CN106092552A - Automobile longitudinal composite material plate spring performance testing device - Google Patents
Automobile longitudinal composite material plate spring performance testing device Download PDFInfo
- Publication number
- CN106092552A CN106092552A CN201610655823.7A CN201610655823A CN106092552A CN 106092552 A CN106092552 A CN 106092552A CN 201610655823 A CN201610655823 A CN 201610655823A CN 106092552 A CN106092552 A CN 106092552A
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- leaf spring
- composite material
- material plate
- plate spring
- testing device
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to vehicle component performance test field, particularly relate to a kind of leaf spring performance testing device.A kind of automobile longitudinal composite material plate spring performance testing device, including a substrate；One leaf spring to be tested；It is symmetricly set on the pair of guide rails of substrate top surface both sides；It is arranged on for a pair on guide rail and constitutes the sliding part of moving sets with guide rail, between guide rail with sliding part, being provided with the displacement measuring device matched；The support member supports leaf spring to be tested being arranged on sliding part, the take-off lever of load loading system is connected to the middle part of leaf spring to be tested by clamping plate, and the axis of take-off lever is perpendicular to test benchmark face.The present invention, by measuring the lateral displacement of leaf spring, utilizes chord length correction rigidity of plate spring, can the performance of more comprehensive test compound material leaf spring；Utilize leaf spring deadweight to use a pair simple V-arrangement to prop up bracer and i.e. achieve the location to leaf spring, not only simple in construction, and versatility is good, so that respectively the test to the composite material plate spring of bearing capacity inequality needs.
Description
Technical field
The present invention relates to vehicle component performance test field, particularly relate to a kind of leaf spring performance testing device.
Background technology
Polymer matrix composites have the advantages such as specific strength is high, bigger, corrosion-resistant than elastic energy, material property can design.This
A little characteristics both can meet the automobile sheetsteel spring performance requirement to material, can reach again to alleviate the effect of weight, therefore at automobile
Industry use composite material plate spring have broad application prospects.
But, existing composite material plate spring is processed by lay-up process during fabrication, and this mode determines leaf spring
All directions performance inconsistent, has very big difference with the isotropism of general steel plate spring material, and existing leaf spring is surveyed
Trial work dress is the rigidity being obtained leaf spring by vertical displacement and load mostly, and this test mode is used for evaluation test composite wood
The performance of flitch spring is the most comprehensive.
Through retrieval, find that the technology in terms of composite material plate spring test is mainly had:
A kind of automobile transverse composite material plate spring static rigidity test device and test side is disclosed by CN 102735411 A
Method, wherein said composite material plate spring is horizontal type, and the thickness of leaf spring is for waiting thick structure, and load applying point is at 2 to be executed
Add.
The endurance shock table of a kind of leaf spring is disclosed, mainly to steel plate bullet by CN 105466703 A
Spring carries out endurance impact test.Owing to leaf spring chord change in loading process is little, it is not necessary to the centre-to-centre spacing of leaf spring is entered
Row detection, and composite material plate spring chord change in loading process is big, the change of chord length is to life-span of leaf spring and hanger
Operating angle has large effect.So the endurance shock table of the leaf spring in this patent, lack longitudinal to automobile
Composite material plate spring chord change inspection in loading process.
1, the rigidity of existing leaf spring and fatigue test device are mainly in leaf spring and horizontal composite material plate spring.Pin
Composite material plate spring rigidity longitudinal to automobile and the technical deficiency of testing fatigue frock, it is impossible to the longitudinal composite of effective test
Leaf spring vertical stiffness and fatigue life；
2, the rigidity of existing leaf spring and fatigue test device cannot the changes of accurate drafting board spring hanger centre-to-centre spacing in process of the test
Change value, is not suitable for the needs of comprehensive test compound material rigidity of plate spring；
3, the most poor universality of test fixture, can only measure work one to one for the leaf spring of specific model, increases
The research and development of leaf spring, maintenance, maintenance cost.
Summary of the invention
The technical problem to be solved is to provide a kind of longitudinal composite material plate spring performance testing device, this device
By measuring the lateral displacement of leaf spring, utilize chord length correction rigidity of plate spring, can the property of more comprehensive test compound material leaf spring
Can, not only simple in construction, and versatility is good, so that respectively the test to the composite material plate spring of bearing capacity inequality needs
Want.
The present invention is achieved in that a kind of automobile longitudinal composite material plate spring performance testing device, including:
One substrate, the end face of described substrate is test benchmark face；
One leaf spring to be tested；
It is symmetricly set on the pair of guide rails of substrate top surface both sides；
It is arranged on for a pair on guide rail and constitutes the sliding part of moving sets with guide rail, being provided with between described guide rail and sliding part and match
The displacement measuring device closed；
The support member being arranged on sliding part；
The two ends of described leaf spring to be tested are respectively positioned in a support member, and the take-off lever of load loading system is by clamping plate even
Being connected on the middle part of leaf spring to be tested, the axis of described take-off lever is perpendicular to test benchmark face.
Institute's displacement measurement device includes that pointer and scale, described scale are arranged on substrate side, the axis of scale with lead
Rail is parallel, and described pointer is arranged on sliding part, and pointer points to scale.
The two ends of described sliding part are additionally provided with position-limited rack, and position-limited rack is provided with the kidney-shaped pilot hole with guide rail parallel,
Being provided with the stop screw being fixed on substrate in described kidney-shaped pilot hole, kidney-shaped pilot hole constitutes moving sets with stop screw.
Described position-limited rack is L bracket, and the side of L bracket is fixedly mounted on the end face of sliding part, L bracket
Fit with test benchmark face in bottom surface.
Described support member is that V-arrangement props up bracer, and described leaf spring to be tested is positioned at V by the connecting pin in the grasswort of two ends
Shape is propped up on bracer.
Described sliding part is dolly, and dolly is matched with guide rail by wheel.
Described load loading system is servo-hydraulic driving means.
Automobile of the present invention longitudinal composite material plate spring performance testing device, by measuring the lateral displacement of leaf spring, utilizes chord length
Revise rigidity of plate spring, can the performance of more comprehensive test compound material leaf spring；Leaf spring deadweight is utilized to use a pair simple V-arrangement
Prop up bracer and i.e. achieve the location to leaf spring, not only simple in construction, and versatility is good, so that respectively uneven to bearing capacity
Composite material plate spring test need.
Accompanying drawing explanation
Fig. 1 is the schematic front view of automobile of the present invention longitudinal composite material plate spring performance testing device；
Fig. 2 is the schematic perspective view of automobile of the present invention longitudinal composite material plate spring performance testing device.
In figure: 1 substrate, 2 leaf springs to be tested, 3 guide rails, 4 sliding parts, 5 support members, 6 load loading systems, 7 take-off levers,
8 clamping plate, 9 pointers, 10 scales, 11 position-limited racks, 12 kidney-shaped pilot holes, 13 stop screws, 14 grassworts, 15 connecting pins, 16 controllers.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content of present invention statement, people in the art
The present invention can be made various changes or modifications by member, and these equivalent form of values fall within the application appended claims equally and limited
Scope.
Embodiment 1
As Fig. 1,2, a kind of automobile longitudinal composite material plate spring performance testing device, including substrate 1 and a leaf spring 2 to be tested,
The end face of described substrate 1 is test benchmark face, and the end face lateral symmetry of substrate 1 is provided with pair of guide rails 3, and guide rail 3 is provided with
Pair of sliders 4, described sliding part 4 is fixed with the support member 5 for positioning leaf spring 2 end to be tested, described guide rail 3 with
Constitute moving sets between sliding part 4 and be provided with the displacement measuring device matched, plate can be measured by displacement measuring device
The displacement at spring two ends；
It is connected to leaf spring 2 to be tested by clamping plate 8 for treating the take-off lever 7 of the load loading system 6 that test leaf spring 2 pressurizes
Middle part, the axis of described take-off lever 7 is perpendicular to test benchmark face, by take-off lever 7 treat test leaf spring 2 apply pressure survey
Obtain leaf spring vertical stiffness and testing fatigue；
In the present invention, institute's displacement measurement device includes that pointer 9 and scale 10, described scale 10 are arranged on substrate 1 side, mark
The axis of chi 10 is parallel with guide rail 3, and described pointer 9 is arranged on sliding part 4, and pointer 9 points to scale 10；In order to avoid moving
During sliding part 4 deviate from guide rail 3, the two ends of described sliding part 4 are additionally provided with position-limited rack 11, position-limited rack 11 are provided with and lead
The kidney-shaped pilot hole 12 that rail 3 is parallel, is provided with fixing stop screw 13 on substrate 1, kidney-shaped in described kidney-shaped pilot hole 12
Pilot hole 12 and stop screw 13 constitute moving sets.
In the present embodiment, described position-limited rack 11 is L bracket, and the side of L bracket is fixedly mounted on sliding part 4
On end face, fit with test benchmark face in the bottom surface of L bracket.
It addition, in the present embodiment, in order to improve the versatility of this test device, described support member 5 supports for V-arrangement
Block, described leaf spring 2 to be tested is positioned at V-arrangement by the connecting pin 15 in two ends grasswort 14 and props up on bracer；This supporting way profit
The location leaf spring that can consolidate with the deadweight of leaf spring 2 to be tested, it is not necessary to other locking members, simultaneously as support member 5 is only
Vertical parts, even if this leaf spring end shape size is special, can realize the location of leaf spring by changing corresponding support member 5,
Whole test apparatus main body parts, without variation, substantially increase the versatility of device.
In view of the factor that test device is easy to use, described sliding part 4 is dolly, and the wheel bottom dolly arranges limited
Position flange, dolly is matched with guide rail 3 by the defining flange on wheel and i.e. may make up moving sets, and dolly can also arbitrarily take off
With put on guide rail 3, make cooperation relative to conventional chute, it is more convenient not only to assemble, and also reduces rubbing of being slidably matched
Wiping power, becomes the rolling friction of wheel and track, improves certainty of measurement.
In the present invention, for carrying out leaf spring vertical stiffness test and testing fatigue, described load loading system 6 is servo-fluid
Hydraulic driver, servo-hydraulic driving means is controlled by controller 16, and from being positioned at sensor and pressure transducer.
It should be strongly noted that in order to ensure to test comparability and the accuracy of data；This device, when assembling, presss from both sides
Plate 8 is installed in the clamping force in the middle part of leaf spring 2 to be tested needs fixing quantity, usual clamping plate 8 to be to be installed in leaf spring 2 to be tested for a pair
The upper and lower surface at middle part, a pair clamping plate 8 is clamped by four bolts, needs different clampings for different leaf springs to be tested 2
Moment, this clamping torque is accurately controlled by torque spanner.
The testing procedure of this automobile longitudinal composite material plate spring performance testing device is as follows:
1) by the middle part of longitudinal for automobile composite material plate spring with lower plate clamp, and with specify the urgent bolt of moment, upper folder
Plate is connected with take-off lever, arranges limited block and load contiguous block according to the type of load loading system on take-off lever, and load is even
Connect that block and hydraulic press are fixing to be connected；
2) automobile longitudinal composite material plate spring two ends grasswort installs corresponding connecting pin；
3) guide rail is bolted on the metal basal board with scale, and this guide rail, for the moving of car with pointer, rises and leads
To effect；
4) range of movement that L bracket limits the dolly of pointer is installed；
5) V-type is propped up bracer and is bolted to connection by the dolly of bolt with pointer, little with pointer after assembling
Wooden handcart is placed on the guide rail of metal basal board；
6) determining that automobile longitudinal composite material plate spring two ends grasswort props up the V mouth center of bracer with V-type consistent, take-off lever starts to apply
Load；
When carrying out the test of leaf spring vertical stiffness, the maximum of load is set to the longitudinal composite material plate spring of automobile and is fully loaded with load
2 times；Record leaf spring lateral attitude and corresponding load, obtain transverse load-displacement curve by computer numerical matching, this song
The slope of line is the rigidity value of the longitudinal composite material plate spring of automobile.
When carrying out testing fatigue, the maximum of load is set to the longitudinal composite material plate spring of automobile and is fully loaded with the 1.6 of load
Times, frequency is 1.5Hz, and testing fatigue number of times is 500,000 times；After off-test, the outward appearance of viewing test part has without exception, Yi Jili
With servo-hydraulic driving means carry be positioned at sensor and pressure transducer leaf spring obtains vertical displacement-curve of load, viewing
This curve has unchanged, determines leaf spring fatigue strength.
