One new type of internal combustion oil hydraulic power system was put forward, which integrated the technologies of internal combustion engine and oil plunger pump.

提出了一种新型内燃式油压动力系统，该系统集成了内燃机与柱塞式液压泵技术。

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It is composed of open type engine body, hydraulic power cylinder, upper pressure head, and lower type box. The type box can be collocated with manual four-positions renewal.

有开式机身、液压动力缸、上压头、下字盒等组成。下字盒可配手动四位根据用户要求更换。

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The reliability of main bearing and connecting rod large end bearing for 12V240ZJ diesel engine whose power has been increased up to the E type grade was analyzed.

对12V240ZJ型柴油机进一步强化后，主轴承和连杆大端轴承的可靠性进行了分析计算。

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