液(Ye)压(Ya)油(You)泵(Beng)设(She)备(Bei)故(Gu)障(Zhang)诊(Zhen)断(Duan),(?)一(Yi)般(Ban)分(Fen)为(Wei)简(Jian)易(Yi)诊(Zhen)断(Duan)和(He)精(Jing)密(Mi)诊(Zhen)断(Duan)。(?) 本(Ben)文(Wen)中(Zhong)澳(Ao)托(Tuo)士(Shi)液(Ye)压(Ya)油(You)泵(Beng)维(Wei)修(Xiu)工(Gong)程(Cheng)师(Shi)为(Wei)您(Nin)详(Xiang)细(Xi)讲(Jiang)解(Jie)液(Ye)压(Ya)泵(Beng)维(Wei)修(Xiu)的(De)简(Jian)单(Dan)诊(Zhen)断(Duan)方(Fang)法(Fa),(?)可(Ke)检(Jian)查(Cha)机(Ji)器(Qi)是(Shi)否(Fou)有(You)液(Ye)压(Ya)故(Gu)障(Zhang),(?)又(You)称(Cheng)主(Zhu)观(Guan)诊(Zhen)断(Duan)法(Fa)。(?)它(Ta)是(Shi)靠(Kao)维(Wei)修(Xiu)人(Ren)员(Yuan)利(Li)用(Yong)简(Jian)单(Dan)的(De)诊(Zhen)断(Duan)仪(Yi) 器(Qi)和(He)凭(Ping)个(Ge)人(Ren)的(De)实(Shi)际(Ji)经(Jing)验(Yan)对(Dui)液(Ye)压(Ya)油(You)泵(Beng)出(Chu)现(Xian)的(De)故(Gu)障(Zhang)进(Jin)行(Xing)诊(Zhen)断(Duan),(?)判(Pan)别(Bie)产(Chan)生(Sheng)故(Gu)障(Zhang) 的(De)原(Yuan)因(Yin)和(He)部(Bu)位(Wei),(?)这(Zhe)是(Shi)普(Pu)通(Tong)采(Cai)用(Yong)的(De)方(Fang)法(Fa)。(?)主(Zhu)观(Guan)诊(Zhen)断(Duan)法(Fa)具(Ju)体(Ti)方(Fang)法(Fa)如(Ru)下(Xia):(?)
一(Yi)、(?)看(Kan):(?)看(Kan)液(Ye)压(Ya)油(You)泵(Beng)工(Gong)作(Zuo)的(De)真(Zhen)实(Shi)现(Xian)象(Xiang)。(?)一(Yi)般(Ban)有(You)六(Liu)看(Kan):(?)
((?)1)(?)看(Kan)速(Su)度(Du)。(?)看(Kan)执(Zhi)行(Xing)机(Ji)构(Gou)运(Yun)动(Dong)速(Su)度(Du)有(You)无(Wu)变(Bian)化(Hua)和(He)异(Yi)常(Chang)现(Xian)象(Xiang)。(?)
((?)2)(?)看(Kan)压(Ya)力(Li)。(?)看(Kan)液(Ye)压(Ya)油(You)泵(Beng)中(Zhong)各(Ge)测(Ce)压(Ya)点(Dian)的(De)压(Ya)力(Li)值(Zhi)大(Da)小(Xiao),(?)压(Ya)力(Li)值(Zhi)有(You)无(Wu)波(Bo)动(Dong)等(Deng)现(Xian)象(Xiang)。(?)
((?)3)(?)看(Kan)油(You)液(Ye)。(?)观(Guan)察(Cha)油(You)液(Ye)是(Shi)否(Fou)清(Qing)沽(Gu),(?)有(You)否(Fou)变(Bian)质(Zhi);(?)油(You)量(Liang)是(Shi)否(Fou)满(Man)足(Zu)要(Yao)求(Qiu);(?)油(You)的(De)粘(Zhan)度(Du)是(Shi)否(Fou)符(Fu)合(He)要(Yao)求(Qiu);(?)油(You)的(De)表(Biao)面(Mian)是(Shi)否(Fou)有(You)包(Bao)沫(Mo)等(Deng)等(Deng).(?)
((?)4)(?)看(Kan)泄(Xie)漏(Lou)。(?)看(Kan)液(Ye)压(Ya)管(Guan)道(Dao)各(Ge)接(Jie)头(Tou)处(Chu)、(?)阀(Fa)板(Ban)结(Jie)合(He)处(Chu),(?)液(Ye)压(Ya)缸(Gang)端(Duan)盖(Gai)处(Chu)、(?)液(Ye)压(Ya)泵(Beng)轴(Zhou)伸(Shen)出(Chu)处(Chu)是(Shi)否(Fou)有(You)渗(Shen)漏(Lou)滴(Di)漏(Lou)和(He)出(Chu)现(Xian)油(You)垢(Gou)现(Xian)象(Xiang)。(?)
