight task.
Example 3:
the working process and the principle of the aviation high-temperature conduit flexible adjusting and positioning device are as follows:
1. the mounting plate, the supporting cylinder and the lifting guide sleeve are welded into a whole.
2. The mounting plate is used for fixing the whole adjusting device on the flat plate.
3. The lifting column and the bottom plate are assembled and welded into a whole, the lifting column can lift up and down in the lifting sliding sleeve, the lifting height of the lifting column is adjusted through the adjusting screw rod, and the lifting column is positioned and locked through the first locking screw 5.
4. The adjusting screw is a full-thread screw and is arranged in a screw hole of the lifting guide sleeve, and the two ends of the adjusting screw are provided with butt flats, so that a wrench can be conveniently adopted for pulling adjustment.
5. The lateral adjustment plate is laterally movable on the base plate.
6. The longitudinal adjusting plate can move on the transverse adjusting plate along the longitudinal direction.
7. X, Y, Z rotation that the seat can realize three directions respectively, fixes a position through fastening screw and locks, carries out effective locking through auto-lock washer.
8. The positioning connecting assembly is used for being connected and fixed with a product to be positioned, and positioning of any space position of the product to be positioned is realized by replacing positioning members with different specifications aiming at different mounting holes or mounting surfaces.
9. The positioning connection assembly is respectively provided with 2 laser measuring holes on the front end face and the rear end face of the axis thereof, and can adopt a laser tracker to carry out high-precision digital assembly and adjustment of the spatial position thereof.
10. The positioning connecting assembly can slide in a guide hole of the Y-axis rotating seat and is positioned and locked through a second locking screw 21.
Example 4:
the aviation high-temperature conduit flexible adjusting and positioning device has the following specific advantages:
1. the three-dimensional adjusting mechanism is used for quickly and accurately positioning the space of each joint of the catheter, can realize quick adjustment with six degrees of freedom, and can be reliably positioned and locked;
2. the guide pipe trend adjusting and positioning mechanism is used for quickly and accurately positioning the space of the guide pipe trend, can realize 3 movements with five degrees of freedom and 2 rotations, and can be quickly adjusted only by adjusting 5 degrees of freedom according to the actual positioning use requirement of the guide pipe trend, and can be reliably positioned and locked.
3. Supporting platform is used for the installation and fixes each adjustment mechanism, and the lower extreme has the benchmark board, and its plane degree and depth of parallelism are guaranteed all through machining to the lower plane of benchmark board and supporting platform's last plane, and the last system of supporting platform has the screw hole, and each adjustment mechanism of being convenient for is fixed here through the bolt, and lifting and hoist when eyebolt is used for transporting.
4. The support platform is provided with 3 laser measurement reference holes, each positioning component is respectively provided with 2 laser measurement holes on the front end face and the rear end face of the axis, the pipeline positioning support seat is also respectively provided with 2 laser measurement holes on the front end face and the rear end face, and a laser tracker can be adopted to carry out high-precision digital assembly and adjustment on the spatial position of the pipeline positioning support seat.
