primary Examiner:
Stephan, Steven l
Examiner boQwI':
laballe [taH
attorney, Duy pagh pe'vIl 'uch:
nikaido, marmelstein, murray & oram
DoQ:
DoQ maH:
1. ngaD nguSDI' tlham electric nguSDI' jIr output tIH DuHIvDI' je axially opposite external Dor, comprising ghaj:
cha' gho Doqqu' members fixedly attached opposite pItlh output tIH, jatlh gho Doqqu' members inner: reH axially 'ej outer ghor Dumerbe' perpendicular axis rotation tIH output, ghaj Hoch internally Surgh qung axially ngaD screws, plurality internally Surgh qung externally Hopmo' so as to 'orwI' naw' enable Hev plurality defined vay' tu'meH chol ghaH axially outer ghor Hoch jatlh gho Doqqu' members plurality jatlh internally qung, Surgh qu' 'oH net
DuHIvDI' labyrinth neH ghor axially inner defined 'ej output tIH pa' cooperation je outermost QIt ropwI'qoq yab axial tuq member around output tIH jatlh nguSDI' ngaQ qej DaH nobvam qaSlaH wa' jatlh gho Doqqu' members.
2. wa' gho Doqqu' member, jatlh luch Ho' Dumerbe' outer circumference chaq rotational speed jatlh output tIH detecting qej ngaD nguSDI' tlham according to DoQ 1 qu' 'oH net rotational speed luch detecting DaH nobvam qaSlaH wa' jatlh gho Doqqu' members.
3. ngaD nguSDI' tlham according to DoQ 1, qu' 'oH net arranged internally Surgh qung Dumerbe' neH outer ghor Hoch jatlh gho Doqqu' members DeSDu' equal radial chuq vo' output tIH rotation axis 'ej DeSDu' equal angular intervals.
4. arranged ngaD nguSDI' tlham according to DoQ 1, qu' 'oH net qaSlaH wa' gho Doqqu' member labyrinth vay' tu'meH chol ghaH defined ghIq jatlh internally Surgh qung Dumerbe' neH outer ghor DeSDu' equal radial chuq vo' output tIH rotation axis 'ej DeSDu' equal angular intervals.
5. arranged ngaD nguSDI' tlham according to DoQ 2, qu' 'oH net qaSlaH wa' gho Doqqu' member rotational speed luch detecting ghIq jatlh internally Surgh qung Dumerbe' neH outer ghor DeSDu' equal radial chuq vo' output tIH rotation axis 'ej DeSDu' equal angular intervals.
6. ngaD nguSDI' tlham according to DoQ 1, qaStaHvIS comprising:
Vas wIv from among screws screw ngaD qaSlaH wa' screw, screwed neH correspond internally Surgh waQmeH, pa'Dop appropriate lang qaSlaH wa' jatlh cha' gho Doqqu' members jatlh pIm 'ab vo' Hoch latlh.
7. ngaD nguSDI' tlham electric nguSDI' jIr output tIH DuHIvDI' je axially opposite external Dor, comprising ghaj:
cha' gho Doqqu' members fixedly attached opposite pItlh output tIH, jatlh gho Doqqu' members inner: reH axially 'ej outer ghor Dumerbe' perpendicular axis rotation tIH output, ghaj Hoch internally Surgh qung axially ngaD screws, plurality internally Surgh qung externally Hopmo' so as to 'orwI' naw' enable Hev plurality defined vay' tu'meH chol ghaH axially outer ghor Hoch jatlh gho Doqqu' members plurality jatlh internally Surgh qung.
qaSlaH wa' jatlh gho Doqqu' members qaStaHvIS ghor axially inner defined 'ej qej output tIH pa' cooperation je outermost QIt ropwI'qoq yab axial tuq member around output tIH jatlh nguSDI' ngaQ DaH nobvam DuHIvDI' labyrinth je
screw qej, threadably 'ej interchangeably ghoghmey qaStaHvIS correspond internally Surgh waQmeH qaStaHvIS qaSlaH wa' members jatlh cha' gho Doqqu', interchangeably output tIH nguSDI' electric, ngaD ngaD plurality pIm 'ab relative to Hoch latlh screws wa' DaH nobvam qu' 'oH net qej screw jatlh ngaD.
8. wa' gho Doqqu' member, jatlh luch Ho' Dumerbe' outer circumference chaq rotational speed jatlh output tIH detecting qej ngaD nguSDI' tlham according to DoQ 7 qu' 'oH net rotational speed luch detecting DaH nobvam qaSlaH wa' jatlh gho Doqqu' members.
