Yuav ua li cas Planetary Gearboxes Fais fab Humanoid Robot Joints - Thiab Vim Li Cas Ob -Theem Designs Dominate

Tag nrho -loj humanoid neeg hlau xav tau ntawm 25 thiab 44 actuators nyob ntawm nws qib kev ywj pheej. Txhua tus yuav tsum tsim kom muaj lub ntsiab lus torque, haum rau hauv lub hnab ntawv spatial ntawm tib neeg ceg tawv, muaj sia nyob tsis tu ncua dynamic loading, thiab nyob twj ywm txaus rau cov neeg hlau tswj system kom nkag siab thiab hnov ​​​​mob rau sab nraud rog hauv lub sijhawm. Thoob plaws hauv kev lag luam, cov actuators suav txog 40 txog 60 feem pua ​​​​ntawm cov neeg hlau tag nrho cov nqi ntawm cov ntaub ntawv tus nqi - ua kev sib koom tsav tsheb xaiv ib qho ntawm cov kev txiav txim siab engineering tshaj plaws hauv tag nrho cov txheej txheem tsim.

Qhov nyuaj yog tias tus neeg hlau sib koom ua rau xav tau uas rub tawm cov lus qhia ib txhij:

Cov zis siab torque yog xav tau los txhawb lub cev qhov hnyav thiab tswj cov loads - tsis tau lub gearbox yuav tsum nyob twj ywm compact thiab lub teeb yuag txaus kom haum rau hauv ceg.

Qhov tseeb yog qhov yuav tsum tau muaj rau kev tswj hwm kev tswj hwm - tsis tau qhov kev sib kis yuav tsum tau rov qab los, tso cai rau kev sib koom ua ke kom tawm los rau sab nraud quab yuam ntau dua li tiv thaiv lawv nruj.

Cov txheej txheem nruj yuav tsum tau tswj hwm kev tswj hwm bandwidth thiab tiv thaiv cov ceg oscillation nyob rau hauv load - tsis tau lub drivetrain yuav tsum tau ua raws li txaus los nqus tej yam loads thaum taug kev thiab ntog yam tsis muaj amplifying reflected inertia rov qab mus rau lub cev muaj zog nyob rau hauv txoj kev uas ua rau cov khoom puas.

Standard industrial gearboxes feem ntau tsis haum rau daim ntawv thov ncaj qha nyob rau hauv humanoid neeg hlau pob qij txha vim muaj teeb meem tsim. Yog li ntawd, ob qho kev xaiv nrov rau cov neeg hlau pob qij txha niaj hnub no yog kev sib haum xeeb thiab lub ntiaj teb tsav, nrog cov planetary gearboxes maj mam nrov dua - tshwj xeeb tshaj yog ob -stage planetary gearboxes.

Lub planetary gearbox tau txais nws lub npe los ntawm txoj kev nws txav mus los: ntiaj chaw iav orbit lub hnub ci nruab nrab, txhua yam muaj nyob rau hauv lub nplhaib sab nrauv.

Sun iav- txuas nrog lub cev muaj zog, qhov no yog qhov siab - nrawm nrawm.

Planet gears- feem ntau peb, lawv mesh ib txhij nrog ob lub hnub iav thiab lub nplhaib iav, orbiting thaum lawv tig.

Planet carrier- txhawb nqa lub ntiaj teb lub zog thiab tig nrog lawv cov kiv puag ncig, ua haujlwm raws li qhov qis - nrawm, siab - torque tso tawm kawg.

Lub nplhaib iav- lub nplhaib sab hauv nrog cov hniav; hauv kev siv neeg hlau sib koom ua ke, nws feem ntau yog nyob ruaj ruaj los ua cov tshuaj tiv thaiv vaj tse.

Qhov zoo ntawm cov qauv yog load faib. Vim tias ntau lub ntiaj teb lub zog koom nrog lub nplhaib iav ib txhij, lub zog sib kis tau sib koom ua ke hla ntau lub ntsiab lus sib cuag ib zaug - tsis yog tsom rau ntawm ib lub iav mesh ib yam li nyob rau hauv ib qho kev sib txuas -shaft arrangement. Qhov tshwm sim yog qhov ntau dua torque ceev nyob rau hauv tib lub hnab ntawv lub cev.

Rau kev lag luam machinery - conveyors, winches, mixing equipment - no yog pab tau tab sis tsis tseem ceeb. Lub gearbox muaj chav, qhov hnyav yog tswj tau, thiab rov qab - tsav tsheb tsis tshua muaj qhov yuav tsum tau ua.

Robot pob qij txha ua haujlwm nyob rau hauv qhov sib txawv kiag li. Lub actuator yuav tsum haum rau hauv tib neeg- nplai limb, tso tawm lub ntsiab lus torque los ntawm lub cev muaj zog, thiab nyob twj ywm pob tshab txaus rau cov kev tswj hwm uas yuam kev tawm tswv yim tuaj yeem ua tau. Lub planetary gearbox, nrog nws cov coaxial layout, siab zog - rau- luj piv, thiab efficiency siab tshaj 96% ib theem, maps ib txwm mus rau cov kev cai nyob rau hauv ib txoj kev uas parallel - ncej gearboxes los yog cab tsav tsis.

Qhov no kuj yog ib qho ntawm cov laj thawj vim li cas planetary gearboxes tau dhau los ua cov qauv sib kis tau yooj yim rauneeg hlau sib koom actuators.

Peb hom kis tau tus mob ua rau tib neeg cov neeg hlau sib koom tsim niaj hnub no: planetary gearboxes, harmonic drives, thiab RV reducers. Txhua tus muaj qhov sib txawv profile. Nkag siab qhov twg txhua tus excels - thiab qhov twg txhua qhov poob qis - yog lub hauv paus ntawm ib qho kev sib koom ua ke ntawm cov neeg hlau loj sib koom ua ke.

Cov ntaub ntawv tiv thaiv Harmonic tsav hauv Dynamic Joints

Harmonic drives tsim lawv lub koob npe nrov hauv kev lag luam robotic caj npab - nyob ruaj ruaj, precision- qhov chaw ua haujlwm qhov twg xoom rov qab thiab siab iav piv hauv cov pob compact yog qhov tseem ceeb. Rau cov ntawv thov no, kev lag luam -offs tau txais.

Humanoid neeg hlau pob qij txha ua haujlwm nyob rau hauv cov xwm txheej sib txawv. Ob qhov kev txwv dhau los ua qhov tseem ceeb:

Efficiency poob ntawm nplai

Ib tug humanoid robot gearbox tsis yog ib chav tsev - nws yog 25 mus rau 44 units khiav ib txhij. Ntawm 70-85% kev ua haujlwm ntawm ib qho kev sib koom ua ke, qhov sib xyaw ua ke thermal thiab lub zog poob thoob plaws lub tsheb ciav hlau tag nrho yog qhov tseem ceeb, cuam tshuam ncaj qha rau roj teeb lub sijhawm thiab kev tswj xyuas thermal.

Tsis zoo backdrivability

Qhov no yog qhov teeb meem ntau dua. Backdrivability yog hais txog qhov yooj yim npaum li cas lub zog sab nraud tuaj yeem txav tau sib koom ua ke rov qab los ntawm kev sib kis. Lub tshuab hluav taws xob sib koom ua ke nrog cov khoom siv rov qab tsis tshua muaj qhov ua tau zoo "tso tseg" - lub kaw lus tswj tsis tuaj yeem ntes cov tshuaj tiv thaiv hauv av, kev sib cuag ntawm tib neeg, lossis cov khoom tsis txaus ntseeg hauv qab qhov pib xav tau los kov yeej kev sib txhuam sab hauv. Rau cov neeg hlau legged, qhov no ua rau kev taug kev ruaj khov thiab kev nyab xeeb ntawm tib neeg kev sib raug zoo nyuaj heev kom ua tiav. Harmonic drives, vim yog lawv qhov kev sib txhuam siab dua, ua haujlwm tsis zoo ntawm no.

