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9729results about "Bearing components" patented technology

Five-cylinder plunger pump with integral power end structure

The invention discloses a five-cylinder plunger pump with an integral power end structure. According to the five-cylinder plunger pump, an integral welding structure is adopted for a crankshaft box body and a crosshead box body in a five-cylinder plunger pump power end assembly, so that the structural strength of the power end assembly is higher, the supporting stability is better, and the whole pump vibration can be reduced; the cylinder spacing is 13-14 inches, the bearing area of connecting rods, crossheads and bearing bushes is increased, a guarantee is provided for the output of the high-power of the five-cylinder plunger pump, the high-power five-cylinder plunger pump can effectively solve the problem that the shale gas fracturing well site area is narrow and the required fracturingequipment is relatively large, the use of equipment can be reduced, and the wellsite arrangement is facilitated; the 11-inches long-stroke design can better realize large-displacement operation requirements and improve the operation efficiency; and according to the multi-point supporting design of crankcase bodies, crosshead box bodies and the hydraulic end assembly, the supporting strength of thefive-cylinder plunger pump can be improved, the vibration is reduced, the high-load operation is better guaranteed, and the operation is more stable.

Full-automatic bearing assembly machine

The invention discloses a full-automatic bearing assembly machine. The assembly machine comprises a base, a working platform, a assembling station and a press fit station, wherein the assembling station and the press fit station are arranged on the working platform; an inner-ring feeding mechanism is arranged in the front of the assembling station, and a roller assembling mechanism is arranged behind the assembling station; a roller feeding mechanism is arranged behind the roller assembling mechanism; a holder feeding mechanism is arranged on one side of the assembling station; the inner ring of the bearing, the holder and a tapered roller are assembled together to form an inner assembly of the bearing; an assembly transferring mechanism which can convey the inner assembly of the bearing from the assembling station to the press fit station is arranged between the other side of the assembling station and the inner side of the press fit station; a press fit mechanism is arranged on the press fit station; a material discharging passage is arranged outside the press fit station; and a material pushing mechanism is arranged on the material discharging passage. With the adoption of the structure, assemblies of the holder, the tapered roller and the inner ring of the bearing can be performed automatically, and the inner assembly of the bearing is transferred to the press fit station for pressing through the assembly transferring mechanism, so that the assembly efficiency and the assembly quality are improved greatly, and potential safety hazards are eliminated.
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