CN110006666A - Passenger car McPherson strut control arm assembly Bench Test System - Google Patents
Passenger car McPherson strut control arm assembly Bench Test System Download PDFInfo
- Publication number
- CN110006666A CN110006666A CN201910348002.2A CN201910348002A CN110006666A CN 110006666 A CN110006666 A CN 110006666A CN 201910348002 A CN201910348002 A CN 201910348002A CN 110006666 A CN110006666 A CN 110006666A
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- control arm
- seat
- linear actuator
- arm assembly
- load
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of passenger car McPherson strut control arm assembly Bench Test Systems, the system control arm ball stud end is connect with load seat, load seat is connected by a hinge with guide rod, and the axis of guide rod is vertical with the plane where the central point of ball stud and busing axis, limit the vertical deviation of control arm ball stud, it is loaded using a linear actuator pair and the torsion seat of control arm assembly bushing end coaxial, the vertical bounce at real vehicle control arm assembly ball stud end is transformed into the torsion at bushing end, reduce influence of the vertical load to lateral load and longitudinal loading simultaneously.Lateral to load linear actuator and load seat uses flexural pivot chain link laterally and in longitudinal loading mechanism, longitudinal linear actuator and load seat of loading reduces influencing each other for transverse load and longitudinal loading using being rigidly connected；The present invention realizes mechanically decoupled, and loading spectrum iteration precision can be improved, improve the accuracy of bench test.
Description
Technical field
The invention belongs to auto parts and components bench test technical fields, are related to a kind of passenger car McPherson strut control
Arm assembly Bench Test System.
Background technique
The MacPherson strut critical component that control arm assembly is in automobile, is the guiding and power transmission of suspension system
Element, the various power that will act on wheel pass to vehicle body, while guaranteeing that wheel is moved by certain track.
Currently, to control arm assembly rack examination there are mainly two types of mode, one, be directed to control arm bush Assembly, ball stud
Assembly, control arm structural member carry out independent bench test examination；Two, in 12 or 24 channel Road Simulation Tests to control arm into
Row examination.Based on the first assessed form is tested with single-piece, the examination particularly with rubber bushing class is not comprehensive, is difficult to accomplish platform
The failure mode of frame is consistent with considered repealed form.The experimentation cost of second scheme is high, needs if you need to access control arm assembly
Other sprung parts accompany examination, and the period at high cost is long.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of control arm assembly rack examinations of passenger car McPherson strut
Check system, which can simulate stress condition of the control arm assembly under real vehicle state, and individually access control arm assembly is resistance to
The accuracy of long property, bench test verifying is high.
In order to solve the above-mentioned technical problem, passenger car McPherson strut of the invention control arm assembly bench test system
Uniting includes rack, the first linear actuator, guide rod, guide holder, load seat, the second linear actuator, third linear actuator,
Upper bed-plate, lower bottom base reverse seat；Upper bed-plate and lower bottom base are fixed on rack, reverse the upper end of seat by upper torsional axis with it is upper
Pedestal is flexibly connected, and the lower end for reversing seat is flexibly connected by lower torsional axis with lower bottom base, reverse seat can relative to upper bed-plate with
Lower bottom base rotation；Small end bushing, the big end bushing of control arm assembly pass through shaft respectively and reverse the top of seat, lower removable connects
It connects；The ball stud end of control arm assembly is connect by ball pin seat with load seat；First linear actuator arranges vertically, top position
Set fixation, bottom end and load seat rigid connection；The central point and small end bushing of the axis of guide rod and control arm assembly ball stud,
Plane where the pivot center of big end bushing is vertical, and the both ends of guide rod pass through hinge and guide holder respectively and load seat is living
Dynamic connection；Second linear actuator is horizontally disposed, and one end is flexibly connected by hinge with load seat；Third linear actuator water
Plain cloth is set, and one end is by hinge and torque rod and lower torsion axis connection, and torque rod load(ing) point is apart from lower torsional axis axis
Ball stud central point being equidistant to small end bushing and the pivot center of big end bushing of distance and control arm assembly.
The rack includes left frame, correct frame and crossbeam；The both ends of crossbeam are fixed with left frame, correct frame respectively to be connected
It connects；Upper bed-plate and lower bottom base are by being fixed in left frame.
The top of first linear actuator is fixedly connected with crossbeam.
The other end of second linear actuator is fixedly connected with the second linear actuator fixing seat.
The other end of the third linear actuator is fixedly connected with third linear actuator fixing seat.
The present invention devises novel triple channel load spectrum loading bench with control arm assembly for McPherson strut
Frame pilot system can make rig test result consistent with the failure mode of actual road test result, which mainly passes through
Three linear actuators apply load simultaneously to control arm assembly, wherein two linear actuators are horizontal positioned, apply hang down respectively
To, lateral load；An other linear actuator is disposed vertically, and applies longitudinal loading.Pass through External Test Equipment control system
In existing multi-pass road spectrum iterative software, the different kinds of roads load modal data that can be acquired to real vehicle be iterated, play back, with most
Stress condition of the big degree simulation control arm assembly under real vehicle state, reaches bench test failure mode and the road test of real vehicle road
The failure mode tested is consistent.It can reach the purpose using the independent access control arm assembly durability of the pilot system, can shorten open
Send out period, fast verification quality improvement scheme etc..
The present invention drives the torsion with control arm assembly bushing end coaxial using linear actuator by torsional axis
The real vehicle control vertical bounce in arm assembly ball stud side is transformed into the torsion at rubber bushing end by swivel base；Control arm assembly bulb
Pin end with load seat connect, load seat be connected by a hinge with guide rod, and the axis of guide rod and the central point of ball stud and
Plane where rubber bushing axis is vertical, limits the vertical deviation of control arm ball stud, it is ensured that vertical load, lateral load
And longitudinal loading is independent of each other.Laterally and in longitudinal loading mechanism, the second linear actuator and load seat laterally loaded is used
Flexural pivot chain link, it is longitudinal to load the first linear actuator and load seat using being rigidly connected, reduce transverse load and longitudinal load
Lotus influences each other.The present invention realizes mechanically decoupled, reduces the correlation of three direction load, loading spectrum iteration can be improved
Precision reduces iteration error within 10%, reduces the requirement to equipment iterative software multichannel synchro-loading ability, improves
The accuracy of bench test.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is passenger car McPherson strut control arm assembly Bench Test System General Arrangement；
Fig. 2 is passenger car McPherson strut control arm assembly Bench Test System General Arrangement；
Fig. 3 a, Fig. 3 b are torsional load loading section layout drawings.
Fig. 4 is load seating portion layout drawing.
Fig. 5 is load portions and longitudinal loading load, lateral load loading section layout drawing.
Fig. 6 is control arm assembly rubber bushing partially connected architecture schematic diagram.
In figure: 11, left frame；12, correct frame；13, crossbeam；2, arm assembly is controlled；21, small end bushing；22, big end liner
Set；3, the first linear actuator；41, guide rod；42, guide holder；43, seat is loaded；44, it is oriented to hinge；52, lateral load hinge
Chain；51, the second linear actuator fixing seat；6, third linear actuator；61, third linear actuator fixing seat；62, it reverses
Bar；63, torsion hinge；71, upper bed-plate；72, lower bottom base；8, seat is reversed；81, small end attachment base；82, big end attachment base；83, encircle
Clevis；91, upper torsional axis；91, lower torsional axis.
Specific embodiment
As shown in Figure 1, 2, passenger car McPherson strut of the invention control arm assembly Bench Test System includes platform
Frame, the first linear actuator 3, guide rod 41, guide holder 42 load seat 43, the second linear actuator 5, third linear actuator
6, upper bed-plate 71, lower bottom base 72 turns round transposon 18.
The rack includes left frame 11, correct frame 12 and crossbeam 13；The both ends of crossbeam 13 respectively with left frame 11, right
Frame 12 is fixedly connected；Upper bed-plate 71 and lower bottom base 72 are bolted in left frame 11；The upper end for turning round transposon 18 passes through spiral shell
Bolt is connect with upper torsional axis 91, and upper shaft 91 is connect with upper bed-plate 71 by tapered roller bearing；The lower end for turning round transposon 18 passes through spiral shell
Torsional axis 92 connects under bolt, and lower torsional axis 92 is connect by tapered roller bearing with lower bottom base 72, and turning round transposon 18 can be relative to upper bottom
Seat 71 and lower bottom base 72 rotate.
Upper bed-plate 71 and lower bottom base 72 can be separate structure, can also use integral connecting structure.
The bushing end of the control arm assembly 2 is fixed on by real vehicle assembly pattern and is turned round on transposon 18, as shown in fig. 6, control
The small end bushing 21 of arm assembly 2 is connect by the shaft small end attachment base 81 fixed with transposon 18 top is turned round, and big end bushing 22 passes through
Arch folder 82 and bolt are connect with the big end attachment base 82 that transposon 18 lower part is fixed is turned round, and control arm assembly 2 can be relative to torsion transposon 18
Rotation.
As shown in Fig. 1,2,4,5, control arm assembly 2 ball stud end is flexibly connected with ball pin seat 44, ball pin seat 44 and add
Seat 43 is carried to be fixedly connected；First linear actuator 3 is fixedly connected in arrangement, top vertically with crossbeam 13, bottom end and load seat 43
Rigid connection applies longitudinal loading to control arm assembly 2；The axis of guide rod 41 and the central point of control 2 ball stud of arm assembly
And the plane where small end bushing 21,22 pivot center of big end bushing is vertical；The both ends of guide rod 41 pass through hinge 45, hinge respectively
Chain 44 is flexibly connected with guide holder 42 and load seat 43, the vertical deviation of limitation control arm assembly 2；Second linear actuator, 5 water
Plain cloth is set, and left end is flexibly connected by spherical hinge 52 with load seat 43, and right end and the second linear actuator fixing seat 51 are fixed
Connection applies lateral load to control arm assembly 2.
The right end of second linear actuator 5 can also be by the way of being connected and fixed with correct frame 12.
As shown in Fig. 1, Fig. 3 a, Fig. 3 b, third linear actuator 6 is horizontally disposed, and left end is by torsion hinge 63 and turns round
Bull stick 62 connects, and torque rod 62 is connect by bolt with lower torsional axis 91, and the right end and third linear of third linear actuator 6 are made
Dynamic device fixing seat 61 is fixedly connected；Third linear actuator 6 is used to apply control arm assembly 2 torsional load, and simulation real vehicle hangs down
To load.
The right end of third linear actuator 6 can also be by the way of being connected and fixed with correct frame 12.
The ball stud center of distance of 62 load(ing) point of torque rod apart from lower 91 axis of torsional axis and control arm assembly 2
Point is equidistant to small end bushing 21 and the pivot center of big end bushing 22.
Third linear actuator 6 uses displacement-control mode, acquires the vertical deviation of helical spring by real vehicle and passes through
Conversion obtains the jerk value at control 2 ball stud end of arm assembly.Guarantee load(ing) point apart from lower torsional axis 92 when designing torque rod 62
The distance of axis and phase at a distance from the pivot center of control 2 ball stud central point of arm assembly to small end bushing and big end bushing 22
Deng can be directly iterated using the jerk value at the ball stud end for controlling arm assembly as iterative target, obtain third linear actuation
The driving signal of device 6.First linear actuator 3 and the second linear actuator 5 use load control mode, vertical in control arm assembly
To and laterally paste foil gauge, and strain is demarcated using the experimental rig.Using external control system by real vehicle road
The loading spectrum for testing three directions of acquisition carries out processing analysis, obtains the first linear actuator 3,5 and of the second linear actuator
The iterative target signal of third linear actuator 6 is iterated three channels using equipment, when iteration error is less than 10%
Using this driving file as the input signal of bench test.
Claims (5)
1. a kind of passenger car McPherson strut control arm assembly Bench Test System, it is characterised in that including rack, first
Linear actuator (3), guide rod (41), guide holder (42) load seat (43), the second linear actuator (5), third linear actuation
Device (6), upper bed-plate (71), lower bottom base (72) reverse seat (8)；Upper bed-plate (71) and lower bottom base (72) are fixed on rack, torsion
The upper end of seat (8) is flexibly connected by upper torsional axis (91) with upper bed-plate (71), and the lower end of torsion seat (8) passes through lower torsional axis
(92) it is flexibly connected with lower bottom base (72), torsion seat (8) can be rotated relative to upper bed-plate (71) and lower bottom base (72)；Control arm is total
It is connect respectively by shaft with the top of torsion seat (8), lower removable at the small end bushing (21) of (2), big end bushing (22)；Control
The ball stud end of arm assembly (2) processed is connect by ball pin seat (44) with load seat (43)；First linear actuator (3) vertical cloth
It sets, apical position is fixed, bottom end and load seat (43) rigid connection；The axis and control arm assembly (2) ball of guide rod (41)
Plane where the central point and small end bushing (21) of head pin, the pivot center of big end bushing (22) is vertical, and guide rod (41)
Both ends pass through hinge and guide holder (42) respectively and load seat (43) is flexibly connected；Second linear actuator (5) is horizontally disposed,
One end is flexibly connected by hinge with load seat (43)；Third linear actuator (6) is horizontally disposed, one end by hinge and
Torque rod (62) is connect with lower torsional axis (91), and distance and control of torque rod (62) load(ing) point apart from lower torsional axis (91) axis
The ball stud central point of arm assembly (2) processed is equidistant to small end bushing (21) and the pivot center of big end bushing (22).
2. passenger car McPherson strut according to claim 1 control arm assembly Bench Test System, feature exist
In the rack include left frame (11), correct frame (12) and crossbeam (13)；The both ends of crossbeam (13) respectively with left frame
(11), correct frame (12) is fixedly connected；Upper bed-plate (71) and lower bottom base (72) are by being fixed on left frame (11).
3. passenger car McPherson strut according to claim 1 control arm assembly Bench Test System, feature exist
It is fixedly connected in the top of first linear actuator (3) with crossbeam (13).
4. passenger car McPherson strut according to claim 1 control arm assembly Bench Test System, feature exist
It is fixedly connected in the other end of second linear actuator (5) with the second linear actuator fixing seat (51).
5. passenger car McPherson strut according to claim 1 control arm assembly Bench Test System, feature exist
It is fixedly connected in the other end of the third linear actuator (6) with third linear actuator fixing seat (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348002.2A CN110006666A (en) | 2019-04-28 | 2019-04-28 | Passenger car McPherson strut control arm assembly Bench Test System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348002.2A CN110006666A (en) | 2019-04-28 | 2019-04-28 | Passenger car McPherson strut control arm assembly Bench Test System |
Publications (1)
| Publication Number | Publication Date |
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| CN110006666A true CN110006666A (en) | 2019-07-12 |
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ID=67174696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910348002.2A Pending CN110006666A (en) | 2019-04-28 | 2019-04-28 | Passenger car McPherson strut control arm assembly Bench Test System |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751124A (en) * | 2020-06-29 | 2020-10-09 | 广州橙行智动汽车科技有限公司 | Automobile chassis testing device and automobile chassis testing assembly structure |
| CN111855427A (en) * | 2020-08-19 | 2020-10-30 | 湖南联诚轨道装备有限公司 | Three-way loading test device for rail vehicle hinging device |
| CN114791353A (en) * | 2021-01-07 | 2022-07-26 | 广州汽车集团股份有限公司 | Rear vertical pull rod test system |
| CN114942148A (en) * | 2022-04-11 | 2022-08-26 | 中国第一汽车股份有限公司 | General test bench for motor home traction device and test method |
| CN114993712A (en) * | 2022-04-11 | 2022-09-02 | 中国第一汽车股份有限公司 | Control arm assembly multichannel road spectrum random loading test method and test system |
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| CN204086007U (en) * | 2014-09-29 | 2015-01-07 | 上海汇众汽车制造有限公司 | For the test fixture of Survey control arm rigidity |
| CN106033026A (en) * | 2016-06-23 | 2016-10-19 | 奇瑞汽车股份有限公司 | Control arm assembly front and rear bushing fatigue test device and test method |
| CN206862646U (en) * | 2017-05-12 | 2018-01-09 | 中国第一汽车股份有限公司 | A kind of bench test mechanism for balance suspension support |
| CN108036956A (en) * | 2017-12-30 | 2018-05-15 | 安徽大昌科技股份有限公司 | A kind of lever automobile control arm test tool |
| CN208420381U (en) * | 2018-07-09 | 2019-01-22 | 宁波汽车零部件检测有限公司 | A kind of independent bench test device of passenger car control arm |
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2019
- 2019-04-28 CN CN201910348002.2A patent/CN110006666A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204086007U (en) * | 2014-09-29 | 2015-01-07 | 上海汇众汽车制造有限公司 | For the test fixture of Survey control arm rigidity |
| CN106033026A (en) * | 2016-06-23 | 2016-10-19 | 奇瑞汽车股份有限公司 | Control arm assembly front and rear bushing fatigue test device and test method |
| CN206862646U (en) * | 2017-05-12 | 2018-01-09 | 中国第一汽车股份有限公司 | A kind of bench test mechanism for balance suspension support |
| CN108036956A (en) * | 2017-12-30 | 2018-05-15 | 安徽大昌科技股份有限公司 | A kind of lever automobile control arm test tool |
| CN208420381U (en) * | 2018-07-09 | 2019-01-22 | 宁波汽车零部件检测有限公司 | A kind of independent bench test device of passenger car control arm |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751124A (en) * | 2020-06-29 | 2020-10-09 | 广州橙行智动汽车科技有限公司 | Automobile chassis testing device and automobile chassis testing assembly structure |
| CN111855427A (en) * | 2020-08-19 | 2020-10-30 | 湖南联诚轨道装备有限公司 | Three-way loading test device for rail vehicle hinging device |
| CN114791353A (en) * | 2021-01-07 | 2022-07-26 | 广州汽车集团股份有限公司 | Rear vertical pull rod test system |
| CN114791353B (en) * | 2021-01-07 | 2024-10-29 | 广州汽车集团股份有限公司 | Rear vertical pull rod testing system |
| CN114942148A (en) * | 2022-04-11 | 2022-08-26 | 中国第一汽车股份有限公司 | General test bench for motor home traction device and test method |
| CN114993712A (en) * | 2022-04-11 | 2022-09-02 | 中国第一汽车股份有限公司 | Control arm assembly multichannel road spectrum random loading test method and test system |
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Application publication date: 20190712 |
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