CN110289737B - Generator bearing bush protection device - Google Patents
Generator bearing bush protection device Download PDFInfo
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- CN110289737B CN110289737B CN201910744607.3A CN201910744607A CN110289737B CN 110289737 B CN110289737 B CN 110289737B CN 201910744607 A CN201910744607 A CN 201910744607A CN 110289737 B CN110289737 B CN 110289737B
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- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000001012 protector Effects 0.000 claims 3
- 238000000034 method Methods 0.000 description 8
- 230000005484 gravity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a protection device for a bearing bush of a generator, and belongs to the field of auxiliary devices of generators. A protection device for a bearing bush of a generator comprises an axial fixing device, a bearing device and a rotor fixing device, wherein the axial fixing device is used for limiting axial movement of the rotor. The invention plays a role in protecting the bearing bush of the generator during the whole hoisting and transportation of the generator, can be applied to generator sets of various types, can provide safe, simple and reliable fixation, and is convenient to use.
Description
Technical Field
The invention relates to the field of auxiliary devices of generators, in particular to a protection device for a bearing bush of a generator, which is designed for ensuring the bearing bush and a rotor during integral hoisting and transportation of a stator and a rotor of the generator.
Background
Because of the structural characteristics of the combustion turbine generator, the whole turbine delivery is usually carried out, namely, a rotor penetrates into a stator, various parameters are adjusted, and other parts are assembled and delivered together. However, since the rotor is still in a free state in the bearing seat, the bearing bush not only bears the gravity of the rotor, but also inevitably has impact force and friction force in the transportation process. In the hoisting or transportation process, the interaction between the rotor and the stator can cause damage to the bearing bush and other product components, and the product quality is difficult to ensure. In the prior art, the delivery mode is to weld a U-shaped structure by using angle steel for fixing the axial movement of the rotor, but the bearing bush still bears the whole weight of the rotor and is easy to damage in the transportation process, so that a generator bush shaft protection device is needed urgently.
Disclosure of Invention
In order to solve the technical problems, the invention provides the generator bearing bush protection device which is convenient to operate, can effectively fix the rotor, prevents the rotor from colliding with other parts in the transportation process, is convenient to detach, and is safe and reliable.
In order to solve the technical problems, the invention adopts the following technical scheme:
A generator bushing shield apparatus comprising
An axial fixing device for limiting the axial movement of the rotor,
A bearing device for fixing the rotor;
One end of the axial fixing device is connected with the rotor coupler, and the other end of the axial fixing device is connected with the bearing device or the bearing seat;
The bearing device comprises an upper fixing plate, a fixing flange, a fixing block, a bearing flange, a limit screw, a locking device and a second pull rod; the utility model provides a bearing flange, including bearing frame, fixed flange, locating screw, fixed flange, upper fixed plate locates fixed flange's U type opening part for fixed rotor, two fixed blocks set up on fixed flange relatively, be equipped with the ascending, U type of opening form's bearing flange between two fixed blocks, the both sides of bearing flange realize the connection fastening with the fixed block through locking device, bearing flange on be equipped with the spout, realize the adjustment of bearing flange in fixed flange upper and lower position with the spacer screw cooperation, vertically be equipped with the second pull rod on two fixed blocks for the upper and lower position of adjustment bearing flange and taut rotor.
According to a further technical scheme, the fixed flange is provided with a lifting bar for lifting, installing and detaching the device.
Further technical scheme is equipped with the horizontal pole between the top of two second pull rods, and the length of second pull rod is higher than bearing frame one end.
Further technical scheme, the fixed block include perpendicular piece, the horizontal perpendicular horizontal piece that is equipped with perpendicular piece centre department, the bottom of perpendicular piece be equipped with first mounting hole, locking device passes first mounting hole and the side of bearing flange links to each other, horizontal piece on be equipped with the second mounting hole, the bottom of second pull rod passes the second mounting hole, links to each other with the top screw thread of bearing flange.
According to a further technical scheme, the locking device is matched with a bolt and a nut.
Further technical scheme, the both sides face of last fixed plate and mounting flange's U type open-ended opening part inner wall laminating, its bottom is the semi-circular arc form of undercut, with the laminating of the outer lane of rotor.
