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目前，钻探生产用四脚钻塔大多仍然是“分层拆建式”，拆建塔中，攀扶困难，高空作业多，劳动强度大，不安全。为适应钻探生产日益发展的需要，我队研制成功了一种新型的钻塔——“半组成拉立式”四脚钻塔。这种钻塔经一年多的野外生产试验，共施工13个钻孔，经13次拆、迁、安的实践和很多次强力起拔的考验，证明结构合理，工作可靠，负荷能力大，安装中比较安全、方便，是一种性能良好的新品种，并已在最近通过了技术鉴定。
At present, most of the four-foot drilling rigs used in drilling production are still “stratified demolition and construction”. In demolition and construction of towers, climbing difficulties, high altitude operations and labor intensity are unsafe. In order to meet the needs of the growing development of drilling production, our team successfully developed a new type of drilling rig - “semi-make-up vertical” four-pin drill tower. After more than one year of field production test, the rig has constructed a total of 13 boreholes. After 13 demolition, relocation and relocation exercises, many trials and tests have been carried out to prove that it has a reasonable structure, reliable work, large load capacity, Installation is relatively safe and convenient, is a good new breed of performance, and has recently passed the technical appraisal.