CN102346101A - Dynamic loading simulation test-bed of passenger car bogie - Google Patents
Dynamic loading simulation test-bed of passenger car bogie Download PDFInfo
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- CN102346101A CN102346101A CN2011102884338A CN201110288433A CN102346101A CN 102346101 A CN102346101 A CN 102346101A CN 2011102884338 A CN2011102884338 A CN 2011102884338A CN 201110288433 A CN201110288433 A CN 201110288433A CN 102346101 A CN102346101 A CN 102346101A
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Abstract
The invention discloses a dynamic loading simulation test-bed of a passenger car bogie, relating to a dynamic loading test-bed and aiming at solving the problems of difficulty in control over the loading force and inaccuracy of measured data in the traditional simulation test-bed of the passenger car bogie. Two sliding platforms are both arranged on two steel rails, a driving mechanism is arranged in each sliding platform, the upper end of a hydraulic oil cylinder is arranged on a crossbeam, and the lower end of the hydraulic oil cylinder is provided with a pressure head; and a lateral force hydraulic loading device comprises a lifting hydraulic cylinder, a sliding block, a support plate, a horizontal hydraulic cylinder and two slideways, wherein the lifting hydraulic cylinder is vertically arranged in a cavity, the sliding block is fixedly arranged at the upper end of the hydraulic cylinder, two slideways are oppositely and fixedly arranged on the inner wall of a first upright column in parallel, the sliding block is slidably connected with the two slideways, one end of the support plate is fixedly arranged on the sliding block, the horizontal hydraulic cylinder is fixedly arranged on the upper end surface of the support plate, one end of the horizontal hydraulic cylinder is connected with the sliding block, and the other end of the horizontal hydraulic cylinder is connected with the pressure head. The dynamic loading simulation test-bed is used for the dynamic loading simulation test of the passenger car bogie.
Description
Technical field
The present invention relates to a kind of bogie simulation dynamic test platform, be specifically related to the non-power truck simulation of a kind of railway passenger train dynamic test platform.
Background technology
The passenger car bogie simulator stand can manufacture and design, use and overhaul the experimental analysis data that provide important for China's passenger car bogie; Through test and quantification to the dynamic performance parameter; For Dynamics Simulation Analysis provides reliable raw data, make theoretical analysis accurate and effective more.
Existing passenger car bogie simulator stand adopts leading screw to load wayward loading force; Driving mechanism adopts the belt gear belt to be prone to throw switch, and causes test data inaccurate.
Summary of the invention
The present invention exists wayward loading force and the inaccurate problem of test data for solving existing passenger car bogie simulator stand, and then a kind of passenger car bogie simulation dynamic test platform is provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: passenger car bogie simulation dynamic test platform of the present invention comprises base, two one slide rails, two sliding platforms, two driving mechanisms, portal frame, side force hydraulic loading device, hydraulic jack and pressure heads; Said portal frame is made up of first column, second column and crossbeam; Said first column is relative with second column to be packed on the upper surface of base, and the upper end of said first column fixes as one through the upper end of the crossbeam and second column; Said two one slide rails are set in parallel on the upper surface of base and between first column and second column; Said two one slide rails are vertical with portal frame to be provided with; Said two sliding platforms are installed on two one slide rails; Each sliding platform is provided with a driving mechanism; Driving mechanism comprises motor; Transmission shaft; Braked wheel; Two bearing seats and two driving wheels; Said motor and two bearing seats are fixed on the upper surface of sliding platform along the length direction of sliding platform; Said transmission shaft is installed on two bearing seats; One end of the output shaft of motor and transmission shaft is affixed; Said two driving wheels are solidly set on the transmission shaft; Said braked wheel is solidly set on the transmission shaft and between two driving wheels; The upper end of said hydraulic jack is installed on the crossbeam; The lower end of said hydraulic jack is equipped with pressure head; Said side force hydraulic loading device comprises lifting hydraulic cylinder; Slide block; Back up pad; Horizontal hydraulic cylinder and two slideways; Said first column is provided with cavity; Said lifting hydraulic cylinder vertically is installed in the cavity of first column; Said slide block is packed in the upper end of lifting hydraulic cylinder; Two slideway opposing parallel are packed on the inwall of first column; Said slide block and two slideways are slidingly connected; One end of said back up pad is packed on the slide block; Said horizontal hydraulic cylinder is packed on the upper surface of back up pad; One end of said horizontal hydraulic cylinder is connected with slide block, and the other end of said horizontal hydraulic cylinder is connected with pressure head.
The present invention has following beneficial effect: passenger car bogie simulation dynamic test platform of the present invention adopts hydraulic jack that passenger car bogie is carried out vertical power loading and side force loads; Vertically power loads and can simulate the railway passenger train self gravitation; Side force loads the centripetal force in the time of can simulating the railway passenger train turning; Adopting leading screw to load with existing passenger car bogie simulator stand compares; Accurate control loaded power; For Dynamics Simulation Analysis provides reliable raw data, make theoretical analysis accurate and effective more;
The driving mechanism of passenger car bogie simulation dynamic test platform of the present invention adopts the driving wheel on the motor direct-drive transmission shaft; Adopt belt gear to compare with existing passenger car bogie simulator stand; Running speed that can the real simulation railway passenger train; Can accurately record the dynamic performance parameter, the dynamic performance parameter comprises technical indicators such as wheel circumference speed that Ministry of Railways's technical standard requires to detect, pressure, bearing temperature rise;
Passenger car bogie simulation dynamic test platform of the present invention can carry out the measurement of dynamic performance parameter to the passenger car bogie that uses different model, can analyze the utilization state of passenger car bogie, for the passenger vehicle traffic safety provides reliable foundation.
Description of drawings
Fig. 1 is the stereographic map of passenger car bogie simulation dynamic test platform of the present invention, and Fig. 2 is the I portion enlarged drawing of Fig. 1.
Embodiment
Embodiment one: as depicted in figs. 1 and 2; The passenger car bogie of this embodiment simulation dynamic test platform comprises base 1, two one slide rails 2, two sliding platforms 3, two driving mechanisms 6, portal frame 13, side force hydraulic loading device 8, hydraulic jack 11 and pressure heads 12; Said portal frame 13 is made up of first column 7, second column 9 and crossbeam 10; Said first column 7 is relative with second column 9 to be packed on the upper surface of base 1, and the upper end of said first column 7 fixes as one through the upper end of the crossbeam 10 and second column 9; Said two one slide rails 2 are set in parallel on the upper surface of base 1 and between first column 7 and second column 9; Said two one slide rails 2 and portal frame 13 vertical settings; Said two sliding platforms 3 are installed on two one slide rails 2; Each sliding platform 3 is provided with a driving mechanism 6; Driving mechanism 6 comprises motor 6-1; Transmission shaft 6-2; Braked wheel 6-3; Two bearing seat 6-4 and two driving wheel 6-5; Said motor 6-1 and two bearing seat 6-4 are fixed on the upper surface of sliding platform 3 along the length direction of sliding platform 3; Said transmission shaft 6-2 is installed on two bearing seat 6-4; The end of the output shaft of motor 6-1 and transmission shaft 6-2 is affixed; Said two driving wheel 6-5 are solidly set on the transmission shaft 6-2; Said braked wheel 6-3 is solidly set on the transmission shaft 6-2 and between two driving wheel 6-5; The upper end of said hydraulic jack 11 is installed on the crossbeam 10; The lower end of said hydraulic jack 11 is equipped with pressure head 12; Said side force hydraulic loading device 8 comprises lifting hydraulic cylinder 8-1; Slide block 8-2; Back up pad 8-3; Horizontal hydraulic cylinder 8-4 and two slideway 8-5; Said first column 7 is provided with cavity 7-1; Said lifting hydraulic cylinder 8-1 vertically is installed in the cavity 7-1 of first column 7; Said slide block 8-2 is packed in the upper end of lifting hydraulic cylinder 8-1; Two slideway 8-5 opposing parallel are packed on the inwall of first column 7; Said slide block 8-2 and two slideway 8-5 are slidingly connected; The end of said back up pad 8-3 is packed on the slide block 8-2; Said horizontal hydraulic cylinder 8-4 is packed on the upper surface of back up pad 8-3; The end of said horizontal hydraulic cylinder 8-4 is connected with slide block 8-2, and the other end of said horizontal hydraulic cylinder 8-4 is connected with pressure head 12.
Said two sliding platforms 3 can slide along two one slide rails 2, and the spacing between two sliding platforms 3 is adjustable, can test the passenger car bogie of different model.
Embodiment two: as shown in Figure 1, the said dynamic test platform of this embodiment also comprises a plurality of damping lower margins 14, and said a plurality of damping lower margins 14 are packed on the lower surface of base 1.So design can be played cushioning effect, makes dynamic test platform of the present invention stable, has prolonged the serviceable life of dynamic test platform of the present invention.Other composition is identical with embodiment one with annexation.
Principle of work:
On four the driving wheel 6-5s of passenger car bogie through rail guidance to two driving mechanism 6; Driving hydraulic jack 11 simultaneously locatees passenger car bogie through pressure head 12; Drive 11 pairs of passenger car bogies of hydraulic jack then and carry out vertical power loading, promptly simulate the railway passenger train self gravitation; Regulate horizontal hydraulic cylinder 8-4 through lifting hydraulic cylinder 8-1 and be in horizontality, drive horizontal hydraulic cylinder 8-4 then and carry out the side force loading, the centripetal force when promptly simulating the railway passenger train turning to pressure head 12; The output shaft that drives two motor 6-1 rotates synchronously; The output shaft rotation of motor 6-1 drives corresponding transmission shaft 6-2 rotation; Transmission shaft 6-2 rotation drives corresponding two driving wheel 6-5 and rotates; Promptly four driving wheel 6-5 rotate synchronously; Thereby the wheel on the drive passenger car bogie; When the vehicle wheel rotational speed on the passenger car bogie reaches the travelling speed of passenger vehicle vehicle reality, at any time experimental data is monitored through sensor or instrument.
Claims (2)
1. a passenger car bogie is simulated the dynamic test platform; Said dynamic test platform comprises base (1), two one slide rails (2), two sliding platforms (3), two driving mechanisms (6), portal frame (13), side force hydraulic loading device (8), hydraulic jack (11) and pressure head (12); Said portal frame (13) is made up of first column (7), second column (9) and crossbeam (10); Said first column (7) is relative with second column (9) to be packed on the upper surface of base (1), and the upper end of said first column (7) fixes as one through the upper end of crossbeam (10) with second column (9); It is characterized in that: said two one slide rails (2) are set in parallel on the upper surface of base (1) and are positioned between first column (7) and second column (9); Said two one slide rails (2) and the vertical setting of portal frame (13); Said two sliding platforms (3) are installed on two one slide rails (2); Each sliding platform (3) is provided with a driving mechanism (6); Driving mechanism (6) comprises motor (6-1); Transmission shaft (6-2); Braked wheel (6-3); Two bearing seats (6-4) and two driving wheels (6-5); Said motor (6-1) and two bearing seats (6-4) are fixed on the upper surface of sliding platform (3) along the length direction of sliding platform (3); Said transmission shaft (6-2) is installed on two bearing seats (6-4); One end of the output shaft of motor (6-1) and transmission shaft (6-2) is affixed; Said two driving wheels (6-5) are solidly set on the transmission shaft (6-2); Said braked wheel (6-3) is solidly set on the transmission shaft (6-2) and is positioned between two driving wheels (6-5); The upper end of said hydraulic jack (11) is installed on the crossbeam (10); The lower end of said hydraulic jack (11) is equipped with pressure head (12); Said side force hydraulic loading device (8) comprises lifting hydraulic cylinder (8-1); Slide block (8-2); Back up pad (8-3); Horizontal hydraulic cylinder (8-4) and two slideways (8-5); Said first column (7) is provided with cavity (7-1); Said lifting hydraulic cylinder (8-1) vertically is installed in the cavity (7-1) of first column (7); Said slide block (8-2) is packed in the upper end of lifting hydraulic cylinder (8-1); Two slideways (8-5) opposing parallel is packed on the inwall of first column (7); Said slide block (8-2) is slidingly connected with two slideways (8-5); One end of said back up pad (8-3) is packed on the slide block (8-2); Said horizontal hydraulic cylinder (8-4) is packed on the upper surface of back up pad (8-3); One end of said horizontal hydraulic cylinder (8-4) is connected with slide block (8-2), and the other end of said horizontal hydraulic cylinder (8-4) is connected with pressure head (12).
2. passenger car bogie simulation dynamic test platform according to claim 1, it is characterized in that: said dynamic test platform also comprises a plurality of damping lower margins (14), said a plurality of damping lower margins (14) are packed on the lower surface of base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102884338A CN102346101A (en) | 2011-09-26 | 2011-09-26 | Dynamic loading simulation test-bed of passenger car bogie |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102884338A CN102346101A (en) | 2011-09-26 | 2011-09-26 | Dynamic loading simulation test-bed of passenger car bogie |
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| CN102346101A true CN102346101A (en) | 2012-02-08 |
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| CN2011102884338A Pending CN102346101A (en) | 2011-09-26 | 2011-09-26 | Dynamic loading simulation test-bed of passenger car bogie |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928239A (en) * | 2012-10-17 | 2013-02-13 | 集美大学 | Experimental rack and experimental platform for testing multi-axle steering |
| CN102962590A (en) * | 2012-11-27 | 2013-03-13 | 宁波金凤焊割机械制造有限公司 | Support type portal frame for carrying laser |
| CN107014627A (en) * | 2017-05-23 | 2017-08-04 | 北京科技大学 | Wheel shaft fatigue experimental device and method |
| CN108709753A (en) * | 2018-07-26 | 2018-10-26 | 石家庄华燕交通科技有限公司 | The system that steering and front and back wheel synchronize in simulating vehicle traveling |
| CN111504658A (en) * | 2020-04-28 | 2020-08-07 | 宝武集团马钢轨交材料科技有限公司 | Elastic wheel performance testing tool and testing method |
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| RU2267764C1 (en) * | 2004-04-08 | 2006-01-10 | Елецкий государственный университет им. И.А. Бунина | Rail car bogie diagnostic stand |
| CN101216376A (en) * | 2008-01-16 | 2008-07-09 | 吉林大学 | Four-column type rail vehicle bogie rigidity detection system |
| CN201251509Y (en) * | 2008-09-17 | 2009-06-03 | 西南交通大学 | Fatigue strength tester of bogie |
| JP2009186363A (en) * | 2008-02-07 | 2009-08-20 | Hitachi Plant Technologies Ltd | Truck travel test device |
| CN202204692U (en) * | 2011-09-26 | 2012-04-25 | 哈尔滨振兴铁路科技开发有限公司 | Passenger car bogie simulating dynamic loading test platform |
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2011
- 2011-09-26 CN CN2011102884338A patent/CN102346101A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2267764C1 (en) * | 2004-04-08 | 2006-01-10 | Елецкий государственный университет им. И.А. Бунина | Rail car bogie diagnostic stand |
| CN101216376A (en) * | 2008-01-16 | 2008-07-09 | 吉林大学 | Four-column type rail vehicle bogie rigidity detection system |
| JP2009186363A (en) * | 2008-02-07 | 2009-08-20 | Hitachi Plant Technologies Ltd | Truck travel test device |
| CN201251509Y (en) * | 2008-09-17 | 2009-06-03 | 西南交通大学 | Fatigue strength tester of bogie |
| CN202204692U (en) * | 2011-09-26 | 2012-04-25 | 哈尔滨振兴铁路科技开发有限公司 | Passenger car bogie simulating dynamic loading test platform |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928239A (en) * | 2012-10-17 | 2013-02-13 | 集美大学 | Experimental rack and experimental platform for testing multi-axle steering |
| CN102928239B (en) * | 2012-10-17 | 2015-04-29 | 集美大学 | Experimental rack and experimental platform for testing multi-axle steering |
| CN102962590A (en) * | 2012-11-27 | 2013-03-13 | 宁波金凤焊割机械制造有限公司 | Support type portal frame for carrying laser |
| CN107014627A (en) * | 2017-05-23 | 2017-08-04 | 北京科技大学 | Wheel shaft fatigue experimental device and method |
| CN108709753A (en) * | 2018-07-26 | 2018-10-26 | 石家庄华燕交通科技有限公司 | The system that steering and front and back wheel synchronize in simulating vehicle traveling |
| CN111504658A (en) * | 2020-04-28 | 2020-08-07 | 宝武集团马钢轨交材料科技有限公司 | Elastic wheel performance testing tool and testing method |
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Application publication date: 20120208 |