CN202008434U - Front trolley collision test device - Google Patents
Front trolley collision test device Download PDFInfo
- Publication number
- CN202008434U CN202008434U CN2011200008325U CN201120000832U CN202008434U CN 202008434 U CN202008434 U CN 202008434U CN 2011200008325 U CN2011200008325 U CN 2011200008325U CN 201120000832 U CN201120000832 U CN 201120000832U CN 202008434 U CN202008434 U CN 202008434U
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- chassis
- trolley
- movable rail
- test unit
- impact test
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Abstract
The utility model discloses a front trolley collision test device and aims at providing a trolley front collision test device which has reasonable structure layout and strong automation control capability, is simple to operate and can more accurately simulate the real front collision process of vehicles. The device comprises a launcher, a trolley and rails, wherein the launcher for pushing the trolley to horizontally move is arranged on the rear end of the trolley, a fixed rail and a movable rail for the sliding of the trolley are arranged below the trolley, a hydraulic device and a guide mechanism for controlling the movable rail to rise and fall are arranged below the movable rail, sliding devices are respectively arranged on the front ends and the rear ends of the two sides of the trolley, the sliding devices on the front ends of the two sides of the trolley are movably connected with the movable rail, and the sliding devices on the rear ends of the two sides of the trolley are movably connected with the fixed rail. The utility model is suitable for automobile manufacture industry.
Description
Technical field
The utility model is the test unit about a kind of vehicle safety performance, specifically, is about a kind of front trolley impact test unit.
Background technology
Consider the cost problem of frontal collision test, most vehicle frontal collision tests are to simulate realization with front trolley impact test unit.For improving vehicle safety performance, further investigate and to find for positive vehicle collision, during frontal crash of vehicles, be subjected to the action of inertia rear vehicle end all can lift phenomenon, and in the front trolley impact test unit of prior art, chassis all is that the simulation one degree of freedom is the motion of along continuous straight runs, the attitude that tail lifts after in the time of can not simulating vehicle collision, the athletic posture of vehicle when so the test of the front trolley impact of prior art does not have to reflect frontal crash of vehicles really, the interaction force and the relative motion relation that take place between vehicle and the carrier in also just can not the real simulated collision process.
As the Chinese patent notification number is CN2703686Y, the day for announcing is on June 8th, 2005, patent name discloses the device of a kind of front trolley impact test for " automobile front trolley impact test unit ", this device improves and has simplified the structure of test unit, adopt simple relatively structure to absorb the energy of chassis and testing table bump, be simplified structure, chassis in this device utilizes roller to move on the ground, its weak point is that chassis moves in one degree of freedom in the collision process of this test unit, the athletic posture during can not simulating vehicle actual head-on crash.
Emission-type front trolley impact test unit is a kind of of front trolley impact test unit, it utilizes the launcher in the test unit to promote the chassis high-speed starting and drive the also high-speed starting of test vehicle body that is fixed on the chassis, produce the acceleration of motion that deviates from mutually between the test carrier in making the test vehicle body and being installed in the test vehicle body, the relative motion relation of carrier and vehicle during with this simulating vehicle collision.Because the launcher in the emission-type front trolley impact test unit of prior art can only promote trolley movement in the one degree of freedom direction, chassis is again to move in one degree of freedom, so vehicle was dynamic when the test vehicle body on the emission-type front trolley impact test unit chassis of prior art can't be simulated actual collision exactly, can be inaccurate with this test figure that obtains, thereby can influence the vehicle restraint systems matched accuracy, hinder the design and the improvement of vehicle safety performance.
The utility model content
The dynamic technical matters of vehicle when the purpose of this utility model is to solve the actual head-on crash of dynamically can't accurately simulating of chassis in the front trolley impact test unit of prior art, provide a kind of reasonable structural arrangement, simple to operate, the robotization control ability strong and chassis frontal collision test device that can the actual head-on crash process of more accurate simulating vehicle.
In order to solve the problems of the technologies described above, the utility model has adopted following technical proposals: a kind of front trolley impact test unit, comprise emitter, chassis, track, the rear end of chassis is provided with the emitter that promotes the chassis tangential movement, the below of described chassis is provided with trapped orbit and the movable rail that slides for chassis, the below of movable rail is provided with the hydraulic means and the guiding mechanism of control movable rail lifting, the front-end and back-end of chassis both sides are respectively equipped with carriage, the carriage of chassis both sides front end and movable rail flexibly connect, and the carriage of rear end, chassis both sides and trapped orbit flexibly connect.
Front of the present utility model trolley impact test unit is in process of the test, in the time of chassis high-speed starting in the horizontal direction, one end of chassis vertically moves upward synchronously, one end of test vehicle body is upwards done the lifting campaign when making the test vehicle body that is installed on the chassis produce an accelerated motion, purpose is the athletic posture of simulation actual vehicle vehicle in the head-on crash process, by being installed in the detection of the various testing equipments on vehicle body and the test carrier, can obtain truer, test the interaction force between vehicle body and the carrier and the test figure of relative motion relation more accurately.
In the trolley impact test unit of front of the present utility model, the test vehicle body is fixed on the chassis, the emitter that is arranged on the chassis rear end provides the power of high-speed starting for chassis, in the starting process, slide by carriage along continuous straight runs on trapped orbit the rear end of chassis, the front end of chassis slides on movable rail and the lifting along with the vertical uplift of movable rail by carriage, the hydraulic means of movable rail below and guiding mechanism provide rising for movable rail power and motion guide.
As preferably, described carriage is the hinge slide block, and chassis and carriage are hinged.The front-end and back-end of chassis both sides are provided with hinge axis, and the hinge slide block comprises hinge vias and sliding rail groove, and the hinge vias of the hinge axis of chassis and hinge slide block is hinged, and the sliding rail groove of hinge slide block is stuck on the track, and hinge slide block and track are slidingly connected.
As preferably, described hydraulic means is a hydraulic cylinder, and movable rail is fixedlyed connected with the piston rod of hydraulic cylinder.Trapped orbit and movable rail respectively have two tracks, article two, the track correspondence is distributed in the both sides of chassis, two tracks of movable rail are fixed together by some track cross bars, hydraulic cylinder is arranged on the below of movable rail, the piston rod of hydraulic cylinder is fixedlyed connected with the track cross bar, drives two movable rail by the track cross bar during piston rod action and moves upward simultaneously.
As preferably, described guiding mechanism comprises guidepost and orienting sleeve, and the cylinder of guidepost and orienting sleeve flexibly connect, and an end of guidepost is fixedlyed connected with movable rail.The effect of guiding mechanism is that the motion process to movable rail leads, and movable rail can only vertically be moved, and an end of guidepost is fixedlyed connected with the track cross bar of movable rail.
As preferably, described emitter is a pneumatic cylinder, and the front end of pneumatic cylinder piston rod acts on the tail end of chassis.The effect of emitter is the power that the along continuous straight runs high-speed starting is provided for chassis, and in the process of the test, the leading section of pneumatic cylinder piston rod props up the tail end of chassis, and under the hyperbar effect, launcher promotes the chassis high-speed starting.
As preferably, described emitter and hydraulic means are provided with Servocontrol device.The effect of Servocontrol device is the synchronism of control process of the test and adjusts test parameters.The starting acceleration that can regulate chassis by the air pressure of control emitter pneumatic cylinder; Can regulate the ascending velocity of movable rail by the hydraulic pressure of control hydraulic means hydraulic cylinder; The synchronism that can regulate test interval time by control emitter and hydraulic means action.
Front of the present utility model trolley impact test unit is the dynamic process of collision vehicle in the real simulated actual vehicle head-on crash process more, for the frontal collision test of vehicle provides better test platform, for design with make the better automobile of security performance and created condition.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the vertical view of another kind of structural representation of the present utility model.
Among the figure: emitter 1 chassis 2 trapped orbits 3 movable rail 4 carriages 5 guiding mechanisms 6 hydraulic means 7 test vehicle bodies 8
Specific implementation method
Below in conjunction with accompanying drawing and specific implementation method the utility model is described in further detail:
One-piece construction of the present utility model as shown in Figure 1 and Figure 2, front of the present utility model trolley impact test unit comprises emitter 1, chassis 2, trapped orbit 3, movable rail 4, carriage 5, guiding mechanism 6, hydraulic means 7, test vehicle body 8 and Servocontrol device.
Trapped orbit 3 and movable rail 4 respectively have two tracks, and two track correspondences of trapped orbit 3 and movable rail 4 are installed in the both sides of chassis 2, level and parallel; The xsect of track is a rectangle, and the track draw-in groove of hinge slide block cooperates with orbit gap.Weld together by some track cross bars between two tracks of movable rail 4, the track cross bar is spaced apart 30 centimetres.
Hydraulic means 7 adopts hydraulic cylinder, and hydraulic means is installed in the below of movable rail, and the piston rod and the track support of hydraulic cylinder are bolted to connection, and adjusts the position of hydraulic cylinder, and hydraulic cylinder is near the symcenter of two movable rail 4.
Present embodiment adopts two cover guiding mechanisms 6, and guiding mechanism 6 is installed in the centre of two movable rail 4, respectively installs one before and after the symmetrical hydraulic cylinder; Guidepost and orienting sleeve adopt clearance fit, an end of guidepost and the welding of the crossbeam bar of movable rail 4.
The utility model is furnished with air lift pump and hydraulic pump, air lift pump and hydraulic pump are respectively the pneumatic cylinder of launcher and the hydraulic cylinder of hydraulic means provides air pressure and hydraulic pressure, and Servocontrol device of the present utility model was controlled process of the test and regulated the synchronism of testing link by pressure and the opening time of air pressure valve, the pressure of hydraulic pump and the opening time of hydraulic pump of control air lift pump.
Claims (6)
1. front trolley impact test unit, comprise emitter, chassis, track, the rear end of chassis (2) is provided with the emitter (1) that promotes chassis (2) tangential movement, it is characterized in that: the below of described chassis (2) is provided with trapped orbit (3) and the movable rail (4) that slides for chassis (2), the below of movable rail (4) is provided with the hydraulic means (7) and the guiding mechanism (6) of control movable rail (4) lifting, the front-end and back-end of chassis (2) both sides are respectively equipped with carriage (5), the carriage (5) of chassis (2) both sides front end flexibly connects with movable rail (4), and the carriage (5) of chassis (2) rear end, both sides flexibly connects with trapped orbit (3).
2. a kind of front according to claim 1 trolley impact test unit is characterized in that: described carriage (5) is the hinge slide block, and chassis (2) is hinged with carriage (5).
3. a kind of front according to claim 1 trolley impact test unit, it is characterized in that: described hydraulic means (7) is a hydraulic cylinder, and movable rail (4) is fixedlyed connected with the piston rod of hydraulic cylinder.
4. a kind of front according to claim 1 trolley impact test unit, it is characterized in that: described guiding mechanism (6) comprises guidepost and orienting sleeve, the cylinder of guidepost and orienting sleeve flexibly connect, and an end of guidepost is fixedlyed connected with movable rail (4).
5. a kind of front according to claim 1 trolley impact test unit, it is characterized in that: described emitter (1) is a pneumatic cylinder, and the front end of pneumatic cylinder piston rod acts on the tail end of chassis (2).
6. according to any described a kind of front trolley impact test unit of claim 1 to 5, it is characterized in that: described emitter (1) and hydraulic means (7) are provided with Servocontrol device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200008325U CN202008434U (en) | 2011-01-04 | 2011-01-04 | Front trolley collision test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200008325U CN202008434U (en) | 2011-01-04 | 2011-01-04 | Front trolley collision test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202008434U true CN202008434U (en) | 2011-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200008325U Expired - Fee Related CN202008434U (en) | 2011-01-04 | 2011-01-04 | Front trolley collision test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202008434U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854021A (en) * | 2012-03-01 | 2013-01-02 | 浙江吉利汽车研究院有限公司 | Automobile collision simulation trolley device |
| CN103234727A (en) * | 2013-03-23 | 2013-08-07 | 奇瑞汽车股份有限公司 | Stringer structure for frontal offset crash test and crash test method |
| CN103278333A (en) * | 2013-03-01 | 2013-09-04 | 马鞍山市恒毅机械制造有限公司 | Rolling trolley for vehicle rolling test |
| CN103917855A (en) * | 2011-11-04 | 2014-07-09 | 伊利诺斯工具制品有限公司 | Testing equipment for crash simulation tests |
| CN104568362A (en) * | 2014-12-30 | 2015-04-29 | 浙江吉利汽车研究院有限公司 | Hydraulic sliding table brake device for vehicle sliding table test |
| CN106441956A (en) * | 2016-09-28 | 2017-02-22 | 中车株洲电力机车有限公司 | Crash test system and crash test bench for railway train |
| CN106644501A (en) * | 2016-09-19 | 2017-05-10 | 浙江吉利控股集团有限公司 | Emission adjusting mechanism of flexible leg |
| CN106769090A (en) * | 2016-12-19 | 2017-05-31 | 华南理工大学 | A kind of emitter of pedestrian protecting head module impact test |
| CN106932209A (en) * | 2017-03-31 | 2017-07-07 | 上海机动车检测认证技术研究中心有限公司 | Automotive airbag acts on detection method by mistake |
| CN110366674A (en) * | 2017-02-28 | 2019-10-22 | 国际计测器株式会社 | Impact simulation experimental rig and impact test apparatus |
| CN111919102A (en) * | 2018-04-09 | 2020-11-10 | 三菱重工机械系统株式会社 | Trolley for automobile collision test and automobile collision simulation test device |
| CN112697462A (en) * | 2021-01-26 | 2021-04-23 | 重庆长安汽车股份有限公司 | White automobile body front end dive frock in platform truck collision test |
| CN113424037A (en) * | 2019-02-20 | 2021-09-21 | 三菱重工机械系统株式会社 | Trolley for motor vehicle collision simulation test, motor vehicle collision simulation test device and motor vehicle collision simulation test method |
-
2011
- 2011-01-04 CN CN2011200008325U patent/CN202008434U/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103917855A (en) * | 2011-11-04 | 2014-07-09 | 伊利诺斯工具制品有限公司 | Testing equipment for crash simulation tests |
| US9488546B2 (en) | 2011-11-04 | 2016-11-08 | Illinois Tool Works Inc. | Testing equipment for crash simulation tests having first and second carriage arrangements |
| CN102854021A (en) * | 2012-03-01 | 2013-01-02 | 浙江吉利汽车研究院有限公司 | Automobile collision simulation trolley device |
| CN102854021B (en) * | 2012-03-01 | 2015-07-08 | 浙江吉利汽车研究院有限公司 | Automobile collision simulation trolley device |
| CN103278333A (en) * | 2013-03-01 | 2013-09-04 | 马鞍山市恒毅机械制造有限公司 | Rolling trolley for vehicle rolling test |
| CN103278333B (en) * | 2013-03-01 | 2016-01-13 | 安徽吉思特智能装备有限公司 | For the rolling chassis of automobile tumbling test test |
| CN103234727A (en) * | 2013-03-23 | 2013-08-07 | 奇瑞汽车股份有限公司 | Stringer structure for frontal offset crash test and crash test method |
| CN103234727B (en) * | 2013-03-23 | 2015-07-15 | 奇瑞汽车股份有限公司 | Stringer structure for frontal offset crash test and crash test method |
| CN104568362A (en) * | 2014-12-30 | 2015-04-29 | 浙江吉利汽车研究院有限公司 | Hydraulic sliding table brake device for vehicle sliding table test |
| CN104568362B (en) * | 2014-12-30 | 2018-05-01 | 浙江吉利汽车研究院有限公司 | Fluid pressure type slide unit brake gear is used in the experiment of vehicle slide unit |
| CN106644501A (en) * | 2016-09-19 | 2017-05-10 | 浙江吉利控股集团有限公司 | Emission adjusting mechanism of flexible leg |
| CN106644501B (en) * | 2016-09-19 | 2020-07-24 | 浙江吉利控股集团有限公司 | Flexible leg launching adjusting mechanism |
| CN106441956A (en) * | 2016-09-28 | 2017-02-22 | 中车株洲电力机车有限公司 | Crash test system and crash test bench for railway train |
| CN106441956B (en) * | 2016-09-28 | 2019-05-03 | 中车株洲电力机车有限公司 | A kind of track train impact test system and track train bump testing machine |
| CN106769090A (en) * | 2016-12-19 | 2017-05-31 | 华南理工大学 | A kind of emitter of pedestrian protecting head module impact test |
| CN106769090B (en) * | 2016-12-19 | 2023-05-23 | 华南理工大学 | A launching device for collision test of pedestrian protection head module |
| CN110366674A (en) * | 2017-02-28 | 2019-10-22 | 国际计测器株式会社 | Impact simulation experimental rig and impact test apparatus |
| CN110366674B (en) * | 2017-02-28 | 2021-10-08 | 国际计测器株式会社 | Collision simulation test device |
| CN106932209A (en) * | 2017-03-31 | 2017-07-07 | 上海机动车检测认证技术研究中心有限公司 | Automotive airbag acts on detection method by mistake |
| CN106932209B (en) * | 2017-03-31 | 2019-02-15 | 上海机动车检测认证技术研究中心有限公司 | Automotive airbag accidentally acts on detection method |
| CN111919102A (en) * | 2018-04-09 | 2020-11-10 | 三菱重工机械系统株式会社 | Trolley for automobile collision test and automobile collision simulation test device |
| CN113424037A (en) * | 2019-02-20 | 2021-09-21 | 三菱重工机械系统株式会社 | Trolley for motor vehicle collision simulation test, motor vehicle collision simulation test device and motor vehicle collision simulation test method |
| CN112697462A (en) * | 2021-01-26 | 2021-04-23 | 重庆长安汽车股份有限公司 | White automobile body front end dive frock in platform truck collision test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20190104 |