Extension device of mining push rod

• Main Authors: ZHANG GUIPING, ZHAO YANAN, HAN MENGXIAO, ZHAO LANLAN, ZHAI HAITAO, LI HUIGEN, TIAN LI, SHI LONGLONG, XI KEFENG, CAO JING, HE YIDAN, WANG WUHONG, HOU YUEFENG
• Format: Patent
• Language: Chinese; English
• Published: 30.04.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

An extension device of a mining pushing rod comprises an extension rod, the extension rod comprises a first rod body and a second rod body, the first rod body and the second rod body are connected through a telescopic mechanism, the first rod body is further fixedly connected with at least one tongue plate used for being connected with a connector of the pushing rod, and the second rod body is further fixedly connected with the connector. According to the extension device, the telescopic mechanism is arranged between the first rod body and the second rod body, and the length of the extension rod can be adjusted, so that the extension device is suitable for open-off cut lengths of different fully mechanized coal mining faces. 一种矿用推移杆的延长装置，包括延长杆，延长杆包括第一杆体和第二杆体，并且第一杆体和第二杆体之间通过伸缩机构相连接，第一杆体还固定连接有至少一个用于连接推移杆的接头的舌板，第二杆体还固定连接有所述接头。本实用新型的延长装置，通过在第一杆体和第二杆体之间设置伸缩机构，能够调节延长杆的长度，从而适用于不同综采工作面的切眼长度。