CN110455482A - A kind of automobile exhaust gas hose vibration fatigue test platform - Google Patents
A kind of automobile exhaust gas hose vibration fatigue test platform Download PDFInfo
- Publication number
- CN110455482A CN110455482A CN201910737644.1A CN201910737644A CN110455482A CN 110455482 A CN110455482 A CN 110455482A CN 201910737644 A CN201910737644 A CN 201910737644A CN 110455482 A CN110455482 A CN 110455482A
- Authority
- CN
- China
- Prior art keywords
- hose
- exhaust gas
- rocking bar
- automobile exhaust
- bottom 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.)
- Pending
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Classifications
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of automobile exhaust gas hose vibration fatigue test platform, including driving motor, crankshaft, rocking bar, hose connecting plate, connection hose, fixed plate, bottom plate, bearing, pin shaft and support shaft；The bottom plate right part, which is bolted, is provided with motor；Integral type is provided with two groups of connecting shaft structures at the top of the bottom plate；The floor rear integral type is provided with fixed plate, and integral type is provided with two groups of reinforcing rib structures on the outside of fixed plate；This structure is fixed using connection hose one end, the rocking bar of other end connecting crank rocker device provides power, adjustable motor speed by motor by crank end, it realizes different hose vibration frequencies, while meeting longitudinal extension and the radial direction deflection test environment of connection hose.
Description
Technical field
The invention belongs to commercial exhaustion system for automobile connection hose performance test fields to improve, and be related to exhaust system connection
Hose vibration fatigue test the field of test technology, more specifically, in particular to a kind of automobile exhaust gas hose vibration fatigue test
Platform.
Background technique
Exhaust system one end connection engine exhaust of vehicle exports, the exhaust aftertreatment device on the connecting base plate of one end, vehicle
In the process of running, because the vibration between engine and chassis is asynchronous, so exhaust system must be provided with connection hose, with
It avoids nonsynchronous vibration between engine and chassis from leading to exhaust system fatigue fracture, is generally needed when exhaust hose dispatches from the factory
Carry out fatigue test.
Based on above-mentioned, fatigue test board structure used at present is fixed, and does not have adjustment function, it is difficult to be realized different soft
Environment is tested in tube vibration frequency, the longitudinal extension and radial deflection that cannot meet connection hose simultaneously, and the effect of testing experiment is not
Foot.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile exhaust gas hose vibration fatigue test platforms, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of automobile exhaust gas hose vibration fatigue test platform, including driving motor, crankshaft, rocking bar, hose connecting plate, connection
Hose, fixed plate, bottom plate, bearing, pin shaft and support shaft；The bottom plate right part, which is bolted, is provided with motor；The bottom
Integral type is provided with two groups of connecting shaft structures at the top of plate；The floor rear integral type is provided with fixed plate, and one on the outside of fixed plate
Body formula is provided with two groups of reinforcing rib structures.
Further, pass through shaft fit key outside the motor shaft and be connected and fixed and be provided with crankshaft, and crankshaft side passes through
Shaft bias is connected with rocking bar.
Further, bearing is movably set with by axis connection at the top of the connecting shaft structure of the bottom plate middle；The rocking bar
Centre offers sliding slot, and is cut in the sliding slot of rocking bar outside bearing.
Further, the rocking bar left end is connected and installed with hose connecting plate, and hose connecting plate and fixation by pin shaft
Connection hose is provided with by being welded and fixed between plate.
Further, the left side of the connection hose is welded on fixed plate right side, and connects the right side of hose
It is welded on the left side of hose connecting plate.
Compared with prior art, the invention has the following beneficial effects:
This structure using connection hose one end fix, the rocking bar of other end connecting crank rocker device, by crank end by
Motor provides power, and adjustable motor speed realizes different hose vibration frequencies, while the longitudinal direction for meeting connection hose is stretched
Contracting and radial deflection test environment.
Previous vibration test rack vibration source is motor band movable eccentric wheel, realizes vibration, vibration by the centrifugal force of eccentric wheel
Dynamic source frequency high amplitude is small, is not inconsistent with actual condition, and test result can not really reflect its performance, using crank and rocker mechanism,
Electric machine frequency is adjustable, and amplitude is equal to hose design stroke, can preferably reflect its vibrating fatigue performance.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is schematic view of the front view of the invention.
Fig. 3 is that vertical view of the invention has and cuts open structural schematic diagram.
Fig. 4 is rear view three-dimensional structure of the invention.
In figure, the corresponding relationship of component names and accompanying drawing number are as follows:
1, driving motor；2, crankshaft；3, rocking bar；4, hose connecting plate；5, hose is connected；6, fixed plate；7, bottom plate；8, axis
It holds；9, pin shaft；10, support shaft.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment:
As shown in attached drawing 1 to attached drawing 4:
The present invention provides a kind of automobile exhaust gas hose vibration fatigue test platform, including driving motor 1, crankshaft 2, and rocking bar 3 is soft
Pipe connecting plate 4 connects hose 5, fixed plate 6, bottom plate 7, bearing 8, pin shaft 9 and support shaft 10；7 right part of bottom plate passes through bolt
It is fixedly installed motor 1；The 7 top integral type of bottom plate is provided with two groups of connecting shaft structures；7 rear side integral type of the bottom plate setting
There is fixed plate 6, and 6 outside integral type of fixed plate is provided with two groups of reinforcing rib structures.
Wherein, pass through shaft fit key outside 1 axis of motor and be connected and fixed and be provided with crankshaft 2, and 2 side of crankshaft is by turning
Eccentric shaft is connected with rocking bar 3, is that exhaust hose carries out vibration-testing by the way that crankshaft 2 is arranged to can produce vibration.
