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减速机设计理念说明以及功能适用领域介绍

来源:泰隆减速机股份有限公司  发布日期:2019-05-15 04:02  点击:70
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JIANSUJISHIXIANDAIJIXIESHEBEIZHIZHONGDEZHONGYAOZUCHENGBUFEN,HENDUOSHEBEIDOUYAOSHIYONGJIANSUJILAIWANCHENGJIANSUHUANJIE。JIANSUJIDEZUOYONGFEICHANGDA。JINTIANWOJIULAIHEDAJIALIAOLIAOJIANSUJIDEXIANGGUANHUATI。JIANSUJIYOUHENDUOXINGNENG,QIMEIGEXINGNENGDOUNENGZHANXIANCHUXIANGYINGGAINIAN。JIANSUJIDEYINGYONGFANWEIYESHIFENGUANGFAN。XIAMIANWOMENJIU“JIANSUJISHEJILINIANSHUOMINGYIJIGONGNENGSHIYONGLINGYUJIESHAO”LAIXIANGXILEJIEXIA。



【减速机的概念与性能】


运用相关理论,采取相应的处理措施,提高设备的使用寿命,节约了维修费用。在矿山提升系统中,矿用提升绞车是重要的提升设备,其安全运行非常重要,除了正确必要的日常维护措施外,采用良好的维修方案也是提高设备使用寿命、减少失效形式、保证安全生产的有力措施。


1减速机的工况及磨损失效任岗煤矿副井提升绞车型号ZHLR130K传动比为2Q输入转速580rmn输出扭矩105kNm自1992年绞车投入运行至今,进行了必要的维护,在运行过程中逐渐出现了减速机震动大、噪音高、基础附近有震颤感等。当绞车匀速提升时噪音及震颤较小,匀加速时震颤加剧,刹车时其震颤更大,噪音更高。



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根据磨损面积和位置分析,把中速轴左右倒置安装,以改变啮合次序和位置,从而降低磨损速/nin当工作面开米10m以后,随着米空区的塌落,高位巷与工作面之间逐渐产生裂隙,工作面内的瓦斯逐渐通过裂隙,在全负压风压差的作用下,渗透到高位巷内,使巷内的瓦斯浓度逐渐升高。


当初次来压期间,由于基本顶的大面积塌落,导致高位巷与工作面采空区间的通道达到,这时,大量的瓦斯就涌入到高位巷内;


同时,上风道内的瓦斯涌出量在初次来压期间虽也增加,但增加的幅度较小,相关变化数据见表1表1初次来压时期高位巷。上风道的瓦斯变化高位巷上风道项目浓度涌出量/来压之前来压期间来压之后由表1初次来压期间高位巷、上风道的瓦斯变化情况可得,高位巷的瓦斯浓度在初次来压前为0.5,初次来压期间为1.3;


上风道的瓦斯浓度在初次来压前为0.52,初次来压期间为0.72;初次来压期间瓦斯浓度增加幅度:高位巷为160,上风道为38.高位巷的瓦斯涌出量在初次来压前为1.00m3 /nin初次来压期间为5.50m3/nin上风道的瓦斯涌出量在初次来压前为6. 10m3/min初次来压期间为7.50m3min;


初次来压期间瓦斯涌出量增加幅度:高位巷为450,上风道为23.由此可知,在初次来压后,由于高位巷与采空区之间的裂隙沟通,分流瓦斯的量大大增加。


3高位巷分流瓦斯作用2906综放工作面开采以后,随着工作面推进,采空区的空顶面积逐渐增大,当达到一定程度时,基本顶垮落,布置在煤层顶板岩巷内的高位巷与采空区间的联络通道就沟通了,在高位巷与采空区之间形成了全负压风压差,在这个动力的作用下,采空区内积存的瓦斯就沿着裂隙通道进入高位巷内,排到总回风巷中。


在2906工作面总的瓦斯涌出中,高位由可以看出,当高位巷与工作面采空区的联络通道沟通良好的情况下,高位巷的瓦斯排放量在正常生产时期占工作面瓦斯涌出总量的50左右(的I区)。


可见高位巷对分流工作面的瓦斯起了重要的作用。而当高位巷与工作面采空区的联络通道通风不畅时,高位巷的瓦斯排放量在正常生产时期只占工作面瓦斯涌出总量的30左右(的区)要想充分发挥顶板高位巷的分流瓦斯作用,必须加强顶板高位巷位置处的放顶煤工作,使顶板高位巷与工作面的风路畅通,使工作面的瓦斯随着风流顺利流向顶板高位巷;


在顶板高位巷瓦斯不超限的前提下,应加大顶板高位巷的风量,使高位巷起到良好的分流瓦斯作用,限度防止工作面内、上隅角、上风道等处的瓦斯超限,确保工作面在安全的前提下高产稳产。


4结语2906综放工作面在正常生产过程中,高位巷对分流瓦斯起了很重要的作用,高位巷分流瓦斯作用的大小取决于采空区与高位巷之间裂隙通道的多少。


充分利用高位巷的分流瓦斯作用,加强高位巷与工作面采空区之间的裂隙沟通,及时放高位巷对应处的顶煤,特别是在来压期间,以便限度地发挥高位巷的分流瓦斯作用,保证综放工作面在安全的前提下实现高产高效。通过方案的实施,减小了减速机噪音,使绞车运行平稳度增加。


齿轮修复后啮合间隙趋于正常,降低了齿轮啮合产生的冲击震动,提高了减速机的使用寿命,遏制了提升事故的发生。


【减速机的广泛应用与意义】


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