CN216870000U - Fault simulation experiment device - Google Patents
Fault simulation experiment device Download PDFInfo
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- CN216870000U CN216870000U CN202220469923.1U CN202220469923U CN216870000U CN 216870000 U CN216870000 U CN 216870000U CN 202220469923 U CN202220469923 U CN 202220469923U CN 216870000 U CN216870000 U CN 216870000U
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Abstract
The utility model relates to a fault simulation experiment device which comprises a driving piece, a first rotating shaft, a rolling bearing fault simulation module, a rolling bearing comparison module, a transmission mechanism, a gear fault simulation module, a load simulation module and a signal acquisition system, wherein the driving piece is connected with the first rotating shaft through a transmission mechanism; the output end of the driving piece is connected with one end of the first rotating shaft, the other end of the first rotating shaft is connected with the rolling bearing fault simulation module and the rolling bearing comparison module, the first rotating shaft is further connected with the input end of the gear fault simulation module through the transmission mechanism, and the output end of the gear fault simulation module is connected with the load simulation module. Compared with the prior art, the fault simulation experiment device provided by the utility model is provided with the transmission mechanism which can connect the rolling bearing fault simulation module and the gear fault simulation module together, so that the fault simulation experiment device can simultaneously simulate the faults of the rolling bearing and the gear.
Description
Technical Field
The utility model relates to the technical field of experimental devices, in particular to a fault simulation experimental device.
Background
The rotating machine is a common mechanical structure and is widely applied to a plurality of modern industrial fields of electric power, aerospace, metallurgy, wind power generation, nuclear power generation and the like. As the most widely used transmission components in rotary machines, the condition of the gears and the rolling bearings plays a crucial role in the normal operation of the rotary machine. Therefore, it is necessary to build an experimental device to study various faults of the gear and the rolling bearing.
The existing experimental device can only simulate a rolling bearing or a gear, and particularly refers to a parallel bearing combination fault simulation experimental device disclosed in patent CN202022963550.7 and a gear transmission system fault diagnosis experimental bench disclosed in patent CN 201811090696.6.
Therefore, a fault simulation experiment device is needed to solve the problem that the faults of the rolling bearing and the gear cannot be simulated simultaneously in the existing experiment device.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a fault simulation experiment apparatus to solve the problem that the conventional experiment apparatus cannot simultaneously simulate the faults of the rolling bearing and the gear.
The utility model provides a fault simulation experiment device which comprises a driving piece, a first rotating shaft, a rolling bearing fault simulation module, a rolling bearing comparison module, a transmission mechanism, a gear fault simulation module, a load simulation module and a signal acquisition system, wherein the first rotating shaft is connected with the first rotating shaft through a transmission mechanism;
the output end of the driving piece is connected with one end of the first rotating shaft so as to drive the first rotating shaft to rotate, the other end of the first rotating shaft is connected with the rolling bearing fault simulation module and the rolling bearing comparison module, the first rotating shaft is also connected with the input end of the gear fault simulation module through the transmission mechanism so as to drive the input end of the gear fault simulation module to rotate, the output end of the gear fault simulation module is connected with the load simulation module, and the load simulation module is used for applying a load to the output end of the gear fault simulation module;
the signal acquisition system is used for acquiring vibration signals of the rolling bearing fault simulation module, the rolling bearing comparison module and the gear fault simulation module.
Furthermore, the rolling bearing fault simulation module comprises a fault bearing and a first mounting seat, the first rotating shaft is fixedly connected with an inner ring of the fault bearing, and an outer ring of the fault bearing is fixedly connected with the first mounting seat.
Furthermore, the rolling bearing comparison module comprises a rolling bearing and a second mounting seat, the first rotating shaft is fixedly connected with an inner ring of the rolling bearing, and an outer ring of the rolling bearing is fixedly connected with the second mounting seat.
Further, drive mechanism includes drive assembly and second pivot, first pivot passes through drive assembly with the one end of second pivot is connected, in order to drive the second pivot rotates, the other end of second pivot with the input fixed connection of gear fault simulation module.
