CN206161257U - Rubber bush's rigidity testing arrangement - Google Patents
Rubber bush's rigidity testing arrangement Download PDFInfo
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- CN206161257U CN206161257U CN201620515327.7U CN201620515327U CN206161257U CN 206161257 U CN206161257 U CN 206161257U CN 201620515327 U CN201620515327 U CN 201620515327U CN 206161257 U CN206161257 U CN 206161257U
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- rubber bushing
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Abstract
The utility model discloses a rubber bush's rigidity testing arrangement, including crossbeam, pressure actuator and base, grip block, first stand, second stand, first mounting and second mounting, the base is fixed in the first surface of crossbeam, and first stand and second stand are fixed in the crossbeam and second surface that the first surface is relative, the grip block sets up between first stand and second stand to seted up the centre gripping hole, the rubber bush who awaits measuring sets up in the centre gripping downtheholely, first mounting sets up in first stand, and the first end of first mounting is the conical surface, and rubber bush's metal internal tube's one end is gone into to the first end card of first mounting, and the second mounting sets up in the second stand, and the first end of second mounting is the conical surface, and metal internal tube's the other end is gone into to the first end card of second mounting, and the pressure actuator is fixed in the top of grip block. The utility model discloses can still can obtain accurate measuring result under big load.
Description
Technical field
The utility model is related to automotive test field, more particularly to a kind of device for testing stiffness of rubber bushing.
Background technology
The important component part that rubber bushing connects as Automobile Chassis Parts, can play damping vibration, transmit chassis
The effect of the impulsive force that the power and torque and buffering uneven road surface between parts causes, its rigidity property is several to the suspension of car load
What and elastokinematics (K＆C) characteristic and noise, vibration and sound vibration roughness (Noise, Vibration, Harshness, NVH)
Performance has a direct impact, therefore is necessary that the rigidity to rubber bushing carries out bench test before car load assembling, whether to verify it
Reach design object.
As shown in figure 1, typical rubber bushing 100 is made up of metal outer pipe 10, rubber 20, metal inner pipe 30, during stress,
Rubber 20 deforms, so as to play a part of damping vibration with impact.As shown in Fig. 2 rubber bushing 100 transmit vehicle body and
Three torsional moments Tx between suspension guide mechanism, Ty, Tz and three power Fx, Fy, Fz can produce 6 under 6 component effects
The deformation in individual direction, correspondingly there will be along x-axis, y-axis, three Line stiffness of z-axis and around x-axis, and y-axis, three of z-axis reverse firm
Degree.And wherein, radially (x, y direction) rigidity is most important.
Device for testing stiffness as shown in Figure 3, in prior art, by the way that rubber bushing 100 is press fit in disk 2, rubber
The metal outer pipe of glue bushing 100 and the endoporus interference fit of disk 2；Use between the metal inner pipe and column of rubber bushing 100
Bolt connection, when hydraulic actuator is loaded, power is transmitted by metal inner pipe end face with the friction of the side of column 3.Yet with rubber
Bolt connection, metal inner pipe is used to exist with the hole on bolt, bolt and column 3 between the metal inner pipe and column 3 of glue bushing 100
Radially there is gap, when hydraulic actuator is loaded, power is transmitted by metal inner pipe end face with the friction of the side of column 3, due to spiral shell
Bolt stall torque is limited, and the maximum load that can be transmitted is limited, when more than certain load, metal inner pipe 30 and column 3 it
Between will produce it is relative slide, cause stiffness curve distortion (as shown in Figure 4).
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of device for testing stiffness of rubber bushing, can be
Remain to obtain accurate measurement result and stiffness curve under big load.
The utility model provides a kind of device for testing stiffness of rubber bushing, including crossbeam, is built-in with displacement transducer
Pressure actuator and built-in force sensor pedestal, also including grip block, the first column, the second column, the first fixture
And second fixture, the pedestal is fixed on the first surface of the crossbeam, and first column and second column are fixed
In the second surface relative with the first surface of the crossbeam；The grip block is arranged at first column and described
Between two columns, and clamping hole is offered, rubber bushing to be measured is arranged in the clamping hole；First fixture is arranged
In first column, the first end of first fixture is in the conical surface, and the first end of first fixture snaps in described
One end of the metal inner pipe of rubber bushing, second fixture is arranged in second column, second fixture
First end is in the conical surface, and the first end of second fixture snaps in the other end of the metal inner pipe, and the pressure actuator is consolidated
Due to the top of the grip block.
Preferably, first fixture opens up the first through hole of insertion vertically, and by screw rod, nut and described
The cooperation of one through hole is fixed on first column；
Second fixture opens up the second through hole of insertion vertically, and by screw rod, nut and second through hole
Cooperation is fixed on second column.
Preferably, the first mounting hole and the second mounting hole are offered on the crossbeam, wherein, first column is fixed on
On first mounting hole, second column is fixed on second mounting hole.
Preferably, the grip block includes upper grip block and lower grip block, wherein, one end of the upper grip block is fixed with
The pressure actuator, the other end of the upper grip block offers upper groove, and one end of the lower grip block offers recessed
Groove, the upper groove is directed at connection with the low groove, to form the clamping hole.
Preferably, first column includes the first upper pillar stand and the first lower pillar stand, wherein, the one of first upper pillar stand
End offers upper groove, and one end of first lower pillar stand offers low groove, and the other end of first lower pillar stand is fixed on
On the crossbeam, the upper groove is directed at connection with the low groove and forms the first location hole, and first fixture is arranged at
In first location hole.
Preferably, second column includes the second upper pillar stand and the second lower pillar stand, wherein, the one of second upper pillar stand
End offers upper groove, and one end of second lower pillar stand offers low groove, and the other end of second lower pillar stand is fixed on
On the crossbeam, the upper groove is directed at connection with the low groove and forms the second location hole, and second fixture is arranged at
In second location hole.
Preferably, the clamping hole and the rubber bushing are interference fit.
Preferably, the axial length in the clamping hole is equal to the axial length of the metal outer pipe of the rubber bushing.
Preferably, the pressure actuator is hydraulic actuator.
The device for testing stiffness of the rubber bushing that the utility model embodiment is provided, by using first fixture
Two ends of the first end in the conical surface of the first end in the conical surface and second fixture to the metal inner ring of the rubber bushing
It is fixed, it is ensured that when test load is larger, the rubber bushing will not produce slip, and then avoid stiffness curve
The problem of distortion.
Description of the drawings
In order to be illustrated more clearly that the technical solution of the utility model, below will be attached to what is used needed for embodiment
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the rubber bushing of prior art.
Fig. 2 is rubber bushing stress diagram onboard.
Fig. 3 is a kind of part-structure schematic diagram of device for testing stiffness that prior art is provided.
Fig. 4 is the stiffness curve figure that the device for testing stiffness measurement shown in Fig. 3 is obtained.
Fig. 5 is the structural representation of the device for testing stiffness of the rubber bushing of the utility model embodiment.
Fig. 6 is the sectional view of Fig. 5.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 5 is seen also, the utility model embodiment provides a kind of device for testing stiffness 200 of rubber bushing, is used for
The rigidity property of test rubber bushing 100, the device for testing stiffness 200 of the rubber bushing includes being built-in with displacement transducer
The pressure actuator 210 of (not shown), grip block 220, the first column 230, the second column 240, the first fixture 250, second
The pedestal 280 of fixture 260, crossbeam 270 and built-in force sensor (not shown), the pedestal 280 is fixed on the crossbeam
270 first surface, first column 230 and second column 240 are being fixed on the crossbeam 270 with first table
The relative second surface in face.The grip block 220 is arranged between first column 230 and second column 240, and is opened
Clamping hole 221 is provided with, the rubber bushing 100 is arranged in the clamping hole 221.First fixture 250 is arranged at institute
State in the first column 230, the first end 251 of first fixture 250 is in the conical surface, the first end of first fixture 250
251 one end for snapping in the metal inner pipe 30, second fixture 260 is arranged in second column 240, and described second
The first end 261 of fixture 260 is in the conical surface, and the first end 261 of the second fixture 260 snaps in the another of the metal inner pipe 30
End, the pressure actuator 210 is fixed on the top of the grip block 220.
In the utility model embodiment, the pressure actuator 210 can be hydraulic actuator, and it can be from hydraulic power source
Hydraulic energy be converted to mechanical energy, and be applied on the grip block 220, because the rubber bushing 100 is fixed on the folder
Hold in block 220, therefore, the pressure formed by the mechanical energy is also applied on the rubber bushing 100.Certainly, should manage
Solution, in other embodiment of the present utility model, also by the pressure actuator of other forms, energy conversion can also be
Electric energy (or magnetic energy etc.) mechanical energy is converted to, the utility model is not specifically limited.
In the utility model embodiment, the clamping hole 221 can be circular hole, and it is interference with the rubber bushing 100
Coordinate (aperture of the aperture of the metal outer pipe 10 of i.e. described rubber bushing 100 more than or equal to the clamping hole 221), and it is described
The axial length in clamping hole 221 is equal to the axial length of metal outer pipe 10 of the rubber bushing 100, so ensure that pressure energy has
Effect is transmitted in the rubber bushing 100.
In the utility model embodiment, the first end 251 of the direction metal inner pipe 30 of first fixture 250
In the conical surface, the first end 261 of the direction metal inner pipe 30 of second fixture 260 is in the conical surface.Due to described first solid
Determining part 250 and second fixture 260 is attached with the metal inner pipe 30 by the conical surface, and the conical surface can be with the metal
Inner tube 30 tightly engages, it is ensured that under by big load, the metal inner pipe 30 will not be in two columns for the rubber bushing 100
Between produce slip, while also ensure that the rubber bushing 100 is constant with the relative position of the pedestal 280, so as to avoid
The problem of the stiffness curve distortion that test is obtained.Additionally, the mode of taper-face contact can be applicable to the rubber of different pore size
Bushing 100, increased applicability of the present utility model.
As shown in fig. 6, in the utility model embodiment, first fixture 250 offer axially through
One through hole 252, and first fixture 250 is fixed on institute by the cooperation of the first through hole 252, screw rod 253 and nut 254
State on the first column 230.Second fixture 260 offer axially through the second through hole 262, and it is described second fix
Part 260 is fixed on second column 240 by the cooperation of the second through hole 262, nut 253 and bolt 254.
The operation principle of the utility model embodiment is described more fully below.
Specifically, in the utility model embodiment, when the pressure actuator 210 works, the pressure that its conversion is formed
Power (the direction vertical-horizontal of power faces down) will be applied on the grip block 220, and be acted on by extruding the grip block 220
To on the rubber bushing 100, the rubber bushing 100 deforms upon that (displacement that this deformation causes can pass through the pressure
The built-in displacement sensor of actuator 210 is obtained) and first fixture 250 and second fixture 260 are produced
Raw radial load (the direction vertical-horizontal of power faces down) and axial force (the direction parallel, horizontal of power is faced out), wherein, described the
The axial force that one fixture 250 and second fixture 260 are subject to is in opposite direction, and is held by the screw rod 253 and nut 254
Offset.It is final to pass and radial load is then delivered to the crossbeam 270 by first column 230 and second column 240
It is delivered to the pedestal 280, the measurable radial load of the built-in force snesor of the pedestal 280.Thus, institute's rheme can be passed through
The radial load that the displacement and the force sensor measuring that the deformation that displacement sensor measurement is obtained causes is obtained obtains the rubber lining
The stiffness curve of set 100.
In sum, the device for testing stiffness 200 of the rubber bushing that the utility model embodiment is provided, by using described
Described in the first end 251 in the conical surface of the first fixture 250 and the first end 261 pairs in the conical surface of second fixture 260
The two ends of the metal inner ring 30 of rubber bushing 100 are fixed, it is ensured that when test load is larger, the rubber bushing
100 will not produce slip, and then avoid the problem of stiffness curve distortion.
In order to further to the understanding of the utility model embodiment, below will be to some preferred embodiments of the present utility model
It is described in further detail.
Preferred embodiment one：
In above-mentioned technical proposal, because the clamping hole 221 and the rubber bushing 100 are interference fit, thus in peace
The rubber bushing 100 must be squeezed in the clamping hole 221 using specific purpose tool when dress, or utilization is expanded with heat and contract with cold
Characteristic, the clamping hole 221 is heated, take advantage of the borehole enlargement in the clamping hole 221, then by the rubber bushing 100
Insert in the clamping hole 221, operate more complicated.
