CN104515675A - Hinged connecting bar mechanism for dynamic test of laminated springs - Google Patents
Hinged connecting bar mechanism for dynamic test of laminated springs Download PDFInfo
- Publication number
- CN104515675A CN104515675A CN201410762486.2A CN201410762486A CN104515675A CN 104515675 A CN104515675 A CN 104515675A CN 201410762486 A CN201410762486 A CN 201410762486A CN 104515675 A CN104515675 A CN 104515675A
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- hinged
- bar
- laminated spring
- frame
- crank
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 210000000078 claw Anatomy 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a hinged connecting bar mechanism for dynamic test of laminated springs. The hinged connecting rod mechanism comprises a base and a frame arranged on the base, a vertical fixed guide rail, a rack, a hinged four-bar mechanism and a crank are arranged on the frame, the crank is hinged to the frame, the hinged four-bar mechanism comprises a first connecting bar, a second connecting bar, a rocking bar and a third connecting bar which are hinged in sequence, the first connecting bar is hinged to the crank, the third connecting bar is hinged to the frame, a first oscillating bar arranged vertically is hinged to the rocking arm, a horizontal cross bar is hinged to the first oscillating bar, a second oscillating bar is hinged to one end of the cross car and hinged to the frame, a slider is hinged to the other end of the cross bar, and the slider is slidably connected in the vertical fixed guide rail. The hinged connecting bar mechanism is simple in structure, convenient to operate and high in test efficiency.
Description
Technical field
The present invention relates to spring elongation testing machine technical field, particularly relate to a kind of hinge linkage for laminated spring dynamic test.
Background technology
Laminated spring is used for van and truck, and the spring leaf different by some length is formed by stacking, and its structure is simple, cost is low, has the effect of director element and damping element concurrently, and therefore, leaf spring is most widely used flexible member in automotive suspension element.The sheet number of steel plate is relevant with effectiveness in vibration suppression to the quality of bearing automobile, spring leaf is more many more thick shorter, leaf spring rigidity is larger, this year, along with increasing year by year of auto output, the output of laminated spring is also increasing, laminated spring in process of production, need to test its performance, such as to the dynamic measurement of the resistance to compression and pitch amplitude performance etc. of laminated spring, lead to produce to the dynamic measurement of laminated spring resistance to compression amplitude and complete on testing machine, but existing pressure testing machine complicated integral structure, equipment price is expensive, the cost of test is high, and pressure testing machine is owing to lacking suitable transmission test mechanism, cause pressure testing machine self structure complicated, complex operation, and the efficiency of the dynamic measurement of its resistance to compression amplitude is not high.
Summary of the invention
The object of the present invention is to provide the hinge linkage for laminated spring dynamic test that a kind of structure is simple, easy to operate and test efficiency is high.
To achieve these goals, the invention provides following technical scheme: for the hinge linkage of laminated spring dynamic test, comprise base and be located at the frame on base, described frame is provided with vertical fixed guide, stand, four-bar linkage and crank, described crank is hinged in frame, described four-bar linkage comprises first connecting rod hinged successively, second connecting rod, rocking bar and third connecting rod, described first connecting rod and crank hinged, described third connecting rod is hinged in frame, described rocking bar is hinged with the first fork vertically arranged, described first fork is hinged with the cross bar of level, one end of described cross bar is hinged with the second fork, and the second fork is hinged in frame, the other end of cross bar is hinged with slide block, described skid is connected in vertical fixed guide, described slide block is connected with the compressed part compressing laminated spring, described stand is provided with the support claw at fixing laminated spring two ends, described support claw is connected with dynamometer respectively with compressed part.
The principle of this programme is such: due to frame being hinged with crank, when crank rotates around hinge, the first connecting rod be hinged on crank drives four-bar linkage to produce interlock, rocking bar swings, and drive the first fork to rotate, first fork, cross bar and the second fork form linkage assembly, under the drive of the first fork, cross bar rotates counterclockwise, and drive the slide block be hinged on cross bar to produce motion, because skid is connected in vertical fixed guide, slide block is moved downward along upright guide rail, and drive compressed part to move down, until compressed part is pressed on laminated spring, the two ends of laminated spring are fixed by the support claw on stand, laminated spring is made to be subject to dynamic load, because support claw is connected with dynamometer respectively with compressed part, thus the dynamic load on laminated spring is shown on dynamometer.
The invention has the advantages that: the hinge linkage of this laminated spring dynamic test, be used on the testing machine to the dynamic measurement of laminated spring, structure is simple, test easy to operate, greatly can improve the test efficiency of laminated spring.
Preferably, the compressed part of described compression laminated spring is provided with pressure head, and described pressure head, to the middle part being located at laminated spring, is pressed on the middle part of laminated spring by pressure head, makes laminated spring energy stress equalization on pressure head.
Preferably, described slide block is connected with the first screw rod for regulating initial load, can be regulated by screw rod to the position of the pressure head of compressed part on laminated spring, makes pressure head be pressed on laminated spring in advance.
Preferably, described four-bar linkage is connected with the second screw rod, the amplitude of the second screw rod for regulating laminated spring to vibrate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the hinge linkage embodiment of laminated spring dynamic test.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: base 1, frame 2, fixed guide 3, stand 4, crank 5, first connecting rod 6, rocking bar 7, the first fork 8, cross bar 9, slide block 10, laminated spring 11, compressed part 12, pressure head 13, the first screw rod 14, second screw rod 15, support claw 16, dynamometer 17.
As shown in Figure 1, for the hinge linkage of laminated spring dynamic test, the frame 2 comprising base 1 and be located on base 1, frame 2 is provided with vertical fixed guide 3, stand 4, four-bar linkage and crank 5, crank 5 is hinged in frame 2, four-bar linkage comprises first connecting rod 6 hinged successively, second connecting rod, rocking bar 7 and third connecting rod, first connecting rod 6 is hinged with crank 5, third connecting rod is hinged in frame 2, rocking bar 7 is hinged with the first fork 8 vertically arranged, first fork 8 is hinged with the cross bar 9 of level, one end of cross bar 9 is hinged with the second fork, and the second fork is hinged in frame 2, the other end of cross bar 9 is hinged with slide block 10, slide block 10 is slidably connected in vertical fixed guide 3, slide block 10 is connected with the compressed part 12 compressing laminated spring 11, compressed part 12 is provided with pressure head 13, pressure head 13 is to the middle part being located at laminated spring 11, slide block 10 is connected with the first screw rod 14 for regulating initial load, four-bar linkage is connected with the second screw rod 15, stand 4 is provided with the support claw 16 at fixing laminated spring 11 two ends, support claw 16 is connected with dynamometer 17 respectively with compressed part 12.
In the present embodiment, due to frame 2 being hinged with crank 5, when crank 5 rotates around hinge, the first connecting rod 6 be hinged on crank 5 drives four-bar linkage to produce interlock, rocking bar 7 swings, and drive the first fork 8 to rotate, first fork 8, cross bar 9 and the second fork form linkage assembly, under the drive of the first fork 8, cross bar 9 rotates counterclockwise, and drive the slide block 10 be hinged on cross bar 9 to produce motion, because slide block 10 is slidably connected in vertical fixed guide 3, slide block 10 is moved downward along vertical fixed guide 3, and drive compressed part 12 to move down, until compressed part 12 is pressed on laminated spring 11, the two ends of laminated spring 11 are fixed by the support claw 16 on stand 4, laminated spring 11 is made to be subject to dynamic load, because support claw 16 is connected with dynamometer 17 respectively with compressed part 12, thus the dynamic load on laminated spring 11 is shown on dynamometer 17.
The compressed part 12 compressing laminated spring 11 is provided with pressure head 13, pressure head 13 is to the middle part being located at laminated spring 11, the middle part of laminated spring 11 is pressed on by pressure head 13, make laminated spring 11 energy stress equalization on pressure head 13, slide block 10 is connected with the first screw rod 14 for regulating initial load, can be regulated the position of the pressure head 13 of compressed part 12 on laminated spring 11 by screw rod, pressure head 13 can be pressed on laminated spring 11 in advance, four-bar linkage is connected with the amplitude that the second screw rod 15, second screw rod 15 vibrates for regulating laminated spring 11.The hinge linkage of this laminated spring dynamic test, is used on the testing machine to the dynamic measurement of laminated spring 11, and structure is simple, it is easy to operate to test, and greatly can improve the test efficiency of laminated spring 11.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (4)
1. for the hinge linkage of laminated spring dynamic test, comprise base and be located at the frame on base, it is characterized in that, described frame is provided with vertical fixed guide, stand, four-bar linkage and crank, described crank is hinged in frame, described four-bar linkage comprises first connecting rod hinged successively, second connecting rod, rocking bar and third connecting rod, described first connecting rod and crank hinged, described third connecting rod is hinged in frame, described rocking bar is hinged with the first fork vertically arranged, described first fork is hinged with the cross bar of level, one end of described cross bar is hinged with the second fork, and the second fork is hinged in frame, the other end of cross bar is hinged with slide block, described skid is connected in vertical fixed guide, described slide block is connected with the compressed part compressing laminated spring, described stand is provided with the support claw at fixing laminated spring two ends, described support claw is connected with dynamometer respectively with compressed part.
2., as claimed in claim 1 for the hinge linkage of laminated spring dynamic test, it is characterized in that, the compressed part of described compression laminated spring is provided with pressure head, and described pressure head is to the middle part being located at laminated spring.
3., as claimed in claim 1 for the hinge linkage of laminated spring dynamic test, it is characterized in that, described slide block is connected with the first screw rod for regulating initial load.
4., as claimed in claim 2 for the hinge linkage of laminated spring dynamic test, it is characterized in that, described four-bar linkage is connected with the second screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410762486.2A CN104515675A (en) | 2014-12-11 | 2014-12-11 | Hinged connecting bar mechanism for dynamic test of laminated springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410762486.2A CN104515675A (en) | 2014-12-11 | 2014-12-11 | Hinged connecting bar mechanism for dynamic test of laminated springs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104515675A true CN104515675A (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410762486.2A Pending CN104515675A (en) | 2014-12-11 | 2014-12-11 | Hinged connecting bar mechanism for dynamic test of laminated springs |
Country Status (1)
| Country | Link |
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| CN (1) | CN104515675A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319056A (en) * | 2015-10-27 | 2016-02-10 | 兰州飞行控制有限责任公司 | Electromagnetic brake loading device |
| CN107356415A (en) * | 2016-05-10 | 2017-11-17 | 上海久力弹簧制造有限公司 | A kind of multi-functional fatigue machine |
| CN110160766A (en) * | 2019-06-10 | 2019-08-23 | 华东交通大学 | A kind of adjustable flat spring fatigue experimental device |
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| CN101837646A (en) * | 2009-03-14 | 2010-09-22 | 谢云胜 | Non-dead-point and non-momentum stepless adjustable pressing machine |
| CN101722664A (en) * | 2009-11-06 | 2010-06-09 | 华中科技大学 | Diagonally driven connecting rod pressure drive mechanism |
| CN201667147U (en) * | 2009-12-24 | 2010-12-08 | 天津渤海职业技术学院 | Experimental apparatus for quick lap joint of four-bar mechanisms |
| CN102353594A (en) * | 2011-06-28 | 2012-02-15 | 常州大学 | Transverse toughness detector for PET (polyethylene terephthalate) plastic steel band |
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| CN107356415A (en) * | 2016-05-10 | 2017-11-17 | 上海久力弹簧制造有限公司 | A kind of multi-functional fatigue machine |
| CN110160766A (en) * | 2019-06-10 | 2019-08-23 | 华东交通大学 | A kind of adjustable flat spring fatigue experimental device |
| CN110160766B (en) * | 2019-06-10 | 2024-03-05 | 华东交通大学 | Adjustable plate spring fatigue test device |
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Application publication date: 20150415 |