Piston oil ring assembling method
An assembly method and a technology for a piston oil ring, which are applied in metal processing, metal processing equipment, hand-held tools, etc., can solve the problems of small rebound force, large rebound force, and low assembly efficiency.
Active Publication Date: 2011-08-17
CHONGQING ZONGSHEN ENGINE MFG
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Problems solved by technology
Because the guide rail ring has a large rebound force, the lining ring is relatively soft, and the resilience is small. Using this existing method for oil ring assembly, the liner ring will be detached from the previously installed guide rail ring A, so that the arrangement order of the two guide rail rings and the liner ring It is confusing, and the lining ring cannot be completely located in the oil ring groove. If the oil ring is to be assembled in place, the operator must adjust the position of the guide rail ring and the lining ring to make the arrangement correct
Based on the above reasons, the current method of mechanically assembling piston rings (that is, using machinery as power instead of operator's hand force when pressing the piston and ring cup into the ring installer) is only suitable for the first and second stages of assembling the piston. ring, and the assembly of the piston oil ring can only be assembled manually, so the assembly efficiency is very low
Method used
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[0017] The assembly method of the piston oil ring needs to adopt the ring installer, the ring mount cup A14 and the ring mount cup B15. As shown in Figure 2, the ring installer is mainly made up of base 11, body 10, guide rod 13, positioning cover 5, positioning cover spring 12, slider 6, slider spring 8, cover ring 7 and retaining ring 9. The ring-fitting cup A14 can be fitted with a gap at one end of the piston 1, and the ring-mounted cup B15 can be fitted with the other end of the piston 1 with a gap.
[0018] When assembling the oil ring, if image 3 , Figure 4 As shown, first place the lining ring 3 and the rail ring A4 overlapping up and down (the lining ring 3 is on top, and the rail ring A4 is below) on the slider 6 of the ring installer, and make the positioning cover 5 be located on the lining ring 3 and the rail ring A4 , place one end of the piston 1 in the ring cup A14, position the ring cup A14 on the positioning cover 5, press down on the piston 1, and make t...
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The invention relates to an assembly method of the parts of an engine, in particular to the assembly method of an oil ring on the piston of an engine. The invention is characterized in that a lined ring and a guideway ring are firstly overlapped up and down and are then arranged in the oil ring trough of the piston from one end of the piston, and the other guideway ring is then arranged in the oil ring trough of the piston from the other end of the piston. When the oil ring is assembled by adopting the method, the lined ring does not go beyond the two guideway rings and generate dislocation with the guideway rings; the whole assembly process is convenient and smooth and has no requirement to adjust the positions of the guideway rings and the lined ring, in particular to be suitable for adopting the mechanical assembly mode, being beneficial for improving the assembly efficiency of the oil ring and reducing the production cost and the labor intensity of the operators.
Description
technical field [0001] The invention relates to an assembly method of engine parts, in particular to an assembly method of an oil ring on an engine piston. Background technique [0002] The piston of motorcycle engine is sleeved with oil ring, and oil ring is made up of two guide rail rings (being guide rail ring A and guide rail ring B, guide rail ring A, guide rail ring B being two identical parts) and being positioned at therebetween. Among them, the guide rail ring has high rigidity and large resilience, while the oil ring is relatively soft, has small stiffness and small resilience. At present, the devices used to assemble the oil ring are the ring installer and the ring installer cup. As shown in the figure, when installing the oil ring, the ring installer and the ring installer cup are used in conjunction with each other. [0003] At present, the method of assembling the oil ring on the piston is to use the ring installer, from the same direction of the piston, accor...
Claims
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IPC IPC(8): B25B27/02B25B27/12B23P19/02
Inventor 张祖庆
Owner CHONGQING ZONGSHEN ENGINE MFG