rail tank car

Abstract

The invention provides a railway tank car. The railway tank car of the present invention comprises: a bogie, an underframe, an end support and a stop device; the underframe is fixed on the top surface of the bogie; the end support includes a support seat, and is arranged above the support seat and fixed with the support seat Connected support frame; one side of the support frame is used to support the tank body, and the support seat and the bottom frame are fixedly connected by bolts; the stopper device includes a first baffle plate; the first baffle plate is arranged on the side of the support frame away from the tank body, And it is fixedly connected with the bottom frame; the support frame is provided with a matching part toward the first baffle, and the matching gap between the matching part and the first baffle is smaller than the distance between the support seat and the first baffle. The railway tank car of the present invention resists the thermal expansion and deformation movement of the end support and the tank body relative to the bottom frame through the cooperation of the first baffle plate of the stopper device and the matching part of the end support, so as to avoid connecting the end support and the bottom frame The bolts are broken by shearing.

Description

technical field [0001] The invention relates to the technical field of railway vehicles, in particular to a railway tank car. Background technique [0002] Tanker is a tank-shaped vehicle that is often used to transport various liquid and powder goods. Tanker transportation plays an important role in transportation because of its high efficiency and high safety. Among them, when transporting liquids such as highly corrosive and oxidizing strong acids, aluminum tank trucks are generally used for transportation. [0003] The tank body of the existing aluminum tank car is made of pure aluminum, and the end of the tank body is provided with an end support, and the end support is fixed on the vehicle chassis by bolts. The end brackets are generally made of aluminum alloy, while the vehicle underframe is usually made of steel. [0004] Due to the different expansion coefficients of pure aluminum, aluminum alloy and steel, when the external temperature changes, the deformation be...

AI Technical Summary

Problems solved by technology

[0004] Due to the different expansion coefficients of pure aluminum, aluminum alloy and steel, when the external temperature changes, the deformation between the pure aluminum tank body, the end support of aluminum alloy and the steel vehicle chassis is different. Body, aluminum alloy end support and steel vehicle underframe are constrained to produce different thermal stresses, and a large relative movement occurs between the end support and the vehicle underframe, so that the connection between the two The bolts were broken under the action of shear force, causing the tank body to fall off, which seriously affected the transportation safety

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