CN207010502U - HTGR nuclear power factory owner's cooling blower motor of oil lubrication - Google Patents
HTGR nuclear power factory owner's cooling blower motor of oil lubrication Download PDFInfo
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- CN207010502U CN207010502U CN201720570762.4U CN201720570762U CN207010502U CN 207010502 U CN207010502 U CN 207010502U CN 201720570762 U CN201720570762 U CN 201720570762U CN 207010502 U CN207010502 U CN 207010502U
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Abstract
A kind of this new HTGR nuclear power factory owner's cooling blower motor for being related to oil lubrication, is key equipment in HTGR Nuclear Power Plant nuclear power island, is functionally similar to main pump of pressurized water reactor nuclear power plants motor.The upper and lower ends that thrust combination bearing is located at motor stator with lower guide bearing respectively are led on motor, motor support base is located at the lower section of motor.This new rule and mentality of designing for changing Conventional upright motor and being located at guide bearing rectangular structure in thrust bearing, improve vertical machine designing technique, the new design field of high-speed vertical motor has been opened up, has started the beginning of rare lubrication sliding bearing structure high-speed vertical machine.The sliding bearing of thin oil lubricant can also be used in this new proof in large-scale vertical high-speed electric expreess locomotive, improve vertical machine designing technique, the new design field of high-speed vertical motor has been opened up, has started the beginning that large-scale vertical high-speed vertical motor uses thin oil lubricant sliding bearing.Originally it is new to be applied to high-power vertical high-speed motor, it is especially suitable for the main cooling blower motor of HTGR Nuclear Power Plant.
Description
Technical field
Originally it is new to be related to a kind of oil lubrication HTGR nuclear power factory owner's air-cooler motor.
Background technology
Conventional nuclear power plant is used as cooling agent using liquid (water, heavy water or light-water), and cooling medium pump uses power frequency vertical different
Motor driving is walked, motor speed is in the majority with 1500rpm (50Hz power frequency supplies) or 1800rpm (60Hz power frequency supplies).Power frequency is stood
Formula Rotational Speed of Asynchronous Motor is constant and not high, and technical difficulty is small, and the manufacturing is relatively easy to.
The higher HTGR Nuclear Power Plant of security uses Main Coolant of the helium as reactor, passes through blower fan machine
Group makes circulated helium carry out heat exchange.Conventional HTGR belongs to test property, and heap power is smaller, used helium
Air compressor blower motor power is smaller, and rotating speed is relatively low, it is impossible to suitable for the needs of high-power business heap-type.For high-power vertical
Formula high-speed electric expreess locomotive, its bearing uses expensive electromagnetic bearing, although disclosure satisfy that high-revolving needs, its price is high,
Life-span is low, and installation is difficult in maintenance, is unsuitable for producing in batches.
The content of the invention
This new purpose is to provide a kind of high rotating speed, stable, safe, the low oil lubrication high temperature of manufacturing cost
HTGR nuclear power factory owner's cooling blower motor, suitable for the HTGR nuclear power factory owner of the higher oil lubrication of dragging security
Cooling blower motor.Originally new technical scheme is：
A kind of oil lubrication HTGR nuclear power factory owner's cooling blower motor, motor support base is arranged on by stator (5)
(1) on, stator (5) upper and lower ends are installed respectively leads thrust combination bearing (19) and lower guide bearing (2), and rotor (11) is led from above
Thrust combination bearing (19) and lower guide bearing (2) support are located at stator core (10) center, stator outlet box (38) and auxiliary
Outlet box (39) is arranged on stator (5) side, and stator (5) includes out frame (46), stator core (10) and stator winding
(16), stator core (10) is located inside out frame (46), in embedded stator core (10) groove of stator coil (15), stator
Seat (46) is mainly welded by steel plate, and multiple tracks gusset is provided with out frame to improve the rigidity of support and intensity, stator
Iron core (10) is formed by the stator punching of the painting insulated paint pressure that changes, and stator core (10) is fastened to two pieces of ends of out frame shell
Between pressing plate, multiple tracks Radial ventilation duct (6) is distributed with stator core (10), in the welding of stator core (10) outer round surface
Axial rib (7) causes stator to have enough rigidity, and stator core is compressed using iron core top board (13) and by outside stator core
Circle is integrally welded with axial rib, and respectively there are two end hoops (17) at stator winding (16) both ends to fix winding overhang, end hoop (17)
It is made after being welded by stainless steel material further according to isolation specifications wrapping insulating materials, each coil (48) end is carried out with end hoop
Colligation, after impregnated insulating paint drying, there is very high intensity, stator (5) both sides are respectively equipped with a water and air cooler (8),
For cooling down the hot blast that motor internal is produced by boasting, out frame (46) side is equipped with a stator outlet box (38), for connecting
Stator winding lead and feed cable, support (46) side is equipped with auxiliary outlet box (39), and for coupling stator thermometric, bearing is surveyed
The lead of temperature and polarimetric element, rotor core (9) is completely by the full circle silicon steel sheet group of painting varnished insulation into rotor core (9) and axle
(45) it is set in together using interference fit, axially fixed with relieving ring (36) using arc key (37), the torque of motor is by turning
Hot jacket between sub- iron core (9) and axle (45) is tightly measured to transmit, and mouse cage winding is made up of copper bar (12) and end ring (14), copper bar
(12) in the groove of rotor core (9), copper bar (12) welds together with end ring (14), is protected made of high-strength nonmagnetic steel
Ring (15) be fitted in rotor windings end ring (14) it is cylindrical on, be respectively used at rotor core (9) both ends equipped with a balancing frame (35)
Balance weight is placed during rotor dynamic balancing.
On lead the top that circular thrust pad (30) in thrust combination bearing (19) is located at Self-aligning sector guide bearing block (33),
Circular thrust pad (30) is arranged on Self-aligning sector guide bearing block (33) and above led in thrust bearing shell (22), thrust slide rotor
(29) ensured between axle (45) using less tight fit concentric；Combination bearing gear oil pipe (20) and thrust slide rotor
(29) sealed between using top guide bearing sealing ring (21), top guide bearing sealing ring (21) is mounted in combination bearing gear oil pipe
(20) on, and there is enough radial clearances；Top guide bearing sealing ring (21) is embedded in recessed on combination bearing gear oil pipe (20)
In groove, it is fixed on alignment pin (32) on combination bearing gear oil pipe (20), alignment pin (32) can prevent sealing ring from turning with axle
It is dynamic；In bearing upper/lower terminal respectively equipped with first floating seal (28), the second floating seal (34), for preventing bearing oil
Mist of oil in case is leaked to outside, and thrust bearing is moistened with top guide bearing by lubricating oil pipeline (31) and drain line (18)
It is sliding.
Lower leading axle bearing (41) is arranged on out frame (46) by lower guide bearing end cap (42), lower guide shoe block (25)
In lower leading axle bearing (41), the structure between lower guide bearing gear oil pipe (27) and slide rotor (23) is with above leading thrust group
It is identical that sympodium holds (19) structure, is sealed using lower guide bearing sealing ring (26), lower guide bearing sealing ring (26) is embedded in down
In groove on guide bearing gear oil pipe (27), it is fixed on using lower sealing ring alignment pin (24) on gear oil pipe, lower sealing ring positioning
Pin (24) can prevent sealing ring from being rotated with axle, be easy to maintenance, upper and lower two sealing rings are designed into identical size, can be mutual
Change use；The 3rd floating seal (40), the 4th floating seal (44), for preventing are respectively provided with lower guide bearing upper end, lower end
Mist of oil in bearing fuel tank is leaked to outside, and lower guide bearing (2) passes through lower guide bearing in-line (3) and lower guide bearing oil exit pipe
Complete lubrication and cooling in road (4).
Motor support base (1) is located at the lower section of motor body, for support whole motor body and with the Helium fan of lower section
(47) connect, motor support base (1) is mainly welded by steel plate, double-decker is used to improve, between inside and outside two layers of side plate
Multiple tracks reinforcement is set, and out frame (46) is square structure, and blower fan support (49) is circular configuration, and motor support base (1) is with determining
The interface of handset seat (46) connection is square structure, and the interface of motor support base (1) and blower fan support (49) is circular configuration.
