What are the causes of hydraulic switch cylinder movement?
2 Answers
Possible causes include cylinder damage, which encompasses cylinder expansion and cylinder scoring. Below are relevant details: 1. Hydraulic Cylinder: A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy for linear reciprocating motion (or oscillating motion). It features a simple structure and reliable operation. When used to achieve reciprocating motion, it eliminates the need for reduction gears, offers no transmission clearance, and ensures smooth movement, making it widely used in hydraulic systems of various machinery. 2. Classification: Hydraulic cylinders come in various structural forms and can be classified in multiple ways: by motion type into linear reciprocating and rotary oscillating; by hydraulic pressure action into single-acting and double-acting; by structural form into piston type, plunger type, multi-stage telescopic sleeve type, and rack and pinion type, among others.
I've been working in railway maintenance yards for over a decade and often encounter issues with hydraulic switch cylinder movement. There are several main causes: oil leakage due to worn cylinder seals leading to unstable pressure; air entering the hydraulic system causing fluctuations; excessive impurities in the oil clogging valves and causing control failures; and mechanical installation imbalance causing the cylinder to sway during operation. I remember last winter when temperatures dropped, the hydraulic oil viscosity changed significantly, causing a switch cylinder to constantly wobble. Inspection revealed excessive water content in the oil had corroded the seals. I recommend monthly checks of oil levels and cleanliness, regular oil changes and air bleeding - don't wait for accidents to happen as this affects precise switch operation.