CN110940513A - Automatic gearbox comprehensive performance test bench - Google Patents
Automatic gearbox comprehensive performance test bench Download PDFInfo
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- CN110940513A CN110940513A CN201911367188.2A CN201911367188A CN110940513A CN 110940513 A CN110940513 A CN 110940513A CN 201911367188 A CN201911367188 A CN 201911367188A CN 110940513 A CN110940513 A CN 110940513A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an automatic gearbox comprehensive performance test bench, which comprises: a test board; a servo drive motor installed on the test table; the first torque and rotating speed sensor is arranged on the test bench and positioned on one side of the servo driving motor; the test supporting seat is arranged on the test bench and is positioned on the other side of the first torque and rotation speed sensor; the second torque and rotating speed sensor is arranged on the test bench and is positioned on the other side of the test support seat; the speed reducer is arranged on the test bench and is positioned on the other side of the second torque and rotation speed sensor; the loader is arranged on the test bench and positioned on the other side of the speed reducer; the loading controller is arranged on the test bench and connected with the loader; and the PLC control system is respectively connected with the servo drive motor, the first torque rotating speed sensor, the second torque rotating speed sensor, the loading controller and the tested gearbox. The invention has simple test operation, comprehensive and accurate test data and high test efficiency.
Description
Technical Field
The invention relates to the technical field of gearbox testing devices, in particular to an automatic gearbox comprehensive performance testing test bed.
Background
The gearbox loading detection test bed is indispensable equipment for offline detection of gearbox products in a manufacturing plant, and is used for performing a drive test on a gearbox under a loading condition, namely detecting data such as torque, transmission ratio, noise, vibration, temperature and the like transmitted by each gear of the gearbox at a rotating speed given by a test specification, so that the gearbox is subjected to ex-factory qualification judgment. Therefore, the applicant develops an automatic gearbox comprehensive performance test bench through beneficial exploration and research.
Disclosure of Invention
The invention aims to provide an automatic gearbox comprehensive performance test bench which is simple and convenient in test operation, comprehensive and accurate in test data and high in test efficiency.
The technical problem to be solved by the invention can be realized by adopting the following technical scheme:
an automatic transmission combination property test bench, includes:
the test board is provided with a test plane;
the servo driving motor is arranged on a test plane of the test bench;
the first torque and rotating speed sensor is arranged on a test plane of the test bench and positioned on one side of the servo driving motor, the input end of the first torque and rotating speed sensor is connected with the output end of the servo driving motor, and the other end of the first torque and rotating speed sensor is used for being connected with the input end of the tested gearbox;
the test support seat is arranged on the test plane of the test bench and is positioned on the other side of the first torque and rotation speed sensor and used for fixedly placing a side gearbox;
the input end of the second torque and rotation speed sensor is used for being connected with the output end of the tested gearbox;
the speed reducer is arranged on the testing plane of the testing platform and is positioned on the other side of the second torque and rotation speed sensor, and the input end of the speed reducer is connected with the output end of the second torque and rotation speed sensor;
the loader is arranged on the test plane of the test bench and positioned on the other side of the speed reducer, and the loading end of the loader is connected with the output end of the speed reducer;
the loading controller is arranged on the test plane of the test bench and connected with the loader and used for adjusting the loading torque of the loader; and
and the PLC control system is respectively connected with the servo drive motor, the first torque rotating speed sensor, the second torque rotating speed sensor, the loading controller and the tested gearbox.
In a preferred embodiment of the present invention, a horizontal and transversely extending slide rail is disposed on the testing plane of the testing table, a sliding base is slidably mounted on the slide rail, and the servo drive motor and the first torque and rotation speed sensor are mounted on the sliding base.
In a preferred embodiment of the present invention, a positioning assembly for positioning the slide base at a designated position of the slide rail is further disposed on the slide base.
In a preferred embodiment of the invention, a temperature sensor connected with the PLC control system is installed at the position, close to the tested gearbox, of the test support seat.
In a preferred embodiment of the invention, a vibration sensor connected with the PLC control system is installed at the position, close to the tested gearbox, of the test support seat.
In a preferred embodiment of the invention, a noise signal sensor connected with the PLC control system is installed at the position, close to the tested gearbox, of the test support seat.
In a preferred embodiment of the invention, the loader is a magnetic particle loader.
In a preferred embodiment of the present invention, a protective cover is detachably mounted on the testing plane of the testing platform to enclose the servo driving motor, the first and second torque and rotation speed sensors, the tested gearbox, the speed reducer, the loader and the loading controller.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: the invention has simple test operation, comprehensive and accurate test data and high test efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a side view of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic diagram of the principle of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1 to 3, a test bench for testing the comprehensive performance of an automatic transmission is shown, and includes a test bench 100, a servo drive motor 200, torque and rotation speed sensors 300a and 300b, a test support 400, a speed reducer 500, a loader 600, a loading controller 700, and a PLC control system (not shown).
