CN201821226U - Lifting device of large synchronous motor - Google Patents
Lifting device of large synchronous motor Download PDFInfo
- Publication number
- CN201821226U CN201821226U CN2010202422293U CN201020242229U CN201821226U CN 201821226 U CN201821226 U CN 201821226U CN 2010202422293 U CN2010202422293 U CN 2010202422293U CN 201020242229 U CN201020242229 U CN 201020242229U CN 201821226 U CN201821226 U CN 201821226U
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- Prior art keywords
- rotor
- shoulder pole
- lifting
- stator
- extension shaft
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- Expired - Lifetime
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Abstract
The utility model provides a lifting device of a large synchronous motor, comprising a lifting shoulder pole made of a rectangular steel plate; the upper side of the rectangular lifting shoulder pole is provided with two lifting lugs; the two lifting lugs are arranged at a specified interval and are bilaterally symmetrical to the central part of the lifting shoulder pole; in addition, the lower side of the rectangular lifting shoulder pole is further provided with at least more than one pair of lifting points which arranged at specified intervals and are bilaterally symmetrical to the central part of the lifting shoulder pole.
Description
Technical field
The utility model relates to a kind of hanging apparatus of large-scale synchronous machine, specifically, relates to a kind of hanging apparatus of large-scale synchronous machine that comprises the lifting shoulder pole that can regulate rope angle and be used for the extension shaft of interim support rotor.
Background technology
Continuous increase along with selected scenes, mine scale, the power of motor of ball mill also continues to increase, because the weight of the rotor of the high-power synchronous machine that adopted of this large-tonnage equipment can reach tens tons, finish if assembled at the front motor that dispatches from the factory, then rotor can be because of not rotating for a long time, himself weight is tenesmus facing one direction for a long time, and cause rotor deformation, and transportation for convenience, therefore, this motor all is a disintegration bulk-breaking arrival, and assemble at the construction field (site).Erection sequence generally is: parallels, steel base install → changeed Bearing Installation → rotor penetrate stator → stator rotor in place → concentricity adjustment → magnetic line of force adjustment.Wherein rotor is penetrated the process procedures complexity of stator, the specification requirement height needs to make servicing unit, to realize fast, efficiently and accurately rotor to be penetrated stator.
In the past, use the overhead traveling crane suspension hook directly to hang wire line hitch when implementing the penetrate rotor operation usually, the other end of wire line hitch hangs on the rotor, by the crane rotor of slinging, along with moving of overhead traveling crane, rotor is penetrated in the stator then.In this process, to carry out twice lifting usually, that is, rotor lifted suspend lifting when armature spindle exposes the outer certain length of stator, more behind the position of change steel rope, continue to finish the process that rotor penetrates stator again.
But for large-scale synchronous machine, because length, the size of width, height and the rotor of stator are all bigger, the angle of wire line hitch can not meet the demands sometimes, may make rotor tilt thus, even rotor is fallen, and causes equipment breakdown.In addition, because the increase of stator width, after armature spindle penetrated stator, it exposed the curtailment outside the stator, thereby can't realize the effect of interim support rotor.
Therefore need provide a kind of steel wire rope angle that can solve in the large synchronous motor penetrate rotor process improper, and after armature spindle penetrates stator, expose the servicing unit of the outer curtailment of stator with difficult problems such as supporting temporarily.
The utility model content
Therefore, the utility model is made for solving the above-mentioned problems in the prior art, and its purpose is to provide a kind of penetrate rotor device that can steadily, efficiently, accurately, safely the rotor of motor be penetrated stator.
In order to achieve the above object, a kind of hanging apparatus of large-scale synchronous machine is provided, it comprises the lifting shoulder pole of being made by the steel plate of strip, upside at described strip lifting shoulder pole is provided with two hangers, and these two hangers lift the central portion left-right symmetric of shoulder pole across predetermined distance and with respect to this; In addition, also be provided with suspension centre more than at least one pair of at the downside of described strip lifting shoulder pole, these a pair of suspension centres are respectively across predetermined distance and with respect to the central portion left-right symmetric of this lifting shoulder pole.
In addition, preferred construction is that described suspension centre is made of the member of hanging that is fixedly installed on highlightedly on this lifting shoulder pole.
In addition, preferred construction is, also comprises extension shaft, and this extension shaft possesses flange portion, stage portion and major axis portion, and wherein, the diameter of major axis portion is identical with the diameter of axle at the rotor bearing place of described large-scale synchronous machine.
Moreover preferred construction is in the junction of described extension shaft and rotor bearing neonychium to be installed.
Adopt aforesaid penetrate rotor device, because this device has lifting shoulder pole and extension shaft, therefore penetrate in the process of stator at rotor, by use chain hoist to regulate the length of hawser and then regulate its angle, change suspension centre and use extension shaft to support temporarily, can realize steadily, efficiently, accurately, safely rotor is penetrated in the stator.
Description of drawings
Fig. 1 is according to the structure of penetrate rotor device of the present utility model and the schematic diagram of effect;
Fig. 2 is the schematic diagram according to the part-structure of lifting shoulder pole of the present utility model;
Fig. 3 is the schematic diagram according to the structure of extension shaft of the present utility model;
Fig. 4 to Fig. 6 utilizes the schematic diagram that rotor is penetrated the process of stator according to penetrate rotor device of the present utility model.
Specific embodiment
Below with reference to the accompanying drawings, describe the structure of lifting shoulder pole of the present utility model and extension shaft in conjunction with specific embodiments in detail.
Fig. 1 is according to the structure of penetrate rotor device of the present utility model and the schematic diagram of effect, and Fig. 2 is the schematic diagram according to the part-structure of lifting shoulder pole of the present utility model.
As depicted in figs. 1 and 2, the utility model relates to a kind of hanging apparatus of large-scale synchronous machine, and it comprises: the lifting shoulder pole, make by the steel plate of strip; And extension shaft, be used for interim support rotor.
Wherein, the upside that lifts shoulder pole at described strip is provided with two hangers, and these two hangers lift the central portion left-right symmetric of shoulder pole across predetermined distance and with respect to this.By being suspended on the suspension hook of overhead traveling crane after the perforation of hawser being passed this hanger, just can be by the next lifting shoulder pole that moves of moving of overhead traveling crane.In addition, also be provided with suspension centre more than at least one pair of at the downside of described strip lifting shoulder pole, these a pair of suspension centres also are respectively across predetermined distance and with respect to the central portion left-right symmetric of this lifting shoulder pole.And these suspension centres are made of the member of hanging that is fixedly installed on highlightedly on this lifting shoulder pole, are used to fasten hang lift the hawser that synchronous machine is used.
In the present embodiment, two pairs of suspension centres being set with lifting on the shoulder pole is that example describes, but the quantity of suspension centre can be provided with more than two pairs as required, and this is mathematical.In the present embodiment, have a pair of first suspension centre and a pair of second suspension centre respectively, on described first suspension centre or second suspension centre, can fasten and hang the hawser that is used to lift rotor.Wherein, utilize first suspension centre that rotor is lifted extension shaft and stretch out the outer length of stator and can support the place temporarily, then, hawser is changed on second suspension centre, utilize second suspension centre to finish rotor through the process in the motor.
Usually, chain hoist can adopt first chain hoist of 10t and second chain hoist of 5t, at first, described first chain hoist is hung over the hawser at rotor rear portion by bolt, adjust the length of hawser, thereby regulate the levelness of rotor, guarantee the level of the rotor of lifting.Then, make an end of described second chain hoist hang over the rotor rear portion, its other end hangs on the fixed object such as factory building columns, thereby by loosening second chain hoist lentamente, the process that guarantees penetrate rotor steadily, carry out evenly.
Wherein, described hawser hangs on the armature spindle, rather than hangs on the rotor, thereby has avoided settling thick rubber or wooden unit between rotor and hawser, to prevent hawser ankle injury rotor surface.
In addition, Fig. 3 is the schematic diagram according to the structure of extension shaft of the present utility model.As shown in Figure 3, one section axle of flanged dish is processed, with as extension shaft.This extension shaft comprises flange portion, stage portion and major axis portion, and wherein, the diameter of major axis portion is identical with the axle journal at rotor bearing place, and its length satisfies the rotor first step and penetrates the length of exposing behind the stator and can support temporarily and get final product.
And, in the junction of this extension shaft and armature spindle neonychium is installed, with prevent extension shaft support temporarily and after the process of lifting rotor in the time because rotor is overweight etc. former thereby separate with armature spindle.
Fig. 4 to Fig. 6 utilizes the schematic diagram that rotor is penetrated the process of stator according to penetrate rotor device of the present utility model.
As shown in Figure 4, the extension shaft of making is connected on the armature spindle by flange bolt, set up arc support (road timber saddle or bridle iron) in rotor and extension shaft bottom supports temporarily, the height of arc support can be provided with according to the difference in height between rotor and the armature spindle, to hang over the hawser that first suspension centre is connected on the armature spindle, the position of adjusting hawser is to guarantee maintenance level behind the rotor lifting.Wherein, alternatively, described arc support also can be other suitable shape.
On the hawser at rotor rear portion, hang first chain hoist of 10t, to adjust the levelness of rotor by the length of adjusting hawser.Hang second chain hoist of 5t at the rotor rear portion, its effect is to guarantee the process of penetrate rotor steadily at the uniform velocity.Wherein, the range of described first chain hoist and described second chain hoist can be selected according to the actual weight of the rotor that is lifted, and is not necessarily limited to above-mentioned 10t and 5t.
Thereafter, the rotor of slinging penetrates the step of stator, when rotor is worn when influenced by hawser, that is, in the time of near the hawser arrival stator, referring to Fig. 4, time-out penetrates the process of stator with rotor, and this moment, the extension shaft of rotor tip stretched out the length that enough temporarily supports outside the stator.Setting up respectively in the bottom of the bottom of rotor and extension shaft can temporary fixed rotor arc support, then rotor is placed on the interim arc support of being set up, and the height of described arc support can be provided with according to the difference in height between rotor and the armature spindle.
Thereafter, as shown in Figure 5, from first suspension centre hawser of dismantling, it is changed to second hoisting point position, at this moment, a hawser hangs over the rear portion of armature spindle, and another root hawser hangs over rotor and exposes on the outer extension shaft of stator.Alternatively, can not remove the hawser of first hoisting point position, but another is connected second hoisting point position to hawser, thereby simplify assembling process.
Then, as shown in Figure 6, with hawser after first hoisting point position changes to second hoisting point position, test before penetrating the process of stator carrying out rotor, promptly, when the repetition hawser is positioned at first hoisting point position, adjust the step of levelness before the rotor lifting, thereby guarantee that rotor is in a basic balance after slinging.After rotor lifting, with the length of first chain hoist fine setting hawser, thus the levelness of further regulating rotor.
Then, remove the arc support that is used for support rotor and armature spindle, overhead traveling crane is moved in position according to stator, and cooperate loosening at leisure second chain hoist of overhead traveling crane simultaneously, thereby rotor is sent into steadily, exactly the assigned position of stator, remove the prolongation axle that is connected on the armature spindle at last, so far finish the process that rotor is penetrated stator.
As mentioned above, the penetrate rotor device that the utility model relates to has can be by regulate the length of hawser and then regulate the lifting shoulder pole of its levelness and the extension shaft that can support temporarily with chain hoist, therefore this penetrate rotor device can be sent into rotor the assigned position of stator, it is simple in structure, easy to operate, can carry out rotor is penetrated the process of stator steadily, safely.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; and these improvement and distortion; all drop in the protection range of the present utility model; it will be understood by those skilled in the art that the just better the purpose of this utility model of explaining of above-mentioned specific descriptions, protection range of the present utility model is limited by claim and equivalent thereof; any change and distortion in this scope all drops within the protection range of the present utility model.
Claims (4)
1. the hanging apparatus of a large-scale synchronous machine is characterized in that,
Comprise the lifting shoulder pole of making by the steel plate of strip,
Upside at described strip lifting shoulder pole is provided with two hangers, and these two hangers lift the central portion left-right symmetric of shoulder pole across predetermined distance and with respect to this;
In addition, also be provided with suspension centre more than at least one pair of at the downside of described strip lifting shoulder pole, these a pair of suspension centres are respectively across predetermined distance and with respect to the central portion left-right symmetric of this lifting shoulder pole.
2. the hanging apparatus of large-scale synchronous machine according to claim 1 is characterized in that,
Described suspension centre is made of the member of hanging that is fixedly installed on highlightedly on this lifting shoulder pole.
3. the hanging apparatus of large-scale synchronous machine according to claim 1 and 2 is characterized in that,
Also comprise extension shaft, this extension shaft possesses flange portion, stage portion and major axis portion, and wherein, the diameter of major axis portion is identical with the diameter of axle at the rotor bearing place of described large-scale synchronous machine.
4. the hanging apparatus of large-scale synchronous machine according to claim 3 is characterized in that,
Junction at described extension shaft and rotor bearing is equipped with neonychium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202422293U CN201821226U (en) | 2010-06-30 | 2010-06-30 | Lifting device of large synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202422293U CN201821226U (en) | 2010-06-30 | 2010-06-30 | Lifting device of large synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201821226U true CN201821226U (en) | 2011-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202422293U Expired - Lifetime CN201821226U (en) | 2010-06-30 | 2010-06-30 | Lifting device of large synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201821226U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066779A (en) * | 2013-01-25 | 2013-04-24 | 江苏南车电机有限公司 | Method for rolling over stator crown block of large permanent magnetic direct-driven wind turbine generator |
| CN105905789A (en) * | 2016-06-24 | 2016-08-31 | 上海宝田新型建材有限公司 | Device special for lifting large motor rotor and lifting method |
| CN106887928A (en) * | 2015-12-16 | 2017-06-23 | 中国二十冶集团有限公司 | For large-scale main driving motor core pulling method |
| CN107359759A (en) * | 2017-09-01 | 2017-11-17 | 华菱安赛乐米塔尔汽车板有限公司 | The device of Large Synchronous Machine punching is completed using flat car |
| 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 |
| CN107612234A (en) * | 2017-09-06 | 2018-01-19 | 中国二十冶集团有限公司 | A kind of limit short axle shoulder pole girder motor takes out punching method |
| 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 |
| CN113872397A (en) * | 2021-10-29 | 2021-12-31 | 中广核核电运营有限公司 | Generator rotor moving method and generator rotor drawing-through method |
-
2010
- 2010-06-30 CN CN2010202422293U patent/CN201821226U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066779A (en) * | 2013-01-25 | 2013-04-24 | 江苏南车电机有限公司 | Method for rolling over stator crown block of large permanent magnetic direct-driven wind turbine generator |
| CN106887928A (en) * | 2015-12-16 | 2017-06-23 | 中国二十冶集团有限公司 | For large-scale main driving motor core pulling method |
| CN106887928B (en) * | 2015-12-16 | 2020-07-28 | 中国二十冶集团有限公司 | Core pulling method for large-scale main transmission motor |
| CN105905789A (en) * | 2016-06-24 | 2016-08-31 | 上海宝田新型建材有限公司 | Device special for lifting large motor rotor and lifting method |
| CN107359759A (en) * | 2017-09-01 | 2017-11-17 | 华菱安赛乐米塔尔汽车板有限公司 | The device of Large Synchronous Machine punching is completed using flat car |
| CN107359759B (en) * | 2017-09-01 | 2023-07-21 | 华菱安赛乐米塔尔汽车板有限公司 | Device for finishing core penetration of large synchronous motor by utilizing flat car |
| 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 |
| CN107612234A (en) * | 2017-09-06 | 2018-01-19 | 中国二十冶集团有限公司 | A kind of limit short axle shoulder pole girder motor takes out punching method |
| CN107612234B (en) * | 2017-09-06 | 2020-06-26 | 中国二十冶集团有限公司 | Core drawing and penetrating method for ultimate short shaft shoulder pole beam motor |
| 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 |
| CN113872397A (en) * | 2021-10-29 | 2021-12-31 | 中广核核电运营有限公司 | Generator rotor moving method and generator rotor drawing-through method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |