CN105861791B - A kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device - Google Patents
A kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device Download PDFInfo
- Publication number
- CN105861791B CN105861791B CN201610329273.XA CN201610329273A CN105861791B CN 105861791 B CN105861791 B CN 105861791B CN 201610329273 A CN201610329273 A CN 201610329273A CN 105861791 B CN105861791 B CN 105861791B
- Authority
- CN
- China
- Prior art keywords
- induction coil
- wind
- ring gear
- connecting plate
- electricity generation
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- General Induction Heating (AREA)
Abstract
A kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device, mainly including supporting table, motor, motor cabinet, terminal pad, supporting turntable, hydraulic cylinder, magnetic conductor, power-up plate, induction coil, cooler, wind-powered electricity generation ring gear, induction coil bottom, induction coil middle part, induction coil top, support and supporting leg.The present invention is more efficient, simple in construction, and the technical bottleneck of longitudinal magnetic flux high-efficiency heating can not be utilized by solving large gear ring.Adaptability is stronger, and without remaking inductor after conversion tooth profile parameter, applicable different size, size, the ring gear of height and positioning action are more simpler by tooth sensing heating than existing.Preheating coil is added, the characteristics of large-scale wind electricity ring gear tooth is higher is adapted to, efficiency is higher than to quench by tooth.Liquid injection cooling once can be carried out to the gear teeth of the whole facewidth during cooling, contrast heats continuous Liquid injection cooling by tooth, reduces the residual stress in wall thickness direction.
Description
Technical field
The present invention relates to induction heat treatment field, more particularly to a kind of longitudinal magnetic flux Induction Heat Treatment Equipment.
Background technology
Wind energy is increasingly paid attention to as a kind of clean reproducible energy by both domestic and external.The wind resource of China is very
Abundant, the development prospect of the generation of electricity by new energy industry such as wind-force is very wide, it is contemplated that following a very long time will all keep at a high speed
Development, while profitability is also by with the gradually ripe lifting steadily of technology.Wind-driven generator units' installation is in high mountain, famine
At the air ports such as open country, island, acted on by the high wind of irregular deflecting varying duty, working environment is severe.Wind-powered electricity generation ring gear is wind-force
The important foundation part of generating equipment transmission mechanism.Wind turbine gearbox is arranged in narrow space, once breaking down, is repaired non-
It is often difficult, therefore have the requirement high compared with common mechanical, the machine triggered due to the failure of wind turbine gearbox geared parts to its performance
Group shuts down one of principal element as influence unit reliability, it is necessary to carry out intensive treatment to it.Main use is oozed both at home and abroad
Carbon, nitridation and impewdance matching are strengthened to the especially big gear ring of wind-powered electricity generation.Impewdance matching then has compared with other two kinds of quenching modes
Technique is simple, workpiece deforms small, high-efficient energy-saving environment friendly, it is easy to accomplish the advantages of mechanical automation.At present in large-scale wind electricity
The induction heat treatment of gear ring is used to quench or be spaced by tooth and quenched, and bag tooth is specifically divided into again and is quenched continuous sensing heating fire, V-arrangement sensing
Device is along the continuous induction hardening of teeth groove and ∏ shapes inductor along the continuous induction hardening of teeth groove.Wherein bag tooth continuously senses
Heating quenching inductor makes low precision, can not realize that tooth root hardens；The continuous induction hardening of bag tooth belongs to outer round surface
Heating, gear surface is transverse magnetic flux during heating, and electromagnetic induction efficiency comparison is low；∏ shapes inductor is along the continuous sensing heating of teeth groove
Quenching efficiency is between said two devices, but inductor needs to finish shaping, and inductor time is long, to tooth profile parameter not
Same gear needs different inductors, and cost is high.In process, inductor is edge to three kinds of processing methods simultaneously
Facewidth direction is continuously moved, and gradually ring gear tooth form is heated, every time one rooted tooth of processing, inefficiency；By tooth heating
During spray coolant simultaneously and cooled down, wall thickness direction temperature and its uneven can produce very big thermal stress, to handling
As a result influence is produced, it may appear that the unequal defect of crackle, hardness.Present large-scale induction heating equipment cost is higher than prior heat treatment
Stove makes its flexibility (adaptability) of operation stronger, it is necessary to preferably handled to workpiece to be handled using Induction Heat Treatment Equipment.
The content of the invention
Wind-powered electricity generation ring gear induction heat treatment efficiency is improved it is an object of the invention to provide one kind, different parameters can be applied to
The wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device of ring gear.
