液压技术论文——液压制动效能不良的原因

klwchina

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">液压技术论文——液压制动效能不良的原因</span><span lang="EN-US"><font face="Times New Roman">
                        </font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">现象：</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">汽车行驶中制动时，制动减速度小，制动距离长。</span><span lang="EN-US"><font face="Times New Roman">
                        </font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　原因：</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　</span><span lang="EN-US"><font face="Times New Roman">1.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">总泵有故障。</span><span lang="EN-US"><font face="Times New Roman">.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">分泵有故障。</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　</span><span lang="EN-US"><font face="Times New Roman">3.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">制动器有故障。</span><span lang="EN-US"><font face="Times New Roman">.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">制动管路中渗入空气。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　诊断：</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">液压制动系统产生制动效能不良的原因，一般可根据制动踏板行程</span><span lang="EN-US"><font face="Times New Roman">(</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">俗称高、低</span><span lang="EN-US"><font face="Times New Roman">)</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">、踏制动踏板时的软硬感觉、踏下制动踏板后的稳定性以及制动时踏板增高度来判断。</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　</span><span lang="EN-US"><font face="Times New Roman">1.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">一般制动时踏板高度太低、制动效能不良。如连续两脚或几脚制动，踏板高度随之增高且制动效能好转，说明制动鼓与磨擦片或总泵活塞与推杆的间隙过大。</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　</span><span lang="EN-US"><font face="Times New Roman">2.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">维持制动时，踏板的高度若缓慢或迅速下降，说明制动管路某处破裂、接头密闭不良或分泵皮碗密封不良，其回位弹簧过软或折断，或总泵皮碗、皮圈密封不良，回油阀及出油阀不良。可首先踏下制动踏板，观察有无制动液渗漏部位。若外部正常，则应检查分泵或总泵故障。</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;</font></span></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　</span><span lang="EN-US"><font face="Times New Roman"> 3.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">连续几脚制动时</span><span lang="EN-US"><font face="Times New Roman">,</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">踏板高度仍过低</span><span lang="EN-US"><font face="Times New Roman">,</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">且在第二脚制动后</span><span lang="EN-US"><font face="Times New Roman">,</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">感到总泵活塞未回位</span><span lang="EN-US"><font face="Times New Roman">,</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">踏下制动踏板即有总泵推杆与活塞碰击响声</span><span lang="EN-US"><font face="Times New Roman">,</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">是总泵皮碗破裂或回位弹簧太软。</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　</span><span lang="EN-US"><font face="Times New Roman">4.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">连续几脚制动时踏板高度稍有增高，并有弹性感，说明制动管路中渗入了空气。</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　</span><span lang="EN-US"><font face="Times New Roman">5.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">连续几脚，踏板均被踏到底，并感到踏板毫无反力，说明总泵储液室内制动液严重亏损。</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　</span><span lang="EN-US"><font face="Times New Roman">6.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">连续几脚制动时，踏板高度低而软，是总进油孔中储液室螺塞通气孔堵塞。</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp; </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">　　</span><span lang="EN-US"><font face="Times New Roman">7.</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">一脚或两脚制动时，踏板高度适当，但太硬制动效能不良。应检查各轮磨擦片与鼓的间隙是否太小。若间隙正常，则检查鼓壁与磨擦片表面状况。如正常，再检查制动蹄弹簧是否过硬，总泵或分泵皮碗是否发胀，活塞与缸壁配合是否松旷。如均正常，则应进而检查制动软管是否老化不畅通。</span><span lang="EN-US"><font face="Times New Roman">
                        </font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;</span><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp; </span>enerpac</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">工具</span><span lang="EN-US"><font face="Times New Roman">(</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">恩派克</span><span lang="EN-US"><font face="Times New Roman">)</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">属于</span><span lang="EN-US"><font face="Times New Roman">Actuant Corporation</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp; </span>Actuant Corporation. </font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">恩派克工具</span><font face="Times New Roman">
                </font><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">成立于</span><span lang="EN-US"><font face="Times New Roman">1910</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">年，于</span><span lang="EN-US"><font face="Times New Roman"> 1987 </font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">年成为美国上市公司，总部设在美国威斯康辛州。</span><font face="Times New Roman">
                </font><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">在全球</span><span lang="EN-US"><font face="Times New Roman">21</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">个国家设立了</span><span lang="EN-US"><font face="Times New Roman">65</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">个分支机构，</span><font face="Times New Roman">
                </font><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">其主要业务分为工业工具和工程应用两大板块。</span><span lang="EN-US"><font face="Times New Roman"> enerpac </font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">的液压缸有上百种不同的类型，不管是何种工业应用</span><span lang="EN-US"><font face="Times New Roman">...</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">提升、推拉、弯曲、支撑</span><span lang="EN-US"><font face="Times New Roman">,</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">不管承载能力、行程、长度、或大小限制，单作用或双作用、实心或中空柱塞，</span><span lang="EN-US"><font face="Times New Roman">enerpac</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">可以向您保证，总有适用于您的高强度应用液压缸。</span><span lang="EN-US"><font face="Times New Roman"> enerpac</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">液压油缸全部符合</span><span lang="EN-US"><font face="Times New Roman">ANSI B30.1</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">标准</span><span lang="EN-US"><font face="Times New Roman">
                        </font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">北京科路贸易有限公司</span><span lang="EN-US"><font face="Times New Roman">(http://www.klwchina.com/)</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">为</span><span lang="EN-US"><font face="Times New Roman">Actuant Corporation</font></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">指定代理商</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">主要产品有：</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;</font></span></span><b><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 黑体;"><span style="mso-spacerun: yes;">&nbsp;</span></span></b><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 黑体;"><span style="mso-spacerun: yes;">&nbsp;</span></span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 黑体;"><span style="mso-spacerun: yes;">&nbsp;</span>液压工具有液压千斤顶<a href="http://www.klwchina.com/cpzs.asp?bkind=1&amp;kindID=1"><span style="COLOR: black;">http://www.klwchina.com/cpzs.asp?bkind=1&amp;kindID=1</span></a>
                        <p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 黑体;"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;</span></span></p>

dahazyy

拉、弯曲、支撑,不管承载能力、行程、长度、或大小限制，单作用或双作用、实心或中空柱塞，enerpac可以向您保证，总有适用于您的高强度应用液压缸。 enerpac液压油缸全部符合ANSI B30.1标准

    北京科路贸易有限公司(http://www.klwchina.com/)为Actuant Corporation指定代理商

kip-1732

好文章，但是写得不够清楚！应加些图表更能说明问题！

hu1122334455

好文章，但是写得不够清楚！应加些图表更能说明问题！