CN204944841U - The adjustable independent suspension of a kind of hard spot is comprehensive performance test bed - Google Patents
The adjustable independent suspension of a kind of hard spot is comprehensive performance test bed Download PDFInfo
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- CN204944841U CN204944841U CN201520331218.5U CN201520331218U CN204944841U CN 204944841 U CN204944841 U CN 204944841U CN 201520331218 U CN201520331218 U CN 201520331218U CN 204944841 U CN204944841 U CN 204944841U
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Abstract
It is comprehensive performance test bed that the utility model relates to the adjustable independent suspension of a kind of hard spot, comprise base, load maintainer, orientation adjustment mechanism, 1/4 sprung mass and bracket institution, described a series of mechanisms are all located on base, and wherein 1/4 sprung mass is connected with part orientation adjustment mechanism and bracket institution respectively.The utility model has extremely strong function and versatility and structure is simple, characteristics of compact layout, cost are low, be easy to control.
Description
Technical field
The utility model relates to the testing table of the vertical kinematic behavior of a kind of Direct wheel drives system and suspension moving characteristics, and it is comprehensive performance test bed to be specifically related to the adjustable independent suspension of a kind of hard spot.
Background technology
Now about the problem of environmental protection and the energy receives much concern, particularly outstanding at automotive field, for alleviating these problems, electric automobile presents the trend of accelerated development.Wherein, distributed-driving electric automobile, realizes turning to the outstanding advantages such as differential and Anti-slip regulation because its compact conformation, transmission are efficient and can directly control each Electric Motor Wheel by modern computer control technology, becomes the development trend of power assembly system of electric vehicle.
But distributed-driving electric automobile is owing to introducing wheel hub motor (or wheel motor adds reducing gear), unsprung mass is caused significantly to increase, thus cause car load spring carried mass unbalance with the ratio of nonspring carried mass, cause the especially vertical penalty of road holding, directly affects promoting the use of of the type electric motor car.Therefore, be necessary to carry out vertical dynamics test, for the vertical performance improving Direct wheel drives electric automobile provides foundation to wheel limit power drive system.
In addition, the guidance system of Independent Suspension, as the important component part of electric automobile, determines automotive suspension kinematics characteristic parameter, thus directly has influence on car load control stability.So be necessary equally to carry out suspension kinematical test, for the optimal design of suspension guide mechanism and the reasonable Arrangement of vehicle body hinge provide foundation to wheel limit power drive system.
Therefore, for carrying out deep experimental study to these problems, improving the versatility of testing table simultaneously, needing the exploitation that the adjustable independent suspension of a kind of hard spot is comprehensive performance test bed.
Utility model content
The purpose of this utility model be exactly for further investigation the problems referred to above and provide a kind of adapt to various structures form, different hard spot location parameter wheel limit suspension system and the adjustable independent suspension of hard spot of characteristics of compact layout, practicality and high efficiency is comprehensive performance test bed.
The purpose of this utility model can be achieved through the following technical solutions:
The adjustable independent suspension of a kind of hard spot is comprehensive performance test bed, comprise base, load maintainer, orientation adjustment mechanism, 1/4 sprung mass and bracket institution, described a series of mechanisms are all located on base, and wherein 1/4 sprung mass is connected with orientation adjustment mechanism and bracket institution respectively.
Described load maintainer comprises electric baseboard, section bar support, motor, end cap, ball screw, cylinder, bearing, card extender and slide block guide rail, described electric baseboard is connected with base by bolt, described section bar support is connected with electric baseboard by angle bar, described motor is connected with end cap and ball screw respectively by bolt and is arranged on electric baseboard, described ball screw to be connected with end cap by bearing and to be connected with cylinder by bolt, described card extender is connected with cylinder by bolt, described slide block guide rail is connected with card extender and bearing respectively by bolt, described bearing is connected with end cap by bolt.
Described orientation adjustment mechanism comprises portal frame, cradle head of two degrees of freedom, section bar column, backing plate and six degree of freedom platform, described backing plate is connected with base by bolt, described section bar column is connected with backing plate and portal frame respectively by angle bar, described cradle head of two degrees of freedom is connected with portal frame by bolt, and described six degree of freedom platform is connected with little support seat by bolt.
Described bracket institution comprises section material framework and angle seat, and described angle seat is connected with section material framework and base respectively by bolt.
1/4 described sprung mass is connected with bracket institution with slide block guide rail by card extender, and has been bolted large support seat and little support seat.
The utility model gives prominence to the adjustable characteristic in hard spot position to be suitable for the wheel limit suspension system of various structures form, different hard spot location parameter.Using the concrete orientation of selling in suspension and vehicle bridge pin joint place rubber bushing as regulating target, determining in space that the concrete orientation of pin at least needs five variablees, can be the x of pin centroid position, y, the angle of certain two plane in z tri-coordinate figures and pin and xy, yz or xz.Determine three offset variables of pin in space by portal frame, determine two angle variables of pin in space by cradle head of two degrees of freedom, after the locus of pin is accurately positioned, regulate the anchor point in six degree of freedom platform to arrive precalculated position and locking.Compared with prior art, the utility model reaches the adjustable object in hard spot position by mechanical hook-up and electric control gear, is applicable to the wheel limit suspension system of various structures form, different hard spot location parameter.In addition, there is extremely strong function and versatility and structure is simple, characteristics of compact layout, cost are low, be easy to control.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is load maintainer structural representation of the present utility model;
Fig. 3 is orientation adjustment mechanism structure schematic diagram of the present utility model.
Attached number in the figure illustrates:
1---base; 2---angle seat; 3---section material framework;
41,42---slide block guide rail; 51,52---card extender;
6---1/4 sprung mass;
7---support seat greatly; 8---little support seat; 9---cylinder;
10---bearing; 11---ball screw; 12---end cap;
13---motor; 14---section bar support; 15---electric baseboard;
16---cradle head of two degrees of freedom; 17---portal frame;
18---six degree of freedom platform;
19---section bar column;
20---backing plate.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1-Figure 3, the adjustable independent suspension of a kind of hard spot is comprehensive performance test bed, comprise base 1, load maintainer, orientation adjustment mechanism, 1/4 sprung mass 6 and bracket institution, described a series of mechanisms are all located on base, and wherein 1/4 sprung mass 6 is connected with part orientation adjustment mechanism and bracket institution respectively.This testing table can carry out vertical dynamics and suspension kinematical experiment to the wheel limit suspension system of various structures form, different hard spot location parameter, the location of hard spot in three displacements and two angle directions can be realized by portal frame 17 and cradle head of two degrees of freedom 16, and by six degree of freedom platform 18, locking be carried out to the hard spot behind location.
Described load maintainer comprises electric baseboard 15, section bar support 14, motor 13, end cap 12, ball screw 11, cylinder 9, bearing 10, card extender 52 and slide block guide rail 42, described electric baseboard 15 is connected with base 1 by bolt, described section bar support 14 is connected with electric baseboard 15 by angle bar, described motor 13 is connected with end cap 12 and ball screw 11 respectively by bolt and is arranged on electric baseboard 15, described ball screw 11 to be connected with end cap 12 by bearing and to be connected with cylinder 9 by bolt, described card extender 52 is connected with cylinder 9 by bolt, described slide block guide rail 42 is connected with card extender 52 and bearing 10 respectively by bolt, described bearing 10 is connected with end cap 12 by bolt.It is made to produce vertical excitation by controlling motor 13, the excitation produced is passed to cylinder 9 by ball screw 11, cylinder 9 can make catenary motion within the specific limits by the guide effect of slide block guide rail 42, and experimental subjects (wheel limit power drive system) is namely located on cylinder 9, so just can carry out vertical excitation to experimental subjects, and then gather experimental data.
Described orientation adjustment mechanism comprises portal frame 17, cradle head of two degrees of freedom 16, section bar column 19, backing plate 20 and six degree of freedom platform 18, described backing plate 20 is connected with base 1 by bolt, described section bar column 19 is connected with backing plate 20 and portal frame 17 respectively by angle bar, described cradle head of two degrees of freedom 16 is connected with portal frame 17 by bolt, and described six degree of freedom platform 18 is connected with little support seat 8 by bolt.The portal frame 17 of electric-controlled type and cradle head of two degrees of freedom 16 can meet the requirement that controlled hard spot is accurately positioned in the displacement of three, space and two angle directions.Six degree of freedom platform 18 can do the motion of three sense of displacement and the rotation around own axes within the specific limits, thus meets the requirement of the hard spot behind locking location.
Described bracket institution comprises section material framework 3 and angle seat 2, and described angle seat 2 is connected with section material framework 3 and base 1 respectively by bolt.
1/4 described sprung mass 6 is connected with bracket institution with slide block guide rail 41 by card extender 51, and has been bolted large support seat 7 and little support seat 8.Little support seat 8 designs for connecting six degree of freedom platform, large support seat 7 designs for connecting spring bumper in experimental subjects, what 1/4 sprung mass 6 was simulated is 1/4 car weight, hole uniform on it and its to make catenary motion by slide block guide rail 41 be all design in order to the versatility of testing table, namely can further facilitate the wheel limit suspension system of the various structures form that is suitable for flexibly, different hard spot location parameter.
During above-mentioned testing table work, excitation is produced by motor 13, hard spot is located by portal frame 17 and cradle head of two degrees of freedom 16, by six degree of freedom platform 18 locking hard spot, and then can test and data acquisition the wheel limit suspension system of various structures form, different hard spot location parameter, extremely strong function and versatility is had compared with existing stand.
Claims (5)
1. the adjustable independent suspension of hard spot is comprehensive performance test bed, it is characterized in that, comprise base, load maintainer, orientation adjustment mechanism, 1/4 sprung mass and bracket institution, described load maintainer, orientation adjustment mechanism are all located on described base, and wherein 1/4 sprung mass is connected with orientation adjustment mechanism and bracket institution respectively.
2. the adjustable independent suspension of a kind of hard spot according to claim 1 is comprehensive performance test bed, it is characterized in that, described load maintainer comprises electric baseboard, section bar support, motor, end cap, ball screw, cylinder, bearing, card extender and slide block guide rail, described electric baseboard is connected with base by bolt, described section bar support is connected with electric baseboard by angle bar, described motor is connected with end cap and ball screw respectively by bolt and is arranged on electric baseboard, described ball screw to be connected with end cap by bearing and to be connected with cylinder by bolt, described card extender is connected with cylinder by bolt, described slide block guide rail is connected with card extender and bearing respectively by bolt, described bearing is connected with end cap by bolt.
3. the adjustable independent suspension of a kind of hard spot according to claim 1 is comprehensive performance test bed, it is characterized in that, described orientation adjustment mechanism comprises portal frame, cradle head of two degrees of freedom, section bar column, backing plate and six degree of freedom platform, described backing plate is connected with base by bolt, described section bar column is connected with backing plate and portal frame respectively by angle bar, described cradle head of two degrees of freedom is connected with portal frame by bolt, and described six degree of freedom platform is connected with little support seat by bolt.
4. the adjustable independent suspension of a kind of hard spot according to claim 1 is comprehensive performance test bed, it is characterized in that, described bracket institution comprises section material framework and angle seat, and described angle seat is connected with section material framework and base respectively by bolt.
5. the adjustable independent suspension of a kind of hard spot according to claim 1 is comprehensive performance test bed, it is characterized in that, 1/4 described sprung mass is connected with bracket institution with slide block guide rail by card extender, and has been bolted large support seat and little support seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331218.5U CN204944841U (en) | 2015-05-21 | 2015-05-21 | The adjustable independent suspension of a kind of hard spot is comprehensive performance test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331218.5U CN204944841U (en) | 2015-05-21 | 2015-05-21 | The adjustable independent suspension of a kind of hard spot is comprehensive performance test bed |
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| Publication Number | Publication Date |
|---|---|
| CN204944841U true CN204944841U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520331218.5U Expired - Fee Related CN204944841U (en) | 2015-05-21 | 2015-05-21 | The adjustable independent suspension of a kind of hard spot is comprehensive performance test bed |
Country Status (1)
| Country | Link |
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| CN (1) | CN204944841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679996A (en) * | 2017-03-09 | 2017-05-17 | 湖北车桥有限公司 | Automobile front axle running-in test bed |
| CN107290152A (en) * | 2016-04-11 | 2017-10-24 | 重庆车辆检测研究院有限公司 | Electric Motor Wheel and intelligent suspension system multifunctional integrated experimental bench |
-
2015
- 2015-05-21 CN CN201520331218.5U patent/CN204944841U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290152A (en) * | 2016-04-11 | 2017-10-24 | 重庆车辆检测研究院有限公司 | Electric Motor Wheel and intelligent suspension system multifunctional integrated experimental bench |
| CN107290152B (en) * | 2016-04-11 | 2024-04-26 | 招商局检测车辆技术研究院有限公司 | Multifunctional comprehensive test bed for electric wheel and intelligent suspension system |
| CN106679996A (en) * | 2017-03-09 | 2017-05-17 | 湖北车桥有限公司 | Automobile front axle running-in test bed |
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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 |
Granted publication date: 20160106 Termination date: 20180521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |