YUKEN油研電磁控制溢流閥S-BSG-03-2B3B-D24/A240-N1-L-51 06
淺析液壓系統(tǒng)設計的合理性
一般液壓系統(tǒng)產生故障,應首先分析液壓系統(tǒng)設計上的合理性是否存在問題。設計的合理性是關系到液壓系統(tǒng)使用性能的根本問題,這在引進設備的液壓系統(tǒng)故障分析過程中表現(xiàn)得相當突出。其原因與國外的生產組織方式有關,國外的制造商,大多數(shù)采用互相協(xié)作的方式,這就難免出現(xiàn)所設計的液壓系統(tǒng)不完全符合設備的使用場合以及要求的情況。
某國外引進的水泥生產線的核心設備——立磨液壓機的故障過程中,立磨液壓機的液壓系統(tǒng)在工作過程中由于軋輥位移量很小,主要工作在保壓狀態(tài),所以系統(tǒng)在保壓過程中必須使液壓泵處于卸荷狀態(tài),才能減少系統(tǒng)的發(fā)熱量,保證液壓油的黏度不至于變化太大,從而保證水泥的生產能力。引進設備的 液壓系統(tǒng)在設計上采用了常用的溢流閥帶載卸荷方式,顯然屬于設計不合理造成的。設計液壓系統(tǒng)時,不僅要考慮液壓回路能否完成主機的動作要求,還要注意液壓元件布局,特別注意疊加閥設計使用過程中的元件排放位置,例如在由三位換向閥、液控單向閥、單向節(jié)流閥組成的回路中,液控單向閥必須與換向閥直接相連,同時換向閥必須采用Y型中位機能。而在采用M型中位機能的電液換向閥的回路中,或者選用外控方式,或者采用帶預壓單向閥的內控方式,其目的均為確保液控閥的正常換向。其次要注意油箱設計的合理性、管路布局的合理性等因素。對于使用環(huán)境較為惡劣的場合,要注意液壓元件外露部分的保護。

例如在冶金行業(yè)使用的液壓缸的活塞桿常裸露在外,被大氣中污物所包圍?;钊麠U在伸出縮回的往復運動中,不僅受到磨粒的磨損與大氣中腐蝕性氣體的銹蝕作用,而且還有可能從活塞桿與導套的配合間隙中進入污物,污染油液,進一步加速液壓缸組件的磨損。如在結構設計中在活塞桿上加裝防護套,使其外露部分由套保護起來,則可減少或避免上述危害。有的設計人員為了省事,在油箱圖紙的技術要求中提出“油箱內外表面噴綠色垂紋漆”,這樣制造商自然就不會對油箱內表面進行酸磷化處理,使用一段時間后,隨著油箱內表面油漆的脫落,就會堵塞液壓泵的吸油過濾器,造成液壓泵吸空,或壓力升不高的故障 。





50T-07-FR大軸22.2,50T-07-FR小軸19.05,50T-12-FR大軸22.2,50T-12-FR小軸19.05
50T-14-FR大軸22.2,50T-14-FR小軸19.05,50T-17-FR大軸22.2,50T-17-FR小軸19.05
50T-20-FR大軸22.2,50T-20-FR小軸19.05,50T-23-FR大軸22.2,50T-23-FR小軸19.05
50T-26-FR大軸22.2,50T-26-FR小軸19.05,50T-30-FR大軸22.2,50T-30-FR小軸19.05
50T-36-FR大軸22.2,50T-36-FR小軸19.05,50T-39-FR大軸22.2,50T-39-FR小軸19.05
50T-43-FR大軸22.2,50T-43-FR小軸19.05
A100-FR04HBS/FR04HAS-A-60399/60366,A100-FR04HS-60,
A145-FR04HBS/FR04HAS-A-60366,A145-FR04HS-60
A16-F-R-01-B-K-32,A16-F-R-01-C/H/B-K-32,A16-F-R-01-C-K-32,A16-F-R-01-H-K-32
A22-F-R-01-B-K-32,A22-F-R-01-C-K-32,A22-F-R-01-H/B-K-32,A22-F-R-01-H-K-32
A37-F-R-01-B/C-K-32,A37-F-R-01-B-K-32,A37-F-R-01-C/H-K-32,A37-F-R-01-C-K-32
A37-F-R-01-H-K-32,A37-F-R-04-H-K-32393
A3H100-F(L)-R(L),A3H145-F(L)-R(L),A3H16-F(L)-R(L),A3H180-F(L)-R(L),A3H37-F(L)-R(L)
A3H56-F(L)-R(L),A3H71-F(L)-R(L)
A3HG100-F(L)-R(L),A3HG145-F(L)-R(L),A3HG16-F(L)-R(L),A3HG180-F(L)-R(L),A3HG37-F(L)-R(L)
A3HG56-F(L)-R(L),A3HG71-F(L)-R(L)
A45-F-R-04-H-K-32393,A56/A45/A37,A56-F-R-04-H-K-32393,A70-FR04HBS-A,A70-FR04HS-60
A70-FRO4HAS-A,A90-FR04HBS/FR04HAS-A-60366,A90-FR04HS-60