Wherein, bearing 8 is movably set with by axis connection at the top of the 7 middle connecting shaft structure of bottom plate；In the rocking bar 3
Between offer sliding slot, and be cut in the sliding slot of rocking bar 3 outside bearing 8.
Wherein, 3 left end of rocking bar is connected and installed with hose connecting plate 4, and hose connecting plate 4 and fixation by pin shaft 9
Connection hose 5 is provided with by being welded and fixed between plate 6.
Wherein, the left side of the connection hose 5 is welded on 6 right side of fixed plate, and connects the right side weldering of hose 5
It connects on the left side of hose connecting plate 4.
The specifically used mode and effect of the present embodiment:
In the present invention, driving motor 1 is fixedly mounted in right end, crankshaft 2 is installed on motor shaft, by 3 right end of rocking bar and song
Axis 2 connects, and sets sliding slot among rocking bar 3, bearing 8 is installed on the support shaft 10 being fixed on bottom plate 7, while bearing 8 is circumscribed
In in the sliding slot of rocking bar 3.After being rotated using motor 1 with dynamic crankshaft 2, stirs rocking bar 3 and do axial stretching, radially wobble movement.In
3 left end of rocking bar forms hinge arrangement by the connection installation hose connecting plate 4 of pin shaft 9.
When test, the left side for connecting hose 5 is welded on 6 right side of fixed plate, the right side for connecting hose 5 is welded
It connects on the left side of hose connecting plate 4, starts motor 1, connect hose 5 under the drive of crank and rocker mechanism, by setting item
Part does forced vibration, realizes the vibration fatigue test of connection hose.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (5)
1. a kind of automobile exhaust gas hose vibration fatigue test platform, it is characterised in that: a kind of automobile exhaust gas hose vibrating fatigue examination
Testing platform includes driving motor (1), crankshaft (2), rocking bar (3), hose connecting plate (4), connection hose (5), fixed plate (6), bottom plate
(7), bearing (8), pin shaft (9) and support shaft (10)；Bottom plate (7) right part, which is bolted, is provided with motor (1)；It is described
Integral type is provided with two groups of connecting shaft structures at the top of bottom plate (7)；Integral type is provided with fixed plate (6) on rear side of the bottom plate (7), and solid
Integral type is provided with two groups of reinforcing rib structures on the outside of fixed board (6).
2. a kind of automobile exhaust gas hose vibration fatigue test platform as described in claim 1, it is characterised in that: motor (1) axis
It is connected and fixed and is provided with crankshaft (2) by shaft fit key outside, and crankshaft (2) side is connected with rocking bar by shaft bias
(3)。
3. a kind of automobile exhaust gas hose vibration fatigue test platform as described in claim 1, it is characterised in that: in the bottom plate (7)
Between bearing (8) are movably set with by axis connection at the top of connecting shaft structure；Sliding slot, and bearing are offered among the rocking bar (3)
(8) it is cut in the sliding slot of rocking bar (3) outside.
4. a kind of automobile exhaust gas hose vibration fatigue test platform as described in claim 1, it is characterised in that: the rocking bar (3) is left
End is connected and installed with hose connecting plate (4) by pin shaft (9), and solid by welding between hose connecting plate (4) and fixed plate (6)
Surely it is provided with connection hose (5).
5. a kind of automobile exhaust gas hose vibration fatigue test platform as described in claim 1, it is characterised in that: the connection hose
(5) left side is welded on fixed plate (6) right side, and the right side for connecting hose (5) is welded on hose connecting plate (4)
On left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737644.1A CN110455482A (en) | 2019-08-12 | 2019-08-12 | A kind of automobile exhaust gas hose vibration fatigue test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737644.1A CN110455482A (en) | 2019-08-12 | 2019-08-12 | A kind of automobile exhaust gas hose vibration fatigue test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110455482A true CN110455482A (en) | 2019-11-15 |
Family
ID=68485906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910737644.1A Pending CN110455482A (en) | 2019-08-12 | 2019-08-12 | A kind of automobile exhaust gas hose vibration fatigue test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110455482A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667739A (en) * | 2020-07-15 | 2020-09-15 | 南通职业大学 | Mechanical vibration test teaching device |
| CN112378666A (en) * | 2020-12-01 | 2021-02-19 | 东风汽车集团有限公司 | Engine exhaust hot end durability test method, test device and system |
| CN114323527A (en) * | 2021-12-28 | 2022-04-12 | 中国北方发动机研究所(天津) | Multifunctional test bed for parts of diesel engine exhaust system |
-
2019
- 2019-08-12 CN CN201910737644.1A patent/CN110455482A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667739A (en) * | 2020-07-15 | 2020-09-15 | 南通职业大学 | Mechanical vibration test teaching device |
| CN112378666A (en) * | 2020-12-01 | 2021-02-19 | 东风汽车集团有限公司 | Engine exhaust hot end durability test method, test device and system |
| CN112378666B (en) * | 2020-12-01 | 2021-12-21 | 东风汽车集团有限公司 | Engine exhaust hot end durability test method, test device and system |
| CN114323527A (en) * | 2021-12-28 | 2022-04-12 | 中国北方发动机研究所(天津) | Multifunctional test bed for parts of diesel engine exhaust system |
| CN114323527B (en) * | 2021-12-28 | 2024-04-12 | 中国北方发动机研究所(天津) | Multifunctional test bed for parts of exhaust system of diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191115 |