森工企業在原木板方材的吊運與歸裝方麵,均已實現了機械操作,使用各種形式的龍門起重機進行原木裝卸作業已成主要趨勢。
1問題的提出
目(mu)前(qian),不(bu)論(lun)是(shi)貯(zhu)術(shu)場(chang),還(hai)是(shi)術(shu)材(cai)加(jia)工(gong)廠(chang),所(suo)使(shi)用(yong)的(de)門(men)式(shi)起(qi)重(zhong)機(ji),其(qi)供(gong)電(dian)係(xi)統(tong)大(da)多(duo)是(shi)采(cai)用(yong)拉(la)線(xian)電(dian)纜(lan)來(lai)實(shi)現(xian)的(de),這(zhe)在(zai)一(yi)般(ban)的(de)生(sheng)產(chan)現(xian)場(chang)是(shi)可(ke)以(yi)滿(man)足(zu)生(sheng)產(chan)作(zuo)業(ye)需(xu)要(yao)的(de)。但(dan)在(zai)有(you)的(de)場(chang)所(suo)(如綏化木材綜合加工廠的成材現場)youyuanmudiaoyunlongmenqizhongjiyuchengcaidiaoyunlongmenqizhongjijiaochazuoyexianxiang,zhishilongmenqizhongjidelaxiandianlanwufajiashe。zheyang,ruhejiejuelongmenqizhongjidegongdianwentijiucheng為當務之急.
2卷線電纜裝置的組成
卷線電纜裝置主要由卷線撥線、碳刷滑環、張緊調節4個部分組成。其基本原理和工作情況是:由被動軸鏈輪帶動卷線鏈輪,使卷線輪做圓周運動,實現卷線與放線工作;boxiandongzuoshiyouguoqiaolianlungonggeidongli,tongguochilunzhouyuyuanzhuchilunbiansu,zaijingguozhuichilunzhouyuyuanzhuichilundehuanxiang,daidongxiaolianlun,shisifenzhisantaotonggunzilianzuoyuanzhouwangfuyundong,liyongzhuangzailiantiaoshangdebozhaoshiboxianjiazuozhixianwangfuyundong,ranhoujiangdianlanxianjunyundibaibuchanraozaijuanxianlunshang;tanshuahuahuandezuoyongshijiangzhuandongdedianlandianyuankekaodisongwanglongmenqizhongjidingduandecaozuotai。weiletiaojiejuanxianlunshangdianlanxiangecengzhijianyuanzhouchangzhicha,xiaochubeidonglunyinyoushidiuzhuanershidianlanxianchuxianguosonghuoguojinxianxiang,zaijuanxianlianlunlunguchu,zengshelechaoyueliheqi,liyongqitexinglaipeihezhuangzaizhaomingdengtaneidezhangjinjiegou,tiaojiedianlandesongjin,zheyangjiubimianleyindianlanguosongerchanshengyaxian、guojinzeladuandianlan,yingxiangshengchanbingzaochengjingjisunshidengwenti。juanxiandianlanzhuangzhianzhuanghou,jingduocifanfushiyan,gebufendongzuofuheshejiyaoqiu,zhengshitouchanshiyonghouqixiaoguolianghao.
3卷線電纜的優點
卷線電纜裝置的研製,既解決了急需,又為龍門起重機的供電方法開辟了一條新路.通過幾年的實踐證明,我們使用的卷線電纜裝置具有以下的優點:
①結構緊湊,布置合理、節省材料、使用安全可靠、維修方便,不用外加動力即可實現卷線.
②造價低廉、加工容易、上馬快,經濟效益可觀。
⑧生產效率高。拉線電纜事故多,且排除困難,影喃生產時間長。采用卷線裝置後很少出現故障,從而使設備的利用率明顯提高。
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