CN108150631B - Service life-prolonging active gain system for aviation gear - Google Patents
Service life-prolonging active gain system for aviation gear Download PDFInfo
- Publication number
- CN108150631B CN108150631B CN201810006321.0A CN201810006321A CN108150631B CN 108150631 B CN108150631 B CN 108150631B CN 201810006321 A CN201810006321 A CN 201810006321A CN 108150631 B CN108150631 B CN 108150631B
- Authority
- CN
- China
- Prior art keywords
- vibration
- vibration exciter
- vibrating table
- gear
- precise gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a service life-prolonging active gain system for an aviation gear, which is characterized in that supporting legs below a vibrating table are placed on a foundation through rubber pads, a plurality of positioning holes are uniformly formed in the upper surface of the vibrating table, a precise gear is placed above the vibrating table, the circumferential direction of the precise gear is fixed on the vibrating table through the supporting pads, a circumferential pressing bar and a circumferential screw rod, the central area of the precise gear is clamped on the vibrating table through a central pressing plate and a central screw rod, a sensor is mounted on the upper surface of the precise gear, the sensor is connected with a controller through a cable, a vibration exciter is mounted on the vibrating table, the vibration exciter is fastened on the vibrating table through a bow-shaped piece and a bolt, and the vibration exciter is connected to the controller through a control cable; the novel treatment device has the beneficial effects of novel design principle, unique structure, short treatment time and very wide commercial prospect, can fill the blank of the related technology, and can generate larger social benefit and economic benefit.
Description
Technical Field
The invention relates to the field of precise mechanical transmission, in particular to a service life-prolonging active gain system for an aviation gear.
Background
The mechanical transmission is one of the most classical core technologies in the mechanical engineering disciplines, the mechanical transmission system is extremely widely applied in the industrial field, and almost all occasions with prime movers need to use the gear transmission system for speed change, so that the speed matching of the working machine is realized, and the speed increase, the torque reduction or the speed reduction and the torque increase are completed.
Compared with the international advanced level, the gear products in China have quite different aspects of power density, service life, reliability and the like. We can solve this problem by implementing gear fatigue-resistant fabrication. The main content and the use effect of the anti-fatigue manufacturing technology are as follows: firstly, a material metallurgical quality control technology is used for improving the purity, uniformity and stability of a material, improving the fatigue limit stress, reducing the influence of material defects from the source and reducing the sensitivity of material stress concentration; secondly, an anti-fatigue design technology is used for solving the problem of stress concentration of parts in design; thirdly, an anti-fatigue machining technology is used for changing the microstructure, the micro-mechanical property and the surface integrity of the modified layer; fourthly, a precise heat treatment technology is used for refining material grains and a tissue structure, so that high-quality internal quality and high surface hardness are obtained, and heat treatment deformation is reduced; fifthly, the surface hardening, shot peening, rolling strengthening, laser shock strengthening and compound strengthening technology are used for surface strengthening modification; and sixthly, fatigue resistance assembly, fatigue life evaluation, test technology and the like. In a word, the reliability, the service life and the power density of the gear can be greatly improved by applying the anti-fatigue manufacturing technology, and the weight reduction is realized.
In order to solve the technical bottlenecks of relatively lagging gear anti-fatigue manufacturing technology level, low efficiency and the like in the prior art, the invention discloses a service life-prolonging active gain system for an aviation gear, which has the advantages of lower cost, novel scheme, unique configuration, novel principle and short processing time, can be used for high-performance gear anti-fatigue manufacturing, greatly reduces the internal stress level of the gear, delays the service life, meets the actual requirements of speed-reducing transmission in the industrial field, fills the blank of related technologies, and can generate larger social benefit and economic benefit.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the active gain system for the service life of the aviation gear, which has unique principle, breaks through the conventional transmission technical scheme, is novel in conception, high in treatment efficiency, simple to operate and wide in application range, and can realize reduction of residual stress of the high-performance gear at normal temperature.
A service life-prolonging active gain system for an aviation gear is characterized in that supporting legs below a vibrating table are placed on a foundation through rubber pads, a plurality of positioning holes are uniformly formed in the upper surface of the vibrating table, a precise gear is placed above the vibrating table, the precise gear is fixed on the vibrating table in the circumferential direction through the supporting pads, circumferential pressing strips and circumferential screws, a central area of the precise gear is clamped on the vibrating table through a central pressing plate and a central screw, a sensor is mounted on the upper surface of the precise gear and connected with a controller through a cable, a vibration exciter is mounted on the vibrating table and fastened on the vibrating table through a bow-shaped piece and bolts, and the vibration exciter is connected to the controller through a control cable.
Furthermore, the vibrating table is of a rectangular tabletop structure, four supporting legs are arranged on the vibrating table, positioning holes above the vibrating table are uniformly distributed in rows and columns, and the positioning holes are of a threaded hole structure.
Furthermore, both ends of the circumferential pressing strip are of arc structures, a through hole is arranged in the middle of the circumferential pressing strip, both ends of the through hole are of arc structures, the dimension of the through hole in the width direction is slightly larger than the diameter of a circumferential screw rod matched with the through hole, and the circumferential screw rod is provided with a standard outer hexagonal nut.
Further, the diameter of the outer circle of the central pressing plate is larger than the diameter of the central hole of the precision gear, the diameter of the inner hole of the central pressing plate is slightly larger than the diameter of the central screw rod matched with the central pressing plate, and the central screw rod is provided with a thickened outer hexagon nut.
Further, the sensor is adsorbed on the upper surface of the precise gear through the magnetic force, the adsorption position is positioned in the tooth root circle, the outside of the central pressing plate is intersected with the area, and the sensor acquires vibration signals of the precise gear in real time and transmits the vibration signals back to the controller.
Furthermore, the vibration exciter is of an eccentric motor structure, a handle is arranged above the vibration exciter, the main body part of the vibration exciter is of a cylindrical structure, a rectangular plate type structure is arranged on the lower surface of one end of the vibration exciter and is in contact with the vibration table, and the lower surface of the other end of the vibration exciter is suspended and is not in contact with the vibration table.
Furthermore, the handle part of the bow-shaped piece is provided with a weight reduction groove, the width of the opening of the bow-shaped piece is larger than the thickness of the table top of the vibrating table, the contact part of the upper end of the bow-shaped piece and the vibration exciter is provided with a rectangular plate structure, the upper end of the bow-shaped piece is pressed on the rectangular plate below the vibration exciter, the position, opposite to the lower surface of the vibrating table, of the lower end of the bow-shaped piece is provided with a cylindrical threaded hole structure, and a bolt is screwed into the cylindrical threaded hole at the lower end of the bow-shaped piece to tightly prop against the lower surface of the vibrating table so as to fasten the vibration exciter.
Furthermore, the controller is of a cube box type structure when being folded, the controller is of a notebook computer integrated structure when being opened, a display, a keyboard, a touch pad, a USB interface, a switch and a radiating hole are arranged outside the controller, a plate, a hard disk, a processor and a singlechip are arranged inside the controller, the controller receives real-time vibration signals acquired by the sensor, and the controller dynamically controls the rotating speed and exciting force of the vibration exciter in real time.
Furthermore, the controller drives the vibration exciter to work at a certain preset rotating speed and exciting force, the vibration exciter is fastened on the vibration table, so that the vibration table is driven to vibrate together, the precise gear is fastened on the vibration table, the precise gear is driven to vibrate, the vibration intensity is slightly higher than the material yield limit of the precise gear, the stress field inside the precise gear is redistributed, the sensor transmits vibration signals of the precise gear matrix back to the controller in real time, and the controller dynamically adjusts the rotating speed and exciting force of the vibration exciter through a closed loop, so that the vibration exciter is repeatedly started until the stress field inside the precise gear is uniformly distributed.
Compared with the prior art, the invention has the following beneficial effects: the method has the advantages of novel principle, unique configuration, good treatment effect, short debugging time, high flexibility degree and very wide commercial prospect, can fill the blank of the related technology, and can generate larger social benefit and economic benefit.
Drawings
FIG. 1 is a service life extending active gain system (frontal) for an aircraft gear.
Fig. 2 is a service life extending active gain system (back side) for an aircraft gear.
In fig. 1:
1. a vibration table; 2. A precision gear; 3. A support pad;
4. a circumferential batten; 5. A circumferential screw; 6. A central screw;
7. a sensor; 8. A vibration exciter; 9. A controller;
10. a rubber pad; 11. A bow; 12. A bolt;
13. and a central pressing plate.
Detailed Description
Embodiments of the present invention are described with reference to the accompanying drawings, and the present invention will be specifically described with reference to fig. 1 to 2. A service life-prolonging active gain system for an aviation gear comprises a vibrating table 1, a supporting pad 3, a circumferential pressing bar 4, a circumferential screw 5, a central screw 6, a sensor 7, a vibration exciter 8, a controller 9, a rubber pad 10, an arch piece 11, a bolt 12 and a central pressing plate 13, wherein a precision gear 2 is a processed workpiece.
