Auxiliary dismounting device for rod pump
An auxiliary device and rod pump technology, which is applied to parts of pumping devices for elastic fluids, variable displacement pump parts, pump components, etc., and can solve the problem of small fitting clearance of rod pumps and the frequency of rod pump stuck pumps increase, stuck pump failure and other problems, to avoid repeated pump inspections and eliminate operational risks
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[0013] In the following, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and characteristics of one embodiment may be beneficially incorporated in other embodiments without further recitation.
[0014] see figure 1 , is a structural schematic diagram of the first embodiment of the rod pump dismantling aid device in the present invention, as shown in the figure, the rod pump dismantling aid device in the present invention includes a sleeve 1 matched with the rod pump, and the sleeve 1 There is a rotatable ejector rod 3 inside, and the ejector rod 3 is facing the valve ball 41 inside the rod pump 4 pump cylinder. The high-pressure gas or high-pressure liquid in the leak out. In the first embodiment of the present invention, the sleeve 1 is sheathed on the bottom of the rod pump 4, and two sets of mounting holes are provided on the sleeve 1, wherein one set of mounting holes 11 is in...
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