Lub flexspline - nyias, elastically deforming tivthaiv nyob rau hauv lub plawv ntawm txhua yam harmonic drives - kuj qhia ib tug qaug zog lub neej txwv nyob rau hauv siab -frequency impact loading, uas yog unavoidable nyob rau hauv legged locomotion.

Qhov twg Txhua Hom Muaj nyob ntawm Humanoid Robot

Nyob rau hauv kev xyaum, feem ntau advanced humanoid robots niaj hnub no tsis siv ib hom kis tau tus mob thoob plaws. Cov qauv uas tau tshwm sim thoob plaws hauv kev lag luam yog dav sib xws:

Qis- lub cev pob qij txha (lub duav, hauv caug, pob taws): Cov zis tawm lub zog siab, kev cuam tshuam tsis tu ncua, thiab qhov xav tau rau lub zog pob tshab ua rau qhov no yog lub ntuj tsim ntawm lub ntiaj teb gearbox.

Sab saum toj- lub cev pob qij txha (lub xub pwg nyom, lub luj tshib): Lub zog nruab nrab nrog cov kev xav tau siab dua. Planetary gearboxes tseem muaj kev sib tw ntawm no, tshwj xeeb tshaj yog nyob rau hauv ob - theem teeb tsa qhov twg backlash tuaj yeem tuav rau 3 arcmin lossis qis dua.

Distal pob qij txha (lub dab teg, ntiv tes mechanisms): qhov chaw tsawg, tsawg torque, siab precision xav tau. Harmonic drives los yog qis -rov qab planetary variants feem ntau yog siv qhov sub-arcminute positioning yuav tsum tau.

Qhov kev sib koom ua ke no - los ntawm - kev sib koom ua ke sib txawv yog vim li cas cov neeg muag khoom muaj peev xwm tsim lub ntiaj teb gearboxes hla ntau qib backlash - es tsis yog ib qho kev qhia tshwj xeeb - yog qhov chaw zoo dua los txhawb kev ua tiav humanoid robots sib koom ua ke.

 

 

 

 

Ib zaug -stage planetary gearboxes ua haujlwm zoo hauv quasi- ncaj qha- tsav (QDD) daim ntawv thov uas tsis tshua muaj iav piv - feem ntau 6: 1 txog 12:1 - yog txhob txwm. Lub hom phiaj muaj qhov siab tshaj plaws backdrivability thiab tswj cov pob tshab, ntawm tus nqi ntawm kev xav tau lub cev muaj zog, hnyav dua los ua kom muaj txiaj ntsig zoo ntawm cov zis torque.

Feem ntau humanoid neeg hlau pob qij txha, txawm li cas los xij, xav tau cov iav piv zoo tshaj li qhov ib theem tuaj yeem xa tau zoo. Qhov no yog qhov uas ob -stage planetary gearboxes tau dhau los ua cov lus teb tus qauv.

Qhov ratio ntawm ib theem tsis tuaj yeem sau

Ib theem ntawm lub ntiaj teb feem ntau muab qhov sib piv ntawm 3: 1 thiab 15: 1. Kev sib koom ua ke - theem torque yuav tsum tau rau lub duav thiab lub hauv caug actuators - feem ntau nyob rau hauv thaj tsam ntawm 80 mus rau 200 Nm tso zis los ntawm cov motors spinning ntawm 3,000 rau 8,000 rpm - thov ratios ntawm 20: 1 rau 80: 1 kom tau raws li lub cev muaj zog.

Ob theem hauv koob muab qhov sib piv ntawm txhua theem: thawj theem ntawm 6: 1 ua ke nrog qhov thib ob ntawm 8: 1 yields 48: 1 tag nrho. Critically, qhov no yog ua tiav thaum tuav lub rooj sib dhos coaxial thiab axial ntev nce me ntsis - feem ntau 30 mus rau 50% ntev dua li qhov sib piv ib zaug -theem theem, uas tseem siv tau nyob rau hauv humanoid limb geometry.

