CN206399640U - A kind of automobile rubber bush fatigue experimental device - Google Patents
A kind of automobile rubber bush fatigue experimental device Download PDFInfo
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- CN206399640U CN206399640U CN201621479248.1U CN201621479248U CN206399640U CN 206399640 U CN206399640 U CN 206399640U CN 201621479248 U CN201621479248 U CN 201621479248U CN 206399640 U CN206399640 U CN 206399640U
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- guide rod
- drive link
- radial direction
- axial
- plate body
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Abstract
The utility model is related to a kind of automobile rubber bush fatigue experimental device, including fixture, axial loading device and radial loading device, axial loading device includes axial guide rod and the first drive link, radial loading device includes radial direction guide rod and second, 3rd and the 4th drive link, one end of the radial direction guide rod and support fix the other end respectively with second, 3rd and the 4th drive link is connected, first drive link is vertical with above-mentioned axial guide rod and radial direction guide rod respectively, second drive link, 3rd transmission rod and the 4th drive link are mutually perpendicular to, wherein the second drive link is parallel with axial guide rod and vertical with radial direction guide rod, 3rd transmission rod is vertical with axial guide rod and radial direction guide rod respectively, 4th drive link is vertical with radial direction guide rod.Automobile rubber bush fatigue experimental device in the utility model is simple in construction, highly versatile, it is only necessary to set four external driver devices, and the load output of each external driver device sets simple and clear, can preferable simulation rubber bushing actual loading operating mode.
Description
Technical field
The utility model is related to fatigue of automobile parts experiment field, more particularly to a kind of automobile rubber bush fatigue test
Device.
Background technology
In automotive suspension, rubber bushing is important damping type component, and its rigidity property and durable reliability are directly closed
It is tied to automobile chassis performance and driving comfort.Rubber bushing generally comprises inner core, outer shroud and the rubber layer between them, rubber
The fatigue durability of glue bushing is the important indicator of automotive safety characteristic.
In reality, the loads typical mode that automobile rubber bush is subject to is (bushings of such as various connecting rods)：Bushing inner core edge
Radially by the power load of a change；Constantly occur mutually to rotate along three orthogonal directions, between bushing inner core and outer shroud.Mesh
Before, two methods are commonly used in laboratory and handle this problem：First method is tested to simplify, i.e., only use radial load, or
Along with the relative rotation between rubber bushing inner core and outer shroud along some direction, such as (Shen of Application No. 201410439846.5
Please publication No. be the A of CN 104180982) a kind of bushing triple channel brake fatigue test rack of Chinese invention patent, it include rotate
Drive device, axial drive means, radial drive, rotary shaft and mounting blocks, rotating driving device are connected with rotary shaft, institute
State rotary shaft diameter and bushing diameter of bore be adapted, rotary shaft from left to right through bushing endoporus and with bushing
Side wall is adjacent to, and the through hole being adapted with bushing is provided with mounting blocks, be enclosed on bushing outside mounting blocks and with the lateral wall of bushing
It is adjacent to, the front and rear sides of mounting blocks are provided with load bar, load bar and rotary shaft arranged parallel, one end and axial direction of load bar
Drive device is connected, and the other end of load bar is connected by connecting rod with mounting blocks, and connecting rod is vertically arranged with rotary shaft, wherein
One connecting rod is connected with radial drive.The device is only capable of realizing the loading to radial load, it is impossible to preferable simulation rubber
The real load operating mode of bushing, thus accurate simulated experiment result can not be obtained.
Second method will be served as a contrast using more complicated laboratory holder and multiple hydraulic cylinders (generally six or more)
Set heart is fixed and outer shroud is connected on fixture, and oil cylinder is loaded from multiple directions to fixture.The experimental oil that this kind of method is used
Cylinder is more, for more complicated load, and the load output of each oil cylinder sets more complicated, and the loading of all directions may
Influence each other, cause certain error.