The testing platform 100 is formed with a testing plane 110, a sliding rail 120 horizontally extending is disposed on the testing plane 110 of the testing platform 100, and a sliding base 130 is slidably mounted on the sliding rail 120. The slide base 130 is provided with a positioning assembly (not shown in the figure) for positioning the slide base 130 at a designated position of the slide rail 120.
The servo drive motor 200 is mounted on the slide base 130, and in the present embodiment, the rotational speed accuracy of the servo drive motor 200 is 0rpm to 2000rpm, and the rated torque thereof is 23.9 Nm. The torque and rotation speed sensor 300a is installed on the sliding base 130 and located at one side of the servo drive motor 200, an input end of the torque and rotation speed sensor 300a is connected with an output end of the servo drive motor 200 through a coupling (not shown in the figure), and the other end thereof is connected with an input end of the tested gearbox 10 through a coupling. The data acquisition precision of the torque and rotation speed sensor 300a is +/-0-50 Nm.
The test support 400 is mounted on the test plane 110 of the test bench 100 and located at the other side of the torque and rotation speed sensor 300a, and is used for fixedly placing the side gearbox 10.
The torque and rotation speed sensor 300b is installed on the testing plane 110 of the testing platform 100 and located at the other side of the testing support seat 400, and the input end of the torque and rotation speed sensor 300b is connected with the output end of the tested gearbox 10 through a coupler. In the present embodiment, the data acquisition index of the torque rotation speed sensor 300b is ± 0Nm to 50 Nm.
The speed reducer 500 is installed on the testing plane 110 of the testing platform 100 and located at the other side of the torque and rotation speed sensor 300b, and the input end of the speed reducer 500 is connected with the output end of the torque and rotation speed sensor 300b through a coupling. In the present embodiment, the reduction ratio of the reduction gear 500 is 1: 10.
the loader 600 is installed on the test plane 110 of the test bench 100 and located at the other side of the speed reducer 500, and a loading end of the loader 600 is connected with an output end of the speed reducer 500. In this embodiment, the loader 600 preferably employs a magnetic powder loader, and the magnetic powder loader is tightly connected in a magnetic field by using special alloy powder, and generates damping by mutual friction, and the higher the magnetic field intensity is, the larger the damping is. Since the loading is generated by magnetic powder friction, the magnetic powder loader is generally not suitable for high-speed continuous operation, so the speed reducer 500 is arranged between the loader 600 and the torque and rotation speed sensor 300b to reduce the rotation speed output by the tested gearbox 10, and then the magnetic powder loader loads the speed.
The loading controller 700 is installed on the testing plane 110 of the testing table 100 and connected to the loader 600, and the loading controller 700 controls the magnetic field strength of the loader 600 by adjusting the output excitation current to control the loading torque of the loader 600.
The PLC control system is respectively connected with the servo driving motor 200, the torque and rotation speed sensors 300a and 300b, the loading controller 700 and the tested gearbox 10 and is used for respectively controlling the servo driving motor 200, the torque and rotation speed sensors 300a and 300b, the loading controller 700 and the tested gearbox 10 to work.
A temperature sensor (not shown in the figure) connected to the PLC control system is installed at a position of the test support seat 400 close to the tested transmission 10, and is used for acquiring the working temperature of the tested transmission 10 in real time and transmitting the acquired temperature data to the PLC control system for processing. In this embodiment, the data acquisition accuracy of the temperature sensor is 0 ℃ to 150 ℃.
A vibration sensor (not shown in the figure) connected to the PLC control system is installed at a position of the test support seat 400 close to the tested transmission 10, and is used for acquiring the vibration frequency of the tested transmission 10 in real time and transmitting the acquired temperature data to the PLC control system for processing. In the present embodiment, the data acquisition accuracy of the vibration sensor is 0 to 200 μm.
A noise signal sensor (not shown in the figure) connected to the PLC control system is installed at a position of the test support seat 400 close to the tested transmission 10, and is used for acquiring noise decibels generated by the tested transmission 10 during rotation in real time, and transmitting the acquired temperature data to the PLC control system for processing. In the embodiment, the data acquisition precision of the noise signal sensor is 30-120 dB.
In addition, a protective cover (not shown) is detachably installed on the testing plane 110 of the testing table 100 to enclose the servo driving motor 200, the torque and rotation speed sensors 300a and 300b, the tested gearbox 10, the speed reducer 500, the loader 600 and the loading controller 700, so as to protect the spindle from being wound when rotating at a high speed and prevent the shaft from being thrown out.
The test process of the test bed for testing the comprehensive performance of the automatic gearbox is as follows:
1. firstly, the tested gearbox 10 is placed on the test support seat 400 and fixed, and then the sliding base 130 is moved along the sliding rail 120, so that the output end of the torque and rotation speed sensor 300a is butted with the input end of the tested gearbox 10 and is connected with the input end of the torque and rotation speed sensor 300b by adopting a coupler, and the output end of the tested gearbox 10 is also connected with the input end of the torque and rotation speed sensor 300b by adopting the coupler;
2. the PLC control system controls the servo drive motor 200 to start, and the servo drive motor is adjusted to the rated rotation speed of 2000rpm to drive the tested gearbox 10 to rotate;
3. the loader 600 is driven by the PLC control system to simulate and load the tested gearbox 10 from zero torque, the loading torque is continuously adjustable, and the required load torque is reached; in the process, on one hand, the input torque, the rotating speed, the output torque and the rotating speed in the loading process are recorded, the power is calculated, and on the other hand, the maximum output torque of the tested gearbox 10 is recorded;
4. and (3) introducing current to the tested gearbox 10, repeating the steps 2 and 3, automatically recording test data by the PLC control system, acquiring the test data under each working condition by simulating load alternation in the actual working condition, and judging whether the tested gearbox 10 meets the production requirement according to the acquired test data.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an automatic gearbox comprehensive properties test bench which characterized in that includes:
the test board is provided with a test plane;
the servo driving motor is arranged on a test plane of the test bench;
the first torque and rotating speed sensor is arranged on a test plane of the test bench and positioned on one side of the servo driving motor, the input end of the first torque and rotating speed sensor is connected with the output end of the servo driving motor, and the other end of the first torque and rotating speed sensor is used for being connected with the input end of the tested gearbox;
the test support seat is arranged on the test plane of the test bench and is positioned on the other side of the first torque and rotation speed sensor and used for fixedly placing a side gearbox;
the input end of the second torque and rotation speed sensor is used for being connected with the output end of the tested gearbox;
the speed reducer is arranged on the testing plane of the testing platform and is positioned on the other side of the second torque and rotation speed sensor, and the input end of the speed reducer is connected with the output end of the second torque and rotation speed sensor;
the loader is arranged on the test plane of the test bench and positioned on the other side of the speed reducer, and the loading end of the loader is connected with the output end of the speed reducer;
the loading controller is arranged on the test plane of the test bench and connected with the loader and used for adjusting the loading torque of the loader; and
and the PLC control system is respectively connected with the servo drive motor, the first torque rotating speed sensor, the second torque rotating speed sensor, the loading controller and the tested gearbox.
2. The test bed for testing the comprehensive performance of the automatic gearbox according to claim 1, wherein a horizontal and transversely extending slide rail is arranged on a test plane of the test bed, a sliding base is slidably mounted on the slide rail, and the servo drive motor and the first torque and rotation speed sensor are mounted on the sliding base.
3. The test bed for testing the comprehensive performance of the automatic gearbox according to claim 2, wherein a positioning assembly for positioning the sliding base at a designated position of the sliding rail is further arranged on the sliding base.
4. The test bed for testing the comprehensive performance of the automatic gearbox as recited in claim 1, wherein a temperature sensor connected with the PLC control system is installed at a position of the test support seat close to the gearbox to be tested.
5. The test bed for testing the comprehensive performance of the automatic gearbox as recited in claim 1, wherein a vibration sensor connected with the PLC control system is installed at a position of the test support seat close to the gearbox to be tested.
6. The test bed for testing the comprehensive performance of the automatic gearbox as recited in claim 1, wherein a noise signal sensor connected with the PLC control system is installed at a position of the test support seat close to the gearbox to be tested.
7. The test bed for testing the comprehensive performance of the automatic transmission of claim 1, wherein the loader is a magnetic powder loader.
8. The test bed for testing the comprehensive performance of the automatic gearbox according to any one of claims 1 to 7, wherein a protective cover for enclosing the servo drive motor, the first and second torque and rotation speed sensors, the tested gearbox, the speed reducer, the loader and the loading controller is further detachably mounted on the test plane of the test bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911367188.2A CN110940513A (en) | 2019-12-26 | 2019-12-26 | Automatic gearbox comprehensive performance test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911367188.2A CN110940513A (en) | 2019-12-26 | 2019-12-26 | Automatic gearbox comprehensive performance test bench |
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| Publication Number | Publication Date |
|---|---|
| CN110940513A true CN110940513A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911367188.2A Pending CN110940513A (en) | 2019-12-26 | 2019-12-26 | Automatic gearbox comprehensive performance test bench |
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| CN (1) | CN110940513A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834852A (en) * | 2021-01-07 | 2021-05-25 | 武汉纽姆数控机电设备有限公司 | Modularized servo drive unit comprehensive test platform based on bus control |
| CN114607766A (en) * | 2022-05-12 | 2022-06-10 | 成都工业学院 | Apparatus for determining failure of automatic transmission |
-
2019
- 2019-12-26 CN CN201911367188.2A patent/CN110940513A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834852A (en) * | 2021-01-07 | 2021-05-25 | 武汉纽姆数控机电设备有限公司 | Modularized servo drive unit comprehensive test platform based on bus control |
| CN114607766A (en) * | 2022-05-12 | 2022-06-10 | 成都工业学院 | Apparatus for determining failure of automatic transmission |
| CN114607766B (en) * | 2022-05-12 | 2022-07-12 | 成都工业学院 | Apparatus for determining failure of automatic transmission |
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