CN202511977U - Multifunctional chassis test bed - Google Patents
Multifunctional chassis test bed Download PDFInfo
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- CN202511977U CN202511977U CN2012201369838U CN201220136983U CN202511977U CN 202511977 U CN202511977 U CN 202511977U CN 2012201369838 U CN2012201369838 U CN 2012201369838U CN 201220136983 U CN201220136983 U CN 201220136983U CN 202511977 U CN202511977 U CN 202511977U
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Abstract
The utility model relates to a multifunctional chassis test bed, which is used for testing performance and reliability of a vehicle chassis suspension system and suspension parts. The test bed comprises a balance weight, a chassis suspension system to be tested, a vertical actuating cylinder, a test floor, longitudinal constraint assemblies, a vertical bracket assembly, a lateral constraint assembly, a longitudinal force loading assembly, a lateral force loading assembly, a loading support and a beam, wherein the balance weight is arranged on the chassis suspension system to be tested; the chassis suspension system to be tested is arranged on the vertical actuating cylinder; the longitudinal constraint assemblies, the vertical bracket assembly, the lateral constraint assembly, the longitudinal force loading assembly and the lateral force loading assembly are arranged on the test floor; the loading support is arranged in the gravity center of the chassis suspension system to be tested; one side of the beam is arranged on the chassis suspension system to be tested; and the other side of the beam is arranged on the vertical bracket assembly. The multifunctional chassis test bed has a simple structure and is economic and practical, and the performance and the reliability of the vehicle chassis suspension system and parts of the system can be tested under the complicated working condition.
Description
Technical field
The utility model relates to a kind of testing table, a kind of specifically multifunctional chassis testing table that chassis suspension fork of vehicle system and sprung parts is carried out performance and fail-test.
Background technology
In the vehicle R&D process, chassis suspension system performance, fail-test are very important links.The performance of suspension system and some suspension parts and fail-test can be carried out on test-bed.But suspension system and parts thereof performance and the reliability under complex working condition (as driving or steering operation are arranged again under the vertical drive) often is difficult to test (perhaps testing table expensive) through test-bed.
Summary of the invention
The purpose of the utility model is to provide a kind of simple in structure and economical and practical, can realize the multifunctional chassis testing table of chassis suspension fork of vehicle system and parts thereof performance and reliability testing under complex working condition.
The purpose of the utility model is to realize like this; This testing table comprises that counterweight, chassis to be tested suspension system, vertical cylinder, test floor, longitudinal restraint assembly, vertical support frame assembly, sidewise restraint assembly, longitudinal force load assembly, side force loads assembly, loads bearing and crossbeam; Described counterweight is arranged on the suspension system of chassis to be tested; Chassis to be tested suspension system is arranged on the vertical cylinder; Longitudinal restraint assembly, vertical support frame assembly, sidewise restraint assembly, longitudinal force load assembly and side force loading assembly is arranged on the test floor; Load bearing and be arranged on the center of gravity place on the suspension system of chassis to be tested, crossbeam one side is arranged on the suspension system of chassis to be tested, and opposite side is arranged on the vertical support frame assembly.
The utlity model has following advantage and good effect:
1, chassis to be tested suspension system is placed on the vertical loading cylinder in the utility model bench run, and vertical cylinder provides vertical drive for chassis suspension system to be tested; The constraint assembly of testing table discharges suspension system performance and the bigger mode of motion (like vertical, inclination, trim) of reliability effect unconcerned or suspension system performance and the less mode of motion (like sidesway, vertical shift, yaw) of reliability effect retrained; The longitudinal force of testing table, side force load assembly the chassis suspension system are carried out longitudinal force and side direction loading, in order to the driving and the steering situation of simulating vehicle; The vertical cylinder of testing table can apply different pumping signals to sprung-hub wheel according to different testing requirementss.
2, the utility model testing table has great importance to research hydro pneumatic suspension, air suspension, leaf spring suspension and common volute spring and the performance of vibration damper unit, can reduce the workload of on-the-ground test, shortens product development cycle.
3, the utility model simple in structure, be convenient to implement, economic and practical.
4, the utility model pilot system can make suspension system/parts to be studied near carrying out performance and tired long duration test under the real working condition.
5, the utility model pilot system can be treated the Performance Match research that research suspension system/parts carry out the Full Vehicle System level.
6, the utility model pilot system can be treated research suspension system/parts near carrying out the formulation of control strategy and the exploitation of controller under the real working condition.
Description of drawings
Fig. 1 is the utility model multifunctional chassis testing table perspective view.
Fig. 2 is that the utility model multifunctional chassis testing table A is to the projection structure synoptic diagram.
Fig. 3 is that the multifunctional chassis testing table adopts ball spline Hooke's joint constraint assembly to replace the another kind of embodiment structural representation of longitudinal restraint assembly and sidewise restraint assembly.
Embodiment:
Like accompanying drawing 1,2, shown in 3: this testing table comprises:
Counterweight 1 is used to realize vehicle real load state load;
Chassis to be tested suspension system 2 can be configured according to the practical structures of vehicle chassis, and the sprung parts that is used to treat research carries out durable and performance test;
Longitudinal force loads assembly 8 and loads assembly 9 with side force, is used for chassis to be tested suspension system 2 is applied longitudinal force and side force, comes the motion state of simulating vehicle chassis to be tested suspension system 2 when driving (braking) and turning to this;
Load bearing 10, be arranged on the center of gravity place of chassis to be tested suspension system 2, be used to connect longitudinal force and load assembly 8 and side force loading assembly 9;
Crossbeam 11 is used to connect suspension system 2 to be tested and vertical support frame assembly 6.
Described counterweight 1 is arranged on the chassis to be tested suspension system 2; Chassis to be tested suspension system 2 is arranged on the vertical cylinder 3; Longitudinal restraint assembly 5, vertical support frame assembly 6, sidewise restraint assembly 7, longitudinal force load assembly 8 and side force loading assembly 9 is arranged on the test floor 4; Load bearing 10 and be arranged on the center of gravity place on the chassis to be tested suspension system 2, crossbeam 11 1 sides are arranged on the chassis to be tested suspension system 2, and opposite side is arranged on the vertical support frame assembly 6.
Described chassis to be tested suspension system 2 is made up of vehicle frame 2-1, suspension system main body 2-2, at least one sprung-hub wheel 2-3, and vehicle frame 2-1 is used to load counterweight 1, and vehicle frame 2-1 also is used for assembling and loads bearing 10, suspension system main body 2-2 and vertical support frame assembly 6.
Described suspension system main body 2-2 is used to connect vehicle frame 2-1 and sprung-hub wheel 2-3, and chassis to be tested suspension system 2 can adopt the rigid axle suspension of configuration leaf spring, also can adopt the independent suspension of configuration hydro-pneumatic spring, volute spring and vibration damper etc.
Described each sprung-hub wheel 2-3 correspondence is arranged on each vertical cylinder 3, and sprung-hub wheel 2-3 is used to carry chassis to be tested suspension system 2, and passes to suspension system main body 2-2 to the vertical vibration excitation that vertical cylinder 3 imposes on sprung-hub wheel 2-3.
Described test floor 4 is used to assemble vertical weighted platform 8-1, the side force that vertical cylinder 3, longitudinal force load on the assembly 8 and loads side direction weighted platform 9-4 and longitudinal restraint bearing 5-1 on the longitudinal restraint assembly 5 and the sidewise restraint bearing 7-1 on the sidewise restraint assembly 7 on the assembly 9.
Described loading bearing 10 is used to connect longitudinal force and loads the longitudinal force loading pull bar 8-4 on the assembly 8, the side force loading pull bar 9-1 on the side force loading assembly 9.
Described longitudinal restraint assembly 5 comprises longitudinal restraint bearing 5-1, longitudinal restraint pull bar 5-2, ball pivot 5-3, and the end of longitudinal restraint pull bar 5-2 connects longitudinal restraint bearing 5-1 through ball pivot, and the other end is connected with vertical support frame assembly 6 through ball pivot 5-3.When suspension system 2 remained static on chassis to be tested, longitudinal restraint assembly 5 was arranged in the position of sprung-hub wheel 2-3 and vertical height such as cylinder 3 surface of contact grade; Longitudinal restraint assembly 5 is symmetrically arranged in the longitudinal surface both sides of chassis to be tested suspension system 2, and this assembly is used to retrain the vertical and weaving of chassis to be tested suspension system 2.
Described vertical support frame assembly 6 is used to connect vehicle frame 2-1 and the longitudinal restraint assembly 5 and sidewise restraint assembly 7 on the chassis to be tested suspension system 2;
Described sidewise restraint assembly 7 is made up of with the sidewise restraint pull bar 7-3 that is connected ball pivot 7-2 the ball pivot 7-2 of sidewise restraint bearing 7-1, connection sidewise restraint bearing 7-1, and this assembly is used to retrain the sideway movement of chassis to be tested suspension system 2.
Described longitudinal force loads assembly 8 and comprises that longitudinal force weighted platform 8-1, longitudinal force load cylinder 8-2, rocking arm 8-3 and longitudinal force and load pull bar 8-4; Described longitudinal force weighted platform 8-1 loads cylinder 8-2 through revolute pair connection longitudinal force loading cylinder 8-2, rocking arm 8-3 through revolute pair connection longitudinal force weighted platform 8-1 and longitudinal force; Longitudinal force loads pull bar 8-4 and connects rocking arm 8-3 through ball pivot, and this assembly is used for chassis to be tested suspension system 2 is carried out driving (braking) operating mode that longitudinal force loads simulating vehicle.
Described side force loads assembly 9 and comprises that side force loads pull bar 9-1, rocking arm 9-2, side force loading cylinder 9-3 and side force weighted platform 9-4; Described side force weighted platform 9-4 loads cylinder 9-3 through revolute pair connection side force loading cylinder 9-3, rocking arm 9-2 through revolute pair connection side force weighted platform 9-4 and side force; Side force loads pull bar 9-1 and connects rocking arm 9-2 through ball pivot, and this assembly is used for chassis to be tested suspension system 2 is carried out the divertical motion operating mode that side force loads simulating vehicle.
Shown in local amplifier section in the accompanying drawing 3: described longitudinal restraint assembly 5 can also replace with the ball spline Hooke's joint constraint assembly 12 among Fig. 3 with sidewise restraint assembly 7; This assembly is made up of orienting sleeve 12-1, ball spline 12-2, Hooke's joint 12-3 and constraint platform 12-4, and cross-coupled two axles of wherein said Hooke's joint 12-3 in one plane.
Described ball spline Hooke's joint constraint assembly 12 is used to retrain three mode of motion of sidesway, vertical shift, yaw of chassis suspension assembly 2, thereby chassis to be tested suspension system 2 can have vertically, inclination, trim three degrees of freedom of movement.
The utility model multifunctional chassis testing table; Impose on the different pumping signal of chassis to be tested suspension system 2 through being assemblied in the vertical cylinder 3 of test on the floor 4; For example, apply in the same way the sine sweep signal, about reverse sine sweep signal (simulation inclination mode), the reverse sine sweep signal of antero posterior axis (simulation trim mode), to turn round not swept-frequency signal, to turning round swept-frequency signal, step signal and pulse signal etc.According to vertically the retraining and the weaving of chassis suspension system 2 being retrained of the longitudinal restraint pull bar 5-2 in the longitudinal restraint assembly 5 to chassis to be tested suspension system 2 with constraining rod that longitudinal restraint assembly 5 is symmetrically arranged in the longitudinal surface opposite side of chassis to be tested suspension system 2.According to the sidewise restraint pull bar 7-3 in the sidewise restraint assembly 7 side direction of chassis to be tested suspension system 2 is retrained, thus retrained chassis to be tested suspension system 2 vertically, the degree of freedom of side direction, three directions of yaw.Can observe perpendicular displacement change curve and inclination, side rake angle, the trim of chassis to be tested suspension system 2, the change curve of trim angle through test bench installation.Thereby the inclination of simulating vehicle realistically, trim and vehicle body vertical movement mode, the mode of motion of adjusting vehicle through the parameter that changes chassis to be tested suspension system 2 is to reach desirable effect.Carry out the loading of vehicle real load state according to the quantity of vehicle real load state adjustment counterweight 1 in addition.
