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Automatic switching pneumatic interlocking crashproof air door and control method thereof

A technology of automatic switch and air door, which is used in earth-moving drilling, mine/tunnel ventilation, mining equipment, etc. It can solve the problems that air door cannot be reliably locked, hidden dangers of coal mine production safety, etc. , the effect of high stability

Inactive Publication Date: 2007-08-08
山东中大机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the problem that the current damper cannot be reliably locked and cause safety hazards in coal mine production, and to provide an automatic switch pneumatic chain anti-collision damper with simple structure, easy to use, and safe and reliable locking.

Method used

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  • Automatic switching pneumatic interlocking crashproof air door and control method thereof
  • Automatic switching pneumatic interlocking crashproof air door and control method thereof
  • Automatic switching pneumatic interlocking crashproof air door and control method thereof

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0041] In Fig. 1 and Fig. 2, it includes a pair of air doors 3, and the track 9 passes therebetween. The two sides of each air door 3 are provided with detectors 2, and each air door 3 is also provided with an air door controller 7 and an air door lock switch 8. Simultaneously, on the track 9 of each damper 3 both sides, be respectively provided with stop device 10, vehicle detector 2, damper controller 7, damper lock switch 8 and stop device 10 are connected with central controller 5, and central controller 5 is connected with setting. The starting devices on both sides of each air door 3 are connected, and the air door 3 is interlocked and controlled.

[0042] The damper controller 7 is a cylinder device installed on each damper 3, they are connected with the air pressure pipeline 1, the working air pressure is greater than or equal to 0.2Mpa, the tel...

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Abstract

The invention discloses an automatic switch pneumatic linkage anti-collision air door, solving the safe hidden trouble to the production of coal mine because the reliable closedown can not be realized in the prior air door, provided with simple structure, convenient usage reliable closedown. The structure is that it comprises a pair of air doors and a railway passes through them; at two sides of said air doors a starting device is set and on each air door there are a controller of air door and a closedown switch of air door; at the same time on railways there are car stoppers respectively; the starting device, the air controller, the closedown switch of air door and car stoppers are connected with the central controller; the central controller controls the air door in interlocking.

Description

technical field [0001] The invention relates to a damper used in a coal mine ventilation system, in particular to an automatic switch pneumatic chain anti-collision damper and a control method thereof. Background technique [0002] The damper is a ventilation structure that not only cuts off the wind flow but also allows pedestrians to pass through. It plays a vital role in the coal mine ventilation system. It is required to set more than two dampers. In locomotive transportation, the distance between the two dampers should be greater than the length of a train, so as to prevent the two dampers from opening at the same time and causing a short circuit of the air flow, which will affect the stability of the ventilation system. The quality of the damper management is of great practical significance for the adjustment of the air flow in the coal mine ventilation system, the supply of air volume at each underground location, the balance and stability of the ventilation system, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21F1/12
Inventor 李群郝延树王陈王玉芹
Owner 山东中大机械制造有限公司
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