Marshall test piece height monitoring device

• Main Authors: LIN HUIMING, CHEN ZHUTAO, LIN JIANG, LIU YUJING, TAKE KOTA, SUN XIAOGUANG
• Format: Patent
• Language: Chinese; English
• Published: 25.04.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

A Marshall test piece height monitoring device relates to the Marshall test piece manufacturing technology field, and comprises a pedestal, a vertical rod, a sliding seat and a measuring cylinder, the vertical rod is installed on the pedestal, the sliding seat is adjustably sleeved on the vertical rod, the measuring cylinder is vertically installed on the sliding seat, the measuring cylinder comprises an outer cylinder and an inner cylinder, the inner cylinder is sleeved on the outer cylinder, and the inner cylinder is sleeved on the sliding seat. The inner cylinder is sleeved in the outer cylinder, extension springs are arranged in the inner cylinder and the outer cylinder, a probe rod is arranged at the upper end of the inner cylinder, the probe rod extends into a sleeve of a test piece to be pressed on a pressing plate, a pointer is transversely arranged at the upper end of the inner cylinder, and the pointer points to a graduated scale arranged on the vertical rod. 一种马歇尔试件高度监测装置，涉及马歇尔试件制作技术领域，包括底座、立杆、滑座和测