CN204012989U - A kind of rotor ventilation frid of high-speed permanent magnet motor - Google Patents

A kind of rotor ventilation frid of high-speed permanent magnet motor Download PDF

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Publication number
CN204012989U
CN204012989U CN201420376704.4U CN201420376704U CN204012989U CN 204012989 U CN204012989 U CN 204012989U CN 201420376704 U CN201420376704 U CN 201420376704U CN 204012989 U CN204012989 U CN 204012989U
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China
Prior art keywords
fixed head
vent segment
ventilation
keyway
welding
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Application number
CN201420376704.4U
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Chinese (zh)
Inventor
段志强
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Dongfang Electric Machinery Co Ltd DEC
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Dongfang Electric Machinery Co Ltd DEC
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Priority to CN201420376704.4U priority Critical patent/CN204012989U/en
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Abstract

A kind of rotor ventilation frid of high-speed permanent magnet motor, comprise fixed head and vent segment, between the internal circular surfaces of fixed head and outer round surface, along fixed head, be circumferentially evenly equipped with some ventilation holes, between adjacent two ventilation holes, form rib, the internal circular surfaces of fixed head offers keyway, vent segment is circumferentially evenly equipped with some teeth and forms ratchet-like, the internal circular surfaces of vent segment offers keyway, vent segment and fixed head are welded to connect, the keyway of welding rear venting slotted vane aligns with the keyway of fixed head, and the tooth of vent segment overlaps with the rib of fixed head.Vent segment all offers with fixed head the keyway coordinating with rotating shaft, and motor when rotation ventilation channel plate is followed rotating shaft and rotated together, the location of ventilation channel plate, easy for installation, quick; Vent segment is overall structure, and welding quality is less demanding, even if welding seam failure during running still can guarantee that motor normally works, does not produce any safety problem, and welding is simple, save time, and does not need specific welding assambly and welding machine special, is beneficial to batch production.

