320C Excavator Machine System Specifications Caterpillar


Main Control Valve

Usage:

320C AKH



图 1g00767069

(剖面 A-A) 动臂再生阀

(剖面 B-B) 斗杆卸载阀和斗杆再生阀

(剖面 C-C) 右侧阀组中用于反向流量控制的管路安全阀

(剖面 D-D) 斗杆(2)

(剖面 E-E) 动臂(1)

(剖面 F-F) 铲斗

(剖面 G-G) 附件

(剖面 H-H) 行驶(右侧)

(剖面 I-I) 直线行驶

(剖面 J-J) 行驶(左侧)

(剖面 K-K) 回转

(剖面 L-L) 斗杆(1)

(剖面 M-M) 动臂(2)

(剖面 N-N) 左侧阀座中用于反向流量控制的管路安全阀

为安全阀选用以下压力设定值:

主安全阀压力设定值 ... 34300 ± 490 kPa (4975 ± 71 psi)
动臂、斗杆和铲斗的管路安全阀压力设定值 ... 36300 ± 490 kPa (5265 ± 71 psi)

(1) 螺塞的扭矩 ... 35 ± 3 N·m (26 ± 2 lb ft)

(2) 2 只螺塞的扭矩 ... 15 ± 2 N·m (11 ± 1 lb ft)

动臂再生阀




图 2g00767253

A-A 剖面

(3) 螺塞的扭矩 ... 220 + 20 - 0 N·m (160 + 15 - 0 lb ft)

(4) 153-5293 弹簧

自由长度 ... 38.55 mm (1.518 in)
外径 ... 13.0 mm (0.51 in)

(5) 螺塞的扭矩 ... 285 ± 30 N·m (210 ± 22 lb ft)

(6) 接头扭矩 ... 105 ± 10 N·m (77 ± 7 lb ft)

(7) 153-5288 弹簧

自由长度 ... 55.7 mm (2.19 in)
外径 ... 24.0 mm (0.94 in)

斗杆卸载阀和斗杆再生阀




图 3g00767267

B-B 剖面

(8) 螺塞的扭矩 ... 220 + 20 - 0 N·m (160 + 15 - 0 lb ft)

(9) 153-5293 弹簧

自由长度 ... 38.55 mm (1.518 in)
外径 ... 13.0 mm (0.51 in)

(10) 153-5288 弹簧

自由长度 ... 55.7 mm (2.19 in)
外径 ... 24.0 mm (0.94 in)

(11) 螺塞的扭矩 ... 285 ± 30 N·m (210 ± 22 lb ft)

(12) 接头扭矩 ... 105 ± 10 N·m (77 ± 7 lb ft)

(13) 螺塞的扭矩 ... 35 ± 3 N·m (26 ± 2 lb ft)

(14) 153-5311 弹簧

自由长度 ... 80.4 mm (3.17 in)
外径 ... 26.0 mm (1.02 in)

反向流量控制(右侧)




图 4g00767223

C-C 剖面

(15) 107-6370 弹簧

自由长度 ... 49.3 mm (1.94 in)
外径 ... 15.5 mm (0.61 in)

(16) 阀的扭矩 ... 145 ± 15 N·m (107 ± 11 lb ft)

(17) 螺塞的扭矩 ... 240 + 20 - 0 N·m (180 + 15 - 0 lb ft)

(18) 7I-1248 弹簧

自由长度 ... 28.0 mm (1.10 in)
外径 ... 8.7 mm (0.34 in)

斗杆 (2)




图 5g00767286

D-D 剖面

(19) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(20) 螺塞的扭矩 ... 240 + 20 - 0 N·m (180 + 15 - 0 lb ft)

(21) 7I-1248 弹簧

自由长度 ... 28.0 mm (1.10 in)
外径 ... 8.7 mm (0.34 in)

(22) 将 155-0695 螺纹锁固胶 涂抹在螺栓的螺纹上。

螺栓扭矩 ... 50.0 + 9.8 - 0.0 N·m (36.88 + 7.23 - 0.00 lb ft)

(23) 104-7294 弹簧

自由长度 ... 62.27 mm (2.452 in)
外径 ... 36.0 mm (1.42 in)

动臂 (1)




图 6g00767300

E-E 剖面

(24) 螺塞的扭矩 ... 240 + 20 - 0 N·m (180 + 15 - 0 lb ft)

(25) 7I-1248 弹簧

自由长度 ... 28.0 mm (1.10 in)
外径 ... 8.7 mm (0.34 in)

(26) 阀门的扭矩 ... 95 ± 14 N·m (70 ± 10 lb ft)

(27) 螺母的扭矩 ... 19.6 ± 2.0 N·m (14.46 ± 1.47 lb ft)

(28) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(29) 104-7293 弹簧

自由长度 ... 59.68 mm (2.350 in)
外径 ... 36.0 mm (1.42 in)

(30) 将 155-0695 螺纹锁固胶 涂抹在螺栓的螺纹上。

螺栓扭矩 ... 50.0 + 9.8 - 0.0 N·m (36.88 + 7.23 - 0.00 lb ft)

铲斗




图 7g00767352

F-F 剖面

(31) 螺母的扭矩 ... 19.6 ± 2.0 N·m (14.46 ± 1.47 lb ft)

(32) 阀门的扭矩 ... 95 ± 14 N·m (70 ± 10 lb ft)

(33) 螺塞的扭矩 ... 240 + 20 - 0 N·m (180 + 15 - 0 lb ft)

(34) 7I-1248 弹簧

自由长度 ... 28.0 mm (1.10 in)
外径 ... 8.7 mm (0.34 in)

(35) 将 155-0695 螺纹锁固胶 涂抹在螺栓的螺纹上。

螺栓扭矩 ... 50.0 + 9.8 - 0.0 N·m (36.88 + 7.23 - 0.00 lb ft)

(36) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(37) 104-7293 弹簧

自由长度 ... 59.68 mm (2.350 in)
外径 ... 36.0 mm (1.42 in)

附件




图 8g00767360

G-G 剖面

(38) 2 只螺塞的扭矩 ... 95 ± 14 N·m (70.1 ± 10.3 lb ft)

(39) 螺塞的扭矩 ... 240 + 20 - 0 N·m (180 + 15 - 0 lb ft)

(40) 7I-1248 弹簧

自由长度 ... 28.0 mm (1.10 in)
外径 ... 8.7 mm (0.34 in)

(41) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(42) 将 155-0695 螺纹锁固胶 涂抹在螺栓的螺纹上。

螺栓扭矩 ... 50.0 + 9.8 - 0.0 N·m (36.88 + 7.23 - 0.00 lb ft)

(43) 104-7293 弹簧

自由长度 ... 59.68 mm (2.350 in)
外径 ... 36.0 mm (1.42 in)

行驶(右侧)




图 9g00767367

H-H 剖面

(44) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(45) 将 155-0695 螺纹锁固胶 涂抹在螺栓的螺纹上。

螺栓扭矩 ... 50.0 + 9.8 - 0.0 N·m (36.88 + 7.23 - 0.00 lb ft)

(46) 104-7296 弹簧

自由长度 ... 60.03 mm (2.363 in)
外径 ... 36.0 mm (1.42 in)

直线行驶




图 10g00767375

I-I 剖面

(47) 4T-3148 弹簧

自由长度 ... 34.8 mm (1.37 in)
外径 ... 5.4 mm (0.21 in)

(48) 螺塞的扭矩 ... 240 + 20 - 0 N·m (180 + 15 - 0 lb ft)

(49) 6I-6795 弹簧

自由长度 ... 30.0 mm (1.181 in)
外径 ... 12.0 mm (0.472 in)

(50) 4I-3510 弹簧

自由长度 ... 35.6 mm (1.402 in)
外径 ... 8.4 mm (0.331 in)

(51) 安全阀的扭矩 ... 135 ± 10 N·m (100 ± 7 lb ft)

(52) 固定器的扭矩 ... 75 ± 10 N·m (55 ± 7 lb ft)

(53) 导管的扭矩 ... 50 ± 7 N·m (37 ± 5 lb ft)

(54) 6E-5169 弹簧

自由长度 ... 72.2 mm (2.84 in)
外径 ... 17.67 mm (0.696 in)

(55) 螺母的扭矩 ... 50 ± 10 N·m (37 ± 7 lb ft)

(56) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(57) 2S-2596 弹簧

自由长度 ... 33.3 mm (1.31 in)
外径 ... 8.4 mm (0.33 in)

行驶(左侧)




图 11g00767383

J-J 剖面

(58) 螺塞的扭矩 ... 240 + 20 - 0 N·m (180 + 15 - 0 lb ft)

(59) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(60) 将 155-0695 螺纹锁固胶 涂抹在螺栓的螺纹上。

螺栓扭矩 ... 50.0 + 9.8 - 0.0 N·m (36.88 + 7.23 - 0.00 lb ft)

(61) 104-7296 弹簧

自由长度 ... 60.03 mm (2.363 in)
外径 ... 36.0 mm (1.42 in)

回转




图 12g00767398

K-K 剖面

(62) 螺塞的扭矩 ... 240 + 20 - 0 N·m (180 + 15 - 0 lb ft)

(63) 7I-1248 弹簧

自由长度 ... 28.0 mm (1.10 in)
外径 ... 8.7 mm (0.34 in)

(64) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(65) 104-7293 弹簧

自由长度 ... 59.68 mm (2.350 in)
外径 ... 36.0 mm (1.42 in)

(66) 将 155-0695 螺纹锁固胶 涂抹在螺栓的螺纹上。

螺栓扭矩 ... 50.0 + 9.8 - 0.0 N·m (36.88 + 7.23 - 0.00 lb ft)

斗杆 (1)




图 13g00767407

L-L 剖面

(67) 螺塞的扭矩 ... 305 + 20 - 0 N·m (220 + 15 - 0 lb ft)

(68) 153-5306 弹簧

自由长度 ... 39.2 mm (1.54 in)
外径 ... 7.0 mm (0.28 in)

(69) 阀的扭矩 ... 95 ± 14 N·m (70 ± 10 lb ft)

(70) 螺母的扭矩 ... 19.6 ± 2.0 N·m (14.47 ± 1.48 lb ft)

(71) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(72) 104-7293 弹簧

自由长度 ... 59.68 mm (2.350 in)
外径 ... 36.0 mm (1.42 in)

(73) 将 155-0695 螺纹锁固胶 涂抹在螺栓的螺纹上。

螺栓扭矩 ... 50.0 + 9.8 - 0.0 N·m (36.88 + 7.23 - 0.00 lb ft)

动臂 (2)




图 14g00767433

剖面 M-M

(74) 螺塞的扭矩 ... 5.0 ± 1.5 N·m (3.69 ± 1.11 lb ft)

(75) 158-8177 弹簧

自由长度 ... 67.6 mm (2.66 in)
外径 ... 12.6 mm (0.50 in)

(76) 4T-3148 弹簧

自由长度 ... 34.8 mm (1.37 in)
外径 ... 5.4 mm (0.21 in)

(77) 螺塞的扭矩 ... 240 + 20 - 0 N·m (180 + 15 - 0 lb ft)

(78) 将 155-0695 螺纹锁固胶 涂抹在螺栓的螺纹上。

螺栓扭矩 ... 50.0 + 9.8 - 0.0 N·m (36.88 + 7.23 - 0.00 lb ft)

(79) 螺栓的扭矩 ... 49 ± 5 N·m (36 ± 4 lb ft)

(80) 104-7294 弹簧

自由长度 ... 62.27 mm (2.452 in)
外径 ... 36.0 mm (1.42 in)

反向流量控制(左侧)




图 15g00767511

N-N 剖面

(81) 阀的扭矩 ... 145 ± 15 N·m (107 ± 11 lb ft)

(82) 107-6370 弹簧

自由长度 ... 49.3 mm (1.94 in)
外径 ... 15.5 mm (0.61 in)

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