本實(shi)用(yong)新型公開了一種(zhong)氣(qi)動(dong)(dong)阻車器,包括刀(dao)擋(dang)、扭簧、力(li)把、氣(qi)缸、軸架(jia)、軸、限(xian)位板(ban)和(he)拉(la)桿(gan),軸架(jia)固(gu)定(ding)(ding)在限(xian)位板(ban)上(shang),軸的遠(yuan)端(duan)穿過扭簧鉸接(jie)在軸架(jia)上(shang),刀(dao)擋(dang)固(gu)定(ding)(ding)在軸上(shang)并與扭簧上(shang)端(duan)連接(jie),扭簧下端(duan)固(gu)定(ding)(ding)在拉(la)桿(gan)上(shang),力(li)把下端(duan)固(gu)定(ding)(ding)在軸的近端(duan),力(li)把上(shang)端(duan)與氣(qi)缸鉸接(jie)。該氣(qi)動(dong)(dong)阻車器結構簡單,安全可(ke)靠,可(ke)以人工控制,也可(ke)以遠(yuan)程控制,實(shi)現集中自(zi)動(dong)(dong)化管理。