Pantograph ascending and descending time automatic testing device

• Main Authors: YANG DANFENG, DIAO MANJIA, LAI YINGQIAO, DAI XIUXIU, ZHONG LIMING, ZHOU YANG, LUO XINGMING, JIA HONGYANG, QUAN JUNKUI, LU WENFU, SUN ZHENGSHI, ZHAO YANG
• Format: Patent
• Language: Chinese; English
• Published: 06.03.2020
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The utility model discloses an automatic pantograph rising and falling time testing device. First box body, one side of the first box body is rotationally connected with a second box body through a hinge; a lithium battery is fixedly mounted in the first box body; an intermediate relay is fixedly mounted on one side, close to the lithium battery, in the first box body; a timer is fixedly mounted on one side, close to the intermediate relay, in the first box body; a display screen is fixedly mounted above the timer; a pantograph lifting in-place switch is arranged on one side, close to the timer, in the first box body; a pantograph descending in-place switch is fixedly mounted on one side, close to the pantograph ascending in-place switch, in the first box body; two first fixing buckles arefixedly mounted on one side, far away from the second box body, of the first box body; the novel time testing device has the advantages that the relay, the travel switch and the timer are used as main components of the novel