CN205218466U - Hot puller of electromagnetic eddy currents - Google Patents
Hot puller of electromagnetic eddy currents Download PDFInfo
- Publication number
- CN205218466U CN205218466U CN201521109088.7U CN201521109088U CN205218466U CN 205218466 U CN205218466 U CN 205218466U CN 201521109088 U CN201521109088 U CN 201521109088U CN 205218466 U CN205218466 U CN 205218466U
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- electromagnetic eddy
- solenoid
- eddy currents
- temperature sensor
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a hot puller of electromagnetic eddy currents, is including twining the solenoid on the axle sleeve of shaft coupling, and solenoid is connected with the induction heater electricity, has arranged temperature sensor on the axle sleeve, and temperature sensor is connected with induction heater's main control system, and the dismantlement support that has hydraulic jack cooperatees with the axle sleeve. The utility model provides a hot puller of electromagnetic eddy currents can solve current device and destroy fitting surface and part problem easily, has adopted magnetizer electromagnetic eddy currents thermal technology to be applied to power station machine parts's assembly process, realizes carrying out flawless dismouting to the machine parts axle sleeve, and application prospect is more wide.
Description
Technical field
The utility model relates to and carries out zero defect dismounting field to component of machine axle sleeve, the hot stripping attachment of especially a kind of electromagnetic eddy.
Background technology
Jinghong Hydroelectric Power Project hydraulic vertical ship lift is a kind of ship lift of novel structure, it is comparatively complicated that its 16 floating drums promote synchronous system architecture design, synchronizing shaft is critical component, there is certain machining gap in the synchronous driven off by shaft crown gear coupling of former design, the requirement of the anti-inclination of ship reception chamber can not be met, pass through experimental study, adopt the gapless mechanical transfer form of diaphragm coupling, this technological transformation requires former crown gear coupling to disassemble, change the axle sleeve structure installing diaphragm coupling, the assembling of shaft coupling axle sleeve mechanical transmission component and reel shaft extension is large interference fit, to reach the transmitting torque of regulation.The assembling of interference fit, usual employing hot charging formula formula, be arrange large-scale baking oven, heating oil tank at the construction field (site), assemble with speed faster, heat dismounting, then adopt direct hot baking components surface, it is made to expand loosening, uneven or surperficial overheated because heating, generally can destroy fitting surface and part when ejecting, actual in Hydropower Station Construction technology, seldom adopt the mode that hot charging is joined or heat is dismantled at the scene.
Summary of the invention
Technical problem to be solved in the utility model is to provide the hot stripping attachment of a kind of electromagnetic eddy, existing apparatus can be solved and easily destroy fitting surface and part problem, have employed the assembly technology that magnetic conductor electromagnetic eddy thermal technology is applied to power station component of machine, realize carrying out zero defect dismounting to component of machine axle sleeve, application prospect is more wide.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: the hot stripping attachment of a kind of electromagnetic eddy, comprise the solenoid be wrapped on the axle sleeve of shaft coupling, solenoid is electrically connected with induction heater, axle sleeve is furnished with temperature sensor, temperature sensor is connected with the main control system of induction heater, and the removal bracket with hydraulic jack matches with axle sleeve.
The solenoid number of turns be wrapped on the axle sleeve of shaft coupling is 12-20 circle.
In removal bracket, circular slab is provided with multiple installation screw rod along the circumferential direction, installs screw rod and matches with the installing hole on axle sleeve.
Solenoid overcoat has high-temperature insulation material layer.
The hot stripping attachment of the electromagnetic eddy that the utility model provides, existing apparatus can be solved and easily destroy fitting surface and part problem, have employed the assembly technology that magnetic conductor electromagnetic eddy thermal technology is applied to power station component of machine, realize carrying out zero defect dismounting to component of machine axle sleeve, application prospect is more wide, it is simple to operation that hot charging joins component of machine, work efficiency is high, decreases the labour intensity of workmen, decreases the input of process unit, improve assembly quality, can reuse.
The utility model is applied to the dismounting of Jinghong Hydroelectric Power Project hydraulic vertical ship lift synchronizing shaft technological transformation project machinery, and heat dismounting 40 cover crown gear coupling, hot charging joins the axle sleeve of 40 cover diaphragm couplings.Simple to operate, efficiency is high, within 15 working days, complete construction task.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, the hot stripping attachment of a kind of electromagnetic eddy, comprise the solenoid 1 be wrapped on the axle sleeve 2 of shaft coupling, solenoid 1 is electrically connected with induction heater 5, axle sleeve 2 is furnished with temperature sensor, temperature sensor is connected with the main control system of induction heater 5, and the removal bracket 4 with hydraulic jack 3 matches with axle sleeve 2.
Solenoid 1 number of turns be wrapped on the axle sleeve 2 of shaft coupling is 12-20 circle.
In removal bracket 4, circular slab 4-1 is provided with multiple installation screw rod 4-2 along the circumferential direction, installs screw rod 4-2 and matches with the installing hole on axle sleeve 2.
Solenoid 1 overcoat has high-temperature insulation material layer.
Induction heater 5 adopts TBBHT160US-430*380, power 40 kilowatts, specified input current: 60 peaces; Output-current rating: 95 peaces; Employing temperature sensor controls: 300 DEG C (maximum temperature);
The wire diameter of solenoid 1: 25 square millimeters.
During the axle sleeve 2 of dismounting couplers, by 100t hydraulic jack 3 and removal bracket 4, be connected with by the shaft coupling dismantled, at shaft coupling outer surface place mat one deck newspaper, at newspaper upper berth asbestos insulation protective layer, then flexible electrical magnetic coil 1 is wound around on the protection layer, be wound around 15 turn coil, computer heating control temperature 198 DEG C and induction heater 5 output current frequency setting value 20Hz, eddy current effect is produced the strongest at shaft coupling, the parallel placement of unnecessary coil, forbid to be coiled into circle on the ground, through calculating, shaft coupling inside produces eddy current heat, temperature controls at about 198 DEG C, the sufficient expanded by heating through about ten minutes, the matched in clearance of 0.11mm is increased to by 0.144mm interference fit with spool shaft fit tolerance, utilize hydraulic jack, shaft coupling is loosened, screw rod is utilized to extract shaft coupling, dismounting coupling completes, axle surface and coupler component part not damaged, reusable.
The utility model also can be used for assembling diaphragm coupling axle sleeve, during assembling, after reel shaft extension surface clean is clean, utilize the process of metallographic paper, axle surface smoothness and cleannes are made to reach the requirement of installing axle sleeve, in spool shaft and axle sleeve to be installed, radial mark installs position line, at sleeve outer surface successively place mat newspaper and heat-barrier coating, be wound around 17 circle solenoids 1, bucket tool is utilized to be sling according to assembling orientation by axle sleeve, in horizontal confined state, start induction heater 5, solenoid 1 is made to produce eddy current heat at axle sleeve 2, temperature sensor controls axle sleeve temperature about 200 DEG C, keep 15 minutes, use T-shaped measuring stick, accurate measurement sleeve diameter, internal diameter size deviation is greater than reel diameter of shaft 0.32mm, in the technique screw of reel shaft extension end, arrange a screw rod, spiro rod length is greater than sleeve length, measurement sleeve diameter meets fitted position requirement, factory building maintenance suspension hook is used to winch to reel axle head, utilize screw rod to adjust axle sleeve to locate by position line at axle head, axle sleeve is pushed reel shaft extension design attitude gently, boss surfaces temperature is down to room temperature, the heat-barrier coating of boss surfaces of decorporating, the fineness of cleaning boss surfaces and cleannes, after having assembled, check that boss surfaces meets assembling diaphragm coupling condition.
Remove and assembling sleeve, simple to operate, efficiency is high.Better apply in the Automatic manual transmission project of power station.
Claims (4)
1. the hot stripping attachment of electromagnetic eddy, it is characterized in that: comprise be wrapped in shaft coupling axle sleeve (2) on solenoid (1), solenoid (1) is electrically connected with induction heater (5), (2) are furnished with temperature sensor with axle sleeve, temperature sensor is connected with the main control system of induction heater (5), and the removal bracket (4) with hydraulic jack (3) matches with axle sleeve (2).
2. the hot stripping attachment of electromagnetic eddy according to claim 1, is characterized in that: solenoid (1) number of turns be wrapped on the axle sleeve (2) of shaft coupling is 12-20 circle.
3. the hot stripping attachment of electromagnetic eddy according to claim 1, it is characterized in that: in removal bracket (4), circular slab (4-1) is provided with multiple installation screw rod (4-2) along the circumferential direction, install screw rod (4-2) and match with the installing hole on axle sleeve (2).
4. the hot stripping attachment of electromagnetic eddy according to claim 1, is characterized in that: solenoid (1) overcoat has high-temperature insulation material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521109088.7U CN205218466U (en) | 2015-12-29 | 2015-12-29 | Hot puller of electromagnetic eddy currents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521109088.7U CN205218466U (en) | 2015-12-29 | 2015-12-29 | Hot puller of electromagnetic eddy currents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205218466U true CN205218466U (en) | 2016-05-11 |
Family
ID=55893560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521109088.7U Expired - Fee Related CN205218466U (en) | 2015-12-29 | 2015-12-29 | Hot puller of electromagnetic eddy currents |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205218466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673716A (en) * | 2016-03-07 | 2016-06-15 | 中信重工机械股份有限公司 | Assembly method for winding drum and spindle of large ship lift |
| CN107214471A (en) * | 2017-06-30 | 2017-09-29 | 天津市中重科技工程有限公司 | It is large-scale to link the quick method for dismounting of shaft coupling without key |
-
2015
- 2015-12-29 CN CN201521109088.7U patent/CN205218466U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673716A (en) * | 2016-03-07 | 2016-06-15 | 中信重工机械股份有限公司 | Assembly method for winding drum and spindle of large ship lift |
| CN107214471A (en) * | 2017-06-30 | 2017-09-29 | 天津市中重科技工程有限公司 | It is large-scale to link the quick method for dismounting of shaft coupling without key |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161229 |