CN101788391B - Fatigue and vibration experiment module - Google Patents
Fatigue and vibration experiment module Download PDFInfo
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- CN101788391B CN101788391B CN201010123895XA CN201010123895A CN101788391B CN 101788391 B CN101788391 B CN 101788391B CN 201010123895X A CN201010123895X A CN 201010123895XA CN 201010123895 A CN201010123895 A CN 201010123895A CN 101788391 B CN101788391 B CN 101788391B
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Abstract
The invention provides a fatigue and vibration experiment module, which comprises two vibration units, a fatigue unit and a bearing platform; the two vibration units are arranged on the bearing platform in a sliding way; and the fatigue unit is fixedly arranged on the bearing platform and is positioned between the two vibration units. The fatigue and vibration experiment module fulfils the aim that one module has vibration experiment function and fatigue experiment function, and also has the characteristics of low building and investment cost and small occupied area.
Description
Technical field
The present invention relates to the rolling stock technical field, relate in particular to a kind of fatigue and vibration experiment module.
Background technology
Along with the fast development of China Railway Freight " heavy duty and quick transportation ", the load-carrying and the overall trip speed of rolling stock improve constantly, and the circuit operating condition is to the rolling stock demands for higher performance.For improving the rolling stock design level, guarantee the safety of rolling stock operation, the failtests in " heavy duty, quick " rolling stock research and development is very important.Wherein, the fatigue experiment of rolling stock parts and vibration experiment all are main composition parts of automobile reliability experiment.
In the prior art, because fatigue experiment and vibration experiment are to be accomplished by independent fatigue experiment platform and vibration experiment table, therefore, it is higher to exist two experiment table Installed capital cost, the defective that floor area is bigger.And present vibration experiment table can only experimentize to two-axle bogie, and three-axle bogie is then felt simply helpless.
Summary of the invention
The present invention provides a kind of fatigue and vibration experiment module; In order to solve in the prior art because fatigue experiment and vibration experiment are to be accomplished by independent fatigue experiment platform and vibration experiment table; Therefore the defective that exists two the experiment table Installed capital cost is higher, floor area is bigger; To realize an adopting module both can carry out vibration experiment, can carry out the purpose of fatigue experiment again, have the low and little characteristics of floor area of Installed capital cost simultaneously.
The present invention provides a kind of fatigue and vibration experiment module, it is characterized in that, comprises two vibration units, a tired unit and a support platform;
Two said vibration units are slidedly arranged on the said support platform;
Said tired unit is fixedly set on the said support platform, and between two said vibration units;
Wherein, said vibration unit comprises a vibration crossbeam, first a horizontal actuator structure and two first vertical actuator;
One end of the said first vertical actuator is articulated in the bottom of said vibration crossbeam, and the other end is articulated in first bearing, and said first bearing is slidedly arranged on the said support platform;
The said first horizontal actuator structure is axially perpendicular with the basis seat; The said first horizontal actuator structure comprises first horizontal actuator and the head rod; One end of said head rod is articulated in an end of the said first horizontal actuator; The other end of said head rod is articulated in the sidepiece of said vibration crossbeam; And the other end of the said first horizontal actuator is fixedly set on second bearing, and said second bearing is fixedly set on the sidewall of said basis seat, and said basis seat is placed whole fatigue and vibration experiment module;
Wherein, said tired unit comprises a simulation bolster, one second horizontal actuator structure, two second vertical actuator and two vertical actuator structures;
One end of the said second vertical actuator is articulated in the bottom of said simulation bolster, and the other end is articulated in the 3rd bearing, and said the 3rd bearing is fixedly set on the said support platform;
The said second horizontal actuator structure is axially perpendicular with the basis seat; The said second horizontal actuator structure comprises the second horizontal actuator and second connecting link; One end of said second connecting link is articulated in an end of the said second horizontal actuator; The other end of said second connecting link is articulated in the sidepiece of said simulation bolster; And the other end of the said second horizontal actuator is fixedly set on the 4th bearing, and said the 4th bearing is fixedly set on the sidewall of said basis seat, and said basis seat is placed whole fatigue and vibration experiment module;
Axially paralleling of said vertical actuator structure and said basis seat; Said vertical actuator structure comprises vertical actuator and the 3rd connecting link; One end of said the 3rd connecting link is articulated in an end of said vertical actuator, and the other end of said the 3rd connecting link is articulated in the sidepiece of said simulation bolster, and the other end of said vertical actuator is connected on the fixed support; Said fixed support is vertically installed on the said support platform, and is distributed in the both sides of said fatigue and vibration experiment module.
The top of said vibration crossbeam is provided with the adjustment track, and the track space of said adjustment track is adjusted according to the wheel spacing.
Said vibration unit also comprises four rocking bars that axially parallel with the basis seat; One end of four said rocking bars is articulated in the sidepiece of said vibration crossbeam respectively; The other end of each said rocking bar is articulated on the fixed support respectively; Said fixed support is vertically installed on the said support platform, and is distributed in the both sides of said fatigue and vibration experiment module.
The top of said simulation bolster is provided with a center bearing and two bottom side bearings, and two said bottom side bearings are slidedly arranged on the top of said simulation bolster, and is positioned at the both sides of said center bearing.
Further; Said tired unit also comprises four air spring supporters; Four said air spring supporters are distributed in the both sides of said simulation bolster symmetrically; And an end of each said air spring supporter is articulated on the said simulation bolster, and the other end is fixedly set on the said support platform.
Fatigue of the present invention and vibration experiment module; Through two vibration units be slidedly arranged on the support platform, tired unit is fixedly set on the support platform and the structure between two vibration units; Solved in the prior art because fatigue experiment and vibration experiment are to be accomplished by independent fatigue experiment platform and vibration experiment table; Therefore the defective that exists two the experiment table Installed capital cost is higher, floor area is bigger; Realized that a module has the purpose of vibration experiment function and fatigue experiment function concurrently, simultaneously should fatigue and vibration experiment module also have Installed capital cost low with floor area little characteristics.
Description of drawings
In order to be illustrated more clearly in the present invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention's fatigue with vibration experiment module;
Fig. 2 is the vibration unit structural representation in the present invention's fatigue and the vibration experiment module;
Fig. 3 is the tired cellular construction synoptic diagram in the present invention's fatigue and the vibration experiment module.
Embodiment
For making the object of the invention, technical scheme and advantage clearer; To combine below among the present invention accompanying drawing, to the technical scheme among the present invention carry out clear, intactly describe, obviously; Described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fatigue of the present invention and vibration experiment module can carry out tired vibration experiment to two-axle bogie, the three-axle bogie of rolling stock, or when the car body fatigue experiment, can carry out vertical, horizontal and vertically loading to tested car body one end simultaneously.
Fig. 1 is the structural representation of the present invention's fatigue with vibration experiment module.As shown in Figure 1, be specially one and tired be arranged at a support platform 101 with vibration module and this support platform 101 is fixed in the synoptic diagram on the seat of basis.
In conjunction with Fig. 2 is shown in the vibration unit structural representation in the present invention's fatigue and the vibration experiment module, and combines Fig. 3 for shown in the tired cellular construction synoptic diagram in the present invention's fatigue and the vibration experiment module.The fatigue of present embodiment and vibration experiment module comprise two vibration units and a tired unit, and support platform 101 is provided with fixed support 106, and this fixed support 106 is perpendicular to support platform 101, and are distributed in the both sides of two vibration units; Wherein,
For the purpose of clear signal, Fig. 2 only illustrates the tired vibration unit with vibration module of present embodiment, and tired unit is removed earlier with vibration module from tired.Vibration unit comprises vibration crossbeam 103, one first a horizontal actuator structure 104 and two first vertical actuator 105; Wherein,
The top of this vibration crossbeam 103 is provided with adjustment track 107; One end of each first vertical actuator 105 is articulated in the bottom of vibration crossbeam 103; And the other end is articulated in first bearing 108, and first bearing 108 is slidedly arranged on the support platform 101, moreover; The upper surface of support platform 101 axially is provided with T-slot, and lower surface is provided with bolt hole;
This first horizontal actuator structure 104 is axially perpendicular with basis seat 112; And the first horizontal actuator structure 104 comprises the first horizontal actuator 109 and head rod 110; Wherein, One end of this head rod 110 is articulated in an end of the first horizontal actuator 109, and the other end of head rod 110 is articulated in the sidepiece of vibration crossbeam 103, and the other end of this first horizontal actuator 109 is fixedly set on second bearing 111; Second bearing 111 is fixedly set in basic 112 the sidewall that is used to place whole fatigue and vibration experiment module, and 111 pairs first horizontal actuator 109 of second bearing play the effect of supporting.
