外文翻譯---yz12振動(dòng)壓路機(jī)簡(jiǎn)介

1、<p>　　YZ12振動(dòng)壓路機(jī)簡(jiǎn)介</p><p><b>　　說(shuō)明書（摘選）</b></p><p>　　第一節(jié)主要技術(shù)特點(diǎn)</p><p>　　z 行駛、振動(dòng)和轉(zhuǎn)向三大系統(tǒng)均為液壓傳動(dòng)，且三個(gè)系統(tǒng)的液壓泵連成一體，由發(fā)動(dòng) 機(jī)曲軸輸出端通過(guò)彈性聯(lián)軸器直接驅(qū)動(dòng)各泵，然后由各控制元件控制各系統(tǒng)的馬達(dá) 或油缸，使各系統(tǒng)運(yùn)轉(zhuǎn)。</p

2、><p>　　z 具有四檔行走速度，在各檔內(nèi)均實(shí)現(xiàn)無(wú)級(jí)調(diào)速，一檔為 0~6.5km/h ，二檔為0~8.6km/h，三檔為 0~10.2km/h，四檔為 0~12.5km/h，能保證壓路機(jī)在各種工況下以最佳的速度進(jìn)行壓實(shí)作業(yè)以及能以較快的速度行駛。</p><p>　　z 為了提高振動(dòng)軸承的壽命和可靠性，本機(jī)采用了獨(dú)特的設(shè)計(jì)思想：高精度的、強(qiáng)制 潤(rùn)滑的振動(dòng)輪。</p><p

3、>　　z 振動(dòng)系統(tǒng)具有雙頻、雙幅功能，可以有效地壓實(shí)不同種類及厚度的鋪料層。</p><p>　　z 本機(jī)采用四級(jí)減振結(jié)構(gòu)，使得在振動(dòng)壓實(shí)時(shí)，對(duì)乘員的不利影響減小到最低限度。 再加上裝有空調(diào)的舒適明亮的駕駛室，為駕駛員創(chuàng)造了理想的工作環(huán)境。</p><p>　　z 具有不需要潤(rùn)滑的免維護(hù)中央鉸接裝置。</p><p>　　z 本機(jī)采用的柴油機(jī)、液壓泵、馬達(dá)和后

4、橋等元件，均為國(guó)際知名的優(yōu)秀產(chǎn)品，從而 確保壓路機(jī)的技術(shù)先進(jìn)性和工作可靠性。</p><p>　　z 本機(jī)屬于我國(guó)振動(dòng)壓路機(jī)標(biāo)準(zhǔn)型中的超重型壓路機(jī)，適用于高等級(jí)公路、鐵路路基、 機(jī)場(chǎng)、大壩、碼頭等高標(biāo)準(zhǔn)工程壓實(shí)作業(yè)。</p><p>　　z 具有與眾不同的壓實(shí)能力，最大壓實(shí)力達(dá) 56800kg，壓實(shí)效果好。</p><p>　　z 整體開啟的覆蓋件，使所有的維修點(diǎn)隨

5、手可及。</p><p>　　z 集中、外置的液壓測(cè)壓點(diǎn)，使液壓系統(tǒng)的檢測(cè)、維護(hù)更加方便。</p><p>　　z 完善的安全保護(hù)裝置，使操作者的安全得到充分的保證。</p><p><b>　　第二節(jié)總體結(jié)構(gòu)</b></p><p>　　YZ12 型振動(dòng)式壓路機(jī)利用振動(dòng)輪的高速振動(dòng)壓實(shí)基礎(chǔ)和路面，使其具有足夠的承載

6、能力，并降低其透水性。YZ12 振動(dòng)式壓路機(jī)采用全液壓控制，雙輪驅(qū)動(dòng)，單鋼輪、自 行式結(jié)構(gòu)。</p><p>　　本機(jī)包括振動(dòng)輪部分和驅(qū)動(dòng)車部分兩大單元，它們之間通過(guò)中心鉸接架鉸接在一起。本機(jī)采用鉸接轉(zhuǎn)向方式，以提高其通過(guò)性能和機(jī)動(dòng)性能。 振動(dòng)輪部分包括振動(dòng)輪總成、前車架總成（包括刮泥板）等部件。 振動(dòng)輪內(nèi)的偏心軸通過(guò)彈性聯(lián)軸器與振動(dòng)馬達(dá)軸相連，由液壓泵組中的振動(dòng)泵供應(yīng)高壓油給振動(dòng)馬達(dá)帶動(dòng)偏心軸旋轉(zhuǎn)而產(chǎn)生強(qiáng)大的激

7、振力。振動(dòng)頻率和振幅可通過(guò)液壓系統(tǒng) 的控制來(lái)進(jìn)行調(diào)整，以滿足不同工況的要求。</p><p>　　此外，振動(dòng)輪還具有行走的功能。由液壓泵組中的行駛泵輸出的高壓油驅(qū)動(dòng)振動(dòng)輪左邊的液壓馬達(dá)旋轉(zhuǎn)，從而驅(qū)動(dòng)振動(dòng)輪行駛。</p><p>　　為減輕乃至消除振動(dòng)對(duì)驅(qū)動(dòng)車部分和駕駛員的不利影響，在前車架與振動(dòng)輪之間以及駕駛室與后車架之間都裝有起減振緩沖作用的減振塊。</p><p&g

8、t;　　驅(qū)動(dòng)車部分是壓路機(jī)行駛和供給三大系統(tǒng)壓力油的動(dòng)力源。發(fā)動(dòng)機(jī)、行駛和振動(dòng)及轉(zhuǎn)向系統(tǒng)、操縱裝置、駕駛室、電氣系統(tǒng)、安全保護(hù)裝置等均裝在車上。</p><p><b>　　第三節(jié)液壓系統(tǒng)</b></p><p><b>　　一．液壓系統(tǒng)原理</b></p><p>　　壓路機(jī)液壓系統(tǒng)主要包含三個(gè)子系統(tǒng)，即行駛液壓系統(tǒng)、

9、振動(dòng)液壓系統(tǒng)和轉(zhuǎn)向液壓系 統(tǒng)。行駛、振動(dòng)、轉(zhuǎn)向三泵為三聯(lián)組合泵。行走泵中含有一個(gè)齒輪泵作為液壓系統(tǒng)的補(bǔ)油 泵，同時(shí)，也可為制動(dòng)油缸提供壓力油。</p><p><b>　　二．行駛液壓系統(tǒng)</b></p><p>　　采用一泵雙馬達(dá)組成的并聯(lián)閉式回路。系統(tǒng)最高工作壓力為 40MPa。行駛泵為變量柱 塞泵，前行駛馬達(dá)為變量柱塞馬達(dá)，它與行星減速器構(gòu)成最佳組合。后行駛馬達(dá)

10、也是變量 柱塞馬達(dá)，與后橋總成輸入端的減速器相連。</p><p>　　行駛泵通過(guò)控制斜盤的角度來(lái)改變高壓油的流量和方向，從而改變機(jī)器的行駛方向和 速度；變量柱塞馬達(dá)通過(guò)電磁閥控制使其具有兩種斜盤角度，從而使機(jī)器具有四檔速度， 以適應(yīng)不同工況的要求。</p><p><b>　　三. 振動(dòng)液壓系統(tǒng)</b></p><p>　　振動(dòng)液壓系統(tǒng)是由單

11、泵單馬達(dá)組成的閉式液壓回路，系統(tǒng)最高工作壓力為 38MPa。振 動(dòng)泵為變量斜盤柱塞泵，振動(dòng)馬達(dá)為定量斜軸柱塞馬達(dá)。</p><p>　　通過(guò)操縱電磁閥，可以使振動(dòng)泵的斜盤具有方向相反的兩種可變斜盤角，從而使泵輸 出不同方向和流量的高壓油，振動(dòng)馬達(dá)隨之產(chǎn)生不同的轉(zhuǎn)向和轉(zhuǎn)速，使振動(dòng)輪以不同的頻 率和振幅振動(dòng)。</p><p><b>　　四轉(zhuǎn)向液壓系統(tǒng)</b></

12、p><p>　　轉(zhuǎn)向液壓系統(tǒng)采用開式回路，系統(tǒng)工作壓力 16MPa。由轉(zhuǎn)向泵、全液壓轉(zhuǎn)向器、兩個(gè) 轉(zhuǎn)向油缸以及油管等組成。</p><p><b>　　轉(zhuǎn)向泵為齒輪泵。</b></p><p>　　五液壓控制系統(tǒng)及附件 </p><p>　　液壓系統(tǒng)還包括集成控制閥塊、集流塊以及油箱、過(guò)濾器、冷卻器等輔件。 液壓系統(tǒng)同時(shí)為

13、制動(dòng)系統(tǒng)提供松剎油。</p><p><b>　　第四節(jié)行駛系統(tǒng) </b></p><p>　　行駛系統(tǒng)由行駛液壓系統(tǒng)、后橋總成組成。</p><p>　　一．行駛泵、行駛馬達(dá)</p><p>　　行駛泵、行駛馬達(dá)的功用在液壓系統(tǒng)中已有介紹。行駛、振動(dòng)、轉(zhuǎn)向三聯(lián)泵通過(guò)彈性 聯(lián)軸器連接在發(fā)動(dòng)機(jī)的飛輪盤上。行駛泵和行駛馬達(dá)

14、用高壓軟管連接。后橋驅(qū)動(dòng)馬達(dá)連接 在后橋總成的減速器上，輸入動(dòng)力后帶動(dòng)后橋主動(dòng)軸回轉(zhuǎn)；振動(dòng)輪驅(qū)動(dòng)馬達(dá)與行星減速器 構(gòu)成一體，連接在振動(dòng)輪的梅花板總成上，動(dòng)力由馬達(dá)傳到梅花板總成，梅花板總成帶動(dòng) 振動(dòng)輪旋轉(zhuǎn)。為了減少乃至消除振動(dòng)對(duì)驅(qū)動(dòng)車及司機(jī)的不利影響，梅花板總成和振動(dòng)輪之 間 的連接處裝有優(yōu)質(zhì)進(jìn)口減振塊。</p><p><b>　　二．后橋總成</b></p><p&

15、gt;　　后橋總成由減速器、濕盤多片式制動(dòng)器、中央傳動(dòng)、驅(qū)動(dòng)橋殼、輪邊行星減速器、輪 轂等組成。</p><p><b>　　三．輪胎總成</b></p><p>　　輪胎采用低壓寬斷面工程機(jī)械輪胎。規(guī)格為 23.1-26，充氣壓力 1.1kgf/cm2。</p><p><b>　　第五節(jié)振動(dòng)輪總成</b></p

16、><p>　　振動(dòng)輪總成由振動(dòng)輪體、偏心軸、調(diào)幅裝置、減振塊、振動(dòng)輪驅(qū)動(dòng)馬達(dá)、振動(dòng)軸承、 振動(dòng)馬達(dá)、行走支撐、軸承座、梅花板、左右連接支架等組成。</p><p><b>　　一． 振動(dòng)輪體</b></p><p>　　振動(dòng)輪體外徑 1600mm，寬度 2170mm。振動(dòng)輪體采用鋼板卷制對(duì)接而成，其外圓光滑 平整、壁厚均勻，可以保證振動(dòng)壓實(shí)效果均勻

17、一致，壓實(shí)路面效果尤佳，并可用作靜碾壓 實(shí)。振動(dòng)輪體內(nèi)腔裝軸承座、偏心軸、調(diào)幅裝置，此密封腔內(nèi)裝有 Mobil—629 美孚齒輪 油。</p><p><b>　　二． 偏心軸</b></p><p>　　偏心軸是振動(dòng)發(fā)生器，機(jī)器的振動(dòng)是通過(guò)振動(dòng)馬達(dá)帶動(dòng)偏心軸高速旋轉(zhuǎn)而產(chǎn)生的。偏 心軸一端和振動(dòng)馬達(dá)相連，改變振動(dòng)馬達(dá)的旋向就可以改變振幅。</p><

18、;p><b>　　三．調(diào)幅裝置</b></p><p>　　調(diào)幅裝置安裝在偏心軸上，起調(diào)定振幅的作用。通過(guò)改變調(diào)幅裝置中調(diào)幅塊的位置， 達(dá)到調(diào)整振幅的目的。調(diào)幅裝置是一個(gè)密封的圓柱形焊接結(jié)構(gòu)件。</p><p><b>　　四．減振塊 </b></p><p>　　為了減輕振動(dòng)對(duì)車架的影響，振動(dòng)輪與前車架之間設(shè)有橡膠

19、減振塊。 </p><p>　　五．振動(dòng)輪驅(qū)動(dòng)馬達(dá)及減速機(jī) </p><p>　　振動(dòng)輪驅(qū)動(dòng)馬達(dá)、減速機(jī)和支架一起固定在前車架上，減速機(jī)的輸出盤連接在梅花板上，動(dòng)力由馬達(dá)輸出軸傳到減速機(jī)，再傳到梅花板，梅花板再傳到振動(dòng)輪，驅(qū)動(dòng)振動(dòng)輪旋轉(zhuǎn)。</p><p>　　六．振動(dòng)軸承、行走支撐</p><p>　　偏心軸兩端通過(guò)振動(dòng)軸承支承在軸承座上，振

20、動(dòng)馬達(dá)通過(guò)行駛支撐組件支承在右軸承 座上。振動(dòng)軸承采用瑞典 SKF 軸承或德國(guó) FAG 軸承。行走支撐組件為免維護(hù)結(jié)構(gòu)。</p><p><b>　　第六節(jié)轉(zhuǎn)向系統(tǒng)</b></p><p>　　轉(zhuǎn)向采用鉸接轉(zhuǎn)向，主要由轉(zhuǎn)向齒輪泵、全液壓轉(zhuǎn)向器、兩個(gè)轉(zhuǎn)向油缸、壓力油管等 組成。液壓轉(zhuǎn)向系統(tǒng)安裝在后車架上，通過(guò)轉(zhuǎn)向油缸的伸縮控制整車的轉(zhuǎn)向。</p><

21、;p><b>　　第七節(jié)制動(dòng)系統(tǒng)</b></p><p>　　為了確保壓路機(jī)的工作和行駛安全，YZ18C 制動(dòng)系統(tǒng)設(shè)有行駛制動(dòng)、停車制動(dòng)和緊急 制動(dòng)三種。</p><p><b>　　一．行駛制動(dòng)</b></p><p>　　行駛制動(dòng)采用液壓制動(dòng)。液壓制動(dòng)由控制行駛操縱桿來(lái)實(shí)現(xiàn)。行駛操縱桿控制的操縱 閥回到中位時(shí)，

22、行駛泵供給行駛馬達(dá)的流量降至零，使壓路機(jī)停止行駛。</p><p>　　二．停車制動(dòng)與緊急制動(dòng)</p><p>　　當(dāng)壓路機(jī)在行駛或工作時(shí)，前驅(qū)動(dòng)減速器與后橋上液動(dòng)控制的常閉多片式制動(dòng)器處于 開啟狀態(tài)，不起制動(dòng)作用。而當(dāng)壓路機(jī)在停車時(shí)，多片式制動(dòng)器通過(guò)彈簧力將摩擦片鎖緊， 處于制動(dòng)狀態(tài)。</p><p>　　緊急制動(dòng)主要是液壓伺服制動(dòng)，輔之以機(jī)械制動(dòng)。按下緊急制動(dòng)按

23、扭后，行駛油泵的 斜盤立即回歸零位而產(chǎn)生液壓制動(dòng)；與此同時(shí)，前驅(qū)減速器與后橋制動(dòng)器亦迅即產(chǎn)生制動(dòng)作用。</p><p>　　注意：在非緊急狀態(tài)下不得使用緊急制動(dòng)，特別是在快速行駛狀態(tài)。</p><p><b>　　第八節(jié)車架</b></p><p>　　車架包括前車架、后車架、中心鉸接架三大部分。它們連接成一個(gè)鉸接整體支撐機(jī)器 的上部結(jié)構(gòu)。&

24、lt;/p><p><b>　　一．前車架</b></p><p>　　前車架由刮泥板總成、前框板、后框板、兩塊側(cè)板等組成。它的主要功用是支撐振動(dòng) 輪總成。前車架為典型的方框結(jié)構(gòu)，采用高強(qiáng)度鋼板組合而成，具有足夠的強(qiáng)度和剛度抵 抗壓路機(jī)工作時(shí)的強(qiáng)沖擊力和扭矩。刮泥板用以刮下粘在振動(dòng)輪上的泥土。刮泥板前端與 振動(dòng)輪外圓表面的間隙可以調(diào)節(jié)。</p><p&

25、gt;<b>　　二．后車架</b></p><p>　　后車架由燃油箱、防滾翻保護(hù)架、液壓油箱、液壓油箱支架、覆蓋件、框架等組成。 它的主要功用是支撐發(fā)動(dòng)機(jī)和駕駛室，固定后橋。后車架為一長(zhǎng)方框結(jié)構(gòu)，前面是和中心鉸接架相連的立軸和前板，后面是燃油箱總成， 中間是槽鋼架。為了保證強(qiáng)度，薄弱部位采用加強(qiáng)肋加強(qiáng)，而且槽鋼用封板封成箱形梁結(jié) 構(gòu)。底部后橋支板用螺栓和后橋總成剛性連接。為了減小振動(dòng)產(chǎn)生

26、的影響，發(fā)動(dòng)機(jī)和后車 架之間設(shè)有彈性減振塊，同時(shí)又可方便地將發(fā)動(dòng)機(jī)調(diào)整到水平位置。</p><p><b>　　三．中心鉸接架</b></p><p>　　中心鉸接架由鉸接架、軸端擋板、球形軸承等組成。通過(guò)它將前后車架鉸接成一個(gè)整體，可以實(shí)現(xiàn)轉(zhuǎn)向和前車架左右擺動(dòng)。通過(guò)控制轉(zhuǎn)向油缸的伸出長(zhǎng)度來(lái)控制轉(zhuǎn)向角。機(jī)器 前后車架之間允許橫向相對(duì)擺動(dòng)，擺動(dòng)角不大于±15&

27、#176;，這樣壓路機(jī)可以在不平整的路面 上穩(wěn)定行駛并進(jìn)行壓實(shí)工作。為了方便保養(yǎng)，球形軸承采用自潤(rùn)滑向心關(guān)節(jié)球軸承。</p><p>　　第九節(jié)駕駛室及操縱系統(tǒng)</p><p>　　駕駛室采用全密封減振式結(jié)構(gòu)，安裝有冷暖空調(diào)，操作舒適可靠，外形美觀大方威 武雄壯，內(nèi)飾高雅明亮，達(dá)到國(guó)內(nèi)先進(jìn)水平。司機(jī)室內(nèi)各操縱桿、方向盤、司機(jī)座、監(jiān)測(cè) 儀表的布置完全符合人機(jī)工程學(xué)的原理。司機(jī)座椅高度可以升

28、降、前后可以移動(dòng)、靠背角 度也可調(diào)整。為減小乃至消除振動(dòng)的影響，司機(jī)室與后車架之間裝有優(yōu)質(zhì)的減振裝置，駕 駛室前后都裝有雨刮。</p><p><b>　　第十節(jié)電氣系統(tǒng)</b></p><p>　　電氣系統(tǒng)包括蓄電池、直流起動(dòng)電動(dòng)機(jī)、三相交流發(fā)電機(jī)、照明燈具以及電氣儀表、 監(jiān)控儀表、安全保護(hù)元件、聲光報(bào)警裝置等。電器元件采用進(jìn)口國(guó)際知名品牌。系統(tǒng)電壓</p&

29、gt;<p>　　24V，負(fù)極搭鐵，線路采用單線制。儀表、儀表板、燈具等的配置達(dá)到國(guó)內(nèi)先進(jìn)水平。</p><p>　　第十一節(jié)安全保護(hù)裝置</p><p>　　YZ12 型振動(dòng)壓路機(jī)有完備的安全裝置</p><p>　　z設(shè)有防滾翻保護(hù)裝置（ROPS）。</p><p>　　z鉸接固定安全桿：壓路機(jī)裝卸發(fā)運(yùn)或長(zhǎng)期停置時(shí)固定

30、鉸接架用。</p><p>　　z起動(dòng)閉鎖裝置：當(dāng)壓路機(jī)的行駛操縱桿處于行駛檔位或高低頻選擇開關(guān)不處于 0 位時(shí)不能起動(dòng)發(fā)動(dòng)機(jī)。</p><p>　　z裝有緊急制動(dòng)裝置。</p><p>　　z覆蓋件開啟自動(dòng)保護(hù)裝置：當(dāng)覆蓋件在手動(dòng)液壓泵作用下向上開啟時(shí)，安全防護(hù) 裝置能防止覆蓋件意外下落，當(dāng)維護(hù)結(jié)束要降下覆蓋件前，將手動(dòng)液壓泵上方的 軟軸操縱器拉出，覆蓋件能

31、在油泵作用下由油缸將之拉下，覆蓋件閉合后將軟軸 操縱器推進(jìn)去。（注意事項(xiàng)：降下覆蓋件前必須將軟軸操縱器拉出。）</p><p>　　第十二節(jié)壓路機(jī)操作安全規(guī)程</p><p>　　z盡量不要在靜止時(shí)實(shí)施振動(dòng)，不允許在堅(jiān)硬的地面上進(jìn)行振動(dòng)，以免損壞機(jī)器。</p><p>　　z不允許壓路機(jī)在超過(guò)其允許爬坡度的坡道上行駛。</p><p>

32、　　z在泥濘道路上，雖坡道的坡度小于允許的爬坡度，但沒有防滑措施時(shí)，不得使用 本機(jī)。</p><p>　　z在地面不夠堅(jiān)實(shí)或有坑穴時(shí)，不得使用本機(jī)。在溝渠或斜坡的邊緣，亦不得使用 本機(jī)。</p><p>　　z夜間行駛和施工應(yīng)開啟前后大燈照明。</p><p>　　z在雨天工作時(shí)，為保證能見度，請(qǐng)使用前后雨刮。</p><p>　　z

33、為避免意外翻車，在斜坡邊工作時(shí)，不要突然轉(zhuǎn)向。</p><p>　　z在雨天，應(yīng)盡量避免在斜坡邊進(jìn)行振動(dòng)壓實(shí)作業(yè)。因振動(dòng)會(huì)增加向兩邊滑行的危 險(xiǎn)。</p><p>　　z壓路機(jī)在開啟覆蓋件進(jìn)行維護(hù)時(shí)，請(qǐng)注意頭部安全。</p><p>　　第十三節(jié)運(yùn)輸和裝卸安全要求</p><p>　　一般情況下，壓路機(jī)不得長(zhǎng)途高速行駛。遠(yuǎn)距離（30

