液壓千斤頂使用注意事項
1液壓(ya)千(qian)(qian)斤(jin)頂(ding)(ding)在頂(ding)(ding)升作業時,要(yao)選(xuan)擇合(he)適噸(dun)位的液壓(ya)千(qian)(qian)斤(jin)頂(ding)(ding):承載能力不可超負荷,選(xuan)擇液壓(ya)千(qian)(qian)斤(jin)頂(ding)(ding)的承載能力需(xu)大于重(zhong)物(wu)重(zhong)力的1.2倍;液壓(ya)千(qian)(qian)斤(jin)頂(ding)(ding)最(zui)低高度(du)合(he)適,為(wei)了便于取出,選(xuan)用液壓(ya)千(qian)(qian)斤(jin)頂(ding)(ding)的最(zui)小高度(du)應與重(zhong)物(wu)底部施力處的凈空相適應,起(qi)落過(guo)程中墊枕(zhen)木(mu)支持重(zhong)物(wu)時,液壓(ya)千(qian)(qian)斤(jin)頂(ding)(ding)的起(qi)升高度(du)要(yao)大于枕(zhen)木(mu)厚度(du)與枕(zhen)木(mu)變形之和。
2若使用(yong)(yong)多(duo)臺液(ye)壓(ya)千斤(jin)頂(ding)頂(ding)升同(tong)一設備(bei)時,應(ying)選用(yong)(yong)同(tong)一型(xing)號的液(ye)壓(ya)千斤(jin)頂(ding),且每臺液(ye)壓(ya)千斤(jin)頂(ding)的額定(ding)起(qi)重量之和不得小于(yu)所承擔設備(bei)重力(li)的1.5倍。
3液壓千(qian)斤頂(ding)在(zai)(zai)使用前應擦拭(shi)干凈,并應檢查各部件是否靈活,有無(wu)損(sun)傷,在(zai)(zai)有載荷時切(qie)忌將(jiang)快速(su)接頭卸下,以免發(fa)生(sheng)事(shi)故及損(sun)壞部件。
4液(ye)壓(ya)千斤頂(ding)在使用前應放置平整,不能傾(qing)斜(xie),底(di)部要墊(dian)平,嚴防地(di)基(ji)偏(pian)沉或載荷偏(pian)移而使液(ye)壓(ya)千斤頂(ding)傾(qing)斜(xie)或翻(fan)倒,可在液(ye)壓(ya)千斤頂(ding)底(di)部墊(dian)堅(jian)韌(ren)的(de)枕術或鋼板(ban)來擴大承壓(ya)面(mian)積,以(yi)免陷落或滑動而發(fa)生事故;切(qie)勿(wu)用有油污(wu)的(de)木板(ban)或鋼板(ban)作為(wei)襯墊(dian),防止受(shou)力時打滑,發(fa)生安全事故;重物被頂(ding)升位置必須是安全、堅(jian)實的(de)部位,以(yi)防損壞設備(bei)。
5使用液壓(ya)千斤頂時(shi),應先(xian)將(jiang)重(zhong)物(wu)先(xian)試(shi)頂起(qi)一部分,仔細檢查液壓(ya)千斤頂無(wu)異(yi)常后(hou),再(zai)繼(ji)續頂升重(zhong)物(wu)。若發現墊板受壓(ya)后(hou)不平(ping)整(zheng)、不牢固(gu)或液壓(ya)千斤頂有(you)傾(qing)斜時(shi),必(bi)須將(jiang)液壓(ya)千斤頂卸壓(ya)回程,及時(shi)處(chu)理好后(hou)方可再(zai)次操作。
6在頂升過(guo)程中,應隨重物(wu)的(de)不斷上升及時在液壓(ya)千斤頂下方鋪(pu)墊保險枕木(mu)(mu)架,以(yi)防液壓(ya)千斤頂傾(qing)斜或引起活塞(sai)突然下降而(er)造成事故(gu),下放(fang)重物(wu)時要逐步(bu)向外抽出枕木(mu)(mu),枕木(mu)(mu)與重物(wu)間的(de)距離不得超過(guo)一塊枕木(mu)(mu)的(de)厚度,以(yi)防意(yi)外!
7若重(zhong)物(wu)的(de)頂(ding)(ding)升(sheng)高(gao)度需超出液壓千斤(jin)頂(ding)(ding)額定(ding)高(gao)度時,需先在液壓千斤(jin)頂(ding)(ding)頂(ding)(ding)起的(de)重(zhong)物(wu)下(xia)墊好枕木,降下(xia)液壓千斤(jin)頂(ding)(ding),墊高(gao)其底(di)部,重(zhong)復頂(ding)(ding)升(sheng),直至(zhi)需要的(de)起升(sheng)高(gao)度。
8液壓千斤(jin)頂不(bu)可作(zuo)為永久支承設(she)備。如需長(chang)時間支承,應在(zai)重物(wu)下(xia)方(fang)增加支承部分,以保證(zheng)液壓千斤(jin)頂不(bu)受(shou)損壞。
9若頂(ding)(ding)升(sheng)重(zhong)(zhong)物(wu)一(yi)(yi)端只(zhi)用(yong)一(yi)(yi)臺液壓千(qian)斤(jin)頂(ding)(ding)時,則應(ying)將液壓千(qian)斤(jin)頂(ding)(ding)放置在重(zhong)(zhong)物(wu)的對稱軸線上(shang),并使液壓千(qian)斤(jin)頂(ding)(ding)底(di)座長的方向(xiang)和重(zhong)(zhong)物(wu)易傾倒的方向(xiang)一(yi)(yi)致。若重(zhong)(zhong)物(wu)一(yi)(yi)端使用(yong)兩臺液壓千(qian)斤(jin)頂(ding)(ding)時,其底(di)座的方向(xiang)應(ying)略呈八字形對稱放置于(yu)重(zhong)(zhong)物(wu)對稱軸線兩側(ce)。
10使用兩臺或多臺液壓千斤頂同時(shi)頂升作業(ye)時(shi),須統(tong)一指揮、協調一致、同時(shi)升降。
11液壓千斤頂應存放在干燥、無塵的地方,不適宜在有酸堿,腐蝕性(xing)氣體的工(gong)作場所使(shi)用,更不能放在室外日曬雨(yu)淋!
操作時應嚴格遵守技術規范,用戶需根據使用情況定期檢查和保養。