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发明名称
辙叉尺寸组合计算尺
摘要
本实用新型辙叉尺寸组合计算尺是一种铁路道岔维修计算工具,它使辙叉整修在全面顾及《铁路线路维修规则》的五个尺寸公差要求的情况下,快速合理的确定辙叉的尺寸组合数据,使计算工作量减少至最低,并确保整修工作一次成功,使行车安全得到保障。
申请公布号
CN2199562Y
申请公布日期
1995.05.31
申请号
CN94242013.6
申请日期
1994.06.09
申请人
南京铁路分局镇江工务段
发明人
金开毅
分类号
G06G1/06
主分类号
G06G1/06
代理机构
代理人
主权项
1、辙叉尺寸组合计算尺,由主尺1、大滑尺2、小滑尺3和游标4组成,其特征在于:大滑尺2滑镶在主尺1的槽内,小滑尺3又滑镶在大滑尺2的槽内,游标4环套于主尺上1;在主尺1的一端标有轨距尺寸刻度及其允差范围6,另一端标有护轨轮缘槽尺寸刻度及其允差范围7;大滑尺2在与主尺1轨距相对应端标有查照间隔尺寸刻度及其允差范围8,大滑尺2的中部有翼轨轮缘槽尺寸刻度及其允差范围9;小滑尺3在与主尺轨距相对应端标有护背距离尺寸刻度及其允差范围10。
地址
212004江苏省镇江市南京铁路分局镇江工务段
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