Utility model content
First technical problem to be solved in the utility model is that providing one kind can effectively simulate for prior art
The automobile rubber lining of three relative rotation load between radial load load and inner core and outer shroud that rubber bushing inner core is subject to
Cover fatigue experimental device.
Second technical problem to be solved in the utility model is to provide one kind for prior art effectively simulating
On the basis of rubber bushing real load pattern, the automobile rubber bush fatigue interacted between various load can be prevented effectively from
Experimental rig.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of automobile rubber bush fatigue test
Device, it is characterised in that including the fixture, axial loading device and radial loading device for clamping rubber bushing to be measured,
The fixture includes the bearing for being used to clamp the outer shroud of rubber bushing to be measured and the inner core two for compressing rubber bushing to be measured vertically
The support at end, the axial loading device is included along the axially arranged axial guide rod of rubber bushing to be measured and and external driver device
First drive link of connection, one end of the axial guide rod and above-mentioned inner core axial restraint, the other end are passed by ball pivot and first
Lever is connected, the radial loading device include the radial direction guide rod that is radially arranged along rubber bushing to be measured and respectively with external drive
The second drive link, the 3rd transmission rod and the 4th drive link of device connection, one end and the above-mentioned support of the radial direction guide rod are consolidated
Determine the other end to be connected with the second drive link, the 3rd transmission rod and the 4th drive link respectively by a ball pivot, above-mentioned first transmission
Bar is vertical with above-mentioned axial guide rod and radial direction guide rod respectively, above-mentioned second drive link, the 3rd transmission rod and the 4th drive link phase
Mutually vertical, wherein the second drive link is parallel with axial guide rod and vertical with radial direction guide rod, the 3rd transmission rod is vertical with axial direction guide rod
And it is parallel with radial direction guide rod, the 4th drive link is vertical with radial direction guide rod.
Preferably, first drive link, the second drive link, the 3rd transmission rod and the 4th drive link include connection
Bar and at least two corner Force transmission partses, above-mentioned two corner Force transmission partses are separately positioned on the two ends of connecting rod, and wherein one
Individual corner Force transmission partses are connected with external driver device, and another corner Force transmission parts is connected with corresponding ball pivot, each described turn
Angle Force transmission partses include setting along connecting rod length direction and orthogonal first plate body and the second plate body, and first plate
The free end of body is connected with external driver device, and the free end of the second plate body is connected with corresponding ball pivot.Corner Force transmission partses
In rigidity vertically it is very big, and along the both direction being respectively perpendicular with plane where the first plate body and the second plate body rigidity very
It is small, then the first plate body and the second plate body is easily occured bending and deformation.So the load of external driver device loading is from corner
Force transmission partses axis direction passes through, along the direction vertical with load, and the rigidity of corner Force transmission partses is smaller, thus can have certain
Displacement.From geometrical relationship, with load vertical direction along when there is a thin tail sheep one end of corner Force transmission partses, and corner is passed
The deflection of power component (promotion of external driver device or draw direction) vertically is that the second order of the displacement is a small amount of, is outside
The axial length of drive device can be considered as constant.Such as：When applying smaller drive displacement to the 3rd transmission rod, the second drive link
Displacement vertically can be considered as it is unaffected, similarly, when other drive links occur less drive displacement when, each transmission rod
Or the displacement of drive link vertically also can be considered constant, so that the first drive link, the second drive link, the 3rd transmission rod and
The load that four drive links put on rubber bushing to be measured is independent of each other, it is ensured that the accuracy of result of the test.
To consolidate corner Force transmission partses internal structure, and more firmly it is connected with connecting rod and ball pivot, preferably
Ground, the corner Force transmission partses also include being used to connect above-mentioned first plate body and the first contiguous block of the second plate body and the second connection
Block, second contiguous block is two pieces and is connected to the free end of the first plate body and the second plate body.
