CN209132094U - A kind of sound device for testing stiffness of engine mounting bushing three-dimensional load - Google Patents
A kind of sound device for testing stiffness of engine mounting bushing three-dimensional load Download PDFInfo
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- CN209132094U CN209132094U CN201821592198.7U CN201821592198U CN209132094U CN 209132094 U CN209132094 U CN 209132094U CN 201821592198 U CN201821592198 U CN 201821592198U CN 209132094 U CN209132094 U CN 209132094U
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- engine mounting
- integration member
- mounting bushing
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Abstract
The utility model discloses a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load, including integration member and placement section setting up and down, the upper and lower ends of bushing sample to be measured, which respectively correspond, to be mounted on integration member and placement section, the top and side of integration member are respectively connected with actuation mechanism, and two actuation mechanisms for applying corresponding loading force axially and radially to sample by integration member respectively respectively；The lower end of placement section is connected to twisting action cylinder, twisting action cylinder is used to provide the loading force reversed using vertical axes as center axis by placement section for sample, load sensor is provided in placement section, for load sensor for detecting loading force suffered by sample, load sensor is electrically connected to ppu；The utility model, which will can apply engine mounting bushing, draw, will press, turns round multidirectional dynamically load, test its sound rigidity, damping, phase angle, carry-over factor, solve the problems, such as that engine mounting bushing can not be multidirectional while being tested.
Description
[technical field]
The utility model belongs to the dynamic of automobile suspended technical field more particularly to a kind of load of engine mounting bushing three-dimensional
Static stiffness test device.
[background technique]
The bridge that engine mounting is connect as engine with vehicle body has support, vibration isolation and position-limiting action.Suspension bushing
The vibration of engine, the vibration of vehicle body are transmitted, these vibrations are final will all to be embodied on the riding comfort of driver and passenger in the car,
To reduce subjective assessment of the occupant to vehicle comfort.The dynamic stiffness of suspension bushing also directly affects exhaust system constraint
Single order transverse curvature mode, the vertical mode of flexural vibration of single order and single order torsion mode under mode.Finite Element Simulation Analysis is suspending
It plays an important role in bushing development process, therefore the more acurrate dynamic stiffness for defining suspension bushing of energy will directly affect emulation knot
Fruit guarantees the suspension accuracy that finite element data inputs in the process of development.
However be not in the prior art very accurate to the measurement of the dynamic stiffness of suspension bushing, and be unidirectional load, and
The vibration of suspension bushing transmitting engine, the vibration of vehicle body in actual use, there are drawing, pressure, turn round multidirectional dynamically load, therefore
Actual demand is unable to satisfy to the detection method of suspension bushing in the prior art, is unable to test sound rigidity, the resistance of suspension bushing
The data such as Buddhist nun, phase angle, carry-over factor influence the result of Finite Element Simulation Analysis.
[utility model content]
The purpose of the utility model is to provide a kind of engine mounting bushing three-dimensional load sound device for testing stiffness, with
Solve the problems, such as existing test device can not simultaneously multidirectional dynamic test engine suspension bushing.
The utility model uses following technical scheme: a kind of sound rigidity test dress of engine mounting bushing three-dimensional load
Set, including integration member and placement section setting up and down, the upper and lower ends of bushing sample to be measured respectively correspond be mounted on integration member and
On placement section, the top and side of integration member are respectively connected with actuation mechanism, two actuation mechanisms for respectively by integration member to
Sample applies corresponding loading force axially and radially respectively；
The lower end of placement section is connected to twisting action cylinder, and twisting action cylinder is for being provided by placement section for sample with vertical
Axis is the loading force of center axis torsion, load sensor is provided in placement section, load sensor is for detecting suffered by sample
Loading force, load sensor are electrically connected to ppu.
Further, each actuation mechanism includes the stress as the actuator of power source and at left and right sides of actuator
Bar, two force rods are arranged in parallel, and its outer end is mutually connected vertically with connecting rod, and the piston rod of actuator is protruding
And it is vertically connected to connecting rod, the other end of two force rods is connect with integration member.
Further, the both ends of two force rods are mounted on elastic component, and pass through elastic component respectively and accordingly integrate
Part is connected with connecting rod.
Further, the outer end of piston rod is vertically fixedly installed with transverse arm bar, the elastic component of transverse arm bar and connecting rod both ends
It is connected.
Further, be additionally provided with U-shaped part before and after actuator, the piston rod of the bottom and actuator of each U-shaped part it is another
One end is fixedly connected, and two free ends of U-shaped part flank are connected with each other with connecting rod respectively.
Further, the both ends of sample are additionally provided with fixture, and fixture is for clamping and fixing sample, the both ends difference of fixture
It is fitted on corresponding integration member and placement section.
Further, accumulator is also equipped in actuator.
Further, the material of integration member is titanium.
Further, actuator is fixed on test stand.
Further, horizontal element is vertically fixedly installed on twisting action cylinder, the both ends of horizontal element are slidingly attached to two
A support portion, two support portions are used to horizontal element and slide up and down along its track, and adjust between twisting action cylinder and integration member
Distance, each support portion is installed vertically on bottom surface.
The beneficial effects of the utility model are: applying engine mounting bushing by the active force in three directions
It draws, press, turning round multidirectional dynamically load, testing its sound rigidity, damping, phase angle, carry-over factor；Solves engine mounting lining
The problem of set can not be multidirectional while being tested；By the way that integration member is arranged, engine mounting stress while property ensure that；Pass through setting
The phenomenon that U-shaped part ensure that the steady implementation of loading force, avoid oil leak；By the way that the sliding of twisting action cylinder to be arranged, guarantee
Different size engine mounting can be tested in test device；By be arranged elastic component, avoid force rod by
The influence of lateral force；Load sensor also is set in the bottom of placement section, can the reaction force to sample detect in time, and it is dynamic
State detection.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model.
Wherein: 1. samples；2. integration member；3. actuator；4. actuation mechanism；5. placement section；6. load sensor；7. torsion
Acting cylinder；8. elastic component；9.U type part；10. horizontal element；11. support portion；12. connecting rod；13. force rod；14. piston rod；15.
Transverse arm bar.
[specific embodiment]
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model discloses a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load, such as Fig. 1 institute
Show, including integration member 2 and placement section 5 setting up and down, integration member 2 is titanium, and integration member 2 is located at 1 top of bushing sample, to
The upper and lower ends for surveying bushing sample 1, which respectively correspond, to be mounted on integration member 2 and placement section 5, and the top and side of integration member 2 connect
It is connected to actuation mechanism 4, i.e. the upper end and side of integration member 2 are connected separately with actuation mechanism 4, and two actuation mechanisms 4 are for distinguishing
Apply corresponding loading force axially and radially respectively to sample 1 by integration member 2, actuation mechanism 4 both can be set in axial direction
Also it can be set in radial direction, preferably can also be respectively axially loaded power in other any directions, the loading force of actuation mechanism 4
Sample 1 can be made to afford from axially and radially by the way that actuation mechanism 4 axially and radially is arranged with radial loaded power
Loading force, can move at the same time between each actuation mechanism 4, can also be with single movement, therefore sample 1 can afford simultaneously
Individual loading force can also afford common loading force, can to engine mounting bushing sample 1 apply draw, press it is multidirectional
Dynamically load, test its sound rigidity, damping, phase angle, carry-over factor.
The both ends of sample 1 are additionally provided with fixture, and fixture is also used to pass through for test device for clamping and fixing sample 1
Fixture is that sample 1 applies loading force, and the both ends of fixture are fitted to respectively on corresponding integration member 2 and placement section 5, and fixture will try
After sample 1 clamps, when the actuation mechanism 4 of 2 top of integration member generates axial movement, or to the actuation mechanism 4 of 2 side of integration member
When generating radial motion, it is therewith that sample 1 generates loading force by fixture, is provided with load sensor 6, load in placement section 5
Sensor 6 is used to detect the loading force of the receiving of sample 1, and when sample 1 is by loading force, sample 1 generates placement section 5 certain
Active force, so that the load sensor 6 in placement section 5 affords corresponding loading force, load sensor 6 is electrically connected to processing
Device, the loading force that processor can bear load sensor 6 are counted and are analyzed.
The lower end of integration member 2 is provided with placement section 5, and placement section 5 and integration member 2 detachably connect with the both ends of sample 1 respectively
It connects, the lower end of placement section 5 is pivotally connected to twisting action cylinder 7 by rotation, and twisting action cylinder 7 is used to through placement section 5 be sample 1
The loading force reversed using vertical axes as center axis is provided, when twisting action cylinder 7 is reversed, placement section 5 is driven by rotary shaft
It is reversed, placement section 5 drives the torsion of the progress certain angle of sample 1, meeting during sample 1 reverses during torsion
Certain reaction force is generated to placement section 5, load sensor 6 is for detecting loading force suffered by sample 1, load sensor 6
The reaction force generated to sample 1 incudes, and load sensor 6 is electrically connected to ppu, and processor can be to negative
The loading force that lotus sensor 6 is born is counted and is analyzed, and can apply torsion to engine mounting bushing sample 1
Dynamically load tests its sound rigidity, damping, phase angle, carry-over factor.
Each actuation mechanism 4 includes the force rod 13 as the actuator 3 of power source and positioned at 3 left and right sides of actuator,
Actuator 3 is fixed on test stand, i.e., is fixed to actuator 3 and entire actuation mechanism 4, and guarantee test detects accurate
Property and reliability, actuator 3 be it is double go out lever acting cylinders, for piston rod 14 through actuator 3 is installed on, two force rods 13 are mutually flat
Row setting, and its outer end is mutually connected vertically with connecting rod 12, the piston rod 14 of actuator 3 is protruding and is vertically connected to
Extension bar 12, the other end of two force rods 13 are connect with integration member 2, i.e., each actuator 3 passes through 13 He of force rod of two sides
Integration member 2 is that sample 1 provides loading force, and the piston rod 14 of actuator 3 initially axially or radial back and forth movement, passes through company first
Extension bar 12 drive force rod 13 initially axially perhaps radial back and forth movement then force rod 13 to integration member 2 apply it is axial or
Radial back and forth movement, the effect of power that last integration member 2 is subject to on sample 1.
Engine mounting bushing has certain elasticity, if directly applying certain add to bushing sample 1 in testing
If carrying power, bushing sample 1 certainly will generate sizable reaction force to actuation mechanism 4, and will affect test device uses the longevity
Life, therefore the both ends of two force rods 13 are mounted on elastic component 8, and pass through elastic component 8 and accordingly integration member 2 respectively and connect
Extension bar 12 connects, and elastic component 8 is also used to delay the loading force of sample 1 for mitigating the lateral force that actuation mechanism 4 is subject to
Punching, the outer end of piston rod 14 are vertically fixedly installed with transverse arm bar 15, and transverse arm bar 15 is connected with the elastic component 8 at 12 both ends of connecting rod
It connects, when sample 1 needs actuator 3 to provide pulling force for it, the piston rod 14 of actuator 3 is moved to the direction far from integration member 2,
Elastic component 8 is connected the both ends of connecting rod 12 and piston rod 14 by transverse arm bar 15, passes through 12 band of elastic component 8 and connecting rod
Dynamic force rod 13 moves therewith, and the lateral force that actuation mechanism 4 is subject to can be greatly reduced.
The front and back of actuator 3 is additionally provided with U-shaped part 9, i.e., there are two U-shaped parts 9 and arranged in parallel, two U-shaped parts 9
Bottom be fixedly connected with the other end of piston rod 14, two free ends of U-shaped 9 flank of part both ends with connecting rod 12 respectively
It is connected with each other, U-shaped part 9 is used to guarantee 14 even running of piston rod of actuator 3, by the way that U-shaped part 9 is arranged, it is ensured that piston
Axially and radially moving for bar 14 is moved along the direction perpendicular to actuator 3, increases stability for the movement of piston rod 14, right
The connection of piston rod 14 and connecting rod 12 plays fixed function, and the setting of U-shaped part 9 is so that two force rods 13 afford simultaneously
And impartial loading force, the movement of the piston rod 14 of actuator 3 back and forth can also be avoided to lead to the generation of oil leakage phenomenon, work as piston
When bar 14 is axial or radial back and forth movement, drive the U-shaped part 9 connected on piston rod 14 and two force rods 13 carry out it is axial or
Person's radial direction back and forth movement, so that integration member 2 affords the loading force from two force rods 13, integration member 2 is by loading force
It is transmitted to bushing sample 1, sample 1 affords loading force.
There are two U-shaped parts 9 and arranged in parallel, and two U-shaped parts 9 are located at the two sides of actuation mechanism 4, and two U-shaped parts 9 are right
Claim setting, positioned at the two sides of the joint face of two force rods 13, so set, being to guarantee the relatively stable of actuation mechanism 4
Property, avoid actuator 3 piston rod 14 move when, the loading force that actuation mechanism 4 is born is unequal, influence test as a result,
Accumulator is also equipped in actuator 3, accumulator is for guaranteeing 3 even running of actuator.
The suspension bushing size and specification of each engine are not quite identical, therefore the twisting action cylinder 7 of the present apparatus can be with
It is slided, to meet the needs of to the test of different engine mounting bushings, is vertically fixedly installed on twisting action cylinder 7 up and down
Horizontal element 10, the both ends of horizontal element 10 are slidingly attached to two support portions 11, and two support portions equal 11 are used for 10 edge of horizontal element
Its track slides up and down, and adjusts the distance between twisting action cylinder 7 and integration member 2, and each support portion 11 is installed vertically on bottom
On face, horizontal element 10 carries out load-bearing to twisting action cylinder 7, and horizontal element 10 can slidably reciprocate on support portion 11, to adjust
The distance between twisting action cylinder 7 and integration member 2, and then the distance between placement section 5 and integration member 2 are adjusted, guarantee various rule
The bushing sample 1 of lattice can be tested.
The utility model use process is as follows:
The test of axially loaded power: because one end of piston rod 14 and connecting rod 12 are connected with each other, and the bottom of U-shaped part 9
Also it is connected with each other with the other end of piston rod 14, the elastic component 8 at 12 both ends of connecting rod is also connected by transverse arm bar 15 and piston rod 12
It connects, when the axial back and forth movement of the piston rod of actuator 3 14, passes through U-shaped part 9 and spring part 8 drives two force rods 13 to carry out axis
To back and forth movement, the back and forth movement of two force rods 13 makes integration member 2 afford axial round-trip loading force, and integration member 2 will
Loading force is transmitted to bushing sample 1, and sample 1 affords loading force, and the loading force of receiving is transmitted to load sensor 6 by sample 1,
The loading force afforded is sent to processor by load sensor 6, and the loading force that processor bears load sensor 6 carries out
It counts and analyzes.
The test of radial loaded power: radial actuation mechanism 4 and axial 4 structure of actuation mechanism are completely the same, and work
Process is also completely the same, because piston rod 14 upper end and connecting rod 12 be connected with each other, and the bottom of U-shaped part 9 also with piston rod
14 other end is connected with each other, and the elastic component 8 at 12 both ends of connecting rod is also connect by transverse arm bar 15 with piston rod 12, actuator 3
The radial back and forth movement of piston rod 14 when, drive two force rods 13 to carry out radial back and forth movement by U-shaped part 9 and spring part 8,
The back and forth movement of two force rods 13 makes integration member 2 afford radial round-trip loading force, and loading force is transmitted to by integration member 2
Bushing sample 1, sample 1 afford loading force, and the loading force of receiving is transmitted to load sensor 6, load sensor 6 by sample 1
The loading force afforded is sent to processor, the loading force that processor bears load sensor 6 is counted and analyzed.
It reverses the test of loading force: when twisting action cylinder 7 is reversed, driving placement section 5 to be reversed by rotary shaft,
Placement section 5 generates certain rotating force during torsion to sample 1, and sample 1 is driven to be reversed, and sample 1 is turned round
Certain reaction force can be generated during turning to placement section 5, load sensor 6 carries out the reaction force that sample 1 generates
It bears, load sensor 6 is electrically connected to processor, and the loading force that processor can bear load sensor 6 is united
It counts and analyzes.
The test of torsion loading force, axially loaded power and radial loaded power three can be carried out individually, can also be carried out simultaneously,
The two may be selected to carry out simultaneously, meet the requirement of the multidirectional dynamic monitoring of suspension bushing, solve existing test device without fado
The problem of to dynamic test engine suspension bushing.
Claims (10)
1. a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load, which is characterized in that including setting up and down
Integration member (2) and placement section (5), the upper and lower ends of bushing sample (1) to be measured, which respectively correspond, to be mounted on the integration member (2) and puts
It sets on portion (5), the top and side of the integration member (2) are respectively connected with actuation mechanism (4), and two actuation mechanisms (4) are used
Apply corresponding loading force axially and radially respectively in passing through the integration member (2) Xiang Suoshu sample (1) respectively；
The lower end of the placement section (5) is connected to twisting action cylinder (7), and the twisting action cylinder (7) is for passing through the placement
Portion (5) is that the sample (1) provides the loading force reversed using vertical axes as center axis, is provided with load in the placement section (5)
Sensor (6), the load sensor (6) is for detecting loading force suffered by the sample (1), the load sensor (6)
It is electrically connected to ppu.
2. a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load according to claim 1, feature
It is, each actuation mechanism (4) includes the actuator (3) as power source and is located at left and right sides of the actuator (3)
Force rod (13), two force rods (13) are arranged in parallel, and its outer end is mutually connected vertically with connecting rod (12),
The piston rod (14) of the actuator (3) is protruding and is vertically connected to the connecting rod (12), two force rods
(13) the other end is connect with the integration member (2).
3. a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load according to claim 2, feature
Be, the both ends of two force rods (13) are mounted on elastic component (8), and respectively by the elastic component (8) with it is corresponding
The ground integration member (2) and connecting rod (12) connection.
4. a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load according to claim 3, feature
It is, the outer end of the piston rod (14) is vertically fixedly installed with transverse arm bar (15), the transverse arm bar (15) and connecting rod (12)
The elastic component (8) at both ends is connected.
5. a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load according to claim 3, feature
It is, is additionally provided with U-shaped part (9) before and after the actuator (3), the bottom and the actuator (3) of each U-shaped part (9)
The other end of piston rod (14) be fixedly connected, two free ends of U-shaped part (9) flank are mutual with connecting rod (12) respectively
Connection.
6. according to a kind of sound device for testing stiffness of any engine mounting bushing three-dimensional load of claim 2-5,
It is characterized in that, the both ends of the sample (1) are additionally provided with fixture, the fixture is for clamping and fixing the sample (1), institute
The both ends for stating fixture are fitted to respectively on the corresponding integration member (2) and placement section (5).
7. a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load according to claim 6, feature
It is, is also equipped with accumulator on the actuator (3).
8. a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load according to claim 7, feature
It is, the material of the integration member (2) is titanium.
9. a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load according to claim 8, feature
It is, the actuator (3) is fixed on test stand.
10. a kind of sound device for testing stiffness of engine mounting bushing three-dimensional load according to claim 9, feature
It is, is vertically fixedly installed with horizontal element (10) on the twisting action cylinder (7), the both ends company of sliding of the horizontal element (10)
Two support portions (11) are connected to, two support portions (11) are used to horizontal element (10) and slide up and down along its track, and adjust
The distance between the twisting action cylinder (7) and integration member (2), each support portion (11) are installed vertically on bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592198.7U CN209132094U (en) | 2018-09-28 | 2018-09-28 | A kind of sound device for testing stiffness of engine mounting bushing three-dimensional load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592198.7U CN209132094U (en) | 2018-09-28 | 2018-09-28 | A kind of sound device for testing stiffness of engine mounting bushing three-dimensional load |
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| Publication Number | Publication Date |
|---|---|
| CN209132094U true CN209132094U (en) | 2019-07-19 |
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ID=67230648
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821592198.7U Active CN209132094U (en) | 2018-09-28 | 2018-09-28 | A kind of sound device for testing stiffness of engine mounting bushing three-dimensional load |
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| CN (1) | CN209132094U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269886A (en) * | 2018-09-28 | 2019-01-25 | 西安力创材料检测技术有限公司 | A kind of sound device for testing stiffness of engine mounting bushing three-dimensional load |
| WO2021082616A1 (en) * | 2019-10-30 | 2021-05-06 | 南京神源生智能科技有限公司 | Stiffness test device and test method |
-
2018
- 2018-09-28 CN CN201821592198.7U patent/CN209132094U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269886A (en) * | 2018-09-28 | 2019-01-25 | 西安力创材料检测技术有限公司 | A kind of sound device for testing stiffness of engine mounting bushing three-dimensional load |
| CN109269886B (en) * | 2018-09-28 | 2024-02-23 | 西安力创材料检测技术有限公司 | Dynamic and static rigidity testing device for three-way loading of engine suspension bushing |
| WO2021082616A1 (en) * | 2019-10-30 | 2021-05-06 | 南京神源生智能科技有限公司 | Stiffness test device and test method |
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