CN203850963U - Integrated bearing structure for pushing and guiding large thrust of vertical asynchronous motor - Google Patents
Integrated bearing structure for pushing and guiding large thrust of vertical asynchronous motor Download PDFInfo
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- CN203850963U CN203850963U CN201420243666.5U CN201420243666U CN203850963U CN 203850963 U CN203850963 U CN 203850963U CN 201420243666 U CN201420243666 U CN 201420243666U CN 203850963 U CN203850963 U CN 203850963U
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Abstract
The utility model relates to an integrated bearing structure for pushing and guiding large thrust of a vertical asynchronous motor. The integrated bearing structure is composed of five parts that are a thrust bearing part, a guide bearing part, an oil cooling part, a high pressure oil jacking part and an auxiliary part. The integrated bearing structure increases a high pressure oil jacking function, so that the thrust of the vertical asynchronous motor is increased to 280 tons. The integrated bearing structure can rotate forwardly and backwardly, and is for first use in a 36-pole vertical asynchronous motor for a domestic third-generation nuclear power station circulating water pump. When an oil cooler is out of water for 15 minutes, the temperature of a bearing shell and steam turbine oil cannot exceed 80 DEG, and reliability of a thrust system is improved. The integrated bearing structure is provided with a ventilation and filtering device, achieves a sealing class of IP55, and is provided with an oil-mix-water detection device, and a problem that leakage of a water pipe of a traditional oil cooler cannot be found and tackled is solved. The integrated bearing structure is suitable for structural requirements of a thrust system of a vertical asynchronous motor of the third-generation nuclear power large-thrust circulating water pump, and can be widely applied to industries of nuclear power, petrochemical and seawater desalination.
Description
Technical field
The utility model relates to a kind of vertical asynchronous machine high thrust derivation shaft bearing structure.
Background technology
The general thrust of vertical asynchronous machine is less than 50 tons, and number of poles is not more than 24 utmost points, and during electric motor starting, thrust bearing is generally without hydraulic oil jack-up function.Along with the development of three generations's nuclear power technology, System in Large Circulating Water Pump requires 280 tons of gross thrusts, number of poles 30 sextupoles with vertical asynchronous machine, power 7700kW, can rotating, playing a stopping time has hydraulic oil jack-up function, and thrust platform axial deflection when maximum thrust is less than 0.15mm.Require bearing within the cooling water stop supplies time of 15 minutes, bearing shell and turbine oil are no more than temperature rise restriction.The cooling water pipe material of bearing oil cooler is copper-nickel alloy, to meet the running environment of humidity, salt fog.Whether bearing is provided with sensing water content mixed in oil sniffer, to detect oil cooler, leak.Breather filter is set, keeps bearing chamber interior air pressure consistent with external atmosphere pressure, take and meet the specification requirement that motor seal grade is IP55.
Summary of the invention
The purpose of this utility model is to provide a kind of derivation one bearing that bears 280 tons of high thrusts, bearing comprises hydraulic oil jack-up function, and reaching the sealing grade of IP55, in 15 minutes of stopping supplying water at bearing oil cooler especially, bearing shell and turbine oil are no more than safe restriction operating temperature.The technical solution of the utility model: a kind of vertical asynchronous machine high thrust derivation shaft bearing structure, by thrust bearing part, guide bearing part, oil cooling segment, hydraulic oil jack-up part, slave part five parts form, upper bracket (1) is test formula structure, by six roots of sensation stud (21) respectively at upper ring plate (22), middle ring flat-plate (23), lower ring plate (24) and outer ring plate (25) form, outer circular side panel (26) forms bearing chamber (29) sidewall border simultaneously, upper leading axle bearing (2) is placed on upper ring plate (22) stop portion of upper bracket (1), sensing water content mixed in oil sniffer (3), breather filter (4) puts together on respectively on little ring flat-plate (27) screw of upper leading axle bearing (2), the double-deck oil catch of contact insulated type (5) is arranged on upper leading axle bearing (2) top, make bearing meet the requirements of IP55 sealing grade, upper leading axle watt (8) is placed on support pin of spherical end (9) above, support pin of spherical end (9) is placed on upper leading axle bearing (2) inner face and completes location, oil cooler (17) is fixed on the middle ring flat-plate (23) of upper bracket (1), oil liquid level meter (20) communicates with bearing chamber (29) by the adpting flange (28) of outer circular side panel (26), in connection bearing chamber, hydraulic oil jack-up (18) one end (29), get oil, bearing chamber (29) is communicated with high-pressure oil pump (30) and isocon (32), isocon (32) other end is communicated with thrust bearing shoe valve (11), outer circular side panel (26) connects sample connection (31).
The utility model thrust bearing is partly responsible for the thrust support function of integral pump group; Guide bearing is partly responsible for the Horizontal limiting function of pump group axle system; Oil cooler is partly responsible for, by the thermal losses guiding system of thrust bearing and guide bearing friction generation, with safeguards system, being operated within the scope of safe temperature; Hydraulic oil jack-up is partly responsible for jack-up thrust sector when following pump assembly start and stop, to ensure that the oil film of thrust sector reliably sets up; Whether slave part is responsible for detecting oil cooler at bearing indoor water-leakage, in the situation of assurance high sealing grade, ensure bearing internal external air pressure balance, also to be provided with the tubing valve that extracts bearing chamber bottom oil product sample, to regularly detect the quality of turbine oil in bearing chamber simultaneously.
The main system stiffness of being responsible for of thrust bearing part supports.The special six leg test stud structures of upper bracket (1), are effectively controlled the axial deformation of system.Ring key (6) has axial lock fixing limit function, can look for by bull ring key (6) face the throw of axle system simultaneously.Thrust runner (7) is finally passed to upper bracket (1) by the thrust of system and rotor from retransmitting by thrust oil film, thrust runner side opening radial hole, the function that bottom hole has oil pump makes cold oil obtain thrust to form oil circuit, upper hole has the atmospheric effect in thrust runner inside and outside of connection, can suppress the inner turbine oil of thrust runner (7) and swash, thrust runner (7) side doubles as guide bearing slide rotor function.Runner plate (10) is mainly responsible for accepting the thrust loading that thrust runner (7) transmits, setting up 4 road sealing strips (34) with thrust runner (7) contact-making surface simultaneously, to prevent that turbine oil from infiltrating between runner plate (10) and thrust runner (7), by controlling runner plate (10) thickness, make its deformation at busy hour be less than oil film thickness, prevent local dry grinding.Thrust bearing shoe valve (11) is babbit tile structure, covers babbit (ZSnSb11Cu6) on Q235 steel billet; By calculating, control the maximum axial distortion of thrust bearing shoe valve (11) inside and outside circle, to guarantee that oil film sets up smoothly; To consider that in addition thrust bearing shoe valve (11) and upper leading axle watt (8) temperature rise are controlled at 80 ℃ in cooling water breaks 15 minutes, guarantee that babbit (ZSnSb11Cu6) normally works.Stop screw (12) and guide vane end stop (13) carry out radially spacing in thrust bearing shoe valve (11) inner circle and cylindrical to thrust bearing shoe valve (11) respectively, pallet (14) carries out axial limiting to thrust bearing shoe valve (11), when thrust runner (7) lifts 10mm, the guide vane end stop (13) of only dismantling, can extract thrust bearing shoe valve (11) out maintenance easily.The deformation of pallet (14) can be amplified in intensity zone of reasonableness as far as possible, by reducing the rigidity of pallet (14), as far as possible little to guarantee the deformation of thrust bearing shoe valve (11).Pillar screw (15) is born the transmission of thrust and the adjustment function of each thrust bearing shoe valve (11) level height, and its top is provided with the spherical structure that radius is SR1000mm, make its with pallet (14) when contacting, allow small self-adjusting.Thrust metal (16) is mainly responsible for anchor post screw (15), makes thrust loading further be passed to upper bracket (1).Lockplate (19) can anchor post screw (15) height, locking pillar screw (15), makes it cannot axial endplay.
The main radial location of being responsible for axle system of guide bearing part, bears radial load and magnetic pull effect that the remaining imbalance of rotor causes.Upper leading axle bearing (2) is responsible for fixedly upper leading axle watt (8) and support pin of spherical end (9), provides the double-deck oil catch of contact insulated type (5) closing space simultaneously.Upper leading axle watt (8) is also babbit tile structure, covers the thick babbit of 4mm (ZSnSb11Cu6) on steel billet.It is fixing that support pin of spherical end (9) mainly completes upper leading axle watt (8), when equipment adjustment, between guide bearing block (8) and support pin of spherical end (9), can increase adjustment thin slice, and then change spacing value radially.
Oil cooling segment is mainly responsible for the frictional dissipation export function of thrust bearing and guide bearing, this portion also will meet in cooling water stop supplies 15 minutes, and the turbine oil temperature rise in bearing chamber (29) is no more than the stable operation temperature of 80 ℃ of upper leading axle watt (8) and the surperficial babbits of thrust bearing shoe valve (11) (ZSnSb11Cu6); Oil cooler (17) water pipe is used copper-nickel alloy material, with the requirement of shelter of the damp and hot salt environment that is applicable to bordering on the sea; Oil cooler (17) is established double-deck oil-stabilizing plate, can isolate cold and hot oily region, can stabilize swashing of pasta again, and leakage of oil is had to certain inhibitory action.
During the main responsible start and stop of hydraulic oil jack-up part, the oil film of push system is set up smoothly.By hydraulic oil, get oil return line and extract turbine oil from bearing chamber, through high-pressure oil pump (30), be sent to high-pressure oil pipe, high-pressure oil pipe is divided into 8 tunnels in bearing chamber (29), enter respectively corresponding thrust bearing shoe valve (11), to form the lifting oil pressure of 4MPa to 8MPa, system maximum functional oil pressure 14MPa.
The slave part effect that detection, air pressure balance, oil quality detect of being mainly responsible for leaking.At bearing chamber (29), upper cover place is provided with sensing water content mixed in oil sniffer (3), can when oil cooler (17) leak, give the alarm, and to trigger stoppage protection, changes in the past and only by the judgement of oil spill pipe discharge, leaks.Little ring flat-plate (27) in upper leading axle bearing (2) locates to have pore, added breather filter (4) simultaneously, to ensure that whole bearing is inner, communicate with outside atmospheric pressure, suppressing pasta swashes because of air pressure imbalance, the double-deck oil catch of breather filter (4) and contact insulated type (5) makes bearing chamber (29) meet the sealing grade of IP55, reduce the pollution of bearing operation to environment, improved the reliability of bearing arrangement.Oil liquid level meter (20) can detect the whether centre in upper leading axle watt (9) of steam turbine pasta in real time, and with the signal of telecommunication output function of turbine oil liquid level.
The vertical asynchronous machine high thrust derivation shaft bearing structure that the utility model provides, can guarantee in high thrust, in large torque situation, thrust platform has good rigidity and is less than the axial deformation that 0.15mm is small, spacing and the axle that guide bearing can complete is radially throw adjustment, 4MPa to 8MPa hydraulic oil jack-up function is provided when start and stop, to set up smoothly thrust oil film, simultaneously, at the sealing IP55 that guarantees bearing chamber, seal the at present same of grade, also to keep the air pressure of bearing indoor and outdoor to keep balance, oil cooler arranges two-layer oil-stabilizing plate, can further suppress the fluctuation of pasta, reduce leakage of oil risk.The utility model has been broken through low thrust in the past and, without hydraulic oil Circulating water pump electric machine thrust support structure, has been reduced axial span, has opened up large-scale vertical asynchronous machine and has born the new framework of 280T thrust and 14MPa hydraulic oil jack-up.
The vertical asynchronous machine of the high thrust compressional axis two ends step spacing of need to trying one's best is so the utility model upper bracket (1) support section is used test formula structure to improve support section rigidity, as far as possible little to guarantee thrust platform axial deflection; Meanwhile, in order further to compress upper lower guide bearing step spacing, the structure that adopts thrust bearing and guide bearing to unite two into one, the slide rotor that thrust runner (7) outside can be used as top guide bearing is used.System in Large Circulating Water Pump motor adopts asynchronous machine, compares the extra excitation system of synchronous machine, has improved system reliability, and has reduced maintenance difficulties and the frequency of unit.Derivation shaft bearing structure, adjusts the complexity that axle is throw while reducing general assembly, has reduced man-hour; During adjustment, by the ring key (6) on mill thrust bearing, complete, change the loaded down with trivial details mode of in the past grinding insulation board between thrust runner (7) and runner plate (10).The utility model oil cooler cooling water pipe material adopts copper-nickel alloy, possesses humidity, salt fog ability, and upper bracket (1) adopts test structure to improve thrust platform support stiffness.
Accompanying drawing explanation
Fig. 1 vertical asynchronous machine high thrust derivation shaft bearing structure figure of the present utility model
Fig. 2 is the I zoomed-in view of Fig. 1
Fig. 3 is the II zoomed-in view of Fig. 1
Embodiment
Fig. 1 is the vertical asynchronous machine high thrust derivation shaft bearing structure that is applicable to three generations's nuclear power, and top guide bearing and thrust bearing integrated design share cooling oil groove, have improved layout difficulty.This motor model is YLKS7700-36, rated power 7700kW, rated voltage 10kV, rated speed 164r/min, rated frequency 50Hz.
