CN103558025B - A kind of yielding coupling working condition tests platform - Google Patents
A kind of yielding coupling working condition tests platform Download PDFInfo
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- CN103558025B CN103558025B CN201310523726.9A CN201310523726A CN103558025B CN 103558025 B CN103558025 B CN 103558025B CN 201310523726 A CN201310523726 A CN 201310523726A CN 103558025 B CN103558025 B CN 103558025B
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- 230000008878 coupling Effects 0.000 title claims abstract description 84
- 238000010168 coupling process Methods 0.000 title claims abstract description 84
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 84
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 239000011888 foil Substances 0.000 claims description 8
- 238000004088 simulation Methods 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 7
- 238000011160 research Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a kind of yielding coupling working condition tests platform, including stand, described stand is provided with power source and loadwheel, flexible shaft coupling is connected between described power source and loadwheel, being provided with position-movable structure on described stand, described power source and/or loadwheel are fixed on the removable frame of position.The yielding coupling working condition tests platform that the present invention provides, by the loadwheel being arranged on stand, power source, yielding coupling and position-movable structure, realize the working condition experimenting of yielding coupling, the analysis of quantitative and qualitative, the beneficially Optimal improvements of yielding coupling can be carried out by experimental data.By arranging position-movable structure so that different deviation kinds and different deviation values occur, it is simple to experimentation analysis between axle and the axle of loadwheel of power source；Be conducive to the Optimal improvements of yielding coupling.
Description
Technical field
The invention belongs to experimental technique field, be specifically related to a kind of yielding coupling working condition tests platform.
Background technology
Two axles (driving shaft and driven shaft) that shaft coupling is for connection in different institutions, are allowed to jointly rotate to transmit the machine components of moment of torsion.One end of shaft coupling is connected with driving shaft, and the other end is connected with driven shaft.The centering of two axles connected by shaft coupling is perfect condition, the most there is not the situation of deviation；In practice, all there is certain deviation in two axles coupled by shaft coupling, so giving the deviation value that shaft coupling allows in technical standard, instructs the installation of shaft coupling.
Under the duty that driving shaft and driven shaft have deflection or have relative displacement at work, being typically chosen yielding coupling, utilize the elastic deformation of flexible member to compensate deflection and the displacement of two axles, flexible member also has buffering and damping property simultaneously.Under the actual working state of yielding coupling, the deviation of appearance may have radial missing, axial deviation and tilting tolerance simultaneously.
At present, there is no the deviation research for yielding coupling of the special testing stand, it is primarily now that the service condition according to client feeds back the improvement carrying out coupling product, due to the actually used middle many factors affecting shaft coupling, can not qualitative, determine quantitative analysis, can not constantly obtain the stressing conditions of shaft coupling, so comprehensive and accurate improvement can not be optimized shaft coupling.
Summary of the invention
The present invention is directed to the above-mentioned problems in the prior art, a kind of yielding coupling working condition tests platform is provided, by the loadwheel being arranged on stand, power source, yielding coupling and position-movable structure, realize the working condition experimenting of yielding coupling, the analysis of quantitative and qualitative, the beneficially Optimal improvements of yielding coupling can be carried out by experimental data.
For reaching above-mentioned technical purpose, the present invention realizes by the following technical solutions:
A kind of yielding coupling working condition tests platform, including stand, described stand is provided with power source and loadwheel, flexible shaft coupling is connected between described power source and loadwheel, being provided with position-movable structure on described stand, described power source and/or loadwheel are fixed on the removable frame of position.
Further, described position-movable structure includes adjustment hole, fixed plate, bolt, nut, described adjustment hole is offered on described stand, the internal diameter of described adjustment hole is more than the external diameter of described bolt, described adjustment hole lower end has described fixed plate, offering the through hole matched with described bolt in described fixed plate, described bolt passes described through hole and adjustment hole, and described power source and/or loadwheel is fixed with described nut screw connection.
Further, described yielding coupling be scaled after simulation shaft coupling, including rubber ring and the becket being fixed on the described rubber ring left and right sides, described becket is fixed with axle.
Further, described rubber ring posts foil gauge.
Further, described foil gauge is positioned on the outer circumference surface of described rubber ring.
Further, described power source is fixed by adapter sleeve with described yielding coupling, and described loadwheel is fixed also by adapter sleeve with described yielding coupling.
Further, described loadwheel is connected in load bracket by bearing, and described load bracket is fixed on described stand.
Further, described loadwheel is belt pulley.
Further, described belt pulley having belt, one end of described belt is fixed, and the other end is hung with load.
Further, described stand bottom has crossbeam, and one end of described belt is fixed on described crossbeam.
Further, the other end of described belt is fixed with pallet, and described pallet is placed with counterweight.
Further, described pallet includes sleeve and the annular end face fixing with sleeve ends, described sleeve offers screwed hole, has screw or bolt in described screwed hole, described belt penetrates described pallet, and is fixed by the screw in described screwed hole or bolt.
Further, described power source is joystick.
Further, described joystick is connected on joystick support by bearing, and described joystick support is fixed on the top of described adjustment hole by described screw bolt and nut.
Further, described joystick includes rocker shaft and is positioned at the handle of described rocker shaft end.
Further, described handle is lever handle or rotating disk handle or crank handle.
Further, described power source is motor.
Further, described motor is fixed on disk cover, and described disk cover covers at the bottom of rotating disk, is fixed on the top of described adjustment hole at the bottom of described rotating disk by described screw bolt and nut.
Further, including the bottom of circle and be positioned at the annular side portions above described bottom at the bottom of described rotating disk, described disk cover includes the cap of circle and is positioned at the annular side below described cap, and described annular side portions is positioned at the outside of described annular side.
Further, described annular side portions having screwed hole, have screw in described screwed hole, described screw withstands in described annular side.
The yielding coupling working condition tests platform that the present invention provides, by the loadwheel being arranged on stand, power source, yielding coupling and position-movable structure, realize the working condition experimenting of yielding coupling, the analysis of quantitative and qualitative, the beneficially Optimal improvements of yielding coupling can be carried out by experimental data.By arranging position-movable structure so that different deviation kinds and different deviation values occur, it is simple to experimentation analysis between axle and the axle of loadwheel of power source.
After reading in conjunction with the accompanying the detailed description of the invention of the present invention, the other features and advantages of the invention will become clearer from.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of yielding coupling working condition tests platform proposed by the invention；
Fig. 2 is the plan structure schematic diagram of Fig. 1；
Fig. 3 is the left view structural representation of Fig. 1；
Fig. 4 be in Fig. 1 A to partial enlargement structural representation；
Fig. 5 be Fig. 1 medium power source be the structural representation of motor；
Fig. 6 is the plan structure schematic diagram of Fig. 5.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Refering to Fig. 1-6, being an embodiment of yielding coupling working condition tests platform proposed by the invention, wherein Fig. 1 and Fig. 5 is that the main optical axis is to sectional structure schematic diagram.
Yielding coupling working condition tests platform includes stand 1, has power source 2 and loadwheel 3 at stand 1, connects flexible shaft coupling 4 between power source 2 and loadwheel 3；Being provided with position-movable structure 20 on stand 1, in the present embodiment, power source 2 is fixed on position removable frame 20, shown in Figure 1.
By the loadwheel 3 being arranged on stand 1, power source 2, yielding coupling 4 and position-movable structure 20, it is possible to achieve the working condition experimenting of yielding coupling, and carried out the Optimal improvements of the analysis of quantitative and qualitative, beneficially yielding coupling by experimental data；Moved by the position-movable structure 20 position on stand 1, realize that different deviation kinds and different deviation values occur between the axle of power source 2 and the axle of loadwheel 3 so that the working condition experimenting of yielding coupling can choose different parameter research experiment.
The deviation kind of yielding coupling has axial deviation, radial missing and tilting tolerance；Radial missing is exactly that the axle of power source 2 is parallel to each other with the axle of loadwheel 3, but the most concentric；Axial deviation be exactly the axle of power source 2 be coaxial with the axle of loadwheel 3, but distance separated by a distance has deviation.Tilting tolerance is exactly that the axle of power source 2 is the most concentric with the axle of loadwheel 3, and has a certain degree mutually.In yielding coupling real work, it may be possible to there are two kinds or three kinds of deviations simultaneously；In an experiment, various deviations are studied by respectively, and different deviation values is on the stress distribution on yielding coupling and the impact of tired situation.
In other embodiments, it is also possible to loadwheel 3 is fixed on position removable frame 20, or power source 2 and loadwheel 3 are separately fixed in two position-movable structures 20.
On yielding coupling working condition tests platform in the present embodiment, it is possible to use actual yielding coupling, but when the yielding coupling size of reality is bigger, the size of bulk testing platform is the hugest.So we can test after scaled for larger-size yielding coupling, the yielding coupling 4 stress distribution when deviation occurs and tired situation is mainly studied due to us, thus the structure of yielding coupling can also be simplified, such as axle 43 and the becket 42 being positioned at rubber ring 41 both sides are made of one, shown in Figure 1.
