A needle penetration testing arrangement that is used for accurate positioning needle point and sample surface contact

The utility model provides a needle penetration testing arrangement that is used for accurate positioning needle point and sample surface contact, including support screw, base, control panel, spirit level, camera, standard needle, lock nut, stand, weight, slide bar, lifting support, release button, fine control round, locking screw, display screen, built -in displacement meter, measuring staff, coarse adjusting wheel, gauge head, flat glass ware etc. The utility model provides an accurate positioning needle point and sample surface contact's needle penetration testing arrangement can clearly observe the contact State of needle penetration needle and sample top surface through the camera, and the reduction utilized the little mirror of tip or the control error that the contact State of needle penetration needle and sample top surface was observed to the spotlight bulb originally, had improved the accuracy of experiment, had also improved the efficiency of experiment greatly. 本实用新型提供了种用于精确定位针尖与试样表面接触的针入度测试装置，包