CN203929406U - Rail vehicle truck steering resistance property determination test device - Google Patents
Rail vehicle truck steering resistance property determination test device Download PDFInfo
- Publication number
- CN203929406U CN203929406U CN201420286525.1U CN201420286525U CN203929406U CN 203929406 U CN203929406 U CN 203929406U CN 201420286525 U CN201420286525 U CN 201420286525U CN 203929406 U CN203929406 U CN 203929406U
- Authority
- CN
- China
- Prior art keywords
- bogie
- weight box
- platform
- test
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of rail vehicle truck steering resistance property determination test device, comprise basic platform, four wheels are to stationary installation, portal frame, rotation axis, weight box, two longitudinal actuator, upper force plate/platform, wheel is fixed on basic platform stationary installation, jig is arranged on being made up of two spill cell bodies corresponding to opening of three-dimensional strength measurement platform above, jig is right for the wheel of fixing bogie, three-dimensional strength measurement platform is for measuring the right axle weight of wheel, portal frame is fixed on basic platform top, the crossbeam center connection of rotating axle of portal frame, rotation axis lower end connects weight box, two upper force plate/platforms are equipped with in the lower end of weight box, for measuring the turning power of bogie gyration process, two longitudinal actuator E are fixed on weight box side.Utilize said apparatus to carry out the test of bogie gyroscopic characteristics, bogie maintains static, with weight box simulation car body, drive the gyration of weight box simulation car body by actuator, realized single bogie is carried out to gyroscopic characteristics determination test, overcome the measuring error that the transmission of multistage power value brings, test accuracy is high, test unit is simple, low cost of manufacture.
Description
Technical field
The utility model relates to rail vehicle detection field, particularly relates to rail vehicle truck gyroscopic characteristics test macro field.
Background technology
Rail vehicle is just towards high-speed overload develop rapidly, the important performance indexes such as security, stability and the stationarity of train operation are very crucial in the design optimization of bogie, wherein steering resistance can reflect rail vehicle curve negotiation ability, and there is close relationship with rate of wheel load reduction, therefore study steering resistance square most important to bogie product design.
At present, domestic bogie gyroscopic characteristics test macro is also few, is mainly to rely on parameter of bogie testing table to test, as the rail vehicle truck test board (patent No.: ZL200610022671.3 of Southwest Jiaotong University; Granted publication number: CN100445721C; ) and Jilin University's patent four-column type rail vehicle bogie rigidity test macro (patent No.: ZL200810050261.9; Granted publication number: CN101216376B; ) etc., but Design of Test System complex structure is not tested bogie gyroscopic characteristics pointedly, thus reduce the precision of experimental test, can not truly reflect the gyroscopic characteristics of vehicle.
Patent name is rail vehicle truck gyroscopic characteristics test macro, the patent No.: Zl2012 20 632364.8, a kind of independent bogie gyroscopic characteristics test macro is disclosed, this system drives bogie to do gyration by rotating lower platform, has realized the Accurate Measurement of gyroscopic characteristics under car load completion state.But can not realize, single bogie is carried out to gyroscopic characteristics test, and what test macro obtained is the overall gyroscopic characteristics curve of bogie and test platform, also need to do poorly with the calibration curve of testing table if obtain the gyroscopic characteristics of bogie, increased the error of test.
Utility model content
The purpose of this utility model is to overcome the above-mentioned defect of prior art, provides a kind of novel bogie steering resistance proving installation, to realize the steering resistance characteristic of the single bogie of direct measurement.
For achieving the above object, the utility model provides a kind of rail vehicle truck steering resistance property determination test device, it is characterized in that: comprise basic platform, four wheels are to stationary installation, portal frame, rotation axis, weight box, two longitudinal actuator, upper force plate/platform, wheel comprises three-dimensional strength measurement platform and jig to stationary installation, jig is arranged on being made up of two spill cell bodies corresponding to opening of three-dimensional strength measurement platform above, three-dimensional strength measurement platform is fixed on basic platform according to the position of bogie four wheels is corresponding, jig is right for the wheel of fixing bogie, three-dimensional strength measurement platform is for measuring the right axle weight of wheel, portal frame is fixed on basic platform top, the crossbeam center connection of rotating axle of portal frame, rotation axis lower end connects weight box, two upper force plate/platforms are equipped with in the lower end of weight box, for measuring the turning power of bogie gyration process, two longitudinal actuator are fixed on weight box side.
The utility model beneficial effect is compared with prior art:
The utility model is placed directly in the three-dimensional force transducer on upper force plate/platform between bogie and weight box, bogie maintains static, with weight box simulation car body, drive the gyration of weight box simulation car body by actuator, and the gyroscopic characteristics of simulating under different vehicle load, different empty spring state is measured, can directly measure bogie all directions stressing conditions, directly calculate bogie steering resistance square by the output valve of power sensor.This test approaches the state of actual motion more, has realized single bogie is carried out to gyroscopic characteristics determination test, has overcome the measuring error that the transmission of multistage power value brings, and test accuracy has had large increase, and test unit is simply effective, low cost of manufacture.
Brief description of the drawings
Fig. 1 is steering resistance proving installation bogie completion test effect sketch described in the utility model;
Fig. 2 is steering resistance proving installation structure explosive view described in the utility model;
Fig. 3 is rotating part axonometric drawing described in the utility model;
Fig. 4 is that the utility model wheel is surveyed installation diagram to stationary installation axle;
Fig. 5 is the relation curve of the normal 0.2 °/s of sky spring steering resistance square and angle of revolution;
Fig. 6 is the relation curve of the normal 1 °/s of sky spring steering resistance square and angle of revolution;
Fig. 7 is the relation curve that sky spring loses gas 0.2 °/s steering resistance square and angle of revolution.
In figure: I-basic platform, the tested bogie of II-, A-portal frame, B-central shaft, C-weight box, the upper force plate/platform of D-, the longitudinal actuator of E-, F-takes turns stationary installation, G-displacement sensor position, 1-head bearing, 2-lower bearing, 3-crossbeam, 4-heel post, 5-connects column, 6-three-dimensional strength measurement platform, 7-jig, 8-wheel is right.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1-2, test unit described in the utility model comprises basic platform I, four wheels are to stationary installation F, portal frame A, rotation axis B, weight box C, two longitudinal actuator E, upper force plate/platform D, wheel comprises three-dimensional strength measurement platform 6 and jig 7 to stationary installation, the three-dimensional strength measurement platform above that jig is arranged on three-dimensional strength measurement platform is fixed on basic platform according to the position of bogie four wheels is corresponding, jig is right for the wheel of fixing bogie, three-dimensional strength measurement platform is for measuring the right axle weight of wheel, portal frame is fixed on basic platform top, the crossbeam center connection of rotating axle B of portal frame, rotation axis B lower end connects weight box C, two upper force plate/platform D are equipped with in the lower end of weight box C, for measuring the turning power of tested bogie II gyration process, two longitudinal actuator E are fixed on weight box C side.
As shown in Figure 3, the rotary system that the common composition of portal frame A, central shaft B and weight box C can rotate around the axis.Portal frame A is made up of heel post 4, connection column 5 and adjustable for height crossbeam 3, together with its middle cross beam 3 is bolted with connection column 5; The sliding bearing 1 at rotation axis B two ends is connected with crossbeam 3 and weight box C respectively with 2, thereby realizes moving around axle of weight box; Weight box C can load the load-carrying of the counterweight simulation car body of Different Weight.In the lower end of weight box C, force plate/platform D is housed, links together by bolt and weight box.Two longitudinal actuator E one end are bolted on weight box C, longitudinally the actuator E other end fixes on the cast iron platform or track being embedded in basis, realize weight box by the staggered stretching motion of two longitudinal actuator and do gyration around central shaft, the revolution of simulation car body.
As shown in Figure 4, it is upper that wheel is arranged on basic platform I to the three-dimensional strength measurement platform 6 in stationary installation by T-shaped bolt, and four three-dimensional strength measurement platforms are housed on basic platform I altogether, is distributed in the below of four wheels of bogie, for measuring the axle weight of bogie; Jig 7 is installed on three-dimensional strength measurement platform 6, jig 7 is made up of two spill cell bodies corresponding to opening, bilaterally-chucked wheel by two jigs 7 at wheel, ensures that in turning course, bogie maintains static, and jig base can be adjusted position fixing according to different automobile types.
Use the concrete process of the test of above-mentioned steering resistance proving installation as follows:
Test condition: bogie adopts air spring, wheel-base bogie is 2a, the axle of vehicle under empty wagons and loaded vehicle state is heavy known, air spring normal, to overcharge and lose under three kinds of states of gas the height value from bogie upper surface to rail level known, angle of revolution and speed of gyration are known.
Because this test method is the steering resistance that direct-detection goes out bogie, the not steering resistance of existence foundation platform self, so without considering platform self demarcation situation.
1. four wheels are fixed by bolts to basic platform I to the three-dimensional strength measurement platform 6 of stationary installation F upper, bogie is pushed on three-dimensional strength measurement platform 6; By jig 7, four wheels of bogie are fixed on to basic platform I upper, ensure that in turning course, bogie maintains static;
2. the horizontal depth of beam of portal frame need be adjusted according to the height of tested bogie, and weight box can be dropped on the bolster of bogie, and upper force plate/platform D is connected and fixed by bolt and truck bolster;
3. counterweight is added in weight box, monitor the power value of the sensor output on three-dimensional strength measurement platform simultaneously, calculate the heavy F=m*a of real-time axle, make it reach the axle of bogie under empty wagons or loaded vehicle state and be heavily worth;
4. be the rail vehicle of equipment air spring equipment due to test vehicle, need to make air spring arrive normally, overcharge and lose the required height value of gaseity by adjusting altitude valve, in the time that empty spring is in normal condition, vehicle should remain under calibrated altitude, when ensureing the empty spring in the left and right sides in the time losing gaseity, empty spring all loses gas, in the time being in the excessive state of inflation, should ensure that the height of had sky spring is identical, before and after test, empty spring is carried out to supporting capacity test, require car body dropping distance within the required time of test to be no more than 5mm;
5. the measuring point of displacement transducer will be arranged in G place, weight box two ends 2 points, ensure that two displacement transducer level heights are identical, make displacement transducer can measure in real time 2, the G place distance of longitudinally moving on weight box, measure two distances between Sensor G, to ensure to calculate accurately the angle of revolution of platform, need to measure two distances between upper force plate/platform simultaneously, be used for asking for steering resistance square;
Drive two longitudinal actuator crisscross motions by hydraulic servo control system, drive weight box car body to rotatablely move centered by rotation axis, start actuator, setup parameter, triangular wave form loads continuously, between two actuator, phase phasic difference 180 is spent, require to set angle of revolution, speed of gyration according to test program, in test process speed of gyration constant be spend/second 0.2 degree/second and 1.
Taking 380BL car as example, utilize this test unit to carry out the test of bogie steering resistance characteristic measurement, testing vehicle is being reorganized and outfit state, air spring is respectively 0.2 °/s and 1 °/s in normal condition, speed of gyration, air spring loses gaseity, speed of gyration is 0.2 °/s, angle of revolution is to turn round drag characteristic under 3.5 °, and analyzes different velocities of rotation, the impact of empty spring state on steering resistance coefficient.
With reference to the regulation of EN14363, under 0.2 °/sec speed of gyration condition, the steering resistance coefficient of vehicle under normal operating condition should
, overcharge state and vow that the steering resistance coefficient under gaseity should at air spring
.
According to above-mentioned specific implementation process, bogie is pushed to test platform, make wheel to horizontal and vertical fixing by jig, upper mounting plate weight box simulating vehicle is reorganized and outfit under condition bogie applied pressure, and measure two centre distances between upper force plate/platform, carry out pre-stage test work.Undertaken by following three operating modes according to testing requirements test:
1. adjusting altitude valve makes air spring arrive the required height value of normal condition; At 2, G place, weight box two ends layout displacement transducer, and measure two distances between Sensor G; Utilize hydraulic servo control system to drive two longitudinal actuator stretching motions to realize weight box and bogie is done to revolution load, setting angle of revolution and be 3.5 °, speed of gyration is 0.2 °/s; In triplicate, each test gathers the data in five cycles in test, and post-test-inspection bogie upper surface, apart from the height on ground, is guaranteed, at test process hollow spring, obvious gas leakage does not occur.
2. adjusting altitude valve makes air spring arrive the required height value of normal condition; At 2, G place, weight box two ends layout displacement transducer, and measure two distances between Sensor G; Utilize hydraulic servo control system to drive two longitudinal actuator stretching motions to realize weight box and bogie is done to revolution load, setting angle of revolution and be 3.5 °, speed of gyration is 1 °/s; In triplicate, each test gathers the data in five cycles in test, and post-test-inspection bogie upper surface, apart from the height on ground, is guaranteed, at test process hollow spring, obvious gas leakage does not occur.
3. adjusting altitude valve makes air spring arrive the required height value of mistake gaseity; At 2, G place, weight box two ends layout displacement transducer, and measure two distances between Sensor G; Utilize hydraulic servo control system to drive two longitudinal actuator stretching motions to realize weight box and bogie is done to revolution load, setting angle of revolution and be 3.5 °, speed of gyration is 0.2 °/s; In triplicate, each test gathers the data in five cycles in test, and post-test-inspection bogie upper surface, apart from the height on ground, is guaranteed, at test process hollow spring, obvious gas leakage does not occur.
The upper force plate/platform obtaining by above working condition measurement, the data of displacement transducer and three-dimensional strength measurement platform, can obtain relation curve and the steering resistance coefficient of steering resistance square and angle of revolution through above-mentioned data processing and analysis, test findings is as Fig. 5, Fig. 6, Fig. 7, Fig. 5 is sky spring normal condition, speed of gyration is the steering resistance square that obtains of 0.2 °/s and the relation curve of angle of revolution, Fig. 6 is sky spring normal condition, speed of gyration is the steering resistance square that obtains of 1 °/s and the relation curve of angle of revolution, Fig. 7 is that sky spring loses gaseity, speed of gyration is the steering resistance square that obtains of 0.2 °/s and the relation curve of angle of revolution, wherein horizontal ordinate is angle of revolution, unit is degree, ordinate is flywheel moment, unit is NM, middle straight line is the fitting a straight line of steering resistance square and angle of revolution.From Fig. 5, Fig. 6, velocity of rotation is faster, and steering resistance square is larger; From Fig. 5, Fig. 7, empty spring loses under the distribution of gaseity lower curve and the normal shape of empty spring and differs greatly, empty spring is to lose under gaseity flywheel moment more obvious with the relation curve lagging characteristics of angle of revolution, and empty spring loses gaseity lower curve and pass through poor-performing, and safety indexes is lower.
Table 2 steering resistance coefficient test result
As seen from the experiment, bogie all meets the requirement of standard EN 14363 to steering resistance coefficient under above three kinds of operating modes.Meanwhile, bogie loses and under gaseity, turns round resistance coefficient and be less than bogie turn round resistance coefficient under empty spring normal condition at empty spring, and bogie steering resistance coefficient becomes and increases greatly with speed of gyration.
Claims (1)
1. a rail vehicle truck steering resistance property determination test device, it is characterized in that: comprise basic platform, four wheels are to stationary installation, portal frame, rotation axis, weight box, two longitudinal actuator, upper force plate/platform, wheel comprises three-dimensional strength measurement platform and jig to stationary installation, jig is arranged on being made up of two spill cell bodies corresponding to opening of three-dimensional strength measurement platform above, three-dimensional strength measurement platform is fixed on basic platform according to the position of bogie four wheels is corresponding, jig is right for the wheel of fixing bogie, three-dimensional strength measurement platform is for measuring the right axle weight of wheel, portal frame is fixed on basic platform top, the crossbeam center connection of rotating axle of portal frame, rotation axis lower end connects weight box, two upper force plate/platforms are equipped with in the lower end of weight box, for measuring the turning power of bogie gyration process, two longitudinal actuator are fixed on weight box side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286525.1U CN203929406U (en) | 2014-05-30 | 2014-05-30 | Rail vehicle truck steering resistance property determination test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286525.1U CN203929406U (en) | 2014-05-30 | 2014-05-30 | Rail vehicle truck steering resistance property determination test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929406U true CN203929406U (en) | 2014-11-05 |
Family
ID=51825206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420286525.1U Withdrawn - After Issue CN203929406U (en) | 2014-05-30 | 2014-05-30 | Rail vehicle truck steering resistance property determination test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203929406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034540A (en) * | 2014-05-30 | 2014-09-10 | 长春轨道客车股份有限公司 | Railway vehicle bogie steering resistance characteristic determination test device and method |
-
2014
- 2014-05-30 CN CN201420286525.1U patent/CN203929406U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034540A (en) * | 2014-05-30 | 2014-09-10 | 长春轨道客车股份有限公司 | Railway vehicle bogie steering resistance characteristic determination test device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104034540A (en) | Railway vehicle bogie steering resistance characteristic determination test device and method | |
| CN105651495B (en) | Swing arm class part durability degree test-bed | |
| CN1839302B (en) | Test bench and method for carrying out aerodynamic measurements on vehicles | |
| CN105180965A (en) | Triaxial ship attitude angle analogue simulation test platform | |
| CN105466619B (en) | Bearing frictional behavior measuring device and method are waved under Axial and radial load collective effect | |
| CN101886982B (en) | Multifunctional vehicle dynamics dynamical characteristic test bed with loading device | |
| CN109612929B (en) | Test device and method for researching friction characteristics between tire and actual road surface | |
| CN104729863A (en) | Multifunctional road detection device and test method for tires | |
| CN103604561A (en) | Calibration device and method of six-axis force/torque sensor | |
| CN102620888B (en) | Heavy vehicle mass and mass center detection device | |
| CN101893517A (en) | Automobile stability parameter test bench and test method using same | |
| CN209485945U (en) | A kind of experimental rig of study of tire and practical pavement friction characteristic | |
| CN202836915U (en) | Single-leg impact control experiment platform for robot | |
| CN105277374B (en) | A kind of Electric Motor Wheel with Plumb load function is comprehensive performance test bed | |
| CN105403386A (en) | Rotor experiment table with centering adjustment and detection functions | |
| US4489598A (en) | Tire rolling resistance measurement system | |
| CN106742056A (en) | It is a kind of to automatically adjust the aircraft jack for eliminating side force | |
| CN103592077B (en) | Automobile inertial parameter measurement test bed and automobile inertial parameter dynamic calculation method | |
| CN203929406U (en) | Rail vehicle truck steering resistance property determination test device | |
| CN104502125A (en) | Vehicle suspension performance test bench | |
| CN105606380B (en) | A kind of tire six square phase test device for eliminating unbalance loading | |
| CN104062092A (en) | Measurement mechanism in ship model spiral arm tests | |
| CN208855888U (en) | A kind of novel brake and dynamic test stand | |
| CN205449360U (en) | Axle sways bearing friction characteristic measuring device under radial load combined action | |
| CN202793661U (en) | Bogie rotational resistance moment test bench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160720 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |