CN208109160U - A kind of generator sealing bearing bush simulated experiment rack - Google Patents
A kind of generator sealing bearing bush simulated experiment rack Download PDFInfo
- Publication number
- CN208109160U CN208109160U CN201721876673.9U CN201721876673U CN208109160U CN 208109160 U CN208109160 U CN 208109160U CN 201721876673 U CN201721876673 U CN 201721876673U CN 208109160 U CN208109160 U CN 208109160U
- Authority
- CN
- China
- Prior art keywords
- bearing bush
- sealing bearing
- oil
- air
- outlet
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model belongs to generator of nuclear power station technical field, it can be to the mechanical device that generator sealing bearing bush is tested and is detected more particularly to one kind, so that the sealing bearing bush tested is reached the normal operating condition of simulation Turbo-generator Set, and then studies the generator sealing bearing bush simulated experiment rack of the influence of gap, sealing oil pressure, flow and the temperature of assessment sealing bearing bush and axis to sealing bearing bush operating status；Including alternating current generator, main shaft, wheel disc, sealing bearing bush seat, temperature sensor, speed probe, vibrating sensor, flow sensor, leakproof fuel cell, electric heater, gs-oil separator, frequency conversion oil pump, valve, pressure sensor, water cooler, mechanical filter, magnetic filter, buffer oil tank, air compressor, air accumulator, air reducing valve, air cleaner, air dryer, bearing, coupling sleeve, adjustment pad, key, partition, oilhole, stomata, vapour side oil return hole a, vapour side oil return hole b, hanging pin and empty side oil return hole.
Description
Technical field
The invention belongs to generator of nuclear power station technical fields, and in particular to a kind of generator sealing bearing bush simulated experiment rack.
Background technique
The hydrogen inside hydrogen cooled generator is along the gap leakage between generator both ends casing and rotor in order to prevent,
Generator both ends have been respectively mounted sealing bearing bush device, and the hydrogen come in sealed electric generator by the high pressure sealing oil of flowing leaks.
Joint ring type sealing bearing bush, such sealing bearing bush maintenance is complicated, and mounting process requires height, and the sealing bearing bush of this kind of pattern exists
The problem of deforming is easy in unit red switch or operational process, field gulf nuclear power station once repeatedly appeared in unit running process
Because sealing bearing bush deforms the defect for causing sealing bearing bush temperature high, the safe and stable operation of unit is seriously threatened.
The reason of sealing bearing bush deforms is more complicated, may be for machining stress does not discharge and gradually releases in the process of running
It puts and causes to deform, it is also possible to which blank natrual ageing is not enough during sealing bearing bush processing and manufacturing or heat treatment process has shortcoming
And cause to deform, no matter which kind of reason, require just deform after sealing bearing bush runs a period of time, therefore overhaul
Cheng Zhong can not determine the state of sealing bearing bush in the process of running.
Moreover, in the sealing bearing bush installation standard that the Russian side provides being formulated under Russian local environmental weather conditions
, since weather, the temperature difference of China and Russia are larger, when being installed according to the standard that the Russian side provides to sealing bearing bush,
Sealing oil system often will appear some conflicting problems, such as increases sealing bearing bush internal diameter and corresponding axle journal difference, can drop
Low watt of temperature, but may result in the decline of Seal Oil fuel feeding main-piping pressure, even lower than run-limiting, on the contrary, then may cause watt
Temperature increases.
Therefore, the installation for such sealing bearing bush at present mainly carries out sealing bearing bush by experienced maintenance personal
Maintenance and installation, even if in this way, still will appear due to mounting process or sealing bearing bush deformation the problem of, lead to sealing bearing bush watt temperature
The phenomenon that the defects of height, leakage hydrogen.
Summary of the invention
The object of the present invention is in view of the shortcomings of the prior art, provide one kind generator sealing bearing bush can be carried out test and
The mechanical device of detection makes the sealing bearing bush tested reach the normal operating condition of simulation Turbo-generator Set, and then studies and comment
Estimate the generator sealing bearing bush of the influence of gap, sealing oil pressure, flow and the temperature of sealing bearing bush and axis to sealing bearing bush operating status
Simulated experiment rack.
