CN2885432Y - Exciting device for eliminating residue stress - Google Patents
Exciting device for eliminating residue stress Download PDFInfo
- Publication number
- CN2885432Y CN2885432Y CN 200620102802 CN200620102802U CN2885432Y CN 2885432 Y CN2885432 Y CN 2885432Y CN 200620102802 CN200620102802 CN 200620102802 CN 200620102802 U CN200620102802 U CN 200620102802U CN 2885432 Y CN2885432 Y CN 2885432Y
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- coil
- inner sleeve
- base
- exciting device
- outer sleeve
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Abstract
The utility model discloses an exciting device used for eliminating remnant stress which comprises a base, a coil frame prepared with the same axis from the inside to the outside, an alternating coil, a direct coil, an inner sleeve, a spring and an outer sleeve. The central hole of the coil frame is arranged on the positioning convex table of the base and is tightly fixed on the base. An ultra-magnifying extension stem and a positioning block with one end is connected with the ultra-magnifying extension stem and the other end positioned inside the central positioning concave hole of the inner sleeve are provided inside the central hole of the coil frame. The work piece is fixed on the base of the exciting device or the bottom of the inner sleeve when in use. The ultra-magnifying extension stem will extend or deform along the axis direction along with the change of the alternating current connected in the mixed magnetic field resulted from the direct coil and the alternating coil, which drives the positioning block and the inner sleeve vibrate back and forth with high frequency along the axis direction. The exciting device used for eliminating remnant stress is characterized by simple structure and great heat dissipation. Through changing the frequency of the alternating current power supply, high frequency vibration as high as 1000-3000 Hz can be conveniently realized, thereby effectively preventing the work piece fatigue damage.
Description
Technical field
The utility model relates to a kind of exciting device that is used to eliminate residual stress, especially is used to produce the exciting device of dither in vibration ageing device.
Background technology
Elimination tool member residual stress is an important topic in the machine building industry technology.Oscillating aging (VSR) is eliminated the residual stress technology and is had characteristics such as equipment is simple, small investment, energy-conserving and environment-protective, processing time weak point.
Existing and ripe typical vibration ageing device is made of vibrator, vibration parameters controller and vibration-measuring sensor both at home and abroad at present.Wherein exciting device generally is made up of eccentric casing, high speed direct current generator and high-precision revolution speed control system, and swept frequency range is 2000-10000r/min (33.3-166.7Hz), and vibration frequency is relatively low, and amplitude is bigger, makes the workpiece fatigue damage easily.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, and the exciting device that is used to eliminate residual stress of a kind of vibration frequency higher (1000-3000Hz) is provided.
The exciting device that is used to eliminate residual stress comprises base, the coil rack of outside coaxial line device from the lining, AC coil, dc coil, inner sleeve, spring and outer sleeve, coil rack has centre bore and several axial holes that are used to cool off, both ends of the surface at coil rack have the evagination annulus respectively, be provided with the circular passage in the evagination annulus, the circular passage is connected with axial hole, circumferentially respectively be fastened with the copper hoop at two evagination annulus, have the water inlet that is connected with the circular passage on the copper hoop, have the delivery port that is connected with the circular passage on another copper hoop, the centre bore of coil rack places on the positioning boss of base, and it is fastening with base, inner sleeve is the inversion cup-shaped, be enclosed within outside the coil rack that is wound with AC coil and dc coil, openend at inner sleeve has the evagination ring surface, wall has and water inlet or the corresponding hole of delivery port, one end of said outer sleeve is fixed on the base, the other end has the convex ring surface, the both ends of the surface that are enclosed within the spring on the inner sleeve offset with the evagination ring surface of inner sleeve and the convex ring surface of outer sleeve respectively, the wall of outer sleeve has and delivery port or the corresponding hole of water inlet, centre bore at coil rack is built-in with giant magnetostrictive rod and cylindrical locating piece, one end of locating piece contacts with giant magnetostrictive rod, and the other end places in the centralized positioning shrinkage pool of inner sleeve bottom surface.
