793B Off-Highway Truck Power Train Caterpillar


Transmission Hydraulic System

Usage:

793B 1HL



图 1g00498618

示意图




图 2g00491496

变速箱液压系统示意图

(1) 进油滤网

(2) 液压油箱变速箱段

(3) 锁止离合器电磁阀

(4) 减档电磁阀

(5) 升档电磁阀

(6) 旋转致动器

(7) 变速箱回油泵段

(8) 变速箱机油泵润滑段

(9) 变速箱充油泵段

(10) 通往锁止离合器和同步阀中的继动阀的通道

(11) 变速箱润滑液压滤清器

(12) 变速箱充油液压滤清器

(13) 顺序减压阀

(14) 空档器阀

(15) 旋转式换档器滑阀

(16) 换档器和压力控制阀

(17) 变速箱机油冷却器

(18) 变速箱机油冷却器进口安全阀

(19) 磁性滤网

(20) 分动齿轮和变速箱壳体

(21) 变速箱润滑安全阀

(22) 双级安全阀

(23) 2 号离合器的换档活塞

(24) 2 号离合器的负载活塞

(25) 调节减压阀

(26) 4 号离合器的调节减压阀

(27) 4 号离合器的负载活塞

(28) 4 号离合器的换档活塞

(29) 1 号离合器的换档活塞

(30) 1 号离合器的负载活塞

(31) 1 号离合器的调节减压阀

(32) 5 号离合器的调节减压阀

(33) 5 号离合器的负载活塞

(34) 5 号离合器的换档活塞

(35) 3 号离合器的换档活塞

(36) 3 号离合器的负载活塞

(37) 3 号离合器的调节减压阀

(38) 6 号离合器的调节减压阀

(39) 6 号离合器的负载活塞

(40) 6 号离合器的换档活塞

(41) 双级安全阀的换档活塞

(42) 双级安全阀的负载活塞

(43) 双级安全阀的调节减压阀

(44) 压力控制阀

(A) 2 号离合器的压力检测口

(B) 1 号离合器的压力检测口

(C) 3 号离合器的压力检测口

(D) 双级安全阀的系统压力检测口

(E) 4 号离合器的压力检测口

(F) 5 号离合器的压力检测口

(G) 6 号离合器的压力检测口

(J) 升档压力检测口

(K) 减档压力检测口

(L) 变速箱充油压力检测口

(M) 变速箱液压控制装置控制油压力检测口

(N) 变速箱润滑压力检测口

零部件位置




图 3g00370903

变速箱机油管线俯视图

(2) 液压油箱变速箱段

(7) 变速箱回油泵段

(8) 变速箱机油泵润滑段

(9) 变速箱充油泵段

(11) 变速箱润滑液压滤清器

(12) 变速箱充油液压滤清器

(17) 变速箱机油冷却器

(18) 变速箱冷却器进口安全阀

(45) 分动齿轮

(46) 行星变速箱

(47) 变速箱液压控制装置

(48) 泵传动装置




图 4g00370905

变速箱机油管线侧视图

(2) 液压油箱变速箱段

(7) 变速箱回油泵段

(8) 变速箱机油泵润滑段

(9) 变速箱充油泵段

(11) 变速箱润滑液压滤清器

(12) 变速箱充油液压滤清器

(19) 变速箱磁性滤网

(45) 分动齿轮

(46) 行星变速箱

(47) 变速箱液压控制装置

(48) 泵传动装置




图 5g00398358

变速箱侧面

(J) 升档压力检测口

(K) 减档压力检测口

(L) 变速箱充油段压力检测口




图 6g00398360

变速箱液压控制装置

(21) 变速箱润滑安全阀

(A) 2 号离合器的压力检测口

(B) 1 号离合器的压力检测口

(C) 3 号离合器的压力检测口

(D) 换档器总成中双级安全阀的信号压力测试口

(E) 4 号离合器的压力检测口

(F) 5 号离合器的压力检测口

(G) 6 号离合器的压力检测口

(H) 此压力检测口尚未使用。

(L) 变速箱充油段压力检测口

(M) 变速箱液压控制装置控制油压力检测口




图 7g00279602

分动齿轮箱

(N) 变速箱润滑压力检测口

Caterpillar Information System:

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