The technical scheme is that：
A kind of generator sealing bearing bush simulated experiment rack, including alternating current generator, main shaft, wheel disc, sealing bearing bush seat, temperature sensing
Device, speed probe, vibrating sensor, flow sensor, leakproof fuel cell, electric heater, gs-oil separator, frequency conversion oil pump, valve
Door, pressure sensor, water cooler, mechanical filter, magnetic filter, buffer oil tank, air compressor, air accumulator, air decompression
Valve, air cleaner, air dryer, bearing, coupling sleeve, adjustment pad, key, partition, oilhole, stomata, vapour side oil return hole a,
Vapour side oil return hole b, hanging pin and empty side oil return hole, wherein alternating current generator is attached by half around property coupling band, key and main shaft, main
Axis is attached by bolt and wheel disc, and the material and size of wheel disc need to be with the generator amature material installed by test sealing bearing bush
Matter, size are consistent, and jerk value controls within .mm, and wheel disc is built-in to be supported there are two high-precision bearing, and sealing bearing bush passes through extension
Pin is hung in adjustment pad, and is sleeved on wheel disc, is separated among two pieces of sealing bearing bushes with partition, two pieces of adjustment pads must assure that
In parallel, within depth of parallelism .mm；It is provided with oilhole, stomata above sealing bearing bush seat, ten measured holes is circumferentially provided with and is passed for installing temperature
Sensor, speed probe, vibrating sensor, lower section are provided with vapour side oil return hole a, vapour side oil return hole b, and sealing bearing bush seat is solid by bolt
It is scheduled on alternating current generator, alternating current generator is attached by bolt and leakproof fuel cell；Leakproof fuel cell is pyramid fuel tank, volume
For m, tank bottoms are square, and week is bolted in ground base, and fuel tank top is connect with alternating current generator, electric heating
Device is placed in inside leakproof fuel cell, and electric heater is high-intensitive stick electrical heating elements, and preferably eight to 12 groups of quantity；Oil-gas Separation
Device is by flanged joint between vapour side oil return hole a, vapour side oil return hole b and leakproof fuel cell；Frequency conversion oil pump inlet by flange with
Leakproof fuel cell bottom oil circuit outlet connection, frequency conversion fuel pump outlet are connect by flange with valve, and the valve other end passes through flange
It is attached with the oil pipe line entrance of water cooler, pressure sensor, temperature sensor are threadedly attached in valve and water cooler
On intermediate pipeline；Water cooler oil pipe way outlet is connect by flange with mechanical filter, and valve is separately mounted to by flange
The inlet and outlet of water cooler water lines for controlling the discharge of cooling water, and then control the temperature of Seal Oil；Mechanical filter disengaging
Mouth is connect by flange with valve, is connected after two mechanical filters and valve in parallel by flange and water cooler and magnetic filter
It connects；Magnetic filter entrance accesses in leakproof fuel cell after being connect by pipeline with valve, and temperature sensor, pressure sensor pass through spiral shell
On the line connection installation subsequent pipeline of magnetic filter；Institute's buffer oil tank is cylindrical tube, and volume m, installation site is higher than examination
Host is tested, for preventing power-off or other situations suddenly, sealing bearing bush or other auxiliary equipments, buffering oil are damaged in docking process
Bottom portion is provided with the inlet and outlet of oil circuit, and top is provided with stomata, and buffer oil tank oil circuit import passes through flange and magnetic filter
Outlet connection, outlet are connect by flange with the oilhole on sealing bearing bush seat, and the stomata at top is connect by flange with air accumulator；Temperature
Degree sensor, flow sensor, pressure sensor are installed on the pipeline among buffer oil tank oil pipe way outlet and sealing bearing bush seat；
The air compressor outlet is successively connect with air accumulator, air reducing valve, air cleaner, air dryer, is air-dried
Device outlet is connect by underwater flange with the stomata on sealing bearing bush seat；Air accumulator is cylindrical tube, and volume .m, two sides are opened respectively
There is the entrance and exit of compressed air, air accumulator guarantees the compression entered in the stomata on sealing bearing bush seat for stablizing air pressure
Air pressure is constant.
The beneficial effects of the invention are as follows：
The invention can not only simulate the normal operating condition of Turbo-generator Set 3000r/min by testing host, lead to
Cross the high-precision sensor of installation, the parameters of accurate recording sealing bearing bush operation, it can be estimated that different sealing bearing bushes and axis
Influence of the parameters such as gap, sealing oil pressure, flow and temperature to sealing bearing bush operating status, and at the same time sealing bearing bush can be examined
Whether can deform in the process of running, sealing bearing bush can be effectively reduced and formally return the probability to break down after dress.
Detailed description of the invention
Fig. 1 is sealing bearing bush simulating bench structure chart.
Fig. 2 is structure chart in component sealing bearing bush seat in test host
In figure：1. alternating current generator；2 main shafts；3. wheel disc；4. sealing bearing bush seat；5. temperature sensor；6. speed probe；7.