Its operation principle is as follows:
Workpiece is fixed on the bottom surface of the base or the inner sleeve of exciting device, and AC coil and dc coil are connected AC power and dc source respectively, feed cooling water in the cooling duct of coil rack.Giant magnetostrictive rod is in the mixed magnetic field of AC coil and dc coil generation, the magnetic field that AC power produces makes giant magnetostrictive rod carry out the axial stretching distortion in the range of linearity, and the magnetic field that dc source produces guarantees that magnetostrictive rod is operated in the range of linearity.Along with the variation that feeds the alternating current size, giant magnetostrictive rod produces dilatation vertically, promote locating piece and inner sleeve reciprocal vertically dither in outer sleeve,, the power output of exciting device is affacted on the workpiece according to inertia and active force and reaction force principle.And the closed magnetic circuit that locating piece, base, outer sleeve, giant magnetostrictive rod and breath constitute has prevented leakage field, also can not interact with outside workpiece and equipment.
The beneficial effects of the utility model are:
The exciting device that is used to eliminate residual stress of the present utility model is simple in structure, thermal diffusivity is good, can realize dither easily by the frequency that changes AC power, vibration frequency can reach 1000-3000Hz, this device is used for oscillating aging, can make the macroscopic deformation amount of test specimen very little, effectively prevent the generation and the development of workpiece fatigue crack, be difficult for making workpiece to produce fatigue damage.
Description of drawings
Fig. 1 is the structural representation that is used to eliminate the exciting device of residual stress;
Fig. 2 is the coil rack enlarged drawing.
The specific embodiment
In conjunction with the accompanying drawings the utility model is described in detail respectively below.
With reference to Fig. 1, Fig. 2, the exciting device that is used to eliminate residual stress of the present utility model comprises base 1, the coil rack 5 of outside coaxial line device from the lining, AC coil 10, dc coil 9, inner sleeve 4, spring 2 and outer sleeve 3, coil rack 5 has centre bore and several axially extending bores that are used to cool off 8, in the diagram instantiation, have the axially extending bore of 8 Φ 3, the two ends of 8 axially extending bores seal with rubber nut 13 respectively, both ends of the surface at coil rack 5 have evagination annulus 5-1 respectively, be provided with circular passage 14 in the evagination annulus, circular passage 14 is connected with axially extending bore 8, circumferentially respectively be fastened with copper hoop 11 at two evagination annulus 5-1, in the legend, have the water inlet 12 that is connected with circular passage 14 on the superincumbent copper hoop 11, have the delivery port 15 that is connected with circular passage 14 on the copper hoop 11 below, constituted a closed chilled(cooling) water return (CWR), this type of cooling can directly sponge heat internally, is beneficial to the job stability and the service life of improving device.The centre bore of coil rack 5 places on the positioning boss of base 1, and fastening with base 1, and inner sleeve 4 is the inversion cup-shaped, is enclosed within outside the coil rack 5 that is wound with AC coil 10 and dc coil 9, and 10 of dc coil 9 and AC coils have insulating barrier to separate.Openend at inner sleeve 4 has evagination ring surface 4-1, wall has and water inlet 12 corresponding hole 4-2, one end of said outer sleeve 3 is fixed on the base 1, the other end has convex ring surface 3-1, the both ends of the surface that are enclosed within the spring 2 on the inner sleeve 4 offset with the evagination ring surface 4-1 of inner sleeve 4 and the convex ring surface 3-1 of outer sleeve 3 respectively, and the wall of outer sleeve 3 has and delivery port 15 corresponding hole 3-2.Centre bore at coil rack 5 is built-in with giant magnetostrictive rod 7 and cylindrical locating piece 6, and an end of locating piece 6 contacts with giant magnetostrictive rod 7, and the other end places in the centralized positioning shrinkage pool of inner sleeve 4 bottom surfaces.
