Air cylinder overhauling structure with piston ring convenient to replace and using method of air cylinder overhauling structure
A technology for easy replacement of piston rings, applied in the field of straight cylinder type cylinders, can solve the problems of frequent replacement of piston rings in engines, adverse effects of engine power density, difficulty in replacement of piston rings in serial cylinders, etc., to reduce the workload of equipment maintenance and facilitate The effect of service life and flexible replacement
Active Publication Date: 2022-03-01
BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENG +1
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Problems solved by technology
[0009] The technical problem to be solved is: it is difficult to replace the piston rings of the current tandem cylinders, and because the engine replaces the piston rings relatively frequently, this has an adverse effect on the use of tandem cylinders to increase the power density of the engine
Method used
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[0033] Such as Figure 1-2 As shown, a cylinder maintenance structure for easy replacement of piston rings is used to facilitate the replacement of piston rings 3 in serial cylinders; it includes a maintenance port set between two adjacent pistons 2 on the cylinder wall 1 of serial cylinders, each Each inspection port group includes one inspection port 11 or a plurality of inspection ports 11 arranged at intervals along the circumferential direction of the cylinder, and the inspection port 11 is located between the dead centers of two adjacent pistons 2 .
[0034] The piston 2 cannot pass through the inspection port 11 when it is working, otherwise it will leak. Therefore, the position of the piston 2 inspection port 11 is strictly limited here. It is located outside the stroke of the piston 2, that is, it is set between two adjacent dead centers , and the two dead centers also belong to two adjacent pistons 2 respectively.
[0035] Among the pistons 2, the pistons 2 that are...
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The invention relates to the technical field of straight cylinder type cylinders, and discloses a cylinder maintenance structure convenient for replacing piston rings and a use method thereof, which are used for conveniently replacing the piston rings in series cylinders. Comprising an access hole group formed between two adjacent pistons on the cylinder wall of the series-connection air cylinder, each access hole group comprises an access hole or a plurality of access holes formed in the circumferential direction of the air cylinder at intervals, and the access holes are located between dead points of the two adjacent pistons; in all the pistons, the pistons not located at the two ends of the air cylinder connected in series are marked as difficult-to-disassemble pistons, each difficult-to-disassemble piston is adjacent to at least one access hole set, and piston rings of all the difficult-to-disassemble pistons are detachably anchored to the end faces, close to the access hole sets, of the difficult-to-disassemble pistons respectively. According to the invention, the piston ring is replaced through the access hole formed in the side surface of the cylinder, so that the piston ring is flexibly detached and replaced, the piston does not need to be taken out from the cylinder when the piston ring is replaced, the equipment maintenance workload is reduced, and obstacles on a road for improving the power density of an engine by adopting series cylinders are eliminated.
Description
technical field [0001] The invention relates to the technical field of straight cylinder type cylinders, in particular to a cylinder maintenance structure for convenient replacement of piston rings and a use method thereof. Background technique [0002] The tandem cylinder, that is, the cylinder with multiple pistons connected in series on one piston rod, has the advantage of being able to obtain an output power proportional to the effective area of multiple pistons. The same as the general cylinder, the piston in the series cylinder also has a piston ring. The piston ring generally includes a gas ring for sealing. oil ring. [0003] For tandem cylinders, the biggest problem is the replacement of piston rings. The piston rings of the pistons located at both ends of the cylinder are easy to replace, but the piston rings located in the middle need to pull out the entire row of pistons to complete the replacement, which greatly exceeds the stroke of all pistons, so a large ...
Claims
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IPC IPC(8): F02F1/18F02F3/00F16J9/20
CPCF02F1/18F02F3/0015F02F5/00
Inventor 王利赵晶王一杰宗颖
Owner BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENG