Based on the contact mechanics theory of Hertz, for the slewing bearing calculation.

針對(duì)大型回轉(zhuǎn)軸承的設(shè)計(jì)計(jì)算,在赫茲(Hertz)接觸力學(xué)的基礎(chǔ)上,推導(dǎo)了具有初始接觸角的球軸承受傾覆力矩作用的解析公式,研究了運(yùn)用有限元分析軟件在進(jìn)行軸承接觸分析時(shí)的網(wǎng)格劃分標(biāo)準(zhǔn)和單元關(guān)鍵字設(shè)置原則。

By investigating the scene of an auto crane overturning accident and comprehensive analysising of appearance,chemical composition and hardness of the slewing bearing\'s inside track,it was considered that the slewing bearing\'s rupture mainly due to the unreasonable design and manufacturing processes.

通過(guò)對(duì)一起汽車(chē)式起重機(jī)傾翻事件的事故現(xiàn)場(chǎng)勘察、斷裂回轉(zhuǎn)軸承內(nèi)圈的外觀、化學(xué)成分及硬度等的綜合分析,認(rèn)為內(nèi)圈斷裂的主要原因是回轉(zhuǎn)軸承的設(shè)計(jì)、制造工藝不合理引起的。

An FEM model of rotor-bearing system was set up for a single-span-two-disc test rig to obtain such model parameters as the first and second order natural frequency and vibration mode vectors.

以某單跨雙盤(pán)模型轉(zhuǎn)子實(shí)驗(yàn)臺(tái)為例,建立了該轉(zhuǎn)子-軸承系統(tǒng)有限元模型,得到轉(zhuǎn)子系統(tǒng)前兩階固有頻率和振型向量等模態(tài)參數(shù)·基于轉(zhuǎn)子系統(tǒng)碰摩力的周期性假設(shè),利用模態(tài)擴(kuò)展方法,對(duì)故障和健康轉(zhuǎn)子系統(tǒng)振動(dòng)信號(hào)的殘差矩陣進(jìn)行傅立葉級(jí)數(shù)的分頻諧波近似,估算得到轉(zhuǎn)子-軸承各節(jié)點(diǎn)的碰摩力·根據(jù)轉(zhuǎn)子各結(jié)點(diǎn)估算碰摩力的頻譜、時(shí)序以及等效碰摩力幅確定碰摩發(fā)生位置,進(jìn)而對(duì)碰摩故障的程度進(jìn)行定性評(píng)估·試驗(yàn)表明,這種方法可以對(duì)轉(zhuǎn)子周期性碰摩進(jìn)行較精確的診斷,并為其他轉(zhuǎn)子-軸承系統(tǒng)故障診斷提供參考

A reduction calculation method based on fixed interface component mode synthesis is applied to analyze nonlinear dynamic stability of an actual large-scale rotor-bearing system.

采用基于固定界面模態(tài)綜合法的降維方法對(duì)大型實(shí)際非線(xiàn)性轉(zhuǎn)子-軸承系統(tǒng)穩(wěn)定性進(jìn)行了分析。

The nonlinear dynamical characteristics of a actual large-scale rotor-bearing system is firstly investigated by using numerical simulating method, and the computational results accord with the operating experiences.

采用數(shù)值計(jì)算方法對(duì)實(shí)際大型轉(zhuǎn)子-軸承系統(tǒng)的非線(xiàn)性動(dòng)力學(xué)特性進(jìn)行了研究,計(jì)算結(jié)果能與現(xiàn)場(chǎng)的運(yùn)行經(jīng)驗(yàn)很好地吻合。

Analysis of an Auto Crane Slewing Bearing Rupture Accident

汽車(chē)式起重機(jī)回轉(zhuǎn)軸承破裂事故分析

Large Slew Bearing Condition Monitoring and Management Research Based on Virtual Instrument;

基于虛擬儀器的大型回轉(zhuǎn)軸承狀態(tài)監(jiān)測(cè)與管理對(duì)策研究

reverse idler gear shaft bearing

回動(dòng)空轉(zhuǎn)齒輪軸軸承

Fault diagnosis and repair technique of the large-scale slewing bearing

大型回轉(zhuǎn)支撐軸承故障檢測(cè)及修復(fù)工藝

With inner-race rotation slingers should be provided to throw the oil back into the bearing.

當(dāng)內(nèi)圈轉(zhuǎn)動(dòng)時(shí)，應(yīng)該有回注裝置使扔掉的油回注軸承。

Modeling for Rotor System of AC Magnetic Bearing Electric Spindle;

交流磁軸承支承電主軸轉(zhuǎn)子系統(tǒng)建模

The part of a vertical shaft that turns in a bearing.

軸踵軸承中能旋轉(zhuǎn)的垂直的軸

Most Bearings support rotating shafts against either transverse (radial) or thrust (axial) loads.

大多數(shù)軸承都支承徑向或軸向負(fù)荷的轉(zhuǎn)軸。

Large Slew Bearing Condition Based Maintenance and Emulation Research about Best Testing Periodic Time;

回轉(zhuǎn)大軸承的狀態(tài)維修及其最佳檢測(cè)周期仿真研究

tube and ball type steering column

球軸承套管式轉(zhuǎn)向管柱

steering knuckle bearing grease nipple

潤(rùn)滑轉(zhuǎn)向節(jié)軸承油嘴

steering worm sector bearing

轉(zhuǎn)向器扇形蝸輪軸承

In rotating, the shaft splashes oil up into the bearings.

當(dāng)軸旋轉(zhuǎn)的時(shí)候就把油濺入軸承。

Bearings keep the shafts steady.

軸承可以使軸的旋轉(zhuǎn)保持平穩(wěn)。

Reasons Analysis and Maintenance Measures for the Failture of Converter Trunnion Bearing

轉(zhuǎn)爐耳軸軸承的故障分析和維護(hù)措施

coupling for the transmission of rotary motion

傳遞回轉(zhuǎn)運(yùn)動(dòng)聯(lián)軸節(jié)

It is evident that a well lubricated bearing turns more easily than a dry one .

顯然，潤(rùn)滑好的軸承，比不潤(rùn)滑的軸承容易轉(zhuǎn)動(dòng)。

The part of a machine shaft or axle supported by a bearing.

軸頸機(jī)械的轉(zhuǎn)動(dòng)軸或輪軸中由軸承所支撐的部分