The supporting leg below the vibrating table 1 is placed on a foundation through a rubber pad 10, a plurality of positioning holes are uniformly formed in the upper surface of the vibrating table 1, a precise gear 2 is placed above the vibrating table 1, the precise gear 2 is fixed on the vibrating table 1 through a supporting pad 3, a circumferential pressing strip 4 and a circumferential screw 5 in the circumferential direction, a central area of the precise gear 2 is clamped on the vibrating table 1 through a central pressing plate 13 and a central screw 6, a sensor 7 is mounted on the upper surface of the precise gear 2, the sensor 7 is connected with a controller 9 through a cable, a vibration exciter 8 is mounted on the vibrating table 1, the vibration exciter 8 is fastened on the vibrating table 1 through an arch piece 11 and a bolt 12, and the vibration exciter 8 is connected to the controller 9 through a control cable.
The controller 9 drives the vibration exciter 8 to work at a certain preset rotating speed and exciting force, the vibration exciter 8 is fastened on the vibration table 1 so as to drive the vibration table 1 to vibrate together, the precise gear 2 is fastened on the vibration table 1 so as to drive the precise gear 2 to vibrate, the vibration strength is slightly higher than the material yield limit of the precise gear 2, the internal stress field of the precise gear 2 is redistributed, the sensor 7 transmits the vibration signal of the substrate of the precise gear 2 back to the controller 9 in real time, and the controller 9 dynamically adjusts the rotating speed and exciting force of the vibration exciter 8 through a closed loop so as to repeatedly start until the internal stress field of the precise gear 2 is uniformly distributed.
The present invention is not limited to the preferred embodiments described above, and any modifications, alterations and equivalent changes to the above embodiments according to the present invention are within the scope of the present invention.
Claims (1)
1. The service life-prolonging active gain system for the aviation gear is characterized in that supporting legs below a vibrating table are placed on a foundation through rubber pads, a plurality of positioning holes are uniformly formed in the upper surface of the vibrating table, a precise gear is placed above the vibrating table, the circumferential direction of the precise gear is fixed on the vibrating table through the supporting pads, a circumferential pressing bar and a circumferential screw rod, the central area of the precise gear is clamped on the vibrating table through a central pressing plate and a central screw rod, a sensor is mounted on the upper surface of the precise gear, the sensor is connected with a controller through a cable, a vibration exciter is mounted on the vibrating table, the vibration exciter is fastened on the vibrating table through a bow-shaped piece and a bolt, and the vibration exciter is connected to the controller through a control cable;
the vibrating table is of a rectangular tabletop structure, four supporting legs are arranged on the vibrating table, positioning holes above the vibrating table are uniformly distributed in rows and columns, and the positioning holes are of a threaded hole structure;
the two ends of the circumferential pressing strip are of arc structures, a through hole is arranged in the middle of the circumferential pressing strip, the two ends of the through hole are of arc structures, the dimension of the through hole in the width direction is slightly larger than the diameter of a circumferential screw rod matched with the through hole, and the circumferential screw rod is provided with a standard outer hexagonal nut;
the diameter of the outer circle of the central pressing plate is larger than the diameter of the central hole of the precise gear, the diameter of the inner hole of the central pressing plate is slightly larger than the diameter of a central screw rod matched with the central pressing plate, and the central screw rod is provided with a thickened outer hexagon nut;
the sensor is adsorbed on the upper surface of the precise gear under the action of magnetic force, the adsorption position is positioned in the tooth root circle, the sensor collects vibration signals of the precise gear in real time and transmits the vibration signals back to the controller;
the vibration exciter is of an eccentric motor structure, a handle is arranged above the vibration exciter, the main body part of the vibration exciter is of a cylindrical structure, the lower surface of one end of the vibration exciter is provided with a rectangular plate type structure which is in contact with the vibration table, and the lower surface of the other end of the vibration exciter is suspended and is not in contact with the vibration table;
the handle part of the bow-shaped piece is provided with a weight reduction groove, the width of an opening of the bow-shaped piece is larger than the thickness of a table top of the vibration table, the contact part of the upper end of the bow-shaped piece and the vibration exciter is provided with a rectangular plate type structure, the upper end of the bow-shaped piece is pressed on the rectangular plate below the vibration exciter, the position, opposite to the lower surface of the vibration table, of the lower end of the bow-shaped piece is provided with a cylindrical threaded hole type structure, and a bolt is screwed into the cylindrical threaded hole at the lower end of the bow-shaped piece to tightly prop against the lower surface of the vibration table so as to fasten the vibration exciter;
