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Guard irons
| Глоссарий в железнодорожной технике |
Steel arms suspended in front of the front wheels of a railway vehicle to prevent small obstructions getting under the wheels and derailing it.
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Guard, английский
- A qualified worker on a passenger train who carries out safeworking duties and is responsible for the safety and supervision of passengers. where required, the guard assists the driver in the management of the train and its associated equipment.
- Предохранительное устройство; защита
- Предохранительное устройство; предохранять
- The duty performed by a body of men stationed to watch and protect any post against surprise. a division of marines appointed to take the duty for a stated portion of time. “guard, turn out!” the order to the marines on the captain`s approaching the ship. also, the bow of a trigger and the hilt of a sword.
- Train staff member originally provided to assist with train braking before the introduction of continuous brakes
- Senior conductor, conductor
Guard, английский
Guard band, английский
- Защитная полоса
- Защитная полоса частот 263
- The space or extra track between tracks on a multitrack tape machine or tape head, whose purpose is to prevent crosstalk between recorded tracks.
Guard bar, английский
Any bar serving as a protection or a means of security, as a window bar, 3 or window guard, 2. guard bead 1.a corner bead. 2. a staff bead.
Guard bar., английский
Guard bit, английский
"сторожевой" разряд
Guard board, английский
A raised timber at the edge of a scaffold that prevents workers or tools from dropping off the edge of the platform. guide pile 481 clip to fix a guard board to a scaffold
Guard boat, английский
- A boat which makes the rounds of a fleet at anchor to see that due watch is kept at night.
- A small boat assigned to patrol the anchored ships of a fleet, to ensure that lookouts are posted and alert, also that they challenge passing boats and prohibit close approach unless a counter-sign or password is given.
Guard book, английский
Guard clause, английский
A clause that specifies an additional condition that the variable must satisfy to match a pattern. guest (n)
Guard digit, английский
Разряд защиты; вспомогательная цифра
Guard edge, английский
The side of the guard rail head which makes contact with the backs of wheels.
Guard fence, английский
Guard flag, английский
The flag worn by a usn guard ship defining its specific duty.
Guard hairs, английский
Остевые волосы
Guard iron; quard, английский
Guard magnet, английский
Guard post, английский
Guard rail, английский
- A rail (inside or outside the running rail) used to restrain lateral movement of a derailed wheelset. used to protect structures or control the lateral movement of the wheelset on bridges or in other higher risk situations.
- For an automatically operated door, a railing used to separate and control traffic passing in opposite directions through the door.
Guard row, английский
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Automatic train regulation (atr), английский
Subsystem to ensure that the train service returns to timetabled operation or to regular, fixed headways, following disruption. atr subsystems adjust the performance of individual trains to maintain schedules. atr is normally a subsystem of automatic train supervision (ats).uos
Radio control (of locomotives), английский
Some railways employ radio control of locomotives to reduce the manning required for shunting. this allows a locomotive to be moved from the ground and assists with safety as well as reducing the time required for coupling and uncoupling. radio control is also employed for long and heavy freight trains where locomotives are provided at the front and rear of trains to assist with power and braking. this allows a single driver in the leading cab to control all other locomotives without the need to provide control wiring throughout the train. in any case, on very long trains the voltage drop for hard wired control signals would make their use impossible. for braking, air brakes are standard. the propagation rate for a long train would be excessive using a brake pipe controlled only from the front. radio control allows the pipe to be controlled from several points on the train and speed up operation.
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