CN206364686U - A kind of power and transmission device for being used in thermal power plant's air preheater - Google Patents
A kind of power and transmission device for being used in thermal power plant's air preheater Download PDFInfo
- Publication number
- CN206364686U CN206364686U CN201621470938.0U CN201621470938U CN206364686U CN 206364686 U CN206364686 U CN 206364686U CN 201621470938 U CN201621470938 U CN 201621470938U CN 206364686 U CN206364686 U CN 206364686U
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- CN
- China
- Prior art keywords
- air preheater
- power
- transmission device
- motor
- power plant
- 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.)
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model is related to air preheater device field, specially a kind of power and transmission device for being used in thermal power plant's air preheater, including permanent magnet mechanism, wherein, permanent magnet mechanism includes independence and the conductor disc and permanent magnetic disk that are oppositely arranged, conductor disc is connected on power transmission shaft, and permanent magnetic disk is connected on bearing axle；Also include the primary motor that loaded work piece is driven by power transmission shaft and permanent magnet mechanism, and the standby motor of loaded work piece can be driven in primary electrical fault.The utility model, which is intended to provide, a kind of need not stop power and transmission device that air preheater can be achieved with maintenance or replacing to motor.
Description
Technical field
The utility model is related to air preheater device field, specially a kind of power for being used in thermal power plant's air preheater and
Transmission device.
Background technology
Air preheater, abbreviation air preheater is the Important Auxiliary equipment of power plant boiler, is usually added using the heat of flue gas
The heat-exchange apparatus of air needed for heat burning.
Conductor rotor and p-m rotor are included using Permanent Magnet Clutch in the prior art, conductor rotor is connected to motor reel
On, p-m rotor is connected in load rotating shaft, is realized by air gap between conductor rotor and p-m rotor by motor to bearing
The device of the torque transmission of load, realizes the kind of drive without mechanical connection between motor and load.But it is due to existing permanent magnetism
P-m rotor and conductor rotor in clutch are all assembled together, and are broken down in air preheater motor and need to change electricity
, it is necessary to which conductor rotor stops operating with p-m rotor when machine, conductor rotor could be separated with p-m rotor, so it is right
Motor is changed, so must just stop air preheater, now boiler cannot normally be run.Accordingly, it would be desirable to which one kind can not
Stop the device that air preheater achieves that maintenance or the replacing of motor.
Utility model content
The utility model, which is intended to provide, a kind of need not stop the power that air preheater can be achieved with maintenance or replacing to motor
And transmission device.
The utility model provides base case：A kind of power and transmission device for being used in thermal power plant's air preheater, including
Permanent magnet mechanism, wherein, permanent magnet mechanism includes independence and the conductor disc and permanent magnetic disk that are oppositely arranged, and conductor disc is connected to power transmission shaft
On, permanent magnetic disk is connected on bearing axle；Also include the primary motor that loaded work piece is driven by power transmission shaft and permanent magnet mechanism, and
The standby motor of loaded work piece can be driven in primary electrical fault.
The operation principle of base case：During normal work, primary electric motor starting, the conductor disc in permanent magnet mechanism is rotated, and is cut
The magnetic line of force is cut, vortex is produced, the counter magnetic field that vortex is produced then drives permanent magnetic disk to rotate, so as to be rotated with dynamic load, air preheater fortune
OK；When primary motor breaks down, primary motor is stopped transport, and the primary motor of stoppage in transit will be moved away and overhauled, with this
Start standby motor simultaneously, load is then continued to run with the driving of standby motor；, will be primary after the completion for the treatment of primary electric machines test
Motor is moved to initial position, stops standby motor and is again turned on primary motor, and now conductor disc is again in the driving of primary motor
It is lower to rotate.
The beneficial effect of base case is：The independent permanent magnetic disk of setting and conductor disc realize the company between motor and load
Connect, can be to primary realizing air preheater in the case of not out of service using the independence between permanent magnetic disk and conductor disc
Motor is detected or replacement operation, and then ensure that the safe operation of boiler.
Preferred scheme one：Based on scheme it is preferred, standby motor can be coaxially connected with bearing axle, primary motor it is defeated
Shaft is coaxially connected with power transmission shaft.Beneficial effect：When primary motor breaks down, standby motor can be directly coaxial with bearing axle
Connection, standby motor can directly band dynamic load rotation, therefore ensure that the continuous work of air preheater.
Preferred scheme two：Based on scheme it is preferred, load as reductor.Beneficial effect：Usually used primary electricity
The rotating speed of machine and standby motor operationally needs place in 700-1400r/m or so, and in order to ensure the heat exchange efficiency of air preheater
In low-speed running state, therefore from reductor as load, using the cooperation of reductor and primary motor or standby motor come
Prevent centre speed discrepancy, it is ensured that the normal operation of air preheater.
Preferred scheme three：Based on scheme it is preferred, conductor disc is fixed on power transmission shaft by wheel hub and locking plate, forever
Disk is fixed on bearing axle by wheel hub and locking plate.Beneficial effect：By tightening the screw on locking plate, in locking plate
Huge enclasping force is produced between inner ring and axle, between the outer shroud of locking plate and wheel hub, to realize between conductor disc and power transmission shaft
Keyless joint, it is ensured that permanent magnetic disk and the stabilization of conductor disc connection.
Preferred scheme four：Based on scheme it is preferred, primary motor and/or standby motor are fixed on moveable installation
On seat.Beneficial effect：There is provided after moveable mounting seat, when needing to move primary motor, directly passing through
Mobile mounting seat can realize the movement of primary motor, easy to operate.
Preferred scheme five：Preferably five it is preferred, mounting seat include firm banking, be slidably arranged in firm banking
On Mobile Slide and governor motion for controlling Mobile Slide to be slided on firm banking.Beneficial effect：When primary motor
During failure, the movement of Mobile Slide is controlled using governor motion, so that the movement of primary motor is realized, it is simple to operate.
Preferred scheme six：Preferably six it is preferred, governor motion include screw rod, one end of screw rod and Mobile Slide
Screw thread coordinates, and the other end of screw rod, which is fixed with clamping block, firm banking, buckling groove, and clamping block is rotatably connected on buckling groove
It is interior.Beneficial effect：The movement of Mobile Slide is realized using the rotation of screw rod, simple to operate, clamping block is rotatably connected on buckling groove
It is interior, screw rod is defined, so as to ensure that the smooth movement of slide unit.
Preferred scheme seven：Preferably seven it is preferred, screw rod be provided with handwheel.Beneficial effect：When rotating screw rod,
Only need to rotate handwheel, compare and directly rotate screw rod, rotate handwheel more convenient.
Preferred scheme eight：Preferably five it is preferred, four angles of Mobile Slide are provided with hold-down bolt.Beneficial effect
Really：Set after hold-down bolt, realize positioning of the Mobile Slide on firm banking using hold-down bolt, it is ensured that Mobile Slide is in master
Remained during being worked with motor static, it is to avoid occur sliding influenceing the work of primary motor.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the power and drive arrangement embodiment for being used in thermal power plant's air preheater of the utility model
Figure；
Fig. 2 is permanent magnetic disk and the schematic diagram of conductor disc in Fig. 1；
Fig. 3 is the schematic diagram of firm banking；
Fig. 4 is the schematic diagram of mobile mounting seat；
Fig. 5 is the schematic diagram of firm banking and Mobile Slide；
Fig. 6 is the connection diagram of primary motor, standby motor with permanent magnet mechanism in Fig. 1.
Embodiment
The utility model is described in further detail below by embodiment：
Reference in Figure of description includes：Gap 15, master between permanent magnetic disk 11, conductor disc 13, power transmission shaft 131, disk
With motor 20, standby motor 201, firm banking 21, chute 211, Mobile Slide 23, slide unit 231, screw rod 251, clamping block 253,
Handwheel 25, alignment pin 27, reductor 30, travelling gear 40, primary gear 41, equipment gear 43.
The power and transmission device that are used in thermal power plant's air preheater as shown in Figure 1, including permanent magnetic disk 11, the and of conductor disc 13
The moveable mounting seat of primary motor 20 is installed, as shown in Figure 2 and Figure 6, the permanent magnetic disk 11 on the left side passes through wheel hub and locking
Disk is connected on reductor 30, and specific connected mode is, after permanent magnetic disk 11 is enclosed on the axle of reductor 30, and locking plate is enclosed on forever again
On disk 11, then wheel hub is enclosed on locking plate, tightened after the screw on locking plate, the inner ring of locking plate is produced to conductor disc
Enclasping force, is connected so as to realize in stabilization of the permanent magnetic disk on axle, similarly, and the conductor disc 13 on the right is connected by wheel hub and locking plate
On the output shaft for being connected on primary motor 20, there is gap 15 between disk between conductor disc 13 and permanent magnetic disk 11；
As shown in figs. 4 and 5, mobile mounting seat includes firm banking 21, Mobile Slide 23 and governor motion, such as Fig. 3 institutes
The firm banking 21 shown sets chute 211, and the left side of firm banking 21 is provided with alignment pin 27；The lower surface of Mobile Slide 23 is set
There is slide unit 231, slide unit 231 is located in chute 211；The left end of screw rod 251 is through firm banking 21 and puts in slide unit 231, spiral shell
The right-hand member of bar 251 is connected with clamping block 253, and clamping block 253 rotates on connection, screw rod 521 in firm banking and is also associated with hand
Wheel 25.
