Mixer Truck Hydraulic Power Hydraulic Pumps Hydraulic Motors
Mixer truck hydraulic pumps advantages:
1. High working pressure: due to easy processing of plunger and cylinder hole, dimensional accuracy and surface quality can meet high requirements, so high precision, small oil leakage, high volume efficiency, high working pressure can be achieved.
2. Large flow range.
3. Change the stroke of the plunger can change the flow, easy to make a variety of variable type.
PV22 hydraulic pumps and MF22 hydraulic motors performance and characteristics:
1. High efficiency, high pressure, big displacement design meets the demands of harsh work conditions for mixer truck.
2. Has swash plate structure.
3. Be suitable for closed-loop circuit system of mixer truck.
4. Manual servo and hydraulic variable control mode.
5. PV22 variable displacement hydraulic pumps with a charging oil pump.
6. MF22 fixed displacement hydraulic motors.
Mixer hydraulic pumps motors technical parameters:
| 20 series PV hydraulic pump and MF hydraulic motor | 20 | 21 | 22 | 23 |
| Displacement | Max displacement | ml/r | 33.3 | 51.6 | 69.8 | 89.0 |
| Speed | Max continuous working speed
(Full load condition) | r/min | 3500 | 3500 | 3200 | 3200 |
| Rated speed | r/min | 2500 |
| Min continuous working speed | r/min | 500 |
| Pressure | Rated working pressure | Mpa | 35 |
| Max working pressure (transient) | Mpa | 42 |
| Continuous working pressure | Mpa | 30 |
| Allowable shell pressure (Absolute) | Mpa | Constant0.25, Peak value0.5 |
| Torque | Continuous output torque
(Under continuous working pressure) | Nm | 162.3 | 252.3 | 342.6 | 432.9 |
| Max output torque | Nm | 227 | 353 | 480 | 606 |
| Power | Continuous output power | KW | 45 | 79 | 107 | 139 |
| Max power | KW | 62 | 95 | 114 | 150 |
| Temperature | Allowable shell temperature | ℃ | 80 |
| Max working temperature of oil tank | ℃ | 70 |
| Weight | PV series hydraulic pump hydraulic oil emptying | kg | 45 | 53 | 63 | 78 |
| PV series hydraulic motor hydraulic oil emptying | kg | 30 | 34 | 40 | 47 |
Hydraulic oil notice of hydraulic pumps hydraulic motors:
Hydraulic system pollution will affect the normal operation of the mixer truck at any time, and affect the service life of hydraulic pumps and hydraulic motors, serious damage to the pump and motor, so it is very important for the hydraulic system.
Oil change and oil filter replacement:
1. 500 working hours for first run.
2. Replace every 1500 working hours from now on, but at least once a year.
3. Note: When changing oil, replace hydraulic filter element at the same time.
Tags: mixer truck hydraulic pump, hydraulic power unit, hydraulic pumps motors
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