Vertical asynchronous machine high thrust derivation shaft bearing structure, by thrust bearing part, guide bearing part, oil cooling segment, hydraulic oil jack-up part, slave part five parts form, as shown in Figure 1, upper bracket 1 is test formula structure, by six roots of sensation stud 21 respectively at upper ring plate 22, middle ring flat-plate 23, lower ring plate 24 and outer ring plate 25 form, simultaneously outer circular side panel 26 forms bearing chamber 29 sidewall borders, upper leading axle bearing 2 is placed on upper ring plate 22 stop portions of upper bracket 1, sensing water content mixed in oil sniffer 3, breather filter 4 puts together on respectively on little ring flat-plate 27 screws of upper leading axle bearing 2, the double-deck oil catch 5 of contact insulated type is arranged on upper leading axle bearing 2 tops, make bearing meet the requirements of IP55 sealing grade, upper leading axle watts 8 is placed on before support pin of spherical end 9, support pin of spherical end 9 is placed on upper leading axle bearing 2 inner faces and completes location, oil cooler 17 is fixed on the middle ring flat-plate 23 of upper bracket 1, oil liquid level meter 20 communicates with bearing chamber 29 by the adpting flange 28 of outer circular side panel 26, hydraulic oil jack-up is got oil in 18 connection bearing chambers, one end 29, bearing chamber 29 is communicated with high-pressure oil pump 30 and isocon 32, isocon 32 other ends are communicated with thrust bearing shoe valve 11, outer circular side panel 26 connects sample connection 31.
Ring key 6 is that two semi arch keys form, thrust runner 7 is axially locked by ring key 6, thrust runner 7 is radially with two row's screws, thrust runner 7 inside are provided with and prevent from climbing oily groove shunt conduit 33, 10 of thrust runner 7 and runner plates are with 4 road sealing strips 34, on the steel billet of thrust bearing shoe valve 11, cover one deck babbit, as shown in Figure 3, in thrust bearing shoe valve 11, have hydraulic oil oilhole 35 and transition circular oil groove 36, stop screw 12 puts together on thrust metal 16 inboards, 13 of guide vane end stops are fixed in thrust metal 16 outsides, as shown in Figure 2, stop screw 12 and guide vane end stop 13 carry out radially spacing in thrust bearing shoe valve 11 inner circles and cylindrical to thrust bearing shoe valve 11 respectively, 14 pairs of thrust bearing shoe valves of pallet 11 carry out axial limiting, thrust bearing shoe valve 11 bottoms and pillar screw 15 top discs are equipped, 19 pairs of pillar screws of lockplate 15 carry out axial limiting, pillar screw 15 is fixed on thrust metal 16, upper leading axle watts 8 is controlled at 0.15mm with thrust runner 7 side clearance adjustment, oil guiding hole 37 slightly larger in diameter in inner circle gap ratio upper leading axle bearing 2 between two adjacent upper leading axles watts 8, little ring flat-plate 27 places in upper leading axle bearing 2 have pore, at little ring flat-plate 27, added breather filter 4 simultaneously.
Upper bracket 1 by six studs 21 and upper ring plate plate 22, in ring flat-plate 23, lower ring plate 24 and outer ring plate 25 be welded, in its lower ring plate 24 test out frames.Ring key 6 consists of two semicircular ring, and through bolt, itself and 7 of thrust runners is tight, ring key 6 has completed limitation locking by the groove of motor shaft.Thrust runner 7 adopts micro-interference fit with motor shaft, by round key and axle, complete coordinating of transmitting torque simultaneously, thrust runner 7 sides keep higher fineness to reach the effect of slide rotor, radially open two rounds simultaneously, bottom is circumferentially with 12 screws, to make itself and runner plate 10 by bolt handle tightly, inside is provided with and prevents from climbing oily groove.Runner plate 10 is opened four sealed grooves with thrust runner 7 contact-making surfaces, puts into 4 road sealing strips 34, to stop turbine oil to enter both contact-making surfaces in groove.As shown in Figure 2, stop screw 12 and guide vane end stop 13 carry out respectively radially spacing to thrust bearing shoe valve 11 at thrust bearing shoe valve 11 inner circles and cylindrical, and 14 pairs of thrust bearing shoe valves of pallet 11 carry out axial limiting.Thrust bearing shoe valve 11 is babbit (ZSnSb11Cu6) layer above, to set up lubricating oil film.Thrust bearing shoe valve 11 downside placement trays 14, by thickness and the spill size of choose reasonable pallet 14, to guarantee that its rigidity value is less than thrust bearing shoe valve 11, reduce the deformation of thrust bearing shoe valve 11; Pallet 14 recessings below, and make cure process.The sphere that pillar screw 15 tops are SR1000mm, and make cure process, to coordinate with pallet 14 recessings below, its hardness number is more bigger than pallet 14.The responsible anchor post screw 15 of thrust metal 16 completes radially spacing, by lockplate 19, completes pillar screw 15 axial limitings, through thrust metal 16, the thrust of system is further passed to upper bracket 1.
