A blocking control method based on low-frequency electromagnetic signal communication and intelligent positioning of blocking balls
An electromagnetic signal and intelligent positioning technology, applied in earth-moving drilling, mining equipment, tunnels, etc., can solve the problems of leakage, shortened life, accurate positioning without blocking position, etc., to reduce the service life, prevent instability and buckling damage, The effect of avoiding friction and wear
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[0035] as attached figure 1 to attach Figure 16 Shown:
[0036] The invention provides a plugging control method based on low-frequency electromagnetic signal communication and intelligent positioning of plugging balls, including a filter screen 1, a mud pump 2, a pressure measuring device 3, a wireless communication device inside the pipe 4, a wireless communication device outside the pipe 5, a pipe External blocking control system 6, bellows 7, battery 8, internal blocking control system 9 and pilot electromagnetic relief valve 10, in-pipe wireless communication device 4 is installed in bellows 7, and outside-pipe wireless communication device 5 is installed in the pipeline Outside, the mud pump 2 is installed in the bellows 7, the control subsystem is installed in the bellows 7, and the general control system is installed in the control room outside the pipe.
[0037] Wherein, the mud pump 2 is to pressurize in time when it needs to be pressurized, so as to avoid more fr...
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