CN110439632A - One kind drawing increasing unification retrofitted unit full-automatic on-off device and application method - Google Patents
One kind drawing increasing unification retrofitted unit full-automatic on-off device and application method Download PDFInfo
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- CN110439632A CN110439632A CN201910837245.2A CN201910837245A CN110439632A CN 110439632 A CN110439632 A CN 110439632A CN 201910837245 A CN201910837245 A CN 201910837245A CN 110439632 A CN110439632 A CN 110439632A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000001360 synchronised effect Effects 0.000 claims abstract description 27
- 230000008878 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 210000004899 c-terminal region Anatomy 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/08—Adaptations for driving, or combinations with, pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/12—Combinations with mechanical gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/34—Turning or inching gear
- F01D25/36—Turning or inching gear using electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
Abstract
The present invention relates to one kind to draw increasing unification retrofitted unit full-automatic on-off device and application method, one kind drawing increasing unification retrofitted unit full-automatic on-off device, including asynchronous machine adapter flange, insulating coupling, shell, export connecting shaft, 6th bearing, frame body three, 5th bearing, position-detection sensor, synchronous automatic clutch, transmission shaft, fourth bearing, oil outlet, gear wheel, 3rd bearing, jiggering, second bearing, input connecting shaft, frame body two, pinion gear, oil inlet, frame body one, first bearing, by the unit application air-introduced machine, in steam-turbine unit, prevention and solution steam turbine and the asynchronous machine galvano-cautery to being likely to occur after the unit investment bank simultaneously, the potential problems such as rotor uneven heating bending, integrated level is high, function is more complete, bearing capacity is high, it can be flexibly applied to high speed, the operating condition of heavy duty, it is more suitable Unify retrofitted unit for thermal power plant air-introduced machine and desulphurization devices.
Description
Technical field
The present invention relates to thermal power plant air-introduced machines and desulphurization devices to unify retrofitted unit, and specially one kind is drawn increasing and closed
One retrofitted unit full-automatic on-off device and application method.
Background technique
By national requirements for environmental protection, synchronized construction desulfurization and denitrification apparatus are answered in newly-built thermal power plant, flue gas by desulfurization and
Atmosphere is discharged into after denitrification apparatus.Two 1000MW grades of ultra-supercritical coal-fired units, engineering synchronism installation are had for 2010 in certain power plant
Desulphurization and denitration device, and air-introduced machine and booster fan is respectively set, the resistance of desulphurization system is overcome by the pressure head of booster fan.
In recent years the relevant criterion of industry environmental protection discharge is continuously improved in country, and the plan of certain power plant carries out environmental protection and energy conservation synthesis changes
It makes, on the one hand need to add environmental protection facility, the increase of environmental protection facility can cause boiler smoke resistance to increase simultaneously, cause air-introduced machine
Power is also increase accordingly, and original air-introduced machine power output cannot be met the requirements；On the other hand, original air-introduced machine and booster fan, which use, divides
If concatenated mode, in unit load variation, two kinds of blowers need to be adjusted simultaneously to match operating condition, adjusted complicated.It is based on
Air-introduced machine and booster fan are carried out unification transformation by the above two aspects reason, and the air-introduced machine power drawn after increasing unification is larger.
After drawing increasing unification transformation, air-introduced machine uses steam turbine, Induction Motor-Driven.Consider that air-introduced machine is different at runtime
Operating condition, driving method need to be switched over according to operating condition.It, need to be by asynchronous when steam turbine power output is unable to reach air-introduced machine requirement
Motor supplement power output, this is common driving method.When steam turbine power output reaches air-introduced machine requirement, asynchronous machine can shut down or cut
It is changed to generating operation mode, this is that mode is operated alone.Therefore there need to be the device of clutch function to realize that steam turbine, asynchronous machine individually drive
Move or drive jointly air-introduced machine.
