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        常見的用工形式-內蒙古勞務派遣-博華

        發布時間:2023-03-17瀏覽次數:296

        The cycloidal gear reducer has a unique operating mode to extend its service life, reduce the comprehensive cost of developing a more meticulous maintenance and upkeep plan, implement it in place, and make emergency preparedness for faults in order to better handle these problems. Through daily experience of maintenance and repair, the advantages of cycloidal gear reducers can be fully utilized to improve work efficiency.


        The cycloidal gear reducer is a new type of transmission device, and its principle is based on the theory of planetary transmission cycloidal meshing, utilizing work. The main components of a cycloidal pinwheel reducer include an input device, a reduction device, and an output device. Only the harmony of the three makes it possible for the reducer to operate.


        Usually, a double eccentric sleeve is installed on the input shaft of the cycloidal needle gear reducer, and on this basis, two roller bearings are installed, which are generally called rotating arms. These devices together form an H mechanism. The roller path of the rotating arm bearing on the eccentric sleeve is the middle hole between the cycloidal gears, and the internal meshing reduction mechanism with a tooth difference of one tooth is formed by the meshing of the needle teeth on the cycloidal gear and the needle gear, Sometimes, in order to effectively reduce friction resistance, needle gear sleeves are installed on the needle teeth of some smaller speed reducers.


        When the cycloidal needle wheel decelerates, it drives the input shaft of the eccentric sleeve to rotate for one cycle. Due to the limitations of the cycloidal tooth profile curve of the motion characteristics, the revolution and planar motion are rotated to form cycloidal motion. When the input shaft rotates clockwise for one cycle, the eccentric sleeve will follow a cycle of rotation, and then it can move in the opposite direction from the teeth of the surrounding cycloidal gear to achieve a reduced impact. Then, through the W output mechanism, the cycloidal gear is transmitted to the output shaft for low-speed rotational motion output speed, reducing the impact.


        Based on the working principle of the cycloidal pinwheel reducer, the performance system of the reducer is studied. For transmission systems with internal connections, especially precision transmission systems, the core issue of dynamic research is the dynamic accuracy detection of the transmission chain. From the perspective of signal analysis, it is to obtain characteristic information of time-domain errors; From the perspective of dynamic systems, it is the dynamic response of the system. With the support of data processing, signal analysis, and computer technology, the transmission system utilizes dynamic error detection devices to measure time-domain error information as the starting point. The connotation of transmission system dynamics should include the following aspects.


        (1) Dynamic accuracy detection of transmission chain


        The excitation of the transmission system includes periodic excitation caused by machining and assembly errors of various transmission components within the chain, such as cycloidal gears, pinwheels, gears, worm gears, worms, screws, and shaft systems, torsional vibration and impact excitation of transmission components during operation of the transmission chain, as well as random excitation caused by power grid fluctuations and transient unstable operation of transmission components.


        (2) Time domain analysis and processing of errors


        By using data processing techniques to statistically process error samples in the time domain, the characteristic values of the transmission system in the time domain can be obtained to evaluate the accuracy of the system. Further correlation analysis of the system's time-domain error can determine the nature of the error.


        (3) Frequency domain analysis of errors


        By using the spectrum analysis technology in signal analysis, the time-domain error of the cycloidal pinwheel reducer system is transformed into the frequency domain for spectrum analysis. Then, the spectrum obtained from the analysis is compared and analyzed with each transmission component of the transmission chain at a certain operating speed. By accurately identifying the fault location within the chain and the contribution of each transmission component error to the overall chain error, the fault diagnosis of the transmission system can be achieved.


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