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Belt wheel vibration absorber

A technology of pulleys and shock absorbers, which is applied in the direction of belts/chains/gears, springs/shock absorbers, components with teeth, etc., which can solve the problems of inconvenient production and installation, affecting the matching range of products, and easy resonance of diesel engines, etc. problem, achieve the effect of reducing the number of parts, compact structure, and reducing the torsional amplitude

Inactive Publication Date: 2018-01-30
李一波
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  • Abstract
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AI Technical Summary

Problems solved by technology

The shock absorbers currently used in diesel engines are generally rubber shock absorbers, silicone oil shock absorbers, and rubber-silicon oil composite shock absorbers. Generally, the shock absorbers and pulleys on diesel engines are separated, and the pulleys and shock absorbers are separated. , not only the production and installation are inconvenient, but the overall quality is heavy and the cost is high. The split type makes the engine length too long, making the engine not compact, which affects the supporting range of the product, and the diesel engine is prone to resonance at normal speed

Method used

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Embodiment Construction

[0013] The invention discloses a belt pulley shock absorber, which has an inner support plate that can be connected to the crankshaft of a diesel engine. A belt pulley is sheathed on the outer periphery of the inner support plate, and a rubber body is ringed between the inner support plate and the belt pulley. The rubber body is truncated in the axial direction and is roughly V-shaped, and annular cooling grooves are arranged on both sides of the pulley in the axial direction. The invention can effectively shorten the overall length of the diesel engine, expand the supporting range of diesel engine products, facilitate installation and use, reduce the number of spare parts, and reduce the cost. The torsional amplitude is reduced, avoiding resonance at the normal speed of the engine, effectively reducing the noise of the whole machine, and at the same time having the crankshaft front-end drive power output function, with a compact structure.

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Abstract

A belt wheel vibration absorber is provided with an inner supporting plate which can be connected to a diesel engine crankshaft, the periphery of the inner supporting plate is sleeved with a belt wheel, and a rubber body is annularly arranged between the inner supporting plate and the belt wheel. The whole length of a diesel engine can be effectively shortened, the matching range of diesel engineproducts is widened, the belt wheel vibration absorber is convenient to install and use, the part number is decreased, the cost is reduced, the torsional vibration demand of the engine crankshaft canbe met, accordingly the maximum stress of the crankshaft is reduced, the torsion amplitude of a whole crankshaft system is decreased, resonance occurred at common rotary speed of an engine is avoided,and the whole engine noise is effectively reduced. In addition, the resonance has a front-end driving power output function of the crankshaft and is compact in structure.

Description

technical field [0001] The invention relates to a shock absorber, in particular to a pulley shock absorber. Background technique [0002] The pulley is one of the most important parts in the belt transmission mechanism. Compared with traditional automotive passenger car engine damping pulleys, light-duty diesel passenger car engine damping pulleys can be used not only for household car engines, but also for large passenger cars, large trucks, and agricultural vehicles. Light weight, enhanced engine power, reduced fuel consumption and other advantages. The shock absorbers currently used in diesel engines are generally rubber shock absorbers, silicone oil shock absorbers, and rubber-silicon oil composite shock absorbers. Generally, the shock absorbers and pulleys on diesel engines are separated, and the pulleys and shock absorbers are separated. , not only inconvenient production and installation, but also heavy overall quality and high cost. The split type makes the engine ...

Claims

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Application Information

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IPC IPC(8): F16H55/36F16F15/124F16H57/04
Inventor 李一波
Owner 李一波
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