Concave degree testing machine

The utility model relates to a concave degree measures test device, in particular to concave degree testing machine. The automatic hairbrush machine includes a frame, the frame bottom sets up the sample platform, sets up the preloading pressure head directly over the sample platform, preloading pressure head upper end connect the loading handle bar through the loading connecting rod, the upper endof loading handle bar connect loading weight pole, the loading weight pole outside be provided with loading scale pan, the loading handle bar outside set up the hand wheel, the spacing portion that passes through on the loading weight pole of loading scale pan realize spacingly downwards, the sample platform on set up the sensor, sensor electricity connect the concave degree indicator. The utility model discloses a concave degree testing machine, its testing personnel operation of being convenient for to the measuring accuracy is high. 本实用新型涉及种凹陷度测量试验装置，特别涉及种凹陷度试验机。其结构包括机架，所述机架底部设置试样平台，试样平台的正上方设置初始加载压头，所述的初始加载压头上端通过加