Claims (8)
1. The method for preparing the aviation high-temperature conduit newly by adopting the aviation high-temperature conduit flexible adjusting and positioning device comprises a bottom supporting frame (26), wherein a supporting platform (27) is fixedly arranged at the top of the bottom supporting frame (26), a plurality of three-dimensional space supporting mechanisms (31) which are arranged at different positions and are used for carrying out space positioning and supporting on the conduit are fixedly arranged at the top of the supporting platform (27), and a plurality of different types of clamping fixtures which are used for fixing different positions of the conduit are arranged at the top of the three-dimensional space supporting mechanisms (31);
the three-dimensional space supporting mechanism (31) comprises a mounting plate (1), the top of the mounting plate (1) is supported and installed with a bottom plate (7) through a lifting adjusting mechanism, the top of the bottom plate (7) is supported and installed with a transverse adjusting plate (8) capable of transversely moving and adjusting, the top of the transverse adjusting plate (8) is supported and installed with a longitudinal adjusting plate (9) capable of longitudinally moving and adjusting, the top of the longitudinal adjusting plate (9) is supported with a first arc-shaped seat (11) through a Z-axis rotating seat (10), the first arc-shaped seat (11) is hinged with an X-axis rotating seat (12) through a first rotating shaft (15), the top of the X-axis rotating seat (12) is fixed with a second arc-shaped seat (16), the second arc-shaped seat (16) is hinged with a Y-axis rotating seat (20) through a second rotating shaft (18), and the Y-axis rotating seat (20) is provided with a positioning connecting assembly;
four corners of the bottom supporting frame (26) are fixed with reference plates (24), and the outer side wall of the bottom supporting frame (26) is fixed with a hoisting ring (25); a laser measurement reference hole (32) is machined in the top of the supporting platform (27);
the novel method for manufacturing the aviation high-temperature conduit is characterized by comprising the following steps of:
step 1, scanning the appearance of the catheter in an external field:
1.1. removing the conduit (28) from the aircraft at the army outfield in need of new replacement;
1.2. utilizing a portable handheld three-dimensional scanner to scan the appearance and the interface of a conduit (28) and collecting point cloud data;
the guide pipe (28) is reinstalled, the air-tight test on the airplane of the guide pipe is completed according to the technical requirements, and the airplane can fly again and continue to execute the flying task;
and 2, performing reverse modeling on the catheter in an inner field:
bringing the scanning point cloud data of the original machine catheter collected in the step 1 back to a factory, and performing reverse modeling on the catheter by using professional software;
carrying out modeling precision analysis and controlling the modeling precision of the trend shape of the catheter within +/-0.1 mm; controlling the modeling precision of the conduit joint within +/-0.04 mm;
step 3, designing and manufacturing the special-shaped pipeline half-pipe die forming die:
finishing the design of a forming mould of the special-shaped pipeline half pipe (2805) according to a reverse guide pipe digifax;
finishing the manufacture of the mould according to the design pattern of the pipeline half-pipe forming mould;
and 4, designing and manufacturing the flexible adjusting and positioning device:
4.1. completing the design of a flexible adjusting positioning device according to a reverse digital-analog mode of the catheter;
completing the object manufacture and assembly of the flexible tool according to the design pattern of the flexible adjusting and positioning device;
determining the space three-dimensional positioning coordinates of the catheter joint three-dimensional adjusting mechanism and the catheter direction adjusting and positioning mechanism through the three-dimensional simulation assembly of the catheter reverse digifax and the flexible adjusting and positioning device;
according to the three-dimensional adjusting mechanism of the catheter joint and the spatial three-dimensional positioning coordinate of the catheter direction adjusting and positioning mechanism, each adjusting mechanism and each positioning piece are accurately adjusted, positioned and locked on the flexible adjusting and positioning device through a laser tracker;
and 5, machining each part of the guide pipe:
5.1. machining parts of the horn pipe joint (2804), the guide pipe connecting disc (2803) and the flange disc (2802) is completed through numerical control programming;
finishing the blanking and processing of the standard straight-through pipeline (2801);
step 6, die forming and assembly welding of half pipes of the special-shaped pipeline:
6.1. the mould pressing forming of the upper half pipe and the lower half pipe of the special-shaped pipeline is realized through the mould;
6.2. carrying out butt welding on the upper half pipe and the lower half pipe;
and 7, positioning, assembling and welding the guide pipe on the flexible adjusting and positioning device:
positioning and assembling the catheter on the flexible adjusting and positioning device;
positioning, assembling and welding the guide pipe on the flexible adjusting and positioning device;
and 8, detecting flaw, air tightness and manufacturing precision of the conduit:
8.1. the new high-temperature conduit is subjected to nondestructive inspection according to the technical requirements and is qualified after inspection;
completing ground airtight test on the newly-made high-temperature conduit according to the technical requirements, and passing the test;
8.3. performing precision detection on a new catheter material object and a reverse digital-analog of an original catheter by using a joint measuring arm or a three-coordinate measuring machine through point taking comparison, and controlling the manufacturing precision of the trend shape of the catheter within +/-0.2 mm; controlling the manufacturing precision of the conduit joint within +/-0.08 mm;
and 9, replacing the catheter on an outfield machine:
9.1. bringing the newly manufactured high-temperature conduit to an external field of a troop for field reloading;
9.2. and (4) completing an onboard air-tight test of the guide pipe according to the technical requirements, and after the test is qualified, the airplane can fly repeatedly and continuously execute the flight task.
