GB/T 2885.4-1981 Basic parameters and dimensions of bottom-dumping mine cars for metal mines

GB/T 2885.4-1981 Basic parameters and dimensions of bottom-dumping mine cars for metal mines GB/T2885.4-1981 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China Basic Parameters and Dimensions of Metal Mine Bottom-dumping Cars GB2885.4—81 This standard applies to underground metal mines (or other mines with similar ore properties and mining methods) for transporting ore or other materials along underground tunnels and surface industrial sites. The basic parameters and dimensions of metal mine bottom-dumping cars should comply with the provisions of the table. Note: This figure only shows the dimension symbols.
Issued by the State Administration of Standardization
Proposed by the State Administration of Nonferrous Metals Industry10
Implemented on July 1, 1982
Drafted by Beijing Nonferrous Metallurgy Design and Research Institute
YDC4-7
YDC6-7
YDC6-9
GB2885.4-81
Overall dimensions
Note: ①Height H and traction height h are calculated from the rail surface (when empty). ②Load is calculated based on the loose specific gravity of the material v=2.5t/m\. ③The dimensions in brackets represent the wheelbase of the bogie itself. Height
Traction height
Traction force
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Total 3 pages Page 2wwW.bzxz.Net
Unloading angle
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(not large
Total 3 pages Page 3
GB2885.4-
2. The model of the bottom-dumping mine car for metal mines is specified as the marking example:
Volume 4m, track gauge 762mm Metal mine bottom-dumping mine car YDC4-7 mine car GB2885.4—81
Track gauge code: 7 means 762mm
9 means 900mm
Volume code (m3)
Mine car code
Bottom-dumping code
Metal mine code
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