CN202631220U - Bump test apparatus used for detecting vehicle part safety performance - Google Patents
Bump test apparatus used for detecting vehicle part safety performance Download PDFInfo
- Publication number
- CN202631220U CN202631220U CN 201220091753 CN201220091753U CN202631220U CN 202631220 U CN202631220 U CN 202631220U CN 201220091753 CN201220091753 CN 201220091753 CN 201220091753 U CN201220091753 U CN 201220091753U CN 202631220 U CN202631220 U CN 202631220U
- Authority
- CN
- China
- Prior art keywords
- sliding part
- vehicle part
- vehicle
- collision
- test device
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a bump test apparatus used for detecting vehicle part safety performance. The bump test apparatus used for detecting vehicle part safety performance comprises an obstacle wall, a work bench, an energy-absorbing element, a sliding part, an installing plate and a vehicle part. The work bench comprises a slide rail, a first arm portion and a second arm portion. The first arm portion possesses a convex portion extending out from the surface of the slide rail; the energy-absorbing element is arranged on the surface of the slide rail and is supported against the convex portion of the first arm portion; the vehicle part is fixedly connected to the sliding part through the installing plate and is extended forward from the sliding part; the vehicle part and the sliding part move along the slide rail together toward the obstacle wall under the effect of an external force; and the vehicle part runs into the obstacle wall first, and then the sliding part runs into the energy-absorbing element. According to the bump test apparatus provided in the utility model, bump tests can be carried out to the vehicle part repeatedly, and cost is reduced.
Description
Technical field
The utility model relates generally to be used to detect the collision test device of vehicle part security performance, in particular to a kind of collision test device that is used for hood of vehicle.
Background technology
It is the important step in the vehicle safety performance R&D process that vehicle safety performance detects.The car load impact test can provide significant data for the vehicle safety performance research and development.But after the data that provide based on the car load impact test are improved vehicle safety performance, need carry out the car load impact test again again.This just makes the car load impact test of prior art have expense height, cycle length and can not solve the problems such as personal security of participating in the car load collision.
Hood of vehicle is the important energy-absorbing parts during collision before vehicle takes place.Vehicle motor reasonable in design cover on when playing energy-absorbing can also the guided vehicle nacelle favourable distortion, thereby improve car load collision safety performance.Therefore, if can carry out independent impact test to hood of vehicle, so just can be for hood of vehicle security performance research and development provide important reference data, and then research and develop for vehicle safety performance reference frame is provided.At present; The impact test of hood of vehicle all is integrated in the car load impact test usually; For this reason; Have that sample is few, cost is high, collision process is complicated, be unfavorable for accurately obtaining the data of safety of hood of vehicle, be unfavorable for the foundation of hood of vehicle realistic model and its security performance is carried out systematic research.
For this reason, expectation provides a kind of hood collision test device, and it can carry out impact test repeatedly to hood separately, has reduced cost, helps its security performance is carried out systematic study, helps setting up the hood of vehicle realistic model.
The utility model content
The purpose of the utility model provides a kind of collision test device that is used to detect the vehicle part security performance; It can carry out impact test repeatedly to vehicle parts such as hood of vehicle; Reduced cost; Help its security performance is carried out systematic study, help setting up the hood of vehicle realistic model.The purpose of the utility model is achieved through following technical scheme:
A technical scheme of the utility model provides a kind of collision test device that is used to detect the vehicle part security performance, and it comprises: be arranged on ground barrier walls; Be provided with on the ground and with the isolated worktable of barrier walls; Worktable is included in first arm and second arm that isolated two slide rails of laterally arranging in the plane, being used for of being connected with two slide rails support two slide rails; First arm and second arm are arranged on the two ends of two slide rails with relative mode, and first arm has the teat that stretches out from the surface at two slide rails places; Be arranged on the surface at slide rail place and abut to the power-absorbing on the teat of first arm; Be arranged on the sliding part on the slide rail, sliding part has the sliding part with two slide rail couplings; One side is fixed to the installing plate on the sliding part top; And vehicle part; Fixing also therefore being fixed on the sliding part and from sliding part of the opposite side of vehicle part and installing plate stretched out forward; Vehicle part externally moves towards barrier walls under the effect of acting force along two slide rails with sliding part; Vehicle part at first collides on the barrier walls with given speed, and then sliding part strikes on the power-absorbing.