Further; The vibration unit of present embodiment also comprises four rocking bars 113 that axially parallel with basis seat 112; So that vibration crossbeam 103 is played the effect of supporting, and an end of each rocking bar 113 is articulated in the sidepiece of vibration crossbeam 103, and the other end is articulated on the fixed support 106.
Because tired unit is between two vibration units, for the purpose of clear signal, in Fig. 3, and two vibration units are removed earlier with vibration module from the fatigue of integral body, only illustrate the tired unit of the tired and vibration module of present embodiment.Particularly, tired unit comprises a simulation bolster 114, one second horizontal actuator structure 115, two second vertical actuator 116 and two vertical actuator structures 117, wherein,
The top of simulation bolster 114 is provided with a center bearing 118 and two bottom side bearings, 119, two bottom side bearings 119 are slidedly arranged on the top of simulating bolster 114, and two these bottom side bearings 119 are positioned at the both sides of this center bearing 118; One end of each second vertical actuator 116 is articulated in the bottom of simulation bolster 114, and the other end is articulated in the 3rd bearing 120, and the 3rd bearing 120 is fixedly set on the support platform 101;
This second horizontal actuator structure 115 is axially perpendicular with basis seat 112; And the second horizontal actuator structure 115 comprises the second vertical actuator 121 and second connecting link 122; Wherein, One end of this second connecting link 122 is articulated in an end of the second horizontal actuator 121; The other end of this second connecting link 122 is articulated in the sidepiece of simulation bolster 114, and the other end of this second horizontal actuator 121 is fixedly set on the 4th bearing 123, and the 4th bearing 123 is fixedly set on the sidewall on basis 112;
Each vertical actuator structure 117 axially parallels with basis seat 112; And each vertical actuator structure 117 comprises vertical actuator 124 and the 3rd connecting link 125; One end of the 3rd connecting link 125 is articulated in an end of vertical actuator 124; And the other end of the 3rd connecting link 125 is articulated in the sidepiece of simulation bolster 114, and vertically the other end of actuator 124 is connected on the fixed support 106.
Further; The tired unit of present embodiment also comprises four air spring supporters 126; Four air spring supporters 126 are distributed in the both sides of simulation bolster 114 symmetrically; Particularly, wherein two air spring supporters 126 can with two vertical actuator structure 117 homonymies, two other air spring supporter 126 is arranged at the symmetrical side of simulation bolster 114; And an end of each air spring supporter 126 is articulated on the simulation bolster 114, and the other end is fixedly set on the support platform 101.
In practical application, utilize the fatigue of present embodiment and vibration experiment module to be to the process that single two-axle bogie carries out vibration experiment:
According to the inflexible wheel base of two-axle bogie, through first bearing 108 being slided on support platform 101 and fixing, to adjust the distance between the two said vibration units; Simultaneously; Wheel spacing according to this two-axle bogie; Track space to adjustment track 107 is adjusted, and can this two-axle bogie be contacted with adjustment track 107 through the two groups of wheels in front and back, and be positioned on the fatigue and vibration experiment module of the good each item spacing of adjusted; At this moment; The first horizontal actuator structure 104 first included horizontal actuator 109 begin excitings; And through head rod 110 be delivered to the vibration crossbeam 103 on; The first vertical actuator 105 also begins exciting simultaneously, and drives 103 vibrations of vibration crossbeam, thereby this two-axle bogie is carried out vibration experiment.
