CN109506952A - A kind of collision prevention girders bend resistance detection device - Google Patents
A kind of collision prevention girders bend resistance detection device Download PDFInfo
- Publication number
- CN109506952A CN109506952A CN201811380188.1A CN201811380188A CN109506952A CN 109506952 A CN109506952 A CN 109506952A CN 201811380188 A CN201811380188 A CN 201811380188A CN 109506952 A CN109506952 A CN 109506952A
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- CN
- China
- Prior art keywords
- collision prevention
- prevention girders
- girder
- detection device
- fixedly connected
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
Abstract
The invention discloses a kind of collision prevention girders bend resistance detection devices, collision prevention girders include the girder being fixedly connected sequentially, a pair of of energy-absorption box and mounting plate, including base stage and portal frame, base stage is to install collision prevention girders, collision prevention girders are fixedly connected by mounting plate with base stage, and base stage is fixedly connected with a pair of of sliding rail；Portal frame is built on base stage and is slidably connected with sliding rail, and collision prevention girders are arranged in portal frame bottom, and portal frame is hung oneself equipped with the briquetting for depressing girder.If collision prevention girders generate deformation, energy-absorption box can also generate deformation, and the intensity distribution of the girder and energy-absorption box that illustrate this collision prevention girders is uniform；If the girder of collision prevention girders is crushed, and energy-absorption box does not generate deformation, then girder intensity is too low；If collision prevention girders do not generate any deformation, and energy-absorption box is crushed completely, then girder intensity is excessively high.
Description
Technical field
The invention belongs to the technical fields of auto parts and components detection, specifically, being related to a kind of collision prevention girders bend resistance detection
Device.
Background technique
Collision prevention girders are a kind of devices for absorbing collision energy when vehicle is collided for mitigating, by girder, energy-absorption box, even
The mounting plate composition of automobile is connect, girder, energy-absorption box can effectively absorb collision energy when low speed collision occurs for vehicle, to the greatest extent may be used
Damage of the impact force to chassis runner can be reduced, just played its protective effect to vehicle in this way.It can be seen that anticollision
Beam absorbs the collective effect that collision energy needs girder and energy-absorption box, could be by its Function to a greater extent.It is many at present
In rear-ended car accident, after car crass, the girder of collision prevention girders is directly connected to chassis runner after being directly crushed bending, and inhales
Energy box does not generate deformation, so that energy-absorption box does not play due energy-absorbing function, at this time, it is seen that and the intensity of girder is inadequate, because
This needs to be installed on vehicle body using preceding progress bend resistance detection in collision prevention girders, needs design specialized detection device.
Summary of the invention
For deficiency above-mentioned in the prior art, the present invention provides a kind of collision prevention girders bend resistance detection device, this detection dress
It sets for detecting whether energy-absorption box before girder is bent by thorough conquassation generates deformation, to detect the too small anticollision of girder intensity
Thus beam instructs the design of collision prevention girders and production.
To achieve the goals above, the invention provides the following technical scheme:
A kind of collision prevention girders bend resistance detection device, collision prevention girders include the girder being fixedly connected sequentially, a pair of of energy-absorption box and peace
Loading board, including base stage and portal frame, base stage connect to install collision prevention girders, collision prevention girders by the way that mounting plate and base stage are fixed
It connects, base stage is fixedly connected with a pair of of sliding rail；Portal frame is built on base stage and is slidably connected with sliding rail, and collision prevention girders are arranged in
Portal frame bottom, portal frame are hung oneself equipped with the briquetting for depressing girder.
In one embodiment of this invention, portal frame include a column and be fixedly connected between the opposition top end
Crossbeam, prolong its length direction on column and be recessed with sliding slot, briquetting both ends are slidedly arranged in sliding slot.
In one embodiment of this invention, configured with the capstan winch for lifting by crane briquetting, the freedom of the rope of capstan winch on crossbeam
End is fixedly connected with the hook for hanging briquetting.
In one embodiment of this invention, capstan winch is set as electric capstan.
In one embodiment of this invention, the lifting lug for connecting hook is fixedly connected at the top of briquetting.
In one embodiment of this invention, briquetting bottom is fixedly connected with curved flanges.
In one embodiment of this invention, sliding rail and collision prevention girders parallelly distribute on.
In one embodiment of this invention, configured with the connected unit for connection plate, connected unit fovea superior on base stage
Equipped with the default screw hole for connection plate.
Technical solution of the present invention has the beneficial effect that:
Portal frame in this detection device can be moved relative to collision prevention girders to be tested, thus to the girder of collision prevention girders
The various pieces of length direction carry out crash tests, and multiple impacts can be carried out to the girder of collision prevention girders, in collision process, pressure
The gravity of block is directly applied to girder；If collision prevention girders generate deformation, energy-absorption box can also generate deformation, illustrate this anticollision
The girder of beam and the intensity distribution of energy-absorption box are uniform；If the girder of collision prevention girders is crushed, and energy-absorption box does not generate deformation, then leads
Beam strength is too low；If collision prevention girders do not generate any deformation, and energy-absorption box is crushed completely, then girder intensity is excessively high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of collision prevention girders bend resistance detection device of the invention.
