CN113839526A - Large-scale motor inner stator overturning method - Google Patents
Large-scale motor inner stator overturning method Download PDFInfo
- Publication number
- CN113839526A CN113839526A CN202111089949.XA CN202111089949A CN113839526A CN 113839526 A CN113839526 A CN 113839526A CN 202111089949 A CN202111089949 A CN 202111089949A CN 113839526 A CN113839526 A CN 113839526A
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- inner stator
- bottom plate
- plate
- push rod
- turning
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000007306 turnover Effects 0.000 claims abstract description 33
- 230000003139 buffering effect Effects 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000013459 approach Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/021—Magnetic cores
- H02K15/026—Wound cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a method for turning over an inner stator of a large-scale motor. The turnover device comprises a bottom plate used for placing the inner stator, a side plate perpendicular to the bottom plate, a limiting frame arranged on the bottom plate, a hydraulic station used for providing power, a buffering guard plate, a first hydraulic push rod used for turning over the bottom plate, a second hydraulic push rod used for lifting the buffering plate, and a rotating shaft connected to the side plate and the hydraulic station, wherein the bottom plate can be turned over around the second rotating shaft under the pushing of the first hydraulic push rod, and the turnover action of the inner stator is completed. The method does not need manual approach, has high safety factor, and the turnover device has simple structure, is safe and reliable and can effectively solve the turnover problem of the large-sized inner stator in production.
Description
Technical Field
The invention relates to a method for overturning an inner stator of a large motor.
Background
In the motor with the large outer rotor structure, a stator is arranged inside a rotor, and a coil is fully embedded in a peripheral iron core of the stator. And the mass of the large motor inner stator after assembly is heavier, some of the large motor inner stator can reach more than 15t, and the large motor inner stator needs to be turned over when paint dipping and curing are carried out. How to guarantee that the coil can not damage during the upset, how to overturn the internal stator of high efficiency safety is the problem that needs fine solution.
At present, in the production process of a traditional motor, a large-tonnage double-ditch crane is used for overturning, the efficiency and the safety of the process method are poor, because the method is used for overturning, one end of an inner stator must be lifted, a worker installs a dummy shaft at the other end of the lifted inner stator for protection, then one end provided with the dummy shaft is placed on a boss, a transition hanging ring is arranged at the end of the dummy shaft, then the crane is used for lifting both ends, one lifting hook of the crane is controlled to be upwards, and the other lifting hook is controlled to be downwards, so that the overturning is completed. The method is not only low in efficiency, but also brings potential safety hazards to operators.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art. The invention provides a turning method for an inner stator of a large-sized motor, which is used for turning the inner stator from a vertical state to a horizontal state through a turning device. The turning method provided by the invention does not need manual approach, has high safety factor, has a simple structure, is safe and reliable, and can effectively solve the turning problem of a large-sized inner stator in production.
Furthermore, the turnover device comprises a bottom plate used for placing the inner stator, a side plate perpendicular to the bottom plate, a limiting frame arranged on the bottom plate, a hydraulic station used for providing power, a buffering guard plate, a first hydraulic push rod used for turning over the bottom plate, a second hydraulic push rod used for lifting the buffering plate, and a rotating shaft connected to the side plate and the hydraulic station, wherein the bottom plate can be turned over around the rotating shaft under the pushing of the first hydraulic push rod, and the turning action of the inner stator is completed.
Further, the overturning method for the inner stator of the large-scale motor comprises the following steps: turning the inner stator from a vertical state to a horizontal state through a turning device, firstly selecting a limiting frame suitable for the diameter of the inner stator to be turned, and installing the limiting frame on a bottom plate of the turning device; secondly, starting a hydraulic station to provide power for the turnover device, lifting a second hydraulic push rod, and adjusting the height of a buffer protection plate to align the horizontal center line of the buffer protection plate with the horizontal center line of the inner stator iron core; hoisting the inner stator to the base of the turnover device by using the travelling crane again, and enabling the central shaft of the inner stator to penetrate through the limiting frame to fix the inner stator; and then starting the first hydraulic push rod to lift so that the bottom plate of the turnover device rotates around the rotating shaft to turn over the inner stator for 90 degrees, and finally, hanging the turned inner stator out of the bottom plate by a travelling crane and resetting the turnover device.
