Created on:2021-06-17 09:36

Types and basic parameters of low speed and high torque hydraulic motors

Types and basic parameters of low speed and high torque hydraulic motors

(4) Type

① Structure type. This standard specifies five structural types of low-speed high torque hydraulic motors: inner curve radial piston motor, crank connecting rod radial piston motor, crank connecting rod free radial piston motor, radial steel ball motor and double swash plate axial piston motor.

② Model, installation flange and shaft extension mark. According to JB 2184 and GB / T 2353.2.

(5) Basic parameters. The basic parameters of the five structural types of low-speed high torque hydraulic motors specified in this standard are in accordance with the provisions of schedule 30.

 

Basic parameters

structure type

Nominal displacement / L · R-1

Nominal pressure / MPa

Rated speed / R · min-1

Inner curve radial piston motor

0.160.28

sixteen

twenty

twenty-five

≥125

0.3151.00

≥100

1.252.80

≥80

3.156.30

≥32

8.0012.50

≥20

16.0025.00

≥12

Above 25.00

≥10

Crankshaft connecting rod radial piston motor

Below 0.315

sixteen

twenty

twenty-five

≥400

0.3150.56

≥320

0.631.00

≥200

1.252.80

≥160

3.154.50

≥100

4.507.10

≥63

8.012.50

≥50

Crankshaft radial piston motor without connecting rod

Below 0.02

ten

sixteen

≥1000

0.020.056

≥630

0.0630.14

10.0,16.0

20.0,25.0

≥500

0.160.28

≥400

0.3150.56

16.0、0.0,25.0

≥320

0.631.00

≥250

径向钢球马达

0.3150.63

10.0

16.0

20.0

≥100

1.003.15

4.00

双斜盘轴向柱塞马达

0.25

20.0

250

0.90

100

1.6

16.0,20.0

 

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