KR102053170B1 - Method for Manufacturing Rotational Machinery - Google Patents

Method for Manufacturing Rotational Machinery Download PDF

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Publication number
KR102053170B1
KR102053170B1 KR1020130146541A KR20130146541A KR102053170B1 KR 102053170 B1 KR102053170 B1 KR 102053170B1 KR 1020130146541 A KR1020130146541 A KR 1020130146541A KR 20130146541 A KR20130146541 A KR 20130146541A KR 102053170 B1 KR102053170 B1 KR 102053170B1
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KR
South Korea
Prior art keywords
rotor
stator
coupling
guide
guide bar
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KR1020130146541A
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Korean (ko)
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KR20150062243A (en
Inventor
김주필
강성민
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현대일렉트릭앤에너지시스템(주)
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Priority to KR1020130146541A priority Critical patent/KR102053170B1/en
Publication of KR20150062243A publication Critical patent/KR20150062243A/en
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Publication of KR102053170B1 publication Critical patent/KR102053170B1/en

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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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The present invention comprises the steps of coupling the first guide plate for guiding the rotor inserted into the stator to the rotor, the guide bar for guiding the first guide plate to the stator, and the rotor inside the stator It relates to a rotating device manufacturing method comprising the step of descending,
According to the present invention, it is possible to prevent the collision with each other in the process of inserting the rotor into the stator, thereby improving the quality for the rotating machine.

Description

Method for Manufacturing Rotational Machinery}

The present invention relates to a rotating device manufacturing method for manufacturing a rotating device such as a generator and an electric motor.

A generator is a device that generates electromotive force to a coil of a stator by rotating a magnetized rotor, and an electric motor is a device that induces rotational force to a rotor by applying power to a stator. Rotating devices such as generators and electric motors are generally formed in a structure including a stator fixed to a frame and a rotor fixed to a rotating shaft to rotate inside the stator.

The permanent magnet rotating device manufacturing method according to the prior art is made by inserting the rotor horizontally to the stator. However, in the method of manufacturing a permanent magnet rotating device according to the prior art, the rotor including the permanent magnet is horizontally inserted into the stator by the magnetic force. Accordingly, the permanent magnet rotating device manufacturing method according to the prior art has a difficulty in the process of inserting the rotor into the stator, causing a problem that the quality of the rotating device is degraded as the stator and the rotor is damaged.

Publication No. 10-2011-0123227 (2011.11.14.)

The present invention has been made to solve the above-described problems, and to provide a method for manufacturing a rotating machine to prevent the collision with each other in the process of inserting the rotor into the stator.

In order to solve the problem as described above, the present invention may include the following configuration.

Method for manufacturing a rotating machine according to the present invention comprises the steps of coupling the first guide plate for guiding the rotor to be inserted into the stator, the guide bar for guiding the first guide plate to the stator, and the And lowering the rotor into the stator.

In the method for manufacturing a rotating machine according to the present invention, the coupling of the guide bar to the stator may include: coupling a second guide plate to the stator, coupling the guide bar to the second guide plate, and a nonmagnetic material. It may comprise a step of coupling the guide block made of the guide bar.

In the method for manufacturing a rotating machine according to the present invention, the lowering of the rotor may include coupling a dummy shaft to assist the insertion of the rotor to the stator, coupling the rotor to the dummy shaft and lowering the guide bar. And coupling the rotor to the stator shield, and separating the dummy shaft from the rotor.

In the method of manufacturing a rotary machine according to the present invention, the step of coupling the rotor to the dummy shaft and descending along the guide bar may include lowering the height of the guide block by removing the guide block one layer from the guide bar. The rotor may be lowered by a distance.

According to the present invention, the following effects can be obtained.

The present invention can prevent the collision with each other in the process of inserting the rotor into the stator, thereby improving the quality for the rotating machine.

1 is a flow chart for explaining a method for manufacturing a rotating machine according to an embodiment of the present invention;
Figure 2 is an exploded view for explaining that the stator is supported in a standing state
3 is an exploded view for explaining the rotor and the stator;
4 is a perspective view for explaining a state immediately before inserting the rotor into the stator;
5 is a flowchart illustrating a method for manufacturing a rotating machine according to another example of the present invention.
Figure 6 is a perspective view for explaining the guide bar and the guide block
7 is a flowchart illustrating a method for manufacturing a rotating machine according to another embodiment of the present invention.
8 is a perspective view for explaining the dummy shaft
Figure 9 is a side view for explaining that the frame is supported horizontally

In the present specification, in adding reference numerals to the components of each drawing, it should be noted that the same components have the same number as much as possible even though they are displayed on different drawings.

On the other hand, the meaning of the terms described in this specification should be understood as follows.

Singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and the terms “first”, “second”, etc. are used to distinguish one component from another. The scope of the rights shall not be limited by these terms.

It is to be understood that the term "comprises" or "having" does not preclude the existence or addition of one or more other features or numbers, steps, operations, components, parts or combinations thereof.

The term "at least one" should be understood to include all combinations which can be presented from one or more related items. For example, the meaning of "at least one of the first item, the second item, and the third item" means not only the first item, the second item, or the third item, but also two of the first item, the second item, and the third item. A combination of all items that can be presented from more than one.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of a rotating device manufacturing method according to the present invention will be described in detail.

1 is a flow chart for explaining a method for manufacturing a rotating machine according to an embodiment of the present invention, Figure 2 is an exploded view for explaining that the stator is supported in a standing state, Figure 3 is an exploded view for explaining the rotor and the stator 4 is a perspective view for explaining a state immediately before the rotor is inserted into the stator, FIG. 5 is a flowchart illustrating a method of manufacturing a rotating machine according to another example of the present invention, and FIG. 6 illustrates a guide bar and a guide block. 7 is a flowchart illustrating a method of manufacturing a rotary machine according to still another embodiment of the present invention, FIG. 8 is a perspective view for explaining a dummy shaft, and FIG. 9 illustrates that the frame is horizontally supported. It is a side view for doing so.

Referring to Figure 1, the rotating device manufacturing method (S) according to the present invention is for manufacturing a rotating device such as a generator and an electric motor, more specifically to prevent the collision with each other in the process of inserting the rotor into the stator. It is for. To this end, the rotating device manufacturing method (S) according to the present invention comprises the step of coupling the first guide plate for guiding the rotor inserted into the stator to the rotor (S100), the guide bar for guiding the first guide plate Coupling to the stator (S200), and lowering the rotor into the stator (S300).

Accordingly, the rotating apparatus manufacturing method (S) according to the present invention may prevent the stator and the rotor from colliding with each other when the guide bar guides the rotor inserted into the stator. Accordingly, the rotating device manufacturing method (S) according to the present invention can prevent the stator and the rotor from colliding with each other to be damaged, and further improve the quality of the rotating device.

Rotating device manufacturing method (S) according to the present invention, prior to coupling the rotor 100 and the stator 200, the prior work is made.

Hereinafter, with reference to the accompanying drawings with respect to the preceding work that can be performed in the rotary machine manufacturing method (S) according to the invention will be described in detail.

Since the rotor 100 and the stator 200 are coupled vertically, the prior work for the manufacture of the rotating machine installs the standing stator 200 on the upper side of the lower supporter 10. At this time, the base frame (B) is installed on the floor of the workplace, the lower supporter 10 is installed on the upper side of the base frame (B). The base frame B is formed with a first through hole B ′ through which the dummy shaft 40 passes. The lower supporter 10 has an upper surface opened, and the dummy shaft supporter 11 is coupled to the hollow support. The dummy shaft supporter 11 supports and guides the dummy shaft 40, and a second through hole 11 ′ for passing the dummy shaft 40 is formed. Here, the lower supporter 10 should be installed at a position where the second passage hole 11 ′ coincides with the position of the first passage hole B ′. The supporter 12 is coupled to the lower supporter 10 on an upper surface on which the stator 200 is supported. The support plate 12 is formed in a ring shape. The dummy shaft supporter 11 is coupled to the dummy shaft plate 13 for temporarily supporting the dummy shaft 40 on the upper surface. The dummy shaft plate 13 is formed in a ring shape.

Prior work on the rotor 100 couples the rotor shields 110 and 120 to the rotor body 130 to couple the rotor 100 to the stator. The rotor shields 110 and 120 are for coupling the rotor body 130 to be supported when the rotor body 130 is inserted into the stator 200. To this end, the rotor shields 110 and 120 include a load side rotor shield 110 and a half load side rotor shield 120. Here, the load side means the lower side where gravity acts in the state in which the rotor 100 is standing, and the half load side means the upper side of the rotor 100. The load side rotor shield 110 is coupled to the lower side where gravity acts on the standing rotor body 130, and the half load side rotor shield 120 is coupled to the upper side of the rotor body 130. Specifically, each of the rotor shields 110 and 120 may be coupled to a lower side and an upper side of the rotation shaft 140 coupled to the rotor body 130 through a bearing.

Prior work for the stator 200 assembles a lead cable and a sensor cable connected to the stator 200 to the terminal box 300. In addition, the preliminary work for the stator 200 installs an air guide on the lower surface and the upper surface of the stator 200.

The stator 200 includes a frame 210, a stator body 220, and stator shields 230 and 240. The stator 200 has a stator body 220 coupled to the inside of the frame 210, and stator shields 230 and 240 are coupled to the frame 210. The stator shields 230 and 240 are for coupling the rotor shields 110 and 120 to support the rotor 100 when the rotor 100 is inserted into the stator body 220. To this end, the stator shields 230 and 240 include a load side stator shield 230 coupled to the lower side of the stator 200 and a half load side stator shield 240 coupled to the upper side. Specifically, for example, the load-side stator shield 230 may be bolted to only four of the total of 12 bolt holes in the frame 210. In addition, the half load side stator shield 240 may be bolted to only eight of the total 12 bolt holes in the frame 210.

Then, the preliminary work for the stator 200 is coupled to the support plate 12 coupled to the lower supporter 10 to the stator 200 is coupled to the frame 210 and the stator shield (230, 240) . At this time, the stator 200 is erected so that the load side stator shield 230 is coupled to the support plate 12, specifically, for example, the remaining eight bolt holes of the load side stator shield 230 is the support plate Overlaid on the bolt hole of (12) is installed to be coupled by a bolt.

Hereinafter, with reference to the accompanying drawings, a rotating device manufacturing method (S) according to the present invention will be described in detail.

First, referring to Figures 1 and 4, the method for manufacturing a rotary machine (S) according to the present invention includes a first guide plate 20 for guiding the rotor 100 inserted into the stator 200, the rotor 100 It comprises a step (S100) coupled to.

The first guide plate 20 is disposed on the opposite side of the load side rotor shield 110 with respect to the half load side rotor shield 120 on the rotation shaft 140 of the rotor 100. The first guide plate 20 is bolted to the half-loaded rotor shield 120 at the upper end of the rotation shaft 140 of the rotor 100. The first guide plate 20 may be coupled to the rotation shaft 140 in a shrink fit manner, and may be coupled to a center tab processed on the rotation shaft 140.

On the other hand, the rotor 100 is coupled to the rotor coupling 30 on the opposite side of the half-load side rotor shield 120, that is, the lower end of the rotation shaft 140 based on the load side rotor shield 110. The rotor coupling 30 is to be coupled to the dummy shaft 40 in the process in which the rotor 100 is inserted into the stator 200.

Next, referring to Figures 4 to 6, the rotating device manufacturing method (S) according to the present invention is to couple the guide bar 21 for guiding the first guide plate 20 to the stator 200 A step S200 is made. Accordingly, the rotor 100 may be inserted without colliding with the stator 200 as the guide bar 21 guides the first guide plate 20.

