CN110530655A - A kind of combined type torsion beam experimental rig - Google Patents
A kind of combined type torsion beam experimental rig Download PDFInfo
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- CN110530655A CN110530655A CN201810514837.6A CN201810514837A CN110530655A CN 110530655 A CN110530655 A CN 110530655A CN 201810514837 A CN201810514837 A CN 201810514837A CN 110530655 A CN110530655 A CN 110530655A
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- China
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- torsion beam
- combined type
- connecting plate
- experimental rig
- trailing arm
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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
- G01M17/04—Suspension or damping
Abstract
The present invention provides a kind of combined type torsion beam experimental rigs, for carrying out the load test of different directions to torsion beam, torsion beam includes crossbeam, trailing arm set on crossbeam both ends and the wheel hub that is connected with trailing arm, combined type torsion beam experimental rig includes several trailing arm stationary fixtures, several simulated wheel brackets and several fixed pillars, trailing arm stationary fixture is fixed on fixed pillar in a manner of height-adjustable, one end of trailing arm is connected with trailing arm stationary fixture, the other end of trailing arm is connected with simulated wheel bracket, simulated wheel bracket includes wheel connecting plate, wheel connecting plate includes orthogonal wheel hub connecting plate and plug connecting plate, wheel hub connecting plate is equipped with the wheel bore for connecting wheel hub, plug connecting plate can be in orthogonal first direction, second direction and third direction are connected with actuator, with in a first direction, the Two directions and third direction apply active force to torsion beam.
Description
Technical field
The present invention relates to automobile test field more particularly to a kind of combined type torsion beam experimental rigs.
Background technique
Torsion beam is a kind of common rear overhang rack form, and the chassis security performance and traveling for being directly related to automobile are relaxed
Adaptive, therefore verifying its mechanical property is particularly important.Torsion beam in practical running car, bear wheel transmitting longitudinal direction,
The power and torque in lateral and vertical three directions, while torsion beam damper bracket and helical spring pallet are also subjected to respective component
Along the active force of its axial (vertical).
Integral frame-type is generally for the experimental rig in this field at present, each installation of torsion beam in such experimental rig
Point is inconvenient to be adjusted, and an experimental rig is only applicable to a kind of torsion beam；Another experimental rig is in integral frame-type
On the basis of install additional part adjustment structure, to realize the adjustment of torsion beam installation point, but this experimental rig still has whole frame
The problem of volume present in posture experimental rig is necessarily large and bulky；In addition, current various bench tests, loading effect point all exist
On wheel, lacks the load to damper bracket, helical spring pallet and examine；Also, the load of part rack is to pass through wheel
Center loaded, and the active force of real road is transmitted by the grounding point of tire, the structure of the torque of generation to torsion beam
Intensity effect is very big, and then directly ignoring torque from wheel center load influences, and causes test result inaccurate.
Summary of the invention
It can be in the combined type torsion beam of multiple directions progress torsion beam load test in view of this, it is necessary to provide one kind
Experimental rig.
A kind of combined type torsion beam experimental rig provided by the invention, the load for carrying out different directions to torsion beam try
It tests, the combined type torsion beam experimental rig includes several trailing arm stationary fixtures, several simulated wheel brackets, several fixed pillars
And several actuator, the trailing arm stationary fixture are fixed on the fixed pillar in a manner of height-adjustable, and described vertical
Arm stationary fixture with one end of the trailing arm of torsion beam for being connected, and the simulated wheel bracket is for another with the trailing arm of torsion beam
One end is connected, and the simulated wheel bracket includes wheel connecting plate, and the wheel connecting plate includes orthogonal wheel hub connection
Plate and plug connecting plate, the wheel hub connecting plate are equipped with the wheel bore for connecting the wheel hub of torsion beam, the plug connection
Plate can be connected in orthogonal first direction, second direction and third direction with the actuator, in a first direction,
Two directions and third direction apply active force to the torsion beam.
Further, the first direction, second direction and third direction be respectively automobile longitudinally, laterally with it is vertical,
When the actuator applies longitudinally or laterally active force to the torsion beam, the plug connecting plate is located at wheel hub connection
The lower section of plate, when the actuator applies vertical active force to the torsion beam, the plug connecting plate is located at the wheel hub
The top of connecting plate, the combined type torsion beam experimental rig further comprise that first to be connected with the plug connecting plate connect
Plug, when the actuator applies longitudinally, laterally or when vertical active force the torsion beam, the actuator passes through described the
One coupling hook is connected with the plug connecting plate.
Further, the combined type torsion beam experimental rig further comprises being located at the first coupling hook and the actuation
Load connecting rod between device, the load connecting rod include the first oscillating bearing and are connected with first oscillating bearing
First connecting tube, first oscillating bearing are connected with first coupling hook, first connecting tube and the actuator
It is connected.
Further, the combined type torsion beam experimental rig further comprises portal frame, when the actuator is to described
When torsion beam applies vertical force, one end of the actuator is connected with the plug connecting plate, the other end and the portal frame phase
Even.
Further, the torsion beam further includes the shock absorber installing bracket being connected with the trailing arm, and the combined type is turned round
Power beam test device further comprises damper fixed column, when the actuator longitudinally or laterally acts on torsion beam application
When power, one end of the damper fixed column is connected with the shock absorber installing bracket, the other end of the damper fixed column
It is fixed to experiment porch.
Further, the damper fixed column includes positioned at two second joint bearings at both ends, positioned at described second
Two the second connecting tubes being connected between oscillating bearing and with the second joint bearing and be located at second connecting tube it
Between adjusting screw rod, using being threadedly coupled between the adjusting screw rod and second connecting tube, and adjusting screw rod screw-in
The length of second connecting tube is adjustable.
Further, the torsion beam further includes the shock absorber installing bracket and/or spring tray being connected with the trailing arm,
The combined type torsion beam experimental rig further comprises portal frame, the combined type torsion beam experimental rig can also be used into
Row shock absorber installing bracket and/or spring tray load test, when the combined type torsion beam experimental rig is for carrying out vibration damping
When device mounting bracket and/or spring tray load test, the plug connecting plate is fixed to experiment porch, and the one of the actuator
End is connected with the shock absorber installing bracket and/or spring tray, and the other end is connected with the portal frame.
Further, plug connecting hole there are four setting on the plug connecting plate, first coupling hook includes plug
The fork ear of substrate and the vertical plug substrate, the fork ear are equipped with the fork trunnion hole perpendicular to the fork ear, the plug
Substrate is equipped with substrate mounting holes corresponding with the plug connecting hole, and the substrate mounting holes are located at the four of a square
Angle, first coupling hook can be installed in a first direction with second direction to the plug connecting plate.
Further, the combined type torsion beam experimental rig further comprises for adjusting the plug connecting plate and institute
State the gasket of distance between the first coupling hook, the gasket be located at the plug connecting plate and first coupling hook it
Between, and the gasket is equipped with said spacer mounting bores corresponding with the plug connecting hole.
Further, the trailing arm stationary fixture include clamp bottom board and set on the clamp bottom board it is ipsilateral first
Clamping plate and second clamping plate, the first clamping plate and the second clamping plate are fixed on the clamp bottom board, and the second clamping plate energy
It is enough mobile relative to the clamp bottom board and far from or close to the first clamping plate, set in the first clamping plate and the second clamping plate
There is the trailing arm connecting hole for connecting the trailing arm.
Further, the clamp bottom board is equipped with fixture mounting hole, and the fixed pillar is equipped with along its short transverse
The multiple groups clamp-securing bore of arrangement, the clamp-securing bore fixture mounting hole corresponding and described with the fixture mounting hole can
The clamp-securing bore cooperation of difference group, is fixed on the fixed pillar for the clamp bottom board in a manner of height-adjustable.
In conclusion combined type torsion beam experimental rig provided by the invention can be used for carrying out torsion beam longitudinally, laterally
It is tested with Plumb load, it can also be used to carry out the mounting bracket of shock absorber and spring tray load test of torsion beam；Also, this hair
The combined type torsion beam experimental rig of bright offer solves existing for integral frame-type experimental rig by using split-type design
The problem of volume is necessarily large and bulky.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the combined type torsion beam experimental rig of a specific embodiment of the invention and its structural representation of tests exemplar
Figure；
Fig. 2 is the structural schematic diagram of tests exemplar structural schematic diagram and its liner sleeve；
Fig. 3 is that tests exemplar and the connection relationship of simulated wheel bracket, load connecting rod and trailing arm stationary fixture are shown in Fig. 1
It is intended to；
Fig. 4 is that tests exemplar and simulated wheel bracket, damper fixed column, spring support load plug and trailing arm in Fig. 1
The connection relationship diagram of fixing jig structure；
Fig. 5 is the structural schematic diagram that spring support loads plug in Fig. 1；
Fig. 6 is the structural schematic diagram of trailing arm stationary fixture in Fig. 1；
Fig. 7 is the structural schematic diagram of simulated wheel bracket in Fig. 1；
Fig. 8 is the structural schematic diagram that connecting rod is loaded in Fig. 1；
Fig. 9 is the structural schematic diagram of damper fixed column in Fig. 1；
Figure 10 is the structural schematic diagram that combined type torsion beam experimental rig of the present invention applies longitudinal force to torsion beam；
Figure 11 is the structural schematic diagram that combined type torsion beam experimental rig of the present invention applies lateral force to torsion beam；
Figure 12 is the structural schematic diagram that combined type torsion beam experimental rig of the present invention applies vertical force to torsion beam；
Figure 13 is the structural representation that combined type torsion beam experimental rig of the present invention applies vertical force to mounting bracket of shock absorber
Figure；
Figure 14 is the structural schematic diagram that combined type torsion beam experimental rig of the present invention applies vertical force to spring tray.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, the present invention is described in detail as follows.
A kind of combined type torsion beam experimental rig provided by the invention, can be used to carry out torsion beam longitudinally, laterally and
Plumb load test, it can also be used to carry out the mounting bracket of shock absorber and spring tray load test of torsion beam.
As shown in Figure 1, a kind of combined type torsion beam experimental rig provided by the invention, including horizontal connection are connected in load
The actuator 40 of 70 one end of bar, the other end of actuator 40 is fixed on fixed pillar 60 in a manner of height-adjustable, to torsion
Power beam 20 is loaded along external force such as automobile side angle, longitudinal directions.
In the present embodiment, fixed pillar 60 is rectangular parallelepiped structure, and fixed pillar 60 is equipped with and arranges along its short transverse
Multiple groups clamp-securing bore 601 (see Figure 11).Actuator 40 can be fixed to fixed pillar using different groups of clamp-securing bore 601
On 60, to realize that fixed height of the actuator 40 on fixed pillar 60 is adjustable.
As shown in Figures 2 to 4, tests exemplar (the i.e. torsion of a kind of combined type torsion beam experimental rig provided by the invention
Beam 20) it include crossbeam 205, the trailing arm 200 set on 205 both ends of crossbeam, the liner sleeve 201 set on 200 one end of trailing arm, Yi Jishe
Wheel hub 202, mounting bracket of shock absorber 203 and spring tray 204 near 200 other end of trailing arm.Mounting bracket of shock absorber 203
It is equipped with damper bracket connecting hole 203a, damper bracket connecting hole 203a can be tried using combined type torsion beam of the invention
Experiment device connect when 203 load test of mounting bracket of shock absorber with actuator 40.Combined type torsion beam provided by the invention
Experimental rig further includes the spring tray load plug 204b for connecting spring pallet 204.Spring tray loads plug 204b
It can be connect when carrying out 204 load test of spring tray using combined type torsion beam experimental rig of the invention with actuator 40.
Please refer to fig. 5, spring tray load plug 204b include plug pedestal 2043 and be set to plug pedestal 2043
On plug otic placode 2044.Wherein, plug pedestal 2043 is circular slab, and the edge of plug pedestal 2043 is equipped with for by plug bottom
Seat 2043 is fixed to the bottom plate mounting hole 2042 of spring tray 204.Plug otic placode 2044 is equipped with otic placode connecting hole 2045, otic placode
Connecting hole 2045 can be when carrying out 204 load test of spring tray using combined type torsion beam experimental rig of the invention and actuation
Device 40 connects.
Please continue to refer to Fig. 3 and Fig. 4, further, combined type torsion beam experimental rig provided by the invention further includes using
If several trailing arm stationary fixtures 10 connecting in the liner sleeve 201 with different in width and the dry turning for connecting wheel hub 202
Wheel simulation bracket 30.
As shown in fig. 6, trailing arm stationary fixture 10 includes clamp bottom board 101 and is set to clamp bottom board 101 together in the present embodiment
Side and the first clamping plate 102 and second clamping plate 103 for being perpendicularly fixed at clamp bottom board 101.The edge of clamp bottom board 101 is equipped with fixture
Mounting hole 105, fixture mounting hole 105 is with 601 corresponding matching of clamp-securing bore on fixed pillar 60, it can be achieved that clamp bottom board
101 are fixed on fixed pillar 60 in a manner of height-adjustable, that is, realize height of the trailing arm stationary fixture 10 on fixed pillar 60
It spends adjustable, combined type torsion beam experimental rig of the present invention is made to be applicable to the tests exemplar of different mounting heights.
Trailing arm connecting hole 104 and 106 is respectively equipped in first clamping plate 102 and second clamping plate 103, liner sleeve 201 can lead to
The bolt being arranged in trailing arm connecting hole 104 and 106 is crossed to be fixed between first clamping plate 102 and second clamping plate 103.Also, the
One clamping plate 102 is perpendicularly fixed at clamp bottom board 101 by welding, and clamp bottom board 101 is equipped with for connecting second clamping plate 103
Two countersunk head waist-shaped holes 100, second clamping plate 103 are equipped with two threaded holes corresponding with two countersunk head waist-shaped holes 100 respectively,
Second clamping plate 103 is movably secured to fixture bottom by the bolt being arranged in countersunk head waist-shaped hole 100 and two threaded holes
Plate 101 makes second clamping plate 103 can be close to or far from first clamping plate 102, so that trailing arm stationary fixture 10 be made to be applicable to have not
With the liner sleeve 201 of width, the scope of application of combined type torsion beam experimental rig of the present invention is increased.
As shown in fig. 7, simulated wheel bracket 30 includes wheel connecting plate 301, gasket 302 and the first coupling hook 303.
In the present embodiment, wheel connecting plate 301 is L shape, and wheel connecting plate 301 includes that wheel hub connecting plate 301a is set with vertical
Plug connecting plate 301b in the one end wheel hub connecting plate 301a.One end of wheel hub connecting plate 301a is equipped with for connecting wheel hub 202
Five wheel bore 301c.Plug connecting plate 301b is square plate, and the quadrangle of plug connecting plate 301b is equipped with plug connecting hole
301d.Gasket 302 is set between plug connecting plate 301b and the first coupling hook 303, and gasket 302 is equipped with and connect with plug
The corresponding said spacer mounting bores 302a of hole 301d.First coupling hook 303 includes plug substrate 303a and is located in plug substrate
Fork the ear 303b, plug substrate 303a of the side 303a are equipped with substrate mounting holes 303c, and it is square that substrate mounting holes 303c is located at one
The quadrangle of shape.Ear 303b is pitched symmetrically and side by side set on a surface of plug substrate 303a, fork ear 303b, which is equipped with, pitches trunnion hole
303d, simulated wheel bracket 30 can be connected by fork trunnion hole 303d with load connecting rod 70 and actuator 40.
First coupling hook 303 and plug connecting plate 301b and gasket 302 can be by passing through plug connecting hole 301d, gasket
The bolt of mounting hole 302a and substrate mounting holes 303c are fixed together.Where simulated wheel bracket 30 from five wheel bore 301c
The center size of the center in region to fork ear 303b are equal to the rolling radius of wheel, and the wheel for adaptation different size is corresponding not
Same rolling radius can be realized by adjusting the thickness and/or quantity of gasket 302.Also, due to plug connecting hole 301d, pad
Piece mounting hole 302a and substrate mounting holes 303c is distributed in the quadrangle of square, and therefore, the first coupling hook 303 is connected in wheel
Installation direction on plate 301 can do 90 ° of rotations, make pitch trunnion hole 303d axial direction both can with parallel wheels in-plane,
It can be with vertical wheel in-plane (ginseng Figure 10 and Figure 11), so that actuator 40 be made both can to apply edge to simulated wheel bracket 30
The power of longitudinal direction of car can also apply the power lateral along vehicle, and combined type torsion beam experimental rig of the present invention is made to can be not only used for carrying out
Longitudinal load test of torsion beam, it can also be used to carry out the lateral load test of torsion beam.
In addition, combined type torsion beam experimental rig of the present invention can also be used in the Plumb load test for carrying out torsion beam.Such as figure
Shown in 12, when carrying out the Plumb load test of torsion beam, the installation direction of wheel connecting plate 301 need to be adjusted, wheel is connected
Plate 301 rotates 180 ° of installations, connects plug connecting plate 301b by being located to adjust below wheel hub connecting plate 301a to positioned at wheel hub
Above plate 301a, simulated wheel bracket 30 and actuator 40 then are connected using load connecting rod 70, and actuator 40 is fixed
In on portal frame 80, i.e., the load of vertical force is carried out to torsion beam using actuator 40.
In combined type torsion beam experimental rig provided by the invention, actuator 40 is linear actuator, and actuator 40 can lead to
Load connecting rod 70 is crossed respectively to add simulated wheel bracket 30 connected to it, spring tray 204, mounting bracket of shock absorber 203 etc.
Loading point applies the power along 40 axis of actuator, while actuator 40 also can record the outer force information applied and under this external force
The displacement information of related load(ing) point, and the information of the external force of reading and displacement is transferred to the computer being electrically connected with actuator 40
System, to become the important referential data of the various operation index of automobile.About the specific work of actuator 40 and computer system
Make principle, reference can be made to the prior art, this will not be repeated here.
As shown in Figure 12~Figure 14, in combined type torsion beam experimental rig provided by the invention, portal frame 80 is vertical by two
Column and a crossbeam composition, 40 right angle setting of actuator are fixed on the crossbeam of portal frame 80.
Further, as shown in figure 8, in combined type torsion beam experimental rig provided by the invention, load connecting rod 70 is wrapped
Include the first connecting tube 702 and the first oscillating bearing 701 and the first clamping screw 703 set on 702 one end of the first connecting tube.
In the present embodiment, one end of the first oscillating bearing 701 is equipped with the first connecting hole 706, and the other end is equipped with the first connection
Column 705, the first connecting hole 706 is corresponding with the fork trunnion hole 303d of simulated wheel bracket 30 and cooperates with bolt, will the company of load
Extension bar 70 is fixed to simulated wheel bracket 30.The both ends of first connecting tube 702 open up the first internal thread hole 704, the first connecting column
705 screw in first in the first internal thread hole 704 of the first connecting tubes 702 after suitable position in conjunction with the first clamping screw 703
Oscillating bearing 701 is fixed on the first connecting tube 702.First internal thread hole 704 of 702 other end of the first connecting tube is made for connecting
Dynamic device 40.
It as shown in Figure 9 and Figure 10, further include for fixing vibration damping in combined type torsion beam experimental rig provided by the invention
The damper fixed column 50 of device mounting bracket 203.
Damper fixed column 50 include positioned at both ends two second joint bearings 501, be located at second joint bearing 501 it
Between and two the second connecting tubes 502 being connected with second joint bearing 501 and the adjusting between the second connecting tube 502
Screw rod 503.
In detail, one end of second joint bearing 501 is equipped with the second connecting hole 506, and the other end is equipped with the second connecting column
505, the second connecting hole 506 of two second joint bearings 501 is respectively used to connection shock absorber installing bracket 203 and is located at vibration damping
The damper fixed column mounting base of 50 lower end of device fixed column, the structure of damper fixed column mounting base and the first coupling hook 303
Identical, details are not described herein.When actuator applies longitudinally or laterally active force to torsion beam, mounting bracket of shock absorber
203 are fixed on experiment porch by damper fixed column 50 and damper fixed column mounting base；In actuator 40 to torsion beam 20
When applying vertical active force, cancel mounting bracket of shock absorber 203 by damper fixed column 50, damper fixed column mounting base with
The fixation of experiment porch.
The both ends of second connecting tube 502 open up the second internal thread hole 504, and the second connecting column 505 screws in the second connecting tube 502
Second joint bearing 501 is simultaneously fixed on the second connecting tube using the second clamping screw 507 by second internal thread hole 504 of one end
502.Second internal thread hole 504 of 502 other end of adjusting screw rod 503 and the second connecting tube cooperates, by two the second connecting tubes 502
It is fixed together.In the present embodiment, subtracted by controlling to adjust the depth that screw rod 503 screws in the second internal thread hole 504 to control
The length for device fixed column 50 of shaking, can be applicable in the installation requirements of the mounting bracket of shock absorber 203 of different height.
As described above, combined type torsion beam experimental rig of the invention can be used to carry out torsion beam longitudinally, laterally
With Plumb load test, it can also be used to carry out the mounting bracket of shock absorber and spring tray load test of torsion beam, below just benefit
Concrete condition when carrying out different load tests with combined type torsion beam experimental rig of the invention is described in detail.
The load test of longitudinal force:
As shown in Figure 10, when longitudinal force loads, the trailing arm 200 of torsion beam 20 is fixed to using trailing arm stationary fixture 10
Determine on pillar 60, simulated wheel bracket 30 is fixed on wheel hub 202, simulated wheel bracket 30 makes the first coupling hook when assembling
303 fork longitudinal direction of the ear opening direction towards vehicle, while utilizing damper fixed column 50 and damper fixed column mounting base will
Mounting bracket of shock absorber 203 is fixed to experiment porch, connects simulated wheel bracket 30 and actuator 40 using load connecting rod 70,
Actuator 40 is fixed on other fixed pillars 60, the longitudinal force load of torsion beam can be carried out.
The load test of lateral force:
As shown in figure 11, when lateral force loads, the clamping of each component and fixation are essentially identical when loading with longitudinal force, different
Place is, when lateral force load test need to be by the first coupling hook 303 of simulated wheel bracket 30 and coupled load
Connecting rod 70, actuator 40 and fixed pillar 60 disassemble, and the first coupling hook 303 of rotation rotates its prong opening direction
90 °, makes to pitch ear opening direction towards the lateral of vehicle, then fix the first coupling hook 303 and coupled component again, i.e.,
It can carry out the lateral force load of torsion beam.
The load test of vertical force:
As shown in figure 12, when carrying out vertical force load, the clamping of torsion beam 20 and fixed use add with longitudinal force, lateral force
Similar mode is carried, but needs to cancel the fixation of mounting bracket of shock absorber 203 at this time, and simulated wheel bracket 30 is taken off it
180 ° of rotation, by the upper and lower side reversing of position of simulated wheel bracket 30, i.e., plug connecting plate 301b at this time is located at wheel hub connecting plate
Then the top of 301a connects simulated wheel bracket 30 and actuator 40 using load connecting rod 70, and by the another of actuator 40
One end is fixed on portal frame 80, can carry out the vertical force load of torsion beam, applies vertical force to core wheel using actuator 40.
The load test of mounting bracket of shock absorber 203:
As shown in figure 13, when carrying out the load test of mounting bracket of shock absorber 203, the clamping of torsion beam 20 and fixed use
With mode as vertical force loading classes, unlike, need at this time remove simulated wheel bracket 30 in gasket 302 and first connection
Plug connecting plate 301b is fixed to experiment porch, i.e., simulated wheel bracket 30 is converted to clamping from loading end and consolidated by plug 303
Fixed end, while using the damper bracket connecting hole 203a for being bolted load connecting rod 70 and mounting bracket of shock absorber 203, then
Load connecting rod 70 is connect with vertically arranged actuator 40, and actuator 40 is fixed on to the portal frame 80 of test platform
On, i.e., vertical external force is applied to mounting bracket of shock absorber 203 using actuator 40.
The load of spring tray is the load of spring tray 204:
As shown in figure 14, when carrying out 204 load test of spring tray, the clamping of spring tray 204 and torsion beam 20 is fixed
Fixed form when mode is loaded with mounting bracket of shock absorber 203 is consistent, but load(ing) point is transferred to spring tray 204, specifically,
Using the plug otic placode 2044 on spring tray load plug 204b and loads the first oscillating bearing 701 of connecting rod 70 and cooperate
Bolt will load connecting rod 70 and be fixed to spring tray 204, and load connecting rod 70 and actuator 40 are arranged vertically within fixation
On the portal frame 80 of test platform, i.e., apply vertical external force to spring tray 204 using actuator 40.
Combined type torsion beam experimental rig provided by the invention can by the actuator 40 that is connected on fixed pillar 60 with
Active force longitudinally and laterally is applied respectively to torsion beam 20；Specifically, longitudinally or laterally active force is being applied to torsion beam 20
When, simulated wheel bracket 30 is used as loading end, while mounting bracket of shock absorber 203 passes through the fixed conduct of damper fixed column 50
Fixing end, wheel hub connecting plate 301a is located at the top of plug connecting plate 301b at this time, and by the way that the first coupling hook 303 is opposite
Gasket 302 or wheel connecting plate 301 rotate, to realize the load to torsion beam longitudinally, laterally external force respectively.
Combined type torsion beam experimental rig provided by the invention can also be by the actuator 40 that is connected on gantry support 80
To apply vertical active force to torsion beam 20, mounting bracket of shock absorber 203, spring tray 204 respectively；Specifically, to torsion
When beam 20 applies vertical active force, simulated wheel bracket 30 is used as loading end, while by taking turns simulated wheel bracket 30 relatively
Hub 202 rotates so that plug connecting plate 301b is located at the top of wheel hub connecting plate 301a, to realize to the vertical external force of torsion beam
Load；When carrying out loading experiment to mounting bracket of shock absorber 203 or spring tray 204, simulated wheel bracket 30 removes pad
Piece 302 and the first coupling hook 303 and be fixed to experiment porch using as fixing end, while by mounting bracket of shock absorber 203,
The connection of spring tray 204 and actuator 40 is to carry out loading experiment to mounting bracket of shock absorber 203, spring tray 204 respectively.
The combined type torsion beam experimental rig of offer provided by the invention to torsion beam laterally, longitudinally and damper peace
When filling bracket 203, the progress loading experiment of spring tray 204, simulated wheel bracket 30, mounting bracket of shock absorber 203, spring tray
At least one in 204 is fixing end.
In conclusion combined type torsion beam experimental rig provided by the invention can be used to carry out longitudinal direction, the side of torsion beam
It is tested to Plumb load, it can also be used to carry out the mounting bracket of shock absorber and spring tray load test of torsion beam；Also, this
The combined type torsion beam experimental rig provided is provided and solves the presence of integral frame-type experimental rig by using split-type design
Volume the problem of being necessarily large and bulky；Further, combined type torsion beam experimental rig of the present invention is broad-adjustable vertical by clamping
Arm stationary fixture is fixed with the clamping for being suitable for the tests exemplar of different in width, and it is logical to solve bench test device in the prior art
With the problem of property difference；It introduces simulated wheel bracket simultaneously and draws so that load can be applied with experiment porch contact point by wheel
The torque load for entering rolling radius formation solves the problems, such as previous by the unreasonable of core wheel application load；Meanwhile the present invention is logical
It crosses and simulated wheel bracket is converted into fixed mechanism by loading mechanism with can be to stress points such as mounting bracket of shock absorber, spring trays
It is loaded, so that experimental result is more comprehensively, more rationally, and very well satisfies " riding automobile-used torsion beam rear axle fatigue life
Bench test methods " requirement.
More than, it is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art, In
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, but without departing from the technical solutions of the present invention, according to the technical essence of the invention to the above reality
Any simple modification, equivalent change and modification made by example are applied, all of which are still within the scope of the technical scheme of the invention.
Claims (11)
1. a kind of combined type torsion beam experimental rig, for torsion beam (20) to be carried out with the load test of different directions, feature
Be, the combined type torsion beam experimental rig include several trailing arm stationary fixtures (10), several simulated wheel brackets (30) if,
Solid to determine pillar (60) and several actuator (40), the trailing arm stationary fixture (10) is fixed on institute in a manner of height-adjustable
It states on fixed pillar (60), and the trailing arm stationary fixture (10) is used to be connected with one end of the trailing arm (200) of torsion beam (20),
The simulated wheel bracket (30) with the other end of the trailing arm (200) of torsion beam (20) for being connected, the simulated wheel bracket
It (30) include wheel connecting plate (301), the wheel connecting plate (301) includes orthogonal wheel hub connecting plate (301a) and fork
Head connecting plate (301b), the wheel hub connecting plate (301a) are equipped with the wheel hub for connecting the wheel hub (202) of torsion beam (20)
Hole (301c), the plug connecting plate (301b) can be in orthogonal first direction, second direction and third direction and institute
Actuator (40) are stated to be connected, in a first direction, second direction and third direction active force is applied to the torsion beam (20).
2. combined type torsion beam experimental rig according to claim 1, which is characterized in that the first direction, second party
To with third direction be respectively automobile longitudinally, laterally with it is vertical, when the actuator (40) to the torsion beam (20) apply
Longitudinally or laterally when active force, the plug connecting plate (301b) is located at the lower section of the wheel hub connecting plate (301a), when described
When actuator (40) applies vertical active force to the torsion beam (20), the plug connecting plate (301b) is located at wheel hub company
The top of fishplate bar (301a), the combined type torsion beam experimental rig further comprise being connected with the plug connecting plate (301b)
The first coupling hook (303), when the actuator (40) applies longitudinally, laterally or vertical active force the torsion beam (20)
When, the actuator (40) is connected by first coupling hook (303) with the plug connecting plate (301b).
3. combined type torsion beam experimental rig according to claim 2, which is characterized in that the combined type torsion beam test
Device further comprises the load connecting rod (70) between the first coupling hook (303) and the actuator (40), described
Load connecting rod (70) includes the first oscillating bearing (701) and first connect with what first oscillating bearing (701) was connected
It manages (702), first oscillating bearing (701) is connected with first coupling hook (303), first connecting tube (702)
It is connected with the actuator (40).
4. combined type torsion beam experimental rig according to claim 2, which is characterized in that the combined type torsion beam test
Device further comprises portal frame (80), when the actuator (40) applies vertical force to the torsion beam (20), the work
The one end of dynamic device (40) is connected with the plug connecting plate (301b), and the other end is connected with the portal frame (80).
5. combined type torsion beam experimental rig according to claim 2, which is characterized in that the torsion beam (20) further includes
The shock absorber installing bracket (203) being connected with the trailing arm (200), the combined type torsion beam experimental rig further comprises subtracting
It shakes device fixed column (50), it is described to subtract when the actuator (40) applies longitudinally or laterally active force to the torsion beam (20)
Vibration device fixed column (50) one end be connected with the shock absorber installing bracket (203), the damper fixed column (50) it is another
End is fixed to experiment porch.
6. combined type torsion beam experimental rig according to claim 5, which is characterized in that the damper fixed column (50)
Including being located at two second joint bearings (501) at both ends, between the second joint bearing (501) and with described second
Two connected the second connecting tubes (502) of oscillating bearing (501) and the adjusting between second connecting tube (502)
Screw rod (503) is used between the adjusting screw rod (503) and second connecting tube (502) and is threadedly coupled, and the adjusting spiral shell
The length that bar (503) screws in second connecting tube (502) is adjustable.
7. combined type torsion beam experimental rig according to claim 1, which is characterized in that the torsion beam (20) further includes
The shock absorber installing bracket (203) and/or spring tray (204) being connected with the trailing arm (200), the combined type torsion beam examination
Experiment device further comprises portal frame (80), and the combined type torsion beam experimental rig can also be used to carry out damper installation branch
Frame (203) and/or spring tray (204) load test, when the combined type torsion beam experimental rig is for carrying out damper peace
When filling bracket (203) and/or spring tray (204) load test, the plug connecting plate (301b) is fixed to experiment porch, institute
The one end for stating actuator (40) is connected with the shock absorber installing bracket (203) and/or spring tray (204), the other end and institute
Portal frame (80) are stated to be connected.
8. combined type torsion beam experimental rig according to claim 1, which is characterized in that the plug connecting plate (301b)
On set there are four plug connecting hole (301d), first coupling hook (303) include plug substrate (303a) and it is vertical described in
The fork ear (303b) of plug substrate (303a), fork ear (303b) are equipped with the fork trunnion hole perpendicular to fork ear (303b)
(303d), the plug substrate (303a) are equipped with substrate mounting holes corresponding with plug connecting hole (301d)
(303c), the substrate mounting holes (303c) are located at the quadrangle of a square, and first coupling hook (303) is in a first direction
It can be installed with second direction to the plug connecting plate (301b).
9. combined type torsion beam experimental rig according to claim 8, which is characterized in that the combined type torsion beam test
Device further comprises the pad for adjusting distance between the plug connecting plate (301b) and first coupling hook (303)
Piece (302), the gasket (302) is between the plug connecting plate (301b) and first coupling hook (303), and institute
Gasket (302) are stated equipped with said spacer mounting bores (302a) corresponding with plug connecting hole (301d).
10. combined type torsion beam experimental rig according to claim 1, which is characterized in that the trailing arm stationary fixture
It (10) include clamp bottom board (101) and the first clamping plate (102) and second clamping plate ipsilateral set on the clamp bottom board (101)
(103), the first clamping plate (102) and the second clamping plate (103) are fixed on the clamp bottom board (101), and described second
Clamping plate (103) can be mobile and separate or close the first clamping plate (102) relative to the clamp bottom board (101), and described first
Clamping plate (102) and the second clamping plate (103) are equipped with the trailing arm connecting hole (104,106) for connecting the trailing arm (200).
11. combined type torsion beam experimental rig according to claim 10, which is characterized in that the clamp bottom board (101)
It is equipped with fixture mounting hole (105), the fixed pillar (60) is equipped with the multiple groups clamp-securing bore arranged along its short transverse
(601), the clamp-securing bore (601) the fixture mounting hole (105) corresponding and described with fixture mounting hole (105) can
The clamp-securing bore (601) cooperation of difference group, the clamp bottom board (101) is fixed in a manner of height-adjustable described
Fixed pillar (60).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810514837.6A CN110530655A (en) | 2018-05-25 | 2018-05-25 | A kind of combined type torsion beam experimental rig |
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| CN201810514837.6A CN110530655A (en) | 2018-05-25 | 2018-05-25 | A kind of combined type torsion beam experimental rig |
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| CN201810514837.6A Pending CN110530655A (en) | 2018-05-25 | 2018-05-25 | A kind of combined type torsion beam experimental rig |
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| CN112067320A (en) * | 2020-08-13 | 2020-12-11 | 东风汽车底盘系统有限公司 | Tool for workpiece test and experimental method |
| CN113624477A (en) * | 2021-08-11 | 2021-11-09 | 安徽江淮汽车集团股份有限公司 | Device and method for measuring angle of rear torsion beam under different loads |
| CN114018603A (en) * | 2021-10-29 | 2022-02-08 | 东风商用车有限公司 | Test bench for simulating torsion working condition of vehicle frame round tubular beam |
| CN114623992A (en) * | 2022-03-14 | 2022-06-14 | 一汽解放汽车有限公司 | Leaf spring loading test bench |
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| CN113624477A (en) * | 2021-08-11 | 2021-11-09 | 安徽江淮汽车集团股份有限公司 | Device and method for measuring angle of rear torsion beam under different loads |
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