Vibrating sensor；8. flow sensor；9. leakproof fuel cell；10. electric heater；11. gs-oil separator；12. frequency conversion oil pump；13.
Valve；14. pressure sensor；15. water cooler；16. mechanical filter；17. magnetic filter；18. buffer oil tank；19. air pressure
Contracting machine；20. air accumulator；21. air reducing valve；22. air cleaner；23. air dryer；24. bearing；25. coupling sleeve；
26. sealing bearing bush；27 adjustment pads；28. key；29. partition；30. oilhole；31. stomata；32. vapour side oil return hole a；33. the oil return of vapour side
Hole b；34. hanging pin；35. empty side oil return hole.
Specific embodiment
The present invention is further introduced with embodiment with reference to the accompanying drawing：
A kind of generator sealing bearing bush simulated experiment rack, including alternating current generator 1, main shaft 2, wheel disc 3, sealing bearing bush seat 4, temperature
Sensor 5, speed probe 6, vibrating sensor 7, flow sensor 8, leakproof fuel cell 9, electric heater 10, gs-oil separator
11, frequency conversion oil pump 12, valve 13, pressure sensor 14, water cooler 15, mechanical filter 16, magnetic filter 17, buffer oil tank
18, air compressor 19, air accumulator 20, air reducing valve 21, air cleaner 22, air dryer 23, bearing 24, coupling sleeve
25, adjustment pad 27, key 28, partition 29, oilhole 30, stomata 31, vapour side oil return hole a32, vapour side oil return hole b33, hanging pin 34 and
Empty side oil return hole 35, wherein alternating current generator 1 is attached by half around property coupling band 27, key 30 and main shaft 2, and main shaft 2 passes through spiral shell
Bolt is attached with wheel disc 3, the material and size of wheel disc 3 need to installed by test sealing bearing bush generator amature material, ruler
Very little consistent, jerk value controls within 0.015mm, and wheel disc is built-in to be supported there are two high-precision bearing 24, and sealing bearing bush 26 is logical
It crosses hanging pin 34 to hang in adjustment pad 27, and is sleeved on wheel disc 3, separated among two pieces of sealing bearing bushes with partition 29, two pieces of adjustment
Backing plate 27 must assure that in parallel, within depth of parallelism 0.02mm；It is provided with oilhole 30, stomata 31 above sealing bearing bush seat 4, is circumferentially provided with ten
A measured hole is used for mounting temperature sensor 5, speed probe 6, vibrating sensor 7, and lower section is provided with vapour side oil return hole a32, vapour
Side oil return hole b33, sealing bearing bush seat 4 are bolted on alternating current generator 1, alternating current generator 1 by bolt and leakproof fuel cell 9 into
Row connection；Leakproof fuel cell 9 is pyramid fuel tank, volume 10m3, tank bottoms are square, and week is bolted on ground
On the basis of face, fuel tank top is connect with alternating current generator 1, and electric heater 10 is placed in inside leakproof fuel cell 9, and electric heater 10 is high-strength
Degree stick electrical heating elements, preferably eight to 12 groups of quantity；Gs-oil separator 11 by flanged joint vapour side oil return hole a32,
Between vapour side oil return hole b33 and leakproof fuel cell 9；12 entrance of frequency conversion oil pump is connected by flange and the outlet of 9 bottom oil circuit of leakproof fuel cell
It connects, the outlet of frequency conversion oil pump 12 is connect by flange with valve 13, and 13 other end of valve passes through the oil pipe of flange and water cooler 15
Road entrance is attached, and pressure sensor 14, temperature sensor 5 are threadedly attached in the pipe among valve 13 and water cooler 15
On line；15 oil pipe way outlet of water cooler is connect by flange with mechanical filter 16, and valve 13 is separately mounted to water by flange
The inlet and outlet of 15 water lines of cooler for controlling the discharge of cooling water, and then control the temperature of Seal Oil；Mechanical filter 16 into
Outlet is connect by flange with valve 13, passes through flange and water cooler 15 and magnetic after 13 parallel connection of two mechanical filters 16 and valve
Filter 17 connects；17 entrance of magnetic filter accesses in leakproof fuel cell 9 after being connect by pipeline with valve 13, temperature sensor 5,
Pressure sensor 14 is connected through a screw thread on the installation subsequent pipeline of magnetic filter 17；Institute's buffer oil tank 18 is cylindrical tube,
Volume 1m3, installation site is higher than test host, for preventing from powering off suddenly or other situations, damages in docking process close
Envelope watt or other auxiliary equipments, 18 bottom of buffer oil tank are provided with the inlet and outlet of oil circuit, and top is provided with stomata, buffer oil tank 18
Oil circuit import is connect by flange with the outlet of magnetic filter 17, and outlet is connect by flange with the oilhole 30 on sealing bearing bush seat 4,
The stomata at top is connect by flange with air accumulator 20；Temperature sensor 5, flow sensor 8, pressure sensor 14 are installed on slow
It rushes on the pipeline among 18 oil pipe way outlet of fuel tank and sealing bearing bush seat 4；The air compressor 19 outlet successively with air accumulator 20,
Air reducing valve 21, air cleaner 22, air dryer 23 connect, and the outlet of air dryer 23 passes through underwater flange and sealing
Stomata 33 on watt seat 4 connects；Air accumulator 20 is cylindrical tube, volume 0.3m3, two sides have the entrance of compressed air
And outlet, air accumulator 20 guarantee that the compressed air pressure entered in the stomata 31 on sealing bearing bush seat 4 is permanent for stablizing air pressure
It is fixed.
