CN107014601A - Automotive suspension screw spring durability test device - Google Patents
Automotive suspension screw spring durability test device Download PDFInfo
- Publication number
- CN107014601A CN107014601A CN201710390910.9A CN201710390910A CN107014601A CN 107014601 A CN107014601 A CN 107014601A CN 201710390910 A CN201710390910 A CN 201710390910A CN 107014601 A CN107014601 A CN 107014601A
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- helical spring
- travel
- test device
- durability test
- automotive suspension
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 239000000725 suspension Substances 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 10
- 238000004146 energy storage Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vehicle Body Suspensions (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
It is an object of the invention to provide a kind of automotive suspension screw spring durability test device, the test period can be shortened, improve test efficiency and cost is low, including the fixed support being connected with helical spring A one end and the travel(l)ing rest being connected with the helical spring A other ends, travel(l)ing rest is connected with drive mechanism, at least 2 groups travel(l)ing rests and helical spring A are connected with drive mechanism so that remaining helical spring A does compression motion while part helix spring A does extensional motion.In such scheme, because helical spring possesses energy storage effect, the principle of law of conservation of energy and active force and reaction force has dexterously been used, once experiment can complete multiple helical spring experiments simultaneously, so test efficiency almost realizes double effect, the test period is shortened, cost is reduced.
Description
Technical field
The present invention relates to automobile product technical field of measurement and test, and in particular to a kind of automotive suspension screw spring endurancing
Device.
Background technology
Helical spring is connected to vehicle body and wheel steering section, relaxed to vehicle body as the part in automotive suspension
Impact, traveller assembly plays extremely important effect to the comfortableness and maneuverability of driving, can guarantee that the driving body of user well
Test, strengthen the brand of automobile.If helical spring fails, vehicle's center of gravity can be caused to offset, Vehicle handling reduction, while comfortably
Property decline.Therefore helical spring endurance quality is an important Testing index in Design and manufacturing process.
The content of the invention
It is an object of the invention to provide a kind of automotive suspension screw spring durability test device, experiment week can be shortened
Phase, improve test efficiency and cost is low.
To achieve these goals, the technical solution adopted by the present invention is：A kind of automotive suspension screw spring durability examination
Experiment device, including the fixed support being connected with helical spring A one end and the travel(l)ing rest being connected with the helical spring A other ends, it is living
Dynamic support is connected with drive mechanism, at least 2 groups travel(l)ing rests and helical spring A is connected with drive mechanism so that part helix
Remaining helical spring A does compression motion while spring A does extensional motion.
In such scheme, because helical spring possesses energy storage effect, law of conservation of energy and effect have dexterously been used
The principle of power and reaction force, while once experiment can complete multiple helical spring experiments, so test efficiency is almost realized
Double effect, shortens the test period, reduces cost.
Brief description of the drawings
Fig. 1 is general assembly schematic diagram of the invention；
Fig. 2 is guide frame schematic diagram；
Fig. 3, Fig. 4 are the structural representation of flywheel.
Embodiment
A kind of automotive suspension screw spring durability test device, including the fixed support being connected with helical spring A one end
10 and the travel(l)ing rest 20 that is connected with the helical spring A other ends, travel(l)ing rest 20 is connected with drive mechanism 30, in drive mechanism 30
It is connected with least 2 groups travel(l)ing rests 20 and helical spring A so that remaining spiral shell while part helix spring A does extensional motion
Rotation spring A does compression motion.Because helical spring A possesses energy storage effect, law of conservation of energy and effect have dexterously been used
The principle of power and reaction force, while once experiment can complete multiple helical spring A experiments, so test efficiency is almost realized
Double effect, shortens the test period, reduces cost.
