CN102928241B - Method for examining and testing mechanical interfaces of vehicle body and bogies - Google Patents
Method for examining and testing mechanical interfaces of vehicle body and bogies Download PDFInfo
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- CN102928241B CN102928241B CN201210351617.9A CN201210351617A CN102928241B CN 102928241 B CN102928241 B CN 102928241B CN 201210351617 A CN201210351617 A CN 201210351617A CN 102928241 B CN102928241 B CN 102928241B
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Abstract
The invention relates to a method for examining mechanical interfaces of a vehicle body and bogies. The method is implemented on the basis of a movable platform, a track-gauge-variable track and a hydraulic actuator of a bogie parameter test bed and comprises the following steps of: arranging one bogie of a vehicle on a track-gauge-variable fixed track, and arranging the other bogie of the vehicle on the track-gauge-variable track of the bogie parameter test bed; fixing a support on a ground platform beside the movable platform; fixing the hydraulic actuator on the support for driving the vehicle body to move transversely; allowing each bogie and the vehicle body to generate a rotation angle by controlling the hydraulic actuator of the movable platform; and driving the vehicle body to move transversely by controlling the hydraulic actuator which is fixed on a ground support, so that the aim of examining the mechanical interfaces of the vehicle body and the bogies is fulfilled. By the method, test conditions can be thoroughly simulated, testing time and testing cost are saved, and the testing efficiency is improved; and the method can be widely used for examining and testing the mechanical interfaces of the vehicle body and the bogies of different projects both in China and abroad.
Description
Technical field
The present invention relates to a kind of car body and bogie mechanical interface check test method, be applicable to the car body of various rail vehicle and the check test of bogie mechanical interface.
Background technology
Vehicle body of railway vehicle and bogie mechanical interface check test check car body and bogie under various suspension operating mode by interference during little curve, length of pipeline situation.
When vehicle is by little curve, certain corner and traversing can be produced between bogie and car body, as Fig. 1, the size of corner is relevant with length between truck centers 2A with sweep R, vehicle is by producing centrifugal force during curve simultaneously, causes between bogie and car body and produces traversing d, when carrying out car body and bogie mechanical interface check test, sweep R generally calculates according to circuit least radius, and traversing amount d is generally in conservative consideration, and to get two be that horizontal shelves Elastic penetration adds backstop sum.In Fig. 1,1 is the first bogie, and 2 is the 2nd bogie, and 3 is car body.
Because the smallest curve radius of each project is different, the sweep of each project is not met in factory, as shown in Figure 2, car body and bogie mechanical interface check test utilize assembly shop 4 and connected movably leading on ride 5 to carry out, during test, vehicle bogie is placed on track that assembly shop specifies outward, another bogie is placed in and leads on ride track, the corner α that simulation bogie and car body produce is reached by mobile ride certain distance L 0 of leading, current method Problems existing be can only simulation curve by time bogie and the corner that produces of car body, can not simulating vehicle by during curve due to centrifugal force bogie and car body are produced traversing, and it is due to general assembly and lead ride and only have standard gauge track, therefore standard gauge carbody and the inspection of bogie mechanical interface can only be carried out.
Summary of the invention
The technical problem to be solved in the present invention is not enough for prior art, proposes a kind of car body and bogie mechanical interface check test method, realizes bogie relative to the traversing problem of modelling of car body, to shorten test period, saves experimentation cost.
The present invention is the technical scheme solving the problems of the technologies described above proposition: car body and bogie mechanical interface check test method, it is characterized in that: utilize a kind of interface check device to realize, described interface check device composition comprises the first track fixed on the ground, the movable platform that can horizontally rotate, be fixed on the second track in movable platform, for promoting the spinning movement mechanism that described movable platform is rotated, for promoting the crosswise movement mechanism of vehicle generation lateral excursion, described first track, second track is in same level, check test method comprises the steps:
The first step, according to track circuit smallest curve radius R, length between truck centers 2A, car body maximum sideslip amount d, determine that the maximal phase of bogie and car body is to angle of rotation α;
Second step, install twilight orbit for connecting the first track and the second track;
3rd step, by vehicle along interface check device on track, the bogie pivot center on the second track is positioned at directly over the rotating shaft of movable platform, and removes twilight orbit;
4th step, with wheel fixing device, the wheel of bogie in movable platform all to be fixed;
5th step, control crosswise movement mechanism action, promote car body and be offset to specified amount; Control spinning movement mechanism action, rotate movable platform to specified angle;
6th step, check the mechanical connecting element states such as gap between car body and bogie and pipeline;
Initial position is got back to by 7th step, crosswise movement mechanism, spinning movement mechanism;
8th step, install twilight orbit for connecting the first track and the second track;
9th step, remove wheel fixing device, vehicle of backing off completes test.
Further improvement of the present invention is:
1, after the 7th step is finished, controls spinning movement mechanism action, rotate backward movable platform to specified angle; Control crosswise movement mechanism action, promote car body and be offset to specified amount; The mechanical connecting element states such as the gap then again between inspection car body and bogie and pipeline.
2, described movable platform by vertical center rotating bearing pin and around center rotating bearing pin arrange ball rotate be located on a base, spinning movement mechanism is hydraulic rotating action device, pressure spinning movement device lays respectively at center rotating bearing pin front and back by two and the first hydraulic cylinder arranged shoulder to shoulder, the second hydraulic cylinder
3, the output terminal of described first hydraulic cylinder, the second hydraulic cylinder be connected with movable platform crosswise movement mechanism comprise be arranged at ground hold-down support, be arranged on hydraulic transverse on described hold-down support to actuator, described hydraulic transverse above the second track of movable platform, promotes car body for horizontal to the delivery level of actuator.
4, described hydraulic transverse stretches out direction and the first race orthogonal to the delivery of actuator.
5, described hold-down support is fixed on the ground by grooved rail.
6, described grider rail and the first parallel track.
7, described base is fixed in foundation ditch.
8, described first track, the second track are the adjustable track of gauge.
The present invention realizes the corner of bogie and car body by controlling the hydraulic actuator of movable platform, realize the traversing of car body by the hydraulic actuator on control ground support, reaches the object that car body and bogie mechanical interface check.This test method can simulation test condition completely, saves test period, improves test efficiency, save experimentation cost, can apply to car body and the bogie mechanical interface check test of domestic and international disparity items widely.
Accompanying drawing explanation
Be described further of the present invention below in conjunction with accompanying drawing.
Fig. 1 car body and bogie corner calculating chart.
The existing car body of Fig. 2 and bogie mechanical interface testing fixture structural representation.
Fig. 3 is the inventive method equipment therefor trystate one plan structure schematic diagram.
Fig. 4 is the inventive method equipment therefor trystate side TV structure schematic diagram.
Fig. 5 is the inventive method equipment therefor trystate two plan structure schematic diagram.
Embodiment
The present embodiment car body and bogie mechanical interface check test method utilize a kind of interface check device to realize, this interface check device is as shown in Fig. 3, Fig. 4, Fig. 5, composition comprise the first track 6 fixed on the ground, the movable platform 7 that can horizontally rotate, be fixed in movable platform 7 the second track 8, for promote movable platform 7 rotate spinning movement mechanism, for promoting the crosswise movement mechanism of vehicle generation lateral excursion, described first track 6, second track 8 is in same level.Movable platform 7 by vertical center rotating bearing pin 9 and around center rotating bearing pin arrange ball 10 rotate be located on a base 11, spinning movement mechanism is hydraulic rotating action device, hydraulic rotating action device lays respectively at center rotating bearing pin 9 front and back by two and the output terminal of the first hydraulic cylinder 12, second hydraulic cylinder 13, first hydraulic cylinder 12, second hydraulic cylinder 13 arranged shoulder to shoulder is connected with movable platform 7.In Fig. 1,17 is twilight orbit, in order to connect the first track 6 and the second track 8.The crosswise movement mechanism of device comprise be arranged at ground hold-down support 14, be arranged on hydraulic transverse on described hold-down support 14 to actuator 15, hydraulic transverse above the second track 8 of movable platform 7, promotes car body 3 for horizontal to the delivery level of actuator 15.It is vertical with the first track 6 that hydraulic transverse stretches out direction to the delivery of actuator 15.Hold-down support 14 is fixed on the ground by grooved rail 18.By regulating the fixed position of hold-down support 14 on grider rail 18, regulate the position promoting car body.Base 11 is fixed in foundation ditch 16.First track 6, second track 8 is the adjustable track of gauge.
Particular exam test method comprises the steps:
The first step, according to track circuit smallest curve radius R=150m, length between truck centers 2A=15.7m, car body maximum sideslip amount d=25mm, determine that the maximal phase of bogie and car body is to angle of rotation α,
And according to actuator span 2B=3m, calculate actuator stroke L4=Bsina=78.5mm, the initial length L1=0.5m of horizontal actuator, half L2=1.5m of width of the carbody, calculate hold-down support apart from movable platform distance L3=L1+L2=2.0m;
Second step, install twilight orbit for connecting the first track and the second track;
3rd step, by vehicle along interface check device on track, the bogie pivot center on the second track is positioned at directly over the rotating shaft of movable platform, and removes twilight orbit;
4th step, with wheel fixing device, the wheel of bogie in movable platform all to be fixed;
5th step, hold-down support is arranged on position apart from movable platform L3=2.0m, and controls crosswise movement mechanism action, promote car body offset d=25mm; Control spinning movement mechanism action, the first hydraulic cylinder 12 is pulled back L4=78.5mm, and the second hydraulic cylinder 13 releases L4=78.5mm, makes movable platform rotate 3 °.
6th step, check the mechanical connecting element states such as gap between car body and bogie and pipeline;
Initial position is got back to by 7th step, crosswise movement mechanism, spinning movement mechanism;
8th step, install twilight orbit for connecting the first track and the second track;
9th step, remove wheel fixing device, vehicle of backing off completes test.
After 7th step is finished, controls spinning movement mechanism action, rotate backward movable platform to specified angle; Control crosswise movement mechanism action, promote car body and be offset to specified amount; The mechanical connecting element states such as the gap then again between inspection car body and bogie and pipeline.
Forward and reverse all detect after namely complete.
The present invention is not limited to above-described embodiment.All employings are equal to the technical scheme of replacing and being formed, and all drop on the protection domain of application claims.
Claims (9)
1. car body and bogie mechanical interface check test method, it is characterized in that: utilize a kind of interface check device to realize, described interface check device composition comprise the first track fixed on the ground, the movable platform that can horizontally rotate, the second track be fixed in movable platform, for promoting spinning movement mechanism that described movable platform rotates, for promoting the crosswise movement mechanism of vehicle generation lateral excursion, described first track, the second track are in same level, and check test method comprises the steps:
The first step, according to track circuit smallest curve radius R, length between truck centers 2A, car body maximum sideslip amount d, determine that the maximal phase of bogie and car body is to angle of rotation α;
Second step, install twilight orbit for connecting the first track and the second track;
3rd step, by vehicle along interface check device on track, the bogie pivot center on the second track is positioned at directly over the rotating shaft of movable platform, and removes twilight orbit;
4th step, with wheel fixing device, the wheel of bogie in movable platform all to be fixed;
5th step, control crosswise movement mechanism action, promote car body and be offset to specified amount; Control spinning movement mechanism action, rotate movable platform to specified angle;
6th step, check gap between car body and bogie and pipeline mechanical connecting element state;
Initial position is got back to by 7th step, crosswise movement mechanism, spinning movement mechanism;
8th step, install twilight orbit for connecting the first track and the second track;
9th step, remove wheel fixing device, vehicle of backing off completes test.
2. car body and bogie mechanical interface check test method according to claim 1, is characterized in that: after described 7th step is finished, and controls spinning movement mechanism action, rotates backward movable platform to specified angle; Control crosswise movement mechanism action, promote car body and be offset to specified amount; Then the gap between car body and bogie and pipeline mechanical connecting element state is again checked.
3. piece according to claim 1 car body and bogie mechanical interface check test method, it is characterized in that: described movable platform by vertical center rotating bearing pin and around center rotating bearing pin arrange ball rotate be located on a base, spinning movement mechanism is hydraulic rotating action device, and pressure spinning movement device lays respectively at center rotating bearing pin front and back by two and the first hydraulic cylinder arranged shoulder to shoulder, the second hydraulic cylinder.