As shown in Figure 1, guide bearing is partly that the double-deck oil catch 5 of upper leading axle bearing 2, contact insulated type, upper leading axle watts 8, support pin of spherical end 9 form.Upper leading axle bearing 2 is welded by six roots of sensation triangle stud and bearing race, the little ring flat-plate 27 of upper leading axle bearing 2 is circumferentially opened four air vent holes, make the double-deck oil catch 5 of bearing internal gas pressure and contact insulated type keep balance with interior air pressure, at little ring flat-plate 27, set up two seals bar with upper bracket 1 contact position simultaneously.Support pin of spherical end 9 be placed on upper leading axle bearing 2 on lead on tray, and with four bolts, it is tight.Upper leading axle watts 8 is placed according to support pin of spherical end 9 positions, to limit axle radial position.The double-deck oil catch 5 of contact insulated type is arranged on respectively in upper leading axle bearing 2, and places sealing strip at place, composition surface.
Oil cooling segment mainly consists of oil cooler 17 and subsidiary conduit thereof.16 cushion blocks of spot welding on the middle ring flat-plate 23 of upper bracket 1, cushion block is provided with twice annular angle bar frame, and the axial arranged White Copper Tubes of support, is provided with cylinder manifold in bracket end, finally by cylinder manifold, draws respectively water inlet pipe and outlet pipe.Middle part and top at oil cooler 17 are provided with twice oil-stabilizing plate, and plug-in type oil baffle plate has been designed in the neutral area between the both sides cylinder manifold of oil cooler 17, to prevent that turbine oil from directly flowing away without cooler heat exchange.
Hydraulic oil jack-up part mainly consists of hydraulic oil jack-up 18 and subsidiary pipeline.In upper bracket 1, draw and get oil-piping at ring flat-plate place, and through external high pressure oil pump, hydraulic oil is sent into oil inlet pipe, and oil inlet pipe is through the high pressure oilhole of circulating line difference input in parallel thrust bearing shoe valve 11.
Slave part mainly consists of sensing water content mixed in oil sniffer 3, breather filter 4, oil liquid level meter 20.On the little ring flat-plate 27 of upper leading axle bearing 2, open three sealing thread holes, one is closed 3, two of sensing water content mixed in oil sniffers for handle and closes breather filter 4 for handle.The end of probe of mixed water sniffer 3 is goed deep into bottom in the interior turbine oil of bearing chamber, to detect turbine oil, whether contains cooling water.Breather filter 4 inside arrange double-side filtering net, to guarantee solid, liquid contamination bearing chamber, can open strainer cover simultaneously, directly add turbine oil, reduce maintenance difficulties, in the outer circular side panel 26 of upper bracket 1, be provided with adpting flange 28, oil liquid level meter 20 is connected with adpting flange 28, guarantees that liquid level gauge 20 center lines are consistent with upper leading axle watt 8 center lines.
Claims (2)
1. a vertical asynchronous machine high thrust derivation shaft bearing structure, it is characterized in that: by thrust bearing part, guide bearing part, oil cooling segment, hydraulic oil jack-up part, slave part five parts form, upper bracket (1) is test formula structure, by six roots of sensation stud (21) respectively at upper ring plate (22), middle ring flat-plate (23), lower ring plate (24) and outer ring plate (25) form, outer circular side panel (26) forms bearing chamber (29) sidewall border simultaneously, upper leading axle bearing (2) is placed on upper ring plate (22) stop portion of upper bracket (1), sensing water content mixed in oil sniffer (3), breather filter (4) puts together on respectively on little ring flat-plate (27) screw of upper leading axle bearing (2), the double-deck oil catch of contact insulated type (5) is arranged on upper leading axle bearing (2) top, make bearing meet the requirements of IP55 sealing grade, upper leading axle watt (8) is placed on support pin of spherical end (9) above, support pin of spherical end (9) is placed on upper leading axle bearing (2) inner face and completes location, oil cooler (17) is fixed on the middle ring flat-plate (23) of upper bracket (1), oil liquid level meter (20) communicates with bearing chamber (29) by the adpting flange (28) of outer circular side panel (26), in connection bearing chamber, hydraulic oil jack-up (18) one end (29), get oil, bearing chamber (29) is communicated with high-pressure oil pump (30) and isocon (32), isocon (32) other end is communicated with thrust bearing shoe valve (11), outer circular side panel (26) connects sample connection (31).
2. a kind of vertical asynchronous machine high thrust derivation shaft bearing structure according to claim 1, it is characterized in that: ring key (6) is that two semi arch keys form, thrust runner (7) is axially locked by ring key (6), thrust runner (7) is radially with two row's screws, thrust runner (7) inside is provided with and prevents from climbing oily groove shunt conduit (33), between thrust runner (7) and runner plate (10) with 4 road sealing strips (34), on the steel billet of thrust bearing shoe valve (11), cover one deck babbit, in thrust bearing shoe valve (11), have hydraulic oil oilhole (35) and transition circular oil groove (36), stop screw (12) puts together on thrust metal (16) inboard, guide vane end stop (13) is fixed in thrust metal (16) outside, stop screw (12) and guide vane end stop (13) carry out radially spacing in thrust bearing shoe valve (11) inner circle and cylindrical to thrust bearing shoe valve (11) respectively, pallet (14) carries out axial limiting to thrust bearing shoe valve (11), thrust bearing shoe valve (11) bottom and pillar screw (15) top disc are equipped, lockplate (19) carries out axial limiting to pillar screw (15), pillar screw (15) is fixed on thrust metal (16), upper leading axle watt (8) is controlled at 0.15mm with thrust runner (7) side clearance adjustment, oil guiding hole (37) slightly larger in diameter in inner circle gap ratio upper leading axle bearing (2) between adjacent two upper leading axles watt (8), little ring flat-plate (27) in upper leading axle bearing (2) locates to have pore, at little ring flat-plate (27), added breather filter (4) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243666.5U CN203850963U (en) | 2014-05-13 | 2014-05-13 | Integrated bearing structure for pushing and guiding large thrust of vertical asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243666.5U CN203850963U (en) | 2014-05-13 | 2014-05-13 | Integrated bearing structure for pushing and guiding large thrust of vertical asynchronous motor |
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| Publication Number | Publication Date |
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| CN203850963U true CN203850963U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243666.5U Withdrawn - After Issue CN203850963U (en) | 2014-05-13 | 2014-05-13 | Integrated bearing structure for pushing and guiding large thrust of vertical asynchronous motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009578A (en) * | 2014-05-13 | 2014-08-27 | 哈尔滨电气动力装备有限公司 | High-thrust pushing-guiding integrated bearing structure of vertical type asynchronous motor |
| CN105003528A (en) * | 2015-07-24 | 2015-10-28 | 哈尔滨电气动力装备有限公司 | Linkage type self-balancing water-lubricated thrust bearing |
| CN109372764A (en) * | 2018-12-03 | 2019-02-22 | 东方电气集团东方汽轮机有限公司 | A kind of multiple working medium axial admission axial-flow compressor |
| CN115208112A (en) * | 2022-07-11 | 2022-10-18 | 苏州巨能发电配套设备有限公司 | Thrust bearing adjusting device of large vertical motor and upper shell |
-
2014
- 2014-05-13 CN CN201420243666.5U patent/CN203850963U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009578A (en) * | 2014-05-13 | 2014-08-27 | 哈尔滨电气动力装备有限公司 | High-thrust pushing-guiding integrated bearing structure of vertical type asynchronous motor |
| CN105003528A (en) * | 2015-07-24 | 2015-10-28 | 哈尔滨电气动力装备有限公司 | Linkage type self-balancing water-lubricated thrust bearing |
| CN109372764A (en) * | 2018-12-03 | 2019-02-22 | 东方电气集团东方汽轮机有限公司 | A kind of multiple working medium axial admission axial-flow compressor |
| CN115208112A (en) * | 2022-07-11 | 2022-10-18 | 苏州巨能发电配套设备有限公司 | Thrust bearing adjusting device of large vertical motor and upper shell |
| CN115208112B (en) * | 2022-07-11 | 2023-10-27 | 苏州巨能发电配套设备有限公司 | Large-scale vertical motor thrust bearing adjusting device and upper casing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160309 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |