CN105861791A - Longitudinal magnetic flux inductive heat treatment device for wind power internal gear ring - Google Patents
Longitudinal magnetic flux inductive heat treatment device for wind power internal gear ring Download PDFInfo
- Publication number
- CN105861791A CN105861791A CN201610329273.XA CN201610329273A CN105861791A CN 105861791 A CN105861791 A CN 105861791A CN 201610329273 A CN201610329273 A CN 201610329273A CN 105861791 A CN105861791 A CN 105861791A
- Authority
- CN
- China
- Prior art keywords
- induction coil
- connecting plate
- wind
- induction
- ring gear
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
-
- 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 relates to a longitudinal magnetic flux inductive heat treatment device for a wind power internal gear ring. The device mainly comprises a supporting table, a motor, a motor base, a connecting disc, a supporting turntable, a hydraulic cylinder, a magnetizer, an electrifying plate, induction coils, a cooler, the wind power internal gear ring, lower parts of the induction coils, middle parts of the induction coils, upper parts of the induction coils, a frame and supporting legs. The device provided by the invention is higher in efficiency and simple in structure, and overcomes the technical bottleneck that a large gear ring cannot be efficiently heated through the longitudinal magnetic flux. The device is better in adaptability, and an inductor needs not to be re-manufactured after tooth profile parameters are transformed. The device can be suitable for internal gear rings with different specifications, sizes and heights and is simpler in positioning operation compared with that of existing tooth-by-tooth inductive heating. A pre-heating coil is additionally arranged to fit the characteristic that a large wind power internal gear ring is relatively high in depth of tooth, and the efficiency is higher than that of tooth-by-tooth quenching. Gear teeth of the whole tooth width can be liquid-sprayed to cool during cooling. Compared with tooth-by-tooth heating and continuous liquid-spraying cooling, the residual stress in a wall thickness direction is reduced.
Description
Technical field
The present invention relates to induction heat treatment field, particularly to a kind of longitudinal magnetic flux Induction Heat Treatment Equipment.
Background technology
Wind energy is as a kind of clean reproducible energy, increasingly by attention both domestic and external.The wind-force money of China
Source is the abundantest, and the development prospect of the generation of electricity by new energy industries such as wind-force is the most wide, it is contemplated that future is the longest one section
Time all will keep high speed development, and profitability also will promote along with the gradually ripe of technology steadily simultaneously.Wind
Power generator units' installation at the air ports such as high mountain, wilderness, island, strong by irregular break-in varying duty
Wind effect, work under bad environment.Wind-powered electricity generation ring gear is the important foundation part of wind power plant drive mechanism.
Wind turbine gearbox is arranged in narrow space, once breaks down, and repairs extremely difficult, therefore to its property
Can have the requirement high compared with common mechanical, the compressor emergency shutdown caused due to the inefficacy of wind turbine gearbox geared parts becomes
For one of principal element affecting unit reliability, need it is carried out intensive treatment.Main employing
Carburizing, nitridation and impewdance matching gear ring especially big to wind-powered electricity generation is strengthened.Impewdance matching and other two kinds of quenching sides
Formula is compared, then have that technique is simple, workpiece deforms little, high-efficient energy-saving environment friendly, it is easy to accomplish mechanical automation
Etc. advantage.Induction heat treatment for large-scale wind electricity ring gear uses by tooth quenching or interval quenching at present, again
It is specifically divided into bag tooth sense of continuity of quenching and should add showing tremendous enthusiasm, V-arrangement induction apparatus along the continuous induction hardening of teeth groove and ∏
Shape induction apparatus is along the continuous induction hardening of teeth groove.Wherein bag tooth continuous induction hardening induction apparatus makes essence
It is poor to spend, and can not realize tooth root and harden；The continuous induction hardening of bag tooth belongs to outer round surface heating, heating
Time gear surface be transverse magnetic flux, electromagnetic induction efficiency comparison is low；∏ shape induction apparatus should add along teeth groove sense of continuity
Thermal quenching efficiency is between said two devices, but induction apparatus needs polish molding, and induction apparatus time is long,
The gear that tooth profile parameter is different is needed different induction apparatuss, and cost is high.The most described three kinds of processing methods exist
In the course of processing, induction apparatus is and moves continuously along facewidth direction, gradually heats ring gear profile of tooth,
Processing one rooted tooth, inefficiency every time；Cool down by tooth heating process is sprayed coolant simultaneously, wall
Thick direction temperature and uneven, can produce the biggest thermal stress, result is produced impact, it may appear that
The unequal defect of crackle, hardness.Present large-scale induction heating equipment cost is higher than prior heat treatment stove, needs
Induction Heat Treatment Equipment is preferably utilized to process to workpiece to be handled so that it is flexibility (adaptability) of operation is higher.
Summary of the invention
It is an object of the invention to provide a kind of raising wind-powered electricity generation ring gear induction heat treatment efficiency, it is possible to be applicable to not
The wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device of same parameter ring gear.
The invention mainly comprises support platform, motor, motor cabinet, connection dish, supporting turntable, hydraulic cylinder, lead
Magnet, add in electroplax, induction coil, cooler, wind-powered electricity generation ring gear, induction coil bottom, induction coil
Portion, induction coil top, supporting leg, connecting plate A, connecting plate B, connecting plate C and connecting plate D.
Wherein, support platform and be made up of circular flat board and supporting leg, be provided with circular flat board on the top of supporting leg.
Be provided with motor cabinet in the bottom of the circular flat board supporting platform, motor cabinet is fixing with ground to be connected.Under motor cabinet
Portion is provided with motor, and the output shaft of motor extends to the top of motor cabinet, and the middle part of connection dish is provided with axial hole,
Axial hole and the output shaft of motor are by bonded.The top of connection dish is provided with supporting turntable.Support platform and
The corresponding position of supporting turntable, is equipped with an annular groove, is provided with some balls in annular groove,
Ball connects with motor output shaft.At the upper surface of supporting turntable, it is provided with the hydraulic cylinder of some circumferential arrangement,
The fixing end of hydraulic cylinder is located at the upper surface of supporting turntable, all lives with wind-powered electricity generation ring gear in the upper end of hydraulic cylinder push rod
It is dynamically connected.Wind-powered electricity generation ring gear is socketed two groups of induction coils, often group induction coil by preheat induction coil and
Process induction coil forms.Two groups of induction coils are about the centrosymmetry of wind-powered electricity generation ring gear.It is placed in wind-powered electricity generation internal tooth
The distance between induction coil part and the inwall of wind-powered electricity generation ring gear within Quan, less than being placed in wind-powered electricity generation ring gear
The outside distance between induction coil part and the outer wall of wind-powered electricity generation ring gear.Preheating induction coil and process sense
The structure answering coil is identical, all includes in the middle part of induction coil top, induction coil and induction coil bottom, sense
Answering coil top, induction coil bottom to be hollow housing, induction coil bottom is U-shaped, at the line of induction
The two ends of circle bottom are equipped with through hole, and the end of induction coil bottom is respectively provided on two sides with connecting plate A.Sensing
Thiol is I shape, is respectively arranged at two ends with in the middle part of induction coil on induction coil top, induction coil
Be provided with in Zhong Bu two cooling water through holes, the lower end in the middle part of induction coil be respectively provided on two sides with connecting plate B.
Upper end in the middle part of induction coil be respectively provided on two sides with connecting plate C.
Upper end in the middle part of each induction coil is respectively equipped with induction coil top, the both sides, end on induction coil top
It is respectively equipped with connecting plate D.The upper end on induction coil top curves inwardly, the upper end on induction coil top and under
End is equipped with through hole.In the middle part of induction coil top, induction coil and induction coil bottom, by connecting plate A,
Connecting plate B, connecting plate C and connecting plate D bolt connect.Solid respectively in the upper end on each induction coil top
Surely connect one and add electroplax.It is placed in the middle part of each induction coil within wind-powered electricity generation ring gear and is socketed magnetic conductor.