The invention is several by test host, main fuel tank, oil pump, oil cooler, filter, buffer oil tank, air compressor machine, gas storage mechanism
Big component composition.
Wherein test host is bolted on above main fuel tank, and oil pump is located on the right side of main fuel tank, and the entrance of oil pump is logical
Flange to be crossed to connect with fuel tank, fuel pump outlet is attached by flange and oil cooler, and oil cooler outlet is connect with filter inlet,
Filter outlet is connect by flange with buffer oil tank entrance, and buffer oil tank outlet is connect by flange with test host.Pneumatics
Machine outlet connect by flange with gas storage mechanism entrance, and the outlet of gas storage mechanism passes through flange and connect with host is tested.
The test host mainly includes alternating current generator, main shaft, wheel disc, sealing bearing bush seat, temperature sensor, revolving speed biography
Sensor, vibrating sensor etc..Alternating current generator drives main shaft and wheel disc to 3000 turns by half around property coupling band, for simulating steamer
The normal operating condition of generating set, temperature sensor, speed probe, vibrating sensor, flow sensor pass through spiral shell screw thread
It is connected on sealing bearing bush seat, joins for vibration, revolving speed, the sealing bearing bush temperature tested etc. in monitoring test host operational process
Number.
The main fuel tank mainly includes leakproof fuel cell, electric heater, gs-oil separator.Leakproof fuel cell is bolted
In ground base, electric heater is placed in inside leakproof fuel cell, for being heated before opening machine to Seal Oil, gs-oil separator
It is connected between sealing bearing bush seat and leakproof fuel cell by pipe flange, for separating the Seal Oil and sky of sealing bearing bush gas side leakage current
Gas.
The oil pump is frequency conversion oil pump, provides power for the sealing bearing bush experimental rig sealing oil circuit, guarantee enters examination
Test the oil pressure Pass Test requirement in host.
The oil cooler is water cooler.Water cooler oil pipe line entrance is connect with oil pump, and outlet passes through flange and mechanical mistake
Filter connection guarantees sealing oil temperature within the scope of test requirements document for cooling down to during test to sealing oil temperature.Water
Cooler has independent chilled(cooling) water return (CWR) for coolant seal oil.
The filter mainly has mechanical filter, magnetic filter, and mechanical filter inlet and outlet pass through flange and valve
Connection, the entrance after two mechanical filters are in parallel are connected by flange and water cooler outlet, mechanical filter outlet and magnetic mistake
Filter inlet is connected again, and magnetic filter outlet is connect with buffer oil tank.Filter is mainly used for close by test to entering
The Seal Oil of envelope watt is filtered, and guarantees oily Pass Test requirement.
The buffer oil tank is cylindrical tube, and installation site is higher than test host, powered off suddenly for preventing or
Other situations damage sealing bearing bush or other auxiliary equipments in docking process.
The air compressor machine is air compressor, for for compressed air needed for providing sealing bearing bush test.
The gas storage mechanism includes air accumulator, air reducing valve, air cleaner, air dryer.Air accumulator entrance
Between air compressor machine outlet connecting pipe line, it is sequentially installed with air reducing valve, air cleaner, air dryer, guarantees have
The clean air of rated pressure enters in air accumulator, and reservoir outlet is connect with test host, provides for sealing bearing bush test specified
The compressed air of pressure.