the controller is of a cube box type structure when being folded, is of a notebook computer integrated structure when being opened, is externally provided with a display, a keyboard, a touch pad, a USB interface, a switch and a radiating hole, is internally provided with a plate, a hard disk, a processor and a singlechip, receives real-time vibration signals acquired by the sensor, and dynamically controls the rotating speed and exciting force of the vibration exciter in real time;
the controller drives the vibration exciter to work at a certain preset rotating speed and exciting force, the vibration exciter is fastened on the vibration table, so that the vibration table is driven to vibrate together, the precise gear is fastened on the vibration table, the precise gear is driven to vibrate, the vibration intensity is slightly higher than the material yield limit of the precise gear, so that the internal stress field of the precise gear is redistributed, the vibration signal of the precise gear matrix is transmitted back to the controller in real time by the sensor, the rotating speed and exciting force of the vibration exciter are dynamically adjusted by the controller through a closed loop, and the vibration exciter is repeatedly started until the internal stress field of the precise gear is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006321.0A CN108150631B (en) | 2018-01-02 | 2018-01-02 | Service life-prolonging active gain system for aviation gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006321.0A CN108150631B (en) | 2018-01-02 | 2018-01-02 | Service life-prolonging active gain system for aviation gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108150631A CN108150631A (en) | 2018-06-12 |
| CN108150631B true CN108150631B (en) | 2023-08-01 |
Family
ID=62460664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810006321.0A Active CN108150631B (en) | 2018-01-02 | 2018-01-02 | Service life-prolonging active gain system for aviation gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150631B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5242512A (en) * | 1992-03-13 | 1993-09-07 | Alloying Surfaces, Inc. | Method and apparatus for relieving residual stresses |
| JP4000648B2 (en) * | 1998-01-22 | 2007-10-31 | 住友金属工業株式会社 | Manufacturing method of high fatigue strength gear |
| CN102010972A (en) * | 2010-12-29 | 2011-04-13 | 桂林福达曲轴有限公司 | Method for eliminating internal stress of crankshaft through harmonic spectrum vibration aging treatment |
| CN104263902A (en) * | 2014-10-11 | 2015-01-07 | 北京航空航天大学 | Heat and vibration combined aging device for residual stress homogenization |
| CN105385842B (en) * | 2015-12-16 | 2017-05-31 | 上海交通大学 | Large thin-wall part manufacturing process residual stress release process device and method for releasing |
-
2018
- 2018-01-02 CN CN201810006321.0A patent/CN108150631B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108150631A (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107460303B (en) | A simply supported formula vibration ageing platform for roof beam component | |
| CN2842407Y (en) | Impaction and friction wear testing machine | |
| CN103091184B (en) | Sub-ultrasonic high-frequency fatigue testing machine | |
| CN206998465U (en) | One kind is used to be ground hard brittle material two dimensional ultrasonic vibration abrasive belt grinding device | |
| CN203732235U (en) | Bolt impact fatigue testing machine | |
| TW201716180A (en) | Vibration assistant polishing module | |
| CN102615291B (en) | Prestress turning method for shaft parts and prestress turning device | |
| WO2019119742A1 (en) | High-frequency vibration welding system and method for improving performance of metal material | |
| CN107775722A (en) | A kind of big aspect ratio of hard brittle material, the precision ultrasonic puncher of small irregularly-shaped hole | |
| CN108150631B (en) | Service life-prolonging active gain system for aviation gear | |
| CN104972363A (en) | Ultrasonic vibration assisting magnetic grinding device | |
| CN108715926A (en) | A kind of ultrasonic impact device | |
| CN109738314B (en) | Ultrasonic surface rolling tester and test method | |
| CN114717408A (en) | Device and method for regulating and controlling residual stress of large crankshaft machining by high-energy sound beam | |
| CN202388179U (en) | Positioning device for welding | |
| CN201863036U (en) | Floating unloading type device for loosening cutter on main shaft | |
| CN114085987B (en) | Material surface ultrasonic impact strengthening device and method | |
| RU177508U1 (en) | DEVICE FOR STRENGTHENING OF PLANE SURFACES OF PARTS | |
| CN206780154U (en) | A kind of high-precision high-speed bearing lapping device | |
| CN207165542U (en) | A kind of spread sheet device for die Bonder | |
| CN106624595B (en) | Flexible electric spark deposition rolling tool with measurable rolling force | |
| CN106514125B (en) | Measurable flexible plane rolling tool of pressure | |
| CN113654431B (en) | Radial displacement detection device for retainer | |
| CN210188252U (en) | Straightening die for special-shaped curved surface rapid forming machine | |
| CN207701718U (en) | A kind of Anti-fatigue manufacture stress reduction system for High-performance gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |