液壓千斤頂使用注意事項
1液(ye)(ye)壓(ya)(ya)千(qian)(qian)斤(jin)(jin)頂(ding)(ding)(ding)在頂(ding)(ding)(ding)升(sheng)作(zuo)業時,要選擇(ze)(ze)合適噸位的液(ye)(ye)壓(ya)(ya)千(qian)(qian)斤(jin)(jin)頂(ding)(ding)(ding):承載能力不可超(chao)負(fu)荷,選擇(ze)(ze)液(ye)(ye)壓(ya)(ya)千(qian)(qian)斤(jin)(jin)頂(ding)(ding)(ding)的承載能力需大(da)于(yu)(yu)重(zhong)物重(zhong)力的1.2倍;液(ye)(ye)壓(ya)(ya)千(qian)(qian)斤(jin)(jin)頂(ding)(ding)(ding)最(zui)低高(gao)度(du)合適,為了便于(yu)(yu)取出,選用液(ye)(ye)壓(ya)(ya)千(qian)(qian)斤(jin)(jin)頂(ding)(ding)(ding)的最(zui)小高(gao)度(du)應與重(zhong)物底部施力處的凈(jing)空相適應,起落過(guo)程中(zhong)墊枕(zhen)木支持重(zhong)物時,液(ye)(ye)壓(ya)(ya)千(qian)(qian)斤(jin)(jin)頂(ding)(ding)(ding)的起升(sheng)高(gao)度(du)要大(da)于(yu)(yu)枕(zhen)木厚(hou)度(du)與枕(zhen)木變形(xing)之和。
2若使用多臺(tai)(tai)液壓(ya)千斤(jin)頂(ding)(ding)頂(ding)(ding)升(sheng)同(tong)一(yi)設備時,應選用同(tong)一(yi)型號的液壓(ya)千斤(jin)頂(ding)(ding),且每臺(tai)(tai)液壓(ya)千斤(jin)頂(ding)(ding)的額定(ding)起重(zhong)量(liang)之(zhi)和不得小于所承擔設備重(zhong)力的1.5倍(bei)。
3液壓千斤頂在(zai)使用(yong)前應擦拭干凈,并應檢查各部件(jian)是否靈(ling)活(huo),有(you)無損(sun)傷,在(zai)有(you)載荷時(shi)切(qie)忌將快速接頭卸下,以免發生(sheng)事故(gu)及(ji)損(sun)壞部件(jian)。
4液壓(ya)千斤(jin)頂(ding)在使(shi)用前應放置(zhi)平(ping)整,不能傾(qing)斜(xie),底部(bu)要墊平(ping),嚴防地基偏沉或載荷(he)偏移而使(shi)液壓(ya)千斤(jin)頂(ding)傾(qing)斜(xie)或翻(fan)倒,可在液壓(ya)千斤(jin)頂(ding)底部(bu)墊堅韌(ren)的(de)枕術或鋼(gang)板來擴大承(cheng)壓(ya)面(mian)積,以免陷落或滑動而發生事故;切(qie)勿(wu)用有(you)油污(wu)的(de)木板或鋼(gang)板作為(wei)襯墊,防止(zhi)受力時打滑,發生安(an)全事故;重物被頂(ding)升(sheng)位(wei)置(zhi)必須是安(an)全、堅實(shi)的(de)部(bu)位(wei),以防損壞(huai)設備。
5使用液壓(ya)(ya)(ya)千斤(jin)頂(ding)(ding)(ding)時,應先將重(zhong)物先試頂(ding)(ding)(ding)起(qi)一部(bu)分,仔細檢查液壓(ya)(ya)(ya)千斤(jin)頂(ding)(ding)(ding)無(wu)異常后(hou),再繼續頂(ding)(ding)(ding)升重(zhong)物。若發現墊板受壓(ya)(ya)(ya)后(hou)不平整、不牢固或(huo)液壓(ya)(ya)(ya)千斤(jin)頂(ding)(ding)(ding)有傾斜時,必(bi)須將液壓(ya)(ya)(ya)千斤(jin)頂(ding)(ding)(ding)卸(xie)壓(ya)(ya)(ya)回程(cheng),及時處(chu)理好后(hou)方可再次(ci)操作。
6在頂(ding)升過程中,應(ying)隨重物的(de)(de)不斷上升及(ji)時(shi)在液(ye)壓(ya)千(qian)斤(jin)頂(ding)下方鋪(pu)墊保險枕(zhen)木架,以防(fang)液(ye)壓(ya)千(qian)斤(jin)頂(ding)傾(qing)斜或引起活塞突(tu)然下降而造成事故,下放(fang)重物時(shi)要逐步向外抽出枕(zhen)木,枕(zhen)木與重物間(jian)的(de)(de)距離不得超(chao)過一塊枕(zhen)木的(de)(de)厚度,以防(fang)意外!
7若重物的(de)(de)頂升高(gao)度(du)需超出液壓(ya)千斤(jin)頂額定高(gao)度(du)時(shi),需先(xian)在(zai)液壓(ya)千斤(jin)頂頂起的(de)(de)重物下(xia)墊好(hao)枕木,降下(xia)液壓(ya)千斤(jin)頂,墊高(gao)其底部,重復頂升,直至需要的(de)(de)起升高(gao)度(du)。
8液(ye)壓千斤頂(ding)不可作為(wei)永久(jiu)支(zhi)承設備。如(ru)需長(chang)時間支(zhi)承,應在(zai)重物(wu)下方增(zeng)加支(zhi)承部分(fen),以保證液(ye)壓千斤頂(ding)不受損壞。
9若(ruo)頂(ding)升重(zhong)物(wu)(wu)一(yi)端只用一(yi)臺(tai)液壓千(qian)斤頂(ding)時,則應將液壓千(qian)斤頂(ding)放置在重(zhong)物(wu)(wu)的(de)對(dui)稱軸線(xian)上,并(bing)使液壓千(qian)斤頂(ding)底座長的(de)方向和重(zhong)物(wu)(wu)易傾倒的(de)方向一(yi)致。若(ruo)重(zhong)物(wu)(wu)一(yi)端使用兩臺(tai)液壓千(qian)斤頂(ding)時,其底座的(de)方向應略呈八字形對(dui)稱放置于重(zhong)物(wu)(wu)對(dui)稱軸線(xian)兩側(ce)。
10使用兩臺或多臺液(ye)壓千斤頂(ding)同(tong)時頂(ding)升作業時,須統一(yi)指揮、協調一(yi)致(zhi)、同(tong)時升降。
11液壓(ya)千(qian)斤頂應存(cun)放在(zai)(zai)干燥、無塵的地方,不適宜在(zai)(zai)有酸堿,腐蝕(shi)性氣(qi)體(ti)的工作(zuo)場所使(shi)用,更(geng)不能(neng)放在(zai)(zai)室外日(ri)曬雨淋!
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。