Current label: Hydraulic motor
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Network optimization data: structural differences: 1. The hydraulic motor generally needs to rotate back and forth, so the internal structure should be symmetrical, while the hydraulic pump generally rotates in one direction, which is unnecessary. 2. In order to reduce the oil suction resistance and radial force, the size of the oil suction port of the hydraulic pump is larger than the size of the oil outlet. However, the pressure in the low-pressure chamber of the hydraulic motor is slightly higher than the atmospheric pressure, so there is no such requirement. three
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Network optimization data: Like the hydraulic cylinder, the SAI hydraulic motor is also the actuator in the hydraulic system. The difference between the two is that the hydraulic motor converts hydraulic energy into continuous rotating mechanical energy, and the hydraulic cylinder converts hydraulic energy into linear mechanical energy. There are several main types of common hydraulic motors, such as gear type, vane type and plunger type. Basic structure of hydraulic motor and pump
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Network optimization data: When the oil with pressure p enters between blades 1 and 3 from the oil inlet, blade 2 will not generate torque because both sides are affected by hydraulic oil. On blades 1 and 3, pressure oil acts on one side and low pressure oil acts on the other side. Since the projected area of blade 3 is greater than that of blade 1, the total hydraulic pressure acting on blade 3 is greater than that acting on blade 1
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Network optimization data: the leakage of hydraulic motor is not the same every moment, and its leakage also fluctuates periodically with the change of phase angle of rotor rotation. Because the flow rate of the incoming motor is very small at low speed and the leakage rate is large, the instability of the leakage will obviously affect the flow rate involved in the motor work, thus causing speed fluctuations. When the motor is running at low speed, its rotating part
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Network optimization data: The reason why the hydraulic motor runs at low speed is as follows: the friction force is unstable. The normal friction increases with the increase of speed. The friction resistance inside the motor working in the static and low-speed areas does not increase but decreases when the working speed increases, forming the so-called negative characteristic resistance. On the other hand, the pressure of hydraulic motor and load after hydraulic oil compression
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Network optimization data: starting mechanical efficiency is an indicator of starting performance of hydraulic motor. Under the same pressure, the output torque of the special cycloidal hydraulic motor for the conveyor belt from standstill to start rotation is greater than the torque during operation, which makes it difficult for the hydraulic motor to start with load. Therefore, the starting performance is very important for the hydraulic motor, and the starting mechanical efficiency just reflects
