牛牛游戏厅安卓,{原始关键词}

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                    2. 当前位置: 代写一篇论文多少钱 > 工程师论文 > 某纯电动客车行车制动后轮抱死问题与对策

                      某纯电动客车行车制动后轮抱死问题与对策

                      时间:2020-04-23 13:32作者:杜微微 赵昌锋
                      本文导读:这是一篇关于某纯电动客车行车制动后轮抱死问题与对策的文章,为掌握行车制动管路气压与驻车制动管路气压的关系,做以下试验:多次深踩制动踏板,令行车制动管路内压力下降到电动空气压缩机的启动压力以下,此时电动空气压缩机启动为车辆打气。

                        摘    要: 针对客车在行车过程中发生后轮抱死的问题,对某纯电动客车的制动系统进行检测,经过分析与试验找到问题发生的主要原因。通过改进制动管路原理,解决后轮抱死的问题。

                        关键词:牛牛游戏厅安卓,{原始关键词} 纯电动客车; 后轮抱死; 驻车制动;

                        Abstract:牛牛游戏厅安卓,{原始关键词} In view of the problem of rear wheel locking in the process of bus running,the brake system of a pure electric bus is tested,and the main reasons of causing the problem is found through analysis and test.By improving the principle of the brake pipelines,the problem of rear wheel locking is solved.

                        Keyword: electric bus; rear wheel locking; parking brake;

                      牛牛游戏厅安卓,{原始关键词}   ZHIDONGXITONGSHICHELIANGANQUANDEZHONGYAOBAOZHANG[1,2]。XIANJIEDUAN,CHUNDIANDONGKECHEDADUOYANYONGCHUANTONGDEZHIDONGXITONGXINGSHI[3,4]。SUIZHIERLAICHANSHENGLEXINDEWENTI。BENWENZHENDUIMOUCHUNDIANDONGKECHEZAIXINGCHEZHIDONGSHIFASHENGHOULUNBAOSIDEWENTIJINXINGFENXI,BINGTICHUJIEJUEFANGAN。

                        1 、故障现象及原因分析

                      牛牛游戏厅安卓,{原始关键词}   ZAIXINGNENGSHIYANGUOCHENGZHONGOURANFASHENGHOULUNMAOYAN。LILUNFENXIDAOZHIWENTIDEYUANYINKENENGYOU:(1)ZHUCHEZHIDONGGUANLULOUQI;(2)MENBENGZHIDONGGUANLULOUQI;(3)SIHUILUBAOHUFAGUZHANG;(4)ZHIDONGYUANLIQUEXIAN;(5)DIANDONGKONGQIYASUOJIKAIQIYALIGUODI。

                      牛牛游戏厅安卓,{原始关键词}   ZHENDUIKENENGDAOZHIWENTIDEYUANYINJINXINGZHUYIPAICHA:(1)DUIZHUCHEZHIDONGGUANLUJINXINGBAOYASHIYAN,GUANLUZHENGCHANGBULOUQI;(2)DUIMENBENGZHIDONGGUANLUJINXINGBAOYASHIYAN,CUNZAILOUQIDIAN,DANLOUQILIANGBUDA;(3)GENGHUANSIHUILUBAOHUFA,GUZHANGXIANXIANGRENGRANCUNZAI。

                        WEILENONGQINGSHIHOUMIANNAZHONGYUANYIN,SHOUXIANDUIDIANDONGKONGYAJIDEQITINGYUANLIJINXINGSHUOMING:

                        CHELIANGYUNXINGGUOCHENGZHONG,DANGJIANCEDAOXINGCHEZHUQITONGZHONGDEQIYA≤0.6 MPaSHI,QIDONGDIANDONGKONGQIYASUOJIWEICHELIANGDAQI。ZHUQITONGNEIDEQIYABUDUANSHENGGAO,DANGZHIDONGGUANLUNEIDEQIYADADAOGANZAOQIDEXIEHEYALISHI,GANZAOQIXIEHE。DANGGANZAOQIXIEHESHI,GANZAOQICHUANGANQIHUIFACHUDIANXINHAOCHUANDIJIZHENGCHEKONGZHIQI,ZHENGCHEKONGZHIQIKONGZHIDIANDONGKONGQIYASUOJITINGJI。

                        为掌握行车制动管路气压与驻车制动管路气压的关系,做以下试验:多次深踩制动踏板,令行车制动管路内压力下降到电动空气压缩机的启动压力以下,此时电动空气压缩机启动为车辆打气。当电动空气压缩机停止打气后,缓慢浅踩制动踏板,令行车制动管路的压力缓慢下降,同时监测驻车制动管路的气压。经测量,行车制动管路内气压为0.7~1 MPa时,驻车制动管路内压力随行车制动管路气压的下降而下降;行车制动管路内气压小于0.7 MPa时,驻车制动管路内的气压不再下降,维持在0.7 MPa。此现象符合四回路保护的限压保护功能,即当制动管路内的气压下降到四回路保护阀的驻车制动管路的限压止回阀关闭值(0.7 MPa)时,限压止回阀关闭,驻车制动管路与行车制动管路相互独立。
                       

                      某纯电动客车行车制动后轮抱死问题与对策
                       

                      牛牛游戏厅安卓,{原始关键词}   DANGXINGCHEZHIDONGGUANLUQIYAZAI0.7 MPaYIXIASHI,YOUYUQILUXIANGHUDULI,XINGCHEZHIDONGBUHUIXIAOHAOZHUCHEZHIDONGGUANLUNEIDEKONGQI,ERSHIYANZHONGFASHENGXINGCHEZHIDONGSHIHOULUNBAOSIDEGUZHANGBIAOMING,CISHIZHUCHEZHIDONGGUANLUSHIJISHANGSHILOUQIDE,XUYAOZHAODAOLOUQIDEYUANYIN。GUZUOYIXIASHIYAN:DANGZHIDONGGUANLUNEICHUSHIQIYAWEI1MPaSHI,ZHIXINGDUOCIKAIQICHEMENCAOZUO。CHUSHIJIEDUANXINGCHEZHIDONGGUANLUQIYA、ZHUCHEZHIDONGGUANLUQIYAHEMENBENGGUANLUQIYATONGSHIXIAJIANG,DANGQIYAXIAJIANGDAO0.62 MPaSHI,XINGCHEZHIDONGGUANLUQIYABUZAIXIAJIANG,ZHUCHEZHIDONGGUANLUQIYAHEMENBENGGUANLUQIYARENGZAIXIAJIANG;DANGZHUCHEZHIDONGGUANLUQIYAXIAJIANGDAO0.43 MPaSHI,ZHUCHEZHIDONGGUANLUQIYABUZAIXIAJIANG,MENBENGGUANLUQIYAJIXUXIAJIANG,ZHIZHIGUANLUNEIQIYAWEI0。CIXIANXIANGFUHESIHUILUBAOHUFADEXIANYABAOHUGONGNENG,JIDANGZHIDONGGUANLUNEIDEQIYAXIAJIANGDAOSIHUILUBAOHUFADEGEXIANYAZHIHUIFAGUANBIZHISHI(XINGCHEZHIDONGDEFAZHIWEI0.62 MPa,ZHUCHEYUMENBENGZHIDONGGUANLUDEFAZHIWEI0.43MPa),XIANYAZHIHUIFAGUANBI。

                      牛牛游戏厅安卓,{原始关键词}   BENWENHOUQIAOQISHIZHIDONGJIECHUYALIWEI0.52 MPa,DANGZHUCHEZHIDONGGUANLUQIYADIYU0.52 MPaSHI,HOUQIAOJIFASHENGBAOSIXIANXIANG。ERDIANDONGKONGQIYASUOJIDEKAIQIYALIWEIXINGCHEZHIDONGYALI,XIAOYUDENGYU0.6 MPa,KAIQIYALIKEYIMANZUZHUCHEZHIDONGYAOQIU。TONGGUOYISHANGJIANCEJIEGUOKEYIKANCHU,DANGQIYAZAI0.43MPaYISHANGSHI,ZHUCHEZHIDONGGUANLUQIYAHUISUIZHEMENBENGGUANLUQIYAXIAJIANGERXIAJIANG。SUOYI“(4)ZHIDONGYUANLIQUEXIAN”SHIBENCHEGUZHANGDEGENBENYUANYIN。

                        2 、改进措施

                      牛牛游戏厅安卓,{原始关键词}   ZAICHELIANGXINGSHIGUOCHENGZHONG,CHUANTONGCHEDEKONGQIYASUOJIYIZHICHUYUGONGZUOZHUANGTAI,BAOZHENGLEZHIDONGGUANLUNEIDEGAOQIYA[5,6],SUOYICHUANTONGCHEBUHUICHUXIANYINXINGCHEZHIDONGXITONGDEQIYADIERFASHENGZHIDONGBAOSIDEWENTI。ERDIANDONGCHEWEIJIANGDINENGHAOHEYANZHANGDIANDONGKONGQIYASUOJIDESHIYONGSHOUMING,DUIDIANDONGKONGQIYASUOJIDEQITINGJINXINGLEKONGZHI[7,8]。BENCHEZHIYOUDANGXINGCHEZHIDONGGUANLUNEIDEQIYADIYU0.6 MPaSHIDIANDONGKONGQIYASUOJICAIKAISHIDAQI。

                      牛牛游戏厅安卓,{原始关键词}   WEIBAOZHENGZHUCHEZHIDONGGUANLUQIYAGAOYUHOUQIAOQISHIZHIDONGJIECHUYALI,GAIJINFANGANRUXIA。

                      牛牛游戏厅安卓,{原始关键词}   FANGAN1:TIGAOKONGQIYASUOJIKAIQIYALI,YOUYUANLAIDE0.6MPaTIGAODAO0.65 MPa。CIFANGSHIKEYISHIXINGCHEZHIDONGGUANLUNEIDEQIYASHIZHONGGAOYUSIHUILUFAKAIQIYALI0.62 MPa,SHIDEXINGCHEZHIDONGGUANLUYUZHUCHEZHIDONGGUANLUSHIZHONGLIANTONG,CONGERBAOZHENGLEZHUCHEZHIDONGGUANLUDEQIYA≥0.65 MPa。CIFANGANYOUDIANSHI:ZHIXUYAOGENGGAIBIAODINGSHUJU,JIANDANYIXING。QUEDIANSHI:TISHENGKONGQIYASUOJIQIDONGQIYAHOU,ZHENGCHENENGHAOHUISHANGSHENG,KONGQIYASUOJIDEQITINGPINCIZENGJIA,DUIQISHIYONGSHOUMINGYOUYIDINGYINGXIANG。

                        FANGAN2:ZAIYUANZHUCHEZHIDONGGUANLUSHANGJIAZHUANGQIYACHUANGANQI,DANGZHUCHEZHIDONGGUANLUQIYADIYU0.55 MPaSHI,QIDONGKONGQIYASUOJIDAQI,RUTU1ZHONGFANGAN2SUOSHI。CIFANGANYOUDIANSHI:FANGFAJIANDAN,ZAIBAOZHENGZHUCHEZHIDONGGUANLUNEIQIYAFANGMIANGENGJIAZHIJIE、KEKAO。QUEDIANSHI:ZENGJIACHUANGANQI,CHENGBENZENGJIA。ZHUCHEGUANLUYUMENBENGGUANLUZAI0.43 MPaQIYAYISHANGLIANTONG,YINQIKONGQIYASUOJIQITINGPINCIJIAOYUANFANGANSHAOYOUZENGJIA,DANJIAOFANGAN1PINCISHAO。

                        图1 空压机控制原理
                      图1 空压机控制原理

                      牛牛游戏厅安卓,{原始关键词}   FANGAN3:ZAIZHUCHEZHIDONGGUANLUZHONGZENGJIADANXIANGFA(KAIQIYALIWEI0.1~0.2 MPa),FANGZHIZHUCHEZHIDONGGUANLUNEIQIYAYINMENBENGGUANLUQIYADEJIANGDIERJIANGDI,RUTU1ZHONGFANGAN3SUOSHI。CIFANGANYOUDIANSHI:FANGFAJIANDAN。QUEDIANSHI:XINZENGDANXIANGFA,CHENGBENZENGJIA。

                        DUI3GEFANGANFENBIEJINXINGSHIYAN,JUNWEIFASHENGHOULUNBAOSIWENTI。QIZHONGFANGAN1NENGLIANGXIAOHAOLVZUIGAO,FANGAN3NENGLIANGXIAOHAOLVZUIDI。ZONGHENENGHAO、CHENGBEN、GAIZHUANGNANYICHENGDUDENGYINSU,ZUIZHONGXUANYONGFANGAN3。

                        3、 结束语

                        TONGGUOZHUYIFENXIHOULUNBAOSIGUZHANGXIANXIANGCHANSHENGDEYINSU,BINGJINXINGSHIYANYANZHENG,ZUIZHONGZHAODAOCHANSHENGWENTIDEGUANJIANYINSU[9,10]。TONGGUOGAIJINSHEJI,WENTIDEDAOJIEJUE,WEIHOUXUZHIDONGXITONGSHEJITIGONGCANKAO。

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                      牛牛游戏厅安卓,{原始关键词}   [10] 曹薇华.汽车制动防抱死系统故障诊断技术研究[D].哈尔滨:哈尔滨工业大学,2010.

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