Telephone blocking operation flow

The operation process of telephone blocking method is as follows:

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2. Check and confirm the starting route and turnout track circuit. Check and confirm the turnout before departure. When it is necessary to manually prepare the route, prepare the spare parts for driving and wear the labor protection articles ordered.

3. Take tools, wear labor protection articles and stand by in the library DCC. Communicate verbal dispatching commands to electric bus drivers and relevant driving precautions. Contact Qingdao North Railway Station for blocking procedures.

Remarks: Drivers should stop in strict accordance with the train dispatching instructions, report the train position in accordance with the train dispatching instructions, and stop in the section in strict accordance with the train dispatching instructions. Contact the backstage of Qingdao North Railway Station and make a good report. The front desk attendant carries spare parts: circuit diagram, hook lock, hook lock and key, wrench, red flash, signal lamp/flag, flashlight and 800M handheld desk.

Telephone blocking

In the absence of mechanical and electrical equipment, only catenary is used to ensure train operation by space partition method.

Telephone block is a spatial partition method to ensure train operation, only through contact system without electromechanical equipment. When the basic block method is changed to telephone block method or basic block is restored, it should be handled according to the order of train dispatcher. When the train dispatching telephone is disconnected, the change or recovery of blocking mode should be handled directly by telephone records after station attendant at both ends of the interval confirms that the interval is free.

Telephone blocking method is a driving method of manual blocking. Between two adjacent stations, parking lots/depots, the telephone record number is used as the voucher to confirm the vacancy of the blocked area, the road ticket (which is only filled in but not handed in) is used as the driving voucher of the occupied section, and the verbal command of the wireless dispatching telephone of the station driving attendant (hereinafter referred to as "line value") and the signal building attendant is used as the departure voucher, and the train runs in ATP release mode.