Description

A kind of rotor ventilation frid of high-speed permanent magnet motor
Technical field
A rotor ventilation frid for high-speed permanent magnet motor, for the ventilation and heat of motor, belongs to magneto technical field.
Background technology
Armature is that motor is realized the critical component that mechanical energy and electric energy are changed mutually, and it is mainly comprised of parts such as axle, the armature core heart, armature end flange, armature winding, commutator and fans.The armature core heart is fastened fixing by the armature clamping ring at two ends, armature clamping ring is pressed on ventilation channel plate, and the evenness of ventilation channel plate has determined the degree of reliability that fastens of armature clamping ring and ventilation channel plate iron core.
The ventilation channel plate of high-speed permanent magnet motor is mainly continued to use the ventilation channel plate technology of common electric machine in the past at present, what adopt is that a plurality of vent segments are welded on to (as shown in Figure 1) on fixed head by certain arrangement, because rotor ventilation slotted vane is more, during welding, be not easy location, also be unfavorable for welding, weld more time-consumingly, also need to utilize special tooling and welding machine special to weld simultaneously, be unfavorable for the batch production of motor.Because vent segment is weldingly fixed on separately on fixed head, in motor operation course, the vent segment utmost point rotating with armature rotor has because manufacturing defect exists the possibility that may fly out, and causes great motor accident; Simultaneously because welding deformation causes that dimensional tolerance causes armature core tooth portion to flick pine and rises, thereby produce noise in rotor operation process, the local vibration of tooth portion can cause that punching fatigue damage and then performance damage, and shortens the useful life of motor.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of rotor ventilation frid of high-speed permanent magnet motor.
For achieving the above object, the technical solution of the utility model is:
A kind of rotor ventilation frid of high-speed permanent magnet motor, comprise fixed head, between the internal circular surfaces of fixed head and outer round surface, along fixed head, be circumferentially evenly equipped with some ventilation holes, between adjacent two ventilation holes, form rib, it is characterized in that: also comprise with fixed head internal diameter and mate vent segment in the form of a ring, vent segment is circumferentially evenly equipped with some teeth and forms ratchet-like, and vent segment and fixed head are fitted and connected, and the tooth of vent segment overlaps with the rib of fixed head.
Further, the internal circular surfaces of fixed head and vent segment offers the keyway of alignment.
Further, the tooth of vent segment is obliquely installed, and ventilation hole is triangular shape, and the incline direction of ventilation hole and the incline direction of tooth consistent.
Compared with prior art, the beneficial effects of the utility model are:
1, vent segment all offers with fixed head the keyway coordinating with rotating shaft, and motor when rotation ventilation channel plate is followed rotating shaft and rotated together, the location of ventilation channel plate, easy for installation, quick; Vent segment is overall structure, and welding quality is less demanding, even welding seam failure during running, still can guarantee that motor normally works, not produce any safety problem, welding is simple, save time, do not need specific welding assambly and welding machine special, cost-saving, be beneficial to batch production.
2, the tooth that the ventilation hole on fixed head is on triangular shape and vent segment is skewed, and when motor rotates, its effect is similar to a small-sized BI centrifugal fan, is conducive to the ventilation and heat of motor and reduces noise.
Accompanying drawing explanation
Fig. 1 is the structural representation of ventilation channel plate in prior art;
Fig. 2 is the structural representation of fixed head in the utility model;
Fig. 3 is the structural representation of vent segment in the utility model;
Fig. 4 is the structural representation of forward ventilation channel plate in the utility model;
Fig. 5 is the structural representation of inverted ventilation frid in the utility model;
Wherein Reference numeral is: 1-fixed head, 2-rib, 3-ventilation hole, 4-keyway, 5-vent segment, 6-tooth, 7-pad.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment mono-
A rotor ventilation frid for high-speed permanent magnet motor, is mainly used in the ventilation and heat of high-speed permanent magnet motor, and it comprises fixed head 1 and vent segment 5.Between the internal circular surfaces of fixed head 1 and outer round surface, be provided with some ventilation holes 3, ventilation hole 3 is fan-shaped, and ventilation hole 3 circumferentially evenly arranges along fixed head 1, between adjacent two ventilation holes 3, forms rib 2, and ventilation hole 3 is along the radially setting of fixed head 1.The inner cylinder face of fixed head 1 offers keyway 4.Vent segment 5 is structure in the form of a ring, and the internal diameter of the internal diameter of vent segment 5 and fixed head 1 matches, and vent segment 5 is circumferentially evenly equipped with some teeth 6, and vent segment 5 forms ratchet-like structure together with tooth 6, and tooth 6 is along the radially setting of vent segment 5.The inner cylinder face of vent segment 5 offers keyway 4.
Vent segment 5 is fitted and connected with fixed head 1, it is fitted and connected can select welding, the mode such as bonding, selects to be welded to connect in the present embodiment, and welding manner adopts spot welding, pad 7 is arranged on the tooth 6 of vent segment 5, and wherein pad 7 can be a plurality of along the length direction welding of tooth 6.After vent segment 5 is welded on fixed head 1, the keyway 4 of vent segment 5 overlaps, aligns with the keyway of fixed head 14, and vent segment 5 and fixed head 1 are arranged on machine shaft by keyway 4; The tooth 6 of vent segment 5 overlaps with the rib 2 between the ventilation hole 3 of fixed head 1, and tooth 6 is corresponding one by one with rib 2.
Embodiment bis-
A rotor ventilation frid for high-speed permanent magnet motor, is mainly used in the ventilation and heat of high-speed permanent magnet motor, and it comprises fixed head 1 and vent segment 5.Between the internal circular surfaces of fixed head 1 and outer round surface, be provided with some ventilation holes 3, ventilation hole 3 is triangular shape, ventilation hole 3 circumferentially evenly arranges along fixed head 1, between adjacent two ventilation holes 3, form rib 2, radial skew setting along fixed head 1, incline direction can also can arrange along clockwise direction in the counterclockwise direction, selects clockwise direction to be obliquely installed in the present embodiment, and the ventilation hole after being obliquely installed 3 with its radially angle α be 30 °-45 °.The inner cylinder face of fixed head 1 offers keyway 4.Vent segment 5 is structure in the form of a ring, the internal diameter of the internal diameter of vent segment 5 and fixed head 1 matches, vent segment 5 is circumferentially evenly equipped with some teeth 6, vent segment 5 forms ratchet-like structure together with tooth 6, wherein the set-up mode of tooth 6 is identical with the set-up mode of ventilation hole 3, radial skew setting along vent segment 5, incline direction can also can arrange along clockwise direction in the counterclockwise direction, in the present embodiment, select clockwise direction to be obliquely installed, and the tooth after being obliquely installed 6 with its radially angle α be 30 °-45 °.The inner cylinder face of vent segment 5 offers keyway 4.
Vent segment 5 is fitted and connected with fixed head 1, and it is fitted and connected can select welding, the mode such as bonding, selects bonding connection in the present embodiment, and adhesive spots 7 is arranged on the tooth 6 of vent segment 5, and wherein adhesive spots 7 can be bonding a plurality of along the length direction of tooth 6.After vent segment 5 is bonded on fixed head 1, the keyway 4 of vent segment 5 overlaps with the keyway 4 of fixed head 1, and vent segment 5 and fixed head 1 are arranged on machine shaft by keyway 4; The tooth 6 of vent segment 5 overlaps with the rib 2 between the ventilation hole 3 of fixed head 1, and tooth 6 is corresponding one by one with rib 2.
Embodiment tri-
On embodiment mono-or two basis, the ventilation hole 3 that is fan-shaped or triangular shape is made as to the ventilation hole 3 that is trapezoidal shape.

Claims (3)

1. the rotor ventilation frid of a high-speed permanent magnet motor, comprise fixed head (1), between the internal circular surfaces of fixed head (1) and outer round surface, along fixed head (1), be circumferentially evenly equipped with some ventilation holes (3), between adjacent two ventilation holes (3), form rib (2), it is characterized in that: also comprise the vent segment (5) mating with fixed head internal diameter in the form of a ring, vent segment (5) is circumferentially evenly equipped with some teeth (6) and forms ratchet-like, vent segment (5) is fitted and connected with fixed head (1), and the tooth (6) of vent segment (5) overlaps with the rib (2) of fixed head (1).
2. the rotor ventilation frid of a kind of high-speed permanent magnet motor as claimed in claim 1, is characterized in that: the internal circular surfaces of fixed head (1) and vent segment (5) offers the keyway (4) of alignment.
3. the rotor ventilation frid of a kind of high-speed permanent magnet motor as claimed in claim 1 or 2, it is characterized in that: the tooth (6) of vent segment (5) is obliquely installed, ventilation hole (3) is triangular shape, and the incline direction of ventilation hole (3) is consistent with the incline direction of tooth (6).
CN201420376704.4U 2014-07-08 2014-07-08 A kind of rotor ventilation frid of high-speed permanent magnet motor Active CN204012989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420376704.4U CN204012989U (en) 2014-07-08 2014-07-08 A kind of rotor ventilation frid of high-speed permanent magnet motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420376704.4U CN204012989U (en) 2014-07-08 2014-07-08 A kind of rotor ventilation frid of high-speed permanent magnet motor

Publications (1)

Publication Number Publication Date
CN204012989U true CN204012989U (en) 2014-12-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420376704.4U Active CN204012989U (en) 2014-07-08 2014-07-08 A kind of rotor ventilation frid of high-speed permanent magnet motor

Country Status (1)

Country Link
CN (1) CN204012989U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104578649A (en) * 2015-01-12 2015-04-29 华中科技大学 Axial direction sectional type motor rotor with arc-shaped air deflectors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104578649A (en) * 2015-01-12 2015-04-29 华中科技大学 Axial direction sectional type motor rotor with arc-shaped air deflectors
CN104578649B (en) * 2015-01-12 2017-04-26 华中科技大学 Axial direction sectional type motor rotor with arc-shaped air deflectors

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