Further technical scheme, axial fixing device include first pull rod, nut, U type gasket, thick packing ring, one end of first pull rod pass nut, U type gasket, the through-hole on the rotor shaft coupling in proper order, U type gasket, thick packing ring, nut realize the fastening of rotor shaft coupling, the other end of first pull rod is opened threaded, links to each other with the mounting hole on load-bearing device or the rotor bearing frame.
According to a further technical scheme, the axial fixing device comprises a transverse plate, a first bolt, a first pull rod, a nut, a gasket and a thick gasket; the two ends of the transverse plate are respectively provided with a first through hole, and the transverse plate is provided with a second through hole corresponding to the through hole on the rotor coupler;
the first bolt sequentially passes through the gasket, the second through hole, the through hole on the rotor coupler, the eccentric gasket, the thick gasket and the nut to fasten the transverse plate and the rotor coupler;
One end part of the first pull rod sequentially passes through the nut, the gasket, the first through hole on the transverse plate, the gasket and the nut to fasten the transverse plate, and the other end part of the first pull rod is provided with threads and is connected with the mounting hole on the rotor bearing seat.
According to a further technical scheme, the outer ring of the end part of the first pull rod, which is close to the bearing device or the bearing seat, is provided with a tangential surface matched with the spanner, so that the pull rod is convenient to assemble and disassemble.
According to a further technical scheme, a plurality of mounting holes are formed in the outer side edge of the fixing flange, the mounting holes correspond to threaded holes in the bearing seat, and the fixing flange is connected with the bearing seat through bolts.
Advantageous effects
Compared with the prior art, the invention has the following remarkable advantages:
1. The main body part fixing flange of the bearing support part, namely the bearing device, is directly arranged on the bearing seat of the generator by adopting a large U-shaped plate and is used for playing a main role in fixing the bearing part, the outer circle of the fixing flange is the same as the size of the cover plate of the bearing seat, and the existing threaded holes on the bearing seat can be directly utilized without additional punching. The bearing flange is a main part for bearing the gravity of the rotor, is of a U-shaped structure, is convenient to mount and dismount, and is mounted on the fixing flange through a second pull rod and two fixing blocks.
2. The second pull rod is arranged on the fixed block, the bottom of the pull rod is in threaded connection with the top of the bearing flange, and the purpose of lifting the bearing flange is achieved by rotating the second pull rod. The locking bolts and nuts on the two sides are matched to realize left and right adjustment of the bearing flange, control the left and right clearance between the rotor and the bearing bush and lock. The fixed block is provided with a limit to the bearing flange in a horizontal direction, so that the bearing flange can only move along the direction of the rotor gravity, and unnecessary stress is avoided.
3. When the rotor is pulled up, the second pull rods at two sides of the bearing flange are rotated simultaneously to tighten the rotor, the rotor is lifted up (0.05-0.15 mm) at the end faces of the bearing seats at two ends by a small extent, the bottom of the rotor is kept at a distance from the inner circular surface of the bearing bush, the bearing flange is locked by bolts at two sides of the fixing block, and meanwhile, the two sides of the rotor can be kept at a distance from the inner circular surface of the bearing bush by adjusting bolts at two ends. Because all structures are U-shaped structures, a certain space is reserved above the device after the rotor is tensioned, and the inside of the bearing seat is ensured to be clean, so that after the rotor is tensioned, a fixing plate is arranged for limiting the rotor and playing a role of a dustproof baffle plate.
4. And the tops of the two second pull rods are welded with a cross rod, so that the second pull rods are prevented from loosening in the transportation process. Therefore, when the stator and the rotor of the generator are integrally hoisted and transported, the bearing bush does not bear the gravity, impact force and friction force of the rotor, and the product quality is ensured.
5. The invention plays a role in protecting the bearing bush of the generator during the whole hoisting and transportation of the generator, can be applied to generator sets of various types, can provide safe, simple and reliable fixation, and is convenient to use. The limiting and fixing structure is reasonable and ingenious in design, the structure of the unit is utilized, an ideal fixing state is achieved, product drawings are not modified, and manufacturing cost is saved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of an axial fixation device;
fig. 3 is a front view of the load bearing apparatus;
fig. 4 is a perspective view of a load bearing apparatus;
FIG. 5 is a second schematic diagram of the structure of the present invention;
Fig. 6 is a schematic structural view of the axial fixing device.
The marks in the figure: the axial fixing device 1, the bearing device 2, the rotor 3, the bearing seat 4, the nut 5, the U-shaped gasket 6, the thick gasket 7, the first pull rod 8, the threads 9, the tangential surface 10, the through hole 11 on the rotor coupler, the upper fixing plate 12, the fixing flange 13, the fixing block 14, the bearing flange 15, the limit screw 16, the locking device 17, the second pull rod 18, the sliding chute 19, the lifting bar 20, the cross rod 21, the cross plate 22, the first bolt 23, the gasket 24, the first through hole 25, the second through hole 26, the eccentric gasket 27, the vertical block 1401, the transverse block 1402, the first mounting hole 1403 and the second mounting hole 1404.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples.
Example 1
As shown in fig. 1-4, a generator bushing shield apparatus includes
An axial fixing device 1 for limiting the axial movement of the rotor 3,
A bearing device 2 for fixing the rotor 3; the axial and circumferential movement of the rotor is prevented in the transportation process by compressing and increasing friction force, and the bearing seats at the two ends of the steam and the excitation are provided with the structure. The two sides of the generator are respectively connected with the steam turbine and the exciter, one side connected with the steam turbine is called a steam end, and the side close to the exciter is called an exciting end (one end of a general coupling is a steam end, and the other end is an exciting end).
One end of the axial fixing device 1 is connected with the rotor coupler, and the other end of the axial fixing device is connected with the bearing device 2;
The bearing device comprises an upper fixing plate 12, a fixing flange 13, a fixing block 14, a bearing flange 15, a limit screw 16, a locking device 17 and a second pull rod 18; the fixed flange 13 is a U-shaped plate with an upward opening, and is fixed on the end face of the bearing seat 4, the upper fixed plate 12 is arranged at the U-shaped opening of the fixed flange 13 and is used for fixing the rotor 3, the two fixed blocks 14 are oppositely arranged on the fixed flange 13, an upward-opening U-shaped bearing flange 15 is arranged between the two fixed blocks 14, the two sides of the bearing flange 15 are fastened with the fixed blocks 14 through a locking device 17, a sliding groove 19 is arranged on the bearing flange 15, the sliding groove is matched with a limit screw 16 to realize the adjustment of the upper and lower positions of the bearing flange 15 on the fixed flange 13, and a second pull rod 18 is vertically arranged on the two fixed blocks 14 and is used for adjusting the upper and lower positions of the bearing flange 15 and tensioning the rotor 3.
The upper fixing plate is used for fixing the rotor above, limiting the rotor to move and playing a role of a dustproof baffle plate, and the fixing flange is fixed on the end face of the bearing seat and used for fixing the whole tool. The fixed block is used for fixing the second pull rod, limiting the movement of the second pull rod and playing a supporting role simultaneously, and when the rotor is tensioned, the fixed block limits the up-and-down displacement of the pull rod, so that the rotor can be tensioned. The bearing flange mainly bears the gravity of the rotor, and a red copper backing plate can be additionally arranged on the contact surface of the bearing flange and the rotor for protecting the rotor and avoiding the rotor from scratching the surface.
The limiting screw is used for limiting the moving range of the bearing flange, and simultaneously, after the rotor is tensioned, the limiting screw is suspended, so that the effect of fixedly locking the bearing flange is also achieved. After the rotor is tensioned, the locking device locks the bearing flange, so that the bearing flange is prevented from loosening, and the state of the tensioned rotor is ensured.
The fixed flange 13 is provided with a lifting bar 20 for lifting, installing and detaching the device.