Speed changer, clutch or the speed change clutch being independently arranged in existing certain units, in thermal power plant air-introduced machine and
Desulphurization devices are unified using being relatively limited in retrofitted unit, and in the prior art, air-introduced machine needs steam turbine and asynchronous machine
Driving simultaneously or independent driving, regulate and control driving switching mode adjust it is complicated, and be likely to occur after the unit investment bank galvano-cautery, turn
The potential problems such as sub- uneven heating bending,
Summary of the invention
Goal of the invention: this patent be in order to solve thermal power plant air-introduced machine and desulphurization devices unification transformation after, draw
It may go out after the problem of driving switching that blower needs steam turbine to drive or independently drive simultaneously with asynchronous machine and the unit investment bank
The problem of hidden danger such as existing galvano-cautery, the bending of rotor uneven heating, so provide one kind draw increasing unification retrofitted unit with entirely from
Dynamic arrangement of clutch and application method are more suitable for thermal power plant air-introduced machine and desulphurization devices unification retrofitted unit, collection
At degree is high, function is more complete, bearing capacity is high, the operating condition of high speed, heavy duty can be flexibly applied to.
Summary of the invention: one kind drawing increasing unification retrofitted unit full-automatic on-off device, it includes input connecting shaft 1, transmission
Axis 18, output connecting shaft 11, shell 14, jiggering 8, pinion gear 5, gear wheel 21, synchronous automatic clutch 17；
The input connecting shaft 1, transmission shaft 18 and output connecting shaft 11 are arranged in shell 14, export 11 He of connecting shaft
Transmission shaft 18 is located on same axis and parallel with input connecting shaft 1, inputs connecting shaft 1 and is horizontally set on the top of shell 14,
Right end and the jiggering 8 for inputting connecting shaft 1 are coaxially connected, and pinion gear 5 is fixed on the middle part of horizontally disposed input connecting shaft 1, pass
Moving axis 18 with output connecting shaft 11 from left to right coaxial line be successively horizontally set on shell 14 lower part and by it is synchronous automatically from
Clutch 17 is connected, and gear wheel 21 is fixed on the middle part of transmission shaft 18, and pinion gear 5 is intermeshed with gear wheel 21.
Further, the right side of transmission shaft 18 is connected with the C-terminal of synchronous automatic clutch 17, exports the left side of connecting shaft 11
It is connected with the end D of synchronous automatic clutch 17.
Still further, being equipped with frame body 1, frame body 26 and frame body 3 13, frame body 1, frame body 26 in the shell 14
It is successively perpendicularly fixed in shell 14 from left to right with frame body 3 13.
Still further, the frame body 1 and input connecting shaft 1 between be equipped with first bearing 2, the frame body 26 with it is defeated
Enter and be equipped with second bearing 7 between connecting shaft 1, the left end of input connecting shaft 1 is supported on frame body 1 by first bearing 2, is inputted
The right end of connecting shaft 1 is supported on frame body 26 by second bearing 7, and third axis is equipped between the frame body 1 and transmission shaft 18
22 are held, fourth bearing 19 is equipped between the frame body 26 and transmission shaft 18, the left end of transmission shaft 18 is supported by 3rd bearing 22
In on frame body 1, the right end of transmission shaft 18 is supported on frame body 26 by fourth bearing 19, and the frame body 3 13 connects with output
5th bearing 15 and 6th bearing 12 are successively arranged between spindle 11 from left to right, output connecting shaft 11 passes through 15 He of 5th bearing
6th bearing 12 is supported on frame body 3 13.
Preferably, the 3rd bearing 22 and 6th bearing 12 are axially position bearing.
Further, the outside of the shell 14 be equipped with oil inlet 4 and oil outlet 20,20 position height of oil outlet be lower than into
Hydraulic fluid port 4.
Preferably, it further includes insulating coupling 10 and different that described one kind, which draws increasing unification retrofitted unit full-automatic on-off device,
Motor adapter flange 9 is walked, 10 left end of insulating coupling is bolted with output 11 right end of connecting shaft, asynchronous machine switching method
Orchid 9 is bolted with 10 right end of insulating coupling.Position-detection sensor 16 is housed inside the shell 14.
Preferably, the insulating coupling 13 is the diaphragm coupling with insulation characterisitic.
It is a kind of to draw the application method for increasing unification retrofitted unit full-automatic on-off device,
Steam turbine 23, Full automatic clutch device 24, asynchronous machine 25 and air-introduced machine 26 is coaxially arranged, steam turbine 23 with
The speed end of full-automatic on-off device 17 connects, and the low speed end of Full automatic clutch device 24 is connect with asynchronous machine 25, simultaneously
Asynchronous machine 25 is connect with air-introduced machine 26；
Open unit trial operation, can according to unit operating condition, select air-introduced machine 26 individually driven by asynchronous machine 25 or
Steam turbine 23 drives, and or drives boiler fan jointly by asynchronous machine 25 and steam turbine 23；
System start run when, asynchronous machine 25 first starts, asynchronous machine 25 by asynchronous machine adapter flange 9, absolutely
The output end D rotation of the automatic clutch 17 synchronous with the output drive of connecting shaft 11 of edge shaft coupling 10, while air-introduced machine 26 is asynchronous
Certain load is taken under the electronic mode of motor 25；
When load reaches a certain level, 23 raising speed of steam turbine drives 1 turn of input connecting shaft of full-automatic on-off device 17
It is dynamic, while inputting the input terminal C rotation that connecting shaft 1 drives gear wheel 21 and synchronous automatic clutch 17 by pinion gear 5；When complete
When the revolving speed of the input terminal C of automatic clutch device 24 is greater than or equal to the revolving speed of output end D, synchronous automatic clutch 17 is connect
It closes, the power of steam turbine 23 is eventually by input connecting shaft 1, pinion gear 5, gear wheel 21, synchronous automatic clutch 17 and output
Connecting shaft 11 passes, and at this time according to unit load situation, asynchronous machine 25 can be switched to power generation by electronic；
When 23 reduction of speed of steam turbine is shut down, the revolving speed of the input terminal C of Full automatic clutch device 24 turns less than output end D
Speed, synchronous automatic clutch 17 disengage, and asynchronous machine 25 only drives insulating coupling 12, output connecting shaft 11 and synchronizes certainly at this time
Dynamic 17 output end D of clutch rotation.
The utility model has the advantages that can not only solve air-introduced machine needs by the way that full-automatic on-off device is arranged between asynchronous machine, steam turbine
The driving switching problem for wanting steam turbine and asynchronous machine to drive or independently drive simultaneously, while can also prevent and solve the unit investment bank
The potential problems such as the galvano-cautery, the bending of rotor uneven heating that are likely to occur afterwards.Insulating coupling is diaphragm coupling and has exhausted
Edge characteristic not only can absorb the hot swell increment of rotor in unit equipment operational process, can also cut off unit shaft current circuit,
And then unit equipment is avoided to damage by galvano-cautery；Jiggering is arranged in full-automatic on-off device speed end, has manual and electronic
Function drives unit rotor with certain revolving speed continuous rotation before unit red switch or when shutting down, and purpose preheats rotor, in turn
Solve the problems, such as that rotor uneven heating generates bending deformation；Needed for the revolving speed and boiler fan that are exported in view of steam turbine, motor
The revolving speed wanted often differs larger, using herringbone bear, passes to realize the requirement of system speed ratio, and compared to traditional straight-tooth, helical teeth
Power is passed, herringbone bear has the advantages that high bearing capacity, stable working and operation noise are small；It is only compared in now certain units
The speed changer, clutch or speed change clutch set are erected, thermal power plant air-introduced machine and desulphurization devices unification are more suitable for
Retrofitted unit, integrated level is high, function is more complete, bearing capacity is high, can be flexibly applied to the operating condition of high speed, heavy duty, with
For 1030MW unit, this patent is to draw to increase the Full automatic clutch device that unification retrofitted unit provides, estimated after putting into operation to make
Station service power consumption rate reduces 2-2.8%, and annual total electricity sales amount increases by 132.54 × 106KWh, if rate for incorporation into the power network based on 0.366 yuan/kWh,
Then annual power selling income increases by 48,510,000 yuan.
Detailed description of the invention
Fig. 1 is a kind of structure principle chart for drawing increasing unification retrofitted unit full-automatic on-off device of the invention；
Fig. 2 is that vapour electric drive draws increasing unification retrofitted unit layout drawing.
Specific embodiment
Specific embodiment 1: embodiment is described with reference to Fig. 1, one kind drawing increasing unification retrofitted unit full-automatic on-off
Device, it includes input connecting shaft 1, transmission shaft 18, output connecting shaft 11, shell 14, jiggering 8, pinion gear 5, gear wheel 21, same
Walk automatic clutch 17；
The input connecting shaft 1, transmission shaft 18 and output connecting shaft 11 are arranged in shell 14, export 11 He of connecting shaft
Transmission shaft 18 is located on same axis and parallel with input connecting shaft 1, inputs connecting shaft 1 and is horizontally set on the top of shell 14,
Right end and the jiggering 8 for inputting connecting shaft 1 are coaxially connected, and pinion gear 5 is fixed on the middle part of horizontally disposed input connecting shaft 1, pass
Moving axis 18 with output connecting shaft 11 from left to right coaxial line be successively horizontally set on shell 14 lower part and by it is synchronous automatically from
Clutch 17 is connected, and gear wheel 21 is fixed on the middle part of transmission shaft 18, and pinion gear 5 is intermeshed with gear wheel 21.
In present embodiment, input terminal A of the left-hand end of connecting shaft 1 as Full automatic clutch device is inputted, output connects
Output end B of the right-hand end of spindle 11 as Full automatic clutch device, input terminal A is Gao Suduan, output end B is low speed end
Specific embodiment 2: embodiment is described with reference to Fig. 1, it further includes bearing, and one kind drawing increasing unification transformation apparatus
Group full-automatic on-off device, the right side of transmission shaft 18 are connected with the C-terminal of synchronous automatic clutch 17, export a left side for connecting shaft 11
Side is connected with the end D of synchronous automatic clutch 17.；Other embodiments are same as the specific embodiment one.
Specific embodiment 3: embodiment is described with reference to Fig. 1, one kind drawing increasing unification retrofitted unit full-automatic on-off
Device, the shell 14 is interior to be equipped with frame body 1, frame body 26 and frame body 3 13, and frame body 1, frame body 26 and frame body 3 13 are by a left side
It is successively perpendicularly fixed in shell 14 to the right side,；Other embodiments are same as the specific embodiment one.
Specific embodiment 4: embodiment is described with reference to Fig. 1, one kind drawing increasing unification retrofitted unit full-automatic on-off
Device is equipped with first bearing 2, sets between the frame body 26 and input connecting shaft 1 between the frame body 1 and input connecting shaft 1
There is second bearing 7, the left end of input connecting shaft 1 is supported on frame body 1 by first bearing 2, and the right end of input connecting shaft 1 is logical
It crosses second bearing 7 to be supported on frame body 26,3rd bearing 22, the frame body two is equipped between the frame body 1 and transmission shaft 18
Fourth bearing 19 is equipped between 6 and transmission shaft 18, the left end of transmission shaft 18 is supported on frame body 1 by 3rd bearing 22, is passed
The right end of moving axis 18 is supported on frame body 26 by fourth bearing 19, from a left side between the frame body 3 13 and output connecting shaft 11
It is successively arranged 5th bearing 15 and 6th bearing 12 to the right side, output connecting shaft 11 is supported by 5th bearing 15 and 6th bearing 12
In on frame body 3 13,；Other embodiments are same as the specific embodiment one.
Specific embodiment 5: embodiment is described with reference to Fig. 1, one kind drawing increasing unification retrofitted unit full-automatic on-off
Device, the 3rd bearing 22 and 6th bearing 12 are axially position bearing；Other embodiments and one phase of specific embodiment
Together.
Specific embodiment 6: embodiment is described with reference to Fig. 1, one kind drawing increasing unification retrofitted unit full-automatic on-off
Device, the outside of the shell 14 are equipped with oil inlet 4 and oil outlet 20, and 20 position height of oil outlet is lower than oil inlet 4.Other realities
It is same as the specific embodiment one to apply mode.
Specific embodiment 7: embodiment is described with reference to Fig. 1, one kind drawing increasing unification retrofitted unit full-automatic on-off
Device, described one kind draw increasing and unify retrofitted unit full-automatic on-off device, and described one kind is drawn increasing unification retrofitted unit and used entirely certainly
Dynamic arrangement of clutch further includes insulating coupling 10 and asynchronous machine adapter flange 9,10 left end of insulating coupling and output connecting shaft
11 right ends are bolted, and asynchronous machine adapter flange 9 is bolted with 10 right end of insulating coupling；Other embodiments with
Specific embodiment one is identical.
Specific embodiment 8: embodiment is described with reference to Fig. 1, one kind drawing increasing unification retrofitted unit full-automatic on-off
Device is equipped with position-detection sensor 16 inside the shell 14；Other embodiments are same as the specific embodiment one, institute position
Detection sensor 16 is set, is fed back, is presented on for monitoring the clutch state of Full automatic clutch device, and by electric signal
On computer.
Specific embodiment 9: embodiment is described with reference to Fig. 1, one kind drawing increasing unification retrofitted unit full-automatic on-off
Device, the insulating coupling 13 are the diaphragm coupling with insulation characterisitic；Other embodiments and specific embodiment
One is identical, and the insulating coupling 9 is diaphragm coupling and has insulation characterisitic, not only can absorb unit equipment operational process
The hot swell increment of middle rotor can also cut off unit shaft current circuit, unit equipment is avoided to damage by galvano-cautery.
In present embodiment, the pinion gear 5 and gear wheel 21 are herringbone bear.Herringbone bear is to realize system speed ratio
It is required that transmitting power compared to traditional straight-tooth, helical teeth, herringbone bear has high bearing capacity, stable working and operation noise small
The advantages of.
Specific embodiment 10: embodiment is described with reference to Fig. 1, one kind drawing increasing unification retrofitted unit full-automatic on-off
The application method of device, steam turbine 23, Full automatic clutch device 24, asynchronous machine 25 and air-introduced machine 26 is coaxially arranged, vapour
Turbine 23 is connect with the speed end of full-automatic on-off device 17, and the low speed end of Full automatic clutch device 24 and asynchronous machine 25 connect
It connects, while asynchronous machine 25 is connect with air-introduced machine 26；
Open unit trial operation, can according to unit operating condition, select air-introduced machine 26 individually driven by asynchronous machine 25 or
Steam turbine 23 drives, and or drives boiler fan jointly by asynchronous machine 25 and steam turbine 23；
System start run when, asynchronous machine 25 first starts, asynchronous machine 25 by asynchronous machine adapter flange 9, absolutely
The output end D rotation of the automatic clutch 17 synchronous with the output drive of connecting shaft 11 of edge shaft coupling 10, while air-introduced machine 26 is asynchronous
Certain load is taken under the electronic mode of motor 25；
When load reaches a certain level, 23 raising speed of steam turbine drives 1 turn of input connecting shaft of full-automatic on-off device 17
It is dynamic, while inputting the input terminal C rotation that connecting shaft 1 drives gear wheel 21 and synchronous automatic clutch 17 by pinion gear 5；When complete
When the revolving speed of the input terminal C of automatic clutch device 24 is greater than or equal to the revolving speed of output end D, synchronous automatic clutch 17 is connect
It closes, the power of steam turbine 23 is eventually by input connecting shaft 1, pinion gear 5, gear wheel 21, synchronous automatic clutch 17 and output
Connecting shaft 11 passes, and at this time according to unit load situation, asynchronous machine 25 can be switched to power generation by electronic；
When 23 reduction of speed of steam turbine is shut down, the revolving speed of the input terminal C of Full automatic clutch device 24 turns less than output end D
Speed, synchronous automatic clutch 17 disengage, and asynchronous machine 25 only drives insulating coupling 12, output connecting shaft 11 and synchronizes certainly at this time
Dynamic 17 output end D of clutch rotation.
Claims (10)
1. one kind draws increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: it includes input connecting shaft (1), passes
Moving axis (18), output connecting shaft (11), shell (14), jiggering (8), pinion gear (5), gear wheel (21), synchronous automatic clutch
(17)；
The input connecting shaft (1), transmission shaft (18) and output connecting shaft (11) are arranged in shell (14), export connecting shaft
(11) and transmission shaft (18) be located on same axis and with input connecting shaft (1) it is parallel, input connecting shaft (1) be horizontally set on shell
The top of body (14), right end and the jiggering (8) for inputting connecting shaft (1) are coaxially connected, and pinion gear (5) is fixed on horizontally disposed defeated
Enter the middle part of connecting shaft (1), coaxial line is successively horizontally set on shell from left to right for transmission shaft (18) and output connecting shaft (11)
(14) lower part is simultaneously connected by synchronous automatic clutch (17), and gear wheel (21) is fixed on the middle part of transmission shaft (18), small tooth
Wheel (5) intermeshes with gear wheel (21).
2. one kind according to claim 1 draws increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: transmission
The C-terminal of the right side of axis (18) and synchronous automatic clutch (17) connects, and exports the left side of connecting shaft (11) and synchronous automatic clutch
The end D of device (17) connects.
3. one kind according to claim 1 draws increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: described
Frame body one (3), frame body two (6) and frame body three (13), frame body one (3), frame body two (6) and frame body three (13) are equipped in shell (14)
It is successively perpendicularly fixed in shell (14) from left to right.
4. one kind according to claim 3 draws increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: described
First bearing (2) are equipped between frame body one (3) and input connecting shaft (1), between the frame body two (6) and input connecting shaft (1)
Equipped with second bearing (7), the left end for inputting connecting shaft (1) is supported on frame body one (3) by first bearing (2), input connection
The right end of axis (1) is supported on frame body two (6) by second bearing (7), is equipped between the frame body one (3) and transmission shaft (18)
3rd bearing (22) is equipped with fourth bearing (19) between the frame body two (6) and transmission shaft (18), and the left end of transmission shaft (18) is logical
It crosses 3rd bearing (22) to be supported on frame body one (3), the right end of transmission shaft (18) is supported in frame body two by fourth bearing (19)
(6) on, it is successively arranged 5th bearing (15) and the 6th axis from left to right between the frame body three (13) and output connecting shaft (11)
It holds (12), output connecting shaft (11) is supported on frame body three (13) by 5th bearing (15) and 6th bearing (12).
5. one kind according to claim 4 draws increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: it is described
3rd bearing (22) and 6th bearing (12) are axially position bearing.
6. one kind according to claim 1 draws increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: described
The outside of shell (14) is equipped with oil inlet (4) and oil outlet (20), and oil outlet (20) position height is lower than oil inlet (4).
7. one kind according to claim 1 draws increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: described
It further includes insulating coupling (10) and asynchronous machine adapter flange that one kind, which drawing increasing unification retrofitted unit full-automatic on-off device,
(9), insulating coupling (10) left end with output connecting shaft (11) right end be bolted, asynchronous machine adapter flange (9) with
Insulating coupling (10) right end is bolted.
8. one kind according to claim 1 draws increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: described
Position-detection sensor (16) are housed inside shell (14),.
9. one kind according to claim 6 draws increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: described
Insulating coupling (13) be the diaphragm coupling with insulation characterisitic.
10. a kind of draw the application method for increasing unification retrofitted unit full-automatic on-off device, it is characterised in that: the application method
It comprises the following processes:
Coaxially arranged, the steam turbine by steam turbine (23), Full automatic clutch device (24), asynchronous machine (25) and air-introduced machine (26)
(23) it is connect with the speed end of full-automatic on-off device (17), the low speed end of Full automatic clutch device (24) and asynchronous machine
(25) it connects, while asynchronous machine (25) is connect with air-introduced machine (26)；
Open unit trial operation, can according to unit operating condition, select air-introduced machine (26) individually by asynchronous machine (25) driving or
Steam turbine (23) driving, and or boiler fan is driven by asynchronous machine (25) and steam turbine (23) jointly；
System start run when, asynchronous machine (25) first starts, asynchronous machine (25) by asynchronous machine adapter flange (9),
The output end D rotation of insulating coupling (10) automatic clutch (17) synchronous with output connecting shaft (11) drive, while air-introduced machine
(26) certain load is taken under asynchronous machine (25) electronic mode；
When load reaches a certain level, steam turbine (23) raising speed drives the input connecting shaft (1) of full-automatic on-off device (17)
Rotation, while inputting the input terminal that connecting shaft (1) drives gear wheel (21) and synchronous automatic clutch (17) by pinion gear (5)
C rotation；When the revolving speed of the input terminal C of Full automatic clutch device (24) is greater than or equal to the revolving speed of output end D, synchronize automatic
Clutch (17) engagement, the power of steam turbine (23) is eventually by input connecting shaft (1), pinion gear (5), gear wheel (21), same
Step automatic clutch (17) and output connecting shaft (11) pass, and at this time according to unit load situation, asynchronous machine (25) can
Power generation is switched to by electronic；
When steam turbine (23) reduction of speed is shut down, the revolving speed of the input terminal C of Full automatic clutch device (24) turns less than output end D
Speed, synchronous automatic clutch (17) disengage, and asynchronous machine (25) only drives insulating coupling (12), output connecting shaft (11) at this time
And synchronous automatic clutch (17) output end D rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837245.2A CN110439632A (en) | 2019-09-05 | 2019-09-05 | One kind drawing increasing unification retrofitted unit full-automatic on-off device and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837245.2A CN110439632A (en) | 2019-09-05 | 2019-09-05 | One kind drawing increasing unification retrofitted unit full-automatic on-off device and application method |
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Cited By (1)
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| CN114961885A (en) * | 2022-05-07 | 2022-08-30 | 中国船舶重工集团公司第七0三研究所 | Power switching method of double-power driving unit |
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