The invention mainly comprises supporting table, motor, motor cabinet, terminal pad, supporting turntable, hydraulic cylinder, magnetic conductor, power-up
Plate, induction coil, cooler, wind-powered electricity generation ring gear, induction coil bottom, induction coil middle part, induction coil top, supporting leg,
Connecting plate A, connecting plate B, connecting plate C and connecting plate D.
Wherein, supporting table is made up of circular flat board and supporting leg, and circular flat board is provided with the top of supporting leg.In supporting table
The bottom of circular flat board be provided with motor cabinet, motor cabinet is fixedly connected with ground.The bottom of motor cabinet be provided with motor, motor it is defeated
Shaft extends to the top of motor cabinet, and the middle part of terminal pad is provided with axial hole, and the output shaft of axial hole and motor is connected by key.
The top of terminal pad is provided with supporting turntable.In supporting table and the corresponding position of supporting turntable, an annular groove is equipped with,
Some balls are provided with annular groove, ball connects with motor output shaft.In the upper surface of supporting turntable, provided with some circumferential rows
The hydraulic cylinder of row, the fixing end of hydraulic cylinder is located at the upper surface of supporting turntable, the upper end of hydraulic cylinder push rod with wind-powered electricity generation ring gear
It is flexibly connected.Two groups of induction coils are socketed on wind-powered electricity generation ring gear, every group of induction coil is sensed by preheating induction coil and processing
Coil is constituted.Central Symmetry of two groups of induction coils on wind-powered electricity generation ring gear.The induction coil portion being placed in inside wind-powered electricity generation ring gear
The distance between point with the inwall of wind-powered electricity generation ring gear, less than the induction coil part and wind-powered electricity generation internal tooth being placed in outside wind-powered electricity generation ring gear
The distance between outer wall of circle.Induction coil is preheated identical with processing induction coil configuration, including induction coil top, sense
Thiol and induction coil bottom are answered, induction coil top, induction coil bottom are hollow housing, and induction coil bottom is
U-shaped, through hole is equipped with the two ends of induction coil bottom, and the end both sides of induction coil bottom are respectively equipped with connecting plate A.Sense
It is I-shaped to answer thiol, is respectively equipped with the two ends on induction coil top in the middle part of induction coil, and induction coil is set in middle part
The both sides for having the lower end in the middle part of two cooling water through holes, induction coil are respectively equipped with connecting plate B.Upper end in the middle part of induction coil
Both sides are respectively equipped with connecting plate C.
Upper end in the middle part of each induction coil is respectively equipped with induction coil top, the end both sides point on induction coil top
She You not connecting plate D.The upper end on induction coil top curves inwardly, and the top and bottom on induction coil top are equipped with through hole.
In the middle part of induction coil top, induction coil and induction coil bottom, passes through connecting plate A, connecting plate B, connecting plate C and connecting plate D
Bolt connection.A power-up plate is respectively fixedly connected with the upper end on each induction coil top.It is placed in inside wind-powered electricity generation ring gear
Magnetic conductor is socketed in the middle part of each induction coil.Cooler is provided with each processing induction coil side, processing induction coil is put
Between preheating induction coil and cooler.Cooler is hollow housing structure, and lower end side is provided with row's cooling water hole, sensing
Coil is fixed in frame with cooler by insulated bolt.The section of frame is in inverted L shape, and the bottom of frame is placed in horizontal plane
On.
In the use of the present invention, wind-powered electricity generation ring gear is placed on the hydraulic cylinder push rod being circumferentially distributed, ring gear is adjusted
It is concentric with hydraulic cylinder circumferential spread, two induction coils of preheating and processing are installed, according to by the wind-powered electricity generation ring gear of processing, adjusted
Magnetic conduction body portion and the distance on the inside of ring gear are installed on the inside of induction coil.Work as ring gear against rotation, when coil is to Position of Hydraulic Cylinder,
Hydraulic cylinder shrinks, and coil rotated the position, and corresponding hydraulic cylinder elongation proceeds by processing, preheating induction coil is to wind-powered electricity generation
Ring gear is preheated, and after corresponding gear teeth tip portion loss of excitation, treatment coil is in the presence of ring-around to tooth root and tooth
Side part is heated, and then cooler carries out quenching cooling treatment in widths over teeth direction sprinkling coolant again.After the completion of processing, pull down
Induction coil bottom, removes workpiece.
The present invention has the following advantages that compared with prior art：
1st, it is more efficient compared to original wind-powered electricity generation ring gear by tooth impewdance matching, it is simple in construction, heat green ring than carburizing
Protect, energy consumption is low, the technical bottleneck of longitudinal magnetic flux high-efficiency heating can not be utilized by solving large gear ring.
2nd, it is more original stronger by tooth induction heating method adaptability, without remaking sensing after conversion tooth profile parameter
Device, the applicable different size of this mode of heating, size, the ring gear of height and positioning action than it is existing by tooth sensing heating more
Simply.
3rd, preheating coil is added, the characteristics of large-scale wind electricity ring gear tooth is higher is adapted to, efficiency is higher than to quench by tooth.
Liquid injection cooling once can be carried out to the gear teeth of the whole facewidth when the 4th, cooling down, it is cold that contrast heats continuous hydrojet by tooth
But, the residual stress in wall thickness direction is reduced.
Brief description of the drawings
The a quarter that Fig. 1 is the present invention cuts open three-dimensional view；
Fig. 2 is motor coupling portion of the present invention point 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 drawings.
Drawing reference numeral：1- supporting tables, 2- motors, 3- motor cabinets, 4- terminal pads, 5- supporting turntables, 6- hydraulic cylinders, 7- magnetic conductions
In body, 8- power-up plate, 9- induction coils, 10- coolers, 11- wind-powered electricity generations ring gear, 9-1 induction coils bottom, 9-2 induction coils
Portion, 9-3 induction coils top, 12- supporting legs, 13- connecting plate A, 14- connecting plate B, 15- connecting plate C, 16- connecting plates D, 17-
Frame.
Embodiment
In the simplified schematic diagram of the invention shown in Fig. 1 to Fig. 6, supporting table 1 is made up of circular flat board and supporting leg 12,
The top of supporting leg is provided with circular flat board.Motor cabinet 3 is provided with the bottom of the circular flat board of supporting table, motor cabinet is fixed with ground
Connection.The bottom of motor cabinet is provided with motor 2, and the output shaft of motor extends to the top of motor cabinet, and the middle part of terminal pad is provided with axle
The output shaft of Xiang Kong, axial hole and motor is connected by key.The top of terminal pad 4 is provided with supporting turntable 5.In supporting table and supporting
The corresponding position of rotating disk, is equipped with an annular groove, and some balls, ball and motor output shaft are provided with annular groove
Connect.In the upper surface of supporting turntable, the hydraulic cylinder 6 provided with circumferential arrangement, the fixing end of hydraulic cylinder is located at the upper of supporting turntable
Surface, the upper end of hydraulic cylinder push rod is flexibly connected with wind-powered electricity generation ring gear 11.Two groups of induction coils are socketed on wind-powered electricity generation ring gear
9, every group of induction coil is made up of preheating induction coil and processing induction coil.Two groups of induction coils are in wind-powered electricity generation ring gear
The heart is symmetrical.The distance between the induction coil part that is placed in inside wind-powered electricity generation ring gear and inwall of wind-powered electricity generation ring gear, less than being placed in
The distance between outer wall of induction coil part and wind-powered electricity generation ring gear outside wind-powered electricity generation ring gear.Preheat induction coil and processing is felt
Answer the structure of coil identical, including 9-2, induction coil bottom 9-1, connecting plate in the middle part of induction coil top 9-3, induction coil
A13, connecting plate B14, connecting plate C15 and connecting plate D16, induction coil top, induction coil bottom are hollow housing, sensing
Coil bottom is U-shaped, through hole is equipped with the two ends of induction coil bottom, the end both sides of induction coil bottom are respectively equipped with
Connecting plate A.It is I-shaped in the middle part of induction coil, is respectively equipped with the two ends on induction coil top in the middle part of induction coil, the line of induction
Provided with two cooling water through holes in circle middle part, the both sides of the lower end in the middle part of induction coil are respectively equipped with connecting plate B.In induction coil
The both sides of the upper end in portion are respectively equipped with connecting plate C.Upper end in the middle part of each induction coil is respectively equipped with induction coil top, sense
The end both sides on coil top are answered to be respectively equipped with connecting plate D.The upper end on induction coil top curves inwardly, induction coil top
Top and bottom are equipped with through hole.In the middle part of induction coil top, induction coil and induction coil bottom, passes through connecting plate A, connection
Plate B, connecting plate C and connecting plate D bolt connections.A power-up plate 8 is respectively fixedly connected with the upper end on each induction coil top.
Magnetic conductor 7 is socketed on being placed in the middle part of each induction coil inside wind-powered electricity generation ring gear.It is provided with each processing induction coil side
Cooler 10, processing induction coil is placed between preheating induction coil and cooler.Cooler is hollow housing structure, lower end one
Side is provided with row's cooling water hole, and induction coil is fixed in frame 17 with cooler by insulated bolt.The section of frame is in inverted L
Type, the bottom of frame is placed on horizontal plane.
Claims (1)
1. a kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device, mainly including supporting table, motor, motor cabinet, terminal pad,
Supporting turntable, hydraulic cylinder, magnetic conductor, power-up plate, induction coil, cooler, wind-powered electricity generation ring gear, induction coil bottom, the line of induction
Enclose middle part, induction coil top, supporting leg, connecting plate A, connecting plate B, connecting plate C, connecting plate D and frame, it is characterised in that：
Supporting table is made up of circular flat board and supporting leg, circular flat board is provided with the top of supporting leg, in the circular flat board of supporting table
Bottom is provided with motor cabinet, and motor cabinet is fixedly connected with ground, and the bottom of motor cabinet is provided with motor, and the output shaft of motor extends to electricity
The top of support, the middle part of terminal pad is provided with axial hole, and the output shaft of axial hole and motor is connected by key, the top of terminal pad
Provided with supporting turntable, in supporting table and the corresponding position of supporting turntable, an annular groove is equipped with, is set in annular groove
There is ball, ball connects with motor output shaft, in the upper surface of supporting turntable, the hydraulic cylinder provided with circumferential arrangement, hydraulic cylinder
Fixing end is located at the upper surface of supporting turntable, and the upper end of hydraulic cylinder push rod is flexibly connected with wind-powered electricity generation ring gear, in wind-powered electricity generation internal tooth
Two groups of induction coils are socketed on circle, every group of induction coil is made up of preheating induction coil and processing induction coil, two groups of lines of induction
Enclose the Central Symmetry on wind-powered electricity generation ring gear, the induction coil part being placed in inside wind-powered electricity generation ring gear and the inwall of wind-powered electricity generation ring gear
The distance between, less than the distance between the induction coil part being placed in outside wind-powered electricity generation ring gear and outer wall of wind-powered electricity generation ring gear,
A power-up plate, each line of induction being placed in inside wind-powered electricity generation ring gear are respectively fixedly connected with the upper end on each induction coil top
Circle is socketed magnetic conductor on middle part, and cooler is provided with each processing induction coil side, and processing induction coil is placed in pre- thermoinduction
Between coil and cooler, cooler is hollow housing structure, and lower end side is provided with row's cooling water hole, induction coil and cooling
Device is fixed in frame by insulated bolt, and the section of frame is in inverted L shape, and the bottom of frame is placed on horizontal plane, pre- thermoinduction
Coil is identical with processing induction coil configuration, including induction coil top, induction coil middle part, induction coil bottom, company
Fishplate bar A, connecting plate B, connecting plate C and connecting plate D, induction coil top, induction coil bottom are hollow housing, induction coil
Bottom is U-shaped, and through hole is equipped with the two ends of induction coil bottom, and the end both sides of induction coil bottom are respectively equipped with connection
It is I-shaped in the middle part of plate A, induction coil, is respectively equipped with the two ends on induction coil top in the middle part of induction coil, in induction coil
Provided with two cooling water through holes in portion, the both sides of the lower end in the middle part of induction coil are respectively equipped with the middle part of connecting plate B, induction coil
The both sides of upper end are respectively equipped with connecting plate C, and the upper end in the middle part of each induction coil is respectively equipped with induction coil top, the line of induction
The end both sides on circle top are respectively equipped with connecting plate D, and the upper end on induction coil top curves inwardly, the upper end on induction coil top
Be equipped with through hole with lower end, 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 connections.
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 CN105861791A (en) | 2016-08-17 |
| CN105861791B true CN105861791B (en) | 2017-10-20 |
Family
ID=56635084
Family Applications (1)
| 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)
| Country | Link |
|---|---|
| CN (1) | CN105861791B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2808163B1 (en) * | 2000-04-19 | 2002-11-08 | Celes | TRANSVERSE FLOW INDUCTION HEATING DEVICE WITH MAGNETIC CIRCUIT OF VARIABLE WIDTH |
| CN2934262Y (en) * | 2006-06-29 | 2007-08-15 | 上海恒精机电设备有限公司 | Intermediate frequency quenching inductor for large-scale internal tooth loop |
| CN201265030Y (en) * | 2008-10-08 | 2009-07-01 | 荆州恒隆汽车零部件制造有限公司 | Rack gear scanning type quenching inductor |
| CN101509063B (en) * | 2008-12-24 | 2011-01-26 | 中信重工机械股份有限公司 | Process for quenching hard-tooth surface canine tooth loop intermediate-frequency edge roller seating space |
| CN102766751B (en) * | 2012-07-14 | 2014-05-07 | 安徽省宣城市乾坤回转支承有限公司 | Process method for quenching rotary support gear |
| CN203048984U (en) * | 2012-12-11 | 2013-07-10 | 上海赫丁格热处理有限公司 | Quenching inductor of large-modulus wind turbine gear ring |
| KR101477504B1 (en) * | 2013-01-04 | 2014-12-31 | 제이에스메캐닉(주) | High freguency induction heat teratment for inner and outer race of ring gear |
| CN104673986B (en) * | 2015-03-20 | 2017-03-15 | 十堰高周波科工贸有限公司 | Middle gear planer-type double frequency induction lathe |
-
2016
- 2016-05-18 CN CN201610329273.XA patent/CN105861791B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105861791A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105861791B (en) | A kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device | |
| CN108223566A (en) | It is a kind of without the big cone angle double-row conical pivoting support of soft band | |
| CN108913848B (en) | Commercial vehicle double-row tapered roller bearing outer ring integral type quenching unit | |
| CN208964980U (en) | Ring flange internal spline impewdance matching inductor | |
| CN108220581A (en) | It is a kind of without soft band four-point contact ball pivoting support bearing | |
| CN110607426A (en) | Half shaft part quenching inductor and quenching method | |
| CN201447491U (en) | Quenching inducer of stepped shafts | |
| CN207795848U (en) | It is a kind of without the big cone angle double-row conical pivoting support of soft band | |
| CN109468436A (en) | A kind of commercial vehicle double-row tapered roller bearing outer ring and integral type process for quenching | |
| CN112084603B (en) | Method for acquiring quenching and heating technological parameters of heavy-load universal shaft fork head | |
| CN205329121U (en) | A quenching inductor for big moment of torsion drive axle of low -speed | |
| CN101316064B (en) | Method for processing engine base sleeve of generator | |
| CN208562471U (en) | Large scale ring gear while heat induced quenching inducer | |
| CN204369931U (en) | A kind of long shaft part quenching frock | |
| CN104561471A (en) | Heat treatment production line | |
| CN209702799U (en) | A kind of interior rollaway nest quenching inducer of small-sized pivoting support bearing outer ring | |
| CN204874660U (en) | Large -scale forged steel supporting roll roll neck cooling protection device | |
| CN204401053U (en) | Heat-treatment production line | |
| CN207793360U (en) | It is a kind of without soft band four-point contact ball pivoting support bearing | |
| CN207276662U (en) | A kind of thin part annealing device | |
| CN207795849U (en) | It is a kind of without soft band three-row cylinder roller pivoting support bearing | |
| CN207619479U (en) | A kind of large ring sensing heating annealing device | |
| CN207276672U (en) | A kind of sensing device for self-aligning roller bearing inner ring sensing heating | |
| CN206418163U (en) | One kind is used for hub spindle quenching inducer | |
| CN206738402U (en) | It is a kind of to be used for the cooling shaft cover with interior heating hollow shaft equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200707 Address after: 2037, floor 2, maker building, 3S innovation and entrepreneurship community, No. 888, Hengyuan West Road, Baoding City, Hebei Province, 071000 Patentee after: Hebei yinzhitong Information Technology Co.,Ltd. Address before: Hebei Street West Harbor area, 066004 Hebei city of Qinhuangdao province No. 438 Patentee before: Yanshan University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201211 Address after: 225600 Jiangsu Province Yangzhou Gaoyou Economic Development Zone Dongting Lake Road Science and Technology Venture Center, Room 210, 2nd floor Patentee after: JIANGSU BOSIWEI INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 071000 2037, second floor, maker building, 3S entrepreneurship and innovation community, 888 Hengyuan West Road, Baoding City, Hebei Province Patentee before: Hebei yinzhitong Information Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210119 Address after: 224600 south of Guanhe 1st Road, Xiangshui Industrial Economic Zone, Yancheng City, Jiangsu Province Patentee after: JIANGSU TIANNENG MARINE HEAVY INDUSTRY Co.,Ltd. Address before: 225600 Jiangsu Province Yangzhou Gaoyou Economic Development Zone Dongting Lake Road Science and Technology Venture Center, Room 210, 2nd floor Patentee before: JIANGSU BOSIWEI INTELLECTUAL PROPERTY OPERATION Co.,Ltd. |
|
| TR01 | Transfer of patent right |