CN107014601B - Automotive suspension screw spring durability test device - Google Patents
Automotive suspension screw spring durability test device Download PDFInfo
- Publication number
- CN107014601B CN107014601B CN201710390910.9A CN201710390910A CN107014601B CN 107014601 B CN107014601 B CN 107014601B CN 201710390910 A CN201710390910 A CN 201710390910A CN 107014601 B CN107014601 B CN 107014601B
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- Prior art keywords
- helical spring
- movable support
- spring
- output shaft
- automotive suspension
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 239000000725 suspension Substances 0.000 title claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 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
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 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
Abstract
The object of the present invention is to provide a kind of automotive suspension screw spring durability test devices, the test period can be shortened, improve test efficiency and at low cost, including the fixation bracket being connected with the one end helical spring A and the movable support being connected with the helical spring A other end, movable support is connect with driving mechanism, at least 2 groups of movable supports and helical spring A are connected in driving mechanism, so that remaining helical spring A does compression movement while part helix spring A does extensional motion.In above scheme, since helical spring has energy storage effect, the principle of law of conservation of energy and active force and reaction force has dexterously been used, primary test simultaneously can complete multiple helical spring tests, so test efficiency almost realizes double effect, the test period is shortened, is reduced costs.
Description
Technical field
The present invention relates to automobile product the field of test technology, and in particular to a kind of automotive suspension screw spring durability test
Device.
Background technique
Helical spring is connected to vehicle body and wheel steering section, has mitigated to vehicle body as a part in automotive suspension
Impact, traveller assembly play the role of the comfort and maneuverability of driving extremely important, can guarantee the good driving body of user
It tests, enhances the brand of automobile.If helical spring fails, it will lead to vehicle's center of gravity and deviate, Vehicle handling reduction, and meanwhile it is comfortable
Property decline.Therefore helical spring endurance quality is an important Testing index in Design and manufacturing process.
Summary of the invention
The object of the present invention is to provide a kind of automotive suspension screw spring durability test devices, can shorten test week
Phase improves test efficiency and at low cost.
To achieve the goals above, a kind of the technical solution adopted by the present invention are as follows: automotive suspension screw spring durability examination
Experiment device, it is living including the fixation bracket being connected with the one end helical spring A and the movable support being connected with the helical spring A other end
Dynamic bracket is connect with driving mechanism, at least 2 groups of movable supports and helical spring A is connected in driving mechanism, so that part helix
Remaining helical spring A does compression movement while spring A does extensional motion.
In above scheme, since helical spring has energy storage effect, law of conservation of energy and effect have dexterously been used
The principle of power and reaction force, while primary test can complete multiple helical spring tests, so test efficiency is almost realized
Double effect, shortens the test period, reduces costs.
Detailed description of the invention
Fig. 1 is general assembly schematic diagram of the invention；
Fig. 2 is guide frame schematic diagram；
Fig. 3, Fig. 4 are the structural schematic diagram of flywheel.
Specific embodiment
A kind of automotive suspension screw spring durability test device, including the fixation bracket being connected with the one end helical spring A
10 and the movable support 20 that is connected with the helical spring A other end, movable support 20 is connect with driving mechanism 30, in driving mechanism 30
It is connected at least 2 groups of movable supports 20 and helical spring A, so that remaining spiral shell while part helix spring A does extensional motion
Rotation spring A does compression movement.Since helical spring A has energy storage effect, law of conservation of energy and effect have dexterously been used
The principle of power and reaction force, while primary test can complete multiple helical spring A tests, so test efficiency is almost realized
Double effect, shortens the test period, reduces costs.
As shown in Figure 1, the driving mechanism 30 includes variable-frequency motor 31, output shaft and 32 phase of flywheel of variable-frequency motor 31
Even, central spindle of the central spindle of 321 eccentric setting of output shaft of flywheel 32 and output shaft 321 perpendicular to helical spring A.Output shaft 321
Turn to from part helix spring A it is close with a distance from when, the helical spring A of short distance 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, back and forth Wangdu tension be pressurized realize helical spring A endurance test.
As another preferred embodiment of the invention, the driving mechanism 30 includes variable-frequency motor 31, variable-frequency motor 31
Output shaft be connected with cam, the central spindle of the axis of rotation of cam perpendicular to helical spring A.The special construction of cam also can be real
Existing above-mentioned function, remaining helical spring A is stretched while keeping part helix spring compressed.
Further, as shown in Figure 3, Figure 4, connecting rod 40 is provided between movable support 20 and output shaft 321, connecting rod 40
The rotation connection of the output shaft 321 of one end and flywheel 32, the other end and movable support 20 are hinged by articulated shaft 41, articulated shaft 41
Central spindle and the central spindle of output shaft 321 are arranged in parallel.One end of connecting rod 40 is around the rotation of output shaft 321, the other end and movable support
20 is hinged, and in this way when output shaft 321 rotates, movable support 20 will not twist movement, guarantee helical spring A's
Real vehicle state.
In order to guarantee that the movement of helical spring A point-blank, simulates movement shape of the helical spring A in real vehicle always
State is additionally provided with guiding mechanism 50 between movable support 20 and connecting rod 40, referring to Fig.2, 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
The central spindle of A, the both ends of guide rod 52 are provided with gusset 53, the gusset 53 and movable support 20 close to 20 side of movable support
It is fixedly linked, the hinged seat 54 cooperated with articulated shaft 41 is provided on the outside of the gusset 53 of 40 side of connecting rod.Due to guiding
The Kong Xin in hole is horizontal direction arrangement, 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 stretching and compression back and forth.
In order to meet different decrement/amount of tension helical spring A durability test, the output shaft 321 and fly
The wheel face of wheel 32 is detachable connection, the axis hole a transition fit being arranged on output shaft 321 and slide plate 322, on slide plate 322 also
It is provided with strip-shaped hole b, bolt passes through strip-shaped hole and is fixedly connected with slide plate 322 with flywheel 32, and the two sides setting of slide plate 322 is restricted
The length direction of the block 323 of 322 movement routine of slide plate, block 323 is parallel with the length direction of strip-shaped hole b.Pass through strip-shaped hole b
Sliding to realize different distance of the output shaft 321 relative to 32 center of flywheel, increase applicability of the invention.
To the control of the revolving speed revolving speed of variable-frequency motor 31 and the space-time condition of helical spring A is controlled for convenience,
Variable-frequency motor 31 is connected with control system 60, and control system 60 controls the revolving speed of variable-frequency motor 31 and records helical spring A's
Compressed number, in this way in experiment, staff does not just have to the moment and stays in side, and the application of control system 60 is so that test is high
It imitates, is accurate.
In order to prevent during the test, helical spring A collapses the damage of the injury and equipment that cause personnel out, fixed, living
Dynamic bracket 10,20 outer cups are equipped with shield 70.
Claims (4)
1. a kind of automotive suspension screw spring durability test device, it is characterised in that: including what is be connected with the one end helical spring A
Fixed bracket (10) and the movable support (20) being connected with the helical spring A other end, movable support (20) and driving mechanism (30)
It connects, at least 2 groups of movable supports (20) and helical spring A is connected in driving mechanism (30), so that part helix spring A is drawn
Remaining helical spring A does compression movement while stretching movement；
The driving mechanism (30) includes variable-frequency motor (31), and the output shaft of variable-frequency motor (31) is connected with flywheel (32), is flown
Take turns (32) output shaft (321) eccentric setting and output shaft (321) central spindle perpendicular to helical spring A central spindle；
It is provided between movable support (20) and output shaft (321) connecting rod (40), one end of connecting rod (40) is defeated with flywheel (32)
Shaft (321) rotation connection, the other end and movable support (20) by articulated shaft (41) hingedly, the central spindle of articulated shaft (41) with it is defeated
The central spindle of shaft (321) is arranged in parallel；
It is additionally provided between movable support (20) and connecting rod (40) guiding mechanism (50), 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 the central spindle of helical spring A, the both ends of guide rod (52) are provided with gusset (53), the reinforcing close to movable support (20) side
Plate (53) is fixedly linked with movable support (20), and gusset (53) outside of close connecting rod (40) side is provided with and articulated shaft
(41) hinged seat (54) cooperated.
2. automotive suspension screw spring durability test device according to claim 1, it is characterised in that: the output
Axis (321) and the wheel face of flywheel (32) are detachable connection, axis hole (a) mistake being arranged on output shaft (321) and slide plate (322)
Cooperation is crossed, strip-shaped hole (b) is additionally provided on slide plate (322), bolt passes through strip-shaped hole for slide plate (322) and flywheel (32) fixed company
It connects, the block (323) of restricted slide plate (322) movement routine, the length direction of block (323) is arranged in the two sides of slide plate (322)
It is parallel with the length direction of strip-shaped hole (b).
3. automotive suspension screw spring durability test device according to claim 1, it is characterised in that: variable-frequency motor
(31) it is connected with control system (60), control system (60) controls the revolving speed of variable-frequency motor (31) and records helical spring A's
Compressed number.
4. automotive suspension screw spring durability test device according to claim 3, it is characterised in that: fixed, activity
Bracket (10,20) outer cup is equipped with shield (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107014601A CN107014601A (en) | 2017-08-04 |
| CN107014601B true 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) |
Families Citing this family (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 |
| CN110426299B (en) * | 2019-07-30 | 2020-03-31 | 南京兆能节能科技有限公司 | Spring life test device convenient for yield index detection and use method thereof |
| 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 |
| CN111829796B (en) * | 2020-07-27 | 2022-09-23 | 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 |
| 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 |
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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 |
-
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 |
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|---|---|
| CN107014601A (en) | 2017-08-04 |
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