CN105388024B - Dynamic impact test tool for suspension support - Google Patents
Dynamic impact test tool for suspension support Download PDFInfo
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- CN105388024B CN105388024B CN201510922939.8A CN201510922939A CN105388024B CN 105388024 B CN105388024 B CN 105388024B CN 201510922939 A CN201510922939 A CN 201510922939A CN 105388024 B CN105388024 B CN 105388024B
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- impact
- suspension bracket
- mounting seat
- bearing structure
- suspension
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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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- General Physics & Mathematics (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a dynamic impact test tool for a suspension bracket, and relates to a test tool for the suspension bracket, which comprises a suspension bracket mounting seat for mounting the suspension bracket, an impact transmission shaft, an impact bearing structure and a limiting structure, wherein the impact transmission shaft is mounted and matched with the suspension bracket, the impact bearing structure comprises two supporting plates which are positioned at two sides of the suspension bracket and connected with the impact transmission shaft, a web plate for connecting the two supporting plates together, and the limiting structure for limiting the rotation of the impact bearing structure is positioned between the suspension bracket mounting seat and the impact bearing structure.
Description
Technical Field
The invention relates to a suspension bracket testing tool; in particular to a dynamic impact test tool for a suspension bracket.
Background
The front collision of the automobile is the type of safety accident with the highest occurrence frequency, and a great part of the development of the safety performance of the automobile is focused on the development of the safety performance of the front collision. During a vehicle collision, the fracture deformation of some main structures, such as the fracture of an engine mount, has a great influence on the collision result. However, the existing technical conditions are difficult to carry out accurate simulation on the fracture behavior of the cast structure of the engine mount, and the conventional method is to define that the mount does not fracture at the initial design stage or define the mount failure within a specific time according to experience, so that the collision simulation precision of the whole vehicle is greatly reduced.
Disclosure of Invention
The invention aims to provide a tool which can perform a monomer test at the early stage of product development and obtain the impact failure deformation and the structural mechanical property of a single structure in the whole vehicle collision process.
In order to achieve the effect, the invention provides a dynamic impact testing tool for a suspension bracket, which comprises a suspension bracket mounting seat for mounting the suspension bracket, an impact transmission shaft, an impact bearing structure and a limiting structure, wherein the impact transmission shaft is mounted and matched with the suspension bracket, the impact bearing structure comprises two supporting plates which are positioned at two sides of the suspension bracket and connected with the impact transmission shaft, and a web plate for connecting the two supporting plates together, and the limiting structure for limiting the rotation of the impact bearing structure is positioned between the suspension bracket mounting seat and the impact bearing structure.
Furthermore, the anti-rotation guide structure comprises a guide part positioned on the mounting seat of the suspension bracket and an anti-rotation part positioned on the impact bearing structure and matched with the impact bearing structure; the guide part is matched with the anti-rotating part, so that the impact bearing structure can be prevented from rotating relative to the suspension bracket when bearing impact, and meanwhile, after the impact bearing structure is deformed by impact, the anti-rotating part can slide in the guide part to adapt to the deformation of the impact bearing structure, and the acting force of the impact bearing structure on an impact transmission shaft is prevented from being weakened due to the non-sliding connection of the impact bearing structure for limiting; meanwhile, the influence of impact force in other directions on the suspension bracket can be weakened by the matching of the guide part and the anti-rotating part.
Further, the guide part is a sliding groove formed in the side wall of the mounting seat of the suspension bracket, and the anti-rotation part is a sliding block matched with the sliding groove; the spout is seted up on the suspension mount pad, and is simple in structure.
Further, the guide part is connected slide rail on the suspension support mount pad, prevent changeing the piece for with slide rail complex leads boots, simple structure, easily purchase.
Furthermore, the sliding block is a guide rod penetrating through the two support plates of the impact bearing structure, and two ends of the guide rod extend into the sliding groove; the guide rod is used as a slide block, and the structure is simple.
Furthermore, the two ends of the impact transmission shaft are provided with axial limiting parts, and the limiting parts can prevent the impact transmission shaft from moving away from the suspension bracket or the impact bearing structure after being impacted by the outside.
Further, the axial limiting pieces are limiting stop pins connected to two ends of the impact transmission shaft; the limiting stop pin is convenient to disassemble and replace, and can limit the impact transmission shaft axially.
Furthermore, the axial limiting pieces are limiting blocks which are in threaded connection with two ends of the impact transmission shaft; the threaded connection is convenient and reliable.
Furthermore, a horizontal adjusting gasket is arranged between the suspension support and the suspension support mounting seat, and the horizontal arrangement of the suspension support can be adjusted by the horizontal adjusting gasket, so that the horizontal arrangement position of the suspension support after actual installation is reached.
Further, a fixing hole for connecting the mounting seat of the suspension bracket to the collision trolley is formed in the mounting seat of the suspension bracket; the fixed orifices are arranged, so that the mounting seat of the suspension bracket can be conveniently detached and replaced from the collision trolley, and the utilization rate is improved.