Motor stator includes support, stator core and stator winding, and stator core is located at base inner, stator winding insertion
In stator core slot.Support is mainly welded by steel plate, multiple tracks gusset is provided with support come improve the rigidity of support with it is strong
Degree, stator core are formed by the stator punching of the painting insulated paint pressure that changes, and stator core is fastened to two pieces of ends of out frame shell
Multiple tracks Radial ventilation duct is distributed between pressing plate, on stator core, it is fixed to cause in the axial rib of stator core outer round surface welding
Son has enough rigidity, and stator core uses the repeatedly dress method on the basis of support internal diameter to compress, then installs iron core top board,
Then compress and weld again, at the same stator core is cylindrical also integrally welded with axial rib so that and stator has enough rigidity,
Stator winding both ends respectively have two end hoops to fix winding overhang, end hoop welded by stainless steel material after further according to isolation specifications bag
Insulating materials to be pricked to be made, each end turn binds round with end and carries out colligation, after impregnated insulating paint drying, there is very high intensity,
Stator both sides are respectively equipped with a water and air cooler, and for cooling down the hot blast that motor internal is produced by boasting, support side is equipped with one
Individual stator outlet box, it is fixed for coupling equipped with auxiliary outlet box for connecting stator coiling lead and feed cable, support side
The lead of sub- thermometric, measuring temperature of bearing and polarimetric element, rotor core is completely by the full circle silicon steel sheet group of painting varnished insulation into rotor iron
Core is set in together with axle using interference fit, is axially fixed using arc key with relieving ring, the torque of motor passes through rotor core
Hot jacket between axle is tightly measured to transmit, and mouse cage winding is made up of copper bar and end ring, and copper bar is in the groove of rotor core, copper bar
Together with end ring welding, retaining ring made of high-strength nonmagnetic steel be fitted in rotor windings end ring it is cylindrical on.In rotor core
Both ends respectively are used to place balance weight during rotor dynamic balancing equipped with a balancing frame.
On lead the top that circular thrust pad in thrust combination bearing is located at Self-aligning sector guide bearing block, circular thrust pad
Be arranged on Self-aligning sector guide bearing block and above lead in thrust bearing shell, between thrust slide rotor and axle using less tight fit come
Ensure concentric；Sealed between gear oil pipe and thrust slide rotor using top guide bearing sealing ring, top guide bearing sealing ring is mounted in
Keep off on oil pipe, and there is enough radial clearances；Top guide bearing sealing ring is embedded in the groove on gear oil pipe, is consolidated with alignment pin
It is scheduled on gear oil pipe, alignment pin can prevent sealing ring from being rotated with axle；It is respectively close equipped with one first floating in bearing upper/lower terminal
Envelope, the second floating seal, for preventing the mist of oil in bearing fuel tank to be leaked to outside, thrust bearing passes through lubrication with top guide bearing
Oil pipe line and drain line are lubricated.
Lower leading axle bearing is arranged on out frame by lower guide bearing end cap, and lower guide shoe block is arranged on lower leading axle bearing
It is interior, it is identical with above leading thrust combined bearing structure between the gear oil pipe and slide rotor of lower guide bearing, using lower guide bearing sealing ring
Sealed, lower guide bearing sealing ring is embedded in the groove on lower guide bearing gear oil pipe, is fixed using lower sealing ring alignment pin
On gear oil pipe, lower sealing ring alignment pin can prevent sealing ring from being rotated with axle, be easy to maintenance, upper and lower two sealing rings are set
Identical size is counted into, is interchangeable；The 3rd floating seal is respectively provided with lower guide bearing upper end, lower end, the 4th floating is close
Envelope, for preventing the mist of oil in bearing fuel tank to be leaked to outside, lower guide bearing passes through lower guide bearing in-line and lower guide bearing
Drain line completes lubrication and cooling.
Motor support base is located at the lower section of motor body, for supporting whole motor body and connecting with the Helium fan of lower section
Connect, motor support base is mainly welded by steel plate, is used double-decker to improve, is set multiple tracks to add between inside and outside two layers of side plate
Strengthening tendons, out frame are square structure, and blower fan support is circular configuration, and the interface that motor support base is connected with out frame is square
Structure, the interface of motor support base and blower fan support is circular configuration.
HTGR nuclear power factory owner's air-cooler motor of this new offer, is HTGR Nuclear Power Plant nuclear power island
Interior key equipment, it is functionally similar to main pump of pressurized water reactor nuclear power plants motor.To improve the critical speed of motor, this top guide bearing
For Position Design into the lower section of thrust bearing, such a structure is from original, by actual motion in conventional design
Proving, such a structure is effectively improved the critical speed of motor, is computed, and the first critical speed of motor is more than 5200rpm,
So that motor is steady in the vibration of 800~4200r/min operating rotational speed ranges, safety in operation is improved.By optimizing upper bearing (metal)
Sealing ring designs and sealing gland design eliminates the oil leak of upper bearing (metal) room and atomization, and motor operation is stable, in operating rotational speed range, electricity
Machine upper spider maximum velocity 0.45mm/s, 79 μm of rotor amplitude.This new proof also may be used in large-scale vertical high-speed electric expreess locomotive
Using the sliding bearing of thin oil lubricant, vertical machine designing technique is improved, has opened up the new design field of high-speed vertical motor,
The beginning that large-scale vertical high-speed vertical motor uses thin oil lubricant sliding bearing is started.This is new high suitable for high-power vertical
Electric motor with speed, it is especially suitable for the main cooling blower motor of HTGR Nuclear Power Plant.
