Compensation type mandrel assembly of high-speed rail motor train unit and roller shutter mechanism, device and method of compensation type mandrel assembly

• Main Authors: MA XINHUA, HU AICUN, QIN SIGANG
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2023
• Subjects: BODY DETAILS OR KINDS OF RAILWAY VEHICLES; PERFORMING OPERATIONS; RAILWAYS; TRANSPORTING

The invention relates to the technical field of car window assemblies, in particular to a high-speed rail motor train unit compensation type mandrel assembly and a roller shutter mechanism, device and method of the high-speed rail motor train unit compensation type mandrel assembly. The mandrel comprises a positioning end and a shaft sleeve end. The positioning end comprises a positioning block installed at the tail end of the mandrel, a plug connected to the mandrel in a sleeving mode and a compression spring located between the positioning block and the plug. The distance between the positioning block and the plug is a compensation distance; the shaft sleeve end comprises a shaft sleeve installed at the starting end of the mandrel, a torsional spring connected to the mandrel in a sleeving mode and a pin for fixing the torsional spring. The positioning end and the shaft sleeve end are assembled to form a compensation type mandrel assembly, the shaft sleeve end penetrates into the winding drum, and the positi