CN103207055A - Spring fatigue strength test device - Google Patents
Spring fatigue strength test device Download PDFInfo
- Publication number
- CN103207055A CN103207055A CN2012100657298A CN201210065729A CN103207055A CN 103207055 A CN103207055 A CN 103207055A CN 2012100657298 A CN2012100657298 A CN 2012100657298A CN 201210065729 A CN201210065729 A CN 201210065729A CN 103207055 A CN103207055 A CN 103207055A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- plane
- spring
- pilot hole
- hole
- 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.)
- Pending
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A spring fatigue strength test device comprises a first pressing plate, a second pressing plate, a positioning rod and a screw rod. The positioning rod penetrates through a second positioning hole extending in the direction perpendicular to the second plane, a spring to be tested and a first positioning hole extending in the direction perpendicular to the first plane, the spring to be tested is vertically positioned between the first plane and the second plane which are parallel to each other, the screw is in threaded fit with at least one of the first pressing plate and the second pressing plate, the distance between the first pressing plate and the second pressing plate is adjusted by rotating the screw, a compression force is provided for the spring to be tested by shortening the distance between the first pressing plate and the second pressing plate, the spring to be tested is compressed between the first plane and the second plane through the same compression degree for a long time, the effect of simulating the state of the spring in use is achieved, and the fatigue strength of the spring can be tested more accurately.
Description
[technical field]
The present invention relates to testing apparatus, particularly relate to a kind of spring fatigue strength test device.
[background technology]
Spring is widely used as a kind of critical elements in the industrial system, and it generally is to be in a kind of compressive state for a long time in use, and therefore, the quality of the fatigue strength of spring directly affects the performance of product.For example, in field of light fittings, spring also is widely used, particularly in electric torch class light fixture, spring uses as electrode, but in use, spring need be subjected to long-term positive pressure, be that spring is in compressive state for a long time, if the fatigue strength of spring is bad, behind long-term pressurized, can not recover, will cause the phenomenon of light fixture loose contact, therefore, the fatigue strength of spring directly affects the overall performance of electric torch class light fixture.
[summary of the invention]
Based on this, be necessary to provide a kind of Stromeyer test device of test spring comparatively accurately.
A kind of spring fatigue strength test device comprises:
First pressing plate has first plane, offers the edge perpendicular to first pilot hole of the direction extension on described first plane on described first plane on described first pressing plate;
Second pressing plate, has second plane, described second pressing plate is arranged at intervals on described first pressing plate, and described first plane is relative and parallel with described second plane, offer second pilot hole that extend perpendicular to the direction on described second plane on described second pressing plate of perforation and edge on described second pressing plate, described second pilot hole is corresponding with the position of described first pilot hole;
Backstay wears described first pilot hole and described second pilot hole, spring housing to be tested be located on the described backstay and the two ends of described spring to be tested respectively with described first plane and the described second plane butt; And
Screw rod wears described first pressing plate and described second pressing plate, and with described first pressing plate and second pressing plate at least one threaded engagement, rotate described screw rod and the spacing of regulating described first pressing plate and described second pressing plate.
In a preferred embodiment, offer first through hole on described first pressing plate, offer second through hole corresponding with the position of described first through hole on described second pressing plate, described spring fatigue strength test device also comprises the fixed cover of fixedlying connected away from the one side on described first plane with described first pressing plate, be formed with in the described fixed cover be communicated with described first through hole and with the suitable threaded hole of described screw rod, described screw rod wears described threaded hole, first through hole and second through hole.
In a preferred embodiment, described spring fatigue strength test device also comprises and is sheathed on the nut that described screw rod stretches out an end of described second pressing plate regularly.
In a preferred embodiment, described first pilot hole is through hole, described backstay comprises the bar portion of sheathed described spring to be tested and is sheathed on the limiting section of described bar portion regularly, described bar portion wears described second pilot hole and described first pilot hole, and described limiting section stops described backstay to drop from described second pilot hole.
In a preferred embodiment, it is conical that described limiting section is, and the diameter of the xsect of described limiting section is greater than the aperture of described second pilot hole.
In a preferred embodiment, described first pilot hole is blind hole, and described backstay passes described second pilot hole and an end is contained in described first pilot hole.
In a preferred embodiment, be formed with handle part on the end face at the top of described backstay.
In a preferred embodiment, described screw rod is provided with the support portion away from the end face of an end of described first pressing plate.
Above-mentioned spring fatigue strength test device, backstay wears second pilot hole that extends along perpendicular to the direction on second plane, first pilot hole that extend perpendicular to the direction on first plane on spring to be tested and edge, and with spring to be tested be vertically positioned in first plane that is parallel to each other and second plane between, at least one threaded engagement in screw rod and first pressing plate and second pressing plate, regulate the spacing of first pressing plate and second pressing plate by rotary screw, a force of compression is provided for spring to be tested by the spacing that shortens first pressing plate and second pressing plate, spring to be tested is compressed between first plane and second plane by long identical compression degree, and reach the effect of simulation spring state in use, thereby the fatigue strength of test spring comparatively accurately.
[description of drawings]
Fig. 1 is the structural representation of the spring fatigue strength test device of an embodiment;
Fig. 2 is the explosive view of spring fatigue strength test device shown in Figure 1.
[embodiment]
Below in conjunction with the drawings and specific embodiments the spring fatigue strength test device is further specified.
As shown in Figure 1, the spring fatigue strength test device 10 of an embodiment comprises first pressing plate 100, second pressing plate 200, backstay 300, screw rod 400 and nut 500.
See also Fig. 2, first pressing plate 100 can be preferably rectangular flat board for triangle, square and rectangle etc.First pressing plate 100 has first plane 110.First plane, 110 useful carryings spring 20 to be tested.Offer along first pilot hole 120 perpendicular to the extension of first plane, 110 directions on first plane 110 on first pressing plate 100.
Second pressing plate 200 can be triangle, square and rectangle, is preferably rectangular flat board.Second pressing plate 200 has second plane 210.Second pressing plate 200 is arranged at intervals on first pressing plate 100, and first plane 110 is relative and parallel with second plane 210.Offer second pilot hole 220 that extend perpendicular to the direction on second plane 210 on perforation second pressing plate 200 and edge on second pressing plate 200.Second pilot hole 220 is corresponding with the position of first pilot hole 120.Second pilot hole 220 can also can be blind hole for through hole.
Backstay 300 is roughly elongated, and xsect is roughly circle.Backstay 300 wears first pilot hole 120 and second pilot hole 220.Spring 20 to be tested be sheathed on the backstay 300 and the two ends of spring to be tested 20 respectively with first plane 110 and second plane, 210 butts.Be that backstay 300 is all vertical with first plane 110 and second plane 210, and spring to be tested 20 relative first planes 110 vertically are held between second plane 210 of first plane 110 of first pressing plate 100 and second pressing plate 200, the force of compression of regulating the spacing on first plane 110 and second plane 210 and a forward being provided for spring 20 to be tested, thereby the state when simulation spring 20 uses.Backstay 300 roughly is elongated taper shape, and backstay 300 is contained in the diameter of xsect at first pilot hole, 120 places less than the diameter of the xsect at second pilot hole, 220 places.First pilot hole 120 can be through hole or blind hole.If first pilot hole 120 is through hole, then backstay 300 comprises the bar portion 310 of sheathed spring to be tested 20 and the limiting section 320 that fixed cover is located at bar portion 310, bar portion 310 wears second pilot hole 220 and first pilot hole 110, limiting section 320 stops backstay 300 to drop from second pilot hole 220, thereby can prevent from dropping from second pilot hole 220 because backstay 300 is thin.It is conical that limiting section 320 is, and the diameter of the xsect of limiting section 320 is greater than the aperture of second pilot hole.Be appreciated that two protruding (not shown) that limiting section 320 is oppositely arranged on can the sidewall for backstay 300.If first pilot hole 120 is blind hole, then backstay 300 passes second pilot hole 220 and an end is contained in first pilot hole 120.Be formed with handle part 330 on the end face at the top of backstay 300, handle part 330 can make things convenient for hand or clamping device to take backstay 300.The taper shape of handle part 330 for having cambered surface.Be appreciated that handle part 330 also can be sphere or cylindricality.
In the present embodiment, first pilot hole 120 is a plurality of, and second pilot hole 220 and backstay 300 all correspond to a plurality of, can carry out the Stromeyer test of a plurality of springs 20 samples of same model simultaneously, thereby improves testing efficiency.
Screw rod 400 wears first pressing plate 100 and second pressing plate 200, and with first pressing plate 100 and second pressing plate 200 at least one threaded engagement, rotary screw 400 and the spacing of regulating first pressing plate 100 and second pressing plate 200.Screw rod 400 is provided with support portion 410 away from the end face of an end of first pressing plate 100, thus can make things convenient for spring fatigue strength test device 10 more firm support on ground.In the present embodiment, screw rod 400 and first pressing plate, 100 threaded engagement, at this moment, second pressing plate 200 is fixedlyed connected with screw rod 400, and rotary screw 400 makes first pressing plate 100 move and the spacing of regulating first pressing plate 100 and second pressing plate 200 relative to second pressing plate 200.In other embodiments, screw rod 400 and second pressing plate, 200 threaded engagement, at this moment, first pressing plate 100 is fixedlyed connected with screw rod 400, and rotary screw 400 makes second pressing plate 200 move and the spacing of regulating first pressing plate 100 and second pressing plate 200 relative to first pressing plate 100.Be appreciated that, screw rod 400 and first pressing plate 100 and second pressing plate, 200 equal threaded engagement, this moment, screw rod 400 was two-flight screw, the spacing that rotary screw 400 makes first pressing plate 100 and second pressing plate 200 regulate first pressing plate 100 and second pressing plate 200 towards relative or opposite direction motion.
In the present embodiment, offer on first pressing plate 100 on first through hole, 130, the second pressing plates 200 and also offer second through hole 230 corresponding with the position of first through hole 130.Spring fatigue strength test device 10 also comprises the fixed cover 600 of fixedlying connected away from the one side of second pressing plate 200 with first depression bar 100.Be formed with the threaded hole (not shown) suitable with screw rod 400 in the fixed cover 600.Screw rod 400 wears threaded hole, first through hole 110 and second through hole 120, regulate the spacing of first pressing plate 100 and second pressing plate 200 by rotary screw 400, namely regulate the spacing on first plane 110 and second plane 210, and required force of compression is provided for spring 20 to be tested.
In a preferred embodiment, screw rod 400 is a plurality of, and nut 500 all corresponds to a plurality of, thereby can more firmly fix first pressing plate 100 and second pressing plate 200.In the present embodiment, screw rod 400 is preferably six, and nut 500 correspondences are preferably six.
The process of the test of above-mentioned spring fatigue strength test device 10 is as follows:
Screw rod 400 passes fixed cover 600 and first through hole 130 and is threaded with first pressing plate 100, spring 20 to be tested is placed on first plane 110 of first pressing plate 100, press second pressing plate 200 at spring 20 to be tested then, and it is second plane 210 is relative and parallel with first plane 110, screw rod 400 passes second through hole 230, and the two ends of spring 20 are offseted respectively with first plane 110 and second plane 210, stretch out the end cover top nut 500 of second pressing plate 200 at screw rod 400, and second pressing plate 200 is fixing with screw rod 400, backstay 300 is passed second pilot hole 220 successively, spring 20 to be tested and first pilot hole 120, and spring 20 relative first planes 110 vertically are positioned between first plane 110 and second plane 210, the spacing that rotary screw 400 is regulated second pressing plate 200 and first pressing plate 100, one force of compression is provided for spring 20 to be tested by the distance that shortens between first pressing plate 100 and second pressing plate 200, determine distance between first pressing plate 100 and second pressing plate 200 according to spring 20 to be tested compression degree in use, thereby the use state of simulation spring 20, hold first pressing plate 100 and first plane 110 of second pressing plate 200 and the distance between second plane 210 of spring 20 to be tested by long retaining clip, reach the effect of the fatigue strength of test spring 20.
Above-mentioned spring fatigue strength test device 10, backstay 300 wears second pilot hole 220 that extends along perpendicular to the direction on second plane 210, first pilot hole 120 that extend perpendicular to the direction on first plane 110 on spring 20 to be tested and edge, and with spring 20 to be tested be vertically positioned in first plane 110 that is parallel to each other and second plane 210 between, at least one threaded engagement in screw rod 400 and first pressing plate 100 and second pressing plate 200, regulate the spacing of first pressing plate 100 and second pressing plate 200 by rotary screw 400, a force of compression is provided for spring 20 by the spacing that shortens first pressing plate 100 and second pressing plate 200, spring 20 is compressed between first plane 110 and second plane 210 by long identical compression degree, and reach the effect of simulation spring 20 state in use, thereby the fatigue strength of test spring 20 comparatively accurately.
Be appreciated that nut 500 can omit, at this moment, an end that stretches out second pressing plate 200 at screw rod 400 arranges latch, and prevents that second pressing plate 200 from moving towards the direction away from spring 20.Fixed cover 600 can omit, and at this moment, offers the threaded hole with screw rod 400 threaded engagement on first pressing plate 100.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a spring fatigue strength test device is characterized in that, comprising:
First pressing plate has first plane, offers the edge perpendicular to first pilot hole of the direction extension on described first plane on described first plane on described first pressing plate;
Second pressing plate, has second plane, described second pressing plate is arranged at intervals on described first pressing plate, and described first plane is relative and parallel with described second plane, offer second pilot hole that extend perpendicular to the direction on described second plane on described second pressing plate of perforation and edge on described second pressing plate, described second pilot hole is corresponding with the position of described first pilot hole;
Backstay wears described first pilot hole and described second pilot hole, spring housing to be tested be located on the described backstay and the two ends of described spring to be tested respectively with described first plane and the described second plane butt; And
Screw rod wears described first pressing plate and described second pressing plate, and with described first pressing plate and second pressing plate at least one threaded engagement, rotate described screw rod and the spacing of regulating described first pressing plate and described second pressing plate.
2. spring fatigue strength test device according to claim 1, it is characterized in that, offer first through hole on described first pressing plate, offer second through hole corresponding with the position of described first through hole on described second pressing plate, described spring fatigue strength test device also comprises the fixed cover of fixedlying connected away from the one side on described first plane with described first pressing plate, be formed with in the described fixed cover be communicated with described first through hole and with the suitable threaded hole of described screw rod, described screw rod wears described threaded hole, first through hole and second through hole.
3. spring fatigue strength test device according to claim 1 is characterized in that, described spring fatigue strength test device also comprises and is sheathed on the nut that described screw rod stretches out an end of described second pressing plate regularly.
4. spring fatigue strength test device according to claim 1, it is characterized in that, described first pilot hole is through hole, described backstay comprises the bar portion of sheathed described spring to be tested and is sheathed on the limiting section of described bar portion regularly, described bar portion wears described second pilot hole and described first pilot hole, and described limiting section stops described backstay to drop from described second pilot hole.
5. spring fatigue strength test device according to claim 4 is characterized in that, it is conical that described limiting section is, and the diameter of the xsect of described limiting section is greater than the aperture of described second pilot hole.
6. spring fatigue strength test device according to claim 1 is characterized in that, described first pilot hole is blind hole, and described backstay passes described second pilot hole and an end is contained in described first pilot hole.
7. spring fatigue strength test device according to claim 1 is characterized in that, is formed with handle part on the end face at the top of described backstay.
8. spring fatigue strength test device according to claim 1 is characterized in that, described screw rod is provided with the support portion away from the end face of an end of described first pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100657298A CN103207055A (en) | 2012-01-12 | 2012-01-12 | Spring fatigue strength test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100657298A CN103207055A (en) | 2012-01-12 | 2012-01-12 | Spring fatigue strength test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103207055A true CN103207055A (en) | 2013-07-17 |
Family
ID=48754349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100657298A Pending CN103207055A (en) | 2012-01-12 | 2012-01-12 | Spring fatigue strength test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103207055A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259817A (en) * | 2014-09-28 | 2015-01-07 | 成都市翻鑫家科技有限公司 | Quick leveling type assembling positioning clamp |
| CN104308497A (en) * | 2014-09-28 | 2015-01-28 | 成都市翻鑫家科技有限公司 | Fixture quickly levelled positioning press |
| CN104913905A (en) * | 2015-05-29 | 2015-09-16 | 成都亨通光通信有限公司 | Optical fiber bending loss determination method |
| CN104913906A (en) * | 2015-05-29 | 2015-09-16 | 成都亨通光通信有限公司 | Optical fiber bending loss determination system |
| CN104913907A (en) * | 2015-05-29 | 2015-09-16 | 成都亨通光通信有限公司 | Optical fiber bending disturbance device |
| CN105021459A (en) * | 2015-08-03 | 2015-11-04 | 江苏捷帝机器人股份有限公司 | Reset spring compression resistance detecting device for robot joints |
| CN109883964A (en) * | 2019-04-24 | 2019-06-14 | 宁夏金世纪包装印刷有限公司 | The anti-detection device of box or case mould |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2445318Y (en) * | 2000-08-09 | 2001-08-29 | 刘永平 | Spring fatigue-testing machine |
| JP2004340920A (en) * | 2003-04-24 | 2004-12-02 | Kobe Steel Ltd | Mechanical characteristic test apparatus |
| US6931941B2 (en) * | 2003-09-05 | 2005-08-23 | Nhk International Corp. | Method and apparatus for fatigue testing |
| CN2909238Y (en) * | 2006-04-30 | 2007-06-06 | 重庆渝安创新科技(集团)有限公司 | Special tooling for shock absorber spring valve durability test |
| CN201331422Y (en) * | 2009-01-22 | 2009-10-21 | 安徽蓝德集团股份有限公司 | Hydraulic spring fatigue-testing machine |
| CN101979992A (en) * | 2010-10-15 | 2011-02-23 | 安徽省芜湖仪器仪表研究所 | Spring fatigue test device |
-
2012
- 2012-01-12 CN CN2012100657298A patent/CN103207055A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2445318Y (en) * | 2000-08-09 | 2001-08-29 | 刘永平 | Spring fatigue-testing machine |
| JP2004340920A (en) * | 2003-04-24 | 2004-12-02 | Kobe Steel Ltd | Mechanical characteristic test apparatus |
| US6931941B2 (en) * | 2003-09-05 | 2005-08-23 | Nhk International Corp. | Method and apparatus for fatigue testing |
| CN2909238Y (en) * | 2006-04-30 | 2007-06-06 | 重庆渝安创新科技(集团)有限公司 | Special tooling for shock absorber spring valve durability test |
| CN201331422Y (en) * | 2009-01-22 | 2009-10-21 | 安徽蓝德集团股份有限公司 | Hydraulic spring fatigue-testing machine |
| CN101979992A (en) * | 2010-10-15 | 2011-02-23 | 安徽省芜湖仪器仪表研究所 | Spring fatigue test device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259817A (en) * | 2014-09-28 | 2015-01-07 | 成都市翻鑫家科技有限公司 | Quick leveling type assembling positioning clamp |
| CN104308497A (en) * | 2014-09-28 | 2015-01-28 | 成都市翻鑫家科技有限公司 | Fixture quickly levelled positioning press |
| CN104913905A (en) * | 2015-05-29 | 2015-09-16 | 成都亨通光通信有限公司 | Optical fiber bending loss determination method |
| CN104913906A (en) * | 2015-05-29 | 2015-09-16 | 成都亨通光通信有限公司 | Optical fiber bending loss determination system |
| CN104913907A (en) * | 2015-05-29 | 2015-09-16 | 成都亨通光通信有限公司 | Optical fiber bending disturbance device |
| CN105021459A (en) * | 2015-08-03 | 2015-11-04 | 江苏捷帝机器人股份有限公司 | Reset spring compression resistance detecting device for robot joints |
| CN105021459B (en) * | 2015-08-03 | 2018-01-19 | 江苏捷帝机器人股份有限公司 | A kind of mechanical person joint is with the incompressible detection means of back-moving spring |
| CN109883964A (en) * | 2019-04-24 | 2019-06-14 | 宁夏金世纪包装印刷有限公司 | The anti-detection device of box or case mould |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103207055A (en) | Spring fatigue strength test device | |
| CN203894104U (en) | Fixture device for geosynthetic material tensile test | |
| CN201036853Y (en) | Clamp capable of fixing thin type piece | |
| CN105115819A (en) | Fatigue test clamp | |
| CN201927951U (en) | Structure of fixing cable fastener | |
| CN102520215A (en) | Adjustable clamp for testing battery and mounting method thereof | |
| CN103273438A (en) | Optical fiber fixing clamp | |
| CN204202991U (en) | A kind of small punch test magnetic holding device | |
| CN208608653U (en) | A kind of industrial production cable fixture | |
| CN202640137U (en) | Fixture of cylindrical workpiece | |
| CN203197777U (en) | Motor base tool | |
| CN203204021U (en) | Clamp for testing internal resistance and voltage in battery pack | |
| CN103323196A (en) | Vibration tooling for square batteries | |
| CN202710405U (en) | Geosynthetics test clamp | |
| CN203772537U (en) | Spring fatigue tester | |
| CN204373988U (en) | Fiberglass pole shear strength test device | |
| CN204638239U (en) | Laboratory bench | |
| CN103115815A (en) | Jig for testing notch sensitivity of bolt | |
| CN203371413U (en) | Clamping workpiece mounting plate | |
| CN202939019U (en) | Spring stress test device | |
| CN207798579U (en) | Load up ageing test tool | |
| CN109163893A (en) | A kind of flange face fastener fatigue test frock | |
| CN201016993Y (en) | Pressure resistance testing jig | |
| CN104440675A (en) | Fixing clamp for ball type workpieces | |
| CN107014675B (en) | Tool equipment for testing mechanical properties of universal part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130717 |