Embodiment
As shown in Figure 1 and Figure 2, a kind of generator sealing bearing bush simulated experiment rack, it includes alternating current generator 1, main shaft 2, wheel disc
3, sealing bearing bush seat 4, temperature sensor 5, speed probe 6, vibrating sensor 7, flow sensor 8, leakproof fuel cell 9, electric heating
Device 10, gs-oil separator 11, frequency conversion oil pump 12, valve 13, pressure sensor 14, water cooler 15, mechanical filter 16, Magnetic filter
Device 17, buffer oil tank 18, air compressor 19, air accumulator 20, air reducing valve 21, air cleaner 22, air dryer 23,
Bearing 24, coupling sleeve 25, adjustment pad 27, key 28, partition 29, hanging pin 34.
As shown in Figure 1 and Figure 2, alternating current generator 1 is attached by half around property coupling band 27, key 30 and main shaft 2, and main shaft 2 is logical
It crosses bolt to be attached with wheel disc 3, the material and size of wheel disc 3 need to be with the generator amature material installed by test sealing bearing bush
Matter, size are consistent, and jerk value controls within 0.015mm, and wheel disc is built-in to be supported there are two high-precision bearing 24, sealing bearing bush
26 are hung in adjustment pad 27 by hanging pin 34, and are sleeved on wheel disc 3, are separated among two pieces of sealing bearing bushes with partition 29, two pieces
Adjustment pad 27 must assure that in parallel, within depth of parallelism 0.02mm.It is provided with oilhole 30, stomata 31 above sealing bearing bush seat 4, circumferentially opens
Have 10 measured holes for mounting temperature sensor 5, speed probe 6, vibrating sensor 7, lower section be provided with vapour side oil return hole a,
Vapour side oil return hole b, sealing bearing bush seat 4 are bolted on alternating current generator 1, alternating current generator 1 by bolt and leakproof fuel cell 9 into
Row connection.
As shown in Figure 1 and Figure 2, leakproof fuel cell 9 is pyramid fuel tank, volume 10m3, tank bottoms are square, and 4 weeks
It being bolted in ground base, fuel tank top is connect with alternating current generator 1, and electric heater 10 is placed in inside leakproof fuel cell 9,
Electric heater 10 is high-intensitive stick electrical heating elements, the preferred 8-12 group of quantity.Gs-oil separator 11 is by flanged joint 32
Between vapour side oil return hole a, 33 vapour side oil return hole b and leakproof fuel cell 9.
As shown in Figure 1,12 entrance of frequency conversion oil pump is connected by flange and the outlet of 9 bottom oil circuit of leakproof fuel cell, frequency conversion oil pump
12 outlets are connect by flange with valve 13, and 13 other end of valve is connected by the oil pipe line entrance of flange and water cooler 15
It connects, pressure sensor 14, temperature sensor 5 are threadedly attached on the pipeline among valve 13 and water cooler 15.Water cooler
15 oil pipe way outlets are connect by flange with mechanical filter 16, and valve 13 is separately mounted to 15 water lines of water cooler by flange
Inlet and outlet, for controlling the discharge of cooling water, and then control the temperature of Seal Oil.
As shown in Figure 1, the inlet and outlet of mechanical filter 16 are connect by flange with valve 13, two mechanical filters 16 and valve
It is connect by flange with water cooler 15 and magnetic filter 17 after 13 parallel connections of door.17 entrance of magnetic filter is connected by pipeline and valve 13
It is accessed in leakproof fuel cell 9 after connecing, it is subsequent that temperature sensor 5, pressure sensor 14 are connected through a screw thread installation magnetic filter 17
On pipeline.
As shown in Figure 1 and Figure 2, buffer oil tank 18 is cylindrical tube, volume 1m3, installation site is higher than test host,
For preventing power-off or other situations suddenly, sealing bearing bush or other auxiliary equipments are damaged in docking process.18 bottom of buffer oil tank
Portion is provided with the inlet and outlet of oil circuit, and top is provided with stomata, and 18 oil circuit import of buffer oil tank passes through flange and magnetic filter 17
Outlet connection, outlet are connect by flange with the oilhole 30 on sealing bearing bush seat 4, and the stomata at top is connected by flange and air accumulator 20
It connects.Temperature sensor 5, flow sensor 8, pressure sensor 14 are installed on 18 oil pipe way outlet of buffer oil tank and sealing bearing bush seat 4
On intermediate pipeline.
As shown in Figure 1 and Figure 2, air compressor 19 outlet successively with air accumulator 20, air reducing valve 21, air cleaner
22, air dryer 23 connects, and the outlet of air dryer 23 is connect by underwater flange with the stomata 33 on sealing bearing bush seat 4.Storage
Gas tank 20 is cylindrical tube, volume 0.3m3, two sides have an entrance and exit of compressed air, and air accumulator 20 is for steady
Determine air pressure, guarantees that the compressed air pressure entered in the stomata 31 on sealing bearing bush seat 4 is constant.
Illustrate that a kind of work of generator sealing bearing bush simulated experiment rack provided by the present invention is former below with reference to Fig. 1, Fig. 2
Reason：In order to simulate by the true operating status of test sealing bearing bush, this test-bed simulates the test master of Turbo-generator Set operation
Machine, sealing oil system and compressed air system.
It tests host and provides power by alternating current generator 1, main shaft 2, wheel disc 3 is made to reach the rated speed of 3000r/min, be tested
The sealing bearing bush 26 tested is hung in adjustment pad 27 by hanging pin 34, and is sleeved on wheel disc 3, it is ensured that is being taken turns by test sealing bearing bush 26
On disk 3 can free floating, separated with partition 29 among two pieces of sealing bearing bushes.The Seal Oil of rated pressure (such as 0.58MPa) is logical
Oil-through hole 30 enters two pieces by the wedge gap between sealing bearing bush 26 and wheel disc 3, with the pressure of rated pressure (such as 0.5Mpa)
Contracting air substitutes hydrogen, is entered in the annular compartment formed among two pieces of sealing bearing bushes with partition by stomata 31, for simulating
Hydrogen state in generator thorax.The Seal Oil in the sealing bearing bush 26 tested is entered, it is most of to pass through empty side oil return hole 35
It is flow back into leakproof fuel cell 9, it is gentle to respectively enter gas side oil return hole a for pressure of the sub-fraction Seal Oil due to overcoming compressed air
Side oil return hole b, then by gs-oil separator 11 by after Seal Oil and compressed air separation, Seal Oil flow back into leakproof fuel cell 9.Sealing
10 measured holes that watt seat 4 is circumferentially opened are equipped with temperature sensor 5, speed probe 6, vibrating sensor 7, for continual
Sealing bearing bush temperature, the speed of mainshaft and Vibration Condition during measurement test.
Sealing oil system is by leakproof fuel cell 9, frequency conversion oil pump 12, water cooler 15, mechanical filter 16, magnetic filter 17, slow
Rush fuel tank 18, gs-oil separator 11 collectively constitutes.12 outlet pressure of frequency conversion oil pump is adjusted to rated pressure by Frequency Converter Control,
Such as 0.58Mpa, Seal Oil is transported in water cooler 15 from leakproof fuel cell 9 with constant pressure, water cooler 15 belongs to surface-type
Heat exchanger cools down Seal Oil by cooling water, and Seal Oil after cooling enters mechanical filter 16 and magnetic filter
17, filtration machinery impurity and magnetisable material respectively, Seal Oil enters in buffer oil tank 18 later, by buffer oil tank 18 again into
Enter the oilhole 30 into test host on sealing bearing bush seat 4, eventually enters by between the wedge shape between test sealing bearing bush 26 and wheel disc 3
Gap.Pressure sensor 14, temperature sensor 5, flow sensor 8 for input pressure during continual test, inlet oil temperature,
Returning-oil temperature, oil inlet flow, return flow.
Compressed air system is used to simulate the operating status of hydrogen in generator hall, the outlet of air compressor 19 successively with sky
Gas pressure reducing valve 21, air cleaner 22, air dryer 23,20 entrance of air accumulator connection, by air reducing valve 21 guarantee into
Enter to the compressed air temperature in air accumulator 20 in rated pressure, such as 0.5Mpa, air cleaner 22 and air dryer 23
For guaranteeing the cleaning drying of compressed air, air accumulator 20 exports the stomata 31 being connected in test host on sealing bearing bush seat 4, uses
The compressed air needed for providing sealing bearing bush test, temperature sensor 5, pressure sensor 14 enter stomata for continuing to monitor
The pressure and temperature of compressed air in 33.Separately there is a branch to be connected to the stomata at 18 top of buffer oil tank, for guaranteeing prominent
So power-off or other in the case of, buffer oil tank can provide the Seal Oil of short time in docking process, avoid damage sealing bearing bush
Or other auxiliary equipments.
