Composite sleeper with insulation skirt edges

Abstract

The invention provides a composite sleeper with insulation skirt edges. The composite sleeper is characterized in that a sleeper body and filling parts are included, a plurality of through holes are formed in the sleeper body in the length direction, and the filling parts are arranged in the through holes; the downwards-bent insulation skirt edges are arranged around the sleeper body, and an outwards-protruding pull-out preventing inclined face is arranged on the lower portion of the sleeper body. Insulation skirts are arranged around the outer portion of the sleeper, and made of materials identical to those of the body, and the insulation skirts and the body are formed in a mold together. Due to the fact that creepage and electric leakage happening to the outer surface of a traditional sleeper are caused by dirt which falls and is deposited on the surface of the sleeper, the insulation skirt edges are bent downwards, grooves are formed by the insulation skirt edges and the side faces of the sleeper, the downward grooves can effectively prevent the dirt from being stacked in the grooves, a creepage path is blocked, and a barrier for generating stray currents is formed by the insulation skirt edges and the body with excellent insulation performance together.

Description

technical field [0001] The invention relates to equipment used in railways, bridges and the like, in particular to a composite material sleeper with an insulating skirt. Background technique [0002] The sleeper not only supports the rail, but also maintains the position of the rail, and also transmits the huge pressure transmitted by the rail to the track bed. It must have a certain degree of flexibility and elasticity. When the train passes, it can be properly deformed to buffer the pressure, but it is required to restore the original shape as much as possible after the train passes. The vibration of high-speed trains also has a certain impact on nearby construction projects and buildings. [0003] Traditionally used railway sleepers (also known as sleepers) are generally wooden sleepers and concrete sleepers. Because concrete sleepers are heavy, poor in elasticity and vibration damping, they cannot be used as bridge sleepers, so wooden sleepers are usually used as bridg...

AI Technical Summary

Problems solved by technology

[0006] The economic losses caused by stray currents to the society are huge. In order to reduce stray currents, relevant departments have adopted long steel rails with low impedance, point supports for running rails, reduced contact surfaces between rails and the ground, and set up stray current collection nets. Insulation and other measures are taken between the rail concrete soft pillows, but since the insulation resistance of the rails to the ground cannot be infinite, there will still be potential differences and stray currents

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