A crosshead brass sleeve
A crosshead and copper bushing technology, which is applied in the direction of liquid variable displacement machinery, machines/engines, mechanical equipment, etc., can solve the unreasonable oil supply structure of the crosshead copper bushing, and the friction and wear position between the copper bushing and the crosshead is difficult to enter Lubricating oil, wear and other problems, to ensure normal production and safety, reduce wear and improve the working environment
Active Publication Date: 2021-10-22
丰电金凯威(苏州)压缩机有限公司
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Problems solved by technology
The wider side next to the circumferential oil groove of the outer ring of the copper sleeve is more severely worn than the other side. It can be considered that because the position of the circumferential oil groove is not in the middle of the copper sleeve, the oil supply to the wider side of the circumferential oil groove is insufficient, resulting in Severe wear and tear
That is to say, the oil supply structure of the original copper sleeve of the crosshead is unreasonable, making it difficult for the lubricating oil to enter the friction and wear position between the copper sleeve and the crosshead
Method used
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[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0029] refer to Figure 1-6 , the present invention proposes a crosshead copper sleeve, comprising: a copper sleeve body 1, which is hollow and cylindrical, so that the crosshead pin 2 can penetrate and rotate relative to the axis of the copper sleeve body 1; an inner oil storage tank 11, Set on the inner side of the copper sleeve body 1, it is r...
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The invention relates to a crosshead copper bushing, which comprises a copper bushing body; an inner oil storage tank, which is arranged on the inner side of the copper bushing body, is ring-shaped, and has a predetermined distance from the cross section of the middle part of the copper bushing body; an inner oil storage channel is located in the copper bushing There are a plurality of inner sides of the body, which are distributed in a circular shape on the copper sleeve body, extending from one side of the copper sleeve body to the other side in the axial direction; the number of oil through holes is the same as that of the internal oil storage channel, and the same as the long oil storage channel. The channels are connected; the external oil storage tank is arranged on the outer side of the channel body, which is annular, and communicates with the oil through hole; the external oil storage channel is provided on the outer side of the copper sleeve body, and is formed on the copper sleeve body. Distributed in a circular shape and communicated with the external oil storage tank. The invention forces the lubricating oil to distribute oil evenly according to the direction of the oil storage tank and the oil storage channel, realizes the even distribution of the lubricating oil in the inner and outer holes of the crosshead copper sleeve, improves the working environment of the copper sleeve, and reduces the wear of the copper sleeve. This enables the compressor to run stably for a long time, ensuring normal production and safety.
Description
technical field [0001] The invention relates to the field of copper sleeves, in particular to a crosshead copper sleeve. Background technique [0002] After the diaphragm compressor has been running for a long time, the crosshead pin and the copper sleeve are severely worn, but the middle part of the crosshead pin and the small end bushing of the connecting rod are less worn. The reason is that there is enough lubricating oil from the oil pump. The pressure enables the lubricating oil to enter the crosshead pin smoothly through the oil hole of the crankshaft to the large end of the connecting rod and then to the small end of the connecting rod. There may not be enough lubricant pressure from the pin center hole to the crosshead brass. In addition, there is a gap between the crosshead copper sleeve and the small head bushing, and oil leakage may occur, resulting in insufficient lubricating oil to lubricate the crosshead copper sleeve and the crosshead pin. [0003] The inne...
Claims
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IPC IPC(8): F16C33/10F04B39/02
CPCF04B39/02F16C33/1065F16C2360/00
Inventor 张津恺张艳芷
Owner 丰电金凯威(苏州)压缩机有限公司