CN105092232B - A kind of air spring flexural fatigue checking machine - Google Patents
A kind of air spring flexural fatigue checking machine Download PDFInfo
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- CN105092232B CN105092232B CN201510569321.8A CN201510569321A CN105092232B CN 105092232 B CN105092232 B CN 105092232B CN 201510569321 A CN201510569321 A CN 201510569321A CN 105092232 B CN105092232 B CN 105092232B
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- air spring
- shaft
- rack
- flexural fatigue
- turntable
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Abstract
The invention discloses a kind of air spring flexural fatigue checking machine, feature is to include shaft and the rack for fixing air spring, an at least connecting rod axially in parallel with air spring is fixedly installed in rack, shaft axis is connected in connecting rod, shaft is fixedly connected and perpendicular with the axial direction of air spring with the central point of air spring end, shaft swinging drive mechanism is connected with shaft, to drive air spring to produce bending；Advantage is can to realize to examine the flexural fatigue of air spring by the device, and simple in structure, and easy to use, cost is low；Further, since being provided with adjusting mechanism of swing angle between rocking bar and turntable, the amplitude of fluctuation of swing rod is can adjust, meets the differently curved degree requirement to air spring；Again due to being provided with distance adjusting mechanism between shaft and rack, the flexural fatigue inspection to different length air spring can be realized by varying the distance between shaft and air spring mounting surface.
Description
Technical field
The present invention relates to the detection device of air spring, more particularly to a kind of air spring fatigue bending machine.
Background technology
Rubber air spring due to preferable damping performance, be widely used in automobile, aviation, medical instrument,
The fields such as furniture, machine-building.Need to carry out a series of inspection in the process of rubber air spring, after the assay was approved side
It can dispatch from the factory, the inspection of fatigue to air spring is contained in all checkout procedures.At present, to the inspection of fatigue master of air spring
There are two kinds, a kind of is axial compression stretching inspection of fatigue, and another kind is radially to rock inspection of fatigue.And when air spring needs
When carrying out flexural fatigue inspection, there is presently no special equipment to test it, and at present also substantially not to air
Spring carries out flexural fatigue inspection.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of air that flexural fatigue inspection can be carried out to air spring
Spring bending inspection of fatigue machine.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of air spring flexural fatigue checking machine,
Including shaft and for fixing the rack of air spring, be fixedly installed in the rack at least one it is axial with air spring
Parallel connecting rod, the shaft axis are connected in the connecting rod, the shaft and the central point of air spring end
It is fixedly connected and perpendicular with the axial direction of air spring, shaft swinging drive mechanism is connected with the shaft, drives sky
Gas spring produces bending.
The shaft swinging drive mechanism includes driving motor, turntable, rocking bar and swing rod, the turntable with it is described
The drive shaft of driving motor is fixedly and coaxially connected, one end of the rocking bar and eccentric hinged, the described rocking bar of the turntable
One end of the other end and the swing rod be hinged, the other end of the swing rod is fixedly connected with the shaft, described
Swing rod and the shaft it is perpendicular, and when the shaft is not waved, the swing rod is axial with air spring
It is parallel.
Adjusting mechanism of swing angle is provided between the rocking bar and the turntable.
The adjusting mechanism of swing angle includes the regulating tank being arranged on the turntable, one end of the rocking bar
Adjustment axis is connected with, the adjustment axis is fixed through the regulating tank and by screw and the turntable.
The driving motor is variable-frequency motor.
Distance adjusting mechanism is provided between the shaft and the rack.
The distance adjusting mechanism includes the adjusting screw rod being screwed onto in rack, the adjusting screw rod and the company
Extension bar is parallel, and the end of the adjusting screw rod is wholely set the adjustable plate for being useful for that air spring is fixedly mounted, described
Adjusting screw rod is fixed by double nut and the rack.
The distance adjusting mechanism includes polylith and adjusts cushion block, the adjustings cushion block be fixed on the connecting rod and
Between the rack.
With air spring contact portion it is flat in the shaft, when shaft drives air spring to produce bending,
It can prevent air spring from being slid with respect to shaft.
The connecting rod is two, and is located at the both sides of air spring respectively.
Compared with prior art, the flexural fatigue of air spring is examined it is an advantage of the invention that can be realized by the device
Test, and it is simple in structure, and easy to use, cost is low；Further, since swing angle is provided between rocking bar and turntable adjusts machine
Structure, can adjust the amplitude of fluctuation of swing rod, meet the differently curved degree requirement to air spring；Again due between shaft and rack
Distance adjusting mechanism is provided with, can be realized empty to different length by varying the distance between shaft and air spring mounting surface
The flexural fatigue of gas spring is examined.
Brief description of the drawings
Fig. 1 is the front view of the embodiment of the present invention one；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the top view of rack section in Fig. 2；
Fig. 4 is the structure diagram of the embodiment of the present invention two；
Fig. 5 is the structure diagram of the embodiment of the present invention three.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
Embodiment one：As shown in the figure, a kind of air spring flexural fatigue checking machine, including shaft 1 and for fixing air
The rack 3 of spring 2, is fixedly installed two connecting rods 4 axially in parallel with air spring 2 in rack 3, two connecting rods 4 are divided
Not Wei Yu air spring 2 both sides, 1 axis of shaft is connected in connecting rod 4, and shaft 1 and the central point O of 2 end of air spring are fixed
Connection and perpendicular with the axial direction of air spring 2, with 2 contact portion of air spring is flat in shaft 1, is connected in shaft 1
There is shaft swinging drive mechanism, to drive air spring 2 to produce bending, shaft swinging drive mechanism includes driving motor 5, turntable
6th, rocking bar 7 and swing rod 8, turntable 6 is with driving the drive shaft of motor 5 to be fixedly and coaxially connected, one end and 6 Eccentric-hinge of turntable of rocking bar 7
Connect, one end of the other end and swing rod 8 of rocking bar 7 is hinged, and the other end of swing rod 8 is fixedly connected with shaft 1, swing rod 8 and shaft 1
It is perpendicular, and when shaft 1 is not waved, swing rod 8 and air spring 2 are axially in parallel.
Embodiment two：As shown in the figure, a kind of air spring flexural fatigue checking machine, including shaft 1 and for fixing air
The rack 3 of spring 2, is fixedly installed two connecting rods 4 axially in parallel with air spring 2 in rack 3, two connecting rods 4 are divided
Not Wei Yu air spring 2 both sides, 1 axis of shaft is connected in connecting rod 4, and shaft 1 and the central point O of 2 end of air spring are fixed
Connection and perpendicular with the axial direction of air spring 2, with 2 contact portion of air spring is flat in shaft 1, is connected in shaft 1
There is shaft swinging drive mechanism, to drive air spring 2 to produce bending, shaft swinging drive mechanism includes driving motor 5, turntable
6th, rocking bar 7 and swing rod 8, for turntable 6 with driving the drive shaft of motor 5 to be fixedly and coaxially connected, one end of rocking bar 7 and turntable 6 are eccentric even
Connect, and adjusting mechanism of swing angle is provided between rocking bar 7 and turntable 6, adjusting mechanism of swing angle includes being arranged on turntable 6
Regulating tank 61, one end of rocking bar 7 is connected with adjustment axis 71, and adjustment axis 71 is through regulating tank 61 and passes through screw（Do not shown in figure
Show）To be fixed with turntable 6, one end of the other end and swing rod 8 of rocking bar 7 is hinged, and the other end of swing rod 8 is fixedly connected with shaft 1,
Swing rod 8 and shaft 1 are perpendicular, and when shaft 1 is not waved, swing rod 8 and air spring 2 are axially in parallel.
Embodiment three：As shown in the figure, a kind of air spring flexural fatigue checking machine, including shaft 1 and rack 3, in rack 3
Two connecting rods 4 axially in parallel with air spring 2 are fixedly installed, two connecting rods 4 are located at the two of air spring 2 respectively
Side, 1 axis of shaft are connected in connecting rod 4, shaft 1 be fixedly connected with the central point O of 2 end of air spring and with air spring 2
It is axial perpendicular, with 2 contact portion of air spring it is flat in shaft 1, adjusting screw rod 9, adjusting screw rod is bolted with rack 3
9 is parallel with connecting rod 4, and the end of adjusting screw rod 9 is wholely set the adjustable plate 91 for being useful for that air spring 2 is fixedly mounted, and adjusts
Section screw rod 9 is fixed by double nut 92 and rack 3, shaft swinging drive mechanism is connected with shaft 1, to drive air spring 2
Bending is produced, shaft swinging drive mechanism includes driving motor 5, turntable 6, rocking bar 7 and swing rod 8, turntable 6 and driving motor 5
Drive shaft is fixedly and coaxially connected, and one end of rocking bar 7 is eccentric hinged with turntable 6, and the other end of rocking bar 7 is mutually cut with scissors with one end of swing rod 8
Connecing, the other end of swing rod 8 is fixedly connected with shaft 1, and swing rod 8 and shaft 1 are perpendicular, and when shaft 1 is not waved, swing rod
8 is axially in parallel with air spring 2.
Example IV：A kind of air spring flexural fatigue checking machine, including shaft 1 and rack 3, are fixedly installed in rack 3
There are two connecting rods 4 axially in parallel with air spring 2, two connecting rods 4 are located at the both sides of air spring 2,1 axis of shaft respectively
It is connected in connecting rod 4, shaft 1 is fixedly connected and perpendicular with the axial direction of air spring 2 with the central point O of 2 end of air spring,
With 2 contact portion of air spring it is flat in shaft 1, adjusting screw rod 9, adjusting screw rod 9 and connecting rod 4 is bolted with rack 3
Parallel, the end of adjusting screw rod 9 is wholely set the adjustable plate 91 for being useful for that air spring 2 is fixedly mounted, and adjusting screw rod 9 passes through
Double nut 92 is fixed with rack 3, and shaft swinging drive mechanism is connected with shaft 1, to drive air spring 2 to produce bending, is turned
Axis swinging drive mechanism includes driving motor 5, turntable 6, rocking bar 7 and swing rod 8, and turntable 6 and the drive shaft of driving motor 5 are coaxially solid
Fixed connection, one end of rocking bar 7 is connected with the bias of turntable 6, and is provided with adjusting mechanism of swing angle between rocking bar 7 and turntable 6, is shaken
Swinging adjusting mechanism includes the regulating tank 61 being arranged on turntable 6, and one end of rocking bar 7 is connected with adjustment axis 71, adjustment axis 71
Through regulating tank 61 and pass through screw（Do not shown in figure）Fixed with turntable 6, the other end of rocking bar 7 is mutually cut with scissors with one end of swing rod 8
Connecing, the other end of swing rod 8 is fixedly connected with shaft 1, and swing rod 8 and shaft 1 are perpendicular, and when shaft 1 is not waved, swing rod
8 is axially in parallel with air spring 2.
In above-described embodiment, driving motor 5 can be variable-frequency motor or common electric machine, can also be in embodiment three, four
Set between connecting rod 4 and rack 3 and adjust cushion block to adjust the distance between shaft and rack, to realize the sky to different length
The flexural fatigue of gas spring is examined.
Claims (7)
1. a kind of air spring flexural fatigue checking machine, including shaft and the rack for fixing air spring, the rack
On be fixedly installed an at least connecting rod axially in parallel with air spring, it is characterised in that：The shaft axis is connected on institute
In the connecting rod stated, the shaft is fixedly connected with the central point of air spring end and mutually hangs down with the axial of air spring
Directly, shaft swinging drive mechanism is connected with the shaft, to drive air spring to produce bending, the shaft waves drive
Motivation structure, which includes driving motor, turntable, rocking bar and swing rod, the drive shaft of the turntable and the driving motor, coaxially to be fixed
Connection, one end of the rocking bar is eccentric hinged with the turntable, the other end of the rocking bar and the one of the swing rod
End is hinged, and the other end of the swing rod is fixedly connected with the shaft, and the swing rod and the shaft are perpendicular,
And when the shaft is not waved, the swing rod and air spring are axially in parallel；
Distance adjusting mechanism is provided between the shaft and the rack；
The distance adjusting mechanism includes the adjusting screw rod being screwed onto in rack, the adjusting screw rod and the connecting rod
Parallel, the end of the adjusting screw rod is wholely set the adjustable plate for being useful for that air spring is fixedly mounted, the adjusting
Screw rod is fixed by double nut and the rack.
A kind of 2. air spring flexural fatigue checking machine as claimed in claim 1, it is characterised in that the rocking bar with it is described
Turntable between be provided with adjusting mechanism of swing angle.
A kind of 3. air spring flexural fatigue checking machine as claimed in claim 2, it is characterised in that the swing angle tune
Section mechanism includes the regulating tank being arranged on the turntable, and one end of the rocking bar is connected with adjustment axis, the adjusting
Axis is fixed through the regulating tank and by screw and the turntable.
4. a kind of air spring flexural fatigue checking machine as claimed in claim 1, it is characterised in that the driving motor is
Variable-frequency motor.
5. a kind of air spring flexural fatigue checking machine as claimed in claim 1, it is characterised in that the distance adjusts machine
Structure includes polylith and adjusts cushion block, and the adjusting cushion block is fixed between the connecting rod and the rack.
A kind of 6. air spring flexural fatigue checking machine as claimed in claim 1, it is characterised in that in the shaft with sky
Gas spring contact portion is flat.
7. a kind of air spring flexural fatigue checking machine as claimed in claim 1, it is characterised in that the connecting rod is two
Root, and it is located at the both sides of air spring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510569321.8A CN105092232B (en) | 2015-09-09 | 2015-09-09 | A kind of air spring flexural fatigue checking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510569321.8A CN105092232B (en) | 2015-09-09 | 2015-09-09 | A kind of air spring flexural fatigue checking machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105092232A CN105092232A (en) | 2015-11-25 |
| CN105092232B true CN105092232B (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510569321.8A Active CN105092232B (en) | 2015-09-09 | 2015-09-09 | A kind of air spring flexural fatigue checking machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107305154B (en) * | 2016-04-18 | 2020-06-23 | 株洲时代新材料科技股份有限公司 | Torsion and shear combined loading test device for air spring |
| CN106197974A (en) * | 2016-07-01 | 2016-12-07 | 广州溢滔钱潮减震科技股份有限公司 | A kind of air spring fatigue machine simulating real vehicle duty |
| CN107576582A (en) * | 2017-08-09 | 2018-01-12 | 安徽红桥金属制造有限公司 | A kind of inspection equipment for air spring bending compression fatigue |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1428994A1 (en) * | 1987-01-27 | 1988-10-07 | Всесоюзный научно-исследовательский институт горной геомеханики и маркшейдерского дела | Installation for fatigue tests at complex stressed state |
| CN1258675C (en) * | 2004-08-10 | 2006-06-07 | 东华大学 | Measuring device for flexural fatigue property of flexible material |
| CN101196451B (en) * | 2007-12-25 | 2010-06-09 | 沈阳仪表科学研究院 | Flexural oscillation testing machine for metal flexible pipe |
| CN100575903C (en) * | 2008-04-28 | 2009-12-30 | 施与秋 | Gas spring environmental simulated fatigue-testing machine |
| CN102661901B (en) * | 2012-04-20 | 2014-04-30 | 杰锋汽车动力系统股份有限公司 | Fatigue test equipment for flat spiral springs and method for performing fatigue test by aid of fatigue test equipment |
| CN104406871A (en) * | 2014-12-09 | 2015-03-11 | 青岛信森机电技术有限公司 | Vertical air spring fatigue testing machine |
| CN205015151U (en) * | 2015-09-09 | 2016-02-03 | 宁波美亚达汽车部件制造有限公司 | Air spring flexural fatigue checking machine |
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