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Stepless adjusting quasi zero rigidity center hanging device

A technology of quasi-zero stiffness and stepless adjustment, which is applied in the direction of the device for lateral relative movement between the undercarriage and the bogie, to achieve good low-frequency vibration isolation and damping performance, improve low-frequency vibration isolation and damping performance, and improve comfort sexual effect

Pending Publication Date: 2017-11-17
JIANGSU RAILTECO EQUIP CO LTD
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AI Technical Summary

Problems solved by technology

[0004] The main technical problem to be solved by the present invention is to provide a stepless adjustment quasi-zero stiffness central suspension device, which solves the problem of low-frequency vibration isolation and vibration reduction of the bogie, and improves the comfort of the vehicle

Method used

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  • Stepless adjusting quasi zero rigidity center hanging device

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] see figure 1 , the embodiment of the present invention includes:

[0016] A central suspension device with stepless adjustment of quasi-zero stiffness, installed between the car body 10 and the bogie, including: vertical spring 3, transverse spring 7, hydraulic shock absorber 2, vertical displacement sensor 8, control device 5 and The hydraulic actuator 4, the bogie includes a U-shaped side beam 1, the vertical spring 3 and the hydraulic shock absorber 2 are vertically arranged in the U-shaped side beam 1, an...

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Abstract

The invention discloses a stepless adjusting quasi zero rigidity center hanging device. The stepless adjusting quasi zero rigidity center hanging device comprises vertical springs, transverse springs, a hydraulic shock absorber, a vertical displacement sensor, a control device and a hydraulic executer. A bogie comprises a U-shaped side beam. A vehicle body connecting piece connected with the tops of the vertical springs and the hydraulic shock absorber is arranged at the bottom of a vehicle body. Spring connecting bases are arranged on the two side walls of the U-shaped side beam correspondingly. The transverse springs are connected between the spring connecting bases and the vehicle body connecting piece correspondingly. A telescopic rod of the hydraulic executer vertically points at the lower portion and is connected with the spring connecting bases. The vertical displacement sensor is arranged on the vehicle body connecting piece. By means of the above manner and the stepless adjusting quasi zero rigidity center hanging device, low-frequency vibration isolating and reducing performance is improved, the vibration isolating and damping frequency range is enlarged, meanwhile, it is guaranteed that a vehicle has good low-frequency vibration isolating and reducing performance under different loads, and the comfort degree of the vehicle is improved.

Description

technical field [0001] The invention relates to the field of railway vehicles, in particular to a central suspension device for stepless adjustment of quasi-zero stiffness. Background technique [0002] The central suspension device of the railway vehicle bogie is installed between the car body and the bogie, which mainly plays the role of vibration reduction and vibration isolation, and improves the comfort of the vehicle. At present, the central suspension device of the railway vehicle bogie generally adopts steel springs, air springs or rubber springs. . [0003] The central suspension devices of railway vehicle bogies composed of steel springs, air springs or rubber springs have more or less poor low-frequency vibration isolation and damping performance, and the adaptability of vibration isolation and damping performance to vehicle load changes Poor, reduces the comfort of the vehicle, difficult to adjust, needs improvement. Contents of the invention [0004] The mai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61F5/06B61F5/12
CPCB61F5/06B61F5/12
Inventor 赵增闯张得荣
Owner JIANGSU RAILTECO EQUIP CO LTD
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