This new main cooling blower motor of HTGR Nuclear Power Plant being related to solves vertical and high-speed motor because of single order
Critical speed it is low and influence motor oscillating and using thin oil lubricant sliding bearing the problem of, and eliminate motor upper bearing (metal) room leakage
The problem of oil and oil atomization, motor operation is with small vibration, stable performance.This new frontier for having opened up high-speed vertical motor.
Brief description of the drawings
The new oil lubrication HTGR nuclear power factory owner's cooling blower motor of Fig. 1 sheets
The new middle motor of Fig. 2 sheets, which is used, leads thrust combination bearing
The new middle motor of Fig. 3 sheets, which is used, leads thrust combination bearing
Embodiment
Be a kind of oil lubrication HTGR nuclear power factory owner's cooling blower motor as shown in Figure 1, by stator 5, rotor 11,
On to lead thrust combination bearing 19, lower guide bearing 2, cooler 8, motor support base 1, stator outlet box 38 and auxiliary outlet box 39 etc. main
Part is wanted to form.The motor model is YLH4500-2, rated power 4500kW, rated voltage 6.0kV, rated current 515A,
Rated speed 4000r/min, 800~4200r/min of operating rotational speed range, 3 phases, class of insulation H.
Motor stator 5 includes out frame 46, stator core 10 and stator winding 16, and stator core 10 is located at out frame
Inside 46, stator coil 48 is embedded in the groove of stator core 10, and out frame 46 is mainly welded by steel plate, in out frame 46
There is provided multiple tracks gusset to improve the rigidity of support and intensity, and stator core 10 is formed by the stator punching of the painting insulated paint pressure that changes,
Stator core 10 is fastened between two pieces of end clamp plates of out frame shell, and multiple tracks radial ventilation is distributed with stator core 10
Ditch 6, cause stator that there is enough rigidity in the axial rib 7 of the outer round surface of stator core 10 welding, stator core is used with machine
Repeatedly dress method on the basis of seat internal diameter compresses, then installs iron core top board 13, then compresses and weld again, while by stator core
It is cylindrical also integrally welded with axial rib so that stator has enough rigidity, and respectively there are two end hoops 17 at the both ends of stator winding 16
Fixed winding overhang, end hoop 17 are made after being welded by stainless steel material further according to isolation specifications wrapping insulating materials, each coil
48 ends are bound round with end and carry out colligation, after impregnated insulating paint drying, have very high intensity, the both sides of out frame 46 are respectively equipped with
One water and air cooler 8, for cooling down the hot blast that motor internal is produced by boasting, the side of out frame 46 goes out equipped with a stator
Line box 38, for connecting stator coiling lead and feed cable, the side of out frame 46 is equipped with auxiliary outlet box 39, for coupling
The lead of stator thermometric, measuring temperature of bearing and polarimetric element, rotor core 9 completely by painting varnished insulation full circle silicon steel sheet group into, turn
Sub- iron core 9 is set in together with axle 46 using interference fit, is axially fixed using arc key 37 with relieving ring 36, the torque of motor is led to
The hot jacket crossed between rotor core 9 and axle is tightly measured to transmit, and mouse cage winding is made up of copper bar 12 and end ring 14, and copper bar 12, which is mounted in, to be turned
In the groove of sub- iron core 9, copper bar 12 welds together with end ring 14, retaining ring 15 made of high-strength nonmagnetic steel be fitted in rotor around
On group end ring 14 is cylindrical.Balance weight is placed when the both ends of rotor core 9 are respectively used for rotor dynamic balancing equipped with a balancing frame 35.