Claims (7)
1. an automobile longitudinal composite material plate spring performance testing device, is characterized in that, including:
One substrate (1), the end face of described substrate (1) is test benchmark face；
One leaf spring to be tested (2)；
It is symmetricly set on the pair of guide rails (3) of substrate (1) end face both sides；
It is arranged on guide rail (3) for a pair and above and constitutes the sliding part (4) of moving sets, described guide rail (3) and sliding part with guide rail (3)
(4) displacement measuring device matched it is provided with between；
The support member (5) being arranged on sliding part (4)；
The two ends of described leaf spring to be tested (2) are respectively positioned in a support member (5), the take-off lever of load loading system (6)
(7) be connected to the middle part of leaf spring to be tested (2) by clamping plate (8), the axis of described take-off lever (7) is perpendicular to test benchmark
Face.
2. automobile longitudinal composite material plate spring performance testing device as claimed in claim 1, is characterized in that: institute's displacement measurement
Device includes pointer (9) and scale (10), and described scale (10) is arranged on substrate (1) side, the axis of scale (10) and guide rail
(3) parallel, described pointer (9) is arranged on sliding part (4), and pointer (9) points to scale (10).
3. automobile longitudinal composite material plate spring performance testing device as claimed in claim 1 or 2, is characterized in that: described slip
The two ends of part (4) are additionally provided with position-limited rack (11), and position-limited rack (11) is provided with the kidney-shaped pilot hole parallel with guide rail (3)
(12), in described kidney-shaped pilot hole (12), be provided with the stop screw (13) being fixed on substrate (1), kidney-shaped pilot hole (12) with
Stop screw (13) constitutes moving sets.
4. automobile longitudinal composite material plate spring performance testing device as claimed in claim 3, is characterized in that: described position-limited rack
(11) being L bracket, the side of L bracket is fixedly mounted on the end face of sliding part (4), the bottom surface of L bracket and test base
Fit in quasi-face.
5. automobile longitudinal composite material plate spring performance testing device as claimed in claim 1 or 2, is characterized in that: described props up
Support part part (5) is that V-arrangement props up bracer, and described leaf spring to be tested (2) is positioned at V-arrangement by the connecting pin (15) in two ends grasswort (14)
Prop up on bracer.
6. automobile longitudinal composite material plate spring performance testing device as claimed in claim 1 or 2, is characterized in that: described slip
Part (4) is dolly, and dolly is matched with guide rail (3) by wheel.
7. automobile longitudinal composite material plate spring performance testing device as claimed in claim 1 or 2, is characterized in that: described load
Loading system (6) is servo-hydraulic driving means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655823.7A CN106092552B (en) | 2016-08-11 | 2016-08-11 | The longitudinal composite material plate spring performance testing device of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655823.7A CN106092552B (en) | 2016-08-11 | 2016-08-11 | The longitudinal composite material plate spring performance testing device of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106092552A true CN106092552A (en) | 2016-11-09 |
| CN106092552B CN106092552B (en) | 2018-12-07 |
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ID=57456773
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610655823.7A Active CN106092552B (en) | 2016-08-11 | 2016-08-11 | The longitudinal composite material plate spring performance testing device of automobile |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556499A (en) * | 2016-11-18 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of leaf spring device for testing stiffness |
| CN107356426A (en) * | 2017-09-18 | 2017-11-17 | 株洲时代新材料科技股份有限公司 | Longitudinal flat spring hangs down lateral fatigue test device and method |
| CN107588935A (en) * | 2017-08-22 | 2018-01-16 | 重庆红旗弹簧有限公司 | A kind of leaf spring fatigue test system |
| CN107655666A (en) * | 2017-09-18 | 2018-02-02 | 株洲时代新材料科技股份有限公司 | Longitudinal flat spring hangs down longitudinal fatigue test device and method |
| CN107764532A (en) * | 2017-10-09 | 2018-03-06 | 南京工程学院 | A kind of automobile-used leaf spring test device of light duty |
| CN108180857A (en) * | 2018-01-31 | 2018-06-19 | 天津英创汇智汽车技术有限公司 | Leaf spring characteristic measuring device and measuring method |
| CN109238674A (en) * | 2018-09-11 | 2019-01-18 | 江苏擎弓科技股份有限公司 | Composite material automobile leaf spring quality inspection technique quality detection apparatus |
| CN110220802A (en) * | 2019-06-12 | 2019-09-10 | 奇瑞汽车股份有限公司 | A kind of automobile side crash key components and parts beam test device and test method |
| CN110296820A (en) * | 2019-06-03 | 2019-10-01 | 中国纺织科学研究院有限公司 | A kind of longitudinal composite material plate spring performance testing device and test method |
| CN112014091A (en) * | 2020-08-31 | 2020-12-01 | 安徽江淮汽车集团股份有限公司 | Plate spring testing device and track and rigidity testing method |
| CN113176100A (en) * | 2021-05-25 | 2021-07-27 | 东风商用车有限公司 | Bench test device of heavy-duty tractor Z type guide arm |
| CN114046948A (en) * | 2021-10-18 | 2022-02-15 | 东风汽车底盘系统有限公司 | Device and method for testing dynamic stiffness of steel plate spring |
| CN114046947A (en) * | 2021-09-26 | 2022-02-15 | 东风汽车底盘系统有限公司 | Composite plate spring dual-channel rack device and test method |
| CN116519239A (en) * | 2023-07-04 | 2023-08-01 | 山东丰源汽车科技有限公司 | Elasticity detection equipment for automobile bearing plate spring |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556499A (en) * | 2016-11-18 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of leaf spring device for testing stiffness |
| CN106556499B (en) * | 2016-11-18 | 2019-02-19 | 安徽江淮汽车集团股份有限公司 | A kind of leaf spring device for testing stiffness |
| CN107588935A (en) * | 2017-08-22 | 2018-01-16 | 重庆红旗弹簧有限公司 | A kind of leaf spring fatigue test system |
| CN107588935B (en) * | 2017-08-22 | 2020-04-03 | 重庆红旗弹簧有限公司 | Leaf spring fatigue test system |
| CN107655666B (en) * | 2017-09-18 | 2020-01-31 | 株洲时代新材料科技股份有限公司 | Vertical fatigue experiment device and method for longitudinally-arranged plate spring |
| CN107356426A (en) * | 2017-09-18 | 2017-11-17 | 株洲时代新材料科技股份有限公司 | Longitudinal flat spring hangs down lateral fatigue test device and method |
| CN107655666A (en) * | 2017-09-18 | 2018-02-02 | 株洲时代新材料科技股份有限公司 | Longitudinal flat spring hangs down longitudinal fatigue test device and method |
| CN107764532A (en) * | 2017-10-09 | 2018-03-06 | 南京工程学院 | A kind of automobile-used leaf spring test device of light duty |
| CN108180857A (en) * | 2018-01-31 | 2018-06-19 | 天津英创汇智汽车技术有限公司 | Leaf spring characteristic measuring device and measuring method |
| CN109238674A (en) * | 2018-09-11 | 2019-01-18 | 江苏擎弓科技股份有限公司 | Composite material automobile leaf spring quality inspection technique quality detection apparatus |
| CN110296820A (en) * | 2019-06-03 | 2019-10-01 | 中国纺织科学研究院有限公司 | A kind of longitudinal composite material plate spring performance testing device and test method |
| CN110220802A (en) * | 2019-06-12 | 2019-09-10 | 奇瑞汽车股份有限公司 | A kind of automobile side crash key components and parts beam test device and test method |
| CN112014091A (en) * | 2020-08-31 | 2020-12-01 | 安徽江淮汽车集团股份有限公司 | Plate spring testing device and track and rigidity testing method |
| CN112014091B (en) * | 2020-08-31 | 2021-08-27 | 安徽江淮汽车集团股份有限公司 | Plate spring testing device and track and rigidity testing method |
| CN113176100A (en) * | 2021-05-25 | 2021-07-27 | 东风商用车有限公司 | Bench test device of heavy-duty tractor Z type guide arm |
| CN114046947A (en) * | 2021-09-26 | 2022-02-15 | 东风汽车底盘系统有限公司 | Composite plate spring dual-channel rack device and test method |
| CN114046948A (en) * | 2021-10-18 | 2022-02-15 | 东风汽车底盘系统有限公司 | Device and method for testing dynamic stiffness of steel plate spring |
| CN114046948B (en) * | 2021-10-18 | 2024-01-05 | 东风汽车底盘系统有限公司 | Dynamic stiffness test device and method for leaf spring |
| CN116519239A (en) * | 2023-07-04 | 2023-08-01 | 山东丰源汽车科技有限公司 | Elasticity detection equipment for automobile bearing plate spring |
| CN116519239B (en) * | 2023-07-04 | 2023-09-01 | 山东丰源汽车科技有限公司 | Elasticity detection equipment for automobile bearing plate spring |
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