Welded rail pressure device WJK-TG50 plate WJK-QU80 heavy rail track fixtures 
 Welded rail pressure device WJK series models TG38, TG43, TG50, QU70, QU80, QU100, QU120, according to crane track model, choose the appropriate type of orbital welding fixtures, rail pressure is controlled by a set of seven parts: cover, base, bolts, nuts, spring washers, flat washer, adjust the plate (through Shaw)! Specific size of the national standard atlas: 05G525, Material: common type of cover ductile iron, cast steel base and bolts to 4.8, a full set of national standard-type material for the steel 

 Beam welded, from the weight of 350 tons, each set of seven parts. 
 (1): WJK base plate with three sides or both sides of the solder side of the beam flange welded with steel plates welded crane, the crane can ensure a smooth transfer lateral forces to the level of crane beam. And avoid the large hole in the flange of crane beam flange cross-section caused by the weakening of the defect. Therefore, to effectively improve the carrying capacity of the crane beam cross-section. 
 (2): WJK base plate with T-bolt into the bottom ball joint coupling. Therefore, under the action of lateral force, T-bolts and cover to keep the vertical, and allows the generation of deflection. Can reduce the impact of lateral track crane, crane beams and other structural damage brake system. Thus prolonging the life of the structure. 
 (3): WJK has a gauge adjustment plate, used to adjust the gauge. Can improve the accuracy of installation and reduce the rail centerline deviation. And a two-way self-locking function to prevent the produce in the course of loosening. 
 (4): WJKT-bolts and removable cover on the freedom of the construction and installation and maintenance provide a very convenient conditions. 
 (5): WJK sectional curvature on the cover is consistent with the rail, which can compress the rail, without prejudice to the rail along the longitudinal micro-slide. Also help track length welding. 
 (6): placement spacing of fasteners can be determined from the weight of the cable car that Q ≤ 275t, spacing 600mm; Q> 275t, spacing of 500mm. 
 (7): fixed base parts and crane beam welding, electrode type selection should be compatible with the connector material, such as when using Q235 and Q345 steel were used E4315, E5015 electrodes. 
 (8): Intermediate working system using both sides of the weld crane, heavy duty (special heavy duty) work cable car system with three-sided weld. 
 (9): fixed bolts tightening torque intermediate work system Q ≤ 275t of 150N.m, heavy duty work system as 220N.m. 
 (10): maximum lateral force of 45KN. 

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