To enable above-mentioned each transmission rod or drive link preferably by load transmission to rubber bushing to be measured, so as to preferably
The three relative rotation load formed between the radial load load and inner core and outer shroud that effectively simulation rubber bushing inner core is subject to,
The support is C-shaped, including L-type frame and the briquetting being connected on the vertical beam of the L-type frame, and a fastening bolt sequentially passes through L-type frame
Crossbeam, the inner core centre bore and briquetting of rubber bushing to be measured, and locked with the end of axial guide rod, so that by rubber to be measured
The inner core of bushing is pressed between the crossbeam of briquetting and L-type frame, and the end of radial direction guide rod and the vertical beam of L-type frame are fixed.
External driver device in the utility model can have a variety of implementations, preferably, the external driver device
For hydraulic cylinder.
Compared with prior art, the utility model has the advantage of：Pass through clamp rubber to be measured in the utility model
Bushing, wherein bearing clamp the outer shroud of rubber bushing to be measured, and support by compressing the inner core two of rubber bushing to be measured vertically
End, applies radial load load to inner core by the 3rd transmission rod, passes through the first drive link, the second drive link and the 4th drive link
To the load for applying three relative rotations between inner core and outer shroud, so as to preferably realize to rubber bushing actual loading operating mode
Simulation so that result of the test is more true, accurate.
It can be seen that, the automobile rubber bush fatigue experimental device in the utility model is simple in construction, highly versatile, it is only necessary to set
Four external driver devices, and the load output of each external driver device sets simple and clear, preferably simulation rubber can serve as a contrast
Cover actual loading operating mode.
Brief description of the drawings
Fig. 1 is the structural representation of automobile rubber bush fatigue experimental device in the utility model embodiment；
Fig. 2 is the enlarged drawing of I part in Fig. 1；
Fig. 3 is the structure decomposition figure of I part in Fig. 1；
Fig. 4 is the enlarged drawing of II part in Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figures 1-4, a kind of automobile rubber bush fatigue experimental device, including workbench (not shown) and be arranged on
Fixture 1, axial loading device 2 and radial loading device 3 on the table top of workbench, wherein above-mentioned fixture 1 is treated for clamping
Survey rubber bushing 9.
Above-mentioned fixture 1 includes being used to clamp the bearing 11 of the outer shroud 92 of rubber bushing 9 to be measured and compresses rubber to be measured vertically
The support 12 at the two ends of inner core 91 of glue bushing 9.In the present embodiment bearing 11 in platform-like and with external fixation device (not shown)
It is fixed, the clamping through-hole 111 with the interference fit of outer shroud 92 of rubber bushing 9 to be measured is offered on bearing 11.During assembling, it is necessary to
Rubber bushing 9 is pressed into clamping through-hole 111 by forcing press, to prevent rubber bushing 9 from being loosened in process of the test.Bearing 11 is parallel
In work top, and the axis of clamping through-hole 111 is then perpendicular to work top, i.e. height side of the clamping through-hole 111 along bearing 11
To insertion, when rubber bushing 9 to be measured is loaded on the fixture 1, its axis direction is vertical with the table top of workbench.The present embodiment
In, above-mentioned support 12 is C-shaped, including L-type frame 121 and the briquetting 122 being connected on the vertical beam of L-type frame 121, is equipped with bearing 11
Rubber bushing to be measured 9 be placed between the briquetting 122 and the crossbeam of L-type frame 121, and the crossbeam and briquetting 122 are and work
The table top for making platform is parallel, and the vertical beam of L-type frame 121 and the table top of workbench are vertical.
Above-mentioned axial loading device 2 includes filling along the axially arranged axial guide rod 4 of rubber bushing 9 to be measured and with external drive
Put the first drive link 21 of (external driver device of this in the present embodiment is hydraulic cylinder, not shown) connection, the one of the axial guide rod 4
End and the above-mentioned axial restraint of inner core 91, the other end are connected by ball pivot 6 with the first drive link 21.Specifically, a fastening bolt 8
(external screw thread in fastening bolt 8 is not shown) sequentially passes through the first mounting hole 123, rubber to be measured lining on the crossbeam of L-type frame 121
The second mounting hole 124 on the centre bore and briquetting 122 of the inner core 91 of set 9, and connected with the end of axial guide rod 4 by screw thread
The mode of connecing is locked, so that the inner core 91 of rubber bushing 9 to be measured is pressed between the crossbeam of briquetting 122 and L-type frame 121, and then
Realize axial guide rod 4 and the above-mentioned axial restraint of inner core 91.
Above-mentioned radial loading device 3 include the radial direction guide rod 5 that is radially arranged relative to rubber bushing 9 to be measured and respectively with outside
The second drive link 31, the 3rd transmission rod 32 and the 4th drive link 33 of portion's drive device connection.Wherein above-mentioned radial direction guide rod 5
One end and the vertical beam of L-type frame 121 are fixed, the other end by a ball pivot 6 respectively with the second drive link 31, the 3rd transmission rod 32 and
4th drive link 33 is connected.
Further, above-mentioned first drive link 21 is vertical with above-mentioned axial guide rod 4 and radial direction guide rod 5 respectively, and above-mentioned second passes
Lever 31, the 3rd transmission rod 32 and the 4th drive link 33 are mutually perpendicular to, wherein the second drive link 31 it is parallel with axial guide rod 4 and
Vertical with radial direction guide rod 5, the 3rd transmission rod 32 is vertical with axial guide rod 4 and, fourth drive link 33 and footpath parallel with radial direction guide rod 5
It is vertical to guide rod 5.Radial load load is so applied to inner core 91 by the 3rd transmission rod 32, passes through the first drive link 21, second
The drive link 33 of drive link 31 and the 4th is to the load for applying three relative rotations between inner core 91 and outer shroud 92, so that preferably
Realize the simulation to the actual loading operating mode of rubber bushing 9.
Further, above-mentioned first drive link 21, the second drive link 31, the 3rd transmission rod 32 and the 4th drive link 33 are equal
Including connecting rod 34 and two corner Force transmission partses 35, above-mentioned two corner Force transmission partses 35 are separately positioned on the two of connecting rod 34
Hold, and one of corner Force transmission partses 35 are connected with external driver device, another corner Force transmission parts 35 and corresponding ball
Hinge 6 is connected.Each corner Force transmission partses 35 include setting along the length direction of connecting rod 34 and orthogonal first plate body
351 and second plate body 352, and the free end of first plate body 351 is connected with external driver device, and the second plate body 352 from
Connected by end with corresponding ball pivot 6.Rigidity in corner Force transmission partses 35 vertically is very big, and along with the first plate body 351 and
The rigidity very little for the both direction that the place plane of two plate body 352 is respectively perpendicular, then make the first plate body 351 and the second plate body 352 equal
Easily occur bending and deformation.So external driver device loading load from the axis direction of corner Force transmission partses 35 by when, edge
The direction vertical with load, the rigidity of corner Force transmission partses 35 is smaller, thus can have certain displacement.Can by geometrical relationship
Know, with load vertical direction along when there is a thin tail sheep one end of corner Force transmission partses 35, and corner Force transmission partses 35 are (outer vertically
The promotion of portion's drive device or draw direction) deflection be the displacement second order it is a small amount of, be the axle of corner Force transmission partses 35
It can be considered as to length constant.Such as：When applying smaller drive displacement to the 3rd transmission rod 32, second drive link 31 is vertically
Displacement can be considered as unaffected (i.e. the bushing inner core corner of the second drive link 31 control is unaffected), similarly, work as others
When less drive displacement occurs for drive link, the displacement of each transmission rod or drive link vertically also can be considered constant, so that the
One drive link 21, the second drive link 31, the 3rd transmission rod 32 and the 4th drive link 33 put on the load of rubber bushing 9 to be measured
It is independent of each other, it is ensured that the accuracy of result of the test.
To consolidate the internal structure of corner Force transmission partses 35, and more firmly realization connects with connecting rod 34 and ball pivot 6
Connect, it is preferable that the corner Force transmission partses 35 also include being used to connect the first of the above-mentioned plate body 352 of first plate body 351 and second
The contiguous block 354 of contiguous block 353 and second, second contiguous block 354 is two pieces and the first plate body 351 of difference and the second plate body
352 free end.In the present embodiment, the corner Force transmission partses 35 are integrated part.
The course of work of automobile rubber bush fatigue experimental device in the present embodiment is as follows：
(1) loading of rubber bushing to be measured：Rubber bushing 9 is pressed into clamping through-hole 111 using forcing press, and leads to clamping
Hole 111 clamps the outer shroud 92 of rubber bushing 9 to be measured.The rubber bushing 9 that will be equipped with bearing 11 is positioned in support 12, using tight
The inner core 91 of rubber bushing 9 is connected by fixing bolt 8 with axial guide rod 4, and the inner core 91 of rubber bushing 9 to be measured is pressed on into briquetting
Between 122 and the crossbeam of L-type frame 121, the loading of rubber bushing 9 to be measured is completed.
(2) load is loaded：After the completion of rubber bushing 9 to be measured is loaded, open external driver device and add to rubber bushing 9 to be measured
Carry test load.Wherein, external driver device promotes the first drive link 21 (to give a displacement, apply direction of displacement such as Fig. 1
Shown in middle a), then change corner of the inner core 91 of rubber bushing 9 along Y-axis；External driver device promotes the second drive link 31 (given one
Individual displacement, applies direction of displacement as shown in b in Fig. 1), then change corner of the inner core 91 of rubber bushing 9 along X-axis；External drive
Device promotes the 4th drive link 33 (giving a displacement, apply direction of displacement as shown in d in Fig. 1), then changes rubber bushing 9
Corner of the inner core 91 along Z axis；External driver device promotes the 3rd transmission rod 32 (to give a power load, apply force direction such as Fig. 1
Shown in middle c), then make the inner core 91 of rubber bushing 9 by Y-direction power (radial load).So as to complete to apply the inner core 91 of rubber bushing 9 to be measured
Radial load load, and between inner core 91 and outer shroud 92 apply three relative rotation load.
It can be seen that, the automobile rubber bush fatigue experimental device in the utility model is simple in construction, highly versatile, it is only necessary to set
Four external driver devices, and the load output of each external driver device sets simple and clear, preferably simulation rubber can serve as a contrast
Actual loading operating mode is covered, result of the test is true, accurate.
Claims (5)
1. a kind of automobile rubber bush fatigue experimental device, it is characterised in that including the folder for clamping rubber bushing to be measured (9)
Have (1), axial loading device (2) and radial loading device (3),
The fixture (1) includes being used to clamp the bearing (11) of the outer shroud (92) of rubber bushing to be measured (9) and compressing vertically treating
The support (12) at inner core (91) two ends of rubber bushing (9) is surveyed,
The axial loading device (2) is included along the axially arranged axial guide rod (4) of rubber bushing to be measured (9) and and external drive
The first drive link (21) of device connection, one end and above-mentioned inner core (91) axial restraint of the axial guide rod (4), the other end leads to
Ball pivot (6) is crossed to be connected with the first drive link (21),
The radial loading device (3) include the radial direction guide rod (5) that is radially arranged along rubber bushing to be measured (9) and respectively with outside
The second drive link (31), the 3rd transmission rod (32) and the 4th drive link (33) of drive device connection, the radial direction guide rod (5)
One end and above-mentioned support (12) it is fixed, the other end by a ball pivot (6) respectively with the second drive link (31), the 3rd transmission rod
(32) and the 4th drive link (33) connection,
Above-mentioned first drive link (21) is vertical with above-mentioned axial guide rod (4) and radial direction guide rod (5) respectively, above-mentioned second drive link
(31), the 3rd transmission rod (32) and the 4th drive link (33) are mutually perpendicular to, wherein the second drive link (31) and axial guide rod (4)
Parallel and vertical with radial direction guide rod (5), the 3rd transmission rod (32) is vertical with axial guide rod (4) and parallel with radial direction guide rod (5), the
Four drive links (33) are vertical with axial guide rod (4) and radial direction guide rod (5) respectively.