In the present embodiment, position-movable structure 20 includes adjustment hole 11, fixed plate 12, bolt 8 and nut 9, power source 2 is fixed on stand 2 by bolt 8 and nut 9, adjustment hole 11 is offered on stand 1, adjustment hole 11 lower end has fixed plate 12, offering the through hole matched with bolt 8 in fixed plate 12, bolt 8 is through the through hole in fixed plate 12 and adjustment hole 11, and coordinates with nut 9 and be fixed on stand 1 by power source 2.The internal diameter of adjustment hole 11 is more than the external diameter of bolt 8；By the bolt 8 movement in adjustment hole 11, it is achieved the position of position-movable structure 20 is moved, and drive the power source 2 position adjustment on stand so that the deviation needed occurs between axle and the axle of loadwheel 3 of power source 2, shown in Figure 1.
When bolt 8 moves in adjustment hole 11 along the width of stand, fixed plate 12 also follow with power source 2 together with move, different radial missing numerical value occurs, power source can be made to be fixed on the position of radial missing numerical value of needs.When bolt 8 moves in adjustment hole 11 along the length direction of stand, fixed plate 12 also follow with power source 2 together with move, different axial deviation numerical value occurs.After power source 2 rotates certain angle, afterwards bolt 8 is moved in adjustment hole 11, make the intersection point of the axis of power source 2 and the axis of loadwheel 3 be positioned at the central spot of yielding coupling 4, the most only there is tilting tolerance.
Power source 2 is fixed by adapter sleeve 10 with yielding coupling 4, and loadwheel 3 is fixed also by adapter sleeve 10 with yielding coupling 4；So all for being rigidly connected between power source 2 and yielding coupling 4 and between loadwheel 3 and yielding coupling 4, so the deviation between the axle of the axle of power source 2 and loadwheel 3, being compensated by the elastic deformation of yielding coupling 4.Making stress difference everywhere on yielding coupling 4, under yielding coupling 4 duty, i.e. under rotation status, on yielding coupling 4, the position of each point is in variation, so the stress of yielding coupling 4 each point is also change.In the case of studying, between the axle of power source 2 and the axle of loadwheel 3, there is deviation, the stress situation on yielding coupling 4, yielding coupling 4 sticks foil gauge.In the present embodiment, six foil gauges are uniformly posted in the outer ring at the rubber ring 41 of yielding coupling 4, are connected with computer by foil gauge, are read the numerical value of each foil gauge by computer, analyze each affixed points subjected to stress situation.
In the present embodiment, loadwheel 3 is connected in load bracket 32 by bearing 31, and load bracket 32 is fixed on stand 1.Load bracket 32 is two, lays respectively at the left and right sides of loadwheel 3, and each load bracket 32 is fixed on stand 1 by two bolts 321.Rolling bearing selected by bearing 31, is conducive to starting in the case of having load, shown in Figure 1.
Can be under the drive of power source 1 in order to load, being transmitted after moment by yielding coupling 4 can even running, in the present embodiment, loadwheel 3 is chosen to be belt pulley, so that load can change, being provided with belt 5 over pulleys carried, one end 51 of belt 5 is fixed, and the other end 52 is hung with load.When loadwheel 3 rotates, belt 5 is fixing, is embodied the size of load by the frictional force size between loadwheel 3 and belt 5, shown in Figure 1.
For one end 51 fixing of belt 5, stand 1 bottom being provided with crossbeam 13, one end 51 of belt 5 is fixed on crossbeam 13.In the present embodiment, counterweight 6 is selected in load, and in order to realize being conveniently increased and decreased of counterweight 6, the other end 52 of belt 5 is fixed with pallet 7, and pallet 7 is placed with counterweight 6, and the counterweight of platform balance selected by counterweight 6, and the counterweight of platform balance is the shape of a hoof.Pallet 7 includes sleeve 71 and the annular end face 72 fixing with sleeve 71 end, offers screwed hole, have bolt 73 in screwed hole on sleeve 71；The other end 52 of belt 5 penetrates in pallet 7, and screw 73 screws in screwed hole, and the front end of bolt 73 is pressed on the other end 52 of belt 5, it is achieved pallet 7 is fixing with the other end 52 of belt 5.Now the annular end face 72 of pallet 7 is in level, it is possible to is placed on annular end face 72 by counterweight 6 easily, sees shown in Fig. 1, Fig. 3 and Fig. 4.
When carrying out the working condition tests of yielding coupling 4, in order to obtain the stressing conditions of foil gauge, gather stress data, the rotary speed needing power source 2 is slower, in the present embodiment, we use joystick to be connected on joystick support 21 by bearing 211 as power source 2, joystick, the top of the adjustment hole 11 that joystick support 21 is fixed on stand 1 by bolt 8 and nut 9.In the present embodiment, for fixing firm of joystick support 21, being two for the fixing adjustment hole 11 of joystick support 21, two adjustment holes 11 are distributed along the width of stand, namely radial distribution.Wherein, bolt 8 and nut 9 and the supporting setting of adjustment hole 11, also it is two；Fixed plate 12 can arrange one, one piece of fixed plate 12 is offered through hole that two bolts 8 pass just can, see shown in Fig. 1 and Fig. 2.
Joystick includes rocker shaft 22 and is positioned at the handle 23 of rocker shaft 22 end.Varying in size of power as required, and the custom of operation, handle can select various ways, such as lever handle or rotating disk handle or crank handle.
In other embodiments, it would however also be possible to employ motor carries out the stress data acquisition in the deviation test of yielding coupling 4 as power source 2, reduction box can also be used after motor power exports to slow down for reducing speed.
For the tired situation analysis in the working condition tests of yielding coupling 4, need yielding coupling 4 in the case of having deviation, after continuous service a period of time, namely after persistently rotating certain revolution, measure the damage situations of yielding coupling 4.Power source 2 uses joystick, rely on and manually constantly provide power for a long time, increase labor intensity, and waste of manpower, so in the present embodiment, during tired case study in the working condition tests carrying out yielding coupling 4, need power source 2 is replaced by motor, the damage situations of rear yielding coupling 4 stated by research operating regular hour or certain circle at different speeds, shown in Figure 5.
In the present embodiment, during in order to carry out tilting tolerance test, convenience during the motor anglec of rotation, and avoid that the internal diameter of adjustment hole 11 offers excessive, 24 and disk cover 25 it are provided with at the bottom of rotating disk in the bottom of motor, motor is fixed on rotating disk 25, and disk cover 25 covers at the bottom of rotating disk 24, and at the bottom of rotating disk, 24 are fixed on the top of adjustment hole 11 by bolt 8 and nut 9.In the present embodiment, in order at the bottom of rotating disk, 24 is fixing firm, being two for fixing the adjustment hole 11 of at the bottom of rotating disk 24, two adjustment holes 11 are distributed along the width of stand, and namely radial distribution sees shown in Fig. 5, Fig. 6.
In the present embodiment, stand 1 offers four adjustment holes 11 altogether, in other embodiments, can be by the size design of 24 at the bottom of the size design of joystick support 21 and the type selecting of motor, rotating disk, make on stand 1, offer two adjustment holes 11 altogether, namely fix at the bottom of joystick support 21 and rotating disk 24 and use common adjustment hole 11.
At the bottom of rotating disk, 24 include the bottom 241 of circle and are positioned at bottom 241 annular side portions 242 above；Disk cover 25 includes the cap 251 of circle and is positioned at cap 251 annular side 252 below, and annular side portions 242 is positioned at the outside of annular side 252.For fixing of disk cover 25, having screwed hole, have screw 243 in screwed hole in annular side portions 242, screw 243 withstands in annular side 252, sees shown in Fig. 5 and Fig. 6.
In other embodiments, motor can be directly anchored on stand 1, offers four adjustment holes 11 fixing for motor on stand 1 again.
So in yielding coupling working condition tests, the testing stand in the present embodiment can carry out deviation test, and gathers stress data and the tired situation of research；Experimental data analysis, improves yielding coupling.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention makees other form, and any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as the Equivalent embodiments of equivalent variations.But every without departing from technical solution of the present invention content, any simple modification, equivalent variations and remodeling above example made according to the technical spirit of the present invention, still fall within the protection domain of technical solution of the present invention.
Claims (4)
1. a yielding coupling working condition tests platform, it is characterized in that, including stand, described stand is provided with power source and loadwheel, flexible shaft coupling is connected between described power source and loadwheel, being provided with position-movable structure on described stand, described power source and/or loadwheel are fixed on the removable frame of position；Described position-movable structure includes adjustment hole, fixed plate, bolt, nut, described adjustment hole is offered on described stand, the internal diameter of described adjustment hole is more than the external diameter of described bolt, described adjustment hole lower end has described fixed plate, the through hole matched with described bolt is offered in described fixed plate, described bolt passes described through hole and adjustment hole, and described power source and/or loadwheel is fixed with described nut screw connection；Described power source is motor；Described motor is fixed on disk cover, and described disk cover covers at the bottom of rotating disk, is fixed on the top of described adjustment hole at the bottom of described rotating disk by described screw bolt and nut；Including the bottom of circle at the bottom of described rotating disk and be positioned at the annular side portions above described bottom, described disk cover includes the cap of circle and is positioned at the annular side below described cap, and described annular side portions is positioned at the outside of described annular side；Described loadwheel is belt pulley, and described belt pulley has belt, and one end of described belt is fixed, and the other end is hung with load；The other end of described belt is fixed with pallet, and described pallet is placed with counterweight；Described pallet includes sleeve and the annular end face fixing with sleeve ends, described sleeve offers screwed hole, has screw or bolt in described screwed hole, and described belt penetrates described pallet, and is fixed by the screw in described screwed hole or bolt.
Yielding coupling working condition tests platform the most according to claim 1, it is characterised in that described yielding coupling be scaled after simulation shaft coupling, including rubber ring and the becket being fixed on the described rubber ring left and right sides, described becket is fixed with axle.
Yielding coupling working condition tests platform the most according to claim 2, it is characterised in that post foil gauge on described rubber ring.
Yielding coupling working condition tests platform the most according to claim 1, it is characterised in that described loadwheel is belt pulley, described belt pulley has belt, and one end of described belt is fixed, and the other end is hung with load.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310523726.9A CN103558025B (en) | 2013-10-30 | 2013-10-30 | A kind of yielding coupling working condition tests platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310523726.9A CN103558025B (en) | 2013-10-30 | 2013-10-30 | A kind of yielding coupling working condition tests platform |
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| CN103558025A CN103558025A (en) | 2014-02-05 |
| CN103558025B true CN103558025B (en) | 2016-10-05 |
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| CN104280238B (en) * | 2014-10-22 | 2017-02-08 | 重庆大学 | Power closed testbed for running characteristic of overloading coupler |
| CN105547692B (en) * | 2015-12-04 | 2018-05-15 | 中国航空动力机械研究所 | The axis drift angle coupled situation fatigue rig and coupling method of flexible clutch |
| CN108827629B (en) * | 2018-06-13 | 2020-06-16 | 襄阳宇清传动科技有限公司 | Coupler no-load running-in equipment |
| CN109991000B (en) * | 2019-03-13 | 2020-09-08 | 重庆电子工程职业学院 | Multifunctional detection device for coupler |
| CN109946067B (en) * | 2019-03-13 | 2020-10-16 | 重庆电子工程职业学院 | Shaft coupling life check out test set |
| CN111121606A (en) * | 2019-11-21 | 2020-05-08 | 南京工诺科技有限公司 | Deviation tester for mounting coupler |
| CN114459755B (en) * | 2021-12-31 | 2023-04-18 | 武汉理工大学 | Device and method for testing power transmission performance of high-power magnetorheological fluid coupler |
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| DE3412133C2 (en) * | 1984-03-31 | 1986-11-06 | J.M. Voith Gmbh, 7920 Heidenheim | Test device for torsionally flexible couplings |
| RU2172938C1 (en) * | 2000-08-01 | 2001-08-27 | Государственное унитарное предприятие Всероссийский научно-исследовательский институт тепловозов и путевых машин | Test bench for experimental studies of flexible couplings |
| CN101726377A (en) * | 2009-12-17 | 2010-06-09 | 东方电气集团东方汽轮机有限公司 | Wind driven generator coupler test-bed and test method |
| CN102072816A (en) * | 2010-05-21 | 2011-05-25 | 浙江八环轴承有限公司 | Bearing tester |
| CN102305706A (en) * | 2011-07-22 | 2012-01-04 | 耐世特凌云驱动系统（芜湖）有限公司 | Working condition experimental device of automotive front driving shaft |
| CN203629826U (en) * | 2013-10-30 | 2014-06-04 | 山东省科学院海洋仪器仪表研究所 | Elastic coupler working condition test stand |
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2013
- 2013-10-30 CN CN201310523726.9A patent/CN103558025B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3412133C2 (en) * | 1984-03-31 | 1986-11-06 | J.M. Voith Gmbh, 7920 Heidenheim | Test device for torsionally flexible couplings |
| RU2172938C1 (en) * | 2000-08-01 | 2001-08-27 | Государственное унитарное предприятие Всероссийский научно-исследовательский институт тепловозов и путевых машин | Test bench for experimental studies of flexible couplings |
| CN101726377A (en) * | 2009-12-17 | 2010-06-09 | 东方电气集团东方汽轮机有限公司 | Wind driven generator coupler test-bed and test method |
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