计算和分析表明，由于动臂油缸的两端与机架和动臂一起倾斜，支撑宽度太小，装配调整间隙不合适或侧面磨损严重且支撑宽度大而使活塞杆弯曲。表示需要增加。气缸底部的沉积物积聚和动臂气缸底部的磨损表明，严重的沉积物积聚和高旋转摩擦。

The calculation and analysis show that the piston rod is bent because the two ends of the boom cylinder are inclined with the frame and boom, the support width is too small, the assembly adjustment clearance is inappropriate, or the side wear is serious and the support width is large. Indicates that it needs to be added. Sediment accumulation at the bottom of the cylinder and wear at the bottom of the boom cylinder indicate severe sediment accumulation and high rotational friction.

以下是补救措施：

The following are remedial measures:

1.增加支撑宽度支撑宽度通常是活塞杆直径的1.2到1.5倍。\

1. Increase the support width, which is usually 1.2 to 1.5 times the diameter of the piston rod.

2.在组装过程中，请充分利用调节垫，以确保动臂油缸两端与机架和动臂之间的间隙和对齐，并提高调节垫材料的耐磨性。

2. During assembly, please make full use of the adjusting pad to ensure the clearance and alignment between the two ends of the boom cylinder and the frame and boom, and improve the wear resistance of the adjusting pad material.

3.改善出料结构，增加出料板的开度H1和倾斜角度α，减少毛坯堆积，促进物料的顺畅排出；增加动臂油缸下端向主机的出料量。距离H2是为了促进大石头的排出。

3. Improve the discharge structure and increase the opening H1 and inclination angle of the discharge plate α， Reduce blank accumulation and promote smooth discharge of materials; Increase the discharge from the lower end of the boom cylinder to the main engine. The distance H2 is to promote the discharge of large stones.

4.说明手册规定了定期积聚的物料的要求。改进后，活塞杆不再弯曲。

4. The instruction manual specifies the requirements for periodic removal of accumulated materials. After improvement, the piston rod is no longer bent.

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