一种双缸柴油机双顶置凸轮机构
By installing exhaust and intake camshaft assemblies on top of the diesel engine and using chain drive to achieve stable transmission, the problems of diesel engine size and transmission efficiency are solved, and the scavenging efficiency is improved.
CN117703558BActive Publication Date: 2026-07-17HEFEI JIANGHUAI CHAOCHAI POWER CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HEFEI JIANGHUAI CHAOCHAI POWER CO LTD
- Filing Date
- 2023-12-29
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The improper installation position of the intake and exhaust cam assemblies in existing two-cylinder diesel engines results in an increased lateral volume and low transmission efficiency.
Method used
The system employs a double overhead camshaft mechanism, which positions the exhaust camshaft assembly and the intake camshaft assembly at the top of the diesel engine and connects them to the idler gear assembly via a chain drive, thereby achieving stable transmission with the balance shaft assembly and crankshaft assembly.
Benefits of technology
It effectively reduces the lateral volume of the diesel engine, improves transmission efficiency and airflow passage area, increases airflow passage area, and improves ventilation efficiency.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN117703558B_ABST
Abstract
本发明提供一种双缸柴油机双顶置凸轮机构，包括机体，所述机体内部设置有惰齿轮总成、平衡轴总成以及曲轴总成，平衡轴总成分别与惰齿轮总成和曲轴总成之间啮合连接，机体内部设置有两个活塞连杆，两个活塞连杆均设置于曲轴总成顶部，机体顶面设置有密封垫板，密封垫板顶面固定有缸盖，缸盖内部设置有多个挺柱筒，挺柱筒内部插接有液压挺柱，缸盖内部贯穿设置有多组气门组件，气门组件设置于活塞连杆顶部，缸盖内部设置有多组轴针式滚子摇臂总成。本发明通过将排气凸轮轴总成和进气凸轮轴总成设置在双缸柴油机的顶部位置，有效减小发动机横向体积，减小了液压挺柱的传动质量与占用体积，使发动机体积能够更小更轻。
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