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class="home-main container clearfix"><div id="d3ysg2n" class="twoCol"><div id="yikzvco" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jzjc/">建筑、建材</a>?<a href="http://www.cdcfah.com/cp/second-jzjc_gcjjzj/">工程機械、建筑機械</a>?<a href="http://www.cdcfah.com/cp/third-gcjjzj_wajuejixie/">挖掘機械</a>?六盤水小挖掘機租賃推薦貴州裕鑫工程機械供應(yīng)</p><div id="la2q8lb" class="leftbox clearfix"><h1>六盤水小挖掘機租賃推薦貴州裕鑫工程機械供應(yīng)</h1><div id="mg3h9wt" class="proBig"><div id="xrt8xzg" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593665361328/1936687.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="x33yxjl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593665361328/1936687.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uegkcoq" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>貴州省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>六盤水小挖掘機租賃推薦</p><p><span>***更新：</span>2020-06-17 23:24:43</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pegnuw7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">貴州裕鑫工程機械有限公司</a></p><p><span>聯(lián)系人：</span>余濤</p><p><span>郵箱: </span>3623794418@qq.com</p><p><span>電話: </span>15692715256</p><p><span>傳真: </span>0851_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0851-85167915</p><p><span>地址: </span>貴州省貴安新區(qū)大學(xué)城（黨武鎮(zhèn)）貴安數(shù)字經(jīng)濟產(chǎn)業(yè)園7號樓409</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="lf3qfwt" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="pegnpbn" class="box"><p><p> 挖掘機故障排除：泵柱塞與缸體“咬死”。一臺HE-280型挖掘機，大修并更換液壓泵的缸體和柱塞后，液壓泵不工作并伴有異響。拆檢發(fā)現(xiàn)，柱塞與缸體黏在一起，六盤水小挖掘機租賃推薦，呈“咬死”狀態(tài)。對缸體和柱塞進行金相分析后，確認(rèn)是殘余奧氏體轉(zhuǎn)變成馬氏體，溫度越低，轉(zhuǎn)變量越大。在寒冷季節(jié)，殘余轉(zhuǎn)變在很短的時間內(nèi)即完成，致使柱塞因其體積瞬間增大而出現(xiàn)“咬死”現(xiàn)象。為此，可用**量具測量出液壓泵缸體和柱塞在室溫下的配合間隙；將缸體和柱塞分別進行冷處理，即放在-50～-60℃的地方，30min后取出；用磨床對柱塞進行磨削加工至室溫時的配合尺寸；對柱塞表面進行激光淬火；用金屬**拋光膏對柱塞表面再進行拋光處理，裝復(fù)后故障排除。貴州裕鑫工程機械有限公司是具有完善的施工隊及專業(yè)的維修隊伍，六盤水小挖掘機租賃推薦。主營：挖掘機的整機租賃、土石方工程，等業(yè)務(wù)。常年對外出租，價格公道，誠實守信，合作共贏；租用方式靈活、包月、計時、按臺班均可，六盤水小挖掘機租賃推薦。承接：大小土石方工程，歡迎咨詢洽談。<span style="display:none;"></span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="六盤水小挖掘機租賃推薦" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593665361328/1936687.jpg"></div><p> 挖掘機維修不能做的事。螺栓擰得太緊。工程機械在拆裝過程中，很多部位的螺栓都是有標(biāo)準(zhǔn)轉(zhuǎn)矩要求的，比如傳動箱、汽缸蓋、輪轂、連桿和前橋等部位，擰緊力矩在說明書中都有專門規(guī)定，切不可隨意改變。但是很多使用人員都誤認(rèn)為緊一些會較好，但是擰得太緊會造成螺釘或螺栓折斷，也可能由于螺紋滑扣而引起故障。貴州裕鑫工程機械有限公司是具有完善的施工隊及專業(yè)的維修隊伍。主營：挖掘機的整機租賃、土石方工程，等業(yè)務(wù)。常年對外出租，價格公道，誠實守信，合作共贏；租用方式靈活、包月、計時、按臺班均可。承接：大小土石方工程，歡迎咨詢洽談。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="六盤水小挖掘機租賃推薦" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593665917968/1676529.jpg"></div><p> 隨著科技的進步，現(xiàn)代挖掘機一般都采用了機—電—液一體化控制模式，我們在排除一些故障時，解決的多是發(fā)動機—液壓泵—分配閥—外部負(fù)荷的匹配問題。一般在挖掘機作業(yè)中，這幾方面不能匹配，經(jīng)常會表現(xiàn)為：發(fā)動機轉(zhuǎn)速下降，工作速度變慢，挖掘無力等。挖掘機無力：整機無力分幾個方面，一是外部負(fù)荷大時發(fā)動機急劇降速，這就表現(xiàn)在以下兩個方面：(1)要按前述所說的先檢查發(fā)動機動力。(2)是檢查液壓排量是否遵循恒功率輸出。即在不影響速度的前提下，調(diào)整斜盤角度減小排量。二是部在負(fù)荷大時發(fā)動機不降速，并且系統(tǒng)速度正常;這就要調(diào)試系統(tǒng)壓力了，由于各廠家使用的液壓元件與液壓系統(tǒng)不同所規(guī)定的各液壓缸壓力也不同，只要按制造廠商規(guī)定標(biāo)準(zhǔn)調(diào)試就可以了。另外如果在調(diào)整溢流閥壓力調(diào)不上來時，并檢查溢流閥處于完好狀態(tài)時，這就要檢查液壓泵的調(diào)節(jié)系統(tǒng)，乃至液壓泵的缸體，配流盤，柱塞等零部件了。貴州裕鑫工程機械有限公司是具有完善的施工隊及專業(yè)的維修隊伍。主營：挖掘機的整機租賃、土石方工程，等業(yè)務(wù)。常年對外出租，價格公道，誠實守信，合作共贏；租用方式靈活、包月、計時、按臺班均可。承接：大小土石方工程，歡迎咨詢洽談。 </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/294934.html</p></div></div></div></div></div><div id="8i77p7o" class="page-right twoColRt"><div id="53jgyp7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="srtacjl" class="recomPic likePro"><a 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