Standard for installation and maintenance of fish plate
2022-05-27
The middle of the Fish Plate is provided with a fish bolt hole,along the horizontal axis of the fish bolt hole on both sides of the contact surface and rail contact surface,and the top of the rail contact surface upward along the extension of a higher than the rail side of the transition section,the transition section along the length direction of the fish plate formed in the middle high low bridge arch at both ends.The arch fish-plate structure of the bridge can reduce the impact of the wheel on the rail joint,increase the longitudinal continuity of the rail at the joint,and improve the ride when the train passes. In order to ensure the good use of BS Fish Plate and other railway accessories,it is necessary to overhaul and reinforce Cemented Fish Plate frequently to improve the quality of equipment and avoid accidents.Inspection standard of fish plate installation device: 1.Fixing screws of Fish Plate installation device are fastened,and the device has no old damage and crack. 2.The connecting rod and external locking device have no old damage and crack,the rod has no wear and rust,the wear of pin hole is not more than 1mm,and the insulation is good. 3.The rod connecting iron is well insulated,and the outer locking iron and the bar connecting iron are well insulated.When there is no insulation,there should be a gap of more than 3mm. 4.Check that there is no crack in the shell of the point machine of the Multi Standard Fish Plate installation device,the installation is firm and the locking function is good. 5.Check that the protective measures of the oil pipeline groove road are intact and not damaged,and not buried by stone ballast and other sundry things.
