基本信息:
- 专利标题: 스프링 펀치 및 이를 구비한 지면 드릴 천공기
- 专利标题(英):KR20210030765A - Spring punch and ground drill boring device
- 申请号:KR20190112339 申请日:2019-09-10
- 公开(公告)号:KR20210030765A 公开(公告)日:2021-03-18
- 优先权: KR20190112339 2019-09-10
- 主分类号: E21B7/02
- IPC分类号: E21B7/02
A spring punch that is installed on the base plate and fixes the base plate to the ground to prevent shaking during drilling by a drill, and a ground drill perforator having the same are provided. The spring punch includes a base plate on which a fixed wheel is installed and spaced apart from the ground by a predetermined distance and positioned horizontally; And a support member integrally extending from the base plate. And a drill coupled to the support member to drill a hole in the ground, which is installed at each of the four corners of the base plate and vertically penetrates the base plate during operation to be inserted into the ground. Pin; A case positioned to surround the pin between the lower part of the base plate and the ground; A spring installed in the case to press the pin in the direction of the ground by an elastic force when the pin is inserted into the ground ; A pressing lid positioned to surround an upper circumference of the pin and pressing the spring in the direction of the ground; And a handle coupled to an upper end of the pin and rotating to lift the pin.
信息查询:
EspacenetIPC结构图谱:
E | 固定建筑物 |
--E21 | 土层或岩石的钻进;采矿 |
----E21B | 土层或岩石的钻进;从井中开采油、气、水、可溶解或可熔化物质或矿物泥浆 |
------E21B7/00 | 钻井的特殊方法或设备 |
--------E21B7/02 | .带有用于陆地运输装置的钻机,例如,安装在雪橇或轮子上的钻机 |