CN117906947A - Comprehensive test bed for diaphragm coupler - Google Patents
Comprehensive test bed for diaphragm coupler Download PDFInfo
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- CN117906947A CN117906947A CN202410032195.1A CN202410032195A CN117906947A CN 117906947 A CN117906947 A CN 117906947A CN 202410032195 A CN202410032195 A CN 202410032195A CN 117906947 A CN117906947 A CN 117906947A
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- 238000012360 testing method Methods 0.000 title claims abstract description 117
- 239000012528 membrane Substances 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims description 62
- 238000010168 coupling process Methods 0.000 claims description 62
- 238000005859 coupling reaction Methods 0.000 claims description 62
- 238000006073 displacement reaction Methods 0.000 claims description 55
- 239000003638 chemical reducing agent Substances 0.000 claims description 32
- 238000007906 compression Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 19
- 238000004891 communication Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000007704 transition Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000013100 final test Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The invention discloses a membrane coupler comprehensive test bed, wherein the membrane coupler is a rail transit type membrane coupler, and comprises: the device comprises a base, a loading device and a fixing device, wherein the loading device and the fixing device are fixed on the base, the fixing device comprises a tested product installation tool, one surface of the tested product installation tool is provided with end face teeth, the tested product installation tool is fixedly connected with a diaphragm coupler through bolts, the end face teeth of the tested product installation tool are meshed with the end face teeth of a large gear rotating disc of the diaphragm coupler, the loading device is connected with a wheel side shaft end of the diaphragm coupler and is used for applying axial, radial or circumferential load to the diaphragm coupler, a detection device is installed near one end, close to the loading device, of the diaphragm coupler, and transmits detection signals to an upper computer to calculate an axial rigidity value or a radial rigidity value or a torsional rigidity value of the diaphragm coupler. The invention can improve the accuracy of the result when the diaphragm coupler performs the rigidity test.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a comprehensive test bed for a diaphragm coupler.
Background
With the rapid development of China rail transit, the requirements on the performances of the rail vehicle such as dynamic performance and economy are continuously improved, and the bogie of the permanent magnet direct-drive diaphragm coupler has the advantages of high efficiency, low noise, small volume, light weight and the like, so that the requirements of the rail vehicle on light weight, miniaturization, greenness, high efficiency and the like can be met.
Unlike conventional industrial-grade diaphragm couplings, the diaphragm coupling is adapted not only to system manufacturing and assembly errors, but also to forced movement of the primary train and traction devices between the wheel tracks, between the frame and axle boxes. In this way, in the limited space of the driving system, the coupling is required to adapt to the three-way movement (three-way movement, namely radial movement, axial movement and circumferential movement) between the framework and the wheel set, and has excellent rigidity performance, namely, the axial rigidity and the radial rigidity are as small as possible to adapt to the three-way movement under the condition that the torsional rigidity of the coupling meets the functional requirement of the system.
At present, the structure of a common industrial coupling test bed is as follows: the test tool and the data receiving module are arranged at two ends of the tested product, as shown in figure 1; the connection mode of the diaphragm coupler in the rail transit industry is different from that of the industrial coupler, so that the industrial coupler test bed cannot be fully applicable to the diaphragm coupler in the rail transit industry. When the integrated test bed is forcedly applied to the rail transit industry, the actual working condition of the diaphragm coupler on the vehicle cannot be accurately simulated by the test, so that the final test result is inaccurate, and a comprehensive test bed of the diaphragm coupler, which is suitable for the rail transit industry, needs to be developed to realize the test verification of the design function of the diaphragm coupler, and provides data support for the design and development of the diaphragm coupler.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a comprehensive test bed for a diaphragm coupler, which aims to solve the problem that the test result is inaccurate when the diaphragm coupler performs a rigidity test.
The invention provides a membrane coupler comprehensive test bed, which is a membrane coupler of rail transit, and is characterized by comprising: the device comprises a base, a loading device for providing load for the diaphragm coupler and a fixing device for fixing the diaphragm coupler, wherein the loading device and the fixing device are fixed on the base, the fixing device comprises a tested product installation tool, one surface of the tested product installation tool is provided with end face teeth, the tested product installation tool is fixedly connected with the diaphragm coupler through bolts, the end face teeth of the tested product installation tool are meshed with the end face teeth of a large gear rotating disc of the diaphragm coupler, the loading device is connected with a wheel side shaft end of the diaphragm coupler, the loading device is used for applying axial, radial or circumferential load to the diaphragm coupler, a detection device for detecting axial displacement or radial displacement or circumferential rotation angle generated when the diaphragm coupler is subjected to the axial, radial or circumferential load is installed near one end of the loading device, and the detection device transmits a detection signal to an upper computer so that the upper computer calculates and obtains an axial stiffness value or a radial stiffness value or a torsional stiffness value of the diaphragm coupler.
In one embodiment, the fixing device further comprises a test article mounting bracket, the loading device further comprises a loading bracket and an axial servo motor, the detecting device comprises a first pull-press sensor and a first displacement sensor, the test article mounting bracket and the loading bracket are fixedly arranged on the base, the test article mounting fixture is fixedly arranged on the test article mounting bracket, the axial servo motor is fixedly arranged on the loading bracket, one end of the first pull-press sensor is fixedly connected with the axial servo motor, the other end of the first pull-press sensor is fixedly connected with the wheel side shaft end of the diaphragm coupler, and the first displacement sensor is arranged at one end, close to the first pull-press sensor, of the axial servo motor.
In one embodiment, the axial servo motor comprises an axial servo driver and an axial loading cylinder, and the axial servo driver is in communication connection with the axial loading cylinder.
In one embodiment, the axial servo motor, the first tension and compression sensor and the diaphragm coupler are sequentially connected on the same axis.
In one embodiment, the fixing device further comprises an auxiliary supporting block, the loading device further comprises a radial loading support and a radial servo motor, the detecting device further comprises a second tension and compression sensor and a second displacement sensor, the auxiliary supporting block is fixedly arranged on the base and connected with the wheel side shaft end of the diaphragm coupler, the auxiliary supporting block is fixedly arranged below the wheel side shaft end of the diaphragm coupler and connected with the wheel side shaft end, the radial loading support is fixedly arranged on one side of the coupler, the radial servo motor is fixedly arranged on the radial loading support, one end of the second tension and compression sensor is fixedly connected with the radial servo motor, the other end of the second tension and compression sensor is fixedly connected with the wheel side shaft end of the diaphragm coupler, and the second displacement sensor is arranged at one end, close to the second tension and compression sensor, of the radial servo motor.
In one embodiment, the fixing device further comprises a test article mounting bracket, the loading device further comprises a loading bracket, a loading motor and a speed reducer, the detecting device comprises a torque meter and an inclinometer, the test article mounting bracket and the loading bracket are fixedly mounted on the base, the test article mounting fixture is mounted and fixed on the test article mounting bracket, the speed reducer is mounted and fixed on the loading bracket, one end of the torque meter is fixedly connected with one end of the speed reducer, the other end of the torque meter is fixedly connected with the wheel-side shaft end of the diaphragm coupling, the other end of the speed reducer is connected with the loading motor, and the inclinometer is mounted near the wheel-side shaft end of the diaphragm coupling.
In one embodiment, the loading device further comprises a torsion servo driver in communication with the loading motor.
In one embodiment, the speed reducer and the torque meter are fixedly connected through a connecting flange and a fastening bolt.
In one embodiment, the loading means, the securing means and the detecting means are detachable.
In one embodiment, the base is provided with a sliding rail, and the fixing device is mounted on the sliding rail.
According to the membrane coupler comprehensive test bed, the end face teeth are arranged on the tested product mounting tool and are fixedly connected with the membrane coupler large gear rotating disc through the bolts when the coupler rigidity test is carried out, and the end face teeth of the tested product mounting tool are meshed with the end face teeth of the coupler large gear rotating disc, so that the membrane coupler is more firmly connected with the comprehensive test bed, slipping is not easy to occur, and the requirement of the membrane coupler for carrying out a large torque test is met; meanwhile, the axle end of the gear box of the diaphragm coupler is fixed, and the loading device is used for testing the load applied to the axle end of the wheel side of the diaphragm coupler, so that the mounting mode which is more suitable for the diaphragm coupler is adopted, and the accuracy of the result is higher when the diaphragm coupler is subjected to the rigidity test.
Drawings
FIG. 1 is a schematic view of an industrial coupling test stand in accordance with one embodiment of the present invention;
FIG. 2 is a schematic diagram of a front view of a diaphragm coupling in a rail transit industry according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a diaphragm coupling installation in the rail transit industry in accordance with one embodiment of the present invention;
FIG. 4 is a schematic view of a radial stiffness testing module according to an embodiment of the present invention;
FIG. 5 is a schematic view of a radial stiffness testing module according to an embodiment of the present invention;
FIG. 6 is a schematic view of a axial stiffness test module according to an embodiment of the present invention;
FIG. 7 is a schematic view of a axial stiffness test module according to an embodiment of the present invention;
FIG. 8 is a schematic view of a torsional stiffness testing module according to an embodiment of the present invention;
FIG. 9 is a schematic view of a torsional rigidity test module according to an embodiment of the present invention;
FIG. 10 is a block diagram illustrating a measurement control system according to an embodiment of the present invention;
FIG. 11 is a schematic front view of a test object mounting bracket according to an embodiment of the present invention;
FIG. 12 is a schematic side view of a test article mounting bracket according to an embodiment of the present invention;
FIG. 13 is a schematic top view of a test specimen mounting bracket according to an embodiment of the present invention;
FIG. 14 is a schematic front view of a test object mounting tool according to an embodiment of the present invention;
Fig. 15 is a schematic top view of a test object mounting tool according to an embodiment of the invention.
Description of main reference numerals:
1. A base; 2. a radial loading support; 3. radial loading of the electric cylinder; 4. a second displacement sensor; 5. an auxiliary supporting block; 6. a diaphragm coupling; 7. loading a bracket; 8. axial loading of the electric cylinder; 9. a first displacement sensor; 10. loading a connecting plate; 11. a test article mounting bracket; 12. mounting a test article; 13. a diaphragm coupling; 14. loading a bracket; 15. a speed reducer; 16. loading a motor; 17. a torque meter; 18. load connection plates (diaphragm plate transition plates); 19. a test article mounting bracket; 20. mounting a test article; 21. an inclinometer; 22. a diaphragm coupling.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 2 to 15, there is provided a membrane coupling integrated test stand, the membrane coupling being of the rail transit type, the membrane coupling integrated test stand comprising: the device comprises a base, a loading device for providing load for the diaphragm coupler and a fixing device for fixing the diaphragm coupler, wherein the loading device and the fixing device are fixed on the base, the fixing device comprises a tested product installation tool, one surface of the tested product installation tool is provided with end face teeth, the tested product installation tool is fixedly connected with the diaphragm coupler through bolts, the end face teeth of the tested product installation tool are meshed with the end face teeth of a large gear rotating disc of the diaphragm coupler, the loading device is connected with a wheel side shaft end of the diaphragm coupler, the loading device is used for applying axial, radial or circumferential load to the diaphragm coupler, a detection device for detecting axial displacement or radial displacement or circumferential rotation angle generated when the diaphragm coupler is subjected to the axial, radial or circumferential load is installed near one end of the loading device, and the detection device transmits a detection signal to an upper computer so that the upper computer calculates and obtains an axial stiffness value or a radial stiffness value or a torsional stiffness value of the diaphragm coupler.
Wherein, the diaphragm coupling of the rail transit is shown in figure 2, and the axis is vertical to the radial line; as shown in fig. 14 and 15, the test article mounting tool may be a flange with end teeth on one surface, or may be a device with end teeth on the other surface that can mesh with the end teeth of the large gear rotating disc of the diaphragm coupling, which is not limited herein.
Specifically, this diaphragm shaft coupling combined test platform includes: the device comprises a base, a loading device for providing load for the diaphragm coupler, a fixing device for fixing the diaphragm coupler and a detection device for detecting displacement or circumferential rotation angle generated by the load applied to the diaphragm coupler, wherein the fixing device comprises a tested product installation tool, the tested product installation tool is a flange with end face teeth on one side, the tested product installation tool is meshed with the end face teeth of a large gear rotating disc of the diaphragm coupler and is fixed through bolt connection, the loading device is connected with a wheel side shaft end of the diaphragm coupler and generates load for the diaphragm coupler, and the detection device is arranged near one end of the diaphragm coupler close to the loading device, wherein the wheel side shaft end of the diaphragm coupler is also a loading connecting plate and a diaphragm disc transition plate; as shown in fig. 10, the loading device may include a displacement loading cylinder, a torsion loading cylinder and a servo driver, the detecting device may include a torque sensor, a force sensor and a displacement sensor, the user may control the servo driver to change the axial load of the displacement loading cylinder applied to the diaphragm coupler loading connection board through the serial port communication module by using the computer and feed back the load data to the computer through the force sensor, the data collecting module collects the displacement amount of the diaphragm coupler loading connection board detected by the displacement sensor and transmits the displacement amount to the computer, and the computer automatically draws an axial loading load and displacement curve chart through preset software and calculates the axial rigidity of the diaphragm coupler; the user can also control the servo driver to change the pushing or pulling radial load applied by the displacement loading electric cylinder to the diaphragm coupler diaphragm plate transition plate through the serial port communication module by using the computer, load data is fed back to the computer through the force sensor, the data acquisition module acquires the displacement of the diaphragm coupler diaphragm plate transition plate detected by the displacement sensor and transmits the displacement to the computer, and the computer automatically draws a radial loading load and displacement curve chart through preset software and calculates the radial rigidity of the diaphragm coupler; the user can also utilize serial communication module control servo driver in the computer to change the circumferential load that torsion loading motor applyed the diaphragm coupling and feed back the load data to the computer through torque sensor, the data acquisition module gathers diaphragm coupling circumference rotation angle that displacement sensor detected and transmits to the computer, the computer draws the graph of circumferential loading load and angle through preset software voluntarily, and calculate the torsional rigidity of diaphragm coupling, wherein preset software can adopt Lab VIEW test software, specifically can select different test software to draw and calculate as required, do not limit here, wherein the switching value control in figure 10 can control the beginning and the end that data acquisition module gathered data.
In the embodiment, the end face teeth are arranged on the tested product mounting tool, and are meshed with the end face teeth of the large gear rotating disc of the diaphragm coupler when the coupler rigidity test is carried out, and are fixedly connected with the large gear rotating disc through bolts, so that the diaphragm coupler is more firmly connected with the comprehensive test bed, slipping is not easy to occur, and the requirement of the diaphragm coupler for carrying out a large torque test is met; meanwhile, the wheel side shaft ends of the diaphragm coupler are fixed, the loading device is used for testing the applied load of the wheel side shaft ends of the diaphragm coupler, and the mounting mode which is more suitable for the diaphragm coupler is adopted, so that the accuracy of the result is higher when the diaphragm coupler is subjected to the rigidity test.
In one embodiment, referring to fig. 6 and 7, the fixing device further includes a test article mounting bracket, the loading device further includes a loading bracket and an axial servo motor, the detecting device includes a first pull-press sensor and a first displacement sensor, the test article mounting bracket and the loading bracket are mounted and fixed on the base, the test article mounting fixture is mounted and fixed on the test article mounting bracket, the axial servo motor is mounted and fixed on the loading bracket, one end of the first pull-press sensor is connected and fixed with the axial servo motor, the other end of the first pull-press sensor is connected and fixed with a wheel-side shaft end of the diaphragm coupler, and the first displacement sensor is mounted at one end of the axial servo motor, which is close to the first pull-press sensor.
Wherein the test article mounting bracket is shown in fig. 11, 12 and 13; the first pull-press sensor may be a pull-press sensor with a thickness of 100KN, the axial servo motor may be an R50-10 motor, and specifically, different pull-press sensors and motors may be selected according to the needs, which is not limited herein.
Specifically, the membrane coupling comprehensive test bed includes: the device comprises a base, a tested product mounting tool, a tested product mounting bracket, a loading bracket, an axial servo motor, a first pull-press sensor and a first displacement sensor, wherein the tested product mounting bracket is mounted on the base, the tested product mounting tool is mounted and fixed on the tested product mounting bracket, the tested product mounting tool is fixed with the diaphragm coupler through a bolt connection, end face teeth of the tested product mounting tool are meshed with end face teeth of a large gear rotating disc of the diaphragm coupler, the loading bracket is mounted and fixed on the base, the axial servo motor is mounted and fixed on the loading bracket, one end of the first pull-press sensor is fixedly connected with the axial servo motor, the other end of the first pull-press sensor is fixedly connected with a wheel side shaft end of the diaphragm coupler, and the first displacement sensor is mounted at one end of the axial servo motor, which is close to the first pull-press sensor.
In this embodiment, through the terminal surface tooth meshing and fixed through bolted connection with the big gear wheel rolling disc of test article installation frock and diaphragm shaft coupling, the first tension and compression sensor other end is connected fixedly with the wheel side axle end of diaphragm shaft coupling, carries out axial rigidity test to the diaphragm shaft coupling, makes the installation of diaphragm shaft coupling more firm in the experimentation, and the result is more accurate.
In one embodiment, the axial servo motor comprises an axial servo driver and an axial loading cylinder, and the axial servo driver is in communication connection with the axial loading cylinder.
Specifically, the membrane coupling comprehensive test bed includes: the device comprises a base, a tested product mounting fixture, a tested product mounting bracket, a loading bracket, an axial servo driver, an axial loading electric cylinder, a first pull-press sensor and a first displacement sensor, wherein the tested product mounting bracket is mounted on the base, the tested product mounting fixture is mounted and fixed on the tested product mounting bracket, the tested product mounting fixture is fixed with the diaphragm coupler through bolt connection, end face teeth of the tested product mounting fixture are meshed with end face teeth of a large gear rotating disc of the diaphragm coupler, the loading bracket is mounted and fixed on the base, the axial servo driver is mounted and fixed on the loading bracket, the axial servo driver is in communication connection with the axial loading electric cylinder, one end of the first pull-press sensor is fixedly connected with an axial servo motor, the other end of the first displacement sensor is fixedly connected with a wheel side shaft end of the diaphragm coupler, and the first displacement sensor is mounted at one end of the axial servo motor, which is close to the first pull-press sensor.
In one embodiment, the axial servo motor, the first tension and compression sensor and the diaphragm coupler are sequentially connected on the same axis.
Wherein the axis is as shown in fig. 2; specifically, the membrane coupling comprehensive test bed includes: the device comprises a base, a tested product mounting tool, a tested product mounting bracket, a loading bracket, an axial servo motor, a first pull-press sensor and a first displacement sensor, wherein the tested product mounting bracket is mounted on the base, the tested product mounting tool is mounted and fixed on the tested product mounting bracket, the tested product mounting tool is fixed with the diaphragm coupler through a bolt, end face teeth of the tested product mounting tool are meshed with end face teeth of a large gear rotating disc of the diaphragm coupler, the loading bracket is mounted and fixed on the base, the axial servo motor is mounted and fixed on the loading bracket, one end of the first pull-press sensor is fixedly connected with the axial servo motor, the other end of the first pull-press sensor is fixedly connected with a wheel side shaft end of the diaphragm coupler, the first displacement sensor is mounted on one end, close to the first pull-press sensor, of the axial servo motor, and the first pull-press sensor and the diaphragm coupler are sequentially connected and fixed on the same axis.
In the embodiment, the axial servo motor, the first tension and compression sensor and the diaphragm coupler are sequentially connected and fixed on the same axis, so that the result of the rail transit diaphragm sensor is more accurate when the axial rigidity test is carried out.
As an embodiment, referring to fig. 6, 7 and 10, if a user wants to perform an axial stiffness test on the diaphragm coupler, the axial servo driver can be controlled by a computer to enable the axial loading cylinder to apply pushing or pulling force to the loading connection plate of the diaphragm coupler, meanwhile, the first tension-compression sensor transmits the pushing or pulling force to the computer, the displacement of the loading connection plate is recorded by the first displacement sensor and transmitted to the computer, and the computer automatically draws a graph of the axial pushing or pulling force and the axial displacement through preset software and calculates the axial stiffness of the diaphragm coupler.
The loading connecting plate of the diaphragm coupler is the wheel side shaft end of the diaphragm coupler, and the computer is the upper computer.
In one embodiment, referring to fig. 4 and 5, the fixing device further includes an auxiliary supporting block, the loading device further includes a radial loading bracket and a radial servo motor, the detecting device further includes a second tension-compression sensor and a second displacement sensor, the auxiliary supporting block and the radial loading bracket are installed and fixed on the base, the auxiliary supporting block is below a wheel side shaft end of the diaphragm coupling and is connected and fixed with the wheel side shaft end, the radial loading bracket is installed and fixed on one side of the coupling, the radial servo motor is installed and fixed on the radial loading bracket, one end of the second tension-compression sensor is connected and fixed with the radial servo motor, the other end of the second tension-compression sensor is connected and fixed with the wheel side shaft end of the diaphragm coupling, and the second displacement sensor is installed at one end of the radial servo motor, which is close to the second tension-compression sensor.
Wherein the radial servo motor, the second tension and compression sensor and the wheel side shaft end are positioned on the same radial line, and the radial line is shown in figure 2; the second tension and compression sensor can be a 300Kg tension and compression sensor, the radial servo motor can be an R20-10 motor, and particularly, different tension and compression sensors and motors can be selected according to the needs, and the tension and compression sensor and the motor are not limited herein.
Specifically, the membrane coupling comprehensive test bed includes: the device comprises a base, a test article mounting fixture, a test article mounting bracket, a loading bracket, an auxiliary supporting block, an axial servo motor, a radial loading bracket, a radial servo motor, a first pull pressure sensor, a first displacement sensor, a second pull pressure sensor and a second displacement sensor, wherein the test article mounting bracket is mounted on the base, the test article mounting fixture is mounted and fixed on the test article mounting bracket, the test article mounting fixture is fixed with the diaphragm coupler through bolt connection, end face teeth of the test article mounting fixture are meshed with end face teeth of a large gear rotating disc of the diaphragm coupler, the loading bracket is mounted and fixed on the base, the axial servo motor is mounted and fixed on the loading bracket, one end of the first pull pressure sensor is fixedly connected with the axial servo motor, the other end of the first pull pressure sensor is fixedly connected with a wheel side shaft end of the diaphragm coupler, the first displacement sensor is mounted on one end, which is close to the first pull pressure sensor, the auxiliary supporting block is mounted on the lower side of the wheel side of the diaphragm coupler and fixedly connected with the wheel side of the diaphragm coupler, and the radial servo motor is fixedly connected with one end of the radial servo motor, and the second pull pressure sensor is fixedly connected with the radial servo motor, and the radial servo motor is fixedly connected with one end of the radial servo motor.