The invention has the beneficial effects that: the invention realizes the simulation collision of a single suspension bracket by replacing the suspension bracket, so as to obtain the impact failure deformation of the single suspension bracket to obtain the structural mechanical property of the single suspension bracket, and the single suspension bracket is applied to a whole vehicle collision model, thereby effectively improving the collision simulation precision of the whole vehicle in the early stage of design and saving the design time and the development cost; meanwhile, a good experimental environment can be provided for dynamic performance testing, the reliability of testing is guaranteed, credible experimental data are provided for later finite element simulation, and meanwhile, the suspension supports of different models and structures can be subjected to simulated collision testing by replacing the suspension supports.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic diagram of a mounting base of a suspension bracket;
FIG. 2 is a schematic structural view of an impact-bearing structure;
FIG. 3 is a schematic view of a connection structure of the impact transmission shaft and the limit stopper pin;
FIG. 4 is a schematic view of the overall structure of the suspension bracket;
FIG. 5 is a schematic diagram of the overall mechanism of a dynamic impact testing tool for a suspension bracket according to the present invention;
FIG. 6 is a schematic diagram of the movement of the tooling;
in the figure: 1-impact transmission shaft, 2-impact bearing structure, 21-support plate, 22-connecting hole, 23-web plate, 3-suspension support, 31-mounting hole, 32-base, 4-suspension support mounting seat, 41-connecting plate, 42-fixing hole, 43-sliding groove, 5-guide rod, 6-bolt, 7-horizontal adjusting washer, 8-limit stop pin, 9-collision trolley and 10-collision barrier.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The invention relates to a dynamic impact test tool for a suspension bracket, which is mainly used for simulation test of a single suspension bracket in the early stage of product development so as to obtain the structural mechanical characteristics of the suspension bracket through impact failure deformation of the single suspension bracket in a collision test.
A dynamic impact test tool for a suspension bracket comprises an impact transmission shaft 1, an impact bearing structure 2, a suspension bracket 3, a suspension bracket mounting seat 4 and a limiting structure; the suspension bracket 3 has a structure as shown in fig. 1, a mounting hole 31 matched with the impact transmission shaft 1 is reserved on the suspension bracket 3, and a base 32 matched with the suspension bracket mounting seat 4 is arranged at the bottom of the suspension bracket 3; the cross section of the suspension support mounting seat 4 is groove-shaped, a connecting plate 41 is arranged at one end of the groove, the suspension support mounting seat 4 is mounted on the collision trolley 9 through a fixing hole 42 reserved in the connecting plate 41, the impact bearing structure 2 comprises two parallel supporting plates 21, the two parallel supporting plates 21 are provided with connecting holes 22 matched with the impact transmission shaft 1, and the two supporting plates 21 are connected through a web plate 23 vertical to the two supporting plates. The suspension bracket mounting seat 4 is mounted on the collision trolley 9 through a fixing hole 42, the base 32 of the suspension bracket 3 is fixedly connected with the bottom of the groove of the suspension bracket mounting seat 4 through a bolt 6, and a horizontal adjusting washer 7 is arranged below the base 32 in order to enable the base 32 to be horizontal; the shock transmission shaft 1 matched with the mounting hole 31 of the suspension bracket 3 is arranged in the mounting hole 31 of the suspension bracket 3, the shock bearing structures 2 are arranged at two sides of the mounting hole 31 on the shock transmission shaft 1, two support plates 21 of the shock bearing structures 2 are respectively positioned at two sides of the mounting hole 31, in order to prevent the shock transmission shaft 1 from being separated from the suspension bracket 3 or the shock bearing structures 2, two ends of the shock transmission shaft 1 are provided with limit stop pins 8, and as the stress test on the suspension bracket 3 is the horizontal force of the suspension bracket 3 in a normal use and mounting state, the limit structure is arranged to eliminate the rotation of the shock bearing structures 2 caused by gravity or collision vibration; the limiting structure comprises a guide rod 5 penetrating through the two supporting plates 21 of the impact bearing structure 2 and two opposite sliding grooves 43 formed in the two inner walls of the groove of the suspension bracket mounting seat 4, the sliding grooves 43 extend horizontally, and the two ends of the guide rod 5 extend into the sliding grooves 43 and can move along the sliding grooves 43 under the driving of the stress deformation of the impact bearing structure 2.
The above-mentioned limit structure may be other structures as well, as long as can satisfy horizontal migration under the drive of the impact bearing structure 2 atress variant, can also support and prevent the impact bearing structure 2 pivoted structure simultaneously, for example: the limiting structure comprises a sliding rail and a sliding block matched with the sliding rail, the sliding rail is arranged on two opposite parallel vertical surfaces of the groove of the mounting seat 4 of the suspension bracket, and the sliding block is arranged on the impact bearing structure 2; or the positions of the two are interchanged, the slide block is arranged on the mounting seat 4 of the suspension bracket, and the guide rail is arranged on the impact bearing structure 2.
