No gap adaptive scraper assembly
A scraper and self-adaptive technology, used in cleaning equipment, wellbore/well components, earth-moving drilling, etc., can solve the problems of stuck pump and scraper unable to self-adapt, so as to prolong the pump inspection period and improve comprehensive economic benefits. , the effect of simple structure
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[0016] The present invention will be further described below in conjunction with accompanying drawing:
[0017] Depend on Figure 1 to Figure 3 As shown, a gapless adaptive scraper assembly includes a connecting rod, a scraper, and a joint. The connecting rod includes an upper connecting rod 1, an intermediate connecting rod 5, and a lower connecting rod 7. The described joint includes an upper A joint 3 and an intermediate joint 6, the scraper includes an upper scraper 2 and a lower scraper 4 . Both ends of the upper joint 3 are respectively connected to the upper connecting rod 1 and the middle connecting rod 5; Oil rod, the upper scraper 2 is installed outside the upper connecting rod 1, the lower scraper 4 is installed outside the middle connecting rod 5, the upper scraper 2 can move between the lower boss of the upper connecting rod 1 and the upper joint 3, the lower The scraper 4 is movable between the upper joint 3 and the middle joint 6 . The lower part of the lower...
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