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MYCY14-1B rated variable displacement piston pump

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Model Description

 

MYCY14-1B rated variable displacement piston pump

 

Structural cross section

 

MYCY14-1B rated variable displacement piston pump

 

Working principle

 

MYCY14-1B rated variable displacement piston pump

 

The main body part (see structural section) is driven by the drive shaft to rotate the cylinder, so that the seven plungers evenly distributed on the cylinder body rotate around the center line of the transmission shaft, and the sliding shoe in the column sliding assembly is pressed against the variable head by the central spring ( Or swashplate). Thus, the plunger reciprocates as the cylinder rotates, completing the oil absorption and oil pressure action.
 
This type of pump relies on internal control (and external control) to manipulate the variable mechanism. The pressure adjustment range of the pump is relatively small, and after the oil pressure is generated at 3~4Mpa, the flow rate is rapidly reduced to the required high pressure flow value. This type of pump is actually equivalent to a high and low pressure combination pump. The pump power selection can be calculated by referring to the power selection method of the pressure compensation variable pump.
 
The high pressure oil from the main part enters the lower flange (d). When the spring force is greater than the hydraulic pressure acting on the lower end of the push rod, the variable piston is pushed downward to increase the flow rate of the pump. When the hydraulic pressure acting on the area of ​​the lower end of the push rod is greater than the force of the spring, the variable piston moves upward, reducing the flow rate of the pump.
 
When adjusting the variable characteristics, adjust the adjustment sleeve according to the required flow and pressure variation range, so that the flow rate at the final pressure of the pump does not change any more, and then adjust the adjustment screw so that the initial pressure meets the requirements when the pump flow rate changes.
 
 
Model specification

 

Model
MYCY14-1B

Nominal pressure
Mpa

Nominal displacement
ml/r

Theoretical flow L/min

Maximum transmission power Kw

Maximum theoretical torque N*m

1000r/min

1500r/min

1000r/min

 

2.5

31.5

2.5

2.5

3.75

1.43

17.5

10

31.5

10

10

15

5.7

54.6

25

31.5

25

25

37.5

14.1

134.9

40

31.5

40

40

60

22.6

201.5

63

31.5

63

63

94.5

35.8

339.9

80

31.5

80

80

120

46.6

405.1

At a nominal pressure of 31.5 MPa, 1.25, 5, 13, 16, 32, 100 ml/r displacement specifications are also derived.

Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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