In this embodiment, through the terminal surface tooth meshing of test article installation frock and diaphragm coupling's gear wheel rolling disc and through bolted connection, the first tension and compression sensor other end is fixed with the wheel side axle end connection of diaphragm coupling, the second tension and compression sensor other end is fixed with the wheel side axle end connection of diaphragm coupling, carry out radial rigidity test to the diaphragm coupling, make the installation of diaphragm coupling more firm in the experimental process, the result is more accurate, install radial rigidity test's device and carry out radial rigidity test when having installed axial sensitivity test device, diaphragm coupling when having fixed radial rigidity test.
As an embodiment, referring to fig. 4, 5 and 10, if a user wants to perform a radial stiffness test on the diaphragm coupler, the radial servo driver can be controlled by a computer to enable the axial loading electric cylinder to apply push or pull force to the diaphragm disc transition plate of the diaphragm coupler, meanwhile, the first tension-compression sensor transmits the push or pull force to the computer, the displacement of the diaphragm disc transition plate is recorded by the first displacement sensor and transmitted to the computer, and the computer automatically draws a graph of axial push or pull force and radial displacement through preset software and calculates the radial stiffness of the diaphragm coupler.
The diaphragm plate transition plate of the diaphragm coupler is the wheel side shaft end of the diaphragm coupler, and the computer is the upper computer.
In one embodiment, referring to fig. 8 and 9, the fixing device further includes a test article mounting bracket, the loading device further includes a loading bracket, a loading motor and a speed reducer, the detecting device includes a torque meter and an inclinometer, the test article mounting bracket and the loading bracket are fixedly mounted on the base, the test article mounting fixture is mounted and fixed on the test article mounting bracket, the speed reducer is mounted and fixed on the loading bracket, one end of the torque meter is fixedly connected with one end of the speed reducer, the other end of the torque meter is fixedly connected with a wheel-side shaft end of the diaphragm coupling, the other end of the speed reducer is connected with the loading motor, and the inclinometer is mounted near the wheel-side shaft end of the diaphragm coupling.
The torque meter may be a torque meter of 150kn.m, and specifically, different torque meters may be selected according to requirements, which is not limited herein.
Specifically, the membrane coupling comprehensive test bed includes: the device comprises a base, a tested product mounting tool, a tested product mounting bracket, a loading motor, a speed reducer, a torque meter and an inclinometer, wherein the tested product mounting bracket is mounted on the base, the tested product mounting tool is mounted and fixed on the tested product mounting bracket, the tested product mounting tool is fixed with the diaphragm coupler through a bolt connection, end face teeth of the tested product mounting tool are meshed with end face teeth of a large gear rotating disc of the diaphragm coupler, the loading bracket is mounted and fixed on the base, the speed reducer is mounted and fixed on the loading bracket, one end of the torque meter is fixedly connected with one end of the speed reducer, the other end of the torque meter is fixedly connected with a wheel-side shaft end of the diaphragm coupler, the other end of the speed reducer is connected with the loading motor, and the inclinometer is mounted near the wheel-side shaft end of the diaphragm coupler.
In this embodiment, through the terminal surface tooth meshing and fixed through bolted connection with the big gear wheel rolling disc of test article installation frock and diaphragm shaft coupling, the moment of torsion appearance other end is fixed with the wheel side axle end connection of diaphragm shaft coupling, carries out moment of torsion rigidity test to the diaphragm shaft coupling, makes the installation of diaphragm shaft coupling more firm in the experimentation, and the result is more accurate.
In one embodiment, the loading device further comprises a torsion servo driver in communication with the loading motor.
Specifically, the membrane coupling comprehensive test bed includes: the device comprises a base, a tested product mounting fixture, a tested product mounting bracket, a loading motor, a torsion servo driver, a speed reducer, a torque meter and an inclinometer, wherein the torsion servo driver, the speed reducer, the torque meter and the inclinometer are in communication connection with the loading motor, the tested product mounting bracket is mounted on the base, the tested product mounting fixture is mounted and fixed on the tested product mounting bracket, the tested product mounting fixture is fixed with the diaphragm coupler through bolt connection, end face teeth of the tested product mounting fixture are meshed with end face teeth of a large gear rotating disc of the diaphragm coupler, the loading bracket is mounted and fixed on the base, the speed reducer is mounted and fixed on the loading bracket, one end of the torque meter is fixedly connected with one end of the speed reducer, the other end of the torque meter is fixedly connected with a wheel side shaft end of the diaphragm coupler, the other end of the speed reducer is connected with the loading motor, and the inclinometer is mounted near the wheel side shaft end of the diaphragm coupler.
In one embodiment, as shown in fig. 9, the speed reducer and the torque meter are connected and fixed through a connecting flange and a fastening bolt.
The membrane coupling comprehensive test bed comprises: the device comprises a base, a tested product mounting tool, a tested product mounting bracket, a loading motor, a speed reducer, a torque meter and an inclinometer, wherein the tested product mounting bracket is mounted on the base, the tested product mounting tool is mounted and fixed on the tested product mounting bracket, the tested product mounting tool is fixed with the diaphragm coupler through a bolt connection, end face teeth of the tested product mounting tool are meshed with end face teeth of a large gear rotating disc of the diaphragm coupler, the loading bracket is mounted and fixed on the base, the speed reducer is mounted and fixed on the loading bracket, one end of the torque meter is fixedly connected with one end of the speed reducer, the other end of the torque meter is fixedly connected with a wheel side shaft end of the diaphragm coupler through a connecting flange and a fastening bolt, the other end of the speed reducer is connected with the loading motor, and the inclinometer is mounted on the connecting flange.
In this embodiment, the speed reducer is connected and fixed with the torque meter through the flange and the fastening bolt, so that the connection of the diaphragm coupler is more fastened, and the result of the torsional rigidity test is more accurate.
As an embodiment, referring to fig. 8, 9 and 10, if a user wants to perform a torsional stiffness test on the diaphragm coupler, the computer can control the torsional servo driver to enable the speed reducer to apply a circumferential load to the loading connection plate of the diaphragm coupler, meanwhile, the torque meter transmits torsion data to the computer, the inclinometer records the circumferential rotation angle and transmits the circumferential rotation angle to the computer, and the computer automatically draws a graph of the torque data and the angle through preset software and calculates the torsional stiffness of the diaphragm coupler.
The loading connecting plate of the diaphragm coupler is the wheel side shaft end of the diaphragm coupler, and the computer is the upper computer.
In one embodiment, the loading means, the securing means and the detecting means are detachable.
Specifically, loading device includes loading support, radial loading support, axial servo motor, radial servo motor, supplementary riding block, speed reducer and loading motor, fixing device includes test article installation frock and test article installing support, detection device includes first displacement sensor, second displacement sensor, first pressure sensor, second pressure sensor, torquer and inclinometer that draws, loading device, fixing device and detection device can dismantle.
In this embodiment, loading device, fixing device and detection device all can dismantle, specifically can be according to the device combination installation of the different minutes of demand, make the use of diaphragm coupling comprehensive test platform more nimble.
In one embodiment, referring to fig. 7 and 9, the base is provided with a slide rail, and the fixing device is mounted on the slide rail.
Specifically, the membrane coupling comprehensive test bed includes: the device comprises a base, a loading device for providing load for the diaphragm coupler and a fixing device for fixing the diaphragm coupler, wherein the loading device is fixed on the base with the fixing device, a sliding rail is arranged on the base, the fixing device is installed on the sliding rail, the fixing device comprises a tested product installation tool, the tested product installation tool is provided with two surfaces and one surface of the tested product installation tool is provided with end face teeth, the tested product installation tool is fixed with the diaphragm coupler through bolt connection, the end face teeth of the tested product installation tool are meshed with the end face teeth of a large gear rotating disc of the diaphragm coupler, the loading device is connected with a wheel side shaft end of the diaphragm coupler and generates axial, radial or circumferential load for the diaphragm coupler, a detection device for detecting axial displacement or radial displacement or circumferential rotation angle generated by the axial, radial displacement or circumferential load applied to the diaphragm coupler is installed near one end of the loading device, and the detection device transmits detection signals to an upper computer so that the upper computer calculates and obtains an axial stiffness value or a radial stiffness value or a torsional stiffness value of the diaphragm coupler.
In this embodiment, through setting up the slide rail on the base, fixing device can remove also can be fixed on the slide rail, and fixing device's installation is more nimble, can adapt to the diaphragm coupling and carry out the position change of fixing device when different rigidity tests.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (10)
1. The utility model provides a diaphragm shaft coupling combined test platform, the diaphragm shaft coupling is the diaphragm shaft coupling of track traffic class, its characterized in that, diaphragm shaft coupling combined test platform includes: the device comprises a base, a loading device for providing load for the diaphragm coupler and a fixing device for fixing the diaphragm coupler, wherein the loading device and the fixing device are fixed on the base, the fixing device comprises a tested product installation tool, one surface of the tested product installation tool is provided with end face teeth, the tested product installation tool is fixedly connected with the diaphragm coupler through bolts, the end face teeth of the tested product installation tool are meshed with the end face teeth of a large gear rotating disc of the diaphragm coupler, the loading device is connected with a wheel side shaft end of the diaphragm coupler, the loading device is used for applying axial, radial or circumferential load to the diaphragm coupler, a detection device for detecting axial displacement or radial displacement or circumferential rotation angle generated when the diaphragm coupler is subjected to the axial, radial or circumferential load is installed near one end of the loading device, and the detection device transmits a detection signal to an upper computer so that the upper computer calculates and obtains an axial stiffness value or a radial stiffness value or a torsional stiffness value of the diaphragm coupler.
2. The membrane coupler comprehensive test bed according to claim 1, wherein the fixing device further comprises a test article mounting bracket, the loading device further comprises a loading bracket and an axial servo motor, the detecting device comprises a first pull-press sensor and a first displacement sensor, the test article mounting bracket and the loading bracket are fixedly arranged on the base, the test article mounting fixture is fixedly arranged on the test article mounting bracket, the axial servo motor is fixedly arranged on the loading bracket, one end of the first pull-press sensor is fixedly connected with the axial servo motor, the other end of the first pull-press sensor is fixedly connected with the wheel side shaft end of the membrane coupler, and the first displacement sensor is arranged at one end, close to the first pull-press sensor, of the axial servo motor.
3. The membrane coupling comprehensive test stand of claim 2, wherein the axial servo motor comprises an axial servo driver and an axial loading cylinder, the axial servo driver being communicatively coupled to the axial loading cylinder.
4. The membrane coupler integrated test stand of claim 2, wherein the axial servo motor, the first pull-press sensor, and the membrane coupler are sequentially connected on the same axis.
5. The membrane coupling comprehensive test bed according to claim 2, wherein the fixing device further comprises an auxiliary supporting block, the loading device further comprises a radial loading support and a radial servo motor, the detecting device further comprises a second tension and compression sensor and a second displacement sensor, the auxiliary supporting block and the radial loading support are fixedly arranged on the base, the auxiliary supporting block is arranged below a wheel side shaft end of the membrane coupling and fixedly connected with the wheel side shaft end, the radial loading support is fixedly arranged on one side of the coupling, the radial servo motor is fixedly arranged on the radial loading support, one end of the second tension and compression sensor is fixedly connected with the radial servo motor, the other end of the second tension and compression sensor is fixedly connected with the wheel side shaft end of the membrane coupling, and the second displacement sensor is arranged at one end, close to the second tension and compression sensor, of the radial servo motor.
6. The membrane coupler comprehensive test bed according to claim 1, wherein the fixing device further comprises a test article mounting bracket, the loading device further comprises a loading bracket, a loading motor and a speed reducer, the detecting device comprises a torque meter and an inclinometer, the test article mounting bracket and the loading bracket are fixedly mounted on the base, the test article mounting fixture is fixedly mounted on the test article mounting bracket, the speed reducer is fixedly mounted on the loading bracket, one end of the torque meter is fixedly connected with one end of the speed reducer, the other end of the torque meter is fixedly connected with a wheel side shaft end of the membrane coupler, the other end of the speed reducer is connected with the loading motor, and the inclinometer is mounted near the wheel side shaft end of the membrane coupler.
7. The membrane coupler integrated test stand of claim 6, wherein said loading device further comprises a torsion servo driver communicatively coupled to said loading motor.
8. The membrane coupler comprehensive test stand of claim 6, wherein the speed reducer and the torque meter are fixedly connected through a connecting flange and a fastening bolt.
9. The membrane coupling combination test stand of any one of claims 1-8, wherein said loading means, securing means and detecting means are removable.
10. The membrane coupling comprehensive test stand according to claim 1, wherein a slide rail is provided on the base, and the fixing device is mounted on the slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410032195.1A CN117906947A (en) | 2024-01-09 | 2024-01-09 | Comprehensive test bed for diaphragm coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410032195.1A CN117906947A (en) | 2024-01-09 | 2024-01-09 | Comprehensive test bed for diaphragm coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117906947A true CN117906947A (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410032195.1A Pending CN117906947A (en) | 2024-01-09 | 2024-01-09 | Comprehensive test bed for diaphragm coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117906947A (en) |
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2024
- 2024-01-09 CN CN202410032195.1A patent/CN117906947A/en active Pending
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