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发明名称
组装式大功率电加热棒
摘要
一种用于油井抽油机上的组装式大功率电加热棒,主要由合金铜棒插入空心抽油杆内及合金铜棒与空心抽油杆之间填有绝缘层构成,铜棒的末端与空心抽油杆底部封口端固接住,空心抽油杆连接处外套有锁母。本实用新型结构简单、制作容易、导电可靠、电功率大、热效率高、使用寿命长,提高了抽油产量,避免了漏油、漏水,减少操作次数。
申请公布号
CN2282600Y
申请公布日期
1998.05.27
申请号
CN96249588.3
申请日期
1996.12.30
申请人
张晨
发明人
张荣考
分类号
E21B36/04
主分类号
E21B36/04
代理机构
代理人
主权项
1、一种组装式大功率电加热棒,它包括由合金铜棒(3)、绝缘层(2)、空心抽油杆(1)及锁母(4)构成,其特征是:合金铜棒(3)插入空心抽油杆(1)内,铜棒(3)与空心抽油杆(1)之间填有绝缘层(2),铜棒(3)的末端与空心抽油杆(1)底部封口端固接住,铜棒(3)之间及空心抽油杆(1)之间丝扣连接,空心抽油杆(1)连接处外套有锁母(4),铜棒(3)上端连接电源输出正极端,空心抽油杆(1)上端连接电源输出负极端。
地址
100086北京市海淀区大钟寺居民区2号
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