CN110233550A - A kind of generator motor rigidity magnetic yoke assembly technique - Google Patents
A kind of generator motor rigidity magnetic yoke assembly technique Download PDFInfo
- Publication number
- CN110233550A CN110233550A CN201910303257.7A CN201910303257A CN110233550A CN 110233550 A CN110233550 A CN 110233550A CN 201910303257 A CN201910303257 A CN 201910303257A CN 110233550 A CN110233550 A CN 110233550A
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- magnetic yoke
- section
- rotor field
- field spider
- steel wire
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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
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention discloses a kind of generator motor rigidity magnetic yoke assembly technique, entirely different with conventional rack rotor rim mounting process.Present invention can ensure that rigid magnetic yoke assemble in site is gone on smoothly, shorten building site installation period, and guarantees that magnetic yoke installation quality reaches standard requirements.The present invention obtains through refining magnetic yoke positioning and guiding auxiliary bond and T tail positions tool and meets all radial positionings and problem of grinding one's teeth between magnetic yoke section using steel wire support frame is hung as measuring tool.The invention can ensure that rigid magnetic yoke assemble in site is gone on smoothly, it can be achieved that rigid rim superposition process data is measured, adjusted, magnetic yoke installation quality is made to reach standard requirements, high-precision and the requirement of high eccentricity value under the high revolving speed requirement of realization unit.This process can apply all unit rigidity magnetic yoke assemble in site, improve assemble in site efficiency, shorten building site installation period, guarantee units' installation quality, have highly application value.
Description
Technical field:
The invention discloses a kind of electricity generation and electromotion machine rotor rigidity magnetic yoke assemble in site processes.
Background technique:
Rotor rim is an extremely important component of generator motor, is played in electricity generation and electromotion unit operational process
Important role, the stability of magnetic yoke structure directly affect the safe and reliable operation of unit.With the increasing of accumulation of energy occupation rate of market
Add, rotor rim is more and more using rigid magnetic yoke structure, and the unit accuracy of manufacture requires higher and higher.Its entirety of rigid magnetic yoke
Property, intensity and the more previous structure of rigidity it is more preferable, loose and deformation can be prevented.Rigid magnetic yoke and rotor field spider are using tangentially and radially
The connection structure of compound keys transmits torque by magnetic yoke convex key and magnetic yoke auxiliary bond.The rigid magnetic yoke structure country there is no assemble in site
Experience, therefore, there is an urgent need to a kind of generator motor rigidity magnetic yoke assemble in site processes.
Summary of the invention:
The present invention is generator motor rigidity magnetic yoke assembly technique, it is ensured that rigid magnetic yoke assemble in site it is smooth into
Row shortens building site installation period, and guarantees that magnetic yoke installation quality reaches standard requirements.The technical solution of the present invention is as follows:
1) rotor field spider is fallen on centerbody buttress, adjusts centerbody upper flange flatness≤0.03mm/m, check magnetic
Yoke convex key radial direction verticality≤0.05mm/m checks each hook level height difference≤0.5mm；
2) steel wire support frame is hung in installation, and disk Φ 900H7 (0 ,+0.09) mm seam allowance cooperates on flange and rotor field spider,
Using flange 4- Φ 110mm hole measurement gap, flange and rotor field spider concentricity≤0.03mm are adjusted, using bolt tight；
3) first segment magnetic yoke is installed, first installation lifting tool, mounts wirerope and chain block, it is desirable that rope capacity
It is identical, it is leveled convenient for magnetic yoke section, repetition measurement simultaneously adjusts rotor field spider level, installs buttress；
4) when magnetic yoke section distance of fall rotor field spider links up with plane 10mm, three pairs of positioning auxiliary bonds are installed, as circumferential fixed
Position, measurement rotor field spider positioning section and magnetic yoke radial clearance simultaneously adjust magnetic yoke section concentricity, using jack adjustment magnetic yoke section with
Main stud radial clearance relative value≤0.05mm；
5) it utilizes and hangs steel wire support frame, inside micrometer measurement magnetic yoke outside diameter and circularity, eccentricity value < 0.1mm；
6) after the adjustment of magnetic yoke section is qualified, positioning auxiliary bond is extracted, lifting tool is removed；
7) second segment magnetic yoke is installed, first installation lifting tool, mounts wirerope and chain block, it is desirable that rope capacity
It is identical, it is leveled convenient for magnetic yoke section, repetition measurement simultaneously adjusts rotor field spider level；
8) when plane 10mm on magnetic yoke section distance of fall first segment, three pairs of positioning auxiliary bonds are installed, as circumferentially positioned；Together
When installation 3 sets T tails positioning tools, as radial positioning；
9) it is ground one's teeth≤0.02mm using the detection of knife ruler two sections magnetic yoke section T tail keyway slot bottom, keyway two sides；
10) each main stud and yoke keyway slot bottom gap width are measured using clearance gauge, and adjusts magnetic yoke Duan Yuzhu stud diameter
To gap relative value≤0.05mm；
11) it utilizes and hangs steel wire support frame, inside micrometer measurement magnetic yoke outside diameter and circularity, eccentricity value < 0.1mm；
12) circumference uniform distribution installs 4 sets of T tails and positions work between first segment and second segment magnetic yoke section after magnetic yoke adjustment checks
Tool；
13) after the adjustment of magnetic yoke section is qualified, positioning auxiliary bond is extracted, lifting tool is removed；
14) according to above-mentioned 7) -13) the step of complete remaining 7 sections of magnetic yoke sections assembly；
15) stretching screw and nut are installed by drawing；
16) magnetic yoke is gradually symmetrically compressed using hydraulic elongator, guarantees elongate screw amount；
17) crawler type heater plate magnetic yoke is utilized, insulated fire is carried out using asbestos cloth and fire prevention tarpaulin combination, allows
Magnetic yoke homogeneous heating is packed into gasket to designated position, stops heating；
18) after magnetic yoke cooling, after checking that magnetic yoke circularity, verticality, bias and magnetic yoke height are met the requirements, welding equipment card key,
Backplate etc. makes an overall screening magnetic yoke section；
19) brake hoop is installed as required, latter piece of brake hoop lower plane cannot be protruded than previous piece, and total wave degree is little
In 1.5mm；
Technical effect:
The present invention is building site rotor rigidity magnetic yoke assembly technique, completely not with conventional rack rotor rim mounting process
Together.Rotor rigidity magnetic yoke unit can guarantee the globality and its strength and stiffness of magnetic yoke, prevent magnetic yoke loose and deformation.Rigidity
Magnetic yoke is the new construction of generator, is not available conventional measurement round frame in rigid magnetic yoke installation process and measures, and is installed without week
To and radial positioning and magnetic yoke section outer circle T tail at be easy to produce and grind one's teeth.
This art inventions obtains through refining magnetic yoke positioning and guiding auxiliary bond and the positioning of T tail using steel wire support frame is hung as measuring tool
Tool meets all radial positionings and problem of grinding one's teeth between magnetic yoke section.This art inventions can guarantee the suitable of rigid magnetic yoke assemble in site
Benefit carries out, it can be achieved that rigid rim superposition process data is measured, adjusted, magnetic yoke installation quality is made to reach standard requirements, realization machine
High-precision and the requirement of high eccentricity value under the high revolving speed requirement of group, while shortening building site installation period, guarantee units' installation quality.
Detailed description of the invention:
Fig. 1 is single hop magnetic yoke section scheme of installation；
Fig. 2 is to utilize to hang the measurement magnetic yoke section outer circle schematic diagram such as steel wire support frame, inside micrometer；
Fig. 3 is remaining magnetic yoke section assembling process schematic diagram；
In attached drawing:
1 rotor field spider；2 centerbody buttresses；
3 magnetic yoke convex keys；4 hang steel wire support frame；
5 first segment magnetic yokes；6 lifting tools；
7 wirerope；8 chain blocks；
9 positioning auxiliary bonds；10 inside micrometers；
11 hang steel wire；12 second segment magnetic yokes；
13 T tails position tool；14 knife rulers；
15 remaining magnetic yoke section；
Specific embodiment:
The present invention is a kind of generator motor rigidity magnetic yoke assembly technique, is ensuring rigid magnetic yoke assembling quality
Meanwhile shortening building site installation period, and guarantee that magnetic yoke installation quality reaches standard requirements.The technical solution of the present invention is as follows:
1) rotor field spider (1) is fallen on centerbody buttress 2, adjusts centerbody upper flange flatness≤0.03mm/m, inspection
3 radial direction verticality≤0.05mm/m of magnetic yoke convex key is looked into, checks each hook level height difference≤0.5mm；
2) steel wire support frame 4 is hung in installation, and disk Φ 900H7mm seam allowance cooperates on flange and rotor field spider, utilizes flange
4- Φ 110mm hole measurement gap, adjustment flange and rotor field spider concentricity≤0.03mm, using bolt tight；
3) first segment magnetic yoke 5 is installed, first installation lifting tool 6, mounts wirerope 7 and chain block 8, it is desirable that wirerope
7 length are identical, level convenient for magnetic yoke section, and repetition measurement simultaneously adjusts 1 level of rotor field spider, install buttress；
4) when magnetic yoke section distance of fall rotor field spider links up with plane 10mm, three pairs of positioning auxiliary bonds 9 are installed, as circumferential fixed
Position, measurement rotor field spider positioning section and magnetic yoke radial clearance simultaneously adjust magnetic yoke section concentricity, using jack adjustment magnetic yoke section with
Main stud radial clearance relative value≤0.05mm；
5) it utilizes and hangs steel wire support frame 4, inside micrometer 10, hang the measurement magnetic yoke outside diameter of steel wire 11 and circularity, it is eccentric
Value < 0.1mm；
6) after the adjustment of magnetic yoke section is qualified, positioning auxiliary bond 9 is extracted, lifting tool 6 is removed；
7) second segment magnetic yoke 12 is installed, first installation lifting tool 6, mounts wirerope 7 and chain block 8, it is desirable that steel wire
Rope length degree is identical, levels convenient for magnetic yoke section, and repetition measurement simultaneously adjusts rotor field spider level；
8) when plane 10mm on magnetic yoke section distance of fall first segment, three pairs of positioning auxiliary bonds 9 are installed, as circumferentially positioned；
3 sets of T tails of installation position tool 13 simultaneously, as radial positioning；
9) two sections magnetic yoke section T tail keyway slot bottom, keyway two sides are detected using knife ruler 14 to grind one's teeth≤0.02mm；
10) each main stud and yoke keyway slot bottom gap width are measured using clearance gauge, and adjusts magnetic yoke Duan Yuzhu stud diameter
To gap relative value≤0.05mm；
11) it utilizes and hangs steel wire support frame 4, inside micrometer 10, hang the measurement magnetic yoke outside diameter of steel wire 11 and circularity, it is eccentric
Value < 0.1mm；
12) circumference uniform distribution installs 4 sets of T tails and positions work between first segment and second segment magnetic yoke section after magnetic yoke adjustment checks
Tool 13；
13) after the adjustment of magnetic yoke section is qualified, positioning auxiliary bond 9 is extracted, lifting tool 6 is removed；
14) according to above-mentioned 7) -13) the step of complete remaining 7 sections of magnetic yoke section 14 and assemble；
15) stretching screw and nut are installed by drawing；
16) magnetic yoke is gradually symmetrically compressed using hydraulic elongator, guarantees elongate screw amount；
17) crawler type heater plate magnetic yoke is utilized, insulated fire is carried out using asbestos cloth and fire prevention tarpaulin combination, allows
Magnetic yoke homogeneous heating is packed into gasket to designated position, stops heating；
18) after magnetic yoke cooling, after checking that magnetic yoke circularity, verticality, bias and magnetic yoke height are met the requirements, welding equipment card key,
Backplate etc. makes an overall screening magnetic yoke section；
19) brake hoop is installed as required, latter piece of brake hoop lower plane cannot be protruded than previous piece, and total wave degree is little
In 1.5mm；
Equipment need to be used:
Rotor field spider；
Centerbody buttress；
Magnetic yoke convex key；
Hang steel wire support frame；
Magnetic yoke section；
Lifting tool；
Position auxiliary bond；
T tail positions tool.
Claims (1)
1. a kind of generator motor rigidity magnetic yoke assembly technique, it is characterized in that: including the following steps:
1) rotor field spider (1) is fallen on centerbody buttress (2), adjusts centerbody upper flange flatness≤0.03mm/m, checked
Magnetic yoke convex key (3) radial direction verticality≤0.05mm/m checks each hook level height difference≤0.5mm；
2) installation is hung steel wire support frame (4), and disk Φ 900H7mm seam allowance cooperates on flange and rotor field spider, utilizes flange 4-
Φ 110mm hole measurement gap, adjustment flange and rotor field spider concentricity≤0.03mm, using bolt tight；
3) first segment magnetic yoke (5) are installed, first installation lifting tool (6), mount wirerope (7) and chain block (8), it is desirable that steel
Cord (7) length is identical, levels convenient for magnetic yoke section, and repetition measurement simultaneously adjusts rotor field spider (1) level, installs buttress；
4) when magnetic yoke section distance of fall rotor field spider links up with plane 10mm, three pairs of positioning auxiliary bonds (9) are installed, as circumferential fixed
Position, measurement rotor field spider positioning section and magnetic yoke radial clearance simultaneously adjust magnetic yoke section concentricity, using jack adjustment magnetic yoke section with
Main stud radial clearance relative value≤0.05mm；
5) using hanging steel wire support frame (4), inside micrometer (10), hanging steel wire (11) measurement magnetic yoke outside diameter and circularity, partially
Center value < 0.1mm；
6) after the adjustment of magnetic yoke section is qualified, positioning auxiliary bond (9) is extracted, is removed lifting tool (6)；
7) second segment magnetic yoke (12) are installed, first installation lifting tool (6), mount wirerope (7) and chain block (8), it is desirable that
Rope capacity is identical, levels convenient for magnetic yoke section, and repetition measurement simultaneously adjusts rotor field spider level；
8) when plane 10mm on magnetic yoke section distance of fall first segment, three pairs of positioning auxiliary bonds (9) are installed, as circumferentially positioned；Together
When 3 sets T tails of installation position tool (13), as radial positioning；
9) it is ground one's teeth≤0.02mm using knife ruler (14) detection two sections magnetic yoke section T tail keyway slot bottom, keyway two sides；
10) each main stud and yoke keyway slot bottom gap width are measured using clearance gauge, and adjusted between magnetic yoke Duan Yuzhu stud radial direction
Gap relative value≤0.05mm；
11) using hanging steel wire support frame (4), inside micrometer (10), hanging steel wire (11) measurement magnetic yoke outside diameter and circularity, partially
Center value < 0.1mm；
12) circumference uniform distribution installs 4 sets of T tails and positions tool between first segment and second segment magnetic yoke section after magnetic yoke adjustment checks
(13)；
13) after the adjustment of magnetic yoke section is qualified, positioning auxiliary bond (9) is extracted, is removed lifting tool (6)；
14) according to above-mentioned 7) -13) the step of complete remaining 7 sections of magnetic yoke sections (14) assembly；
15) stretching screw and nut are installed by drawing；
16) magnetic yoke is gradually symmetrically compressed using hydraulic elongator, guarantees elongate screw amount；
17) crawler type heater plate magnetic yoke is utilized, insulated fire is carried out using asbestos cloth and fire prevention tarpaulin combination, allows magnetic yoke
Homogeneous heating is packed into gasket to designated position, stops heating；
18) after magnetic yoke cooling, after checking that magnetic yoke circularity, verticality, bias and magnetic yoke height are met the requirements, welding equipment card key, backplate,
Make an overall screening magnetic yoke section；
19) brake hoop is installed as required, latter piece of brake hoop lower plane cannot be protruded than previous piece, and total wave degree is not more than
1.5mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303257.7A CN110233550A (en) | 2019-04-16 | 2019-04-16 | A kind of generator motor rigidity magnetic yoke assembly technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303257.7A CN110233550A (en) | 2019-04-16 | 2019-04-16 | A kind of generator motor rigidity magnetic yoke assembly technique |
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| Publication Number | Publication Date |
|---|---|
| CN110233550A true CN110233550A (en) | 2019-09-13 |
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ID=67860215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910303257.7A Pending CN110233550A (en) | 2019-04-16 | 2019-04-16 | A kind of generator motor rigidity magnetic yoke assembly technique |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824276A (en) * | 2021-11-09 | 2021-12-21 | 哈尔滨电机厂有限责任公司 | Method for supporting reserved magnetic yoke and replaced rotor bracket |
| CN114142692A (en) * | 2021-11-30 | 2022-03-04 | 哈尔滨电机厂有限责任公司 | Technological method for mounting two-section type magnet yoke of hydraulic generator |
| CN114337143A (en) * | 2022-01-06 | 2022-04-12 | 哈尔滨电机厂有限责任公司 | Floating type rigid magnet yoke mounting process method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101277042A (en) * | 2007-03-28 | 2008-10-01 | 上海电气集团上海电机厂有限公司 | Three-segment type rotating shaft of large-scale rough rolling motor as well as assembling method thereof |
| CN108436394A (en) * | 2018-03-21 | 2018-08-24 | 哈尔滨电机厂有限责任公司 | Large-scale pumped storage power generator-motor machine rotor rigidity yoke method of manufacturing technology |
-
2019
- 2019-04-16 CN CN201910303257.7A patent/CN110233550A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101277042A (en) * | 2007-03-28 | 2008-10-01 | 上海电气集团上海电机厂有限公司 | Three-segment type rotating shaft of large-scale rough rolling motor as well as assembling method thereof |
| CN108436394A (en) * | 2018-03-21 | 2018-08-24 | 哈尔滨电机厂有限责任公司 | Large-scale pumped storage power generator-motor machine rotor rigidity yoke method of manufacturing technology |
Non-Patent Citations (3)
| Title |
|---|
| 丁玉国: "锦屏一级水电站发电机转子磁轭装配工艺特点", 《四川水力发电》 * |
| 张建伟，耿亮: "刘家峡水电厂五号发电机转子装配", 《水电站机电技术》 * |
| 李全胜: "广东某抽蓄电站发电电动机转子磁轭装配", 《科学技术创新 》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824276A (en) * | 2021-11-09 | 2021-12-21 | 哈尔滨电机厂有限责任公司 | Method for supporting reserved magnetic yoke and replaced rotor bracket |
| CN113824276B (en) * | 2021-11-09 | 2024-03-05 | 哈尔滨电机厂有限责任公司 | Method for supporting reserved magnet yoke rotor bracket |
| CN114142692A (en) * | 2021-11-30 | 2022-03-04 | 哈尔滨电机厂有限责任公司 | Technological method for mounting two-section type magnet yoke of hydraulic generator |
| CN114142692B (en) * | 2021-11-30 | 2024-04-09 | 哈尔滨电机厂有限责任公司 | Technological method for mounting two-section type magnetic yoke of hydraulic generator |
| CN114337143A (en) * | 2022-01-06 | 2022-04-12 | 哈尔滨电机厂有限责任公司 | Floating type rigid magnet yoke mounting process method |
| CN114337143B (en) * | 2022-01-06 | 2024-04-09 | 哈尔滨电机厂有限责任公司 | Technological method for installing floating type rigid magnetic yoke |
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Application publication date: 20190913 |
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