<***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">链码校验装置介绍***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">链码校验装置是由许多质量相同的滚轮通过间距很近的铁板连接而成的一整条链子。校验时,把链码安装在皮带的上方,两端固定在立柱上。当皮带输送机启动后,滚轮在皮带上原地转动,以模拟原料随皮带的运动。滚轮内装轴承,转动灵活两端有侧盖,密封好。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一、链码校验的步骤:***N><***N lang=EN-US style="FONT-SIZE: 14pt"><***N style="mso-tab-count: 1"> ***N>
<***N lang=EN-US style="FONT-SIZE: 14pt">1***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、准确测量皮带输送机的长度。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">2***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、计算皮带输送机的速度***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">3***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、启动皮带输送机,调好零点。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">4***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、停皮带输送机,安放链码,并固定***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">5***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、启动皮带输送机调整链码中心线与皮带输送机中心线重合。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">6***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、按校验结果,调整称重显示器的显示,使显示小于规定值。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">7***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、停止皮带输送机,取下链码。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">二、链码校验的特点***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">1***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、方便搬运。每隔一定距离,在链码两端各安装一块活动链板,整条链码可以分成数段,进行搬运。一条链码可以校验多条皮带秤,节约大量成本。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">2***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、链码校验法是一种模拟校验的方法,在实际校验过程中,链码置于皮带输送机上,与物料在实际输送过程中的情况相同。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">3***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、链码通过皮带直接作用在称重托辊上,因此运转中的皮带对托辊的压力增大。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">4***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、近似的均匀载荷,与实际输送过程中的物料相似。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">5***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、实际物料输送是一般整条皮带上都有物料,除了有效称量长度上有称重传感器上,与称量长度相邻长度上的物料对称重也有影响。链码具有一定的长度,能够较真实的反映物料的影响。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">6***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、链码校验时,一定长度的链码作用在皮带上增大了皮带对托辊的压力,摩擦力也加大,使链码校验时的皮带张力大于空载时的皮带张力。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">三、链码校验装置于其他校验装置的比较***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt">1***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、挂码校验:***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">(***N><***N lang=EN-US style="FONT-SIZE: 14pt">1***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)、优点:挂码校验是将一定重量的砝码挂在皮带秤架上进行校验的校验方法。挂码校验简单易行,容易实现砝码加载、卸载的操作。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">(***N><***N lang=EN-US style="FONT-SIZE: 14pt">2***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)、不足:挂码校验结果准确性稍差。不能完全实现校验功能。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N lang=EN-US style="FONT-SIZE: 14pt; LINE-HEIGHT: 160%">2***N><***N style="FONT-SIZE: 14pt; LINE-HEIGHT: 160%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、循环链码:循环链码校验装置是在链码校验装置的基础上发展起来的,***N><***N style="FONT-SIZE: 14pt; COLOR: black; LINE-HEIGHT: 160%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">校验结果优于链码装置。<***N lang=EN-US>
<***N style="FONT-SIZE: 14pt; COLOR: black; LINE-HEIGHT: 160%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">(<***N lang=EN-US>1***N>)、优点:操作方便,易于维护、校验精度较高。<***N lang=EN-US>
<***N style="FONT-SIZE: 14pt; COLOR: black; LINE-HEIGHT: 160%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">(<***N lang=EN-US>2***N>)、不足:成本较高,仍然是在有限长度上施加荷重,码块与实际物料不尽相同,校验时皮带张力小于实际输送时的张力,影响校验精度。<***N lang=EN-US>
<***N lang=EN-US style="FONT-SIZE: 14pt">3***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、物料校验:***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">(***N><***N lang=EN-US style="FONT-SIZE: 14pt">1***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)、优点:物料校验装置是采用预期称量的物料,在皮带秤的使用场所对皮带秤进行的一种校验。由于校验用的物料与实际输送的是同一种,物料的性质及其流量大小、均匀程度与实际输送时一样,理论上是**可靠和权威的方法。***N><***N lang=EN-US style="FONT-SIZE: 14pt">
<***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">(***N><***N lang=EN-US style="FONT-SIZE: 14pt">2***N><***N style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)、不足:需预先**称量,大量人工搬运,袋装物料抛洒量大,效率较低。***N><***N lang=EN-US style="FONT-SIZE: 14pt">