As shown in figure 1, described drive mechanism 30 includes variable-frequency motor 31, output shaft and the phase of flywheel 32 of variable-frequency motor 31
The shaft core of company, the eccentric setting of output shaft 321 of flywheel 32 and the shaft core of output shaft 321 perpendicular to helical spring A.Output shaft 321
When turning to a distance near from part helix spring A, helical spring A closely will be compressed, while stretching remote spiral shell
Spring A is revolved, when output shaft 321 turns to another side, original compressed helical spring A will be stretched, original Tensile
Helical spring A will be compressed, Wangdu tension, which is pressurized, back and forth realizes helical spring A long duration test.
As another preferred scheme of the present invention, described drive mechanism 30 includes variable-frequency motor 31, variable-frequency motor 31
Output shaft be connected with cam, the shaft core of the axis of rotation of cam perpendicular to helical spring A.The special construction of cam also can be real
Existing above-mentioned functions, remaining helical spring A is stretched while making part helix spring compressed.
Further, as shown in Figure 3, Figure 4, connecting rod 40 is provided between travel(l)ing rest 20 and output shaft 321, connecting rod 40
One end is connected with the rotation of output shaft 321 of flywheel 32, the other end and travel(l)ing rest 20 are hinged by jointed shaft 41, jointed shaft 41
Shaft core and the shaft core of output shaft 321 be arranged in parallel.One end of connecting rod 40 is rotated around output shaft 321, the other end and travel(l)ing rest
20 are hinged, so when being rotated in output shaft 321, and travel(l)ing rest 20 will not twist action, it is ensured that helical spring A's
Real vehicle state.
In order to ensure helical spring A motion all the time point-blank, motion shapes of the simulation helical spring A in real vehicle
State, is additionally provided with guiding mechanism 50 between travel(l)ing rest 20 and connecting rod 40, refering to Fig. 2, and guiding mechanism 50 includes guiding trestle 51,
The pilot hole passed through for guide rod 52 is offered on guiding trestle 51, the hole core of pilot hole is horizontally arranged and parallel in helical spring
A shaft core, guide rod 52 is provided at both ends with gusset 53, gusset 53 and travel(l)ing rest 20 close to travel(l)ing rest 20 side
It is fixedly linked, the hinged seat 54 coordinated with jointed shaft 41 is provided with close to the outside of gusset 53 of the side of connecting rod 40.Due to being oriented to
The Kong Xin in hole is what horizontal direction was arranged, and pilot hole has guide and limit effect to guide rod 52, and helical spring A can only be
It is for linear motion in horizontal direction, realize helical spring A reciprocal stretchings and compression back and forth.
For the helical spring A that meets different decrement/amount of tension endurancing, described output shaft 321 is with flying
The wheel face of wheel 32 is to be gone back on detachable connection, output shaft 321 and the axis hole a interference fits set on slide plate 322, slide plate 322
Bar hole b is provided with, slide plate 322 is fixedly connected by bolt through bar hole with flywheel 32, the both sides of slide plate 322 set restricted
The block 323 of the mobile route of slide plate 322, the length direction of block 323 is parallel with bar hole b length direction.Pass through bar hole b
Slip realize different distance of the output shaft 321 relative to the center of flywheel 32, add the applicability of the present invention.
Control for convenience to the rotating speed rotating speed of variable-frequency motor 31 and helical spring A space-time condition is controlled,
Variable-frequency motor 31 is connected with control system 60, and control system 60 controls the rotating speed of variable-frequency motor 31 and records helical spring A's
Compressed number of times, so in experiment, staff just without treating aside constantly, and the application of control system 60 causes experiment high
Imitate, accurately.
In order to prevent in process of the test, helical spring A collapses, and causes the injury of personnel and the damage of equipment, fixed, living
Dynamic support 10,20 outer cups are provided with protective cover 70.
Claims (8)
1. a kind of automotive suspension screw spring durability test device, it is characterised in that：Including what is be connected with helical spring A one end
Fixed support (10) and the travel(l)ing rest (20) being connected with the helical spring A other ends, travel(l)ing rest (20) and drive mechanism (30)
At least 2 groups travel(l)ing rests (20) and helical spring A are connected with connection, drive mechanism (30) so that part helix spring A is drawn
Remaining helical spring A does compression motion while stretching motion.
