技术应用/TechnologyApplication石油石化节能https://gwyt.cbpt.cnki.net抽油机减速箱双液隔离结构看窗与现场应用张朋娟1杨海波2汤凯2王会山1董亚玲3（1.大庆油田有限责任公司第九采油厂；2.大庆油田有限责任公司第四采油厂；3.大庆油田有限责任公司第三采油厂）摘要：抽油机减速箱的作用是将电动机的高速运动，通过三轴二级减速变成曲柄的低速旋转运动。减速箱内有润滑油，上液面不高于2/3位置，下液面不低于1/3位置，即中间轴齿轮刚浸没为宜。抽油机减速箱看窗的主要用途是观察减速箱内润滑油的液位及油质情况，目前存在问题是看窗内表面结垢造成润滑油出现假液位，导致减速箱内齿轮因缺油造成的机械损伤。抽油机减速箱双液隔离结构看窗利用连通器原理，看窗玻璃管内液体通过润滑油—防冻液双液隔离实现间接显示，避免润滑油进入玻璃管出现凝固，从而导致液面高度误判。该成果在现场应用130井次，减少润滑油添加量350kg/a，减少时率影响原油产量12.18t/a，减少减速箱大修3台次，累计创效共计14.65万元，具有节能降耗的双重意义。关键词：抽油机；减速箱看窗；连通器；双液隔离；液位差DOI:10.3969/j.issn.2095-1493.2023.01.008ThedoubleliquidisolationstructureobservingwindowandfieldapplicationfordecelerationboxofpumpingunitZHANGPengjuan1，YANGHaibo2，TANGKai2，WANGHuishan1，DONGYaling31No.9OilProductionPlantofDaqingOilfieldCo．，Ltd．2No.4OilProductionPlantofDaqingOilfieldCo．，Ltd．3No.3OilProductionPlantofDaqingOilfieldCo．，Ltd．Abstract：Thefunctionofdecelerationboxofpumpingunitistoturnthehigh-speedmotionofmo-torintothelow-speedrotatingmotionofcrankthroughtriaxialtwo-stagedeceleration．Thereislu-bricatingoilinthedecelerationbox．Theupperliquidlevelisnothigherthan2/3positionandthelowerliquidlevelisnotlowerthan1/3position．Thatis，themiddleshaftgearthathasbeenjustsub-mergedisappropriate．Themainpurposeofthedecelerationboxobservingwindowofpumpingunitistoobservethelubricatingoillevelandoilqualityofdecelerationbox．However，becauseofthefoul-ingontheinnersurfaceoftheobservingwindow，thelubricatingoilhasafalseliquidlevel，whichleadstothemechanicaldamagecausedbythelackofoilinthedecelerationbox．Thedoubleliquidisolationstructureobservingwindowofdeceler...
