Horizontal and longitudinal locking type valve drilling device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 海莲华盛石化南京有限公司
- Publication Date
- 2018-08-24
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Abstract
Description
technical field
[0001] The invention relates to a horizontal and vertical locking valve drilling device. Background technique
[0002] At present, during the manufacture and maintenance of valves, it is generally necessary to drill holes for the valves. The existing valve drilling devices generally drive the drill bit to rotate and move up and down through the driving device, but the drill bit and the valve in the existing valve drilling device The rotating shafts are all fixedly connected, and it is very inconvenient to replace the drill bit after a period of use. The present invention provides a drill bit movable installation structure, which is convenient for installation and disassembly while ensuring the stability of the connection. Contents of the invention
[0003] Aiming at the shortcomings of the above-mentioned prior art, the problem to be solved by the present invention is: to provide a horizontal and vertical locking valve drilling device with stable connection...