CN101883883A - Spindle having individual drive - Google Patents

Spindle having individual drive Download PDF

Info

Publication number
CN101883883A
CN101883883A CN2008801140469A CN200880114046A CN101883883A CN 101883883 A CN101883883 A CN 101883883A CN 2008801140469 A CN2008801140469 A CN 2008801140469A CN 200880114046 A CN200880114046 A CN 200880114046A CN 101883883 A CN101883883 A CN 101883883A
Authority
CN
China
Prior art keywords
spindle
rotor
stator
stator case
case spare
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN2008801140469A
Other languages
Chinese (zh)
Other versions
CN101883883B (en
Inventor
G·斯托克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hanning Elektro Werke GmbH and Co KG
Original Assignee
Hanning Elektro Werke GmbH and Co KG
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 Hanning Elektro Werke GmbH and Co KG filed Critical Hanning Elektro Werke GmbH and Co KG
Publication of CN101883883A publication Critical patent/CN101883883A/en
Application granted granted Critical
Publication of CN101883883B publication Critical patent/CN101883883B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H1/00Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14Details
    • D01H1/20Driving or stopping arrangements
    • D01H1/24Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
    • D01H1/244Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles each spindle driven by an electric motor
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H7/00Spinning or twisting arrangements
    • D01H7/02Spinning or twisting arrangements for imparting permanent twist
    • D01H7/04Spindles
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H7/00Spinning or twisting arrangements
    • D01H7/02Spinning or twisting arrangements for imparting permanent twist
    • D01H7/04Spindles
    • D01H7/041Spindles with sliding contact bearings
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H7/00Spinning or twisting arrangements
    • D01H7/02Spinning or twisting arrangements for imparting permanent twist
    • D01H7/04Spindles
    • D01H7/042Spindles with rolling contact bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention relates to a spindle for spinning machines, comprising a single-motor drive (7), which comprises a rotor (15) that is non-rotatably connected to an upper spindle part of the spindle (1) and a stator (12) that is non-rotatably connected to a spindle bearing housing, wherein the spindle bearing housing carries a shaft of the upper spindle part (2) via an upper bearing disposed in the region of the rotor and via a lower bearing disposed outside the rotor, wherein the rotor is attached on the outside on a sleeve part surrounding the upper bearing, and the stator is surrounded by a stator housing part (8), the stator housing part having a hollow-cylindrical configuration, a lower edge region (10) thereof being connected to a lower spindle part, and an upper edge region (18) of the stator housing part being sealed by way of a disk ring unit (22) as the sealant in a contactless manner with respect to the upper spindle part (2) or a shoulder section (21) connected to the upper spindle part.

Description

Spindle with individual drive
Technical field
The present invention relates to a kind of spindle that is used for spinning machine, drive unit with a separate electrical motor formula, described drive unit has the stator that rotor that rotationally fixedly is connected with the spindle first half of spindle and rotationally fixedly link to each other with the spindle supporting housing, wherein, the spindle supporting housing is arranged on the regional interior upper bearing (metal) of rotor by one and supports the axle of the described spindle first half by a lower bearing that is arranged on the rotor below, described rotor is fixed on one in the outside and surrounds on the sleeve member of upper bearing (metal), and described stator is surrounded by stator case spare.
Background technology
By the known a kind of spindle that is used for spinning machine of DE 40 40 103 A1 with drive unit of separate electrical motor formula, wherein, the rotor rotationally fixedly of the drive unit of separate electrical motor formula links to each other with the spindle first half of spindle, and the stator rotationally fixedly of described drive unit links to each other with the spindle supporting housing.The spindle supporting housing have a upper bearing (metal) and a lower bearing and with link to each other with the housing component that surrounds stator regularly.Described rotor is fixed on the sleeve member in the outside, and described sleeve member surrounds upper bearing (metal).The shortcoming of this known spindle is that described spindle is configured comparatively outstanding in the zone of the drive unit of electric motor type.In addition, the shortcoming of this known spindle also is, the maintenance cost of lubricant that for example is used for changing lower bearing is higher.
Summary of the invention
The objective of the invention is, improve spindle drive unit, that be used for spinning machine, make spindle have compact generally and structure that save the space, wherein also reduce maintenance cost simultaneously with separate electrical motor formula.
In order to realize described purpose, preamble in conjunction with claim 1, the invention is characterized in, stator case spare constitutes hollow cylinder, and wherein the lower limb zone of this stator case spare links to each other with the spindle Lower Half and the upper edge region of stator case spare contactlessly partly seals with respect to the spindle first half or the attaching that links to each other with the spindle first half as the lamination ring element of potted component by one.
The present invention advantageously makes it possible to realize a kind of compact structure of spindle.Basic design of the present invention is, constitutes spindle like this, makes the drive unit of electric motor type be integrated in like this in the spindle and is provided with, and makes the horizontal expansion of spindle can not surpass predetermined diameter value and obtain the sealing of height in addition and be easy to maintainability.This hollow cylinder configuration by the stator case spare of supporting stator is realized, described stator case spare on the one hand following fringe region directly and the spindle Lower Half, the direct and spindle first half or partly link with upper edge region on the other hand with attaching that the spindle first half is fixedly linked.Advantageously has constant relatively thickness in the transitional region of described spindle between the spindle first half and spindle Lower Half.Thus, can save ground, space is provided with spinning machine with the clear spacing of for example 70mm a plurality of spindles.Be provided with the lamination ring element as potted component, upper edge region by this lamination ring element stator case spare contactlessly partly seals with respect to the spindle first half or attaching, the invention enables thus to realize that the parts that rotate better seal with respect to surrounding environment.
In order to realize described purpose, preamble in conjunction with claim 2, the invention is characterized in, the stator of electric motor type drive unit and/or rotor constitute and/or are set to, the stator case spare that make to cover drive unit has such overall diameter, a wall thickness of the big described adjacent housing parts of the overall diameter of in axial direction adjacent with the stator case spare housing parts of described overall diameter high specific spindle.
Advantage according to the invention of claim 2 is that by saving the space and drive unit being set compactly, preferably synchronous motor can keep lessly in the zone line of total cross section of spindle between the spindle first half and spindle Lower Half.Because the bobbin support that carries yarn of spindle is connected on the pumping equipment usually, so that siphon away undesirable silk thread residue or dirt particle, therefore because spindle can reduce the pumping power of pumping equipment according to compact structure of the present invention.If being designed for being arranged on drive unit at a distance by one, spindle drives by the driving belt coupling, then this spindle can repack a kind of structure with drive unit of separate electrical motor formula simply into, wherein, the pumping power of the pumping equipment that is set can remain unchanged.
