Dynamic pressure sliding bearing temperature control system

Abstract

The invention relates to the technical field of a sliding bearing and discloses a dynamic pressure sliding bearing temperature control system. The dynamic pressure sliding bearing temperature controlsystem comprises a micro processor, a temperature sensor, a current sensor, a display, a buzzer, a relay and a power source, wherein the micro processor is connected with a host of a comprehensive measurement and control system and is used for sending and receiving digital signals, an A / D port of the micro processor is connected with the temperature sensor and the current sensor and is used for receiving simulation signals, an I / O port of the micro processor is connected with the sliding bearing and an operation state of a cooling system and is used for receiving the digital signals, and the I / O port of the micro processor is connected with the display, the buzzer and the relay and is used for outputting the digital signals. The temperature of the sliding bearing is continuously monitoredand recorded, start and stop of the cooling system are automatically controlled, the sound alarm function is realized, the physical dimension is compact, and electrical performance is more reliable.

Description

technical field [0001] The invention relates to the technical field of sliding bearings, in particular to a temperature control system for a dynamic pressure sliding bearing. Background technique [0002] Sliding bearings are important components to ensure the normal and safe operation of the transmission system. As the most important factor affecting the performance of sliding bearings, materials need to have good wear resistance, compliance, embedding, running-in and seizure resistance. At present, the more commonly used sliding bearing materials are Babbitt alloy, copper alloy, aluminum alloy and TiAl alloy. [0003] Babbitt alloy is the earliest material used in sliding bearings, which has good wear-reducing characteristics, embedability and compliance. There are two types of common babbitt alloys, namely tin-based alloys and lead-based alloys. Among them, tin-based alloys are superior to lead-based alloys in terms of strength, hardness, and corrosion resistance, but ...

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Problems solved by technology

[0004] At present, the biggest defect of babbitt alloy is the creep behavior, and its temperature sensitivity is closely related to the creep behavior, which leads to the decrease of babbitt alloy in many properties such as strength and hardness with the increase of temperature.

Public literature has shown that with the increase of temperature, the mechanical strength of Babbitt alloy decreases sharply. When the temperature value is 2-3°C higher than the rated allowable value, the sliding bearing may be damaged, and the rotor or journal is prone to damage. Deformation; when the temperature reaches only 100°C, there will be a danger of melting, which will cause tile burning

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