Usually, outer sleeve 3 is tightened by screw thread be fixed on the base 1, so that regulate the precompression of giant magnetostrictive rod 7.
Claims (2)
1. exciting device that is used to eliminate residual stress, it is characterized in that comprising base (1), the coil rack of outside coaxial line device (5) from the lining, AC coil (10), dc coil (9), inner sleeve (4), spring (2) and outer sleeve (3), coil rack (5) has centre bore and several axial holes that are used to cool off (8), both ends of the surface at coil rack (5) have evagination annulus (5-1) respectively, be provided with circular passage (14) in the evagination annulus, circular passage (14) is connected with axial hole (8), circumferentially respectively be fastened with copper hoop (11) at two evagination annulus (5-1), have the water inlet (12) that is connected with circular passage (14) on the copper hoop (11), have the delivery port (15) that is connected with circular passage (14) on another copper hoop (11), the centre bore of coil rack (5) places on the positioning boss of base (1), and it is fastening with base (1), inner sleeve (4) is the inversion cup-shaped, be enclosed within outside the coil rack (5) that is wound with AC coil (10) and dc coil (9), openend at inner sleeve (4) has evagination ring surface (4-1), wall has and water inlet (12) or the corresponding hole of delivery port (15) (4-2), one end of said outer sleeve (3) is fixed on the base (1), the other end has convex ring surface (3-1), the both ends of the surface that are enclosed within the spring (2) on the inner sleeve (4) offset with the evagination ring surface (4-1) of inner sleeve (4) and the convex ring surface (3-1) of outer sleeve (3) respectively, the wall of outer sleeve (3) has and delivery port (15) or the corresponding hole of water inlet (12) (3-2), centre bore at coil rack (5) is built-in with giant magnetostrictive rod (7) and cylindrical locating piece (6), one end of locating piece (6) contacts with giant magnetostrictive rod (7), and the other end places in the centralized positioning shrinkage pool of inner sleeve (4) bottom surface.
2. the exciting device that is used to eliminate residual stress according to claim 1, an end that it is characterized in that outer sleeve (3) is tightened by screw thread and is fixed on the base (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620102802 CN2885432Y (en) | 2006-04-18 | 2006-04-18 | Exciting device for eliminating residue stress |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620102802 CN2885432Y (en) | 2006-04-18 | 2006-04-18 | Exciting device for eliminating residue stress |
Publications (1)
Publication Number | Publication Date |
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CN2885432Y true CN2885432Y (en) | 2007-04-04 |
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CN 200620102802 Expired - Lifetime CN2885432Y (en) | 2006-04-18 | 2006-04-18 | Exciting device for eliminating residue stress |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102080154A (en) * | 2011-02-16 | 2011-06-01 | 贵州虹山虹飞轴承有限责任公司 | Novel method for quickly eliminating residual stress of metal material |
CN102766757A (en) * | 2012-08-02 | 2012-11-07 | 南宁市神华振动时效技术研究所 | Vibration stress relief device for compressor cylinder |
CN103042109A (en) * | 2012-12-28 | 2013-04-17 | 哈尔滨工业大学 | Device and method for high-frequency vibration assisted micro-deep drawing forming of foil boards |
CN103071612A (en) * | 2012-12-28 | 2013-05-01 | 深圳职业技术学院 | Sandwich type piezoelectric ceramic ultrasonic transducer |
CN103589855A (en) * | 2013-12-03 | 2014-02-19 | 北京航空航天大学 | Low temperature treatment-vibration aging combined residual stress homogenization method |
