CN201083593Y - Air spring torsional pendulum fatigue-testing machine for rail traffic - Google Patents
Air spring torsional pendulum fatigue-testing machine for rail traffic Download PDFInfo
- Publication number
- CN201083593Y CN201083593Y CNU2007200644837U CN200720064483U CN201083593Y CN 201083593 Y CN201083593 Y CN 201083593Y CN U2007200644837 U CNU2007200644837 U CN U2007200644837U CN 200720064483 U CN200720064483 U CN 200720064483U CN 201083593 Y CN201083593 Y CN 201083593Y
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- air spring
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- track traffic
- test machine
- fatigue test
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Abstract
The utility model relates to an air spring twist fatigue testing machine for orbit traffic use, which comprises a stander, a workbench and an electric control cabinet, etc., wherein the stander is of a four upright posts framework structure, and a flexible mount is arranged upside the stander. A wobbler mechanism is arranged on the side face of the workbench of the stander. The wobbler mechanism can be a crank-rocker mechanism which can drive the workbench to swing in an arc with the swing arm length as radius. A crankshaft disk is arranged on the output shaft of a speed reducer which outputs upward in vertical direction. The workbench is arranged in the hinged position of the swing arm and the connecting rod and is positioned below the stander. The tested air spring is arranged between the workbench and the flexible mount. A trapezoid screw which can vertically adjust the position of the flexible mount is arranged on the flexible mount, and a transverse adjusting screw is further arranged on the flexible mount. The transverse adjusting screw on the flexible mount can adjust the transverse offset, and the vibration amplitude is adjusted by adjusting the length of the crank. The swinging radius can be adjusted by adjusting the length of the swing arm, and the vibration frequency can be adjusted by a transducer, thereby automatically stopping the machine when the set overall times reach.
Description
Technical field
The utility model relates to a kind of track traffic dynamic testing equipment with air spring, and it is applied to the test of track traffics such as railway, city underground with air spring or similar products fatigue lifetives.
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 the torture test inspection 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.
The utility model content
The purpose of this utility model is, at the deficiency of existing air spring test unit, providing can be comprehensively, the actual loading and the deformation state of simulated air spring truly, the test unit of novel air spring accurately of test findings.This test unit can provide the dynamic fatigue test of a plurality of direction vibrations of air spring.
The technical solution adopted in the utility model is: a kind of air spring dynamic testing machine, comprise that frame, worktable and electrical control cabinet etc. are partly, its characteristics are: described frame is four column frame formula structures, top in frame is equipped with tressel, 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.The utility model makes air spring produce the torsional movement of the actual user mode of simulation by vertical, horizontal, arc swing multidimensional compound action.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 beneficial effects of the utility model are: 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 utility model.
Fig. 2 is a structural representation vertical view of the present utility model.
Fig. 3 is a structural representation left view of the present utility model.
Fig. 4 is an A-A cut-open view of the present utility model.
Fig. 5 is that tourelle of the present utility model is arranged synoptic diagram.
Among the figure: 1. frame 2. tressels 3. worktable 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 set 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 utility model will be further described below in conjunction with the drawings and specific embodiments.
From accompanying drawing as can be seen, the utility model comprises that 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 made of swing arm 5, connecting rod 24, bent wheel disc 22, crank pin 23 etc., 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, reductor 21 is vertical upwards installation, 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, variable-frequency motor is controlled by the converter plant in the electrical control cabinet, by the frequency that the rotating speed of converter plant adjusting variable-frequency motor is regulated vibration, variable-frequency motor carries ventilation unit.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 to drive worktable 3 be the radius arc swing with the pendulum arm length on chute board 16, 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, fastening 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 (8)
1. track traffic air spring torsion fatigue test machine, comprise that frame, worktable and electrical control cabinet etc. are partly, it is characterized in that: 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.
2. track traffic air spring torsion fatigue test machine as claimed in claim 1, it is characterized in that: described wabbler mechanism is a crank and rocker mechanism, crank and rocker mechanism is made of the swing arm of connecting rod, bent wheel disc, crank pin, wabbler mechanism, be horizontally disposed, crank and rocker mechanism can drive the arc swing motion that the worktable work is radius with the pendulum arm length.
3. track traffic air spring torsion fatigue test machine as claimed in claim 1 or 2, it is characterized in that: described bent wheel disc is installed on the output shaft of the vertical upwards reduction gear of output, worktable is installed in the hinged place of swing arm and connecting rod, is positioned at frame lower.
4. track traffic air spring torsion fatigue test machine as claimed in claim 1 or 2 is characterized in that: the trapezoidal screw that vertical adjusting tressel position is arranged on the described tressel.
5. track traffic air spring torsion fatigue test machine as claimed in claim 3, it is characterized in that: described reduction gear is made up of variable-frequency motor and hard flank of tooth cylinder conical gear reducer, reductor is vertical upwards installation, variable-frequency motor is controlled by the converter plant in the electrical control cabinet, by the frequency that the rotating speed of converter plant adjusting variable-frequency motor is regulated vibration, variable-frequency motor carries ventilation unit.
6. track traffic air spring torsion fatigue test machine as claimed in claim 1, it is characterized in that: the tourelle of band rolling bearing is housed below the worktable 3, is that radius make arc swing with the pendulum arm length at the driving lower table of crank and rocker mechanism on slideway.
7. track traffic air spring torsion fatigue test machine as claimed in claim 1, it is characterized in that: vertical adjusting screw(rod) and lateral adjustments screw rod are arranged on the described tressel, vertical 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.
8. track traffic air spring torsion fatigue test machine as claimed in claim 1, it is characterized in that: described electrical control is furnished with touch-screen cashier's office in a shop, directly sets frequency, the global cycle number of times of vibration by touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200644837U CN201083593Y (en) | 2007-09-18 | 2007-09-18 | Air spring torsional pendulum fatigue-testing machine for rail traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200644837U CN201083593Y (en) | 2007-09-18 | 2007-09-18 | Air spring torsional pendulum fatigue-testing machine for rail traffic |
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| Publication Number | Publication Date |
|---|---|
| CN201083593Y true CN201083593Y (en) | 2008-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200644837U Expired - Fee Related CN201083593Y (en) | 2007-09-18 | 2007-09-18 | Air spring torsional pendulum fatigue-testing machine for rail traffic |
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| CN (1) | CN201083593Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424582B (en) * | 2008-11-21 | 2010-11-17 | 青岛四方车辆研究所有限公司 | Air spring test stand |
| CN101126677B (en) * | 2007-09-18 | 2011-02-09 | 株洲时代新材料科技股份有限公司 | Air spring torsion fatigue test method and device for track traffic |
| CN101685041B (en) * | 2008-09-26 | 2012-11-28 | 上汽通用五菱汽车股份有限公司 | Test method for simulating air spring of end gate of real vehicle and system thereof |
| CN103308265A (en) * | 2013-06-14 | 2013-09-18 | 江苏万工科技集团有限公司 | Device and method for measuring dynamic stiffness frequency-dependent characteristics of return springs |
| CN105021388A (en) * | 2015-07-09 | 2015-11-04 | 安徽舒城华云弹簧制造有限公司 | Spring swing life test device |
| CN106644453A (en) * | 2017-02-22 | 2017-05-10 | 上海葆专自动化科技有限公司 | Spring force testing machine |
| CN107036805A (en) * | 2017-06-14 | 2017-08-11 | 苏州科技大学 | Spring anti-fatigue test equipment |
| CN108645639A (en) * | 2018-05-14 | 2018-10-12 | 株洲时代新材料科技股份有限公司 | A kind of spherical elastic body large-tonnage is axial with deflection test device and method |
| CN110610644A (en) * | 2019-08-30 | 2019-12-24 | 国网福建省电力有限公司电力科学研究院 | Overhead insulated cable swing simulation device and working method thereof |
-
2007
- 2007-09-18 CN CNU2007200644837U patent/CN201083593Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126677B (en) * | 2007-09-18 | 2011-02-09 | 株洲时代新材料科技股份有限公司 | Air spring torsion fatigue test method and device for track traffic |
| CN101685041B (en) * | 2008-09-26 | 2012-11-28 | 上汽通用五菱汽车股份有限公司 | Test method for simulating air spring of end gate of real vehicle and system thereof |
| CN101424582B (en) * | 2008-11-21 | 2010-11-17 | 青岛四方车辆研究所有限公司 | Air spring test stand |
| CN103308265A (en) * | 2013-06-14 | 2013-09-18 | 江苏万工科技集团有限公司 | Device and method for measuring dynamic stiffness frequency-dependent characteristics of return springs |
| CN103308265B (en) * | 2013-06-14 | 2015-09-30 | 江苏万工科技集团有限公司 | A kind of measurement mechanism of return spring dynamic stiffness frequency dependent characteristic and method |
| CN105021388A (en) * | 2015-07-09 | 2015-11-04 | 安徽舒城华云弹簧制造有限公司 | Spring swing life test device |
| CN106644453A (en) * | 2017-02-22 | 2017-05-10 | 上海葆专自动化科技有限公司 | Spring force testing machine |
| CN107036805A (en) * | 2017-06-14 | 2017-08-11 | 苏州科技大学 | Spring anti-fatigue test equipment |
| CN108645639A (en) * | 2018-05-14 | 2018-10-12 | 株洲时代新材料科技股份有限公司 | A kind of spherical elastic body large-tonnage is axial with deflection test device and method |
| CN108645639B (en) * | 2018-05-14 | 2020-01-31 | 株洲时代新材料科技股份有限公司 | large-tonnage axial and deflection test device and method for spherical elastomer |
| CN110610644A (en) * | 2019-08-30 | 2019-12-24 | 国网福建省电力有限公司电力科学研究院 | Overhead insulated cable swing simulation device and working method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |