Bolt fastening equipment for narrow space

The utility model discloses a bolt fastening device for a narrow space, which comprises a base, a driving gear rotatably mounted on the base, and a driving motor erected on the base and used for driving the driving gear; the hoop gear is provided with an axial sleeve hole used for being arranged on a nut of a bolt to be fastened in a sleeved mode. And the transmission chain is wound on the driving gear and the hoop gear. The utility model solves the problem that a bolt in a narrow space cannot be fastened by a wrench or an electric bolt wrench. 本实用新型公开了一种用于狭小空间的螺栓紧固设备，包括：底座，所述底座上可转动地安装有主动齿轮，所述底座上架设有用于驱动所述主动齿轮的驱动电机；套箍齿轮，所述套箍齿轮开设有用于套设于待紧固螺栓的螺母的轴向套孔；以及传动链条，绕设于所述主动齿轮和所述套箍齿轮。本实用新型解决了狭小空间下的螺栓无法采用扳手或电动螺栓扳手紧固的问题。