Well head mobile anti-theft device
An anti-theft device and valve technology, which is applied in wellbore/well valve device, wellbore/well components, earth-moving drilling, etc., can solve problems such as easy theft, and achieve reasonable appearance and component composition.
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[0012] This cover invention is realized by adopting the following technical solutions: see figure 1 , the main feature of this cover wellhead mobile anti-theft device is the use of anti-theft gate valve (13) and anti-theft clamp (5).
[0013] 1. The use of anti-theft gate valves: traditional gate valves use handwheels, but this invention eliminates the need for handwheels, welding a square block on the gate valve stem, and using a special wrench ( figure 2 shown) on and off. A sleeve is welded on the outside of the valve stem, the internal structure cannot be seen from the outside, and the sleeve head uses a suction cup. Before opening, first use the strong magnetic part (6) in the special wrench to suck out the suction cup, and then use the inner square (6) of the special wrench to open it.
[0014] 2. The use of anti-theft clamps: the traditional clamps fastening bolts and nuts are exposed and are easy to be stolen. In the present invention, the hoop uses anti-theft tech...
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