A track-friendly anti-snaking oil shock absorber and its parameter design method

Abstract

The invention provides a track-friendly anti-snake oil pressure shock absorber, which includes a connecting piece at the end of a piston rod, a dust cover, a rubber dust cover, a dust ring, an inner screw cover, a skeleton oil seal, an outer screw cover, Guide end seal, guide assembly, guide exhaust plate, pressure cylinder, piston-piston rod assembly, oil storage cylinder assembly, hydraulic oil, foot valve assembly, pressure cylinder gasket, foot valve gasket, guide Oil plate assembly, small magnet and oil return assembly. Since the inner wall of the pressure cylinder of the oil pressure shock absorber has symmetrical bypass damping grooves on both sides of its central area, when the train passes through a curve, the position between the bogie and the car body changes, the oil pressure decreases. The vibrator has an adaptive damping function, which can effectively reduce the force and wear of the wheel and rail. The invention avoids the disadvantages of complex system, poor reliability and real-time performance, high cost and difficult maintenance of the active control type anti-snaking oil pressure shock absorber, and achieves the effect of not only having the function of variable damping coefficient, but also being safe and reliable. A low damping parameter design method of the track-friendly anti-snaking oil pressure shock absorber is also provided.

Description

technical field [0001] The invention relates to an anti-snake oil pressure shock absorber capable of effectively reducing the force and wear of railway locomotives and vehicles, especially high-speed rail wheels and rails, and a parameter design method thereof, belonging to the technical field of design and manufacture of rail transit equipment and hydraulic dampers. Background technique [0002] The anti-snaking hydraulic shock absorber is the damping part of the high-speed railway rolling stock, which plays an important role in the stability and comfort of the rolling stock. When the train is running on a straight track, the anti-snaking oil pressure shock absorber is required to have a large damping coefficient to improve the stability of the train's snaking motion; The damping coefficient of the device is very small or zero, so as to reduce the force and wear of the lateral movement of the wheel and rail. Since the damping characteristics of conventional anti-snaking oi...

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Problems solved by technology

[0005] In order to effectively reduce the force and wear of modern railway locomotives, especially high-speed rail wheels and rails, and at the same time avoid the disadvantages of active control anti-snake oil pressure shock absorber system complexity, poor reliability and real-time performance, high cost and difficult maintenance, it is necessary Invented a safe and reliable anti-snaking hydraulic shock absorber product with variable damping coefficient function, and provided specific parameter design methods for this type of product

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