Box-type transformer substation crossbeam cover plate fixing device

The utility model relates to a box-type transformer substation cross beam cover plate fixing device. The supporting clamping piece is fixed on the cover plate; the cover plate is provided with a via hole corresponding to the elastic tongue piece of the support clamping piece; a nut is welded to the position, facing the inner side face of the cross beam, of the via hole, a bolt penetrates through the via hole to form a simple adjusting device together with the nut, the tail end of the bolt abuts against the supporting clamping piece elastic tongue piece, the supporting clamping piece and the cover plate can be fixed to the cross beam opening by adjusting the bolt, and other machining on the cross beam is not needed. The utility model is simple and easy to implement, reduces the production process and has strong universality. 本实用新型为一种箱变横梁盖板固定装置，支撑卡件固定在盖板上，盖板对应支撑卡件弹性舌片处有一过孔，过孔处朝向横梁内侧面焊接一螺母，一螺栓穿过过孔与螺母共同形成一简易调节装置，螺栓末端抵住支撑卡件弹性舌片，通过调节螺栓可实现支撑卡件连带盖板固定于横梁开口，无需对横梁进行其他加工。本实用新型简便易行，减少生产工序，通用性强。