CN2743819Y - Automobile chassis road imitation tester - Google Patents
Automobile chassis road imitation tester Download PDFInfo
- Publication number
- CN2743819Y CN2743819Y CN 200420110213 CN200420110213U CN2743819Y CN 2743819 Y CN2743819 Y CN 2743819Y CN 200420110213 CN200420110213 CN 200420110213 CN 200420110213 U CN200420110213 U CN 200420110213U CN 2743819 Y CN2743819 Y CN 2743819Y
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- fitting surface
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Abstract
The utility model discloses an automobile chassis road imitation simulation tester. The utility model comprises that a base comprises an upper flat plate, a lower flat plate and a structural support which is connected with the upper flat plate and the lower flat plate; a fixed mechanism device, is arc hollow structure, is connected with the base, and is provided with a suspension system fitting surface, a steering system steering post fitting surface, a first car frame system fitting surface, a second car frame system fitting surface, a first steering engine system fitting surface and a second steering engine system fitting surface; a test fixture, is fixed on the fitting surface of the fixed mechanism device, and comprises a hanging test fixture, a car frame front assembly fixture, a car frame back assembly fixture, a steering post fixed fixture and a steering engine system test fixture. The tester of the utility model has commonality and lower using cost, can be used to carry out the simulation test of the chassis and each subsystem road, and accurately evaluates the characteristics of the handle strength and the running of the chassis system.
Description
Technical field
The utility model relates to the automotive test device, more particularly, relate to a kind of automobile chassis road analogy test unit, it can reproduce the entrucking state of automobile chassis reality in automobile, satisfy the assembly relation in its space, realize that automobile chassis actual stand under load in trap for automobile travels concerns.
Background technology
At present, an important method to automobile chassis intensity and ride characteristic evaluation is exactly to carry out the road analogy test in testing laboratory.For this reason, must design corresponding test unit is installed to testing table with chassis assembly and gets on.Yet because the chassis system of automobile vendor's major concern oneself exploitation, thereby the test unit that designs and be not suitable for other chassis system, versatility do not had.This has just caused the cost of test to improve, so, in the field, just needing a kind of simulation test device with versatility, it can be applicable to various types of automobile chassises, simulates the different kinds of roads operating mode, thereby reduces the cost of test.
The utility model content
The purpose of this utility model provides a kind of automobile chassis road analogy test unit, and it has versatility, applicable to various types of automobile chassises, has guaranteed precision of test result again when accomplishing to reduce testing cost.
According to the utility model, a kind of automobile chassis road analogy test unit is provided, comprising:
Pedestal, pedestal comprise upper flat plate, following flat board and connect dull and stereotyped up and down supporting construction;
The solid mechanical device, the solid mechanical device is the arc hollow structure, be connected in described pedestal, have suspension fitting surface, steering steering column fitting surface, the first frame system and frame fitting surface, the second frame system and frame fitting surface, the first steering box system fitting surface and the second steering box system fitting surface on the described solid mechanical device;
Test fixture is installed on the fitting surface of described solid mechanical device, comprises the hanging test anchor clamps, is installed on the suspension fitting surface of described solid mechanical device; Assembling jig before the vehicle frame is installed on the second frame system and frame fitting surface of described solid mechanical device; Assembling jig behind the vehicle frame is installed on the first frame system and frame fitting surface of described solid mechanical device; The steering column stationary fixture is installed on the steering steering column fitting surface of described solid mechanical device; And steering box system test anchor clamps are installed on the first steering box system fitting surface of described solid mechanical device.
According to an embodiment of the present utility model, connecting dull and stereotyped up and down supporting construction in the described pedestal is several liftable support columns.But and this pedestal also comprise the turbine and worm left and right adjusting that can stretch up and down manual lead screw and can before and after the hydraulic stem regulated.Wherein, also open on the upper flat plate in the described pedestal and be milled with many dovetail grooves.
According to an embodiment of the present utility model, the first steering box system fitting surface in the described solid mechanical device and the second steering box system fitting surface are used for the steering box system and are fixed on chassis on the vehicle body.
According to an embodiment of the present utility model, the second vehicle frame fitting surface in the described solid mechanical device and the first steering box system fitting surface are used for the chassis of compact sedan frame system.
According to an embodiment of the present utility model, also has the fixedly fixed orifice of brake system brake piping and power steering pipeline and steering booster on the described solid mechanical device.
According to an embodiment of the present utility model, described solid mechanical device provides the engine wobble support to load the arc hollow structure of passage along the vehicle heading front end.
It is not interchangeable that the technical solution of the utility model has solved orthodox car chassis road analogy test unit, the problem of versatility difference, a kind of general test unit that can be used for most chassis systems is proposed, make for different chassis systems, by minimum change, just can the practical set of true reappearance chassis system in car load concern, the warranty test result farthest simulates the operating position of chassis system on real road, greatly reduces the cost of test when the working strength to chassis system carries out correct evaluation.
Description of drawings
Above-mentioned and other feature and advantage of the present utility model will become more obvious after following description in conjunction with the accompanying drawings and embodiments, identical in the accompanying drawings mark is represented identical feature, wherein:
Fig. 1 is the one-piece construction figure of automobile chassis road analogy test unit of the present utility model;
Fig. 2 is the decomposition chart of automobile chassis road analogy test unit of the present utility model;
Fig. 3 A and 3B are the structural drawing of solid mechanical device in the automobile chassis road analogy test unit of the present utility model;
Fig. 4 is the structural drawing of test fixture in the automobile chassis road analogy test unit of the present utility model;
Fig. 5 is a pedestal load-bearing capacity curve map in the automobile chassis road analogy test unit of the present utility model.
Embodiment
Further describe the technical solution of the utility model below in conjunction with drawings and Examples.
The purpose of this utility model is in order to solve the noninterchangeability problem of present automobile chassis road analogy test unit.The utility model can propose a general test unit at the overwhelming majority's chassis system.For this reason, the utility model has adopted the test unit with following structure, and with reference to figure 1 as seen, this device comprises three main parts:
Pedestal 100, pedestal 100 comprise upper flat plate 102, following flat board 104 and connect dull and stereotyped up and down supporting construction 106.
Solid mechanical device 200, solid mechanical device 200 is the arc hollow structure, be connected in described pedestal 100, have suspension fitting surface 202, steering steering column fitting surface 204, the first frame system and frame fitting surface 206, the second frame system and frame fitting surface 208, the first steering box system fitting surface 210 and the second steering box system fitting surface 212 on the solid mechanical device 200; As shown in the figure, solid mechanical device 200 provides the engine wobble support to load the arc hollow structure 214 of passage along the vehicle heading front end.
Test fixture 300 is installed on the fitting surface of solid mechanical device 200, comprises hanging test anchor clamps 302, is installed on the suspension fitting surface 202 of solid mechanical device; Assembling jig 304 before the vehicle frame is installed on the second frame system and frame fitting surface 208 of solid mechanical device; Assembling jig 306 behind the vehicle frame, are installed on the first frame system and frame fitting surface 206 of solid mechanical device; Steering column stationary fixture 308 is installed on the steering steering column fitting surface 204 of solid mechanical device; And steering box system test anchor clamps 310 are installed on the first steering box system fitting surface 210 of solid mechanical device.
Wherein, according to embodiment shown in Figure 1, connecting dull and stereotyped up and down supporting construction 1 06 in the pedestal 100 is several liftable support columns 108, is 4 (108a, 108b, 108c and 108d) in this embodiment.But the pedestal 100 among this embodiment also comprise turbine and worm 110 left and right adjusting that can stretch up and down the manual lead screw (not shown) and can before and after the hydraulic stem (not shown) of regulating.Pedestal 100 is by turbine and worm 110 and movably support column 108 can be in smooth adjusting between the ± 200mm up and down.About can regulate at ± 20mm by manual lead screw, and front and back can be regulated in the scope of about 20mm by extraneous hydraulic power push-and-pull.By the adjusting of these different directions, just can adapt to the chassis system of multiple vehicle.Simultaneously, in this embodiment, the length of upper flat plate 102 is 2200mm, and width is 960mm; Dull and stereotyped 104 length are 1900mm down, and width is 600mm.Upper flat plate 102 polishing and open and be milled with many dovetail grooves 112, the effect of dovetail groove 112 are to drop on solid mechanical device 200 on the pedestal 100 for mount pad.Also polish upper and lower dull and stereotyped 102,104 bottom surface, pedestal 100 entirely is placed on the macrotype platform that provides of test place, and utilizes special pressing plate to fasten with it.The depth of parallelism between the flat board is in 0.25mm up and down.For pedestal, its intensity is an important parameters, on the pedestal Intensity Design of the present utility model in order to consider the vehicle of different stage, its load-bearing capacity reaches on the following Fx of 20Hz, Fy, three directions of Fz and is respectively ± 45KN, be decremented to 20KN between the 20-50HZ, concrete pedestal load-bearing capacity curve can be as shown in Figure 5.
The basic structure of the solid mechanical device 200 in the utility model has adopted the method for arc design; From machining angle, it is the ghost shape based on the steel plate weldment in the middle of it, forms an arc hollow structure.And at the stressed key position of main body, throat thickness is that 8 millimeters steel plate is used as reinforcement, guarantees the working strength of agent structure.On the other hand, in the configuration design of solid mechanical device 200, to take into account various chassis form, to guarantee to satisfy actual spatial kinetics relation between vehicle frame, suspension, braking and the steering at the space of chassis system fit on, any interference and coupling situation can not in process of the test, occur.Accompanying drawing 3A and 3B show the structural drawing of an embodiment of solid mechanical device 200, and wherein Fig. 3 A is the view in a side the place ahead and Fig. 3 B is the view of a proceeds posterolateral.As shown, solid mechanical device 200 comprises each following fitting surface:
Having said structure solid mechanical device is the preceding bridge system that is used for the chassis, and for the back bridge system on chassis, its solid mechanical Design of device principle is consistent.
Said fixing mechanical hook-up 200 of the present utility model has been taken into account two kinds of main engines and chassis matching way, and a kind of is run-in index (for example popular (VW) vehicle), and a kind of is rectilinear (for example Audi (Audi) vehicle).Two kinds turn to arrangement about having taken into account for steering.Suspension has adopted " carrying on the shoulder " formula structure, and vehicle frame adopts " great-leap-forward " structure, turns to employing " superposing type " structure, and " adhesion type " structure is adopted in braking.Solid mechanical device 200 is connected with pedestal, for example can be attached in the dovetail groove 112 on the upper flat plate 102 of pedestal 100 by trapezoidal briquetting, and be threaded by high strength.In processing, to process corresponding fitting surface according to the different fixing mode of aforesaid each subsystem of chassis system, and locate by pin, the machining precision of fitting surface is controlled at below the 0.05mm.Simultaneously on general solid mechanical device, process positioning hole corresponding, and they are installed the basic reference coordinate point that the back three-dimensional coordinates measurement is checked as the chassis.
For the requirement of strength of solid mechanical device 200, the dynamic load that can list with reference to following table:
| The load form | Maximum load | Loading velocity | The maximum load frequency |
| Longitudinal force Fx | 40KN | 2-3m/s | About 50Hz |
| Side force Fy | 40KN | 2-3m/s | |
| Vertical force Fz | 45KN | 5-8m/s | |
| Flare square Mx | 6KNm | 300-500o/s |
| Drive braking square My | 6KNm | 400-600o/s | |
| Turn to square Mz | 4.5KNm | 800-1200o/s (core wheel place) | |
| Steering force F1 | 35KN | 650-800N/s |
Another critical piece of the present utility model is exactly a test fixture 300, and test fixture 300 comprises a plurality of assemblies, is installed in respectively on the corresponding fitting surface of solid mechanical device 200.In conjunction with shown in Figure 4, test fixture 300 mainly comprises: hanging test anchor clamps 302 are installed on the suspension fitting surface 202 of solid mechanical device; Assembling jig 304 before the vehicle frame is installed on the second frame system and frame fitting surface 208 of solid mechanical device; Assembling jig 306 behind the vehicle frame, are installed on the first frame system and frame fitting surface 206 of solid mechanical device; Steering column stationary fixture 308 is installed on the steering steering column fitting surface 204 of solid mechanical device; And steering box system test anchor clamps 310 are installed on the first steering box system fitting surface 210 of solid mechanical device.Test fixture generally is to be fixed on the corresponding fitting surface of solid mechanical device 200 by high-intensity being threaded.
Test fixture 300 is to be exactly with the reference surface of the corresponding fitting surface on the solid mechanical device 200 as design in design, carries out specialized designs in conjunction with concrete chassis structure.Since the fitting surface of chassis and vehicle body often spatially with X, Y, there is certain angle on the Z plane, consistent in order to guarantee the mode of installing on the chassis with virtual condition, precision with the test of assurance road analogy is high as much as possible, high-strength bolt and high-precision register pin are adopted in connection between the test fixture 300 different assemblies, make whole rigidity consistent as far as possible with real vehicle with intensity.Simultaneously, offer convenience to disassemble and assemble work, the precision after it is reinstalled keeps inconvenience, need guarantee on the whole that error between the actual design value of chassis alignment error and vehicle is in 0.25mm.
Equally, the requirement of intensity is also arranged for test fixture 300, for example, for B level car, the requirement of load such as following table:
| The load form | Maximum load | Loading velocity | The maximum load frequency |
| Longitudinal force Fx | 20KN | 2-3m/s | About 50Hz |
| Side force Fy | 15KN | 2-3m/s | |
| Vertical force Fz | 20KN | 5.5-6.5m/s |
| Flare square Mx | 4KNm | 300-500o/s | |
| Drive braking square My | 4KNm | 450-550o/s | |
| Turn to square Mz | 4KNm | 800-1200o/s (core wheel place) | |
| Subframe rocker Fp | 25KN | 2-3m/s | |
| Steering force F1 | 20KN | 400-600N/s |
The beneficial effects of the utility model are because this chassis road analogy test test unit has versatility, to have determined that its use cost is lower.In addition; come to carry out each subsystem road analogy test of chassis with it in testing laboratory; can formally criticize the working strength of antenatal correct evaluation chassis system at vehicle; reduction is recalled because of the unnecessary automobile that automobile chassis system zero component defect causes, and has protected the rights and interests of user vehicle and automobile vendor simultaneously.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present utility model; those skilled in the art can be under the situation that does not break away from invention thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection domain of the present utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (8)
1. an automobile chassis road analogy test unit is characterized in that, comprising:
Pedestal (100), pedestal (100) comprise upper flat plate (102), down dull and stereotyped (104) and connect dull and stereotyped up and down supporting construction (106);
Solid mechanical device (200), solid mechanical device (200) is the arc hollow structure, be connected in described pedestal (100), have suspension fitting surface (202), steering steering column fitting surface (204), the first frame system and frame fitting surface (206), the second frame system and frame fitting surface (208), the first steering box system fitting surface (210) and the second steering box system fitting surface (212) on the described solid mechanical device (200);
Test fixture (300) is installed on the fitting surface of described solid mechanical device (200), comprises hanging test anchor clamps (302), is installed on the suspension fitting surface (202) of described solid mechanical device; Assembling jig (304) before the vehicle frame is installed on the second frame system and frame fitting surface (208) of described solid mechanical device; Assembling jig behind the vehicle frame (306) is installed on the first frame system and frame fitting surface (206) of described solid mechanical device; Steering column stationary fixture (308) is installed on the steering steering column fitting surface (204) of described solid mechanical device; And steering box system test anchor clamps (310) are installed on the first steering box system fitting surface (210) of described solid mechanical device.
2. test unit as claimed in claim 1 is characterized in that, connecting dull and stereotyped up and down supporting construction (106) in the described pedestal (100) is several liftable support columns (108).
3. test unit as claimed in claim 2 is characterized in that, described pedestal (100) also comprise a turbine and worm (110) that can stretch up and down but the manual lead screw of left and right adjusting and can before and after the hydraulic stem regulated.
4. as each described test unit in the claim 1,2,3, it is characterized in that, open on the upper flat plate in the described pedestal (100) and be milled with many dovetail grooves (112).
5. test unit as claimed in claim 1 is characterized in that, the first steering box system fitting surface (210) in the described solid mechanical device and the second steering box system fitting surface (212) are used for the steering box system and are fixed on chassis on the vehicle body.
6. test unit as claimed in claim 1 is characterized in that, the second vehicle frame fitting surface (208) in the described solid mechanical device (200) and the first steering box system fitting surface (210) are used for the chassis of compact sedan frame system.
7. test unit as claimed in claim 1 is characterized in that, also has the fixedly fixed orifice of brake system brake piping and power steering pipeline and steering booster on the described solid mechanical device (200).
8. test unit as claimed in claim 1 is characterized in that, described solid mechanical device (200) provides the engine wobble support to load the arc hollow structure (214) of passage along the vehicle heading front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420110213 CN2743819Y (en) | 2004-11-24 | 2004-11-24 | Automobile chassis road imitation tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420110213 CN2743819Y (en) | 2004-11-24 | 2004-11-24 | Automobile chassis road imitation tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2743819Y true CN2743819Y (en) | 2005-11-30 |
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ID=35633837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420110213 Expired - Lifetime CN2743819Y (en) | 2004-11-24 | 2004-11-24 | Automobile chassis road imitation tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2743819Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217299A (en) * | 2013-03-28 | 2013-07-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Subjective evaluation system for automobile chassis properties based on driving simulator |
| CN103792092A (en) * | 2012-10-26 | 2014-05-14 | 北京宝克测试系统有限公司 | Force loading method used for vehicle chassis test |
| CN109033726A (en) * | 2018-09-19 | 2018-12-18 | 江铃汽车股份有限公司 | The durable analysis method of intensity and rack of chassis suspension based on FInite Element |
| CN111721540A (en) * | 2019-03-22 | 2020-09-29 | 郑州宇通重工有限公司 | Sanitation car cleans executive component analogue test device and bearing structure thereof |
-
2004
- 2004-11-24 CN CN 200420110213 patent/CN2743819Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792092A (en) * | 2012-10-26 | 2014-05-14 | 北京宝克测试系统有限公司 | Force loading method used for vehicle chassis test |
| CN103792092B (en) * | 2012-10-26 | 2016-12-21 | 北京博科测试系统股份有限公司 | The method of vehicle chassis test loading force |
| CN103217299A (en) * | 2013-03-28 | 2013-07-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Subjective evaluation system for automobile chassis properties based on driving simulator |
| CN109033726A (en) * | 2018-09-19 | 2018-12-18 | 江铃汽车股份有限公司 | The durable analysis method of intensity and rack of chassis suspension based on FInite Element |
| CN109033726B (en) * | 2018-09-19 | 2022-11-29 | 江铃汽车股份有限公司 | Finite element method-based chassis suspension system strength and rack durability analysis method |
| CN111721540A (en) * | 2019-03-22 | 2020-09-29 | 郑州宇通重工有限公司 | Sanitation car cleans executive component analogue test device and bearing structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141124 Granted publication date: 20051130 |