In the preferred embodiment, the structure design of split has been used the grip block 220, has been installed simple and need not be pressed
The specific purpose tool of dress rubber bushing 100
Specifically, in the preferred embodiment, the grip block 220 includes upper grip block 223 and lower grip block 224, institute
The one end for stating grip block 223 is fixed with the pressure actuator 210, and the other end of the upper grip block 223 offers fovea superior
Groove (such as semicircular groove), one end of the lower grip block 224 offers low groove (such as semicircular groove), the fovea superior
Groove is directed at and is formed the clamping hole 221 with the low groove.Wherein, the upper grip block 223 can with the lower grip block 224
Connected by screw rod, riveting or other modes are fixed, and the utility model is not specifically limited.
Likewise, this preferred embodiment also can adopt the knot of split to first column 230 and second column 240
Structure is designed.
Specifically, first column 230 includes the first upper pillar stand 233 and the first lower pillar stand 234, first upper pillar stand
233 one end offers upper groove (such as semicircular groove), and one end of first lower pillar stand 234 offers low groove (such as
Semicircular groove), the other end of first lower pillar stand 234 is fixed on the crossbeam 270, the upper groove with it is described under
Groove is directed at and is formed the first location hole 231.Wherein, first upper pillar stand 233 and first lower pillar stand 234 can pass through spiral shell
Bar connects, and riveting or other modes are attached fixation, and the utility model is not specifically limited.
Second column 240 includes the second upper pillar stand 243 and the second lower pillar stand 244, the one of second upper pillar stand 243
End offers upper groove (such as semicircular groove), and one end of second lower pillar stand 244 offers low groove (as semicircular
Groove), the other end of second lower pillar stand 244 is fixed on the crossbeam 270, and the upper groove is aligned with the low groove
And form the second location hole 241.Wherein, second upper pillar stand 243 and second lower pillar stand 244 can be connected by screw rod,
Riveting or other modes are attached fixation, and the utility model is not specifically limited.
Second preferred embodiment：
Due to the model difference of the rubber bushing 100, thus there may be different axial lengths, accordingly, it would be desirable to root
The distance between two columns are adjusted according to the axial length of the rubber bushing 100.
Specifically, the first mounting hole 271 and the second mounting hole 272 are offered on the crossbeam 270, wherein, described first
Column 230 is fixed on first mounting hole 271, and second column 240 is fixed on second mounting hole 272, and
First column 230 is parallel with second column 240.
In the utility model embodiment, the bottom of first column 230 can open up an installing hole, and the installation
Hole is directed at first mounting hole 271, and bolt sequentially passes through first mounting hole 271 and institute from the bottom of the crossbeam 270
Installing hole is stated, so as to first column 230 is fixed on the crossbeam 270.In the same manner, the bottom of second column 240
Can open up an installing hole, and the installing hole is directed at second mounting hole 272, bolt from the bottom of the crossbeam 270 according to
It is secondary through second mounting hole 272 and the installing hole, so as to second column 240 is fixed on the crossbeam 270.
Because first mounting hole 271 and second mounting hole 272 have horizontal width, thus can be by adjusting
Fixed bit of the column 240 of first column 230 and second on first mounting hole 271 and second mounting hole 272
Put to adjust the distance between first column 230 and second column 240, so as to be applied to the rubber of axially different length
Glue bushing 100.
Above disclosed is only a kind of preferred embodiment of the utility model, can not limit this practicality with this certainly
New interest field, one of ordinary skill in the art will appreciate that all or part of flow process of above-described embodiment is realized, and according to
The equivalent variations that the utility model claim is made, still fall within the scope that utility model is covered.
Claims (9)
1. a kind of device for testing stiffness of rubber bushing, including crossbeam, the pressure actuator for being built-in with displacement transducer and built-in
The pedestal of force sensor, it is characterised in that also solid including grip block, the first column, the second column, the first fixture and second
Determine part, the pedestal is fixed on the first surface of the crossbeam, and first column and second column are fixed on the horizontal stroke
The second surface relative with the first surface of beam；The grip block be arranged at first column and second column it
Between, and clamping hole is offered, rubber bushing to be measured is arranged in the clamping hole；First fixture is arranged at described
In one column, the first end of first fixture is in the conical surface, and the first end of first fixture snaps in the rubber bushing
Metal inner pipe one end, second fixture is arranged in second column, and the first end of second fixture is in
The conical surface, the first end of second fixture snaps in the other end of the metal inner pipe, and the pressure actuator is fixed on described
The top of grip block.
2. the device for testing stiffness of rubber bushing according to claim 1, it is characterised in that
First fixture opens up the first through hole of insertion vertically, and is coordinated by screw rod, nut and the first through hole
It is fixed on first column；
Second fixture opens up the second through hole of insertion vertically, and is coordinated by screw rod, nut and second through hole
It is fixed on second column.
3. the device for testing stiffness of rubber bushing according to claim 1, it is characterised in that is offered on the crossbeam
One mounting hole and the second mounting hole, wherein, first column is fixed on first mounting hole, and second column is fixed
On second mounting hole.
4. the device for testing stiffness of rubber bushing according to claim 1, it is characterised in that the grip block includes upper folder
Hold block and lower grip block, wherein, one end of the upper grip block is fixed with the pressure actuator, the upper grip block it is another
End offers upper groove, and one end of the lower grip block offers low groove, and the upper groove is directed at connection with the low groove,
To form the clamping hole.
5. the device for testing stiffness of rubber bushing according to claim 1, it is characterised in that first column includes the
One upper pillar stand and the first lower pillar stand, wherein, one end of first upper pillar stand offers upper groove, and the one of first lower pillar stand
End offers low groove, and the other end of first lower pillar stand is fixed on the crossbeam, the upper groove and the low groove
Alignment connection forms the first location hole, and first fixture is arranged in first location hole.
6. the device for testing stiffness of rubber bushing according to claim 1, it is characterised in that second column includes the
Two upper pillar stands and the second lower pillar stand, wherein, one end of second upper pillar stand offers upper groove, and the one of second lower pillar stand
End offers low groove, and the other end of second lower pillar stand is fixed on the crossbeam, the upper groove and the low groove
Alignment connection forms the second location hole, and second fixture is arranged in second location hole.
7. the device for testing stiffness of rubber bushing according to claim 1, it is characterised in that the clamping hole and the rubber
Glue bushing is interference fit.
8. the device for testing stiffness of rubber bushing according to claim 1, it is characterised in that the axial direction in the clamping hole is long
Axial length of the degree equal to the metal outer pipe of the rubber bushing.
9. the device for testing stiffness of the rubber bushing according to claim 1 to 8 any one, it is characterised in that the pressure
Power actuator is hydraulic actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620515327.7U CN206161257U (en) | 2016-05-30 | 2016-05-30 | Rubber bush's rigidity testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620515327.7U CN206161257U (en) | 2016-05-30 | 2016-05-30 | Rubber bush's rigidity testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN206161257U true CN206161257U (en) | 2017-05-10 |
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ID=58647921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620515327.7U Active CN206161257U (en) | 2016-05-30 | 2016-05-30 | Rubber bush's rigidity testing arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN206161257U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414173A (en) * | 2018-06-07 | 2018-08-17 | 江阴圣世杰机械制造有限公司 | A kind of rubber bushing torsion rigidity measurer and measurement method |
| CN111546257A (en) * | 2020-04-13 | 2020-08-18 | 株洲时代新材料科技股份有限公司 | Tool and method for measuring radial static stiffness of metal rubber ball hinge |
| CN113514213A (en) * | 2021-04-20 | 2021-10-19 | 博戈橡胶金属（上海）有限公司 | Radial rigidity testing tool and method for auxiliary frame bushing with preload |
-
2016
- 2016-05-30 CN CN201620515327.7U patent/CN206161257U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414173A (en) * | 2018-06-07 | 2018-08-17 | 江阴圣世杰机械制造有限公司 | A kind of rubber bushing torsion rigidity measurer and measurement method |
| CN108414173B (en) * | 2018-06-07 | 2023-09-15 | 江阴圣世杰机械制造有限公司 | Device and method for measuring torsional rigidity of rubber bushing |
| CN111546257A (en) * | 2020-04-13 | 2020-08-18 | 株洲时代新材料科技股份有限公司 | Tool and method for measuring radial static stiffness of metal rubber ball hinge |
| CN113514213A (en) * | 2021-04-20 | 2021-10-19 | 博戈橡胶金属（上海）有限公司 | Radial rigidity testing tool and method for auxiliary frame bushing with preload |
| CN113514213B (en) * | 2021-04-20 | 2023-08-18 | 博戈橡胶金属（上海）有限公司 | Radial stiffness testing tool and method for sub-frame bushing with preload |
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