Furthermore, a plurality of through holes which are uniformly distributed are formed in the thickness direction of the bottom plate and used for dispersing stress borne by the bottom plate, and a first long hole used for installing a limiting frame is further formed in the bottom plate.
Furthermore, the side plate is fixedly connected with the bottom plate and is perpendicular to the bottom plate, a rotating shaft is arranged at the joint of the lower end of the side plate and the hydraulic station, and a plurality of through holes are uniformly formed in the thickness direction of the side plate.
Further, spacing setting is on the bottom plate, be provided with U type notch in the middle of the spacing, U type notch edge is provided with semicircle type support, spacing both sides all are provided with the second slot hole, the second slot hole corresponds with the first slot hole level on the bottom plate, hole distance between two first slot holes equals the hole distance between two second slot holes.
Furthermore, the second hydraulic push rod is arranged at one end, close to the side plate, of the bottom plate, a buffering protection plate is arranged on the second hydraulic push rod, and the height of the buffering protection plate can be adjusted through the second hydraulic push rod.
Furthermore, the section of the buffering protection plate is set to be in a large V shape, the buffering protection plate can move up and down along the edge of the side plate under the action of the second hydraulic push rod, and the height of the buffering protection plate is adjusted to enable the horizontal center line of the buffering protection plate to be aligned with the horizontal center line of the inner stator iron core.
Furthermore, the first hydraulic push rod is arranged below the bottom plate and located on the outer side of the center line of the bottom plate, and the first hydraulic push rod is started to drive the bottom plate to turn around the rotating shaft.
Further, the turnover degree of the turnover device can be 0-90 degrees.
The invention has the following beneficial effects:
1. the turnover device is simple and reliable and has strong operability due to the design of the bottom plate, the side plate and the rotating shaft device.
2. According to the turnover device, the coil is not in direct contact with the turnover device in the turnover process of the inner stator, the turnover process is slow and adjustable and has buffering, the inner stator cannot be damaged, the workbench is controlled, the automation degree is high, and the turnover device is safe and efficient.
3. According to the turnover device, the limiting frame arranged on the bottom plate is provided with the U-shaped notch, so that the inner stator can enter and exit from the U-shaped notch to complete turnover.
4. The two sides of the limiting frame are respectively provided with a long hole which vertically corresponds to the long hole on the bottom plate, different limiting frames are designed with different hole distances, and the turning device can be suitable for turning inner stators with different diameters by replacing different limiting frames.
5. The turning method provided by the invention does not need manual approach and has high safety factor.
In conclusion, the invention has simple structure, safety and reliability, and can effectively solve the problem of overturning of large-sized inner stators in production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, wherein the same or similar elements are denoted by the same reference numerals. It is obvious that the drawings in the following description are only embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from the provided drawings without inventive effort.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a right side view structural schematic of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of a spacing frame of the present invention;
description of reference numerals: 1-bottom plate, 2-side plate, 3-spacing frame, 4-hydraulic station, 5-buffer guard plate, 6-first hydraulic push rod, 7-second hydraulic push rod, 8-rotating shaft, 9-inner stator, 11-first long hole, 31-U-shaped notch, 32-semicircular bracket and 33-second long hole.
Detailed Description
Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.
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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art.
