Horizontal opposed plunger pump connecting rod connecting ring

Abstract

The invention discloses a horizontal opposed plunger pump connecting rod connecting ring. After being cast from an overall circular ring blank and machined and formed through an overall circular ringmachine, the overall circular ring blank is cut into an upper semicircular connecting ring and a lower semicircular connecting ring through wire cutting of a quick fed wire or a slow fed wire. The split upper semicircular connecting ring and lower semicircular connecting ring are connected into the whole connecting ring through connecting bolts or cylindrical pins with the locating function. The surface of the inner circumference of the connecting ring is coated with a wear-resistant material according to the service environment or the stress condition to form a temperature-resistant, corrosion-resistant and wear-resistance layer. A connecting ring body is provided with an outer circular oil groove, an inner circular oil groove, a lubricating oil groove and an oil lubrication hole in the radial direction or the axial direction so as to realize lubrication on a related connecting motion pair. The horizontal opposed plunger pump connecting rod connecting ring is simple in structure, lowin manufacturing cost and convenient to install, ensures the centering installation and good connecting reliability of a horizontal opposed plunger pump, improves the lubricating property and corrosion resistance of the related connecting motion pair, thereby improving the operation stability and reliability of the horizontal opposed plunger pump.

Description

technical field [0001] The invention relates to the technical field of plunger pump installation components, in particular to a horizontally opposed plunger pump connecting rod connecting ring. Background technique [0002] Existing plunger pumps are mostly arranged on one side, usually single plunger pumps or double plunger pumps, which are used in industrial fields with high pressure and large flow requirements such as oilfield water injection and steel rolling dephosphorization. Large force, large vibration and noise, etc. [0003] Based on this, the patent application number CN201810011835.5 discloses a multi-row horizontally opposed high-pressure plunger pump, which mainly includes a multi-row plunger assembly and a cylinder body. The multi-row plunger assembly is installed in the cylinder body. Rows of plunger assemblies are symmetrically arranged on both sides of the crankshaft, and the cylinder body is a split structure, separated from the centerline of the cranksha...

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Problems solved by technology

[0004] However, the above-mentioned patent does not involve the detailed installation structure of the horizontally opposed plunger assembly on the crank pin of the crankshaft, but simply describes in words that the multi-row plunger assemblies are symmetrically arranged on both sides of the crankshaft, and the connecting rods of the plunger assemblies are connected to the crankshaft. How to ensure the centering installation of the connecting rod of the horizontally opposed plunger assembly relative to the crank pin, and how to improve the reliability of the connection between the connecting rod and the crank pin of the opposed plunger assembly are not involved. Mounting method on the pin, connection structure

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