Face gear speed reducer performance test system

Abstract

The face gear speed reducer performance testing system comprises an operation platform, a driving device, a load device and a control device, and the driving device and the load device are located at the two longitudinal ends of the operation platform respectively; the driving device comprises a driving motor and an input assembly, one end of the input assembly is connected with the driving motor, the other end is connected with an input shaft of the to-be-detected speed reducer, and the input assembly is used for detecting position speed information of the input shaft of the to-be-detected speed reducer; the load device comprises a load motor and an output assembly, one end of the output assembly is connected with the load motor, the other end is connected with an output shaft of the to-be-detected speed reducer, and the output assembly is used for detecting position speed information of the output shaft of the to-be-detected speed reducer; and the driving device and the load device are respectively connected with the control device. The test system can be used for testing different performances of the speed reducer; and meanwhile, functions and structures are modularized and are integrated in one test system in a module combination form, so that production and processing are facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of speed reducer performance testing, and in particular, to a face gear speed reducer performance testing system. Background Art

[0002] As one of the core components of robots, the performance and quality of precision reducers largely determine the accuracy and load capacity of motion joints. The existing robotics field mainly uses harmonic, cycloidal, RV and planetary reducers, and their performance indicators need to be tested by dedicated test benches. Among them, the indicators used for measurement cover multiple dimensions: speed torque, power, efficiency, reduction ratio, noise vibration, torsional stiffness, idle travel, backlash, etc. The numerous test indicators also put forward all-round requirements for the test equipment accordingly. At present, conventional reducer product performance testers are generally composed of source power motors, input torque and speed sensors, output torque and speed sensors, brakes, torque and speed power measuring instruments, computers, and test software;

[0003] As a dynamic test device, the existing test bench can only rotate continuously in one direction and cannot complete dynamic and static measurements during reciprocating rotation. It has the characteristics of low test accuracy and efficiency, small adaptability, and cannot achieve fast loading response time and loading of arbitrary load curves, and it is difficult to highly simulate the real-time operating conditions used on site. Utility Model Content

[0004] A face gear reducer performance testing system is provided in an embodiment of the present application to solve the problems of the existing testing devices having a single test scenario and a small adaptability range.

[0005] In order to achieve the above objectives, this application provides the following technical solutions:

[0006] A face gear reducer performance test system comprises a working platform, a driving device, a loading device and a control device, wherein the driving device and the loading device are respectively located at two longitudinal ends of the working platform;

[0007] The driving device comprises a driving motor and an input component, wherein the driving motor is used to drive the input shaft of the reducer to be tested to rotate at a preset speed, one end of the input component is connected to the driving motor, and the other end is used to connect to the input shaft of the reducer to be tested, and the input component is used to detect the position speed information of the input shaft of the reducer to be tested;

[0008] The load device includes a load motor and an output assembly, wherein the load motor is used to be connected to the output shaft of the reducer to be tested with a preset load, one end of the output assembly is connected to the load motor, and the other end is used to be connected to the output shaft of the reducer to be tested, and the output assembly is used to detect the position speed information of the output shaft of the reducer to be tested;

[0009] The driving device and the load device are connected to the control device respectively.

[0010] Optionally, the input component includes:

[0011] A first bearing support seat, a first angle encoder and a tension sleeve, wherein one end of the first bearing support seat is connected to the output shaft of the drive motor, and the other end of the first bearing support seat is connected to the tension sleeve, and the tension sleeve is used to be fixed to the input shaft of the reducer to be tested. The first angle encoder is located on the tension sleeve and is used to detect the position speed information of the input shaft of the reducer to be tested.

[0012] Optionally, the driving device also includes a first torque and speed detection component, which is used to detect the input torque and input speed of the reducer to be tested; one end of the first torque and speed detection component is connected to the output end of the driving motor via a coupling, and the other end of the first torque and speed detection component is connected to the first bearing support seat via a coupling.

[0013] Optionally, the output component includes:

[0014] A second bearing support seat, a second angle encoder and a spline shaft, one end of the second bearing support seat is connected to the output shaft of the load motor, the other end of the second bearing support seat is connected to the spline shaft, the spline shaft is used to be fixed to the output shaft of the reducer to be tested, and the second angle encoder is located on the spline shaft, and is used to detect the position and speed information of the output shaft of the reducer to be tested.

