Fetching machine special for oil pumping polished rod packing
An oil pumping polished rod packing special taking and installing machine is applied to a production well of an oil pumping machine. An internal O-shaped packing is arranged in a taking and installing packing box. The taking and installing machine consists of a taking and installing end and a center...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | An oil pumping polished rod packing special taking and installing machine is applied to a production well of an oil pumping machine. An internal O-shaped packing is arranged in a taking and installing packing box. The taking and installing machine consists of a taking and installing end and a centering end. The upper part of the taking and installing end is fixed with a right semicircle pipe of the centering end. The taking and installing machine is characterized in that the cross section of the taking and installing end is in the shape of a semicircle ring; the length of the taking and installing end is between 100 and 300mm; convex teeth are arranged on the bottom side of the taking and installing end and are connected with an arc-shaped longitudinal side of the taking and installing end. The taking and installing machine has the advantages that seven packings at the next level need about 1.5-2minutes to be taken from a packing box and eight packings at the upper level need about 1.5-2 minutes to be taken; |
---|