橋式起重機發生衝頂現象的大致原因可分為一下幾點:
1、限xian位wei器qi,橋qiao式shi起qi重zhong機ji的de限xian位wei器qi是shi吊diao鉤gou在zai上shang升sheng和he下xia降jiang過guo程cheng中zhong,負fu責ze控kong製zhi橋qiao式shi起qi重zhong機ji吊diao鉤gou運yun作zuo的de主zhu要yao配pei件jian,如ru果guo我wo們men在zai平ping時shi的de工gong作zuo過guo程cheng中zhong,對dui限xian位wei器qi的de檢jian查zha不bu夠gou仔zai細xi,那na麼me其qi接jie頭tou很hen有you可ke能neng發fa生sheng粘zhan連lian,而er一yi旦dan限xian位wei器qi的de接jie頭tou粘zhan連lian了le,那na限xian位wei器qi就jiu相xiang當dang於yu失shi效xiao了le,導dao致zhi主zhu鉤gou在zai上shang升sheng的de過guo程cheng中zhong,繼ji續xu上shang升sheng,使shi得de鋼gang絲si繩sheng經jing不bu起qi壓ya力li的de衝chong撞zhuang,直zhi接jie斷duan裂lie,吊diao鉤gou毀hui壞huai,使shi貨huo物wu發fa生sheng墜zhui落luo,造zao成cheng不bu必bi要yao的de生sheng命ming安an全quan問wen題ti。
2、工gong作zuo過guo程cheng中zhong,我wo們men不bu排pai除chu工gong作zuo人ren員yuan存cun在zai疏shu忽hu的de方fang麵mian,因yin為wei橋qiao式shi起qi重zhong機ji的de吊diao鉤gou運yun行xing是shi靠kao控kong製zhi器qi手shou柄bing的de拉la動dong來lai牽qian引yin的de,所suo以yi如ru果guo司si機ji在zai工gong作zuo的de過guo程cheng中zhong操cao作zuo不bu慎shen,沒mei有you將jiang控kong製zhi器qi的de手shou柄bing拉la到dao零ling位wei,會hui導dao致zhi吊diao鉤gou繼ji續xu上shang升sheng,造zao成cheng人ren員yuan事shi故gu。
3、因yin為wei起qi重zhong機ji的de使shi用yong年nian齡ling較jiao長chang,且qie工gong作zuo人ren員yuan在zai工gong作zuo的de過guo程cheng中zhong沒mei有you定ding期qi對dui其qi進jin行xing檢jian查zha和he維wei修xiu,使shi限xian位wei器qi隱yin藏zang著zhe失shi靈ling的de隱yin患huan,最zui後hou造zao成cheng衝chong頂ding現xian象xiang。
4、dangran,zhezhongkenengbushihenchangjian,jiushigongzuorenyuanzaigongzuodeguochengzhong,wujiangxiajiangcaozuotiaoweishangshengcaozuo,daozhixianweiqishiling,tongshiyoumeiyoujishideqiyongjinjixingchekaiguan,daozhidiaowuchongding。
5、anzhuangdegongzuorenyuanzaianzhuangdeguochengzhong,wangjiduixiajiangheshangshengkongzhiqitiaozhixiangyingdeshunxu,shixiajiangheshangshengdexianweiqichudianfashengleguzhang,zuizhongdaozhichongdingxianxiang。
6、長時間的使用,限位器上的螺絲發生鬆動,使觸塊接觸不到限位器,從而發生衝頂現象。
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