Further; If utilize two fatigues and vibration experiment module; Also can carry out vibration experiment to tested car load with two-axle bogie, and the distance between two fatigue and the vibration experiment module, can adjust according to the length between truck centers of tested car load with two-axle bogie.
When tested car body carries out fatigue experiment, fatigue of the present invention and vibration experiment module can be simultaneously to tested car body carry out vertical, laterally and longitudinally load, the tested car body here is the tested vehicle of no bogie.And in the present embodiment,, support two body center plates of tested car body respectively, so that tested car body is carried out fatigue experiment through the center bearing of tired unit in two fatigues and the vibration experiment module.Detailed process is:
According to the length between truck centers of tested car body, adjust the distance between two fatigues and the vibration experiment module, i.e. distance between the two tired unit; Simultaneously; According to tested car body body side bearer spacing, the distance on the adjustment simulation bolster 114 between two bottom side bearings 119, afterwards; Can be with tested car body through center bearing 118 mode that match of its body center plate with simulation bolster 114, and be positioned on the fatigue and vibration experiment module of the good spacing of adjusted; At this moment; Be delivered on the simulation bolster 114 by the included second horizontal actuator 121 beginning excitings of the second horizontal actuator structure 115 and through second connecting link 122; Vertically the exciting of actuator structure 117 included vertical actuator 124 is delivered on the simulation bolster 114 through the 3rd connecting link 125; And the second vertical actuator 116 begins exciting simultaneously and drives 114 vibrations of simulation bolster, thereby this tested car body is carried out fatigue experiment.
Further, utilize the fatigue of present embodiment and vibration experiment module to be to the process that single three-axle bogie carries out vibration experiment:
According to the inflexible wheel base of three-axle bogie and wheel spacing, to adjustment tired and each spacing of vibration experiment module, and place the preceding adjustment process of adjustment track 107 identical with above-mentioned two-axle bogie, repeat no more here.
After tired adjustment with each spacing of vibration experiment module is accomplished; Can the front and rear wheel of three-axle bogie pair be contacted with adjustment track 107; And be positioned on the fatigue and vibration experiment module of the good spacing of adjusted, and can to support the breast wheel of this three-axle bogie right in tired unit; At this moment; For vibration unit; The first horizontal actuator structure 104 first included horizontal actuator 109 begin excitings, and are delivered on the vibration crossbeam 103 through head rod 110, and the first vertical actuator 105 also begins exciting; And drive 103 vibrations of vibration crossbeam, promptly to the front and rear wheel of three-axle bogie to applying vibration; Meanwhile; For tired unit, the second horizontal actuator structure 115 second included horizontal actuator 121 begin excitings, and are delivered on the simulation bolster 114 through second connecting link 122; And the second vertical actuator 116 also begins exciting; And drive 114 vibrations of simulation bolster, with to breast wheel to applying vibration, and then this three-axle bogie is realized vibration experiment; But vertically actuator structure 117 included vertical actuator 124 do not produce exciting in this process, and just play the effect of supporting through 125 pairs of simulation bolster 114 of the 3rd connecting link.
Further; Certainly if utilize two fatigues and vibration experiment module; Also can carry out vibration experiment to tested car load with three-axle bogie, and the distance between two fatigue and the vibration experiment module, can adjust according to this length between truck centers with tested car load of three-axle bogie.
In sum; Also can utilize one or two present embodiment tired with vibration experiment module to other objects apply vertical, laterally and longitudinally load; Particularly, can earlier this object be individually fixed on two vibration units and/or tired unit of each fatigue and vibration experiment module; For vibration unit; The exciting of the first horizontal actuator 109 that can the first horizontal actuator structure 104 is included is delivered on the vibration crossbeam 103 by head rod 110; And the exciting of the first vertical actuator 105 is delivered on the vibration crossbeam 103, this object is applied vibration to utilize vibration unit; Meanwhile; For tired unit; The exciting of the second horizontal actuator 121 that can the second horizontal actuator structure 115 is included is delivered on the simulation bolster 114 by second connecting link 122; The exciting of the second vertical actuator 116 is delivered on the simulation bolster 114, can the exciting of vertical actuator structure 117 included vertical actuator 124 be delivered on the simulation bolster 114 through the 3rd connecting link 125 again, this object is applied vibration to utilize tired unit; Thereby realize this object is applied purpose vertical, horizontal and that vertically load.
The fatigue of present embodiment and vibration experiment module; Through two vibration units be slidedly arranged on the support platform, tired unit is fixedly set on the support platform and the structure between two vibration units; Solved in the prior art because fatigue experiment and vibration experiment are to be accomplished by independent fatigue experiment platform and vibration experiment table; Therefore the defective that exists two the experiment table Installed capital cost is higher, floor area is bigger; Can carry out vibration experiment to two-axle bogie and three-axle bogie respectively; Perhaps tested car body is carried out fatigue experiment, has realized that a module has the purpose of vibration experiment function and fatigue experiment function concurrently, simultaneously should fatigue and vibration experiment module also have Installed capital cost low with floor area little characteristics.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (5)
1. fatigue and vibration experiment module is characterized in that, comprise two vibration units, a tired unit and a support platform;
Two said vibration units are slidedly arranged on the said support platform;
Said tired unit is fixedly set on the said support platform, and between two said vibration units;
Wherein, said vibration unit comprises a vibration crossbeam, first a horizontal actuator structure and two first vertical actuator;
One end of the said first vertical actuator is articulated in the bottom of said vibration crossbeam, and the other end is articulated in first bearing, and said first bearing is slidedly arranged on the said support platform;
The said first horizontal actuator structure is axially perpendicular with the basis seat; The said first horizontal actuator structure comprises first horizontal actuator and the head rod; One end of said head rod is articulated in an end of the said first horizontal actuator; The other end of said head rod is articulated in the sidepiece of said vibration crossbeam; And the other end of the said first horizontal actuator is fixedly set on second bearing, and said second bearing is fixedly set on the sidewall of said basis seat, and said basis seat is placed whole fatigue and vibration experiment module;
Wherein, said tired unit comprises a simulation bolster, second a horizontal actuator structure, two second vertical actuator and two vertical actuator structures;
One end of the said second vertical actuator is articulated in the bottom of said simulation bolster, and the other end is articulated in the 3rd bearing, and said the 3rd bearing is fixedly set on the said support platform;
The said second horizontal actuator structure is axially perpendicular with the basis seat; The said second horizontal actuator structure comprises the second horizontal actuator and second connecting link; One end of said second connecting link is articulated in an end of the said second horizontal actuator; The other end of said second connecting link is articulated in the sidepiece of said simulation bolster; And the other end of the said second horizontal actuator is fixedly set on the 4th bearing, and said the 4th bearing is fixedly set on the sidewall of said basis seat, and said basis seat is placed whole fatigue and vibration experiment module;
Axially paralleling of said vertical actuator structure and said basis seat; Said vertical actuator structure comprises vertical actuator and the 3rd connecting link; One end of said the 3rd connecting link is articulated in an end of said vertical actuator, and the other end of said the 3rd connecting link is articulated in the sidepiece of said simulation bolster, and the other end of said vertical actuator is connected on the fixed support; Said fixed support is vertically installed on the said support platform, and is distributed in the both sides of said fatigue and vibration experiment module.。
2. fatigue according to claim 1 and vibration experiment module is characterized in that the top of said vibration crossbeam is provided with the adjustment track, and the track space of said adjustment track is adjusted according to the wheel spacing.
3. fatigue according to claim 1 and vibration experiment module; It is characterized in that; Said vibration unit comprises also and four rocking bars that axially parallel of said basis seat that one end of four said rocking bars is articulated in the sidepiece of said vibration crossbeam respectively, and the other end of each said rocking bar is articulated on the fixed support respectively; Said fixed support is vertically installed on the said support platform, and is distributed in the both sides of said fatigue and vibration experiment module.
4. fatigue according to claim 1 and vibration experiment module; It is characterized in that; The top of said simulation bolster is provided with a center bearing and two bottom side bearings, and two said bottom side bearings are slidedly arranged on the top of said simulation bolster, and is positioned at the both sides of said center bearing.
5. fatigue according to claim 1 and vibration experiment module; It is characterized in that; Said tired unit also comprises four air spring supporters; Four said air spring supporters are distributed in the both sides of said simulation bolster symmetrically, and an end of each said air spring supporter is articulated on the said simulation bolster, and the other end is fixedly set on the said support platform.
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| CN201010123895XA CN101788391B (en) | 2010-03-11 | 2010-03-11 | Fatigue and vibration experiment module |
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| CN201010123895XA CN101788391B (en) | 2010-03-11 | 2010-03-11 | Fatigue and vibration experiment module |
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| CN101788391B true CN101788391B (en) | 2012-02-08 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102628782B (en) * | 2012-04-17 | 2014-06-18 | 西南交通大学 | Simulation fatigue testing device for suspension motor suspension hanging plate spring of motor |
| CN106769554A (en) * | 2016-11-25 | 2017-05-31 | 中车齐齐哈尔车辆有限公司 | Elastic side bearing fatigue experimental device and method |
| CN107462385B (en) * | 2017-07-28 | 2019-03-22 | 中车南京浦镇车辆有限公司 | Permanent magnet direct driving motor vibration impact experiment method |
| CN108168917B (en) * | 2017-11-10 | 2020-03-31 | 中车唐山机车车辆有限公司 | Loading device and testing system for testing bearing capacity of bogie frame |
| CN108827666A (en) * | 2018-06-27 | 2018-11-16 | 中车眉山车辆有限公司 | A kind of truck bolster for railway wagon fatigue test loading device |
| CN109341998B (en) * | 2018-11-21 | 2021-03-02 | 苏州东菱振动试验仪器有限公司 | Decoupling assembly and synchronous vibration test device |
| CN109720601B (en) * | 2019-01-19 | 2020-08-28 | 北京工业大学 | Multi-axis fatigue test device for full-size structural part of airplane |
| CN110231231B (en) * | 2019-06-28 | 2021-07-09 | 东北大学 | Vibration fatigue test device for axial variable stress ratio of metal material and mounting method thereof |
| CN112098116A (en) * | 2020-08-14 | 2020-12-18 | 西南交通大学 | Maglev train vibration test bed |
| CN112345189A (en) * | 2020-10-26 | 2021-02-09 | 清华大学 | Vibration simulation experiment table and control method thereof |
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|---|---|---|---|---|
| CN101261191A (en) * | 2008-04-23 | 2008-09-10 | 西南交通大学 | Test stand capable of simultaneously measuring railway stock bogie three-way rigidity |
| CN101363773A (en) * | 2008-09-17 | 2009-02-11 | 西南交通大学 | Testing table for fatigue strength of locomotive bogie |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4303865B2 (en) * | 2000-04-12 | 2009-07-29 | 住金関西工業株式会社 | Outer ring rotating device for non-disassembly inspection of railway rolling stock journal bearings |
| JP4179277B2 (en) * | 2004-12-27 | 2008-11-12 | 株式会社日立プラントテクノロジー | Railway vehicle vibration test method and vibration test apparatus |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261191A (en) * | 2008-04-23 | 2008-09-10 | 西南交通大学 | Test stand capable of simultaneously measuring railway stock bogie three-way rigidity |
| CN101363773A (en) * | 2008-09-17 | 2009-02-11 | 西南交通大学 | Testing table for fatigue strength of locomotive bogie |
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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: Qiqihar Railway Rolling Stock Co., Ltd. |
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Granted publication date: 20120208 Termination date: 20180311 |