Dab tsi Ob Theem Muab Tshaj Tawm

Backlash faib. Hauv ob -theem planetary gearbox, qhov kev ua yuam kev tsis yog ob npaug vim tias qhov backlash ntawm thawj (cov tswv yim) theem tau muab faib los ntawm qhov txo qis ntawm qhov thib ob (tso tawm) theem. Yog li ntawd, tag nrho cov system backlash yog hnyav heev los ntawm cov zis theem ib leeg. Nrog ceev faj -mesh phasing thiab preload tsim, tag nrho cov system backlash tuaj yeem tuav mus rau 3 mus rau 8 arcmin - nyob rau hauv qhov kev pom zoo rau feem ntau humanoid robots ob leeg actuator daim ntawv thov sab nraum lub dab teg.

Torque thiab poob siab muaj peev xwm. Vim tias ob-theem planetary gearbox faib qhov loj kawg tso zis torque tag nrho rau lub zog khov kho thiab lub ntiaj teb cov neeg nqa khoom ntawm theem thib ob, nws lub neej txhua yam thiab lub zog muaj zog tshaj li ntawm ib qho -theem, siab- txo qis lwm txoj hauv kev ntawm tib qho piv txwv thaum tuav cov kev poob siab ib ntus thaum taug kev thiab ko taw.

Kev lag luam validation

Ob qhov -stage planetary configuration tsis yog qhov kev nyiam theoretical - nws muaj kev cuam tshuam txog kev xaiv tsim qauv thoob plaws kev lag luam.

Schaeffler covPlanetary iav actuator, unveiled ntawm CES 2026thiab tsim tshwj xeeb rau humanoid neeg hlau pob qij txha, integrates ob -theem planetary gearbox nrog lub cev muaj zog, encoder, thiab xws li nyob rau hauv ib tug compact unit. Lub zog torque tau hais los ntawm - 60 txog 250 Nm - yog tus sawv cev ntawm ob-stage planetary designs tuaj yeem xa mus rau theem sib koom ua ke yam tsis muaj kev hloov pauv hnyav dua lossis tsawg dua rov qab.

Los ntawm kev cai tsim sab, tus qauv yog sib npaug sib npaug. Feem ntau ntawm kev sib koom tes actuator kos duab tau txais los ntawm humanoid robot developers nyob rau hauv UK, US, thiab Canada qhia ob -stage planetary configurations, nrog rau tag nrho cov piv txwv feem ntau poob ntawm 25: 1 thiab 60: 1 thiab tso zis torque lub hom phiaj uas ua raws li qis dua - lub cev thiab nruab nrab - lub cev sib koom ua ke.

Standard catalog gearboxes yog tsim nyob ib ncig ntawm kev lag luam sib piv thiab kev sib tshuam. Humanoid robots ob leeg actuators tsis tshua haum rau lawv. Lub cev muaj zog flanges, tso zis interfaces, axial ntev pob nyiaj siv, thiab qib backlash yog yuav luag ib txwm sib koom ua ke - tshwj xeeb - uas txhais tau hais tias lub gearbox yuav tsum tau tsim los kos duab.

Gear Manufacturing Precision

Backlash thiab efficiency yog txiav txim siab ntawm lub iav - txiav thiab sib tsoo. Tus neeg muag khoom hais txog P0-qib kev ua tau zoo (tsawg dua lossis sib npaug ntawm 1 arcmin) yam tsis muaj lub zog hauv av ntawm ISO / DIN Qib 5 tab tom thov cov txheej txheem tsis tuaj yeem txhawb nqa.

Peb lub peev xwm tseem ceeb tshwj xeeb rau planetary neeg hlau sib koom ua ke gearboxes:

• Gear skiving- cov txheej txheem ua tau zoo tshaj plaws rau lub nplhaib sab hauv, ua kom zoo ib yam involute profiles ntawm cov hniav sab hauv
• iav sib tsoo- tsis yog- sib tham tau rau Qib 5 qhov tseeb thiab qhov ua tiav qhov zoo uas tsis tshua muaj -backlash mesh xav tau
• Zoo -pitch range- ntiaj chaw iav rau humanoid pob qij txha feem ntau poob rau hauv 0.5 - 2.0 module ntau; tus neeg muag khoom cov khoom siv yuav tsum npog qhov no yooj yim

Machining Tolerances rau vaj tse thiab cov khoom thauj khoom

Bearing lub rooj tolerances ncaj qha cuam tshuam rau preload, uas txiav txim siab ob qho tib si backlash thiab efficiency nyob rau hauv lub assembled gearbox. Rau P1 lossis P0 lub hom phiaj, qhov tseem ceeb bores thiab carrier ncej concentricity yuav tsum tau tuav ntawm ± 0.005 hli - yuav tsum tau precision sib tsoo, tsis txheem CNC milling. Tsis yog- cov yam ntxwv tseem ceeb tuaj yeem ua rau ± 0.01 hli yam tsis muaj kev cuam tshuam rau kev ua haujlwm.

Los ntawm Drawing mus rau xa los ua ke

Tus neeg muag khoom muaj peev xwm yuav tsum npog tag nrho cov txheej txheem yam tsis muaj cov neeg siv khoom tswj xyuas cov khoom sib cais:

Daim duab tshuaj xyuas

Ratio feasibility, module xaiv, interface compatibility nrog lub cev muaj zog thiab tso zis ncej, thiab tej manufacturability kev txhawj xeeb tau tsa ua ntej tooling yog cog lus.

Qauv ntau lawm

Kev ntsuas backlash, kev ntsuas kev ua haujlwm ntawm cov ntsuas torque, kev tshuaj xyuas qhov ntev, thiab cov ntaub ntawv pov thawj ntawm cov khoom me me.

Series ntau lawm

Incorporating ib qho kev hloov kho los ntawm cov qauv ua ntej scaling.

Cov chaw tsim khoom tsim lub nplhaib iav, lub ntiaj teb iav, lub hnub iav, cov cab kuj, thiab cov vaj tsev nyob hauv - lub tsev tswj kom nruj dua kev tswj hwm cov kab mob siab ntev - ntau dua li cov kev cog lus ntawm ib tus neeg.

Peb qhov teeb meem uas tshwm sim tas li

Planetary gearboxes - tshwj xeeb tshaj yog ob-theem configurations - tau txais lawv txoj hauj lwm raws li qhov tseem ceeb kis tau tus mob architecture rau humanoid neeg hlau pob qij txha. Cov laj thawj yog cov neeg kho tshuab, tsis yog qhov tshwm sim: kev sib xyaw ua ke ntawm qhov siab torque, qhov pom tau zoo, rov qab muaj peev xwm tiag tiag, thiab kev sib tw hnyav yooj yim haum rau kev sib koom tes actuator luv luv zoo dua li lwm txoj hauv kev hla feem ntau ntawm cov neeg hlau txoj kev ywj pheej.

Tau txais qhov kev ua tau zoo nyob rau hauv ib qho kev cai sib koom ua ke gearbox los ntawm ob yam: qhia txog qhov tsis raug rau txhua qhov sib koom ua ke qhov tseeb ntawm cov ntaub ntawv, thiab ua haujlwm nrog cov chaw tsim khoom uas nws cov iav ntau lawm thiab lub peev xwm machining phim cov qib precision qhov specification xav tau.

Yog tias koj tab tom tsim humanoid neeg hlau sib koom tes actuator thiab ua haujlwm los ntawm koj tus kheej cov duab kos - seb puas yog rau ib tus neeg lub ntiaj teb cov iav iav los yog ua tiav gearbox sib dhos - peb zoo siab los tshuaj xyuas koj cov lus qhia tshwj xeeb thiab muab cov lus qhia ncaj qha rau kev tsim khoom, ua tiav qib backlash, thiab piv tau.