針對雙輸入圓柱齒輪動(dong)(dong)力(li)分(fen)流驅(qu)動(dong)(dong)系(xi)統(tong)(tong),建立(li)了(le)(le)驅(qu)動(dong)(dong)系(xi)統(tong)(tong)的(de)(de)靜(jing)力(li)學分(fen)析模型(xing),模型(xing)中(zhong)考慮了(le)(le)齒(chi)輪(lun)副的(de)(de)嚙合(he)變形、齒(chi)輪(lun)中(zhong)心(xin)的(de)(de)橫向變形、雙聯齒(chi)輪(lun)軸(zhou)的(de)(de)扭(niu)(niu)轉(zhuan)(zhuan)變形、齒(chi)輪(lun)安裝(zhuang)誤(wu)差和支撐剛度因素。根據驅(qu)動(dong)(dong)系(xi)統(tong)(tong)的(de)(de)力(li)矩和力(li)平衡(heng)條件(jian),以及其閉環結構的(de)(de)變形協調條件(jian),建立(li)了(le)(le)系(xi)統(tong)(tong)的(de)(de)靜(jing)力(li)平衡(heng)方程,求解了(le)(le)系(xi)統(tong)(tong)各(ge)(ge)分(fen)支雙聯齒(chi)輪(lun)軸(zhou)的(de)(de)轉(zhuan)(zhuan)矩及各(ge)(ge)分(fen)支均(jun)(jun)載(zai)(zai)系(xi)數,獲得了(le)(le)安裝(zhuang)誤(wu)差、安裝(zhuang)角(jiao)(jiao)學雙聯齒(chi)輪(lun)軸(zhou)扭(niu)(niu)轉(zhuan)(zhuan)剛度對(dui)系(xi)統(tong)(tong)均(jun)(jun)載(zai)(zai)系(xi)數的(de)(de)影(ying)響規律。研究結果表明(ming),誤(wu)差具有累加作用(yong),各(ge)(ge)誤(wu)差綜合(he)作用(yong)時(shi)系(xi)統(tong)(tong)均(jun)(jun)載(zai)(zai)系(xi)數顯著增大,并車(che)級(ji)齒(chi)輪(lun)安裝(zhuang)誤(wu)差對(dui)系(xi)統(tong)(tong)均(jun)(jun)載(zai)(zai)性(xing)(xing)能(neng)的(de)(de)影(ying)響大于分(fen)扭(niu)(niu)級(ji);在該組(zu)參數條件(jian),左右時(shi),系(xi)統(tong)(tong)左右輸入均(jun)(jun)載(zai)(zai)系(xi)數相等;降低雙聯齒(chi)輪(lun)軸(zhou)扭(niu)(niu)轉(zhuan)(zhuan)剛度有助(zhu)于提系(xi)統(tong)(tong)均(jun)(jun)載(zai)(zai)性(xing)(xing)能(neng),合(he)理配置分(fen)扭(niu)(niu)級(ji)安裝(zhuang)角(jiao)(jiao)和雙聯齒(chi)輪(lun)軸(zhou)扭(niu)(niu)轉(zhuan)(zhuan)剛度差值有利于進一(yi)步改善均(jun)(jun)載(zai)(zai)性(xing)(xing)能(neng)。

  齒(chi)輪(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)系(xi)(xi)統(tong)采(cai)用分(fen)流(liu)構(gou)(gou)型(xing)(xing)(xing)時,即(ji)一個齒(chi)輪(lun)(lun)同時和(he)兩(liang)個齒(chi)輪(lun)(lun)嚙合將輸(shu)入功率進行分(fen)流(liu),則(ze)每分(fen)支承擔的(de)(de)(de)(de)載(zai)荷只有(you)(you)原載(zai)荷的(de)(de)(de)(de)一半(ban),因(yin)此降低(di)(di)了(le)單對(dui)(dui)輪(lun)(lun)齒(chi)承受(shou)的(de)(de)(de)(de)載(zai)荷,相(xiang)應的(de)(de)(de)(de)也(ye)減小(xiao)了(le)齒(chi)輪(lun)(lun)副的(de)(de)(de)(de)節(jie)圓直徑(jing)。這(zhe)不僅(jin)有(you)(you)利于降低(di)(di)整個驅(qu)(qu)動(dong)(dong)(dong)(dong)輪(lun)(lun)系(xi)(xi)的(de)(de)(de)(de)質(zhi)量和(he)體(ti)積,還能(neng)有(you)(you)效控(kong)制齒(chi)輪(lun)(lun)的(de)(de)(de)(de)線速度,對(dui)(dui)大(da)功率速驅(qu)(qu)動(dong)(dong)(dong)(dong)有(you)(you)重要的(de)(de)(de)(de)意義。相(xiang)對(dui)(dui)于行星(xing)齒(chi)輪(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)構(gou)(gou)型(xing)(xing)(xing)而言(yan),直升機(ji)驅(qu)(qu)動(dong)(dong)(dong)(dong)系(xi)(xi)統(tong)采(cai)用分(fen)流(liu)驅(qu)(qu)動(dong)(dong)(dong)(dong)構(gou)(gou)型(xing)(xing)(xing)具有(you)(you)以下特點:后一級驅(qu)(qu)動(dong)(dong)(dong)(dong)比(bi)很大(da),因(yin)此整個驅(qu)(qu)動(dong)(dong)(dong)(dong)系(xi)(xi)統(tong)的(de)(de)(de)(de)驅(qu)(qu)動(dong)(dong)(dong)(dong)級數(shu)會(hui)減小(xiao),這(zhe)對(dui)(dui)降低(di)(di)驅(qu)(qu)動(dong)(dong)(dong)(dong)系(xi)(xi)統(tong)的(de)(de)(de)(de)質(zhi)量其(qi)有(you)(you)利;相(xiang)對(dui)(dui)于行星(xing)驅(qu)(qu)動(dong)(dong)(dong)(dong)構(gou)(gou)型(xing)(xing)(xing),分(fen)流(liu)驅(qu)(qu)動(dong)(dong)(dong)(dong)構(gou)(gou)型(xing)(xing)(xing)的(de)(de)(de)(de)齒(chi)輪(lun)(lun)和(he)軸承數(shu)量少(shao),因(yin)此分(fen)流(liu)驅(qu)(qu)動(dong)(dong)(dong)(dong)構(gou)(gou)型(xing)(xing)(xing)的(de)(de)(de)(de)可靠性較(jiao)行星(xing)驅(qu)(qu)動(dong)(dong)(dong)(dong)構(gou)(gou)型(xing)(xing)(xing);此外分(fen)流(liu)驅(qu)(qu)動(dong)(dong)(dong)(dong)構(gou)(gou)型(xing)(xing)(xing)的(de)(de)(de)(de)噪聲較(jiao)行星(xing)驅(qu)(qu)動(dong)(dong)(dong)(dong)構(gou)(gou)型(xing)(xing)(xing)的(de)(de)(de)(de)低(di)(di)。

目(mu)前,圓(yuan)柱齒輪動(dong)(dong)力分(fen)流驅動(dong)(dong)系(xi)統因其結(jie)構緊湊(cou)、體(ti)積小、驅動(dong)(dong)比大、可(ke)靠(kao)性等特點受到外(wai)學者的關注(zhu)。