Above in conjunction with attached drawing, invention is explained in detail, but the present invention is not limited to examples detailed above, in ability
In the knowledge that the those of ordinary skill in domain has, relevant parameter, changing main-spindle 2, wheel disc 3, not are set by changing
Under the premise of being detached from present inventive concept, the purpose tested different types of sealing bearing bush may be implemented.Description of the invention
In the content that is not described in detail can be used the prior art, such as temperature sensor 5, speed probe 6, vibrating sensor 7,
Flow sensor 8, valve 13, pressure sensor 14, water cooler 15, air reducing valve 21, air cleaner 22, air dryer
23, the product of the prior art can be used in bearing 24.
Claims (1)
1. a kind of generator sealing bearing bush simulated experiment rack, it is characterised in that：Including alternating current generator (1), main shaft (2), wheel disc
(3), sealing bearing bush seat (4), temperature sensor (5), speed probe (6), vibrating sensor (7), flow sensor (8), sealing
Fuel tank (9), electric heater (10), gs-oil separator (11), frequency conversion oil pump (12), valve (13), pressure sensor (14), water cooling
Device (15), mechanical filter (16), magnetic filter (17), buffer oil tank (18), air compressor (19), air accumulator (20), sky
Gas pressure reducing valve (21), air cleaner (22), air dryer (23), bearing (24), coupling sleeve (25), adjustment pad (27),
Key (28), partition (29), oilhole (30), stomata (31), vapour side oil return hole a (32), vapour side oil return hole b (33), hanging pin (34) and
Empty side oil return hole (35), wherein alternating current generator (1) is attached by half around property coupling band, key and main shaft (2), and main shaft (2) is logical
It crosses bolt to be attached with wheel disc (3), the material and size of wheel disc (3) need to be with the generator amature installed by test sealing bearing bush
Material, size are consistent, and jerk value controls within 0.015mm, and wheel disc is built-in to be supported there are two high-precision bearing (24), close
Envelope watt (26) is hung on adjustment pad (27) by hanging pin (34), and is sleeved on wheel disc (3), uses partition among two pieces of sealing bearing bushes
(29) it separates, two pieces of adjustment pads (27) must assure that in parallel, within depth of parallelism 0.02mm；Oil is provided with above sealing bearing bush seat (4)
Hole (30), stomata (31) are circumferentially provided with ten measured holes and pass for mounting temperature sensor (5), speed probe (6), vibration
Sensor (7), lower section are provided with vapour side oil return hole a (32), vapour side oil return hole b (33), and sealing bearing bush seat (4) is bolted on exchange
On motor (1), alternating current generator (1) is attached by bolt and leakproof fuel cell (9)；Leakproof fuel cell (9) is pyramid fuel tank,
Volume is 10m3, tank bottoms are square, and week is bolted in ground base, fuel tank top and alternating current generator (1)
Connection, electric heater (10) are placed in leakproof fuel cell (9) inside, and electric heater (10) is high-intensitive stick electrical heating elements, quantity
It is eight to 12 groups；Gs-oil separator (11) by flanged joint vapour side oil return hole a (32), vapour side oil return hole b (33) with it is close
Between oil sealing case (9)；Frequency conversion oil pump (12) entrance is connected by flange and the outlet of leakproof fuel cell (9) bottom oil circuit, frequency conversion oil pump
(12) outlet is connect by flange with valve (13), and valve (13) other end passes through the oil pipe line entrance of flange and water cooler (15)
It is attached, pressure sensor (14), temperature sensor (5) are threadedly attached among valve (13) and water cooler (15)
On pipeline；Water cooler (15) oil pipe way outlet is connect by flange with mechanical filter (16), and valve (13) is distinguished by flange
The inlet and outlet of water cooler (15) water lines are mounted on, for controlling the discharge of cooling water, and then control the temperature of Seal Oil；It is mechanical
Filter (16) inlet and outlet are connect by flange with valve (13), are passed through after two mechanical filters (16) and valve (13) parallel connection
Flange is connect with water cooler (15) and magnetic filter (17)；Magnetic filter (17) entrance is connect with valve (13) by pipeline and is followed by
Enter in leakproof fuel cell (9), temperature sensor (5), pressure sensor (14) are connected through a screw thread installation magnetic filter (17) below
Pipeline on；Institute's buffer oil tank (18) is cylindrical tube, volume 1m3, installation site is higher than test host, buffer oil tank
(18) bottom is provided with the inlet and outlet of oil circuit, and top is provided with stomata, and buffer oil tank (18) oil circuit import passes through flange and magnetic mistake
The outlet of filter (17) connects, and outlet is connect by flange with the oilhole (30) on sealing bearing bush seat (4), and the stomata at top passes through method
