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Crankshaft damping and decoupling belt pulley assembly

A pulley, crankshaft technology, applied in the direction of belt/chain/gear, element with teeth, spring/shock absorber, etc., can solve the problem of high cost, achieve the effect of low cost, comprehensive cost reduction, and increase reliability

Pending Publication Date: 2022-03-25
常州数加机械有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The spring damping shock absorber has good vibration reduction performance, but the cost is high, and it is mostly used on large marine engines

Method used

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  • Crankshaft damping and decoupling belt pulley assembly
  • Crankshaft damping and decoupling belt pulley assembly
  • Crankshaft damping and decoupling belt pulley assembly

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Embodiment Construction

[0026] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0027] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected ...

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Abstract

The invention relates to a crankshaft damping and decoupling belt pulley assembly, which belongs to the technical field of vehicle parts, is a combination of an internal combustion engine crankshaft torsion damper and a front end wheel train crankshaft decoupling belt pulley, is used for transmitting torque between a belt pulley and a transmission shaft, and comprises a mandrel and the belt pulley, the belt wheel and the mandrel are connected and matched to form an accommodating space; the bearing is positioned between the core shaft and the belt wheel and is used for supporting the core shaft and the belt wheel; the decoupler is located in a containing space formed by the mandrel and the belt wheel; the right end of the mandrel is connected with the crankshaft, the periphery of the mandrel is connected with the bearing and the decoupler, and the inner periphery of the belt wheel is connected with the bearing and the decoupler; and the torsion damper is positioned between the decoupling belt pulley and the crankshaft.

Description

technical field [0001] The invention relates to a vehicle component, in particular to an assembly of an internal combustion engine crankshaft torsional shock absorber and a front end train crankshaft decoupling pulley. Background technique [0002] During the operation of the engine crankshaft, due to the specific working condition of each cylinder at a certain rotation angle and taking turns to do work, the engine crankshaft has torque and speed fluctuations during operation. This phenomenon will lead to two results: 1. The speed fluctuation transmitted by the crankshaft to the front-end gear train causes belt slippage, belt vibration and excessive swing of the tensioner, as well as unstable speed of the belt driven accessories, resulting in NVH (vibration, noise and unevenness) and various gear train problems. Early failure of components; 2. The torsional vibration of the crankshaft shaft system not only causes the engine to work unstable, but also causes the crankshaft it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/36F16H57/00F16F15/14F16F15/123
CPCF16H55/36F16H57/00F16F15/14F16F15/1232
Inventor 刘增岗
Owner 常州数加机械有限公司
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