CN106441938A - Dynamic testing device of vehicle exhaust system - Google Patents
Dynamic testing device of vehicle exhaust system Download PDFInfo
- Publication number
- CN106441938A CN106441938A CN201610990543.1A CN201610990543A CN106441938A CN 106441938 A CN106441938 A CN 106441938A CN 201610990543 A CN201610990543 A CN 201610990543A CN 106441938 A CN106441938 A CN 106441938A
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- electromotor
- degree
- exhaust system
- vehicle
- stationary fixture
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000004088 simulation Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000000725 suspension Substances 0.000 claims description 12
- 230000008450 motivation Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 206010068052 Mosaicism Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention provides a dynamic testing device of a vehicle exhaust system, which comprises a six-degree-of-freedom test bed 1, a vehicle start-stop simulation system 2, an exhaust pipe 10, an independent linear actuator 11, an engine 8 and a transmission shaft fixing clamp 6, wherein the six-degree-of-freedom test bed comprises a test bed body, a test bed body; the engine 8 is fixedly arranged on the six-degree-of-freedom test bed 1, the output shaft 9 of the engine is fixedly arranged on the six-degree-of-freedom test bed 1 through the transmission shaft fixing clamp 6, the exhaust pipe 10 is connected with an exhaust manifold of the engine 8 in a sealing mode, the exhaust pipe 10 is fixedly supported by the independent linear actuator 11, and the vehicle start-stop state simulation system 2 is connected with the transmission shaft fixing clamp 6. The invention applies the full cooperation of the six-degree-of-freedom test bed and the independent linear actuator, ensures that the cold and hot ends of the exhaust pipe can be dynamically simulated and tested at the same time, and can also simulate the special state of the vehicle during starting and stopping so as to realize the omnibearing simulation of the dynamic test device, and has the advantages of wide simulation and measurement range and convenient use.
Description
Technical field
The invention belongs to automobile detection field, especially relate to a kind of dynamic checkout unit of vehicle exhaust system.
Background technology
Under prior art conditions, the durability of automobile exhaust system becomes the major criterion weighing a car mass,
In order to automobile exhaust system be done with the most reliable test it is necessary to comprehensive test analysis automobile exhaust system, in various reality
Technological expression under road conditions, this is accomplished by working condition under the conditions of various road conditions for the simulated automotive gas extraction system.
Meanwhile, whole automobile exhaust systems can be divided into hot junction with cold end it is considered that the forward part of flexible hinge is
Hot junction, the part after flexible hinge is cold end.Generally gas extraction system hot junction ratio of rigidity is larger, and temperature is also higher, hot junction durable
Sex chromosome mosaicism is mainly led to by the vibration of electromotor；For gas extraction system cold end, due between the cold and hot two ends of automobile exhaust system
It is provided with flexible hinge, the vibration of electromotor of can decaying, therefore the durability of gas extraction system cold end is typically determined by vehicle chassis impact
Fixed.Therefore study automobile exhaust system reliability, just need to analyze in conjunction with the cold and hot two ends of automobile exhaust system, pay close attention to electromotor simultaneously
The impact to automobile exhaust system of state and vehicle chassis state, therefore the R＆D personnel need one kind can simulate simultaneously send out
Motivation and vehicle chassis situation of change, enter the device of Mobile state analysis test to vehicle exhaust system.
Content of the invention
In view of this, it is contemplated that proposing a kind of dynamic checkout unit of vehicle exhaust system, can be simultaneously with realization
Simulated engine and vehicle chassis situation of change, enter the comprehensive test of Mobile state to automobile exhaust system.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that：
A kind of dynamic checkout unit of vehicle exhaust system, including six degree of freedom testing stand 1, vehicle start and stop analog systemss 2,
Exhaustor 10, independent linearity actuator 11, electromotor 8 and power transmission shaft stationary fixture 6；Electromotor 8 is fixedly arranged on six degree of freedom test
On platform 1, engine output shaft 9 is installed on six degree of freedom testing stand 1 power transmission shaft stationary fixture 6, exhaustor 10 and electromotor 8
Exhaust manifold be tightly connected, independent linearity actuator 11 is fixing to support exhaustor 10, vehicle start and stop state simulation system 2 with pass
Moving axis stationary fixture 6 connects.
Six degree of freedom testing stand 1 carry electromotor 8, can simulated engine 8 various road conditions, independent linearity actuator
11 fixing support exhaustors 10, can simulated automotive chassis various possible states, six degree of freedom testing stand 1 and independent linearity start
Device 11 with the use of it is achieved that simulation test to the various situation in the cold and hot two ends of exhaustor 10.
Further, electromotor 8 is installed on six degree of freedom testing stand 1 by electromotor stationary fixture 7；Before electromotor 8
Two ends symmetrically respectively set a power transmission shaft stationary fixture 6 afterwards.
Further, before and after electromotor 8, both sides symmetrically respectively set a vehicle start and stop state simulation system 2.
Further, before and after electromotor 8, both sides symmetrically respectively set a connecting rod fixed connecting base 3, connecting rod fixed connecting base 3
One end is connected by the outfan of outer force connecting rod 4 and vehicle start and stop state simulation system 2, connecting rod fixed connecting base 3 another
End is connected with power transmission shaft stationary fixture 6 by interior force connecting rod 5.
Vehicle start and stop state simulation system 2 is the mechanics restraint device that electromotor is applied with pre set force, is started with simulating
Machine start and stop moment working condition, the outfan of vehicle start and stop state simulation system 2 by inside and outside force connecting rod, with biography
Moving axis stationary fixture 6 connects.
Further, independent linearity actuator 11 upper end is provided with hanger 12, and hanger 12 is provided with hook 13, exhaustor 10 and extension
Hook 13 is fixedly connected.
Further, independent linearity actuator 11 arranges six according to exhaustor 10 distribution of shapes.
Independent linearity actuator 11 is connected with exhaustor 10, can the various effect shadows to exhaustor 10 for the simulated automotive chassis
Ring.
Further, electromotor stationary fixture 7 is provided with engine left suspension mount point 71, right suspension for engine mount point 72
And back suspension device of engine mount point 73.
Electromotor mount point becomes U-shaped design it is ensured that electromotor stationary fixture 7 has good fixed effect.
With respect to prior art, a kind of dynamic checkout unit of vehicle exhaust system of the present invention has the advantage that：
A kind of dynamic checkout unit of vehicle exhaust system of the present invention, including six degree of freedom testing stand, vehicle start and stop shape
State analog systemss and independent linearity actuator；Six degree of freedom testing stand and independent linearity actuator with the use of it is ensured that can
So that to exhaustor, cold and hot two ends carry out dynamic simulant test simultaneously, vehicle start and stop state simulation system can started with simulating vehicle
With special state when stopping, to realize the full-scope simulation of dynamic checkout unit, there is analogue measurement scope extensively, certainty of measurement
Height, advantage easy to use.
Brief description
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of dynamic checkout unit structural representation of vehicle exhaust system of the embodiment of the present invention；
Fig. 2 is that a kind of dynamic checkout unit electromotor stationary fixture of vehicle exhaust system of the embodiment of the present invention is illustrated
Figure.
Fig. 3 is that a kind of dynamic checkout unit independent linearity actuator of vehicle exhaust system of the embodiment of the present invention is illustrated
Figure；
Fig. 4 is a kind of dynamic checkout unit theory diagram of vehicle exhaust system of the embodiment of the present invention.
Description of reference numerals：
1- six degree of freedom testing stand；2- vehicle start and stop state simulation system；3- connecting rod fixed connecting base；The company of force outside 4-
Bar；Force connecting rod in 5-；6- power transmission shaft stationary fixture；7- electromotor stationary fixture；71- engine left suspension mount point；72- sends out
Motivation right suspension mount point；73- back suspension device of engine mount point；8- electromotor；9- engine output shaft；10- exhaustor；11-
Independent linearity actuator；12- hanger；13- links up with.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combine.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or hint phase
To importance or the implicit quantity indicating indicated technical characteristic.Thus, the feature defining " first ", " second " etc. can
To express or to implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can
To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As Figure 1-4, a kind of dynamic checkout unit of vehicle exhaust system, opens including six degree of freedom testing stand 1, vehicle
Stop analog systemss 2, exhaustor 10, independent linearity actuator 11, electromotor 8 and power transmission shaft stationary fixture 6；Electromotor 8 is fixedly arranged on
On six degree of freedom testing stand 1, engine output shaft 9 is installed on six degree of freedom testing stand 1 power transmission shaft stationary fixture 6, aerofluxuss
Pipe 10 is tightly connected with the exhaust manifold of electromotor 8, and independent linearity actuator 11 is fixing to support exhaustor 10, vehicle start and stop state
Analog systemss 2 are connected with power transmission shaft stationary fixture 6.
Six degree of freedom testing stand 1 carry electromotor 8, can simulated engine 8 various road conditions, independent linearity actuator
11 fixing support exhaustors 10, can simulated automotive chassis various possible states, six degree of freedom testing stand 1 and independent linearity start
Device 11 with the use of it is achieved that simulation test to the various situation in the cold and hot two ends of exhaustor 10.
