一种测量涡轮壳曲面内孔的专用量具制造技术

本实用新型专利技术是一种测量涡轮壳曲面内孔的专用量具，该专用量具由圆柱体和装在圆柱体上端面上的手柄构成。圆柱体外圈从下至上设计有第一圆孤面、第一圆柱面、第二圆柱面、第二圆孤面、第三圆柱面。第二圆柱面下边沿的任一点为量具直角测量点，测量时直角测量点紧靠涡轮壳曲面。直角测量点处的圆柱体的直径为Ｄ。圆柱面上端面为量具高度测量面，直角测量点形成的圆柱体Ｄ点直径线到量具高度测量面的垂直距离为Ｈａ。涡轮壳第二内圈圆柱面的上端面为涡轮壳高度测量面。直角测量点形成的圆柱体Ｄ点的直径线在涡轮壳曲面上的延长线到涡轮壳高度测量面的垂直距离为Ｈｂ。本实用新型专利技术的优点是提供了一种重量轻、耐磨性好、测量精度高及使用寿命长的测量涡轮壳曲面内孔的专用量具。（*该技术在2018年保护过期，可自由使用*）

Special measuring tool for measuring inner hole of turbine shell surface

The utility model relates to a special measuring tool for measuring the inner hole of a curved surface of a turbine shell. The utility model is composed of a cylinder and a handle arranged on the upper end face of the cylinder. The cylindrical outer ring is designed from the bottom to the top, the first circular surface, the first cylindrical surface, the second cylindrical surface, the second circular surface and the third cylindrical surface. Second any part of the lower edge of the cylindrical surface is the measuring point of the right angle of the measuring tool, and the measuring point at the right angle is close to the surface of the turbine shell when measuring. The diameter of the cylinder at the right measuring point is D. The upper end of the cylindrical surface is a measuring height measuring surface of the cylinder, and the D diameter line of the cylinder formed at the right angle measuring point is vertical to the measuring height of the measuring surface, and the vertical distance is Ha. The upper end face of the turbine cylinder second inner ring cylinder is a turbine shell height measuring surface. The diameter of the D point of the cylinder formed at the right measuring point; the line extending on the curved surface of the turbine shell; the vertical distance from the height measuring surface of the turbine shell is Hb. The utility model has the advantages that the utility model provides a special measuring tool for measuring the inner surface of a turbine shell surface with light weight, good wear resistance, high measuring accuracy and long service life.

【技术实现步骤摘要】

【技术保护点】
一种测量涡轮壳曲面内孔的专用量具，其特征在于：该专用量具由圆柱体和装在圆柱体上端面上的手柄构成，圆柱体下端部外圈为第一圆孤面，第一圆孤面上面为第一圆柱面，测量时与第一圆柱面对应处的涡轮壳内圈为第一内圈圆柱面，第一圆柱面和第一内圈圆柱面滑动配合；第一圆柱面上面为第二圆柱面，第二圆柱面的直径大于第一圆柱面的直径；第二圆柱面下边沿的任一点为量具直角测量点，直角测量点处的圆柱体的直径为Ｄ；测量时直角测量点对应处的涡轮壳内圈处为涡轮壳曲面，测量时直角测量点紧靠涡轮壳曲面；第二圆柱面上面为第二圆孤面，第二圆孤面上面为第三圆柱面，第三圆柱面的直径大于第二圆柱面的直径；测量时第三圆柱面对应处的涡轮壳内圈为第二内圈圆柱面，第三圆柱面和第二内圈圆柱面滑动配合；圆柱面上端面为量具高度测量面，直角测量点形成的圆柱体Ｄ点直径线到量具高度测量面的垂直距离为Ｈａ，涡轮壳第二内圈圆柱面的上端面为涡轮壳高度测量面，直角测量点形成的圆柱体Ｄ点的直径线在涡轮壳曲面上的延长线到涡轮壳高度测量面的垂直距离为Ｈｂ。

【技术特征摘要】

【专利技术属性】
技术研发人员：张笑山，
申请(专利权)人：溧阳市科华机械制造有限公司，
类型：实用新型
国别省市：32[中国|江苏]