Patent ID: 9045150
Filing Date: 2015-06-02
Classification: B61K,B66F,E02B

Abstract:
1. An under-floor lifting jack for a high-speed electric multiple unit train, comprising: a main electric control part for controlling the under-floor lifting jack, multiple bogie lifting means arranged in pits, fixed rails on the ground between adjacent pits, body hoists ( 18 ) movable along dedicated rails ( 20 ) on both sides of the bogie lifting means, wherein lifting rails ( 19 ) of the bogie lifting means and the fixed rails form continuous rails, and one or more of the bogie lifting means are set in each of the pits and adapted for lifting individually or synchronously in combination according to the wheel positions of different types of electric multiple unit trains under the control of the main electric control part, and a laser distance-measuring device ( 23 ), composed of a laser range finder and a data display screen, is installed on a telescopic device on one side of an end of the continuous rails and adapted to measure a position error in stopping the electric multiple unit train, the output of the laser range finder is connected to the main electric control part.