Further, the transmission assembly comprises a first belt wheel, a second belt wheel and a synchronous belt, the first belt wheel is fixedly connected with the first rotating shaft, the second belt wheel is fixedly connected with the second rotating shaft, and the synchronous belt is wound on the first belt wheel and the outer portion of the second belt wheel.
Furthermore, the transmission mechanism further comprises a plurality of bearing seats, and the bearing seats are rotatably connected with the second rotating shaft.
Furthermore, the gear fault simulation module comprises a speed reducer, the transmission mechanism is fixedly connected with the input end of the speed reducer, the output end of the speed reducer is fixedly connected with the load simulation module, and a fault gear is arranged in the speed reducer.
Further, the load simulation module comprises a brake, and the brake is fixedly connected with the output end of the gear fault simulation module.
Further, the signal acquisition system includes a plurality of sensors and signal acquisition module, partly the sensor set up in the outside of antifriction bearing trouble simulation module, in order to respond to the vibration signal of antifriction bearing trouble simulation module, another part the sensor set up in the outside of antifriction bearing contrast module, in order to respond to the vibration signal of antifriction bearing contrast module, another part the sensor set up in the outside of gear trouble simulation module, in order to respond to the vibration signal of gear trouble simulation module, signal acquisition module is with a plurality of the sensor electricity is connected, in order to gather a plurality of the vibration signal that the sensor was sensed.
Furthermore, the fault simulation experiment device further comprises an installation chassis, and the driving piece, the rolling bearing fault simulation module, the rolling bearing comparison module, the gear fault simulation module and the load simulation module are all fixedly arranged on the installation chassis.
Compared with the prior art, the fault simulation experiment device provided by the utility model has the following beneficial effects:
1. the simulation experiment device is provided with a transmission mechanism which can connect the rolling bearing fault simulation module and the gear fault simulation module together, so that the simulation experiment device can simultaneously simulate the faults of the rolling bearing and the gear;
2. still be provided with antifriction bearing contrast module among this simulation experiment device, after the vibration signal of gathering antifriction bearing contrast module, the staff can contrast its and antifriction bearing fault simulation module's vibration data to obtain more accurate analysis result.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a fault simulation experiment apparatus provided in the present invention;
FIG. 2 is a schematic structural diagram of a fault simulation experiment apparatus provided by the present invention, except for an installation chassis;
fig. 3 is a schematic structural diagram of a preferred embodiment of a rolling bearing fault simulation module in the fault simulation experiment device provided by the present invention;
fig. 4 is a schematic structural diagram of a preferred embodiment of a rolling bearing comparison module in the fault simulation experiment device provided by the utility model;
fig. 5 is a schematic structural diagram of a preferred embodiment of a fault simulation module of a gear fault simulation module, a transmission mechanism and a first rotating shaft in the fault simulation experiment apparatus provided in the present invention;
fig. 6 is a schematic structural diagram of a preferred embodiment of a transmission assembly in the fault simulation experiment apparatus provided by the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
Referring to fig. 1 and 2, the present invention provides a fault simulation experiment apparatus, which includes a driving member 1, a first rotating shaft 2, a rolling bearing fault simulation module 3, a rolling bearing comparison module 4, a transmission mechanism 5, a gear fault simulation module 6, a load simulation module 7, and a signal acquisition system (not shown in the figure).
It should be noted that, in this embodiment, the driving component 1 may be a driving component capable of directly providing a rotational driving force, such as a motor, the rolling bearing fault simulation module 3 and the gear fault simulation module 6 may be simulation modules in an existing simulation experiment platform, and the rolling bearing comparison module 4 may be a rolling bearing fault simulation module 3 in an existing simulation experiment platform, which replaces a faulty bearing with a normal bearing. Of course, in other embodiments, the rolling bearing fault simulation module 3, the rolling bearing comparison module 4 and the gear fault simulation module 6 may also be other components, and the utility model is not limited thereto.