The two ends of the impact transmission shaft 1 are provided with the limit stop pins 8 to prevent the impact transmission shaft 1 from being separated from the suspension bracket 3 or the impact bearing structure 2, and the structure can be other structures as long as the limit of the impact transmission shaft 1 can be achieved, for example, one end of the impact transmission shaft 1 protrudes with a limit block, and the other end adopts a limit pin; a limiting block protrudes from one end of the impact transmission shaft 1, the other end of the impact transmission shaft is in threaded connection limiting and the like, or the two ends of the impact transmission shaft are in threaded connection limiting and the like.
Referring to fig. 6, the test simulation of the dynamic impact test tool for the suspension bracket of the invention is that a collision trolley 9 provided with the tool of the invention drives the tool to move right to impact a collision barrier 10, an impact bearing structure 2 vertically collides with the collision barrier 10, the impact bearing structure 2 transmits impact force to an impact transmission shaft 1 after receiving the force of the collision barrier 10, and the impact transmission shaft 1 acts on the suspension bracket 3, so that the simulation of impact failure deformation of a single suspension bracket 3 in a collision test is realized, the structural mechanical property of the suspension bracket is obtained, and the structure of the suspension bracket is conveniently optimized in the later stage.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the spirit of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The dynamic impact testing tool for the suspension support is characterized by comprising a suspension support mounting seat (4) for mounting the suspension support (3), an impact transmission shaft (1) which is mounted and matched with the suspension support (3), an impact bearing structure (2) and an anti-rotation guide structure, wherein the impact bearing structure (2) comprises two support plates (21) which are positioned at two sides of the suspension support (3) and connected with the impact transmission shaft (1) and a web plate (23) which connects the two support plates (21) together, and the anti-rotation guide structure for limiting the rotation of the impact bearing structure (2) is positioned between the suspension support mounting seat (4) and the impact bearing structure (2);
the anti-rotation guide structure comprises a guide part positioned on the mounting seat (4) of the suspension bracket and an anti-rotation part positioned on the impact bearing structure (2) and matched with the impact bearing structure;
the guide part is a sliding groove (43) formed in the side wall of the mounting seat (4) of the suspension bracket, and the anti-rotation part is a sliding block matched with the sliding groove (43); or the guide part is a slide rail connected to the mounting seat (4) of the suspension bracket, and the anti-rotation part is a guide shoe matched with the slide rail;
and axial limiting parts are arranged at two ends of the impact transmission shaft (1).
2. The dynamic impact testing tool for the suspension bracket according to claim 1, wherein the sliding block is a guide rod (5) penetrating through two support plates (21) of the impact bearing structure (2), and two ends of the guide rod (5) extend into the sliding grooves (43).
3. The dynamic impact testing tool for the suspension bracket according to claim 1, wherein the axial limiting members are limiting stop pins (8) connected to two ends of the impact transmission shaft (1).
4. The dynamic impact testing tool for the suspension bracket according to claim 1, wherein the axial limiting members are limiting blocks which are in threaded connection with two ends of the impact transmission shaft (1).
5. The dynamic impact test tool for the suspension bracket according to claim 1, wherein a horizontal adjusting washer (7) is arranged between the suspension bracket (3) and the suspension bracket mounting seat (4).
6. The dynamic impact test tool for the suspension bracket according to claim 1, wherein a fixing hole (42) for connecting the suspension bracket mounting seat (4) to the collision trolley (9) is formed in the suspension bracket mounting seat (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 CN105388024A (en) | 2016-03-09 |
| CN105388024B true CN105388024B (en) | 2020-12-04 |
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| 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 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009271026A (en) * | 2008-05-12 | 2009-11-19 | Ono Sokki Co Ltd | Chassis dynamometer |
| 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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006023117A (en) * | 2004-07-06 | 2006-01-26 | Honda Motor Co Ltd | Truck for vehicular collision test |
| KR100975965B1 (en) * | 2008-07-25 | 2010-08-13 | 에스앤티대우(주) | Impact tester |
| KR101254049B1 (en) * | 2011-05-30 | 2013-04-12 | 주식회사화신 | Endurance testing apparatus for suspension |
| CN103196680B (en) * | 2013-03-12 | 2015-09-23 | 奇瑞汽车股份有限公司 | For sectional shelf-unit and the suspension system proving installation of fixing suspension system |
| CN204649441U (en) * | 2015-05-27 | 2015-09-16 | 上海汇众汽车制造有限公司 | Back axle high frequency test casing jockey and test-bed thereof |
| CN204807321U (en) * | 2015-07-03 | 2015-11-25 | 建新赵氏集团有限公司 | Rigidity test fixture of gearbox suspension |
| 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 |
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2015
- 2015-12-14 CN CN201510922939.8A patent/CN105388024B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009271026A (en) * | 2008-05-12 | 2009-11-19 | Ono Sokki Co Ltd | Chassis dynamometer |
| 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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| CN105388024A (en) | 2016-03-09 |
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