According to a preferred form of implementation of the present invention, stator case spare releasably links to each other with the spindle Lower Half.For example stator case spare can be by being threaded or linking to each other with the spindle Lower Half by extruding.Thus advantageously in a simple manner not only can be with the spindle first half together with described axle, and also stator can be removed from the spindle Lower Half in addition.By the improved accessibility that arrives the bearing of spindle according to the present invention, the ease for maintenance that can be improved.Spindle can be dismantled or each member can be changed in a simplified manner in simple mode.
According to an improvement project of the present invention, the spindle supporting housing forms by the spindle Lower Half.Advantageously obtain a kind of direct supporting in the spindle Lower Half thus to axle.Advantageously can reduce the number of components of spindle thus, thus the assembling or the dismounting of the spindle of simplifying.
According to an improvement project of the present invention, on an end of the receiving member of a hollow cylinder of spindle Lower Half, a stop lug is set, described stop lug with one around the ring projection towards the inboard of sleeve member.Guarantee thus, at run duration, in the swing property that keeps the spindle first half
Figure GPA00001120852800031
The time can only realize limited moving axially.In addition, the sealing effectiveness that also is improved in an advantageous manner thus.
According to an improvement project of the present invention, the inboard of sleeve member has the ring projection of annular, and this ring projection is used for respect near the space the surrounding environment seal shaft.
Other advantage of the present invention has in other dependent claims and obtains.
Description of drawings
Describe embodiments of the invention below with reference to the accompanying drawings in detail.
Wherein:
Fig. 1 illustrates the side view of spindle,
Fig. 2 is illustrated under the installment state longitudinal sectional view of spindle in the spindle first half of spindle and the transitional region between the spindle Lower Half, and
Fig. 3 illustrates the longitudinal sectional view of spindle under disassembly status according to Fig. 2.
The specific embodiment
Spinning machine comprises a plurality of spindles 1, the clear spacing setting of for example 70mm that described spindle each other can be in accordance with regulations.Spindle 1 mainly contains the spindle first half 2 and spindle Lower Half 3 is formed.The described spindle first half 2 has a bobbin support 4, and yarn or fiber are applied on the described bobbin support.Spindle Lower Half 3 is fixed on the preferred movable platform 5 by set bolt.
The drive unit 7 of one electric motor type is set in the zone line 6 of spindle 1, is used to drive the spindle first half 2.At the drive unit 7 that upwards covers described electric motor type week, wherein stator case spare 8 has the outer wall 9 that has constant outer diameter d by stator case spare 8.Described overall diameter d for example can be 40mm.The described overall diameter d of stator case spare 8 is slightly greater than the overall diameter u of spindle Lower Half 3.The overall diameter u of the preferred high specific spindle of the described overall diameter d Lower Half 3 of stator case spare 8 is used as a wall thickness of the spindle Lower Half 3 of adjacent housing parts greatly.The horizontal expansion size of spindle 1 is maximum in the zone of stator case spare 8.According to the present invention, the drive unit compact structure by being preferably configured as synchronous motor can be realized the restriction to the horizontal expansion size in the zone of drive unit 7.
The overall diameter of stator case spare 8 is less than the largest outer diameter o of bobbin support 4.The present invention makes thus and the drive unit 7 of electric motor type can be integrated in the spindle 1 compactly.
As better shown in figure 2, that stator case spare 8 is configured to hollow cylinder and between the spindle Lower Half 3 and the spindle first half 2, extend.In the lower limb zone 10 of stator case spare 8, described stator case spare can link to each other with spindle Lower Half 3 by being threaded with unclamping.For this purpose, the edge section in the upper outside of the inwall in the lower limb zone 10 of stator case spare 8 and spindle Lower Half 3 has screw thread respectively.In the lower limb zone 10 of stator case spare 8 along a highway section a surround spindle Lower Half 3 upper outside edge section and make the stator case spare 8 as drive unit 7 to link to each other with spindle Lower Half 3 reliably thus with respect to the covering of surrounding environment.
According to a unshowned optional form of implementation of the present invention, the lower limb of stator case spare 8 zone 10 also can releasably be connected by extruding with the top edge section of spindle Lower Half 8.10 this moments of the lower limb of stator case spare 8 zone with the internal face formula abut on the top edge section of spindle Lower Half 8.
The stator 12 that on the inwall 11 of stator case spare 8, in zone line, fixedly has winding 13 and stack of laminations (Bleckpakt) 14.The drive unit 7 of stator 12 and electric motor type pass through rotor 15 actings in conjunction that an air gap separates, described rotor links to each other with the spindle first half 2 rotationally fixedlies.Rotor 15 is fixed on the sleeve member 16, and one 17 of the described sleeve member and the spindle first half 2 is provided with coaxially.In this embodiment, sleeve member 6 is in the expansion of the height place of the upper edge region 18 of stator case spare 8, and wherein the expansion 19 of sleeve member 16 is arranged on the top of stator 12 and rotor 15.Expansion 19 links to each other with axle 17 regularly by a coupling part 20 that radially connects in the inboard.Sleeve member 16 by the part 16 of a thin-walled ' and an expansion 19 form, rotor 15 is bearing on the part of described thin-walled, expansion links to each other with attaching part 21 with coupling part 20 regularly.
According to of the present invention one unshowned form of implementation, sleeve member 16, coupling part 20 and attaching part/convex part (Ansatzabschnitt) 21 also can construct all-in-one-piece.
Attaching part 21 is connected the outside of sleeve member 16, and this attaching is partly carried the lamination ring element 22 as potted component.Described lamination ring element 22 is made up of three beckets that crack, and wherein each slit of becket is provided with mutually with staggering.Described lamination ring element 22 has three beckets that are provided with coaxially with axle 17 axis 23, and the upper edge region 18 of each becket and stator case spare 8 separates setting with gap.Lamination ring element 22 forms a labyrinth, thereby obtains not having frictional force to act on the rotatablely moving of the spindle first half 2 on the other hand with respect to the positiver sealing of surrounding environment to the drive unit 7 of electric motor type on the one hand.
The axle 17 of the spindle first half 2 keeps by the upper bearing (metal) on the height that rotor 15 is set 24 with by the lower bearing 25 that is arranged on below the rotor 15 in the spindle Lower Half 3 that forms the spindle supporting housing.For this purpose, spindle Lower Half 3 has the receiving member 26 of a hollow cylinder, one needle bearing/roller bearing wherein is set as upper bearing (metal) 24 in the top of receiving member 26, and a sliding bearing is set as lower bearing 25 in the bottom of receiving member 26.Receiving member 26 is provided with towards the direction of the spindle first half 2 with attenuating.The lower area of receiving member 26 links to each other with the base 27 of a hollow cylinder of spindle Lower Half 3 regularly.The base 27 of spindle Lower Half 3 constitutes the housing of spindle Lower Halves 3 and on top has in the edge zone 18 and is used for releasably the screw thread fixing with stator case spare 8.
Receiving member 26 has radial finger stop lug 28 to the outside on the spindle first half 2 distolateral, this stop lug has the end of rubbery, and each described end has and the corresponding overall diameter of the interior diameter of sleeve member 16.Ring projection 29 actings in conjunction that stop lug 28 and is given prominence to from sleeve member 16 in the inboard, thus prevent that axle 17 from undesirably shifting out from spindle Lower Half 3.On the other hand, in limited scope, allow the swing property of the requirement of the spindle first half 2.
The stop lug 28 of receiving member 26 is extended in the zone above rotor 15.The ring projection 29 of sleeve member 16 is extended in the upper end region of rotor 15.Rotor 15 is configured to the permanent magnet of annular, and this permanent magnet constitutes a synchronous motor of saving the space diametrically with stator 12.The drive unit 7 of electric motor type has small cross section thus, thereby the pumping equipment that is connected in the upper area of spindle 1 can be with less pumping power work, and described pumping equipment is used for siphoning away dirt particle or silk thread residue from the spindle first half 2.The one unshowned interior shell of sealing in zone that is arranged on the spindle first half 2 is connected on the pumping equipment.Advantageously can make the minimum power or the optimization of required pumping equipment by spindle 1 elongated configuration.

Claims (11)

1. the spindle that is used for the drive unit with separate electrical motor formula of spinning machine, described drive unit has the stator that rotor that rotationally fixedly links to each other with the spindle first half of spindle and rotationally fixedly link to each other with the spindle supporting housing, wherein, the spindle supporting housing is by the axle of the upper bearing (metal) in the zone that is arranged on rotor and the lower bearing supporting spindle first half by being arranged on rotor below, rotor is fixed on the sleeve member that surrounds upper bearing (metal) in the outside, stator is surrounded by stator case spare, it is characterized in that, stator case spare (8) is configured to hollow cylinder, wherein the lower limb zone (10) of stator case spare links to each other with spindle Lower Half (3), and the upper edge region (18) of stator case spare (8) contactlessly seals with respect to the spindle first half (2) or with respect to an attaching part (21) that links to each other with the spindle first half (2) by a lamination ring element (22) as potted component.
2. the spindle that is used for the drive unit with separate electrical motor formula of spinning machine, described drive unit has the stator that rotor that rotationally fixedly links to each other with the spindle first half of spindle and rotationally fixedly link to each other with the spindle supporting housing, wherein, the spindle supporting housing is by the axle of the upper bearing (metal) in the zone that is arranged on rotor and the lower bearing supporting spindle first half by being arranged on rotor below, rotor is fixed on the sleeve member that surrounds upper bearing (metal) in the outside, stator is surrounded by stator case spare, it is characterized in that, the rotor (12) and/or the stator (15) of the drive unit of electric motor type (7) are configured to and/or are arranged to, the stator case spare (8) that make to cover drive unit (7) has such overall diameter (d), a wall thickness of the big described adjacent housing parts (3) of the overall diameter (u) of adjacent with stator case spare (8) the vertically housing parts (3) of this overall diameter high specific spindle (1).
3. by claim 1 or 2 described spindles, it is characterized in that the lower limb zone (10) of stator case spare (8) can link to each other with spindle Lower Half (3) with unclamping.
4. by the described spindle of claim 3, it is characterized in that the inwall in the lower limb zone (10) of stator case spare (8) and the top edge section of spindle Lower Half (3) have screw thread, make stator case spare (8) link to each other with spindle Lower Half (3) by being threaded.
5. by the described spindle of claim 3, it is characterized in that the inwall in the lower limb zone (10) of stator case spare (8) and the top edge section of spindle Lower Half (3) are configured to, make stator case spare (8) under squeezing action, link to each other with spindle Lower Half (3).
6. by the described spindle of claim 5, it is characterized in that the face formula ground, lower limb zone (10) of stator case spare (8) abuts on the spindle Lower Half (3) with inwall.
7. by each described spindle in the claim 1 to 6, it is characterized in that described sleeve member (16) links to each other with the spindle first half (2) integratedly, its rotor (15) only is bearing on the part (16 ') of a thin-walled of described sleeve member (16).
8. by each described spindle in the claim 1 to 7, it is characterized in that, the spindle supporting housing forms by spindle Lower Half (3), the spindle Lower Half has the base (27) of a hollow cylinder on the one hand, stator case (8) is fixed on the top edge section of this base, the spindle Lower Half has a receiving member (26) that extends from described base (27) towards the direction of the spindle first half (2) on the other hand with attenuating, is used to be provided for the upper bearing (metal) (24) of axle (17).
9. by each described spindle in the claim 1 to 8, it is characterized in that, the described receiving member (26) of hollow cylinder has stop lug (28) on the spindle first half (2) distolateral, described stop lug be configured to annular and towards the direction projection of the inboard of sleeve member (16).
10. by each described spindle in the claim 1 to 9, it is characterized in that, the ring projection (29) of an outstanding annular on the inboard of sleeve member (16), this ring projection and described stop lug (28) acting in conjunction make the spindle first half (2) can not break away from from spindle Lower Half (3) in running status.
11., it is characterized in that rotor (15) is configured to the permanent magnet of annular by each described spindle in the claim 1 to 10.
CN200880114046.9A 2007-11-01 2008-10-13 Spindle having individual drive Expired - Fee Related CN101883883B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007052527.5 2007-11-01
DE102007052527.5A DE102007052527B4 (en) 2007-11-01 2007-11-01 Spindle with drive
PCT/DE2008/001646 WO2009056091A1 (en) 2007-11-01 2008-10-13 Spindle having individual drive

Publications (2)

Publication Number Publication Date
CN101883883A true CN101883883A (en) 2010-11-10
CN101883883B CN101883883B (en) 2013-04-24

Family

ID=40345294

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200880114046.9A Expired - Fee Related CN101883883B (en) 2007-11-01 2008-10-13 Spindle having individual drive

Country Status (4)

Country Link
CN (1) CN101883883B (en)
CH (1) CH700026B1 (en)
DE (1) DE102007052527B4 (en)
WO (1) WO2009056091A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359733A (en) * 2017-07-16 2017-11-17 经纬纺织机械股份有限公司 For driving the micro-machine structure of Yarn-spinning spindle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010009164B4 (en) 2010-02-24 2020-07-02 Hanning Elektro-Werke Gmbh & Co. Kg Method and device for controlling a textile machine or a driven part of a textile machine
FR3070047A1 (en) 2017-08-11 2019-02-15 Universite Claude Bernard Lyon 1 BIOMARKERS OF NEUROBLASTOMA

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1381471A (en) * 1963-10-28 1964-12-14 Verre Textile Soc Du Device for controlling spindles intended for winding threads or wicks
JPH0653982B2 (en) * 1987-08-24 1994-07-20 株式会社日立製作所 Motor direct drive spindle device
DE3839946A1 (en) * 1988-11-26 1990-05-31 Skf Textilmasch Komponenten Drive device for the directed drive of spindles in spinning or twisting machines
DE3931737A1 (en) * 1989-09-22 1991-04-04 Rieter Ag Maschf SELF-DRIVING SPINDLE
EP0436934B1 (en) * 1990-01-12 1996-05-15 Hitachi, Ltd. Directly motor-driven spindle assembly
DE4103518A1 (en) * 1990-03-28 1991-10-02 Skf Textilmasch Komponenten Spindle motor drive - is in two-part housing for centering of stator and rotor on assembly and take up mfg. tolerances
DE4040103A1 (en) * 1990-12-16 1992-06-17 Stahlecker Fritz Spinning spindle - has individual electric motor drive with suitable bearings to reduce noise and wear
US5161361A (en) * 1991-08-30 1992-11-10 Platt Saco Lowell Corporation Motor-driven spindle assembly for ring spinning
EP0972867B1 (en) * 1998-07-14 2004-03-17 Murata Kikai Kabushiki Kaisha Individual-spindle-drive type multiple twister
EP1927688A1 (en) * 2006-11-30 2008-06-04 Maschinenfabrik Rieter Ag Support arrangements for spindel assemblies in ring spinning machines of the Individual-spindle-drive type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359733A (en) * 2017-07-16 2017-11-17 经纬纺织机械股份有限公司 For driving the micro-machine structure of Yarn-spinning spindle

Also Published As

Publication number Publication date
DE102007052527A1 (en) 2009-05-07
DE102007052527B4 (en) 2015-11-12
WO2009056091A1 (en) 2009-05-07
CH700026B1 (en) 2013-02-28
CN101883883B (en) 2013-04-24

Similar Documents

Publication Publication Date Title
CN102648566B (en) Electric motor assembly
JP2008524975A (en) Electric motor for rotation and axial movement
CN101883883B (en) Spindle having individual drive
CN204794602U (en) Permanent -magnet machine positioning frock
CN1367317A (en) Compressor and drive motor component
CN209088715U (en) New screw driving device
CN102780314B (en) Direct drive type outer rotor rotation driving device
CN101191258A (en) Support arrangements for spindel assemblies in ring spinning machines of the individual-spindle-drive type
CN100503148C (en) Milling head with simple pendulum based on single axis rotary platform
CN206894412U (en) A kind of external rotor permanent magnet servomotor
CN101942717A (en) Spindle journal bearing for ring spinning machine
CN110011478B (en) Flat traction motor
CN107204677A (en) A kind of external rotor permanent magnet servomotor
CN101702544B (en) Tilting-pad bearing built-in motor
CN101403148A (en) Flyer bearing
CN209767314U (en) Flat traction motor
CN106149227B (en) Sewing machine motor, sewing machine electric control device and sewing machine
CN201563017U (en) Tilting-pad bearing built-in type motor
CN219181286U (en) Anti-chip structure of motor
CN205772687U (en) A kind of traction machine of elevator without engine room with encoder novel mounting structure and mounting structure thereof
CN209982251U (en) Novel motor rotating shaft for direct-current motor
CN110518726A (en) A kind of direct driving motor
CN201786652U (en) Vortex compressor
CN212625015U (en) Transformer with wire slot mounting structure
CN203866527U (en) Sewing machine with shell-less servo motor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130424

Termination date: 20171013

CF01 Termination of patent right due to non-payment of annual fee