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Shaft system thrust plate structure of vertical shaft diesel engine for outboard engine

A technology for diesel engines and outboard engines is applied in the field of vertical shaft diesel engine shafting thrust structures for outboard engines, which can solve the problems of difficulty in controlling the amount of movement of the vertical shaft diesel engine shafting, and achieve high reliability and high anti-burst pressure. Effect

Inactive Publication Date: 2017-11-07
CHINA NORTH ENGINE INST TIANJIN
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  • Abstract
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  • Claims
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Problems solved by technology

[0007] In view of this, the present invention aims to propose a shafting thrust plate structure of a vertical shaft diesel engine for an outboard engine, so as to improve the thrust resistance of the shafting of a vertical shaft internal combustion engine against high burst pressure, and solve the problem of the displacement of the shafting of a vertical shaft diesel engine. Control Difficulty Problems

Method used

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  • Shaft system thrust plate structure of vertical shaft diesel engine for outboard engine
  • Shaft system thrust plate structure of vertical shaft diesel engine for outboard engine

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Embodiment Construction

[0020] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0021] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0022] A shafting thrust plate structure of a vertical shaft diesel engine for an outboard engine, such as figure 1 As shown, it includes a shafting 1, a load-bearing structure 2 and an annular thrust member 3. The connecting boss at the bottom end of the shafting 1 is inserted into the bearing structure 2, and the two side edges of the connecting boss are arranged between the bearing structure 2. The annular thrust member 3. Such as figure 2 As shown, the center of the outer circumference side of the annular thrust member 3 is provided with a circumferentially uniformly distributed oil channel 6 and an annular groove 7, and a lubricating oil passage 4 is provided on the load-bearing ...

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Abstract

The invention provides a shafting thrust structure of a vertical shaft diesel engine for an outboard engine, including a shafting, a load-bearing structure, and an annular thrust; the shafting can be a power output crankshaft, a camshaft, and a balance shaft, which is different from conventional The internal combustion engine is arranged horizontally, and the diesel engine for the outboard engine adopts the vertical arrangement of the shafting, and the shafting thrust is the key technology for the power output of the vertical axis; Under the joint action of lubricating oil, a sliding oil film bearing is formed to meet the thrust requirements of high-load diesel engines. The shafting thrust structure of the vertical shaft diesel engine described in the present invention is applied to the shafting of an internal combustion engine with a higher strengthening coefficient, and solves the problem that the excessive axial movement of the vertical shafting shaft during operation causes the piston movement trajectory to exceed the tolerance requirements, thereby causing parts Damage problem. The thrust structure of the shaft system of the vertical shaft diesel engine in the present invention has the advantages of high compactness, high resistance to explosion pressure, high reliability and the like.

Description

technical field [0001] The invention belongs to the technical field of shafting thrust for vertical shaft internal combustion engines for outboard motors, and in particular relates to a shafting thrust structure for vertical shaft diesel engines for outboard motors. Background technique [0002] An outboard motor is a detachable power device that is suspended on the stern of a boat or boat and can propel the boat or boat to sail. , Suspension device and thruster etc. composition. The outboard motor has the characteristics of compact structure, light weight, easy disassembly, simple operation, low noise, etc. It is suitable for use in inland rivers, lakes and offshore. In the military, it is commonly used on boats, boats and gate bridges for reconnaissance, landing, crossing rivers, patrolling, lifesaving and other tasks. Civil racing boats, yachts, short transport boats and fishing boats can also be used. The internal combustion engines for outboard motors mostly use two-...

Claims

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Application Information

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IPC IPC(8): B63H20/02
CPCB63H20/02
Inventor 陈晋兵董江峰王尚学牛海杰仲蕾王红丽张志军李旭东
Owner CHINA NORTH ENGINE INST TIANJIN
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