CN103627885A (en) * | 2013-11-18 | 2014-03-12 | 江苏大学 | Pinhole inner wall reinforcement method and device based on magnetostriction |
CN105385842A (en) * | 2015-12-16 | 2016-03-09 | 上海交通大学 | Residual stress releasing process device and stress releasing method for manufacturing process of large thin-walled components |
CN106802237A (en) * | 2017-01-20 | 2017-06-06 | 广西大学 | A kind of Leahy formula alternation torque loading device |
CN106964717A (en) * | 2016-07-11 | 2017-07-21 | 北京航空航天大学 | A kind of hydraulic expanding-forming residual stress homogenizer of large-scale looping mill rolling part |
CN109131266A (en) * | 2018-09-11 | 2019-01-04 | 广州创链科技有限公司 | A kind of multi-functional AGV trolley |
CN111850877A (en) * | 2018-03-14 | 2020-10-30 | 南通全技纺织涂层有限公司 | Working method of coating and scraping mechanism combining piezomagnetic effect and magnetostriction principle |
-
2006
- 2006-04-18 CN CN 200620102802 patent/CN2885432Y/en not_active Expired - Lifetime
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102080154B (en) * | 2011-02-16 | 2012-07-04 | 贵州虹山虹飞轴承有限责任公司 | Novel method for quickly eliminating residual stress of metal material |
CN102080154A (en) * | 2011-02-16 | 2011-06-01 | 贵州虹山虹飞轴承有限责任公司 | Novel method for quickly eliminating residual stress of metal material |
CN102766757A (en) * | 2012-08-02 | 2012-11-07 | 南宁市神华振动时效技术研究所 | Vibration stress relief device for compressor cylinder |
CN103042109A (en) * | 2012-12-28 | 2013-04-17 | 哈尔滨工业大学 | Device and method for high-frequency vibration assisted micro-deep drawing forming of foil boards |
CN103071612A (en) * | 2012-12-28 | 2013-05-01 | 深圳职业技术学院 | Sandwich type piezoelectric ceramic ultrasonic transducer |
CN103042109B (en) * | 2012-12-28 | 2015-03-25 | 哈尔滨工业大学 | Method for high-frequency vibration assisted micro-deep drawing forming of foil boards |
CN103627885B (en) * | 2013-11-18 | 2016-04-06 | 江苏大学 | A kind of based on the inner-wall reinforced method of magnetostrictive aperture and device |
CN103627885A (en) * | 2013-11-18 | 2014-03-12 | 江苏大学 | Pinhole inner wall reinforcement method and device based on magnetostriction |
CN103589855A (en) * | 2013-12-03 | 2014-02-19 | 北京航空航天大学 | Low temperature treatment-vibration aging combined residual stress homogenization method |
CN105385842A (en) * | 2015-12-16 | 2016-03-09 | 上海交通大学 | Residual stress releasing process device and stress releasing method for manufacturing process of large thin-walled components |
CN106964717A (en) * | 2016-07-11 | 2017-07-21 | 北京航空航天大学 | A kind of hydraulic expanding-forming residual stress homogenizer of large-scale looping mill rolling part |
CN106964717B (en) * | 2016-07-11 | 2019-03-15 | 北京航空航天大学 | A kind of hydraulic expanding-forming residual stress homogenizer of large size looping mill rolling part |
CN106802237A (en) * | 2017-01-20 | 2017-06-06 | 广西大学 | A kind of Leahy formula alternation torque loading device |
CN106802237B (en) * | 2017-01-20 | 2023-05-09 | 广西大学 | Cam impact type alternating torque loading device |
CN111850877A (en) * | 2018-03-14 | 2020-10-30 | 南通全技纺织涂层有限公司 | Working method of coating and scraping mechanism combining piezomagnetic effect and magnetostriction principle |
CN111850877B (en) * | 2018-03-14 | 2021-08-24 | 南通全技纺织涂层有限公司 | Working method of coating and scraping mechanism combining piezomagnetic effect and magnetostriction principle |
CN109131266A (en) * | 2018-09-11 | 2019-01-04 | 广州创链科技有限公司 | A kind of multi-functional AGV trolley |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Effective date of abandoning: 20091014 |
|
C25 | Abandonment of patent right or utility model to avoid double patenting |