CN104729844B - Bushing fatigue tester - Google Patents
Bushing fatigue tester Download PDFInfo
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- CN104729844B CN104729844B CN201510103156.7A CN201510103156A CN104729844B CN 104729844 B CN104729844 B CN 104729844B CN 201510103156 A CN201510103156 A CN 201510103156A CN 104729844 B CN104729844 B CN 104729844B
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- bushing
- swivel mount
- fatigue tester
- driver element
- piston rod
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Abstract
The invention discloses a kind of bushing fatigue tester, the bushing fatigue tester includes driving structure (8), the first torsion structure and the second torsion structure, the driving structure (8) is connected with bushing and the bushing is stretched or extruded in a first direction by drive shaft, first torsion structure is connected and driven with bushing to be rotated described in the bushing around second direction, and second twist mechanism is connected and driven with bushing to be rotated described in the bushing around third direction；Wherein, the first direction, second direction and third direction are orthogonal two-by-two.The bushing fatigue tester can be stretched or reversed to bushing simultaneously from three directions, shortened the cycle of bushing fatigue test, improved operating efficiency, save experimentation cost.
Description
Technical field
The present invention relates to Automobile Parts Inspection apparatus field, in particular it relates to the multi-direction bushing fatigue examination tested
Test machine.
Background technology
Stress of the automobile bushing on vehicle is multi-faceted stress, thus to the requirement of its durability degree for radial load and
Axial pivot angle meets to rotate or the number of stretching, reaches the examination of the fatigue test to bushing.At present, bushing producer is using single
Fatigue test is carried out to effect, and the test period that three experiments are carried out respectively is longer, wastes time and energy, experimentation cost is higher.
The content of the invention
It is an object of the invention to provide a kind of bushing fatigue tester, the bushing fatigue tester can be from three directions
Simultaneously bushing is stretched or reversed, shorten the cycle of bushing fatigue test, improve operating efficiency, save experiment into
This.
To achieve these goals, the invention provides a kind of bushing fatigue tester, the bushing fatigue tester to include
Driving structure, the first torsion structure and the second torsion structure, driving structure are connected with bushing and by drive shaft in first party
Bushing is stretched or extruded upwards, the first torsion structure is connected with bushing and driving lining is turned around second direction
Dynamic, the second twist mechanism is connected with bushing and driving lining is rotated around third direction；Wherein, first direction, second party
To orthogonal two-by-two with third direction.
Preferably, driving structure includes support and cylinder or hydraulic pump on support, and cylinder or hydraulic pump can lead to
Piston rod is crossed with bushing to be connected.
Preferably, the end set of piston rod has clamping tooling to be connected with bushing, and clamping tooling is U-frame, U-frame
Mounting hole is provided with two side, the rotating shaft of bushing is installed in mounting hole so that the main body of bushing is between two side.
Preferably, leading truck is provided between bushing and cylinder or hydraulic pump, piston rod is connected through leading truck with bushing
Connect.
Preferably, the first torsion structure includes the support frame, the first swivel mount and the first driver element that are vertically arranged, and first
Swivel mount is fixed on support frame by rotary shaft, and bushing is connected on the first swivel mount, the first driver element and the first rotation
Frame is connected and the first swivel mount can be driven to be rotated around second direction, and the axial direction of wherein second direction and piston rod is perpendicular.
Preferably, the contact position of the connecting rod of the first driver element and the first swivel mount is provided with first angle disk.
Preferably, the second torsion structure includes the second swivel mount and the second driver element, and the second swivel mount is U-shaped frame, the
The top and bottom of two swivel mounts are fixed on the first swivel mount by rotary shaft and the open end of the second swivel mount is to driving
Structure, the second driver element are connected with the second swivel mount and the second swivel mount can be driven to be rotated around third direction；Wherein,
Three directions, second direction, the axial direction of piston rod are vertical two-by-two.
Preferably, the contact position of the connecting rod of the second driver element and the second swivel mount is provided with second angle disk.
Preferably, bushing fatigue tester also includes bottom plate, and support frame and the first driver element are located at the upper surface of bottom plate,
Second driver element is located on the lateral wall of support frame.
Preferably, the first driver element and the second driver element are motor.
According to above-mentioned technical proposal, driving structure is connected by the present invention with bushing, and by drive shaft in first party
Bushing is stretched or extruded upwards, is tested with the tensile force size that can be born to bushing；By the first torsion structure
Be connected with bushing, and driving lining is rotated around second direction, with to bushing rotational angle in a second direction, turn
Dynamic amplitude and number of revolutions are tested；Same is connected the second twist mechanism with bushing, and driving lining is around the
Three directions are rotated, to test rotational angle, rotation amplitude and number of revolutions of the bushing on third direction；Examination
Test it is middle first direction, second direction and third direction are arranged to orthogonal two-by-two, then simultaneously open driving structure, first turn round
Rotation structure and the second torsion structure can carry out fatigue test to bushing simultaneously from three directions, shorten the experiment used time, carry
High operating efficiency.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation of the bushing fatigue tester in the preferred embodiment of the present invention.
Description of reference numerals
11- support frames the first swivel mounts of 12-
13- the first driver element 14- first angle disks
21- the second swivel mount the second driver elements of 22-
23- second angle disk 8- driving structures
81- support 82- clamping toolings
83- leading truck 9- bottom plates
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Referring to Fig. 1, the present invention provides a kind of bushing fatigue tester, and the bushing fatigue tester includes driving structure 8, the
One torsion structure and the second torsion structure, driving structure 8 are connected with bushing and by drive shaft in a first direction to bushing
Stretched or extruded, the first torsion structure is connected with bushing and driving lining is rotated around second direction, and second reverses
Mechanism is connected with bushing and driving lining is rotated around third direction；Wherein, first direction, second direction and third direction
It is orthogonal two-by-two.
Pass through above-mentioned technical proposal, bushing is stretched or squeezed in a first direction by the drive shaft of driving structure 8
Pressure, is tested with the tensile force size that can be born to bushing；Driving lining is rotated around second direction, to exist to bushing
Rotational angle, rotation amplitude and number of revolutions in second direction are tested；Similarly driving lining is entered around third direction
Row rotates, to test rotational angle, rotation amplitude and number of revolutions of the bushing on third direction；By during experiment
One direction, second direction and third direction are arranged to orthogonal two-by-two, then open driving structure 8, the first torsion structure simultaneously
Fatigue test is carried out to bushing simultaneously from three directions with the second torsion structure can, shortens the experiment used time, improves work
Make efficiency.
In the present embodiment, adjust its pulling force size to bushing for the ease of driving structure 8 and repeatedly draw repeatedly
Stretch and pulling force or extruding force can bear with accurate bushing, it is preferable that driving structure 8 includes support 81 and the gas on support 81
Cylinder or hydraulic pump, cylinder or hydraulic pump can be connected by piston rod with bushing.
During the above-mentioned driving lining of driving structure 8, due to pulling force it is larger when, bushing is anti-with respect to driving structure 8
Elastic force is also larger, if bushing not fixed, easily the structure of driving structure 8 is caused after bushing stress overloading is broken
Destroy, in order to avoid the generation of such case, preferably there is clamping tooling 82 to be connected with bushing in the end set of piston rod, press from both sides
It is U-frame to hold frock 82, and mounting hole is provided with the two side of U-frame, and the rotating shaft of bushing is installed in mounting hole so that bushing
Main body between two side.
In addition, being easily subjected to displacement when bushing stress is larger causes test structure inaccurate, therefore need to be in its stress side
Be oriented to upwards, it is preferable that be provided with leading truck 83 between bushing and cylinder or hydraulic pump, piston rod through leading truck 83 with
Bushing is connected.So, even if cylinder or hydraulic pump produce larger pressure, piston rod still can be all the time along leading truck 83
Guide direction stretches or extruding bushing.
In present embodiment, in order to simplify the first torsion structure, the stability of the first torsion structure is improved so that it is turning
It will not arbitrarily be subjected to displacement influence result of the test during dynamic, support frame 11 that preferably the first torsion structure includes being vertically arranged,
First swivel mount 12 and the first driver element 13, the first swivel mount 12 are fixed on support frame 11 by rotary shaft, bushing connection
In on the first swivel mount 12, the first driver element 13 is connected with the first swivel mount 12 and can drive the first swivel mount 12 around
Two directions rotate, and the axial direction of wherein second direction and piston rod is perpendicular.
Further, in order to the anglec of rotation size of the first swivel mount 12 of convenient control, can quickly and easily by
Bushing is read around the angle test structure that second direction rotates, preferably the connecting rod and the first swivel mount 12 in the first driver element 13
Contact position be provided with first angle disk 14.
With reference to above-mentioned technical proposal, similarly, preferably the second torsion structure includes the second swivel mount 21 and the second driving is single
Member 22, the second swivel mount 21 is U-shaped frame, and the first swivel mount 12 is fixed in the top and bottom of the second swivel mount 21 by rotary shaft
Upper and the second swivel mount 21 open end is to driving structure 8, and the second driver element 22 is connected with the second swivel mount 21 and energy
The second swivel mount 21 is enough driven to be rotated around third direction；Wherein, third direction, second direction, the axial direction of piston rod are vertical two-by-two.
Further, can be quickly and easily in order to the anglec of rotation size of the second swivel mount 21 of convenient control
Bushing is read around the angle test structure that third direction rotates, preferably the connecting rod and the second swivel mount in the second driver element 22
21 contact position is provided with second angle disk 23.
In present embodiment, in order to improve the accuracy of result of the test, between each mechanism for avoiding bushing fatigue tester
Relative position change, preferably bushing fatigue tester also includes bottom plate 9, and the driver element 13 of support frame 11 and first is located at
The upper surface of bottom plate 9, the second driver element 22 are located on the lateral wall of support frame 11.So, the relative position between each mechanism
It is further stable, it ensure that the accuracy of result of the test.
In the rotation process of the above-mentioned swivel mount 21 of first swivel mount 12 and second, driver element can be appointed in this area
Anticipate a kind of structure of powered rotatable, but from the point of view of cost-effective and convenient maintenance is changed, the preferably first driving is single
The driver element 22 of member 13 and second is motor.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of bushing fatigue tester, it is characterised in that the bushing fatigue tester includes driving structure (8), the first torsion
Rotation structure and the second torsion structure, the driving structure (8) are connected with bushing and by drive shaft in a first direction to institute
State bushing to be stretched or extruded, first torsion structure is connected with bushing and drives the bushing to carry out around second direction
Rotate, second twist mechanism is connected with bushing and drives the bushing to be rotated around third direction；Wherein, described
One direction, second direction and third direction are orthogonal two-by-two.
2. bushing fatigue tester according to claim 1, it is characterised in that the driving structure (8) includes support
(81) and cylinder or hydraulic pump on the support (81), the cylinder or hydraulic pump can pass through piston rod and the lining
Set is connected.
3. bushing fatigue tester according to claim 2, it is characterised in that the end set of the piston rod has clamping
Frock (82) is connected with the bushing, and the clamping tooling (82) is U-frame, and peace is provided with the two side of the U-frame
Hole is filled, the rotating shaft of the bushing is installed in the mounting hole so that the main body of the bushing is between the two side.
4. bushing fatigue tester according to claim 3, it is characterised in that the bushing and the cylinder or hydraulic pump
Between be provided with leading truck (83), the piston rod is connected through the leading truck (83) with the bushing.
5. the bushing fatigue tester described in any one in claim 2-4, it is characterised in that described first reverses
Structure includes support frame (11), the first swivel mount (12) and the first driver element (13) being vertically arranged, first swivel mount
(12) it is fixed on by rotary shaft on support frame as described above (11), the bushing is connected on first swivel mount (12), described
First driver element (13) is connected with first swivel mount (12) and can drive first swivel mount (12) around described
Second direction rotates, wherein the second direction and the axial direction of the piston rod are perpendicular.
6. bushing fatigue tester according to claim 5, it is characterised in that the connecting rod of first driver element (13)
The contact position of first swivel mount (12) is provided with first angle disk (14).
7. bushing fatigue tester according to claim 5, it is characterised in that second torsion structure includes the second rotation
Pivoted frame (21) and the second driver element (22), second swivel mount (21) are U-shaped frame, the top of second swivel mount (21)
It is fixed on bottom by rotary shaft on first swivel mount (12) and the open end of second swivel mount (21) is to institute
State driving structure (8), second driver element (22) is connected with second swivel mount (21) and can drive described
Two swivel mounts (21) rotate around the third direction；Wherein, the axial direction two of the third direction, the second direction, piston rod
Two is vertical.
8. bushing fatigue tester according to claim 7, it is characterised in that the connecting rod of second driver element (22)
The contact position of second swivel mount (21) is provided with second angle disk (23).
9. the bushing fatigue tester according to claim 7 or 8, it is characterised in that the bushing fatigue tester also wraps
Bottom plate (9) is included, support frame as described above (11) and the first driver element (13) are located at the upper surface of the bottom plate (9), and described second drives
Moving cell (22) is located on the lateral wall of support frame as described above (11).
10. the bushing fatigue tester described in any one in claim 7 or 8, it is characterised in that described first drives
Moving cell (13) and the second driver element (22) are motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510103156.7A CN104729844B (en) | 2015-03-09 | 2015-03-09 | Bushing fatigue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510103156.7A CN104729844B (en) | 2015-03-09 | 2015-03-09 | Bushing fatigue tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104729844A CN104729844A (en) | 2015-06-24 |
| CN104729844B true CN104729844B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510103156.7A Active CN104729844B (en) | 2015-03-09 | 2015-03-09 | Bushing fatigue tester |
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| Country | Link |
|---|---|
| CN (1) | CN104729844B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104964888B (en) * | 2015-06-29 | 2017-09-26 | 柳州日高汽车减振技术有限责任公司 | A kind of experimental provision of achievable Plumb load bushing fatigue |
| CN104964876B (en) * | 2015-06-29 | 2018-08-24 | 柳州日高汽车减振技术有限责任公司 | A kind of experimental provision of achievable Plumb load bushing rigidity |
| CN107202682B (en) * | 2016-03-18 | 2019-03-29 | 广州汽车集团股份有限公司 | Six degree of freedom load test rack |
| CN105675290B (en) * | 2016-04-22 | 2018-06-29 | 芜湖禾田汽车工业有限公司 | For the detecting tool of automobile control arm ball pin fatigue test |
| 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 |
| CN107179187B (en) * | 2017-07-07 | 2020-01-07 | 北京汽车研究总院有限公司 | Durability test bench of automobile-used bush |
| CN107741323B (en) * | 2017-12-01 | 2024-06-04 | 上海精智实业股份有限公司 | Elastic bushing fatigue testing machine |
| CN109932172B (en) * | 2019-04-25 | 2020-08-07 | 福建田中机械科技股份有限公司 | Dynamic endurance test device for automobile bushing |
| CN113639974A (en) * | 2020-04-23 | 2021-11-12 | 徐州徐工液压件有限公司 | Test device for hydraulic cylinder bush |
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| RO101768A2 (en) * | 1988-12-23 | 1991-11-25 | Institutul Politehnic "Gh. Asachi" Iasi, Ro | Tiring testing stand |
| KR20030009901A (en) * | 2001-07-24 | 2003-02-05 | 한국항공우주산업 주식회사 | Disk spring assembly and test fixture |
| CN200982933Y (en) * | 2006-11-08 | 2007-11-28 | 株洲时代新材料科技股份有限公司 | Fixture for rubber ball hinge three-direction load fatigue test |
| CN101482447A (en) * | 2008-12-31 | 2009-07-15 | 奇瑞汽车股份有限公司 | Rubber bushing torsion test apparatus |
| CN201732026U (en) * | 2010-08-13 | 2011-02-02 | 建新赵氏集团有限公司 | Three-channel fatigue testing device |
| CN202351024U (en) * | 2011-10-16 | 2012-07-25 | 浙江吉利汽车研究院有限公司 | Radial durability test device for lining |
| CN202548010U (en) * | 2012-03-28 | 2012-11-21 | 柳州日高橡胶制品有限责任公司 | Test fixture for rubber metal lining |
| CN202710299U (en) * | 2012-06-29 | 2013-01-30 | 宁波拓普集团股份有限公司 | Three-directional duration testing device of automobile lining |
| CN204008124U (en) * | 2014-08-26 | 2014-12-10 | 建新赵氏集团有限公司 | A kind of lining triple channel brake fatigue test rack |
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2015
- 2015-03-09 CN CN201510103156.7A patent/CN104729844B/en active Active
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| CN104729844A (en) | 2015-06-24 |
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