In addition, technical features involved in various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other, and unless otherwise specified, devices and materials used in the following examples are commercially available, and if processing conditions are not explicitly specified, please refer to a purchased product specification or follow a conventional method in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this embodiment, as shown in fig. 1, a method for turning over an inner stator of a large-scale motor includes a bottom plate 1 for placing the inner stator, a side plate 2 perpendicular to the bottom plate 1, a limiting frame 3 disposed on the bottom plate 1, a hydraulic station 4 for providing power, a buffer guard plate 5, a first hydraulic push rod 6 for turning over the bottom plate 1, a second hydraulic push rod 7 for lifting the buffer plate, and a rotating shaft 8 connected to the side plate 2 and the hydraulic station 4, where the bottom plate 1 can be turned over around the rotating shaft 8 under the pushing of the first hydraulic push rod 6, so as to complete a turning action of the inner stator.
In the present embodiment, as shown in fig. 1, the bottom plate 1 is provided with a plurality of through holes uniformly distributed in the thickness direction for dispersing the stress applied on the bottom plate 1, and the technical purpose is as follows: when the inner stator 9 is placed on the base plate 1, in order to disperse the stress to which the base plate 1 is subjected, the life span of the base plate 1 is increased.
In this embodiment, as shown in fig. 1, the side plate 2 is connected to the bottom plate 1 and is disposed perpendicular to the bottom plate 1, and a rotating shaft 8 is disposed at a connection position of a lower end of the side plate 2 and the hydraulic station 4, and it is a technical object that the bottom plate 1 can be turned around the rotating shaft 8 under the pushing of the first hydraulic push rod 6, so as to complete the turning operation of the inner stator 9. In this implementation, evenly be provided with a plurality of through-holes on curb plate 2, its technical objective is: when the inner stator 9 is turned over to the side plate 2, in order to disperse the stress applied to the side plate 2, the life span of the side plate 2 is increased.
In this embodiment, as shown in fig. 1 and 3, the bottom plate 1 is further provided with a first long hole 11 for installing the limiting frame 3. Spacing 3 sets up on bottom plate 1, be provided with U type notch 31 in the middle of spacing 3, U type notch 31 edge is provided with semicircle type support 32, spacing 3 both sides all are provided with second slot hole 33, second slot hole 33 corresponds with the first slot hole 11 level on the bottom plate 1, hole distance between two first slot holes 11 equals and the hole distance between two second slot holes 33. As shown in fig. 4, the U-shaped notches with different sizes and the semicircular brackets with different sizes are designed according to different processes and different types of limiting frames, and the same hole pitch of the two second long holes is designed for different limiting frames, so that the turnover device is suitable for inner stators with different diameters by replacing the limiting frames according to different processes. Meanwhile, because different limiting frames are designed with the same pitch of the two second long holes, the limiting frame 3 can be matched and fixed with the first long hole 11 on the bottom plate 1, and meanwhile, an adaptive fixing position can be selected according to the diameter of the inner stator.
In the embodiment, as shown in fig. 2 and 3, the second hydraulic push rod 7 is arranged at one end of the bottom plate 1 close to the side plate 2, the second hydraulic push rod 7 is provided with the buffer guard plate 5, and the second hydraulic push rod 7 can adjust the height of the buffer guard plate 5. The section of the buffering protection plate 5 is set to be in a large V shape, the buffering protection plate 5 can move up and down along the edge of the side plate 2 under the action of the second hydraulic push rod 7, the height of the buffering protection plate 5 is adjusted to enable the horizontal center line of the buffering protection plate 5 to be aligned with the horizontal center line of the iron core of the inner stator 9, and the buffering protection plate is made of rubber. Its technical aim at, the buffering backplate 5 that designs into big V structure can form two point supports to internal stator 9, improves and supports intensity, and the rubber material has certain pliability simultaneously and can not cause the damage to internal stator core at the upset in-process, and the aim at that the horizontal central line that adjustment buffering backplate 5 highly made buffering backplate 5 and internal stator 9 iron core horizontal central line align forms balanced support at upset in-process buffering backplate 5 to internal stator.
In this embodiment, as shown in fig. 1, the first hydraulic push rod is disposed below the bottom plate 1 and located outside the center line of the bottom plate 1, and the first hydraulic push rod is activated to drive the bottom plate 1 to turn around the rotating shaft 8. The turnover degree of the turnover device is 0-90 degrees. The turning angle is adjustable and can be stopped, the speed is adjustable, the turning force and the turning angle can be controlled in the turning process, and emergency can be controlled.
