CN105841941A - Helical cylindrical spring fatigue tester - Google Patents
Helical cylindrical spring fatigue tester Download PDFInfo
- Publication number
- CN105841941A CN105841941A CN201610197034.3A CN201610197034A CN105841941A CN 105841941 A CN105841941 A CN 105841941A CN 201610197034 A CN201610197034 A CN 201610197034A CN 105841941 A CN105841941 A CN 105841941A
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- CN
- China
- Prior art keywords
- spring
- fatigue test
- test device
- cylindrical spring
- striker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a helical cylindrical spring fatigue tester, characterized by comprising an upper sleeve, wherein the upper end is in fixed connection with the sliding block of a punching machine, and the lower end forms an internal barrier, a sliding holder slides up and down in the upper sleeve, an adjusting spring is arranged between the sliding block and the sliding holder, and the lower surface of the sliding holder abuts against the internal barrier; a lower sleeve fixedly connected to the workbench of the punching machine; and a central spindle having the upper end fixedly connected to the sliding holder and the lower end inserted into the lower sleeve in a matching mode. The tester employs the punching machine to realize spring fatigue test, expands equipment usage occasions, and reduces fatigue test costs and production costs; in addition, through an upper end spring and a lower end crash pad, the tester can greatly stimulate the conditions of a shock absorber spring, and make fatigue test data more real and reliable.
Description
Technical field
The present invention relates to spring fatigue technical field of measurement and test, particularly relate to a kind of screw cylindrical spring fatigue and survey
Electricity testing device.
Background technology
Screw cylindrical spring is widely used in amortisseur field, and absorber spring has higher testing fatigue
Requirement, e.g., 1, long duration test require: product surface flawless, scuffing after test completes, become abnormal
Deformation, 2, rigidity and free height variable quantity not can exceed that entirety requires 3%, 3, spring can not deform,
How to carry out monoblock type detection for above-mentioned requirements to become urgent need and solve the technical problem that.
Summary of the invention
It is an object of the invention to for technological deficiency present in prior art, and a kind of screw cylindrical bullet is provided
Spring fatigue test device.
Be the technical scheme is that by realizing the purpose of the present invention
A kind of screw cylindrical spring fatigue test device, it is characterised in that include,
Upper bush, the slide block of its upper end and punch press is fixing to be connected and lower end is formed with inner retaining side, can in upper bush
Sliding up and down to be provided with sliding pallet, be provided with regulation spring between slide block and sliding pallet, the lower surface of sliding pallet is with interior
Rib holds mutually,
Lower sleeve, fixes with the workbench of described punch press and is connected,
And upper end fixes with described sliding pallet and is connected lower end and inserts the core within described lower sleeve matchingly
Axle, described mandrel includes fixing the upper shaft part being connected with sliding pallet and being formed at drawing of upper shaft part lower end coaxially
Guide rod, described lower sleeve center is fixedly installed striker, and described striker is centrally formed with described
Guiding bar guide hole matchingly, described upper shaft part is arranged with spring to be detected.
Connecting bottom described upper bush and have connection ring, the outer cover at described spring to be detected is provided with inspection
Test tube, described detection pipe upper end be connected that ring is fixing to be connected, striker can be held by described detection pipe lower end
Receive and wherein and relatively move up and down.
The cushion pad that can contact it is provided with described upper shaft part lower surface on described striker top.
Described cushion pad top is provided with the filler ring held with spring to be detected.
Described upper bush both sides are correspondingly provided with observing elongated hole.
Adpting flange it is formed with to be connected by bolt and described lower sleeve are fixing bottom described striker.
Described spring to be detected is absorber spring.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention achieves the testing fatigue of spring by punch press, has expanded the use occasion of equipment, has reduced
Testing fatigue cost, reduces production cost, and, by upper end regulation spring and the setting of lower end cushion pad,
Greatly simulate the operating mode of absorber spring so that fatigue test data is the most true and reliable.
Accompanying drawing explanation
Fig. 1 show the structural representation of the screw cylindrical spring fatigue test device of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that herein
Described specific embodiment, only in order to explain the present invention, is not intended to limit the present invention.
As it is shown in figure 1, the screw cylindrical spring fatigue test device of the present invention includes upper bush 1, its upper end with
The fixing connection of the slide block of punch press and lower end are formed with inner retaining side, can slide up and down to be provided with sliding pallet in upper bush
2, between slide block and sliding pallet, be provided with regulation spring 3, described regulation spring can the stroke of auxiliary adjustment punch press,
And truly simulate the applying working condition as absorber spring, and improve the Actual Simulation of testing fatigue, described
Upper bush both sides be correspondingly provided with observe elongated hole in case observe regulation spring duty；Lower sleeve 4,
Fix with the workbench 5 of described punch press and be connected, i.e. described lower sleeve sinks to the logical of described workbench
Below hole；And upper end fixes with described sliding pallet and is connected lower end and inserts matchingly within described lower sleeve
Mandrel 6, described mandrel includes fixing the upper shaft part 61 being connected with sliding pallet and being formed at coaxially under upper shaft part
The guiding bar 62 of end, described lower sleeve center is fixedly installed striker 7, shape bottom described striker
Becoming to have adpting flange to be connected by bolt and described lower sleeve are fixing, described striker is centrally formed with
With described guiding bar guide hole matchingly, described upper shaft part is arranged with spring 12 to be detected.Specifically,
Be provided with the cushion pad 8 that can contact with described upper shaft part lower surface on described striker top, described is slow
Die head top is provided with the filler ring 9 held with spring to be detected, utilizes the setting of cushion pad and filler ring, enters especially
The actual condition of one step simulation absorber spring.
The present invention achieves the testing fatigue of spring by punch press, and the ram travel of punch press is adjustable, has expanded equipment
Use occasion, reduce testing fatigue cost, reduce production cost, and, regulate spring by upper end
With the setting of lower end cushion pad, greatly simulate the operating mode of absorber spring so that fatigue test data is more
For true and reliable.
Meanwhile, for improving the detection of axiality in work process, connect bottom described upper bush and have even
T-Ring 10, the outer cover at described spring to be detected is provided with detection pipe 11, described detection pipe upper end and company
T-Ring is fixing to be connected, and striker receiving can wherein and relatively be moved up and down by described detection pipe lower end.So,
During detection, between detected spring and detection pipe, relative motion can occur, if axiality is the best, then
Detection inside pipe wall can be caused to occur that cut even deforms, and nationality is to provide reference.
The above is only the preferred embodiment of the present invention, it is noted that for the art
For those of ordinary skill, under the premise without departing from the principles of the invention, it is also possible to make some improvement and profit
Decorations, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. a screw cylindrical spring fatigue test device, it is characterised in that include,
Upper bush, the slide block of its upper end and punch press is fixing to be connected and lower end is formed with inner retaining side, can in upper bush
Sliding up and down to be provided with sliding pallet, be provided with regulation spring between slide block and sliding pallet, the lower surface of sliding pallet is with interior
Rib holds mutually,
Lower sleeve, fixes with the workbench of described punch press and is connected,
And upper end fixes with described sliding pallet and is connected lower end and inserts the core within described lower sleeve matchingly
Axle, described mandrel includes fixing the upper shaft part being connected with sliding pallet and being formed at drawing of upper shaft part lower end coaxially
Guide rod, described lower sleeve center is fixedly installed striker, and described striker is centrally formed with described
Guiding bar guide hole matchingly, described upper shaft part is arranged with spring to be detected.
2. screw cylindrical spring fatigue test device as claimed in claim 1, it is characterised in that described
Upper bush bottom connect have connection ring, the outer cover at described spring to be detected be provided with detection pipe, described
Detection pipe upper end be connected that ring is fixing to be connected, striker can be accommodated wherein and phase by described detection pipe lower end
To moving up and down.
3. screw cylindrical spring fatigue test device as claimed in claim 2, it is characterised in that described
Striker top be provided with the cushion pad that can contact with described upper shaft part lower surface.
4. screw cylindrical spring fatigue test device as claimed in claim 3, it is characterised in that described
Cushion pad top is provided with the filler ring held with spring to be detected.
5. screw cylindrical spring fatigue test device as claimed in claim 1, it is characterised in that described
Upper bush both sides are correspondingly provided with observing elongated hole.
6. screw cylindrical spring fatigue test device as claimed in claim 1, it is characterised in that described
Adpting flange it is formed with to be connected by bolt and described lower sleeve are fixing bottom striker.
7. screw cylindrical spring fatigue test device as claimed in claim 1, it is characterised in that described
Spring to be detected is absorber spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197034.3A CN105841941B (en) | 2016-03-30 | 2016-03-30 | Screw cylindrical spring fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197034.3A CN105841941B (en) | 2016-03-30 | 2016-03-30 | Screw cylindrical spring fatigue test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105841941A true CN105841941A (en) | 2016-08-10 |
| CN105841941B CN105841941B (en) | 2018-05-11 |
Family
ID=56597703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610197034.3A Expired - Fee Related CN105841941B (en) | 2016-03-30 | 2016-03-30 | Screw cylindrical spring fatigue test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105841941B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580141A (en) * | 2018-12-24 | 2019-04-05 | 重庆巨九磊汽车零部件制造有限公司 | A kind of damping spring test device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2029281C1 (en) * | 1992-04-29 | 1995-02-20 | Владимир Петрович Власов | Assembly for fatigue testing of specimens of materials |
| JPH10260122A (en) * | 1997-03-17 | 1998-09-29 | Mitsubishi Heavy Ind Ltd | Fatigue testing apparatus for spring |
| KR101166992B1 (en) * | 2010-10-29 | 2012-07-24 | 대원강업주식회사 | Cushion type testing jig for coil spring fatigue testing |
| CN102980760A (en) * | 2012-12-11 | 2013-03-20 | 安徽合力股份有限公司 | Fatigue test device for compression spring |
| CN203719882U (en) * | 2013-12-13 | 2014-07-16 | 国家电网公司 | Spring fatigue tester |
| CN104089763A (en) * | 2014-07-07 | 2014-10-08 | 常州机电职业技术学院 | Spring fatigue test device |
| CN204718798U (en) * | 2015-07-07 | 2015-10-21 | 佛山市元九门控科技有限公司 | A kind of floor spring spring life simulation device for fast detecting |
| CN205506381U (en) * | 2016-03-30 | 2016-08-24 | 天津沛衡五金弹簧有限公司 | Spiral column spring fatigue testing arrangement |
-
2016
- 2016-03-30 CN CN201610197034.3A patent/CN105841941B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2029281C1 (en) * | 1992-04-29 | 1995-02-20 | Владимир Петрович Власов | Assembly for fatigue testing of specimens of materials |
| JPH10260122A (en) * | 1997-03-17 | 1998-09-29 | Mitsubishi Heavy Ind Ltd | Fatigue testing apparatus for spring |
| KR101166992B1 (en) * | 2010-10-29 | 2012-07-24 | 대원강업주식회사 | Cushion type testing jig for coil spring fatigue testing |
| CN102980760A (en) * | 2012-12-11 | 2013-03-20 | 安徽合力股份有限公司 | Fatigue test device for compression spring |
| CN203719882U (en) * | 2013-12-13 | 2014-07-16 | 国家电网公司 | Spring fatigue tester |
| CN104089763A (en) * | 2014-07-07 | 2014-10-08 | 常州机电职业技术学院 | Spring fatigue test device |
| CN204718798U (en) * | 2015-07-07 | 2015-10-21 | 佛山市元九门控科技有限公司 | A kind of floor spring spring life simulation device for fast detecting |
| CN205506381U (en) * | 2016-03-30 | 2016-08-24 | 天津沛衡五金弹簧有限公司 | Spiral column spring fatigue testing arrangement |
Non-Patent Citations (2)
| Title |
|---|
| 傅华栋 等: "圆柱螺旋弹簧疲劳试验机的开发", 《机电产品开发与创新》 * |
| 王仁智 等: "螺旋弹簧快速疲劳试验加载优化方法", 《金属制品》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580141A (en) * | 2018-12-24 | 2019-04-05 | 重庆巨九磊汽车零部件制造有限公司 | A kind of damping spring test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105841941B (en) | 2018-05-11 |
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