Automatic descaling device and method for shafts
An automatic descaling and wellbore technology, applied in the direction of earthwork drilling, wellbore/well parts, cleaning tools, etc., can solve the problems of blade jamming, complicated operation of descaling system, long time-consuming cycle of descaling, etc., and achieve improvement Descaling ability, reducing the effect of stuck rotation
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[0049] The present invention will be further described below in conjunction with the accompanying drawings. The protection scope of the present invention is not limited to the following:
[0050] Such as figure 1 As shown, the wellbore automatic descaling device includes a pump housing 1, a pump body, a mandrel 3, an inlet head 4, a rubber cylinder 5, a joint 6, an impeller 7 and a scraper device. The pump body includes a pump cavity The main body 2 and the cover 23 that cover the pump cavity. The main body 2 is composed of a cylindrical side wall and a shaft end surface that seals the opening at one end of the cylindrical side wall. The side wall and the shaft end surface enclose a pump cavity with an opening at one end. Sealed by the cover 23, the pump body is arranged in the pump casing 1, the main body 2 and the cover body 23 are fixedly connected with the pump casing 1 by pins, the mandrel 3 is arranged in the pump cavity, and the main body 2 and the cover 23 are both provide...
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