It is provided with cooler in each process induction coil side, processes induction coil and be placed in preheating induction coil and cooling
Between device.Cooler is hollow housing structure, and side, lower end is provided with row's cooling water hole, and induction coil is with cold
But device is fixed in frame by insulated bolt.The cross section of frame is inverted L shape, and the bottom of frame is placed in level
On face.
Wind-powered electricity generation ring gear in use, is placed on the hydraulic cylinder push rod being circumferentially distributed by the present invention, adjusts
Ring gear and hydraulic cylinder circumferential spread concentric, two induction coils of installation preheating and process, according to processing
Wind-powered electricity generation ring gear, adjust the distance being provided with inside induction coil inside magnetic conductor part and ring gear.When
Ring gear against rotation, during coil to Position of Hydraulic Cylinder, hydraulic cylinder shrinks, and coil rotated this position, corresponding liquid
Cylinder pressure extends, and proceeds by process, and wind-powered electricity generation ring gear is preheated by preheating induction coil, the corresponding gear teeth
After tip portion loss of excitation, tooth root and flank portion are heated, then under the effect of ring-around by treatment coil
Cooler carries out, in widths over teeth direction sprinkling coolant, the cooling process that quenches again.After process completes, pull down sensing
Coil bottom, removes workpiece.
The present invention compared with prior art has the advantage that
1, original wind-powered electricity generation ring gear is compared by tooth impewdance matching, in hgher efficiency, simple in construction, add than carburizing
Hot environmental protection, energy consumption is low, solves large gear ring and can not utilize the technical bottleneck of longitudinal magnetic flux high-efficiency heating.
2, more original higher by tooth induction heating method adaptability, it is not necessary to again to make after conversion tooth profile parameter
Making induction apparatus, the applicable different size of this mode of heating, size, the ring gear of height and positioning action ratio are existing
Have by tooth sensing heating simpler.
3, adding preheating coil, adapt to the feature that large-scale wind electricity ring gear tooth depth is higher, efficiency is higher than by tooth
Quenching.
4, once the gear teeth to the whole facewidth can carry out Liquid injection cooling during cooling, contrast by tooth heating spray continuously
Liquid cools down, and reduces the residual stress in wall thickness direction.
Accompanying drawing explanation
Fig. 1 is that 1/4th of the present invention cuts open three-dimensional view；
Fig. 2 is that motor coupling portion of the present invention divides partial enlarged drawing；
Fig. 3 is the induction coil axonometric drawing of the present invention；
Fig. 4 is the induction coil lower perspective schematic diagram of the present invention；
Fig. 5 is induction coil explosive view of the present invention；
Fig. 6 cooler axonometric drawing.
Drawing reference numeral: 1-supports platform, 2-motor, 3-motor cabinet, 4-connection dish, 5-supporting turntable, 6-liquid
Cylinder pressure, 7-magnetic conductor, 8-add electroplax, 9-induction coil, 10-cooler, 11-wind-powered electricity generation ring gear, 9-1 sense
Answer in the middle part of coil bottom, 9-2 induction coil, 9-3 induction coil top, 12-supporting leg, 13-connecting plate A,
14-connecting plate B, 15-connecting plate C, 16-connecting plate D, 17-frame.
Detailed description of the invention
In the simplified schematic diagram of the present invention shown in Fig. 1 to Fig. 6, support platform 1 by circular flat board and support
Lower limb 12 forms, and is provided with circular flat board on the top of supporting leg.It is provided with in the bottom of the circular flat board supporting platform
Motor cabinet 3, motor cabinet is fixing with ground to be connected.The bottom of motor cabinet is provided with motor 2, the output shaft of motor
Extending to the top of motor cabinet, the middle part of connection dish is provided with axial hole, and the output shaft of axial hole and motor passes through
Bonded.The top of connection dish 4 is provided with supporting turntable 5.Supporting platform and the corresponding position of supporting turntable,
Being equipped with an annular groove, be provided with some balls in annular groove, ball connects with motor output shaft.
At the upper surface of supporting turntable, being provided with the hydraulic cylinder 6 of circumferential arrangement, the fixing end of hydraulic cylinder is located at Zhi Chengzhuan
The upper surface of dish, the upper end of hydraulic cylinder push rod is all flexibly connected with wind-powered electricity generation ring gear 11.At wind-powered electricity generation ring gear
Two groups of induction coils 9 of upper socket, often group induction coil is formed with process induction coil by preheating induction coil.
Two groups of induction coils are about the centrosymmetry of wind-powered electricity generation ring gear.It is placed in the induction coil portion within wind-powered electricity generation ring gear
Divide the distance between the inwall of wind-powered electricity generation ring gear, less than being placed in the induction coil part outside wind-powered electricity generation ring gear
And the distance between the outer wall of wind-powered electricity generation ring gear.Preheating induction coil is identical with processing induction coil configuration,
All include 9-2 in the middle part of induction coil top 9-3, induction coil, induction coil bottom 9-1, connecting plate A13,
Connecting plate B14, connecting plate C15 and connecting plate D16, during induction coil top, induction coil bottom are
Empty capsid, induction coil bottom is U-shaped, is equipped with through hole, the line of induction at the two ends of induction coil bottom
The end of circle bottom is respectively provided on two sides with connecting plate A.It is I shape in the middle part of induction coil, on induction coil
Portion is respectively arranged at two ends with in the middle part of induction coil, in the middle part of induction coil in be provided with two cooling water through holes, sensing
The lower end of thiol be respectively provided on two sides with connecting plate B.The both sides of the upper end in the middle part of induction coil set respectively
There is connecting plate C.Upper end in the middle part of each induction coil is respectively equipped with induction coil top, on induction coil
The end in portion is respectively provided on two sides with connecting plate D.The upper end on induction coil top curves inwardly, on induction coil
The top and bottom in portion are equipped with through hole.In the middle part of induction coil top, induction coil and induction coil bottom,
Connected by connecting plate A, connecting plate B, connecting plate C and connecting plate D bolt.On each induction coil
The upper end in portion is respectively fixedly connected with one and adds electroplax 8.It is placed in each induction coil within wind-powered electricity generation ring gear
Magnetic conductor 7 it is socketed in portion.It is provided with cooler 10 in each process induction coil side, processes induction coil and put
Between preheating induction coil and cooler.Cooler is hollow housing structure, and it is cold that side, lower end is provided with a row
But water hole, induction coil and cooler are fixed in frame 17 by insulated bolt.The cross section of frame is inverted L
Type, the bottom of frame is placed on horizontal plane.
Claims (2)
1. a wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device, mainly include support platform, motor, motor cabinet,
Connection dish, supporting turntable, hydraulic cylinder, magnetic conductor, add electroplax, induction coil, cooler, wind-powered electricity generation internal tooth
In the middle part of circle, induction coil bottom, induction coil, induction coil top, supporting leg, connecting plate A, connection
Plate B, connecting plate C, connecting plate D and frame, it is characterised in that: support platform by circular flat board and supporting leg
Composition, is provided with circular flat board, is provided with motor cabinet in the bottom of the circular flat board supporting platform on the top of supporting leg,
Motor cabinet is fixing with ground to be connected, and the bottom of motor cabinet is provided with motor, and the output shaft of motor extends to motor cabinet
Top, the middle part of connection dish is provided with axial hole, and axial hole and the output shaft of motor, by bonded, connect
The top of dish is provided with supporting turntable, is supporting platform and the corresponding position of supporting turntable, is being equipped with an annular
Groove, is provided with ball in annular groove, and ball connects with motor output shaft, at the upper surface of supporting turntable,
Being provided with the hydraulic cylinder of circumferential arrangement, the fixing end of hydraulic cylinder is located at the upper surface of supporting turntable, hydraulic cylinder push rod
Upper end be all flexibly connected with wind-powered electricity generation ring gear, wind-powered electricity generation ring gear is socketed two groups of induction coils, often organizes sense
Answering coil to be formed with process induction coil by preheating induction coil, two groups of induction coils are about wind-powered electricity generation ring gear
Centrosymmetry, be placed between the induction coil part within wind-powered electricity generation ring gear and the inwall of wind-powered electricity generation ring gear away from
From, less than be placed between the induction coil part outside wind-powered electricity generation ring gear and the outer wall of wind-powered electricity generation ring gear away from
From, it is respectively fixedly connected with one in the upper end on each induction coil top and adds electroplax, be placed in wind-powered electricity generation ring gear
It is socketed magnetic conductor in the middle part of each induction coil in portion, is provided with cooler in each process induction coil side,
Processing induction coil to be placed between preheating induction coil and cooler, cooler is hollow housing structure, lower end
Side is provided with row's cooling water hole, and induction coil and cooler are fixed in frame by insulated bolt, frame
Cross section be inverted L shape, the bottom of frame is placed on horizontal plane.
A kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device the most according to claim 1, its feature exists
In: preheating induction coil is identical with processing induction coil configuration, all includes induction coil top, induction coil
Middle part, induction coil bottom, connecting plate A, connecting plate B, connecting plate C and connecting plate D, on induction coil
Portion, induction coil bottom are hollow housing, and induction coil bottom is U-shaped, in induction coil bottom
Two ends are equipped with through hole, and the end of induction coil bottom is respectively provided on two sides with connecting plate A, in the middle part of induction coil is
I shape, is respectively arranged at two ends with in the middle part of induction coil on induction coil top, in the middle part of induction coil in be provided with two
Individual cooling water through hole, the lower end in the middle part of induction coil be respectively provided on two sides with connecting plate B, in the middle part of induction coil
Upper end be respectively provided on two sides with connecting plate C, the upper end in the middle part of each induction coil is respectively equipped with on induction coil
Portion, the end on induction coil top is respectively provided on two sides with connecting plate D, and the upper end on induction coil top curves inwardly,
The top and bottom on induction coil top are equipped with through hole, in the middle part of induction coil top, induction coil and the line of induction
Circle bottom, is connected by connecting plate A, connecting plate B, connecting plate C and connecting plate D bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610329273.XA CN105861791B (en) | 2016-05-18 | 2016-05-18 | A kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610329273.XA CN105861791B (en) | 2016-05-18 | 2016-05-18 | A kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105861791A true CN105861791A (en) | 2016-08-17 |
| CN105861791B CN105861791B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610329273.XA Active CN105861791B (en) | 2016-05-18 | 2016-05-18 | A kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device |
Country Status (1)
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| CN (1) | CN105861791B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652621A (en) * | 2018-12-07 | 2019-04-19 | 燕山大学 | The device of end mass is heated in a kind of bootstrap block promotion by tooth |
| CN110273057A (en) * | 2019-06-13 | 2019-09-24 | 徐州箱桥机械有限公司 | A kind of device for internal gear mid frequency induction hardening |
| CN114290242A (en) * | 2022-01-19 | 2022-04-08 | 南阳新兴精密光学有限公司 | Gear ring hydraulic lifting device for grinding machine |
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| CN104673986A (en) * | 2015-03-20 | 2015-06-03 | 十堰高周波科工贸有限公司 | Gantry type double-frequency induction quenching machine tool for medium modulus gear |
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| CN109652621B (en) * | 2018-12-07 | 2019-10-01 | 燕山大学 | The device of end mass is heated in a kind of bootstrap block promotion by tooth |
| CN110273057A (en) * | 2019-06-13 | 2019-09-24 | 徐州箱桥机械有限公司 | A kind of device for internal gear mid frequency induction hardening |
| CN114290242A (en) * | 2022-01-19 | 2022-04-08 | 南阳新兴精密光学有限公司 | Gear ring hydraulic lifting device for grinding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105861791B (en) | 2017-10-20 |
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