2. The method for manufacturing the aviation high-temperature conduit by adopting the aviation high-temperature conduit flexibility adjusting and positioning device as claimed in claim 1, wherein the method comprises the following steps: a plurality of bolt holes are uniformly processed on the mounting plate (1), and bottom bolts (2) penetrate through the bolt holes.
3. The method for manufacturing the aviation high-temperature conduit by adopting the aviation high-temperature conduit flexibility adjusting and positioning device as claimed in claim 1, wherein the method comprises the following steps: lifting adjusting mechanism is including fixing a support section of thick bamboo (3) at mounting panel (1) top, the inside of a support section of thick bamboo (3) is installed lift post (6) through sliding fit, the top at lift post (6) is fixed in bottom plate (7), be diagonal angle between bottom plate (7) and a support section of thick bamboo (3) and arrange and install adjusting screw (4), install first set screw (5) between lift post (6) and a support section of thick bamboo (3).
4. The method for manufacturing the aviation high-temperature conduit by adopting the aviation high-temperature conduit flexibility adjusting and positioning device as claimed in claim 1, wherein the method comprises the following steps: and the transverse adjusting plate (8) and the longitudinal adjusting plate (9) are respectively provided with an adjusting groove.
5. The method for manufacturing the aviation high-temperature conduit by adopting the aviation high-temperature conduit flexibility adjusting and positioning device as claimed in claim 1, wherein the method comprises the following steps: processing has first arc wall (13) of symmetrical arrangement on Z axle roating seat (10), run through on first arc wall (13) and install locking bolt to it is fixed continuous with vertical regulating plate (9).
6. The method for manufacturing the aviation high-temperature conduit by adopting the aviation high-temperature conduit flexibility adjusting and positioning device as claimed in claim 1, wherein the method comprises the following steps: and symmetrically arranged second arc-shaped grooves (14) are processed on the X-axis rotating seat (12), and locking bolts penetrate through the second arc-shaped grooves (14) and are fixedly connected with the first arc-shaped seat (11).
7. The method for manufacturing the aviation high-temperature conduit by adopting the aviation high-temperature conduit flexibility adjusting and positioning device as claimed in claim 1, wherein the method comprises the following steps: and third arc-shaped grooves (17) which are symmetrically arranged are processed on the Y-axis rotating seat (20), and locking bolts penetrate through the third arc-shaped grooves (17) and are fixedly connected with the second arc-shaped seat (16).
8. The method for manufacturing the aviation high-temperature conduit by adopting the aviation high-temperature conduit flexibility adjusting and positioning device as claimed in claim 1, wherein the method comprises the following steps: the positioning connection assembly comprises a telescopic rod (23) which is slidably mounted at the top of a Y-axis rotating seat (20), the telescopic rod (23) is fixed on the Y-axis rotating seat (20) through a second locking screw (21), a positioning disc (22) is fixed at the end of the telescopic rod (23), and a laser measuring hole (19) is machined in the center of the telescopic rod (23).
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| CN113701585B (en) * | 2021-07-16 | 2023-09-29 | 贵州航飞精密制造有限公司 | Device for detecting and setting space size of external pipeline of general aeroengine |
| CN113560874B (en) * | 2021-08-25 | 2022-10-25 | 成都飞机工业（集团）有限责任公司 | Device and method for detecting and adjusting installation of fuselage and wing guide pipe |
| CN113681227B (en) * | 2021-09-29 | 2023-11-03 | 中国航发动力股份有限公司 | Pipeline joint part welding tool structure and pipeline port limit detection method |
| CN114001632B (en) * | 2021-11-02 | 2023-09-19 | 中国科学院光电技术研究所 | Flatness detection device and detection method for large ultra-precise annular plane |
| CN114473364A (en) * | 2022-03-29 | 2022-05-13 | 贵州航飞精密制造有限公司 | Device generally used for welding and positioning tube of aero-engine |
| CN115383444A (en) * | 2022-08-29 | 2022-11-25 | 上海诺倬力机电科技有限公司 | Automatic detection, assembly and positioning device for space conduit and control method thereof |
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