CN201199195Y - Simulated experiment bench for multi-fault coupling gear case - Google Patents
Simulated experiment bench for multi-fault coupling gear case Download PDFInfo
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- CN201199195Y CN201199195Y CNU2008200284183U CN200820028418U CN201199195Y CN 201199195 Y CN201199195 Y CN 201199195Y CN U2008200284183 U CNU2008200284183 U CN U2008200284183U CN 200820028418 U CN200820028418 U CN 200820028418U CN 201199195 Y CN201199195 Y CN 201199195Y
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Abstract
The utility model discloses a multi-fault coupling gear case simulation experiment table in the field of rotary mechanical vibration monitoring and diagnosis, which can comprehensively, objectively and conveniently simulate a plurality of typical faults of gear equipment, such as eccentricity, pit corrosion, exfoliation, even abrasion of gear surface, fatigue crack of roots, broken gears, and the like; a shift fork switching mechanism is used for shifting the combination and permutation results of the gears and can also continuously observe coupling fault signals of two pairs of gears during operation and the signal change process from normal working to having fault of the gears. In addition, by setting faults on a bearing, bearing faults and the coupling faults between the gears and the bearing can also be simulated, thereby bringing great convenience to researchers in the research and verification process of fault diagnosis methods, shortening the time for applying theories to practice and saving time and effort of the researchers spending in setting up experiments. In addition, the multi-fault coupling gear case simulation experiment table can also be applied to teaching practice for increasing learning and cognition levels.
Description
Technical field
The utility model belongs to overall machine vibration monitoring and diagnostic field, relate to a kind of be used for comprehensive, objective, simulate the multi-fault coupling gear box simulated experiment bench of some typical faults of gear apparatus easily.
Background technology
Toothed gearing is widely used in national economy all departments.The running status of toothed gearing directly affects the benefit of business equipment and personal safety and production.Use scientific methods the running status of toothed gearing is monitored and to judge, thereby understand running quality, prevent that fault from taking place, the equipment control and the economic benefit of enterprise all had significant values.As the pith of mechanical fault diagnosis theory and practice, Gear Fault Diagnosis is subject to people's attention at the very start, and by the research of basic theory and a large amount of practices for many years, people have accumulated many experiences.The research of gear failure diagnosing method is the hot issue in the equipment fault diagnosis especially.Problems such as the scope of application of various method for diagnosing faults, relative merits all need the check by practice.The various faults of device simulation gear by experiment, and then carry out on experimental provision easily that various to test so that diagnostic method is tested targetedly be highly significant.
In these years, the malfunction test research as the gear of the strength member of machine is subject to people's attention day by day.Do not have experimental study if having only theoretical research, the research of problems such as the validity of the various method for diagnosing faults of gear, accuracy, relative merits just can not be based upon on the solid scientific basic so.The used gear box test table overwhelming majority of R﹠D institution is mechanical output enclosed type or electric power enclosed type operating type gear testing table at present, be mainly used in the generation evolution of a certain fault of observation single (or single to) gear, CL-100 gear testing machine as imitative German FZG, the characteristics of this testing machine be cost low, be convenient to install, be convenient to observe and measure, but be used to observe more gear changing test specimen of different faults, and once experiment can only be observed a kind of fault simultaneously, is not easy to the research of gear failure diagnosing method.
Summary of the invention
The purpose of this utility model provides a kind of speed reduction unit mechanical system of multi-fault coupling gear box simulated experiment bench, this system can simulate some typical faults of gear apparatus all sidedly, objectively, easily and evolution takes place, make things convenient for the scientific research personnel to carry out the Research on Fault Diagnosis Method checking, save the time and efforts that scientific research personnel's cost is used to arrange experiment.
In order to realize above-mentioned task, the technical solution that the utility model adopts is:
A kind of multi-fault coupling gear box simulated experiment bench, comprise: a base, base is provided with motor, and this motor is connected with multiple faults coupling wheel case by first shaft coupling, multiple faults coupling wheel case links to each other with generator by second shaft coupling, it is characterized in that:
Described multiple faults coupling wheel case is provided with oil ga(u)ge, be provided with input splined shaft and output spline in the multiple faults coupling wheel case, between input splined shaft and the output spline transition axis is arranged, input splined shaft, output spline and three axles of transition axis are not at grade; On the input splined shaft first spline gear is installed, second spline gear is installed on the output spline, the dual gear and a triple gear of two gears formations is installed on the transition axis or connects gear more, first spline gear and dual gear engagement, second spline gear and triple gear or connect gearing mesh more, at first spline gear and second spline gear next door first shift fork transposer and the second shift fork transposer are arranged respectively also, be in operation, by first, the second shift fork transposer is stirred dual gear or triple gear or is connected gear more, can the multiple gear distress of continuous analog.
Described input splined shaft is fixed on the casing of multiple faults coupling wheel case by first rolling bearing and first oil baffle disc; Described output spline is fixed on the casing of multiple faults coupling wheel case by second axis of rolling and second oil baffle disc; Transition axis is fixed on the casing of multiple faults coupling wheel case by the 3rd rolling bearing and the 3rd oil baffle disc.
Multi-fault coupling gear box simulated experiment bench of the present utility model can be simulated any gear distress by a whole set of accessory of transition axis in the replacing gear case, can also simulate the various faults of bearing by changing bearing.Above-mentioned dual gear, triple gear or nest are via the shift fork transposer continuous analog various faults that is in operation.
Multi-fault coupling gear box simulated experiment bench of the present utility model, can simulate some typical faults of gear apparatus more all sidedly, objectively, easily, made things convenient for the scientific research personnel to carry out the Research on Fault Diagnosis Method checking, saved the scientific research personnel and spent the time and efforts that is used to arrange experiment.This multi-fault coupling gear box simulated experiment bench can have extensibility by changing any gear distress of a whole set of accessory analog subscriber of transition axis appointment.In addition, the cost of experiment table is low, and profile is small and exquisite attractive in appearance, and the using value height is easy to utilize.
Description of drawings
Fig. 1 is the multi-fault coupling gear box simulated experiment bench structural representation;
Fig. 2 is a multiple faults coupling wheel box structure synoptic diagram;
Fig. 3 a, Fig. 3 b are transition axis gear distress distribution schematic diagrams;
Fig. 4 is a shift fork transposer structural representation.
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment
Referring to Fig. 1, multi-fault coupling gear box simulated experiment bench of the present utility model comprises: a base 6, and base 6 is provided with motor 1, this motor 1 is connected with multiple faults coupling wheel case 3 by first shaft coupling 2, and multiple faults coupling wheel case 3 links to each other with generator 5 by second shaft coupling 4.
Described multiple faults coupling wheel case 3 is provided with oil ga(u)ge 22.Be provided with input splined shaft 21 and output spline 14 in the multiple faults coupling wheel case 3, between input splined shaft 21 and the output spline 14 transition axis 12 arranged, input splined shaft 21, output spline 14 and 12 3 axles of transition axis are not at grade; On the input splined shaft 21 first spline gear 7 is installed, second spline gear 16 is installed on the output spline 14, the dual gear and a triple gear of two gears (9,10) formation is installed on the transition axis 12 or connects gear 18 more, first spline gear 7 and dual gear engagement, second spline gear 16 is with triple gear or connect gear 18 engagements more, at first spline gear 7 and second spline gear, 16 next doors the first shift fork transposer 23 and the second shift fork transposer 15 is arranged respectively also.Be in operation and stir dual gear or triple gear or connect gear more by first, second shift fork transposer, can the multiple gear distress of continuous analog.
Typical simulation project is:
1. Gear Root fatigue crack and broken teeth simulation test;
2. gear spot corrosion and peel off simulation test;
3. gear teeth face wearing and tearing simulation test;
4. the eccentric simulation test of gear.
Be in operation by the shift fork transposer and can observe gear easily: be normal → tooth root fatigue crack → broken teeth; Normally → and spot corrosion → peel off; Normally → tooth surface abrasion; Normally → signal change procedure of faults such as off-centre.Multi-fault coupling gear box simulated experiment bench can also be provided with speed governing load test system and monitoring system, and this speed governing load test system is made up of direct current motor, timing control cabinet, Dyn., field regulator and resistance box commonly used.Monitoring system is made up of vibration acceleration sensor, charge amplifier, data collecting card, computing machine, output device.
Input splined shaft 21, output spline 14 and 12 3 axles of transition axis of being used for multiple faults coupling wheel case are not at grade, behind the case lid of dismounting multiple faults coupling wheel case 3, gear, oil baffle disc, bearing on 3 in multiple faults coupling wheel case is exposed to test operation person's transition axis 12, the test operation person just can simulate various types of gear distresses easily by changing a whole set of accessory of transition axis (as axle, gear, oil baffle disc, bearing), and is with strong points during operation.
When multiple faults coupling wheel case 3 when changing transition axis 12, other two axle stationary states do not change, and change the axial location that does not need to adjust these two axles behind the transition axis, the replacing process is easier.When the dismounting case lid is changed the fault gear of transition axis, only need unload other bolt of bearing on the transition axis and the end cap on the transition axis 12, unloading process is shorter.Otherwise, when the case lid of the multiple faults coupling wheel case 3 that closes, also only need short installation time.Above-mentioned three axles of gear case are in spatial placement, and lateral dimension is little, compact conformation.With input splined shaft (high speed shaft) gear that can cooperate that cogs two (9,10) are arranged on the gear case transition axis, there are three with output spline (slow-speed shaft) gear that can cooperate that cogs, constitute triple gear 18, bigeminy, three or nest via the shift fork transposer continuous analog various faults that is in operation; Combined result by the shifting fork device handsetting gear, can observe the various fault-signals of gear easily: both can observe single fault-signal to gearing mesh, also can observe the fault composite signal of two pairs of gearing mesh, can also observe gear from normally to the out of order signal change procedure.
The simulation gear from normally to the out of order signal change procedure referring to Fig. 3 a, that is: normal → spot corrosion → peel off; Normally → change procedure of faults such as off-centre; Fig. 3 b, that is: normal → tooth root fatigue crack → broken teeth; Normally → tooth surface abrasion.
The shift fork transposer adopts swing type, as shown in Figure 4.Handle 30 is stirred by controls-shifting slide gear 25 slide block 26 by bearing pin 27 and is made axial slip along transmission shaft 24, promptly stir by controls by fork-slide block through Handle axis 29, fork 28, and this mode of operation is simple in structure, application is general.Catanator is located by the steel ball on the handle set, and steel ball is pushed down in spring action and realizes the location in the positioning pit.It is simple in structure, easy to use, easy to manufacture that steel ball is located.Parts such as the gear of a whole set of test unit accessory processing, axle are few, and cost is low, test operation efficient height.
Claims (2)
1. multi-fault coupling gear box simulated experiment bench, comprise: a base (6), base (6) is provided with motor (1), this motor (1) is connected with multiple faults coupling wheel case (3) by first shaft coupling (2), multiple faults coupling wheel case (3) links to each other with generator (5) by second shaft coupling (4), it is characterized in that:
Described multiple faults coupling wheel case (3) is provided with oil ga(u)ge (22), be provided with input splined shaft (21) and output spline (14) in the multiple faults coupling wheel case (3), between input splined shaft (21) and the output spline (14) transition axis (12) is arranged, input splined shaft (21), output spline (14) and (12) three axles of transition axis are not at grade; On the input splined shaft (21) first spline gear (7) is installed, second spline gear (16) is installed on the output spline (14), two gears (9 are installed on the transition axis (12), 10) dual gear of Gou Chenging and a triple gear or connect gear (18) more, first spline gear (7) and dual gear engagement, second spline gear (16) is with triple gear or connect gear (18) engagement more, on first spline gear (7) and second spline gear (16) next door the first shift fork transposer (23) and the second shift fork transposer (15) are arranged respectively also, be in operation by first, the second shift fork transposer is stirred dual gear or triple gear or is connected gear more, can the multiple gear distress of continuous analog.
2. multi-fault coupling gear box simulated experiment bench as claimed in claim 1 is characterized in that, described input splined shaft (21) is fixed on the casing of multiple faults coupling wheel case (3) by first rolling bearing (8) and first oil baffle disc (20); Described output spline (14) is fixed on the casing of multiple faults coupling wheel case (3) by second rolling bearing (13) and second oil baffle disc (17); Transition axis (12) is fixed on the casing of multiple faults coupling wheel case (3) by the 3rd rolling bearing (11) and the 3rd oil baffle disc (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200284183U CN201199195Y (en) | 2008-02-29 | 2008-02-29 | Simulated experiment bench for multi-fault coupling gear case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200284183U CN201199195Y (en) | 2008-02-29 | 2008-02-29 | Simulated experiment bench for multi-fault coupling gear case |
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| CN201199195Y true CN201199195Y (en) | 2009-02-25 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625710B (en) * | 2009-08-03 | 2011-01-05 | 北京工业大学 | Simulation analysis method of vibratory response of variable working condition single-stage heavy gear case containing crackle fault |
| CN102564756A (en) * | 2010-12-31 | 2012-07-11 | 中国科学院沈阳自动化研究所 | Automobile transmission vibration analysis testing method and device |
| CN103837343A (en) * | 2014-03-19 | 2014-06-04 | 中国人民解放军镇江船艇学院 | Ship and boat shafting service life predicating method on the basis of vibration fatigue coupling analysis |
| CN104330254A (en) * | 2014-10-29 | 2015-02-04 | 华北电力大学（保定） | Experiment table for simulating gear combined faults and simulation method |
| CN106679973A (en) * | 2017-01-23 | 2017-05-17 | 西华大学 | Fault simulation experiment box and device thereof |
| CN106959211A (en) * | 2017-03-15 | 2017-07-18 | 清华大学 | The fatigue test device and its method of testing of a kind of gear engagement |
-
2008
- 2008-02-29 CN CNU2008200284183U patent/CN201199195Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625710B (en) * | 2009-08-03 | 2011-01-05 | 北京工业大学 | Simulation analysis method of vibratory response of variable working condition single-stage heavy gear case containing crackle fault |
| CN102564756A (en) * | 2010-12-31 | 2012-07-11 | 中国科学院沈阳自动化研究所 | Automobile transmission vibration analysis testing method and device |
| CN103837343A (en) * | 2014-03-19 | 2014-06-04 | 中国人民解放军镇江船艇学院 | Ship and boat shafting service life predicating method on the basis of vibration fatigue coupling analysis |
| CN103837343B (en) * | 2014-03-19 | 2016-03-02 | 中国人民解放军镇江船艇学院 | Based on the ships and light boats axle system life-span prediction method of vibrating fatigue coupling analysis |
| CN104330254A (en) * | 2014-10-29 | 2015-02-04 | 华北电力大学（保定） | Experiment table for simulating gear combined faults and simulation method |
| CN104330254B (en) * | 2014-10-29 | 2017-03-08 | 华北电力大学（保定） | A kind of laboratory table of simulation gear combination fault and analogy method |
| CN106679973A (en) * | 2017-01-23 | 2017-05-17 | 西华大学 | Fault simulation experiment box and device thereof |
| CN106679973B (en) * | 2017-01-23 | 2019-09-17 | 西华大学 | Fault simulation experimental box and its device |
| CN106959211A (en) * | 2017-03-15 | 2017-07-18 | 清华大学 | The fatigue test device and its method of testing of a kind of gear engagement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080229 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |