Start delay warning device for coal mine down-hole mine vehicle

Abstract

Disclosed is a start delay warning device for a coal mine down-hole mine vehicle. The start delay warning device comprises a pilot oil circuit. The pilot oil circuit is provided with a pressure oil inlet and an oil outlet. A hydraulic operated directional valve, a sequence valve and an adjustable restrictive valve are installed on the pilot oil circuit between the oil outlet and the pressure oil inlet sequentially. A pressure oil inlet of the sequence valve is connected with a pressure oil branch I. A pressure oil inlet of the adjustable restrictive valve is connected with a pressure oil branch II. A delay sound-light warning device is arranged between the pressure oil branch I and the pressure oil branch II. The part, between the sequence valve and the adjustable restrictive valve, of the pilot oil circuit is provided with an energy accumulator. The start delay warning device can be applied to all coal mine down-hole hydraulic drive vehicles. The delay sound-light warning device is integrated into a vehicle braking system and a hydraulic pilot system, so that the vehicles are forced to conduct sound-light warning automatically before starting and be started in delay. The accidents of casualties surrounding the vehicles due to impatience driving can be effectively avoided, and the safety of the coal mine down-hole mine vehicle is greatly improved.

Description

technical field [0001] The invention relates to an alarm device for vehicles in a coal mine, in particular to a start-up delay alarm device for a mine vehicle in a coal mine. Background technique [0002] Coal mine tunnels are narrow, dusty, noisy, and dimly lit. In addition, most vehicles used in coal mines are large in size, and the driver has a large blind spot when starting and driving. Therefore, vehicles often start and drive in coal mines. A security incident occurs. In particular, before the vehicle starts, the driver neglects to check and warn, and impatient driving can easily cause casualties to the people around the vehicle, which seriously affects the safety of the mining vehicle during the start-up process. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present invention is aimed at the deficiencies of the prior art, and proposes a start-up delay alarm device for underground mining vehicles in coal mines, which can avoid driving a...

AI Technical Summary

Problems solved by technology

[0002] Coal mine underground roadways are narrow, dusty, noisy, and dimly lit. In addition, most of the vehicles used in underground coal mines have large dimensions, and the driver has a large blind spot when the vehicle starts and drives. Therefore, vehicles often start and drive in coal mines. security incident

In particular, the driver is negligent in checking and warning before starting the vehicle. Impatient driving may easily cause casualties to people around the vehicle, which seriously affects the safety of mining vehicles during the starting process.

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