WO2023050526A1 - Structure d'équilibrage pour rotor de moteur immergé dans l'huile - Google Patents

Structure d'équilibrage pour rotor de moteur immergé dans l'huile Download PDF

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Publication number
WO2023050526A1
WO2023050526A1 PCT/CN2021/128366 CN2021128366W WO2023050526A1 WO 2023050526 A1 WO2023050526 A1 WO 2023050526A1 CN 2021128366 W CN2021128366 W CN 2021128366W WO 2023050526 A1 WO2023050526 A1 WO 2023050526A1
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WO
WIPO (PCT)
Prior art keywords
end ring
oil
rotor
counterweight
rotor body
Prior art date
Application number
PCT/CN2021/128366
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English (en)
Chinese (zh)
Inventor
张春球
Original Assignee
进越机电有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 进越机电有限公司 filed Critical 进越机电有限公司
Publication of WO2023050526A1 publication Critical patent/WO2023050526A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/04—Balancing means

Definitions

  • the utility model relates to the field of motors, in particular to an oil-immersed motor rotor balance structure.
  • oil-immersed submersible pumps are widely used in farmland drainage and irrigation, well water extraction, industrial and civil buildings, etc. due to their unique advantages, energy saving, high efficiency, and compact structure. Vast areas.
  • the oil-immersed submersible electric pump is a movable submersible (shallow) water drainage and irrigation equipment that combines the pump and the machine. It is characterized in that the motor is filled with mechanical oil to improve the working conditions of the mechanical seal, and the oil quickly transfers the heat inside the motor. Conducted out, the cooling effect is better, so that the temperature rise of the motor can be effectively and quickly reduced, thus increasing the overload capacity of the submersible pump. But also because the motor chamber of the oil-immersed motor is filled with special oil, if the rotor balance foot is designed to protrude like the ordinary motor, adding additional counterweight to the protruding part will increase the load on the motor.
  • This utility model is to provide a rotor balance structure of an oil-immersed motor, which can solve one or more of the above technical problems.
  • An oil-immersed motor rotor balance structure includes a rotor body in which a shaft through hole is arranged.
  • An upper end ring is formed on the upper end of the rotor body facing the rotor body, and an upper positioning column is arranged in the upper end ring.
  • a lower end ring is formed in a recess at the lower end of the rotor body facing the rotor body, and a lower positioning column is arranged in the lower end ring.
  • the upper end ring and/or the lower end ring are provided with counterweight balance parts arranged along the inner wall of the ring.
  • the counterweight balance part is provided with a positioning hole, and the positioning hole is set on the upper positioning column and/or the lower positioning column so that the counterweight balance part is embedded in the upper end ring and/or the lower end ring .
  • the inner center of the upper ring coincides with the outer center; the inner center of the lower ring coincides with the outer center.
  • the upper positioning posts are distributed at equal intervals in the upper end ring; the lower positioning posts are distributed at equal intervals in the lower end ring.
  • the projection of the upper end ring in the vertical direction coincides with the projection of the lower end ring in the vertical direction.
  • the vertical projection of the upper positioning column coincides with the vertical projection of the lower positioning column.
  • the upper end surface and the lower end surface of the counterweight balance part are correspondingly flush with the upper end surface and the lower end surface of the end ring where it is located.
  • the projection shape of the counterweight balance portion in the vertical direction is an arc with holes.
  • the counterweight balance part arranged on one side of the upper end ring is an upper counterweight balance part
  • the counterweight balance part arranged on the other side of the lower end ring is a lower counterweight balance part
  • the upper counterweight balance part is The weight of the part is different from that of the lower counterweight balance part.
  • the upper end ring and/or the lower end ring and the counterweight balance part are cast into one body by aluminum.
  • Fig. 1 is the overall structural representation of the utility model
  • Fig. 2 is a schematic diagram of the left end face or the right end face in Fig. 1;
  • Fig. 3 is a structural schematic diagram 1 of the counterweight balance part
  • Fig. 4 is a structural schematic diagram II of the counterweight balance part
  • Figure 5 is a first schematic diagram of the cooperation structure between the counterweight balance part and the rotor body
  • Fig. 6 is a second schematic diagram of the cooperation structure between the counterweight balance part and the rotor body
  • spatially relative terms may be used here, such as “on !, “over !, “on the surface of !, “above”, etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as “above” or “above” other devices or configurations would then be oriented “beneath” or “above” the other devices or configurations. under other devices or configurations”. Thus, the exemplary term “above” can encompass both an orientation of “above” and “beneath”. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.
  • an oil-immersed motor rotor balance structure includes a rotor body 3 , and a shaft through hole 4 is arranged in the rotor body 3 .
  • the upper end of the rotor body 3 is recessed toward the rotor body to form an upper end ring 1 , and an upper positioning column 2 is arranged in the upper end ring 1 .
  • the lower end ring of the rotor body 3 is recessed facing the rotor body, and a lower positioning column 7 is arranged in the lower end ring 6 .
  • the inner center of the upper end ring 1 coincides with the outer center of the circle; the inner center of the lower end ring 6 coincides with the outer center of the circle.
  • the upper positioning columns 2 are equally spaced in the upper end ring 1 .
  • the lower positioning columns 7 are equally spaced in the lower end ring 6 .
  • the distribution numbers of the positioning posts are 12 positioning posts respectively.
  • the vertical projection of the upper end ring 1 coincides with the vertical projection of the lower end ring 6 .
  • the vertical projection of the upper positioning column 2 coincides with the vertical projection of the lower positioning column 7 .
  • the upper end ring 1 and/or the lower end ring 6 are provided with a counterweight balance part 5 arranged along the inner wall of the ring.
  • the projection shape of the counterweight balance part 5 in the vertical direction is an arc with a hole, which is roughly square, and the middle position of the two positioning columns is the part of the two adjacent counterweight balance parts. boundaries.
  • the size of the counterweight balance part 2 one or two holes are provided, so that the central angle of the arc does not exceed 50°. This can make the counterweight balance part 5 more flexible when adjusting the balance.
  • the counterweight balance part 5 is provided with a positioning hole 51, and the positioning hole 51 is sleeved on the upper positioning column 2 and/or the lower positioning column 7 so that the counterweight balancing part 5 is embedded.
  • the upper end ring 1 and/or the lower end ring 6 are correspondingly flush with the upper end surface and the lower end surface of the end ring where it is located.
  • Grooves are dug on both ends of the rotor body 1 to remove a part of the mass, and then fill it through the counterweight balance part to achieve the purpose of balancing. In this way, the load of the motor will not increase during operation, and at the same time, the balance adjustment effect of the oil-immersed motor can be well achieved.
  • the counterweight balance part arranged on one side of the upper end ring is an upper counterweight balance part
  • the counterweight balance part arranged on the other side of the lower end ring is a lower counterweight balance part
  • the upper counterweight balance part It is different from the weight of the lower counterweight balance part.
  • the upper end ring and/or the lower end ring and the counterweight balance part are integrally casted by aluminum.
  • the positioning posts (the upper positioning post and the lower positioning post) are provided with threads, and the nuts press the counterweight balancing part in the ring (the upper end ring and the lower end ring).
  • the counterweight balance part can be directly welded on the positioning posts (the upper positioning post and the lower positioning post), without limitation.

