Column hangs down straightness examines utensil

The utility model provides a column hangs down straightness examines utensil, includes stand, axle sleeve, support and branch kilsyth basalt, the axle sleeve cover is in on the stand, support fixed connection in the axle sleeve lateral surface, divide the kilsyth basalt to fix on the support, axle sleeve inner circumference leaves there is the ring channel, the ring channel embeds there is the latch segment, the latch segment is arc shape, the latch segment has two at least, there is the interval between the latch segment, connect through elastic insulating pad between the latch segment. This technical scheme can carry out real time compensation to wearing and tearing, has reduced the cycle of calibration, has practiced thrift the cost, has still reached convenient operation's effect simultaneously. 种立柱式垂直度检具，包括立柱、轴套、支架和分度表，所述轴套套在所述立柱上，所述支架固定连接于所述轴套外侧面，所述分度表固定在所述支架上；所述轴套内圆周面开有环形槽，所述环形槽内置有锁紧块，所述锁紧块为圆弧形状，所述锁紧块至少有两块，所述锁紧块之间有间隔，所述锁紧块之间通过弹性拉紧件连接。本技术方案能够对磨损进行实时补偿，减少了校准的周期，节约了成本，同时还达到了操作方便的效果。