On lead the top that circular thrust pad 30 in thrust combination bearing 19 is located at Self-aligning sector guide bearing block 33, it is circular
Thrust pad 30 is arranged on Self-aligning sector guide bearing block 33 and above led in thrust bearing shell 22, between thrust slide rotor 29 and axle 45
Ensured with one heart using less tight fit；It is close using top guide bearing between combination bearing gear oil pipe (20) and thrust slide rotor 29
Seal ring 21 is sealed, and top guide bearing sealing ring 21 has enough radial clearances on combination bearing gear oil pipe (20)；
Top guide bearing sealing ring 21 is embedded in the groove on combination bearing gear oil pipe (20), and combination bearing is fixed on alignment pin 32
Keep off on oil pipe (20), alignment pin 32 can prevent sealing ring from being rotated with axle；In bearing upper/lower terminal respectively equipped with one first floating
The 28, second floating seal 34 is sealed, for preventing the mist of oil in bearing fuel tank to be leaked to outside, thrust bearing leads to top guide bearing
Cross lubricating oil pipeline 31 and drain line 18 is lubricated, concrete form is with reference to as shown in Figure 2.
Lower leading axle bearing 41 is arranged on out frame 46 by lower guide bearing end cap 42, and lower guide shoe block 25, which is arranged on down, leads
It is identical with above leading the structure of thrust combination bearing 19 between lower guide bearing gear oil pipe 27 and slide rotor 23 in bearing block 41, under
Guide bearing sealing ring 26 is sealed, and lower guide bearing sealing ring 26 is embedded in the groove on lower guide bearing gear oil pipe 27, is used
Lower sealing ring alignment pin 24 is fixed on gear oil pipe, and lower sealing ring alignment pin 24 can prevent sealing ring from being rotated with axle, to safeguard
It is convenient, upper and lower two sealing rings are designed to identical size, are interchangeable；It is respectively provided with lower guide bearing upper end, lower end
3rd floating seal 40, the 4th floating seal 44, for preventing the mist of oil in bearing fuel tank to be leaked to outside, lower guide bearing 2 is logical
Cross lower guide bearing in-line 3 and complete lubrication and cooling with lower guide bearing drain line 4, concrete form is with reference to as shown in Figure 3.
Motor support base 1 is located at the lower section of motor body, for support whole motor body and with the Helium fan 47 of lower section
Connection, motor support base 1 are mainly welded by steel plate, and double-decker is used to improve, and are set between inside and outside two layers of side plate more
Road reinforcement, out frame 46 are square structure, and blower fan support 43 is circular configuration, and motor support base 1 is connected with out frame 46
Interface be square structure, the interface of motor support base 1 and blower fan support 43 is circular configuration.
Claims (4)
1. a kind of oil lubrication HTGR nuclear power factory owner's cooling blower motor, it is characterized in that：Motor is arranged on by stator (5)
On bearing (1), stator (5) upper and lower ends are installed respectively leads thrust combination bearing (19) and lower guide bearing (2), rotor (11) by
On lead thrust combination bearing (19) and lower guide bearing (2) support is located at stator core (10) center, stator outlet box (38) and auxiliary
Outlet box (39) is helped to be arranged on stator (5) side, stator (5) includes out frame (46), stator core (10) and stator winding
(16), stator core (10) is located inside out frame (46), in embedded stator core (10) groove of stator coil (48), stator
Seat (46) is mainly welded by steel plate, and multiple tracks gusset is provided with out frame to improve the rigidity of support and intensity, stator
Iron core (10) is formed by the stator punching of the painting insulated paint pressure that changes, and stator core (10) is fastened to two pieces of ends of out frame shell
Between pressing plate, multiple tracks Radial ventilation duct (6) is distributed with stator core (10), in the axle of stator core (10) outer round surface welding
Cause stator that there is enough rigidity to rib (7), stator core is compressed and stator core is cylindrical using iron core top board (13)
Integrally welded with axial rib, stator winding (16) both ends respectively have two end hoops (17) to fix winding overhang, end hoop (17) by
It is made after stainless steel material welding further according to isolation specifications wrapping insulating materials, each coil (48) end is tied up with end hoop
Prick, after impregnated insulating paint drying, there is very high intensity, stator (5) both sides are respectively equipped with a water and air cooler (8), use
To cool down the hot blast that motor internal is produced by boasting, out frame (46) side is equipped with a stator outlet box (38), fixed for connecting
Sub- coiling lead and feed cable, out frame (46) side is equipped with auxiliary outlet box (39), for coupling stator thermometric, bearing
The lead of thermometric and polarimetric element, rotor core (9) completely by painting varnished insulation full circle silicon steel sheet group into, rotor core (9) with
Axle (45) is set in together using interference fit, and axially fixed with relieving ring (36) using arc key (37), the torque of motor passes through
Hot jacket between rotor core (9) and axle (45) is tightly measured to transmit, and mouse cage winding is made up of copper bar (12) and end ring (14), copper bar
(12) in the groove of rotor core (9), copper bar (12) welds together with end ring (14), is protected made of high-strength nonmagnetic steel
Ring (15) be fitted in rotor windings end ring (14) it is cylindrical on, be respectively used at rotor core (9) both ends equipped with a balancing frame (35)
Balance weight is placed during rotor dynamic balancing.
