CN110734019A - Stator turnover device of large-scale main generator - Google Patents
Stator turnover device of large-scale main generator Download PDFInfo
- Publication number
- CN110734019A CN110734019A CN201911052802.6A CN201911052802A CN110734019A CN 110734019 A CN110734019 A CN 110734019A CN 201911052802 A CN201911052802 A CN 201911052802A CN 110734019 A CN110734019 A CN 110734019A
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- Prior art keywords
- stator
- clamp
- main generator
- generator stator
- support frame
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses an large-scale main generator stator overturning device which comprises a supporting base, a stator clamp, a supporting frame group and an overturning driving mechanism, wherein the stator clamp is used for clamping and fixing a generator stator, a hollow opening suitable for the stator clamp to overturn and move is formed in the supporting base, the supporting frame group comprises pairs of supporting frame bodies symmetrically arranged on the supporting base, rotating shafts which are correspondingly matched with pairs of supporting frame bodies respectively and are suitable for rotating relative to the supporting frame bodies, the end of each rotating shaft is connected with the stator clamp through a clamp flange, the overturning driving mechanism comprises a transmission connecting structure suitable for being connected with the other end of each rotating shaft and a driving force structure connected with the transmission connecting structure.
Description
Technical Field
The invention relates to the technical field of manufacturing and processing of generators, in particular to an large-scale main generator stator turnover device.
Background
The HXN5 type locomotive is a high-power alternating current transmission internal combustion locomotive for trunk freight, wherein a main generator set is which is a key important part of the locomotive, a stator of a main generator needs to be turned over at different angles accurately during assembly and maintenance, but the stator is complex in structure and large in size, and the net weight reaches 5 tons, so that the problem is caused in the turning procedure of the stator of the main generator, and the manufacturing stability and the high efficiency of the main generator are greatly limited.
In the prior art, for example, the technical method and the device for electronic overturning in the large wind driven generator disclosed by the publication number CN101986527A need to install a dummy shaft on a stator to realize the overturning of the stator by an overturning device, so that a matching part special for and matched with the dummy shaft needs to be designed on the stator, and the matching part of the dummy shaft and the stator is only partial structures on the stator, and in order to ensure the stability in the overturning process of the stator, the stator itself needs to be improved to ensure that the connection between the dummy shaft and the stator is absolutely firm.
Disclosure of Invention
The invention aims to provide large-scale main generator stator turnover devices to solve the technical problems of improvement of convenience in use and applicability of the turnover devices .
The stator turnover device of the large-scale main generator is realized by the following steps:
A stator turnover device of a large main generator, comprising:
the stator clamp is used for clamping and fixing the generator stator;
the supporting base is provided with a hollow-out opening suitable for the stator clamp to overturn and move;
the supporting frame group comprises pairs of supporting frame bodies symmetrically arranged on the supporting base, and rotating shafts which are correspondingly matched with pairs of supporting frame bodies and are suitable for rotating relative to the supporting frame bodies, wherein the ends of the rotating shafts are connected with the stator clamp through clamp flanges;
a tumble drive mechanism including a drive coupling structure adapted to be connected to the other end of the swivel shaft, and a drive force structure connected to the drive coupling structure.
In a preferred embodiment of the present invention, the stator clamp is an L-shaped structure, that is, the stator clamp includes a transverse portion, a longitudinal portion fixedly connected to the transverse portion, and a side connecting portion disposed between the transverse portion and the longitudinal portion;
the side connecting part is used for being connected with the clamp flange to realize the connection of the stator clamp and the support frame body.
In a preferred embodiment of the present invention, limiting blocks suitable for corresponding to the protrusions on the transverse portion are respectively disposed on the supporting base and beside the opposite side edges of corresponding to the hollow openings.
In the preferred embodiment of the present invention, the rotating shaft is erected on the supporting frame body, and the rotating shaft realizes the limitation of the position of the rotating shaft relative to the supporting frame body through pressing pieces.
In the preferred embodiment of the present invention, bearing members are further provided between the rotation shaft and the support frame body and the pressing member.
In a preferred embodiment of the present invention, the pressing member comprises a semi-circular base adapted to press against the bearing member, and pairs of wings connected to the base for fastening to a support frame;
the support frame body has the corresponding bearing piece's semicircular structure be used for holding the sunken chamber of bearing piece, and be located the radial both sides in sunken chamber are equipped with respectively and are used for the connecting portion that match with the wing.
In a preferred embodiment of the present invention, the driving force structure includes a speed reducer connected to the transmission coupling structure, and a servo motor connected to the speed reducer.
In a preferred embodiment of the present invention, the servo motor is electrically connected to a rotation speed controller adapted to control a rotation speed of the servo motor.
In the preferred embodiment of the present invention, the folding driving structure is mounted on the supporting base by fixing frames.
By adopting the technical scheme, the large-scale main generator stator overturning device has the beneficial effects that the stator clamp for clamping and fixing the generator stator is designed, so that the overturning device can drive the generator stator to overturn through overturning the stator clamp, namely, the generator stator does not need to be reformed, the overturning operation procedure is simplified, and the applicability to different generator stators is improved.
Drawings
Fig. 1 is a schematic structural diagram of a stator turnover device of a large-scale main generator according to the present embodiment;
fig. 2 is a schematic structural diagram of the stator turnover device of the large-scale main generator according to the embodiment at a second view angle;
fig. 3 is a schematic structural diagram of the stator turnover device of the large-scale main generator according to the third view angle of the present embodiment.
In the figure: the large-scale main generator comprises a large-scale main generator stator 1, a transverse part 2, a longitudinal part 3, a convex part 4, a side connecting part 5, a clamping structure 6, a hollowed-out opening 7, a supporting frame body 8, a rotating shaft 9, a clamp flange 10, a transmission connecting structure 11, an output shaft 12, a speed reducer 14, a servo motor 15, a rotating speed controller 16, a fixing frame 17, a limiting block 18, a base body 21, wings 22 and a bearing piece 23.
Detailed Description
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description taken in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, the present embodiment provides large main generator stator turnover devices, which include a supporting base, a stator clamp, a supporting frame set and a turnover driving mechanism.
Specifically, first, a stator jig is used to clamp and fix a generator stator, and the stator jig is an L-shaped structure, that is, the stator jig includes a transverse portion 2, a longitudinal portion 3 fixedly connected to the transverse portion 2, and a side connecting portion 5 provided between the transverse portion 2 and the longitudinal portion 3.
It should be noted that, the stator fixture is provided with the clamping structure 6 adapted to clamp the generator stator from the side wall of the generator stator, the embodiment of the clamping structure 6 herein is not limited in any way, and for example, but not limited to, a winding stator core turning tool disclosed in the prior art, for example, with the publication number CN102306984A, may be used to clamp and fix the generator stator relative to the stator fixture.
Secondly, offer the fretwork mouth 7 that is suitable for stator anchor clamps upset activity on supporting base 13, the significance of design lies in driving the in-process of generator stator upset at stator anchor clamps like this, the bottom of stator anchor clamps need not reserve very high clearance for supporting base, that is to say need not say that stator anchor clamps erect very high for supporting base 13, can realize stator anchor clamps required space in the upset in-process through the abdicating of fretwork mouth 7, under such structure, it is also more convenient to carry out generator stator's centre gripping and dismantlement on stator anchor clamps, can not erect too high and cause the inconvenience of operation because of stator anchor clamps for supporting base 13.
Furthermore, the support frame set comprises pairs of support frame bodies 8 symmetrically arranged on the support base, rotating shafts 9 correspondingly matched with pairs of support frame bodies 8 respectively and suitable for rotating relative to the support frame bodies 8, ends of the rotating shafts 9 are connected with the stator clamp through clamp flanges 10, and side connecting parts 5 are used for being connected with the clamp flanges 10 to realize the connection of the stator clamp and the support frame bodies 8.
Finally, the tumble drive mechanism includes a drive coupling 11 adapted to be connected to the other end of the rotating shaft 9, and a drive structure connected to the drive coupling 11, where the drive coupling may be, for example and without limitation, a shaft coupling, where the tumble drive structure is mounted on the support base by means of a mount 17, the drive structure includes a reducer 14 connected to the drive coupling 11, and a servomotor 15 connected to the reducer 14, where an output shaft 12 of the reducer 14 is connected to the drive coupling 11.
In the preferred embodiments, the servo motor 15 is electrically connected to a rotation speed controller 16 adapted to control the rotation speed of the servo motor 15, that is, the rotation speed controller 16 is used to control the rotation speed of the servo motor 15, so as to control the turnover speed of the generator electronics in the synchronous turnover process with the stator clamp, it should be noted herein that, the rotation speed controller 16 of the present embodiment may be implemented by using a rotation speed controller 16 of the motor and a rotation speed control method of the motor disclosed in the prior art, for example, the publication No. CN104539200B, and this embodiment is not limited in any way, that is, as long as the precise control of the rotation speed of the servo motor 15 of the present embodiment can be implemented, the use requirement of the present embodiment is met.
In an optional embodiments, in the process of ending the return trip of the stator clamp driving the generator stator to turn over, in order to sense that the stator clamp returns to a proper position, limiting blocks 18 suitable for the protrusions 4 on the corresponding transverse portion 2 are respectively disposed on the supporting base and located at the side of the opposite side edge of the corresponding of the hollow 7 in this embodiment, that is, the limiting blocks 18 are designed on the side of the rotation direction of the stator clamp turning process, that is, the limiting blocks 18 do not affect the turning of the stator clamp, and only form resistance to prevent the stator clamp from returning excessively after the stator clamp returns.
It should be noted that the rotation shaft 9 is supported on the support frame body 8, and the rotation shaft 9 is limited in position relative to the support frame body 8 by pressing members, and bearing members 23 are provided between the rotation shaft 9 and the support frame body 8 and the pressing members, so that the rotation shaft 9 can be rotated by the driving force structure.
In more detail, the pressing member includes a semi-circular base 21 adapted to be pressed against the bearing member 23, and pairs of wings 22 connected to the base 21 for fixedly connecting to the support frame 8. the support frame 8 has a recessed cavity corresponding to the semi-circular structure of the bearing member 23 for accommodating the bearing member 23, and connecting portions for mating with the wings 22 are respectively disposed at two radial sides of the recessed cavity.
The specific implementation principle of the large-scale main generator stator 1 turnover device of the embodiment is as follows:
the generator stator is fixed on a stator fixture, the connection with a support frame group is realized through a fixture flange 10 of the stator fixture, then the rotation of a rotating shaft 9 of the support frame group is realized through a driving force structure, so that the rotation of the rotating shaft 9 drives the stator fixture to turn, and in the process of turning the stator fixture relative to a support base, the generator stator fixed on the stator fixture also realizes the corresponding turning process.
The above embodiments, objects, technical solutions and advantages of the present invention have been described in detail with reference to , it should be understood that the above embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like shall be understood as , for example, either fixedly connected, detachably connected, or integrally, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, communicating between two elements, or interacting between two elements.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that the products of the present invention usually place when in use, and are only used for convenience of description and simplicity of description, but do not indicate or imply that the mechanism or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Further, the terms "horizontal," "vertical," "overhang," and the like do not imply that the components are absolutely horizontal or overhang, but rather may be slightly inclined.
In the present invention, unless expressly stated or limited otherwise, a feature may include both the th feature and the second feature in direct contact over or under the second feature, and may also include the th feature and the second feature in contact through additional features not directly but rather between them, moreover, a feature includes the th feature directly above and obliquely above the second feature above, above and above the second feature, or merely means that the th feature is at a higher level than the second feature, the th feature includes the th feature directly below and obliquely below the second feature below, below and below the second feature, or merely means that the th feature is at a lower level than the second feature.
Claims (9)
1, large-scale main generator stator turning device, characterized by comprising.
The stator clamp is used for clamping and fixing the generator stator;
the supporting base is provided with a hollow-out opening suitable for the stator clamp to overturn and move;
the supporting frame group comprises pairs of supporting frame bodies symmetrically arranged on the supporting base, and rotating shafts which are correspondingly matched with pairs of supporting frame bodies and are suitable for rotating relative to the supporting frame bodies, wherein the ends of the rotating shafts are connected with the stator clamp through clamp flanges;
a tumble drive mechanism including a drive coupling structure adapted to be connected to the other end of the swivel shaft, and a drive force structure connected to the drive coupling structure.
2. The large main generator stator turnover device according to claim 1, wherein the stator clamp is an L-shaped structure, that is, the stator clamp includes a transverse portion, a longitudinal portion fixedly connected to the transverse portion, and a side connection portion provided between the transverse portion and the longitudinal portion;
the side connecting part is used for being connected with the clamp flange to realize the connection of the stator clamp and the support frame body.
3. The large main generator stator turnover device according to claim 2, wherein limiting blocks adapted to correspond to the protrusions of the lateral portions are respectively disposed on the supporting base and beside the opposite side edges of corresponding to the openings.
4. The large main generator stator turnover device according to claim 1, wherein the rotation shaft is erected on the support frame body, and the rotation shaft is limited in position relative to the support frame body by pressing members.
5. The large main generator stator turnover device according to claim 4, wherein bearing members are further provided between the rotation shaft and the support frame body and the pressing member.
6. The large main generator stator upender apparatus as claimed in claim 5, wherein the compressing member comprises a semi-circular base adapted to be compressed against the bearing member, and pairs of wings connected to the base for fastening to a support frame;
the support frame body has the corresponding bearing piece's semicircular structure be used for holding the sunken chamber of bearing piece, and be located the radial both sides in sunken chamber are equipped with respectively and are used for the connecting portion that match with the wing.
7. The large main generator stator upender apparatus of claim 1 wherein the driving force structure includes a reducer connected to a drive linkage, and a servo motor connected to the reducer.
8. The large main generator stator turnover device according to claim 7, wherein the servo motor is electrically connected to a rotational speed controller adapted to control a rotational speed of the servo motor.
9. The large main generator stator upender apparatus of claim 1 wherein the fold-over drive structure is mounted to the support base by mounts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052802.6A CN110734019A (en) | 2019-10-31 | 2019-10-31 | Stator turnover device of large-scale main generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052802.6A CN110734019A (en) | 2019-10-31 | 2019-10-31 | Stator turnover device of large-scale main generator |
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| Publication Number | Publication Date |
|---|---|
| CN110734019A true CN110734019A (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911052802.6A Pending CN110734019A (en) | 2019-10-31 | 2019-10-31 | Stator turnover device of large-scale main generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400264A (en) * | 2021-05-13 | 2021-09-17 | 中核检修有限公司 | A overhaul rack for valve equipment overhauls |
| CN113676008A (en) * | 2020-05-15 | 2021-11-19 | 丰田自动车株式会社 | Stator core supporting device and stator core supporting method |
| CN115139077A (en) * | 2021-03-30 | 2022-10-04 | 东莞市纽格尔行星传动设备有限公司 | Planetary reducer assembling mechanism and method thereof |
-
2019
- 2019-10-31 CN CN201911052802.6A patent/CN110734019A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113676008A (en) * | 2020-05-15 | 2021-11-19 | 丰田自动车株式会社 | Stator core supporting device and stator core supporting method |
| CN115139077A (en) * | 2021-03-30 | 2022-10-04 | 东莞市纽格尔行星传动设备有限公司 | Planetary reducer assembling mechanism and method thereof |
| CN113400264A (en) * | 2021-05-13 | 2021-09-17 | 中核检修有限公司 | A overhaul rack for valve equipment overhauls |
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