A railroad frog is a device that helps the wheels rolling from one track to another. It is also called the “common crossing”. As a part of the railroad switch, it takes the area where two rails cross. Crossing nose and wing rails are main parts of the frog.

The frog (left) and guard rail (right) of a switch. The crossing is the component that enables passage of wheels on either route through the turnout. It can be assembled out of several appropriately cut and bent pieces of rail or can be a single casting of manganese steel.

So how exactly are railroad frogs used and what makes them special? A railroad frog is a piece that allows trains to cross tracks without disrupting traffic from other trains. Essentially, they allow trains to transition smoothly to their own track without ending up in the set they are crossing.

A flange-bearing frog, often abbreviated FBF, is a type of frog in which the flange of the wheel on a railway vehicle supports the weight of the vehicle. In conventional practice, the tread of the wheel rests on the head of the rail and bears the weight of the vehicle, while the flange is used to keep the vehicle in the gauge of the track .

L.B. Foster Company can deliver a wide variety of frog and switch materials that meet every track requirement from light, medium, to heavy traffic. Our warehouses, located throughout the U.S., offer shipments of light, standard and heavy tee rail sections, crane rail, frog and switch material, tee rail accessories and tools. Turnout Package

Railroad frog is a kind of equipment that makes the train wheels across from one track to another. Railroad frog consists of fork, wing rail and connecting pars. Railroad frog by structure type can be divided into fixed frog and activities frog, according to plane forms can be divided into two categories, straight line frog and curve frog.

Progress Rail has designed an innovative turnout Lift Frog to be used in low-volume sidings. Ideal heavy haul applications include a set-out track or little-used siding, such as seasonal grain elevator usage. Transit applications include emergency crossovers.

Railway frog is an important part of the rail switch (rail turnout) and the intersection of two railway lines. Whether a railway train can safely cross from one railway to another, the railway frog plays a vital role.

2022年1月20日 · A: Flange-bearing frogs, also known as lift frogs, jump frogs, or more colloquially leap frogs, are used on switches or diamonds where the main route sees far more traffic than the secondary. On a traditional tread-bearing frog, the flangeways – gaps in the rail – allow the routes to cross over each other, producing that “clickity-clack ...

Railway frog is an important key component of turnout, it is necessary to lay focus on explanation. Railway frog consists of two point rails, two wing rails, two guard rail (also named check rail), tie plate, blocks, other accessories and etc.