The collision test device that provides according to the technique scheme of the utility model; Wherein collision test device also comprises camera head; Camera head is used to take the collision process of vehicle part and sliding part, and the analyst obtains the distortion situation of vehicle part through the collision process of analyzing the camera head shooting.
The collision test device that provides according to the technique scheme of the utility model; Wherein collision test device also comprises the acceleration transducer that is arranged on the sliding part; Acceleration transducer is measured in real time the acceleration signal of the sliding part that vehicle part is installed and this signal is passed to data collecting instrument during the collision of vehicle part and sliding part, data collecting instrument calculates the acceleration, speed of vehicle part and sliding part by acceleration signal and with on the display device that they are presented at data collecting instrument is connected.
According to the collision test device that the technique scheme of the utility model provides, wherein applied external force is provided by the coiling motor on the outside of flexible member and second arm that is arranged on worktable; Flexible member is the India rubber rope; The India rubber rope is arranged between two slide rails; One end of India rubber rope is fixed on the bottom of sliding part; The other end is walked around cylinder and is fixed to and is arranged on the ground fixed pedestal, and cylinder is fixed on first arm of worktable through two supports on first arm that is fixed in worktable, and cylinder is arranged on the below of two slide rails of worktable; But and the coiling motor is connected on the rear portion of sliding part through hawser with delivery mode; The coiling motor spurs sliding part to set a distance towards the direction away from barrier walls; Thereby make the India rubber rope store given energy; When carrying out impact test, being connected between abrupt release hawser and the sliding part, this moment, vehicle part moved towards barrier walls along slide rail under the effect of the elastic force that the India rubber rope provides with sliding part.
The collision test device that provides according to the technique scheme of the utility model, wherein the speed during the vehicle part collision is about 50 kilometers/hour.
The collision test device that provides according to the technique scheme of the utility model; Wherein the analyst finds that through the collision process of analyzing camera head and taking the vehicle part distortion is rationally and when being connected firmly; Vehicle part need further be installed to and carry out the car load impact test on the vehicle with its collision performance of further test; When showing vehicle part, the car load impact test realizes effective deformation and installs when firm that vehicle part meets the requirement of vehicle safety performance.
According to the collision test device that the technique scheme of the utility model provides, wherein vehicle part is an engine bonnet.
According to the collision test device that the technique scheme of the utility model provides, wherein power-absorbing is the honeycomb aluminium block.
According to the collision test device that the technique scheme of the utility model provides, wherein data collecting instrument is a computing machine, and display device is a display.
Advantage according to the collision test device of the utility model is: can carry out impact test repeatedly to the vehicle part of for example hood of vehicle etc., reduce cost.
According to being also advantageous in that of the collision test device of the utility model: help the vehicle part security performance of for example hood of vehicle etc. is carried out systematic study, help setting up the for example realistic model of the vehicle part security performance of hood of vehicle etc.
Description of drawings
With reference to accompanying drawing, the disclosure of the utility model will be easier to understand.Those skilled in the art are understood that easily: these accompanying drawings only are used to illustrate the technical scheme of the utility model, and are not to be intended to the protection domain of the utility model is constituted restriction.Among the figure:
Fig. 1 shows the synoptic diagram of collision test device that is used to detect the vehicle part security performance according to the utility model.
Parts and label list.
| 1 | Barrier walls |
| 2 | Worktable |
| 3 | Sliding part |
| 4 | Vehicle part |
| 5 | Power-absorbing |
| 6 | Installing plate |
| 7 | Fixed pedestal |
| 8 | Data collecting instrument |
| 9 | Motor |
| 10 | Ground |
| 11 | Hawser |
| 12 | Cylinder |
| 13 | Flexible member |
| 20a | First arm |
| 20b | Second arm |
| 22 | Slide rail |
| 30 | Acceleration transducer |
Embodiment
Fig. 1 and following declarative description the optional embodiment of the utility model how to implement with instruction those skilled in the art and reproduce the utility model.In order to instruct the utility model technical scheme, simplified or omitted some conventional aspects.Those skilled in the art should understand that the modification or the replacement that are derived from these embodiments will drop in the scope of the utility model.Those skilled in the art should understand that following characteristics can make up to form a plurality of modification of the utility model in every way.Thus, the utility model is not limited to following optional embodiment, and is only limited claim and their equivalent.
Fig. 1 shows the synoptic diagram of collision test device that is used to detect the vehicle part security performance according to the utility model.As shown in Figure 1, the collision test device that is used to detect the vehicle part security performance comprises barrier walls 1, worktable 2, sliding part 3, vehicle part 4, power-absorbing 5, installing plate 6, fixed pedestal 7, data collecting instrument 8, motor 9, hawser 11, cylinder 12, flexible member 13, acceleration transducer 30 and camera head (not shown).
Barrier walls 1 is fixed on the ground 10, and with the worktable 2 spaced apart certain distances that are arranged on the ground 10.Worktable 2 comprises two slide rails 22 (slide rail only is shown among the figure) and the first arm 20a that is fixedly connected with two slide rails 22 and the second arm 20b of the spaced apart certain distance that in a plane, laterally arranges basically; The first arm 20a and the second arm 20b are arranged on the two ends of two slide rails 22 with relative mode; The first arm 20a has the teat that extends from the surface at two slide rails 22 place, and power-absorbing 5 is arranged on the surface at slide rail 22 places and abuts on the teat of the first arm 20a.In an embodiment of the utility model, power-absorbing 5 is collision honeycomb aluminium block commonly used.
Vehicle part 4 is fixed on the sliding part 3 and from sliding part 3 through installing plate 6 and gives prominence to towards the direction of barrier walls 1.Sliding part 3 has two sliding parts with two slide rails, 22 couplings.For example in an embodiment of the utility model, vehicle part 4 is a hood.Need to prove that the crash device of the utility model can also carry out impact test to other vehicle part, sliding part 3 also can have other structure, and this also will drop in the protection domain of the utility model.
Flexible member 13 is arranged between two slide rails 22, and an end of flexible member 13 is fixed on the bottom of sliding part 3, and the other end of flexible member 13 is walked around cylinder 12 and is fixed on the fixed pedestal 7 apart from cylinder 12 certain distances.Fixed pedestal 7 is fixed on the ground 10.Cylinder 12 is fixed through two supports on the opposite side that is fixed in the first arm 20a, and two supports are arranged on the below of two slide rails 22.
But coiling motor 9 is connected to the release component (not shown) on the rear portion of sliding part 3 through coiling hawser 11, and coiling motor 9 is fixed on the outside of the second arm 20b, and coiling hawser 11 is arranged between two slide rails 22.
After flexible member 13 being elongated certain distance through coiling motor 9; But the release component between abrupt release coiling hawser 11 and the sliding part 3, the slide rail 22 of sliding part 3 worktable 2 that vehicle part 4 is installed this moment in the effect lower edge of flexible member 13 towards barrier walls 1 from static setting in motion.When the potential energy of flexible member 13 discharge basically and be converted into the kinetic energy of vehicle part 4, sliding part 3 and installing plate 6 and overcome sliding part 3 and slide rail 22 between friction force institute work the time (when the friction force between sliding part 3 and the slide rail 22 is very little; The friction force that acts on the sliding part 3 can be ignored basically); At first with given speed and barrier walls 1 collision, then sliding part 3 collides with power-absorbing 5 vehicle part 4.Camera head is used to take the collision process of vehicle part 4 and sliding part 3, and the analyst obtains the distortion situation of vehicle part through the collision process of analyzing the camera head shooting.For example in examples of implementation of the utility model, camera head is the high-speed camera of NAC GX-1 model.
Acceleration transducer 30 is arranged on the sliding part 3 and through cable and is connected with data collecting instrument 8.Acceleration transducer 30 is measured the acceleration signal of the sliding part that vehicle part is installed in real time and this signal is passed to data collecting instrument 8 during the collision of vehicle part and sliding part; Data collecting instrument 8 calculates acceleration, speed and their suffered acting forces of vehicle part and sliding part based on acceleration signal, and speed dynamically is presented on the display device that is connected with data collecting instrument 8 with acting force.For example in examples of implementation of the utility model, acceleration transducer 30 is the acceleration transducer of Endervc 7264C, and data collecting instrument is a computing machine, and display device is a display.Need to prove that those skilled in the art also can adopt other acceleration transducer according to the enlightenment of the utility model
,Computing machine and display device, and this also will drop in the protection domain of the utility model.
When utilization is carried out impact test according to the collision test device of the utility model to vehicle part 4; According to conservation of energy principle, according to the quality of collision speed of vehicle though, vehicle part 4, the elasticity coefficient of flexible member (for example India rubber rope) and the active length that the friction factor between sliding part 3 and the slide rail 22 is selected flexible member.Selected collision speed of vehicle though was stipulated that by GB1151 collision speed of vehicle though is the vehicle part impact velocity in this article when the utilization collision test device collided, for example by being generally 50 kilometers/hour.
Before utilization is carried out impact test according to the collision test device of the utility model to vehicle part 4; At first move the India rubber rope to certain-length and try emission; The requirement that whether reaches collision speed of vehicle though is bumped in the acceleration signal analysis that utilizes acceleration transducer measure to obtain, and the kinetic energy when judging whether not take place rigid collision and power-absorbing 5 and whether can enough absorb sliding part 3 collisions.According to the kinetic energy that the quality and the collision speed of vehicle though of sliding part 3 can obtain sliding part 3, select power-absorbing 5 in view of the above with sliding part 3 collisions.Usually power-absorbing 5 is selected collision honeycomb aluminium block commonly used for use, and power-absorbing 5 should fully absorb the kinetic energy with the sliding part 3 of its collision, avoids final excessive rigid collision, the damage equipment of taking place.
Behind active length that chooses flexible member and power-absorbing 5; Make power-absorbing 5 be arranged on the surface at slide rail 22 place and against the teat of the first arm 20a; Make vehicle part 4 be fixed on the sliding part 3 through installing plate 6; And utilize and to furl motor 9 and spur the sliding part 3 that vehicle part 4 is installed to the right, flexible member is carried out accumulation of energy, and abrupt release is equipped with the sliding part 3 of vehicle part 4.Under the effect of elastic force; Make the sliding part 3 that vehicle part 4 is installed to overcome the friction force between itself and the slide rail 22; And make its speed increase to vehicle part impact velocity
(for example being generally 50 kilometers/hour) from
; The vehicle part 4 and barrier walls 1 collision that stretch out from sliding part 3 this moment, sliding part 3 then collides with power-absorbing 5.Power-absorbing 5 can all absorb the kinetic energy of sliding part 3 and can not produce infringement to it, so that sliding part 3 can reuse.The sliding part 3 that vehicle part 4 is installed with the high speed video camera record obtains the collision deformation process of vehicle part from beginning to collide the overall process that finishes up to collision.In addition; The acceleration transducer 30 that is arranged on the sliding part 3 also can be at the sliding part that vehicle part 4 is installed 3 from static beginning their acceleration signal of measurement up to the whole process that collision finishes; And send data collecting instrument 8 to through cable degree of will speed up signal; Data collecting instrument 8 calculates acceleration, speed and their suffered acting forces of vehicle part and sliding part based on acceleration signal, and speed dynamically is presented on the display device that is connected with data collecting instrument 8 with acting force.
After vehicle part 4 collision finished, whether basically being connected between check vehicles parts 4 itself and vehicle part 4 and the sliding part 3 be out of shape.If not distortion then this vehicle part 4 is installed under 50 kilometers/hour speed, carries out the car load impact test on the vehicle basically; If car load collision result show vehicle part 4 with and with the basically distortion that is connected also of vehicle, show that then this vehicle part 4 adheres to specification.Otherwise; Characteristic according to impact conditions and vehicle part is carried out modeling; Reproduce this collision process; To vehicle part 4 and itself and and sliding part 3 between connecting portion design again and carry out simulation test; When simulation test showed that being connected between vehicle part 4 itself and vehicle part 4 and the sliding part 3 is not out of shape basically, the vehicle part 4 of making entity also utilized the collision test device of the utility model to carry out impact test and carry out the car load impact test, up to the requirement of satisfying the vehicle safety performance detection.
Advantage according to the collision test device of the utility model is: can carry out impact test repeatedly to the vehicle part of for example hood of vehicle etc., reduce cost.
According to being also advantageous in that of the collision test device of the utility model: help the vehicle part security performance of for example hood of vehicle etc. is carried out systematic study, help setting up the for example realistic model of the vehicle part security performance of hood of vehicle etc.
Claims (8)
1. collision test device that is used to detect the vehicle part security performance is characterized in that it comprises:
Be arranged on ground barrier walls;
Be provided with on the ground and with the isolated worktable of barrier walls; Worktable is included in first arm and second arm that isolated two slide rails of laterally arranging in the plane, being used for of being connected with two slide rails support two slide rails; First arm and second arm are arranged on the two ends of two slide rails with relative mode, and first arm has the teat that stretches out from the surface at two slide rails places;
Be arranged on the surface at slide rail place and abut to the power-absorbing on the teat of first arm;
Be arranged on the sliding part on the slide rail, sliding part has the sliding part with two slide rail couplings;
One side is fixed to the installing plate on the sliding part top; And
Vehicle part; Fixing also therefore being fixed on the sliding part and from sliding part of the opposite side of vehicle part and installing plate stretched out forward; Vehicle part externally moves towards barrier walls under the effect of acting force along two slide rails with sliding part; Vehicle part at first collides on the barrier walls with given speed, and then sliding part strikes on the power-absorbing.
2. collision test device as claimed in claim 1 is characterized in that collision test device also comprises camera head, and camera head is used to take the collision process of vehicle part and sliding part.
3. collision test device as claimed in claim 1; It is characterized in that; Collision test device also comprises the acceleration transducer that is arranged on the sliding part; Acceleration transducer is measured in real time the acceleration signal of the sliding part that vehicle part is installed and this signal is passed to data collecting instrument during the collision of vehicle part and sliding part, data collecting instrument calculates the acceleration, speed of vehicle part and sliding part by acceleration signal and with on the display device that they are presented at data collecting instrument is connected.
4. collision test device as claimed in claim 1 is characterized in that,
Applied external force is provided by the coiling motor on the outside of flexible member and second arm that is arranged on worktable;
Flexible member is the India rubber rope; The India rubber rope is arranged between two slide rails; One end of India rubber rope is fixed on the bottom of sliding part; The other end is walked around cylinder and is fixed to and is arranged on the ground fixed pedestal, and cylinder is fixed on first arm of worktable through two supports on first arm that is fixed in worktable, and cylinder is arranged on the below of two slide rails of worktable; And
But the coiling motor is connected on the rear portion of sliding part through hawser with delivery mode; The coiling motor spurs sliding part to set a distance towards the direction away from barrier walls; Thereby make the India rubber rope store given energy; When carrying out impact test, being connected between abrupt release hawser and the sliding part, this moment, vehicle part moved towards barrier walls along slide rail under the effect of the elastic force that the India rubber rope provides with sliding part.
5. collision test device as claimed in claim 1 is characterized in that, the speed during the vehicle part collision is about 50 kilometers/hour.
6. collision test device as claimed in claim 1 is characterized in that, vehicle part is an engine bonnet.
7. collision test device as claimed in claim 1 is characterized in that, power-absorbing is the honeycomb aluminium block.
8. collision test device as claimed in claim 3 is characterized in that, data collecting instrument is a computing machine, and display device is a display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220091753 CN202631220U (en) | 2012-03-13 | 2012-03-13 | Bump test apparatus used for detecting vehicle part safety performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220091753 CN202631220U (en) | 2012-03-13 | 2012-03-13 | Bump test apparatus used for detecting vehicle part safety performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631220U true CN202631220U (en) | 2012-12-26 |
Family
ID=47384411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220091753 Expired - Fee Related CN202631220U (en) | 2012-03-13 | 2012-03-13 | Bump test apparatus used for detecting vehicle part safety performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202631220U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949841A (en) * | 2014-03-31 | 2015-09-30 | 上海汽车集团股份有限公司 | Device used for automobile collision avoidance test |
| CN105513479A (en) * | 2016-01-15 | 2016-04-20 | 浙江海洋学院 | Collision device with cushioning mechanism |
| CN108398274A (en) * | 2018-01-31 | 2018-08-14 | 北京汽车股份有限公司 | Test coaster |
| CN114279871A (en) * | 2021-12-22 | 2022-04-05 | 江苏安锦橡胶有限公司 | A strength test device for rubber fender |
-
2012
- 2012-03-13 CN CN 201220091753 patent/CN202631220U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949841A (en) * | 2014-03-31 | 2015-09-30 | 上海汽车集团股份有限公司 | Device used for automobile collision avoidance test |
| CN105513479A (en) * | 2016-01-15 | 2016-04-20 | 浙江海洋学院 | Collision device with cushioning mechanism |
| CN108398274A (en) * | 2018-01-31 | 2018-08-14 | 北京汽车股份有限公司 | Test coaster |
| CN114279871A (en) * | 2021-12-22 | 2022-04-05 | 江苏安锦橡胶有限公司 | A strength test device for rubber fender |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202631220U (en) | Bump test apparatus used for detecting vehicle part safety performance | |
| US9470606B2 (en) | System force-deformation modeling apparatuses and methods | |
| CN104089690B (en) | Charge station's vehicle dynamic weighing evaluation method and device | |
| CN204479258U (en) | The quick-fried shock table of air bag point | |
| CN201935798U (en) | Rolling stock variable gradient impact test line | |
| CN106248335B (en) | The monitoring system and real-time diagnosis method of non-navigation bridge pier anticollision | |
| CN104764577A (en) | Tire radial impact test device and method | |
| CN103063746A (en) | Signal acquisition device for knocking scanning-type bridge damage detection | |
| CN104515660A (en) | Vibration test bench for automotive suspension | |
| CN105352693A (en) | Method and device of implementation of crash test of side surface of body-in-white through mobile deformable barrier | |
| CN103076277A (en) | Knocking load applying device for knocking scan type bridge damage detecting | |
| CN104913894A (en) | Horizontal impact test method and horizontal impact test device for pipeline whip preventing device | |
| CN109556883B (en) | Automobile unmanned experiment simulation collision measuring device | |
| CN104215422B (en) | A kind of dynamometry compensation system for vehicle-bridge system wind tunnel test under vehicle situation of movement | |
| CN111089786A (en) | Device and method for testing impact damage of steel wire rope | |
| CN109489928A (en) | B-pillar assembly components grade collision test device and test method | |
| CN206667122U (en) | A kind of shock resistance highway barrier | |
| CN210923089U (en) | Bending test detection device for automobile bumper | |
| RU2493550C2 (en) | Method to crash-test cars with frontal attack | |
| CN104748933B (en) | A kind of damping bumper detection means | |
| CN204535942U (en) | A kind of Vehicle Suspension Vibration testing table | |
| NL2030586B1 (en) | Comprehensive safety test system and method of vehicle power battery box based on temperature control | |
| CN106441794B (en) | A kind of six component aerodynamics force measurement device of high-speed rain movable model type | |
| CN203405341U (en) | Apparatus for measuring rail vehicle end relation | |
| CN213779748U (en) | Anti-collision beam bending test device |
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: 20121226 Termination date: 20210313 |