During installation, firm banking 21 is fixed on base at the scene by foundation bolt, primary motor 20 is fixed on movement
On slide unit 23, on the input shaft that permanent magnetic disk 11 is arranged on to reductor 30, conductor disc 13 is arranged on primary electricity by power transmission shaft 131
The input shaft end of machine 20, primary motor 20 and power transmission shaft 131 are coaxially connected；Handwheel 25 is rotated clockwise, Mobile Slide 23 is slided
To the left end of chute 211, Mobile Slide 23 is fixed alignment pin 27, and locks four on Mobile Slide 23 compression spiral shells
Bolt；During work, primary motor 20 is rotated, and conductor disc 13 is rotated, and produces vortex, and permanent magnetic disk 11 is rotated, and reductor is rotated, air preheater
Operation；When needing to overhaul primary motor 20, by standby motor 201 and reductor 30 it is coaxially connected after, start
Standby motor 201, closes primary motor 20；Unscrew hold-down bolt and unclamp alignment pin 27, rotate counterclockwise handwheel 25, it is mobile to slide
Platform 23 is slided to the right, skids off operating position, until the right-hand member of firm banking 21, now primary motor 20 is overhauled or more
Change；After the completion of maintenance or replacing, Mobile Slide 23 is slided on the operating position of fixed left end again, after being fixed,
Stop transport standby motor 201, start primary motor 20, so as to solve the electrical fault of air preheater emerged in operation.
Above-described is only that the known general knowledge such as concrete structure and characteristic is herein in embodiment of the present utility model, scheme
Excessive description is not made.It should be pointed out that for those skilled in the art, not departing from the premise of the utility model structure
Under, several modifications and improvements can also be made, these should also be considered as protection domain of the present utility model, and these are all without influence
Effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
It is defined, embodiment in specification etc. records the content that can be used for explaining claim.
Claims (9)
1. a kind of power and transmission device for being used in thermal power plant's air preheater, including permanent magnet mechanism, it is characterised in that：The permanent magnetism
Mechanism includes independence and the conductor disc and permanent magnetic disk that are oppositely arranged, and the conductor disc is connected on power transmission shaft, and the permanent magnetic disk connects
It is connected on bearing axle；Also include the primary motor that loaded work piece is driven by the power transmission shaft and permanent magnet mechanism, and described
The standby motor of loaded work piece can be driven during primary electrical fault.
2. the power and transmission device according to claim 1 for being used in thermal power plant's air preheater, it is characterised in that：It is described standby
Can be coaxially connected with the bearing axle with motor, the output shaft and the power transmission shaft of the primary motor are coaxially connected.
3. the power and transmission device according to claim 1 for being used in thermal power plant's air preheater, it is characterised in that：It is described negative
Carry as reductor.
4. the power and transmission device according to claim 1 for being used in thermal power plant's air preheater, it is characterised in that：It is described to lead
Body disc is fixed on the power transmission shaft by wheel hub and locking plate, and the permanent magnetic disk is fixed on described negative by wheel hub and locking plate
Carry on axle.
5. the power and transmission device according to claim 1 for being used in thermal power plant's air preheater, it is characterised in that：The master
It is fixed on motor and/or standby motor in moveable mounting seat.
6. the power and transmission device according to claim 5 for being used in thermal power plant's air preheater, it is characterised in that：The peace
Dress seat includes firm banking, the Mobile Slide being slidably arranged on the firm banking and for controlling the Mobile Slide in institute
State the governor motion slided on firm banking.
7. the power and transmission device according to claim 6 for being used in thermal power plant's air preheater, it is characterised in that：It is described to adjust
Saving mechanism includes screw rod, and one end of the screw rod coordinates with the Mobile Slide screw thread, and the other end of the screw rod is fixed with card
Connecing has buckling groove on block, the firm banking, the clamping block is rotatably connected in the buckling groove.
8. the power and transmission device according to claim 7 for being used in thermal power plant's air preheater, it is characterised in that：The spiral shell
Bar is provided with handwheel.
9. the power and transmission device according to claim 6 for being used in thermal power plant's air preheater, it is characterised in that：It is described to move
Four angles of dynamic slide unit are provided with hold-down bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470938.0U CN206364686U (en) | 2016-12-30 | 2016-12-30 | A kind of power and transmission device for being used in thermal power plant's air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470938.0U CN206364686U (en) | 2016-12-30 | 2016-12-30 | A kind of power and transmission device for being used in thermal power plant's air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364686U true CN206364686U (en) | 2017-07-28 |
Family
ID=59378335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621470938.0U Expired - Fee Related CN206364686U (en) | 2016-12-30 | 2016-12-30 | A kind of power and transmission device for being used in thermal power plant's air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394993A (en) * | 2017-09-21 | 2017-11-24 | 安徽沃弗电力科技有限公司 | A kind of cylinder automatic clutch-type coupling device |
-
2016
- 2016-12-30 CN CN201621470938.0U patent/CN206364686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394993A (en) * | 2017-09-21 | 2017-11-24 | 安徽沃弗电力科技有限公司 | A kind of cylinder automatic clutch-type coupling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170728 Termination date: 20211230 |