A multi-functional testing platform for gearboxes

Abstract

This utility model relates to the field of gear testing platform technology, specifically to a multi-functional gearbox testing platform, including a T-slot platform and processing components. The processing components include a quick-clamping mechanism, positioning pins, a drive module, a loading module, a detection module, a control unit, a base frame, and active vibration isolation pads. The quick-clamping mechanism is installed on the T-slot platform and is equipped with positioning pins for quick positioning and clamping. The drive module measures the input torque transmitted to the gearbox in real time. The loading module is located at the output end of the gearbox under test and provides basic adjustable torque. The hydraulic servo system provides more precise and rapid adjustment of the load size according to the load curve set by the control unit or real-time commands. The control unit is responsible for the planning, execution, and control of the entire testing process, forming an integrated, high-precision testing platform that is compatible with multiple gearbox models.

Description

Technical Field

[0001] This utility model relates to the field of gear testing platform technology, and in particular to a multi-functional gearbox testing platform. Background Technology

[0002] Repairing gearboxes and their parts requires disassembling the gearbox. Therefore, after the repair is completed, it is necessary to test whether the gearbox can work properly. Since the gearbox is a relatively precise mechanical device, it is necessary to ensure the stability of the gearbox during the testing process.

[0003] Current technologies often involve multiple devices operating independently, resulting in poor data synchronization. Therefore, there is an urgent need for an integrated, high-precision testing platform that is compatible with multiple gearbox models. Utility Model Content

[0004] The purpose of this utility model is to provide a multi-functional testing platform for gearboxes, which aims to solve the problem of poor data synchronization when multiple devices operate independently. Therefore, there is an urgent need for an integrated, high-precision testing platform that is compatible with multiple gearbox models.

[0005] To achieve the above objectives, this utility model provides a multifunctional gearbox testing platform, including a T-slot platform and a processing assembly. The processing assembly includes a quick-clamping mechanism, a positioning pin, a drive module, a loading module, a detection module, a control unit, a base frame, and active vibration-damping pads. The clamping mechanism is located on one side of the T-slot platform. The positioning pin is slidably connected to the clamping mechanism and is located on one side of the clamping mechanism. The drive module is located on one side of the T-slot platform. The loading module is located on one side of the T-slot platform. The detection module is located on one side of the T-slot platform. The control unit is located on one side of the detection module. The base frame is fixedly connected to the T-slot platform and is located on one side of the T-slot platform. The active vibration-damping pads are fixedly connected to the T-slot platform and are located at the bottom of the T-slot platform.

[0006] The drive module includes a variable frequency motor and a torque sensor. The variable frequency motor is fixedly connected to the T-slot platform and located on one side of the T-slot platform. The torque sensor is fixedly connected to the output end of the variable frequency motor and located on one side of the variable frequency motor.

[0007] The loading module includes a magnetic powder brake and a hydraulic servo system. The magnetic powder brake is located on one side of the T-slot platform, and the hydraulic servo system is located on one side of the magnetic powder brake.

[0008] The detection module includes an integrated vibration sensor, a noise microphone, an infrared thermal imager, and an oil particle counter. The integrated vibration sensor is located on one side of the T-slot platform. The noise microphone is fixedly connected to the T-slot platform and located on one side of the T-slot platform. The infrared thermal imager is located on one side of the T-slot platform, and the oil particle counter is located on one side of the T-slot.

[0009] The control unit includes an industrial computer, a touch screen, and a data acquisition card. The industrial computer is fixedly connected to the T-shaped groove platform and located on one side of the T-shaped groove platform. The touch screen is located on one side of the T-shaped groove platform, and the data acquisition card is located on one side of the T-shaped groove platform.

[0010] This utility model discloses a multifunctional gearbox testing platform. The main body of the base frame is a robust T-slot platform with standard T-slots machined on its upper surface to accommodate the mounting hole positions of different gearboxes. A quick-clamping mechanism is mounted on the T-slot platform and is equipped with positioning pins that automatically adjust their position according to the positioning holes of the gearbox, ensuring precise and rapid positioning and clamping of the gearbox. The drive module measures the input torque transmitted to the gearbox in real time. The loading module is located at the output end of the gearbox under test, providing a basic adjustable torque. The hydraulic servo system provides further precision... The system offers more precise and wider-range dynamic load control. Both components utilize a built-in PID closed-loop control algorithm to quickly and accurately adjust the load size based on the load curve set by the control unit or real-time commands, with a response time controlled within 50ms. The detection module includes multiple sensors, each positioned appropriately within the gearbox. The control unit is the core of the entire platform, responsible for planning, executing, and controlling the entire testing process. Multiple devices operate in tandem, synchronizing data. The overall system is elevated using active vibration-damping pads to reduce external vibration interference, forming an integrated, high-precision testing platform compatible with multiple gearbox models. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0013] Figure 2 This is a top view of the entire utility model.

[0014] Figure 3 This is a cross-sectional view of the entire utility model.

[0015] 101-T-slot platform, 102-machining components, 103-quick clamping mechanism, 104-positioning pin, 105-drive module, 106-loading module, 107-detection module, 108-control unit, 109-base frame, 110-active vibration isolation pads, 111-variable frequency motor, 112-torque sensor, 113-magnetic powder brake, 114-hydraulic servo system, 115-integrated vibration sensor, 116-noise microphone, 117-infrared thermal imager, 118-oil particle counter, 119-industrial computer, 120-touchscreen, 121-data acquisition card. Detailed Implementation

[0016] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0017] The touch screen 120, the imager 117, and the oil particle counter, along with the control unit 108 including the dry control unit 119, the touch screen, and the data acquisition card 121, enable multiple devices to operate in tandem and synchronize data, forming an integrated, high-precision testing platform that is compatible with multiple gearbox models.

[0018] In this specific embodiment, the clamping member is disposed on one side of the T-slot platform 101, the positioning pin 104 is slidably connected to the clamping mechanism and located on one side of the clamping mechanism, the driving module 105 is disposed on one side of the T-slot platform 101, the loading module 107 is disposed on one side of the T-slot platform 101, the detection module is disposed on one side of the T-slot platform, the control unit 108 is disposed on one side of the detection module, the base frame 109 is fixedly connected to the T-slot platform 101 and located on one side of the T-slot platform 101, the active vibration isolation pad 110 is fixedly connected to the T-slot platform 101 and located at the bottom of the T-slot platform 101, the main body of the base frame 109 is a sturdy T-slot platform 101, and its upper surface is machined with standard T-slots for mounting hole positions of different gearboxes, the quick clamping mechanism 103 is mounted on the T-slot platform 101, and the quick clamping mechanism 103... The positioning pin 104 on the gearbox can automatically adjust its position according to the positioning hole of the gearbox, ensuring that the gearbox is accurately and quickly positioned and clamped. The drive module 105 measures the input torque transmitted to the gearbox in real time. The loading module 107 is set at the output end of the gearbox under test, providing basic adjustable torque. The hydraulic servo system provides more accurate and wider range dynamic load control. Both of them use a built-in PID closed-loop control algorithm to quickly and accurately adjust the load size according to the load curve or real-time command set by the control unit 108, with a response time controlled within 50ms. The detection module includes a variety of sensors, which are arranged in appropriate positions on the gearbox. The control unit 108 is the core of the entire platform, responsible for the planning, execution and control of the entire test process. Through the linkage and data synchronization of multiple devices, the entire system is raised by the active vibration isolation pads 110 to reduce external vibration interference, forming an integrated, high-precision test platform that is compatible with multiple gearbox models.

[0019] The variable frequency motor 111 is fixedly connected to the T-slot platform 101 and located on one side of the T-slot platform 101. The torque sensor 112 is fixedly connected to the output end of the variable frequency motor 111 and located on one side of the variable frequency motor 111. The variable frequency motor 111 is directly connected to the torque sensor 112, and the torque sensor 112 is connected to the input shaft of the gearbox under test. The variable frequency motor 111 is programmable and can output a speed range of 0-3000 rpm to simulate the running speed of the gearbox under different working conditions. The torque sensor 112 measures the input torque transmitted to the gearbox in real time.

[0020] Secondly, the magnetic powder brake 113 is disposed on one side of the T-slot platform 101, and the hydraulic servo system 114 is disposed on one side of the magnetic powder brake 113. The magnetic powder brake 113 and the hydraulic servo system work together to generate a load. The magnetic powder brake 113 provides a basic adjustable torque, while the hydraulic servo system provides more precise and wider range (0-5000Nm) dynamic load control. Through the built-in PID closed-loop control algorithm, the two quickly and accurately adjust the load size according to the load curve or real-time command set by the control unit 108, with the response time controlled within 50ms.

[0021] Meanwhile, the integrated vibration sensor 115 is disposed on one side of the T-slot platform 101, the noise microphone 116 is fixedly connected to the T-slot platform 101 and located on one side of the T-slot platform 101, the infrared thermal imager 117 is disposed on one side of the T-slot platform 101, and the oil particle counter 118 is disposed on one side of the T-slot. The integrated vibration sensor 115 is used to measure the vibration level of the gearbox during operation; the noise microphone 116 is used to collect the operating noise of the gearbox; the infrared thermal imager 117 is aimed at the gearbox housing to monitor its surface temperature distribution in real time; and the oil particle counter analyzes the contamination level of the gearbox lubricating oil by sampling. The sensor signals of all the detection modules are collected by the control unit 108.

[0022] In addition, the control unit 119 is fixedly connected to the T-slot platform 101 and located on one side of the T-slot platform 101. The touch screen is located on one side of the T-slot platform 101, and the data acquisition card 121 is located on one side of the T-slot platform 101. The control unit 119 runs test software and is responsible for the planning, execution, and control of the entire test process. The touch screen serves as a human-machine interface, allowing operators to set test parameters, start / stop tests, and view real-time data and historical records. The data acquisition card 121 is responsible for collecting signals from the torque sensor 112 and various sensors of the detection module, and transmitting the data to the control unit 119 for processing and display at high speed and synchronously via an industrial bus (such as CAN or EtherCAT). The control unit 119 can also perform real-time analysis of the collected data and generate test reports, which are collected by the data acquisition card 121.

[0023] When using this utility model, the main body of the base frame 109 is a robust T-slot platform 101, the upper surface of which is machined with standard T-slots for convenient installation of customized mounting plates according to the mounting hole positions of different gearboxes. A quick-clamping mechanism 103 is mounted on the T-slot platform 101, and the clamping mechanism is equipped with an adaptive positioning pin 104, which can automatically adjust its position according to the positioning holes of the gearbox, ensuring that the gearbox is accurately and quickly positioned and clamped. The entire clamping process does not exceed 10 seconds. The variable frequency motor 111 is directly connected to the torque sensor 112. The sensor 112 is then connected to the input shaft of the gearbox under test via a coupling. The variable frequency motor 111 is programmable and can output a speed range of 0-3000 rpm to simulate the operating speed of the gearbox under different working conditions. The torque sensor 112 measures the input torque transmitted to the gearbox in real time. The loading module 107 is located at the output end of the gearbox under test. The magnetic powder brake 113 and the hydraulic servo system 114 work together to generate a load. The magnetic powder brake 113 provides a basic adjustable torque, while the hydraulic servo system provides a more precise and wider range (0-5000 Nm). The dynamic load control of the gearbox utilizes a built-in PID closed-loop control algorithm to quickly and accurately adjust the load size based on the load curve set by the control unit 108 or real-time commands, with a response time controlled within 50ms. The detection module includes multiple sensors positioned appropriately within the gearbox. The vibration sensor measures the vibration level of the gearbox during operation; the noise microphone 116 collects the operating noise of the gearbox; the infrared thermal imager 117 monitors the surface temperature distribution of the gearbox housing in real time; and the oil particle counter analyzes the gearbox lubricating oil through sampling. The degree of pollution is determined by the sensor signals of all the detection modules, which are collected by the data acquisition card 121. The control unit 108 is the core of the entire platform. The control unit 119 runs the test software and is responsible for the planning, execution and control of the entire test process. The touch screen serves as the human-machine interface, through which operators can set test parameters, start / stop the test, and view real-time data and historical records. The data acquisition card 121 is responsible for collecting signals from the torque sensor 112 and each sensor of the detection module, and transmitting the data through an industrial bus (such as CAN or EtherCAT).

[0024] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A gearbox multifunctional test platform comprising a T-slot platform, characterized in that, It also includes a machining assembly; The machining assembly includes a quick clamping mechanism, a positioning pin, a driving module, a loading module, a detection module, a control unit, a base frame and an active vibration isolation foot pad; The clamping member is arranged on one side of the T-slot platform, the positioning pin is in sliding connection with the clamping mechanism and located on one side of the clamping mechanism, the driving module is arranged on one side of the T-slot platform, the loading module is arranged on one side of the T-slot platform, the detection module is arranged on one side of the T-slot platform, the control unit is arranged on one side of the detection module, the base frame is fixedly connected with the T-slot platform and located on one side of the T-slot platform, and the active vibration isolation foot pad is fixedly connected with the T-slot platform and located at the bottom of the T-slot platform.

2. The gearbox multifunctional test platform of claim 1, characterized in that, The driving module includes a variable frequency motor and a torque sensor, the variable frequency motor is fixedly connected with the T-slot platform and located on one side of the T-slot platform, and the torque sensor is fixedly connected with the output end of the variable frequency motor and located on one side of the variable frequency motor.

3. The gearbox multifunctional test platform of claim 2, characterized in that, The loading module includes a magnetic powder brake and a hydraulic servo system, the magnetic powder brake is arranged on one side of the T-slot platform, and the hydraulic servo system is arranged on one side of the magnetic powder brake.

4. The gearbox multifunctional test platform of claim 3, characterized in that, The detection module includes an integrated vibration sensor, a noise microphone, an infrared thermal imager and an oil particle counter, the integrated vibration sensor is arranged on one side of the T-slot platform, the noise microphone is fixedly connected with the T-slot platform and located on one side of the T-slot platform, the infrared thermal imager is arranged on one side of the T-slot platform, and the oil particle counter is arranged on one side of the T-slot.

5. The gearbox multifunctional test platform of claim 4, characterized in that, The control unit includes an industrial computer, a touch screen and a data acquisition card, the industrial computer is fixedly connected with the T-slot platform and located on one side of the T-slot platform, the touch screen is arranged on one side of the T-slot platform, and the data acquisition card is arranged on one side of the T-slot platform.

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