2. a kind of oil lubrication HTGR nuclear power factory owner's cooling blower motor according to claim 1, it is characterized in that：
On lead the top that circular thrust pad (30) in thrust combination bearing (19) is located at Self-aligning sector guide bearing block (33), circular thrust
Tile fragment (30) is arranged on Self-aligning sector guide bearing block (33) and above led in thrust bearing shell (22), thrust slide rotor (29) and axle
(45) ensured with one heart using less tight fit between；Used between combination bearing gear oil pipe (20) and thrust slide rotor (29)
Top guide bearing sealing ring (21) is sealed, and top guide bearing sealing ring (21) has on combination bearing gear oil pipe (20)
Enough radial clearances；Top guide bearing sealing ring (21) is embedded in the groove on combination bearing gear oil pipe (20), uses alignment pin
(32) it is fixed on combination bearing gear oil pipe (20), alignment pin (32) can prevent sealing ring from being rotated with axle；It is upper and lower in bearing
Both ends are respectively equipped with first floating seal (28), the second floating seal (34), for preventing the mist of oil in bearing fuel tank from revealing
To outside, thrust bearing is lubricated with top guide bearing by lubricating oil pipeline (31) and drain line (18).
3. a kind of oil lubrication HTGR nuclear power factory owner's cooling blower motor according to claim 1, it is characterized in that：
Lower leading axle bearing (41) is arranged on out frame (46) by lower guide bearing end cap (42), and lower guide shoe block (25), which is arranged on down, leads
In bearing block (41), with above leading thrust combination bearing (19) structure phase between lower guide bearing gear oil pipe (27) and slide rotor (23)
Together, sealed using lower guide bearing sealing ring (26), lower guide bearing sealing ring (26) is embedded in lower guide bearing gear oil pipe (27)
On groove in, using lower sealing ring alignment pin (24) be fixed on gear oil pipe on, lower sealing ring alignment pin (24) can prevent close
Seal ring rotates with axle, is easy to maintenance, upper and lower two sealing rings are designed into identical size, are interchangeable；In lower leading axle
Hold upper end, lower end is respectively provided with the 3rd floating seal (40), the 4th floating seal (44), for preventing the mist of oil in bearing fuel tank
Be leaked to outside, lower guide bearing (2) by lower guide bearing in-line (3) and lower guide bearing drain line (4) complete lubrication with
Cooling.
4. a kind of oil lubrication HTGR nuclear power factory owner's cooling blower motor according to claim 1, it is characterized in that：
Motor support base (1) is located at the lower section of motor body, for supporting whole motor body and being connected with the Helium fan (47) of lower section,
Motor support base (1) is mainly welded by steel plate, is used double-decker to improve, is set multiple tracks to add between inside and outside two layers of side plate
Strengthening tendons, out frame (46) are square structure, and blower fan support (43) is circular configuration, motor support base (1) and out frame (46)
The interface of connection is square structure, and the interface of motor support base (1) and blower fan support (43) is circular configuration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720570762.4U CN207010502U (en) | 2017-05-22 | 2017-05-22 | HTGR nuclear power factory owner's cooling blower motor of oil lubrication |
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| CN201720570762.4U CN207010502U (en) | 2017-05-22 | 2017-05-22 | HTGR nuclear power factory owner's cooling blower motor of oil lubrication |
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| CN207010502U true CN207010502U (en) | 2018-02-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086743A (en) * | 2017-05-22 | 2017-08-22 | 哈尔滨电气动力装备有限公司 | HTGR nuclear power factory owner's cooling blower motor of oil lubrication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086743A (en) * | 2017-05-22 | 2017-08-22 | 哈尔滨电气动力装备有限公司 | HTGR nuclear power factory owner's cooling blower motor of oil lubrication |
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