做为立体(ti)(ti)车库(ku)中市场占有(you)率极(ji)大的(de)(de)(de)一种产(chan)品(pin),升降横移类立体(ti)(ti)车库(ku)现在(zai)在(zai)祖国(guo)大地上遍地开花。这种在(zai)立体(ti)(ti)车库(ku)行业内技术含量较低(di)的(de)(de)(de)设备由于先天(tian)的(de)(de)(de)不足,导致(zhi)其故障率是(shi)所有(you)同类产(chan)品(pin)中高(gao)的(de)(de)(de)。这就(jiu)让各个立体(ti)(ti)车库(ku)厂(chang)家的(de)(de)(de)维保人员(yuan)夜不能寐,寝食(shi)难安。
升(sheng)降横移类立(li)体车库(ku)的(de)故(gu)障主要分为两块(kuai),一块(kuai)是(shi)(shi)机械故(gu)障,一块(kuai)是(shi)(shi)电气故(gu)障。
首先说电气故(gu)障,因为这个是(shi)(shi)立体车库故(gu)障的大(da)头,比(bi)较(jiao)频繁,但(dan)是(shi)(shi)相对来说容易(yi)解决。当(dang)然前提(ti)是(shi)(shi)要能很快查出(chu)故(gu)障点(dian)。
1、简单的(de)(de)(de)电(dian)(dian)(dian)(dian)气故(gu)(gu)障(zhang)就(jiu)是(shi)(shi)光电(dian)(dian)(dian)(dian)没对(dui)(dui)好。在(zai)车库(ku)的(de)(de)(de)入口处一(yi)般(ban)有3对(dui)(dui)光电(dian)(dian)(dian)(dian),超(chao)长(zhang)、超(chao)高(gao)、人车误入,在(zai)车库(ku)的(de)(de)(de)后(hou)部也有一(yi)对(dui)(dui)检(jian)(jian)测后(hou)超(chao)长(zhang)的(de)(de)(de)光电(dian)(dian)(dian)(dian)。这(zhei)些光电(dian)(dian)(dian)(dian)可(ke)能会因为质(zhi)量问题(ti)(ti)(ti),可(ke)能会因为外,也可(ke)能因为弄脏了(le)(le)镜(jing)面,甚至是(shi)(shi)因为电(dian)(dian)(dian)(dian)线出(chu)现问题(ti)(ti)(ti)而(er)导致(zhi)信(xin)号(hao)(hao)丢失,从而(er)引起(qi)故(gu)(gu)障(zhang)。这(zhei)个时(shi)(shi)(shi)候(hou)首(shou)先要(yao)做(zuo)的(de)(de)(de)就(jiu)是(shi)(shi)通过检(jian)(jian)查(cha)PLC上输入端(duan)(duan)的(de)(de)(de)指示(shi)灯来(lai)确(que)(que)认(ren)是(shi)(shi)哪(na)一(yi)个光电(dian)(dian)(dian)(dian)开关出(chu)现了(le)(le)问题(ti)(ti)(ti),如果(guo)发现指示(shi)灯显示(shi)光电(dian)(dian)(dian)(dian)没有对(dui)(dui)好,首(shou)先看是(shi)(shi)否(fou)有异物遮挡(dang),然后(hou)检(jian)(jian)查(cha)光电(dian)(dian)(dian)(dian)镜(jing)面是(shi)(shi)否(fou)弄脏(雨雪天(tian)常见故(gu)(gu)障(zhang)),检(jian)(jian)查(cha)光电(dian)(dian)(dian)(dian)支架(jia)是(shi)(shi)否(fou)松动(dong)(常见的(de)(de)(de)原因),如果(guo)以上都能排除,那(nei)么很不幸,您的(de)(de)(de)工作量会比(bi)较大了(le)(le)。这(zhei)个时(shi)(shi)(shi)候(hou),如果(guo)用户(hu)急着要(yao)存取(qu)车,一(yi)般(ban)建(jian)议维保人员通过用短接(jie)线来(lai)把(ba)这(zhei)个光电(dian)(dian)(dian)(dian)信(xin)号(hao)(hao)屏蔽(bi)掉。待车库(ku)空闲下来(lai)了(le)(le),维保人员首(shou)先要(yao)确(que)(que)认(ren)的(de)(de)(de)是(shi)(shi)光电(dian)(dian)(dian)(dian)是(shi)(shi)否(fou)正常,一(yi)般(ban)建(jian)议用临时(shi)(shi)(shi)电(dian)(dian)(dian)(dian)缆将发射端(duan)(duan)移(yi)到(dao)接(jie)收端(duan)(duan),让两个光电(dian)(dian)(dian)(dian)面对(dui)(dui)面,以确(que)(que)认(ren)到(dao)底是(shi)(shi)光电(dian)(dian)(dian)(dian)坏了(le)(le)还是(shi)(shi)线路出(chu)现问题(ti)(ti)(ti)。如果(guo)这(zhei)时(shi)(shi)(shi)还是(shi)(shi)没有光电(dian)(dian)(dian)(dian)信(xin)号(hao)(hao),那(nei)么可(ke)以肯定光电(dian)(dian)(dian)(dian)坏了(le)(le),如果(guo)这(zhei)时(shi)(shi)(shi)有信(xin)号(hao)(hao),那(nei)么就(jiu)是(shi)(shi)电(dian)(dian)(dian)(dian)缆断(duan)了(le)(le)。剩下的(de)(de)(de)就(jiu)是(shi)(shi)坏啥换啥了(le)(le)。
2、容易(yi)处理(li)的(de)故(gu)障是(shi)间歇过后(hou)设(she)备忽(hu)然(ran)不(bu)(bu)能自动(dong)(dong)运(yun)行(xing)。相信很多维保(bao)人(ren)(ren)员(yuan)都遇到(dao)过这(zhei)种问题,一(yi)台设(she)备原本(ben)用得好好的(de),忽(hu)然(ran)在存取(qu)完一(yi)次车(che)(che)(che)后(hou)就不(bu)(bu)能自动(dong)(dong)运(yun)行(xing)了(le),而(er)且(qie)还不(bu)(bu)报警。这(zhei)种故(gu)障99%都是(shi)因为(wei)车(che)(che)(che)辆在进出(chu)车(che)(che)(che)库的(de)时(shi)候(hou)方(fang)向不(bu)(bu)正(zheng),从而(er)导致车(che)(che)(che)轮(lun)与车(che)(che)(che)板(ban)产生相对运(yun)动(dong)(dong),使地面横移(yi)车(che)(che)(che)板(ban)横向移(yi)动(dong)(dong),以致该横移(yi)车(che)(che)(che)板(ban)的(de)横移(yi)限位(wei)开(kai)关(guan)动(dong)(dong)作,故(gu)不(bu)(bu)能满足自动(dong)(dong)运(yun)行(xing)条件。出(chu)现这(zhei)种故(gu)障后(hou),第一(yi)步就是(shi)要查看PLC上I/O点,从而(er)可以发现是(shi)哪一(yi)个(ge)限位(wei)开(kai)关(guan)出(chu)现了(le)误动(dong)(dong)作。找到(dao)开(kai)关(guan)后(hou),可以人(ren)(ren)工将(jiang)车(che)(che)(che)板(ban)移(yi)动(dong)(dong)归位(wei)。
3、常见的(de)(de)故(gu)障(zhang)就是(shi)设备(bei)在自动运行(xing)过程(cheng)中突然不(bu)动了。这种(zhong)故(gu)障(zhang)原(yuan)因很多,有限位开(kai)关出(chu)现(xian)问题的(de)(de),也(ye)有接触器出(chu)现(xian)问题,甚(shen)至还有电机(ji)出(chu)现(xian)问题的(de)(de),当然,线(xian)路出(chu)现(xian)问题那也(ye)是(shi)毫(hao)不(bu)稀奇的(de)(de)事情了。处理这种(zhong)问题的(de)(de)思路是(shi):
(1)检查(cha)(cha)PLC上相应的(de)输出点指(zhi)示灯(deng)是(shi)否(fou)(fou)亮(liang)(liang),如(ru)果指(zhi)示灯(deng)不(bu)亮(liang)(liang),那就(jiu)检查(cha)(cha)相应的(de)限(xian)位开关(guan)状态是(shi)否(fou)(fou)正常(chang)(又要查(cha)(cha)看PLC上I/O点了),如(ru)果不(bu)正常(chang),就(jiu)检查(cha)(cha)到(dao)底是(shi)限(xian)位开关(guan)坏了还是(shi)线路出现问题(ti)。
(2)如(ru)果(guo)(guo)指示灯亮了(le),那就检(jian)(jian)查(cha)(cha)相应的(de)(de)接(jie)(jie)触(chu)(chu)器(qi)是否(fou)动(dong)作(zuo),如(ru)果(guo)(guo)接(jie)(jie)触(chu)(chu)器(qi)没动(dong)作(zuo),则(ze)检(jian)(jian)查(cha)(cha)到底是接(jie)(jie)触(chu)(chu)器(qi)坏了(le)还是线(xian)路出(chu)现问题(ti);如(ru)果(guo)(guo)接(jie)(jie)触(chu)(chu)器(qi)动(dong)作(zuo)了(le),则(ze)首先检(jian)(jian)查(cha)(cha)接(jie)(jie)触(chu)(chu)器(qi)上的(de)(de)电(dian)(dian)(dian)(dian)压是否(fou)正常(chang)(chang),电(dian)(dian)(dian)(dian)线(xian)是否(fou)松动(dong),接(jie)(jie)触(chu)(chu)器(qi)或(huo)者相应热(re)继电(dian)(dian)(dian)(dian)器(qi)的(de)(de)触(chu)(chu)点是否(fou)烧(shao)毁(hui)。然后再检(jian)(jian)查(cha)(cha)电(dian)(dian)(dian)(dian)机(ji)三相电(dian)(dian)(dian)(dian)阻是否(fou)正常(chang)(chang),如(ru)果(guo)(guo)不正常(chang)(chang),则(ze)先到电(dian)(dian)(dian)(dian)机(ji)接(jie)(jie)线(xian)盒处重新(xin)测量电(dian)(dian)(dian)(dian)机(ji)电(dian)(dian)(dian)(dian)阻,电(dian)(dian)(dian)(dian)阻正常(chang)(chang)再检(jian)(jian)查(cha)(cha)电(dian)(dian)(dian)(dian)机(ji)抱闸线(xian)圈电(dian)(dian)(dian)(dian)压是否(fou)正常(chang)(chang),排除电(dian)(dian)(dian)(dian)机(ji)烧(shao)毁(hui)后再检(jian)(jian)查(cha)(cha)电(dian)(dian)(dian)(dian)机(ji)的(de)(de)线(xian)路。根据经验(yan),这种(zhong)排除故障的(de)(de)顺序(xu)是省时间的(de)(de)。如(ru)果(guo)(guo)很(hen)不幸,终发(fa)现电(dian)(dian)(dian)(dian)机(ji)坏了(le),而现场又没有备用(yong)电(dian)(dian)(dian)(dian)机(ji),那就只有将(jiang)设备上一(yi)个对其他运行影响小的(de)(de)电(dian)(dian)(dian)(dian)机(ji)拆下来更换。
4、麻烦(fan)的(de)故(gu)(gu)障(zhang)(zhang)就(jiu)(jiu)是(shi)松(song)(song)(song)链(lian)(lian)(lian)(lian)报警。这(zhei)种(zhong)故(gu)(gu)障(zhang)(zhang)原因不难(nan)查(cha),因为一(yi)(yi)般操作盒(he)上(shang)都会显示出故(gu)(gu)障(zhang)(zhang)内容来(lai)的(de),难(nan)的(de)是(shi)查(cha)故(gu)(gu)障(zhang)(zhang)点在(zai)哪(na)。因为松(song)(song)(song)链(lian)(lian)(lian)(lian)开关(guan)数(shu)量(liang)太多,一(yi)(yi)般每个(ge)(ge)车(che)位是(shi)4个(ge)(ge)。很(hen)多时候厂家(jia)(jia)为了节约(yue)成(cheng)本(ben),大家(jia)(jia)使用(yong)的(de)松(song)(song)(song)链(lian)(lian)(lian)(lian)开关(guan)一(yi)(yi)般都是(shi)便宜货。所(suo)谓便宜无好货,质量(liang)自然也就(jiu)(jiu)难(nan)以(yi)保证了。所(suo)以(yi)误报松(song)(song)(song)链(lian)(lian)(lian)(lian)故(gu)(gu)障(zhang)(zhang)是(shi)很(hen)多维保人(ren)员的(de)梦(meng)魇,因为那(nei)(nei)查(cha)起(qi)来(lai)实在(zai)是(shi)太麻烦(fan)了,一(yi)(yi)个(ge)(ge)30车(che)位的(de)车(che)库(ku),涉(she)及到松(song)(song)(song)链(lian)(lian)(lian)(lian)报警的(de)开关(guan)上(shang)百(bai)个(ge)(ge),电线(xian)接线(xian)点更(geng)是(shi)如满天繁星。这(zhei)种(zhong)故(gu)(gu)障(zhang)(zhang)一(yi)(yi)旦(dan)出现,维保人(ren)员首先(xian)要做的(de)就(jiu)(jiu)是(shi)检查(cha)链(lian)(lian)(lian)(lian)条是(shi)否松(song)(song)(song)动,没有(you)的(de)话(hua)先(xian)要用(yong)短(duan)接线(xian)将该松(song)(song)(song)链(lian)(lian)(lian)(lian)信号短(duan)接,先(xian)消除故(gu)(gu)障(zhang)(zhang),以(yi)便让设(she)备尽(jin)快恢复使用(yong)。然后(hou)待设(she)备闲暇后(hou)在(zai)来(lai)从(cong)根本(ben)解决问题。处理这(zhei)种(zhong)故(gu)(gu)障(zhang)(zhang)好有(you)两个(ge)(ge)人(ren),这(zhei)样的(de)话(hua),两个(ge)(ge)人(ren)先(xian)在(zai)一(yi)(yi)层的(de)两端(duan)通过短(duan)接线(xian)来(lai)测(ce)(ce)量(liang)故(gu)(gu)障(zhang)(zhang)到底(di)是(shi)在(zai)那(nei)(nei)一(yi)(yi)层,然后(hou)在(zai)分别(bie)在(zai)一(yi)(yi)列(lie)的(de)两端(duan)通过短(duan)接线(xian)来(lai)测(ce)(ce)量(liang)故(gu)(gu)障(zhang)(zhang)到底(di)是(shi)在(zai)哪(na)一(yi)(yi)列(lie),终查(cha)出故(gu)(gu)障(zhang)(zhang)是(shi)在(zai)哪(na)一(yi)(yi)个(ge)(ge)开关(guan)点上(shang)。
5、恐怖的(de)(de)(de)故(gu)障(zhang)就是(shi)(shi)(shi)(shi)该动(dong)(dong)(dong)的(de)(de)(de)车(che)(che)板不(bu)动(dong)(dong)(dong),不(bu)该动(dong)(dong)(dong)的(de)(de)(de)车(che)(che)板乱动(dong)(dong)(dong)。我这(zhei)说的(de)(de)(de)是(shi)(shi)(shi)(shi)下面的(de)(de)(de)横移(yi)车(che)(che)板移(yi)到(dao)(dao)一(yi)半,突(tu)然停(ting)(ting)止(zhi),而上面的(de)(de)(de)升降(jiang)车(che)(che)板却(que)降(jiang)下来(lai)(lai)了(le)(le),或者(zhe)是(shi)(shi)(shi)(shi)升降(jiang)车(che)(che)板移(yi)到(dao)(dao)一(yi)半,突(tu)然停(ting)(ting)止(zhi),而旁(pang)边的(de)(de)(de)横移(yi)车(che)(che)板却(que)撞过(guo)来(lai)(lai)了(le)(le)。一(yi)旦出现这(zhei)种(zhong)(zhong)故(gu)障(zhang),轻(qing)则吓(he)人,重(zhong)则伤车(che)(che)。不(bu)过(guo),这(zhei)种(zhong)(zhong)故(gu)障(zhang)看(kan)似恐怖,后(hou)果也许也很严重(zhong),但是(shi)(shi)(shi)(shi)处理起来(lai)(lai)却(que)异(yi)(yi)常简单(dan),因(yin)为这(zhei)种(zhong)(zhong)故(gu)障(zhang)十有八九是(shi)(shi)(shi)(shi)因(yin)为相应(ying)的(de)(de)(de)限位(wei)开关(guan)(guan)提前动(dong)(dong)(dong)作了(le)(le),而这(zhei)种(zhong)(zhong)原因(yin)不(bu)外(wai)乎两(liang)种(zhong)(zhong),一(yi)是(shi)(shi)(shi)(shi)开关(guan)(guan)被异(yi)(yi)物打到(dao)(dao),提前误(wu)动(dong)(dong)(dong)作,二(er)是(shi)(shi)(shi)(shi)中大(da)奖了(le)(le),限位(wei)开关(guan)(guan)或者(zhe)其相应(ying)的(de)(de)(de)线路突(tu)然坏了(le)(le)。以我的(de)(de)(de)经(jing)验,以前者(zhe)居(ju)多,尤其是(shi)(shi)(shi)(shi)横移(yi)车(che)(che)板提前停(ting)(ting)止(zhi)往(wang)往(wang)是(shi)(shi)(shi)(shi)因(yin)为地面有异(yi)(yi)物导(dao)致横移(yi)限位(wei)开关(guan)(guan)误(wu)动(dong)(dong)(dong)作。
6、比较少(shao)见的(de)故障(zhang)是电机过载,这(zhei)种故障(zhang)常(chang)见于刚(gang)刚(gang)投入使用的(de)车库,因为调试的(de)时候(hou),热(re)继电器设置(zhi)值(zhi)偏少(shao),而(er)调试的(de)时候(hou)一般不(bu)会全部重载,所以不(bu)会发现。处理这(zhei)种故障(zhang)的(de)办法很简单(dan),那就是调整电流设置(zhi)值(zhi)。有时也有电机抱闸(zha)过紧导致电机过载的(de),这(zhei)就需要调整抱闸(zha)片的(de)间隙。
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