2. automotive suspension screw spring durability test device according to claim 1, it is characterised in that：Described driving
Mechanism (30) includes variable-frequency motor (31), and the output shaft of variable-frequency motor (31) is connected with flywheel (32), the output shaft of flywheel (32)
(321) shaft core of the shaft core of eccentric setting and output shaft (321) perpendicular to helical spring A.
3. automotive suspension screw spring durability test device according to claim 1, it is characterised in that：Described driving
Mechanism (30) includes variable-frequency motor (31), and the output shaft of variable-frequency motor (31) is connected with cam, the axis of rotation of cam perpendicular to
Helical spring A shaft core.
4. automotive suspension screw spring durability test device according to claim 2, it is characterised in that：Travel(l)ing rest
(20) connecting rod (40) is provided between output shaft (321), one end of connecting rod (40) is rotated with the output shaft (321) of flywheel (32)
Connection, the other end and travel(l)ing rest (20) are hinged by jointed shaft (41), the shaft core of jointed shaft (41) and the axle of output shaft (321)
Core be arranged in parallel.
5. automotive suspension screw spring durability test device according to claim 4, it is characterised in that：Travel(l)ing rest
(20) guiding mechanism (50) is additionally provided between connecting rod (40), guiding mechanism (50) includes guiding trestle (51), guiding trestle
(51) pilot hole passed through for guide rod (52) is offered on, the hole core of pilot hole is horizontally arranged and parallel in helical spring A's
Shaft core, guide rod (52) is provided at both ends with gusset (53), gusset (53) and activity close to travel(l)ing rest (20) side
Support (20) is fixedly linked, and is provided with the outside of the gusset (53) of connecting rod (40) side and being hinged that jointed shaft (41) coordinates
Seat (54).
6. automotive suspension screw spring durability test device according to claim 4, it is characterised in that：Described output
The wheel face of axle (321) and flywheel (32) is detachable connection, output shaft (321) and axis hole (a) mistake set on slide plate (322)
Cross and bar hole (b) is additionally provided with cooperation, slide plate (322), bolt, which fixes slide plate (322) and flywheel (32) through bar hole, to be connected
Connect, the both sides of slide plate (322) set the block (323) of restricted slide plate (322) mobile route, the length direction of block (323)
It is parallel with the length direction of bar hole (b).
7. automotive suspension screw spring durability test device according to claim 5, it is characterised in that：Variable-frequency motor
(31) it is connected with control system (60), control system (60) controls the rotating speed of variable-frequency motor (31) and records helical spring A's
Compressed number of times.
8. automotive suspension screw spring durability test device according to claim 7, it is characterised in that：Fixed, activity
Support (10,20) outer cup is provided with protective cover (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710390910.9A CN107014601B (en) | 2017-05-27 | 2017-05-27 | Automotive suspension screw spring durability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710390910.9A CN107014601B (en) | 2017-05-27 | 2017-05-27 | Automotive suspension screw spring durability test device |
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| Publication Number | Publication Date |
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| CN107014601A true CN107014601A (en) | 2017-08-04 |
| CN107014601B CN107014601B (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710390910.9A Active CN107014601B (en) | 2017-05-27 | 2017-05-27 | Automotive suspension screw spring durability test device |
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| CN (1) | CN107014601B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060338A (en) * | 2018-08-31 | 2018-12-21 | 安徽红桥金属制造有限公司 | A kind of air spring fatigue experimental device |
| CN110426299A (en) * | 2019-07-30 | 2019-11-08 | 南京兆能节能科技有限公司 | A kind of spring life test apparatus and its application method convenient for yield index detection |
| CN110864885A (en) * | 2019-11-19 | 2020-03-06 | 山东劳动职业技术学院（山东劳动技师学院） | Horizontal spring fatigue testing machine |
| CN111829796A (en) * | 2020-07-27 | 2020-10-27 | 无锡职业技术学院 | Adjusting mechanism of automobile suspension spring testing device |
| CN113358304A (en) * | 2021-06-02 | 2021-09-07 | 苏州睿策汽车零部件有限公司 | Comprehensive testing system and method for spiral spring |
| CN113588225A (en) * | 2021-05-18 | 2021-11-02 | 中国第一汽车股份有限公司 | Air compressor durability test method, system and device |
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| US6931941B2 (en) * | 2003-09-05 | 2005-08-23 | Nhk International Corp. | Method and apparatus for fatigue testing |
| CN203443777U (en) * | 2013-09-14 | 2014-02-19 | 江苏海龙电器有限公司 | Spiral spring fatigue life test device |
| CN204064623U (en) * | 2014-07-07 | 2014-12-31 | 常州机电职业技术学院 | Spring fatigue test device |
| CN205015232U (en) * | 2015-09-28 | 2016-02-03 | 上海中国弹簧制造有限公司 | Pat tired experimental apparatus of formula bearing spring |
| CN205280342U (en) * | 2015-12-30 | 2016-06-01 | 盛瑞传动股份有限公司 | Durable detection device of spring |
| CN205879504U (en) * | 2016-07-01 | 2017-01-11 | 广州溢滔钱潮减震科技股份有限公司 | Simulation real vehicle operating condition's air spring fatigue testing machine |
| CN205940944U (en) * | 2016-07-28 | 2017-02-08 | 北京汽车研究总院有限公司 | Air spring endurance test device that stretches out and draws back |
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2017
- 2017-05-27 CN CN201710390910.9A patent/CN107014601B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6931941B2 (en) * | 2003-09-05 | 2005-08-23 | Nhk International Corp. | Method and apparatus for fatigue testing |
| CN203443777U (en) * | 2013-09-14 | 2014-02-19 | 江苏海龙电器有限公司 | Spiral spring fatigue life test device |
| CN204064623U (en) * | 2014-07-07 | 2014-12-31 | 常州机电职业技术学院 | Spring fatigue test device |
| CN205015232U (en) * | 2015-09-28 | 2016-02-03 | 上海中国弹簧制造有限公司 | Pat tired experimental apparatus of formula bearing spring |
| CN205280342U (en) * | 2015-12-30 | 2016-06-01 | 盛瑞传动股份有限公司 | Durable detection device of spring |
| CN205879504U (en) * | 2016-07-01 | 2017-01-11 | 广州溢滔钱潮减震科技股份有限公司 | Simulation real vehicle operating condition's air spring fatigue testing machine |
| CN205940944U (en) * | 2016-07-28 | 2017-02-08 | 北京汽车研究总院有限公司 | Air spring endurance test device that stretches out and draws back |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060338A (en) * | 2018-08-31 | 2018-12-21 | 安徽红桥金属制造有限公司 | A kind of air spring fatigue experimental device |
| CN110426299A (en) * | 2019-07-30 | 2019-11-08 | 南京兆能节能科技有限公司 | A kind of spring life test apparatus and its application method convenient for yield index detection |
| CN110864885A (en) * | 2019-11-19 | 2020-03-06 | 山东劳动职业技术学院（山东劳动技师学院） | Horizontal spring fatigue testing machine |
| CN110864885B (en) * | 2019-11-19 | 2021-07-20 | 山东劳动职业技术学院（山东劳动技师学院） | Horizontal spring fatigue testing machine |
| CN111829796A (en) * | 2020-07-27 | 2020-10-27 | 无锡职业技术学院 | Adjusting mechanism of automobile suspension spring testing device |
| CN113588225A (en) * | 2021-05-18 | 2021-11-02 | 中国第一汽车股份有限公司 | Air compressor durability test method, system and device |
| CN113588225B (en) * | 2021-05-18 | 2024-06-04 | 中国第一汽车股份有限公司 | Endurance test method, system and device for air compressor |
| CN113358304A (en) * | 2021-06-02 | 2021-09-07 | 苏州睿策汽车零部件有限公司 | Comprehensive testing system and method for spiral spring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107014601B (en) | 2019-09-10 |
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