A method for turning over the internal stator of large-scale motor features that the base plate (1) can be turned over around the rotary axle (8) under the action of the first hydraulic push rod (6) to turn over the internal stator.
A method for overturning an inner stator of a large motor comprises the following steps: turning the inner stator from a vertical state to a horizontal state through a turning device, firstly selecting a limiting frame 3 suitable for the diameter of the inner stator to be turned, installing the limiting frame on a bottom plate 1 of the turning device, secondly, starting a hydraulic station 4 to inject oil to provide power for the turning device, lifting a second hydraulic push rod 7, adjusting the height of a buffer protection plate 5 to enable the horizontal center line of the buffer protection plate 5 to be aligned with the horizontal center line of an iron core of the inner stator, then, using a travelling crane to hoist the inner stator to a base of the turning device again, adjusting to enable the center shaft of the inner stator to penetrate through the limiting frame 3, fixing the inner stator, then, starting a first hydraulic push rod 6 to lift to enable the bottom plate 1 of the turning device to rotate around a rotating shaft 8, turning the inner stator for 90 degrees is completed, finally, using the travelling crane to lift the turned inner stator out from a U-shaped notch 31 of the bottom plate 1, and resetting the turning device.
Therefore, in the technical field of turning the inner stator of the large-scale motor, all technical contents including technical characteristics such as a useful bottom plate, a rotating shaft and the like are in the protection scope of the invention. The above embodiment is only one implementation form of the turning of the stator in the large motor provided by the present invention, and other variations of the scheme provided by the present invention, increasing or decreasing the components or steps therein, or applying the present invention to other technical fields close to the present invention, all belong to the protection scope of the present invention.
Claims (10)
1. A method for overturning an inner stator of a large motor is characterized by comprising the following steps: and turning the inner stator from a vertical state to a horizontal state through a turning device.
2. The turning method of the inner stator of the large-scale motor as claimed in claim 1, wherein: the turnover device comprises a bottom plate used for placing the inner stator, a side plate perpendicular to the bottom plate, a limiting frame arranged on the bottom plate, a hydraulic station used for providing power, a buffering guard plate, a first hydraulic push rod used for turning over the bottom plate, a second hydraulic push rod used for lifting the buffering plate, and a rotating shaft connected to the side plate and the hydraulic station, wherein the bottom plate can be turned over around the rotating shaft under the pushing of the first hydraulic push rod, and the turnover action of the inner stator is completed.
3. The turning method of the inner stator of the large-scale motor as claimed in claim 2, wherein: the method comprises the following steps: turning the inner stator from a vertical state to a horizontal state through a turning device, firstly selecting a limiting frame suitable for the diameter of the inner stator to be turned, and installing the limiting frame on a bottom plate of the turning device; secondly, starting a hydraulic station to provide power for the turnover device, lifting a second hydraulic push rod, and adjusting the height of a buffer protection plate to align the horizontal center line of the buffer protection plate with the horizontal center line of the inner stator iron core; hoisting the inner stator to the base of the turnover device by using the travelling crane again, and enabling the central shaft of the inner stator to penetrate through the limiting frame to fix the inner stator; and then starting the first hydraulic push rod to lift so that the bottom plate of the turnover device rotates around the rotating shaft to turn over the inner stator for 90 degrees, and finally, hanging the turned inner stator out of the bottom plate by a travelling crane and resetting the turnover device.
4. The turning method of the inner stator of the large-scale motor as claimed in claim 3, wherein: the bottom plate is provided with a plurality of through holes which are uniformly distributed in the thickness direction and used for dispersing stress on the bottom plate, and the bottom plate is also provided with a first long hole used for installing a limiting frame.
