A modular assembly tooling for flat car underframe accessories and its use method
Patent Information
- Authority / Receiving Office
- CN Ā· China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CRRC SHANDONG CO LTD
- Publication Date
- 2021-11-02
Smart Images

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Abstract
Description
technical field
[0001] The invention relates to the field of railway wagons, in particular to a modular assembly and use method for the accessory parts of a flat wagon underframe. Background technique
[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.
[0003] There are many accessories for the bottom frame of flat car, including 120 valve hanger, auxiliary air cylinder hanger, 11 liter air cylinder hanger, 28 liter air cylinder hanger, pipe hanger G214, proportional valve hanger, brake cylinder hanger Seats, hangers, etc., such as figure 1 and figure 2 As shown, each accessory part is welded on the web plate of the middle beam, cross beam and side beam of the flat car tooling.
[0004] The accessories are distributed centrally based on the 120 valve suspension seat to form an integral module. The positioning datum in the height direction is the upper plane of the mi...