CN202903476U - Shafting fault simulation experiment system - Google Patents
Shafting fault simulation experiment system Download PDFInfo
- Publication number
- CN202903476U CN202903476U CN 201220658960 CN201220658960U CN202903476U CN 202903476 U CN202903476 U CN 202903476U CN 201220658960 CN201220658960 CN 201220658960 CN 201220658960 U CN201220658960 U CN 201220658960U CN 202903476 U CN202903476 U CN 202903476U
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- China
- Prior art keywords
- axle
- bearing
- installing plate
- base
- shafting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a shafting fault simulation experiment system. The system at least comprises a pedestal and a shafting installation plate arranged on the pedestal. The shafting installation plate is provided with a rotating shaft. The two ends of the rotating shaft are provided with a bearing A and a bearing B. The bearing A and the bearing B are respectively installed on the shafting installation plate through a bearing installation seat A and a bearing installation seat B. The shafting installation plate is provided with a shafting balance positioning pin used for positioning with the pedestal and fastening screws used for fixedly connected with the pedestal. Holes for the fastening screws to pass through on the shafting installation plate are arc holes. The rotating shaft is also provided with a rotating disc and a radial loading device. By virtue of independently or simultaneously adjusting the relative positions of the shafting installation plate and the pedestal, changing the weight and the position of a load on the rotating disc, and adjusting the offset of the radial loading device, various fault states of the rotating shaft can be simulated to facilitate related technical personnel with learning and mastering technologies of diagnosis of various faults of shafting.
Description
Technical field
The utility model belongs to mechanical fault analogue technique field, and being specifically related to a kind of axle is fault simulation experiment system.
Background technology
Bearing, gear, coupling shaft malfunction test device are as the exemplary device of rotary machinery fault diagnosis, the Study on Fault that is rotated machinery for the student of related discipline and scientific research personnel provides good experimental subjects, the Faults setting that installs by experiment, fault diagnosis research is carried out in scientific research easily.The axle of prior art is that the fault simulation experimental provision generally directly is connected motor by shaft coupling with the fault rotating shaft, like this after the many experiments operation, shaft coupling, transmission shaft and the motor that is connected with the fault rotating shaft is all easily impaired, be unfavorable for obtaining of experimental data, also reduced the serviceable life of experimental provision integral body.In addition, the device of the fault simulations such as existing unbalanced shaft, Shaft misalignment experiment all is independently, a plurality of defective FRUs generally can not be set simultaneously test simultaneously.
The utility model content
The purpose of this utility model is: for the deficiency that prior art exists, provide a kind of rational in infrastructure, the axle that a plurality of defective FRUs carry out simulated experiment can be set simultaneously is fault simulation experiment system.
For realizing the purpose of the utility model, be achieved by the following technical solutions: a kind of axle is fault simulation experiment system, at least include base, the axle that is arranged on the base is installing plate, axle is that installing plate is provided with a turning axle, rotating shaft terminal is connected with bearing A and bearing B, and it is on the installing plate that bearing A and bearing B are installed in axle by bearing mounting base A and bearing mounting base B respectively; Axle be installing plate be provided with in order to the shafting balancing register pin of base location, and the trip bolt in order to be fixedly connected with base, and axle is that the hole of passing for trip bolt on the installing plate is circular hole, each circular hole is distributed on the same circular arc; On described turning axle, also be provided with at least one and can add loaded rotating circular disk and at least one radial loaded device.
As preferred version: described turning axle one end is coaxially connected with a transmission shaft by shaft coupling, and transmission shaft is installed on the base by transmission shaft support; The transmission shaft other end is connected with motor-driven on being installed in base by driving-belt.
As preferred version: be provided with sensor at described bearing mounting base A or bearing mounting base B or radial loaded device, sensor is connected with the signal acquiring system signal input part, and the signal acquiring system signal output part is connected with computing machine.
As preferred version: described axle is that the circular hole on the installing plate is provided with two, be positioned on the installing plate side away from transmission shaft, and the center of circle of circular hole is positioned on the axis of turning axle.
As preferred version: described base head bearing mount pad A both sides also are provided with to regulate the shaft position regulating part of turning axle position, and axle is that corresponding position is provided with the locating piece that cooperates with the shaft position regulating part on the installing plate; Described base is provided with to measure the dial gauge that axle is the installing plate position, and the adjacent shaft position regulating part of dial gauge arranges, and the measuring sonde of dial gauge and axle are that the installing plate side offsets.