4. car body and bogie mechanical interface check test method according to claim 3, it is characterized in that: the output terminal of described first hydraulic cylinder, the second hydraulic cylinder be connected with movable platform crosswise movement mechanism comprise be arranged at ground hold-down support, be arranged on hydraulic transverse on described hold-down support to actuator, described hydraulic transverse above the second track of movable platform, promotes car body for horizontal to the delivery level of actuator.
5. car body and bogie mechanical interface check test method as claimed in claim 4, is characterized in that: described hydraulic transverse stretches out direction and the first race orthogonal to the delivery of actuator.
6. car body and bogie mechanical interface check test method as claimed in claim 5, is characterized in that: described hold-down support is fixed on the ground by grooved rail.
7. car body and bogie mechanical interface check test method as claimed in claim 6, is characterized in that: described grooved rail and the first parallel track.
8. car body and bogie mechanical interface check test method as claimed in claim 3, is characterized in that: described base is fixed in foundation ditch.
9. car body and bogie mechanical interface check test method as claimed in claim 1, is characterized in that: described first track, the second track are the adjustable track of gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210351617.9A CN102928241B (en) | 2012-09-20 | 2012-09-20 | Method for examining and testing mechanical interfaces of vehicle body and bogies |
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| CN201210351617.9A CN102928241B (en) | 2012-09-20 | 2012-09-20 | Method for examining and testing mechanical interfaces of vehicle body and bogies |
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| CN102928241A CN102928241A (en) | 2013-02-13 |
| CN102928241B true CN102928241B (en) | 2015-04-15 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105788403B (en) * | 2016-05-10 | 2018-03-09 | 吉林大学 | Track line style and irregularity simulator based on 4 4dof |
| CN107036831B (en) * | 2016-11-24 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | The pivot angle adjusting method of rail wheel integrated unit and rail wheel integrated unit |
| CN111076953B (en) * | 2018-10-19 | 2021-10-01 | 中车唐山机车车辆有限公司 | Cable wiring test device between bogie and vehicle body |
| CN114047007A (en) * | 2021-10-22 | 2022-02-15 | 中国铁建高新装备股份有限公司 | Testing device and testing bench of rolling vibration testing bench of railway vehicle |
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| DE19903132A1 (en) * | 1999-01-27 | 2000-08-03 | Abb Daimler Benz Transp | Pitch and turn device for rail vehicle comprises lower frame with stroke and lowering device and front section operable from upper frame and with rear stroke/lowering device operable by upper frame |
| CN1614380A (en) * | 2004-12-08 | 2005-05-11 | 中国南车集团株洲电力机车厂 | Analog comprehensive test bed for curve bended channels |
| KR100911166B1 (en) * | 2007-12-26 | 2009-08-06 | 한국철도기술연구원 | Small curve track testing apparatus for bogie steering performance test |
| CN101539489A (en) * | 2009-04-22 | 2009-09-23 | 吉林大学 | Cross slid platform testing device of steering frame |
| CN201731983U (en) * | 2009-11-05 | 2011-02-02 | 吉林大学 | Ferry sliding table for railway vehicle bogie parameter detection devices |
| CN101968403A (en) * | 2010-10-11 | 2011-02-09 | 山东交通学院 | Multi-degree-of-freedom vehicle dynamics test platform |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19903132A1 (en) * | 1999-01-27 | 2000-08-03 | Abb Daimler Benz Transp | Pitch and turn device for rail vehicle comprises lower frame with stroke and lowering device and front section operable from upper frame and with rear stroke/lowering device operable by upper frame |
| CN1614380A (en) * | 2004-12-08 | 2005-05-11 | 中国南车集团株洲电力机车厂 | Analog comprehensive test bed for curve bended channels |
| KR100911166B1 (en) * | 2007-12-26 | 2009-08-06 | 한국철도기술연구원 | Small curve track testing apparatus for bogie steering performance test |
| CN101539489A (en) * | 2009-04-22 | 2009-09-23 | 吉林大学 | Cross slid platform testing device of steering frame |
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| CN101968403A (en) * | 2010-10-11 | 2011-02-09 | 山东交通学院 | Multi-degree-of-freedom vehicle dynamics test platform |
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Address after: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Patentee after: CRRC NANJING PUZHEN CO., LTD. Address before: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Patentee before: CSR NANJING PUZHEN Vehicles Co., Ltd. |