What should be paid attention to during the installation and use of the hydraulic motor? The manufacturer of the Dalan Motors tells you that the drive shaft of the hydraulic motor must be concentric with other mechanical connections or be connected flexibly. 1. The bearing of the hydraulic motor is subject to the radial force. For motors that cannot bear the radial force, the transmission parts such as the pulley should not be directly mounted on the main shaft. 1 The drive sprocket is driven by a hydraulic motor, and the driven sprocket drives the conveyor belt roller. According to the user's report, the motor often leaked oil, and the seal was replaced after less than 3 months. 2 What causes the oil leakage? The hydraulic motor drives the pulley through the chain drive. Because the chain drive also generates radial force, the oil seal is deformed by the radial force, resulting in oil leakage. 2, hydraulic motor chain drive 1 motor leakage oil pipe should be unblocked, generally do not connect back pressure, when the leakage pipe is too long or connected to back pressure due to some needs, its size must not exceed the value allowed by the low pressure seal. 2 The external leakage oil should ensure that the motor casing is filled with oil to prevent all the oil in the casing from flowing back to the tank when the machine is stopped. 3 For motors with long downtime, they cannot be directly loaded with full load, and should be used after a period of operation. 3. The frame of the motor must have sufficient rigidity. 1 The bracket and the base of the motor must be rigid enough to withstand the reaction force of the motor when outputting torque. 2 Insufficient rigidity of the frame of the mounting motor will cause vibration or deformation, and even an accident will occur, and the concentricity of the connection between the driver and the motor shaft cannot be guaranteed to be within 0.1 mm. 4, hydraulic motor and gearbox is not suitable for use 1 hydraulic drive one of the characteristics is the power to weight ratio, and under normal circumstances, the hydraulic motor circuit itself can complete the usual speed control, shifting function. 2 If the hydraulic motor is used together with the gearbox, the hydraulic control is lost, and the volume and cost of the device are significantly increased. 5. The drain port of the hydraulic motor should be returned to the tank separately. Although the return pressure is not high from the general concept, the oil return in many hydraulic systems still has a certain pressure, and the drain of the hydraulic motor is not Allow pressure. 2 The inside of the drain port of the hydraulic motor is connected to the housing cavity. The shaft seal of the motor shaft only acts as a seal and is not resistant to pressure. If this port is connected with other oil return lines, it will easily cause damage to the motor shaft seal, resulting in oil leakage. Therefore, it is not allowed to connect the drain port of the hydraulic motor and other oil return lines. 6, the hydraulic motor should not enter the air 1 hydraulic system in the initial work, inevitably will contain air in the system's pipeline. 2 An important part of system commissioning is to exhaust the air in the system, which is especially important for hydraulic motors. 3 The hydraulic medium has a process in the motor that suddenly changes from high pressure to low pressure, and the process frequency is high, averaging about 10 times per revolution. 4 When the hydraulic oil entering the motor contains air, it will locally cause cavitation at the sudden change of pressure, causing the motor to be damaged quickly. ----- Responsible Editor: Dalan Oil Pump Motor 02- Purchasing Consultant Copyright http:/(Dalan Motor) Reprint, please indicate the source http://news.chinawj.com.cn
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