5. The turning method of the inner stator of the large-scale motor as claimed in claim 3, wherein: the side plate is fixedly connected with the bottom plate and is perpendicular to the bottom plate, a rotating shaft is arranged at the joint of the lower end of the side plate and the hydraulic station, and a plurality of through holes are uniformly formed in the thickness direction of the side plate.
6. The turning method of the inner stator of the large-scale motor as claimed in claim 3, wherein: spacing setting is on the bottom plate, be provided with U type notch in the middle of the spacing, U type notch edge is provided with semicircle type support, spacing both sides all are provided with the second slot hole, the second slot hole corresponds with the first slot hole level on the bottom plate, hole distance between two first slot holes equals the hole distance between two second slot holes.
7. The turning method of the inner stator of the large-scale motor as claimed in claim 3, wherein: the second hydraulic push rod is arranged at one end, close to the side plate, of the bottom plate, a buffering protection plate is arranged on the second hydraulic push rod, and the height of the buffering protection plate can be adjusted through the second hydraulic push rod.
8. The turning method of the inner stator of the large-scale motor as claimed in claim 3, wherein: the section of the buffering protection plate is set to be in a large V shape, the buffering protection plate can move up and down along the edge of the side plate under the action of the second hydraulic push rod, and the height of the buffering protection plate is adjusted to enable the horizontal center line of the buffering protection plate to be aligned with the horizontal center line of the inner stator iron core.
9. The turning method of the inner stator of the large-scale motor as claimed in claim 3, wherein: the first hydraulic push rod is arranged below the bottom plate and located on the outer side of the center line of the bottom plate, and the first hydraulic push rod is started to drive the bottom plate to turn around the rotating shaft.
10. The method for turning over the large-sized motor inner stator according to any one of claims 1 to 9, wherein: the turnover degree of the turnover device is 0-90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111089949.XA CN113839526B (en) | 2021-09-17 | 2021-09-17 | Large-scale motor inner stator overturning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111089949.XA CN113839526B (en) | 2021-09-17 | 2021-09-17 | Large-scale motor inner stator overturning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113839526A true CN113839526A (en) | 2021-12-24 |
| CN113839526B CN113839526B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111089949.XA Active CN113839526B (en) | 2021-09-17 | 2021-09-17 | Large-scale motor inner stator overturning method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361375A (en) * | 2011-10-30 | 2012-02-22 | 山东华力电机集团股份有限公司 | Object turnover device |
| CN202384943U (en) * | 2011-12-31 | 2012-08-15 | 南车株洲电机有限公司 | Overturning device |
| CN207542958U (en) * | 2017-11-13 | 2018-06-26 | 淄博市金达冲剪有限公司 | The quick tipper of stator |
| CN208971347U (en) * | 2018-12-13 | 2019-06-11 | 成都铁展科技有限公司 | A kind of stator tipper of locomotive stand-by motor |
| CN113043210A (en) * | 2021-04-22 | 2021-06-29 | 北京奥普科星技术有限公司 | Large-scale overturning platform for assembling tube-shaped equipment such as pipe jacking machine |
-
2021
- 2021-09-17 CN CN202111089949.XA patent/CN113839526B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361375A (en) * | 2011-10-30 | 2012-02-22 | 山东华力电机集团股份有限公司 | Object turnover device |
| CN202384943U (en) * | 2011-12-31 | 2012-08-15 | 南车株洲电机有限公司 | Overturning device |
| CN207542958U (en) * | 2017-11-13 | 2018-06-26 | 淄博市金达冲剪有限公司 | The quick tipper of stator |
| CN208971347U (en) * | 2018-12-13 | 2019-06-11 | 成都铁展科技有限公司 | A kind of stator tipper of locomotive stand-by motor |
| CN113043210A (en) * | 2021-04-22 | 2021-06-29 | 北京奥普科星技术有限公司 | Large-scale overturning platform for assembling tube-shaped equipment such as pipe jacking machine |
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| Publication number | Publication date |
|---|---|
| CN113839526B (en) | 2023-03-17 |
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