PROSOFT 5302-MBP-MCM4 網(wǎng)絡(luò)通訊模塊
球頭系統(tǒng)球頭系統(tǒng)（3）的目的是與調(diào)速器彈簧（26）給出的速度設(shè)定基準(zhǔn)相比，感應(yīng)原動(dòng)機(jī)的速度變化，并定位先導(dǎo)閥柱塞（14）。球頭系統(tǒng)由球頭（3）、飛錘（2）、調(diào)速器彈簧（26）、止推軸承（25）、調(diào)速器塞（1）和調(diào)速器桿（4）組成。球頭（3）是齒輪傳動(dòng)的，并由層壓驅(qū)動(dòng)器（19）驅(qū)動(dòng)。飛錘（2）通過樞軸銷連接到球頭（3）上。推力軸承（25）位于飛錘（2）的趾部上。調(diào)速器彈簧（26）由調(diào)速器螺塞（1）固定在止推軸承（25）上。當(dāng)球頭（3）旋轉(zhuǎn)時(shí)，由于離心力的作用，飛錘（2）向外樞轉(zhuǎn)。同時(shí)，調(diào)速器彈簧（26）迫使止推軸承（25）向下作用在飛錘腳趾（2）上。這個(gè)向下的力與飛錘（2）的離心力相反。增加驅(qū)動(dòng)速度會(huì)增加離心力。用調(diào)速器塞（1）壓縮調(diào)速器彈簧（26）會(huì)增加向下的力，進(jìn)而增加調(diào)速器轉(zhuǎn)速設(shè)定值。原動(dòng)機(jī)必須運(yùn)行得更快，才能產(chǎn)生更高的離心力，以克服調(diào)速器彈簧力并重新平衡系統(tǒng)。調(diào)速器彈簧力或速度設(shè)置通過速度調(diào)節(jié)軸（1）手動(dòng)控制。補(bǔ)償系統(tǒng)補(bǔ)償系統(tǒng)的目的是使調(diào)速器穩(wěn)定，并獲得穩(wěn)定的速度控制。此外，當(dāng)正確調(diào)節(jié)時(shí)，補(bǔ)償系統(tǒng)有效地調(diào)節(jié)使發(fā)動(dòng)機(jī)達(dá)到所需輸出所需的燃油量，以調(diào)節(jié)負(fù)載的減少或增加。大補(bǔ)償活塞（21）、小補(bǔ)償活塞（20）、浮動(dòng)桿（18）、帶可調(diào)節(jié)支點(diǎn)（24）的補(bǔ)償調(diào)節(jié)桿（5）以及補(bǔ)償針閥（22）組成補(bǔ)償系統(tǒng)（見圖3-1）。補(bǔ)償只是暫時(shí)速度下降特性的另一個(gè)詞。補(bǔ)償系統(tǒng)引入了隨輸出軸運(yùn)動(dòng)而對(duì)速度設(shè)置進(jìn)行的臨時(shí)重新調(diào)整，以產(chǎn)生穩(wěn)定的速度下降特性，隨后速度設(shè)置相對(duì)緩慢地恢復(fù)到其原始值。
動(dòng)力活塞動(dòng)力活塞（7）的作用是將調(diào)速器輸出軸旋轉(zhuǎn)到增加或減少燃油的位置。動(dòng)力活塞（伺服）是一種差動(dòng)式，活塞兩側(cè)都有油壓?；钊纳隙送ㄟ^動(dòng)力桿和連桿總成連接到調(diào)速器輸出軸（6）上。動(dòng)力活塞（7）的底部的面積比活塞的頂部大。因此，與頂部相比，底部需要更小的油壓來保持活塞靜止。如果活塞頂部和底部的油壓相同，則向上移動(dòng)活塞，使終端軸沿增加燃油的方向旋轉(zhuǎn)。只有當(dāng)活塞下方的機(jī)油釋放到油底殼時(shí)，活塞才會(huì)向下移動(dòng)。進(jìn)出動(dòng)力活塞底部的機(jī)油由先導(dǎo)閥系統(tǒng)調(diào)節(jié)。先導(dǎo)閥系統(tǒng)先導(dǎo)閥系統(tǒng)（14和15）的作用是控制流向或來自動(dòng)力活塞（7）底部的油流量。襯套（15）由驅(qū)動(dòng)軸（17）旋轉(zhuǎn)，通過這種旋轉(zhuǎn)，先導(dǎo)閥柱塞和襯套之間的摩擦減小。先導(dǎo)閥柱塞（14）具有一個(gè)控制平臺(tái)，用于調(diào)節(jié)通過襯套（15）中端口的油流量。當(dāng)pvp（14）下降時(shí)，高壓油在動(dòng)力活塞（7）下方流動(dòng)，使其上升。當(dāng)pvp上升時(shí)，油從動(dòng)力活塞下方釋放到油底殼，使其下降?；钊?。當(dāng)pvp（14）處于其中心位置時(shí)，控制平臺(tái)覆蓋控制端口，如示意圖所示（圖3-1），并且動(dòng)力活塞沒有移動(dòng)。pvp運(yùn)動(dòng)由球頭系統(tǒng)（3）和小型和大型補(bǔ)償活塞（20和21）控制。
Accumulator The purpose of the accumulator (8) Is to store oil under pressure for the operation of the UG Lever governor. The accumulator (two cylinders) also acts as a pressure relief valve if oil pressure is increased above 120 psi/827 kPa (150 psi/1034 kPa for UG-10). The accumulator (8) consists of two spring-loaded pistons (9). Oil is pumped into the cylinders and pressure is increased as the accumulator springs (9) are compressed. When the oil pressure exceeds 120 psi/827 kPa (150 psi/1034 kPa for UG-10), oil is released back to sump through a relief port (10) in each cylinder. Oil flows from the accumulator (8) through passages to the top of the power piston (7) and to the pilot valve system (14 and 15)
The ballhead system consists of a ballhead (3), flyweights (2), speeder spring (26), thrust bearing (25), speeder plug (1), and speeder rod (4). The ballhead (3) is geared and is driven by the laminated drive (19). The flyweights (2) are attached to the ballhead (3) with pivot pins. A thrust bearing (25) rides on the toes of the flyweights (2). The speeder spring (26) is held against the thrust bearing (25) by the speeder plug (1). As the ballhead (3) rotates, the flyweights (2) pivot outward due to the centrifugal force. At the same time, the speeder spring (26) is forcing the thrust bearing (25) downward on the flyweight toes (2). This downward force opposes the centrifugal force of the flyweights (2). Increasing the drive speed increases the centrifugal force. Compressing the speeder spring (26) with the speeder plug (1) increases the downward force and in turn increases the governor speed setting. The prime mover must run faster to produce a higher centrifugal force to overcome the speeder spring force and rebalance the system.
Power Piston The purpose of the power piston (7) is to rotate the governor output shaft to the increase or decrease fuel position. The power piston (servo) is a differential type with oil pressure on both sides of the piston. The upper end of the piston is connected to the governor output shaft (6) through a power lever and link assembly. The bottom of the power piston (7) has a larger area than the top of the piston. Therefore, less oil pressure is required on the bottom than on the top to maintain the piston stationary. If the oil pressure is the same on both the top and bottom of the piston, the piston is moved upward to rotate the terminal shaft in the increase fuel direction. The piston moves downward only when oil under the piston is released to sump. Oil to or from the bottom of the power piston is regulated by the pilot valve system. Pilot Valve System The purpose of the pilot valve system (14 and 15) is to control the flow of oil to or from the bottom of the power piston (7).