CN206300798U - A kind of torsion beam of automobile formula back axle fatigue experimental device - Google Patents
A kind of torsion beam of automobile formula back axle fatigue experimental device Download PDFInfo
- Publication number
- CN206300798U CN206300798U CN201621475060.XU CN201621475060U CN206300798U CN 206300798 U CN206300798 U CN 206300798U CN 201621475060 U CN201621475060 U CN 201621475060U CN 206300798 U CN206300798 U CN 206300798U
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- CN
- China
- Prior art keywords
- back axle
- torsion beam
- electromagnet
- formula back
- steel plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model is related to a kind of torsion beam of automobile formula back axle fatigue experimental device, including workbench and stand, and rear-axle hinging to be measured is in the stand；Also include two electromagnetic drive components, each electromagnetic drive component includes electromagnet and drives steel plate, it is each to drive steel plate to be fixed with corresponding flanged plate on back axle to be measured, and both sides electromagnet alternately can apply active force in opposite direction to corresponding driving steel plate respectively, then make corresponding flanged plate that relative displacement occurs；And displacement transducer, the both sides of back axle to be measured are separately positioned on, and each displacement transducer is respectively used to measure the relative displacement of companion flange plate.The utility model apparatus structure is simple, by the use of electromagnet the back axle fatigue experiment cycle can be greatly shortened as loading loading, simultaneously, after back axle fatigue cracking, its vibration frequency can be reduced, the utility model can scan the vibration frequency of back axle using displacement transducer, such that it is able to it is on-line automatic judge back axle whether fatigue cracking, it is to avoid the error of artificial judgement.
Description
Technical field
The utility model is related to auto parts and components experimental rig field, more particularly to a kind of torsion beam of automobile formula back axle fatigue
Experimental rig.
Background technology
On vehicle body, it can slow down the impact between trailing wheel and ground to torsion beam of automobile formula rear-axle hinging, reduce noise,
Improve the comfortableness and stability of vehicle traveling.Torsion beam of automobile formula back axle generally comprises torsion beam and is connected to torsion beam
The trailing arm at two ends, wherein the junction of each trailing arm and torsion beam is respectively fixed with spring tray, and each trailing arm one end
Bushing sleeves are fixed with, the other end is fixed with flanged plate.(Authorization Notice No. is CN to Patent No. ZL201120271981.5
202163272 U) Chinese utility model patent, (application publication number is CN to Application No. 201510132767.4
104874992 A) Chinese invention patent etc. disclose this kind of existing torsion beam type rear axle structure.
Influence of the road surface to back axle fatigue properties of jolting is to design back axle to need the very important safety for considering to refer to
Mark, under road surface operating mode of jolting, left and right trailing wheel one is elevated another and is lowered, and periodicity alternating movement.In order to verify
The fatigue properties of back axle under road surface operating mode of jolting, often use proving ground test or laboratory experiment.However, proving ground test it is costly,
Cycle is long, and needs the coordination of other resources；Driven by Hydraulic Cylinder back axle is commonly used in laboratory experiment to complete to test, but the reality
Test middle hydraulic cylinder loading frequency low (being often 1Hz~2Hz), experimental period is long, and (with 1,000,000 loading is calculated, experimental period
About 6~12 days), and needed in experiment it is artificial periodically shut down detection part whether fatigue cracking, due to human error, may not
The fatigue cracking crackle of back axle can be in time found, so that experiment has larger error.
Utility model content
Technical problem to be solved in the utility model is directed to prior art and provides a kind of easy to operate and experiment knot
The accurate torsion beam of automobile formula back axle fatigue experimental device of fruit.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of torsion beam of automobile formula back axle fatigue
Experimental rig, including workbench, it is characterised in that also including stand, be arranged on the table top of the workbench, and vapour to be measured can be made
Two bushing sleeves of car torsion beam type rear axle are respectively hinged in the stand, while making the torsion of torsion beam of automobile formula back axle to be measured
Beam is in horizontal positioned；Two electromagnetic drive components, are symmetricly set on the both sides of torsion beam of automobile formula back axle to be measured, each Electromagnetic Drive group
Part includes electromagnet and drives steel plate, each to drive steel plate solid with corresponding flanged plate on torsion beam of automobile formula back axle to be measured
It is fixed, and both sides electromagnet alternately can apply active force in opposite direction to corresponding driving steel plate respectively, then make corresponding method
There is relative displacement in blue plate；And displacement transducer, it is separately positioned on the both sides of torsion beam of automobile formula back axle to be measured, and each displacement
Sensor is respectively used to measure the relative displacement of companion flange plate.
Preferably, the stand is in gate, above-mentioned two bushing sleeves are hinged with the crossbeam of stand respectively, the electromagnet
It is separately fixed on the both sides vertical beam of stand, the driving steel plate is vertically arranged and is oppositely arranged with corresponding electromagnet respectively.
For convenience of the installation of displacement transducer, it is preferable that each vertical beam is provided with for pacifying below electromagnet
Fill the mounting seat of displacement transducer.
To enable electromagnet preferably to be interacted with steel plate is driven, so as to better by Electromagnetic Drive automobile to be measured
Torsion beam type rear axle is acted, it is preferable that each driving steel plate is being evenly equipped with what power supply magnetic wave was passed through with electromagnet corresponding position
Aperture, and flanged plate be connected to it is at the lower section of the aperture and relative with displacement transducer.
To enable torsion beam of automobile formula back axle to be measured to be preferably hinged in stand, it is preferable that on the crossbeam of the stand
It is provided with two pivoting supports being hinged with corresponding bushing sleeves respectively.
Compared with prior art, the utility model has the advantage of：Divide on the flanged plate of torsion beam of automobile formula back axle to be measured
Driving steel plate is not connected with, and each corresponding position for driving steel plate is respectively arranged with electromagnet, each electromagnet and corresponding driving steel plate
Combination forms electromagnetic drive component, and each electromagnet alternately applies active force in opposite direction to corresponding driving steel plate respectively, after
And make the left and right flanged plate alternating movement in opposite direction of back axle, while the displacement number for passing through displacement sensor flanged plate
According to according to the feedback data of displacement transducer, the electric current of real-time regulation electromagnet, so as to realize to left and right flanged plate relative displacement
The precise control of amount, the torsion modes frequency of back axle is scanned using displacement transducer, after the loading frequency of electromagnet is equal to
The torsion modes frequency of bridge, if the Torsion mode frequency of back axle have dropped certain limit, represents back axle fatigue cracking.
It can be seen that, the utility model apparatus structure is simple, and it is tired to greatly shorten back axle by the use of electromagnet as loading loading
Labor experimental period, meanwhile, after back axle fatigue cracking, its vibration frequency can be reduced, and back axle can be scanned using displacement transducer
Vibration frequency so that on-line automatic can judge back axle whether fatigue cracking, it is to avoid the artificial error for judging.
Brief description of the drawings
Fig. 1 is torsion beam of automobile formula back axle fatigue experimental device in the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, a kind of torsion beam of automobile formula back axle fatigue experimental device, including workbench 1, the platform of the workbench 1
Stand 2 is provided with face 11, the stand 2 is in gate, including top crossbeam 21 and be arranged on the vertical beam 22 of the both sides of crossbeam 21.
Torsion beam of automobile formula back axle 10 to be measured is hinged in the stand 2, specifically, two pivoting supports 8, torsion is provided with crossbeam 21
Be equipped with a rotating shaft 9 on each bushing sleeves 102 of beam type rear axle 10 respectively, and two ends and the pivoting support 8 of the rotating shaft 9 two ends
Connect respectively, so that bushing sleeves 102 are formed with stand 2 be hinged, while making the torsion of torsion beam of automobile back axle 10 to be measured
Beam 101 is in horizontal positioned.
An electromagnetic drive component is respectively arranged with the both sides vertical beam 22 of above-mentioned stand 2, and makes two electromagnetic drive components pair
Title is arranged on the both sides of torsion beam of automobile formula back axle 10 to be measured.Each electromagnetic drive component includes electromagnet 4 and driving steel plate 6,
It is each to drive steel plate 6 to be fixed with corresponding flanged plate 103 on torsion beam of automobile formula back axle 10 to be measured, and both sides electromagnet 4 can divide
Alternately do not apply active force in opposite direction to corresponding driving steel plate 6, then make corresponding flanged plate 103 that relative position occurs
Move.Specifically, each electromagnet 4 is separately fixed on the both sides vertical beam 22 of stand 2, drive steel plate 6 it is vertically arranged and respectively with it is right
The electromagnet 4 answered is oppositely arranged.
Additionally, each vertical beam 22 is provided with for a mounting seat 7 in the lower section of electromagnet 4, it is provided with each mounting seat 7
One displacement transducer 5, and each displacement transducer 5 is symmetricly set on the both sides of torsion beam of automobile formula back axle 10 to be measured, and everybody
Displacement sensor 5 is respectively used to measure the relative displacement of companion flange plate 103.
Selection of land, for enable electromagnet 4 preferably with drive steel plate 6 interact and better by Electromagnetic Drive vapour to be measured
Car torsion beam type rear axle 10 is acted, it is preferable that each driving steel plate 6 is being evenly equipped with power supply magnetic wave with the corresponding position of electromagnet 4
The aperture 61 for passing through, and flanged plate 103 be connected to it is at the lower section of the aperture 61 and relative with displacement transducer 5.Above-mentioned aperture 61
Electromagnetic wave can be weakened and driving the vortex of formation at steel plate 6, so as to preferably make driving steel plate 6 be issued vividly in magnetic fields
Make.
Before experiment starts, two bushing sleeves 102 of torsion beam type rear axle 10 are connected to corresponding pivoting support 8
On, so that torsion beam type rear axle 10 to be measured is formed with stand 2 being hinged, will then drive steel plate 6 to use fixing bolt (not respectively
Show) it is connected on 10 or so two flanged plates 103 of torsion beam type rear axle, so as to complete the dress of torsion beam type rear axle 10 to be measured
Carry.
In experimentation, the electromagnet 4 at left and right two ends makes driving alternately to the active force for driving steel plate 6 to apply opposite direction
Steel plate 6 drives the alternating movement in opposite direction of left and right flanged plate 103 of back axle 10.The measurement flanged plate 103 of displacement transducer 5
Displacement data, according to the feedback data of displacement transducer 5, the electric current of real-time regulation electromagnet 4, so as to realize to left and right flanged plate
The precise control of 103 relative shifts.The torsion modes frequency of back axle 10 is scanned using displacement transducer 5, electromagnet 4
Loading frequency is equal to the torsion modes frequency (frequency is 10Hz or so) of back axle 10.If the torsion of back axle 10 in experiment
Modal frequency have dropped certain limit, represent the fatigue cracking of torsion beam type rear axle 10.
Claims (5)
1. a kind of torsion beam of automobile formula back axle fatigue experimental device, including workbench (1), it is characterised in that also include
Stand (2), is arranged on the table top (11) of the workbench (1), and can make the two of torsion beam of automobile formula back axle (10) to be measured
Bushing sleeves (102) are respectively hinged in the stand (2), while making the torsion beam of torsion beam of automobile formula back axle (10) to be measured
(101) in horizontal positioned；
Two electromagnetic drive components, are symmetricly set on the both sides of torsion beam of automobile formula back axle (10) to be measured, and each electromagnetic drive component is equal
Including electromagnet (4) and driving steel plate (6), respectively drive steel plate (6) corresponding with torsion beam of automobile formula back axle (10) to be measured
Flanged plate (103) is fixed, and both sides electromagnet (4) alternately can apply work in opposite direction to corresponding driving steel plate (6) respectively
Firmly, then make corresponding flanged plate (103) that relative displacement occurs；And
Displacement transducer (5), is separately positioned on the both sides of torsion beam of automobile formula back axle (10) to be measured, and each displacement transducer (5)
It is respectively used to measure the relative displacement of companion flange plate (103).
2. torsion beam of automobile formula back axle fatigue experimental device as claimed in claim 1, it is characterised in that the stand (2) is in
Gate, above-mentioned two bushing sleeves (102) are hinged with the crossbeam (21) of stand (2) respectively, and the electromagnet (4) is separately fixed at vertical
On the both sides vertical beam (22) of frame (2), driving steel plate (6) is vertically arranged and is oppositely arranged with corresponding electromagnet (4) respectively.
3. torsion beam of automobile formula back axle fatigue experimental device as claimed in claim 2, it is characterised in that each vertical beam (22)
The mounting seat (7) for installing displacement transducer (5) is provided with below electromagnet (4).
4. torsion beam of automobile formula back axle fatigue experimental device as claimed in claim 3, it is characterised in that each driving steel plate
(6) being evenly equipped with the power supply aperture (61) that passes through of magnetic wave with electromagnet (4) corresponding position, and flanged plate (103) to be connected to this small
It is at the lower section in hole (61) and relative with displacement transducer (5).
5. the torsion beam of automobile formula back axle fatigue experimental device as described in any one of claim 2~4, it is characterised in that described
Two pivoting supports (8) being hinged with corresponding bushing sleeves (102) respectively are provided with the crossbeam (21) of stand (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475060.XU CN206300798U (en) | 2016-12-30 | 2016-12-30 | A kind of torsion beam of automobile formula back axle fatigue experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475060.XU CN206300798U (en) | 2016-12-30 | 2016-12-30 | A kind of torsion beam of automobile formula back axle fatigue experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206300798U true CN206300798U (en) | 2017-07-04 |
Family
ID=59205051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621475060.XU Withdrawn - After Issue CN206300798U (en) | 2016-12-30 | 2016-12-30 | A kind of torsion beam of automobile formula back axle fatigue experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206300798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525464A (en) * | 2016-12-30 | 2017-03-22 | 宁波建新底盘系统有限公司 | Automobile torsion beam back bridge fatigue test device |
| CN107907429A (en) * | 2017-09-30 | 2018-04-13 | 芜湖普威技研有限公司 | Automobile rear torsion beam reverses frame |
-
2016
- 2016-12-30 CN CN201621475060.XU patent/CN206300798U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525464A (en) * | 2016-12-30 | 2017-03-22 | 宁波建新底盘系统有限公司 | Automobile torsion beam back bridge fatigue test device |
| CN106525464B (en) * | 2016-12-30 | 2019-12-10 | 宁波建新底盘系统有限公司 | Automobile torsion beam type rear axle fatigue test device |
| CN107907429A (en) * | 2017-09-30 | 2018-04-13 | 芜湖普威技研有限公司 | Automobile rear torsion beam reverses frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170704 Effective date of abandoning: 20191210 |
|
| AV01 | Patent right actively abandoned |