阅读说明：本技术 一种智能减速机 (Intelligent speed reducer ) 是由 胡群飞 张慧明 陈鹏 吴俊峰 于 2020-04-29 设计创作，主要内容包括：本发明提供了一种智能减速机,其在传统减速机的基础上,通过综合应用最新传感器技术、通信与信息技术等现代化的智能控制手段,实时监测减速机运行状态。输入端组件对应于各个部件的连接位置均设置有第一传感器组,所述第一传感器组接收震动、扭矩、力的对应参数；所述输出端组件对应于各个部件的连接位置均设置有第二传感器组,所述第一传感器组接收震动、扭矩、力的对应参数；所述输入端组件、输出端组件中均设置有光栅,所述光栅用于分析减速机输入与输出转动的角度差、用于检测传动误差、差动平稳性；所述输入端组件的外部壳体上还设置有第一信号接收器,所述输出端组件的外部壳体上还设置有第二信号接收器。(The invention provides an intelligent speed reducer, which monitors the running state of the speed reducer in real time by comprehensively applying modern intelligent control means such as latest sensor technology, communication and information technology and the like on the basis of the traditional speed reducer. The input end assembly is provided with a first sensor group corresponding to the connection position of each component, and the first sensor group receives corresponding parameters of vibration, torque and force; the output end assembly is provided with a second sensor group corresponding to the connection position of each component, and the first sensor group receives corresponding parameters of vibration, torque and force; the grating is arranged in the input end assembly and the output end assembly, and is used for analyzing the angle difference between the input rotation and the output rotation of the speed reducer, and detecting a transmission error and differential motion stability; the external shell of the input end assembly is also provided with a first signal receiver, and the external shell of the output end assembly is also provided with a second signal receiver.)

1. An intelligent speed reducer, its characterized in that: the sensor comprises an input end component, a middle transmission part and an output end component, wherein a first sensor group is arranged at the connection position of the input end component corresponding to each component, and receives corresponding parameters of vibration, torque and force; the output end assembly is provided with a second sensor group corresponding to the connection position of each component, and the first sensor group receives corresponding parameters of vibration, torque and force; the grating is arranged in the input end assembly and the output end assembly, and is used for analyzing the angle difference between the input rotation and the output rotation of the speed reducer, and detecting a transmission error and differential motion stability; still be provided with first signal receiver on the outside casing of input end subassembly, first signal receiver is used for receiving first sensor group, corresponds all kinds of signals that the grating was exported, still be provided with second signal receiver on the outside casing of output end subassembly, second signal receiver is used for receiving second sensor group, corresponds all kinds of signals that the grating was exported, first signal receiver, second signal receiver's inside is provided with the converter, first signal receiver, second signal receiver pass through the converter and convert all kinds of signals received into the performance parameter of speed reducer.

2. The intelligent speed reducer of claim 1, wherein: the two gratings are circular gratings respectively and independently arranged at outer ring positions corresponding to an input shaft of the input end assembly and an output shaft of the output end assembly, and the angle difference between the input rotation and the output rotation of the speed reducer is analyzed through the angle difference between two initial positioning points after the input shaft rotates for a plurality of circles and the corresponding output shaft rotates for a corresponding number of circles.

3. The intelligent speed reducer of claim 1, wherein: the first signal receiver and the second signal receiver are respectively transmitted to an external speed reducer monitoring system through signal output, and the speed reducer monitoring system obtains a return clearance, transmission stability and transmission error according to performance parameters and grating data analysis of the first signal receiver and the second signal receiver.

4. The intelligent speed reducer of claim 1, wherein: the first sensor group comprises a plurality of patch sensors, and patch sensors are arranged at the connecting positions of parts corresponding to a shaft, a bearing and a flange in the input end component.

5. The intelligent speed reducer of claim 4, wherein: the second sensor group comprises a plurality of patch sensors, and patch sensors are arranged at the connecting positions of parts corresponding to the shaft, the bearing and the flange in the output end component.

6. The intelligent speed reducer of claim 2, wherein: and the speed reducer monitoring system converts the backlash according to the transmission torque of the input end and the output end and the angle detected by the grating.

Technical Field

The invention relates to the technical field of speed reducer structures, in particular to an intelligent speed reducer.

Background

The speed reducer is a relatively precise machine, is an independent transmission part for reducing the rotating speed, transmitting power and increasing torque, and is widely applied to modern machinery. The existing speed reducer cannot detect the working condition in the operation process, whether the speed reducer is abnormal or not can be checked only by inspection, and the inspection difficulty is increased for some occasions which have radiation and are not beneficial to inspection; therefore, the existing speed reducer cannot predict possible faults in advance, can be found only when the existing speed reducer is damaged, and delays the subsequent production process.

Disclosure of Invention

In order to solve the problems, the invention provides an intelligent speed reducer which monitors the running state of the speed reducer in real time by comprehensively applying modern intelligent control means such as latest sensor technology, communication and information technology and the like on the basis of the traditional speed reducer.

An intelligent speed reducer, its characterized in that: the sensor comprises an input end component, a middle transmission part and an output end component, wherein a first sensor group is arranged at the connection position of the input end component corresponding to each component, and receives corresponding parameters of vibration, torque and force; the output end assembly is provided with a second sensor group corresponding to the connection position of each component, and the first sensor group receives corresponding parameters of vibration, torque and force; the grating is arranged in the input end assembly and the output end assembly, and is used for analyzing the angle difference between the input rotation and the output rotation of the speed reducer, and detecting a transmission error and differential motion stability; still be provided with first signal receiver on the outside casing of input end subassembly, first signal receiver is used for receiving first sensor group, corresponds all kinds of signals that the grating was exported, still be provided with second signal receiver on the outside casing of output end subassembly, second signal receiver is used for receiving second sensor group, corresponds all kinds of signals that the grating was exported, first signal receiver, second signal receiver's inside is provided with the converter, first signal receiver, second signal receiver pass through the converter and convert all kinds of signals received into the performance parameter of speed reducer.

It is further characterized in that:

the two gratings are circular gratings respectively and independently arranged at outer ring positions corresponding to an input shaft of the input end assembly and an output shaft of the output end assembly, and the angle difference between the input rotation and the output rotation of the speed reducer is analyzed through the angle difference between two initial positioning points after the input shaft rotates for a plurality of circles and the corresponding output shaft rotates for a corresponding number of circles;

the first signal receiver and the second signal receiver are respectively transmitted to an external speed reducer monitoring system through signal output, and the speed reducer monitoring system analyzes performance parameters and grating data of the first signal receiver and the second signal receiver to obtain a return clearance, transmission stability and transmission error;

the first sensor group comprises a plurality of patch sensors, and the patch sensors are arranged at the connecting positions of parts corresponding to a shaft, a bearing and a flange in the input end component;

the second sensor group comprises a plurality of patch sensors, and patch sensors are arranged at the connecting positions of parts corresponding to a shaft, a bearing and a flange in the output end component;

the speed reducer monitoring system converts the backlash according to the transmission torque of the input end and the output end and the angle detected by the grating;

the performance change of the speed reducer is observed in real time through online monitoring, theoretical data are provided for replacement, and a direction is provided for improving the performance of the speed reducer.

After the structure of the invention is adopted, the most key performance parameters of the precision servo reducer are converted into the detection of return clearance, transmission stability and transmission error from the traditional noise, vibration and the like, so that the first signal receiver, the second signal receiver and the grating are respectively transmitted to an external reducer monitoring system through signal output through the arrangement of the sensor and the arrangement of the grating, and the reducer monitoring system obtains the return clearance, the transmission stability and the transmission error according to the performance parameters of the first signal receiver and the second signal receiver and the grating data analysis; the performance change of the speed reducer can be detected online at any time, theoretical data are provided for replacement, and a direction is provided for improving the performance of the speed reducer; through data analysis, fault points can be located, fault occurrence time can be predicted, harmful development trends can be monitored, fault occurrence sources can be analyzed, and the like, so that maintenance downtime is effectively reduced, and production efficiency is improved; on the basis of the traditional speed reducer, the running state of the speed reducer is monitored in real time by comprehensively applying modern intelligent control means such as the latest sensor technology, communication and information technology and the like.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

the names corresponding to the sequence numbers in the figure are as follows:

the device comprises an input end assembly 1, an external shell 101, an intermediate transmission part 2, an output end assembly 3, an external shell 301, a first signal receiver 4, a second signal receiver 5 and a speed reducer monitoring system 6.

Detailed Description

An intelligent speed reducer is shown in figure 1: the sensor comprises an input end component 1, a middle transmission part 2 and an output end component 3, wherein the input end component 1 is provided with a first sensor group corresponding to the connection position of each part, and the first sensor group receives corresponding parameters of vibration, torque and force; the output end assembly 3 is provided with a second sensor group corresponding to the connection position of each component, and the first sensor group receives corresponding parameters of vibration, torque and force; the input end assembly 1 and the output end assembly 3 are both provided with gratings, and the gratings are used for analyzing the angle difference between the input rotation and the output rotation of the speed reducer and detecting transmission errors and differential motion stability; the external shell 101 of the input end assembly 1 is further provided with a first signal receiver 4, the first signal receiver 4 is used for receiving various signals output by the first sensor group and the corresponding grating, the external shell 301 of the output end assembly 3 is further provided with a second signal receiver 5, the second signal receiver 5 is used for receiving various signals output by the second sensor group and the corresponding grating, converters are arranged inside the first signal receiver 4 and the second signal receiver 5, and the first signal receiver 4 and the second signal receiver 5 convert the received various signals into performance parameters of the speed reducer through the converters.

The two gratings are circular gratings respectively and independently arranged at outer ring positions corresponding to an input shaft of the input end assembly 1 and an output shaft of the output end assembly 3, and the angle difference between the input rotation and the output rotation of the speed reducer is analyzed through the angle difference between two initial positioning points after the input shaft rotates for a plurality of circles and the corresponding output shaft rotates for a corresponding number of circles;

the first signal receiver 4 and the second signal receiver 5 respectively transmit signals to an external speed reducer monitoring system 6 through signal output, and the speed reducer monitoring system 6 analyzes performance parameters and grating data of the first signal receiver 4 and the second signal receiver 5 to obtain a return clearance, transmission stability and transmission errors;

the first sensor group comprises a plurality of patch sensors, the connecting positions of parts corresponding to a shaft, a bearing and a flange in the input end component are all provided with the patch sensors, and the corresponding patch sensors are connected to the first signal receiver 4 in a wireless data transmission mode;

the second sensor group comprises a plurality of patch sensors, the connecting positions of parts corresponding to a shaft, a bearing and a flange in the output end component are all provided with the patch sensors, and the corresponding patch sensors are connected to the second signal receiver 5 in a wireless data transmission mode;

the patch sensor is convenient and quick to install and does not occupy redundant space;

the speed reducer monitoring system 6 converts the backlash according to the transmission torque of the input end and the output end and the angle detected by the grating;

the performance change of the speed reducer is observed in real time through online monitoring, theoretical data are provided for replacement, and a direction is provided for improving the performance of the speed reducer.

The working principle is as follows: the most key performance parameters of the precision servo reducer are converted from traditional noise, vibration and the like into detection of return clearance, transmission stability and transmission error, so that the first signal receiver, the second signal receiver and the grating are respectively transmitted to an external reducer monitoring system through signal output through the arrangement of a sensor and the arrangement of the grating, and the reducer monitoring system analyzes the performance parameters and the grating data of the first signal receiver and the second signal receiver to obtain the return clearance, the transmission stability and the transmission error; the performance change of the speed reducer can be detected online at any time, theoretical data are provided for replacement, and a direction is provided for improving the performance of the speed reducer; through data analysis, fault points can be located, fault occurrence time can be predicted, harmful development trends can be monitored, fault occurrence sources can be analyzed, and the like, so that maintenance downtime is effectively reduced, and production efficiency is improved; on the basis of the traditional speed reducer, the running state of the speed reducer is monitored in real time by comprehensively applying modern intelligent control means such as the latest sensor technology, communication and information technology and the like.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.