Chairs in Railway Track
Rail chair consist of 2 jaws and a rail seat. Web of rail is held in inner jaw of chair and a rail key is driven between rail and jaw of chair. Since the left and right jaw of the chairs are asymmetrically designed, it is necessary to insert a rail key on one side of the rail for reinforcement. The chairs in railway track are designed with three reinforcement holes, two on one side and one on the other side. Need to insert dog spikes or screws into the holes for reinforcement.
The function of the chairs in railway is similar to that of the iron tie plate in the ordinary rail fastening system, and both can support and fix the rail. The rail chair is installed between the rail sleepers and the rails, fixed with screws, and locked with a steel key. The train passes on the track, and the chair distributes the load from the train from the rail to the railway sleepers, so as to achieve uniform force.
Keys in Railway Track
The keys in railway is an important part used with the rail chair. The material of the key can be wood or metal. The shape of rail wooden keys is generally straight, while the shape of Panlock Keys and spring steel keys is a special curved shape similar to the letter W.
Types of Chairs and Keys in Railway for Sale
1.Panlock Keys
Panlock Keys, also known as Steel Panlock Keys, are used in the gap between the rail and the jaw on one side of the rail chair. With the reinforcement of Panlock Keys, the contact between the rail and the chair will be more closely, and the chance of the rail shaking will be less.
Panlock Keys for bull headed rail is the hot sale product of Buckler Railway. As an experienced Panlock Key manufacturer, our products have been shipped to the UK, EU and other places many times. Our factory has standard molds of Panlock Keys for cast iron rail chair, which can start production at any time, with large output and fast delivery, which can meet the needs of mass order production.
Our standard Panlock Key is made of 5mm spring steel, which meets the British standard BS427. Its vickers diamond hardness is 370±30. The outer layer of Panlock Key is coated with red anti-rust paint, which can also be customized according to customer needs.
95lb BH Panlock Key Specification
Material: spring steel
Stock Thickness: 5mm
Standard: British standard BS427
Vickers Diamond Hardness: 370 ±30
2.Spring Steel Keys
AGICO also have spring steel keys for cast iron rail chair. The spring steel key is also made of spring steel. Compared with rail wooden keys, although spring steel keys are slightly more expensive, they have a longer service life, ten times longer than wooden keys. Spring steel keys are more corrosion resistant and more popular.
