CN114499072A - Hydraulic generator rotor magnetic pole replacement integral assembly method - Google Patents
Hydraulic generator rotor magnetic pole replacement integral assembly method Download PDFInfo
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- CN114499072A CN114499072A CN202210132951.9A CN202210132951A CN114499072A CN 114499072 A CN114499072 A CN 114499072A CN 202210132951 A CN202210132951 A CN 202210132951A CN 114499072 A CN114499072 A CN 114499072A
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- assembly
- magnetic pole
- hydraulic generator
- rotor
- disassembling
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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
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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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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of maintenance of hydraulic generators, and provides a method for integrally assembling a hydraulic generator rotor magnetic pole, which aims to solve the problem of long replacement period of a hydraulic generator rotor magnetic pole replacement method in the prior art, and a top device connected with a hydraulic generator is removed; removing the bracket assembly, the brush frame assembly and the top rotor travel switch device on the top; removing a connecting device between the hydraulic generator and the mounting pot hole; disassembling the assembly of the collecting ring, the assembly of the retainer ring and the assembly of the retainer ring; disassembling an oil sealing cover assembly, a support cover assembly, an upper guide bearing assembly and an oil cooler assembly; removing the thrust collar assembly, the mirror plate assembly, the thrust bearing bush assembly and the thrust bearing seat assembly; dismantling the assembly of the upper frame body and the assembly of the upper air deflector; disassembling the excitation lead assembly and the connecting line assembly between the magnetic poles; disassembling the damping ring assembly and the magnetic pole pull rod assembly; hoisting the magnetic pole assembly, and pulling out the magnetic pole key; and (5) hoisting out the magnetic pole for assembly, and completing the reloading in the reverse process after the replacement is completed.
Description
Technical Field
The invention relates to the technical field of maintenance of hydraulic generators, in particular to a method for integrally assembling a rotor magnetic pole of a hydraulic generator by replacement.
Background
The rotor magnetic pole of the hydraulic generator is used as the heart of the whole hydraulic generator set, when the rotor magnetic pole breaks down, the work of the hydraulic generator set is affected, and therefore the rotor magnetic pole needs to be replaced. At present, the conventional scheme is that the rotating part of the hydraulic generator is integrally lifted out, and then the rotating part of the hydraulic generator is integrally disassembled, and then a rotor magnetic pole is taken out for replacement. After replacement, the disassembled parts need to be reinstalled in the reverse order, and the replacement method has long replacement period and large workload, which results in high time cost and economic cost.
Disclosure of Invention
The invention aims to provide a method for integrally assembling the replacement of a magnetic pole of a rotor of a hydraulic generator, and aims to solve the problem of long replacement period of the replacement method of the magnetic pole of the rotor of the hydraulic generator in the prior art.
The basic scheme provided by the invention is as follows: a method for integrally assembling a rotor magnetic pole of a hydraulic generator in a replacement way comprises the following steps:
removing a top device connected with the hydraulic generator;
removing the bracket assembly, the brush frame assembly and the top rotor travel switch device on the top;
removing a connecting device between the hydraulic generator and the mounting pot hole;
disassembling the assembly of the collecting ring, the assembly of the retainer ring and the assembly of the retainer ring;
disassembling an oil sealing cover assembly, a support cover assembly, an upper guide bearing assembly and an oil cooler assembly;
removing the thrust collar assembly, the mirror plate assembly, the thrust bearing bush assembly and the thrust bearing seat assembly;
dismantling the assembly of the upper frame body and the assembly of the upper air deflector;
disassembling the excitation lead assembly and the connecting line assembly between the magnetic poles;
disassembling the damping ring assembly and the magnetic pole pull rod assembly;
hoisting the magnetic pole assembly, and pulling out the magnetic pole key;
and (5) hoisting out the magnetic pole for assembly, and completing the reloading in the reverse process after the replacement is completed.
The basic scheme has the beneficial effects that: compared with the prior art, in the scheme, when the magnetic pole of the rotor of the hydraulic generator is replaced, the replacement of the magnetic pole of the rotor can be completed under the conditions that the water turbine is not broken and the rotating part of the generator is lifted out, and parts needing to be disassembled in the replacement process are reduced, so that the time required by replacement is saved; in the process of reloading, because the number of disassembled parts is reduced, the number of reloaded parts is also reduced, the time required by the reloading process is also reduced, the time required by the whole replacing and assembling process is reduced, and the workload is reduced, so that the time cost and the economic cost of the replacing and assembling work are reduced.
Furthermore, the top device that demolishs includes air supplement unit, pipeline and automatic component fluted disc speed sensor. Has the beneficial effects that: in this scheme, just can continue subsequent operation of demolising after demolising air supplement unit, pipeline and automatic component fluted disc speed measuring device.
Further, the connection device between the hydraulic generator and the mounting pot hole comprises a floor assembly and a jack assembly. Has the advantages that: in this scheme, just can carry out subsequent operation of demolising after demolising floor assembly and jack assembly.
And further, before the connecting device between the hydraulic generator and the mounting pot hole is removed, the collector ring assembly, the check ring assembly and the snap ring assembly are removed. Has the advantages that: in this scheme, the mode that connecting device was demolishd to the back can be dismantled in-process operating personnel and can carry out the preorder operation on the floor assembly, convenient operation.
And further, the crane of the workshop where the hydraulic generator is positioned is adopted for hoisting and hoisting operation in the hoisting magnetic pole assembly and the hoisting magnetic pole assembly. Has the advantages that: in this scheme, utilize the driving in the factory building to hoist and hang out the operation, convenient operation.
In the invention, in order to integrally replace the rotor magnetic pole (comprising an iron core and a coil) of the hydraulic generator, firstly, the generator is dismantled from each assembly part, after the dismantling is finished, the magnetic pole assembly is hoisted, the rotor magnetic pole replacement is finished under the condition that the water turbine is not detached and the rotating part of the generator is hoisted out, and then the back-assembly work of the hydraulic generator set is finished in the reverse process.
Drawings
Fig. 1 is a schematic view of S1 illustrating an embodiment of an overall assembly method for replacing a magnetic pole of a hydro-generator rotor according to the present invention;
FIG. 2 is a partial schematic view of FIG. 1;
fig. 3 is a schematic view of S2 illustrating an embodiment of the method for replacing the whole assembly of the rotor magnetic pole of the hydraulic generator according to the present invention;
FIG. 4 is a partial schematic view of FIG. 3;
fig. 5 is a schematic view of an embodiment of a method for replacing the whole assembly of the rotor magnetic pole of the hydraulic generator according to the invention at S3;
FIG. 6 is a partial schematic view of FIG. 5;
fig. 7 is a schematic view of S4 illustrating an example of the method for replacing the whole assembly of the rotor magnetic pole of the hydro-generator according to the present invention;
FIG. 8 is a partial schematic view of FIG. 4;
fig. 9 is a schematic view of an embodiment of a pole replacement integral assembly method for a rotor of a hydro-generator according to the present invention at S5;
FIG. 10 is a partial schematic view of FIG. 9;
fig. 11 is a schematic view of an embodiment of a pole replacement integral assembly method for a rotor of a hydro-generator according to the present invention at S6;
FIG. 12 is a partial schematic view of FIG. 11;
fig. 13 is a schematic view of an embodiment of a pole replacement integral assembling method for a rotor of a hydro-generator according to the present invention at S7;
FIG. 14 is a partial schematic view of FIG. 7;
fig. 15 is a schematic view of an embodiment of a pole replacement integral assembling method for a rotor of a hydro-generator according to the present invention at S8;
FIG. 16 is a partial schematic view of FIG. 8;
fig. 17 is a schematic view of an embodiment of a pole replacement integral assembling method for a rotor of a hydro-generator according to the present invention at S9;
FIG. 18 is a partial schematic view of FIG. 9;
fig. 19 is a schematic view of an embodiment of a pole replacement integral assembling method of a hydro-generator rotor according to the present invention at S10;
fig. 20 is a schematic view of an embodiment of a pole replacement integral assembling method for a rotor of a hydro-generator according to the present invention at S11;
fig. 21 is a schematic flow chart of an embodiment of the method for integrally assembling the replacement of the magnetic pole of the rotor of the hydraulic generator according to the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a gas supplementing device, a pipeline 1, an automatic element fluted disc speed measuring device 2, a support assembly 3, a brush holder assembly 4, a top rotor travel switch 5, a floor assembly 6, a jack assembly 7, a collecting ring assembly 8, a retainer ring assembly 9, a snap ring assembly 10, an oil sealing cover assembly 11, a support cover assembly 12, an upper guide bearing assembly 13, an oil cooler assembly 14, a thrust head assembly 15, a mirror plate assembly 16, a thrust bearing bush assembly 17, a thrust bearing seat assembly 18, an upper frame body assembly 19, an upper air deflector assembly 20, an excitation lead assembly 21, an inter-magnetic pole connecting wire assembly 22, a damping ring assembly 23, a magnetic pole pull rod assembly 24, a magnetic pole key 25, a magnetic pole assembly 26, a lifting rope 271 and a lifting ring 272.
An embodiment substantially as shown in figure 21: a method for integrally assembling a rotor magnetic pole of a hydraulic generator in a replacement way comprises the following steps:
s1, removing a top device connected with the hydro-generator, wherein the top device in the embodiment comprises an air supplementing device, a pipeline 1 and an automatic element fluted disc speed measuring device 2, as shown in figures 1 and 2;
s2, removing the bracket assembly 3, brush holder assembly 4 and top rotor travel switch 5 device on the top, as shown in fig. 3 and 4;
s3, removing the collector ring assembly 8, the check ring assembly 9 and the snap ring assembly 10, as shown in figures 5 and 6;
s4, removing a connecting device between the hydraulic generator and the mounting pot hole; in this embodiment, the connection means between the hydro-generator and the installation pot hole includes a floor assembly 6 and a jack assembly 7, as shown in fig. 7 and 8;
s5, removing the oil sealing cover assembly 11, the support cover assembly 12, the upper guide bearing assembly 13 and the oil cooler assembly 14, as shown in FIGS. 9 and 10;
s6, removing the thrust collar assembly 15, the mirror plate assembly 16, the thrust bearing bush assembly 17 and the thrust bearing seat assembly 18, as shown in fig. 11 and 12;
s7, removing the upper rack frame body assembly 19 and the upper air deflector assembly 20, as shown in figures 13 and 14;
s8, removing the excitation lead assembly 21 and the connecting wire assembly 22 between the magnetic poles, as shown in figures 15 and 16;
s9, removing the damping ring assembly 23 and the pole brace assembly 24, as shown in fig. 17 and 18;
s10, enabling a travelling crane of a workshop where the hydraulic generator is located to reach the upper part of the hydraulic generator, hoisting the magnetic pole assembly 26 by utilizing the matching of a hoisting rope 271 and a hoisting ring 272 of the travelling crane, and pulling out the magnetic pole key 25 as shown in FIG. 19;
s11, hoisting the magnetic pole assembly 26 by using the travelling crane, and completing reinstallation in the reverse process after the replacement is completed as shown in figure 20.
Specifically, the repacking process is as follows:
s12, hoisting the replaced magnetic pole assembly 26 to the installation position, and inserting the magnetic pole key 25;
s13, mounting the pole pull rod assembly 24 and the damping ring assembly 23;
s14, mounting the inter-pole connecting wire assembly 22 and the excitation lead assembly 21;
s15, reinstalling the upper air deflector assembly 20 and the upper frame assembly 19;
s16, a thrust bearing block assembly 18, a thrust bearing bush assembly 17, a mirror plate assembly 16 and a thrust collar assembly 15 are mounted in a reinstalling mode;
s17, oil cooler back-filling assembly 14, upper guide bearing assembly 13, support cover assembly 12 and oil seal cover assembly 11;
s18, reinstalling the jack assembly 7 and the floor assembly 6;
s19, mounting the clamp ring assembly 10, the retainer ring assembly 9 and the collector ring assembly 8;
s20, a top rotor travel switch 5 device, a brush holder assembly 4 and a bracket assembly 3 are mounted back;
s21, reinstalling an automatic element fluted disc speed measuring device 2, an air supplementing device and a pipeline 1.
In this embodiment, when carrying out the dismantlement and repacking, adopt the operation instrument of convenient little space operation.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The overall assembly method for replacing the magnetic pole of the rotor of the hydraulic generator is characterized in that: the method comprises the following steps:
removing a top device connected with the hydraulic generator;
removing the bracket assembly, the brush frame assembly and the top rotor travel switch device on the top;
removing a connecting device between the hydraulic generator and the mounting pot hole;
disassembling the assembly of the collecting ring, the assembly of the retainer ring and the assembly of the retainer ring;
disassembling an oil sealing cover assembly, a support cover assembly, an upper guide bearing assembly and an oil cooler assembly;
removing the thrust collar assembly, the mirror plate assembly, the thrust bearing bush assembly and the thrust bearing seat assembly;
dismantling the assembly of the upper frame body and the assembly of the upper air deflector;
disassembling the excitation lead assembly and the connecting line assembly between the magnetic poles;
disassembling the damping ring assembly and the magnetic pole pull rod assembly;
hoisting the magnetic pole assembly, and pulling out the magnetic pole key;
and (5) hoisting out the magnetic pole for assembly, and completing the reloading in the reverse process after the replacement is completed.
2. The method for replacing and integrally assembling the magnetic poles of the rotor of the hydraulic generator according to claim 1, wherein: the top device that demolishs includes air supplement unit, pipeline and automatic component fluted disc speed sensor.
3. The hydro-generator rotor magnetic pole replacement overall assembly method according to claim 1 or 2, characterized in that: the connecting device between the hydraulic generator and the mounting pot hole comprises a floor assembly and a jack assembly.
4. The method for replacing and integrally assembling the magnetic poles of the rotor of the hydraulic generator according to claim 3, wherein: before the connection device between the hydraulic generator and the mounting pot hole is removed, the assembly of the collecting ring, the assembly of the check ring and the assembly of the snap ring are removed.
5. The hydro-generator rotor magnetic pole replacement overall assembly method according to claim 1 or 4, characterized in that: and hoisting out the magnetic poles by adopting a travelling crane of a workshop where the hydraulic generator is positioned during hoisting and hoisting out the magnetic poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132951.9A CN114499072A (en) | 2022-02-14 | 2022-02-14 | Hydraulic generator rotor magnetic pole replacement integral assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132951.9A CN114499072A (en) | 2022-02-14 | 2022-02-14 | Hydraulic generator rotor magnetic pole replacement integral assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114499072A true CN114499072A (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210132951.9A Pending CN114499072A (en) | 2022-02-14 | 2022-02-14 | Hydraulic generator rotor magnetic pole replacement integral assembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114499072A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880034A (en) * | 2018-07-04 | 2018-11-23 | 北京金风科创风电设备有限公司 | Rotor, assembling method and replacing method of whole-pole module of rotor and motor |
| CN215755937U (en) * | 2021-06-18 | 2022-02-08 | 中国长江电力股份有限公司 | Magnetic pole dismantling tool |
-
2022
- 2022-02-14 CN CN202210132951.9A patent/CN114499072A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880034A (en) * | 2018-07-04 | 2018-11-23 | 北京金风科创风电设备有限公司 | Rotor, assembling method and replacing method of whole-pole module of rotor and motor |
| CN215755937U (en) * | 2021-06-18 | 2022-02-08 | 中国长江电力股份有限公司 | Magnetic pole dismantling tool |
Non-Patent Citations (1)
| Title |
|---|
| 杨晓玲: "水轮发电机定子线棒损伤处理及分析", 大电机技术, vol. 6, no. 2015, pages 20 - 23 * |
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