This step (S200) is a step of coupling the second guide plate 22 to the stator 200 (S210), the step of coupling the guide bar 21 to the second guide plate 22 (S220). And coupling the guide block 23 made of a nonmagnetic material to the guide bar 21 (S230).

In the step S210 of coupling the second guide plate 22 to the stator 200, the second guide plate 22 is on the upper side of the stator 200, that is, the half-loaded stator shield 240. Combined. Specifically, for example, the second guide plate 22 may be installed to be bolted to the remaining four bolt holes of the half load side stator shield 240.

In the step S220 of coupling the guide bar 21 to the second guide plate 22, the guide bar 21 is formed to have a long length in a straight line shape. The guide bar 21 is coupled to the second guide plate 22 to protrude from the second guide plate 22 in the direction of the rotation shaft 140 of the rotor 100. Specifically, for example, the guide bar 21 is provided with a total of six may each be arranged in a circular interval with equal intervals. In addition, only four guide bars 21 are installed except two to be installed on the terminal box 300 out of a total of six.

This step (S220) may also include a step of coupling a guide bushing to the second guide plate 22.

In the step S230 of coupling the guide block 23 to the guide bar 21, the guide block 23 is made of a non-magnetic material is not affected by the magnetic force of the permanent magnet. The guide block 23 is formed in a pair, it may be disposed on both sides of the guide bar 21 to be in contact with each other. That is, the guide block 23 may be formed to penetrate by the guide bar 21. The guide block 23 is formed of a plurality, it may be coupled to be stacked on each of the plurality of guide bar (21). In this case, the guide block 23 is preferably coupled to the same height on each of the guide bar 21.

Finally, referring to Figures 4 and 6 to 8, the rotating device manufacturing method (S) according to the present invention includes the step of lowering the rotor 100 into the stator 200 (S300) Is done. This step (S300) is made by the rotor 100 is lowered vertically along the guide bar 21. Accordingly, the step (S300) is biased in the lateral direction as the force is applied only to the rotor 100 in the direction of gravity, so that the rotor 100 is inserted perpendicularly to the stator 200 is inserted horizontally. Can be prevented.

The step (S300) is a step of coupling the dummy shaft 40 to assist the insertion of the rotor 100 to the stator 200 (S310), the rotor 100 is coupled to the dummy shaft 40 and Descent along the guide bar 21 (S320), coupling the rotor 100 to the stator shields 230 and 240 (S330), and the dummy shaft 40 to the rotor 100. Separation from (S340) can be made.

Coupling the dummy shaft 40 to the stator 200 (S310) first includes installing a shaft mounting plate 24 to the half load side stator shield 240. The dummy shaft 40 is formed in a cylindrical shape, and has a length extending in the direction of the rotation shaft 140 of the rotor 100. In addition, the dummy shaft 40 includes a shaft body 41 and a shaft coupling 42 coupled to an upper end of the shaft body 41. The dummy shaft 40 is installed at the center of the stator 200. Accordingly, the shaft mounting plate 24 is formed to include a third through hole 24 ′ in the center where the dummy shaft 40 is to be installed. The diameter of the third through hole 24 ′ may be formed to correspond to the diameter of the shaft body 41. The shaft mounting plate 24 may be divided into a plurality of parts so as to be divided into both sides of the dummy shaft 40, that is, the second through hole 24 ′ for ease of removal after the dummy shaft 40 is installed. Can be formed.

Next, the step of coupling the dummy shaft 40 to the stator 200 (S310) is to lower the dummy shaft 40 into the stator 200 to pass through the shaft installation plate 24. It is made, including. In this case, the dummy shaft 40 may be hoisted by a crane. The dummy shaft 40 may pass through the shaft mounting plate 24, and then the shaft coupling 42 may be supported by the shaft mounting plate 24. In addition, the dummy shaft 40 is separated from the crane after a lower surface thereof is supported by the dummy shaft plate 13.

Coupling the rotor 100 to the dummy shaft 40 and descending along the guide bar 21 (S320), first, a rotor coupling coupled to an end of the rotation shaft 140 of the rotor 100 ( 30) is coupled to the dummy shaft 40. This step (S320) is made by entering the rotor 100 to the upper side of the stator 200 from the side of the terminal box 300, the side where the guide bar 21 is not installed. The rotor coupling 30 is coupled to the shaft coupling 42. Here, the rotor 100 may be wound on a crane. In this case, the winch shackle 50 and the link 51 may be coupled to the first guide plate 20 coupled to the rotor 100.

Next, the step (S320) comprises the step of separating the shaft mounting plate 24 from the half load side stator shield 240.

On the other hand, the step (S320) comprises the step of coupling the guide bar 21 to the remaining portion of the second guide plate 22 that is not coupled to the guide bar 21. Specifically, for example, the step S320 may couple the remaining two guide bars 21 to the second guide plate 22 so that the rotor 100 is surrounded by a total of six guide bars 21. This can be done by.

Finally, the step (S320) comprises the step of lowering the rotor 100. This step (S320) is performed while the guide bar 21 is inserted into the guide hole 20 ′ formed in the first guide plate 20. Accordingly, the step S320 is lowered along the guide bar 21. In this case, the step S320 is performed by removing the guide block 23 one by one from the guide bar 21. The step S320 is performed by lowering the rotor 100 by a distance from which the height of the guide block 23 is lowered. Accordingly, this step (S320) is because the guide block 23 is located closer to the rotor body 130 than the guide bar 21, the vibration and bias of the rotor 100 to move down, etc. The effect can be more effectively prevented. In addition, as the step S320 is removed so that the guide block 23 corresponds to the height of the rotor 100, there is an effect of performing the operation more stably by delaying the insertion speed of the rotor 100. . Here, the guide block 23 is sequentially removed from the upper side, and completely removed.

In addition, in the step S320, the first guide plate 20 may be coupled to the second guide plate 22.

Meanwhile, the step 320 is performed such that the process of inserting the dummy shaft 40 into the dummy shaft supporter 11 is simultaneously performed while the rotor 100 is inserted into the stator 200. Accordingly, the step (S320) is the guide bar 21 and the guide block 23 for stably guiding the rotor 100 is the process that the dummy shaft 40 is guided to the dummy shaft supporter (11). Has the effect of cooperating with

In step S320, the rotor 100 may be moved after adjusting the position of the rotor 100 such that the direction of the drain chamber of the half-load bearing housing of the rotor 100 faces the lower surface of the stator 200. By descending.

In the step S320, as the core part of the rotor 100 approaches the core part of the stator 200 in the process of lowering the rotor 100, the magnetic force that pulls the stator 200 under the influence of the permanent magnet is stronger. As it acts, it is preferable that the rotor 100 is made as slowly as possible using the fine adjustment function of the crane when descending.

The step (S330) of coupling the rotor 100 to the stator shields 230 and 240 may include a bolt hole of the half load side rotor shield 120 to overlap the bolt hole of the half load side stator shield 240. It may be made by bolting after adjusting the position of 100). The step S330 may be performed by bolting after adjusting the position by rotating the load side rotor shield 110 so that the position of the drain chamber of the load side bearing housing of the rotor 100 coincides with the bottom surface of the stator 200.

Separating the dummy shaft 40 from the rotor 100 (S340) is performed by removing the bolts coupled to the rotor coupling 30 and the shaft coupling 42.

Then, referring to Figure 9, in the rotating machine manufacturing method (S) according to the present invention, the guide bar 21 is separated from the second guide plate 22, the support plate 12 is the lower supporter By separating from (10). In addition, the rotating device manufacturing method (S) according to the present invention lifts the rotating device by using the lifting ring 250a on the upper side of the stator 200, and uses the lifting ring 250b below the stator 200. This is done by rotating the rotating machine to be horizontal. Then, the rotating device manufacturing method (S) according to the present invention is a separate supporting member so that the support plate 12 and the second guide plate 22 are not in contact with the floor of the workplace is rotated horizontally 60), the rotor coupling 30 is separated, and then the support plate 12, the second guide plate 22, and the first guide plate 20 are separated. Finally, the rotating machine manufacturing method (S) according to the present invention is made by coupling the stator shield (230, 240) and the rotor shield (110, 120) of the load side and half load side with each other. This can be done by coupling the bolt to the remaining bolt holes. Rotating device manufacturing method (S) according to the present invention can be completed by installing a cooler housing on the outside of the stator (200).

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and it is common in the art that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of. Therefore, the scope of the present invention is represented by the following claims, and it should be interpreted that all changes or modifications derived from the meaning and scope of the claims and equivalent concepts thereof are included in the scope of the present invention.

10: lower supporter 11: dummy shaft supporter
12: support plate 13: dummy shaft plate
20: first guide plate 21: guide bar
22: second guide plate 23: guide block
24 shaft mounting plate 30 rotor coupling
40: dummy shaft 41: shaft body
42: shaft coupling 50: shackle
51: link 60: support member
100: rotor 110: load side rotor shield
120: half load side rotor shield 130: rotor body
140: rotation axis 200: stator
210: frame 220: stator body
230: load side stator shield 240: half load side stator shield
300: terminal box

Claims (4)

Coupling a first guide plate to the rotor for guiding the rotor inserted into the stator;
Coupling a guide bar for guiding the first guide plate to the stator; And
Lowering the rotor into the stator;
Coupling the guide bar to the stator,
Coupling a second guide plate to the stator;
Coupling the guide bar to the second guide plate; And
Coupling a guide block made of a nonmagnetic material to the guide bar;
Coupling the guide block to the guide bar,
And wherein the guide block is located closer to the rotor than the guide bar outside the stator, and the guide block surrounds the rotor outside of the stator.
delete The method of claim 1,
Lowering the rotor,
Coupling a dummy shaft to the stator to assist insertion of the rotor;
Coupling the rotor to the dummy shaft and descending along the guide bar;
Coupling the rotor to a stator shield; And
Rotating the dummy shaft from the rotor. The method of claim 3,
Coupling the rotor to the dummy shaft and descending along the guide bar,
And removing the guide block one by one from the guide bar, thereby lowering the rotor by a distance from which the height of the guide block is lowered.
KR1020130146541A 2013-11-28 2013-11-28 Method for Manufacturing Rotational Machinery KR102053170B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130146541A KR102053170B1 (en) 2013-11-28 2013-11-28 Method for Manufacturing Rotational Machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130146541A KR102053170B1 (en) 2013-11-28 2013-11-28 Method for Manufacturing Rotational Machinery

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KR20150062243A KR20150062243A (en) 2015-06-08
KR102053170B1 true KR102053170B1 (en) 2019-12-09

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005168098A (en) 2003-11-28 2005-06-23 Koyo Seiko Co Ltd Motor, and arrangement and method for assembling motor
JP2009148035A (en) * 2007-12-12 2009-07-02 Aisin Aw Co Ltd Rotor attaching apparatus
JP2009207212A (en) * 2008-02-26 2009-09-10 Nissan Motor Co Ltd Motor/generator and method of assembling the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2385614B1 (en) 2010-05-06 2013-03-27 The Switch Drive Systems Oy An electrical machine and a method for assembling it

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005168098A (en) 2003-11-28 2005-06-23 Koyo Seiko Co Ltd Motor, and arrangement and method for assembling motor
JP2009148035A (en) * 2007-12-12 2009-07-02 Aisin Aw Co Ltd Rotor attaching apparatus
JP2009207212A (en) * 2008-02-26 2009-09-10 Nissan Motor Co Ltd Motor/generator and method of assembling the same

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