CN101126677B - Air spring torsion fatigue test method and device for track traffic - Google Patents

Air spring torsion fatigue test method and device for track traffic Download PDF

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Publication number
CN101126677B
CN101126677B CN2007100357682A CN200710035768A CN101126677B CN 101126677 B CN101126677 B CN 101126677B CN 2007100357682 A CN2007100357682 A CN 2007100357682A CN 200710035768 A CN200710035768 A CN 200710035768A CN 101126677 B CN101126677 B CN 101126677B
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China
Prior art keywords
air spring
loading
vertical
worktable
frame
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CN2007100357682A
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Chinese (zh)
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CN101126677A (en
Inventor
欧阳玉香
曹建平
林达文
王进
王永冠
赵熙雍
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株洲时代新材料科技股份有限公司
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Publication of CN101126677A publication Critical patent/CN101126677A/en
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Abstract

The utility model relates to a method and device for the torsion fatigue test for air springs or similar products, which is used in the rail traffic by simulating the actual working state of the air springs through vertical, horizontal and torsion multidimensional load systems. The torsion fatigue tester comprises a frame, a worktable, and an electrical control cabinet; wherein, the frame is in the structure of framed with four columns; an adjustable shelf is arranged at the upper part of the frame; a wobbler mechanism is positioned on the lateral face of the worktable of the frame; the wobbler mechanism can designed into a crank and rocker mechanism, which can drive the worktable into circular arc rotation with the length of the swing arm as the radius; the air spring for testing is positioned between the worktable and the adjustable shelf; a trapezoid screw is arranged on the adjustable shelf for vertically regulating the position of the adjustable shelf; a horizontal adjusting screw is also positioned on the adjustable shelf. The lateral shift is regulated by the horizontal adjusting screw on the adjustable shelf; the swinging radius is adjusted by the length of the swinging arm, and the vibration frequency is regulated by a frequency converter.

Description

A kind of track traffic is with air spring torsion fatigue test method and device

Technical field

The present invention relates to test method and the device of a kind of track traffic with air spring, is that a kind of track traffic is carried out vertical, horizontal, as to reverse multidimensional loading torsion fatigue test method and device simultaneously with air spring or similar products specifically.

Background technology

Along with expanding economy, the track traffic travelling speed is more and more higher, and people are also more and more higher to the requirement of the comfort level of the instrument of starting a work shift and environmental quality.For adapting to above-mentioned requirements, rolling stock and city railway vehicle have generally been installed the flexible member of air spring as vibration and noise reducing.Air spring in order to guarantee usability, must carry out torture test as a kind of important vibration and noise reducing element.At present, general air spring fatigue tester is to allow test specimen produce straight reciprocating motion in axial or horizontal single direction carry out torture test, but the air spring that is actually used on the track traffic transportation equipment is at torsional movement vertical, horizontal, that reverse the stressed generation distortion of a plurality of directions, therefore existing testing machine can not be comprehensively when carrying out torture test, the actual loading and the deformation state of simulated air spring truly, accuracy of experimental results is very low.

In order to improve the q﹠r of air spring, market presses for the testing equipment of energy real simulation track traffic with the air spring actual working state, especially need to be applicable to the fatigue rig of the air spring of all size and structure, and this testing equipment long-time running is reliable and stable, precision is high, easy to maintenance, operating cost is low.

Summary of the invention

The invention provides torsion fatigue test method that a kind of multidimensional loads and the track traffic air spring torsion fatigue test machine of realizing this method.

The technical solution used in the present invention is: a kind of track traffic is with the method for air spring torsion fatigue test, test method be by a kind of vertical, horizontal, reverse the multidimensional loading system is simulated actual working state to air spring torsion fatigue test.Described vertical, horizontal, reverse and comprise at least in the multidimensional loading system that the vertical loading system of a cover, a horizontal loading system of cover and a cover reverse loading system.By vertical loading system air spring is carried out vertical loading, laterally loading system laterally loads air spring, reverse loading system air spring is reversed loading, and be combined to form multidimensional loading system vertical, horizontal, the arc swing multidimensional compound action of air spring.Regulate motor speed by the frequency converter of electric control system again and regulate vibration frequency; make air spring produce the torsional movement of the actual user mode of simulation; and the setting recording cycle index, reach the total degree auto stop of setting, thereby finish the torsion fatigue test of air spring.

Described torsion fatigue test machine comprises frame, worktable and electrical control cabinet etc. partly, and its characteristics are: described frame is four column frame formula structures, is equipped with tressel on the top of frame, in the side of frame worktable wabbler mechanism is installed.Wabbler mechanism can be a crank and rocker mechanism, and crank and rocker mechanism is made of the swing arm of connecting rod, bent wheel disc, crank pin, wabbler mechanism etc., is horizontally disposed, and it is the arc swing motion of radius that crank and rocker mechanism can drive that worktable does with the pendulum arm length.Bent wheel disc is installed on the output shaft of the vertical upwards reduction gear of output, and worktable is installed in the hinged place of swing arm and connecting rod, is positioned at frame lower.Tested air spring is installed between worktable and the tressel, and the trapezoidal screw of vertical adjusting tressel position is arranged on the tressel, with assurance air spring standard operation height, and provides air spring required in test vertical load.Also has the lateral adjustments screw rod on the tressel, the lateral excursion of regulating emergent spring mount pin by the lateral adjustments screw rod on the tressel.Crank and rocker mechanism drives the arc swing motion that the worktable work is radius with the pendulum arm length.Vertical, horizontal, arc swing multidimensional compound action makes air spring produce the torsional movement of the actual user mode of simulation.Regulate Oscillation Amplitude by regulating crank length; regulate pendulum radius by regulating pendulum arm length; regulate motor speed by the frequency converter of electric control system and regulate vibration frequency, set and the record cycle index, reach the total degree auto stop of setting.

The invention has the beneficial effects as follows: can be comprehensively, the practical application operating mode of simulated air spring truly, carry out vertical, horizontal, reverse multidimensional and load torsion fatigue test, reflect rocking performance and serviceable life of air spring comparatively truly.Testing machine adopts physical construction to load and parameter regulation, and is stable, reliable, and control system is simple, convenient, safeguards simple and easyly, and operating cost is low.

Description of drawings

Fig. 1 is a structural representation front view of the present invention.

Fig. 2 is a structural representation vertical view of the present invention.

Fig. 3 is a structural representation left view of the present invention.

Fig. 4 is an A-A cut-open view of the present invention.

Fig. 5 is that tourelle of the present invention is arranged synoptic diagram.

Among the figure: 1. frame 2. adjustable shelfs 3. workbench 4. wabbler mechanisms 5. swing arms 6. guide pillars 7. top boards 8. worm and gear speed-reduction apparatus 9. vertical screw rod 10. studdles 11. guide pillar locking nuts 12. sliding shoes 13. handwheels 14. lateral adjustments screw rods 15. tested air spring 16. chute boards 17. abaculus 18. regulating blocks 19. variable-frequency motors 20. electrical control cabinets 21. reductors 22. bent wheel disc 23. crank-pins 24. connecting rods 25. tourelles 26. compressed air inlet pipes

Embodiment

The invention will be further described below in conjunction with the drawings and specific embodiments.

From accompanying drawing as can be seen, the present invention is a kind of track traffic air spring torsion fatigue test device, the test method of this device be by vertical, horizontal, reverse the multidimensional loading system is simulated actual working state to air spring torsion fatigue test.Described vertical, horizontal, reverse and comprise at least in the multidimensional loading system that the vertical loading system of a cover, a horizontal loading system of cover and a cover reverse loading system.By vertical loading system air spring is carried out vertical loading, laterally loading system laterally loads air spring, reverse loading system air spring is reversed loading, and be combined to form multidimensional loading system vertical, horizontal, the arc swing multidimensional compound action of air spring.Regulate motor speed by the frequency converter of electric control system again and regulate vibration frequency; make air spring produce the torsional movement of the actual user mode of simulation; and the setting recording cycle index, reach the total degree auto stop of setting, thereby finish the torsion fatigue test of air spring.

Testing machine comprises frame, worktable and electrical control cabinet etc. are partly, frame 1 is four column frame formula structures, tressel 2 is installed in the top of frame 1, is furnished with studdle 10 on four jiaos, wabbler mechanism 4 is installed in the side of frame worktable 1, wabbler mechanism 4 is a crank and rocker mechanism, crank and rocker mechanism is by swing arm 5, connecting rod 24, bent wheel disc 22, crank pin 23 formations such as grade, be arranged horizontally, crank and rocker mechanism can drive the arc swing motion that the worktable work is radius with the pendulum arm length, bent wheel disc 22 is installed on the output shaft of the vertical upwards reduction gear of output, described reduction gear is made up of variable-frequency motor 19 and cylinder conical gear reducer 21, variable-frequency motor 19 carries ventilation unit, regulate motor speed by the frequency converter in the electrical control cabinet 20, and then adjusting vibration frequency, chute board 16 is installed in the last plane of frame worktable 1, worktable 3 is installed in the hinged place of swing arm 5 and connecting rod 24, the tourelle 25 that 10 covers have rolling bearing is housed below the worktable 3, when making arc swing under the driving of worktable 3 at crank and rocker mechanism, tourelle 25 rolls on chute board 16 and bears vertical force.Tested air spring 15 is installed between worktable 3 and the sliding shoe 12 by the mount pin at two ends, worm and gear speed-reduction apparatus 8 on the top board 7 drives tressel 2 along guide pillar 6 upper and lower moving by the vertical screw rod 9 of direct motor drive, and lateral adjustments screw rod 14 links to each other with sliding shoe 12.The relevant position of wabbler mechanism 4, sliding shoe 12, bent wheel disc 22 is equipped with rule.Reduction gear drives crank and rocker mechanism and drives the arc swing motion that worktable 3 works are radius with the pendulum arm length, and vertical, horizontal, arc swing multidimensional compound action makes air spring 15 produce the torsional movement of the actual user mode of simulation.The radial position of crank pin 23 on bent wheel disc 22 is the crank adjustable length; and it is corresponding one by one with Oscillation Amplitude; regulate pendulum radius by regulating swing arm 5 length, the touch-screen by electrical control cabinet 20 is provided with the circulation total degree and shows the round-robin number of times, reaches the total degree auto stop of setting.

Concrete implementation step:

1. tested air spring 15 is installed on worktable 3, with the mounting hole on the lower end mount pin alignment work platform 3 of air spring 15 base plates, start worm and gear speed-reduction apparatus 8, vertical screw rod 9 promotes tressel 2 upper and lower moving to adjust the working depth of air spring.After adjusting puts in place, tighten the clamping screw of tressel 2, tressel 2 is clamped on 4 guide pillars 6 bearing side force, and adjusts studdle 10, it is contacted with tressel 2 bearing vertical support reaction, and lock locking with set nut.

2. adjust the side-play amount of tested air spring 15 emergent springs.With handwheel 13 rotation lateral adjustments screw rods 14, make sliding shoe 12 off center positions, after the side-play amount of rule indication reaches requirement, locking tressel 2.Open compressed air inlet pipe 26, charge into the pressurized air of Pass Test requirement for tested air spring 15.

3. adjust the amplitude of rocking of tested air spring 15.The radical length of crank pin 23 on bent wheel disc 22 is crank length, rocks amplitude and crank length is one to one.Crank pin 23 center scale marks are aimed at the corresponding scale that requires amplitude on the rule on the bent wheel disc 22, the tooth bar of crank pin 23 bottoms and the engagement of the tooth bar on the bent wheel disc 22, the conical surface of crank pin 23 both sides contacts with the conical surface of bent wheel disc 22, then crank pin 23 is fastened on the bent wheel disc 22.

4. adjust and rock radius.Abaculus on the wabbler mechanism 4 17 center lines are aimed at the corresponding scale of rule, scale value be regulating block 18 centers to frame worktable 1 center the distance of (being tested air spring center).This distance is the length of swing arm, and the installation site of just tested air spring on rail vehicle is to the distance of vehicle center pin, and air spring rocks around this centrepin rotation during vehicle operating, rocks radius so pendulum arm length is.After scale was aimed at, locking abaculus 17 rocked the radius adjusting and finishes.

5. the setting air spring rocks frequency and global cycle number of times.The adjusting of rocking frequency is to realize that by the rotating speed of frequency converter adjusting variable-frequency motor 19 described frequency converter is installed in the electrical control cabinet 20.By the touch-screen on electrical control cabinet 20 panels desired vibration frequency of test and global cycle number of times are set directly.

6. check the fastening situation at each position, confirm that errorless back starts variable-frequency motor 19, carry out torture test, reach and set auto stop behind the global cycle number of times, and record keeps every test figure.

Claims (4)

1. a track traffic is with the method for air spring torsion fatigue test, described test method be by vertical, horizontal, reverse the multidimensional loading system is simulated actual working state to air spring torsion fatigue test; It is characterized in that: described vertical, horizontal, reverse and comprise in the multidimensional loading system that the vertical loading system of a cover, a horizontal loading system of cover and a cover reverse loading system; By vertical loading system air spring is carried out vertical loading, laterally loading system laterally loads air spring, reverse loading system air spring is reversed loading, and be combined to form multidimensional loading system to vertical, horizontal, the arc swing multidimensional compound action of air spring, make air spring produce the torsional movement of the actual user mode of simulation, thereby finish the torsion fatigue test of air spring.
2. realize the described track traffic of the claim 1 track traffic air spring torsion fatigue test machine of air spring torsion fatigue test method for one kind, comprise frame, worktable and electrical control cabinet, it is characterized in that: described frame is four column frame formula structures, top in frame is equipped with tressel, in the side of worktable wabbler mechanism is installed; Described wabbler mechanism is a crank and rocker mechanism, and crank and rocker mechanism is made of the swing arm of connecting rod, bent wheel disc, crank pin, wabbler mechanism, is horizontally disposed, and crank and rocker mechanism can drive the arc swing motion that the worktable work is radius with the pendulum arm length; Bent wheel disc is installed on the output shaft of the vertical upwards reduction gear of output, and worktable is installed in the hinged place of swing arm and connecting rod, is positioned at frame lower; Tested air spring is installed between worktable and the tressel, and the vertical adjusting screw(rod) of vertical adjusting tressel position is arranged on the tressel, with assurance air spring standard operation height, and provides air spring required in test vertical load; Also has the lateral adjustments screw rod on the tressel.
3. track traffic air spring torsion fatigue test machine as claimed in claim 2, it is characterized in that: the tourelle of band rolling bearing is housed below the worktable, is that radius make arc swing with the pendulum arm length at the driving lower table of crank and rocker mechanism on slideway.
4. track traffic air spring torsion fatigue test machine as claimed in claim 2 is characterized in that: described vertical adjusting screw(rod) is by the worm and gear speed-reduction apparatus motorized motions, and the lateral adjustments screw rod is the operated by handwheel structure.
CN2007100357682A 2007-09-18 2007-09-18 Air spring torsion fatigue test method and device for track traffic CN101126677B (en)

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Application Number Priority Date Filing Date Title
CN2007100357682A CN101126677B (en) 2007-09-18 2007-09-18 Air spring torsion fatigue test method and device for track traffic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007100357682A CN101126677B (en) 2007-09-18 2007-09-18 Air spring torsion fatigue test method and device for track traffic

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CN101126677A CN101126677A (en) 2008-02-20
CN101126677B true CN101126677B (en) 2011-02-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110514457A (en) * 2019-08-29 2019-11-29 中车长春轨道客车股份有限公司 A kind of rail traffic controllable resistance device experimental provision

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CN102023093B (en) * 2009-09-11 2013-07-03 中国商用飞机有限责任公司 Rocker arm type loading mechanism
CN102628742B (en) * 2012-04-17 2014-07-30 西南交通大学 Double-way simulation fatigue test method of motor suspension plate spring of high speed locomotive
CN102628744B (en) * 2012-04-17 2014-05-07 长春轨道客车股份有限公司 Double-way loading force transmission unit of simulation fatigue test device
CN102829985B (en) * 2012-08-22 2015-04-22 株洲时代新材料科技股份有限公司 Fatigue testing device and fatigue testing method for traction connecting rod system of single-rail cart
CN103076246B (en) * 2013-01-06 2014-10-22 北京航空航天大学 Double-shaft high-low cycle complex fatigue tester
CN103207069B (en) * 2013-03-27 2015-09-23 桂林福达股份有限公司 Clutch coupling torsion damping spring fatigue test device and method
CN103698121B (en) * 2014-01-06 2015-11-04 株洲时代新材料科技股份有限公司 A kind of rail vehicle drawing pull bar combination load test method and device
CN104280230A (en) * 2014-09-22 2015-01-14 株洲时代新材料科技股份有限公司 Torsion test device and method for air spring
CN104330252A (en) * 2014-11-06 2015-02-04 深圳市瑞格尔仪器有限公司 Electric fatigue tester
CN106323602B (en) * 2015-06-23 2018-05-29 株洲时代新材料科技股份有限公司 Pendulum arm length regulating device and paired air spring torsion fatigue test device
CN105181310A (en) * 2015-08-10 2015-12-23 株洲时代新材料科技股份有限公司 Air-spring mechanical property test device and experiment machine
CN105547667A (en) * 2015-12-09 2016-05-04 中国北方车辆研究所 Hydro-pneumatic spring test bench with side force simulation device

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Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201083593Y (en) * 2007-09-18 2008-07-09 株洲时代新材料科技股份有限公司 Air spring torsional pendulum fatigue-testing machine for rail traffic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110514457A (en) * 2019-08-29 2019-11-29 中车长春轨道客车股份有限公司 A kind of rail traffic controllable resistance device experimental provision

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