Blocking device

• Main Authors: DENG MING, SONG JUNCAI, LIANG XIAOWEI, LI HAIHUA, XU YUJIE
• Format: Patent
• Language: Chinese; English
• Published: 09.09.2022
• Subjects: ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS

The utility model discloses a blocking device which comprises a frame, a transverse rod vertically sliding on the frame and a driving structure arranged in the frame, the driving structure comprises a first balancing weight, a first pushing piece, a second balancing weight, a second pushing piece and a pull rope, one end of the pull rope is connected with the first pushing piece, the other end of the pull rope is connected with the transverse rod, and the transverse rod is connected with the first pushing piece. The second balancing weight is arranged in the middle of the pull rope, and the pull rope is connected to the balancing weight in a sliding mode. The first pushing piece is used for driving the first balancing weight to ascend or descend so as to drive the cross rod to ascend or descend through the pull rope. The second pushing piece is used for driving the second balancing weight to ascend and descend so as to drive the transverse rod to ascend or descend through the pull rope. According to the utili