沼氣發(fā)電機(jī)組的操作,如果連桿扭曲,這將改變活塞銷的線和曲軸線的平行度和垂直度的氣缸,活塞在氣缸中間前后傾斜和間隙,導(dǎo)致活塞連桿組偏心磨損,加速磨損部件的過程中,嚴(yán)重時(shí)產(chǎn)生缸在沼氣發(fā)電模式操作,如果連桿扭曲,將改變活塞銷的線和曲軸線的平行度和垂直度的氣缸,活塞在氣缸中間前后傾斜和間隙,導(dǎo)致活塞連桿組偏心磨損,加速磨損部件的過程中,嚴(yán)重的會(huì)產(chǎn)生拉缸,以下是介紹沼氣發(fā)電機(jī)組機(jī)測(cè)試桿變形的方法:

　　In the operation of biogas generator set, if the connecting rod is twisted, it will change the parallelism and perpendicularity of the center line of piston pin and the cylinder of crankshaft center line. The piston will tilt back and forth in the middle of the cylinder and the clearance will cause eccentric wear of the piston connecting rod set. In the process of accelerating wear of components, the cylinder will be operated in biogas generator mode when it is severe. If the connecting rod is twisted, it will change the center line of piston pin and the cylinder of crankshaft The parallelism and perpendicularity of the center line of the cylinder and the front and back inclination and clearance of the piston in the middle of the cylinder lead to the eccentric wear of the piston connecting rod group. In the process of accelerating the wear of the components, the cylinder pulling will occur seriously. The following is the method to introduce the deformation of the test rod of the biogas generator set:

　　(1)清洗活塞、活塞環(huán)和氣缸后，將無活塞環(huán)的活塞連桿裝進(jìn)氣缸，按規(guī)定扭矩?cái)Q緊連桿螺栓。

　　(1) After cleaning the piston, piston ring and cylinder, install the piston connecting rod without piston ring into the cylinder, and tighten the connecting rod bolts according to the specified torque.

　　(2)將曲軸轉(zhuǎn)動(dòng)幾次，使活塞連桿處于自由狀態(tài)。連桿小頭兩側(cè)與活塞銷座孔之間的距離不得小于1mm。

　　(2) Turn the crankshaft several times so that the piston rod is free. The distance between the two sides of the connecting rod small end and the piston pin seat hole shall not be less than 1mm.

　　(3)轉(zhuǎn)動(dòng)曲軸使活塞在氣缸的中間。檢查活塞頂前后端間隙差不大于0.10mm。若大于0.10mm，則連桿變形?；钊?上下停止點(diǎn)間隙也應(yīng)該是一樣的,如果離開上下停止點(diǎn)間隙差距逐漸增加,中間位置的活塞旅行間隙差別較大,在活塞的往復(fù)運(yùn)動(dòng)也改變的方向偏轉(zhuǎn),這表明必須有連桿的失真。

　　(3) Turn the crankshaft so that the piston is in the middle of the cylinder. Check that the clearance difference between the front and rear ends of the piston crown is not more than 0.10 mm. If it is more than 0.10 mm, the connecting rod is deformed. The clearance between the upper and lower stop points of the piston cylinder should be the same. If the gap between the upper and lower stop points increases gradually, the travel clearance of the piston in the middle position will vary greatly, and the direction of the reciprocating movement of the piston will also change, which indicates that there must be distortion of the connecting rod.

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