AR16-FR01B-20,AR16-FR01B-22,AR16-FR01BS-22,AR16-FR01C-20,AR16-FR01C-22
AR16-FR01CS-22,AR16-FRO1BS-2223
AR22-FR01B-20,AR22-FR01B-22,AR22-FR01BS-22,AR22-FR01C-20,AR22-FR01C-22,AR22-FR01CS-22
ARL1-12-FR01A-10,ARL1-12-FR01S-10,ARL1-16-FR01A-10,ARL1-16-FR01S-10,ARL1-6-FR01A-10
ARL1-6-FR01S-10,ARL1-8-FR01A-10,ARL1-8-FR01S-10
PV2R11/R12/R13/R14
PV2R1-10-F-RAA-43,PV2R1-12-F-RAA-43,PV2R1-14-F-RAA-43,PV2R1-17-F-RAA-43,PV2R1-19-F-RAA-43
PV2R12-10-26-F-REAA-42,PV2R12-10-41-F-REAA-42,PV2R12-10-47-F-REAA-42
PV2R12-10-53-F-REAA-42,PV2R12-10-59-F-REAA-42,PV2R12-10-65-F-REAA-42,PV2R12-10-75-F-REAA-42
PV2R12-14-33-F-REAA-4326,PV2R12-14-33-F-REAR-43,PV2R12-25-33,PV2R12-25-41,PV2R12-25-47
PV2R12-25-53,PV2R12-25-59,PV2R12-25-65,PV2R12-25-75,PV2R12-28-33,PV2R12-28-41,PV2R12-28-47
PV2R12-28-53,PV2R12-28-59,PV2R12-28-65,PV2R12-28-75,PV2R1-23-F-RAA-43,PV2R1-25-F-RAA-43
PV2R12-6-26-F-REAA-42,PV2R12-6-33-F-REAA-42,PV2R12-6-41-F-REAA-42,PV2R12-6-47-F-REAA-42
PV2R12-6-53-F-REAA-42,PV2R12-6-59-F-REAA-42,PV2R12-6-65-F-REAA-42,PV2R12-6-75-F-REAA-42
PV2R12-8-26-F-REAA-42,PV2R12-8-41-F-REAA-42,PV2R12-8-53-F-REAA-42,PV2R12-8-59-F-REAA-42
PV2R12-8-65-F-REAA-42,PV2R12-8-75-F-REAA-42,PV2R1-28-F-RAA-43
PV2R13-10-76-L-LRAL-43,PV2R13-10-76-L-RAAA-40,PV2R13-12-76-L-RAAA-40
PV2R13-14-76-L-RAAA-40,PV2R13-17-76-L-RAAA-40,PV2R13-19-76-L-RAAA-40
PV2R1-31-F-RAA-43
PV2R13-23-76-L-RAAA-40,PV2R13-25-76-L-RAAA-40,PV2R13-31-76-L-RAAA-40
PV2R13-6-76-L-RAAA-40,PV2R13-8-76-L-RAAA-40
PV2R1-6-F-RAA-43,PV2R1-8-F-RAA-43
PV2R2-26-F-R,PV2R23/R24/R33/R34,PV2R2-33-F-R
PV2R23-47-94-F-REAA-41,PV2R23-53/66-F-REAA-41
PV2R2-41-F-R,PV2R2-47-F-R,PV2R2-53-F-R,PV2R2-59-F-R,PV2R2-65-F-R,PV2R2-75-F-R
PV2R34-116-237-F-REAA-31,PV2R34-116-237-F-RGAL-31,PV2R34-116-237-F-RHAR-31
PV2R34-52-184-F-RAAA-31
PV2R3-94-F-RAAA
PV2R4-200-F-RAA-30,PV2R4-200-F-RAB-30,PV2R4-200-F-RAL-30,PV2R4-200-F-RAR-30
PV2R4-237-F-RAB-30,PV2R4-237-F-RAL-30,PV2R4-237-F-RAR-30
PVR50FF-13-RAA-31,PVR50FF-20-RAA-31,PVR50FF-23-RAA-31,PVR50FF-26-RAA-31
PVR50FF-30-RAA-31,PVR50FF-36-RAA-31,PVR50FF-39-RAA-31
S-PV2R2/R3/R4/R12/R34,S-PV2R2-53-F-RAA-45
SVPF-12-20-20,SVPF-12-35-20,SVPF-12-55-20,SVPF-12-70-20
SVPF-15-20-20,SVPF-15-35-20,SVPF-15-55-20,SVPF-15-70-20
SVPF-20-20-20,SVPF-20-35-20,SVPF-20-55-20,SVPF-20-70-20
SVPF-30-20-20,SVPF-30-35-20,SVPF-30-55-20,SVPF-30-70-20
SVPF-40-20-20,SVPF-40-35-20,SVPF-40-55-20,SVPF-40-70-20
VP-08-FA3,VP-12-FA3,VP-15-FA3,VP-15-FA3(花鍵7齒),VP-15-FA3(花鍵9齒)
VP-20-FA3,VP-20-FA3(花鍵7齒),VP-20-FA3(花鍵9齒),VP-30-FA3
VP-30-FA3(花鍵9齒),VP-40-FA3,VP-40-FA3(花鍵9齒)
VPSM-PSFO-16AR-20,VPSM-PSFO-9BR-20
DG-01 DG-02 DT-01 DT-02 BG-03 BG-06 BG-10
BT-04 BT-06 BT-10
BG/BT-03/06/10 BT-03 BT-04 BT-06 BT-10
BSG-03/06/10 BSG-2P/BST-2P-03/06/10
BSG-03 BSG-06 BSG-10 BSG-03-*-2P BSG-06-*-2P
SBG-03 SBG-06 SBSG-03 SBSG-06 SBSG-10 SBG-03/06/10 SBSG-03/06/10
SBG-03-B SBG-03-C SBG-03-H SBG-03-2H SBG-06-B SBG-06-C SBG-06-H SBG-06-2H SBG-06-H-K05
BST-03-2PN-B BST-03-2PN-C BST-03-2PN-H BST-03-2PN-2H BST-06-2PN-B BST-06-2PN-C
BST-06-2PN-H BST-06-2PN-2H BST-10-2PN-B BST-10-2PN-C BST-10-2PN-H BST-10-2PN-2H
H型壓力控制閥、HC型壓力控制閥
HG-03 HG-06 HG-10 HCG-03 HCG-06 HCG-10 HCT-06
HG/HT-03/06/10
減壓閥、單向減壓閥
RG-03 RG-06
RT-03 RT-03/04/06/10
RCT-03 RCT-03 RCT-06 RCT-10 RCT-03/06/10
RCG-03/06/10 RCG-03 RCG-06 RG-03/06/10
液控單向閥
CPDG-03 CPDG-06 CPDG-10
CPDT-03 CPDT-06 CPDT-10
CPDF-10 CPDF-16
電液換向閥
DSHG-04 DSHG-04-AB DSHG-06
DSHG-06-AB
DSHG-10 DSHG-10-AB
DSHG-2B*-03/04/06/10 DSHG-3C*-03/04/06/10
順序閥
HCG-03 HCG-06 HCG-10
HCG-03/06/10
HCT-03/04/06/10
DSG-01-2B2-D24,DSG-01-2D2-D24,DSG-01-3C2-A220-DL,DSG-01-3C2-A220-LW,
DSG-01-3C2-D24-DL,DSG-01-3C2-D24-LW,DSG-01-3C3-A220-DL,DSG-01-3C3-A220-LW,
DSG-01-3C3-D24-DL,DSG-01-3C3-D24-LW,DSG-01-3C4-A220-DL,DSG-01-3C4-A220-LW,
DSG-01-3C4-D24-DL,DSG-01-3C4-D24-LW,DSG-01-3C5-D24-DL,DSG-01-3C5-D24-LW,
DSG-01-3C6-A220-DL,DSG-01-3C6-A220-LW,DSG-01-3C6-D24-DL,DSG-01-3C6-D24-LW,
DSG-02-2B2-DL,DSG-02-2B2-DL-AC24,DSG-02-3C2-D24-DL,DSG-02-3C2-DL,DSG-02-3C3-DL,
DSG-02-3C4-DL,DSG-02-3C60-DL,DSG-02-3C60-DL-R220,DSG-03-2B2-DL,DSG-03-2B2-DL-A220,
DSG-03-2B2-DL-A220V,DSG-03-2B2-DL-D24,DSG-03-2B2-DL-D24V,DSG-03-2B2-LW-A220,
DSG-03-2B2-LW-D24,DSG-03-2B3-DL-A220,DSG-03-2B3-DL-D24,DSG-03-2B3-LW-A220,
DSG-03-2B3-LW-D24,DSG-03-2D2-DL-A220,DSG-03-2D2-DL-D24,DSG-03-2D2-LW-A220,
DSG-03-2D2-LW-D24,DSG-03-3C2-D24,DSG-03-3C2-DL,DSG-03-3C2-DL-A220,
DSG-03-3C2-DL-A220V,DSG-03-3C2-DL-D24,DSG-03-3C2-DL-D24V,DSG-03-3C2-LW-A220,
DSG-03-3C2-LW-D24,DSG-03-3C3-DL,DSG-03-3C3-DL-A220V,DSG-03-3C3-DL-D24V,
DSG-03-3C4-D24,DSG-03-3C4-DL,DSG-03-3C4-DL-A220,DSG-03-3C4-DL-A220V,
DSG-03-3C4-DL-D24,DSG-03-3C4-DL-D24V,DSG-03-3C4-LW-A220,DSG-03-3C4-LW-D24,
DSG-03-3C5-DL-A220V,DSG-03-3C5-DL-D24V,DSG-03-3C60-DL,DSG-03-3C60-DL-A220V,
DSG-03-3C60-DL-D24V,DSG-03-3C6-DL-A220,DSG-03-3C6-DL-A220V,DSG-03-3C6-DL-D24,
DSG-03-3C6-DL-D24V,DSG-03-3C6-LW-A220,DSG-03-3C6-LW-D24,DSG-G03-2B2-DL-AC220V,
DSG-G03-2B2-DL-DC24V,DSG-G03-2B3-DL-AC220V,DSG-G03-2B3-DL-DC24V,
DSG-G03-2B60-DL-AC220V,DSG-G03-2B60-DL-DC24V,DSG-G03-2B8-DL-AC220V,
DSG-G03-2B8-DL-DC24V,DSG-G03-3C2-DL-AC220V,DSG-G03-3C2-DL-DC24V,
DSG-G03-3C3-DL-AC220V,DSG-G03-3C3-DL-DC24V,DSG-G03-3C4-DL-AC220V,
DSG-G03-3C4-DL-DC24V,DSG-G03-3C60-DL-AC220V,DSG-G03-3C60-DL-DC24V
SW-G02-04-A220-50
MSA-01-X-50,MSA-01-Y-50,MSA-02-X-50,MSA-02-Y-50,MSA-03-X-50,MSA-03-Y-50,
MSA-04-X-50,MSA-06-X-50,
MSB-01-X-50,MSB-02-X-50,MSB-03-X-50,MSB-04-X-50,MSB-06-X-50,
MSW-01-X-50,MSW-01-Y-50,MSW-02-X-50,MSW-02-Y-50,MSW-03-X-50,MSW-03-Y-50,
MSW-04-X-50,MSW-06-X-50
★★★▼疊加式減壓閥▼★★★
MRA-01-C-30,MRA-01-H-30,MRA-03-C-30,MRA-03-H-30,MRA-04-C-10,MRA-04-H-10,
MRA-06-C-30,MRA-06-H-30,
MRB-01-C-30,MRB-01-H-30,MRB-03-C-30,MRB-03-H-30,MRB-04-C-10,MRB-04-H-10,
MRB-06-C-30,MRB-06-H-30,
MRP-01-C-30,MRP-01-H-30,MRP-03-C-30,MRP-03-H-30,MRP-04-C-10,MRP-04-H-10,
MRP-06-C-30,MRP-06-H-30
★★★▼疊加式液控單向閥▼★★★
MPA-01-2-40,MPA-01-4-40,MPA-03-2-20,MPA-03-4-20,MPA-04-2-10Y,MPA-04-4-10Y,
MPA-06-2-30,MPA-06-4-30,
MPB-01-2-40,MPB-01-4-40,MPB-03-2-20,MPB-03-4-20,MPB-04-2-10Y,MPB-04-4-10Y,
MPB-06-2-30,MPB-06-4-30,
MPW-01-2-40,MPW-01-4-40,MPW-03-2-20,MPW-03-4-20,MPW-04-2-10Y,MPW-04-4-10Y,
MPW-06-2-30,MPW-06-4-30
★★★▼疊加式溢流閥▼★★★
MBA-01-C-30,MBA-01-H-30,MBA-03-C-30,MBA-03-H-30,MBB-01-C-30,MBB-01-H-30,MBB-03-C-30,
MBB-03-H-30,MBP-01-C-30,MBP-01-H-30,MBP-03-C-30,MBP-03-H-30,MBW-01-H-30,MBW-03-C-30,
MBW-03-H-30
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