The output of driving piece 1 with the one end of first pivot 2 is connected, in order to drive first pivot 2 rotates, the other end of first pivot 2 with antifriction bearing fault simulation module 3 and antifriction bearing contrast module 4 are connected, in order to drive the bearing in antifriction bearing fault simulation module 3 and the antifriction bearing contrast module 4 rotates, first pivot 2 still passes through drive mechanism 5 with gear fault simulation module 6's input is connected, in order to drive gear fault simulation module 6's input rotates, drives promptly gear in gear fault simulation module 6 rotates, gear fault simulation module 6's output with load simulation module 7 is connected, load simulation module 7 be used for to gear fault simulation module 6's output is applyed the load.
The signal acquisition system is used for acquiring vibration signals of the rolling bearings or the gears in the rolling bearing fault simulation module 3, the rolling bearing comparison module 4 and the gear fault simulation module 6. In this embodiment, the signal acquisition system may be an acquisition system composed of a sensor, a signal acquisition instrument, and the like.
In actual practical process, the staff only need with antifriction bearing fault simulation module 3 and gear fault simulation module 6 set up to the fault type that needs the simulation, the rethread driving piece 1 drive antifriction bearing or gear rotation among antifriction bearing fault simulation module 3, the antifriction bearing contrast module 4 and the gear fault simulation module 6, the rethread signal acquisition system gathers the vibration signal of antifriction bearing or gear wherein, alright completion simulation.
Compared with the prior art, the fault simulation experiment device provided by the utility model has the following beneficial effects:
on one hand, the simulation experiment device is provided with a transmission mechanism 5 which can connect the rolling bearing fault simulation module 3 and the gear fault simulation module 6 together, so that the simulation experiment device can simultaneously simulate the faults of the rolling bearing and the gear;
on the other hand, still be provided with antifriction bearing contrast module 4 among this simulation experiment device, after the vibration signal of gathering antifriction bearing contrast module 4, the staff can compare its vibration data with antifriction bearing fault simulation module 3 to obtain more accurate analysis result.
Referring to fig. 2 and 3, in a more specific embodiment, the rolling bearing fault simulation module 3 includes a fault bearing 31 and a first mounting seat 32, an outer portion of the first rotating shaft 2 is fixedly connected to an inner ring of the fault bearing 31, and an outer ring of the fault bearing 31 is fixedly connected to the first mounting seat 32.
Referring to fig. 2 and 4, in a more preferred embodiment, the rolling bearing comparison module 4 includes a rolling bearing 41 and a second mounting seat 42, an outer portion of the first shaft 2 is fixedly connected to an inner ring of the rolling bearing 41, and an outer ring of the rolling bearing 41 is fixedly connected to the second mounting seat 42.
In a more preferred embodiment, the signal acquisition system comprises three sensors and a signal acquisition module, wherein the sensors may be vibration acceleration sensors. One of the sensors is arranged outside the rolling bearing fault simulation module 3 to sense a vibration signal of a fault bearing 31 in the rolling bearing fault simulation module 3, the other sensor is arranged outside the rolling bearing comparison module 4 to sense a vibration signal of a rolling bearing 41 in the rolling bearing comparison module 4, and the other sensor is arranged outside the gear fault simulation module 6 to sense a vibration signal of a fault gear in the gear fault simulation module 6.
It should be noted that, in other embodiments, the sensors may be disposed in other positions, as well as in other numbers, which is not limited by the present invention.
It should be noted that the sensors should be arranged at positions with a higher load density as much as possible to ensure that a larger vibration signal can be obtained, and the measurement directions of the sensors for sensing the rolling bearing fault simulation module 3 and the rolling bearing comparison module 4 should be considered according to the bearing conditions of the bearing, for example, if the bearing bears a radial load, the radial vibration should be measured; if the bearing is subjected to an axial load, axial vibration should be measured; if the bearing is subjected to both radial and axial loads, the sensors should be arranged in both directions simultaneously.
The signal acquisition module is electrically connected with the three sensors to acquire vibration signals sensed by the three sensors.
In a more specific embodiment, the signal acquisition module includes a signal conditioning board and a data acquisition card, the plurality of sensors are electrically connected to the signal conditioning board, and the signal conditioning board is electrically connected to the data acquisition card, wherein the signal conditioning board is configured to amplify a signal sensed by the sensors, and the data acquisition card is configured to convert the amplified signal into a digital signal and store the digital signal, thereby completing acquisition of analog data. Of course, in other embodiments, the signal acquisition module may also be composed of other components, and the present invention is not limited thereto.
Referring to fig. 5, in a more specific embodiment, the transmission mechanism 5 includes a transmission assembly 51 and a second rotating shaft 52, the first rotating shaft 2 is connected to one end of the second rotating shaft 52 through the transmission assembly 51 to drive the second rotating shaft 52 to rotate, and the other end of the second rotating shaft 52 is fixedly connected to the input end of the gear failure simulation module 6 to drive the gear therein to rotate.
Referring to fig. 5 and 6, in a more specific embodiment, the transmission assembly 51 includes a first pulley 511, a second pulley 512, and a synchronous belt 513, the first pulley 511 is fixedly connected to the first rotating shaft 2, the second pulley 512 is fixedly connected to the second rotating shaft 52, and the synchronous belt 513 is wound around the first pulley 511 and the second pulley 512. Of course, in other embodiments, the transmission assembly 51 may also be other transmission components, such as a chain sprocket, etc.
Referring to fig. 5 and fig. 6, in a more preferred embodiment, the transmission mechanism 5 further includes two bearing seats 53, and the two bearing seats 53 are respectively disposed on two sides of the second pulley 512 and are rotatably connected to the second rotating shaft 52 to support the second rotating shaft 52.
It should be noted that, in other embodiments, the bearing seats 53 may be provided in other positions as well as other numbers, as long as the second rotating shaft 52 can be supported, which is not limited in the present invention.
In a more preferred embodiment, the gear failure simulation module 6 includes a speed reducer, the transmission mechanism 5 is fixedly connected with an input end of the speed reducer to drive the input end of the speed reducer to rotate, an output end of the speed reducer is fixedly connected with the load simulation module 7, and a failure gear is arranged in the speed reducer.
In a more preferred embodiment, the load simulation module 7 comprises a brake, in a more specific embodiment, the brake is a magnetic particle brake, and the brake is fixedly connected with the output end of the gear failure simulation module 6 so as to apply a load to the output end of the gear failure simulation module 6.
Referring to fig. 1 and 2, in a more preferred embodiment, the fault simulation experiment apparatus further includes a mounting chassis 8, and the driving member 1, the rolling bearing fault simulation module 3, the rolling bearing comparison module 4, the gear fault simulation module 6, and the load simulation module 7 are all fixedly disposed on the mounting chassis 8, so that the entire fault simulation experiment apparatus is more convenient to move.
For a better understanding of the present invention, the present invention is described in detail below with reference to fig. 1 to 6:
in actual practical process, the staff only need with trouble bearing 31 and trouble gear among antifriction bearing fault simulation module 3 and the gear fault simulation module 6 are changed for the trouble type that needs the simulation, the rethread driving piece 1 drive antifriction bearing or gear rotation among antifriction bearing fault simulation module 3, the antifriction bearing contrast module 4 and the gear fault simulation module 6, the rethread the vibration signal of antifriction bearing or gear wherein is gathered to signal acquisition system, alright completion simulation.
In summary, the fault simulation experiment device provided by the utility model has the following beneficial effects:
on one hand, the simulation experiment device is provided with a transmission mechanism which can connect the rolling bearing fault simulation module and the gear fault simulation module together, so that the simulation experiment device can simultaneously simulate the faults of the rolling bearing and the gear;
on the other hand, still be provided with antifriction bearing contrast module among this simulation experiment device, after the vibration signal of gathering antifriction bearing contrast module, the staff can compare its and the vibration data of antifriction bearing fault simulation module to obtain more accurate analysis result.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A fault simulation experiment device is characterized by comprising a driving piece, a first rotating shaft, a rolling bearing fault simulation module, a rolling bearing comparison module, a transmission mechanism, a gear fault simulation module, a load simulation module and a signal acquisition system;
the output end of the driving piece is connected with one end of the first rotating shaft so as to drive the first rotating shaft to rotate, the other end of the first rotating shaft is connected with the rolling bearing fault simulation module and the rolling bearing comparison module, the first rotating shaft is also connected with the input end of the gear fault simulation module through the transmission mechanism so as to drive the input end of the gear fault simulation module to rotate, the output end of the gear fault simulation module is connected with the load simulation module, and the load simulation module is used for applying a load to the output end of the gear fault simulation module;
the signal acquisition system is used for acquiring vibration signals of the rolling bearing fault simulation module, the rolling bearing comparison module and the gear fault simulation module.
2. The fault simulation experiment device according to claim 1, wherein the rolling bearing fault simulation module comprises a fault bearing and a first mounting seat, the first rotating shaft is fixedly connected with an inner ring of the fault bearing, and an outer ring of the fault bearing is fixedly connected with the first mounting seat.
3. The fault simulation experiment device according to claim 1, wherein the rolling bearing comparison module comprises a rolling bearing and a second mounting seat, the first rotating shaft is fixedly connected with an inner ring of the rolling bearing, and an outer ring of the rolling bearing is fixedly connected with the second mounting seat.
4. The fault simulation experiment device according to claim 1, wherein the transmission mechanism comprises a transmission assembly and a second rotating shaft, the first rotating shaft is connected with one end of the second rotating shaft through the transmission assembly so as to drive the second rotating shaft to rotate, and the other end of the second rotating shaft is fixedly connected with the input end of the gear fault simulation module.
5. The device according to claim 4, wherein the transmission assembly includes a first pulley, a second pulley, and a synchronous belt, the first pulley is fixedly connected to the first rotating shaft, the second pulley is fixedly connected to the second rotating shaft, and the synchronous belt is wound around the first pulley and the second pulley.
6. The failure simulation experiment device of claim 4, wherein the transmission mechanism further comprises a plurality of bearing seats, and the bearing seats are rotatably connected with the second rotating shaft.
7. The fault simulation experiment device according to claim 1, wherein the gear fault simulation module comprises a speed reducer, the transmission mechanism is fixedly connected with an input end of the speed reducer, an output end of the speed reducer is fixedly connected with the load simulation module, and a fault gear is arranged in the speed reducer.
8. The fault simulation experiment device of claim 1, wherein the load simulation module comprises a brake, and the brake is fixedly connected with the output end of the gear fault simulation module.
9. The device of claim 1, wherein the signal collection system comprises a plurality of sensors and a signal collection module, one part of the sensors are disposed outside the rolling bearing fault simulation module to sense the vibration signals of the rolling bearing fault simulation module, the other part of the sensors are disposed outside the rolling bearing comparison module to sense the vibration signals of the rolling bearing comparison module, the other part of the sensors are disposed outside the gear fault simulation module to sense the vibration signals of the gear fault simulation module, and the signal collection module is electrically connected to the plurality of sensors to collect the vibration signals sensed by the plurality of sensors.
10. The fault simulation experiment device according to claim 1, further comprising an installation chassis, wherein the driving member, the rolling bearing fault simulation module, the rolling bearing comparison module, the gear fault simulation module and the load simulation module are all fixedly arranged on the installation chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220469923.1U CN216870000U (en) | 2022-03-03 | 2022-03-03 | Fault simulation experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220469923.1U CN216870000U (en) | 2022-03-03 | 2022-03-03 | Fault simulation experiment device |
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| Publication Number | Publication Date |
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| CN216870000U true CN216870000U (en) | 2022-07-01 |
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| CN202220469923.1U Active CN216870000U (en) | 2022-03-03 | 2022-03-03 | Fault simulation experiment device |
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| CN (1) | CN216870000U (en) |
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- 2022-03-03 CN CN202220469923.1U patent/CN216870000U/en active Active
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