((?)5)(?)看(Kan)振(Zhen)动(Dong)。(?)看(Kan)液(Ye)压(Ya)缸(Gang)活(Huo)塞(Sai)杆(Gan)或(Huo)工(Gong)作(Zuo)台(Tai)等(Deng)运(Yun)动(Dong)部(Bu)件(Jian)工(Gong)作(Zuo)时(Shi)有(You)无(Wu)跳(Tiao)动(Dong)等(Deng)现(Xian)象(Xiang)。(?)
((?)6)(?)看(Kan)产(Chan)品(Pin)。(?)根(Gen)据(Ju)加(Jia)工(Gong)出(Chu)来(Lai)的(De)产(Chan)品(Pin)质(Zhi)量(Liang),(?)判(Pan)断(Duan)运(Yun)动(Dong)机(Ji)构(Gou)的(De)工(Gong)作(Zuo)状(Zhuang)态(Tai)、(?)液(Ye)压(Ya)油(You)泵(Beng)工(Gong)作(Zuo)压(Ya)力(Li)和(He)流(Liu)量(Liang)的(De)稳(Wen)定(Ding)性(Xing)。(?)
二(?)、(?)听(Ting):(?)用(Yong)听(Ting)觉(Jue)来(Lai)判(Pan)别(Bie)液(Ye)压(Ya)油(You)泵(Beng)工(Gong)作(Zuo)是(Shi)否(Fou)正(Zheng)常(Chang)等(Deng)。(?) 一(Yi)般(Ban)有(You)四(Si)听(Ting):(?)
((?)1)(?)液(Ye)压(Ya)维(Wei)修(Xiu)听(Ting)噪(Zao)声(Sheng).(?)听(Ting)听(Ting)液(Ye)压(Ya)油(You)泵(Beng)工(Gong)作(Zuo)时(Shi)的(De)噪(Zao)声(Sheng)是(Shi)否(Fou) 过(Guo)大(Da);(?)溢(Yi)流(Liu)阀(Fa)等(Deng)元(Yuan)件(Jian)是(Shi)否(Fou)有(You)尖(Jian)叫(Jiao)声(Sheng)。(?)
((?)2)(?)听(Ting)冲(Chong)击(Ji)声(Sheng)。(?)液(Ye)压(Ya)维(Wei)修(Xiu)指(Zhi)工(Gong)作(Zuo)台(Tai)液(Ye)压(Ya)缸(Gang)换(Huan)向(Xiang)时(Shi)冲(Chong)击(Ji)声(Sheng)是(Shi)否(Fou)过(Guo)大(Da);(?) 液(Ye)压(Ya)缸(Gang)活(Huo)塞(Sai)是(Shi)否(Fou)有(You)撞(Zhuang)击(Ji)缸(Gang)底(Di)的(De)声(Sheng)音(Yin);(?)换(Huan)向(Xiang)阀(Fa)换(Huan)向(Xiang)时(Shi)是(Shi)否(Fou)有(You)撞(Zhuang)击(Ji)端(Duan)盖(Gai)的(De)声(Sheng)音(Yin)。(?)
((?)3)(?)听(Ting)泄(Xie)漏(Lou)声(Sheng)。(?)即(Ji)听(Ting)油(You)路(Lu)板(Ban)内(Nei)部(Bu)是(Shi)否(Fou)有(You)微(Wei)细(Xi)而(?)连(Lian)续(Xu)不(Bu)断(Duan) 的(De)声(Sheng)音(Yin)。(?)
((?)4)(?)听(Ting)敲(Qiao)打(Da)声(Sheng)。(?)听(Ting)液(Ye)压(Ya)泵(Beng)运(Yun)转(Zhuan)时(Shi)是(Shi)否(Fou)有(You)敲(Qiao)打(Da)声(Sheng)。(?)
三(San)、(?)摸(Mo):(?)用(Yong)手(Shou)摸(Mo)正(Zheng)在(Zai)运(Yun)动(Dong)的(De)部(Bu)件(Jian)表(Biao)面(Mian)。(?)一(Yi)般(Ban)有(You)四(Si)摸(Mo):(?)
((?)1)(?)摸(Mo)温(Wen)升(Sheng)。(?)用(Yong)手(Shou)摸(Mo)液(Ye)压(Ya)泵(Beng)泵(Beng)体(Ti)外(Wai)壳(Ke)、(?)油(You)箱(Xiang)外(Wai)壁(Bi) 和(He)阀(Fa)体(Ti)外(Wai)壳(Ke)表(Biao)面(Mian),(?)若(Ruo)接(Jie)触(Chu)两(Liang)秒(Miao)钟(Zhong)感(Gan)到(Dao)烫(Tang)手(Shou),(?)就(Jiu) 应(Ying)检(Jian)查(Cha)原(Yuan)因(Yin)。(?)
((?)2)(?)摸(Mo)振(Zhen)动(Dong)。(?)用(Yong)手(Shou)摸(Mo)运(Yun)动(Dong)部(Bu)件(Jian)和(He)管(Guan)子(Zi),(?)可(Ke)以(Yi)感(Gan)觉(Jue) 到(Dao)有(You)无(Wu)振(Zhen)动(Dong),(?)若(Ruo)有(You)高(Gao)频(Pin)振(Zhen)动(Dong),(?)就(Jiu)应(Ying)检(Jian)查(Cha)产(Chan)生(Sheng)原(Yuan) 因(Yin)。(?)
((?)3)(?)摸(Mo)“(?)爬(Pa)行(Xing)”(?)。(?)当(Dang)工(Gong)作(Zuo)台(Tai)在(Zai)低(Di)速(Su)运(Yun)动(Dong)时(Shi),(?)用(Yong)手(Shou) 摸(Mo)工(Gong)作(Zuo)台(Tai),(?)检(Jian)验(Yan)有(You)无(Wu)“(?)爬(Pa)行(Xing)”(?)现(Xian)象(Xiang).(?)
((?)4)(?)摸(Mo)松(Song)紧(Jin)程(Cheng)度(Du)。(?)用(Yong)手(Shou)拧(Ning)一(Yi)下(Xia)挡(Dang)铁(Tie)、(?)微(Wei)动(Dong)开(Kai)关(Guan)、(?) 紧(Jin)固(Gu)螺(Luo)钉(Ding)等(Deng),(?)检(Jian)验(Yan)螺(Luo)钉(Ding)松(Song)紧(Jin)程(Cheng)度(Du)。(?)
四(Si)、(?)问(Wen):(?)询(Xun)问(Wen)设(She)备(Bei)操(Cao)作(Zuo)者(Zhe)。(?)了(Liao)解(Jie)液(Ye)压(Ya)维(Wei)修(Xiu)设(She)备(Bei)平(Ping)时(Shi)运(Yun)行(Xing)状(Zhuang)况(Kuang)。(?)一(Yi) 般(Ban)有(You)六(Liu)问(Wen):(?)
((?)1)(?)问(Wen)液(Ye)压(Ya)油(You)泵(Beng)工(Gong)作(Zuo)是(Shi)否(Fou)正(Zheng)常(Chang),(?)液(Ye)压(Ya)泵(Beng)有(You)无(Wu)异(Yi)常(Chang)现(Xian)象(Xiang)。(?)
((?)2)(?)问(Wen)液(Ye)压(Ya)油(You)什(Shi)么(Me)时(Shi)候(Hou)更(Geng)换(Huan)过(Guo),(?)滤(Lu)网(Wang)是(Shi)否(Fou)清(Qing)洗(Xi)或(Huo)更(Geng)换(Huan)过(Guo)。(?)
((?)3)(?)问(Wen)发(Fa)生(Sheng)事(Shi)故(Gu)前(Qian)调(Diao)压(Ya)阀(Fa)或(Huo)调(Diao)速(Su)阀(Fa)是(Shi)否(Fou)调(Diao)节(Jie)过(Guo),(?)有(You)哪(Na)些(Xie)不(Bu)正(Zheng)常(Chang)现(Xian)象(Xiang)。(?)
((?)4)(?)问(Wen)发(Fa)生(Sheng)事(Shi)故(Gu)前(Qian)对(Dui)密(Mi)封(Feng)件(Jian)或(Huo)液(Ye)压(Ya)件(Jian)是(Shi)否(Fou)更(Geng)换(Huan)过(Guo)。(?)
((?)5)(?)问(Wen)发(Fa)生(Sheng)事(Shi)故(Gu)前(Qian)后(Hou)液(Ye)压(Ya)油(You)泵(Beng)工(Gong)作(Zuo)出(Chu)现(Xian)过(Guo)哪(Na)些(Xie)不(Bu)正(Zheng)常(Chang)现(Xian)象(Xiang)。(?)
((?)6)(?)问(Wen)过(Guo)去(Qu)常(Chang)出(Chu)现(Xian)哪(Na)类(Lei)故(Gu)障(Zhang),(?)是(Shi)怎(Zen)样(Yang)排(Pai)除(Chu)的(De),(?)哪(Na)位(Wei)修(Xiu)理(Li)者(Zhe)对(Dui)液(Ye)压(Ya)油(You)泵(Beng)故(Gu)障(Zhang)的(De)原(Yuan)因(Yin)与(Yu)排(Pai)除(Chu)方(Fang)法(Fa)比(Bi)较(Jiao)清(Qing)楚(Chu)。(?)
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