CN101408475B - Pendulum type frontal collision test stand of truck driver's cab - Google Patents
Pendulum type frontal collision test stand of truck driver's cab Download PDFInfo
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- CN101408475B CN101408475B CN2008101435359A CN200810143535A CN101408475B CN 101408475 B CN101408475 B CN 101408475B CN 2008101435359 A CN2008101435359 A CN 2008101435359A CN 200810143535 A CN200810143535 A CN 200810143535A CN 101408475 B CN101408475 B CN 101408475B
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- hanger
- fixed
- pendulum
- crossbeam
- frontal collision
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Abstract
The invention discloses a pendulum-type frontal collision test bench in a truck cab. The test bench comprises a cross beam, a pendulum assembly and two upright columns. The lower ends of the two upright columns are fixed on the ground, the upper part of the two upright columns are respectively equipped with a cross beam connection plate which is equipped with a plurality of cross beam mounting holes along the vertical direction; the cross beam is arranged between the two upright columns, each end of which is connected with the corresponding beam connection plate by a fastener, and the pendulum assembly is suspended below the cross beam. The pendulum-type frontal collision test bench in the truck cab has the advantages of adjustable collision speed and collision height, accurate collision direction, simple structure and reliable rigid design.
Description
Technical field
The present invention relates to the truck collision test device, relate in particular to pendulum type frontal collision test stand of truck driver's cab.
Background technology
The test of truck crashworthiness is an important means of estimating the truck crashworthiness, and the truck head-on crash is the essential content of truck crashworthiness test.At present, domestic research to the truck crashworthiness also is in the infancy.According to our discovering to existing truck crashworthiness, head-on crash is higher a kind of of proportion in the truck statistics of traffic accidents, usually occur in the situation that a certain truck and another truck knock into the back, the container of truck cap and front truck bumps.Pilothouse is to be welded after the thick steel plate punching press of 0.8～2.0mm with thickness, the single order model frequency of pilothouse is in 30Hz, and container is by the box structure that directly is welded of the steel plate behind 5～8mm, has higher rigidity, and its single order vibration frequency is more than 100Hz.Because the rigidity of pilothouse is much smaller than the rigidity of container, this collision situation is simulated with the situation that pilothouse and rigid wall bump usually.Under the situation of knocking into the back, the speed of related movement of truck and front truck is not high, and still, relative velocity is not unique constant, and it changes in a scope, the collision effect difference that different impact velocities obtains; Its cab heights of different automobile types and container height and inconsistent, the position difference that bumps of pilothouse like this; When pilothouse and container bumped, after having determined impact velocity and colliding part, the direction of collision was also wanted and can be guaranteed, more than all are technical matterss that the truck frontal collision test stand will solve.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, and a kind of impact velocity, collision adjustable height are provided, and the collision bearing is accurate, the reliable pendulum type frontal collision test stand of truck driver's cab of simple in structure, rigid design.
For solving the problems of the technologies described above, the present invention by the following technical solutions.
A kind of pendulum type frontal collision test stand of truck driver's cab, comprise crossbeam, pendulum assembly and two columns, the lower end of described two columns all fixes on the ground, top is equipped with cross-beam connecting plate, vertically be provided with a plurality of crossbeam mounting holes on the described cross-beam connecting plate, crossbeam is located between two columns, and respectively end is respectively by securing member and corresponding cross-beam connecting plate connection, and the pendulum assembly hangs on the crossbeam below.
Described pendulum assembly comprises rigid plate, swing arm, hanger installing plate and hanger, described rigid plate is fixed in the swing arm lower end, the hanger installing plate is fixed in the swing arm upper end, hanger is fixed on the hanger installing plate, described crossbeam below is provided with the hanger Connection Block, hanger and hanger Connection Block are hinged, and the plane that the center of gravity of its hinge axes and rigid plate is formed is perpendicular to surface level.
The both sides of described each column are equiped with brace, and brace one end is fixed on the ground, and the other end is fixed in the stage casing of column.
The both sides of described each column are equiped with oblique rollering steel silk rope, and the oblique rollering steel silk end of restricting is fixed on the ground, and the other end is fixed in the upper end of column, and oblique rollering steel silk rope stage casing is provided with steam boat ratchet.
Compared with prior art, advantage of the present invention just is:
1, on the cross-beam connecting plate of column, vertically is provided with a plurality of crossbeam mounting holes, when being installed, crossbeam can select for use the crossbeam mounting hole of suitable height that crossbeam is fixed, with this height of controlling the collision surface of contact of rigid plate and car body, be applicable to collision between the different vehicles and the collision between the different parts.
2, according to mechanics principle, the height difference of putting on the rigid plate, impact velocity difference when it touches the bottom, during test, what can calculate rigid plate at the impact velocity of demand goes up pendulum highly, make the free bottom of rigid plate after rigid plate is adjusted to this height, can reach predetermined impact velocity when rigid plate and car body bump.
3, the plane formed of the center of gravity of the hinge axes of hanger and hanger Connection Block and rigid plate is perpendicular to surface level, guarantee under the free suspension status of rigid plate, the collision surface of contact of rigid plate is perpendicular to the ground, making rigid plate and car body is plane contact in impact moment, guarantees that the collision bearing of impact moment is accurate.
4, brace and oblique rollering steel silk rope are installed in the column both sides, in the process of the test, oblique rollering steel silk rope and brace are tight, and column has booster action preferably, and the rigidity of testing table is improved greatly, and the situation of unstability can not take place the warranty test platform.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 utilizes the present invention to carry out the synoptic diagram of truck frontal collision test.
Each label is represented among the figure:
1, column 2, crossbeam
3, pendulum assembly 4, brace
5, oblique rollering steel silk rope 6, steam boat ratchet
7, car body 11, cross-beam connecting plate
12, crossbeam mounting hole 21, hanger Connection Block
31, rigid plate 32, swing arm
33, hanger installing plate 34, hanger
Embodiment
As shown in Figure 1, pendulum type frontal collision test stand of truck driver's cab of the present invention is welded by multiple shaped steel, sheet material assembly unit, comprises crossbeam 2, pendulum assembly 3 and two columns 1, for guaranteeing the rigidity of each parts, is welded with reinforcement in position.The lower end of two columns 1 fixes on the ground, top is provided with cross-beam connecting plate 11, vertically be provided with a plurality of crossbeam mounting holes 12 on the cross-beam connecting plate 11, crossbeam 2 is located between two columns 1, and its two 4 end is fixedlyed connected with the cross-beam connecting plate 11 on the column 1 by bolt and nut respectively, and crossbeam 2 belows are provided with hanger Connection Block 21.Pendulum assembly 3 comprises rigid plate 31, swing arm 32, hanger installing plate 33 and hanger 34, rigid plate 31 is fixed in swing arm 32 lower ends, hanger installing plate 33 is fixed in swing arm 32 upper ends, hanger 34 is fixed on the hanger installing plate 33, hanger 34 is hinged with hanger Connection Block 21, under rigid plate 31 free suspension statuses, the plane that the center of gravity of its hinge axes and rigid plate 31 is formed is perpendicular to surface level, the collision surface of contact of rigid plate 31 is perpendicular to the ground, making rigid plate 31 and car body 6 is plane contact in impact moment, guarantees that the collision bearing of impact moment is accurate.According to mechanics principle, the height difference of pendulum on the rigid plate 31, impact velocity difference when it touches the bottom, during test, calculate going up of rigid plate 31 at predetermined impact velocity and put height, make the rigid plate 31 free bottoms after rigid plate 31 is adjusted to this height, the speed when rigid plate 31 bumps with car body 6 is predetermined impact velocity.The both sides of each column 1 are equiped with brace 4 and oblique rollering steel silk rope 5, brace 4 one ends are fixed on the ground, and the other end is fixed in the stage casing of column 1, and oblique rollering steel silk 5 one ends of restricting are fixed on the ground, the other end is fixed in the upper end of column 1, and oblique rollering steel silk 5 stage casings of restricting are provided with steam boat ratchet 6.In the process of the test, it is 5 tight that brace 4 and oblique rollering steel silk are restricted, and column 1 has booster action preferably, and the rigidity of testing table is improved greatly, and the situation of unstability can not take place the warranty test platform.When being installed, crossbeam 2 can select for use 12 pairs of crossbeams 2 of crossbeam mounting hole of suitable height to fix, with this height of controlling rigid plate 31 and the collision surface of contact of car body 6, make testing table of the present invention be applicable to impact test between the different vehicles and the impact test between the different parts.
Elaborate below in conjunction with the frontal collision test process of truck cap principle of work to pendulum type frontal collision test stand of truck driver's cab of the present invention.As shown in Figure 2, when the rigid plate 31 of pendulum assembly 3 is in the nature suspension status, tested vehicle is sailed into the collision area of testing table, adjust the contact position of rigid plate 31 and car body 6, guarantee the middle of contact position at pilothouse, according to selected crash type the height of contact position is adjusted, then car body 6 is fixed on the testing table.Relevant position at car body 6 is installed acceleration transducer, measures the acceleration of car body 6 in the collision process, on rigid plate 31 acceleration transducer is installed, and measures the acceleration of rigid plate 31 in the collision process.According to the requirement of impact velocity and collision energy, calculate the height that rigid plate 31 needs rising, and rigid plate 31 is sling to predetermined altitude, and remain on this height with hoisting device.Made a video recording in the whole test scene, use the high-speed camera instrument that rigid plate 31, car body 6 and testing table are carried out comprehensive photography, with the record collision process.Adjust each sensor and collecting device, high-speed camera enters the record standby condition, and safety inspection is carried out in the testing ground.The pilot command countdown, each acquisition system begins collecting work, and hoisting device unclamps rigid plate 31 simultaneously, makes its free bottom.Rigid plate 31 bumps according to the predetermined impact velocity and the front assigned address of vehicle, according to the data of sensor acquisition and the record of high-speed camera, the accelerating curve of the modification situation of pilothouse and pilothouse region of interest and pendulum accelerating curve during analytical test, test is estimated, finish test report, off-test.
Claims (3)
1. pendulum type frontal collision test stand of truck driver's cab, it is characterized in that: comprise crossbeam (2), pendulum assembly (3) and two columns (1), the lower end of described two columns (1) all fixes on the ground, top is equipped with cross-beam connecting plate (11), vertically be provided with a plurality of crossbeam mounting holes (12) on the described cross-beam connecting plate (11), crossbeam (2) is located between two columns (1), and each end is respectively by securing member and corresponding cross-beam connecting plate (11) connection, pendulum assembly (3) hangs on crossbeam (2) below, described pendulum assembly (3) comprises rigid plate (31), swing arm (32), hanger installing plate (33) and hanger (34), described rigid plate (31) is fixed in swing arm (32) lower end, hanger installing plate (33) is fixed in swing arm (32) upper end, hanger (34) is fixed on the hanger installing plate (33), described crossbeam (2) below is provided with hanger Connection Block (21), hanger (34) is hinged with hanger Connection Block (21), and the plane that the center of gravity of its hinge axes and rigid plate (31) is formed is perpendicular to surface level.
2. pendulum type frontal collision test stand of truck driver's cab according to claim 1 is characterized in that: the both sides of described each column (1) are equiped with brace (4), and brace (4) one ends are fixed on the ground, and the other end is fixed in the stage casing of column (1).
3. pendulum type frontal collision test stand of truck driver's cab according to claim 1 and 2, it is characterized in that: the both sides of described each column (1) are equiped with oblique rollering steel silk rope (5), oblique rollering steel silk rope (5) one ends are fixed on the ground, the other end is fixed in the upper end of column (1), and oblique rollering steel silk rope (5) stage casing is provided with steam boat ratchet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101435359A CN101408475B (en) | 2008-11-07 | 2008-11-07 | Pendulum type frontal collision test stand of truck driver's cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101435359A CN101408475B (en) | 2008-11-07 | 2008-11-07 | Pendulum type frontal collision test stand of truck driver's cab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101408475A CN101408475A (en) | 2009-04-15 |
| CN101408475B true CN101408475B (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101435359A Expired - Fee Related CN101408475B (en) | 2008-11-07 | 2008-11-07 | Pendulum type frontal collision test stand of truck driver's cab |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788673B (en) * | 2011-05-20 | 2015-09-16 | 上海汽车集团股份有限公司 | Shaft end drive type pendulum bob test stand |
| CN102564719A (en) * | 2011-11-18 | 2012-07-11 | 浙江吉利汽车研究院有限公司 | Test method and device for calibrating lateral coming vehicle by head-on collision prevention system |
| CN102519699B (en) * | 2011-12-12 | 2014-12-10 | 中联重科股份有限公司 | Cab integrated test system |
| CN102620940B (en) * | 2012-03-29 | 2014-05-14 | 湖南大学 | Rear wall strength test device for driving cabs of commercial vehicles |
| CN103512720B (en) * | 2012-06-29 | 2016-03-09 | 上海昆杰五金工具有限公司 | A kind of hammer handle test equipment |
| CN105116878A (en) * | 2015-08-14 | 2015-12-02 | 宁波祥路汽车部件股份有限公司 | Collision experiment measuring and controlling equipment for automobile anti-collision beam |
| CN105157992B (en) * | 2015-09-29 | 2017-12-08 | 中国汽车工程研究院股份有限公司 | The impact test implementation and device of a kind of white body side |
| CN105841912B (en) * | 2016-06-02 | 2018-08-21 | 新沂市时集建设发展有限公司 | A kind of testing stand |
| CN112229594B (en) * | 2020-10-16 | 2024-03-12 | 中国汽车工程研究院股份有限公司 | New energy automobile bottom impact test bed |
| CN112945578A (en) * | 2021-03-11 | 2021-06-11 | 东风商用车有限公司 | Automobile front collision verification method and device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201311347Y (en) * | 2008-11-07 | 2009-09-16 | 湖南大学 | Truck cab pendulum type frontal impact test platform |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201311347Y (en) * | 2008-11-07 | 2009-09-16 | 湖南大学 | Truck cab pendulum type frontal impact test platform |
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| CN101408475A (en) | 2009-04-15 |
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