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

Abstract

La présente invention concerne une structure d'équilibrage pour un rotor de moteur immergé dans l'huile qui comprend un corps de rotor (3), un trou traversant d'arbre rotatif (4) étant disposé à l'intérieur du corps de rotor (3). Une surface d'extrémité supérieure du corps de rotor (3) est en retrait vers le corps de rotor (3) pour former une bague d'extrémité supérieure (1), et une colonne de positionnement supérieure (2) est disposée à l'intérieur de la bague d'extrémité supérieure (1) ; une surface d'extrémité inférieure du corps de rotor (3) est en retrait vers le corps de rotor (3) pour former une bague d'extrémité inférieure (6), et une colonne de positionnement inférieure (7) est disposée à l'intérieur de la bague d'extrémité inférieure (6) ; la bague d'extrémité supérieure (1) et/ou la bague d'extrémité inférieure (6) est/sont pourvue(s) d'une partie d'équilibrage à contrepoids (5) disposée le long d'une paroi interne de la bague, un trou de positionnement (51) est prévu dans la partie d'équilibrage à contrepoids (5), et le trou de positionnement (51) est emmanché sur la colonne de positionnement supérieure (2) et/ou la colonne de positionnement inférieure (7), de sorte que la partie d'équilibrage à contrepoids (5) est encastrée dans la bague d'extrémité supérieure (1) et/ou la bague d'extrémité inférieure (6). La partie d'équilibrage à contrepoids (5) d'un rotor fait appel à un bloc de lestage carré pour atteindre l'objectif d'équilibrage, et la charge d'un moteur en fonctionnement n'est pas augmentée, de sorte que l'effet de réglage de l'équilibre d'un moteur immergé dans l'huile est atteint.
PCT/CN2021/128366 2021-09-29 2021-11-03 Structure d'équilibrage pour rotor de moteur immergé dans l'huile WO2023050526A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122375895.5 2021-09-29
CN202122375895.5U CN216016562U (zh) 2021-09-29 2021-09-29 一种油浸式电机转子平衡结构

Publications (1)

Publication Number Publication Date
WO2023050526A1 true WO2023050526A1 (fr) 2023-04-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/128366 WO2023050526A1 (fr) 2021-09-29 2021-11-03 Structure d'équilibrage pour rotor de moteur immergé dans l'huile

Country Status (2)

Country Link
CN (1) CN216016562U (fr)
WO (1) WO2023050526A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0911537A1 (fr) * 1997-05-07 1999-04-28 Fanuc Ltd Construction d'un corps tournant
CN202840798U (zh) * 2012-08-21 2013-03-27 珠海格力电器股份有限公司 一种空调压缩机自平衡转子
CN104753277A (zh) * 2015-03-13 2015-07-01 广东威灵电机制造有限公司 用于鼠笼式电机的转子和具有其的鼠笼式电机
CN210867408U (zh) * 2019-09-25 2020-06-26 雷勃电气（苏州）有限公司 一种永磁电机转子平衡结构
CN210927228U (zh) * 2019-11-06 2020-07-03 卧龙电气南阳防爆集团股份有限公司 一种转子平衡环
CN211351851U (zh) * 2019-12-30 2020-08-25 佛山市威灵洗涤电机制造有限公司 转子鼠笼和具有其的鼠笼式转子

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0911537A1 (fr) * 1997-05-07 1999-04-28 Fanuc Ltd Construction d'un corps tournant
CN202840798U (zh) * 2012-08-21 2013-03-27 珠海格力电器股份有限公司 一种空调压缩机自平衡转子
CN104753277A (zh) * 2015-03-13 2015-07-01 广东威灵电机制造有限公司 用于鼠笼式电机的转子和具有其的鼠笼式电机
CN210867408U (zh) * 2019-09-25 2020-06-26 雷勃电气（苏州）有限公司 一种永磁电机转子平衡结构
CN210927228U (zh) * 2019-11-06 2020-07-03 卧龙电气南阳防爆集团股份有限公司 一种转子平衡环
CN211351851U (zh) * 2019-12-30 2020-08-25 佛山市威灵洗涤电机制造有限公司 转子鼠笼和具有其的鼠笼式转子

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