Orchid connect with air accumulator (20)；Temperature sensor (5), flow sensor (8), pressure sensor (14) are installed on buffer oil tank
(18) on oil pipe way outlet and the pipeline of sealing bearing bush seat (4) centre；The air compressor (19) outlet successively with air accumulator
(20), air reducing valve (21), air cleaner (22), air dryer (23) connection, air dryer (23) outlet pass through
Underwater flange is connect with the vapour side oil return hole b (33) on sealing bearing bush seat (4)；Air accumulator (20) is cylindrical tube, volume
0.3m3, two sides have an entrance and exit of compressed air, and air accumulator (20) enters sealing for stablizing air pressure, guarantee
The compressed air pressure in stomata (31) on watt seat (4) is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876673.9U CN208109160U (en) | 2017-12-28 | 2017-12-28 | A kind of generator sealing bearing bush simulated experiment rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876673.9U CN208109160U (en) | 2017-12-28 | 2017-12-28 | A kind of generator sealing bearing bush simulated experiment rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109160U true CN208109160U (en) | 2018-11-16 |
Family
ID=64130277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876673.9U Withdrawn - After Issue CN208109160U (en) | 2017-12-28 | 2017-12-28 | A kind of generator sealing bearing bush simulated experiment rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208109160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731729A (en) * | 2017-12-28 | 2018-11-02 | 江苏核电有限公司 | A kind of generator sealing bearing bush simulated experiment rack |
| CN113624406A (en) * | 2021-08-11 | 2021-11-09 | 河北西柏坡第二发电有限责任公司 | Generator air tightness test device and method for reducing maintenance period of steam turbine set |
-
2017
- 2017-12-28 CN CN201721876673.9U patent/CN208109160U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731729A (en) * | 2017-12-28 | 2018-11-02 | 江苏核电有限公司 | A kind of generator sealing bearing bush simulated experiment rack |
| CN108731729B (en) * | 2017-12-28 | 2023-08-15 | 江苏核电有限公司 | Generator sealing tile simulation experiment bench |
| CN113624406A (en) * | 2021-08-11 | 2021-11-09 | 河北西柏坡第二发电有限责任公司 | Generator air tightness test device and method for reducing maintenance period of steam turbine set |
| CN113624406B (en) * | 2021-08-11 | 2024-01-12 | 河北西柏坡第二发电有限责任公司 | Generator airtight test device and method for reducing overhaul period of turbine unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108731729A (en) | A kind of generator sealing bearing bush simulated experiment rack | |
| CN208109160U (en) | A kind of generator sealing bearing bush simulated experiment rack | |
| KR101475395B1 (en) | a testing device for detecting fault signals of journal bearing | |
| CN105699074B (en) | A kind of blade rotor system fluid structurecoupling dynamic property tester | |
| CN105300681B (en) | A kind of electro spindle temperature and heat distortion test device | |
| CN105372068B (en) | A kind of simulation test shafting torsional vibration of turbo-generator set and the assay device of intensity thereof | |
| CN208999067U (en) | A kind of generator sealing bearing bush experimental rig | |
| CN204984825U (en) | Oil -field flooding pump intelligence diagnosis monitoring device | |
| CN105241668A (en) | Piston type aero-engine test stand | |
| CN205751777U (en) | A kind of transformer combination oil-filtering apparatus of dielectric loss on-line checking | |
| CN204758234U (en) | Thermal power unit vacuum system equipment leak testing system | |
| Qiu et al. | Performance monitoring analysis of liquid ring vacuum pumps | |
| CN207507667U (en) | A kind of disk centrifuge control system | |
| CN107525675A (en) | Horizontal sliding bearing hydraulic system | |
| CN109990987A (en) | A kind of generator sealing bearing bush experimental rig and test method | |
| CN106525430B (en) | A kind of birotor bearing tester experimental cabin | |
| CN208765975U (en) | Expanding machine experimental rig | |
| Lus | Vibro-acoustic methods in marine diesel engines diagnostics | |
| CN201676855U (en) | Large-flow washing system for lubricant pipeline of turbogenerator of power plant | |
| CN207992213U (en) | Lubricating oil high-temp deposition characteristics detect experimental rig and detection pilot system | |
| CN206311334U (en) | A kind of birotor bearing tester experimental cabin | |
| CN206636757U (en) | A kind of test board device | |
| CN115184036A (en) | Turbocharger exhaust brake negative pressure resistance test device and test method | |
| CN203758697U (en) | System for detecting leakage and balance of turbocharger core | |
| CN112834699A (en) | Supercritical carbon dioxide compression circulation test bench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181116 Effective date of abandoning: 20230815 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181116 Effective date of abandoning: 20230815 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |