CN203811385U - Torsion beam rear axle multichannel road simulation test variable stiffness floating test clamp - Google Patents

Torsion beam rear axle multichannel road simulation test variable stiffness floating test clamp Download PDF

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Publication number
CN203811385U
CN203811385U CN201420135624.XU CN201420135624U CN203811385U CN 203811385 U CN203811385 U CN 203811385U CN 201420135624 U CN201420135624 U CN 201420135624U CN 203811385 U CN203811385 U CN 203811385U
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China
Prior art keywords
vehicle
rigidity
simulation
fixture
spring
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CN201420135624.XU
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Chinese (zh)
Inventor
林阳
高大威
郑松林
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Shanghai Huizhong Automotive Manufacturing Co Ltd
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Shanghai Huizhong Automotive Manufacturing Co Ltd
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Abstract

The utility model aims to overcome the technical problems that in the prior art, the reaction frame fixing test mode is poorer in efficiency and reliability compared with whole vehicle clamping inertia counterforce test state due to the factors that the clamp is high in rigidity, the whole vehicle inertia counterforce is not received, and vehicle body deflection and rigidity are not considered. Thus, the utility model provides a torsion beam rear axle multichannel road simulation test variable stiffness floating test clamp. The clamp comprises a left side vehicle body simulation clamp and a right side vehicle body simulation clamp, wherein the two side vehicle body simulation clamps are symmetrically arranged and can be connected through connecting rods made of different materials and/or of different shapes and sizes. The clamp can further comprise at least one of the following characteristics: a counterweight installation column is provided for being used for installing different counterweight to simulate a sprung mass; a sliding bearing, a sliding guide rod and a support are provided for being used for simulating up-down floating and/or inclination motion of the vehicle body; and a damper connection point virtual vehicle body disk spring, a damper connection point virtual vehicle body longitudinal disk spring and a spring connection point virtual vehicle body disk spring are provided for being used for simulating the connection rigidity of the vehicle body.

Description

Torsion beam back axle hyperchannel Road Simulation Test becomes the unsteady test fixture of rigidity
Technical field
The utility model relates to after torsion beam the bridging rigidity test fixture that floats.
Background technology
The hyperchannel Road Simulation Test of torsion beam back axle is undertaken by the wheel force that is for example installed on wheel center conventionally.Testing equipment loads back axle, regards to for example simulating vehicle time channel that travels on road 6 force and moments that wheel center applies.The data that record on road when force and moment that test-bed wheel force records match, and just think the stand under load of test-bed reproduction back axle on road.
Conventionally, the clamping of this kind of test torsion beam back axle has two kinds of modes: the inertia counter-force test method that adopts fixing reaction frame and the employing car load clamping of the test fixture clamping that is fixed on ground.
For the exemplar that cannot carry out car load clamping, can only adopt the test method of fixing reaction frame.This kind of test method has for example following shortcoming conventionally:
(1) tie point with test fixture at back axle, the common rigidity of test fixture is very large, with actual whole vehicle state difference.
(2) back axle is under whole vehicle state, and suffered load is the inertia counter-force of car load, and this kind of test method is obviously different with complete vehicle test state.
(3) fixing reaction frame is not considered deflection and the rigidity of vehicle body, with complete vehicle test state difference.
Utility model content
The test method that the utility model will solve the fixing reaction frame of available technology adopting because of fixture rigidity greatly, be not subject to the inertia counter-force of car load and do not consider that the factor such as deflection and rigidity of vehicle body is with inertia counter-force trystate phase specific efficiency and the poor technical matters of reliability of car load clamping.
For this reason, an embodiment of the present utility model provides a kind of unsteady test fixture of rigidity that becomes, and comprising: left side vehicle body simulation fixture; Right side vehicle body simulation fixture, itself and described left side vehicle body are simulated fixture symmetry; And at one group of dish spring at the tie point place of torsion beam back axle and vehicle body, described one group of dish spring can be adjusted rigidity, for simulating the rigidity of actual vehicle body while connecting.
In a further embodiment, described one group of dish spring that this change rigidity is floated in test fixture comprise following at least one: the virtual vehicle body dish of vibroshock tie point spring; The vertical dish spring of putting of the virtual vehicle body of vibroshock tie point; And the virtual vehicle body dish of spring tie point spring.
In another further embodiment, the unsteady test fixture of this change rigidity further comprises connecting link, it links together described left side vehicle body simulation fixture and described right side vehicle body simulation fixture, and wherein said connecting link can adapt to different body stiffness by the variation of material and/or profile and/or size.
In another further embodiment, the unsteady test fixture of this change rigidity further comprises counterweight erection column, and it is for installing counterweight with simulation sprung mass.In an example, described counterweight can be determined according to different vehicles.
In a further embodiment again, this change rigidity test fixture that floats further comprises slide-and-guide post; And sliding bearing, the unsteady test fixture of wherein said change rigidity fluctuates on described slide-and-guide post by described sliding bearing.In an example, the unsteady test fixture of this change rigidity also can further comprise slide-and-guide column holder, and wherein said slide-and-guide post can also rotate to simulate around described slide-and-guide column holder the roll motion of vehicle body.
In this external one further embodiment, the unsteady test fixture of this change rigidity further comprises T-shaped trough floor, and it is for being fixed on the mounting platform of pilot system, so that the work of testing equipment.
This test fixture can improve the means of torsion beam back axle hyperchannel Road Simulation Test, provides a kind of to the more rational clamping state of test exemplar, has made up the deficiency of fixing reaction frame test method.Can improve the precision to torsion beam back axle hyperchannel Road Simulation Test.The test findings that this test method draws simultaneously has better comparability with the actual road test of car load and the stand Road Simulation Test result of car load.Thereby greatly improve the reliability of test efficiency and test.
Brief description of the drawings
The above and other feature of the present utility model, character and advantage are by by becoming more obvious below in conjunction with the description of drawings and Examples, wherein:
Fig. 1 shows the unsteady automobile body clamp composition of exemplary change rigidity;
Fig. 2 is exemplary right side vehicle body simulation fixture composition diagram;
Fig. 3 is exemplary damper bracket composition diagram;
Fig. 4 is exemplary spring abutment composition diagram; And
Fig. 5 is exemplary traveller composition diagram.
1, T-shaped trough floor 2, slide-and-guide column holder 3, suspension linking arm 4, bearing spring web joint 5, the virtual vehicle body dish of spring tie point spring 6, L shaped disk spring pressing plate 7, the vertical disk spring pressing plate 8 of putting, the vertical dish spring 9 of putting of the virtual vehicle body of vibroshock tie point, U-shaped poor angular adjustment frame 10, connect back up pad 11, bearing seat web joint 12, plain bearing housing 13, slide-and-guide post 14, counterweight erection column 15, angular setting plate forms 16, the virtual vehicle body dish of vibroshock tie point spring 17, vibroshock web joint 18, U-shaped web joint 19, sliding bearing gland 20, sliding bearing
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail; set forth in the following description more details so that fully understand the utility model; but the utility model obviously can be implemented with the multiple alternate manner that is different from this description; those skilled in the art can do similar popularization, deduction according to practical situations without prejudice to the utility model intension in the situation that, therefore should be with the content constraints of this specific embodiment protection domain of the present utility model.
Fig. 1 shows the unsteady automobile body clamp composition of exemplary change rigidity.As seen from Fig., according to an embodiment of the present utility model, become the unsteady automobile body clamp 100 of rigidity and can include but not limited to that left side vehicle body is simulated fixture 101, symmetrical with it right side vehicle body simulation fixture 102 and left and right vehicle body simulated fixture connecting link 103.Connecting link can be by the variation such as material and physical dimension such as to adapt to different body stiffness.For example, can use the connecting link of different materials and/or different profile and/or different size.
The float exemplary composition of the right side vehicle body simulation fixture in automobile body clamp of the change rigidity that Fig. 2 further shows for example Fig. 1.As seen from Fig., this exemplary right side vehicle body simulation fixture for example can include but not limited to: T-shaped trough floor 1, and it can be fixed on the mounting platform of pilot system, is convenient to the work of testing equipment; Slide-and-guide column holder 2, for fixing and support slide-and-guide post 13; Suspension linking arm 3; Bearing spring web joint 4; The virtual vehicle body dish of spring tie point spring 5; L-type disk spring pressing plate 6; The vertical disk spring pressing plate 7 of putting; The vertical dish spring 8 of putting of the virtual vehicle body of vibration damper tie point; U-shaped angle of the v-groove adjustment rack 9; Connect back up pad 10; Bearing seat web joint 11; Plain bearing housing 12; Slide-and-guide post 13; Counterweight erection column 14, it can install different counterweights according to different vehicles, to simulate sprung mass.
Fig. 3 shows exemplary damper bracket.As seen from Fig., this exemplary damper bracket can include but not limited to for example indulge shown in figure 2 and put disk spring pressing plate 7 and U-shaped truss adjustment rack 9.This exemplary damper bracket for example also includes but not limited to: angular setting plate forms 15; The virtual vehicle body dish of vibration damper tie point spring 16; And vibration damper web joint 17.According to an exemplary embodiment of the present utility model, tie point place at torsion beam back axle with vehicle body, can be in conjunction with the drawings the 2 and 3 virtual vehicle body dish of the spring tie point springs 5 of describing, the virtual vehicle body of vibration damper tie point are vertical puts one group of disk spring such as dish spring 8 and/or the virtual vehicle body dish of vibration damper tie point spring 16 and simulate the rigidity of vehicle body.For example, this group dish spring can be adjusted rigidity, to simulate the actual vehicle body rigidity while connecting.
Fig. 4 shows exemplary spring abutment.As seen from Fig., this exemplary spring abutment for example can include but not limited to bearing spring web joint 4 shown in figure 2; The virtual vehicle body dish of spring tie point spring 5; And L-type disk spring pressing plate 6.
Fig. 5 shows exemplary traveller composition.As seen from Fig., this exemplary traveller composition for example can include but not limited to bearing seat web joint 11 and plain bearing housing 12 shown in figure 2.Note, shown in Fig. 2 is exemplary right side vehicle body simulation fixture, and shown in Fig. 5 is with it that symmetrical left side vehicle body is simulated the corresponding component on fixture.This exemplary traveller composition of Fig. 5 also for example can include but not limited to: U-shaped web joint 18; Sliding bearing lid 19; And sliding bearing 20.In this exemplary traveller composition, what vehicle body simulation fixture can carry out by sliding bearing 20 on slide-and-guide post 13 fluctuates.In this exemplary traveller composition, thereby slide-and-guide post 13 can rotate around slide-and-guide column holder 2 roll motion of simulation vehicle body.
Although the utility model with preferred embodiment openly as above, it is not intended to limit the utility model.Those of ordinary skill in the art, on the basis of instruction of the present utility model, can make many possible variations and amendment and can not depart from spirit and scope of the present utility model.
For example, as those of ordinary skill in the art of the present utility modelly can understand after above open reading, be not all features described above be all solution technical problem to be solved in the utility model to reach the technique effect that the utility model will reach necessary.As space is limited, applicant is not enumerated any subset that comprises aforementioned feature and all embodiment that solved technical problem to be solved in the utility model, but they be all it is contemplated that and within scope of the present utility model.In above exemplary embodiment, for books that is not elaborated such as feature commonly known in the art, assembly and structures to avoid making this use novel feature uncertain.
Although the utility model with preferred embodiment openly as above, it is not for limiting the utility model, and any those skilled in the art can make possible variation and amendment and can not depart from spirit and scope of the present utility model.Any amendment, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, within all falling into the protection domain that the utility model claim defines.

Claims (8)

1. become the unsteady test fixture of rigidity, comprising:
Left side vehicle body simulation fixture;
Right side vehicle body simulation fixture, itself and described left side vehicle body are simulated fixture symmetry; And
At one group of dish spring at the tie point place of torsion beam back axle and vehicle body, described one group of dish spring can be adjusted rigidity, for simulating the rigidity of actual vehicle body while connecting.
Change rigidity as claimed in claim 1 float test fixture, it is characterized in that, described one group of dish spring comprise following at least one:
The virtual vehicle body dish of vibroshock tie point spring;
The vertical dish spring of putting of the virtual vehicle body of vibroshock tie point; And
The virtual vehicle body dish of spring tie point spring.
3. the unsteady test fixture of change rigidity as claimed in claim 1, is characterized in that, further comprises:
Connecting link, it links together described left side vehicle body simulation fixture and described right side vehicle body simulation fixture, wherein
Described connecting link can adapt to different body stiffness by the variation of material and/or profile and/or size.
4. the unsteady test fixture of change rigidity as claimed in claim 1, is characterized in that, further comprises:
Counterweight erection column, it is for installing counterweight with simulation sprung mass.
5. the unsteady test fixture of change rigidity as claimed in claim 4, is characterized in that:
Described counterweight is determined according to different vehicles.
6. the unsteady test fixture of change rigidity as claimed in claim 1, is characterized in that, further comprises:
Slide-and-guide post; And
Sliding bearing, wherein
The unsteady test fixture of described change rigidity fluctuates on described slide-and-guide post by described sliding bearing.
7. the unsteady test fixture of change rigidity as claimed in claim 6, is characterized in that, further comprises:
Slide-and-guide column holder, wherein
Described slide-and-guide post can also rotate to simulate around described slide-and-guide column holder the roll motion of vehicle body.
8. the unsteady test fixture of change rigidity as claimed in claim 1, is characterized in that, further comprises:
T-shaped trough floor, it is for being fixed on the mounting platform of pilot system, so that the work of testing equipment.
CN201420135624.XU 2014-03-24 2014-03-24 Torsion beam rear axle multichannel road simulation test variable stiffness floating test clamp Active CN203811385U (en)

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CN201420135624.XU CN203811385U (en) 2014-03-24 2014-03-24 Torsion beam rear axle multichannel road simulation test variable stiffness floating test clamp

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Application Number Priority Date Filing Date Title
CN201420135624.XU CN203811385U (en) 2014-03-24 2014-03-24 Torsion beam rear axle multichannel road simulation test variable stiffness floating test clamp

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105628402A (en) * 2015-12-23 2016-06-01 宁波建新底盘系统有限公司 Automobile torsion beam back shaft fatigue testing device
CN109708832A (en) * 2019-01-16 2019-05-03 江苏大学 A kind of car white vehicle body torsional rigdity test fixture
CN110542544A (en) * 2019-07-08 2019-12-06 重庆智能机器人研究院 Servo driver test platform
CN110873650A (en) * 2018-08-30 2020-03-10 上汽通用汽车有限公司 Vehicle body rigidity simulation system for suspension test

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105628402A (en) * 2015-12-23 2016-06-01 宁波建新底盘系统有限公司 Automobile torsion beam back shaft fatigue testing device
CN105628402B (en) * 2015-12-23 2019-03-05 宁波建新底盘系统有限公司 A kind of torsion beam of automobile rear axle fatigue experimental device
CN110873650A (en) * 2018-08-30 2020-03-10 上汽通用汽车有限公司 Vehicle body rigidity simulation system for suspension test
CN110873650B (en) * 2018-08-30 2021-11-16 上汽通用汽车有限公司 Vehicle body rigidity simulation system for suspension test
CN109708832A (en) * 2019-01-16 2019-05-03 江苏大学 A kind of car white vehicle body torsional rigdity test fixture
CN110542544A (en) * 2019-07-08 2019-12-06 重庆智能机器人研究院 Servo driver test platform
CN110542544B (en) * 2019-07-08 2021-03-02 重庆智能机器人研究院 Servo driver test platform

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