In the practical application of the present embodiment, first electromotor is fixed on six degree of freedom testing stand 1, vehicle start and stop shape
State analog systemss 2 are connected with six degree of freedom testing stand, and then exhaustor 10 is connected with electromotor 8, independent linearity actuator 11
The fixing exhaustor 10 of support, needs to adjust six degree of freedom testing stand 1 and independent linearity actuator 11 parameter according to test analysis, with mould
Intend various possible road conditions.
In the present embodiment, vehicle start and stop state simulation system is vehicle start and stop state TIF system.
As Figure 1-4, electromotor 8 is installed on six degree of freedom testing stand 1 by electromotor stationary fixture 7；Electromotor 8
Rear and front end symmetrically respectively sets a power transmission shaft stationary fixture 6.Before and after electromotor 8, both sides symmetrically respectively set a vehicle start and stop state mould
Plan system 2.
As shown in figure 1, both sides symmetrically respectively set a connecting rod fixed connecting base 3, connecting rod fixed connecting base 3 before and after electromotor 8
One end be connected by the outfan of outer force connecting rod 4 and vehicle start and stop state simulation system 2, connecting rod fixed connecting base 3 another
One end is passed through interior force connecting rod 5 and is connected with power transmission shaft stationary fixture 6.
Vehicle start and stop state simulation system 2 is the mechanics restraint device that electromotor is applied with pre set force, is started with simulating
Machine start and stop moment working condition, the outfan of vehicle start and stop state simulation system 2 by inside and outside force connecting rod, with biography
Moving axis stationary fixture 6 connects.
As shown in figure 1, independent linearity actuator 11 arranges six according to exhaustor 10 distribution of shapes.
Independent linearity actuator 11 is connected with exhaustor 10, can the various effect shadows to exhaustor 10 for the simulated automotive chassis
Ring.
As shown in figure 3, independent linearity actuator 11 upper end is provided with hanger 12, hanger 12 is provided with hook 13, exhaustor 10 with
Hook 13 is fixedly connected.
As shown in Fig. 2 electromotor stationary fixture 7 is provided with engine left suspension mount point 71, right suspension for engine mount point
72 and back suspension device of engine mount point 73.
Electromotor mount point becomes U-shaped design it is ensured that electromotor stationary fixture 7 has good fixed effect.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of dynamic checkout unit of vehicle exhaust system it is characterised in that：Open including six degree of freedom testing stand (1), vehicle
Stop analog systemss (2), exhaustor (10), independent linearity actuator (11), electromotor (8) and power transmission shaft stationary fixture (6)；
Described electromotor (8) is fixedly arranged on described six degree of freedom testing stand (1), and described power transmission shaft stationary fixture (6) is by described
Motivation output shaft (9) is installed on described six degree of freedom testing stand (1), the row of described exhaustor (10) and described electromotor (8)
Gas manifold seal connects, and described independent linearity actuator (11) is fixing to support described exhaustor (10), described vehicle start and stop state
Analog systemss (2) are connected with power transmission shaft stationary fixture (6).
2. a kind of vehicle exhaust system according to claim 1 dynamic checkout unit it is characterised in that：Described electromotor
(8) it is installed on described six degree of freedom testing stand (1) by electromotor stationary fixture (7)；Described electromotor (8) rear and front end pair
Claim respectively to set a described power transmission shaft stationary fixture (6).
3. a kind of vehicle exhaust system according to claim 2 dynamic checkout unit it is characterised in that：Described electromotor
(8) before and after, both sides symmetrically respectively set described vehicle start and stop state simulation system (2).
4. a kind of vehicle exhaust system according to claim 2 dynamic checkout unit it is characterised in that：Described electromotor
(8) before and after, both sides symmetrically respectively set a connecting rod fixed connecting base (3), and one end of described connecting rod fixed connecting base (3) is passed through to apply outward
The outfan of power connecting rod (4) and described vehicle start and stop state simulation system (2) is connected, described connecting rod fixed connecting base (3) another
One end is passed through interior force connecting rod (5) and is connected with described power transmission shaft stationary fixture (6).
5. a kind of vehicle exhaust system according to claim 1 dynamic checkout unit it is characterised in that：Described independent lines
Property actuator (11) upper end be provided with hanger (12), described hanger (12) is provided with hook (13), described exhaustor (10) and described extension
Hook (13) is fixedly connected.
6. a kind of vehicle exhaust system according to claim 1 dynamic checkout unit it is characterised in that：Described independent lines
Property actuator (11) according to described exhaustor (10) distribution of shapes arrange six.
7. a kind of vehicle exhaust system according to claim 2 dynamic checkout unit it is characterised in that：Described electromotor
Stationary fixture (7) is provided with engine left suspension mount point (71), right suspension for engine mount point (72) and back suspension device of engine peace
Decorate (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990543.1A CN106441938A (en) | 2016-11-10 | 2016-11-10 | Dynamic testing device of vehicle exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990543.1A CN106441938A (en) | 2016-11-10 | 2016-11-10 | Dynamic testing device of vehicle exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106441938A true CN106441938A (en) | 2017-02-22 |
Family
ID=58207331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610990543.1A Pending CN106441938A (en) | 2016-11-10 | 2016-11-10 | Dynamic testing device of vehicle exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106441938A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918278A (en) * | 2017-03-17 | 2017-07-04 | 奇瑞汽车股份有限公司 | A kind of suspension system mount point cubing |
| CN108240905A (en) * | 2018-03-20 | 2018-07-03 | 苏州中汽检测技术服务有限公司 | A kind of automobile exhaust pipe thermal vibration detecting system |
| CN110411720A (en) * | 2019-07-16 | 2019-11-05 | 苏州中汽检测技术服务有限公司 | The detection device and detection method of carrier reliability in vehicle-exhaust exhaust pipe |
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| CN104462717A (en) * | 2014-12-25 | 2015-03-25 | 江铃汽车股份有限公司 | Exhaust system hanging position optimizing method based on mode superposition |
| CN204389134U (en) * | 2015-02-28 | 2015-06-10 | 中国重汽集团济南动力有限公司 | A kind of servicing unit for gas outlet under duty and sound suppressor vibration test |
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| CN205620133U (en) * | 2016-04-18 | 2016-10-05 | 浙江吉利控股集团有限公司 | Exhaust system back pressure regulator device for automobile engine bench test |
| CN106053086A (en) * | 2016-08-12 | 2016-10-26 | 中国兵器装备集团摩托车检测技术研究所 | Dynamic simulation engine testing system and method |
| CN206470063U (en) * | 2016-11-10 | 2017-09-05 | 中国汽车技术研究中心 | Dynamic testing device of vehicle exhaust system |
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2016
- 2016-11-10 CN CN201610990543.1A patent/CN106441938A/en active Pending
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|---|---|---|---|---|
| US20010002459A1 (en) * | 1999-02-22 | 2001-05-31 | Page Arthur J. | Dynamic test fixture for a vehicle exhaust system capable of twelve DOF |
| US6761077B1 (en) * | 1999-08-25 | 2004-07-13 | Faurecia Exhaust Systems, Inc. | Dual mast system for simulation testing |
| CN103674753A (en) * | 2013-12-09 | 2014-03-26 | 昆明理工大学 | Test platform for thermal shock and thermal fatigue |
| CN204101386U (en) * | 2014-08-26 | 2015-01-14 | 杰锋汽车动力系统股份有限公司 | A kind of exhaust system flexible hinge performance testing device |
| CN104462717A (en) * | 2014-12-25 | 2015-03-25 | 江铃汽车股份有限公司 | Exhaust system hanging position optimizing method based on mode superposition |
| CN204389134U (en) * | 2015-02-28 | 2015-06-10 | 中国重汽集团济南动力有限公司 | A kind of servicing unit for gas outlet under duty and sound suppressor vibration test |
| CN105067273A (en) * | 2015-09-08 | 2015-11-18 | 清华大学苏州汽车研究院（相城） | Cold-flow test apparatus for exhaust system back pressure tests and thermal state back pressure estimating method |
| CN105510011A (en) * | 2015-12-01 | 2016-04-20 | 长春工业大学 | Three-degree-of-freedom thermal fatigue testing device used for metal bellows of vehicle exhaust system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918278A (en) * | 2017-03-17 | 2017-07-04 | 奇瑞汽车股份有限公司 | A kind of suspension system mount point cubing |
| CN106918278B (en) * | 2017-03-17 | 2019-09-10 | 奇瑞汽车股份有限公司 | A kind of suspension system installation point cubing |
| CN108240905A (en) * | 2018-03-20 | 2018-07-03 | 苏州中汽检测技术服务有限公司 | A kind of automobile exhaust pipe thermal vibration detecting system |
| CN110411720A (en) * | 2019-07-16 | 2019-11-05 | 苏州中汽检测技术服务有限公司 | The detection device and detection method of carrier reliability in vehicle-exhaust exhaust pipe |
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Application publication date: 20170222 |