CN106887928A - For large-scale main driving motor core pulling method - Google Patents
For large-scale main driving motor core pulling method Download PDFInfo
- Publication number
- CN106887928A CN106887928A CN201510941989.0A CN201510941989A CN106887928A CN 106887928 A CN106887928 A CN 106887928A CN 201510941989 A CN201510941989 A CN 201510941989A CN 106887928 A CN106887928 A CN 106887928A
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- rotor
- support frame
- stator
- circle arc
- lifting
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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
- H02K15/0006—Disassembling, repairing or modifying dynamo-electric machines
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention is specifically a kind of for large-scale main driving motor core pulling method；It is characterized in that：Motor sets support after integrally hanging out at armature spindle two ends, is sling stator using steel wire rope, keeps gap uniformity between rotor and stator；After stator is moved into the second support frame, rotor is supported using rotor circle arc support frame, adjustment backing plate is set on circle arc support frame；Second support frame is removed, is deposited on stator hoisting to standby support；Rotor is sling using hanging beam, rotor is hung after rotor levelness meets to be required is deposited on standby support.This construction method is supported to the rotor and stator of motor using multiple support frames in hoisting process, and especially suitable circle arc support frame carries out secondary support to rotor bottom, accomplishes that stator once completes to take out（Wear）Work, using this method effectively save connection and dismounting extending shaft work and the time.
Description
Technical field
It is specifically a kind of to be used for large-scale main driving motor core pulling method the present invention relates to large scale equipment installing area.
Background technology
In the demolishing process of large-scale main driving motor, main motor is taken out（Wear）The method of core is the most key；Taking out for rotor is all typically carried out using the method for extending shaft in conventional work progress（Wear）The work of core.This method needs the frequently Hoisting Position of more exchanging rotor and connects and dismounting extending shaft, and the working time is more long, and labour intensity is larger.
The content of the invention
It is an object of the present invention to provide one kind is once taken out（Wear）Core success and then the large-scale main driving motor core pulling method of reduction labour intensity.
In order to achieve the above object, the present invention is realized in：
One kind is used for large-scale main driving motor core pulling method, including
Step 1, rubber slab is filled between stator and rotor, it is ensured that in hoisting process rotor core with stator core without directly contact；
Stator rotor is integrally hung shifting for step 2, the hanging method for lifting stator using rotor；
Steel wire rope hanging point position is drawn and using rubber slab to armature spindle protection on rotor according to erection drawing paper size before step 2.1, lifting,
Rotor levelness is checked after step 2.2, the height of 20mm that rotor is sling, such as the bad position that steel wire rope is adjusted according to offset direction of levelness；
Step 2.3, when rotor levelness be less than 5mm/M when integral lifting is carried out to motor, whether parking checking band-type brake state confirmation slips hook when rotor lifting altitude reaches 300mm, rotor stator is integrally hung out after the completion of confirmation, two rope made of hemp traction control rotor directions are used when hanging out；
Step 3, rotor is extracted out from stator；
Step 3.1, motor are respectively provided with the first support frame and the second support frame after integrally hanging out at armature spindle two ends, and motor is integrally seated on support frame, and support frame is put according to core pulling drawing position, and circular arc copper coin is padded between support frame and rotor journal；Sling stator using steel wire rope, keep gap uniformity between rotor and stator；
Step 3.2, stator is moved to away from the second support frame 300mm after stop; rotor c.g. position is gone out according to drawing size marking on rotor windings iron core; rotor is supported using rotor circle arc support frame below rotor windings iron core according to position of centre of gravity; the protection of circular arc copper coin is padded between rotor windings iron core and rotor circle arc support frame; after rotor jack-up is raised to support frame and do not stressed by rotor circle arc support frame down either side using 1 50 tons of hydraulic jack when rotor respectively, adjustment backing plate is set on circle arc support frame；
Step 3.3, the second support frame is removed, stator slowly moves out rotor, is deposited in lifting to standby support；
Step 3.4, according to lifting drawing requirement Hoisting Position is marked on rotor; rotor journal is protected using rubber slab; rotor is sling to the first support frame using hanging beam rotor levelness is checked after not stressing, rotor is hung after rotor levelness meets to be required is deposited on standby support.
The described crossbeam connected including many columns being set up in parallel and by many root posts for large-scale main driving motor core pulling method, rotor circle arc support frame, is provided with universal rolling wheel below column.
This construction method is supported to the rotor and stator of motor using multiple support frames in hoisting process, and especially suitable circle arc support frame carries out secondary support to rotor bottom, accomplishes that stator once completes to take out（Wear）Work, using this method effectively save connection and dismounting extending shaft work and the time.
Brief description of the drawings
Fig. 1 is this lifting construction schematic diagram one.
Fig. 2 is this lifting construction schematic diagram two.
Fig. 3 is this lifting construction schematic diagram three.
Fig. 4 is this lifting construction schematic diagram four.
Fig. 5 is this lifting construction schematic diagram five.
Fig. 6 is circle arc support frame side view.
Specific embodiment
The present invention is further illustrated below by way of specific embodiment.
One kind is used for large-scale main driving motor core pulling method, including
Step 1, rubber slab is filled between stator and rotor, it is ensured that in hoisting process rotor core with stator core without directly contact；
As shown in figure 1, step 2, using the hanging method of the lift stator 1 of rotor 2 by stator 1, rotor 2 is overall hangs shifting；
Steel wire rope hanging point position is drawn and using rubber slab to armature spindle protection on rotor 2 according to erection drawing paper size before step 2.1, lifting,
The levelness of rotor 2 is checked after step 2.2, the height of 20mm that rotor 2 is sling, such as the bad position that steel wire rope is adjusted according to offset direction of levelness；
Step 2.3, when the levelness of rotor 2 be less than 5mm/M when integral lifting is carried out to motor, whether parking checking band-type brake state confirmation slips hook when the lifting altitude of rotor 2 reaches 300mm, rotor 2, the entirety of stator 1 are hung out after the completion of confirmation, two directions of rope made of hemp traction control rotor 2 are used when hanging out；
Step 3, rotor 2 is extracted out from stator 1；
As shown in Figure 2, step 3.1, motor are respectively provided with the first support frame 3 and the second support frame 4 after integrally hanging out at the axle two ends of rotor 2, and motor is integrally seated on support frame 3,4, support frame 3,4 is put according to core pulling drawing position, and circular arc copper coin is padded between support frame 3,4 and the axle journal of rotor 2；Sling stator 1 using steel wire rope, keep gap uniformity between rotor 2 and stator 1；
As shown in Figure 3, step 3.2, stop after stator 1 is moved to away from the second support frame 4300mm, the position of centre of gravity of rotor 2 is gone out according to drawing size marking on the winding iron core of rotor 2, rotor 2 is supported using rotor circle arc support frame 5 below the winding iron core of rotor 2 according to position of centre of gravity, circular arc copper coin 54 is padded between the winding iron core of rotor 2 and rotor circle arc support frame 5 to protect, in the down either side of rotor circle arc support frame 5 respectively using 1 50 tons of hydraulic jack by the jack-up of rotor 2 when rotor 2 is raised to support frame 3, after 4 do not stress, adjustment backing plate is set on rotor circle arc support frame 5；
As shown in figure 4, step 3.3, removing the second support frame 4, stator 1 slowly moves out rotor 2, is deposited in lifting to standby support 6；
As shown in Figure 5; step 3.4, according to lifting drawing requirement mark Hoisting Position on rotor 2; the axle journal of rotor 2 is protected using rubber slab; rotor 2 is sling to the first support frame 3 using hanging beam the levelness of rotor 2 is checked after not stressing, rotor 2 is hung after the levelness of rotor 2 meets to be required is deposited on standby support 7.
As shown in fig. 6, the described crossbeam 52 connected including many columns 51 being set up in parallel and by many root posts for large-scale main driving motor core pulling method, rotor circle arc support frame 5, universal rolling wheel 53 is provided with the lower section of column 51.
This construction method is supported to the rotor and stator of motor using multiple support frames in hoisting process, and especially suitable circle arc support frame carries out secondary support to rotor bottom, accomplishes that stator once completes to take out（Wear）Work, using this method effectively save connection and dismounting extending shaft work and the time.
Claims (2)
1. it is a kind of to be used for large-scale main driving motor core pulling method, it is characterized in that：Including
Step 1, rubber slab is filled between stator and rotor, it is ensured that in hoisting process rotor core with stator core without directly contact；
Stator rotor is integrally hung shifting for step 2, the hanging method for lifting stator using rotor；
Steel wire rope hanging point position is drawn and using rubber slab to armature spindle protection on rotor according to erection drawing paper size before step 2.1, lifting,
Rotor levelness is checked after step 2.2, the height of 20mm that rotor is sling, such as the bad position that steel wire rope is adjusted according to offset direction of levelness；
Step 2.3, when rotor levelness be less than 5mm/M when integral lifting is carried out to motor, whether parking checking band-type brake state confirmation slips hook when rotor lifting altitude reaches 300mm, rotor stator is integrally hung out after the completion of confirmation, two rope made of hemp traction control rotor directions are used when hanging out；
Step 3, rotor is extracted out from stator；
Step 3.1, motor are respectively provided with the first support frame and the second support frame after integrally hanging out at armature spindle two ends, and motor is integrally seated on support frame, and support frame is put according to core pulling drawing position, and circular arc copper coin is padded between support frame and rotor journal；Sling stator using steel wire rope, keep gap uniformity between rotor and stator；
Step 3.2, stator is moved to away from the second support frame 300mm after stop; rotor c.g. position is gone out according to drawing size marking on rotor windings iron core; rotor is supported using rotor circle arc support frame below rotor windings iron core according to position of centre of gravity; the protection of circular arc copper coin is padded between rotor windings iron core and rotor circle arc support frame; after rotor jack-up is raised to support frame and do not stressed by rotor circle arc support frame down either side using 1 50 tons of hydraulic jack when rotor respectively, adjustment backing plate is set on circle arc support frame；
Step 3.3, the second support frame is removed, stator slowly moves out rotor, is deposited in lifting to standby support；
Step 3.4, according to lifting drawing requirement Hoisting Position is marked on rotor; rotor journal is protected using rubber slab; rotor is sling to the first support frame using hanging beam rotor levelness is checked after not stressing, rotor is hung after rotor levelness meets to be required is deposited on standby support.
2. according to claim 1 for large-scale main driving motor core pulling method, it is characterized in that：Rotor circle arc support frame includes many columns being set up in parallel and the crossbeam for connecting many root posts, and universal rolling wheel is provided with below column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510941989.0A CN106887928B (en) | 2015-12-16 | 2015-12-16 | Core pulling method for large-scale main transmission motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510941989.0A CN106887928B (en) | 2015-12-16 | 2015-12-16 | Core pulling method for large-scale main transmission motor |
Publications (2)
| Publication Number | Publication Date |
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| CN106887928A true CN106887928A (en) | 2017-06-23 |
| CN106887928B CN106887928B (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510941989.0A Active CN106887928B (en) | 2015-12-16 | 2015-12-16 | Core pulling method for large-scale main transmission motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204690A (en) * | 2017-07-19 | 2017-09-26 | 中国二十冶集团有限公司 | A kind of core pulling method overhauled for large-size machine |
| CN107404199A (en) * | 2017-09-20 | 2017-11-28 | 中国二十冶集团有限公司 | A kind of method for taking out punching for motor |
| CN107591965A (en) * | 2017-09-06 | 2018-01-16 | 中国二十冶集团有限公司 | A kind of limit short axle hydraulic electric motor punching method |
| CN109347269A (en) * | 2018-09-18 | 2019-02-15 | 中国神华能源股份有限公司 | The installation method of the rotor of generator |
| CN109639065A (en) * | 2017-10-09 | 2019-04-16 | 上海宝冶集团有限公司 | Combined support frame for Large Rotor core pulling |
| CN110356973A (en) * | 2019-07-01 | 2019-10-22 | 中船澄西船舶修造有限公司 | A kind of hanging method and hoisting fixture of jackshaft |
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|---|---|---|---|---|
| JPS59148549A (en) * | 1983-02-14 | 1984-08-25 | Fuji Electric Co Ltd | Pulling and hanging method of rotor for lateral electric machine |
| JPH05115155A (en) * | 1991-10-21 | 1993-05-07 | Nippon Steel Corp | Ac motor for driving mill |
| CN101114786A (en) * | 2007-08-28 | 2008-01-30 | 天津二十冶建设有限公司 | Hanging method using C-beam piercing core hanging large-scale electric motor and C-beam structure |
| CN101257238A (en) * | 2008-04-10 | 2008-09-03 | 中国第一冶金建设有限责任公司 | Method for electric motor with stationary rotor to on site penetrate rotor |
| CN101277049A (en) * | 2007-03-28 | 2008-10-01 | 中国第二十冶金建设公司 | Method for core-crossing hanging large-scale motor hydraulic ram lifting |
| CN201821226U (en) * | 2010-06-30 | 2011-05-04 | 中国华冶科工集团有限公司 | Lifting device of large synchronous motor |
| KR101087133B1 (en) * | 2009-10-29 | 2011-11-25 | 현대제철 주식회사 | Apparatus for extracting rotor |
| CN102306979A (en) * | 2011-09-10 | 2012-01-04 | 中国十七冶集团有限公司 | Core pulling and threading method for overhauling of large motor |
-
2015
- 2015-12-16 CN CN201510941989.0A patent/CN106887928B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59148549A (en) * | 1983-02-14 | 1984-08-25 | Fuji Electric Co Ltd | Pulling and hanging method of rotor for lateral electric machine |
| JPH05115155A (en) * | 1991-10-21 | 1993-05-07 | Nippon Steel Corp | Ac motor for driving mill |
| CN101277049A (en) * | 2007-03-28 | 2008-10-01 | 中国第二十冶金建设公司 | Method for core-crossing hanging large-scale motor hydraulic ram lifting |
| CN101114786A (en) * | 2007-08-28 | 2008-01-30 | 天津二十冶建设有限公司 | Hanging method using C-beam piercing core hanging large-scale electric motor and C-beam structure |
| CN101257238A (en) * | 2008-04-10 | 2008-09-03 | 中国第一冶金建设有限责任公司 | Method for electric motor with stationary rotor to on site penetrate rotor |
| KR101087133B1 (en) * | 2009-10-29 | 2011-11-25 | 현대제철 주식회사 | Apparatus for extracting rotor |
| CN201821226U (en) * | 2010-06-30 | 2011-05-04 | 中国华冶科工集团有限公司 | Lifting device of large synchronous motor |
| CN102306979A (en) * | 2011-09-10 | 2012-01-04 | 中国十七冶集团有限公司 | Core pulling and threading method for overhauling of large motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204690A (en) * | 2017-07-19 | 2017-09-26 | 中国二十冶集团有限公司 | A kind of core pulling method overhauled for large-size machine |
| CN107204690B (en) * | 2017-07-19 | 2020-05-05 | 中国二十冶集团有限公司 | Core pulling method for overhauling large motor |
| CN107591965A (en) * | 2017-09-06 | 2018-01-16 | 中国二十冶集团有限公司 | A kind of limit short axle hydraulic electric motor punching method |
| CN107404199A (en) * | 2017-09-20 | 2017-11-28 | 中国二十冶集团有限公司 | A kind of method for taking out punching for motor |
| CN109639065A (en) * | 2017-10-09 | 2019-04-16 | 上海宝冶集团有限公司 | Combined support frame for Large Rotor core pulling |
| CN109347269A (en) * | 2018-09-18 | 2019-02-15 | 中国神华能源股份有限公司 | The installation method of the rotor of generator |
| CN110356973A (en) * | 2019-07-01 | 2019-10-22 | 中船澄西船舶修造有限公司 | A kind of hanging method and hoisting fixture of jackshaft |
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|---|---|
| CN106887928B (en) | 2020-07-28 |
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