Compared with prior art, the beneficial effects of the utility model are: because turning axle is by shaft coupling connection for transmission axle, transmission shaft is connected with motor by driving-belt again, like this, when turning axle and bearing A, bearing B etc. partly being carried out the fault simulation experiment, the mechanical vibration that failed part causes can not be directly conducted to motor motor is exerted an influence, and have prolonged generally the serviceable life of experimental system for simulating integral body.On the other hand, can be by adjusting individually or simultaneously the relative position that axle is installing plate and support, load weight and position on the increase and decrease rotating circular disk, regulate the side-play amount of radial loaded device, with these various malfunctions of simulating turning axle, being beneficial to person skilled learning and mastering axle is the diagnostic techniques of various faults.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the workflow diagram of fault diagnosis software.
1, base; 2, motor mount; 3, motor; 5, driving-belt; 6, driving pulley; 7, shaft coupling; 12, shaft position regulating part; 13, axle is installing plate; 131, locating piece; 132, circular hole; 14, shafting balancing register pin; 15, bearing A; 16, trip bolt; 17, bearing mounting base A; 171, sensor; 18, dial gauge; 19, radial loaded device; 20, rotating circular disk; 21, turning axle; 22, bearing B; 23, bearing mounting base B; 24, transmission shaft; 25, transmission shaft support; 26, driven pulley.
Embodiment
The below makes a detailed explanation embodiment of the present utility model with reference to the accompanying drawings.
According to Fig. 1 to a kind of axle shown in Figure 2 be fault simulation experiment system, at least include base 1, the axle that is arranged on the base 1 is installing plate 13, axle is that installing plate 13 is provided with a turning axle 21, turning axle 21 two ends are connected with bearing A15 and bearing B22, and it is on the installing plate 13 that bearing A15 and bearing B22 are installed in axle by bearing mounting base A17 and bearing mounting base B23 respectively; Axle be installing plate 13 be provided with in order to the shafting balancing register pin 14 of base 1 location, and the trip bolt 16 in order to be fixedly connected with base 1, and axle is that the hole of passing for trip bolt 16 on the installing plate 13 is circular hole 132, and each circular hole 132 is distributed on the same circular arc; On described turning axle 21, also be provided with at least one and can add loaded rotating circular disk 20 and at least one radial loaded device 19.
Described turning axle 21 1 ends are coaxially connected with a transmission shaft 24 by shaft coupling 7, and transmission shaft 24 is installed on the base 1 by transmission shaft support 25; Transmission shaft 24 other ends are in transmission connection by driving-belt 5 and the motor 3 that is installed on the base 1.The output shaft of motor 3 is provided with driving pulley 6, and transmission shaft 24 is provided with driven pulley 26 and is connected with driving-belt.
Be provided with sensor 171 at described bearing mounting base A17 or bearing mounting base B23 or radial loaded device 19, sensor 171 is connected with the signal acquiring system signal input part, and the signal acquiring system signal output part is connected with computing machine.Sensor 171 is acceleration transducer, the signal that sensor 171 records is delivered to computing machine after signal acquiring system is processed, signals collecting software on the computing machine is preserved the data of obtaining and is shown, fault diagnosis software on the computing machine is obtained after the data the diagnosing malfunction analysis, finally confirms Trouble cause.The workflow of described fault diagnosis software as shown in Figure 3.
Described axle is that the circular hole 132 on the installing plate 13 is provided with two, be positioned on the installing plate 13 side away from transmission shaft 24, and the center of circle of circular hole 132 is positioned on the axis of turning axle 21.
Described base 1 head bearing mount pad A17 both sides also are provided with to regulate the shaft position regulating part 12 of turning axle 21 positions, and axle is that corresponding position is provided with the locating piece 131 that cooperates with shaft position regulating part 12 on the installing plate 13; Described base 1 is provided with to measure the dial gauge 18 that axle is installing plate 13 positions, and dial gauge 18 adjacent shaft position regulating parts 12 arrange, and the measuring sonde of dial gauge 18 and axle are that installing plate 13 sides offset.
When the adjustment axle is the relative position of installing plate 13 and base 1, need extract first shafting balancing register pin 14, unclamp trip bolt 16, be that installing plate 13 moves by the bolt part impeller-hub on the regulating shaft position adjustments part 12, observe regulated quantity by dial gauge 18, screw trip bolt 16 after finishing and get final product.
When testing, confirm first whether driving-belt 5 and driving pulley 6, driven pulley 26 connect, if driving-belt 5 overtensions or too small, then unclamp the screw at motor mount 2 bar holes 202 places, the set screw 403 of regulating electric machine position adjustments part 4, to adjust belt tension (press...withing one's finger the degree about 10mm of approximately avaling), the screw that then screws bar hole 202 places is completely fixed motor mount 2 and base 1.
Then connect motor 3 power supplys, adjust motor 3 to the rotating speed of needs, confirm each bearing, turning axle 21 equal normal operations after, disconnection motor 3 power supplys.
Malfunction test includes following several:
One, increases load at rotating circular disk 20, produce the unbalanced shaft defective and carry out the fault simulation experiment.
Two, unclamp shafting balancing register pin 14 and trip bolt 16, adjusting axle by shaft position regulating part 12 is to produce skew between installing plate 13 and the base 1, observes side-play amount by dial gauge 18, behind the locking trip bolt 16, can simulate turning axle 21 and misalign fault.
Three, the adjusting screw(rod) spare of adjustment radial loaded device 19 makes bearing produce the radial displacement of vertical direction, can simulate the fault that turning axle 21 misaligns, and this kind failure condition can be planted the Shaft misalignment fault with " two " and be simulated.
Four, transfer the screw of degree of tightness solid screw 16, bearing mounting base A17 or bearing mounting base B23 etc. to simulate the bad state of each base part installation.
Five, adjust the rotating speed of motor 3, simulate the fault signature of above-mentioned various failure condition under the friction speed condition.
The vibration signal that sensor 171 produces when recording turning axle 21 or bearing A15 running, after processing, signal acquiring system delivers to computing machine, signals collecting software on the computing machine is preserved the data of obtaining and is shown, fault diagnosis software on the computing machine is obtained after the data the diagnosing malfunction analysis, finally confirms Trouble cause.
Be but that installing plate 13 etc. does not produce yet sensor installation of the position that rotatablely moves at described base 1, motor mount 2, axle, can be in order to contrast the measured fault data information in other position.
Above-described embodiment only is preferably embodiment of this patent, and the structure that all employing the technical program are described, feature and the variation on its spiritual principle, modification all belong to the protection domain of this patent.
Claims (5)
1. an axle is fault simulation experiment system, it is characterized in that: include at least base, the axle that is arranged on the base is installing plate, axle is that installing plate is provided with a turning axle, rotating shaft terminal is connected with bearing A and bearing B, and it is on the installing plate that bearing A and bearing B are installed in axle by bearing mounting base A and bearing mounting base B respectively; Axle be installing plate be provided with in order to the shafting balancing register pin of base location, and the trip bolt in order to be fixedly connected with base, and axle is that the hole of passing for trip bolt on the installing plate is circular hole, each circular hole is distributed on the same circular arc; On described turning axle, also be provided with at least one and can add loaded rotating circular disk and at least one radial loaded device.
2. a kind of axle according to claim 1 is fault simulation experiment system, it is characterized in that: described turning axle one end is coaxially connected with a transmission shaft by shaft coupling, and transmission shaft is installed on the base by transmission shaft support; The transmission shaft other end is connected with motor-driven on being installed in base by driving-belt.
3. a kind of axle according to claim 1 is fault simulation experiment system, it is characterized in that: be provided with sensor at described bearing mounting base A or bearing mounting base B or radial loaded device, sensor is connected with the signal acquiring system signal input part, and the signal acquiring system signal output part is connected with computing machine.
4. a kind of axle according to claim 1 is fault simulation experiment system, it is characterized in that: described axle is that the circular hole on the installing plate is provided with two, be positioned on the installing plate side away from transmission shaft, and the center of circle of circular hole is positioned on the axis of turning axle.
5. a kind of axle according to claim 1 is fault simulation experiment system, it is characterized in that: described base head bearing mount pad A both sides also are provided with to regulate the shaft position regulating part of turning axle position, and axle is that corresponding position is provided with the locating piece that cooperates with the shaft position regulating part on the installing plate; Described base is provided with to measure the dial gauge that axle is the installing plate position, and the adjacent shaft position regulating part of dial gauge arranges, and the measuring sonde of dial gauge and axle are that the installing plate side offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220658960 CN202903476U (en) | 2012-12-03 | 2012-12-03 | Shafting fault simulation experiment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220658960 CN202903476U (en) | 2012-12-03 | 2012-12-03 | Shafting fault simulation experiment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903476U true CN202903476U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220658960 Expired - Fee Related CN202903476U (en) | 2012-12-03 | 2012-12-03 | Shafting fault simulation experiment system |
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| Country | Link |
|---|---|
| CN (1) | CN202903476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292995A (en) * | 2013-05-28 | 2013-09-11 | 常州大学 | rolling bearing detection and fault diagnosis device and method |
| CN103884501A (en) * | 2014-04-04 | 2014-06-25 | 华北电力大学（保定） | Multifunctional rotor test bench |
-
2012
- 2012-12-03 CN CN 201220658960 patent/CN202903476U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292995A (en) * | 2013-05-28 | 2013-09-11 | 常州大学 | rolling bearing detection and fault diagnosis device and method |
| CN103292995B (en) * | 2013-05-28 | 2015-07-01 | 常州大学 | Rolling bearing detection and fault diagnosis device and method |
| CN103884501A (en) * | 2014-04-04 | 2014-06-25 | 华北电力大学（保定） | Multifunctional rotor test bench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20181203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |