CN212110572U - Gear variable tooth backlash motion test bed - Google Patents
Gear variable tooth backlash motion test bed Download PDFInfo
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- CN212110572U CN212110572U CN202020837258.8U CN202020837258U CN212110572U CN 212110572 U CN212110572 U CN 212110572U CN 202020837258 U CN202020837258 U CN 202020837258U CN 212110572 U CN212110572 U CN 212110572U
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- gear
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- support seat
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- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 230000033001 locomotion Effects 0.000 title claims abstract description 15
- 239000006247 magnetic powder Substances 0.000 claims abstract description 35
- 230000001360 synchronised effect Effects 0.000 claims abstract description 33
- 229910001018 Cast iron Inorganic materials 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000036541 health Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a gear becomes tooth backlash motion test platform, including a plurality of movable guide rails, bearing I, bearing II, bearing III, bearing IV, a plurality of shaft couplings, input shaft, output shaft, gear I, gear II, base, motor base, magnetic powder brake base, synchronous servo motor. The utility model can realize the adjustment of the tooth backlash between the meshing gears in a mechanical control mode, use the synchronous servo motor as a power source, use the sensor to collect vibration signals of the x axis and the y axis of the synchronous servo motor and the rolling bearing in the whole operation process, and monitor the three-phase current of the synchronous servo motor; the RS485 protocol is used for communicating with the servo driver, signals such as current, rotating speed and torque of the servo motor during working are detected, collected signals are analyzed, and characteristic quantities are extracted, so that the health state of the gear transmission system can be monitored in real time.
Description
Technical Field
The utility model relates to a gear becomes tooth backlash motion test bench belongs to fault detection technical field.
Background
With the development trend of large-scale, continuous, high-speed and automatic industrial machinery, the machinery can generate faults in the operation process, and can greatly influence the production in work. The mechanical failure diagnosis technology is that a sensor is used for measuring a state signal of mechanical equipment in operation or under a relatively static condition, and the real-time health state of the mechanical equipment, parts, components and the whole machine is quantitatively identified by processing and analyzing the acquired signal and combining the historical condition of a diagnosis object. And foresees about abnormality, failure, prediction of its future operation state, etc., thereby determining a necessary countermeasure. The mechanical fault monitoring and diagnosing technology plays an important role in the aspects of safe, reliable and efficient operation of equipment, and can ensure the stable operation of a system to a great extent.
In the field of fault detection, the research on the influence of mechanical properties under different tooth clearance working conditions on a gear transmission system is necessary, but the conventional movement test bed with variable tooth backlash is lacked, so that the research is inconvenient.
Disclosure of Invention
The utility model provides a gear becomes tooth backlash motion test platform to a regulation that is used for the mode through mechanical control to realize the tooth backlash between the meshing gear.
The technical scheme of the utility model is that: a gear variable tooth backlash motion test bed comprises a plurality of moving guide rails, a bearing support seat I2-1, a bearing support seat II 2-2, a bearing support seat III 2-3, a bearing support seat IV 2-4, a plurality of couplers 3, an input shaft 4-1, an output shaft 4-2, a gear I5-1, a gear II 5-2, a base 6, a motor base 7, a magnetic powder brake 8, a magnetic powder brake base 9 and a synchronous servo motor 10;
wherein the base 6 is provided with a movable guide rail which is used for installing a bearing support seat I2-1, a bearing support seat II 2-2, a bearing support seat III 2-3, a bearing support seat IV 2-4, a magnetic powder brake base 9 and a motor base 7, the motor base 7 is provided with a synchronous servo motor 10, the output end of the synchronous servo motor 10 is connected with one end of the bearing support seat II 2-2 through a first coupler 3, the other end of the bearing support seat II 2-2 is connected with one end of an input shaft 4-1 through a second coupler 3, the other end of the input shaft 4-1 passes through a gear I5-1 and then is connected with one end of the bearing support seat I2-1 through a third coupler 3, the magnetic powder brake base 9 is provided with a magnetic powder brake 8, and the magnetic powder brake 8 is connected with one end of the bearing support seat 2, the other end of the bearing support seat III 2-3 is connected with one end of an output shaft 4-2 through a fifth coupler 3, and the other end of the output shaft 4-2 penetrates through a gear II 5-2 and then is connected with one end of a bearing support seat IV 2-4 through a sixth coupler 3.
The base 6 is detachably connected with the movable guide rail, the movable guide rail is detachably connected with the bearing support seat I2-1, the bearing support seat II 2-2, the bearing support seat III 2-3, the bearing support seat IV 2-4, the magnetic powder brake base 9 and the motor base 7, and the motor base 7 is detachably connected with the synchronous servo motor 10.
The detachable connection is a bolt connection.
The movable guide rail and the base 6 are made of cast iron.
The synchronous servo motor 10 adopts the following models: PG 30-10-22-30-95.
The utility model has the advantages that: the utility model discloses can realize the regulation of the tooth backlash between the meshing gear through mechanical control's mode, change the motion under the gear meshing tooth backlash condition, use synchronous servo motor as the power supply, use the sensor to the x axle of synchronous servo motor and antifriction bearing, the collection of vibration signal is carried out to the y axle direction in whole operation process, monitors synchronous servo motor's three-phase current simultaneously; the RS485 protocol is used for communicating with the servo driver, signals such as current, rotating speed and torque of the servo motor during working are detected, collected signals are analyzed, and characteristic quantities are extracted, so that the health state of the gear transmission system can be monitored in real time.
Drawings
FIG. 1 is a schematic view of the overall assembly of the present invention;
FIG. 2 is a schematic view of the gear structure of the present invention;
FIG. 3 is a schematic structural view of the synchronous servo motor of the present invention;
fig. 4 is a schematic structural view of the magnetic powder brake of the present invention;
fig. 5 is a schematic structural view of the input shaft of the present invention;
FIG. 6 is a schematic structural view of the bearing support of the present invention;
fig. 7 is a schematic view of the structure of the movable guide rail of the present invention;
fig. 8 is a schematic structural view of the magnetic powder brake base of the present invention;
FIG. 9 is a schematic structural view of the cast iron base of the present invention;
the reference numbers in the figures are: the magnetic powder brake system comprises a 1-1-moving guide rail I, a 1-2-moving guide rail II, a 1-3-moving guide rail III, a 1-4-moving guide rail IV, a 1-5-moving guide rail V, a 1-6-moving guide rail VI, a 2-1-bearing support seat I, a 2-2-bearing support seat II, a 2-3-bearing support seat III, a 2-4-bearing support seat IV, a 3-coupler, a 4-1-input shaft, a 4-2-output shaft, a 5-1-gear I, a 5-2-gear II, a 6-base, a 7-motor base, an 8-magnetic powder brake, a 9-magnetic powder brake base and a 10-synchronous servo motor.
Detailed Description
The invention will be further described with reference to the following drawings and examples, but the scope of the invention is not limited thereto.
Example 1: as shown in fig. 1-9, a gear variable tooth backlash motion test bed comprises a plurality of moving guide rails (such as moving guide rails i 1-1, moving guide rails ii 1-2, moving guide rails iii 1-3, moving guide rails iv 1-4, moving guide rails v 1-5, moving guide rails vi 1-6), bearing support seats i 2-1, bearing support seats ii 2-2, bearing support seats iii 2-3, bearing support seats iv 2-4, a plurality of couplings 3, input shafts 4-1, output shafts 4-2, gears i 5-1, gears ii 5-2, bases 6, motor bases 7, magnetic powder brakes 8, magnetic powder brake bases 9, and a synchronous servo motor 10; wherein the base 6 is provided with a movable guide rail which is used for installing a bearing support seat I2-1, a bearing support seat II 2-2, a bearing support seat III 2-3, a bearing support seat IV 2-4, a magnetic powder brake base 9 and a motor base 7 (the bearing support seat I2-1, the bearing support seat II 2-2, the bearing support seat III 2-3, the bearing support seat IV 2-4, the magnetic powder brake base 9, the motor base 7 and the corresponding movable guide rail can slide on the corresponding movable guide rail when in a unscrewing state), the motor base 7 is provided with a synchronous servo motor 10, the output end of the synchronous servo motor 10 is connected with one end of the bearing support seat II 2-2 through a first coupler 3, the other end of the bearing support seat II 2-2 is connected with one end of an input shaft 4-1 through a second coupler 3, the other end of the input shaft 4-1 penetrates through the gear I5-1 and then is connected with one end of the bearing support seat I2-1 through the third coupler 3, a magnetic powder brake 8 is installed on a magnetic powder brake base 9, the magnetic powder brake 8 provides loads, and data acquisition work under different working conditions is completed under the condition of different loads; the magnetic powder brake 8 is connected with one end of a bearing supporting seat III 2-3 through a fourth coupler 3, the other end of the bearing supporting seat III 2-3 is connected with one end of an output shaft 4-2 through a fifth coupler 3, and the other end of the output shaft 4-2 penetrates through a gear II 5-2 and then is connected with one end of a bearing supporting seat IV 2-4 through a sixth coupler 3.
Furthermore, the base 6 and the movable guide rail can be detachably connected, the movable guide rail is detachably connected with the bearing support seat I2-1, the bearing support seat II 2-2, the bearing support seat III 2-3, the bearing support seat IV 2-4, the magnetic powder brake base 9 and the motor base 7, and the motor base 7 is detachably connected with the synchronous servo motor 10.
Further, the detachable connection may be provided as a bolt connection.
Further, the movable guide rail and the base 6 may be made of cast iron.
Further, the synchronous servo motor 10 can be set to adopt the following models: PG 30-10-22-30-95.
Further, the bearing support seat comprises a bearing support outer sleeve, a rolling bearing and a short shaft, wherein the bearing support outer sleeve is made of 45 steel, the inside of the bearing support outer sleeve is hollow and used for loading the rolling bearing, the bearing support outer sleeve is connected through the short shaft to achieve the purpose that the whole bearing support is used as a system, two through holes are formed in the front and the back of the bottom of the connection support outer sleeve, and the connection support outer sleeve is fixed on the movable guide rail through hexagonal bolts to ensure the stability of the whole operation process.
The input shaft and the output shaft are both stepped shafts, and a key groove is formed in each shaft and used for mounting a flat key and is in interference fit with the gear so as to ensure the operation of the gear in the transmission process.
The utility model discloses a working process is:
1. after the operator installs the whole test bed according to the requirements of the assembly drawing, a control instruction is sent to the synchronous servo motor 10 through the servo driver controlled by the computer according to the requirements of experimental working conditions, and the output rotating speed of the motor can be changed through the sent control instruction. The acceleration and deceleration time can be adjusted according to the acceleration requirement. The synchronous servo motor 10 is driven to rotate according to the target rotating speed set by the driver, and then the meshing motion of the gear pair (the gear I5-1 and the gear II) is realized;
2. an experimental operator can adjust the size of the gear backlash between the gear I5-1 and the gear II 5-2 by adjusting the positions of the movable guide rail III 1-3, the movable guide rail IV 1-4, the bearing support seat III 2-3 on the movable guide rail V1-5, the bearing support seat IV 2-4 and the magnetic powder brake base 9. The bearing supporting seat III 2-3, the bearing supporting seat IV 2-4 and the magnetic powder brake base 9 are fixed on a movable guide rail through hexagonal bolts, the movable guide rail is fixed on a cast iron base 6 through the hexagonal bolts, and the movable guide rail is screwed up through hexagonal nuts. In the whole experiment process, the movable guide rails III 1-3, the movable guide rails IV 1-4 and the movable guide rails V1-5 are all fixed on the base 6 all the time, and the positions are not changed due to the change of the working condition of the experimental tooth backlash. The movable guide rails III 1-3, the movable guide rails IV 1-4, the bearing supports III 2-3, the bearing supports IV 2-4 and the magnetic powder brake base 9 on the movable guide rails V1-5 slide in the slide rails on the movable guide rails III 1-3, the movable guide rails IV 1-4 and the movable guide rails V1-5 according to different tooth backlash requirements, so that the tooth backlash between the gear I5-1 and the gear II 5-2 is adjusted. When the sliding guide rail slides to the target tooth backlash, the bearing supporting seat III 2-3, the bearing supporting seat IV 2-4 and the magnetic powder brake base 9 are fixed on the moving guide rail III 1-3, the moving guide rail IV 1-4 and the moving guide rail V1-5 through the hexagonal bolts. Thereby achieving the purpose of finishing the adjustment position of the gear pair meshing gear backlash. According to different requirements of experiments, the change of different tooth backlash working conditions can be realized by adjusting the bearing support seats III 2-3, the bearing support seats IV 2-4 and the magnetic powder brake base 9 to slide in the slide rail on the movable guide rail;
3. the three-phase power supply of the synchronous servo motor 10 is supplied by a servo driver and is controlled by a controller matched with the servo motor, so that the servo driver and the controller are internally provided with the running state parameters of the synchronous servo motor 10. The computer can establish communication with the servo driver by using an RS485 protocol communication mode, and the control parameters of the servo driver and the current signal, the rotating speed signal and the torque signal parameters of the synchronous servo motor 10 are read. After the gear pair is adjusted to the target tooth backlash according to the experimental requirements, the synchronous servo motor 10 is controlled by the computer and the synchronous servo motor 10 drives the gear pair to run in a meshing way, and at the moment, the control parameters of the servo driver and the current signal, the rotating speed signal and the torque signal parameters of the synchronous servo motor 10 are read. After the reading of the operating parameters of the synchronous servo motor 10 is finished, the working condition experiment of a group of backlash is completed. And then adjusting the bearing supporting seat III 2-3, the bearing supporting seat IV 2-4 and the magnetic powder brake base 9 again to slide on the movable guide rail to change the tooth backlash, and reading another group of experimental data. The experimental data under different tooth backlash working conditions can be collected by repeating the steps;
4. then analyzing the collected signals through analysis software on a computer, comparing the changes of current signals, rotating speed signals and torque signal parameters before and after the operation of different tooth backlash of the test bed, and analyzing the influence of the mechanical property of the gear pair on the gear transmission system under different tooth backlash working conditions (the gear transmission system is a gear pair and related parts of a supporting gear pair);
5. according to the analysis result, an experimental analysis report can be written, the analysis result shows the working state of the system under different tooth gaps, and the influence of the different tooth gaps on the running state of the system can be obtained;
6. the test bed can simulate different tooth backlash working conditions, collect current signals, rotating speed signals and torque signals under different tooth backlash working conditions, and compare the signals under different tooth backlash conditions, so that the influence of the tooth backlash on a gear transmission system is analyzed.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a gear becomes tooth backlash motion test bench which characterized in that: the synchronous servo motor comprises a plurality of movable guide rails, a bearing support seat I (2-1), a bearing support seat II (2-2), a bearing support seat III (2-3), a bearing support seat IV (2-4), a plurality of couplers (3), an input shaft (4-1), an output shaft (4-2), a gear I (5-1), a gear II (5-2), a base (6), a motor base (7), a magnetic powder brake (8), a magnetic powder brake base (9) and a synchronous servo motor (10); wherein the base (6) is provided with a movable guide rail which is used for installing a bearing support seat I (2-1), a bearing support seat II (2-2), a bearing support seat III (2-3), a bearing support seat IV (2-4), a magnetic powder brake base (9) and a motor base (7), the motor base (7) is provided with a synchronous servo motor (10), the output end of the synchronous servo motor (10) is connected with one end of the bearing support seat II (2-2) through a first coupler (3), the other end of the bearing support seat II (2-2) is connected with one end of an input shaft (4-1) through a second coupler (3), the other end of the input shaft (4-1) passes through a gear I (5-1) and then is connected with one end of the bearing support seat I (2-1) through a third coupler (3), a magnetic powder brake (8) is installed on a magnetic powder brake base (9), the magnetic powder brake (8) is connected with one end of a bearing supporting seat III (2-3) through a fourth coupler (3), the other end of the bearing supporting seat III (2-3) is connected with one end of an output shaft (4-2) through a fifth coupler (3), and the other end of the output shaft (4-2) penetrates through a gear II (5-2) and then is connected with one end of a bearing supporting seat IV (2-4) through a sixth coupler (3).
2. The gear variable tooth backlash motion test bed according to claim 1, wherein: the base (6) is detachably connected with the movable guide rail, the movable guide rail is detachably connected with the bearing support I (2-1), the bearing support II (2-2), the bearing support III (2-3), the bearing support IV (2-4), the magnetic powder brake base (9) and the motor base (7), and the motor base (7) is detachably connected with the synchronous servo motor (10).
3. The gear variable tooth backlash motion test bed according to claim 2, wherein: the detachable connection is a bolt connection.
4. The gear variable tooth backlash motion test bed according to claim 1, wherein: the movable guide rail and the base (6) are made of cast iron.
5. The gear variable tooth backlash motion test bed according to claim 1, wherein: the synchronous servo motor (10) adopts the following models: PG 30-10-22-30-95.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020837258.8U CN212110572U (en) | 2020-05-19 | 2020-05-19 | Gear variable tooth backlash motion test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020837258.8U CN212110572U (en) | 2020-05-19 | 2020-05-19 | Gear variable tooth backlash motion test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212110572U true CN212110572U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020837258.8U Expired - Fee Related CN212110572U (en) | 2020-05-19 | 2020-05-19 | Gear variable tooth backlash motion test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212110572U (en) |
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2020
- 2020-05-19 CN CN202020837258.8U patent/CN212110572U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 Termination date: 20210519 |