The invention discloses a buffer device for a rail transit vehicle. The buffer device is suitable for easing longitudinal impulse between a motor train unit and a metro vehicle, and comprises a buffer, a nut, an annular spring, a sleeve, a rubber ball bearing, an anti-rotating strip, a stop ring, a clamping ring, a joint and a pre-pressing sleeve, wherein the front end of the shell of the buffer is fixedly connected with the joint; the rear part of the shell of the buffer is inserted into the sleeve and is in sliding fit with the sleeve; the rear end of the annular spring is abutted against the stop ring; the rear end of the stop ring is abutted against a step in the sleeve; the pre-pressing sleeve sleeves the shell of the buffer; the nut is in threaded connection with the front end of the sleeve and is abutted against the pre-pressing sleeve; the rear end of the shell of the buffer is also provided with an annular boss; the annular boss is in sliding fit with the inner wall of the sleeve; the front end of the annular boss can be abutted against the rear end of the stop ring; the annular boss is provided with an anti-rotating groove; the anti-rotating strip is arranged in the sleeve; the anti-rotating groove is in axial sliding fit with the anti-rotating strip. The buffer device has the advantages of good assembly manufacturability, small size, light weight and compact structure.
Buffer device for rail transit vehicle
29.04.2015
Patent
Elektronische Ressource
Englisch
IPC: | B61G Kupplungen besonders ausgebildet für Eisenbahnfahrzeuge , COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES |
Anti-collision buffer device for rail transit engineering vehicle
Europäisches Patentamt | 2024
|Urban rail transit vehicle coupler buffer device and maintenance method thereof
Europäisches Patentamt | 2022
|