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为了提高桥梁设备质量,配合桥梁检查及维修工作,我局曾向兄弟局学习,并深入现场调查研究,在党的三结合方针指导下,已试制了钢筋混凝土梁,预应力钢筋混凝土梁及钢桁梁“活动检查设备”。它的主要构造,是由跑道、吊栏和制动三部份组合的,全部材料都是用废钢材制造,所以造价较低,且极受现场工人同志们的欢迎。吊栏结构简易,坚固稳定,用螺栓连接在制动杆上,可以拆装在另一梁上使用。吊栏在轨道上以手搖滑轮牵动麻绳(或钢丝绳),能在一孔梁內沿
In order to improve the quality of bridge equipment and bridge inspection and maintenance work, our bureau once studied with the Brothers Bureau and conducted in-depth field investigation and study. Under the guidance of the party’s three principles of combination, reinforced concrete beams, prestressed reinforced concrete beams and steel truss girders “Activity inspection equipment.” Its main structure is composed of runway, hanging bar and brake combination of three parts, all the materials are made of scrap steel, so the cost is lower, and highly commended by field workers. Hanging bar structure is simple, solid and stable, bolted to the brake lever, you can disassemble the use of the other beam. Crane column in the track on the pulley to affect hemp rope (or wire rope), can be a hole in the beam along