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#0 dbbase_sql->halt(Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=392) and uptime>(select uptime from pwn_News_con where id=392) order by uptime asc limit 1) called at [/www/wwwroot/nbkm/includes/db.inc.php:65] #1 dbbase_sql->query(select id,title from {P}_News_con where catid=(select catid from {P}_News_con where id=392) and uptime>(select uptime from {P}_News_con where id=392) order by uptime asc limit 1) called at [/www/wwwroot/nbkm/news/module/NewsPage.php:33] #2 NewsPage() called at [/www/wwwroot/nbkm/includes/common.inc.php:526] #3 PrintPage() called at [/www/wwwroot/nbkm/news/html/index.php:15] Database error: Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=392) and uptime<(select uptime from pwn_News_con where id=392) order by uptime desc limit 1
MySQL Error: 1146 (Table 'nbkm.pwn_News_con' doesn't exist)
#0 dbbase_sql->halt(Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=392) and uptime<(select uptime from pwn_News_con where id=392) order by uptime desc limit 1) called at [/www/wwwroot/nbkm/includes/db.inc.php:65] #1 dbbase_sql->query(select id,title from {P}_News_con where catid=(select catid from {P}_News_con where id=392) and uptime<(select uptime from {P}_News_con where id=392) order by uptime desc limit 1) called at [/www/wwwroot/nbkm/news/module/NewsPage.php:46] #2 NewsPage() called at [/www/wwwroot/nbkm/includes/common.inc.php:526] #3 PrintPage() called at [/www/wwwroot/nbkm/news/html/index.php:15] 浙江汽车制动泵活塞介绍刹车泵和离合泵工作原理及作用-AG | 首页
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浙江汽车制动泵活塞介绍刹车泵和离合泵工作原理及作用
作者:管理员    发布于:2014-12-08 10:46:53    文字:【】【】【
摘要:浙江汽车制动泵活塞介绍刹车泵和离合泵工作原理及作用

浙江汽车制动泵活塞介绍刹车泵和离合泵工作原理及作用
 
    油刹车是由刹车总泵和制动液储罐构成的。一头连着刹车踏板,一头连着制动液管。 刹车总泵内储有制动液,并有出油口和进油口。当踩刹车时,出油口翻开,进油口封闭。在泵体活塞的压力下,制动液被挤出油管向各刹车分泵流去作制动功用。当松开刹车板时。刹车总泵里的出油口会封闭,进油口翻开,使制动液从各刹车分泵回流到刹车总泵内,回到初始状况,当踩下刹车后总泵发生推力将液压油压倒分泵,分泵内部的活塞遭到液压力开始移动将刹车片推进。

聚散泵中聚散器的作用
    当前在汽车上广泛选用的是用绷簧压紧的冲突聚散器(简称为冲突聚散器)。聚散泵中聚散器的作用
  (1)确保能传递发动机宣布的较大转矩,而且还有必定的传递转矩余力。
  (2)能作到别离时,完全别离,接合时柔软,并具有杰出的散热才能。
  (3)从动有些的滚动惯量尽量小一些。
  这样,在别离聚散器换档时,与变速器输入轴相连有些的转速就对比简单变化,然后减轻齿轮间冲击。
  (4)具有平缓滚动方向冲击,衰减该方向振荡的才能,且噪音小。

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