2. automobile rubber bush fatigue experimental device as claimed in claim 1, it is characterised in that first drive link
(21), the second drive link (31), the 3rd transmission rod (32) and the 4th drive link (33) include connecting rod (34) and at least two
Individual corner Force transmission partses (35), above-mentioned two corner Force transmission partses (35) are separately positioned on the two ends of connecting rod (34), and wherein
One corner Force transmission parts (35) is connected with external driver device, another corner Force transmission parts (35) and corresponding ball pivot (6)
Connection,
Each corner Force transmission partses (35) include setting along connecting rod (34) length direction and orthogonal first plate body
(351) and the second plate body (352), and the free end of first plate body (351) is connected with external driver device, and the second plate body
(352) free end is connected with corresponding ball pivot (6).
3. automobile rubber bush fatigue experimental device as claimed in claim 2, it is characterised in that the corner Force transmission partses
(35) the first contiguous block (353) and the second contiguous block (354) are also included, first contiguous block (353) is connected to the first plate body
(351) between the second plate body (352), second contiguous block (354) be two pieces and be connected to the first plate body (351) and
The free end of second plate body (352).
4. automobile rubber bush fatigue experimental device as claimed in claim 1, it is characterised in that the support (12) is C-shaped,
Including L-type frame (121) and the briquetting (122) being connected on the vertical beam of the L-type frame (121), a fastening bolt (8) sequentially passes through L
The centre bore and briquetting (122) of the crossbeam of type frame (121), the inner core (91) of rubber bushing to be measured (9), and with axial guide rod
(4) end locking, so that the inner core (91) of rubber bushing to be measured (9) is pressed on into the horizontal stroke of briquetting (122) and L-type frame (121)
Between beam, and the end of radial direction guide rod (5) and the vertical beam of L-type frame (121) are fixed.
5. the automobile rubber bush fatigue experimental device as described in any one of Claims 1 to 4, it is characterised in that the outside
Drive device is hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479248.1U CN206399640U (en) | 2016-12-30 | 2016-12-30 | A kind of automobile rubber bush fatigue experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479248.1U CN206399640U (en) | 2016-12-30 | 2016-12-30 | A kind of automobile rubber bush fatigue experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399640U true CN206399640U (en) | 2017-08-11 |
Family
ID=59516633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621479248.1U Withdrawn - After Issue CN206399640U (en) | 2016-12-30 | 2016-12-30 | A kind of automobile rubber bush fatigue experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206399640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525413A (en) * | 2016-12-30 | 2017-03-22 | 宁波建新底盘系统有限公司 | Vehicle rubber bushing fatigue tester |
| CN112213088A (en) * | 2020-09-22 | 2021-01-12 | 上海航天精密机械研究所 | Cabin structure compression-shear coupling load test device |
-
2016
- 2016-12-30 CN CN201621479248.1U patent/CN206399640U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525413A (en) * | 2016-12-30 | 2017-03-22 | 宁波建新底盘系统有限公司 | Vehicle rubber bushing fatigue tester |
| CN106525413B (en) * | 2016-12-30 | 2019-03-05 | 宁波建新底盘系统有限公司 | A kind of automobile rubber bush fatigue experimental device |
| CN112213088A (en) * | 2020-09-22 | 2021-01-12 | 上海航天精密机械研究所 | Cabin structure compression-shear coupling load test device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170811 Effective date of abandoning: 20190305 |
|
| AV01 | Patent right actively abandoned |