[0015] Optionally, the load device also includes a second torque and speed detection component for detecting the output torque and output speed of the reducer to be tested; one end of the second torque and speed detection component is connected to the output end of the load motor via a coupling, and the other end of the second torque and speed detection component is connected to the second bearing support seat via a coupling.

[0016] Optionally, it further includes a clamping tool for clamping the reducer to be tested; the clamping tool includes:

[0017] A mounting frame, detachably fixed on the working platform;

[0018] A transition plate, located at the center of the mounting frame, used for mounting the reducer to be tested;

[0019] The adapter spline flange has one end for fixing to the output flange of the reducer to be tested and the other end for fixing to the spline shaft.

[0020] Optionally, the clamping tool further includes:

[0021] A vibration detection component is located on the mounting frame and is used to detect vibration parameters of the reducer to be tested; the vibration detection component is connected to the control device.

[0022] Optionally, it also includes:

[0023] A slide rail, the slide rail being fixed to the upper surface of the working platform in the longitudinal direction;

[0024] The sliding plates are respectively located below the driving device and the loading device, and the sliding plates are slidably connected to the slide rails to drive the driving device and / or the loading device to slide on the slide rails.

[0025] Optionally, it also includes:

[0026] A shaking hand wheel is located on the sliding plate and connected to the pulley of the sliding plate, and is used to drive the pulley to rotate so as to drive the sliding plate to slide along the slide rail;

[0027] And / or, a clamp, located at the bottom of the sliding plate, is used to brake the pulley of the sliding plate.

[0028] Optionally, it also includes:

[0029] A host computer is connected to the control device and is used to upload test data.

[0030] The face gear reducer performance testing system provided in the embodiment of the present application includes a working platform, a driving device, a load device and a control device, wherein the driving device and the load device are respectively located at the two longitudinal ends of the working platform; the driving device includes a driving motor and an input component, one end of the input component is connected to the driving motor, and the other end is used to connect to the input shaft of the reducer to be tested, and the input component is used to detect the position and speed information of the input shaft of the reducer to be tested; the load device includes a load motor and an output component, one end of the output component is connected to the load motor, and the other end is used to connect to the output shaft of the reducer to be tested, and the output component is used to detect the position and speed information of the output shaft of the reducer to be tested; the driving device and the load device are respectively connected to the control device.

[0031] Compared with the prior art, the face gear reducer performance test system provided in the embodiment of the present application has the following technical effects:

[0032] A driving device and a loading device are respectively provided at the longitudinal ends of the working platform. The driving device is connected to the input shaft of the reducer to be tested, and is used to input parameters such as the input torque, speed and power of the reducer to be tested; the loading device is connected to the output shaft of the reducer to be tested, and is used to detect parameters such as the output torque, speed and power of the reducer to be tested. The driving device and the loading device operate according to the established parameters respectively, so as to be able to test different performances of the reducer; at the same time, the functions and structures are modularized, and concentrated in a test system in the form of module combination, which is convenient for production and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0034] Figure 1 A schematic diagram of the axonometric structure of a face gear reducer performance test system provided in an embodiment of the present application;

[0035] Figure 2 for Figure 1 Schematic diagram of the main structure;

[0036] Figure 3 A schematic diagram of the axonometric structure of a face gear reducer performance test system provided by another embodiment of the present application;

[0037] Figure 4 A schematic diagram of the structure of a load device provided in an embodiment of the present application;

[0038] Figure 5 A schematic diagram of the structure of a driving device provided in an embodiment of the present application;

[0039] Figure 6 A schematic diagram of the structure of the clamping tool provided in an embodiment of the present application.

[0040] The following are marked in the accompanying drawings:

[0041] Working platform 10, driving device 20, loading device 30, clamping tool 40;

[0042] A driving motor 21, a first bearing support seat 22, a first angle encoder 23, a tension sleeve 24, and a first torque and speed detection assembly 25;

[0043] A load motor 31, a second bearing support seat 32, a second angle encoder 33, a spline shaft 34, a second torque and speed detection assembly 35, and a reducer to be tested 36;

[0044] Mounting frame 41, transition plate 42, adapter spline flange 43, vibration detection assembly 44;

[0045] Slide rail 51 , slide plate 52 , rocking hand wheel 53 , clamp 54 . DETAILED DESCRIPTION

[0046] The utility model discloses a surface gear reducer performance test system to solve the problems of single test scenario and small adaptability of existing test devices.

[0047] In order to make the technical solutions and advantages in the embodiments of the present application more clearly understood, the exemplary embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than an exhaustive list of all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0048] See also Figure 1-6 , Figure 1 A schematic diagram of the axonometric structure of a face gear reducer performance test system provided in an embodiment of the present application; Figure 2 for Figure 1 Schematic diagram of the main structure; Figure 3 A schematic diagram of the axonometric structure of a face gear reducer performance test system provided by another embodiment of the present application; Figure 4 A schematic diagram of the structure of a load device provided in an embodiment of the present application; Figure 5 A schematic diagram of the structure of a driving device provided in an embodiment of the present application; Figure 6 A schematic diagram of the structure of the clamping tool provided in an embodiment of the present application.

[0049] In a specific embodiment, the face gear reducer performance testing system provided in the present application includes a working platform 10, a drive device 20, a load device 30 and a control device, wherein the drive device 20 and the load device 30 are respectively located at the longitudinal ends of the working platform 10; the drive device 20 and the load device 30 are respectively connected to the control device; the reducer 36 to be tested is arranged on the working platform 10 and is located between the drive device 20 and the load device 30; the control device is generally connected to the host computer, receives control instructions and drives the load device 30 and the drive device 20 to operate according to predetermined parameters according to the instructions.

[0050] Specifically, the driving device 20 includes a driving motor 21 and an input component. The driving motor 21 is used to drive the input shaft of the reducer 36 to be tested to rotate at a preset speed. One end of the input component is connected to the driving motor 21, and the other end is used to connect to the input shaft of the reducer 36 to be tested. The input component is used to detect the position speed information of the input shaft of the reducer 36 to be tested; the driving motor 21 is configured as a servo motor, and the servo motor has a DC bus mode inside, which changes the traditional load mode, improves the dynamic measurement range and accuracy of the system's torque and speed, improves the loading performance (forward / reverse, reverse drag), shortens the loading response time, and can realize the loading of any load curve, thereby highly simulating the real operating conditions.

[0051] The input component is used to connect the drive motor 21 and the reducer 36 to be tested. One end of the input component is connected to the drive motor 21, and the other end is connected to the input shaft of the reducer 36 to be tested. The input component can detect the position speed information of the input shaft of the reducer 36 to be tested and send it to the control device. It can be understood that the drive motor 21 and the input component are respectively connected to the control device, and the input component may include torque, speed, temperature, angle, power and other sensors to collect relevant parameters of the input shaft of the reducer 36 to be tested in real time.

[0052] Accordingly, the load device 30 includes a load motor 31 and an output assembly, wherein the load motor 31 is used to be connected to the output shaft of the reducer 36 to be tested with a preset load, one end of the output assembly is connected to the load motor 31, and the other end is used to be connected to the output shaft of the reducer 36 to be tested, and the output assembly is used to detect the position speed information of the output shaft of the reducer 36 to be tested;

[0053] The load motor 31 is connected to the output shaft of the reducer 36 to be tested through the output assembly. The load at the output end of the reducer 36 to be tested is adjusted by the load motor 31 to detect parameters such as torque, speed and power of the reducer output shaft in real time.

[0054] Compared with the prior art, the face gear reducer performance test system provided in the embodiment of the present application has the following technical effects:

[0055] A driving device 20 and a loading device 30 are respectively provided at the longitudinal ends of the working platform 10. The driving device 20 is connected to the input shaft of the reducer 36 to be tested, and is used to input parameters such as input torque, rotation speed and power of the reducer 36 to be tested; the loading device 30 is connected to the output shaft of the reducer 36 to be tested, and is used to detect parameters such as output torque, rotation speed and power of the reducer 36 to be tested. The driving device 20 and the loading device 30 are respectively operated according to predetermined parameters so as to be able to test different performances of the reducer; at the same time, the functions and structures are modularized and concentrated in a test system in the form of module combination, which is convenient for production and processing.

[0056] In this embodiment, the input component includes a first bearing support seat 22, a first angle encoder 23 and a tensioning sleeve 24. One end of the first bearing support seat 22 is connected to the output shaft of the drive motor 21, and the other end of the first bearing support seat 22 is connected to the tensioning sleeve 24. The tensioning sleeve 24 is used to fix the input shaft of the reducer 36 to be tested. The first angle encoder 23 is located on the tensioning sleeve 24 and is used to detect the position speed information of the input shaft of the reducer 36 to be tested.

[0057] The first bearing support seat 22 is located on the working platform 10, and the tensioning sleeve 24 is supported on the working platform 10 through the support. It can be understood that the reading plate of the first angle encoder 23 is located on the support, and the magnetic ring of the first angle encoder 23 is located on the tensioning sleeve 24 to detect the position speed information of the input shaft of the reducer 36 to be tested.

[0058] The tension sleeve 24 is preferably a hydraulic tension sleeve 24, which is a quick-release structure and can quickly connect or disconnect the mechanical connection between the drive motor 21 and the reducer 36 to be tested, so as to shorten the disassembly and assembly time and improve the test efficiency.

[0059] Specifically, the drive device 20 also includes a first torque speed detection component 25, which is used to detect the input torque and input speed of the reducer 36 to be tested; one end of the first torque speed detection component 25 is connected to the output end of the drive motor 21 via a coupling, and the other end of the first torque speed detection component 25 is connected to the first bearing support seat 22 via a coupling; the coupling is preferably an elastic coupling or a flexible coupling to provide a certain radial compensation. The first torque speed detection component 25 can be set as a torque speed detection sensor. Similarly, the first torque speed detection component 25 is connected to the control device to upload the detected input torque and input speed to the processor.

[0060] In another embodiment, the output component includes a second bearing support seat 32, a second angle encoder 33 and a spline shaft 34, one end of the second bearing support seat 32 is connected to the output shaft of the load motor 31, and the other end of the second bearing support seat 32 is connected to the spline shaft 34, the spline shaft 34 is used to be fixed to the output shaft of the reducer 36 to be tested, and the second angle encoder 33 is located on the spline shaft 34, and is used to detect the position speed information of the output shaft of the reducer 36 to be tested.

[0061] The second bearing support seat 32 is located on the working platform 10, the spline shaft 34 is supported on the working platform 10 through the support, the reading plate of the second angle encoder 33 is located on the support, and the magnetic ring of the second angle encoder 33 is located on the spline shaft 34 to detect the position and speed information of the output shaft of the reducer 36 to be tested.

[0062] The load motor 31 is connected to the input shaft of the output assembly after being decelerated and torque-increased by the load reducer, and the second bearing support seat 32 is used to support the output of the load motor 31. At the same time, the structure of the spline shaft 34 enables rapid disassembly and assembly with the reducer 36 to be tested, shortening the disassembly and assembly time and improving the test efficiency.

[0063] Similarly, the load device 30 also includes a second torque speed detection component 35, which is used to detect the output torque and output speed of the reducer 36 to be tested; one end of the second torque speed detection component 35 is connected to the output end of the load motor 31 via a coupling, and the other end of the second torque speed detection component 35 is connected to the bearing support seat via a coupling. The coupling is preferably an elastic coupling or a flexible coupling to provide a certain radial compensation. The torque speed detection component can be set as a torque speed detection sensor. Similarly, the torque speed detection component is connected to the control device to upload the detected output torque and output speed of the reducer 36 to be tested to the processor.

[0064] Specifically, the load motor 31 is connected to the torque speed sensor through an elastic coupling after being decelerated and torque-increased by the load reducer, and the output shaft of the torque speed sensor is connected to the input shaft of the output component by a quick-release structure.

[0065] In one embodiment, the test system further includes a clamping fixture 40, which includes a mounting frame 41, a transition plate 42 and a transfer spline flange 43; wherein the mounting frame 41 is detachably fixed on the working platform 10, and the position between the reducer 36 to be tested and the working platform 10 is fixed by the mounting frame 41; the transition plate 42 is located at the center of the mounting frame 41, and is used to install the reducer 36 to be tested; one end of the transfer spline flange 43 is used to be fixed to the output flange of the reducer 36 to be tested, and the other end is fixed to the spline shaft 34; the reducer 36 to be tested is assembled with the transition plate 42 as a whole, and then the transition plate 42 is installed on the mounting frame 41, and the mounting frame 41 is preferably provided with a guide pin for auxiliary positioning, and then the transfer spline flange 43 is installed with the output flange of the reducer 36 to be tested. The guide pins are preferably set to 2, and are symmetrically arranged along the axis to improve the guiding effect. Thus, the input shaft of the reducer 36 to be tested is connected to the tension sleeve 24 of the driving device 20, and the output flange is connected to the spline shaft 34 of the load device 30 via the adapter spline flange 43, thereby realizing the series connection between the power and the load.

[0066] The mounting frame 41 may be configured as an L-shaped bracket, which is more firmly connected to the working platform 10 .

[0067] Specifically, the clamping tool 40 also includes a vibration detection component 44, which is located on the mounting frame 41 and is used to detect the vibration parameters of the reducer 36 to be tested; the vibration detection component 44 is connected to the control device; the vibration detection component 44 is configured as a vibration sensor to monitor the smooth operation of the reducer; the vibration detection component 44 is preferably arranged on the top wall of the mounting frame 41.

[0068] On the basis of the above embodiments, it also includes a slide rail 51 and a slide plate 52; the slide rail 51 is fixed to the upper surface of the working platform 10 along the longitudinal direction; the slide plate 52 is respectively located below the driving device 20 and the loading device 30, and the sliding plate 52 is slidably connected to the slide rail 51 to drive the driving device 20 and / or the loading device 30 to slide on the slide rail 51.

[0069] A set of slide rails 51 are arranged opposite to each other in the transverse direction on the upper surface of the working platform 10 and extend in the longitudinal direction of the working platform 10; sliding plates 52 are respectively arranged below the driving device 20 and / or the loading device 30, and the sliding plates 52 slide along the slide rails 51 to realize the toward and away movement between the driving device 20 and the loading device 30, so as to achieve rapid alignment, so that each component is easy to disassemble and coaxially assemble, and can adapt to the installation of reducers 36 to be tested of different sizes and types.

[0070] It can be understood that pulleys are respectively provided at the bottom of the sliding plate 52, preferably two groups are provided, and each group is provided with 2 pulleys. In other embodiments, the number of pulleys can be set as required.

[0071] Furthermore, the system is further provided with a rocking hand wheel 53, which is located on the sliding plate 52 and connected to the pulley of the sliding plate 52, and is used to drive the pulley to rotate, so as to drive the sliding plate 52 to slide along the slide rail 51, thereby being able to be aligned as needed, so as to facilitate the installation of test pieces of different sizes and types;

[0072] In order to fix the sliding plate 52 after centering, a clamp 54 is set at the bottom of the sliding plate 52 for braking the pulley of the sliding plate 52 so that the position of the sliding plate 52 and the working platform 10 is fixed after reaching the specified position, which is convenient for subsequent testing operations.

[0073] Preferably, the drive device 20 and the load device 30 respectively use servo motors and corresponding frequency conversion controllers, which can control the input speed (speed mode) and the output load (torque mode) according to the requirements of different test items. The motor control system is based on the Profinet bus, and controls the drive and load motors 31 with the Siemens S120 series frequency conversion control unit. High-precision torque sensor and angle encoder signals are collected through the German Beckhoff module to achieve PID closed-loop control. The system adopts integrated measurement and control operation control, and has the processing functions of automatic data collection and automatic report generation. For abnormal values ​​exceeding the threshold, the host computer software will independently judge the alarm and cut off and protect the test device when necessary.

[0074] In a specific implementation, the testing process includes the following:

[0075] No-load test: disconnect the output end of the reducer 36 to be tested, start the drive device 20 to run at rated speed in both forward and reverse directions for 2 hours each, and record the torque, speed and power of the input end of the reducer 36 to be tested;

[0076] Load test: At rated speed, load the machine step by step at 25%, 50%, 75% and 100% of the rated load. The operation time of 25%, 50% and 75% load is 20 minutes, and 100% rated load is 2 hours. The same operation is performed in reverse direction, and the torque, speed and power of the input and output ends of the reducer 36 to be tested are recorded at the same time;

[0077] Overload test: After the no-load test and the load test, at the rated speed, overload 50%, run forward and reverse for 30 minutes each; overload 150%, run forward and reverse for 1 minute each. At the same time, record the torque, speed and power of the input and output ends of the reducer 36 to be tested;

[0078] Transmission efficiency: start the drive device 20 and operate it under different speeds and load conditions as required, record the input and output torque, speed, and power, calculate the efficiency, and draw an efficiency-output torque curve;

[0079] Starting torque: disconnect the output end of the reducer 36 to be tested, run it without load, and record the input torque, speed and power;

[0080] Torsional stiffness: Lock the input end of the reducer 36 to be tested, and the host computer controls the load device 30 to output the torque mode, from zero torque to the positive rated torque to zero torque to the reverse rated torque and then to zero torque, record the applied torque value and the angle value of the encoder, and calculate the ratio of the rated load torque to the corresponding elastic deformation angle to obtain the torsional stiffness curve;

[0081] Transmission accuracy: The motor drives the reducer 36 to be tested to be in a loaded running state, and the output end is rotated 360°. The rotation angle values ​​of the encoders at both ends of the input and output are recorded at this time. The transmission error is calculated according to the formula and the output shaft angle-angle error curve is drawn;

[0082] Maximum allowable shell temperature: Start the drive device 20 and load it as required to test it under the rated load. When the shell temperature of the tested part does not exceed 65°C, record the input and output torque, speed, power, reducer oil temperature, and shell temperature parameters of the reducer 36 to be tested, and draw a time-temperature curve based on the parameters;

[0083] Idle travel: When the test bench is under rated working conditions, when the input shaft changes from forward to reverse rotation, record the hysteresis of the output shaft in terms of rotation angle at this time;

[0084] Backlash: Fix the housing of the reducer 36 to be tested and its output end, apply ±2% rated torque to the input end to make it rotate clockwise and counterclockwise, and record the small angular displacement value of the input end of the reducer 36 to be tested at this time;

[0085] Maximum allowable input speed test: The reducer 36 to be tested is operated at its maximum allowable speed by the driving device 20, and the speed, temperature and vibration values ​​are recorded at the same time;

[0086] Fatigue life: Drive the reducer under test to operate continuously under rated conditions until it overheats or fails, and record the continuous operation time.

[0087] The control device uses the mainstream Windows 10 operating system as a platform and has comprehensive data processing functions: it can automatically generate or manually edit various report curves and print them out; it has real-time data display, collection, printing, viewing and editing functions; it can modify various alarm parameters and control parameters online and automatically transmit them to the lower computer system; it has real-time curve monitoring function, and the system can track the curve on the screen; manual / automatic dual-mode control function, and can realize free switching; the system can load autonomously in a cycle according to the set working conditions, and record the parameters of each working point; before the test, the test parameter information used to identify the object under test can be created, saved in the storage file of the test process data, and managed by a database, which can be quickly queried according to parameters such as test personnel, date, and model; when the parameter value exceeds the limit, it can automatically alarm and protect the equipment, and record the time and status of the alarm protection; it has a power-off processing function. When the power is off, the software will define the emergency end of the relevant test cycle and store the necessary data, and restart the automatic test cycle at this power-off point when the system is restored; multi-level user authority setting.

[0088] At the same time, the operator completes the setting of various test parameters in the dedicated software and measurement and control system of the host computer, and installs and fixes the reducer 36 to be tested in the clamping fixture 40; the control device communicates with the host computer and the measurement and control system, receives corresponding instructions, and uses the power grid to drive the load device 30 and the drive device 20 to operate according to the established parameters. Torque, speed, angle, temperature and other sensors are arranged in the drive device 20 and the load device 30 respectively. The real-time data collected by the sensor signals will be presented in the host computer software interface through the measurement and control system for the operator to monitor and analyze. At the same time, the host computer has a networking function, which can realize online remote control of the test device and viewing of the live test video.

[0089] The system adopts modular design as a whole, which integrates various test functions into one test system in the form of module combination, and can be quickly deployed according to needs; it has the ability to test all-round indicators of precision reducers: measurement of no-load, load, overload, transmission efficiency, starting torque, torsional stiffness, idle travel and backlash, etc.; it can realize rapid replacement of the tested parts and rapid alignment of the equipment shaft system; it has good dynamic control characteristics, can realize precise speed and torque control, and has complete monitoring and protection functions; the main control system can carry out real-time acquisition of parameters such as torque, speed, temperature, angle, power, etc., and has functions such as data processing, chart curve generation, automatic monitoring and historical data storage and playback; the operator can freely switch between manual / automatic control modes according to needs, and the human-computer interaction is friendly.

[0090] The above system has strong integration capability and can complete various reducer test tasks with one device within a limited test space; the modular and quick-change structure greatly reduces labor intensity, realizes rapid disassembly and assembly of the tested parts, and improves test efficiency; it independently collects data from each sensor and provides comprehensive result analysis and chart drawing functions, which is convenient for operators to analyze and summarize test results; the custom-developed test system test software has functions such as real-time curve drawing, transient value capture, trend curve drawing and analysis, and multi-parameter combination display, which reduces repeated tests and greatly improves the data processing efficiency of operators.

[0091] Although the preferred embodiments of the present application have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0092] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A surface gear reducer performance testing system, characterized in that: It includes a working platform, a driving device, a loading device and a control device, wherein the driving device and the loading device are respectively located at two longitudinal ends of the working platform; The driving device comprises a driving motor and an input component, wherein the driving motor is used to drive the input shaft of the reducer to be tested to rotate at a preset speed, one end of the input component is connected to the driving motor, and the other end is used to connect to the input shaft of the reducer to be tested, and the input component is used to detect the position speed information of the input shaft of the reducer to be tested; The load device includes a load motor and an output assembly, wherein the load motor is used to be connected to the output shaft of the reducer to be tested with a preset load, one end of the output assembly is connected to the load motor, and the other end is used to be connected to the output shaft of the reducer to be tested, and the output assembly is used to detect the position speed information of the output shaft of the reducer to be tested; The driving device and the load device are connected to the control device respectively.

2. The surface gear reducer performance testing system according to claim 1, characterized in that: The input component comprises: A first bearing support seat, a first angle encoder and a tension sleeve, wherein one end of the first bearing support seat is connected to the output shaft of the drive motor, and the other end of the first bearing support seat is connected to the tension sleeve, and the tension sleeve is used to be fixed to the input shaft of the reducer to be tested. The first angle encoder is located on the tension sleeve and is used to detect the position speed information of the input shaft of the reducer to be tested.

3. The surface gear reducer performance testing system according to claim 2, characterized in that: The driving device also includes a first torque and speed detection component, which is used to detect the input torque and input speed of the reducer to be tested; one end of the first torque and speed detection component is connected to the output end of the driving motor via a coupling, and the other end of the first torque and speed detection component is connected to the first bearing support seat via a coupling.

4. The surface gear reducer performance testing system according to claim 1, characterized in that: The output component comprises: A second bearing support seat, a second angle encoder and a spline shaft, one end of the second bearing support seat is connected to the output shaft of the load motor, the other end of the second bearing support seat is connected to the spline shaft, the spline shaft is used to be fixed to the output shaft of the reducer to be tested, and the second angle encoder is located on the spline shaft, and is used to detect the position and speed information of the output shaft of the reducer to be tested.

5. The surface gear reducer performance testing system according to claim 4, characterized in that: The load device also includes a second torque and speed detection component for detecting the output torque and output speed of the reducer to be tested; one end of the second torque and speed detection component is connected to the output end of the load motor via a coupling, and the other end of the second torque and speed detection component is connected to the second bearing support seat via a coupling.

6. The surface gear reducer performance testing system according to claim 4, characterized in that: It also includes a clamping tool for clamping the reducer to be tested; the clamping tool includes: A mounting frame, detachably fixed on the working platform; A transition plate, located at the center of the mounting frame, used for mounting the reducer to be tested; The adapter spline flange has one end for fixing to the output flange of the reducer to be tested and the other end for fixing to the spline shaft.

7. The surface gear reducer performance testing system according to claim 6, characterized in that: The clamping tool also includes: A vibration detection component is located on the mounting frame and is used to detect vibration parameters of the reducer to be tested; the vibration detection component is connected to the control device.

8. The face gear reducer performance testing system according to any one of claims 1 to 7, characterized in that: Also includes: A slide rail, the slide rail being fixed to the upper surface of the working platform in the longitudinal direction; The sliding plates are respectively located below the driving device and the loading device, and the sliding plates are slidably connected to the slide rails to drive the driving device and / or the loading device to slide on the slide rails.

9. The surface gear reducer performance testing system according to claim 8, characterized in that: Also includes: A shaking hand wheel is located on the sliding plate and connected to the pulley of the sliding plate, and is used to drive the pulley to rotate so as to drive the sliding plate to slide along the slide rail; And / or, a clamp, located at the bottom of the sliding plate, is used to brake the pulley of the sliding plate.

10. The surface gear reducer performance testing system according to claim 9, characterized in that: Also includes: A host computer is connected to the control device and is used to upload test data.

Images