A cross bar 21 is arranged between the tops of the two second pull rods 18, and the length of each second pull rod is higher than one end of the bearing seat. The second pull rod is used for changing the position of the bearing flange and tensioning the rotor. Because the length of the device is higher than one end of the bearing seat, the device is convenient for operators to carry out corresponding loading and unloading operations because the device is close to the outer surface of the bearing seat. After the second pull rod is hung, a cross rod is welded at the end part of the second pull rod, so that the pull rod is prevented from loosening in the transportation process.
The fixed block 14 comprises a vertical block 1401 and a horizontal block 1402 which is horizontally and vertically provided with the middle part of the vertical block 1401, a first mounting hole 1403 is formed in the bottom of the vertical block 140, the locking device 17 penetrates through the first mounting hole 1403 to be connected with the side face of the bearing flange 15, a second mounting hole 1404 is formed in the horizontal block 1402, and the bottom of the second pull rod penetrates through the second mounting hole to be connected with the top thread of the bearing flange.
The locking device 17 is matched with a bolt and a nut.
The two side surfaces of the upper fixing plate 12 are attached to the inner wall of the U-shaped opening of the fixing flange 13, and the bottom of the upper fixing plate is in a semicircular arc shape which is recessed upwards and attached to the outer ring of the rotor.
The axial fixing device 1 comprises a first pull rod 8, a nut 5, a U-shaped gasket 6 and a thick gasket 7, wherein one end part of the first pull rod 8 sequentially penetrates through the nut 5, the U-shaped gasket 6, a through hole 11 on a rotor coupler, the U-shaped gasket 6, the thick gasket 7 and the nut 5 to fasten the rotor coupler, and the other end part of the first pull rod 8 is provided with a thread 9 and is connected with a bearing device 2 or a mounting hole of the rotor bearing seat 4. The pull rod and the U-shaped gasket are fixed by the nuts, and the two nuts are adopted to prevent loosening. And the U-shaped gasket is used for fixing the rotor coupler, and the U-shaped opening of the U-shaped gasket is convenient to install. The thick washer is used for compensating the distance of the counter bore of the coupler, and is convenient for screwing the inner side nut. The principle of the axial fixing device is that a rotor coupler is fixed through a first pull rod, a nut and an opening gasket (the outer diameter of the nut is smaller than the aperture of the coupler, and the outer diameter of the opening gasket is larger than the aperture of the coupler), one end of the first pull rod is fixed on a bearing flange, the distance between the coupler and a bearing seat is fixed through adjusting the position of the nut, and the rotor coupler is locked and anti-loose through two nuts.
The outer ring of the end part of the first pull rod 8, which is close to the bearing device 2 or the bearing seat 4, is provided with a tangential surface 10 matched with a spanner, so that the first pull rod is convenient to assemble and disassemble. The other end of the first pull rod 8 is connected with a mounting hole of a bearing flange 15 of the bearing device 2.
The outer side edge of the fixed flange 13 is provided with a plurality of mounting holes corresponding to the threaded holes on the bearing seat, and the fixed flange is connected with the bearing seat through bolts.
Example 2
As shown in fig. 3-6, a generator bushing shield apparatus includes
An axial fixing device 1 for limiting the axial movement of the rotor 3,
A bearing device 2 for fixing the rotor 3; the axial and circumferential movement of the rotor is prevented in the transportation process by compressing and increasing friction force, and the bearing seats at the two ends of the steam and the excitation are provided with the structure.
One end of the axial fixing device 1 is connected with the rotor coupler, and the other end of the axial fixing device is connected with the bearing seat 4;
The bearing device comprises an upper fixing plate 12, a fixing flange 13, a fixing block 14, a bearing flange 15, a limit screw 16, a locking device 17 and a second pull rod 18; the fixed flange 13 is a U-shaped plate with an upward opening, and is fixed on the end face of the bearing seat 4, the upper fixed plate 12 is arranged at the U-shaped opening of the fixed flange 13 and is used for fixing the rotor 3, the two fixed blocks 14 are oppositely arranged on the fixed flange 13, an upward-opening U-shaped bearing flange 15 is arranged between the two fixed blocks 14, the two sides of the bearing flange 15 are fastened with the fixed blocks 14 through a locking device 17, a sliding groove 19 is arranged on the bearing flange 15, the sliding groove is matched with a limit screw 16 to realize the adjustment of the upper and lower positions of the bearing flange 15 on the fixed flange 13, and a second pull rod 18 is vertically arranged on the two fixed blocks 14 and is used for adjusting the upper and lower positions of the bearing flange 15 and tensioning the rotor 3.
