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力士乐A11VO泵培训资料


Hyperbolic power control Unit
FH = PA ⋅ S = FF ⋅ a ⇒ P ⋅ S ⇒ FF ⋅ a / A ≈ C ⇒ P ⋅Q ≈ C
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Variable Displacement Pump A11VO 95-145 Controller LE...S New Options
Options at port Z for ∆p shifting:
with electric override with hydraulic override Load-sensing control Alternativ pump pressure supply
Variable Displacement Pump A11VO 95-145 Controller LE...S New Options
1.
port X2
external pump pressure - lower ∆p-setting - higher efficiency
2.
port Z
∆p shifting by pilot pressure or by solenoid - enhanced fine control
Port X Load pressure Port Z
Constant power control e.g. with electric override Same options as port Z
Port X2 External pump pressure
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© All rights reserved by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us.
A11VO PUMP
DCCN/SSH-Pk Wang Chengxiang
A11VO General Layout + Options
Various controllers
Through drive
Optional charge pump VLO Optional swivel angle indicator
a) external via port X2 (as shown) – thread with locking pin b) internal – locking pin removed – X2 port plugged
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© All rights reserved by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us.
A11VO Controllers LRDH2 Hydraulic Stroke Limiter (Pump Control)
Pressure cut-off
Stroke limiter
Power regulator
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A11VO Controllers Load Limiting with Electronics RC2-1/E + GLR
Exact power regulation Hydraulic controller supports electronics
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© All rights reserved by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us.
A11VO Controllers
A11VLO...LRDS
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© All rights reserved by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us.
A11VO Controllers LR3DS
A11VO 2191-e / by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us. © All rights reserved 10.99
Size Speed
A11VO A11VLO
3000
40
60
75
95
130
190
260 130 190 260
3000 2700 2550 2350 2100
2100 1800 2500 2500 2300
Pressure
350 / 400 bar
2
© All rights reserved by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us.
3.
shuttle orifice in port plate
influence of swiveling time in both directions for: - improved stability - optimized reaction time
4.
pump pressure supply for LS
Hyperbolic & Spring-loaded power control curve
4
© All rights reserved by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us.
A11VO Controllers Load Sensing Lontrol block M4, M7 (load sensing orifice integrated)
Pressure cut off
Power regulator
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© All rights reserved by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us.
A11VO Controllers LRDH2
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© All rights reserved by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us.
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A11VO Controllers LRCS
start: pump 1 pump 2
100% 100%
2 pump system
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© All rights reserved by Bosch Rexroth AG, as well in cases of trade mark rights applications. All rights of disposal as copy of passing by us.
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