34、公里以上）轉(zhuǎn)移工地時(shí)，需 用拖運(yùn)機(jī)具裝運(yùn)。</p><p><b>　　一．運(yùn)輸</b></p><p>　　不論是采用公路還是鐵路運(yùn)輸，對(duì)壓路機(jī)的運(yùn)輸都必須選用具有合適容積和裝載 能力的車輛來(lái)進(jìn)行。</p><p>　　運(yùn)輸時(shí)，應(yīng)將前后車架用鉸接安全固定桿連接在一起，同時(shí)還要采取必要的措施 防止壓路機(jī)滑動(dòng)和滾動(dòng)。</p><

35、;p><b>　　二．裝卸</b></p><p>　　裝卸壓路機(jī)時(shí)，裝卸工具必須有足夠的承載能力。 用吊車裝卸壓路機(jī)時(shí)，必須先將中心鉸接架用固定裝置固定好后，再用大型平板吊鉤起吊，以保證壓路機(jī)吊起后仍保持平直狀態(tài)。</p><p>　　來(lái)自中聯(lián)重科的《YZ12振動(dòng)壓路機(jī)說(shuō)明書》。</p><p>　　Introductionto YZ1

36、2 Vibration roller</p><p>　　Literature</p><p>　　The first sectionMajor technique characteristic </p><p>　　Z Vibration, and turned to the three major systems for hydraulic transmis

37、sion, hydraulic pumps and three systems into one, directly by the engine crankshaft output through elastic coupling-driven pump, and then by the various control components control the system of the motor or cylinder, so

38、that all systems running. </p><p>　　Z Has four walking speed, realize stepless speed in every document, a document for 0~6.5km/h, second gear for 0~8.6km/h, third gear for 0~10.2km/h, four 0~12.5km/h, can gu

39、arantee the speed of the rollers in a variety of conditions to make the best compaction jobs, and can travel at faster speeds. Vibration bearing life and z in order to improve reliability, this machine uses a unique desi

40、gn: high-precision, forced lubrication of vibrating wheel. </p><p>　　Z Vibration system with dual-frequency, dual-site functionality, can be effective compaction of different types and thickness of paving ma

41、terial. </p><p>　　Z This vibration reduction of a four-level structure, making the vibration mode in real time, adverse effects on the crew reduced to a minimum. Coupled with the comfortable and bright cabs

42、equipped with air conditioning, creating an ideal working environment for drivers. </p><p>　　Z Has a maintenance-free Central hinged device that does not require lubrication. </p><p>　　Z This m

43、achine is used in diesel engines, hydraulic pumps, motors and axle components are internationally famous excellent products, so as to ensure that the roller technology advancement and reliability. </p><p>　　

44、Z This machine belongs to super heavy in China's standard of vibratory road roller, for high-grade Highway, railway, airport, dam, terminals, a high standard of subgrade engineering compaction operations. Compaction

45、of z has a unique ability, max power 56800kg, good compaction effect.</p><p>　　Z The overall opening of panels, all readily available and maintenance points.</p><p>　　Z Centralized, external hy

46、draulic pressure points, making hydraulic systems testing, maintenance more convenient. </p><p>　　Z Complete safety protection device, so that operators are fully guaranteed. </p><p>　　The sec

47、ond section The overall structure</p><p>　　YZ12 type vibration on the roller make use of the wheel of the vibration on the road is compacted, and it has sufficient ability to carry, and reduces through wate

48、r.YZ12-vibration road roller hydraulic control, two-wheeled, single steel wheel, self-propelled structure. </p><p>　　This machine vibration wheel parts and vehicle parts including two units, articulated thro

49、ugh the Center articulated frame between them together. This machine adopts articulated steering, to improve its performance and mobility. Part including drum vibratory wheel Assembly, front frame Assembly (including scr

50、aper) and other parts. Vibration round of the eccentric shaft via elastic coupling and vibration of motor shaft is connected to, supplied by a hydraulic pump vibration in pump high pressure </p><p>　　To redu

51、ce and even eliminate the adverse effects of vibration on driving car and driver, in the first frame after frame and vibration between wheel and cab and are equipped with a vibration reduction between buffer damping bloc

52、ks. </p><p>　　Driving car parts are rollers and pressure oil supply three system power source. Engine, drive and vibration and steering system, control device, the control room, electrical system, security

53、protection devices are installed in the car. </p><p>　　The third section Hydraulic system</p><p>　　Road roller hydraulic system in hydraulic system contains three main subsystems, the vibration

54、 of hydraulic system, hydraulic system and steering hydraulic system. Three pumps, vibration, steering the triple combination pumping. Walking pump with a gear pump in back tax and penalties as a hydraulic system pump, a

55、t the same time, also provide pressure to the brake cylinder oil. II. driving hydraulic system with a dual-motor pumps consisting of parallel closed-circuit. </p><p>　　System operating pressures up to 40MPa.

56、 Driving pump for the variable displacement piston pump, piston driving motor for variable before, it constitutes the best combination and planetary reducer. </p><p>　　Drive motor is also variable piston aft

57、er, enter the end connected to the gearbox and rear axle assemblies. Pump to control the angle of oblique to change high pressure oil flow and direction, so as to change the direction of travel of the machine and speed;

58、variable piston by electromagnetic valve with two oblique angle, so that the machine has four speeds, to meet the needs of different operating conditions. III. vibration of hydraulic system of vibratory hydraulic system

59、is made up of single </p><p>　　By manipulating electromagnetic valve, you can make the vibration of pumps swashplate with opposite two variable oblique angle, so that different direction and flow of high pre

60、ssure oil pump output, vibration motor with resulting different steering and speed to vibrations at different frequencies and amplitudes vibration. </p><p>　　Four steering steering hydraulic system using ope

61、n-circuit hydraulic system, the system working pressure 16MPa. By steering pump, hydraulic steering gear, two steering cylinders and tubing and other components. Steering pump gear pump. Five hydraulic system of hydrauli

62、c control system and accessories also include integrated control valve block, collection block, and tanks, filters, coolers, accessories. Hydraulic brake oil of systems at the same time for the braking system provides.

63、</p><p>　　The fourth section Drive system system </p><p>　　Drive system system is composed of driving hydraulic system, rear axle Assembly. I. driving pump, driving motor driven pump and motor

64、function in the hydraulic system has been introduced. </p><p>　　Triple, vibration, steering pump through elastic coupling connection on the fly-wheel of the engine.Hose connection for driving pumps and motor

65、s. Rear axle drive motor connections on the rear axle Assembly gear reducer, input power drive rear axle drive shaft rotation after; vibration wheel-drive motor with planetary gear reducer constitute one connection in pl

66、um of vibratory wheel on plate Assembly, powered by the motor to the plum blossom plate Assembly, Phillips-driven plate Assembly vibratio</p><p>　　Specifications for 23.1 per cent, inflation pressure 1.1kgf/

67、cm2.</p><p>　　The fourth section Vibration wheel assembly</p><p>　　Vibrating wheel assembly of vibratory wheel assembly eccentric of vibratory wheel axis, amplitude modulation device, vibration,

68、 vibrating wheel vibration of driven motor, bearings, vibration motors, mobile support, housings, plum flower plate, left and right connection brackets and so on. </p><p>　　I. vibratory wheel of vibratory wh

69、eel diameter of 1600mm, width 2170mm. Vibrating wheel plate rolling body butt into its round smooth, uniform wall thickness, can ensure the vibration compaction effect uniform, preferably in the pavement of compaction ef

70、fect and can be used as static compacted solid. Body cavity loaded vibratory wheel bearings, eccentric axis, amplitude modulation device, this sealed Chamber containing Mobil-629 Mobil gear oil.</p><p>　　II.

71、 eccentric shaft eccentric shaft vibration generators, machine vibration is generated by vibration motor drives eccentric shaft high speed rotation. One end of the eccentric shaft and the vibration motor connected, chang

72、e the Rotary to can change the amplitude of the vibration motor. </p><p>　　III. amplitude modulation device amplitude modulation device mounted on the eccentric shaft, set role of amplitude. Location of the

73、device by changing the amplitude modulation and amplitude modulation block, achieve the purpose of adjusting the amplitude. Amplitude modulation device is a sealed cylindrical welded structures. </p><p>　　IV

74、. damping blocks in order to mitigate the effects of vibration on the frame, the vibration between wheel and front frame with rubber vibration blocks. </p><p>　　V. vibration-wheel-drive motor and reducer vib

75、ration-wheel-drive motor, reducer and stand together in front on the frame, gear box output connection on the clubs Board, powered by the motor output shaft to the gear, and then to the plum blossom, plum blossom again t

76、o vibrating wheel, driving vibration wheel rotation. </p><p>　　VI. vibration support both ends of the eccentric shaft, walking through the vibration of the bearing on the bearing in the housing, vibration mo

77、tors by supporting components supported on the right bearing seat. Vibration bearing Sweden SKF bearing or Germany FAG bearing. Walking support assemblies for maintenance-free structure. </p><p>　　The sixth

78、 section Steering system </p><p>　　Steering system steering with articulated steering, mainly from the steering gear pump, hydraulic steering gear, two steering cylinders, pressure tubing and other componen

79、ts. Hydraulic steering system installed on the rear frame, through the Steering cylinder telescopic control of vehicle steering. </p><p>　　The seventh section Braking system </p><p>　　Braking

80、system in order to ensure the safety of roller working and traveling, YZ18C braking systems equipped with braking, parking brake and emergency brake three. </p><p>　　I. driving brake brake with hydraulic bra

81、ke. Hydraulic brake controlled by moving the joystick to achieve. Joystick control of control valves back into position, motor driven pump supplying driving traffic to zero, the rollers stop. </p><p>　　II. p

82、arking brake and emergency brake when the roller is traveling or working, rear axle and front drive reducer valve control normally closed on multiple pieces of brake is on, without braking effect. When the roller is stop

83、ped, several pieces of brake friction locking through a spring force, in a State of braking. Emergency braking is mainly hydraulic servo brake, supported by a mechanical brake. After the emergency brake buttons is presse

84、d, driving pumps swashplate immediately return to zero </p><p>　　Note: in State of emergency shall not be used for emergency braking, especially in the fast-running state.</p><p>　　The eight sec

85、tion Frame</p><p>　　Center of the frame after the frame including the former frame, articulated frame in three parts. Connecting them into a hinged support the upper structure of the machine as a whole. <

86、;/p><p>　　I. in front of the frame by the scraper before box after box before the Assembly, Board, boards, two side panels and other components. Its main functions are supporting vibrating wheel assembly. For t

87、he first frame structure of a typical boxes, combination of high strength steel plate, with sufficient strength and rigidity to resist strong impact force and torque of roller working. Scraper to scrape adhesion under th

88、e soil on the drum. Scraper front-end and vibrating wheel clearance of cylindric</p><p>　　II. after frame after frame fuel tank, protection against roll frame, hydraulic tanks, hydraulic tank supports, panel

89、s, frames and other components. Its main function is to support the engine and the cab, fixed rear axle. After the frame of the structure of a rectangular box, front and Center articulated frame in vertical shaft and att

90、ached to the front plate, followed by the Assembly of the fuel tank, the middle is grooved steel frame. In order to ensure strength, weak parts of strengthening ri</p><p>　　III. Centre pinned by articulated

91、frame Center articulated frame, shaft end bezel, ball bearings and other components. Through it before and after the frame articulated into a whole, can swing around implementation steering and front frame. Through the e

92、xtension of control to the fuel tank to control the steering angle. Machine frame allow horizontal relative swing between before and after, not more than ± 15 ° swing angle, this roller can be stable on uneven

93、pavement and compaction work. In or</p><p>　　The nine section Cab and control systems </p><p>　　Cab and cab full sealing damping control system structure, installing air-conditioning, comforta

94、ble operation reliable, stylish magnificent and mighty generous, Interior elegance and bright, and achieves the domestic advanced level. Driver indoor joysticks, steering wheels, driver seat, placement of monitor instrum

95、ent in full compliance with the principles of ergonomics. Driver seat height can lift, can move back and forth, back angle can also be adjusted. To reduce and even eliminate influence</p><p>　　The tenth sec

96、tion Electrical systems</p><p>　　Electrical systems including batteries, DC motor, three-phase AC generator, lighting and electrical instruments, monitoring and control instruments, safety components, sound

97、 and light alarm installations. Electrical components adopt imported famous international brands. System voltage is 24V, negative ground, lines introduce a single system. Instruments, instrument panels, lamps, and other

98、 configuration achieves the domestic advanced level. </p><p>　　The 11th section Festival safety protection</p><p>　　YZ12-vibration road roller has a comprehensive safety device z equipped with

99、roll protection device (ROPS). </p><p>　　Z articulated fixed security bar: roller unloading ship or when long time reset fixed articulated frame. </p><p>　　Z-start locking device when long time

100、reset fixed articulated frame. </p><p>　　Z-start locking device: when the roller of the joystick is in stall or high and low frequency select switch is not in the 0 position could not start the engine. </

101、p><p>　　Z is equipped with emergency braking device. </p><p>　　Z cover pieces opened automatically protection device: Dang cover pieces in manually hydraulic pump role Xia up opened Shi, security p

102、rotection device can prevent cover pieces accident whereabouts, dang maintenance end to lowered cover pieces Qian, will manually hydraulic pump above of soft axis manipulation device pull, cover pieces can in pump role X

103、ia by oil cylinder will of pull Xia, cover pieces closed Hou will soft axis manipulation device promoting to. (Note: lowered panels must be pullin</p><p>　　The 12th section By the security procedures</p&

104、gt;<p>　　Try not to was still vibrating, implementation is not allowed in the hard ground vibration, on the machine.</p><p>　　Z rollers are not allowed to exceed its allowed on climbing the ramp. <