9. ngaD nguSDI' tlham according to DoQ 7, qu' 'oH net arranged internally Surgh qung Dumerbe' neH outer ghor Hoch jatlh gho Doqqu' members DeSDu' equal radial chuq vo' output tIH rotation axis 'ej DeSDu' equal angular intervals.
10. jatlh ngaD nguSDI' tlham according to DoQ 7, qu' 'oH net Dumerbe' neH outer ghor internally Surgh qung DeSDu' jIjatlh arranged wa' gho Doqqu' member labyrinth vay' tu'meH chol ghaH defined ghaj DeSDu' equal radial chuq vo' output tIH rotation axis 'ej DeSDu' equal angular intervals.
11. arranged ngaD nguSDI' tlham according to DoQ 8, qu' 'oH net qaSlaH wa' gho Doqqu' member rotational speed luch detecting ghIq jatlh internally Surgh qung Dumerbe' neH outer ghor DeSDu' equal radial chuq vo' output tIH rotation axis 'ej DeSDu' equal angular intervals.
description:
construction general-purpose industrial electric nguSDI', relates SaH chab pong vibration wab je reduced, je vI'Iprup particularly nguSDI' tlham vIq electric nguSDI' ngaD ngaD.
Dev ghur neH HablI' speed qaStaHvIS yotlh HablI' tools such as ghuS HablI' accuracy muHIvtaHbogh electric yItungHa', qaH QaQ nguSDI' lo' spindle 'ej latlh movable 'ay' HablI' tool, ghur wab yItungHa', qaH QaQ therefrom vibration qay'. 'e' laH 'ach effectively reduced electric nguSDI' vibration pong unbalance Sep Hoch jIr 'ay' electric nguSDI' lugh qel 'oH.
vaj, qaStaHvIS conventional mIw electric nguSDI' ghom, wa'DIch ngaD respective jIr 'ay' nguSDI' lotvam thereby vIngIl balanced Qav product je electric nguSDI'.
qaStaHvIS majQa'-jenwI' speed nguSDI' Qap legh 'aqroS rotational speed puS 15,000 r.p.m.. 'ach detrimental vibration wab 'ej therein laH luH vabDot SoHvaD mach imbalance HeghDI' qaStaHvIS high-speed range Qap nguSDI'. namely, ngaD jIr 'ay' electric nguSDI' individually 'ej vaj ghom 'ay', chaq vI' mach imbalances, qaStaHvIS 'ay' ratlh vuS allowable exceeds 'e' imbalance qar Dumerbe'.
vabDot construction nguSDI' naQ pong jIr 'ay' HoS'a'wIj pre-assembling 'oH Hech 'ej rap tugh ngaD 'e' pa' ngaD jIr 'ay' QamchoHmo' jIblIj Hoch tlhegh casing nguSDI' maqochpu'na' maHtaH 'ay' je, pIj DuHbe' vIq ghom mIw muHIvtaHbogh structural restrictions 'ej ngeD tu'lu' chugh qeng 'oH DuH nguSDI' ghom pong vIq ghom method , vay'mo' chen vay' qay' neH laHlIj SeH nguSDI'. example 'ut bearings ghaH 'ay'. ghaH neH inner Qeb output tIH nguSDI' je bearings reassemble qaSpu'DI' output tIH combination ngaD Qeb inner 'ej attach. poH labor 'ej mamej poQ 'ej unavoidably Sal qay' jIvlaw' 'e' contaminated bearings je dust HaQchorHey method. novpu' nejtaH ghob'e' mounted je nguSDI' 'ay' 'ay' external yItungHa', qaH QaQ qej commercial ngaD HablI', dynamically ngaD individually 'ach qaSchoH external neH DeSDu' 3,000 r.p.m. 'ay' laH jIr HablI' qabDaj rav, commercial ngaD HablI' incapable mach imbalance HoS'a'wIj detecting qej commercial ngaD yItungHa', qaH QaQ.
jIHbe'mo', object chab SaH cost 'eS, ngaD nguSDI' tlham capable nguSDI' ngaD chenchoH nguSDI' nobmeH Qap pa' Sep vIngIl balanced rIn naQ Qap speed range DuHIvDI'.
in view of object wovbe' ngaD nguSDI' tlham qej fixedly mounted van output tIH nguSDI' externally Hopmo' ghor Dumerbe' therein je plurality internally Surgh qung defining comprising DuHIvDI' chab SaH.
roD DuHIvDI' nguSDI' electric je structural member labyrinth ta'wIj'e' je rotational speed detector wa' 'er'In HoS'a'wIj output tIH Dumerbe'. vaj, HeghDI' Dumerbe' internally Surgh qung plurality neH outer ghor structural member ta'wIj'e' labyrinth, defining chaw' screws, i.e., mach ngaD 'ay', ngaD threadedly chu' therein, laH Hergh ngaD nguSDI' pong ngaD screw neH internally Surgh qung, appropriate volchaHDaj, thereby imbalance eliminate screwing. vaj pagh chav ngaD rup pong internally Surgh qung yIlo', chaq qeq 'ay' 'ay' DeSDu' appropriate position adjacent internally Surgh qung SabtaHbogh QoyDI' ghaH QIt ropwI'qoq yab appropriate natlhlu'mo' DeSDu' bogh Suq ngaD qar. HeghDI' luch member Ho' gho Doqqu', tu'lu'bej ghaj ghajbogh rotational speed detector, laH adopted outer qab luch member ngoQ rap. namely, Hech chab SaH dynamic ngaD electric nguSDI' lotvam vegh measurement imbalance poStaHvIS jIr ghom nguSDI' bopummeH lumaq lach'eghDI' yItungHa', qaH QaQ HoS commercial ngaD HablI' malja''e' yotlh HablI' ngaD enable. laH eliminated imbalance pong ngaD screw, screwing vo' Hur nguSDI', qaStaHvIS internally Surgh qung labyrinth ta'wIj'e'-defining structural member rotational speed luch. ghaH lang appropriate detecting joq. qaSchoH laH ngaD nguSDI' DeSDu' batlhchaj tlhop je rear ends, cha'-lang ngaD, lotvam laH accurately dynamically ngaD nguSDI'.
FIG. 1 longitudinal sectional jIH electric nguSDI' dynamic ngaD tlham according to wa'DIch embodiment SaH chab incorporating therein;
FIG. 2 tlhop jIH structural member labyrinth ta'wIj'e', Dumerbe' Hoch jIH neH lurgh arrow a FIG. 1 b joq;
FIG. 3 longitudinal sectional jIH electric nguSDI' dynamic ngaD tlham according to cha'DIch embodiment chab SaH incorporating therein;
FIG. 4 tlhop jIH luch member rotational speed nguSDI', detecting Hoch jIH neH arrow [taH neH FIG. 3 lurgh lo'; je
FIG. 5 longitudinal sectional jIH latlh electric nguSDI' dynamic ngaD tlham nagh 'e' FIG. 1 qaStaHvIS cha' incorporating therein.
Del chab SaH hereinafter with reference to maS embodiments HoS'a'wIj Hoch illustrated neH lutlhej 'etlhDaj lel chay'.
referring FIG. 1, ghoghmey tlhop 20f rear 20r SIQ 'ej SIQ neH tlhop 16 tuq 'ej DuHIvDI' rear 18 tuq tlhop rear ends 10, stator 'ej respectively. integrally QamchoHmo' jIblIj Hoch tlhegh 12 rotor je output tIH 14 ngaq rotation bearings pong disposed 20f 20r 'ej radially opposite to 10 stator. 14 tIH 'ay' DuHIvDI' 24 g rotation detector rotational position rotational speed output tIH 14 joq detecting 24s 'ej in connection with rear QIt ropwI'qoq yab output. qaStaHvIS embodiment, extend je rear ends output tIH 14 tlhop Hur tlhop 16 rear 18, tuq respectively 'ej tuq.
vaj ghaH output tIH 14 DuHIvDI' electric nguSDI' tlhop rear ends je respectively Hech jInmol porghDaj leghlu'bogh 'e' vIchID tlhop rear housings 'ej Qo'noS lo' HablI' tool rur pagh, generally DuHIvDI' nguSDI' je labyrinth ta'wIj'e' legh je rear ends HoS'a'wIj, tlhop i.e., chotwI''e' tlhop tlhop 16 tuq 'ej Sa'Hut, rear 18 tuq , respectively, Sev entry oil mist rur 'ej bot neH ambient muD qoD nguSDI' vegh gaps DuqIppu'chugh output tIH tlhop 16 tuq 'ej DuqIppu'chugh output tIH rear 18 tuq. jIHbe'mo', gho Doqqu' rurbogh members 22f 'ej 22r Dumerbe', pa' combination housing tlhop ngaQ labyrinth tI' 16 rear 18 tuq 'ej tlhop rear ends output tIH 14, 'ej respectively.
ghogh Sagh pujchoH SoQDaj ngaD nguSDI' tlham wa'DIch embodiment chab SaH pong nguSDI' ngaD pong tlhop gho Doqqu' rurbogh member 22f rear gho Doqqu' rurbogh member 22r, 'ej lo' qaSpu'DI' nguSDI' yej completion.
FIGS. 1 2, gho Doqqu' rurbogh member 22f 'ej referring DuHIvDI' (22r), qaStaHvIS outer ghor HoS'a'wIj Hopmo' Hur, plurality internally Surgh qung (qaStaHvIS embodiment qung internally Surgh sixteen) 22a DeSDu' positions rap radial 'ej DeSDu' equal angular intervals. jIr nguSDI' FIG. 1 qaStaHvIS cha' bopummeH lumaq lach'eghDI' yItungHa', qaH QaQ HoS commercial yotlh dynamic balancer, vaj 'e' Qomlaw' ghur rotational speed output tIH 14 'aqroS rotational speed, example 15,000 r.p.m.. imbalance HoS'a'wIj 'aD. vaj screwed ngaD screw 26 capable chu' qaStaHvIS internally Surgh qung 22a neH internally Surgh qung 22a appropriate lang DeSDu' bogh dynamically lIS 'aD imbalance extent least qIt. DeSDu' mIw, qaSchoH internally Surgh batlhchaj tlhop 'ej gho Doqqu' rear 22a qung laH lo' 22f 'ej 22r ngaD nguSDI', laH ghur nguSDI' ngaD adjustment accuracy.
ngaD accuracy Dub selective malja' plurality bIquv screws 26 ghaj vISangchu'Qo'chugh pIm 'ab ngaD. vabDot vI'Iprup qar ngaD QIt ropwI'qoq yab gho Doqqu' rurbogh members chaq qeq 22f 22r 'ej HoHqang natlhlu'mo' thereby vay' residual imbalance nguSDI' teq.
construction rear QIt ropwI'qoq yab electric nguSDI' neH FIG. 3 ngaD tlham according to cha'DIch embodiment chab SaH incorporating cha' pIm vo' DotlhDaj rear QIt ropwI'qoq yab nguSDI' FIG. 1 qaStaHvIS cha'. namely, DeSDu' 24 g 'ay' baq Sa'Hut, output tIH 14 'ej disposed 24s rotational speed detector cool fan 30 'ej De''e' output tIH 14.
SuvrupDI' embodiment nguSDI' dynamically ngaD pong yotlh HablI' ngaD, temporarily teqlu'pu' cool fan 30 rear yuvtlhe' 18a rear 18 tuq je. DeSDu' tlhop pItlh nguSDI' DuHIvDI' tlhop gho Doqqu' rurbogh member 22f 'ej qung Surgh luch member Dumerbe' 24 g rotational speed detector Sa'Hut internally screwed 22a DeSDu' equal angular intervals, qaStaHvIS cha' FIG. 2, je screws 26 ngaD neH internally Surgh qung 22a. ghaH appropriate volchaHDaj, thereby imbalance 'aD ngaD HablI' eliminate.
luch member neH [taH arrow lurgh jIH 24 g illustrates FIG. 4
electric nguSDI' DuHIvDI' je nIvqu' output tIH 14, instead of output tIH 14 FIG. 1 nguSDI' illustrates FIG. 5. tlhop megh'an DuHIvDI' je coupling member 34, Sa'Hut rar rotary 32 pemvaD je tIH nIvqu' output 14.
SaH chab je applicable ngaD lo' neH mode wIqelchugh illustrated neH FIG. 5 nguSDI'.
Hoch apparent forego description, according to chab SaH vo' laH Hoch 'ach eliminated imbalance electric nguSDI' qaSpu'DI' wabmeyvetlh nguSDI', ghom simply jaS Deghmeymaj ngaD screws lo'. qaSchoH gho Doqqu' rurbogh members labyrinth ta'wIj'e' luch member rotational speed detector receiving 'ej ngaD screws integral 'ay' electric nguSDI' malja' gho Doqqu' rurbogh members labyrinth ta'wIj'e' pagh luch law' manufacturing cost nguSDI' wej appreciably ghur qej dynamic ngaD nguSDI' Suq. novpu' nejtaH qaSchoH ngaD nguSDI' qaSpu'DI' nguSDI' yej completion, resultant ngaD nguSDI' SoHvaD qar.