Loading longitudinal force in the assembly 8 according to longitudinal force loads cylinder 8-2 and applies acting force and load pull bar 8-4 through longitudinal force and go up chassis to be tested suspension system 2 to be applied longitudinal force and load side force in the assembly 9 according to side force and load cylinder 9-3 and apply acting force and load pull bar 9-1 through side force and upward chassis to be tested suspension system 2 is applied side force at loading bearing 10 (being vehicle body center of gravity place) loading bearing 10 (being vehicle body center of gravity place); Can observe perpendicular displacement change curve and inclination, side rake angle, the trim of chassis to be tested suspension system 2, the change curve of trim angle through test bench installation, thus simulating vehicle braking/driving and steering situation realistically.
The principle of work process:
In the ordinary course of things, vehicle body has six-freedom degree, and each wheel all possibly bear six component.Have only vertical, inclination, trim three degree of freedom at the vehicle normal, straight under body that goes.Promptly; Under indoor conditions, if will simulate actual condition (vibration directly perceived of vehicle body), short form test as far as possible again; Then need give vehicle body vertically, side direction, this three degree of freedom of yaw use restraint; On the vehicle body vertically, the application point of the constraint reaction of side direction should be consistent with constraint reaction application point between real vehicles suspension and vehicle body, promptly should retrain at the center of moment place of trim and inclination respectively, and is the most convenient with vertical, inclination, trim three-degree-of-freedom motion mode that vertical exciting under each wheel is simulated under the cruising; But prerequisite is consistent with center of moment to the constraint of car body, could produce correct mode of motion and inertial force like this.
Impose on suspension system different pumping signal in chassis to be tested through vertical cylinder according to different testing requirementss, according to the inclination of chassis to be tested suspension system and the constraint at Trimming Moment center, simulating vehicle inclination, trim and vertical mode.
Impose on suspension system different pumping signal in chassis to be tested through vertical cylinder according to different testing requirementss; According to the inclination of chassis to be tested suspension system and the constraint at Trimming Moment center; Suspension system center of gravity place applies side direction, longitudinal force on chassis to be tested, and simulating vehicle turns to, brakes/drive operating mode.
Claims (12)
1. multifunctional chassis testing table; It is characterized in that: this testing table comprises that counterweight (1), chassis to be tested suspension system (2), vertical cylinder (3), test floor (4), longitudinal restraint assembly (5), vertical support frame assembly (6), sidewise restraint assembly (7), longitudinal force load assembly (8), side force loads assembly (9), loads bearing (10) and crossbeam (11); Described counterweight (1) is arranged on the chassis to be tested suspension system (2); Chassis to be tested suspension system (2) is arranged on the vertical cylinder (3); Longitudinal restraint assembly (5), vertical support frame assembly (6), sidewise restraint assembly (7), longitudinal force load assembly (8) and side force loading assembly (9) is arranged on the test floor (4); Load bearing (10) and be arranged on the center of gravity place on the chassis to be tested suspension system (2); Crossbeam (11) one sides are arranged on the chassis to be tested suspension system (2), and opposite side is arranged on the vertical support frame assembly (6).
2. a kind of multifunctional chassis testing table according to claim 1; It is characterized in that: described chassis to be tested suspension system (2) is made up of vehicle frame (2-1), suspension system main body (2-2), at least one sprung-hub wheel (2-3); Vehicle frame (2-1) is used to load counterweight (1), and vehicle frame (2-1) also is used for assembling and loads bearing (10), suspension system main body (2-2) and vertical support frame assembly (6); Described suspension system main body (2-2) is used to connect vehicle frame (2-1) and sprung-hub wheel (2-3); Chassis to be tested suspension system (2) can adopt the rigid axle suspension of configuration leaf spring, also can adopt the independent suspension of configuration hydro-pneumatic spring, volute spring and vibration damper; Described each sprung-hub wheel (2-3) all correspondence is arranged on each vertical cylinder (3), and sprung-hub wheel (2-3) is used to carry chassis to be tested suspension system (2), and passes to suspension system main body (2-2) to the vertical vibration excitation that vertical cylinder (3) imposes on sprung-hub wheel (2-3).
3. a kind of multifunctional chassis testing table according to claim 1 is characterized in that: described test floor (4) is used to assemble vertical cylinder (3), longitudinal force loads the vertical weighted platform (8-1) on the assembly (8), side direction weighted platform (9-4) and longitudinal restraint bearing (5-1) on the longitudinal restraint assembly (5) and the sidewise restraint bearing (7-1) on the sidewise restraint assembly (7) on the side force loading assembly (9).
4. a kind of multifunctional chassis testing table according to claim 1 is characterized in that: described loading bearing (10) is used to connect longitudinal force and loads the longitudinal force loading pull bar (8-4) on the assembly (8), the side force loading pull bar (9-1) on the side force loading assembly (9).
5. a kind of multifunctional chassis testing table according to claim 1; It is characterized in that: described longitudinal restraint assembly (5) comprises longitudinal restraint bearing (5-1), longitudinal restraint pull bar (5-2) and ball pivot (5-3); Wherein an end of longitudinal restraint pull bar (5-2) is connected with vertical support frame assembly (6) through ball pivot (5-3) through ball pivot connection longitudinal restraint bearing (5-1) other end; Suspension system (2) is when remaining static on chassis to be tested, and longitudinal restraint assembly (5) is arranged in the position of sprung-hub wheel (2-3) and height such as vertical cylinder (3) surface of contact grade; Longitudinal restraint assembly (5) is symmetrically arranged in the longitudinal surface both sides of chassis to be tested suspension system (2), and this assembly is used to retrain the vertical and weaving of chassis to be tested suspension system (2).
6. a kind of multifunctional chassis testing table according to claim 1 is characterized in that: described vertical support frame assembly (6) is used to connect vehicle frame (2-1) and the longitudinal restraint assembly (5) and sidewise restraint assembly (7) on the chassis to be tested suspension system (2).
7. a kind of multifunctional chassis testing table according to claim 1; It is characterized in that: described sidewise restraint assembly (7) by sidewise restraint bearing (7-1), connect the ball pivot (7-2) and sidewise restraint pull bar (7-3) formation that is connected ball pivot (7-2) of sidewise restraint bearing (7-1), this assembly is used to retrain the sideway movement of chassis to be tested suspension system (2).
8. a kind of multifunctional chassis testing table according to claim 1; It is characterized in that: described longitudinal force loads assembly (8) and comprises that longitudinal force weighted platform (8-1), longitudinal force load cylinder (8-2), rocking arm (8-3) and longitudinal force and load pull bar (8-4); Described longitudinal force weighted platform (8-1) loads cylinder (8-2) through revolute pair connection longitudinal force loading cylinder (8-2), rocking arm (8-3) through revolute pair connection longitudinal force weighted platform (8-1) and longitudinal force; Longitudinal force loads pull bar (8-4) and connects rocking arm (8-3) through ball pivot, and this assembly is used for chassis to be tested suspension system (2) is carried out driving or the damped condition that longitudinal force loads simulating vehicle.
9. a kind of multifunctional chassis testing table according to claim 1; It is characterized in that: described side force loads assembly (9) and comprises that side force loads pull bar (9-1), rocking arm (9-2), side force loading cylinder (9-3) and side force weighted platform (9-4); Described side force weighted platform (9-4) loads cylinder (9-3) through revolute pair connection side force loading cylinder (9-3), rocking arm (9-2) through revolute pair connection side force weighted platform (9-4) and side force; Side force loads pull bar (9-1) and connects rocking arm (9-2) through ball pivot, and this assembly is used for chassis to be tested suspension system (2) is carried out the divertical motion operating mode that side force loads simulating vehicle.
10. a kind of multifunctional chassis testing table according to claim 1; It is characterized in that: described longitudinal restraint assembly (5), vertical support frame assembly (6) and sidewise restraint assembly (7) are used to retrain three mode of motion of sidesway, vertical shift, yaw of chassis to be tested suspension system (2), thereby make that chassis to be tested suspension system (2) can have vertically, inclination, trim three degrees of freedom of movement.
11. a kind of multifunctional chassis testing table according to claim 1; It is characterized in that: described longitudinal restraint assembly (5) can also replace with ball spline Hooke's joint constraint assembly (12) with sidewise restraint assembly (7); This assembly is made up of orienting sleeve (12-1), ball spline (12-2), Hooke's joint (12-3) and constraint platform (12-4), and cross-coupled two axles of wherein said Hooke's joint (12-3) in one plane.
12. a kind of multifunctional chassis testing table according to claim 11; It is characterized in that: described ball spline Hooke's joint constraint assembly (12) is used to retrain three mode of motion of sidesway, vertical shift, yaw of chassis suspension assembly (2), thereby chassis to be tested suspension system (2) can have vertically, inclination, trim three degrees of freedom of movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201369838U CN202511977U (en) | 2012-04-01 | 2012-04-01 | Multifunctional chassis test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201369838U CN202511977U (en) | 2012-04-01 | 2012-04-01 | Multifunctional chassis test bed |
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| Publication Number | Publication Date |
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| CN202511977U true CN202511977U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201369838U Expired - Fee Related CN202511977U (en) | 2012-04-01 | 2012-04-01 | Multifunctional chassis test bed |
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| CN (1) | CN202511977U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063394A (en) * | 2012-12-30 | 2013-04-24 | 西南交通大学 | Continuous space multi-dimensional seismic wave simulator |
| CN103149037A (en) * | 2013-03-22 | 2013-06-12 | 吉林大学 | Multiple-degree-of-freedom suspension K&C (kinematics & compliance) property test platform |
| CN106644529A (en) * | 2017-03-01 | 2017-05-10 | 东北林业大学 | Vehicle roll test table |
| CN108535030A (en) * | 2018-06-21 | 2018-09-14 | 湖南科技大学 | A kind of half vehicle floating installation and half truck position follower method based on load feedback |
| CN112050982A (en) * | 2020-09-04 | 2020-12-08 | 恒大新能源汽车投资控股集团有限公司 | Method for testing friction value of automobile chassis suspension assembly and electronic equipment |
-
2012
- 2012-04-01 CN CN2012201369838U patent/CN202511977U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063394A (en) * | 2012-12-30 | 2013-04-24 | 西南交通大学 | Continuous space multi-dimensional seismic wave simulator |
| CN103149037A (en) * | 2013-03-22 | 2013-06-12 | 吉林大学 | Multiple-degree-of-freedom suspension K&C (kinematics & compliance) property test platform |
| CN103149037B (en) * | 2013-03-22 | 2015-12-02 | 吉林大学 | Multi-degree-of-freedom suspension kinematics and elastokinematics attribute testing platform |
| CN106644529A (en) * | 2017-03-01 | 2017-05-10 | 东北林业大学 | Vehicle roll test table |
| CN108535030A (en) * | 2018-06-21 | 2018-09-14 | 湖南科技大学 | A kind of half vehicle floating installation and half truck position follower method based on load feedback |
| CN108535030B (en) * | 2018-06-21 | 2023-09-05 | 湖南科技大学 | Half-vehicle floating device based on load feedback and half-vehicle position following method |
| CN112050982A (en) * | 2020-09-04 | 2020-12-08 | 恒大新能源汽车投资控股集团有限公司 | Method for testing friction value of automobile chassis suspension assembly and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGCHUN KONGHUI AUTOMATIVE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Patentee after: Changchun Konghui Automative Technology Co., Ltd. Address before: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Patentee before: KH Automotive Technologies (Changchun) Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20180401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |