CN102706571B - Vehicle test device - Google Patents
Vehicle test device Download PDFInfo
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- CN102706571B CN102706571B CN201210208070.7A CN201210208070A CN102706571B CN 102706571 B CN102706571 B CN 102706571B CN 201210208070 A CN201210208070 A CN 201210208070A CN 102706571 B CN102706571 B CN 102706571B
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- test
- car body
- supporting seat
- weighing
- test platform
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Abstract
The invention provides a vehicle test device. The vehicle test device comprises a test platform, wherein a groove is formed in the middle of the test platform; a support seat is arranged in the groove, and a weighing device is mounted on the support seat; and a force loading device for loading a force on a vehicle body placed on the weighing device is further arranged on the test platform. According to the invention, as the weighing device is additionally mounted in the test platform, the weighing test of the vehicle can be completed while a strength test is conducted on the vehicle, accordingly the test cost is lowered and the test efficiency is improved.
Description
Technical field
The present invention relates to a kind of railroad car performance test apparatus, particularly relate to a kind of having concurrently and weigh and the vehicle test device of strength test.
Background technology
As everyone knows, along with the develop rapidly of railway technology, the direction of transportation by railroad just towards high speed, heavy duty is fast-developing.But along with the lifting of train speed and the increasing of load-carrying, inevitably make the vibration of train operation aggravate.So, on train, the working environment of each parts worsens more, and the structural strength problem being exposed to bogie, wheel shaft and car body etc. increases gradually, and especially after structure lightened required by bullet train, structural strength problem will be more outstanding.If the structural strength of train goes wrong, the major accident of the railway system can be caused, cause serious consequence difficult to the appraisal.
In order to ensure that the structural strength of train body meets the needs of use, people adopt car body testing table to carry out test of static strength and the test of intensity torture test equal strength to train body usually, but common car body testing table only possesses the function made a strength test to car body, and its test function is single; Such as, when needing to carry out experiment of weighing to car body, also need to arrange special weighing test platform, so add the buying expenses of testing equipment, also result in the waste of testing equipment simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of vehicle test device, only possess in order to solve car body testing table in prior art function and the problem of the function singleness existed that car body is made a strength test.
The invention provides a kind of vehicle test device, comprising: test platform, the middle part of described test platform offers groove; Be provided with supporting seat in described groove, described supporting seat is provided with weighing device; Described test platform is also provided with the force loading device car body be placed on described weighing device being carried out to power loading.
The quantity of described supporting seat is two, and two described supporting seats are arranged in described groove along the longitudinal direction of described car body.
Described supporting seat is arranged in described groove by some the first slide.
The quantity of described first guide rail is three, and is equally spacedly arranged in parallel in described groove.
Described weighing device is slidably arranged in the top of described supporting seat.
Two described supporting seats are provided with four separate described weighing devices, and the both lateral sides being arranged on the top of described supporting seat that four described weighing devices are symmetrical between two.
Described weighing device comprises track and LOAD CELLS, and the basal sliding of described LOAD CELLS is arranged on the top of described supporting seat, and the top of described LOAD CELLS is installed with described track.
Described force loading device comprises longitudinal charger, horizontal charger and vertical loading device;
Described longitudinal charger is arranged on the two ends of described test platform along described car body longitudinal direction;
Described test platform is provided with workbench along the two ends of the horizontal direction of described car body, and two described workbenches are all provided with sway brace, and two described sway braces are all provided with described horizontal charger;
Between two described sway braces, crossbeam is installed, described crossbeam is provided with described vertical loading device.
Described longitudinal charger, horizontal charger and vertical loading device are fluid pressure drive device.
Described workbench is arranged on described test platform by the second slide.
Vehicle test device provided by the invention, by installing weighing device additional in test platform, achieving while can making a strength test to vehicle, can complete again the experiment of weighing of vehicle, thus reduces experimentation cost, improves test efficiency.
Accompanying drawing explanation
The front view of the vehicle test device that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 be in Fig. 1 A-A to cut-open view.
Description of reference numerals:
1-test platform; 2-groove; 3-supporting seat; 4-weighing device;
5-car body; 6-first guide rail; 7-track; 8-LOAD CELLS;
The longitudinal charger of 9-; The horizontal charger of 10-; 11-vertical loading device; 12-workbench;
13-sway brace; 14-crossbeam; 15-second guide rail.
Embodiment
The front view of the vehicle test device that Fig. 1 provides for the embodiment of the present invention; Fig. 2 be in Fig. 1 A-A to cut-open view.
As depicted in figs. 1 and 2, the vehicle test device that the present embodiment provides comprises: test platform 1, offers groove 2 at the middle part of test platform 1; And supporting seat 3 is provided with in groove 2, supporting seat 3 is provided with weighing device 4; Test platform 1 is also provided with the force loading device car body 5 be placed on described weighing device 4 being carried out to power loading simultaneously.The vehicle test device that the present embodiment provides to be weighed test by weighing device 4 pairs of car bodies 5, meanwhile, carries out strength test by force loading device to car body 5, thus can carry out intensity and test of weighing on a testing table.
In the present embodiment, the quantity of above-mentioned supporting seat 3 can be two, and two supporting seats 3 are arranged in groove 2 along the longitudinal direction of the car body 5 of test, namely be arranged in groove 2 before and after the longitudinal direction of car body 5, so, what the car body 5 tested was placed on two supporting seats 3 is more steady, is beneficial to the enforcement of follow-up test.
In the present embodiment, the first guide rail 6 that two above-mentioned supporting seats 3 are all arranged in bottom groove 2 by three is slidably mounted in groove 2, and three the first equally spaced parallel bottoms being arranged in groove 2 of guide rail 6, the first guide rail 6 is preferably T-shaped guide rail; So, the longitudinal direction making two supporting seats 3 all realize the car body 5 of edge test in groove 2 slides, thus achieve supporting seat 3 and can carry out corresponding adjustment according to the length between truck centers of the car body 5 of different tests, the better placement having coordinated the car body 5 of different tests, the test of the car body 5 comprising bogie can be carried out, also the test of independent car body 5 can be carried out, make vehicle test device not be limited to the length of the car body 5 of test, improve the scope of the subjects of vehicle test device.
The first guide rail 6 adopting three equidistantly, to be arranged in parallel is as the carriage of two supporting seats 3, make two supporting seats 3 while slip, can ensure relative steady, and make the pressure of the car body 5 of the test suffered by two supporting seats 3, better decomposition is also applied on the bottom of groove 2, thus makes the result of experiment of weighing more accurate.
In the present embodiment, two above-mentioned supporting seats 3 are all provided with weighing device 4, concrete, each supporting seat 3 is provided with four separate weighing devices 4, and the both lateral sides being arranged on the top of supporting seat 3 that these four weighing devices 4 are symmetrical between two, namely each supporting seat 3 upper lateral be each side provided with two weighing devices 4, for four wheels of the wheels on corresponding car body 5, further, these four weighing devices 4 are all slidably arranged in the top of supporting seat 3, and can slide along the longitudinal direction of the car body 5 of test and horizontal direction on the top of supporting seat 3, when weighing device 4 slides along the horizontal direction of car body 5 on the top of supporting seat 3, can realize regulating according to the gauge of the car body 5 of test, so that the car body 5 meeting different gauge is tested, when weighing device 4 slides along the longitudinal direction of car body 5 on the top of supporting seat 3, can realize according to test car body 5 position of wheel between wheelbase regulate, so that the car body 5 meeting different position of wheels wheelbase is tested, thus improve the scope of the subjects of vehicle test device.
In the present embodiment, above-mentioned each weighing device 4 includes a LOAD CELLS 8 and a track 7, the basal sliding of LOAD CELLS 8 is arranged on the top of supporting seat 3, the top of LOAD CELLS 8 is installed with a track 7, this track 7 for placing the car body 5 of test, and well ensure that the stability that car body 5 is placed.
In the present embodiment, above-mentioned test platform 1 is also provided with the force loading device car body 5 be placed on weighing device 4 being carried out to power loading, wherein force loading device comprises: longitudinal charger 9, horizontal charger 10 and vertical loading device 11.
In the present embodiment, above-mentioned longitudinal charger 9 is arranged on the two ends of test platform 1 along car body 5 longitudinal direction; Test platform 1 is provided with workbench 12 along the both sides of the horizontal direction of car body 5, and two workbenches 12 are all provided with sway brace 13, and two sway braces 13 are all provided with described horizontal charger 10; And crossbeam 14 is installed between two sway braces 13, and on crossbeam 14, vertical loading device 11 is installed; So, vehicle test device is made to combine longitudinal, horizontal and vertical dynamic load, the perfect further test function of vehicle test device.
In the present embodiment, above-mentioned longitudinal charger 9, horizontal charger 10 and vertical loading device 11 are fluid pressure drive device, and preferably, fluid pressure drive device adopts hydraulic actuator;
In the present embodiment, two above-mentioned workbenches 12 are all slidably arranged on test platform 1 by the second guide rail 15, preferred second guide rail 15 adopts T-shaped guide rail, thus make workbench 12 to realize sliding along the longitudinal direction of the car body 5 of test on test platform 1, thus horizontal and vertical dynamic load is carried out to the different parts of the car body 5 of test.
For ease of having a better understanding to the present embodiment, below the present embodiment specific works process is described.
During test, comprise the steps:
The first step, determines the length between truck centers (i.e. the horizontal range of the first axis of car body and two center lines of last root axle) of the car body 5 tested, gauge (i.e. the distance in position of wheel, the left and right sides) and the wheelbase distance of homonymy two-wheeled interdigit (namely in wheels);
Second step, according to the spacing of vehicle 5, gauge and wheelbase, adjusts accordingly vehicle test device, is specially:
1, slide two supporting seats 3 on three the first guide rails 6, makes the distance between two supporting seats 3 meet the length between truck centers of the car body 5 of test;
2, at the weighing device 4 of the slip left and right sides, top of supporting seat 3, the distance between the weighing device 4 of the left and right sides is made to meet the gauge of the car body 5 of test;
3, at the weighing device 4 of the top slip homonymy of supporting seat 3, the distance between the weighing device 4 of homonymy is made to meet the wheelbase of the car body 5 of test.
Concrete, the length of the car body 5 of the satiable maximum test of the present embodiment vehicle test device is 26000mm, the width of the car body 5 of maximum test is 4000mm, and the gauge of the car body 5 of test is 1000mm-1676mm, and the length between truck centers of the car body 5 of test is 5000mm-19000mm.
3rd step, the car body 5 of test is transported on two supporting seats 3, and ensure that each wheel correspondence of car body 5 is placed on the track 7 of a weighing device 4, to complete experiment of weighing, and the result of experiment of weighing can adopt the data of eight weighing devices 4 to export respectively, the data of eight weighing devices 4 also can be adopted together to export;
4th step, is connected to longitudinal two ends of car body 5, thus realizes longitudinal load test by longitudinal charger 9;
5th step, the second guide rail 15 slides two workbenches 12, to transverse direction or Plumb load position;
6th step, is connected to the both lateral sides of car body 5, thus realizes horizontal load test by horizontal charger 10;
7th step, vertical loading device 11 is connected to the bottom of car body 5, thus realize Plumb load test, wherein, when vertical loading device 11 contacts with the bottom of car body 5, the top-down loading to car body 5 can be realized, when vertical loading device 11 is fixedly connected with the bottom of car body 5, the loading from bottom to top to car body 5 can be realized.
In the present embodiment, when completing above-mentioned test, experiment of weighing and strength test also can be carried out simultaneously, to improve test efficiency.
In the present embodiment, the maximum port number that loads of above-mentioned vehicle test device is 37, and maximum longitudinal dynamic action load is 200t, and maximum longitudinal static action load is 500t.
Vehicle test device provided by the invention, by installing weighing device additional in test platform, achieving while can making a strength test to vehicle, can complete again the experiment of weighing of vehicle, thus reduces experimentation cost; And experiment of weighing and strength test can be carried out, thus improve test efficiency simultaneously; Utilize slidably supporting seat and weighing device simultaneously, meet the needs that different car body is tested, and then improve the scope of subjects of vehicle test device.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (3)
1. a vehicle test device, is characterized in that, comprising: test platform, and the middle part of described test platform offers groove; Be provided with supporting seat in described groove, described supporting seat is provided with weighing device; Described test platform is also provided with the force loading device car body be placed on described weighing device being carried out to power loading;
Described supporting seat is arranged in described groove by some the first slide;
The quantity of described first guide rail is three, and is equally spacedly arranged in parallel in described groove;
The quantity of described supporting seat is two, and two described supporting seats are arranged in described groove along the longitudinal direction of described car body;
Described weighing device is slidably arranged in the top of described supporting seat;
Two described supporting seats are provided with four separate described weighing devices, and the both lateral sides being arranged on the top of described supporting seat that four described weighing devices are symmetrical between two;
Described force loading device comprises longitudinal charger, horizontal charger and vertical loading device;
Described longitudinal charger is arranged on the two ends of described test platform along described car body longitudinal direction;
Described test platform is provided with workbench along the two ends of the horizontal direction of described car body, and two described workbenches are all provided with sway brace, and two described sway braces are all provided with described horizontal charger;
Between two described sway braces, crossbeam is installed, described crossbeam is provided with described vertical loading device;
Described workbench is arranged on described test platform by the second slide.
2. vehicle test device according to claim 1, it is characterized in that, described weighing device comprises track and LOAD CELLS, and the basal sliding of described LOAD CELLS is arranged on the top of described supporting seat, and the top of described LOAD CELLS is installed with described track.
3. vehicle test device according to claim 1, is characterized in that, described longitudinal charger, horizontal charger and vertical loading device are fluid pressure drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210208070.7A CN102706571B (en) | 2012-06-21 | 2012-06-21 | Vehicle test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210208070.7A CN102706571B (en) | 2012-06-21 | 2012-06-21 | Vehicle test device |
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| Publication Number | Publication Date |
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| CN102706571A CN102706571A (en) | 2012-10-03 |
| CN102706571B true CN102706571B (en) | 2015-03-18 |
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| CN201210208070.7A Active CN102706571B (en) | 2012-06-21 | 2012-06-21 | Vehicle test device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698139B (en) * | 2013-12-03 | 2016-06-15 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle flexibility coefficient method of testing |
| CN104215466B (en) * | 2014-09-22 | 2018-02-06 | 中国铁路总公司 | A kind of test method of train body chassis fatigue strength |
| CN106446443B (en) * | 2016-10-12 | 2020-03-17 | 西南交通大学 | Method and device for identifying resonant frequency of track fastener system |
| CN107271205B (en) * | 2017-06-13 | 2019-09-20 | 中车齐齐哈尔车辆有限公司 | Rolling stock is delayed unloading the fatigue experimental device and fatigue test method of beam |
| CN107478447A (en) * | 2017-08-09 | 2017-12-15 | 南京中车浦镇城轨车辆有限责任公司 | Test device and method of a kind of rail traffic vehicles compartment to chassis active force |
| CN107817120B (en) * | 2017-10-23 | 2019-08-20 | 中车株洲电力机车有限公司 | A kind of vehicle static strength test device for simulating bogie shock loading |
| CN109141947A (en) * | 2018-10-29 | 2019-01-04 | 中车长春轨道客车股份有限公司 | A kind of vehicle static strength test laterally load fexible unit |
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| JPS58162836A (en) * | 1982-03-23 | 1983-09-27 | Sumitomo Metal Ind Ltd | Centrifugal force applying device of truck tester |
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| DE102006015924A1 (en) * | 2006-04-05 | 2007-10-18 | Schenck Process Gmbh | Measuring section for measuring e.g. weight of wagon train carriage, has carrier unit anchoring in underground and extending longitudinally to measuring section, where diagnostic devices are fastened on carrier unit |
| CN1975365A (en) * | 2006-12-27 | 2007-06-06 | 西南交通大学 | Rail vehicle truck parameter measuring table |
| CN101261191A (en) * | 2008-04-23 | 2008-09-10 | 西南交通大学 | Test stand capable of simultaneously measuring railway stock bogie three-way rigidity |
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| CN102706571A (en) | 2012-10-03 |
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Inventor after: Sun Bangcheng Inventor after: Ma Jijun Inventor after: Tan Licheng Inventor after: Wang Guiguo Inventor after: Li Na Inventor after: Tian Xueyan Inventor after: Wu Pingbo Inventor after: Song Ye Inventor before: Ma Jijun Inventor before: Tan Licheng Inventor before: Wang Guiguo Inventor before: Li Na Inventor before: Tian Xueyan Inventor before: Wu Pingbo Inventor before: Song Ye |
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Free format text: CORRECT: INVENTOR; FROM: MA JIJUN TAN LICHENG WANG GUIGUO LI NA TIAN XUEYAN WU PINGBO SONG YE TO: SUN BANGCHENG MA JIJUN TAN LICHENG WANG GUIGUO LI NA TIAN XUEYAN WU PINGBO SONG YE |
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Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee after: CRRC TANGSHAN CO., LTD. Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee before: Tangshan Railway Carriage Co., Ltd. |