The fixed flange 13 is provided with a lifting bar 20 for lifting, installing and detaching the device.
A cross bar 21 is arranged between the tops of the two second pull rods 18, and the length of each second pull rod is higher than one end of the bearing seat.
The fixed block 14 comprises a vertical block 1401 and a horizontal block 1402 which is horizontally and vertically provided with the middle part of the vertical block 1401, a first mounting hole 1403 is formed in the bottom of the vertical block 140, the locking device 17 penetrates through the first mounting hole 1403 to be connected with the side face of the bearing flange 15, a second mounting hole 1404 is formed in the horizontal block 1402, and the bottom of the second pull rod penetrates through the second mounting hole to be connected with the top thread of the bearing flange.
The locking device 17 is matched with a bolt and a nut.
The two side surfaces of the upper fixing plate 12 are attached to the inner wall of the U-shaped opening of the fixing flange 13, and the bottom of the upper fixing plate is in a semicircular arc shape which is recessed upwards and attached to the outer ring of the rotor.
The axial fixing device 1 comprises a transverse plate 22, a first bolt 23, a first pull rod 8, a nut 5, a gasket 24, a thick gasket 7 and an eccentric gasket 27; the two ends of the transverse plate 22 are respectively provided with a first through hole 25, and the transverse plate 22 is provided with a second through hole 26 corresponding to the through hole on the rotor coupler;
the first bolt 23 sequentially passes through the washer 24, the second through hole 26, the through hole 11 on the rotor coupler, the eccentric washer 27, the thick washer 7 and the nut 5 to fasten the transverse plate 22 and the rotor coupler;
one end part of the first pull rod 8 sequentially passes through the nut 5, the gasket 24, the first through hole 25 on the transverse plate, the gasket 24 and the nut 5 to fasten the transverse plate 22, and the other end part of the first pull rod 8 is provided with a thread 9 which is connected with a mounting hole on the rotor bearing seat 4.
The cross plate is used for limiting the rotor. The bolt is used for connecting the diaphragm plate and the rotor coupler. The washers are used to increase the bearing area of the bolt ends. The eccentric washer is used for compensating the position difference between the hole on the plate and the coupling hole. The thick washer is used for compensating the distance of the counter bore of the coupler, and is convenient for screwing the inner side nut. Nuts on the bolts are used for fixing the coupler and the transverse plate, and two nuts are used for preventing looseness. The nut on the first pull rod is used for adapting the distance between the transverse plate and the bearing seat, and two nuts are adopted on two sides of the nut to prevent loosening. The first pull rod is used for fixing the transverse plate and the bearing seat.
The outer ring of the end part of the first pull rod 8, which is close to the bearing device 2 or the bearing seat 4, is provided with a tangential surface 10 matched with a spanner, so that the first pull rod is convenient to assemble and disassemble. The other end of the first pull rod 8 is connected with a mounting hole of a bearing flange 15 of the bearing device 2.
The outer side edge of the fixed flange 13 is provided with a plurality of mounting holes corresponding to the threaded holes on the bearing seat, and the fixed flange is connected with the bearing seat through bolts.
Claims (8)
1. The utility model provides a generator axle bush protector which characterized in that includes
An axial fixing device for limiting the axial movement of the rotor,
A bearing device for fixing the rotor;
One end of the axial fixing device is connected with the rotor coupler, and the other end of the axial fixing device is connected with the bearing device or the bearing seat;
The bearing device comprises an upper fixing plate, a fixing flange, a fixing block, a bearing flange, a limit screw, a locking device and a second pull rod; the fixed flange is a U-shaped plate with an upward opening and is fixed on the end face of the bearing seat, the upper fixed plate is arranged at the U-shaped opening of the fixed flange and is used for fixing the rotor, two fixed blocks are oppositely arranged on the fixed flange, an upward-opening U-shaped bearing flange is arranged between the two fixed blocks, the two sides of the bearing flange are connected and fastened with the fixed blocks through a locking device, a sliding groove is formed in the bearing flange and is matched with a limit screw to realize the adjustment of the upper and lower positions of the bearing flange, and a second pull rod is vertically arranged on the two fixed blocks and is used for adjusting the upper and lower positions of the bearing flange and tensioning the rotor;
The axial fixing device comprises a first pull rod, a nut, a U-shaped gasket and a thick gasket, wherein one end part of the first pull rod sequentially penetrates through the nut, the U-shaped gasket, a through hole on the rotor coupler, the U-shaped gasket, the thick gasket and the nut to fasten the rotor coupler, and the other end part of the first pull rod is provided with threads and is connected with a mounting hole on the bearing device;
Or the axial fixing device comprises a transverse plate, a first bolt, a first pull rod, a nut, a gasket and a thick gasket, wherein the two ends of the transverse plate are respectively provided with a first through hole, the transverse plate is provided with a second through hole corresponding to the through hole on the rotor shaft coupling, the first bolt sequentially passes through the gasket, the second through hole, the through hole on the rotor shaft coupling, the eccentric gasket, the thick gasket and the nut to realize the fastening of the transverse plate and the rotor shaft coupling, one end part of the first pull rod sequentially passes through the nut, the gasket, the first through hole on the transverse plate, the gasket and the nut to realize the fastening of the transverse plate, and the other end part of the first pull rod is provided with threads and is connected with the mounting hole on the rotor bearing seat.
2. The protector for the bearing bush of the generator according to claim 1, wherein the fixing flange is provided with a lifting tab for lifting, installing and detaching the device.
3. The generator bushing apparatus of claim 1, wherein a cross bar is disposed between the top portions of the two second tie bars, the second tie bars having a length that is greater than one end of the bearing housing.
4. The generator bushing protector of claim 1, wherein the fixed block comprises a vertical block and a horizontal block horizontally and vertically arranged in the middle of the vertical block, a first mounting hole is formed in the bottom of the vertical block, the locking device penetrates through the first mounting hole to be connected with the side face of the bearing flange, a second mounting hole is formed in the horizontal block, and the bottom of the second pull rod penetrates through the second mounting hole to be connected with the top thread of the bearing flange.
5. A generator bushing apparatus according to claim 1 or 4, wherein the locking means is a bolt and nut fit.
6. The protection device for the bearing bush of the generator according to claim 1, wherein the two side surfaces of the upper fixing plate are attached to the inner wall of the opening of the U-shaped opening of the fixing flange, and the bottom of the upper fixing plate is in a semicircular arc shape recessed upwards and attached to the outer ring of the rotor.
7. The protection device for the bearing bush of the generator according to claim 1, wherein the outer ring of the end part of the first pull rod, which is close to the bearing device or the bearing seat, is provided with a tangential surface matched with a spanner, so that the protection device is convenient to disassemble and assemble.
8. The protection device for the bearing bush of the generator according to claim 1, wherein a plurality of mounting holes are formed at the outer side edge of the fixing flange, and the fixing flange is connected with the bearing seat through bolts corresponding to the threaded holes in the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744607.3A CN110289737B (en) | 2019-08-13 | 2019-08-13 | Generator bearing bush protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744607.3A CN110289737B (en) | 2019-08-13 | 2019-08-13 | Generator bearing bush protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110289737A CN110289737A (en) | 2019-09-27 |
| CN110289737B true CN110289737B (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910744607.3A Active CN110289737B (en) | 2019-08-13 | 2019-08-13 | Generator bearing bush protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110289737B (en) |
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Effective date of registration: 20240307 Address after: No. 47 Central North Road, Gulou District, Nanjing City, Jiangsu Province, 210037 Applicant after: Nanjing Turbine Power Equipment Co.,Ltd. Country or region after: China Address before: 210037 No. 80 North Central Road, Jiangsu, Nanjing Applicant before: NANJING TURBINE & ELECTRIC MACHINERY (Group) Co.,Ltd. Country or region before: China |
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