Fig. 2 is the structural schematic diagram of portal frame.
In attached drawing:
10- collision prevention girders, 11- girder, 12- energy-absorption box, 21- base stage, 22- sliding rail, 30- portal frame, 31- column, 32- are horizontal
Beam, 33- capstan winch, 34- hook, 40- briquetting, 41- lifting lug, 42- curved flanges.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Term " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relatively heavy
The property wanted.
In addition, term " parallel ", " vertical " etc. are not offered as requiring component absolute parallel or vertical, but can slightly incline
Tiltedly.It is not to indicate that the structure has to put down completely if " parallel " only refers to that its direction is more parallel with respect to for " vertical "
Row, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.
For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Below in conjunction with attached drawing, the invention will be further described:
Referring to attached drawing 1 and attached drawing 2, the present invention provides a kind of 10 bend resistance detection device of collision prevention girders, collision prevention girders 10 include according to
The secondary girder 11 being fixedly connected, a pair of of energy-absorption box 12 and mounting plate, including base stage 21 and portal frame 30, base stage 21 is to pacify
Collision prevention girders 10 are filled, collision prevention girders 10 are fixedly connected by mounting plate with base stage 21, and base stage 21 is fixedly connected with a pair of of sliding rail 22；
Portal frame 30 is built on base stage 21 and is slidably connected with sliding rail 22, and collision prevention girders 10 are arranged in 30 bottom of portal frame, portal frame
30 hang oneself equipped with the briquetting 40 for depressing girder 11.
It should be noted that the portal frame 30 in this detection device can be moved relative to collision prevention girders 10 to be tested,
To which the various pieces to 11 length directions of girder of collision prevention girders 10 carry out crash tests, and can girder 11 to collision prevention girders 10
Multiple impacts are carried out, in collision process, the gravity of briquetting 40 is directly applied to girder 11；If collision prevention girders 10 generate the same of deformation
When, energy-absorption box 12 can also generate deformation, and the intensity distribution of the girder 11 and energy-absorption box 12 that illustrate this collision prevention girders 10 is uniform；If anti-
The girder 11 for hitting beam 10 is crushed, and energy-absorption box 12 does not generate deformation, then 11 intensity of girder is too low；If collision prevention girders 10 do not generate
Any deformation, and energy-absorption box 12 is crushed completely, then 11 intensity of girder is excessively high.
In the present embodiment, portal frame 30 includes a column 31 and is fixedly connected between 31 top of the column
Crossbeam 32 prolongs its length direction on column 31 and is recessed with sliding slot, and 40 both ends of briquetting are slidedly arranged in sliding slot, so that briquetting 40 exists
During up and down motion, shaking will not be generated, ensure that the stability of device.Configured with for lifting by crane briquetting 40 on crossbeam 32
Capstan winch 33, capstan winch 33 is set as electric capstan 33, and the free end of the rope of capstan winch 33 is fixedly connected with for hanging briquetting 40
Hook 34.The lifting lug 41 for connecting hook 34 is fixedly connected at the top of briquetting 40.
It should be noted that hook 34 is in lifting lug 41, electric mincing after collision prevention girders 10 are installed on base stage 21
Disk 33 stops after driving briquetting 40 to be promoted to certain altitude, agitates the junction of hook 34 with lifting lug 41 using iron staff etc. at this time,
So that hook 34 falls off from lifting lug 41, under self-gravity action, acceleration is fallen on girder 11 briquetting 40, is carried out to girder 11
It hits；It is significant to note that, for safety, utilizing electricity at this time when by the installation to base stage 21 of collision prevention girders 10
Briquetting 40 is only promoted segment distance by dynamic capstan winch 33, it is only necessary to and collision prevention girders 10 can pass through below briquetting 40, this avoid
It falls even if briquetting 40 is unexpected, workpiece or personal injury will not be caused, and be also convenient for observation briquetting 40 and finally drop down onto master
The specific drop point of beam 11.If 40 drop point of briquetting needs to adjust, i.e. promotion portal frame 30 is mobile on sliding rail 22, same to duration
It is noted that the transverse shifting of portal frame 30, can install driving motor on portal frame 30, using being mounted on portal frame 30
The idler wheel of bottom rolls on sliding rail 22 generates the traversing of portal frame 30.
In the present embodiment, 40 bottom of briquetting is fixedly connected with curved flanges 42, and the lateral length of briquetting 40 itself is long-range
In the width of girder 11, it is in order to generate concentrated force to girder 11, so that same gravity generates that curved flanges 42, which are arranged such,
To the bigger pressure of girder 11.
Crash tests are carried out to the different location of girder 11 for the ease of briquetting 40, in the present embodiment, sliding rail 22 and anticollision
10 parallelly distribute on of beam.
In the present embodiment, configured with the connected unit for connection plate on base stage 21, connected unit is concavely provided with use
In the default screw hole of connection plate, consequently facilitating by 10 Fast Installation of collision prevention girders on base stage 21, and such connection
Mode more realistically simulates the mounting structure and working environment of collision prevention girders 10, to be more advantageous to carry out validity test.
More, in the present embodiment, it is welded with metal frame above briquetting 40, pouring weight, example can be added in metal frame
As cast iron simulates different impact forces so as to adjust the lower pressure that briquetting 40 generates girder 11.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of collision prevention girders bend resistance detection device, which includes the girder being fixedly connected sequentially, a pair of of energy-absorption box and peace
Loading board, characterized in that include:
Base stage, to install collision prevention girders, which is fixedly connected by mounting plate with base stage, which is fixedly connected
There is a pair of of sliding rail；And
Portal frame, portal frame are built on base stage and are slidably connected with sliding rail, which is arranged in the portal frame bottom, dragon
Door frame is hung oneself equipped with the briquetting for depressing girder.
2. detection device according to claim 1, characterized in that the portal frame include a column and be fixedly connected with
Crossbeam between the opposition top end prolongs its length direction on the column and is recessed with sliding slot, which is slidedly arranged on the sliding slot
It is interior.
3. detection device according to claim 2, characterized in that configured with the strand for lifting by crane the briquetting on the crossbeam
Disk, the free end of the rope of capstan winch are fixedly connected with the hook for hanging the briquetting.
4. detection device according to claim 3, characterized in that the capstan winch is set as electric capstan.
5. detection device according to claim 3 or 4, characterized in that be fixedly connected at the top of the briquetting for connecting this
The lifting lug of hook.
6. detection device according to claim 1 or 2, characterized in that the briquetting bottom is fixedly connected with curved flanges.
7. detection device according to claim 1, characterized in that the sliding rail and the collision prevention girders parallelly distribute on.
8. detection device according to claim 1, characterized in that configured with for connecting the mounting plate on the base stage
Connected unit, connected unit are concavely provided with the default screw hole for connecting the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380188.1A CN109506952A (en) | 2018-11-20 | 2018-11-20 | A kind of collision prevention girders bend resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380188.1A CN109506952A (en) | 2018-11-20 | 2018-11-20 | A kind of collision prevention girders bend resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109506952A true CN109506952A (en) | 2019-03-22 |
Family
ID=65749166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811380188.1A Pending CN109506952A (en) | 2018-11-20 | 2018-11-20 | A kind of collision prevention girders bend resistance detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109506952A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203336A (en) * | 2021-04-22 | 2021-08-03 | 安徽工程大学 | Detection tool for connecting piece of front-end anti-collision beam and energy absorption box of automobile |
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| KR20120127757A (en) * | 2011-05-11 | 2012-11-26 | 주식회사 성우하이텍 | Bumper stay unit for vehicle |
| CN202827752U (en) * | 2012-09-05 | 2013-03-27 | 郑州宇通客车股份有限公司 | Direct impact conquassation energy absorption structure of passenger car and passenger car with the same |
| CN103175697A (en) * | 2013-02-27 | 2013-06-26 | 同济大学 | Car anti-collision beam detecting method based on safety performance |
| CN204128769U (en) * | 2014-09-26 | 2015-01-28 | 重庆长江轴承股份有限公司 | Hub bearing impact testing machine |
| CN105444976A (en) * | 2015-11-30 | 2016-03-30 | 芜湖普威技研有限公司 | Anti-collision performance detection apparatus for anti-collision beam |
| CN207351645U (en) * | 2017-08-16 | 2018-05-11 | 徐胜良 | A kind of automobile buffer beam collision experiment measuring and controlling equipment |
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2018
- 2018-11-20 CN CN201811380188.1A patent/CN109506952A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120127757A (en) * | 2011-05-11 | 2012-11-26 | 주식회사 성우하이텍 | Bumper stay unit for vehicle |
| CN202827752U (en) * | 2012-09-05 | 2013-03-27 | 郑州宇通客车股份有限公司 | Direct impact conquassation energy absorption structure of passenger car and passenger car with the same |
| CN103175697A (en) * | 2013-02-27 | 2013-06-26 | 同济大学 | Car anti-collision beam detecting method based on safety performance |
| CN204128769U (en) * | 2014-09-26 | 2015-01-28 | 重庆长江轴承股份有限公司 | Hub bearing impact testing machine |
| CN105444976A (en) * | 2015-11-30 | 2016-03-30 | 芜湖普威技研有限公司 | Anti-collision performance detection apparatus for anti-collision beam |
| CN207351645U (en) * | 2017-08-16 | 2018-05-11 | 徐胜良 | A kind of automobile buffer beam collision experiment measuring and controlling equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203336A (en) * | 2021-04-22 | 2021-08-03 | 安徽工程大学 | Detection tool for connecting piece of front-end anti-collision beam and energy absorption box of automobile |
| CN113203336B (en) * | 2021-04-22 | 2023-08-01 | 安徽工程大学 | Check tool for connecting piece of front end anti-collision beam and energy-absorbing box of automobile |
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Application publication date: 20190322 |