1, should be treated with preservatives.
2, should be continuously welded.
3, installation firm and consistent position of the mounting holes.
Second, support spacing
Single line H type 300A or less ≤ 1.5M, 400A above ≤ 3M.
Multi-line seamless trolley linear 1.0-1.5M.
Slip the cable car 1.0-2.0M.
Arc segment support spacing should be based on site conditions 1.0M.
Third, suspension parts the correct position, securely installed, the number of complex requirements.
Fourth, the main trolley line
A protective shell and conductor clearance ≤ 2mm.
2, straightness the track center height tolerance ± 15mm..
3, straightness the track center longitudinal tolerance ± 15mm.
4, the degree of distortion 15mm10m.
Fifth, expansion joints 1, the number of compliance. 2, the gap from the theoretical amount of stretching should be installed to meet the maximum temperature difference caused by the scene.
1, the steel frame of the welding firm, and the trolley line perpendicular to the centerline tolerance ± 3mm..
2, square steel frame with trolley line size, should ensure that the collector activity arm and body parallel to the trolley line, tolerance ± 3mm..
3, the collector trolley line and the plane sliding smoothly, compliance pressures. (See next page collector brushes in contact with the rail gauge)
Seven Fasteners tightening nut torque should be consistent with the manufacturer's recommendations. Recommended values M10-28NM, M8-12NM, M6-6.5NM
Eight power line end firmly into the line shall not be under tension.
Outdoor track crane work, you must install a reliable wind rail clamp or anchor devices to prevent serious accidents have been caused by a crane blown away or blown down.
GB6067 --- 85 crane safety regulations, states outdoor work should be set 40 ton crane rail clamp, anchoring devices or iron shoes. For outdoor track cranes working on its rail clamp pliers and anchoring...