1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2003 6 16 KS T ISO 5048 - KS T ISO 5048: 2003 T ISO 5048: 2003 ( ) ( ) ( ) : : 2003 6 16 03 635 : : ( ) ( 02 509 7286) . 7 5 , . ICS 53.040.20 KS T ISO 5048: 2003Continuous mechanical handling equipment Belt conveyors with carrying idlers Calculation of ope
2、rating power and tensile forces 1989 2 ISO 5048 Continuous mechanical handling equipment Belt conveyors with carrying idlers Calculation of operating power and tensile forces , . 1. , . 2. . 2.1 , ( 3 ) . 2.2 , . T ISO 5048: 2003 2 3. 1 a0auA b b1B C Cd d0D e f F F1F2FHFmaxFminFNFSFS1FS2FStFTFUg (h/
3、a)admH Ivk kal l3lbL L0Lp PAPMqBqGqROqRUS v vo (carrying side) (reverse side) (: ), (2 ) ( ) ( 2 ) ( 2 ) 2 2 ( ) ( ) (sag) (scraping) (3 ) ( ) ( ) ( ) ( ) m m m2m m m m m m N N N N N N N N N N N N N m/s2 m m3/s N/m m m m m m m N/m2W W kg/m kg/m kg/m kg/m m2 m/s m/s T ISO 5048: 2003 3 1 ( ) 0123 ( )
4、( ) ( ) 。 。 。 。 。 kg/m3 4. 4.1 5 . , FH(4.2 ) 2 , FN(4.3 ) , FS1(4.4 ) 2 , FS2(4.5 ) , FSt(4.6 ) 5 . (FH) 2 (FN) FS FS1 FS2 . FH FS1 2 FN FS2 . FSt , 0 . , . 4.2 , FH FH . a) (strands) (3) (4) b) (advancement) 4.3 2 , FN2 FN . a) b) ( ) c) d) 4.4 , FS1 FS1 . T ISO 5048: 2003 4 a) b) (flap) , 4.5 2 ,
5、 FS2 2 FS2 . a) b) , c) (inversion) d) (discharge plough) e) ( ) 4.6 , FSt FSt . . FSt qGHg (1) H , . 5. 5.1 () 5.1.1 ( ) FU . FU FH FN FS1 FS2 FSt(2) FH f . f, L (2) FH . FU fLgqRO qRU (2qB qG) cos FN FS1 FS2 FSt(3) 18 , (3) (cos 1) . 18 ( ), (qB qG) cos . qG(kg/m) . vIqv=G(4) Iv: (m3/s) : (kg/m3)
6、v : (m/s) (3) . (: 80 m ) , 2 . , C . FU CfLgqRO qRU (2qB qG) qGHg FS1 FS2(5) 18 ( ), qB qG cos . 5.1.2 C C . T ISO 5048: 2003 5 =C (6) HNHFFF += C (6) 2 FN . 1 C L , ( ) . 1 C , 80 m . L 80 m , C . LLLCo+= (7) Lo: 70 m 100 m C: 1.02 . 80 m L C 1 . C 2 . C C . C . 2 . 80 m L (3) . 5.1.3 f f 0.02 . ,
7、 (material) 20 % 0.016 , , 50 % 0.03 . . . 70 110 % 3 30 (troughing) 5m/s 20 ( ) 1 1.5 m ( ) 3 m (labyrinth grease) 108 159 mm f 0.02 0.03 . a) b) 30 T ISO 5048: 2003 6 c) 5m/s d) e) 20 f) g) h) i) , j) ( ) 1.5 m , ( ) 3 m f a) j) 0.02 . f . a) j) f 0.02 . f . f 0.02 (3) (5) . (downhill) 40 % , f 0.
8、012 . 5.1.4 2 (3) , 2 FN, FS1 FS2 . 2 3 , . 2 2 FN , 3 FS . 2 , , . T ISO 5048: 2003 7 2 2 FN FbA FbA Iv( 0) N Ff 2120b22f2bvvglIFv += 2 0.5 0.7 lb, min12022 gvv 1 0.5 0.7 N F1 F1 9B(140 0.01 F/B) d/D F1 12B(200 0.01 F/B)d/D N Ft ( ) T0t005.0 FDdF = N 5.1.5 . , . a) b) c) , (regenerative) d) . T ISO
9、 5048: 2003 8 3 Fs F 3 F C0L(qB qG) g cos sin C 30 0.4 45 0.5 0 0.3 0.4 2 F 0LqB g cos cos sin 0 0.3 0.4 N FgL 21222gLbvglIFv= 2 0.5 0.7 N Fr Fr Ap3 p: 3104 10104N/m2 N Fa Fa Bka ka: 1 500 N/m N , , 5.1.3 . , . 5.2 PA(kW) FU , PA . PA vFu(8) FU: (kW) v : (m/s) (9a) (9b) , . , 1AMPP = (9a) (regenerat
10、ive installations) , 2AMPP = (9b) 1: 0.85 0.95 . 2: 0.95 1 . 5.3 5.3.1 . T ISO 5048: 2003 9 : , , , , . , 2 . a) . b) 2 . 5.3.2 () 2 , FU , F2 . min,2F maxU,F1e1(10) maxU,F : : 4 : , 2.8 4.2(160 240) 4 ( ) 0.35 0.4 0.4 0.45 0.35 0.4 0.4 0.45 ( ) 0.1 0.35 0.35 0.35 0.4 ( ) 0.05 0.1 0.25 0.3 0.2 0.35
11、5.3.3 2 Fmin (11a) (11b) . (upper strand) ( ) FminadmGB0)/(8)(ahgqqa +(11a) (lower strand) ( ) FminadmBu)/(8 ahgqa(11b) . (h/a)adm T ISO 5048: 2003 10 0.005 0.02 . 5.3.4 , , , . . . Fmax . . (: ) ( 2 ). FmaxF1FU+11e1(12) . , 1.3 2 . , . 6. qv (m3/s) . IV Svk (13) S : (m2) v : (m/s) k : . a) B b b) :
12、 ( l3 ) ( ) c) , (2.1 ) ( ) b . B2 m b 0.9B 0.05 (14a) B2 m b B 0.25 (14b) T ISO 5048: 2003 11 , 3 , S ( ) S1 ( ) S2( 3 ) . S16tgcos)(233lbl + (15a) S2 + sin2cos2)(333lblbl (15b) S S1 S2(15c) , 3 0 . (: , ) . , 0.75 (2.2 ) . , . k S1 . k )1(111kSS (16) k1: , k1 . 2221cos1coscos=k (17) : : (15) (17)
13、, S1 S2 . T ISO 5048: 2003 12 1 L C C ( ) L, m . . . . . . T ISO 5048: 2003 13 2 T ISO 5048: 2003 14 a) 1 b) 2 3 c) 3 . .T ISO 5048: 2003 15 KS T ISO 5048: 2003 , . 1. , , . . 2. , 1989 2 ISO 5048 Continuous mechanical handling equipment Belt conveyors with carrying idlers Calculation of operating power and tensile forces , . 3. , , . 1) 2) 3) 4) 5) 2003 7 11