A control circuit for associating the direction of a rail milling and grinding vehicle whistle with the direction of traffic

By designing a control circuit on a rail milling machine that links the horn direction with the driving direction, and using a combination of direction switches and relays, the problem of inconsistency between the horn direction and the driving direction in the existing technology has been solved, enabling more accurate judgment of vehicle position and approach speed.

CN224545992UActive Publication Date: 2026-07-24清研锐为(洛阳)轨道交通科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
清研锐为(洛阳)轨道交通科技有限公司
Filing Date
2025-08-28
Publication Date
2026-07-24

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Abstract

The utility model relates to a rail milling and grinding vehicle whistle direction and vehicle direction related control circuit relates to rail milling and grinding vehicle technical field, including first end whistle loop and second end whistle loop, first, second end whistle loop includes direction switch, whistle switch, relay and whistle device, the forward gear of first end direction switch is electrically connected first end whistle switch and the retreat gear of second end direction switch is electrically connected second end whistle switch, after being connected together on the coil of first end relay, the retreat gear of first end direction switch is electrically connected first end whistle switch and the forward gear of second end direction switch is electrically connected second end whistle switch, after being connected together on the coil of second end relay, the normally open contact of first end whistle device and first end relay is connected, and the normally open contact of second end whistle device and second end relay is connected. No matter which side presses whistle switch, can make the whistle direction and the running direction consistent.
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