![]() But the dog spike has a pointed penetrating head. Just like a cut spike, the dog spike is also square in horizontal section. Among the rail spikes in the market, the dog spike is the widely use one. In general, the attachment is made as strong as possible when attaching tie plates. As to the main function of rail spike, it is mainly used to keep the correct position of gauge. The common size of rail spike varies from 9in to 10/16in square, to 5.5in to 6in long. Later in 1982, the spike became the common rail fasteners and until now, it is still the most common rail fasteners in North America. On the basis of using heavy and expensive cast iron chairs to secure T-shaped rails in that period, Stevens added a supporting base to the T rail which could be fixed with a simple spike. The railway spike was invented with the influence of the state of industrialisation in the US in the early 19th century. ![]() In the past days, the rail spikes were driven into sleepers with a heavy hammer by hand. In 1832, Robert Livingston Stevens invented the first railroad spike and it is the first record use of the railroad spike. The railroad spike, with an offset head, is mostly used to secure rails and base plates to railroad ties in the track. They are assembled with other components as independent units, which can be fixed as a whole and can also offer under controlled vertical, longitudinal, and transverse forces to avoid excessive displacement. In the current time, there are various types of railway fasteners in the global market, such as some widely and mainly used railway fasteners: VOSSLOH W type in Germany, FAST CLIP in UK, STEDEF NABLA fastener, PANDROL E type fastener, pr type fastener, and RN fastener in France. What’s more, the good elasticity and insulating property also help rail fasteners do well in gauge adjusting. And it is also used to fix the correct position of tracks to prevent the horizontal and vertical displacement as well as the rollover. It can ensure the operation of rail transportation through connecting track rails with rail ties and rail sleepers. So if the quality of the railway fish plate is poor, the caused consequence would be unimaginable.Īmong the components of rail track, the railroad fasteners are an important part. The railway fish plate is an important connection between two rails. And every two fish plates mostly need four or six suits of fish bolt. It is consist of fish bolt, flat washer and spring washer. In general, fish bolts are always firstly chosen in the part of fastening. It is mostly used in light rail, heavy rail and crane rail. kegs.Railway fish plate, also called rail joint bar or splice bar, is a metal bar bolted to the ends of two rails to join them together. The specifications of common track spikes are the 5/8”*6” and the 9/16”*5-1/2” for smaller rail sections, and they are usually packaged in either 200 lb. Dog spike is mainly be used in North America now. Together with rail tie plate, dog spike is driven deeply into the wooden sleeper through the hole on the tie plate, in order to achieve the purpose of fixing steel rail. The main function of the spike is to keep the rail in gauge. A dog spike is functionally equivalent to a railroad spike and is also square in horizontal section and of similar dimensions but has a pointed penetrating head, and the rail (or "plate holding") head has two lugs on either side (which aid spike removal) giving the impression of a dog's head. Maybe its L-shaped head is the resemblance to a dog’s head. Why is it called dog spike by people, too? The wedge is driven into the tie across the grain, that is, parallel to the track. The bottom of its head is sloped to match the slope of the flange of a rail. It has an L-shaped head and a square shank. Track spike, also named railroad spike or dog spike, is used to fasten T-shaped railroad track to wooden railroad ties. It is usually used in wooden structure railway fastening system. Dog spike is a spike with head square or round top, bottom fro square wedge nail.
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