CN105388024A - Suspension bracket dynamic impact test tool - Google Patents
Suspension bracket dynamic impact test tool Download PDFInfo
- Publication number
- CN105388024A CN105388024A CN201510922939.8A CN201510922939A CN105388024A CN 105388024 A CN105388024 A CN 105388024A CN 201510922939 A CN201510922939 A CN 201510922939A CN 105388024 A CN105388024 A CN 105388024A
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- China
- Prior art keywords
- mounting bracket
- impact
- bearing structure
- mount pad
- test fixture
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vibration Dampers (AREA)
Abstract
The invention relates to a suspension bracket test tool, in particular, a suspension bracket dynamic impact test tool. The suspension bracket dynamic impact test tool includes a suspension bracket mounting base for mounting a suspension bracket, an impact transmission shaft which is installed on and is matched with the suspension bracket, an impact bearing structure and a limiting structure; the impact bearing structure includes two supporting plates which are located at two sides of the suspension bracket and are connected with the impact transmission shaft and a web connecting the two supporting plates together; and the limiting structure is used for limiting the rotation of the impact bearing structure and is located between the suspension bracket mounting base and the impact bearing structure. With the suspension bracket dynamic impact test tool of the invention adopted, individual bodies can be tested at the early stage of product development, and impact failure deformation and mechanical properties of the individual bodies in a vehicle collision process can be obtained.
Description
Technical field
The present invention relates to a kind of mounting bracket test fixture; Particularly relate to a kind of mounting bracket dynamic impulsion test fixture.
Background technology
Frontal crash of vehicles is the security incident type that occurrence frequency is the highest, and vehicle safety performance exploitation greatly energy throws front touching in the exploitation of security performance.In collision happens process, whether the ruptural deformation of some primary structures can have a significant impact collision result, the fracture of such as engine mounting.But existing technical conditions are difficult to carry out analogue simulation accurately to this kind of cast structure fracture behaviour of engine mounting, conventional way does not rupture in the definition suspension of design initial stage or rule of thumb define a specific time suspension to lose efficacy, and can greatly reduce complete automobile collision simulation accuracy like this.
Summary of the invention
The object of the invention is to solution provide and can carry out monomer assays early stage in product development, obtain the impact failure distortion of single structure in complete automobile collision process and the frock of structural mechanics characteristic.
In order to reach above-mentioned effect, the invention provides a kind of mounting bracket dynamic impulsion test fixture, comprising the mounting bracket mount pad for installing mounting bracket, with described mounting bracket, the impact transmitter shaft, impact bearing structure and the position limiting structure that coordinate being installed, described impact bearing structure comprises the two pieces of back up pads be connected with impact transmitter shaft and the web described two pieces of back up pads linked together that are positioned at described mounting bracket both sides, for limiting the described position limiting structure of impact bearing structure rotation between described mounting bracket mount pad and impact bearing structure.
Further, described anti-rotation guide frame comprises and is positioned at guide part on described mounting bracket mount pad and is positioned at the rotation preventing device that described impact bearing structure coordinates with it; The cooperation of guide part and rotation preventing device, can prevent impact bearing structure from being can not rotate relative to mounting bracket withstanding shocks, impact bearing structure is after the distortion that is hit simultaneously, rotation preventing device can slide the distortion adapting to impact bearing structure in guide part, it also avoid weakening impact bearing structure that impact bearing structure brings in order to spacing non-sliding connections to the acting force impacting transmitter shaft simultaneously; The cooperation of guide part and rotation preventing device simultaneously can weaken the function influence of the impulsive force on other directions to mounting bracket.
Further, described guide part is be opened in the chute on mounting bracket mount pad sidewall, and described rotation preventing device is the slide block coordinated with described chute; Chute is opened on mounting bracket mount pad, simple in structure.
Further, described guide part is be connected to the slide rail on described mounting bracket mount pad, described rotation preventing device be coordinate with described slide rail lead boots, structure is simple, is easy to buying.
Further, described slide block is a guide pole through two back up pads of impact bearing structure, and the two ends of described guide pole extend in described chute; Using guide pole as slide block, structure is simple.
Further, the two ends of described impact transmitter shaft are provided with axial limiting part, the setting of locating part, can prevent from impacting transmitter shaft after being subject to foreign impacts, impact transmitter shaft position and move disengaging mounting bracket or impact bearing structure.
Further, described axial limiting part is the spacing backing pin being connected to described impact transmitter shaft two ends; Arranging of spacing backing pin facilitates dismounting and change, can meet the axial limiting to impacting transmitter shaft simultaneously.
Further, described axial limiting part is for being threaded in described impact transmitter shaft two ends limited block; Be threaded convenient and reliable.
Further, be provided with horizontal adjustment packing ring between described mounting bracket and described mounting bracket mount pad, the setting of horizontal adjustment packing ring, can adjust the horizontally disposed of mounting bracket, reach the horizontally disposed position of actual installation rear suspension bracket.
Further, described mounting bracket mount pad is arranged the fixed orifice offering and be connected to by mounting bracket mount pad and collide on dolly; Offering of fixed orifice, can facilitate mounting bracket mount pad from the dismounting of collision dolly, change, increase operation rate.
Beneficial effect of the present invention is: the present invention realizes the simulated crash to single mounting bracket by replacing mounting bracket, its structural mechanics characteristic is obtained with the impact failure distortion that this obtains single mounting bracket, and be applied in complete automobile collision model, effectively can improve the collision simulation simulation precision designing early stage car load, save design time and cost of development; Also can provide good experimental situation for dynamic performance testing simultaneously, ensure that the reliability of test, for later stage finite element simulation provides believable experimental data, by changing mounting bracket, simulated crash test can be carried out to the mounting bracket of different model structure simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of mounting bracket mount pad;
Fig. 2 is the structural representation of impact bearing structure;
Fig. 3 is the syndeton schematic diagram impacting transmitter shaft and spacing backing pin;
Fig. 4 is the one-piece construction schematic diagram of mounting bracket;
Fig. 5 is the integrated model schematic diagram of a kind of mounting bracket dynamic impulsion of the present invention test fixture;
Fig. 6 is the motion schematic diagram of this frock;
In figure: 1-impacts transmitter shaft, 2-impact bearing structure, 21-back up pad, 22-connecting hole, 23-web, 3-mounting bracket, 31-mounting hole, 32-base, 4-mounting bracket mount pad, 41-web joint, 42-fixed orifice, 43-chute, 5-guide pole, 6-bolt, 7-horizontal adjustment packing ring, the spacing backing pin of 8-, 9-collides dolly, and 10-collides obstacle.
Specific embodiment
A kind of mounting bracket dynamic impulsion of the present invention test fixture, is mainly used in the simulation test of product development single mounting bracket in earlier stage, with by the impact failure distortion of single mounting bracket in crash tests, obtains the structural mechanics characteristic of mounting bracket.
A kind of mounting bracket dynamic impulsion test fixture comprises impact transmitter shaft 1, impact bearing structure 2, mounting bracket 3, mounting bracket mount pad 4, position limiting structure; The structure of mounting bracket 3 as shown in Figure 1, mounting bracket 3 has been reserved the mounting hole 31 coordinated with impact transmitter shaft 1, has been provided with installs with mounting bracket mount pad 4 base 32 coordinated in the bottom of mounting bracket 3; Mounting bracket mount pad 4 xsect is groove-like, one end of groove is provided with web joint 41, by fixed orifice 42 reserved on web joint 41, mounting bracket mount pad 4 is installed on collision dolly 9, impact bearing structure 2 comprises two back up pads be parallel to each other 21, two back up pads be parallel to each other 21 offer and impacts connecting hole 22, two pieces of back up pads 21 that transmitter shaft 1 coordinates and connected by web 23 vertical with it.Mounting bracket mount pad 4 is installed on collision dolly 9 by fixed orifice 42, and the base of mounting bracket 3 32 is connected and fixed by bolt 6 with the bottom portion of groove of mounting bracket mount pad 4, in order to make base 32 can level, be arranged with horizontal adjustment packing ring 7 at base 32, the impact transmitter shaft 1 that setting coordinates with it in the mounting hole 31 of mounting bracket 3, impacting the installation of mounting hole 31 both sides on transmitter shaft 1 impact bearing structure 2, two pieces of back up pads 21 of impact bearing structure 2 lay respectively at the both sides of mounting hole 31, depart from from mounting bracket 3 or impact bearing structure 2 to prevent impacting transmitter shaft 1, the two ends impacting transmitter shaft 1 are provided with spacing backing pin 8, owing to the forces testing of mounting bracket 3 being the horizontal force of mounting bracket 3 under normal use installment state, be provided with position limiting structure to rotating of eliminating that impact bearing structure 2 causes due to gravity or crash shock, position limiting structure comprises a guide pole 5 through two back up pads 21 of impact bearing structure 2, the chute 43 relative with two that offer on groove two inwall of mounting bracket mount pad 4, chute 43 horizontal-extending, the two ends of guide pole 5 extend in chute 43, can move under the drive of the stressed modification of impact bearing structure 2 along chute 43.
Above-mentioned position limiting structure also can be other structures, move horizontally under the drive of the stressed modification of impact bearing structure 2 as long as can meet, the structure that impact bearing structure 2 is rotated can also be supported and prevent simultaneously, such as: the slide block that position limiting structure comprises slide rail and coordinates with it, slide rail is installed on the opposing parallel facade of the groove two of mounting bracket mount pad 4, and slide block is arranged in impact bearing structure 2; Or the location swap of the two, slide block is installed on mounting bracket mount pad 4, and guide rails assembling is in impact bearing structure 2.
The above-mentioned two ends impacting transmitter shaft 1 are provided with spacing backing pin 8, prevent from impacting transmitter shaft 1 to depart from from mounting bracket 3 or impact bearing structure 2, this kind of structure is also can be other structure certainly, as long as can reach impacting the spacing of transmitter shaft 1, such as be protruding with limited block in the one end impacting transmitter shaft 1, the other end adopts spacer pin; Be protruding with limited block impacting one end of transmitter shaft 1, the other end adopts and is threaded spacing etc., or two ends all adopt the modes such as limited block that are threaded.
See Fig. 6, the test simulation of a kind of mounting bracket dynamic impulsion of the present invention test fixture, the collision dolly 9 being provided with frock of the present invention drives this frock to move right shock collision obstacle 10, impact bearing structure 2 is vertical to be bumped against with collision obstacle 10, impact bearing structure 2 be collided obstacle 10 power after impulsive force passed to impact transmitter shaft 1, impacting transmitter shaft 1 acts on mounting bracket 3, thus achieve the simulation of the impact failure modification of the single mounting bracket 3 of simulation in crash tests, to obtain its structural mechanics characteristic, thus the later stage is facilitated to optimize its structure.
The above is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; without departing from the inventive concept of the premise; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (10)
1. a mounting bracket dynamic impulsion test fixture, it is characterized in that, comprise the mounting bracket mount pad (4) for installing mounting bracket (3), with described mounting bracket (3), the impact transmitter shaft (1) coordinated is installed, impact bearing structure (2) and anti-rotation guide frame, described impact bearing structure (2) comprises the two pieces of back up pads (21) be connected with impact transmitter shaft (1) and the web (23) described two pieces of back up pads (21) linked together that are positioned at described mounting bracket (3) both sides, the described anti-rotation guide frame rotated for limiting impact bearing structure (2) is positioned between described mounting bracket mount pad (4) and impact bearing structure (2).
2. mounting bracket dynamic impulsion test fixture as claimed in claim 1, is characterized in that, described anti-rotation guide frame comprises the guide part that is positioned on described mounting bracket mount pad (4) and is positioned at the rotation preventing device that described impact bearing structure (2) coordinates with it.
3. mounting bracket dynamic impulsion test fixture as claimed in claim 2, it is characterized in that, described guide part is for being opened in the chute (43) on mounting bracket mount pad (4) sidewall, and described rotation preventing device is the slide block coordinated with described chute (43).
4. mounting bracket dynamic impulsion test fixture as claimed in claim 2, is characterized in that, described guide part for being connected to the slide rail on described mounting bracket mount pad (4), described rotation preventing device be coordinate with described slide rail lead boots.
5. mounting bracket dynamic impulsion test fixture as claimed in claim 3, it is characterized in that, described slide block is a guide pole (5) through two back up pads (21) of impact bearing structure (2), and the two ends of described guide pole (5) extend in described chute (43).
6. mounting bracket dynamic impulsion test fixture as claimed in claim 1, is characterized in that, the two ends of described impact transmitter shaft (1) are provided with axial limiting part.
7. mounting bracket dynamic impulsion test fixture as claimed in claim 6, it is characterized in that, described axial limiting part is for being connected to the spacing backing pin (8) at described impact transmitter shaft (1) two ends.
8. mounting bracket dynamic impulsion test fixture as claimed in claim 6, it is characterized in that, described axial limiting part is for being threaded in described impact transmitter shaft (1) two ends limited block.
9. mounting bracket dynamic impulsion test fixture as claimed in claim 1, is characterized in that, be provided with horizontal adjustment packing ring (7) between described mounting bracket (3) and described mounting bracket mount pad (4).
10. mounting bracket dynamic impulsion test fixture as claimed in claim, is characterized in that, offers the fixed orifice (42) be connected to by mounting bracket mount pad (4) in collision dolly (9) in the upper setting of described mounting bracket mount pad (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922939.8A CN105388024B (en) | 2015-12-14 | 2015-12-14 | Dynamic impact test tool for suspension support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922939.8A CN105388024B (en) | 2015-12-14 | 2015-12-14 | Dynamic impact test tool for suspension support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105388024A true CN105388024A (en) | 2016-03-09 |
| CN105388024B CN105388024B (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510922939.8A Active CN105388024B (en) | 2015-12-14 | 2015-12-14 | Dynamic impact test tool for suspension support |
Country Status (1)
| Country | Link |
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| CN (1) | CN105388024B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198051A (en) * | 2016-08-09 | 2016-12-07 | 浙江吉利控股集团有限公司 | A kind of rear overhang puts the dynamic impulsion device of assembly |
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| JP2006023117A (en) * | 2004-07-06 | 2006-01-26 | Honda Motor Co Ltd | Truck for vehicular collision test |
| JP2009271026A (en) * | 2008-05-12 | 2009-11-19 | Ono Sokki Co Ltd | Chassis dynamometer |
| KR20100011707A (en) * | 2008-07-25 | 2010-02-03 | 에스앤티대우(주) | Impact tester |
| KR101254049B1 (en) * | 2011-05-30 | 2013-04-12 | 주식회사화신 | Endurance testing apparatus for suspension |
| CN103196680A (en) * | 2013-03-12 | 2013-07-10 | 奇瑞汽车股份有限公司 | Combined support used for fixing suspension system and suspension system testing device |
| CN204241198U (en) * | 2014-10-23 | 2015-04-01 | 北京汽车研究总院有限公司 | A kind of frock for suspending sound stiffness test |
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| CN105059101A (en) * | 2015-07-29 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Power assembly suspension system and suspension bracket assembly |
| CN204807321U (en) * | 2015-07-03 | 2015-11-25 | 建新赵氏集团有限公司 | Rigidity test fixture of gearbox suspension |
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2015
- 2015-12-14 CN CN201510922939.8A patent/CN105388024B/en active Active
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| JP2006023117A (en) * | 2004-07-06 | 2006-01-26 | Honda Motor Co Ltd | Truck for vehicular collision test |
| JP2009271026A (en) * | 2008-05-12 | 2009-11-19 | Ono Sokki Co Ltd | Chassis dynamometer |
| KR20100011707A (en) * | 2008-07-25 | 2010-02-03 | 에스앤티대우(주) | Impact tester |
| KR101254049B1 (en) * | 2011-05-30 | 2013-04-12 | 주식회사화신 | Endurance testing apparatus for suspension |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198051A (en) * | 2016-08-09 | 2016-12-07 | 浙江吉利控股集团有限公司 | A kind of rear overhang puts the dynamic impulsion device of assembly |
| CN106198051B (en) * | 2016-08-09 | 2018-08-21 | 浙江吉利控股集团有限公司 | A kind of rear overhang sets the dynamic impulsion device of assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105388024B (en) | 2020-12-04 |
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