气动无压风门的工作原理                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                

矿用平衡无压风门是矿井通风系统中极为重要的安全设施，利用四边平衡原理，使两页门扇开闭连动，通过平行两连杆传递作用，使开门时的风阻为零。
井下风门规格

调节风门 百叶窗无压风门 煤矿用风门的性能特点

同向无压风门 风门开启力小，开启力与风压大小及风向无关；

双向无压风门 双向隔风，漏风量小，无需再设反向风门

矿用平衡无压风门产品材质可选普通钢质或不锈钢结构，结构简单，坚固耐用，关闭平稳，安全可靠

进回风巷矿用门 既能手动操作，也可动力操作，如再加一套控制系统，可实现风门的自动开启；两道风门之间可实现相互闭锁

 矿用风门怎么工作的安装

手动调节圆不锈钢风门 风门的位置可水平布置或垂直布置。
园风门外壳的突出部分及方风门主轴前轴承的轴承颈上，供装设锅轮箱用。
园风门与方风门均装设有保证挡板全开时的挡钉。

风门本身均不带任何传动装置，可按需要选取。
欧科气动风门有关传动装置的型式与规格等见说明书的“传动装置”部分。

风门传动装置的传动力矩分8公斤/米和30公斤/米两种。
风门轴1717毫米和蜗轮箱轴 22毫米的配8公斤/米力矩传动装置。
矿用风门

矿用机械无压风门风门轴3232毫米和蜗轮箱轴 32毫米的配30公斤/米力矩传动装置。

欧科手动风门使用维护：

1、井下风门规格当门扇开启阻力较大时，应对门轴、销轴等转动部位加油润滑。

2、欧科手动风门 定期更换门扇密封橡胶条，减少漏风。

3、同向无压风门 调节平衡机构及配重可使门扇密封严密。

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