Train side wind wing

A technology of fixed wind wing and side wind, which is applied in the field of fixed wind wing of trains, can solve the problems of not ensuring the intrinsic safety of trains running in windy areas, and achieve the effect of simple structure, low cost and easy transformation

Inactive Publication Date: 2008-01-16
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

Therefore, these measures have not reached the intr

Method used

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  • Train side wind wing

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Embodiment Construction

[0010] Accompanying drawing is an embodiment of the present invention for passenger train vehicle.

[0011] Referring to Fig. 1 and Fig. 2, the wing profile of fixed wind wing 1 is similar to an upside-down aircraft wing (in this example, it is a single structure, and it can also be a combined structure), its upper arc is close to a straight line, and the lower arc is a disturbance. Flow curve with angle of attack α. A row of fixed wind wings 1 are respectively installed on the left and right sides of the top of the car body 2, the angle of attack α is adjustable, and the height can be raised and lowered to ensure that the fixed wind wings 1 obtain sufficient negative lift under the action of strong crosswind.

[0012] According to the wind direction situation of the up, down and running areas of the train, the fixed wind wing 1 on the windward side is raised, and the fixed wind wing 1 on the leeward side is adjusted to be close to the top of the car body 2 .

[0013] When th...

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Abstract

Disclosed is a train crosswind subsiding wing which can resist strong crosswind. The section of the crosswind subsiding wing resembles an inverted airplane wing and is arranged to have a proper incidence angle. The crosswind subsiding wings are mounted at the top of the train, one at the windward side and one at the leeward side, and the incidence angle and the height are adjustable. According to the running state of the train and the direction of the wind, the crosswind subsiding wing at the windward side is raised and the crosswind subsiding wing at the leeward side is adjusted to cling to the top of the train. In the case that the train encounters strong crosswind, the crosswind subsiding wing will have negative lift force opposite in direction with the lift force of an airplane wing, and additional pressure and relative force moment which is opposite in direction with the overturning moment of the train, will be generated at the windward side of the train, ensuring that the train body and the steering bogie maintain a good pressed-pillared connection condition, and balancing the overturning moment of the train, so the train does not lose balance, reaching the purpose that the train does not overturn when strong crosswind exists and ensuring the intrinsic safety of the train.

Description

Technical field [0001] The invention belongs to the train body technology, and in particular relates to a train fixed wing against strong side wind. Background technique [0002] At present, the known anti-sidewind measures of medium and low-speed trains focus on the internal structure of the vehicle, such as increasing the lateral stiffness and angular stiffness of the vehicle spring suspension device and reducing the height of the center of gravity of the vehicle body, without considering the lateral direction of the vehicle body. Gas dynamic properties. Even if some are considered, they are only minor improvements on the outer profile of the cross-section of the vehicle, which cannot play a fundamental role in resisting crosswinds. Finally, the safety of the train is guaranteed by slowing down or stopping in case of strong wind. But statistics show that trains are equally likely to capsize due to strong crosswinds at low speeds. Therefore, these measures have not reache...

Claims

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Application Information

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IPC IPC(8): B61D17/02
CPCY02T30/32Y02T30/00
Inventor 周斌施富强
Owner SOUTHWEST JIAOTONG UNIV
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