ریل روڈ سوئچ ٹرن آؤٹ

Railroad switch turnout includes single turnout, متناسب ٹرن آؤٹ, triple turnout, intersection switch, crossover, diamond crossing and track switch.

Composition of single turnout:
Switch part: stock rail, switch rail and switch machinery.
Frog and guard rail: frog core, wing rail and guard rail.
Connecting part: straight rail and curved rail.

متناسب ٹرن آؤٹ

Frog:
High manganese steel integral casting Frog: the main material of the frog is high manganese alloy steel, which is used to cast the wing rail and the center rail into one body. It has the advantages of long service life, few parts, solid structure, and can always keep the correct flange groove and control size, so as to improve the stability and safety of the driving.
Movable core rail frog: use the core rail to swing and close to the wing rail to eliminate harmful space.

Turnout Frog

The straight rail of the frog is not equipped with guard rail, and the core rail is close to the wing rail, so that the track line is continuous, avoiding the impact of the wheel on the wing rail and the core rail, and greatly improving the speed of the train passing through the turnout.
As the usage, Railroad switch turnout has the kinds of Single (simple) ٹرن آؤٹ, Equilateral turnout, Compound turnout, Crossover turnout and Combined turnout.
As the different sleeper, Railroad switch turnout has the kind of Wooden sleeper turnout and Concrete sleeper turnout.

Regulations for selection of Railroad switch turnout number:
1. The direct passing speed of the train at the main line turnout shall not be less than the design running speed of railroad.
2. In the section where the direct passing speed of the train is 100-160km/m, the turnout of the main line shall not be less than No.12. Under difficult conditions, نہيں. 9 can be adopted for stations in reconstructed sections and above.
3. In the section where the direct passing speed of the train is less than 100km/h, the main line turnout of the passing station, overtaking station and intermediate station receiving and departing the train laterally shall not be less than No.12, and No. 9 can be used for other stations and rail lines.
4. نہيں. 18 single turnout shall be adopted for the train with lateral passing speed greater than 50km/h but not greater than 80km/h.
5. The lateral passing speed of the train shall not be greater than 50km/m for single turnout, and shall not be less than No.12.
6. The turnout for receiving and departing passenger trains on the side shall not be less than No.12. Under difficult conditions, نان مین لائن پر مسافر ٹرینوں کو وصول کرنے اور چھوڑنے کے لئے ٹرن آؤٹ نہیں ہوسکتا ہے۔. 9 متناسب ٹرن آؤٹ.
7. 160 کلومیٹر فی گھنٹہ اور اس سے زیادہ کی ٹرین گزرنے کی رفتار کے ساتھ لائن کے لئے منقولہ مرکز ریل سنگل ٹرن آؤٹ اپنایا جائے گا۔.
8. The turnout with the direct passing speed of the train greater than 120km/h shall adopt the transfer external locking device.
9. Railroad switch turnout with concrete sleepers shall be adopted for the main line with design running speed of more than 120km/h; مین لائن اور اسٹیشن ٹریک کے لئے 120 کلومیٹر فی گھنٹہ اور اس سے کم کی ڈیزائن رننگ اسپیڈ کے ساتھ, ٹھوس سلیپرز کے ساتھ ٹرن آؤٹ کو ترجیح دی جانی چاہئے.
نوٹ: اے ٹی ٹریک سوئچ ایک سوئچ ہے جو کم پروفائل خصوصی سیکشن ریل سے بنا ہے, اور منقولہ جوڑ کو ختم کر دیا جاتا ہے.

Crossover turnout