Circumferential torsional vibration detection device for RV speed reducer
By designing the circumferential torsional vibration detection device for RV reducer, the continuous testing of reducer vibration is achieved using servo motors and sensors, the problem of low efficiency of existing equipment is solved and efficient and fast vibration testing is achieved.
Patent Information
- Application Number
- CN202421791663.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-27
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-27
AI Technical Summary
The existing reducer vibration testing equipment is inefficient and slow. It is impossible to achieve continuous testing by using the "one action, one stop and one sampling" method.
A circumferential torsional vibration detection device for RV reducer is designed. Through the installation of RV reducer and servo motor, the data on load vibration changes are continuously collected at different speeds by sensors, and wirelessly transmitted to the computer for analysis.
It realizes continuous testing of reducer vibration, with high efficiency, fast speed, simple structure and high test accuracy. It can test the operating vibration of various types of reducers and generate detailed vibration test data reports.
Smart Images
Figure CN222866222U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a vibration testing device for a reducer, in particular to a circumferential torsional vibration detection device for an RV reducer. Background Art
[0002] As a core component widely used in the field of industrial robots, the transmission performance of the reducer directly affects the positioning accuracy and working performance of the industrial robot. With the continuous development of intelligent industrial production technology, the performance requirements for reducers are also higher. Reducer vibration, as one of the important performance indicators of reducers, directly affects the positioning accuracy and operating safety of robots. Therefore, the vibration test of reducers is an important means of mechanical structure design and feasibility demonstration of reducers. The existing test machines on the market adopt "one move, one stop, and one sampling", which is inefficient and slow. Summary of the invention
[0003] The purpose of the utility model is to provide a circumferential torsional vibration detection device for RV reducers with continuous testing and high efficiency in view of the above-mentioned existing problems.
[0004] The purpose of the utility model is achieved in this way. A circular torsional vibration detection device for an RV reducer is provided. The RV reducer and a servo motor are installed on a base, the base is installed on a chassis, the RV reducer is connected to an intermediate support column through a reducer connecting flange, the intermediate support column is connected to a cross arm, a weight is hung at the end of the cross arm, and a sensor is arranged on the upper side of the weight; the servo motor is controlled by an electrical control unit through a servo driver, and the RV reducer is driven by the servo motor to obtain a load rotation with a lower speed, and the data of load vibration changes are collected by the sensor at different speeds through continuous rotation of the switch speed control knob, and the vibration value of the load is obtained through a data analysis unit.
[0005] In the utility model, the data collected by the sensor is transmitted to the vibration data analysis software on the computer by wireless transmission, and a vibration curve diagram is drawn.
[0006] Compared with the existing testing machines on the market that adopt the "one move, one stop, and one sampling" method, the utility model adopts continuous testing at different rotation speeds, which is highly efficient and fast; it has a simple structure and high testing accuracy, and can test the operating vibrations of various types of reducers. It can continuously collect data on vibration changes at one time and draw a vibration curve graph, and the vibration test data report can be generated and printed out by the vibration data analysis software on the computer. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;
[0008] Figure 2 yes Figure 1 Embodiment installation A vibration curve diagram of a speed reducer vibrating when the servo motor rotates forward;
[0009] Figure 3 yes Figure 1 Embodiment A vibration curve diagram of a speed reducer vibrating when a servo motor reverses is installed.
[0010] In the figure, 1. chassis; 2. base; 3. RV reducer; 4. reducer connecting flange; 5. middle support column; 6. servo motor; 7. sensor; 8. cross arm; 9. weight. Implementation
[0011] Reference Figure 1 The present embodiment is a circumferential torsional vibration detection device for an RV reducer. An RV reducer 3 and a servo motor 6 are installed on a base 2, and the base is installed on a chassis 1. The chassis is provided to maintain balance. The RV reducer is connected to an intermediate support column 5 through a reducer connecting flange 4, and the intermediate support column is connected to a cross arm 8. A weight 9 is hung at the end of the cross arm, and a sensor 7 is provided on the upper side of the weight. The servo motor is controlled by an electrical control unit through a servo driver, and the RV reducer is driven by the servo motor to obtain a load rotation at a lower speed. The sensor collects data on load vibration changes at different speeds through continuous rotation of the switch speed control knob, and the vibration value of the load is obtained through a data analysis unit.
[0012] In the utility model, the data collected by the sensor is transmitted to the vibration data analysis software on the computer by wireless transmission, and a vibration curve diagram is drawn.
[0013] In the utility model, the load includes the weight of the cross arm and the weight.
[0014] In the utility model, the mechanical body units such as the RV reducer and the intermediate support column need to be coaxially and stably installed to ensure good test accuracy.
[0015] This utility model, referring to Figures 2 to 3 The reducer model for this measurement is JLRV-260CA, with a speed ratio of 1:138.75. After the RV reducer is coaxially installed with the middle support column, open the vibration data analysis software and set the corresponding parameters. Click to start acquisition, turn on the servo motor switch button, adjust to the specified speed, and start measuring. Due to the use of continuous rotation sampling, it is more efficient and faster than the "one move, one stop, one sampling" method used by existing test machines on the market. In terms of test results, the utility model adopts a combination of automatic data analysis and graphics, which not only reduces the difficulty of operation and the operation process, but also makes the test results clear at a glance. The measurement results are the maximum vibration value of forward rotation: 0.04232, the maximum vibration value of reverse rotation: 0.04592, and the vibration test judgment: qualified.
[0016] The following are Figure 1 The embodiment installs a vibration test data report of a reducer.
[0017]
Claims
1. A circumferential torsional vibration detection device for an RV reducer, characterized in that: The RV reducer (3) and the servo motor (6) are mounted on the base (2), the base is mounted on the chassis (1), the RV reducer is connected to the intermediate support column (5) via the reducer connecting flange (4), the intermediate support column is connected to the cross arm (8), a weight (9) is hung at the end of the cross arm, and a sensor (7) is arranged on the upper side of the weight; The electrical control unit controls the servo motor through the servo driver, and the servo motor drives the RV reducer to obtain low-speed load rotation. The sensor collects data on load vibration changes at different speeds through continuous rotation of the switch speed knob, and the vibration value of the load is obtained through the data analysis unit.
2. The circumferential torsional vibration detection device for RV reducer according to claim 1, characterized in that: The data collected by the sensor is transmitted wirelessly to the vibration data analysis software on the computer, and a vibration curve is drawn.