1、電氣附件修理課程涵蓋的簽署項目 ELC01：飛機電源系統設備修理 ELC02：電動機修理 ELC03：蓄電池修理 ELC04：機上電器設備修理ELC01：飛機電源系統設備修理 ELC010：電氣附件修理公共部分 ELC011：發電機 (GEN)修理 ELC012：恒速傳動裝置：恒速傳動裝置 (CSD)修理修理 ELC013：靜變流機 (STA. INV.)修理 ELC014：電源控制組件(GCU、BPCU)修理 ELC015：接觸器 (GCB)修理 ELC015：變壓整流器(TRU)修理 ELC016：電源控制面板 (ELC. MLD.)修理恒速傳動裝置（CSD）修理 CSD概述功用與構造工作

2、原理傳動方式分組件功用 CSD維修分解、清洗、檢查、修理、測試 施工安全及防護CSD功用 CSD功用：把變化的發動機轉速，轉變為恒定的轉速，驅動交流發電機，從而保證發電機輸出恒頻交流電。CSD安裝位置（737-300）CSD基本構造 基本結構（737-300，ATA 24-11）：軸向差速器（承載軸、游星齒輪&環形齒輪）液壓組件（泵&馬達）調速器（離心飛重&控制活門）滑油系統保護裝置CSD基本構造軸向差速器承載軸承載軸(黃色黃色)：傳動發動機轉速；固定環形齒輪固定環形齒輪(藍色藍色)：調節1號行星齒輪轉速，后者驅動2號行星齒輪；2號行星齒輪號行星齒輪(條紋條紋)：驅動輸

3、出環形齒輪;輸出環形齒輪輸出環形齒輪(紅色紅色)：驅動輸出齒輪。速比速比(輸出環形齒輪：承載軸)2：1CSD基本構造液壓組件可變液壓組件可變液壓組件為9缸軸向變量柱塞泵，液壓泵打油量決定了液壓馬達轉速，高低壓力油流向決定了液壓馬達的轉向。固定液壓組件固定液壓組件為9缸軸向定量柱塞泵，其轉速和轉向決定了差速器“固定環形齒輪”的轉速和轉向。液壓馬達輸出扭矩M=Cm*(Pg-Pd)*tgm，即大小決定于壓差，方向決定于壓力油流向液壓泵打油量Qp=Cp*np*tgp,即決定于斜盤傾角和轉速CSD基本構造調速器u敏感CSD輸出轉速，通過作動筒連桿，控制液壓組件可變斜盤的偏轉傾角u速度上升離心飛重撥桿的力

4、增加分配活門下移大腔通回油作動筒連桿收回u調整螺釘調節轉速（擰緊升高；擰松下降）u電調線圈精確調節轉速（頻率），用于精頻電子設備，或并聯供電時均衡有功負載CSD基本構造滑油系統u齒輪潤滑；u散熱；u液壓組件傳力介質CSD基本構造保護裝置CSD故障(如超速、超溫、低壓)時，脫開CSD與發動機的連接。737 CSD工作原理CSD傳動方式增速傳動輸入軸欠速可變斜盤左偏液壓組件輸出軸與承載軸同向差速器固定環形齒輪與承載軸反向游星齒輪加速輸出軸加速CSD傳動方式減速傳動輸入軸超速可變斜盤右偏液壓組件輸出軸與承載軸反向差速器固定環形齒輪與承載軸同向游星齒輪減速輸出軸減速CSD傳動方式總結 分部件傳動方式輸

5、入軸轉速可變斜盤位置可變液壓組件固定液壓組件液壓機構液壓機構輸出齒輪輸出齒輪轉向輸入環形輸入環形齒輪齒輪轉向游星齒游星齒輪輪轉速輸出軸轉速增速5719 rpm右偏馬達泵與承載軸反向與承載軸同向減速減速直通=5719 rpm0-靜止靜止維持維持CSD分組件的功用 調速器：敏感CSD輸出轉速，控制液壓組件可變斜盤的偏轉傾角 液壓組件： 根據可變斜盤傾角，調整“固定環形齒輪” 的轉向和轉速，進而調節游星齒輪轉速 差速器：承載軸傳遞發動機轉速；游星齒輪調節輸出齒輪的轉速 滑油系統：齒輪潤滑、散熱；液壓組件傳力介質 保護裝置：CSD故障時報警，或脫離發動機CSD分組件的功用 滑油系統全姿態油箱渦流室：分

6、離回油中的空氣。含氣滑油旋轉-滑油沿內壁流入油箱下腔，空氣從中央導管排到油箱上腔。CSD分組件的功用 滑油系統壓差指示器：指示滑油濾堵塞。堵塞時內腔油壓升高，油濾旁通。同時磁性柱塞左移，指示按鈕失去吸力而彈出。CSD分組件的功用 保護裝置脫開機構:功用：CSD故障時，脫開CSD與發動機的連接。原理：駕駛艙按鈕-電磁閥柱塞縮入-卡爪銜接輸入軸-輸入軸繼續旋轉-犬牙脫開-兩軸分離。復位：地面，拉出手柄，電磁閥柱塞伸入卡爪凹槽。CSD的分解(HS CMM 24-11-75) 分解外部零件CAUTION: DO NOT PULL HARNESS WIRES TO FREE CONNECTORS. CS

7、D整體分解NOTE: Rotate the governor adjustment screw fully clockwise (see Figure 106) before splitting the transmission to prevent interference with the housing.CSD的分解 分解輸入組件(IPL FIG1103)WARNING: COVER IS SPRING-LOADED. USE CARE WHEN REMOVING TO PREVENT PERSONAL INJURY.NOTE: Screws (26) are secured with

8、Loctite and will require extra effort to break loose.Do not remove sight glass components (57 through 63) unless damaged or leakage is suspected.Using a torch, apply heat evenly to the housing around the perimeter of the sight glass (62), using care not to overheat the housing. Apply even heat until

9、 sight glass falls out. If necessary, use a nylon-pointed tool to aid in removal of the sight glass.CSD的分解 分解輸出組件(IPL FIG1104)CAUTION: USE CARE WHEN REMOVING CARBON JOURNAL BEARINGS （51）. THE BEARINGS ARE BRITTLE AND CHIP OR CRACK EASILY. A DAMAGED BEARING MAY HAVE TO BE REPLACED. PROTECT BEARINGS F

10、ROM DAMAGE AFTER DISASSEMBLY.CSD的檢查 Visually check the condition of the magnetic chip detector plug (2, Figure 1101) according to Figure 302. CSD的檢查 Perform dynamic solenoid test as follows:Make visual check of solenoid (20, Figure 1103) and connector (21).Push down and release solenoid plunger seve

11、ral times to check return spring and plunger sleeve for free movement.Put solenoid in vee block of test fixture 6SV-92071 (see Figure 303).Add weights necessary to apply 12 pounds side load to solenoid plunger.Apply 17 volts direct current to the solenoid. An acceptable solenoid will actuate and all

12、ow the weight to fall.CSD的檢查CSD的檢查 Perform an X-ray or borescope check of the swirl chamber (14, Figure 1104) if blockage is suspected. If blockage cannot be removed, discard the swirl chamber.CSD的修理Repair NotesNote 51: Input stationary seal (33, Figure 1101) may be repaired according to Figure 402.

13、Note 52: Input seal mating ring (34, Figure 1101) may be repaired according to Figure 403.Note 53: Output stationary seal (43, Figure 1101) may be repaired according to Figure 404.Note 54: Output seal mating ring (44, Figure 1101) may be repaired according to Figure 405.Note 55: Seal retainer assemb

14、ly (27, Figure 1101) may be repaired according to Figure 406.Note 56: Bearing liner (44, Figure 1103) may be replaced according to Figure 407.Note 57: Disconnect solenoid electrical connector (21, Figure 1103) may be replaced accordingto Figure 408.CSD的修理 Seal retainer assembly (27, Figure 1101) may

15、 be repaired according to Figure 406.CSD組裝 Output Shaft and Clutch Assembly RelationshipCSD組裝 Route the governor trim lead through loop clamps (28, Figure 1104) and throughthe hole in the side of the output housing. Install screws (26 and 27). Form a loop in the excess lead and position it against t

16、he scavenge pump (refer to Figure 511A). Be sure loop clamp is positioned as shown in Figure 511A.CSD組裝 Thread connector guide 6SV-91684 onto the lead of solenoid (20) to guide the lead through its locating hole in the side of the input housing. Thread guide tool AKS-10450 into the solenoid to facilitate installation and bottom the solenoid in its cavity in the input housing (s