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发明名称
差速换向法长冲程抽油机
摘要
一种油田机械采油用的差速换向法长冲程抽油机。它应用汽车差速器原理解决抽油机换向问题。把两组差速器并列在一起,它们的外壳上有齿轮啮合。在差速器一侧的半轴上装有齿轮,另一侧的半轴上装有凹轮。只要交替停住其中一个凹轮,就可获得输出绳轮的正、反向转动。差速器是一项成熟的技术,引用到抽油机换向系统中,换向平稳,工作可靠,使用寿命长。
申请公布号
CN1172076C
申请公布日期
2004.10.20
申请号
CN02109048.3
申请日期
2002.01.18
申请人
王毅
发明人
王毅;王金
分类号
E21B43/00
主分类号
E21B43/00
代理机构
代理人
主权项
1、一种差速换向法长冲程抽油机,它是由电动机[22]、减速箱[21]、差速法换向机构[1-15]、绳轮[16]、绳轮[17]和钢桁架组成,其特征是电动机[22]、减速箱[21]、差速法换向机构[1-15]安装在抽油机的下部,中部是钢桁架,桁架上部是绳轮[16]和绳轮[17]。
地址
124010辽宁省盘锦市辽油闲置设备调剂公司
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